CN220689983U - Brake wheel diameter measuring device of elevator drum brake - Google Patents
Brake wheel diameter measuring device of elevator drum brake Download PDFInfo
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- CN220689983U CN220689983U CN202420374485.XU CN202420374485U CN220689983U CN 220689983 U CN220689983 U CN 220689983U CN 202420374485 U CN202420374485 U CN 202420374485U CN 220689983 U CN220689983 U CN 220689983U
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- 238000005259 measurement Methods 0.000 claims abstract description 28
- 239000000523 sample Substances 0.000 claims abstract description 23
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model relates to the technical field of measurement, in particular to a brake wheel diameter measuring device of an elevator drum brake, which comprises a mounting seat, an electromagnet part, a brake arm part and a brake shoe, wherein a measuring part is arranged at the bottom of the mounting seat and comprises a base and a measuring probe, the base is connected to the mounting seat, the measuring probe is vertically arranged, the central axis of the measuring probe coincides with the diameter of a traction motor brake wheel perpendicular to the mounting seat, the measuring probe comprises a sleeve section and a measuring section, the sleeve section is connected with the base, the measuring section is in telescopic friction connection fit with the sleeve section, a scale mark is arranged on the measuring section, and the scale mark is used for measuring the length of the measuring section extending from the sleeve section. According to the utility model, the measuring part is arranged to measure the linear length of the friction surface of the traction motor brake wheel from the mounting seat, so that the obstruction of the parts of the traction motor to the measuring operation is avoided, the measuring accuracy is ensured, and the potential safety hazard in the operation of the elevator is reduced.
Description
Technical Field
The utility model relates to the technical field of measurement, in particular to a brake wheel diameter measuring device of an elevator drum brake.
Background
Elevator safety has been a focus of attention as the most important vertical vehicle in high-rise buildings. The elevator brake is an important part of the elevator, and can ensure that the elevator can stably stop at a designated position when the elevator stops running, so as to prevent accidents caused by braking failure.
The working principle of the elevator brake is mainly to realize the braking of the elevator by controlling electromagnetic force by utilizing the electromagnetic induction principle. The elevator brake generally comprises an electromagnet, a pressure spring, a brake block, a brake drum and other parts. When the elevator needs to be braked, the control system can send a signal to the elevator brake, and the elevator brake can generate magnetic force through electromagnetic induction, so that the brake block is stressed, the brake drum is clamped, and the braking effect is achieved.
In use of the elevator brake the brake pads and the brake drums will wear gradually, which can affect the safe operation of the elevator if the brake pads and the brake drums cannot be replaced before they reach their maximum service life. Therefore, in the daily maintenance of the elevator, the monitoring of the wear conditions of the brake blocks and the brake drums is an important work point for ensuring the safe operation of the elevator.
In the prior art, a measuring ruler is generally adopted to directly measure the diameter of the brake drum, and then the diameter values of the brake drum in different running periods are compared, so that the abrasion condition of the brake drum and the residual practical service life of the brake drum are judged. However, in the prior art, the brake drum and the traction motor are generally arranged in an integrated structure, when in measurement operation, the parts of the traction motor can be close to the drum to block the measuring ruler, so that the finally measured diameter data have larger deviation, the accuracy of the brake drum in the process of estimating the service life of the brake drum is further reduced, and the potential safety hazard in the operation of the elevator is increased.
Therefore, how to improve the accuracy of measurement when measuring the diameter of the brake drum is a technical problem to be solved in the prior art.
Disclosure of Invention
The utility model aims at: the brake drum is generally arranged with the traction motor in an integrated structure, when in measurement operation, parts of the traction motor can be close to the drum to prevent the measuring ruler from approaching to the drum, so that larger deviation exists in final measured diameter data, accuracy of the brake drum is further reduced when the service life of the brake drum is estimated, the potential safety hazard problem in elevator operation is increased, and the brake wheel diameter measuring device of the elevator drum brake is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a brake wheel diameter measurement device of elevator drum brake, includes mount pad, electro-magnet part, braking arm part and brake shoe, the mount pad sets up in the frame of traction motor, electro-magnet part sets up on the mount pad, the braking shoe sets up on the braking arm part, braking arm part one end with traction motor's frame is connected, the other end with electro-magnet part is connected, electro-magnet part is used for control braking arm part action makes braking shoe laminating traction motor's brake wheel, perhaps makes braking shoe and traction motor's brake wheel separation, the bottom of mount pad still is provided with measuring part, measuring part includes base and measuring probe, the base is connected on the mount pad, measuring probe vertical setting, just measuring probe's center pin with traction motor brake wheel is perpendicular to the diameter coincidence of mount pad, measuring probe includes sleeve section and measuring section, the sleeve section with be connected with be telescopic friction connection cooperation between the sleeve section, measuring section can stretch out the motor when stretching out the face with traction motor, measuring section is used for stretching out the length from the measuring section the scale mark is still set up.
