CN212690638U

CN212690638U - Shock-absorbing electromagnetic brake

Info

Publication number: CN212690638U
Application number: CN202021554701.7U
Authority: CN
Inventors: 戴鹏飞
Original assignee: Chongqing Qingtai Auto Parts Co ltd
Current assignee: Chongqing Qingtai Auto Parts Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-12
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a absorbing electromagnetic braking ware, its technical scheme main points are: the damping device comprises a base, wherein a magnetic yoke is fixedly connected to one side of the base, an accommodating groove is formed in the center of the magnetic yoke, a plurality of rectangular grooves are formed in the magnetic yoke, a coil is arranged in each rectangular groove, a fixed shaft is rotatably connected to the center of the base, a brake disc is connected to the fixed shaft in a sliding mode, an armature is fixedly connected to one side of the brake disc, a wear-resistant damping pad is fixedly connected to one surface, opposite to the magnetic yoke, of the armature, a spring seat is fixedly connected to the fixed shaft, a reset spring is arranged on the spring seat, one end of the reset spring is fixedly connected to the end portion of the spring seat, and the other end of the reset spring is; the effect that the impact force is reduced, the safe operation of the brake cannot be influenced, and meanwhile, the noise is avoided.

Description

Shock-absorbing electromagnetic brake

Technical Field

The utility model belongs to the electromagnetic braking ware field, concretely relates to absorbing electromagnetic braking ware.

Background

The electromagnetic brake is a connector for transmitting the torque force of the driving side to the driven side, can be freely combined, cut off or braked according to requirements, 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, is an ideal automatic execution element in modern industry, and mainly plays roles in transmitting power, controlling movement and the like in a mechanical transmission system.

The existing electromagnetic brake trade is provided with a damping mechanism, so that when the electromagnetic brake is electrified, a movable iron core is strongly attracted to a static iron core, a large impact force is generated between the movable iron core and the static iron core, the safe operation of the brake is influenced, and meanwhile, large noise is also generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a absorbing electromagnetic braking ware to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a absorbing electromagnetic brake, includes the base, one side fixedly connected with yoke of base, the holding tank has been seted up in the center department of yoke, a plurality of rectangular channels have still been seted up to the inside of yoke, be provided with the coil in the rectangular channel, the center department of base rotates and is connected with the fixed axle, sliding connection has the brake disc on the fixed axle, one side fixedly connected with armature of brake disc, armature with the equal fixedly connected with wear-resisting shock pad of the one side that the yoke is relative, fixed epaxial fixedly connected with spring holder, be provided with reset spring on the spring holder, reset spring's one end fixed connection be in the tip of spring holder, reset spring's other end fixed connection be in the brake disc is close to the terminal surface of yoke, reset spring with the spring holder all is.

Preferably, the magnet yoke and the base are fixedly connected with a bearing seat together at the center, and the magnet yoke, the base and the fixed shaft are rotatably connected through the bearing seat.

Preferably, the magnet yoke and the base, and the brake disc and the armature are fixedly connected through bolts, and the bolts are stainless steel bolts.

Preferably, the brake disc and the position corresponding to the fixed shaft are both provided with key grooves, the key grooves are internally provided with splines, and the size of the splines is larger than that of the key grooves.

Preferably, the wear-resistant shock pad is a fluororubber pad, the wear-resistant shock pad is respectively and fixedly connected with the magnet yoke and the armature through a strong glue, and the thickness of the wear-resistant shock pad is 0.5-1 mm.

Preferably, the end of the fixed shaft is fixedly connected with a threaded sleeve, and the threaded sleeve is in threaded connection with a nut used for adjusting a braking gap between the magnetic yoke and the armature.

Compared with the prior art, the beneficial effects of the utility model are that:

this absorbing electromagnetic braking ware is when using, through the setting of two wear-resisting shock pads, when armature receives the electromagnetic force motion, the shock attenuation wear pad contact braking of armature and yoke terminal surface, under the effect of two shock attenuation wear pads, has reduced contact force and impact force between yoke and the armature, can not weaken the braking effect simultaneously, can reach and reduce the impact force and can not influence the stopper safe operation, also avoid the effect of production noise simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a diagram of the structure of the spring seat of the present invention;

fig. 4 is an enlarged structure diagram of the bolt of the present invention.

In the figure: 1. a base; 2. a magnetic yoke; 3. accommodating grooves; 4. a rectangular groove; 5. a coil; 6. a fixed shaft; 7. a brake disc; 8. an armature; 9. a wear-resistant shock pad; 10. a spring seat; 11. a return spring; 12. a bearing seat; 13. a keyway; 14. a spline; 15. a threaded sleeve; 16. a nut; 17. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides a damping electromagnetic brake, wherein the technical solution is as follows:

including base 1, one side fixedly connected with yoke 2 of base 1, holding tank 3 has been seted up in the center department of yoke 2, a plurality of rectangular channels 4 have still been seted up to the inside of yoke 2, be provided with coil 5 in the rectangular channel 4, the center department of base 1 rotates and is connected with fixed axle 6, sliding connection has brake disc 7 on the fixed axle 6, one side fixedly connected with armature 8 of brake disc 7, the equal fixedly connected with wear-resisting shock pad 9 of one side that armature 8 is relative with yoke 2, fixedly connected with spring holder 10 on the fixed axle 6, be provided with reset spring 11 on the spring holder 10, reset spring 11's one end fixed connection is at the tip of spring holder 10, reset spring 11's other end fixed connection is at the terminal surface that brake disc 7 is close to yoke 2, reset spring.

