Pat en loader

Pat nous montre ses wheelies



http://www.youtube.com/watch?v=PFiqizdsbLg&hl=en

The Track Loader - A Useful Machine

Probably the first sign of development in any country you will see is a marked increase in their infrastructure. One can see construction of roads and buildings and bridges which are on in full swing. Depending on the size of the project there are massive cranes and earth movers along with dozens of other high performance construction machinery. One of the most commonly used machines on any construction site is the Track Loader. This is primarily an earth moving machine although it can be used to move other construction materials like bricks and foundation stones. Let's look a little more closely at what a Track Loader is and how it works.

A track loader is an engineering vehicle whose chassis is attached to tracks. Unlike most passenger or commercial vehicles which have wheels under their chassis, a track loader has tracks which makes very similar to a military tank. The front end of this has a loader attached to it which performs the digging and loading functions. While this machine has been around for a long time now, there have been three significant evolutions in its design. With every evolution the track loader became a more useful and all-round construction machine with multipurpose capabilities. Of course the downside to this is that these machines can do a little bit of everything but don't have a particular specialty. The Track Loader in essence combines the functions of the standalone machines into one - bulldozer, excavator and wheel loader. This multitasking ability is the primary reason why it is commonly used on construction sites.

The Three Stages of Design:-

1. The design of the modern track loader started from the time when they were manufactured from track tractors with scratch built loading extensions. They were modeled along similar lines to the bulldozers of the time and thus were cable-operated. Like bulldozers, these machines were unable to dig into ground and were primarily used for moving material and loading vehicles.

2. Following this, the next major design change which was incorporated into these machines was the integration of hydraulic systems. The advantage of using hydraulics was that the overall power of the loader was increased. As a result of the increased power these loader could now apply downward pressure to the loading bucket which gave them the ability to dig the ground. At the time most of these track loaders would face a lot of wear on the undercarriage. The front idler wheels especially would get worn out faster than the other components as the design of the loader was based on the bulldozers where heavier components used to be placed on the front end of the track loader.

3. The next innovation in this machine was the hydrostatic drive system. With the introduction of advanced technologies like hydrostatic transmissions and electro-hydraulic controls, this workhorse of a machine suddenly turned into a sophisticated machine. In fact these were the machines of choice on most digs and construction sites till the introduction of advanced excavators. The excavators are quickly find favor with most construction companies due to economic factors as well as their versatility of function.

Fox Lake, Alberta : 3 Trucks + Front End Loader In Mud

Situation: Cliffy, for reasons unknown, decides to take his Subaru Outback on a trip through the Deep Lake Marsh. He does fine until he comes to a mudhole that he could have easily gone around but in the spirit of exploration decides to go right through it. (Thanks, Melissa, for egging him on) Thus begins an epic two day adventure. Cliff and party walk home and get me. I go out to attempt to get his Outback and get stuck. We walk the 15 kilometers or so back. The next day, Angus sets out to try to get us both out. He gets stuck. We get a Front End Loader from Public Works. It gets stuck. The adventure ends when a bulldozer crawls all the way out there to get all of our stupid asses and the front end loader. All in all, a fun two days.



http://www.youtube.com/watch?v=c1KBoQzQJ1Q&hl=en

Skid Steer Loader - The Right Piece of Equipment

We all have seen many mechanical machines and various types of vehicles at work at a construction worksite. The most common of the being a cement mixer, a bulldozer and a skid steer loader. The name may sound quite new to you but it is a very common vehicle used at the construction sites.
Skid Steer Loader is a probably the younger brother of a bulldozer. It is a small rigid frame machine with lots of power in its engine and is supported by its arm lifts for many purposes. There are two main types of the machine:

o Multi Terrain Skid Steer Loader
o Normal Skid Steer Loader

The difference between the two types is the part that makes them travel. In the normal skid steer loader; there are four wheels that make the motion of the vehicle possible. The main benefit of owning this tiny monster is that because it is 4-wheel drive car its maneuverability is great. 4-wheel drive meaning that left set of wheels are independent from the right set of wheels. Therefore, the difference in the speeds of rotations of these two set of wheels determines the direction in which the vehicle shall move. Now, talking about its greatest benefit, because of this 4-wheel drive facility the loader can turn 360 degrees at one spot; meaning that it can turn at zero radius. As discussed earlier if suppose the right set of wheels are kept in motion and left at stay, we can see that the left set of wheels act as the centre of the circle on which the right set of wheels turn. However, the utility of this skid steer loader is limited to roads and hard terrains.

Therefore, what if we want to move loads in place where there is lot of snow or the land is very sticky or sandy. The Multi Terrain piece of equipment is the answer. The only difference in this loader is that the wheels here are replaced by the tracks. Tracks are the kind of locomotive parts used in war tanks. They are capable of making the vehicle travel on almost all kinds of surfaces.

The arms of the construction equipment are replaceable by many other parts like:

o Backhoe
o Hydraulic Breaker
o Pallet Forks
o Angle Brooms
o Sweeper
o Auger
o Mover
o Snow Blower
o Stump Grinder
o Tree Spade
o Trencher and many more.

Thus, we can see that the skid steer loader is the perfect choice for any construction sites as it provides a variety of options at working and is also very compact and agile. Earlier there were complaints about the cabin that was open and often caused injuries to the drivers but the latest inventions are much safer and cabins are built with all the safety. The skid steer loader can perform all the activities that can b performed by the front arm lifter as well. It worth all the money you can spend!

The Designs of Track Loader

Track loader is a form of engineering vehicle which consists of tracked frame with loader in digging and loading objects. The legend of path loaders may be defined by means of the three evolutions of designs. All of these progressions made the loader more practical and versatile device in the excavation industry.

The initial track loader was built from path tractor with scrape built loader. The first loader was operated by cable same as the bulldozers of the period. The path loaders lacked the capacity to excavate in tough grounds and so were the dozers. They were used mostly in moving stockpiled objects and loading rail cars and trucks.

The primary main design changes to path loaders came by means of the integration of the hydraulic systems. Utilizing hydraulics in giving power to the loader links increased the strength of the loader. More significantly, loaders could be able to apply downward pressure into the container, increasing vastly their capacity in digging the untouched ground. Majority of the path loaders were based on bulldozer counterpart.

The second main innovation that affects the design of path loaders is the drive system which is hydrostatic. Track loaders became very complicated equipment, because they use hydrostatic conduction and electro-hydraulic wheels to increase effectiveness. Until the increase in fame of diggers, track loaders contain little rivalries in digging and loading works.

Track loader comes in plenty of sizes and shapes. In appearance, the path loader is basically same as skid steer loader by the use of tracks for linear motion, a few who have utilized track loaders said that the flexible track loaders can be tremendously useful for little earth-moving development and may be controlled easily than typical skid-steer device.

Instructions to follow in the use of track loaders:

1. Get on grade that is level. Stay far from ledges, promontories or cliffs. The loader can not fly, nor will hang and descend into the split-level. You must know where you are going to.
2. Do not off-balance yourself. The use of loader requires expertise. Throwing your container too high together with too much weight on it may have an effect to the machine.
3. Do not move forward on anything that may push back. If you move forward on them, they may snap back on the equipment and throw the loader out of balance.
4. Make sure no animals or children are present in the work place. It could be difficult to see what is around directly while you are working.
5. Make regular maintenance test to ensure that your path loader runs smoothly. Examine the brakes, hydraulics and fuel mechanisms

Caterpillar 953 Crawler Loader

Caterpillar 953 Crawler Loader EROPS Real Clean 1988



http://www.youtube.com/watch?v=8-nuzfSLTYw&hl=en