CN211283318U - Brake for traction machine - Google Patents
Brake for traction machine Download PDFInfo
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- CN211283318U CN211283318U CN201921869005.2U CN201921869005U CN211283318U CN 211283318 U CN211283318 U CN 211283318U CN 201921869005 U CN201921869005 U CN 201921869005U CN 211283318 U CN211283318 U CN 211283318U
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- armature
- yoke
- brake
- hole
- friction disc
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Abstract
The utility model discloses a stopper for hauler relates to stopper technical field, including armature, a side end face of armature is equipped with the yoke, the opposite side terminal surface of armature is equipped with the aluminium friction disk, the cover has no asbestos friction disc on the aluminium friction disk, the inside solenoid that is equipped with of yoke, a plurality of spring mounting chambers have been arranged in the yoke, the spring that corresponds has been arranged in every spring mounting chamber, the both ends of spring are supported respectively on armature and yoke, there is working air gap between the terminal surface in opposite directions of armature and yoke, a plurality of construction bolts and the regulation structure that are the circumference and distribute have been arranged on the yoke terminal surface. The beneficial effects of the utility model are that, through the distance between the inside shock pad of screwing up and not hard up adjustment and the armature of outside adjusting nut, guarantee during the drawback armature earlier with the shock pad laminating, the noise abatement, it is easy and simple to handle, low in manufacturing cost has simplified the air gap adjustment operation.
Description
Technical Field
The utility model relates to a stopper technical field, especially a stopper for hauler.
Background
The brake is widely applied to the working conditions of traction machine braking and emergency braking, the air gap of the brake is the axial distance between the electromagnetic coil and the armature, and the air gap is too large to exceed the attraction range of the electromagnetic coil, so that the normal attraction cannot be realized. Typically, as the friction plates on the friction plates wear over time, the air gap increases and the noise increases, requiring adjustment of the air gap when the air gap increases to the point where the solenoid coil is no longer engaged. In the prior art, the application date is 2016.08.09, publication number is CN205937600U, and the utility model discloses in the chinese patent of "an electromagnetic brake air gap adjustment structure and electromagnetic brake", an electromagnetic brake for adjusting the air gap of electromagnetic brake is disclosed promptly, what adopted in this patent is that arrange sleeve and adjusting shim group on the mounting bolt, when need adjusting the air gap because of the air gap grow that the friction disc wearing and tearing arouse, loosen the mounting bolt, respectively get the same adjusting shim of quantity under each sleeve, lock the mounting bolt again, this kind of scheme needs to reinstall the brake, the operation is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, a brake for a tractor is designed.
Realize above-mentioned purpose the technical scheme of the utility model be, a stopper for hauler, including armature, a side end face of armature is equipped with the yoke, the opposite side terminal surface of armature is equipped with the aluminium friction disc, the cover has no asbestos friction disc on the aluminium friction disc, the inside solenoid that is equipped with of yoke, a plurality of spring installation chambeies have been arranged in the yoke, and the spring that corresponds has been arranged in every spring installation intracavity, the both ends of spring are supported respectively armature with on the yoke, armature with there is working air gap between the terminal surface in opposite directions of yoke, a plurality of construction bolts and the regulation structure that are the circumference and distribute have been arranged on the yoke terminal surface, construction bolts with adjust the structure cross distribution.
Furthermore, the periphery of the end face of the magnetic yoke is circumferentially and uniformly provided with a first guide hole which penetrates axially, the position of the armature corresponding to the first guide hole is correspondingly provided with a positioning mounting hole, a guide pillar is inserted into the first guide hole, the length of the guide pillar is greater than the thickness of the magnetic yoke, and the mounting bolt penetrates through the positioning mounting hole and the guide pillar.
Furthermore, the adjusting structure mainly comprises an adjusting screw rod and an adjusting nut, the peripheral part of the end face of the magnetic yoke is provided with a second guide hole which is axially penetrated through in a circumferentially uniform distribution manner, threads are arranged in the second guide hole, a step hole is formed in one side, close to the armature, of the second guide hole, a shock pad is arranged in the step hole, one end of the shock pad is abutted to the armature, the other end of the shock pad is abutted to a retainer ring, the adjusting screw rod penetrates through the second guide hole and is abutted to the retainer ring, and the adjusting nut is sleeved on the adjusting screw rod.
