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What Is a Backhoe Thumb?

A backhoe thumb is a hydraulically-operated device used in conjunction with a bucket. It enables the backhoe operator to grip chunks of concrete, rocks and other objects while lifting and moving them out of the way. Called a backhoe thumb because of the way the apparatus closes against the bucket, much like a thumb on a hand, the backhoe is able to grip objects and move them around when equipped with the apparatus. During regular digging, the operator is able to hold the backhoe thumb open and positioned against the backhoe arm and out of the way. The thumb apparatus allows a backhoe to perform many jobs, which can reduce expenses for excavating companies by eliminating the need for another piece of equipment and operator to complete a project. Experienced backhoe operators have long been able to wedge certain objects between the back hoe's arm and its bucket or digging shovel so that it could be moved out of the digging path. The difficulty comes when the object is too large to come straight up and out of a hole. With the addition of a backhoe thumb to the equipment, the operator is able to not only grip a large object to move it, but the thumb allows the operator to grab, pull and wiggle the object to break it loose. This often eliminates wasted time while the backhoe operator waits for assistance to move an obstacle blocking the digging path. The typical hydraulic backhoe thumb uses a dedicated hydraulic cylinder to power the thumb open and closed. Attached to the bucket or boom with pins, the backhoe thumb has teeth that are designed to mesh with the teeth on the digging bucket to form a tight grip when closed. There are also non-hydraulic backhoe thumb designs that automatically open and close with the movement of the bucket. This non-hydraulic version is best used when moving large rock or debris piles as well as when loading building site trash into a garbage gondola or dump truck. Some versions of the backhoe thumb are unmovable and are locked into either an open or closed position. When open, the thumb works by remaining in place while the bucket is manipulated to trap objects between the bucket and thumb. To empty the load, the bucket is simply moved away from the thumb and the objects drop into the trailer, dumpster or pile. While not as versatile as the hydraulic backhoe thumb, the fixed position thumb is an economical option for fixed budgets.

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What Are Excavator Teeth?

Excavator teeth are attachments for excavators and other digging equipment to increase their ability to penetrate soil and rock. They mount to the leading edge of the tool and act as grippers when the operator maneuvers the tool into the soil to dig out foundations, ditches and other areas. This component of an excavator can wear down quickly, and replacement teeth are available from many manufacturers of earth movers, excavators and similar equipment. They are often generic in shape and design, allowing operators to use teeth from different manufacturers if necessary. Each excavator tooth is held in place with a pin-and-socket design. They are firmly fixed in place so that they do not wobble or bend while the excavator is in operation. Over time, the teeth tend to wear down, especially when they are used in hard, coarse materials. They also can become loose in the sockets and might start to shift in use. This might be a sign that the excavator teeth need to be replaced. For replacement, the operator can pull out the pin to remove the tooth from the socket and replace it with a new model. The head attachment for the socket is often standardized, so it is possible to install excavator teeth of a slightly different design if necessary or if desired. Some designs might have advantages and disadvantages for various kinds of material, and the technician might find it useful to be able to change them out. 

Used excavator teeth are available through suppliers of heavy equipment and accessories. They might have some wear, and in some cases, they are refurbished and repainted to resist rust before the company packages them for resale. Otherwise, new replacements are readily available. Technicians also can repair existing teeth, in some instances. It might be possible to resharpen bladed teeth, for instance, so that they will reacquire a cutting edge and be more useful in excavations. It is important to be careful around excavator teeth, as some models are sharp and may be dangerous. They should be well cleaned and oiled periodically to remove any rust and debris. Technicians may also check the excavator to make sure all the teeth are firmly attached, without any wiggling, as loose teeth could pose a problem during a dig. In addition to teeth, it is possible to replace other elements such as excavator buckets if they become too worn for use, or if the operator wants to use a different attachment for a particular project.

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What Is a Bucket Wheel Excavator?

