Brake

A brake and cylinder technology, applied in hydraulic brakes, brake actuators, gear shifting mechanisms, etc., can solve the problems of occupying the rhythm and unable to completely eliminate errors, and achieve the effect of reducing the braking distance
CN102705401AInactive Publication Date: 2012-10-03CHINA NAT HEAVY MACHINERY RES INSTCO
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA NAT HEAVY MACHINERY RES INSTCO
Publication Date
2012-10-03
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a brake which belongs to a brake on an aluminum extrusion production line and particularly belongs to a brake adopting high pressure oil or compressed air as brake power for braking and a disk spring for returning, in order to solve the problem of inaccurate stop position of a tractor. The brake at least comprises a cylinder (1), a piston (2), a support plate (5), a support (6), a locking block (8) and a brake pad (9). When the brake is in work, hydraulic oil or compressed air enters the cylinder (1) through a hole (10) of the cylinder (1) and pushes the piston (2) to drive the brake pad (9) onto a braking surface, thereby implementing rapid braking. According to the brake, the tractor can rapidly, accurately and safely stop at a position required by a process; and the brake is high in automatic degree, reliable in braking, and convenient to operate.
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Description

technical field

[0001] The invention belongs to a brake on an aluminum extrusion production line, in particular to a brake which adopts high-pressure oil or compressed air as the braking power for braking and is reset by a disc spring. Background technique

[0002] In the production process of the aluminum extrusion machine, in order to eliminate the uneven flow of metal at the die mouth, a tractor is generally installed. When the tractor is working, the traction speed matches the extrusion speed. In order to meet the extrusion beat, the return speed of the tractor even reaches 3m / s, so that the tractor needs to stop at the position required by the process quickly, accurately and safely.

[0003] The current technology is to use the frequency converter to control the start and stop of the traction motor through the signal provided by the rotary encoder or the code ruler according to the process requirements, and then control the start and stop of the traction machine. D...

Claims

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