Preferably, a pushing spring is arranged in the sleeve section, the measuring section is connected with the pushing spring, and the pushing spring is used for continuously applying a pushing force to the measuring section in a direction deviating from the installation seat.
Preferably, the measuring part further comprises a cover sleeve in threaded connection with the sleeve section, the cover sleeve being adapted to form a closed environment for the sleeve section.
Preferably, a flexible cushion layer is provided on the inner wall of the sleeve segment.
Preferably, the end of the measuring section is provided with a contact block, which is provided in a spherical structure.
Preferably, the contact block is detachably connected with the measuring section.
Preferably, the measuring component is detachably connected and matched with the mounting seat.
Preferably, a magnet is arranged on the base, and/or a magnet is arranged on the mounting seat, and the measuring component is connected with the mounting seat by utilizing the magnetic attraction force of the magnet.
Preferably, a positioning groove is formed in the mounting seat and attached to the base, and the size of the positioning groove is matched with that of the base.
Preferably, the mounting seat is further provided with a cover plate, and the cover plate is used for closing the positioning groove.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the brake wheel diameter measuring device of the elevator drum brake, provided by the utility model, the measuring part is arranged to measure the linear length of the friction surface of the brake wheel of the traction motor from the mounting seat, so that the obstruction of the parts of the traction motor to the measuring operation is avoided, the measuring accuracy is ensured, and the potential safety hazard in the operation of the elevator is reduced. In addition, in the embodiment, the measuring device is connected to the mounting seat for use, so that the central shaft of the measuring probe can be ensured to be completely overlapped with the diameter of the traction motor brake wheel perpendicular to the mounting seat, and the measuring accuracy is further improved; on the other hand, the measuring device provided in the embodiment is simple to operate in actual use, and the practicability of the utility model in actual use is improved;
2. the utility model discloses a brake wheel diameter measuring device of an elevator drum brake, which is characterized in that the measuring part further comprises a cover sleeve, wherein the cover sleeve is in threaded connection with the sleeve section, and the cover sleeve is used for enabling the sleeve section to form a closed environment. By adopting the structure, the pollution of the measuring section is avoided, and the measuring precision of the measuring device is ensured; meanwhile, by adopting the structure, the service life of the measuring probe can be prolonged to a certain extent;
3. the utility model relates to a brake wheel diameter measuring device of an elevator drum brake, wherein a magnet is arranged on a base, and/or a magnet is arranged on a mounting seat, and a measuring part is connected with the mounting seat by utilizing the magnetic attraction force of the magnet. With this structural arrangement, the convenience of mounting/dismounting of the measuring member is improved. Further, a positioning groove is formed in the mounting seat and attached to the base, and the size of the positioning groove is matched with that of the base. The setting of constant head tank can ensure after the measurement part installs, the center pin of measurement probe with traction motor brake wheel perpendicular to the diameter of mount pad coincides completely to measurement accuracy has still further been improved.
Drawings
Fig. 1 is a schematic structural view of a brake wheel diameter measuring apparatus of an elevator drum brake;
FIG. 2 is a schematic cross-sectional structure of a measuring part;
FIG. 3 is a schematic cross-sectional view of a cover sleeve;
fig. 4 is a schematic structural view of the cover plate closing positioning groove.
The marks in the figure: the device comprises a mounting seat, a 2-electromagnet part, a 3-braking arm part, a 4-braking shoe, a 5-measuring part, a 6-base, a 7-measuring probe, an 8-sleeve section, a 9-measuring section, a 10-scale mark, a 11-pushing spring, a 12-cover sleeve, a 13-flexible cushion layer, a 14-contact block, a 15-positioning groove and a 16-cover plate.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some 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.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 and 2, the brake wheel diameter measuring device of the elevator drum brake comprises a mounting seat 1, an electromagnet part 2, a brake arm part 3 and a brake shoe 4, wherein the mounting seat 1 is arranged on a rack of a traction motor, the electromagnet part 2 is arranged on the mounting seat 1, the brake shoe 4 is arranged on the brake arm part 3, one end of the brake arm part 3 is connected with the rack of the traction motor, the other end of the brake arm part is connected with the electromagnet part 2, the electromagnet part 2 is used for controlling the brake arm part 3 to act so as to enable the brake shoe 4 to be attached to a brake wheel of the traction motor, or enable the brake shoe 4 to be separated from the brake wheel of the traction motor, a measuring part 5 is further arranged at the bottom of the mounting seat 1, the measuring part 5 comprises a base 6 and a measuring probe 7, the base 6 is connected to the mounting seat 1, a central shaft of the measuring probe 7 is vertically arranged on the rack of the mounting seat 1 and is perpendicular to the brake wheel of the traction motor, the measuring probe 7 comprises a sleeve section 8 and a measuring sleeve section 9, the measuring sleeve section 8 is connected with the measuring sleeve section 10 in a friction mark section 10 which is connected with the measuring section and can extend out of the measuring sleeve section 9, and the measuring section is in a friction section 10 is in a matched state.
