Single-H-structure gearbox air path control mechanism

A gas circuit control and gearbox technology, applied in the field of gearboxes, can solve problems such as the inability to install gas circuit control valves, and achieve the effects of simple structure, error prevention, and improved stability

Pending Publication Date: 2018-04-20
SHAANXI FAST GEAR CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The air circuit control valve and the neutral light of the single H structure transmission with a follower lever are controlled by the follower lever, and the neutral and reverse gear indicator switches are arranged on the upper cover assembly; The air circuit control

Method used

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  • Single-H-structure gearbox air path control mechanism
  • Single-H-structure gearbox air path control mechanism
  • Single-H-structure gearbox air path control mechanism

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Embodiment Construction

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings, which are explanations rather than limitations of the present invention.

[0034] The present invention provides an air circuit control mechanism of a single H structure gearbox, including a housing 4, a control block 1, a horizontal shift lever 2, a shift dial 3, an air circuit control valve 5, a spring spacer 6, a A spring 7, a second spring 9 and a neutral indicator switch 8.

[0035] Among them, there are two symmetrical installation holes on the housing 4, and the gas circuit control valve 5 and the neutral indicator switch 8 are respectively installed in the two installation holes; the horizontal shift lever 2 is a stepped shaft, which is horizontally installed on the housing In the middle and can be rotated, the control block 1, the first spring 7, the spring spacer 6, the shift dial 3 and the second spring 9 are successively installed on the horizontal ...

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PUM

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Abstract

The invention discloses an air circuit control mechanism of a gearbox with a single H structure, which includes a housing, a horizontal shift lever, a control block, a shift dial, an air circuit control valve and a reset mechanism for resetting the shift dial; , the horizontal shift rod is horizontally arranged in the housing and can rotate, and the control block, reset mechanism and shift pad are installed on the horizontal shift rod, and the shift pad and the horizontal shift rod rotate synchronously and can be rotated in the horizontal shift rod. The upper side slides horizontally; the control block rotates synchronously with the horizontal shift lever, the control block is provided with a first groove, the air circuit control valve is arranged on the housing, and the ejector rod of the air circuit control valve passes through the housing to contact the control block; When the ejector pin of the air path control valve is located in the first groove, the air path control valve is opened; when the ejector pin of the air path control valve is located outside the first groove, the air path control valve is closed. The mechanism is simple in structure, strong in versatility, easy to assemble and maintain, applicable to single H-operated main and auxiliary transmissions, and has high use and popularization value.

Description

technical field [0001] The invention relates to the field of gearboxes, in particular to an air circuit control mechanism of a gearbox with a single H structure. Background technique [0002] The transmission of the main and auxiliary box structure, the high and low gear switching of the auxiliary box synchronizer is an air-controlled operation. In order to protect the auxiliary box synchronizer, the switching of the auxiliary box must be carried out when the main box is in neutral, so the air circuit of the auxiliary box needs to be shifted. Shift head or main box shift fork shaft control. The gas circuit control valve of the single H-structure transmission with a follower lever is controlled by the interaction between the follower lever and the shift fork shaft of the main box. The follower lever contacts multiple fork shafts at the same time. When the main box is in neutral, The follower lever does not move, and the air circuit of the auxiliary box is opened. When the ma...

Claims

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Application Information

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IPC IPC(8): F16H61/00F16H61/02F16H63/42
CPCF16H61/0009F16H61/0267F16H63/42F16H2063/423Y02E10/72
Inventor 李玲丽章刚刘义张海涛
Owner SHAANXI FAST GEAR CO
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