CN219570685U

CN219570685U - Novel electromagnetic brake

Info

Publication number: CN219570685U
Application number: CN202321250475.7U
Authority: CN
Inventors: 吴来均
Original assignee: Zhuji Jieyuan Electromechanical Equipment Co ltd
Current assignee: Zhuji Jieyuan Electromechanical Equipment Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-08-22
Anticipated expiration: 2033-05-23

Abstract

The utility model discloses a novel electromagnetic brake, and belongs to the technical field of electromagnetic brakes. The utility model provides a novel electromagnetic braking ware, is cylindric shell including inside cavity, the bottom of shell is equipped with yoke subassembly and four supporting component, four supporting component is located yoke subassembly's periphery side, four be equipped with the armature on the supporting component, the port department of shell is equipped with four threaded rods, four be equipped with the end cover on the threaded rod, the central point department of end cover is equipped with the through-hole, be equipped with the bearing in the through-hole, be equipped with the axle sleeve in the bearing, the axle sleeve orientation one side terminal surface of armature is equipped with the brake disc, the brake disc orientation one side of armature be equipped with armature butt's friction disc, be equipped with four on the inner wall of shell with the spacing subassembly of armature butt. The utility model can increase the contact area between the friction plate and the brake disc, ensure the relative braking capability of the brake and ensure the running stability of the electromagnetic brake.

Description

Novel electromagnetic brake

Technical Field

The utility model belongs to the technical field of electromagnetic brakes, and particularly relates to a novel electromagnetic brake.

Background

The electromagnetic brake is a connector for transmitting torque force of the active side to the passive side, can be freely combined, cut off or braked according to the requirement, and has the advantages of compact structure, simplicity in operation, sensitivity in response, long service life, reliability in use, easiness in realization of remote control and the like. The electromagnetic brake is an ideal automatic executive component in the modern industry, mainly plays roles of transmitting power, controlling motion and the like in a mechanical transmission system, the friction plate and the brake disc in the traditional electromagnetic brake are of a split structure, and after the friction plate and the brake disc are worn relatively, the braking performance can be recovered only by replacing the friction plate, so that the maintenance period is short, the effective use thickness of the friction plate is low, waste is caused, and the friction plate and the brake disc cannot be kept parallel after the electromagnetic brake is used for a long time, so that the braking effect of the electromagnetic brake cannot be ensured.

The utility model discloses a novel electromagnetic brake, which comprises a base shell, wherein four screws are connected to the front surface of the base shell at equal intervals along the circumference, the screws penetrate through a plate body of an end cover, and nuts are screwed on rod bodies of screws on the front side and the rear side of the end cover; the middle part of the plate body of the end cover is connected with a bearing, the inner ring of the bearing is connected with a shaft sleeve, and one end of the shaft sleeve is connected with a brake disc; four guide rods are connected with the inner bottom surface of the base shell at equal intervals along the circumference, the guide rods penetrate through the plate body of the armature, and springs are sleeved on the rod bodies of the guide rods between the armature and the inner wall bottom surface of the base shell. The rotary stability of the brake disc can be ensured, the relative pressure of the brake disc and the friction plate can be adjusted, the braking performance of the brake can be changed, the braking effect of the brake can be ensured through adjustment after the friction plate is worn, and the replacement frequency of the friction plate is reduced.

The above-mentioned utility model is characterized by that on the support of armature, only four springs are used to implement said utility model, so that when the electromagnetic brake is in non-energized state, the contact stability between the armature and friction plate supported by four springs is low, and the braking performance of the electromagnetic brake is still affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a novel electromagnetic brake, which can increase the contact area of a friction plate and a brake disc, ensure the relative braking capability of the brake and ensure the running stability of the electromagnetic brake.

The utility model discloses a novel electromagnetic brake, which comprises a shell with a hollow cylindrical inner part, wherein a magnetic yoke assembly and four support assemblies are arranged at the bottom of the shell, the four support assemblies are positioned at the periphery side of the magnetic yoke assembly, armatures are arranged on the four support assemblies, four threaded rods are arranged at the ports of the shell, end covers are arranged on the four threaded rods, a through hole is arranged at the center point of the end cover, a bearing is arranged in the through hole, a shaft sleeve is arranged in the bearing, a brake disc is arranged on the end face of one side, facing the armature, of the shaft sleeve, a friction plate which is abutted with the armature is arranged on one side, facing the armature, of the brake disc, and four limiting assemblies which are abutted with the armature are arranged on the inner wall of the shell.

Preferably, the shaft sleeve and the brake disc are integrally formed.

Preferably, four of the support members are equally spaced in a circumferential direction of the housing.

Preferably, the support assembly comprises a positioning shaft arranged at the bottom of the shell, and a first spring is sleeved on the positioning shaft.

Preferably, four limit assemblies are equally spaced about the circumference of the housing.

Preferably, the limiting component comprises a hollow groove formed in the inner wall of the shell, a ball is detachably arranged in the hollow groove through a torsion spring, a groove is formed in the ball, a limiting block is slidably connected in the groove through a second spring, a clamping groove communicated with the hollow groove is formed in the inner wall of the shell, and an abutting plate abutting against the armature is integrally formed on the periphery side of the ball.

Preferably, a buckle plate limiting the ball is arranged at the opening of the empty groove.

Compared with the prior art, the utility model has the advantages that:

drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is an enlarged partial schematic view of fig. 2 a in accordance with the present utility model.

