Elevator guide rail deformation detection device
By designing an elevator guide rail deformation detection device including an installation mechanism, a detection mechanism and an adjustment mechanism, the problem of limited detection range in the prior art is solved, deformation detection of long guide rails is realized, and the flexibility and accuracy of detection are improved.
Patent Information
- Application Number
- CN202420615196.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-03-28
AI Technical Summary
The existing elevator guide rail deformation detection device has a limited detection range, making it difficult to effectively detect the deformation of longer guide rails.
An elevator guide rail deformation detection device including a guide rail main body, an installation mechanism, a detection mechanism and an adjustment mechanism is designed. The installation mechanism ensures the stable installation and movement of the detection mechanism on the main body of the guide rail through components such as the clamp, drive wheel and anti-slip pad; the detection mechanism uses a beam generator and a receiving sensor to measure the deformation of the guide rail through the propagation of the light beam; the adjustment mechanism adjusts the position of the receiving sensor to adapt to guide rails of different lengths through the different thread structure.
The deformation detection of long guide rails is realized, the detection range is expanded, and it can be applied to elevator guide rails of different lengths without changing the device structure, improving the flexibility and accuracy of detection.
Smart Images

Figure CN222757719U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to elevator guide rails, and in particular to a deformation detection device for elevator guide rails. Background Art
[0002] Elevator guide rails are key components in the elevator system. Their main function is to guide and support the movement of the elevator car. They are usually made of high-strength, high-wear-resistant metal materials, such as high-quality steel. The guide rails are divided into two parts: guide rails and load-bearing rails. Through strict installation and precise manufacturing of the rails, they ensure that the elevator rises and falls smoothly and safely during operation. The design of the elevator guide rails adopts precision engineering to ensure the accuracy of the vertical and horizontal movement of the car. The guide rail system usually includes components such as guide rails, guide shoes, and load-bearing plates. They work together to enable the elevator to run smoothly on the vertical track. The surface of the guide rails is specially treated to reduce wear and friction and improve the use of the track. Lifespan, the manufacture and installation of elevator guide rails need to comply with strict standards and specifications to ensure that the elevator has a high degree of reliability and safety during operation. Different types of elevator systems may use guide rails of different designs to adapt to different operating requirements, such as high-speed elevators and freight elevators. During use, the deformation of the elevator guide rails may be caused by material fatigue, external pressure, accidental impact, etc. Timely detection of deformation can help discover potential problems and prevent guide rail failure, thereby ensuring the safety of elevator operation. The existing detection device has a limited detection range and has certain difficulties in detecting longer guide rails. Therefore, there is a special need for an elevator guide rail deformation detection device.
[0003] However, most of the existing elevator guide rail deformation detection devices have a limited detection range during use, and the elevator guide rails are relatively long, which makes it difficult to detect elevator guide rails with longer dimensions. Utility Model Content
[0004] The purpose of the utility model is to provide an elevator guide rail deformation detection device to solve the existing elevator guide rail deformation detection device proposed in the above background technology. During use, the deformation of the elevator guide rail may be caused by material fatigue, external pressure, accidental impact, etc. Timely detection of deformation can help discover potential problems and prevent failure of the guide rail, thereby ensuring the safety of elevator operation. The existing detection device has a limited detection range and has certain difficulties in detecting longer guide rails.
[0005] To achieve the above-mentioned purpose, the utility model provides an elevator guide rail deformation detection device, including a guide rail body and a guide rail groove, the outer surface of the guide rail body is provided with a mounting mechanism, the outer surface of the mounting mechanism is provided with a detection mechanism, and the outer surface of the mounting mechanism is provided with an adjustment mechanism.
[0006] Preferably, the mounting mechanism includes a snap clamp, a mounting groove, a driving wheel, an anti-slip pad and an anti-slip groove, the outer surface of the guide rail body is slidably connected with the snap clamp, the inner surface of the snap clamp is provided with a mounting groove, the inner surface of the mounting groove is rotatably connected with the driving wheel, the inner surface of the snap clamp is fixedly connected with the anti-slip pad, and the outer surface of the anti-slip pad is provided with an anti-slip groove.
