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A locking mechanism for transmission

A technology of locking mechanism and transmission device, applied in the direction of transmission device control, mechanical equipment, components with teeth, etc., can solve the problems of inaccurate locking position, insufficient fast locking, unstable locking, etc., and achieve the goal of locking Increased tightening speed, fast locking and high stability

Active Publication Date: 2015-09-09
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems that the existing transmission device uses friction and pressure to lock, the locking is not fast enough, the locking position is inaccurate and the locking is unstable, and to provide a locking device for the transmission device. mechanism

Method used

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  • A locking mechanism for transmission
  • A locking mechanism for transmission

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specific Embodiment approach 1

[0010] Specific implementation mode one: combine figure 1 with figure 2 Describe this embodiment. In this embodiment, the locking mechanism of the transmission device includes a transmission shaft 1, an inverted U-shaped steel 2, a pull rod 3, an upper fixing plate 4, a spring 5, and two inverted L-shaped guide plates 6. The inverted U-shaped steel 2 Each side wall is provided with a through hole 2-1 and a groove 2-2 from the bottom end to the open end, one end of the pull rod 3 is set in the U-shaped groove of the inverted U-shaped steel 2, and the other end of the pull rod 3 passes through The bottom plate of the inverted U-shaped steel 2, the spring 5 and the upper fixing plate 4 are exposed outside the upper fixing plate 4, the middle part of the transmission shaft 1 is a hexagonal locking section 1-1, the transmission shaft 1 is horizontally arranged, and the hexagonal lock The tight section 1-1 is located in the U-shaped groove, the length s of the hexagonal locking se...

specific Embodiment approach 2

[0011] Specific implementation mode two: combination figure 1 To describe this embodiment, the cross section of the hexagonal locking section 1-1 in this embodiment is a regular hexagon. This design can improve the stability of the hexagonal locking section 1-1 when it contacts the inner wall of the inverted U-shaped steel 2. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0012] Specific implementation mode three: combination figure 1 This embodiment is described. In this embodiment, the length c of each side of the regular hexagon of the hexagonal locking section 1-1 is smaller than the distance from the lower edge of the through hole 2-1 to the upper edge of the groove 2-2. This design makes the contact area between the hexagonal locking section 1-1 of the transmission shaft 1 and the side wall of the inverted U-shaped steel 2 large and stable. Other components and connections are the same as those in the second embodiment.

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Abstract

The invention discloses a locking mechanism for a transmission device, and relates to locking mechanisms. The locking mechanism for the transmission device solves the problems that an existing transmission device uses friction and pressure for locking, so that locking is not rapid, and the locking position is not accurate or stable. Through holes and grooves are formed in each side wall of inverted-U-shaped steel from the bottom end to the opening end. One end of a pull rod is arranged in a U-shaped groove of the inverted-U-shaped steel, and the other end of the pull rod penetrates through a bottom plate of the inverted-U-shaped steel, a spring and an upper fixing plate to be exposed out of the upper fixing plate. A hexagon locking section is arranged in the middle of a transmission shaft, the transmission shaft is horizontally arranged, and the hexagon locking section is placed in the U-shaped groove. The length s of the hexagon locking section is smaller than the width b of the through holes, and the circumscribed circle diameter of the hexagon locking section is smaller than the length a of the through holes. Two inverted-L-shaped guide plates are symmetrically arranged on the two sides of the inverted-U-shaped steel, the long edge plate of the inverted-L-shaped guide plates makes contact with the side wall of the inverted-U-shaped steel adjacent to the long edge plate, and the short edge plate of the inverted-L-shaped guide plates is connected with the upper fixing plate through a connecting component. The locking mechanism is used for transmission devices.

Description

technical field [0001] The invention relates to a locking mechanism, in particular to a locking mechanism used on a transmission device. Background technique [0002] With the rapid development of machinery-related industries such as automobiles, construction, medical treatment, and machining, people have higher and higher requirements for the locking mechanism of the transmission system. It is difficult for traditional locking devices to meet the current high requirements for locking devices. At present, the widely used principle of locking mechanism is friction and pressure. The application of friction or pressure to lock the transmission device inevitably has disadvantages such as insufficient fast locking, inaccurate locking position and unstable locking. The Chinese invention application with the publication number CN101328921A (publication date: December 24, 2008) discloses a pin installation and withdrawal and locking device. The pin shaft is installed, retreated and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H63/34
Inventor 张锋宋宝玉张松
Owner HARBIN INST OF TECH
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