Arm frame device and engineering machine

A technology of construction machinery and booms, which is applied in the field of boom devices, can solve problems such as the small 6' rotation angle of the sixth section boom, affect the performance matching of the whole vehicle, and increase costs, so as to avoid performance matching problems and high cost problems , Improving the flexibility of the fabric and increasing the overall length

Active Publication Date: 2012-02-22
SANY AUTOMOBILE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, increasing the number of axles of the concrete pump truck will affect the performance matching of the whole vehicle, and will lead to a sharp increase in the cost of the whole vehicle, which is not conducive to cost saving
[0008] In addition, in this folding method, the foldi

Method used

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  • Arm frame device and engineering machine
  • Arm frame device and engineering machine
  • Arm frame device and engineering machine

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Experimental program
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Embodiment Construction

[0039] The object of the present invention is to provide a jib device, the jib device is intended to have a compact structure and a high utilization rate of vertical space. Furthermore, another object of the present invention is to provide a construction machine including a boom device.

[0040] Without loss of generality, this article takes the application of the boom device on a concrete pump truck as an example to introduce the technical solution of the present invention. Those skilled in the art should understand that the application of the present invention to other construction machinery is not excluded.

[0041] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] Please see Figure 3 to Figure 5 , image 3 It is a structural schematic diagram of a specific embodim...

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PUM

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Abstract

The invention provides an arm frame device which comprises at least four joints of arm frames, wherein all the arm frames are sequentially articulated, the first three joints of the arm frames are folded into the shape of R, the third joint of the arm frame (3) is a bending arm frame, when the arm frame device is in a folded state, the fourth joint of the arm frame (4) is folded below the third joint of the arm frame (3). The arm frame device according to the invention is compact in structure, the utilization rate of the space in the vertical direction of the arm frames is improved, the spaceis provided for arranging the multiple joints of the arm frames, and more joints of the arm frames can be folded in the same folding space, thereby increasing the total length of the arm frame deviceand improving the flexibility in material distribution of the arm frames. In addition, the invention further discloses an engineering machine with the arm frame device.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to an arm support device. The present invention also relates to a construction machine with the above-mentioned boom device. Background technique [0002] Concrete pump truck is a typical construction machinery, which can transport concrete along the pipeline to the required location of the construction project. During the working process, the concrete pump truck needs to transport the concrete to the designated position through the delivery pipe fixed on the boom device, and as the delivery position changes, the boom device needs to drive the delivery pipe to realize unfolding, folding and rotation. The boom device of the concrete pump truck generally includes a multi-section boom, and each section of the boom can be folded. [0003] At present, the folding methods used for the booms of concrete pump trucks mainly include R-type, Z-type and RZ-type overall folding m...

Claims

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Application Information

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IPC IPC(8): E04G21/04
Inventor 谢世惠张竟徐大鹏
Owner SANY AUTOMOBILE MFG CO LTD
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