Novel lock of supporting arm of lifter

A lift and arm lock technology, applied in the field of arm locks, can solve problems such as inconvenient welding and installation, forgotten manual operation, troublesome operation, etc., and achieve the effects of avoiding falling, convenient use, and simple structure

Inactive Publication Date: 2014-03-26
QINGDAO DESIREE AUTOMOBILE INSPECTION DEVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently used lifts, arm locks have a complex structure, are inconvenient to weld and install, and require manual unlocking and locking. state, it is easy to shift the support arm during the lifting process of the vehicle, causing the vehicle to fall, causing property damage, and even casualties

Method used

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  • Novel lock of supporting arm of lifter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] This new lift arm lock, such as figure 1 As shown, it is installed in the lifting base 1 of the lift, and one end of the support arm 2 is pivotally connected in the lifting base 1 .

[0009] The arm lock includes a tooth block 3 provided with meshing teeth. The upper surface of the tooth block 3 is provided with a guiding connecting shaft 4, and the lower surface is provided with a grounding connecting shaft. The guiding connecting shaft 4 and the grounding connecting shaft are respectively installed on the top plate and the bottom plate of the lifting base 1. In the shaft hole provided, a return spring 5 is installed on the guide connecting shaft 4, and one end of the return spring 5 is against the upper surface of the gear block 3, and the other end is against the lifting base 1 top plate, and the grounding connecting shaft stretches out the lifting base 1.

[0010] The tooth block 3 can move up and down in the lifting base 1 , and the inner end of the support arm 2 i...

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PUM

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Abstract

A novel lock of a supporting arm of a lifter is installed in a lifting base of the lifter. One end of the supporting arm is connected into the lifting base through a shaft. The novel lock of the supporting arm of the lifer comprises a gear block with meshed teeth, a guide connection shaft is arranged on the upper surface of the gear block, a ground connection shaft is arranged on the lower surface of the gear block, the guide connection shaft and the ground connection shaft are installed in shaft hole formed in a top plate of the lifting base and a shaft hole formed in a bottom plate of the lifting base respectively, a reset spring is installed on the guide connection shaft, the ground connection shaft extends out of the lifting base, the gear block can move vertically in the lifting base, and a connection plate is arranged at the inner end of the supporting arm and provided with a plurality of tooth grooves into which the meshed teeth of the gear block can be embedded. The novel lock of the supporting arm of the lifer is simple in structure and easy to install, the lock can be unlocked automatically when the lifting base falls to the ground and be locked automatically when the lifting base ascends, manual operation is not required, using is convenient, and the lock cannot be forgotten. In a vehicle lifting process of the lifter, the supporting arm of the lifter is locked, and falling of the vehicle, property losses and casualties are avoided.

Description

technical field [0001] The invention relates to a locking mechanism, in particular to an arm lock of a lift. Background technique [0002] The lift is a kind of equipment used in automobile maintenance, which can lift the vehicle and inspect the bottom of the vehicle. Due to the different sizes of the vehicles to be overhauled, it is necessary to adjust the support arm to a suitable position when using the lift, and then fix the support arm before the vehicle can be lifted. Currently used lifts, arm locks have a complex structure, are inconvenient to weld and install, and require manual unlocking and locking, which is cumbersome to operate, and manual operations are prone to forgetting, so that when the lift is working, the arms are not locked. state, it is easy to shift the support arm during the lifting process of the vehicle, causing the vehicle to fall, causing property damage, and even casualties. Contents of the invention [0003] Aiming at the above problems, the ...

Claims

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Application Information

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IPC IPC(8): B66F7/28
Inventor 马先龙陈磊
Owner QINGDAO DESIREE AUTOMOBILE INSPECTION DEVICE
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