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Multi-connecting-rod vehicle-mounted lifting platform

A multi-link and platform technology, applied in hoisting devices, safety devices of lifting equipment, cranes, etc., can solve problems such as limited application scope, and achieve the effects of easy manufacturing, reasonable design and convenient adjustment

Inactive Publication Date: 2021-12-07
HUAIYIN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This application combines multiple telescopic cylinders and multiple booms to form a retractable platform lifting frame, which can increase the lifting height to a certain extent, but is still limited by the length of the lifting arm and the body. limited

Method used

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  • Multi-connecting-rod vehicle-mounted lifting platform
  • Multi-connecting-rod vehicle-mounted lifting platform
  • Multi-connecting-rod vehicle-mounted lifting platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] The multi-link vehicle-mounted lifting platform of this embodiment includes:

[0064] Car body 1, which includes a headstock 10 and a loading platform 11 connected to the headstock 10;

[0065] The slewing unit 2 is arranged on the top surface of the loading platform 11 and performs slewing driving action;

[0066] Lifting unit 3, which includes a base 30, a primary lifting mechanism 31, a secondary lifting arm 32 and a working folding arm 33 that are sequentially connected by transmission;

[0067] The bottom of the base 30 is connected to the top of the rotary unit 2 by transmission;

[0068] Described primary lifting mechanism 31 comprises mechanism main arm 310, mechanism connecting arm one 311, mechanism connecting arm two 312, first hydraulic cylinder 313 and second hydraulic cylinder 314; The top of mechanism main arm 310 and secondary lifting arm 32 is hinged; one end of mechanism connecting arm one 311 is hinged with the middle part of mechanism main arm 310,...

Embodiment 2

[0076] The multi-link vehicle-mounted lifting platform of this embodiment is further improved on the basis of Embodiment 1. In the first-level lifting mechanism 31:

[0077] A protrusion 3100 is formed in the middle of the main arm 310 of the mechanism, and the protrusion 3100 is arranged toward the base 30 ;

[0078] Mechanism connecting arm one 311 is H-shaped, including two side arm plates 3110 arranged parallel to each other and a connecting arm plate 3111 placed between the two side arm plates 3110 to connect the two side arm plates 3110;

[0079] One end of the first hydraulic cylinder 313 is hinged to the raised portion 3100 , and the other end passes through the gap between the arm plates 3110 on both sides and protrudes upwards to be hinged to the secondary lifting arm 32 .

[0080] Such as Figure 4 As shown, the main arm 310 of the mechanism in this embodiment is T-shaped, and the whole structure is welded and spliced. It bears all the normal pressure and overturni...

Embodiment 3

[0082] The multi-link vehicle-mounted lifting platform of this embodiment is further improved on the basis of Embodiments 1 and 2, and the secondary lifting arm 32 includes:

[0083] Lifting the main arm 320, one end of which is hinged to the top of the mechanism main arm 310, and the first hydraulic cylinder 313 is hinged to the bottom of the middle part of the lifting main arm 320;

[0084] Lifting auxiliary arm 321, one end of which is hinged to the other end of lifting main arm 320, and the other end is hinged to one end of working folding arm 33;

[0085] The third hydraulic cylinder 322, one end of which is hinged to the top of the lifting main arm 320, and the other end is in transmission connection with the lifting auxiliary arm 321;

[0086] One end of the fourth hydraulic cylinder 324 is hinged to the bottom of the lifting auxiliary arm 321 , and the other end is hinged to the working folding arm 33 .

[0087] Such as figure 2 with image 3 As shown, the lifting ...

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Abstract

The invention discloses a multi-connecting-rod vehicle-mounted lifting platform, and belongs to the technical field of lifting equipment. The multi-connecting-rod vehicle-mounted lifting platform comprises a vehicle body, a rotary unit, a lifting unit and an operator carrying platform, wherein the vehicle body comprises a vehicle head and a loading platform connected with the vehicle head, the rotary unit is arranged on the top surface of the loading platform and used for executing a rotary driving action, the lifting unit comprises a base, a first-stage lifting mechanism, a second-stage lifting arm and a working folding arm which are in transmission connection in sequence, the bottom of the base is in transmission connection with the top of the rotary unit, and the operator carrying platform is in transmission connection with the working folding arm. According to the multi-connecting-rod vehicle-mounted lifting platform, the lifting unit is provided with the first-stage lifting mechanism; during a lifting action, angle variation is flexible, adjustment is convenient, and it can be guaranteed that the structural strength is reliable and stable; and the first-stage lifting mechanism can obtain a larger lifting height under driving of a second hydraulic cylinder, so that within a limited vehicle body length range, the final lifting upper limit height is larger by applying the first-stage lifting mechanism. The multi-connecting-rod vehicle-mounted lifting platform has the advantages of being simple in structure, reasonable in design and easy to manufacture.

Description

technical field [0001] The invention belongs to the technical field of lifting equipment, and more specifically relates to a multi-link vehicle-mounted lifting platform. Background technique [0002] With the development of urban scale and economic construction, the demand for aerial work vehicles is getting higher and higher. In places with dense buildings such as commercial streets and industrial and mining enterprises, large and medium-sized aerial work vehicles can no longer meet the actual combat requirements. The occurrence of fire accidents is diverse and on the rise. Therefore, the demand for small work vehicles with small size, fast response, flexibility and functionality is gradually increasing. [0003] In recent years, the upper limit of the height of buildings has been increasing, and higher requirements have been put forward for the upper limit of the lifting height of aerial work vehicles. Most of the existing aerial work vehicles use folding arm lifting mecha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F11/04B66F17/00B66F13/00B66C23/42B66C23/68B66C23/84
CPCB66F11/042B66F17/006B66F13/00B66C23/42B66C23/68B66C23/84
Inventor 刘畅刘磊董育伟曹传旭徐昌治陈尚吕鹏
Owner HUAIYIN INSTITUTE OF TECHNOLOGY
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