By adopting the brake wheel diameter measuring device of the elevator drum brake, provided by the utility model, the linear length of the friction surface of the brake wheel of the traction motor from the mounting seat 1 is measured by the measuring component 5, so that the obstruction of the parts of the traction motor to the measuring operation is avoided, the measuring accuracy is ensured, and the potential safety hazard in the operation of the elevator is reduced. In addition, in this embodiment, the measuring device is connected to the mounting base 1 for use, so that the central axis of the measuring probe 7 can be ensured to be completely overlapped with the diameter of the traction motor brake wheel perpendicular to the mounting base 1, thereby further improving the accuracy of measurement; on the other hand, the measuring device provided in the embodiment is simple to operate in actual use, and the practicability of the utility model in actual use is improved.
Specifically, in the present embodiment, the principle of the measuring part 5 for measuring the diameter of the brake wheel of the traction motor is: the diameter data of the brake wheel of the traction motor can be accurately known in a brand new delivery state; the diameter of the brake wheel of the traction motor is gradually reduced along with the increase of the service time, and the linear distance between the friction surface of the brake wheel of the traction motor and the mounting seat 1 is also changed along with the increase of the service time; by utilizing the rule, the diameter data of the traction motor brake wheel can be obtained through corresponding conversion after the measurement probe 7 is arranged to measure the linear length of the friction surface of the traction motor brake wheel from the mounting seat 1.
When the measuring part 5 is used, the measuring section 9 is pulled out of the sleeve section 8, so that the end part of the measuring section 9 is abutted against the friction surface of the braking wheel of the traction motor, the length of the measuring section 9 extending out of the sleeve section 8 is read at the moment, the length of the sleeve section 8 and the thickness data of the base 6 are added, the linear length of the friction surface of the braking wheel of the traction motor from the mounting seat 1 is obtained, and the diameter data of the braking wheel of the traction motor can be accurately obtained through corresponding conversion.
In the above manner, a pushing spring 11 is further disposed in the sleeve section 8, the measuring section 9 is connected with the pushing spring 11, and the pushing spring 11 is used for continuously applying a pushing force to the measuring section 9 in a direction away from the mounting seat 1.
In this embodiment, the pushing spring 11 is provided to improve the tightness of the fitting between the end of the measuring section 9 and the friction surface of the braking wheel of the traction motor, so as to further improve the accuracy of measuring the diameter of the braking wheel of the traction motor.
Example 2
As shown in fig. 1 to 3, the brake wheel diameter measuring device of an elevator drum brake according to the present utility model further comprises a cover 12, wherein the cover 12 is in threaded connection with the sleeve section 8, and the cover 12 is used for forming a closed environment for the sleeve section 8.
In particular, in this embodiment, when the measuring member 5 is not in use, the measuring section 9 is retracted into the sleeve section 8 and the opening of the sleeve section 8 is closed using the cover 12. In this way, a closed environment is formed in the sleeve section 8, so that the pollution of the measuring section 9 is avoided, and the measuring precision of the measuring device in the utility model is ensured; at the same time, with this structural arrangement, the service life of the measuring probe 7 can also be prolonged to a certain extent.
As a preferred embodiment, further on the basis of the above-described manner, a flexible cushion layer 13 is provided on the inner wall of the sleeve section 8.
Specifically, the flexible cushion layer 13 in this embodiment is made of a rubber material or a sponge material; with this structural arrangement, wear caused by contact of the measuring section 9 with the inner wall of the sleeve section 8 can be avoided, thereby further ensuring the measuring accuracy of the measuring device in the present utility model.
Example 3
As shown in fig. 2, in the brake wheel diameter measuring apparatus for an elevator drum brake according to the present utility model, further, on the basis of the above-described manner, the end of the measuring section 9 is provided with a contact block 14, and the contact block 14 is provided in a spherical structure. With this structural arrangement, the measurement accuracy of the measurement device of the present utility model can be further improved.
As a preferred embodiment, further on the basis of the above manner, the contact block 14 is detachably connected and matched with the measuring section 9. With this structural arrangement, the contact block 14 is easy to replace when worn, further improving the practical applicability of the utility model in practical use.
Example 4
As shown in fig. 1 to 4, according to the brake wheel diameter measuring apparatus for an elevator drum brake of the present utility model, on the basis of the above-mentioned manner, the measuring member 5 is detachably connected to the mounting base 1. With this structural arrangement, the measuring member 5 can be further protected from vibration generated when the traction motor is operated, damaging the measuring member 5, and the measuring accuracy of the measuring apparatus of the present utility model can be further ensured.
