Elevator empty load balance coefficient detection device and detection method thereof

Abstract

The application discloses an elevator empty load balance coefficient detection device and relates to the elevator detection field. The elevator empty load balance coefficient detection device comprises a mounting plate, a driving motor body, a lifting roller and a balance coefficient detector arranged on the mounting plate, a U-shaped mounting rack inserted at one end of the mounting plate, a first track body and a second track body arranged in the mounting plate and a detection mechanism fixedly connected to the bottom of the mounting plate. The elevator empty load balance coefficient detection device adopts the structure that the first track main sliding block and the first track auxiliary sliding block are arranged in the mounting plate, the first track auxiliary sliding block can be quickly disassembled, the driving adjusting mechanism in the mounting plate can drive the first track sliding block to move, the self-adapting limiting mechanism at the bottom of the mounting plate can be quickly locked with the H-shaped steel above the elevator, and the purpose of adding the device above the old elevator can be achieved.

Description

Technical Field

[0001] This invention relates to the field of elevator testing, and in particular to an elevator unloaded balance coefficient testing device and testing method. Background Technology

[0002] The balance coefficient of a traction elevator is a key indicator. National standards and safety technical specifications clearly require that this coefficient be strictly controlled between 40% and 50%. This coefficient is a mandatory test item during elevator inspection, and whether its value complies with regulations directly affects whether the elevator can operate safely.

[0003] The elevator no-load balance coefficient testing device is used to measure the elevator no-load balance coefficient, which is an important performance indicator of traction drive elevators. The counterweight can partially balance the weight of the car and the load inside the car, reducing the load on the traction motor. Most existing elevator no-load balance coefficient testing devices are manufactured as an integral part of the elevator, which is not convenient to retrofit into existing elevators. When it is necessary to measure the no-load balance coefficient of an old elevator, it is necessary to perform complicated wiring measurements manually. On the one hand, the accuracy of the measurement cannot be guaranteed, and on the other hand, it increases the workload of daily elevator maintenance. Summary of the Invention

[0004] The purpose of this invention is to provide an elevator unloaded balance coefficient detection device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an elevator no-load balance coefficient detection device, comprising a mounting plate, and a drive motor body, lifting rollers, and a balance coefficient detector mounted on the mounting plate. A U-shaped mounting bracket is inserted into one end of the mounting plate. A first track body and a second track body are disposed within the mounting plate. A first track main slider and a first track secondary slider are slidably connected within the first track body. Both the first track main slider and the first track secondary slider are provided with a second threaded interface. The first track main slider is provided with a first threaded interface. A detection mechanism is fixedly connected to the bottom of the mounting plate. The detection mechanism is used to detect the installation and operating status of the device. The detection mechanism includes a first distance measuring device and a second distance measuring device fixedly connected to the bottom of the mounting plate. A drive adjustment mechanism is disposed within the mounting plate. The drive adjustment mechanism is used to drive the first track main slider and the first track secondary slider. The drive adjustment mechanism includes:

[0006] The first servo motor is mounted on the end of the mounting plate away from the U-shaped mounting bracket;

[0007] The first double-threaded screw is fixedly connected to the output end of the first servo motor, the first double-threaded screw is rotatably connected to the mounting plate, and the first double-threaded screw is threadedly connected to the second threaded interface.

[0008] The second servo motor is installed inside the mounting plate;

[0009] A threaded rod is fixedly connected to the output end of the second servo motor;

[0010] The bottom of the mounting plate is provided with an adaptive limiting mechanism, which is used to clamp the groove of the H-beam.

[0011] A second track block is slidably connected inside the second track body, and a connecting rod is fixedly connected to the bottom of the second track block. The adaptive limiting mechanism is fixedly connected to the connecting rod.

[0012] The adaptive limiting mechanism includes:

[0013] The spring body has one end fixedly connected to the inner wall of the connecting rod;

[0014] A connecting block is slidably connected inside the connecting rod, and the other end of the spring body is fixedly connected to the connecting block;

[0015] An adaptive limit block is fixedly connected to the bottom of the connecting block.

