CN216918224U

CN216918224U - Elevator wheel groove wearing and tearing detection mechanism

Info

Publication number: CN216918224U
Application number: CN202123410410.8U
Authority: CN
Inventors: 王建锋
Original assignee: Fuyang Special Equipment Supervision Inspection Centre
Current assignee: Fuyang Special Equipment Supervision Inspection Centre
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-08
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an elevator wheel groove abrasion detection mechanism which comprises an upper sliding plate, a profiling rod, a baffle plate, a first spring, a detection rod, an adjusting screw group, a bottom plate, a guide seat, a second spring and a magnetic counterweight seat. The device simple structure can carry out direct measurement to the wearing and tearing volume of elevator race degree of depth, has improved the precision that detects, has ensured the safety of elevator operation.

Description

Elevator wheel groove wearing and tearing detection mechanism

Technical Field

The utility model relates to a detection device, in particular to an elevator wheel groove abrasion detection mechanism.

Background

The traction type elevator is a vertical transportation tool, mainly comprises a traction system, a guide system, a door system and the like, and is driven to run by a traction driving mode, so that the convenience of people in traveling is improved. But the traction type elevator wheel groove has abrasion, the driving effect of the elevator can be influenced, the safety of the elevator is threatened, and even safety accidents can be caused. In the process of detecting the traction type elevator wheel groove, the excircle end face of the elevator wheel groove is not in contact with the steel wire rope, and the abrasion condition cannot occur, so that a detector visually checks the subsidence condition of the steel wire rope wound in the elevator wheel groove by using an observation method, if the steel wire rope has an obvious subsidence problem, the elevator wheel groove can be judged to be seriously abraded, but the operator is difficult to quantitatively judge by observing, and the safety accident is caused by a certain probability in the rapid abrasion process of the elevator wheel groove. In view of the above drawbacks, it is desirable to design a wear detection mechanism for elevator sheave grooves.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elevator wheel groove abrasion detection mechanism which can directly measure the abrasion loss of the depth of an elevator wheel groove, improves the detection precision and ensures the running safety of an elevator.

In order to solve the technical problem, the technical scheme of the utility model is as follows: an elevator wheel groove abrasion detection mechanism comprises an upper sliding plate, a profiling rod, a baffle, a first spring, a detection rod, an adjusting screw rod group, a bottom plate, a guide seat, a second spring and a magnetic balance weight seat, wherein the profiling rod penetrates through the upper sliding plate, the profiling rod slides along the upper direction and the lower direction of the upper sliding plate, the baffle is positioned at the upper end of the profiling rod, the baffle is in threaded connection with the profiling rod, the first spring is positioned at the outer side of the profiling rod and positioned between the baffle and the upper sliding plate, the detection rod penetrates through the profiling rod, the detection rod is in clearance fit connection with the profiling rod, the number of the adjusting screw rod group is not less than 4, the adjusting screw rod group is symmetrically arranged along the front-back direction and the left-right direction of the upper sliding plate, the bottom plate is positioned at the lower end of the adjusting screw rod group, the guide seat is positioned at the upper end of the bottom plate and positioned at the lower end of the detection rod, the guide seat is connected with the bottom plate through bolts and is connected with the detection rod in a clearance fit mode, the second spring is located at the lower end of the outer side of the detection rod and is located at the upper end of the guide seat, the magnetic counterweight seat is located at the lower end of the bottom plate, and the magnetic counterweight seat is connected with the bottom plate through bolts.

The utility model is further improved as follows:

further, the profiling rod further comprises a straight pipe part, a first profiling part, a limiting part and a sliding groove, the straight pipe part penetrates through the upper sliding plate, the straight pipe part is connected with the upper sliding plate in a clearance fit mode, the first profiling part is located at the upper end of the straight pipe part and integrally connected with the straight pipe part, the limiting part is located at the lower end of the straight pipe part, the limiting part is integrally connected with the straight pipe part, the sliding groove sequentially penetrates through the first profiling part, the straight pipe part and the limiting part from top to bottom, during detection, the first spring is in a compression state, the first profiling part is the same as the section of a standard elevator wheel groove and can be attached to an elevator wheel groove to be detected, when the elevator wheel rotates, the first spring deforms along with the elevator wheel, the straight pipe part slides relatively along the upper sliding plate, so that the baffle is always in contact with the end face of the elevator wheel, correctness of detection data is guaranteed, and the limiting part is in contact with the upper sliding plate, the detection rod is prevented from being separated from the upper slide plate.

