Piston rod brake device

A technology of a brake device and a piston rod, which is applied in the field of pneumatic and hydraulics, can solve the problems of affecting production efficiency and industrial structure, affecting the life of solenoid valves, and high replacement and maintenance costs, and achieves the effects of convenient interchange and replacement, simple structure and convenient maintenance.

Inactive Publication Date: 2015-01-28
WUXI YAZHONG PNEUMATIC HYDRAULIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the original brake technology is still used, it will affect the life of the solenoid valve, and a series of problems such as unreliability and high replacement and maintenance costs will never be solved, seriously affecting the improvement of production efficiency and industrial structure, and restricting production development.

Method used

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Embodiment Construction

[0015] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:

[0016] Such as Figure 1~3 As shown, the present invention mainly includes a cylinder 9 in which a plurality of locking blocks 5 are arranged, and the plurality of locking blocks 5 are evenly distributed along the circumferential direction of the cylinder 9 . Several brake pads 6 are arranged inside each locking block 5 .

[0017] An air bag 4 is provided between the inner wall of the cylinder 9 and the plurality of locking blocks 5 , and an inflation port 12 communicating with the air bag 4 is provided on the side wall of the cylinder 9 . When the airbag 4 is inflated through the inflation port 12, the airbag 4 expands and compresses the locking block 5 inwardly, thereby driving the brake pad 6 at the front end of the locking block 5 to hug the piston rod installed in the center. When the gas is released from the air bag 4 through the inflation port...

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PUM

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Abstract

The invention relates to a brake device which maintains extension and retraction positions of a piston rod, in particular to a piston rod brake device which is needed by sudden stop of a cylinder during the moving process of the cylinder, and uses a pneumatic element as a power source, can lock moving positions of an air cylinder, the piston rod of a hydraulic rod and other cylindrical guide pillars, and belongs to the pneumatic hydraulic technology field. The piston rod brake device comprises a cylinder barrel, wherein a plurality of locking blocks are arranged in the cylinder barrel, and a plurality of brake pads are arranged on the inner side of each locking block, an air sac is arranged on the inner wall of the cylinder barrel and each locking block, and inflation inlets communicated with the air sacs are formed in the side wall of the cylinder barrel. When the air sacs are inflated through the inflation inlets, the air sacs swell and compress the locking blocks towards the inner side of the cylinder barrel, and therefore the brake pads at the front ends of the locking blocks are driven to tightly hold the piston rod installed at the central position of the piston rod brake device. The piston rod brake device swells the air sacs by supplying air to the air sacs so as to push the locking blocks, provides stable clamping force, rapidly and reliably brakes the piston rod, and is large in brake force and reliable in reset ability.

Description

technical field [0001] The present invention relates to a brake device with piston rod telescopically holding the position, in particular, it is used for brake equipment when emergency stop is required during the movement of a cylinder. With pneumatic components as the power source, the cylinder, the piston rod of the hydraulic rod and the The other cylindrical guide column locks the moving position, and belongs to the technical field of pneumatic hydraulics. Background technique [0002] In the prior art, the cylinder piston rod braking device mainly consists of a cylinder and a three-position solenoid valve. Due to the compressibility of gas and the inertia of piston rod movement, especially for large cylinders, the inertia generated by the moving piston and piston rod is very large. If the original brake technology is still used, it will affect the life of the solenoid valve, and a series of problems such as unreliability and high replacement and maintenance costs have n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/14F15B15/26F16D121/04F16D127/06F16D129/02
Inventor 葛银松
Owner WUXI YAZHONG PNEUMATIC HYDRAULIC
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