Furthermore, a through hole is formed in the middle of the magnetic yoke, an encoder area is arranged in the through hole, and the encoder area is circumferentially fixed on the magnetic yoke.
Furthermore, a connecting piece is sleeved in the aluminum friction disc, a through spline groove is formed in the middle of the connecting piece, a step is arranged at one end, close to the armature, of the aluminum friction disc, an avoiding hole is formed in the middle of the armature, and the step extends into the avoiding hole in the middle of the armature.
Furthermore, two brake releasing wrenches are symmetrically distributed on two sides of the encoder area and are fixed on the magnet yoke through two nuts respectively.
Utilize the technical scheme of the utility model a stopper for hauler of preparation, the circular telegram back, on solenoid inhaled armature to the yoke, armature separated aluminium friction disk and motor rear end cap, and the motor normally rotates, and after the stopper outage, solenoid magnetic force disappeared, and the spring bounce drives no asbestos friction disc on armature and the friction disk and closely laminates with the motor rear end cap, realizes the braking. Because the long-time braking friction thickness of the asbestos-free friction plate becomes thinner, the braking gap is increased, the back-and-forth adsorption bounce distance is increased to increase the noise, the distance between the inner shock pad and the armature is adjusted through screwing and loosening of the external adjusting nut, the armature is guaranteed to be firstly attached to the shock pad during the back-suction process, the noise is reduced, the operation is simple and convenient, the manufacturing cost is low, the air gap adjusting operation is simplified, and the service life of the electromagnetic brake is prolonged.
Drawings
Fig. 1 is a sectional view of a brake for a traction machine according to the present invention;
fig. 2 is a front view of a brake for a traction machine according to the present invention;
fig. 3 is a rear view of a brake for a traction machine according to the present invention;
fig. 4 is a partial enlarged view of a brake adjusting structure for a traction machine according to the present invention;
in the figure, 1, an armature; 2. a magnetic yoke; 3. an aluminum friction disk; 4. an electromagnetic coil; 5. a spring mounting cavity; 6. a spring; 7. a working air gap; 8. asbestos-free friction plates; 9. installing a bolt; 10. an adjustment structure; 101. adjusting the screw rod; 102. adjusting the nut; 11. an encoder area; 12. a spline groove; 13. releasing the brake; 14. a first guide hole; 15. positioning the mounting hole; 16. a guide post; 17. a second guide hole; 18. a shock pad; 19. a connecting member; 20. a junction box; 21. and a retainer ring.
Detailed Description
It is right to combine the attached drawing below to describe the utility model specifically, as shown in fig. 1, a stopper for hauler, including armature 1, a side end face of armature 1 is equipped with yoke 2, the opposite side terminal surface of armature 1 is equipped with aluminium friction disc 3, the cover has no asbestos friction disc 8 on the aluminium friction disc 3, 2 inside solenoid 4 that are equipped with of yoke, a plurality of spring installation chambeies 5 have been arranged in the yoke 2, have arranged corresponding spring 6 in every spring installation chamber 5, the both ends of spring 6 are supported respectively armature 1 with on the yoke 2, armature 1 with there is working air gap 7 between the terminal surface in opposite directions of yoke 2, a plurality of mounting bolt 9 and the regulation structure 10 that are the circumference and distribute have been arranged on 2 terminal surfaces of yoke. After the power is switched on, the electromagnetic coil 4 generates a magnetic field, the armature 1 is attracted by the magnetic yoke 2, the armature 1 separates the aluminum friction disc 3 from the rear end cover of the motor, the motor normally rotates at the moment, after the brake is powered off, the magnetic force of the electromagnetic coil 4 disappears, the spring 6 bounces to drive the armature 1 and the aluminum friction disc 3 to be attached to the rear end cover of the motor, and the asbestos-free friction disc 8 and the rear end cover of the motor rub with each other to realize braking.
As shown in fig. 1-2, a through hole is formed in the middle of the magnetic yoke 2, an encoder region 11 is formed in the through hole, and the encoder region 11 is circumferentially fixed on the magnetic yoke 2. The encoder can convert the angular displacement or the linear displacement into an electric signal and transmit the electric signal to the brake.