[0016] A driving mechanism is provided within the mounting plate. The driving mechanism is used to drive the adaptive limit mechanism. The driving mechanism includes:

[0017] The third servo motor is mounted on the end of the mounting plate away from the U-shaped mounting bracket;

[0018] The second double-threaded screw is fixedly connected to the output end of the third servo motor. The second double-threaded screw is rotatably connected to the mounting plate. The second double-threaded screw is threadedly connected to the second track block.

[0019] The drive motor body is fixedly connected to the upper ends of the first track main slider and the first track secondary slider, respectively. A power supply box is fixedly connected to the front of the drive motor body, a connecting shaft is installed on the back of the drive motor body, a first monitor is fixedly connected to the connecting shaft, the lifting roller is fixedly connected to the output end of the drive motor body, and a lifting steel rope is wound inside the lifting roller.

[0020] The balance coefficient detector is fixedly connected to the bottom of the first track main slider and the first track secondary slider, respectively. A friction connector is movably installed on the lifting steel rope, and a second monitor is fixedly connected to the friction connector.

[0021] Both the drive motor body and the balance coefficient detector are equipped with signal transmission mechanisms. These signal transmission mechanisms are used to transmit signals to the terminal and include:

[0022] Transmission connectors are respectively mounted on the drive motor body and the balance coefficient detector;

[0023] Remote signal connector, which is mounted on the transmission connector.

[0024] The first monitor is fixedly connected to the drive motor body via a first data transmission line, and the second monitor is fixedly connected to the balance coefficient detector via a second data transmission line.

[0025] The connecting rod is integrally formed with the second track block.

[0026] The method of using the elevator unloaded balance coefficient detection device includes the following steps;

[0027] Step 1: The installer observes the steel cable joints at the top of the elevator to be installed. If it is a single joint, first disassemble the U-shaped mounting bracket, then use the drive adjustment mechanism to disassemble the first track auxiliary slider and the detection equipment. Finally, use the drive adjustment mechanism to move the first track main slider to the middle position of the mounting plate. If it is a double joint, the disassembly step can be omitted. Then, the mounting plate is placed on the H-shaped steel above the elevator. The drive mechanism drives the adaptive limit mechanism to clamp the H-shaped steel at the bottom of the mounting plate. The first distance measuring device measures the distance between the H-shaped steel and the second track block. If the distance difference between the two points is equal to the length of the connecting rod, the mounting plate is fixed. If the distance between the two points deviates from the length of the connecting rod, the first distance measuring device flashes a red alarm and sends a fault signal to the terminal. The installer intervenes, checks the cause of the lack of clamping, and makes timely adjustments until the distance difference between the two points is equal to the length of the connecting rod.

[0028] Step 2: After the installation of the mounting plates is completed, if the elevator has a double-connection, the second distance measuring device measures the distance between the connections at the top of the elevator and sends the data to the terminal. The terminal sends a control signal to control the drive adjustment mechanism to adjust the two lifting rollers to correspond to the connection positions. If the elevator has a single-connection, the adjustment step of the drive adjustment mechanism can be omitted. The drive motor controls the lifting and lowering steel rope on the lifting and lowering rollers to fall and connect the lifting and lowering steel rope to the upper connection of the elevator. The second distance measuring device measures the distance to the top of the elevator and sends it to the terminal. The terminal compares the length of the lifting and lowering steel rope that has fallen with the distance to the top of the elevator. If the comparison results are equal, the elevator no-load balance coefficient measurement can begin. If the comparison results are not equal, the position of the first track slider is adjusted by the drive adjustment mechanism until the comparison results are equal before the elevator no-load balance coefficient measurement can be performed.

[0029] Step 3: The drive motor drives the lifting roller to rotate, which in turn retracts and extends the lifting steel cable. During this process, the first monitor on the connecting shaft collects data and transmits it to the drive motor via the first data transmission line. The lifting steel cable slides within the friction connector, and the second monitor on the friction connector collects data and transmits it to the balance coefficient detector via the second data transmission line. The drive motor and the balance coefficient detector transmit the measurement data to the terminal for recording via a signal transmission mechanism. During the data collection process, the detection mechanism continuously monitors the positions mentioned in Steps 1 and 2.

