CN219708804U - Elevator braking ability detects appurtenance - Google Patents
Elevator braking ability detects appurtenance Download PDFInfo
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- CN219708804U CN219708804U CN202320964192.2U CN202320964192U CN219708804U CN 219708804 U CN219708804 U CN 219708804U CN 202320964192 U CN202320964192 U CN 202320964192U CN 219708804 U CN219708804 U CN 219708804U
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- 238000001514 detection method Methods 0.000 claims abstract description 18
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- 238000005259 measurement Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- 238000011897 real-time detection Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of elevator brake detection equipment, in particular to an elevator brake capacity detection auxiliary tool; the method can detect the descending distance in the elevator braking process in real time, acquire more accurate elevator braking distance data and improve the detection accuracy; the device comprises a mounting seat, a transmission plate hinged on the mounting seat and a feeding seat slidably mounted on the mounting seat, wherein a driving column is fixedly mounted on the transmission plate, an arc-shaped groove matched with the driving column is formed in the feeding seat, and the driving column is slidably mounted in the arc-shaped groove; the feeding seat is provided with a channel for allowing the elevator hoisting rope to pass through, the feeding seat is rotatably provided with a driving wheel, and the feeding seat is provided with a distance measuring component for measuring the rotation stroke of the driving wheel; the distance measuring assembly comprises a travel wheel fixedly arranged on the driving wheel, a laser transmitter and a laser receiver fixedly arranged on the feeding seat, and a through hole penetrating along the diameter direction of the travel wheel is formed in the travel wheel.
Description
Technical Field
The utility model relates to the technical field of elevator brake detection equipment, in particular to an auxiliary tool for detecting elevator brake capacity.
Background
As is well known, elevators are widely used in various industries, particularly vertical type elevator elevators, and have been widely used in high-rise buildings; along with the wide application of vertical elevator, the safety performance of the elevator is more and more important, and the braking capability of the elevator is one of important detection items, and the braking capability of the elevator directly influences the quality of the elevator, so that the detection of the braking capability of the factory elevator is needed.
As disclosed in chinese patent publication No. CN217867566U, an elevator brake detection device comprises a housing, the outer edge of the housing is provided with a groove, the inner wall of the groove is provided with a circular groove, the inner wall of the circular groove is fixedly equipped with a motor, the outer edge of the output shaft of the motor is fixedly equipped with a rotating rod, the outer edge of the rotating rod is rotationally sleeved with a connecting plate, the outer edge of the connecting plate is provided with a first square groove, the outer edge of the first square groove is fixedly equipped with a cross rod, the outer edge of the cross rod is rotationally sleeved with a pulley, the inner wall of the first square groove is provided with a fixed groove, the inner wall of the fixed groove is fixedly equipped with a vector speed sensor, the elevator brake is favorably detected through the cooperation of the pulley and the vector speed sensor, the normal use of an elevator is favorably ensured, the generation of elevator accidents is reduced, the detection device is favorably fixed through the cooperation of a threaded rod and a latch, and thus the device can effectively operate.
However, when the present inventors embodied this device, the following drawbacks were found to exist: although it plays certain detection effect to elevator braking, it can't reflect the braking ability of elevator with actual data, and the accuracy of detection needs to be further improved.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an elevator braking capability detection auxiliary tool for detecting the descending distance in the elevator braking process in real time, acquiring more accurate elevator braking distance data and improving the detection accuracy.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the auxiliary tool for detecting the elevator braking capability comprises a mounting seat, a transmission plate hinged to the mounting seat and a feeding seat slidably mounted on the mounting seat, wherein a driving column is fixedly mounted on the transmission plate, an arc-shaped groove matched with the driving column is formed in the feeding seat, and the driving column is slidably mounted in the arc-shaped groove; the feeding seat is provided with a channel for allowing the elevator hoisting rope to pass through, the feeding seat is rotatably provided with a driving wheel, and the feeding seat is provided with a distance measuring component for measuring the rotation stroke of the driving wheel; further, the transmission plate is hinged with the mounting seat through a hinge shaft and is in transmission connection with an external elevator brake; the mounting seat is provided with a chute, and the feeding seat is slidably arranged in the chute; the distance measuring component can adopt a mechanical revolution counter and can also adopt other equivalent components with the effect of measuring the rotation stroke of the driving wheel.