As shown in fig. 1, a connecting piece 19 is arranged in the aluminum friction disc 3, a through spline groove 12 is arranged in the middle of the connecting piece 19, a step is arranged at one end, close to the armature 1, of the aluminum friction disc 3, an avoiding hole is arranged in the middle of the armature 1, the step extends into the avoiding hole in the middle of the armature 1, and a junction box 20 is arranged on the periphery of the armature 1. The aluminum friction disc 3 is connected with a motor shaft through a connecting piece 19, the motor shaft is connected with the connecting piece 19 through a spline, when the motor is powered on, the aluminum friction disc 3 is connected with the motor shaft through the connecting piece 19 and rotates along with the motor shaft, and during braking, the armature 2 presses the aluminum friction disc 3 and drives the asbestos-free friction disc 8 to be attached to a rear end cover of the motor to perform friction braking.
As shown in fig. 2, two brake release wrenches 13 are symmetrically distributed on both sides of the encoder area 11, and the brake release wrenches 13 are respectively fixed on the yoke 2 by two nuts. When manual brake release is needed, the brake release wrench 13 drives the brake release arm to rotate through the wrench part, so that the magnet yoke 2 drives the asbestos-free friction plate 8 to be separated from the corresponding end face of the rear cover of the motor, and a brake release state is formed.
As shown in fig. 1 and 3, axially penetrating guide holes 14 are uniformly distributed on the outer periphery of the end face of the magnetic yoke 2 in a circumferential manner, positioning mounting holes 15 are correspondingly formed in the positions, corresponding to the guide holes 14, of the armature 1, guide posts 16 are inserted into the guide holes 14, the length of each guide post 16 is greater than the thickness of the magnetic yoke 2, and the mounting bolts 9 penetrate through the positioning mounting holes 15 and the guide posts 16. As shown in fig. 4, the adjusting structure 10 mainly includes an adjusting screw 101 and an adjusting nut 102, the outer peripheral portion of the end face of the magnetic yoke 2 is circumferentially and uniformly distributed with a second guide hole 17 which axially penetrates through the outer peripheral portion, the second guide hole 17 is internally threaded, a step hole is formed in one side, close to the armature 1, of the second guide hole 17, a shock absorbing pad 18 is installed in the step hole, one end of the shock absorbing pad 18 abuts against the armature 1, the other end of the shock absorbing pad abuts against a retainer ring 21, the adjusting screw 101 penetrates through the second guide hole 17 and abuts against the retainer ring 21, and the adjusting nut 102 is sleeved on the adjusting screw 101. The mounting bolts 9 and the adjusting structure 10 are distributed in a crossed manner. The friction thickness of the asbestos-free friction plate 8 during long-time braking is thinned, the working air gap 7 is increased, the armature 1 repeatedly adsorbs and bounces to increase the distance, so that noise is increased, the adjusting screw 101 is installed into the second guide hole 17 through a wrench, the adjusting nut 102 is screwed on the adjusting screw 101, the distance between the inner shock pad 18 and the armature 1 is adjusted through screwing the adjusting nut 102, and the armature 1 is guaranteed to be attached to the shock pad 18 firstly during sucking back.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (6)
1. The brake for the traction machine is characterized by comprising an armature (1), wherein a magnetic yoke (2) is arranged on one side end face of the armature (1), an aluminum friction disc (3) is arranged on the end face of the other side of the armature iron (1), a non-asbestos friction disc (8) is sleeved on the aluminum friction disc (3), an electromagnetic coil (4) is arranged in the magnet yoke (2), a plurality of spring installation cavities (5) are arranged in the magnet yoke (2), a corresponding spring (6) is arranged in each spring installation cavity (5), two ends of the spring (6) respectively abut against the armature (1) and the magnetic yoke (2), a working air gap (7) is arranged between the opposite end surfaces of the armature (1) and the magnetic yoke (2), a plurality of mounting bolts (9) and adjusting structures (10) which are distributed in a circumferential manner are arranged on the end surface of the magnetic yoke (2), the mounting bolts (9) and the adjusting structures (10) are distributed in a crossed mode.