A bucket wheel excavator is a piece of heavy machinery most commonly used for surface mining. This extremely large machine features a massive wheel outfitted with numerous buckets that scoop earth and dig into soil and other materials. These machines tend to be exceptionally large. A bucket wheel excavator usually features several tracks that propel it forward, as well as a tall conveyor belt that helps move waste materials. Many other components may be affixed to the excavator to make movement and transport of materials possible. The wheel of the bucket wheel excavator can feature up to 20 or more buckets. These scoops can hold a significant amount of material, which means the bucket wheel excavator is a good choice for moving very large amounts of material very quickly. The buckets will dump the material into a specially designed boom that is often outfitted with a conveyor belt system. The belt will transfer the material to a sorting station, and the materials can be spread or sorted accordingly at this point in the machine. One of the greatest advantages of the bucket wheel excavator is its ability to continuously move materials without stopping. The entire system is sometimes fully automated, which means human operation is not necessary; monitoring will still be necessary, of course, in case of an emergency, but the processes themselves can continue unabated without the need for human operation. The bucket can continue to spin and the materials can continue to be transported as long as the machine is powered. These machines have been in use since the early 20th century, though the scale on which the bucket wheel excavator can now operate has grown exponentially. Original machines were fairly small and did not move as much material as they are capable of doing in modern times. The size of the bucket and the amount of power supplied to the machine will affect how much material can be transported continuously. The largest excavator, Bagger 293, is among the largest terrestrial vehicles in the world, and it can move 8.510 million cubic feet (240,000 cubic meters) of material in a day's operation. It is over 315 feet (95 meters) tall, making it one of the tallest operational vehicles on earth; operating the machine requires several operators and constant observation.

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History of Lifting Equipment

Lifting equipment has been in use for many years, and it is difficult to see how much of our construction, energy and transport industries could operate without it. The ability to lift and move heavy objects is absolutely vital for all these industries, and many others. Even theatres rely on lifting equipment to put stage sets and lighting in place. While it can be seen as something that goes with modern, high tech industry, lifting equipment’s history is actually much longer than that.

The first cranes are thought to have been developed by ancient Egyptian, Greek and Roman builders. All of these cultures developed strong skills in construction – as evidenced by the buildings they created that still exist today. These early cranes would have used animal or man power to lift weight. Larger cranes would have a human-powered treadmill.

Fast-forward to the Medieval era, and technology in lifting equipment had not progressed, although cranes, hoists and other equipment were in limited use in warehouses and mills. As the industrial revolution progressed, technology improved. Whereas equipment had always been made largely of wood, stronger materials such as steel began to be used. There was also a move away from human powered devices, to those which harnessed new-found technologies and fuels. Steam powered cranes for example, were introduced, especially for work on railways. Progress was slow though: cranes powered by treadmill and hand winches continued to be used throughout the nineteenth century and beyond.

Today, technology has developed to cover an incredibly wide range of uses, and it takes many different forms. There is a piece of lifting equipment for pretty much any job, and a wide range of different kinds of equipment to meet varying needs. Among the most common pieces of lifting equipment available are:            Cranes. A wide array of cranes are available today, from the huge tower cranes seen on building sites, to small fixed cranes that are used in warehouses and factories. They have come a long way since the days of the Romans.            Forklift trucks. These are a vital piece of kit for any business which needs to move small quantities of stock around quickly and efficiently. Their job would have been done by donkeys and carts 200 years ago.            Winches and hoists. Both mechanisms for lifting an attached load by attaching it to a winding cable around a spoke. They first became widely used during the nineteenth century, especially in harbours.

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How Do I Choose the Best Small Excavator?

A small excavator may be the perfect answer to the digging and earthmoving needs around the home, farm, or even at a job site, but it is important to remember that the term "small" can refer to many sizes of excavator. The best way to begin choosing the best small excavator for you is to determine how you are most likely to use the machine; this means determining how deep you need to dig, how much earth you need to move, and where you will be operating the machine.

The length of the boom arm on the small excavator will generally dictate how deep you will be able to dig with the machine. Check with the dealer or manufacturer to find out the load limits and digging depth limits of a particular machine before you buy or rent. The size of the bucket will generally have the biggest impact on how much earth can be moved: larger buckets will move more earth, while smaller, narrower ones will move less earth. There are advantages to a smaller bucket, however: the small bucket will be able to dig in tighter areas, and it will be able to dig narrower trenches for piping or other items to be buried.

Some small excavator models are gasoline-powered, while others are diesel-powered. The best engine for you will depend on how regularly you will use the machine, for what purposes, and in what conditions. Lighter-duty applications may only call for a gasoline-powered engine, while heavy-duty applications and regular use may call for a diesel-powered small excavator. The size of the engine will also dictate how powerful the machine will be; ask a dealer or manufacturer for recommendations on the appropriate engine size and type for your purposes.

It helps to choose a small excavator with helpful accessories and features such as a quick-coupler and outriggers. A quick-coupler will allow you to switch the bucket out with other attachments quickly and easily. Outriggers will add stability to the excavator during use, particularly on uneven surfaces. These features will generally raise the cost of the small excavator, but the investment may be worth the purchase price, as these features will improve efficiency and reduce frustration.

The size and length of the excavator's tracks will have an impact on handling and stability. Research manufacturer specifications on the tracks to ensure the excavator you choose is suitable for the type of work you will be doing. Stability will be especially important on uneven surfaces and soft ground.