In a preferred embodiment, based on the above mode, a magnet is further provided on the base 6, and/or a magnet is provided on the mounting base 1, and the measuring member 5 is connected to the mounting base 1 by using magnetic attraction force of the magnet. With this structural arrangement, the convenience of mounting/dismounting of the measuring member 5 is improved.
In a preferred embodiment, in addition to the above mode, a positioning groove 15 is further provided on the mounting base 1 at a position where the mounting base is attached to the base 6, and the size of the positioning groove 15 matches the size of the base 6.
In this embodiment, the positioning groove 15 may ensure that the central axis of the measurement probe 7 and the diameter of the traction motor brake wheel perpendicular to the mounting base 1 completely coincide after the measurement component 5 is mounted, thereby further improving the accuracy of measurement.
As a preferred embodiment, further, a cover plate 16 is further provided on the mounting base 1, and the cover plate 16 is used for closing the positioning groove 15.
Specifically, in this embodiment, the cover plate 16 covers the opening of the positioning slot 15 by using the magnetic attraction force of the magnet. The positioning groove 15 can be closed by the cover plate 16, so that the positioning groove 15 is prevented from being polluted, the base 6 can be well embedded into the positioning groove 15, and the measuring accuracy is further improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a brake wheel diameter measurement device of elevator drum brake, its characterized in that includes mount pad, electro-magnet part, brake arm part and brake shoe, the mount pad sets up in the frame of traction motor, electro-magnet part sets up on the mount pad, the brake shoe sets up on the brake arm part, brake arm part one end with traction motor's frame is connected, the other end with electro-magnet part is connected, electro-magnet part is used for control braking arm part action makes brake shoe laminating traction motor's brake wheel, perhaps makes brake shoe and traction motor's brake wheel separation, the bottom of mount pad still is provided with measuring part, measuring part includes base and measuring probe, the base is connected on the mount pad, measuring probe vertical setting, just measuring probe's center pin with traction motor brake wheel is perpendicular to the diameter coincidence of mount pad, measuring probe includes sleeve section and measuring section, the sleeve section with be connected with be telescopic friction connection cooperation between the sleeve section, the measuring section with the friction connection cooperation is used for stretching out in the measuring section when stretching out the measuring section and stretching out the section is used for the scale mark is set up in the measuring section.
2. The brake wheel diameter measurement device of an elevator drum brake according to claim 1, wherein a pushing spring is provided in the sleeve section, the measurement section is connected with the pushing spring, and the pushing spring is used for continuously applying a pushing force to the measurement section in a direction away from the mounting seat.
3. The brake wheel diameter measurement device of an elevator drum brake according to claim 2, wherein the measurement member further comprises a cover sleeve threadedly coupled to the sleeve segment, the cover sleeve adapted to form a closed environment with the sleeve segment.
4. A brake wheel diameter measuring apparatus of an elevator drum brake according to claim 3, characterized in that a flexible cushion layer is provided on the inner wall of the sleeve section.
5. The brake wheel diameter measuring apparatus of an elevator drum brake according to claim 4, wherein an end of the measuring section is provided with a contact block, the contact block being provided in a spherical structure.
6. The brake wheel diameter measurement device of an elevator drum brake of claim 5, wherein the contact block is removably coupled to the measurement section.
7. The brake wheel diameter measurement device of an elevator drum brake according to any one of claims 1-6, wherein the measurement member is detachably coupled to the mounting base.
8. The brake wheel diameter measurement device of an elevator drum brake according to claim 6, wherein a magnet is provided on the base, and/or a magnet is provided on the mount, and the measurement member is connected to the mount by magnetic attraction force of the magnet.
9. The brake wheel diameter measuring apparatus of an elevator drum brake according to claim 8, wherein a positioning groove is provided in a portion of the mounting base that is attached to the base, and a size of the positioning groove matches a size of the base.
10. The brake wheel diameter measuring apparatus of an elevator drum brake according to claim 9, wherein a cover plate for closing the positioning groove is further provided on the mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420374485.XU CN220689983U (en) | 2024-02-28 | 2024-02-28 | Brake wheel diameter measuring device of elevator drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420374485.XU CN220689983U (en) | 2024-02-28 | 2024-02-28 | Brake wheel diameter measuring device of elevator drum brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220689983U true CN220689983U (en) | 2024-03-29 |
Family
ID=90376355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420374485.XU Active CN220689983U (en) | 2024-02-28 | 2024-02-28 | Brake wheel diameter measuring device of elevator drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220689983U (en) |
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2024
- 2024-02-28 CN CN202420374485.XU patent/CN220689983U/en active Active
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