[0007] Preferably, the number of the snap clips is two, the driving wheel is slidably connected to the top surface of the guide rail body, the number of the anti-slip pads is two and they are symmetrically distributed, and the anti-slip grooves are equidistantly distributed on the outer surface of the anti-slip pads.
[0008] Preferably, the detection mechanism includes a battery box, a connecting cable, a mounting shell, a limit plate, a light beam generator and a receiving sensor, the outer surface of the snap clamp is fixedly connected to the battery box, the output end of the battery box is fixedly connected to the connecting cable, the top of the snap clamp is installed with a mounting shell, the inner surface of the mounting shell is fixedly connected to the limit plate, the inner surface of the limit plate is fixedly connected to the light beam generator, and the inner surface of the mounting shell is fixedly connected to the receiving sensor.
[0009] Preferably, the snap-fitting clip on one side of the guide rail body is fixedly connected to the mounting shell and a light beam generator is installed inside, the snap-fitting clip on the other side of the guide rail body is slidably connected to the mounting shell and a receiving sensor is installed inside, and the connecting cable is electrically connected to both the light beam generator and the receiving sensor.
[0010] Preferably, the adjustment mechanism includes a small motor, a small threaded rod, a large threaded rod, a fixed threaded connector, a movable threaded connector and a connecting bracket, the outer surface of the clamping clamp is slidably connected to the small motor, the output end of the small motor is fixedly connected to the small threaded rod, one end of the small threaded rod is fixedly connected to the large threaded rod, the outer surface of the small threaded rod is threadedly connected to the fixed threaded connector, the outer surface of the large threaded rod is threadedly connected to the movable threaded connector, and the outer surface of the movable threaded connector is fixedly connected to the connecting bracket.
[0011] Preferably, the fixed threaded connector is fixedly connected to the outer surface of the snap clip, the connecting bracket is slidably connected to the mounting shell, and the connecting bracket is slidably connected to the outer surface of the snap clip.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: in the elevator guide rail deformation detection device, after the detection mechanism is installed, the light beam generator and the receiving sensor should be at the same height, the light beam generator emits a light beam moving along a straight line, usually a laser or infrared ray, and is captured by the receiving sensor, which means that the deformation of the guide rail body is within a reasonable range, and the small threaded rod, the large threaded rod, the fixed threaded connector, and the movable threaded connector form a differential thread structure, which can drive the connecting bracket to make very subtle movements, which is used to lift and adjust the position of the receiving sensor until the receiving sensor receives the light beam generator, and the deformation data of the guide rail body is obtained by adjusting the displacement distance of the mechanism. Since the installation mechanism and the detection mechanism are small and can move freely on the guide rail body, the propagation measurement range of the light beam is large, and the installation mechanism can be moved to any position of the guide rail body, achieving the effect of being suitable for long-distance deformation detection of the elevator guide rail. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a side view schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the mutual cooperation of the components of the installation mechanism of the utility model;
[0015] Figure 3 This is a schematic diagram of the structure of the installation housing and the light beam generator cooperating with each other in the utility model;
[0016] Figure 4 This is a schematic diagram of the structure of the installation housing and the receiving sensor cooperating with each other in the utility model;
[0017] Figure 5 This is a schematic diagram of the structure of the mutual cooperation of the components of the adjustment mechanism of the utility model;
[0018] Figure 6 The utility model is a cross-sectional schematic diagram of the internal structure of the fixed threaded connector.
[0019] In the figure: 1. guide rail body; 2. guide rail groove; 3. installation mechanism; 301. snap clamp; 302. installation groove; 303. driving wheel; 304. anti-skid pad; 305. anti-skid groove; 4. detection mechanism; 401. battery box; 402. connecting cable; 403. installation shell; 404. limit plate; 405. light beam generator; 406. receiving sensor; 5. adjustment mechanism; 501. small motor; 502. small threaded rod; 503. large threaded rod; 504. fixed threaded connector; 505. movable threaded connector; 506. connecting bracket. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-6 The utility model provides an elevator guide rail deformation detection device: it includes a guide rail body 1 and a guide rail groove 2, the outer surface of the guide rail body 1 is provided with a mounting mechanism 3, the outer surface of the mounting mechanism 3 is provided with a detection mechanism 4, and the outer surface of the mounting mechanism 3 is provided with an adjustment mechanism 5.