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Lifting Equipment Review: Cranes

Cranes are an essential piece of lifting equipment for the construction industry, used for moving heavy objects and materials. Specific types of cranes are needed for different jobs and there are a number that play a role in construction. They are the workhorses that help to take a project to completion in less time.

Mobile Cranes A standard type of crane attached to a mobile platform, on wheels or rail. The crane is raised and lowered using hydraulic cylinders or cables.

Telescopic Cranes There are several tubes fitted together, which are extended or retracted to change the height, or length of the boom.

Tower Cranes Tower cranes are often used to construct tall buildings. Also referred to as a balance crane, they maximise height and lift capacity when fixed to the ground. They can be seen on construction sites for skyscrapers or other tall structures.

Truck-Mounted Cranes Truck-mounted cranes offer more mobility and are, as the name suggests, mounted to the back of a truck, which can be moved to the desired location.

Loader Cranes As the name suggests, these cranes are used for loading equipment onto a trailer, using an articulated, which is fitted to the trailer.

Suspended Crane Also known as an overhead crane.

Floating Crane A floating crane is necessary for waterway construction like bridges, dams, or ports.

In cities, it is rare to go far without seeing tower cranes dotted across the skyline. They are the most common type of crane used in construction and a city always has building going on somewhere! Another place where you see an army of tower cranes is the up and coming holiday resorts like the Spanish Costas. At the peak of the construction boom, hundreds of tower cranes would fill the skyline of the coast.

The crane rental market has suffered with the dramatic decline in construction in countries most affected by the global economic crisis. However, developing countries like India are seeing an increase in demand and for the larger crane manufacturers, the demand continues. The larger construction projects require larger, specialized cranes that cannot be substituted.

Cranes are an important piece oflifting equipment that allow heavy loads to be moved or lifted further than would otherwise be possible. One of the largest cranes in the world that currently exists is 200 m tall. As architectural designs get bolder and engineering develops technology that is more advanced, larger cranes will be needed to take their place in the mega lifting equipment category.

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What to Look For in Construction Equipment

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What to Look For in Construction Equipment

A wide variety of types of lifting equipment are available, designed to meet either specific or general needs. A wide range of industries use lifting equipment – everything from mining to the theatre industry relies on it to move heavy items. Each kind of lifting equipment is designed to do a different kind of job. For people new to the area, trying to establish which kind of equipment is right for the job they need to do can be confusing. However, as the lifting equipment industry is specialist and highly regulated, anyone working in it should be able to provide expert advice if needed. As a starting point, these are some of the main types of lifting equipment and their uses:

Cranes

Cranes are one of the most commonly uses pieces of lifting equipment, and have been in use since Roman times. There are many different types of crane, from the huge cranes seen on large building sites, to small wall mounted cranes used in manufacturing and other settings. Cranes can either be mobile, or fixed. They have one of several different kinds of mechanisms for lifting items – normally either a pulley or a lever system.

Winches

A winch is a length of cable which is wound around a spool. One end is attached to the weight to be moved, and it is then cranked (by machine in industrial settings) to lift it. Winches are very versatile, and can be used to lift a wide variety of items. They are well-used in the theatre, where they are used to moves stage sets and lighting.

Hoists

A hoist is similar to a winch, but is used to lift things off the ground, whereas a winch can also be used to pull things. However, both can be used to do either, but they have different braking systems, so the kinds of weights they can lift or move are not the same. It is important not to use the wrong one for a job – doing so could be very dangerous.

Lifting vehicles

Lifting trucks and other vehicles are used to lift items and move them to another place. Forklift trucks are the most common type of lifting vehicle, used in warehouses, manufacturing, transport and other settings to move goods in and out. They generally use hydraulic cylinders to move their forks, and therefore their loads, up and down. They generally lift fairly small loads, as if they were too large they would be difficult for their drivers to manoeuvre effectively.

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Choose the Right Construction Equipment

Constructing a home or any other building can be a huge task, and it is definitely not an easy one. There are a lot of necessary things that you will need. One of the most important aspects of building is the construction equipment. The right construction equipment can really make a different in the quality of construction, and will give good results.

Construction is not something that you do on a daily basis, and if you are building a house, it is probably a once on a lifetime thing. Therefore, you have to be very careful about the kind of construction equipment you buy, and use for building your house. Choosing the right construction equipment requires knowledge and research, and there are many things you have to consider for that.

One of the things to keep in mind when choosing construction equipment is that you should use standard construction equipment. Using equipment of standard quality will ensure that all the equipment is of high quality manufacturing. The best way to ensure this is to talk to an expert who can guide you about the best brands regarding the equipment you need. You can do research on the Internet, or visit your nearest construction equipment center for more details.