This absorbing electromagnetic braking ware is when using, through the setting of two wear-resisting shock pads 9, when armature 8 receives the electromagnetic force motion, the shock attenuation wear pad contact braking of

armature

8 and 2 terminal surfaces of yoke, under the effect of two shock attenuation wear pads, has reduced contact force and impact force between yoke 2 and the armature 8, can not weaken the braking effect simultaneously, can reach and reduce the impact force and can not influence the stopper safe operation, also avoid the effect of production noise simultaneously.

In the embodiment, preferably, the bearing seat 12 is fixedly connected to the center of the magnetic yoke 2 and the center of the base 1, and the magnetic yoke 2, the base 1 and the fixed shaft 6 are rotatably connected through the bearing seat 12; the fixed shaft 6 can be rotated more smoothly.

In this embodiment, preferably, the magnetic yoke 2 and the base 1, and the brake disc 7 and the armature 8 are all fixedly connected through a bolt 17, and the bolt 17 is a stainless steel bolt; the arrangement of the bolt 17 has the effect of convenient disassembly and maintenance.

In this embodiment, preferably, the positions of the brake disc 7 corresponding to the fixed shaft 6 are both provided with a key groove 13, a spline 14 is arranged in the key groove 13, and the size of the spline 14 is larger than that of the key groove 13; the provision of splines 14 may serve as a locating function.

In the embodiment, preferably, the end of the fixed shaft 6 is fixedly connected with a threaded sleeve 15, and the threaded sleeve 15 is in threaded connection with a nut 16 for adjusting the braking gap between the magnetic yoke 2 and the armature 8; has the function of convenient disassembly and adjustment.

Example 2

armature

In this embodiment, preferably, the wear-resistant damping pad 9 is a fluororubber pad, the wear-resistant damping pad 9 is fixedly connected with the magnet yoke 2 and the armature 8 respectively through a super glue, and the thickness of the wear-resistant damping pad 9 is 0.5 mm; the thickness is thin, the suction force and the braking effect cannot be influenced, and meanwhile, the fluororubber has very strong wear resistance and has the advantages of good damping effect and strong wear resistance.

In the embodiment, preferably, the end of the fixed shaft 6 is fixedly connected with a threaded sleeve 15, and the threaded sleeve 15 is in threaded connection with a nut 16 for adjusting the braking gap between the magnetic yoke 2 and the armature 8; the disassembly and the adjustment are convenient.

The utility model discloses a theory of operation and use flow:

when the damping electromagnetic brake is used, when the coil 5 is electrified, the coil 5 can generate a strong magnetic field, so that strong attraction is generated to attract the armature 8, the armature 8 is in contact with the magnetic yoke 2, meanwhile, the two wear-resistant damping pads 9 mutually generate friction torque, the rotating fixed shaft 6 is rapidly braked, after the coil 5 is stopped to be powered, the strong magnetic field disappears, the armature 8 is rapidly separated from the magnetic yoke 2 under the action of the reset spring 11, the brake is rapidly released, when the brake distance between the magnetic yoke 2 and the armature 8 is overlarge, the distances among the brake disc 7, the armature 8 and the magnetic yoke 2 can be adjusted, the nut 16 is screwed after the adjustment is finished, through the arrangement of the two wear-resistant damping pads 9, when the armature 8 is subjected to electromagnetic motion, the armature 8 is in contact with the shock-absorbing wear-resistant pads on the end face of the magnetic yoke 2 to brake, and under the action of the two shock-absorbing wear-resistant pads, the contact force and the impact force, meanwhile, the braking effect cannot be weakened, the effect that the impact force is reduced, the safe operation of the brake cannot be influenced, and the noise is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A damped electromagnetic brake, including base (1), its characterized in that: one side fixedly connected with yoke (2) of base (1), holding tank (3) have been seted up in the center department of yoke (2), a plurality of rectangular channels (4) have still been seted up to the inside of yoke (2), be provided with coil (5) in rectangular channel (4), the center department of base (1) rotates and is connected with fixed axle (6), sliding connection has brake disc (7) on fixed axle (6), one side fixedly connected with armature (8) of brake disc (7), armature (8) with the equal fixedly connected with wear-resisting shock pad (9) of the one side that yoke (2) is relative, fixedly connected with spring holder (10) on fixed axle (6), be provided with reset spring (11) on spring holder (10), the one end fixed connection of reset spring (11) is in the tip of spring holder (10), the other end fixed connection of reset spring (11) is in brake disc (7) is close to yoke (2) The return spring (11) and the spring seat (10) are both positioned in the accommodating groove (3).

2. A damped electromagnetic brake according to claim 1, wherein: the magnetic yoke (2) and the base (1) are fixedly connected with a bearing seat (12) together at the center, and the magnetic yoke (2), the base (1) and the fixed shaft (6) are rotatably connected through the bearing seat (12).

3. A damped electromagnetic brake according to claim 1, wherein: the magnet yoke (2) is fixedly connected with the base (1), the brake disc (7) is fixedly connected with the armature (8) through bolts (17), and the bolts (17) are stainless steel bolts.

4. A damped electromagnetic brake according to claim 1, wherein: the brake disc (7) and the position corresponding to the fixed shaft (6) are provided with key grooves (13), splines (14) are arranged in the key grooves (13), and the size of the splines (14) is larger than that of the key grooves (13).

5. A damped electromagnetic brake according to claim 1, wherein: the wear-resistant shock pad (9) is a fluororubber pad, the wear-resistant shock pad (9) is fixedly connected with the magnet yoke (2) and the armature (8) through super glue respectively, and the thickness of the wear-resistant shock pad (9) is 0.5-1 mm.

6. A damped electromagnetic brake according to claim 1, wherein: the end part of the fixed shaft (6) is fixedly connected with a threaded sleeve (15), and a nut (16) used for adjusting a braking gap between the magnet yoke (2) and the armature (8) is in threaded connection with the threaded sleeve (15).