The reference numerals in the figures illustrate:

10. a housing; 11. a yoke assembly; 12. positioning a shaft; 13. an armature; 14. a friction plate; 15. a brake disc; 16. a shaft sleeve; 17. a bearing; 18. an end cap; 19. a threaded rod; 20. a ball; 21. a buckle plate; 22. a groove; 23. a limiting block; 24. a clamping groove; 25. and an abutting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

First embodiment: referring to fig. 1-3, a novel electromagnetic brake includes a hollow cylindrical housing 10, a yoke assembly 11 is disposed at the bottom of the housing 10, and the yoke assembly 11 is in the prior art, so that excessive description is omitted, four support assemblies are disposed at the outer periphery of the bottom of the housing 10 and are disposed at equal intervals along the circumferential direction of the housing 10, and armatures 13 are disposed on the four support assemblies;

four threaded rods 19 are arranged at the ports of the shell 10, end covers 18 are arranged on the four threaded rods 19, through holes are formed in the center points of the end covers 18, bearings 17 are arranged in the through holes, shaft sleeves 16 are arranged in the bearings 17, a brake disc 15 is arranged on the end face of one side, facing the armature 13, of the shaft sleeves 16, the shaft sleeves 16 and the brake disc 15 are integrally formed, and friction plates 14 in butt joint with the armature 13 are arranged on the side, facing the armature 13, of the brake disc 15.

In this embodiment, four limiting assemblies abutting against the armature 13 are provided on the inner wall of the housing 10.

The support assembly comprises a positioning shaft 12 arranged at the bottom of the shell 10, and a first spring is sleeved on the positioning shaft 12.

The spacing subassembly is including seting up the empty slot on the shell 10 inner wall, can dismantle through the torsional spring in the empty slot and be equipped with ball 20, is equipped with recess 22 on the ball 20, has stopper 23 through second spring sliding connection in the recess 22, is equipped with the draw-in groove 24 with the empty slot intercommunication on the inner wall of shell 10, and the periphery side integrated into one piece of ball 20 has the butt board 25 with armature 13 butt.

Further, a buckle 21 limiting the ball 20 is arranged at the opening of the empty slot.

Further, the four limit members are disposed at equal intervals with respect to the circumferential direction of the housing 10.

When the electromagnetic brake is in a power-off state, the four first springs push the armature 13 to abut against the friction plate 14 to generate braking force, the electromagnetic brake cannot control the shaft to rotate at the moment, meanwhile, the limiting block 23 on the ball 20 is positioned in the clamping groove 24 under the action of the second springs to limit the position of the ball 20, the ball 20 controls the abutting plate 25 to contact with the armature 13 to further support the armature 13, stable abutting between the armature 13 and the friction plate 14 is guaranteed, and braking force of the electromagnetic brake is guaranteed.

When the electromagnetic brake is electrified, the magnetic yoke assembly 11 attracts the armature 13, the armature 13 is controlled to be in contact with the friction plate 14, meanwhile, the armature 13 applies external force to the balls 20 through the abutting plate 25, so that the limiting block 23 on the balls 20 is positioned in the clamping groove 24, the balls 20 are controlled to overcome the limiting, rotation occurs in the cavity, braking between the friction plate 14 and the armature 13 is canceled, and rotation of the shaft is realized.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

Claims

1. The utility model provides a novel electromagnetic brake, is cylindric shell (10) including inside cavity, the bottom of shell (10) is equipped with yoke subassembly (11) and four supporting component, four supporting component is located the periphery side of yoke subassembly (11), four be equipped with armature (13) on the supporting component, the port department of shell (10) is equipped with four threaded rods (19), four be equipped with end cover (18) on threaded rods (19), the central point department of end cover (18) is equipped with the through-hole, be equipped with bearing (17) in the through-hole, be equipped with axle sleeve (16) in bearing (17), axle sleeve (16) orientation one side terminal surface of armature (13) is equipped with brake disc (15), brake disc (15) orientation one side of armature (13) be equipped with friction disc (14) of armature (13) butt, its characterized in that: four limiting components which are abutted with the armature iron (13) are arranged on the inner wall of the shell (10).

2. The novel electromagnetic brake of claim 1, wherein: the shaft sleeve (16) and the brake disc (15) are integrally formed.

3. The novel electromagnetic brake of claim 1, wherein: four of the support members are arranged at equal intervals in the circumferential direction of the housing (10).

4. A novel electromagnetic brake according to claim 3, wherein: the support assembly comprises a positioning shaft (12) arranged at the bottom of the shell (10), and a first spring is sleeved on the positioning shaft (12).

5. The novel electromagnetic brake of claim 1, wherein: four spacing components are arranged at equal intervals in the circumferential direction of the shell (10).

6. The novel electromagnetic brake of claim 1, wherein: the limiting component comprises an empty groove formed in the inner wall of the shell (10), a ball (20) is detachably arranged in the empty groove through a torsion spring, a groove (22) is formed in the ball (20), a limiting block (23) is slidably connected in the groove (22) through a second spring, a clamping groove (24) communicated with the empty groove is formed in the inner wall of the shell (10), and an abutting plate (25) abutted to the armature (13) is integrally formed on the outer periphery side of the ball (20).

7. The novel electromagnetic brake as defined in claim 6, wherein: the opening of the empty slot is provided with a buckle plate (21) for limiting the ball (20).