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Oil cylinder locking device and oil cylinder

A technology of locking device and oil cylinder, applied in the direction of fluid pressure actuating device, mechanical equipment, etc., can solve the problem of poor reliability of oil cylinder, and achieve the effect of improving reliability and reducing possibility

Active Publication Date: 2021-04-06
SANY MARINE HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the first aspect of the application provides a cylinder locking device, which solves the problem of poor reliability when the cylinder is locked in the background technology

Method used

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  • Oil cylinder locking device and oil cylinder
  • Oil cylinder locking device and oil cylinder
  • Oil cylinder locking device and oil cylinder

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some, not all, embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0027] figure 1 Shown is a schematic diagram of the external structure of the oil cylinder locking device provided by an embodiment of the present application applied to the oil cylinder. figure 2 shown as figure 1 The illustrated embodiment provides a sectional view of the oil cylinder locking device applied to the oil cylinder. Such as figure 1 with figure 2 As shown, the oil cylinder locking device includes: a fixing part 100, which is configured to be relatively fixedly arranged with the cylind...

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Abstract

The invention provides an oil cylinder locking device which comprises a fixing part, a locking assembly and a locking driving mechanism. The fixing part is configured to be arranged in a relatively-fixed mode with a cylinder barrel of the oil cylinder, the locking assembly is detachably and fixedly connected with the fixing part, and the locking driving mechanism is in transmission connection with the locking assembly, is constructed to be fixedly mounted on a piston rod of the oil cylinder, and drives the locking assembly to be fixed to the fixing part in the stretching and retracting process of the oil cylinder. Therefore, when the position of the piston rod needs to be locked, the locking assembly and the fixing part are fixed, and the piston rod and the cylinder barrel are correspondingly fixed. Even if a cylinder control valve for controlling the oil cylinder leaks inwards or a valve core fails, the piston rod does not extend out of or retract into the cylinder barrel, so that the locking reliability of the oil cylinder is remarkably improved, and the possibility of safety accidents is reduced.

Description

technical field [0001] The present application relates to the technical field of locking of processing oil cylinders, in particular to an oil cylinder locking device and an oil cylinder. Background technique [0002] At present, the existing locking device of the hydraulic cylinder is locked by the cylinder control valve block of the hydraulic cylinder. This locking device includes a valve core and a valve body, and the hydraulic cylinder is extended and retracted by sliding the valve core on the valve body. , When the lock does not move, the spring in the control valve is reset, and the spool of the hydraulic lock or balance valve locks the pressure oil inside the hydraulic cylinder to lock the position. [0003] Generally speaking, there are two disadvantages in such locking devices: 1. Since the valve element itself is allowed to leak, the valve core is pushed by the compression of the spring. When the valve core reciprocates in the valve body, the valve core produces a c...

Claims

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Application Information

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IPC IPC(8): F15B15/26
CPCF15B15/262F15B2215/30
Inventor 朱林谭震卓圣翔
Owner SANY MARINE HEAVY IND
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