Furthermore, the baffle still be equipped with the protection pad, the protection pad be located the baffle upper end and run through by the profiling pole, protection pad and baffle pass through the bolt and link to each other.

Furthermore, the protection pad be pure aluminium, the protection pad of pure aluminium contacts with the terminal surface in elevator race, effectively prevents elevator race terminal surface fish tail.

Furthermore, the detection rod also comprises a straight rod part, an adjusting part, a second profiling part and a scale mark, the upper end of the straight rod part extends into the sliding groove, the lower end of the straight rod part is inserted into the guide seat, the adjusting part is positioned at the lower end of the straight rod part, the adjusting part is in threaded connection with the straight rod part, the second profiling part is positioned at the upper end of the straight rod part, the second profiling part is integrally connected with the straight rod part, the scale mark is arranged at the outer side of the straight rod part, the second profiling part and the first profiling part form the complete section shape of the standard elevator wheel groove, when the depth of the elevator wheel groove is changed due to abrasion of the elevator wheel groove, the second profiling part moves upwards along the sliding groove in the profiling rod under the action of the second spring to be in contact with the top surface of the elevator wheel groove, a detection person can read the specific depth of abrasion through the scale mark, and the adjusting part is used for limiting the displacement of the second spring on one hand, on the other hand, through adjusting the position of regulating part on straight rod portion, can change the compression degree of second spring, be applicable to different detection operating modes.

Further, adjusting screw group still include double-screw bolt, adjusting nut, the double-screw bolt run through the slide and be located the bottom plate upper end, double-screw bolt and slide clearance fit link to each other and link to each other with the bottom plate screw thread, adjusting nut quantity be 2, along the up-down direction symmetrical arrangement of double-screw bolt, 2 adjusting nut along slide symmetrical arrangement to fix the slide on the double-screw bolt, adjust 2 adjusting nut height on the double-screw bolt, can adjust the height of profiling pole and detection pole, thereby be applicable to the detection in different mounting height elevator race.

Furthermore, the guide seat is also provided with a hand screw, the hand screw is positioned on the side surface of the guide seat, the hand screw is in threaded connection with the guide seat, and the hand screw is screwed into the guide seat and is contacted with the detection rod, so that the detection rod is locked.

Further, the magnetism counter weight seat still be equipped with magnet, magnet be located the bottom of magnetism counter weight seat, magnet and magnetism counter weight seat pass through the bolt and link to each other, the bottom surface parallel and level of the bottom surface of magnet and magnetism counter weight seat.

Furthermore, the quantity of magnet is 4, along the fore-and-aft direction of magnetism counter weight seat, left and right sides direction symmetrical arrangement, and 4 symmetrical arrangement's magnet can effectively adsorb at the installation position, keeps the stability of magnetism counter weight seat.

Compared with the prior art, the elevator wheel groove abrasion detection mechanism has the advantages that during detection, the magnetic counterweight seat is moved to the lower end of an elevator wheel to be detected, the adjusting screw group is adjusted, the profiling rod and the detection rod extend into the elevator wheel groove, at the moment, the first spring is in a compressed state, the baffle is attached to the end face of the excircle of the elevator wheel, the second profiling part on the detection rod and the first profiling part on the profiling rod form the complete section shape of a standard elevator wheel groove, after the hand-screwed screw is screwed out of the guide seat, the second spring is reset to apply vertical upward force to the detection rod, when the elevator wheel groove is not abraded, the detection rod cannot move upwards after being stressed, and therefore, the scale mark position is not changed; when the elevator wheel groove is worn, the detection rod moves upwards under stress, and a detector can read the wear loss through the scale mark straight pipe; by controlling the rotating angle of the elevator wheel, a plurality of positions of the elevator wheel groove can be detected. The device simple structure can carry out direct measurement to the wearing and tearing volume of elevator race degree of depth, has improved the precision that detects, has ensured the safety of elevator operation.