Preferably, the distance measuring assembly comprises a travel wheel fixedly arranged on the driving wheel, a laser transmitter and a laser receiver fixedly arranged on the feeding seat, and a through hole penetrating along the diameter direction of the travel wheel is formed in the travel wheel; further, laser light emitted by the laser transmitter can pass through the through hole to reach the laser receiver, and the outer circumference of the stroke wheel is of a known length.
Preferably, the number of the through holes is greater than or equal to 4 groups.
Preferably, the transmission plate further comprises a first spring, and the transmission plate is elastically connected with the mounting seat through the first spring; further, one end of the first spring is connected with the mounting seat, and the other end of the first spring is connected with the transmission plate.
Preferably, the mounting seat is provided with a limiting jackscrew in a threaded manner, a second spring is sleeved at the limiting jackscrew, and the limiting jackscrew is elastically connected with the mounting seat through the second spring.
Preferably, the stroke wheel is provided with scale marks which are correspondingly arranged with the through holes, and the feeding seat is provided with a pointer which is perpendicular to the connecting line of the central axes of the laser transmitter and the laser receiver.
Preferably, the outer wall of the driving wheel is provided with a non-slip protrusion.
(III) beneficial effects
Compared with the prior art, the utility model provides an auxiliary tool for detecting the braking capability of an elevator, which has the following beneficial effects: this elevator braking ability detects appurtenance installs the mount pad in the department that approaches elevator brake, elevator brake is connected with the drive plate transmission, elevator haulage rope passes from the passageway in, when elevator brake action, the drive plate drives the actuating post and removes, the feed seat drives the drive wheel and is close to elevator haulage rope department, drive wheel and elevator haulage rope in close contact with, the drive wheel follows elevator traction sheave and rotates, measure the rotation stroke of drive wheel through range finding subassembly, thereby obtain the decline distance of elevator braking in-process, the decline distance of real-time detection elevator braking in-process acquires more accurate elevator braking distance data, the detection accuracy is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the front view of the present utility model;
FIG. 3 is a schematic rear view of the present utility model;
FIG. 4 is a left side schematic view of the present utility model;
FIG. 5 is a schematic view of the cross-sectional structure of FIG. 4 at A-A in accordance with the present utility model;
the reference numerals in the drawings: 1. a mounting base; 2. a drive plate; 3. a feeding seat; 4. a drive column; 5. an arc-shaped groove; 6. a channel; 7. a driving wheel; 8. a travel wheel; 9. a laser emitter; 10. a laser receiver; 11. a through hole; 12. a first spring; 13. limiting jackscrews; 14. a second spring; 15. scale marks; 16. a pointer; 17. a non-slip bump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-5, the auxiliary tool for detecting the braking capability of an elevator of the utility model comprises a mounting seat 1, a transmission plate 2 hinged on the mounting seat 1 and a feeding seat 3 slidably mounted on the mounting seat 1, wherein a driving column 4 is fixedly mounted on the transmission plate 2, an arc-shaped groove 5 matched with the driving column 4 is arranged on the feeding seat 3, and the driving column 4 is slidably mounted in the arc-shaped groove 5; the feeding seat 3 is provided with a channel 6 for allowing the elevator hoisting rope to pass through, the feeding seat 3 is rotatably provided with a driving wheel 7, and the feeding seat 3 is provided with a distance measuring component for measuring the rotation stroke of the driving wheel 7; further, the transmission plate 2 is hinged with the mounting seat 1 through a hinge shaft, and the transmission plate 2 is in transmission connection with an external elevator brake; the mounting seat 1 is provided with a chute, and the feeding seat 3 is slidably arranged in the chute; the distance measuring component can adopt a mechanical revolution counter, and can also adopt other equivalent components with the effect of measuring the rotation stroke of the driving wheel 7; the outer circumference of the driving wheel 7 is known in size, namely, the outer circumference of the driving wheel 7 adopts a fixed set value, the number of revolutions of the driving wheel 7 is read through a mechanical revolution counter, and the number of revolutions multiplied by the circumference of the driving wheel 7 is the descending distance in the elevator braking process; further, the channel 6 is matched with the outer diameter of the elevator traction rope, and the size of the channel 6 is slightly larger than that of the elevator traction rope, so that interference of the feeding seat 3 on normal operation of the traction rope is avoided.
