undercarrige parts
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Structural performance characteristics of steel crawler undercarrige
Structural performance characteristics of steel crawler chassis 1. Support the weight of the host, with the function of moving forward, back and back. 2. Steel cracks use Japanese technology to produce construction machinery, load carrying capacity, large traction, low noise, non-injury, asphalt road, with good driving performance. 3. It is equipped with an internal low-speed large torque motor walking reducer with high pass performance. 4. Distance hierarchical, structural strength, high stiffness, and bending. 5. Heavy wheel, guide wheel adopts deep groove ball bearings, lubricated in one-time plus oil, is exempt from maintenance and maintenance. 6. The shaft end double sealing structure ensures that the lubricant seal is not leaking, and the mud water can be prevented from entering the cavity. 7. Heavy wheel, guide wheel, drive wheel tooth with alloy steel and treated with quenching, wear resistance, long service life. 8. Spring tensioning mechanism color screw adjustment, high reliability.
What are the parts of a crawler crane undercarriage called?|What are the parts of a crane called?
What are the parts of a crawler crane undercarriage called? What are the parts of a crane called? The main parts of the crawler crane chassis include crawler shoes, rollers, sprockets, idlers, and each part has its own function. The main function of the track shoe is to provide support, increase the grip, and adapt to various terrains and roads; The main function of the roller is to provide track support; The sprocket is responsible for transmission; The idler is responsible for adjusting the transmission direction;
The main functions of the idler
The main functions of the idler are to change the steering of the driven wheel, increase the transmission distance, and adjust the pressure angle. The idler gear is a part of the gear train that plays a transitional role and will not change the transmission relationship. It is to make the force of the gear train more reasonable or to meet the layout of the entire transmission system. The wheelbase can be extended by the idler gear. The number of teeth has no effect on the value of the transmission ratio, but it will affect the steering of the final wheel. The idler gear refers to a gear that transmits between two transmission gears that are not in contact with each other, and meshes with these two gears at the same time to change the rotation direction of the driven gear to make it the same as the driving gear. Just changing the steering doesn't change the gear ratio, it's called the idler.
The wear of the track shoe mainly has two parts: the raceway surface and the track pin hole. It is very simple to repair. After the raceway is worn, a groove sags, and when the depth does not exceed 2~3 mm, it can be directly repaired by surfacing welding. When the wear is deep, steel bars of different sizes can be filled in the grooves according to the specific conditions, and then welded from all sides. The pin hole should be restored to its original size and the center position of the original hole after grinding. To do this, cut the worn pin hole, insert a standard size pin, then heat it to about 800 ℃, and then roll up the edge of the ear. Add a semi-circular iron plate to the outside of the incision and weld it firmly with electric welding. The track shoes thus repaired can last for more than 100 shifts
What are the characteristics of track shoes?
Commonly used track shoes are classified according to the grounding shape, there are three types of single rib, three ribs and flat bottom, and some of them also use triangular track shoes. Single-reinforced track shoes are mainly used for bulldozers and tractors, because this type of machinery requires the track shoes to have a higher traction capacity when working. However, it is rarely used on excavators. This type of track shoe is only used when the excavator is equipped with a drill frame or requires a large horizontal thrust. A higher traction is required when turning from a child, so a higher crawler bar (ie, a crawler spur) will squeeze away the soil (or ground) between the crawler bars, thereby affecting the mobility of the excavator. Steel track shoes can be divided into: excavator plates and bulldozer plates. These two are the most commonly used, using section steel as the raw material. Then there is the wet floor used by bulldozers, commonly known as "triangular plates", which are cast plates. Another type of casting slab is used on crawler cranes. The weight of this slab can be as little as tens of kilograms, and as many as hundreds of kilograms.
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