Drawings

FIG. 1 shows a front view of the utility model

FIG. 2 shows a schematic view of the structure of a profiling rod of the present invention

FIG. 3 is a schematic view of the structure of the test rod of the present invention

In the figure: the device comprises an upper sliding plate 1, a profiling rod 2, a baffle plate 3, a first spring 4, a detection rod 5, an adjusting screw group 6, a bottom plate 7, a guide seat 8, a second spring 9, a magnetic counterweight seat 10, a straight pipe part 201, a first profiling part 202, a limiting part 203, a sliding groove 204, a protection pad 301, a straight pipe part 501, an adjusting part 502, a second profiling part 503, a scale mark 504, a stud 601, an adjusting nut 602, a hand screw 801 and a magnet 1001.

Detailed Description

As shown in fig. 1, 2 and 3, an elevator wheel groove wear detection mechanism comprises an upper sliding plate 1, a profiling rod 2, a baffle plate 3, a first spring 4, a detection rod 5, an adjusting screw group 6, a bottom plate 7, a guide seat 8, a second spring 9 and a magnetic counterweight seat 10, wherein the profiling rod 2 penetrates through the upper sliding plate 1, the profiling rod 2 slides along the upper and lower directions of the upper sliding plate 1, the baffle plate 3 is positioned at the upper end of the profiling rod 2, the baffle plate 3 is in threaded connection with the profiling rod 2, the first spring 4 is positioned at the outer side of the profiling rod 2 and positioned between the baffle plate 3 and the upper sliding plate 1, the detection rod 5 penetrates through the profiling rod 2, the detection rod 5 is in clearance fit connection with the profiling rod 2, the adjusting screw group 6 is not less than 4 in number and symmetrically arranged along the front and back directions and the left and right directions of the upper sliding plate 1, the bottom plate 7 is positioned at the lower end of the adjusting screw group 6, the bottom plate 7 is in threaded connection with the adjusting screw group 6, the guide seat 8 is positioned at the upper end of the bottom plate 7 and at the lower end of the detection rod 5, the guide seat 8 is connected with the bottom plate 7 through bolts and in clearance fit with the detection rod 5, the second spring 9 is positioned at the lower end of the outer side of the detection rod 5 and at the upper end of the guide seat 8, the magnetic counterweight seat 10 is positioned at the lower end of the bottom plate 7, the magnetic counterweight seat 10 is connected with the bottom plate 7 through bolts, the profiling rod 2 further comprises a straight pipe portion 201, a first profiling portion 202, a limiting portion 203 and a sliding groove 204, the straight pipe portion 201 penetrates through the upper sliding plate 1, the straight pipe portion 201 is in clearance fit with the upper sliding plate 1, the first profiling portion 202 is positioned at the upper end of the straight pipe portion 201, the first profiling portion 202 is integrally connected with the straight pipe portion 201, the limiting portion 203 is positioned at the lower end of the straight pipe portion 201, the limiting portion 203 is integrally connected with the straight pipe portion 201, the sliding groove 204 sequentially penetrates through the first profiling part 202, the straight pipe part 201 and the limiting part 203 from top to bottom, during detection, the first spring 4 is in a compressed state, the first profiling part 202 has the same section as a standard elevator wheel groove and can be attached to an elevator wheel groove to be detected, when an elevator wheel rotates, the first spring 4 deforms along with the first profiling part, the straight pipe part 201 slides relatively along the upper sliding plate 1, so that the baffle plate 3 is always in contact with the end face of the elevator wheel, the correctness of detected data is ensured, the limiting part 203 is in contact with the upper sliding plate 1, the detection rod 5 is prevented from being separated from the upper sliding plate 1, the baffle plate 3 is further provided with a protection pad 301, the protection pad 301 is positioned at the upper end of the baffle plate 3 and is penetrated by the profiling rod 2, the protection pad 301 is connected with the baffle plate 2 through a bolt, the protection pad 201 is made of pure aluminum, the protection pad 301 of pure aluminum is in contact with the end face of the elevator wheel groove, and effectively prevents the end face of the elevator wheel groove from being scratched, the detection rod 5 further comprises a straight rod part 501, an adjusting part 502, a second profiling part 503 and a scale mark 504, the upper end of the straight rod part 501 extends