A dump truck lifting mechanism
A technology of lifting mechanism and dump truck, which is applied in the direction of tilting and carrying vehicles, etc., which can solve the problems that the enlargement mechanism takes up a lot of space, affects the driving stability and lifting stability of the dump truck, and the center of gravity of the dump truck is high, so as to achieve the goal of occupying space Small, improve driving stability and lifting stability, and lower the center of gravity of the dump truck
Inactive Publication Date: 2018-02-16
SINO TRUK JINAN POWER
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Problems solved by technology
However, the connecting rod combined dump truck also has defects. Because the amplifying mechanism takes up a lot of space, the center of gravity of the dump truck is relatively high, which affects the driving stability and lifting stability of the dump truck.
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0024] Such as Figure 1-Figure 2 As shown, the dump truck lifting mechanism includes two telescopic link devices, hydraulic cylinder 2 and beam 6, and the telescopic link device includes an upper triangular arm 1, a telescopic pull rod 3, a fixed-length pull rod 4, and a lower triangular arm 5. Among them, the upper triangular arm 1 is hinged to the compartment floor 7, the upper triangular arm 1 is hinged to the telescopic pull rod 3, the upper triangular arm 1 is hinged to the fixed-length pull rod 4; the lower triangular arm 5 is hinged to the sub-frame 8, and the lower triangular arm 5 is connected to the telescopic pull rod 3 is hinged, the lower triangular arm 5 is hinged with the fixed-length pull rod 4; the middle parts of the upper triangular arm 1 and the lower triangular arm 5 are all fixed connecting rods, and the two telescopic connecting ...
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The invention discloses a dump truck lifting mechanism, which comprises a telescopic link device, the telescopic link device includes an upper triangular arm and a lower triangular arm, and a telescopic pull rod and a fixed-length pull rod are hinged between the upper triangular arm and the lower triangular arm; The upper end of the tie rod is hinged with the upper end of the upper triangular arm, the lower end of the telescopic rod and the lower end of the fixed-length tie rod are jointly hinged at the upper end of the lower triangular arm; the upper end of the fixed-length tie rod is hinged with the lower end of the upper triangular arm; the middle part of the upper triangular arm is fixed The first connecting rod, the second connecting rod is fixed in the middle of the lower triangular arm, the telescopic connecting rod device is connected by the first connecting rod and the second connecting rod, and a hydraulic cylinder is hinged between the first connecting rod and the second connecting rod; The mechanism composed of the telescopic link device and the hydraulic cylinder can realize two lifts. The mechanism can achieve two lifting amplifications, use a shorter-stroke lifting cylinder to obtain large-angle lifting, and occupy less space, which can lower the center of gravity of the dump truck and improve its driving stability and lifting stability.
Description
technical field [0001] The invention belongs to the technical field of dump trucks, and in particular relates to a lifting mechanism of dump trucks. Background technique [0002] Dump trucks are classified according to the lifting type, generally divided into direct push type and connecting rod combination type. The connecting rod combination is composed of a lifting cylinder and a set of pull rods, triangle arms and other amplification mechanisms. The so-called amplification mechanism means that a short-stroke lifting cylinder can be used to obtain a large-angle lift through this mechanism. The connecting rod combined dump truck is more favored by users because of its cheap price and good lifting stability. However, there are also defects in the connecting rod combined dump truck. Because the amplifying mechanism takes up a large space, the center of gravity of the dump truck is relatively high, which affects the driving stability and lifting stability of the dump truck. ...
Claims
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IPC IPC(8): B60P1/16
Inventor 梁尔松李喜艳赵娜刘守科董彦来吴瑞宪
Owner SINO TRUK JINAN POWER