Chassis box body structure for pump truck

Abstract

The invention relates to the technical field of pump trucks, in particular to an underframe box structure for a pump truck. The underframe box structure comprises an upper box, a lower box and a middle plate. The upper box body comprises a first sliding way and two second sliding ways, the two second sliding ways are connected to the two sides of the first sliding way respectively, the two ends of the first sliding way are open, and the ends, away from the first sliding way, of the second sliding ways are open. The lower box body comprises a third slide way and two fourth slide ways, the two fourth slide ways are connected to the two sides of the third slide way respectively, the two ends of the third slide way are open, and the ends, away from the third slide way, of the fourth slide ways are open; the upper box body and the lower box body are connected through the middle plate. According to the chassis box body structure for the pump truck, the phenomenon that the webs on the side faces of the upper box body and the lower box body are difficult to level is not prone to occurring, welding of the upper box body and the lower box body is convenient, flatness is easy to guarantee, sliding of the supporting legs is not affected, the whole middle plate is smoother, and the situation that the supporting legs cannot stretch out or retract back can be avoided.

Description

technical field [0001] The invention relates to the technical field of pump trucks, in particular to an underframe box structure used for pump trucks. Background technique [0002] Concrete pump trucks often use an "X"-shaped underframe box structure for telescopic outriggers. The underframe box structure in the prior art includes an upper box and a lower box. Both the upper box and the box are provided with slideways, and the upper box and the lower box are connected by an intermediate plate. In order to ensure that the outriggers can slide smoothly in the underframe box structure, this requires that the underframe box structure has small welding deformation after welding and high levelness and verticality accuracy. In the prior art, the web of the upper box and the web of the lower box of the chassis box structure are a whole plate, therefore, the upper box and the lower box are connected together. In order to meet the needs of welding and other processing, the middle bo...

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides an underframe box structure for a pump truck to solve the technical problems that the existing underframe box structure is difficult to level, inconvenient to weld, and the slideway is not conducive to the sliding of the legs

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