[0030] The technical effects and advantages of this invention are as follows:

[0031] 1. The elevator no-load balance coefficient detection device adopts a structure in which a first track main slider and a first track auxiliary slider are set in the mounting plate. A complete set of elevator no-load balance coefficient measuring equipment is installed on the first track main slider and the first track auxiliary slider. The first track auxiliary slider can be quickly disassembled and assembled. The drive adjustment mechanism in the mounting plate can drive the first track slider to move, which is convenient for aligning the lifting steel rope with the node on the elevator. At the same time, the self-adaptive limit mechanism at the bottom of the mounting plate can quickly lock with the H-shaped steel above the elevator, which is convenient for adding it above old elevators.

[0032] 2. The elevator no-load balance coefficient detection device has a detection mechanism installed at the bottom of the mounting plate. The first and second distance measuring devices inside the detection mechanism can be automatically calibrated when the mounting plate is erected. At the same time, when measuring the elevator no-load balance coefficient, the detection mechanism can detect the positions mentioned in steps one and two in real time to ensure that the mounting plate and H-beam remain perpendicular to each other. At the same time, it ensures that the lifting steel rope remains perpendicular to the ground, effectively guaranteeing the accuracy of data measurement and realizing automated measurement, which greatly reduces the workload of daily elevator maintenance. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 This is a schematic diagram of the drive adjustment mechanism structure of the present invention;

[0035] Figure 3 This is a schematic diagram of the balance coefficient detector structure of the present invention;

[0036] Figure 4 This is a schematic diagram of the signal transmission mechanism structure of the present invention;

[0037] Figure 5 This is a schematic diagram of the detection mechanism of the present invention;

[0038] Figure 6 This is a schematic diagram of the adaptive limiting mechanism structure of the present invention;

[0039] Figure 7 This is a flowchart illustrating the installation process of the mounting plate for this invention.

[0040] Figure 8 This is a flowchart illustrating the operation of connecting the lifting and lowering steel ropes according to the present invention.

[0041] In the diagram: 1. Mounting plate; 11. U-shaped mounting bracket; 12. First track body; 13. Second track body; 2. First track main slider; 21. First track auxiliary slider; 22. First threaded interface; 23. Second threaded interface; 3. Drive motor body; 31. Power supply box; 32. Connecting shaft; 33. First monitor; 331. First data transmission line; 34. Lifting and lowering rollers; 341. Lifting and lowering steel rope; 4. Drive adjustment mechanism; 41. First servo motor; 42. First double-threaded screw; 43. Second servo motor; 44. 5. Threaded rod; 6. Balance coefficient detector; 7. Second data transmission line; 8. Second monitor; 9. Friction connector; 10. Signal transmission mechanism; 11. Transmission connector; 12. Remote signal connector; 13. Drive mechanism; 14. Third servo motor; 15. Second double-threaded screw; 16. Detection mechanism; 17. First distance measuring device; 18. Second distance measuring device; 19. Connecting rod; 10. Second track block; 10. Adaptive limit mechanism; 101. Spring body; 102. Connecting block; 103. Adaptive limit block. Detailed Implementation

[0042] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0043] This invention provides, for example Figure 1 - Figure 6The elevator no-load balance coefficient detection device shown includes a mounting plate 1, and a drive motor body 3, lifting rollers 34, and balance coefficient detector 5 mounted on the mounting plate 1. The mounting plate 1 serves as the mounting base for the entire detection device, bearing all components and providing stable structural support for the device. It also facilitates the installation of the device above the elevator. A U-shaped mounting bracket 11 is inserted into one end of the mounting plate 1. A first track body 12 and a second track body 13 are provided inside the mounting plate 1. The first track body 12 and the second track body 13 provide sliding tracks for the first track main slider 2, the first track secondary slider 21, and the second track block 91, allowing these sliders to move within the tracks and adjust the position of the relevant components. The first track main slider 2 and the first track secondary slider 21 are slidably connected inside the first track body 12. The first track main slider 2 and the first track secondary slider 21 are both provided with a second threaded interface 23, and the first track main slider 2 is provided with a first threaded interface 22.

