Elevator guide rail deformation detection device

Abstract

The utility model belongs to the technical field of elevator guide rail deformation detection, and particularly relates to an elevator guide rail deformation detection device which comprises a fixed rail. The middle of the fixed rail is slidably connected with a movable frame. The two ends of the movable frame are both slidably connected with sliding rods. The other end of the sliding rod is rotationally connected with a roller; a spring is mounted in the moving frame; the end, close to the sliding rod, of the spring is fixedly connected with a pressure sensor. The side wall of the moving frame is fixedly connected with a connecting cable; a screw rod is slidably connected to the interior of the moving frame; one end, close to the spring, of the screw rod is fixedly connected with a moving plate; a bevel gear sleeve is rotationally connected into the movable frame. The bevel gear sleeve is in threaded fit with the screw rod; the middle part of the moving frame is rotationally connected with an adjusting rod; through the structure, the deformation of the elevator guide rail can be continuously detected, so that the abnormity of the elevator guide rail can be found in time, the potential safety hazard is reduced, and the occurrence of elevator safety accidents is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of elevator guide rail deformation detection technology, specifically an elevator guide rail deformation detection device. Background Technology

[0002] Elevator guide rails are elevator components made of steel rails and connecting plates. They provide a stable running track for the elevator car and counterweight, ensuring their smooth movement in the vertical direction.

[0003] During elevator operation, the guide rails, while serving a guiding function, are subjected to the impact forces during car and elevator braking, as well as the impact forces during emergency braking of the safety brake. When the guide rails are subjected to large impact forces, they may deform. After the guide rails are deformed, the elevator will vibrate when passing over the deformed part of the guide rail, thus affecting the safety of elevator use. Therefore, it is necessary to detect the deformation of the elevator guide rails. However, existing elevator guide rail deformation detection devices are mostly used for elevator maintenance or after the guide rail deformation problem has occurred. It is difficult to detect the deformation of the elevator guide rails during daily use, making it difficult to detect potential elevator safety hazards in a timely manner.

[0004] Therefore, this utility model provides an elevator guide rail deformation detection device. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: An elevator guide rail deformation detection device includes a fixed rail; a movable frame is slidably connected to the middle of the fixed rail; sliding rods are slidably connected to both ends of the movable frame; a roller is rotatably connected to the other end of each sliding rod; a spring is installed inside the movable frame; a pressure sensor is fixedly connected to one end of the spring near the sliding rod; and a connecting cable is fixedly connected to the side wall of the movable frame. Through the above structure, the deformation of the elevator guide rail can be continuously detected, thereby enabling timely detection of abnormalities in the elevator guide rail, reducing safety hazards, and minimizing the occurrence of elevator safety accidents.

[0007] Preferably, a screw is slidably connected inside the movable frame; a movable plate is fixedly connected to one end of the screw near the spring; a bevel gear sleeve is rotatably connected inside the movable frame; the bevel gear sleeve and the screw are threadedly engaged; an adjusting rod is rotatably connected to the middle of the movable frame; a transmission bevel gear is fixedly connected to the end of the adjusting rod; the transmission bevel gear meshes with the bevel gear sleeve; with the above structure, the device can be adapted to elevator guide rails with different spacings, improving the applicability and practicality of the device.

[0008] Preferably, a pair of ratchet seats are slidably connected to the top of the movable frame; a ratchet sleeve is rotatably connected to the middle of the ratchet seat through ratchet engagement; the ratchet limiting directions of the pair of ratchet sleeves are set in opposite directions; with the above structure, the pressure sensor's pressure change caused by the movement of the movable plate can be reduced, thereby reducing the impact on the real-time detection results of the elevator guide rail deformation.

[0009] Preferably, a magnet is fixed to the top of the movable frame; the ratchet seat is made of magnetic material; through the above structure, the occurrence of the movable plate moving due to the ratchet sleeve detaching from the middle of the adjusting rod due to external force can be reduced, and the occurrence of the pressure sensor being affected by the movement of the movable plate affecting the detection results due to changes in pressure caused by the movement of the movable plate can be further reduced.

