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Self-locking device of sliding plate oil cylinder

A kind of self-locking device and self-locking technology, applied in the direction of fluid pressure actuating device, etc., can solve the problems of insufficient locking and troublesome oil cylinder locking, etc., and achieve the goal of avoiding movement, reliable locking, and simple, convenient and fast locking of oil cylinder Effect

Pending Publication Date: 2021-12-31
CSIC ZHONGNAN EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a self-locking device for a skateboard oil cylinder, which solves the problem of troublesome locking of the oil cylinder and insufficient locking

Method used

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  • Self-locking device of sliding plate oil cylinder
  • Self-locking device of sliding plate oil cylinder
  • Self-locking device of sliding plate oil cylinder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] like Figure 1~4 As shown, a self-locking device for a skateboard oil cylinder includes a cylinder barrel 1, a cylinder bottom 2, a piston rod 4, a piston 5 and a guide sleeve 6, and a drive oil cavity is formed between the cylinder barrel 1, the cylinder bottom 2 and the guide sleeve 6, One side of the drive oil chamber is provided with a self-locking oil chamber, and the self-locking oil chamber is provided with a self-locking piston 7 and a piston rod sleeve 8, and the self-locking piston 7 and the piston rod sleeve 8 slide on the piston rod 4, The self-locking piston 7 is fixed on one end of the piston rod sleeve 8, the other end of the piston rod sleeve 8 is fixed with a stop washer 10, and the end of the cylinder 1 is fixed with a stop ring 3;

[0026] The stop washer 10 is squeezed by the stop ring 3 during the oil drive sliding process so that the stop washer 10 locks and locks the piston rod 4 . With this structure, by filling the self-locking oil chamber with...

Embodiment 2

[0037] In conjunction with Example 1, such as Figure 1~4 As shown, the first oil inlet 12 and the second oil inlet 13 at both ends of the drive chamber of the oil cylinder can drive the piston 5 and the piston rod 4 to slide by injecting oil into the first oil inlet 12 or the second oil inlet 13 , when locking is required, oil is injected into the self-locking oil inlet 14, the oil-driven piston rod sleeve 8 slides with the self-locking piston 7, and the stop washer 10 at the end of the piston rod sleeve 8 is driven against the pressure ring 11 is squeezed and deformed, thereby locking and locking the piston rod 4. When unlocking is required, oil is injected into the unlocking oil inlet 15, and the oil-driven piston rod sleeve 8 slides with the self-locking piston 7, driving the piston rod sleeve 8 end The stop washer 10 at the top exits the pressure ring 11, thereby releasing the piston rod 4. The piston rod 4 of the oil cylinder is self-locked by the oil pressure and the s...

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PUM

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Abstract

The invention provides a self-locking device of a sliding plate oil cylinder. The self-locking device comprises a cylinder barrel, a cylinder bottom, a piston rod, a piston and a guide sleeve; a driving oil cavity is formed among the cylinder barrel, the cylinder bottom and the guide sleeve; a self-locking oil cavity is formed in one side of the driving oil cavity; a self-locking piston and a piston rod sleeve are arranged in the self-locking oil cavity; the self-locking piston and the piston rod sleeve are arranged on the piston rod in a sleeving manner to slide; the self-locking piston is fixed to one end of the piston rod sleeve; a stop gasket is fixedly arranged at the other end of the piston rod sleeve; and a stop ring is fixedly arranged at the end portion of the cylinder barrel. The self-locking oil cavity is formed in one side of the driving oil cavity, and therefore the self-locking piston and the piston rod sleeve in the self-locking oil cavity are driven by oil to slide, the stop gasket abuts against the interior of the stop ring to be extruded, deformed and locked on the piston rod, the piston rod is locked through oil pressure and the stop gasket, locking is firmer, the phenomenon that the piston rod moves under the action of increased external force is avoided, large external force can be borne, and oil cylinder locking is simple, convenient and fast.

Description

technical field [0001] The invention relates to the field of oil cylinders, in particular to a self-locking device for a slide plate oil cylinder. Background technique [0002] The oil cylinder is the hydraulic cylinder. The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. It has a simple structure and reliable operation. When it is used to realize reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap. , The movement is smooth, so it is widely used in various mechanical hydraulic systems. [0003] The current locking oil cylinder is completed by a hydraulic lock, but the size is large, and it is inconvenient to install when the installation space is limited; It is not firm, and the piston rod is displaced under a large external force. [0004] The Chinese patent "CN209800427U" relates to a cushionable, stroke-adjustable oil cylinder with a b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/26F15B15/14
CPCF15B15/262F15B15/149F15B2015/268
Inventor 朱传志
Owner CSIC ZHONGNAN EQUIP