into the sliding groove 204, the lower end of the straight rod part 501 is inserted into the guide seat 8, the adjusting part 502 is positioned at the lower end of the straight rod part 501, the adjusting part 502 is in threaded connection with the straight rod part 501, the second profiling part 503 is positioned at the upper end of the straight rod part 501, the second profiling part 503 is integrally connected with the straight rod part 501, the scale mark 504 is arranged at the outer side of the straight rod part 501, the second profiling part 503 and the first profiling part 202 form the complete cross-sectional shape of the standard elevator wheel groove, when the elevator wheel groove is worn to cause the depth change, the second profiling part 503 moves upwards along the sliding groove 204 in the profiling rod 2 under the action of the second spring 9 to be in contact with the top surface of the elevator wheel groove, and a detector can read the specific depth of wear through the scale mark 504, the adjusting part 502 is used for limiting the displacement of the second spring 9, on the other hand, the position of the adjusting part 502 on the straight rod part 501 is adjusted, the compression degree of the second spring 9 can be changed, and the adjusting part is suitable for different detection working conditions, the adjusting screw set 6 further comprises a stud 601 and an adjusting nut 602, the stud 601 penetrates through the upper sliding plate 1 and is positioned at the upper end of the bottom plate 7, the stud 601 is connected with the upper sliding plate 1 in a clearance fit manner and is in threaded connection with the bottom plate 7, the number of the adjusting nuts 602 is 2, the adjusting nuts are symmetrically arranged along the vertical direction of the stud 601, the 2 adjusting nuts 602 are symmetrically arranged along the upper sliding plate 1, so that the upper sliding plate is fixed on the stud 601, the height of the 2 adjusting nuts 602 on the stud 601 is adjusted, the heights of the profiling rod 2 and the detecting rod 5 can be adjusted, the adjusting screw is suitable for the detection of elevator wheel grooves with different installation heights, the guide seat 8 is further provided with a hand screw 801, the hand-screwed screw 801 is positioned on the side surface of the guide seat 8, the hand-screwed screw 801 is in threaded connection with the guide seat 8, the hand-screwed screw 801 is screwed into the guide seat 8 to be in contact with the detection rod 5, so that the detection rod 5 is locked, the magnetic counterweight seat 10 is further provided with magnets 1001, the magnets 1001 are positioned at the bottom of the magnetic counterweight seat 10, the magnets 1001 are connected with the magnetic counterweight seat 10 through bolts, the bottom surface of the magnets 1001 is flush with the bottom surface of the magnetic counterweight seat 10, the number of the magnets 1001 is 4, the magnets 1001 are symmetrically arranged along the front-back direction and the left-right direction of the magnetic counterweight seat 10, the 4 symmetrically arranged magnets 1001 can be effectively adsorbed at the installation part, the stability of the magnetic counterweight seat 10 is kept, the elevator wheel groove abrasion detection mechanism moves the magnetic counterweight seat 10 to the lower end of an elevator wheel to be detected, the adjusting screw rod group 6 is adjusted, so that the profiling rod 2 and the detection rod 5 extend into the elevator wheel groove, at the moment, the baffle 3 is attached to the excircle end face of the elevator wheel by the first spring 4 in a compressed state, the second profiling part 503 on the detection rod 5 and the first profiling part 202 on the profiling rod 2 form the complete section shape of a standard elevator wheel groove, after the hand-screwed screw 801 is screwed out of the guide seat 8, the second spring 9 is reset to apply a vertical upward force to the detection rod 5, when the elevator wheel groove is not worn, the detection rod 5 cannot move upwards after being stressed, and therefore, the position of the scale mark 504 is not changed; when the elevator wheel groove is worn, the detection rod 5 is forced to move upwards, and a detector can read the wear loss of the straight pipe through the scale mark 504; by controlling the rotating angle of the elevator wheel, a plurality of positions of the elevator wheel groove can be detected. The device simple structure can carry out direct measurement to the wearing and tearing volume of elevator race degree of depth, has improved the precision that detects, has ensured the safety of elevator operation.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims

1. An elevator wheel groove abrasion detection mechanism is characterized by comprising an upper sliding plate, a profiling rod, a baffle, a first spring, a detection rod, an adjusting screw rod group, a bottom plate, a guide seat, a second spring and a magnetic balance weight seat, wherein the profiling rod penetrates through the upper sliding plate, the profiling rod slides along the upper direction and the lower direction of the upper sliding plate, the baffle is positioned at the upper end of the profiling rod, the baffle is in threaded connection with the profiling rod, the first spring is positioned on the outer side of the profiling rod and positioned between the baffle and the upper sliding plate, the detection rod penetrates through the profiling rod, the detection rod is in clearance fit connection with the profiling rod, the number of the adjusting screw rod groups is not less than 4, the detection rod groups are symmetrically arranged along the front-back direction and the left-right direction of the upper sliding plate, the bottom plate is positioned at the lower end of the adjusting screw rod group, the guide seat is positioned at the upper end of the bottom plate and positioned at the lower end of the detection rod, the guide seat is connected with the bottom plate through bolts and is connected with the detection rod in a clearance fit mode, the second spring is located at the lower end of the outer side of the detection rod and is located at the upper end of the guide seat, the magnetic counterweight seat is located at the lower end of the bottom plate, and the magnetic counterweight seat is connected with the bottom plate through bolts.

2. The elevator race wear detection mechanism according to claim 1, wherein the contour rod further comprises a straight tube portion, a first contour portion, a limiting portion, and a sliding groove, the straight tube portion penetrates through the upper slide plate, the straight tube portion is connected with the upper slide plate in a clearance fit manner, the first contour portion is located at the upper end of the straight tube portion, the first contour portion is integrally connected with the straight tube portion, the limiting portion is located at the lower end of the straight tube portion, the limiting portion is integrally connected with the straight tube portion, and the sliding groove sequentially penetrates through the first contour portion, the straight tube portion, and the limiting portion from top to bottom.

3. The elevator sheave wear detection mechanism of claim 1 wherein the guard further comprises a protective pad positioned at the upper end of the guard and penetrated by the contour rod, the protective pad being bolted to the guard.

4. The elevator sheave wear detection mechanism of claim 3 wherein the protective pad is comprised of pure aluminum.

5. The elevator sheave wear detecting mechanism according to claim 2, wherein the detecting rod further includes a straight rod portion, an adjusting portion, a second copying portion, and a scale mark, the upper end of the straight rod portion extends into the sliding groove, the lower end of the straight rod portion is inserted into the guide seat, the adjusting portion is located at the lower end of the straight rod portion, the adjusting portion is connected with the straight rod portion through a screw thread, the second copying portion is located at the upper end of the straight rod portion, the second copying portion is integrally connected with the straight rod portion, and the scale mark is disposed on the outer side of the straight rod portion.

6. The elevator sheave wear detection mechanism of claim 1, wherein the set of adjustment screws further comprises studs and adjustment nuts, the studs pass through the upper slide plate and are located at the upper end of the bottom plate, the studs are connected with the upper slide plate in a clearance fit manner and are connected with the bottom plate through threads, and the number of the adjustment nuts is 2, and the adjustment nuts are symmetrically arranged along the vertical direction of the studs.

7. The elevator sheave wear detection mechanism of claim 1 wherein the shoe further comprises a thumb screw, the thumb screw being located on a side of the shoe, the thumb screw being threadably engaged with the shoe.

8. The elevator sheave wear detection mechanism of claim 1 wherein the magnetic counterweight housing further comprises a magnet, the magnet is located at the bottom of the magnetic counterweight housing, the magnet is bolted to the magnetic counterweight housing, and the bottom surface of the magnet is flush with the bottom surface of the magnetic counterweight housing.

9. The elevator sheave wear detecting mechanism according to claim 8, wherein the number of the magnets is 4, and the magnets are symmetrically arranged in the front-rear direction and the left-right direction of the magnetic weight holder.