[0044] A detection mechanism 8 is fixedly connected to the bottom of the mounting plate 1. The detection mechanism 8 is used to detect the installation and operation status of the device, including the installation status of the mounting plate 1 and the H-beam, as well as the distance between the elevator top joints, to ensure correct installation and stable operation of the device and to guarantee the accuracy of the measurement data. The detection mechanism 8 includes a first distance measuring device 81 and a second distance measuring device 82 fixedly connected to the bottom of the mounting plate 1. A drive adjustment mechanism 4 is provided inside the mounting plate 1. The drive adjustment mechanism 4 is used to drive the first track main slider 2 and the first track secondary slider 21. The drive adjustment mechanism 4 includes:

[0045] The first servo motor 41 is installed at the end of the mounting plate 1 away from the U-shaped mounting bracket 11. The first servo motor 41 provides power to drive the first double-threaded screw 42 to rotate.

[0046] The first double-threaded screw 42 is fixedly connected to the output end of the first servo motor 41. The first double-threaded screw 42 is rotatably connected to the mounting plate 1. The first double-threaded screw 42 is threadedly connected to the second threaded interface 23. The second threaded interface 23 is located at the positions of the first track main slider 2 and the first track secondary slider 21 near the two ends of the mounting plate 1.

[0047] The second servo motor 43 is installed inside the mounting plate 1. The second servo motor 43 provides power to drive the threaded rod 44 to rotate.

[0048] The threaded rod 44 is fixedly connected to the output end of the second servo motor 43. When the elevator is a single contact point, the threaded rod 44 can be threadedly connected to the first threaded interface 22 on the first track main slider 2. The connection between the threaded rod 44 and the first double threaded screw 42 can transfer the first track main slider 2 to the middle position of the mounting plate 1.

[0049] The bottom of the mounting plate 1 is provided with an adaptive limiting mechanism 10, which is used to clamp the groove of the H-shaped steel.

[0050] A second track block 91 is slidably connected inside the second track body 13. A connecting rod 9 is fixedly connected to the bottom of the second track block 91, and an adaptive limiting mechanism 10 is fixedly connected to the connecting rod 9.

[0051] The adaptive limit mechanism 10 includes:

[0052] The spring body 101 has one end fixedly connected to the inner wall of the connecting rod 9;

[0053] The connecting block 102 is slidably connected to the connecting rod 9, and the other end of the spring body 101 is fixedly connected to the connecting block 102;

[0054] The adaptive limiting block 103 is fixedly connected to the bottom of the connecting block 102. When the device is mounted on the H-beam, the adaptive limiting block 103 clamps the groove of the H-beam under the action of the spring body 101.

[0055] A drive mechanism 7 is provided inside the mounting plate 1. The drive mechanism 7 drives the adaptive limit mechanism 10. By driving the second track block 91 to move, the adaptive limit mechanism 10 is driven to a suitable position, thereby achieving effective clamping of the H-beam. The drive mechanism 7 includes:

[0056] The third servo motor 71 is mounted on the end of the mounting plate 1 away from the U-shaped mounting bracket 11;

[0057] The second double-threaded screw 72 is fixedly connected to the output end of the third servo motor 71. The second double-threaded screw 72 is rotatably connected to the mounting plate 1. The second double-threaded screw 72 is threadedly connected to the second track block 91. The second double-threaded screw 72 is driven to rotate by the third servo motor 71, which in turn drives the second track block 91 to move.

[0058] The drive motor body 3 is fixedly connected to the upper ends of the first track main slider 2 and the first track secondary slider 21 respectively. A power supply box 31 is fixedly connected to the front of the drive motor body 3, which provides power to the drive motor body 3. A connecting shaft 32 is installed on the back of the drive motor body 3, and a first monitor 33 is fixedly connected to the connecting shaft 32. The first monitor 33 is used to collect relevant data. The lifting roller 34 is fixedly connected to the output end of the drive motor body 3, and a lifting steel rope 341 is wound inside the lifting roller 34.

[0059] The balance coefficient detector 5 is fixedly connected to the bottom of the first track main slider 2 and the first track secondary slider 21 respectively. The lifting steel rope 341 is movably installed with a friction connector 53, and the friction connector 53 is fixedly connected with a second monitor 52.

[0060] Both the drive motor body 3 and the balance coefficient detector 5 are equipped with a signal transmission mechanism 6. The signal transmission mechanism 6 is used to transmit signals to the terminal. The signal transmission mechanism 6 includes:

[0061] Transmission connector 61 is respectively mounted on drive motor body 3 and balance coefficient detector 5;

[0062] Remote signal connector 62 is mounted on transmission connector 61.

