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Arm rest auxiliary supporting device and pump car with device

A technology of auxiliary support and jib, which is applied in the processing of building materials, construction, building construction, etc., can solve the problems of low production efficiency and low welding quality at the assembly site, and achieve high production efficiency and good consistency

Active Publication Date: 2015-08-19
河北雷萨重型工程机械有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The final height of the auxiliary support of the boom is adjusted by welding on the assembly site, the production efficiency is low, and the welding quality on the assembly site is low

Method used

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  • Arm rest auxiliary supporting device and pump car with device
  • Arm rest auxiliary supporting device and pump car with device
  • Arm rest auxiliary supporting device and pump car with device

Examples

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Embodiment Construction

[0028] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below ...

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Abstract

The invention discloses an arm rest auxiliary supporting device and a pump car with the arm rest auxiliary supporting device. The arm rest auxiliary supporting device comprises an upper connecting frame, a rolling wheel, a bottom frame and a spring, wherein the rolling wheel is arranged on the upper connecting frame and is used for providing auxiliary supporting for an arm rest; the upper connecting frame is sleeved with the bottom frame, and the upper connecting frame can vertically slide relative to the bottom frame; and the spring is arranged between the upper connecting frame and the bottom frame and is used for providing elastic supporting force for the upper connecting frame. The arm rest auxiliary supporting device can adjust height by itself, and is in elastic contact with an arm rest assembly, and therefore the arm rest assembly can be effectively supported; the consistency of the arm rest auxiliary supporting device is good, and the phenomenon that a support is too high, and consequently, an arm rest deforms, or the support is too short, and consequently, a gap exists between the support and the arm rest is avoided. The final height of the arm rest auxiliary supporting device is adjusted without fit welding of an assembly field, and the production efficiency is high.

Description

technical field [0001] The invention relates to the technical field of construction machinery, in particular to an auxiliary supporting device for a boom and a pump truck with the same. Background technique [0002] The boom is one of the main components of construction machinery such as pump trucks. see figure 1 , in the stowed state, the jib assembly 200 is usually supported by the jib main support 400 and the jib auxiliary support 100 . The main support of the boom is installed on the chassis 300 of the pump truck, supports the main weight of the boom assembly 200, and provides left and right limits to prevent the boom from shaking left and right when the vehicle turns. The boom auxiliary support 100 is also installed on the bottom frame 300 of the pump truck for providing auxiliary support to the boom assembly 200 to prevent or reduce the deflection of the boom. [0003] see figure 2 , the boom auxiliary support in the prior art generally includes an upper bracket 1...

Claims

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Application Information

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IPC IPC(8): E04G21/04
Inventor 韩润录
Owner 河北雷萨重型工程机械有限责任公司
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