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Concrete pump truck and arm support thereof

A concrete pump truck and boom technology, which is applied in the processing of building materials, hoisting devices, construction, etc., can solve the problems of increasing the overall size of the pump truck, reducing the flexibility and operability of the boom, and increasing the cross-sectional size

Active Publication Date: 2013-08-28
ZOOMLION HEAVY IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to increase the conveying distance of concrete, we can only choose to increase the length of each boom section without increasing the number of boom sections. However, this method reduces the flexibility and operability of the boom on the one hand, and on the other hand , due to the increase in the length of the boom section, the cross-sectional size of the boom section has to be increased accordingly, which will still lead to an increase in the overall size of the pump truck to a certain extent, which is restricted by road driving conditions

Method used

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  • Concrete pump truck and arm support thereof
  • Concrete pump truck and arm support thereof
  • Concrete pump truck and arm support thereof

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Embodiment Construction

[0025] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0026] As shown in the figure, the concrete pump truck mainly includes a car chassis, a turntable and an arm frame. The arm frame is installed on the car chassis through a turntable 8 so that it can rotate around the turntable 8 as required, preferably 0-360 degrees.

[0027] The concrete pump truck provided by the present invention has seven boom sections articulated sequentially, starting from the first boom section 1 connected to the turntable 8, followed by the first to seventh boom sections 1-7. Compared with the jib with five jib sections in the prior art, the jib with seven jib sections can increase the conveying distance of concrete to a certain extent. ...

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Abstract

A boom of a concrete pump truck and a concrete pump truck having the boom. The boom has a folded state and an unfolded state, and comprises seven boom sections (1 to 7) hinged in sequence. When the boom is in the folded state, the seven boom sections (1 to 7) are basically arranged into five mutually staggered straight lines, and at least the last two boom sections (6, 7) are on the same straight line. Due to such configuration, the overall size of the boom sections can be greatly reduced, and the requirements of the road running condition can be easily met. In addition, when the boom is in the folded state, at least last two boom sections (6, 7) are on the same straight line; so that the flexibility and the operability of a boom fabric can be greatly improved.

Description

technical field [0001] The present invention relates to conveying equipment for concrete or other building materials, in particular to a boom of a concrete pump truck and a concrete pump truck including the boom. Background technique [0002] Concrete delivery pump truck (also referred to as "concrete pump truck" or "pump truck") is to install the concrete pump and folding boom on the chassis of the car, and lay concrete delivery pipelines along the boom, and finally output through the end hose Concrete conveying machinery. The folding boom has a folded state and an unfolded state. In the folded state, the boom is folded and put on the chassis so that the pump truck can drive on the road. In the unfolded state, the jib is extended to pour concrete from a distance. [0003] Knownly, the folding forms of the jib mainly include R-shape, Z-shape and RZ-shape. The R-shaped folding means that the multi-section boom section is folded in one direction, such as clockwise, and unf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/04
CPCE04G21/0445E04G21/0436B66C23/54E04G21/04
Inventor 吴斌兴黄柯周灵晶
Owner ZOOMLION HEAVY IND CO LTD
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