Braking structure for motor
A technology of motor braking and linkage, which is applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of high cost, loss of energy consumption, deformation of coil springs, etc. small effect
Active Publication Date: 2014-01-01
NINGBO BAIXING MACHINERY TECH
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- Application Information
AI Technical Summary
Problems solved by technology
The above-mentioned spring brake structure is prone to excessive deformation after long-term use, resulting in deformation of the coil spring, which cannot cooperate with the friction parts to play a braking role, and can only carry a small load
However, the use of excitation coil braking method requires additional loss of energy consumption, and the cost is relatively high
Method used
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Embodiment Construction
[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0017] see Figure 1-Figure 3 , a motor braking structure, including a fixed hollow cylindrical notch shell 1, the notch shell 1 is provided with a linkage 2, the linkage 2 is also hollow cylindrical, and at least one In this embodiment, there are three projections 21 extending radially inward. A radial opening through groove 22 is provided in the projection 21, and a clamping block 23 is arranged in the through groove 22. Preferably, the clamping block 23 is Cylindrical, with a large contact surface and flexible rolling. The block 23 extends out of the through groove 22 towards the side wall of the inner wall of the notch case 1 , and there is a certain gap between the block 23 and the inner side wall of the notch case 1 in a normal working state.
[0018] The linkage 2 is provided with an input part 3 and an output part 4, the motor core o...
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The invention discloses a braking structure for a motor. The braking structure for the motor comprises a notched casing in a hollow cylindrical shape, an output part and an input part for driving the output part. The braking structure for the motor is characterized in that the braking structure further comprises a cylindrical linkage device is arranged in the notched casing, the input part and the output part are coaxially installed in the linkage device, at least one protruding block radially extending inwards is arranged on the inner side wall of the linkage device, a through groove with a radial opening is arranged in the at least one protruding block, a clamping block is arranged in the through groove, the portion of the clamping block, which faces the side wall of the center of the notched casing, extends out of the through groove, a projecting portion is arranged on the circumference of one end surface of the output part, and the projecting portion radially extends outwards and can extrude the clamping block to the inner side wall of the notched casing to achieve braking. The braking structure is simple in structure, large in braking force and stable in braking performance.
Description
technical field [0001] The invention relates to a motor, in particular to a braking structure of the motor. Background technique [0002] Existing motor braking devices usually use the excitation coil to generate electromagnetic force to absorb the brake disc with spring or use the torsion spring to lock the brake mechanism. For example, the patent with publication number CN101839111A discloses a spring-loaded brake. The actuator includes : a helical spring, each end of which is formed with radially extending lugs; a friction member, which includes a friction surface against which the helical spring radially presses; an input member, which can drive the spring to reduce the gap between the helical spring and the friction surface One direction of the contact force rotates around the central axis; and an output member capable of driving the spring to rotate around its axis in a direction that increases the contact force between the coil spring and the friction surface. Actuat...
Claims
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IPC IPC(8): H02K7/10
Inventor 吕嬿侯志成
Owner NINGBO BAIXING MACHINERY TECH