It is always a good idea to start with the smaller equipment and buy in stages. Whenever you move on to the next stage on construction, you might realize that you need more construction equipment which you might not have thought about before. So it is better to go along as you build, so that there is minimum wastage. The last thing you want to do is invest in construction equipment that you realize later on you do not even need. Moreover, equipment takes a lot of space and maintenance, so it is a bad idea to buy everything at once.

One of the best things you can do to choose the right equipment is to hire an engineer. Even though you may know about the brands, it might not be possible for you to check the equipment, and see if it is worth the price you are paying. Also, you will need to test out the equipment to make sure that nothing is wrong and it works fine. For that purpose, the best thing for choosing the right building equipment is to hire an engineer and use him for this purpose. Engineers can also tell you about the real price and negotiate with the vendors.

Last but not least, choose a reliable and reputed dealer for buying building equipment. Many people try to save money and they buy from small vendors, but that can turn out to be a bad decision if the machines malfunction or the need to be fixed again and again. Therefore, always choose a retailer who is known for supplying the right construction equipment and always get a good warranty for any equipment you purchase for construction.

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Bulldozer – The Perfect Construction Buddy

The Bulldozer is one of the most essential types of heavy equipment that one must have in a construction company and even in a large scale excavation and demolition team. This equipment can easily carry debris full of broken wires, steel poles, and concrete. This large machine has two big wheels fitted for heavy use and which is used by the operator during the heavy work of a construction site. The bulldozer is a slow vehicle designed only for short transportation of huge soil, debris, and other building materials. It has lots of torque in its engine which makes it stronger despite of its speed.

A bulldozer can perform its job like a small platoon of soldiers. With this machine, you are guaranteed of having employed 20 men under your command. The major role of this machine is to complete the tasks in a certain construction site in an easier way. The bulldozer, like any other machine, needs some maintenance and proper care. Abusing your bulldozer might break it beyond repair. Even if the damage is repairable, the parts needed might be too expensive to buy or too old to find. In general, this heavy equipment has a long life span if it is not abused. Operators should know how much weight capacity the bulldozer can carry in order to avoid overexerting the engine and breaking the bucket. Misuse of the bulldozer does not only damage the heavy equipment, but it also endangers the people around it. It can also mess up with the ongoing operations. If it can do the work of 20 people, it can cause as much damage as 20 people can do. The after effects and the damages would range from small to very large. Moreover, it is already a guarantee that the money needed to mend and keep the project on track would be quite a lot. A regular check up before and after use can help the operator gauge the capabilities of the heavy equipment. The mechanic operator must check the state of the engine, the pressure in the tires and the response time of the levers with the bucket. If the bulldozer is an old model, it is much better to do a more thorough inspection. These old models are prone to rust and fuel blockage. Most of its grease has also dried out making the bulldozer creaky and prone to friction between joints. A yearly maintenance evaluation by a competent heavy equipment mechanic should be done in order to know what parts to change in order to lengthen the life span of the bulldozer. Now, you might think that using a bulldozer for your project might be too dangerous and a double edge gamble that might either make or break you. This has some truth in it; however, there are safety measures that should be followed in order to avoid these kinds of things from happening. The benefits of using a bulldozer outweigh its cons. It was designed for heavy work and it can really do awesome things. It just needs proper maintenance and safety measures in order to fully utilize its abilities.

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Conveyor Belts and Its Various Industrial Uses

Conveyor belts are generally wide belts attached to endless loops that can be used to move materials from one place to another. It is usually attached to turning rotors which are powered by electric motors. These wide belts are made of various layers of rubber. One layer of rubber gives shape to the belt whereas the other layer facilitates easy transportation.

Conveyor belts are commonly used in public transportation systems, ware houses, factories and grocery stores. It helps to convey products and raw materials from one place to another with the use of mounts in the belt or due to frictional force. In the earlier days, workers used to travel from one place to another to move raw materials and products. This resulted in loss of efficient time and additional stress. With the use of conveyor belts, raw materials and products are delivered to the required places Girls Air Jordan 5 Retro. These belts are designed for both light and heavy duty applications.

Different Uses of Conveyor Belts

There are many different uses of these rubber belts and some of the most important uses include the following.

Manufacturing industry: It is widely used in various manufacturing industries to transport materials into various processing units. It takes the manufactured products out of the processing units too. It is used in food processing plants to transport cooking products, seal the food products and finally pack the products. As these belts are used for all transportation purposes, it helps to save ample amount of time and effort. Workers can channelize their time and energy for other higher responsibilities.

