A high torque double electromagnet head normally closed safety brake

A technology of safety brakes and double electromagnets, applied in the direction of brake actuators, gear transmission mechanisms, mechanical equipment, etc., can solve the problems of increased yoke and armature, increased processing difficulty, increased heat, etc., to achieve increased safety performance, Easy and safe control, long-lasting effect

Active Publication Date: 2017-08-01
焦作市制动器开发有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In theory, increasing the number of coils in the electromagnetic brake and the diameter of the center line of the coil can increase the magnetism of the electromagnetism, but in actual production and application, increasing the number of coils and the diameter of the center line of the coil will increase the heat, but the magnetism will decrease
And if the coil is too large, the corresponding yoke and armature will increase, making the processing difficulty doubled

Method used

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  • A high torque double electromagnet head normally closed safety brake
  • A high torque double electromagnet head normally closed safety brake

Examples

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Embodiment Construction

[0013] Such as figure 1 , figure 2 As shown, a high-torque double electromagnet head normally closed safety brake includes a symmetrically arranged brake arm 3. One end of the symmetrically arranged brake arm is connected to the stepped shaft, and the other end is connected to the brake shoe. The brake shoe passes through the The pin shaft is connected with the base 1, and an adjusting screw 6 with positive threads and negative threads at both ends is installed between the two brake arms. The front end of the brake arm is a friction plate assembly, which includes a brake The brake shoe 2 connected to the arm, the friction plate 5 installed on the brake shoe (the part where the friction plate is installed on the brake shoe has its own magnetic force, which makes the disassembly and installation of the friction plate simple and convenient). The end of the brake arm is connected to the brake power device through the stepped shaft, and the brake power device is composed of two s...

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Abstract

A high-torque double-electromagnet-head normally-closed type safety brake comprises symmetrical brake arms. One end of each brake arm is connected with a stepped shaft, and the other end of each brake arm is connected with a brake shoe. The brake shoes are connected with a base through a pin shaft. An adjustment screw rod is arranged between the two brake arms. Friction plate assemblies are arranged at the front ends of the brake arms, and the rear ends of the brake arms are provided with brake power devices connected through the stepped shafts. The brake power devices comprise disc spring assemblies and two electromagnet devices. According to the high-torque double-electromagnet normally-closed type safety brake, one electromagnet device is additionally arranged, disc spring force is added, the positive pressure of the brake shoes to a brake disk is doubled when an electric failure occurs and the high-torque double-electromagnet normally-closed type safety brake conducts safety brake, and the safety of a mechanical system is improved.

Description

technical field [0001] The invention relates to a high-torque double electromagnet head normally closed safety brake. Background technique [0002] At present, electromagnetic brakes are widely used in lifting, port loading and unloading and metallurgical machinery and other industrial places. It is an ideal automatic actuator in modern industry. Do not move the device. The industrial electromagnetic brake is a connector that transmits the torque from the active side to the passive side. It can be freely combined, disconnected or braked according to the needs. Because it is activated by electromagnetic force, it is called an electromagnetic brake. It is mainly used for large-scale equipment with high safety requirements, such as mine hoists, elevators, etc. The safety brake greatly increases the braking torque of the original brake, and can be installed on a low-speed shaft close to the working part of the equipment to improve safety performance. [0003] In theory, incre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D65/22F16D121/22
Inventor 王长海宋四新
Owner 焦作市制动器开发有限公司
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