[0063] A first data transmission line 331 is fixedly connected between the first monitor 33 and the drive motor body 3, and a second data transmission line 51 is fixedly connected between the second monitor 52 and the balance coefficient detector 5.

[0064] The connecting rod 9 and the second track block 91 are manufactured as a single piece.

[0065] According to the appendix Figure 7 and Figure 8 As shown, it is particularly important to emphasize the installation and connection process and measurement and usage method of this elevator no-load balance coefficient detection device.

[0066] Step 1: The installer observes the steel cable joints at the top of the elevator to be installed. If it is a single joint, the U-shaped mounting bracket 11 is disassembled first, and then the first track auxiliary slider 21 and the detection equipment are disassembled using the drive adjustment mechanism 4. Finally, the first track main slider 2 is moved to the middle position of the mounting plate 1 using the drive adjustment mechanism 4. If it is a double joint, the disassembly step can be omitted. Then, the mounting plate 1 is placed on the H-shaped steel above the elevator. The drive mechanism 7 drives the adaptive limit mechanism 10 to clamp the H-shaped steel at the bottom of the mounting plate 1. The first distance measuring device 81 measures the distance between the H-shaped steel and the second track block 91. The detection principle of the first distance measuring device 81 is to emit a beam of light (infrared light) to the target object, receive the reflected light, and calculate the distance using the geometric relationship between the change of the incident angle and the baseline length.

[0067]

[0068] D: Target distance; L: Baseline length (known distance from the rangefinder to the reflector)

[0069] α: Angle between the target point and the baseline; β: Angle between the receiving beam and the baseline.

[0070] If the distance difference between the two points is equal to the length of the connecting rod 9, the installation plate 1 is fixed. If the distance between the two points deviates from the length of the connecting rod 9, the first distance measuring device 81 flashes a red light and sends a fault signal to the terminal. The installer intervenes, checks the cause of the loose connection, and makes timely adjustments until the distance difference between the two points is equal to the length of the connecting rod 9.

[0071] Step 2: After the installation of plate 1 is completed, if the elevator has a double-point connection, the second distance measuring device 82 measures the distance between the points at the top of the elevator and sends the data to the terminal. The terminal sends a control signal to control the drive adjustment mechanism 4 to adjust the two lifting rollers 34 to correspond to the position of the points. If the elevator has a single-point connection, the adjustment step of the drive adjustment mechanism 4 can be omitted. The drive motor body 3 controls the lifting steel rope 341 on the lifting roller 34 to fall and connect the lifting steel rope 341 to the upper end of the elevator. The second distance measuring device 82 measures the distance to the top of the elevator and sends it to the terminal. The measurement principle of the second distance measuring device 82 is the same as that of the first distance measuring device 81. The terminal compares the length of the lifting steel rope 341 that has fallen with the distance to the top of the elevator. If the comparison results are equal, the elevator no-load balance coefficient measurement can begin. If the comparison results are not equal, the position of the first track slider is adjusted by the drive adjustment mechanism 4 until the comparison results are equal before the elevator no-load balance coefficient measurement can be performed.

[0072] Step 3: The drive motor body 3 drives the lifting roller 34 to rotate, and the lifting roller 34 retracts and extends the lifting steel cable 341. During the retraction and extension process, the first monitor 33 on the connecting shaft 32 collects data and transmits the data to the drive motor body 3 through the first data transmission line 331. The second monitor 52 on the friction connector 53 collects data and transmits the data to the balance coefficient detector 5 through the second data transmission line 51. The drive motor body 3 and the balance coefficient detector 5 transmit the measurement data to the terminal for recording through the signal transmission mechanism 6. During the data collection process, the detection mechanism 8 continuously detects the positions mentioned in Step 1 and Step 2.