Specifically, the distance measuring assembly comprises a travel wheel 8 fixedly arranged on the driving wheel 7, a laser transmitter 9 and a laser receiver 10 fixedly arranged on the feeding seat 3, and a through hole 11 penetrating along the diameter direction of the travel wheel 8 is formed in the travel wheel 8; further, the laser emitted by the laser emitter 9 can pass through the through hole 11 to reach the laser receiver 10, and the outer circumference of the stroke wheel 8 has a known length; when the driving wheel 7 drives the travel wheel 8 to rotate, the travel wheel 8 blocks the laser until the laser passes through the next through hole 11, the laser receiver 10 counts the receiving frequency of the laser and remotely transmits the frequency to an external processor and a display, and the travel wheel 8 follows the elevator traction rope to synchronously rotate by dividing the circumferential length of the travel wheel 8 by the number of the through holes 11 and multiplying the frequency measured by the laser receiver 10 to obtain the descending distance of the elevator traction rope in the elevator braking process.
Specifically, the number of through holes 11 is 4 or more; the number of the through holes 11 is multiple groups, preferably even and can be divided by 360 degrees, through the arrangement of the through holes 11, when the driving wheel 7 does not rotate for one circle, the rotating stroke of the stroke wheel 8 can be accurately measured, and the more the number of the through holes 11 is, the more accurate the distance for measuring the brake descending of the elevator is, so that the accuracy of the detection of the brake capacity of the elevator is further ensured.
Specifically, the device also comprises a first spring 12, and the transmission plate 2 is elastically connected with the mounting seat 1 through the first spring 12; further, one end of the first spring 12 is connected with the mounting seat 1, and the other end of the first spring 12 is connected with the transmission plate 2; the first spring 12 can promote the automatic reset of the transmission plate 2 in the non-stressed state of the transmission plate 2, so that the feeding seat 3 is reset, the automatic separation of the driving wheel 7 and the elevator traction rope is realized, the manual intervention is not needed, and the use convenience of the auxiliary tool is improved.
Specifically, a limiting jackscrew 13 is screwed on the mounting seat 1, a second spring 14 is sleeved at the limiting jackscrew 13, and the limiting jackscrew 13 is elastically connected with the mounting seat 1 through the second spring 14; through spacing jackscrew 13, carry out spacing to the feeding travel distance of feeding seat 3, prevent that feeding seat 3 from excessively shifting, avoid feeding seat 3 to cause the interference to the normal movement of elevator haulage rope.
Specifically, the stroke wheel 8 is provided with scale marks 15 which are arranged corresponding to the through holes 11, and the feeding seat 3 is provided with a pointer 16 which is perpendicular to the central axis connecting line of the laser emitter 9 and the laser receiver 10; in the initial state, the zero graduation line 15 on the stroke wheel 8 is aligned with the pointer 16, and at the moment, the laser emitted by the laser emitter 9 just passes through one group of through holes 11 and is received by the laser receiver 10, so that the initial rotation position of the stroke wheel 8 is limited, and the measurement accuracy of the rotation stroke of the stroke wheel 8 is ensured.
Specifically, the outer wall of the driving wheel 7 is provided with a non-slip bulge 17; through the anti-slip bulge 17, the friction force between the driving wheel 7 and the elevator traction rope can be increased, so that the driving wheel 7 and the elevator traction rope can be guaranteed to synchronously rotate, slipping between the driving wheel 7 and the elevator traction rope is avoided, and the accuracy of elevator braking distance measurement is further guaranteed.
