The tractor truck for sale is a general large truck or semi trailer that is drawn by tools between the head and the trunk. That is, the head of the truck can be separated from the original trunk and traction of other trailers, and the trunk can also be separated from the original head by other trucks.
The front of the driving ability of the truck is called the tractor, the car behind no traction driving ability is called the trailer, the trailer is towed by the tractor truck for sale.
There are two ways to connect the tractor truck for sale and trailer: the first is that the front half of the trailer is on the tractor saddle above the rear section of the tractor, and the bridge behind the tractor bears part of the weight of the trailer, which is semi-hanging; The second is that the front end of the trailer is connected to the rear end of the tractor trick for sale. The tractor only provides the forward pull to drag the trailer, but does not bear the downward weight of the trailer. This is full trailer.
Maintenance of single axle traction seat
1.Maintenance, to check the traction seat components, especially to check the traction pin, traction pin plate, half horizontal axis and other parts of the wear, and lubrication of these parts; Adjust the matching clearance between the lock hook and the traction pin by adjusting the screw and locking it through the nut after adjustment.
2.When removing the traction seat for inspection, pay attention to check whether the traction seat itself has cracks and serious wear. If there are cracks or serious wear, the traction truck for sale seat is deformed or too thin, it should be replaced with a new piece;
3.Check the lock hole, the traction pin can be used for matching detection, if the wear leads to a large gap, can be surfacing and processed to the required size to repair, can also replace the lock hook, lock block and wear ring repair;
4.Check the matching gap between the bearing and the body, if the matching is loose, replace the rubber elastic sleeve;
5.Check the locking mechanism, take off the hook and connect the hook should be smooth and flat, the safety device should be stable and reliable, if there is abnormal check the lock hook tension spring and number handle tension spring, check the insurance mechanism, such as spring elasticity should be replaced with a new piece.
In addition to completing the same project with the single-axles traction seat, the following points should be paid attention to:
1. Check the whole horizontal axles and vertical axles, if there is deformation and serious wear, should be surfacing welding processing to the required size, repair or replace the new parts, ensure that the traction seat can be flexible transverse and longitudinal swing, and the clearance should meet the standard.
2. Check the lateral swing Angle and its 2 side of the buffer device, such as the lateral swing Angle is too large, through the 2 side of the wedge block adjustment, buffer spring or rubber block aging is replaced with a new piece.