[0073] Example 1: The installer observes the steel cable connection points at the top of the elevator to be installed. If it is a single connection point, first disassemble the U-shaped mounting bracket 11, then use the drive adjustment mechanism 4 to disassemble the first track auxiliary slider 21 and the detection equipment, and then use the drive adjustment mechanism 4 to move the first track main slider 2 to the middle position of the mounting plate 1. If it is a double connection point, the above disassembly steps are omitted. Then, the mounting plate 1 is placed on the H-shaped steel above the elevator. The drive mechanism 7 drives the adaptive limit mechanism 10 to clamp the H-shaped steel at the bottom of the mounting plate 1. The first distance measuring device 81 measures the distance between the H-shaped steel and the second track block 91. If the distance difference between the two points is continuous... The length of the connecting rod 9 indicates that the mounting plate 1 is fixed. If the distance between the two points deviates from the length of the connecting rod 9, the first distance measuring device 81 flashes a red alarm and sends a fault signal to the terminal. The installer intervenes to check the cause of the loose connection and adjusts it in time until the distance difference between the two points is equal to the length of the connecting rod 9. After the mounting plate 1 is installed, if the elevator is a double-connection elevator, the second distance measuring device 82 measures the distance between the connections at the top of the elevator and sends the data to the terminal. The terminal sends a control signal to control the drive adjustment mechanism 4 to adjust the two lifting rollers 34 to correspond to the connection positions. If the elevator is a single-connection elevator, the adjustment step of the drive adjustment mechanism 4 is omitted. The drive motor body 3 controls the lifting and lowering steel rope 341 on the lifting and lowering roller 34 to fall, connecting the lifting and lowering steel rope 341 to the upper end of the elevator. The second distance measuring device 82 measures the distance to the top of the elevator and sends it to the terminal. The terminal compares the length of the lifting and lowering steel rope 341 that has fallen with the distance to the top of the elevator. If the comparison results are not equal, the position of the first track slider is adjusted by the drive adjustment mechanism 4 until the comparison results are equal, thus completing the installation preparation work.

[0074] Example 2: After the installation and connection are completed, the drive motor body 3 drives the lifting roller 34 to rotate. The lifting roller 34 winds up and down the lifting steel rope 341. During the winding and unwinding process, the first monitor 33 on the connecting shaft 32 collects data and transmits the data to the drive motor body 3 through the first data transmission line 331. The second monitor 52 on the friction connector 53 collects data and transmits the data to the balance coefficient detector 5 through the second data transmission line 51. The drive motor body 3 and the balance coefficient detector 5 transmit the measurement data to the terminal for recording through the signal transmission mechanism 6. During the data collection process, the detection mechanism 8 continuously detects the positions mentioned in steps one and two to ensure that the mounting plate 1 and the H-beam remain perpendicular. At the same time, it ensures that the lifting steel rope 341 remains perpendicular to the ground, effectively ensuring the accuracy of data measurement and realizing automated measurement, which greatly reduces the workload of daily elevator maintenance.

[0075] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An elevator empty balance coefficient detection device, comprising a mounting plate (1), and a driving motor body (3), a lifting roller (34) and a balance coefficient detector (5) arranged on the mounting plate (1), characterized in that, The mounting plate (1) is inserted with a U-shaped mounting rack (11) at one end, a first track main body (12) and a second track main body (13) are arranged in the mounting plate (1), a first track main sliding block (2) and a first track auxiliary sliding block (21) are slidably connected in the first track main body (12), a detection mechanism (8) is fixedly connected to the bottom of the mounting plate (1), the detection mechanism (8) is used for detecting the installation and operation state of the device, the detection mechanism (8) comprises a first distance measuring device (81) and a second distance measuring device (82) fixedly connected to the bottom of the mounting plate (1), a driving adjustment mechanism (4) is arranged in the mounting plate (1), and the driving adjustment mechanism (4) is used for driving the first track main sliding block (2) and the first track auxiliary sliding block (21). An adaptive limiting mechanism (10) is arranged at the bottom of the mounting plate (1), and the adaptive limiting mechanism (10) is used for clamping the groove of the H-shaped steel. A second track block (91) is slidably connected in the second track main body (13), a connecting rod (9) is fixedly connected to the bottom of the second track block (91), and the adaptive limiting mechanism (10) is fixedly connected to the connecting rod (9). The adaptive limiting mechanism (10) comprises: A spring main body (101) is fixedly connected to the inner wall of the connecting rod (9) at one end; A connecting block (102) is slidably connected in the connecting rod (9), and the other end of the spring main body (101) is fixedly connected to the connecting block (102); An adaptive limiting block (103) is fixedly connected to the bottom of the connecting block (102). A driving mechanism (7) is arranged in the mounting plate (1), and the driving mechanism (7) is used for driving the adaptive limiting mechanism (10), and the driving mechanism (7) comprises: A third servo motor (71) is installed at one end of the mounting plate (1) away from the U-shaped mounting rack (11); A second double-threaded screw rod (72) is fixedly connected to the output end of the third servo motor (71), and the second double-threaded screw rod (72) is rotatably connected in the mounting plate (1), and the second double-threaded screw rod (72) is in threaded connection with the second track block (91).

