Construction vehicle and its outrigger device, outrigger assembly
A technology for engineering vehicles and feet, which is applied in the directions of lifting vehicle accessories, vehicle maintenance, transportation and packaging, etc., can solve the problems of difficult structural transformation of the feet and poor measurement accuracy, and achieve the effect of simple structure and high measurement accuracy.
Active Publication Date: 2016-09-14
ZOOMLION HEAVY IND CO LTD
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Problems solved by technology
[0006] The embodiment of the present invention provides an engineering vehicle and its outrigger device and outrigger assembly to solve the technical problems in the prior art that the measurement accuracy of the force on the outrigger of the engineering vehicle is poor, and it is difficult to modify the outrigger structure when the mechanical sensor is installed.
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[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. In particular, the following examples are only used to illustrate the present invention, but not to limit the scope of the present invention. Likewise, the following embodiments are only some but not all embodiments of the present invention, and all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0025] see figure 1 , figure 1 It is a partial structural schematic diagram of a preferred embodiment of the outrigger device of the present invention, the outrigger device includes: outrigger beam (not shown in the figure), outrigger assembly 1, outrigger cylinder 2 and connecting plate 3; wherein, outrigger assembly 1 passes The connecting plate 3 bears and measures the pressure of the leg on the leg cylinder 2, so that the pressure of the leg is...
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The invention provides an engineering vehicle and a landing leg device and a landing leg assembly of the engineering vehicle. The landing leg device of the engineering vehicle comprises a landing leg beam, the landing leg assembly and a landing leg oil cylinder. The landing leg assembly comprises a landing leg bottom plate and a pressure sensor arranged on the landing leg bottom plate. The landing leg oil cylinder comprises a cylinder body and a piston rod which are matched with each other. The upper end of the cylinder body is connected with the landing leg beam, the lower end of the piston rod abuts against the top of the pressure sensor and enables the landing leg pressure to be exerted on the pressure sensor, and the pressure sensor measures the landing leg pressure. The landing leg device of the engineering vehicle is simple in structure and high in measuring precision.
Description
technical field [0001] The invention relates to the technical field of engineering vehicle auxiliary support, in particular to an engineering vehicle and its outrigger device and outrigger assembly. Background technique [0002] Due to the large working load of engineering vehicles, most of them support the entire vehicle body through legs, and the wheels are out of contact with the ground. Such engineering vehicles include concrete pump trucks, fire ladders and cranes, etc. The safety performance of engineering vehicles during operation is increasingly being affected People are concerned that the European Union even regards the stability test of such engineering vehicles as the entry threshold for entering various EU countries. [0003] Engineering vehicles often have rollover accidents during operation due to the following reasons: 1. The weight of the vehicle cannot be supported due to problems such as weak foundation bearing capacity, foundation collapse, or encountering...
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IPC IPC(8): B60S9/10
Inventor 曾杨周润珈彭少锋颜剑
Owner ZOOMLION HEAVY IND CO LTD