[0010] Preferably, protective sleeves are fixed to both ends of the movable frame; the other end of the protective sleeve is fixed to the middle of the sliding rod; through the above structure, impurities will not easily fall onto the sliding rod, reducing the impact of impurities on the relative movement between the sliding rod and the movable frame, thereby reducing the impact on the test results.

[0011] Preferably, an elastic connector is fixed to the middle of the connecting cable; with the above structure, when the elevator vibrates, the transmission of vibration to the moving frame is reduced, thereby reducing the impact of the elevator car vibration on the test results.

[0012] Preferably, a scraper is fixedly connected to the bottom of the sliding rod; the scraper is made of a non-rigid wear-resistant material. Through the above structure, the influence of impurities adhering to the elevator guide rail on the test results is reduced.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The elevator guide rail deformation detection device of this utility model, through the setting of fixed rail, moving frame, sliding rod, roller, spring, pressure sensor and connecting cable, can continuously detect the deformation of elevator guide rail, thereby timely detecting abnormalities of elevator guide rail, reducing safety hazards and reducing the occurrence of elevator safety accidents.

[0015] 2. The elevator guide rail deformation detection device of this utility model, through the arrangement of screw, moving plate, bevel gear sleeve, adjusting rod and transmission bevel gear, can be adapted to elevator guide rails with different spacing, thereby improving the applicability and practicality of the device. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2This is a schematic diagram of the structure of the movable frame in this utility model;

[0019] Figure 3 This is a schematic diagram of the sliding rod in this utility model;

[0020] Figure 4 This is a schematic diagram of the bevel gear sleeve in this utility model;

[0021] Figure 5 This is a schematic diagram of the ratchet sleeve in this utility model.

[0022] In the diagram: 1. Fixed track; 12. Moving frame; 13. Sliding rod; 14. Roller; 15. Spring; 16. Pressure sensor; 17. Connecting cable; 2. Screw; 21. Moving plate; 22. Bevel gear sleeve; 23. Adjusting rod; 24. Transmission bevel gear; 3. Ratchet seat; 31. Ratchet sleeve; 4. Magnet; 5. Protective sleeve; 6. Elastic connector; 7. Scraper. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 3 As shown, an elevator guide rail deformation detection device according to an embodiment of the present invention includes a fixed rail 1; a movable frame 12 is slidably connected to the middle of the fixed rail 1; sliding rods 13 are slidably connected to both ends of the movable frame 12; rollers 14 are rotatably connected to the other end of the sliding rods 13; a spring 15 is installed inside the movable frame 12; a pressure sensor 16 is fixedly connected to one end of the spring 15 near the sliding rod 13; a connecting cable 17 is fixedly connected to the side wall of the movable frame 12; the fixed rail 1 is installed on the shaft wall between a pair of elevator guide rails, so that a pair of rollers 14 abut against a pair of elevator guide rails under the elastic force of the spring 15. At this time, the pressure sensor 16 is squeezed and generates an initial pressure value. The connecting cable 17 is then connected to the shaft wall between a pair of elevator guide rails. Connected to the elevator car, the moving frame 12 moves up or down along the fixed track 1 as the elevator car runs along the elevator guide rail. During this process, the roller 14 keeps pressing against the side wall of the elevator guide rail. When the elevator guide rail is deformed, the sliding rod 13 slides along with the deformation of the elevator guide rail, thereby increasing or decreasing the pressure on the pressure sensor 16. By remotely sending the data monitored by the pressure sensor 16 to the receiving terminal, the deformation of the elevator guide rail can be calculated based on the monitored pressure data. Through the above structure, the deformation of the elevator guide rail can be continuously detected, thereby timely detection of abnormalities in the elevator guide rail, reducing safety hazards and reducing the occurrence of elevator safety accidents.