Heavy industries: These rubber belts are also used in various heavy industries to move raw materials from one place to another. This helps to reduce worker injuries to a large extent. It can transport materials either in a straight line or through elevation and directional changes.

Ware houses: Conveyor belts are also used in ware houses to load outgoing trucks or to offload various heavy materials from the trucks.

Airports: Today most of the airports also use these rubber belts to deliver baggage to the customers.

Shopping malls: It also finds wide application in shopping malls as it is used in walkalator or moving walkways. Walkalator is also found in most of the airports to transport people from one place to another.

Bakeries and grocery shops: Slow moving conveyor belts are used in bakeries so as to move the food through an oven for cooking purposes. It is even used in grocery shops to move items to the counter.

Escalators: One of the most widely used forms of this rubber belt is the escalators. It is used in most of the departmental stores to move people from one floor to another.

There are various types of conveyor belts. Heavy duty belts are used to transport materials in a coal mine and light duty belts are used in food processing units and so forth. The rubber belts are designed in specific sizes for different uses. It is operated in various speed rates according to the specific uses.

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Bulldozer – The Perfect Construction Buddy

The Bulldozer is one of the most essential types of heavy equipment that one must have in a construction company and even in a large scale excavation and demolition team. This equipment can easily carry debris full of broken wires, steel poles, and concrete. This large machine has two big wheels fitted for heavy use and which is used by the operator during the heavy work of a construction site. The bulldozer is a slow vehicle designed only for short transportation of huge soil, debris, and other building materials. It has lots of torque in its engine which makes it stronger despite of its speed.

A bulldozer can perform its job like a small platoon of soldiers. With this machine, you are guaranteed of having employed 20 men under your command. The major role of this machine is to complete the tasks in a certain construction site in an easier way. The bulldozer, like any other machine, needs some maintenance and proper care. Abusing your bulldozer might break it beyond repair. Even if the damage is repairable, the parts needed might be too expensive to buy or too old to find. In general, this heavy equipment has a long life span if it is not abused. Operators should know how much weight capacity the bulldozer can carry in order to avoid overexerting the engine and breaking the bucket.

Misuse of the bulldozer does not only damage the heavy equipment, but it also endangers the people around it. It can also mess up with the ongoing operations. If it can do the work of 20 people, it can cause as much damage as 20 people can do. The after effects and the damages would range from small to very large. Moreover, it is already a guarantee that the money needed to mend and keep the project on track would be quite a lot.

A regular check up before and after use can help the operator gauge the capabilities of the heavy equipment. The mechanic operator must check the state of the engine, the pressure in the tires and the response time of the levers with the bucket. If the bulldozer is an old model, it is much better to do a more thorough inspection. These old models are prone to rust and fuel blockage. Most of its grease has also dried out making the bulldozer creaky and prone to friction between joints. A yearly maintenance evaluation by a competent heavy equipment mechanic should be done in order to know what parts to change in order to lengthen the life span of the bulldozer.

Now, you might think that using a bulldozer for your project might be too dangerous and a double edge gamble that might either make or break you. This has some truth in it; however, there are safety measures that should be followed in order to avoid these kinds of things from happening. The benefits of using a bulldozer outweigh its cons. It was designed for heavy work and it can really do awesome things. It just needs proper maintenance and safety measures in order to fully utilize its abilities.

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Bulldozers, Crawler Tractors And Their Advantages Over Wheeled Tractors

Bulldozers or “Crawler Tractors” first appeared in the 1930’s have proven themselves over the decades for earth moving, ground clearance and demolition, the most popular and well-known brand of machine is Caterpillar (CAT).

Bulldozers with their high-powered diesel engines are crawler type tractors. Bulldozers are for far more heavy-duty work than standard tractors typically using heavy-duty tracks instead of pneumatic tyres allowing them to spread their weight far more evenly over the surface, and allowing them to go places that rubber tyres would fail. Although they run slower than the average tractor they will be far more stable on uneven ground and due to the far greater surface area they are far less likely to sink into soft surfaces.

Bulldozer tracks allow these huge machines fantastic manoeuvrability and mean they can spin on their own axis. The bulldozer relies on its weight and strength to get the job done and are seen around the world re-shaping and clearing the ground.

Usually the bulldozer will have a front blade for moving and grading the soil and moving large objects. The front blade will be able to move up and down and tilt from side to side using its hydraulic pump. A ripper blade is sometimes fitted at the rear of the machine and using its hydraulic pump is forced into the ground to tear up any obstacles in the ground that were preventing the bulldozer from moving the earth.