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Vibration remover and circuit breaker

A technology of shock absorber and cylinder body, which is applied in the field of vibration reduction and vibration reduction equipment, to achieve the effects of improving efficiency, convenient and precise adjustment, and optimizing dynamic performance

Inactive Publication Date: 2016-04-06
陈鸽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These measures have greatly improved the dynamic performance of the opening and closing of the high and low voltage mechanical switches, but the damping force generated by the shock absorber is in the same direction as the closing and bouncing of the moving contact. The head produces a closing bounce

Method used

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  • Vibration remover and circuit breaker
  • Vibration remover and circuit breaker
  • Vibration remover and circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0047] A shock absorber of the present invention, such as figure 1 As shown, it includes a cylinder 1, a piston mechanism 2, a pressure relief device 3, a channel 4 and a regulating valve 6. The cylinder body 1 includes a first end cover 12, a cylinder barrel 11 and a second end cover 13, the first end cover 12 is sealed and fixed on the top end of the cylinder barrel 1, further, the first end cover 12 and the cylinder The barrel 1 is integrally formed; the second end cover 13 is fixed on the bottom end of the cylinder barrel 1 by bolts, and the second end cover 13 and the bottom end of the cylinder barrel 1 are sealed by the first sealing ring 15 . The piston mechanism 2 includes a piston 21 and a piston rod 22 . The piston 21 is arranged inside the cylinder 1 , and the side surface of the piston 21 and the inner surface of the cylinder 11 are sealed by a fourth sealing ring 25 , and the piston 21 can slide relative to the cylinder 11 along the axial direction. The piston 21 ...

Embodiment approach 2

[0059] The difference between Embodiment 2 and Embodiment 1 is only: figure 2 As shown, the channel 4 includes a first channel 41 , a second channel 42 and a third channel 43 . The first channel 41 is built in the first end cover 12 and is in sealing communication with the pressure relief chamber 35 of the pressure relief device, distributed along the radial direction of the first end cover 12; the second channel 42 is arranged outside the cylinder 1, Distributed along the axial direction of the cylinder 11; the third channel 43 is arranged in the cylinder wall of the cylinder 11 and is located on the side of the second end cover 13 and is in sealing communication with the second chamber, distributed along the radial direction of the cylinder 11 . The first channel 41 , the second channel 42 and the third channel 43 are sequentially connected in a sealed manner, and the regulating valve 6 is arranged on the second channel 42 and communicated with it in a sealed manner.

Embodiment approach 3

[0061] The difference between Embodiment 3 and Embodiment 1 is only: image 3 As shown, the pressure relief device 3 is assembled on the upper end of the cylinder wall of the cylinder 11 , that is, on the side of the first end cover 12 . The pressure relief chamber 35 of the pressure relief device 3 is arranged on the upper end of the cylinder wall of the cylinder 11, which is composed of a bottom wall and a side wall, and the top opening is opened at the outer end of the cylinder 11. Here, the pressure relief device 3 The axial direction determines the top and bottom of the spatial orientation of the pressure relief device 3, and the direction away from the shock absorber is the top. The end of the stem of the pressure relief valve core 31 is inside the valve seat hole 37 , that is, the end of the stem of the valve core does not protrude from the inner surface of the cylinder 11 . The built-in telescopic rod 313 of the pressure relief valve core 31 extends into the cylinder ...

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Abstract

The invention discloses a vibration remover and a circuit breaker. The vibration remover comprises a cylinder, a piston, a piston rod and a pressure relief device. One end of the piston rod penetrates a first end cover, stretches into the cylinder and is fixed with the piston in the cylinder. The cylinder is divided by the piston into a first chamber and a second chamber which are located on the side of the first end cover. The pressure relief device is assembled on the cylinder. A valve element rod of a pressure relief valve element arranged in the pressure relief device extends towards the first chamber. A telescopic rod is arranged in the pressure relief valve element. The pressure relief device is provided with an adjusting channel enabling the length of the stretching part of the telescopic rod to be conveniently adjusted. A limiting mechanism is arranged between the telescopic rod and the pressure relief valve element. The pressure relief device and the second chamber are communicated through a channel with an adjusting valve. The circuit breaker comprises a single-pole switch axially connected with the vibration remover. In the switch-on process, damping is relieved through the vibration remover at the stroke tail segment of a movable contact of the circuit breaker, the situation that damping force promotes switch-on bouncing of the movable contact is avoided, and switch-on time is shortened. The intensity of damping relieving is adjusted, the vibration remover and the circuit breaker synergistically act, and the switch-on performance is optimized.

Description

technical field [0001] The present invention relates to a shock absorber, in particular to a shock absorber that can be easily adjusted for the pressure relief trigger stroke and damping release strength at the end of the stroke, and a circuit breaker using the shock absorber. , belongs to the field of vibration damping equipment. Background technique [0002] At present, new and higher requirements are continuously put forward for the opening and closing performance of high-voltage and low-voltage mechanical switches, and the opening and closing time is required to be shorter without arcing. This will inevitably make the moving contact of the vacuum bubble, which is the core component of the high and low voltage mechanical switch, have a higher speed when opening and closing, and the moving contact will not bounce when closing, and will not discharge and arc. No rebound, no discharge arcing. When the switch is closed, the high-speed moving moving contact of the vacuum bub...

Claims

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Application Information

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IPC IPC(8): F16F9/48F16F9/49F16F9/34F16F9/00H01H71/50
CPCF16F9/48F16F9/00F16F9/34F16F9/49F16F2230/18H01H71/504
Inventor 陈鸽
Owner 陈鸽
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