When the elevator braking force measuring device is used, the mounting seat 1 is fixedly arranged at an external elevator brake, the elevator brake is in transmission connection with the transmission plate 2, an elevator traction rope passes through the channel 6, when the elevator brake acts, the transmission plate 2 acts, the driving column 4 moves from the arc-shaped groove 5, thereby driving the feeding seat 3 to feed to the elevator traction rope until the driving wheel 7 is in close contact with the elevator traction rope, the driving wheel 7 drives the travel wheel 8 to rotate, laser emitted by the laser emitter 9 is emitted by one group of through holes 11 in an initial state and then received by the laser receiver 10, when the driving wheel 7 drives the travel wheel 8 to rotate, the travel wheel 8 blocks the laser until the laser passes through the next through hole 11, the laser receiver 10 counts the receiving frequency of the laser, and the frequency is far transmitted to an external processor and a display, the number of through dividing the circumference of the travel wheel 8 by the number of the through holes 11 and multiplying the frequency measured by the laser receiver 10, so that the travel wheel 8 follows the elevator traction rope to synchronously rotate, multiple braking descent distance measurement experiments can be carried out according to the method, and multiple groups of braking descent distance measurement experiments can be carried out, thus, when the elevator braking force is accurately measured, and the braking force is estimated, and the braking force is accurately measured, and the braking force is obtained.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The auxiliary tool for detecting the braking capability of the elevator is characterized by comprising a mounting seat (1), a transmission plate (2) hinged to the mounting seat (1) and a feeding seat (3) slidably mounted on the mounting seat (1), wherein a driving column (4) is fixedly mounted on the transmission plate (2), an arc-shaped groove (5) matched with the driving column (4) is formed in the feeding seat (3), and the driving column (4) is slidably mounted in the arc-shaped groove (5);
the elevator hoisting rope feeding device is characterized in that a channel (6) allowing an elevator hoisting rope to pass through is arranged on the feeding seat (3), a driving wheel (7) is rotatably arranged on the feeding seat (3), and a distance measuring assembly for measuring the rotation stroke of the driving wheel (7) is arranged on the feeding seat (3).
2. Elevator brake capability detection aid according to claim 1, characterized in that the distance measuring assembly comprises a travel wheel (8) fixedly mounted on the drive wheel (7), a laser transmitter (9) and a laser receiver (10) mounted on the feed seat (3), the travel wheel (8) being provided with a through hole (11) extending through the diameter of the travel wheel (8).
3. The elevator brake capability detection auxiliary tool according to claim 2, wherein the number of through holes (11) is 4 or more.
4. An elevator brake capability detection aid according to claim 3, further comprising a first spring (12), the drive plate (2) being resiliently connected to the mounting (1) by means of the first spring (12).
5. The auxiliary tool for detecting the braking capability of the elevator according to claim 4, wherein the installation seat (1) is provided with a limiting jackscrew (13) in a threaded manner, a second spring (14) is sleeved at the limiting jackscrew (13), and the limiting jackscrew (13) is elastically connected with the installation seat (1) through the second spring (14).
6. The auxiliary tool for detecting the braking capability of the elevator according to claim 5, wherein graduation marks (15) which are arranged corresponding to the through holes (11) are arranged on the stroke wheel (8), and a pointer (16) which is perpendicular to the central axis connecting line of the laser transmitter (9) and the laser receiver (10) is arranged on the feeding seat (3).
7. Elevator brake capability detection aid according to claim 6, characterized in that the outer wall of the drive wheel (7) is provided with cleats (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320964192.2U CN219708804U (en) | 2023-04-21 | 2023-04-21 | Elevator braking ability detects appurtenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320964192.2U CN219708804U (en) | 2023-04-21 | 2023-04-21 | Elevator braking ability detects appurtenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219708804U true CN219708804U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320964192.2U Active CN219708804U (en) | 2023-04-21 | 2023-04-21 | Elevator braking ability detects appurtenance |
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| Country | Link |
|---|---|
| CN (1) | CN219708804U (en) |
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2023
- 2023-04-21 CN CN202320964192.2U patent/CN219708804U/en active Active
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