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Pneumatic-hydraulic composite hanging cylinder, hydraulic system and transport vehicle

A hydraulic system and suspension cylinder technology, applied in the field of transport vehicles, can solve the problems of high rigidity, poor shock absorption effect, AGV trolley stiffness and poor shock absorption effect, etc.

Inactive Publication Date: 2020-06-09
GUANGDONG BOZHILIN ROBOT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing hydraulic cylinders have high rigidity and poor shock absorption effect, resulting in poor stiffness and shock absorption effect of the AGV trolley, which cannot meet the transportation requirements

Method used

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  • Pneumatic-hydraulic composite hanging cylinder, hydraulic system and transport vehicle
  • Pneumatic-hydraulic composite hanging cylinder, hydraulic system and transport vehicle
  • Pneumatic-hydraulic composite hanging cylinder, hydraulic system and transport vehicle

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Embodiment Construction

[0024] In order to facilitate understanding of this embodiment, the following will describe this embodiment more fully with reference to related drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in this embodiment is only for the purpose of describing a specific implementation, and is not intended to limit the present invention.

[0026] see figure 1 , the present invention provides a gas-hydraulic composite suspension cylinder 100 , including a cylinde...

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Abstract

The invention provides a pneumatic-hydraulic composite hanging cylinder which comprises a cylinder block, a cylinder block piston and a piston rod, wherein the cylinder block piston is arranged in thecylinder block to form a first oil cavity and a rod cavity in the cylinder block; a one-way valve and a damper are arranged in the cylinder block piston side by side; the piston rod is fixedly connected with the side, far away from the first oil cavity, of the cylinder block piston and extends out of the rod cavity; a second oil cavity, a floating piston and a gas cavity are arranged in the piston rod; the floating piston is movably obstructed between the second oil cavity and the gas cavity; the damper allows the first oil cavity and the second oil cavity to communicate in two directions; and the one-way valve selectively allows the first oil cavity to communicate with the second oil cavity in one direction. According to the pneumatic-hydraulic composite hanging cylinder, pressure oil enters the second oil cavity from the first oil cavity through the damper and the one-way valve to realize the buffering role of the pneumatic-hydraulic composite hanging cylinder; and in addition, pressure oil also enters the second oil cavity from the second oil cavity through the damper, so that the damping role of the pneumatic-hydraulic composite hanging cylinder is realized. The invention further provides a hydraulic system and a transport vehicle.

Description

technical field [0001] The invention relates to the technical field of transport vehicles, in particular to a gas-hydraulic composite suspension cylinder, a hydraulic system and a transport vehicle. Background technique [0002] AGV (Automated Guided Vehicle) trolley refers to a transport vehicle equipped with automatic guidance devices such as electromagnetic or optical, capable of driving along a prescribed guiding path, with safety protection and various transfer functions, in industrial applications A truck that does not require a driver. Generally, the traveling route and behavior can be controlled by computer, or the traveling route can be established by using electromagnetic track. Other control mechanisms can be installed on the small side of the AGV for robot construction or transportation. [0003] The AGV trolley can rely on the hydraulic system to drive the hydraulic cylinder to support the AGV body. The hydraulic system controls the extension of the piston rod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/06F16F9/46F15B11/08F15B11/16F15B21/02B62D63/02B62D63/04
CPCF16F9/061F16F9/063F16F9/46F15B11/08F15B11/16F15B21/02B62D63/02B62D63/04
Inventor 李雷赵岳
Owner GUANGDONG BOZHILIN ROBOT CO LTD
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