[0022] Furthermore, the mounting mechanism 3 includes a snap clamp 301, a mounting groove 302, a driving wheel 303, an anti-skid pad 304 and an anti-skid groove 305. The outer surface of the guide rail body 1 is slidably connected with the snap clamp 301, the inner surface of the snap clamp 301 is provided with a mounting groove 302, the inner surface of the mounting groove 302 is rotatably connected with the driving wheel 303, the inner surface of the snap clamp 301 is fixedly connected with the anti-skid pad 304, and the outer surface of the anti-skid pad 304 is provided with an anti-skid groove 305. Through the arrangement of the snap clamp 301, the mounting groove 302, the driving wheel 303, the anti-skid pad 304 and the anti-skid groove 305, during use, the snap clamp 301 is used to clamp the guide rail body 1 to ensure that the mounting mechanism 3 is fixed on the guide rail body The position of the detection mechanism 4 in the guide rail body 1 is stable, the installation groove 302 is used to install the driving wheel 303, and is used to provide force to change the position of the installation mechanism 3 so as to adjust the position of the detection mechanism 4 during the detection process. The anti-skid pad 304 and the anti-skid groove 305 are placed at the contact point between the clamp 301 and the guide rail body 1 to increase the friction force and reduce the displacement without being affected by the external force and the driving wheel 303, ensuring that the position of the detection mechanism 4 will not change during the detection process. The installation mechanism 3 clamps the clamp 301 on the guide rail body 1 through the anti-skid pad 304 and the anti-skid groove 305, ensuring that the position of the installation mechanism 3 in the guide rail body 1 is stable, and is driven by the driving wheel 303 to adjust the position of the detection mechanism 4 during the detection process.
[0023] Furthermore, the number of the snap-fitting clips 301 is two, the driving wheel 303 is slidingly connected to the top surface of the guide rail body 1, the number of the anti-skid pads 304 is two and they are symmetrically distributed, the anti-skid grooves 305 are equidistantly distributed on the outer surface of the anti-skid pads 304, the symmetrically distributed snap-fitting clips 301 are respectively used to install the light beam generator 405 and the receiving sensor 406 on the detection mechanism 4, and the symmetrically distributed anti-skid pads 304 are used to clamp and engage on both sides of the guide rail body 1 to increase the stability of the device.
[0024] Furthermore, the detection mechanism 4 includes a battery box 401, a connecting cable 402, a mounting shell 403, a limiting plate 404, a light beam generator 405 and a receiving sensor 406. The outer surface of the snap clamp 301 is fixedly connected to the battery box 401, the output end of the battery box 401 is fixedly connected to the connecting cable 402, the top of the snap clamp 301 is installed with a mounting shell 403, the inner surface of the mounting shell 403 is fixedly connected to the limiting plate 404, the inner surface of the limiting plate 404 is fixedly connected to the light beam generator 405, and the inner surface of the mounting shell 403 is fixedly connected to the receiving sensor 406. Through the arrangement of the battery box 401, the connecting cable 402, the mounting shell 403, the limiting plate 404, the light beam generator 405 and the receiving sensor 406, during use, the detection mechanism 4 is installed on the mounting mechanism 3, and the battery box 401 and the connecting cable 402 are used as the light beam generator 4 05 and receiving sensor 406 provide the required power, the connecting cable 402 is partially housed in the battery box 401 and can be pulled out or put in as needed, the mounting shell 403 and the limit plate 404 are used to install and fix the light beam generator 405 and the receiving sensor 406, the limit plate 404 is used to ensure the light beam generator 405 and prevent the light beam from deviating from the ideal position during operation, since the mounting mechanism 3 can be moved to any position of the guide rail body 1, the light beam generator 405 and the receiving sensor 406 should be at the same height after the detection mechanism 4 is installed, the light beam generator 405 emits a light beam moving along a straight line, usually a laser or infrared ray, and is captured by the receiving sensor 406, which means that the deformation of the guide rail body 1 is within a reasonable range, since the mounting mechanism 3 and the detection mechanism 4 are small and can move freely on the guide rail body 1, the propagation measurement range of the light beam is large, achieving the effect of being suitable for measuring the guide rail body 1.