[0025] like Figures 1 to 5As shown, a screw 2 is slidably connected inside the movable frame 12; a movable plate 21 is fixedly connected to one end of the screw 2 near the spring 15; a bevel gear sleeve 22 is rotatably connected inside the movable frame 12; the bevel gear sleeve 22 and the screw 2 are threadedly engaged; an adjusting rod 23 is rotatably connected to the middle of the movable frame 12; a transmission bevel gear 24 is fixedly connected to the end of the adjusting rod 23; the transmission bevel gear 24 meshes with the bevel gear sleeve 22; during operation, when detecting elevator guide rails with different spacings, the adjusting rod 23 can be rotated to drive the bevel gear sleeve 22 to rotate through the transmission bevel gear 24, thereby moving the screw 2 and adjusting the position of the movable plate 21, so that the spring 15 can still be compressed to squeeze the pressure sensor 16 even when the elevator guide rail spacing is large. Through the above structure, the device can be adapted to elevator guide rails with different spacings, improving the applicability and practicality of the device.

[0026] like Figures 4 to 5 As shown, a pair of ratchet seats 3 are slidably connected to the top of the movable frame 12; a ratchet sleeve 31 is rotatably connected to the middle of the ratchet seat 3 through ratchet engagement; the ratchet limiting directions of the pair of ratchet sleeves 31 are set in opposite directions; during operation, after the position of the movable plate 21 is adjusted by rotating the adjusting rod 23, the initial pressure on the pressure sensor 16 is fixed. Then, the pair of ratchet sleeves 31 are rotated and fitted onto the middle of the adjusting rod 23, so that the adjusting rod 23 will not easily rotate again, thus making it difficult for the position of the movable plate 21 to change, thereby making it difficult for the initial pressure of the pressure sensor 16 to change. This facilitates the terminal system to calculate the deformation of the elevator guide rail based on the pressure value monitored by the pressure sensor 16. Through the above structure, the change in pressure on the pressure sensor 16 caused by the movement of the movable plate 21 can be reduced, thereby reducing the impact on the real-time detection results of the deformation of the elevator guide rail.

[0027] like Figure 5 As shown, a magnet 4 is fixed to the top of the movable frame 12; the ratchet seat 3 is made of magnetic material; during operation, after a pair of ratchet sleeves 31 are put on the middle of the adjusting rod 23, the ratchet seat 3 will be attracted by the magnet 4, so that the ratchet sleeves 31 will not easily detach from the middle of the adjusting rod 23. Through the above structure, the occurrence of the movable plate 21 moving due to the ratchet sleeves 31 detaching from the middle of the adjusting rod 23 due to external force can be reduced, and the occurrence of the pressure sensor 16 being affected by the pressure change due to the movement of the movable plate 21 can be further reduced.

[0028] like Figures 1 to 3As shown, protective sleeves 5 are fixed to both ends of the movable frame 12; the other end of the protective sleeve 5 is fixed to the middle of the sliding rod 13. During operation, dust and other impurities inside the elevator shaft will be blocked by the protective sleeve 5, so that the impurities will not easily fall onto the sliding rod 13, reducing the impact of impurities on the relative movement between the sliding rod 13 and the movable frame 12, thereby reducing the impact on the test results.

[0029] like Figure 1 As shown, an elastic connector 6 is fixedly connected to the middle of the connecting cable 17. During operation, after the connecting cable 17 is connected to the elevator car, the connecting cable 17 will be pulled as the elevator moves up and down. With the setting of the elastic connector 6, when the elevator vibrates during operation, the vibration transmitted to the moving frame 12 can be reduced, thereby reducing the impact of the elevator car vibration on the test results.

[0030] like Figure 1 As shown, a scraper 7 is fixed to the bottom of the sliding rod 13; the scraper 7 is made of non-rigid wear-resistant material; when the moving frame 12 moves with the elevator car, the scraper 7 can clean away some impurities attached to the elevator track, reducing the impact of impurities on the test results.

