Transmission main box and auxiliary box interlocking mechanism

A technology of interlocking mechanism and transmission, which is applied in mechanical equipment, components with teeth, belts/chains/gears, etc. It can solve the problems of failure of the main and auxiliary box locking mechanism and low reliability of the air circuit, and achieve locking Reliable, simple construction, time-saving effect

Pending Publication Date: 2019-06-14
SHAANXI FAST GEAR CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the existing air-operated main and auxiliary box locking mechanism is controlled through the air circuit, but the reliability of the air circuit is not high, and frequent failures lead to the failure of the main and auxiliary box locking mechanism.

Method used

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  • Transmission main box and auxiliary box interlocking mechanism
  • Transmission main box and auxiliary box interlocking mechanism
  • Transmission main box and auxiliary box interlocking mechanism

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0032] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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PUM

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Abstract

The invention discloses a transmission main box and auxiliary box interlocking mechanism. The mechanism comprises a range gear shifting fork linkage shaft, a sliding column pin, a sliding column pin support, a return spring and an interlocking piece; the range gear shifting fork linkage shaft is located in a shell of a transmission, one end is fixedly connected to a range gear shifting fork, and the other end of is provided with two sliding column pin grooves; the sliding column pin support is fixedly connected to a transmission upper cover and provided with a sliding column pin mounting holeand an interlocking piece mounting hole; the sliding column pin is positioned inside the sliding column pin mounting hole, one end is connected to the return spring, the other end is connected to therange gear shifting fork linkage shaft, and the other end of the return spring is connected to the transmission upper cover; an interlocking piece groove is formed in the sliding column pin; and one end, located in the interlocking piece mounting hole, of the interlocking piece is connected to the sliding column pin, and the other end of the interlocking piece is connected to a transmission main box interlocking mechanism. It is ensured that the main box can not shift the gear when the rear auxiliary box does not shift the gear in place; an auxiliary box synchronizer cannot switch the high-lowgear when the main box is in a gear shifting state; and thus the rear auxiliary box synchronizer is effectively protected, and the service life of the transmission is prolonged.

Description

technical field [0001] The invention belongs to the field of transmissions and relates to an interlocking mechanism for main and auxiliary cases of a transmission. Background technique [0002] The auxiliary box synchronizer is a relatively easy to damage part in the gearbox assembly, and the damage will be more serious in the case of irregular operation. At the same time, the failure of the transmission sub-box synchronizer is a relatively common failure form of the heavy-duty vehicle transmission. [0003] Improper operation of the rear auxiliary box of the transmission may easily lead to abnormal damage to the synchronizer of the auxiliary box. Common irregular operations include: the synchronizer of the auxiliary box is not switched in place (the high and low gears are not in place), and the main box starts to shift gears, causing the synchronization inertia to rise sharply High, resulting in damage to the synchronizer teeth; the main box is in the gear state, and the a...

Claims

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Application Information

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IPC IPC(8): F16H63/36F16H61/30
Inventor 平永灵
Owner SHAANXI FAST GEAR CO
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