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Gearbox gear shifting gas cylinder control system and using method

A technology of shifting cylinders and control systems, applied in transmission control, fluid pressure actuation devices, elements with teeth, etc., can solve problems such as piston dwelling

Inactive Publication Date: 2021-06-01
博雷顿科技股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing control system is difficult to make the piston stay in the middle position of the cylinder

Method used

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  • Gearbox gear shifting gas cylinder control system and using method

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Embodiment 1

[0028] Refer to attached figure 1 , a gearbox shift cylinder control system of the present embodiment, comprising a cylinder 100, a solenoid valve 1 200 and a solenoid valve 2 300 communicating with the two cavities of the cylinder 100 respectively, the solenoid valve 1 200 and solenoid valve 2 300 The air intake hole of the valve is connected in parallel with the working port of the electromagnetic valve three 400. The cylinder 100 includes a left cavity 120 and a right cavity 130 , and the working ports of the first solenoid valve 200 and the second solenoid valve 300 communicate with the left cavity 120 and the right cavity 130 respectively. The piston 110 of the cylinder 100 in this embodiment is a combined piston. When it is necessary to control position 1 of the cylinder, the control solenoid valve 1200 is turned on, the other solenoid valves are powered off, the cylinder is fed in, the combined piston 110 moves to the left, and after position 1 is generated, the contro...

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Abstract

The invention discloses a gearbox gear shifting gas cylinder control system. A left cavity and a right cavity of a gas cylinder communicate with a first electromagnetic valve and a second electromagnetic valve correspondingly, after being connected in parallel, gas inlet holes of the first electromagnetic valve and the second electromagnetic valve communicate with a working opening of a third electromagnetic valve, when the gas cylinder stops moving, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are powered on at the same time, gas in the left cavity and the right cavity of the gas cylinder is converged after passing through the first electromagnetic valve and the second electromagnetic valve, enters the third electromagnetic valve and is exhausted through an exhaust hole of the third electromagnetic valve, and a piston in the gas cylinder is controlled to be at the middle position. When the gas cylinder needs to be controlled to carry out gear shifting at the middle position, in the exhaust process of the gas cylinder, due to the fact that the two cavities of the gas cylinder exhaust gas through the third electromagnetic valve together after passing through the first electromagnetic valve and the second electromagnetic valve, no influence is generated on the synchronism difference of the first electromagnetic valve and the second electromagnetic valve in the exhaust process, and therefore the gas pressure of the left cavity and the right cavity of the gas cylinder is always kept consistent in the exhaust process of the gas cylinder until the gas pressure is close to atmospheric pressure, and it can be guaranteed that the piston of the gas cylinder is always at the middle position.

Description

technical field [0001] The invention belongs to the technical field of cylinder control, and specifically relates to a transmission shift cylinder control system and a use method. Background technique [0002] At present, in the operation of the gearbox, in order to reduce the size and make the structure compact, a special design is carried out on the operating cylinder of the gear shift, and 2 air inlets are used to control the shift lever in 3 positions, and the cylinder piston adopts a unique combination Type structure, when one of the inlets is inhaled and the other is exhausted, the piston moves to one side to generate a control position, on the contrary the piston moves in the opposite direction to generate a second control position, when the two inlets Simultaneous intake, equal or near equal pressure, the combined piston can be in the middle set position, resulting in a third position. Due to the synchronization problem of the solenoid valves controlling the two air...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/30F15B13/044
CPCF16H61/30F16H61/0003F15B2013/0448
Inventor 姜雷陈方明刘吉顺
Owner 博雷顿科技股份公司
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