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Three-freedom-degree lifting device directly driven by hydraulic pumps

A lifting device and hydraulic pump technology, applied in the direction of lifting devices, lifting frames, mechanical equipment, etc., can solve the problems of not easy to carry, large structure, etc., and achieve the effect of convenient carrying and use, small size and light weight

Active Publication Date: 2016-02-03
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing lifting devices are usually used in the field of construction engineering, the structure is huge and not easy to carry, and usually can only achieve vertical lifting movement, with only one degree of freedom

Method used

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  • Three-freedom-degree lifting device directly driven by hydraulic pumps
  • Three-freedom-degree lifting device directly driven by hydraulic pumps
  • Three-freedom-degree lifting device directly driven by hydraulic pumps

Examples

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0026] as attached figure 1 And attached figure 2 As shown, the hydraulic pump direct drive type three-degree-of-freedom lifting device of the present invention includes an accumulator 7, a diverter valve block 21 and three groups of hydraulically driven scissor lifting mechanisms with the same structure; the upper ends of the three groups of lifting mechanisms are connected by ball joints 13 The top plate 14 is connected, and the lower end is connected with the upper surface of the bottom plate 18 through the guide rail 12; the lower end of the bottom plate 18 is connected with three rollers 20; one of the roller shafts is equipped with a roller motor 19; the accumulator 7 is fixed on the diverter valve block 21, and the diverter valve block 21 is connected with three groups of hydraulic s...

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Abstract

The invention discloses a three-freedom-degree lifting device directly driven by hydraulic pumps and belongs to the field of fluid pressure control mechanisms. The three-freedom-degree lifting device comprises a top board, a bottom board and a flow division valve block fixed to the center of the bottom board. An energy accumulator is arranged on the flow division valve block. Three lifting mechanisms of the same structure surround the energy accumulator. The upper ends of the three lifting mechanisms are connected with the top board and the lower ends of the three lifting mechanisms are connected with the bottom board. The flow division valve block is connected with the hydraulic pumps of three hydraulic drive systems which are of the same structure and independent of one another through pipelines. The hydraulic pump of each hydraulic drive system controls the corresponding lifting mechanism and serves as an independent oil source of the corresponding lifting mechanism. The three-freedom-degree lifting device is suitable for being used as an auxiliary tool for heavy object lifting and carrying, vehicle overhauling and other work and meanwhile the device can be carried for emergency occasions of field vehicle fault maintenance or dragging and the like.

Description

technical field [0001] The invention belongs to the field of fluid pressure control mechanisms, and in particular relates to a three-degree-of-freedom lifting device directly driven by a hydraulic pump. Background technique [0002] Whether in the workplace or at home, people will inevitably encounter occasions where heavy objects such as furniture and equipment need to be moved. Even in outdoor activities, the lifting and moving of large items often bring a lot of trouble to people, such as vehicle maintenance and lifting. In similar daily applications, if the manpower burden can be effectively reduced with the help of appropriate power tools, it will bring great convenience to people's lives. In order to meet such needs, lifting and moving devices must have small size, simple structure, easy portability and flexible operation. At the same time, due to the need to save manpower to a great extent, power equipment is essential, and under the condition of both mobility and p...

Claims

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Application Information

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IPC IPC(8): B66F7/08B66F7/28F15B1/02
Inventor 施虎李小虎梅雪松
Owner XI AN JIAOTONG UNIV
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