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Suspension arm bearing device, suspension arm bearing system and crane

A load-bearing system and load-carrying device technology, applied to cranes, mechanical equipment, etc., can solve problems such as vehicle rigid impact, affecting driving comfort, and damage to vehicle structural parts

Active Publication Date: 2014-08-06
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

figure 1 It shows a structural schematic diagram of a vehicle-mounted crane in the prior art, the vehicle-mounted crane includes a boom 1 and a car body 2, the boom 1 rotates through the telescopic movement of the luffing cylinder 3, and the boom 1 passes through Rigid boom support 4 supports, therefore, the boom 1 is easy to produce rigid impact on the vehicle during the running of the vehicle, causing damage to the structural parts of the vehicle and affecting driving comfort

Method used

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  • Suspension arm bearing device, suspension arm bearing system and crane
  • Suspension arm bearing device, suspension arm bearing system and crane
  • Suspension arm bearing device, suspension arm bearing system and crane

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Embodiment Construction

[0035] 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.

[0036] According to one aspect of the present invention, a boom bearing device is provided, wherein the boom bearing device includes a supporting hydraulic cylinder for supporting the boom and an accumulator hydraulically connected to the supporting hydraulic cylinder, wherein the accumulator is used for It is used to store energy when the boom compresses and supports the hydraulic cylinder, that is, it can convert the kinetic energy of the boom into the compression energy of the accumulator.

[0037] As mentioned above, the boom bearing device includes a support hydraulic cylinder for supporting the boom and an accumulator hydraulically connected to the support...

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Abstract

The invention discloses a suspension arm bearing device which comprises a supporting hydraulic cylinder used for supporting a suspension arm and an energy accumulator in hydraulic connection with the supporting hydraulic cylinder, wherein the energy accumulator is used for energy storage when the suspension arm compacts the supporting hydraulic cylinder. Moreover, the invention further discloses a suspension arm bearing system and a crane. The suspension arm bearing device can relieve rigid impacts produced by the suspension arm.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to a boom bearing device, a boom bearing system and a crane. Background technique [0002] In recent years, China's construction crane industry has achieved rapid development. As a multi-action hoisting machinery, cranes are developing toward intelligence and large-scale development. After digesting and absorbing foreign advanced technology and independent innovation, my country's crane industry has continuously optimized its product structure and significantly improved its social benefits. [0003] Among them, the boom is one of the important components of the crane. The cargo can be lifted to a certain height through the boom, and the purpose of variable amplitude can be achieved by changing the inclination angle of the boom, thereby increasing the working range. figure 1 It shows a structural schematic diagram of a vehicle-mounted crane in the prior art, the vehicle-mounted...

Claims

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Application Information

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IPC IPC(8): B66C23/88B66C23/82F15B1/02
Inventor 蒋浩中王启涛刘学俭颜红亮
Owner ZOOMLION HEAVY IND CO LTD
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