Brake clearance manual adjusting arm device with umbrella tooth structures arranged at two ends of worm
A manual adjustment and brake clearance technology, applied in the direction of slack adjuster, etc., can solve the problems of damage to the adjustment shaft locking device, brake failure, and increase of brake clearance
Active Publication Date: 2013-08-14
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AI-Extracted Technical Summary
Problems solved by technology
The invention discloses a brake clearance manual adjusting arm device with umbrella tooth structures arranged at two ends of a worm. Elastic material working holes with angles are arranged on two fitting surfaces of the worm as well as the front end and the back end of an adjusting arm shell; the umbrella tooth structures at two ends of the worm fit with the elastic material working holes; self-locking is performed on the umbrella tooth structures of the worm by the elastic material at two ends of the shell; and since rigid hardness of the worm is higher than hardness of the adjusting arm shell, for a rack of the umbrella tooth structures on the worm and fitting surfaces of the adjusting arm shell, in an impact process of braking force and reverse braking force, the fitting surfaces of the adjusting arm shell is impacted by the toothed rack of the umbrella tooth structures on the worm to form a gear groove symmetrical with the toothed rack of the umbrella tooth structures. The brake clearance manual adjusting arm device has the advantages of long service life, quick braking, rapid return and convenience in adjustment; assembly is free of restraint on a braking force direction; synchronous motion of the adjusting arm shell and a turbine is implemented; frequent changing is avoided; and sensitivity, reliability and safety of a brake system are further improved.
Brake forceSelf locking +5
- Experimental program(1)
Description & Claims & Application Information
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