[0031] During operation, the fixed track 1 is installed on the shaft wall between a pair of elevator guide rails. A pair of rollers 14, under the elastic force of springs 15, press against the elevator guide rails respectively. At this time, the pressure sensor 16 is compressed, generating an initial pressure value. The connecting cable 17 is connected to the elevator car. As the elevator car moves along the elevator guide rails, it drives the moving frame 12 to rise or fall along the fixed track 1. During this process, the rollers 14 remain pressed against the side wall of the elevator guide rails. When the elevator guide rails deform, the sliding rod 13 slides along with the deformation, thereby increasing or decreasing the pressure on the pressure sensor 16. By remotely transmitting the data monitored by the pressure sensor 16 to the receiving terminal, the deformation of the elevator guide rails can be calculated based on the monitored pressure data. When testing elevator guide rails with different spacing, the adjusting rod 23 can be rotated to drive the transmission bevel gear 24. The rotating bevel gear sleeve 22 causes the screw 2 to move and adjust the position of the moving plate 21, so that the spring 15 can still be compressed to squeeze the pressure sensor 16 even when the gap between the elevator guide rails is large. After adjusting the position of the moving plate 21 by rotating the adjusting rod 23, the initial pressure on the pressure sensor 16 is fixed. Then, a pair of ratchet sleeves 31 are rotated and placed on the middle of the adjusting rod 23, so that the adjusting rod 23 will not easily rotate again, thus making it difficult for the position of the moving plate 21 to change. This makes it difficult for the initial pressure of the pressure sensor 16 to change, so that the terminal system can calculate the deformation of the elevator guide rail based on the pressure value monitored by the pressure sensor 16. After placing a pair of ratchet sleeves 31 on the middle of the adjusting rod 23, the ratchet seat 3 will be attracted by the magnet 4, so that the ratchet sleeves 31 will not easily detach from the middle of the adjusting rod 23.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An elevator guide rail deformation amount detecting device comprising a fixed rail (1), characterized in that: The middle part of the fixed track (1) is slidably connected with a moving frame (12); both ends of the moving frame (12) are slidably connected with sliding rods (13); the other end of the sliding rod (13) is rotatably connected with a roller (14); the inside of the moving frame (12) is installed with a spring (15); one end of the spring (15) close to the sliding rod (13) is fixedly connected with a pressure sensor (16); the side wall of the moving frame (12) is fixedly connected with a connecting cable (17).

2. The elevator guide rail deformation amount detecting device according to claim 1, characterized by: The inside of the moving frame (12) is slidably connected with a screw rod (2); one end of the screw rod (2) close to the spring (15) is fixedly connected with a moving plate (21); the inside of the moving frame (12) is rotatably connected with a bevel gear sleeve (22); the bevel gear sleeve (22) is threadedly matched with the screw rod (2); the middle part of the moving frame (12) is rotatably connected with an adjusting rod (23); the end of the adjusting rod (23) is fixedly connected with a transmission bevel gear (24); the transmission bevel gear (24) is meshingly arranged with the bevel gear sleeve (22).

3. The elevator guide rail deformation amount detecting device according to claim 1, characterized by: The top of the moving frame (12) is slidably connected with a pair of ratchet wheel seats (3) in sequence; the middle part of the ratchet wheel seat (3) is rotatably connected with a ratchet wheel sleeve (31) through ratchet wheel cooperation; the ratchet wheel limiting directions of a pair of ratchet wheel sleeves (31) are oppositely arranged.

4. The elevator guide rail deformation amount detecting device according to claim 3, characterized by: The top of the moving frame (12) is fixedly connected with a magnet (4); the ratchet wheel seat (3) is made of magnetic material.

5. The elevator guide rail deformation amount detecting device according to claim 1, characterized by: Both ends of the moving frame (12) are fixedly connected with protective sleeves (5); the other end of the protective sleeve (5) is fixedly connected to the middle part of the sliding rod (13).

6. The elevator guide rail deformation amount detecting device according to claim 1, characterized by: The middle part of the connecting cable (17) is fixedly connected with an elastic connecting piece (6).

7. The elevator guide rail deformation amount detecting device according to claim 1, characterized by: The bottom of the sliding rod (13) is fixedly connected with a scraper (7); the scraper (7) is made of non-rigid wear-resistant material.

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