Telescopic supporting leg and application thereof
A technology of telescopic outriggers and outrigger boxes, which is used in vehicle maintenance, lifting vehicle accessories, transportation and packaging, etc. problems, to achieve the effect of easy to ensure machining accuracy, reduce wear, and the failure of telescopic outriggers, and the structure is simple
Inactive Publication Date: 2013-02-20
上海汽车改装厂有限公司
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- Abstract
- Description
- Claims
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Problems solved by technology
However, there are certain defects in the existing two-stage telescopic outrigger cylinder drive technology: the multi-stage telescopic cylinder has complex structure, difficult processing, high cost, and slow movement; Oil leakage and wear, inconvenient maintenance
Method used
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[0013] In order to make the present invention more comprehensible, preferred embodiments are described in detail below with accompanying drawings.
[0014] Such as figure 1 and figure 2 As shown, the telescopic outrigger structure provided in this implementation is mainly composed of the following parts: supporting leg 1, outrigger box 2, supporting outrigger telescopic oil cylinder 4, outrigger box telescopic oil cylinder 5, outrigger box lower roller structure-6 , Outrigger box lower roller structure two 7, outrigger box upper roller structure 8, outrigger box side roller structure 9. Wherein, in order to better explain the problem, the fuel tank case structure 3 is shown in the figure as a reference structure.
[0015] The partially enlarged schematic diagram of the telescopic outrigger is shown in image 3 .
[0016] The supporting leg 1, the outrigger box 2 and the fuel tank box structure 3 are nested inside and outside, wherein the supporting leg 1 is placed in the ...
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The invention relates to a telescopic supporting leg comprising a supporting leg box, a supporting leg, a first-stage supporting leg box telescopic oil cylinder, a first-stage supporting leg telescopic oil cylinder and a supporting leg box roller structure, wherein the supporting leg is embedded in the supporting leg box. The telescopic supporting leg is characterized in that the first-stage supporting leg box telescopic oil cylinder is arranged outside the supporting leg box, wherein one end of the first-stage supporting leg box telescopic oil cylinder is connected with a supporting leg box side plate support and the other end thereof is connected with a support arranged on an oil tank structure; the first-stage supporting leg telescopic oil cylinder is arranged inside the supporting leg, wherein one end of the first-stage supporting leg telescopic oil cylinder is connected with a support arranged on the supporting leg box and the other end thereof is connected with a support arranged on the supporting leg; and the supporting leg box roller structure comprises two lower supporting leg box roller structures, an upper supporting leg box roller structure and a side supporting leg box roller structure, wherein the two lower supporting leg box roller structures are arranged on the oil tank structure, the upper supporting leg box roller structure is arranged at the upper part of the supporting leg box, and the side supporting leg box roller structure is arranged on a supporting leg box side plate relative to the opposite side of the supporting leg box telescopic oil cylinder. Through the invention, the structure of the telescopic leg is simple, and abrasion among hydraulic pipelines and faults of the telescopic supporting leg are reduced; the telescopic action of the supporting leg is rapid so that the working efficiency is increased; and the supporting leg telescopic oil cylinder is low in price, and the telescopic supporting leg is convenient to mount and repair.
Description
technical field [0001] The invention relates to a telescopic outrigger for a concrete pump truck, and also relates to a concrete pump truck with the distribution boom support device. Background technique [0002] The concrete pump truck mainly completes the functions of concrete transportation and distribution operations. It has the characteristics of good pumping performance, large distribution range, independent walking ability, flexible maneuverability, high efficiency, labor saving, and low comprehensive cost. At present, concrete pump trucks have been widely used in projects such as water conservancy, hydropower, subways, bridges, buildings, sports facilities, etc., especially for some construction sites with narrow construction sites and obstacles, it is difficult to directly approach the construction project with other means of transportation. Pump trucks have more prominent advantages. [0003] Before entering the construction state, the concrete pump truck needs to...
Claims
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IPC IPC(8): B60S9/10
Inventor 李洪江
Owner 上海汽车改装厂有限公司
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