[0025] Furthermore, the snap-fitting clip 301 on one side of the guide rail body 1 is fixedly connected to the mounting shell 403 and a light beam generator 405 is installed inside, the snap-fitting clip 301 on the other side of the guide rail body 1 is slidably connected to the mounting shell 403 and a receiving sensor 406 is installed inside, the connecting cable 402 is electrically connected to the light beam generator 405 and the receiving sensor 406, the two sets of snap-fitting clips 301 on the mounting mechanism 3 are respectively used to install the light beam generator 405 and the receiving sensor 406, and can move freely on the guide rail body 1, the propagation measurement range of the light beam is large, and the effect of being suitable for measuring the guide rail body 1 is achieved.
[0026] Furthermore, the adjustment mechanism 5 includes a small motor 501, a small threaded rod 502, a large threaded rod 503, a fixed threaded connector 504, a movable threaded connector 505 and a connecting bracket 506. The outer surface of the clamp 301 is slidably connected to the small motor 501, the output end of the small motor 501 is fixedly connected to the small threaded rod 502, one end of the small threaded rod 502 is fixedly connected to the large threaded rod 503, the outer surface of the small threaded rod 502 is threadedly connected to the fixed threaded connector 504, and the outer surface of the large threaded rod 503 is The threaded connection is provided with a movable threaded connector 505, and the outer surface of the movable threaded connector 505 is fixedly connected with a connecting bracket 506. Through the arrangement of the small motor 501, the small threaded rod 502, the large threaded rod 503, the fixed threaded connector 504, the movable threaded connector 505 and the connecting bracket 506, during use, the small threaded rod 502, the large threaded rod 503, the fixed threaded connector 504, and the movable threaded connector 505 form a differential thread structure, and the small threaded rod 502 is driven to rotate by the small motor 501. The small threaded rod 502 is threadedly connected to the fixed threaded connector 504, and the fixed threaded connector 504 cannot move, and the small motor 501 can also move but the bottom is in contact with the clamp 301 and is limited and cannot rotate. The rotation of the small threaded rod 502 can be converted into linear movement. The small threaded rod 502 is fixedly connected to the large threaded rod 503 to drive it to rotate. The large threaded rod 503 is threadedly connected to the movable threaded connector 505. During the rotation of the large threaded rod 503, the small threaded rod 502 and the large threaded rod are connected. The rotation direction of 503 is the same. According to the characteristics of the differential thread, the moving distance of the movable threaded connector 505 is the difference between the lead of the small threaded rod 502 and the large threaded rod 503, which can drive the connecting bracket 506 to make a very slight movement. The connecting bracket 506 is fixedly connected to the mounting shell 403 on the side of the receiving sensor 406. The connecting bracket 506 is used to lift and adjust the position of the receiving sensor 406 during the movement until the receiving sensor 406 receives the light beam generator 405. The deformation data of the guide rail body 1 is obtained by adjusting the displacement distance of the mechanism 5.
[0027] Furthermore, the fixed threaded connector 504 is fixedly connected to the outer surface of the snap clamp 301, the connecting bracket 506 is slidably connected to the mounting shell 403, the connecting bracket 506 is slidably connected to the outer surface of the snap clamp 301, and the fixed threaded connector 504 converts the rotation of the small threaded rod 502 into linear movement, thereby driving the mounting shell 403 to move via the connecting bracket 506.
[0028] Working principle: An elevator guide rail deformation detection device. During use, the outer surface of the guide rail body 1 is provided with a mounting mechanism 3, the outer surface of the mounting mechanism 3 is provided with a detection mechanism 4, the outer surface of the mounting mechanism 3 is provided with an adjustment mechanism 5, the clamping clip 301 is used to clamp the guide rail body 1, the mounting groove 302 is used to install the driving wheel 303 to change the position, the anti-skid pad 304 and the anti-skid groove 305 are placed at the contact between the clamping clip 301 and the guide rail body 1, the detection mechanism 4 is installed on the mounting mechanism 3, and power is provided by the battery box 401 and the connecting cable 402. The mounting shell 403 and the limit plate 404 are used to install and fix the beam generator 405 and the receiving sensor 406. The beam generator 405 emits a beam and is received. The receiving sensor 406 captures that the small threaded rod 502, the large threaded rod 503, the fixed threaded connector 504, and the movable threaded connector 505 form a differential thread structure, which is driven by the small motor 501. According to the characteristics of the differential thread, the moving distance of the movable threaded connector 505 is the difference between the lead of the small threaded rod 502 and the large threaded rod 503, which can drive the connecting bracket 506 to move very slightly. The connecting bracket 506 is fixedly connected to the housing 403 installed on the side of the receiving sensor 406. During the movement of the connecting bracket 506, it is used to lift and adjust the position of the receiving sensor 406 until the receiving sensor 406 receives the light beam generator 405. In this way, an elevator guide rail deformation detection device is completed.