2. The brake for the traction machine is characterized in that a first guide hole (14) axially penetrating is uniformly distributed on the periphery of the end face of the magnetic yoke (2), a positioning and mounting hole (15) is correspondingly arranged at the position, corresponding to the first guide hole (14), of the armature (1), a guide post (16) is inserted into the first guide hole (14), the length of the guide post (16) is greater than the thickness of the magnetic yoke (2), and the mounting bolt (9) penetrates through the positioning and mounting hole (15) and the guide post (16).
3. The brake for the traction machine is characterized in that the adjusting structure (10) mainly comprises an adjusting screw rod (101) and an adjusting nut (102), the outer peripheral part of the end face of the magnetic yoke (2) is circumferentially and uniformly provided with a second axially-penetrating guide hole (17), the inner part of the second guide hole (17) is provided with threads, one side, close to the armature (1), of the second guide hole (17) is provided with a stepped hole, a shock absorption pad (18) is arranged in the stepped hole, one end of the shock absorption pad (18) abuts against the armature (1), the other end of the shock absorption pad abuts against a retainer ring (21), the adjusting screw rod (101) penetrates through the second guide hole (17) and abuts against the retainer ring (21), and the adjusting nut (102) is sleeved on the adjusting screw rod (101).
4. The brake for the traction machine according to claim 1, wherein the yoke (2) is provided with a through hole at a middle position, an encoder area (11) is arranged in the through hole, and the encoder area (11) is circumferentially fixed on the yoke (2).
5. The brake for the traction machine is characterized in that a connecting piece (19) is sleeved in the aluminum friction disc (3), a through spline groove (12) is formed in the middle of the connecting piece (19), a step is arranged at one end, close to the armature (1), of the aluminum friction disc (3), an avoiding hole is formed in the middle of the armature (1), and the step extends into the avoiding hole in the middle of the armature (1).
6. The brake for the traction machine according to claim 4, wherein two brake release wrenches (13) are symmetrically distributed on two sides of the encoder area (11), and the brake release wrenches (13) are respectively fixed on the magnet yoke (2) by two nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869005.2U CN211283318U (en) | 2019-11-01 | 2019-11-01 | Brake for traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869005.2U CN211283318U (en) | 2019-11-01 | 2019-11-01 | Brake for traction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211283318U true CN211283318U (en) | 2020-08-18 |
Family
ID=72018549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921869005.2U Active CN211283318U (en) | 2019-11-01 | 2019-11-01 | Brake for traction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211283318U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228479A (en) * | 2020-10-26 | 2021-01-15 | 上海三菱电梯有限公司 | Brake for elevator traction machine and implementation method thereof |
| CN112943824A (en) * | 2021-04-07 | 2021-06-11 | 浙江弗尔德驱动科技有限公司 | Brake of integrated multi-point braking heavy-load elevator tractor |
| CN113685465A (en) * | 2021-09-18 | 2021-11-23 | 奥创动力传动(深圳)有限公司 | Brake |
| CN115217868A (en) * | 2022-06-07 | 2022-10-21 | 深圳市同川科技有限公司 | Electromagnetic brake and robot |
-
2019
- 2019-11-01 CN CN201921869005.2U patent/CN211283318U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228479A (en) * | 2020-10-26 | 2021-01-15 | 上海三菱电梯有限公司 | Brake for elevator traction machine and implementation method thereof |
| CN112228479B (en) * | 2020-10-26 | 2023-02-03 | 上海三菱电梯有限公司 | Brake for elevator traction machine and implementation method thereof |
| CN112943824A (en) * | 2021-04-07 | 2021-06-11 | 浙江弗尔德驱动科技有限公司 | Brake of integrated multi-point braking heavy-load elevator tractor |
| CN113685465A (en) * | 2021-09-18 | 2021-11-23 | 奥创动力传动(深圳)有限公司 | Brake |
| CN113685465B (en) * | 2021-09-18 | 2022-03-01 | 奥创动力传动(深圳)有限公司 | Brake |
| CN115217868A (en) * | 2022-06-07 | 2022-10-21 | 深圳市同川科技有限公司 | Electromagnetic brake and robot |
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