[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the implementation rules without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An elevator guide rail deformation detection device, comprising a guide rail body (1) and a guide rail groove (2), characterized in that: The outer surface of the guide rail body (1) is provided with a mounting mechanism (3), the outer surface of the mounting mechanism (3) is provided with a detection mechanism (4), and the outer surface of the mounting mechanism (3) is provided with an adjustment mechanism (5); The mounting mechanism (3) comprises a snap-fitting clip (301), a mounting groove (302), a driving wheel (303), an anti-skid pad (304) and an anti-skid groove (305); the outer surface of the guide rail body (1) is slidably connected to the snap-fitting clip (301); the inner surface of the snap-fitting clip (301) is provided with a mounting groove (302); the inner surface of the mounting groove (302) is rotatably connected to the driving wheel (303); the inner surface of the snap-fitting clip (301) is fixedly connected to the anti-skid pad (304); and the outer surface of the anti-skid pad (304) is provided with an anti-skid groove (305).
2. An elevator guide rail deformation detection device according to claim 1, characterized in that: The number of the snap-fitting clips (301) is two, the driving wheel (303) is slidably connected to the top surface of the guide rail body (1), the number of the anti-skid pads (304) is two and they are symmetrically distributed, and the anti-skid grooves (305) are equidistantly distributed on the outer surface of the anti-skid pads (304).
3. An elevator guide rail deformation detection device according to claim 2, characterized in that: The detection mechanism (4) comprises a battery box (401), a connecting cable (402), a mounting shell (403), a limiting plate (404), a light beam generator (405) and a receiving sensor (406); the outer surface of the snap-fit clamp (301) is fixedly connected to the battery box (401); the output end of the battery box (401) is fixedly connected to the connecting cable (402); the top of the snap-fit clamp (301) is mounted with a mounting shell (403); the inner surface of the mounting shell (403) is fixedly connected to the limiting plate (404); the inner surface of the limiting plate (404) is fixedly connected to the light beam generator (405); and the inner surface of the mounting shell (403) is fixedly connected to the receiving sensor (406).
4. An elevator guide rail deformation detection device according to claim 3, characterized in that: The snap-fitting clip (301) on one side of the guide rail body (1) is fixedly connected to the mounting shell (403) and has a light beam generator (405) installed inside. The snap-fitting clip (301) on the other side of the guide rail body (1) is slidably connected to the mounting shell (403) and has a receiving sensor (406) installed inside. The connecting cable (402) is electrically connected to both the light beam generator (405) and the receiving sensor (406).
5. An elevator guide rail deformation detection device according to claim 2, characterized in that: The adjustment mechanism (5) comprises a small motor (501), a small threaded rod (502), a large threaded rod (503), a fixed threaded connector (504), a movable threaded connector (505) and a connecting bracket (506); the outer surface of the clamping clip (301) is slidably connected to the small motor (501); the output end of the small motor (501) is fixedly connected to the small threaded rod (502); one end of the small threaded rod (502) is fixedly connected to the large threaded rod (503); the outer surface of the small threaded rod (502) is threadedly connected to the fixed threaded connector (504); the outer surface of the large threaded rod (503) is threadedly connected to the movable threaded connector (505); and the outer surface of the movable threaded connector (505) is fixedly connected to the connecting bracket (506).
6. An elevator guide rail deformation detection device according to claim 5, characterized in that: The fixed threaded connector (504) is fixedly connected to the outer surface of the snap-fit clip (301), the connecting bracket (506) is slidably connected to the mounting housing (403), and the connecting bracket (506) is slidably connected to the outer surface of the snap-fit clip (301).