2. The elevator empty balance factor detection device according to claim 1, characterized by The driving motor main body (3) is fixedly connected to the upper end of the first track main sliding block (2) and the first track auxiliary sliding block (21) respectively, a power supply box (31) is fixedly connected to the front surface of the driving motor main body (3), a connecting shaft (32) is installed on the back surface of the driving motor main body (3), a first monitor (33) is fixedly connected to the connecting shaft (32), and a take-off and landing roller (34) is fixedly connected to the output end of the driving motor main body (3).

3. The elevator empty balance factor detection device according to claim 2, characterized by The balance coefficient detector (5) is fixedly connected to the bottom of the first track main sliding block (2) and the first track auxiliary sliding block (21) respectively, a friction connector (53) is movably installed on the lifting steel rope (341), and a second monitor (52) is fixedly connected to the friction connector (53).

4. The elevator unbalance coefficient detecting device according to claim 1, characterized by The driving motor body (3) and the balance coefficient detector (5) are both provided with a signal transmission mechanism (6), which is used for transmitting signals to the terminal, and the signal transmission mechanism (6) comprises: A transmission connector (61) is arranged on the driving motor body (3) and the balance coefficient detector (5) respectively; A remote signal connector (62) is arranged on the transmission connector (61).

5. The elevator unbalance coefficient detection device according to claim 3, characterized by The first monitor (33) and the driving motor body (3) are fixedly connected with a first data transmission line (331), and the second monitor (52) and the balance coefficient detector (5) are fixedly connected with a second data transmission line (51).

6. The elevator unbalance coefficient detection device according to claim 1, characterized by The first track main sliding block (2) and the first track auxiliary sliding block (21) are both provided with a second threaded interface (23), and the first track main sliding block (2) is provided with a first threaded interface (22), and the driving adjustment mechanism (4) comprises: A first servo motor (41) is arranged at one end of the mounting plate (1) away from the U-shaped mounting bracket (11); A first double-threaded screw rod (42) is fixedly connected to the output end of the first servo motor (41) and is rotatably connected to the mounting plate (1), and the first double-threaded screw rod (42) is threadedly connected to the second threaded interface (23); A second servo motor (43) is arranged in the mounting plate (1); A threaded rod (44) is fixedly connected to the output end of the second servo motor (43).

7. The method of using an elevator no-load factor detection device according to any of claims 1-6, characterized in that, The method comprises the following steps: Step one, the installer observes the steel rope joint point at the top of the elevator to be installed, if it is a single joint point, first disassemble the U-shaped mounting bracket (11), then use the driving adjustment mechanism (4) to disassemble the first track auxiliary sliding block (21) and the detection equipment, and finally use the driving adjustment mechanism (4) to move the first track main sliding block (2) to the middle position of the mounting plate (1), if it is a double joint point, the disassembly step can be omitted, then the mounting plate (1) is erected on the H-shaped steel above the elevator, the driving mechanism (7) drives the self-adaptive limiting mechanism (10) to clamp the H-shaped steel at the bottom of the mounting plate (1), the first distance measuring device (81) measures the distance between the two points of the H-shaped steel and the second track block (91), if the distance difference between the two points is the length of the connecting rod (9), the mounting plate (1) is fixed, if the distance between the two points deviates from the length of the connecting rod (9), the first distance measuring device (81) flashes red light and sends a fault signal to the terminal, the installer intervenes, checks the reason for not clamping, adjusts in time, and stops until the distance difference between the two points is the length of the connecting rod (9). Step two, after the installation of the plate (1) is completed, if the elevator is connected with double contact points, the second distance measuring device (82) measures the distance between the contact points at the top of the elevator and sends the data to the terminal, and the terminal sends a control signal to control the driving adjustment mechanism (4) to adjust the two lifting rollers (34) to correspond to the position of the contact points. If the elevator is connected with single contact point, the step of adjusting by driving adjustment mechanism (4) can be omitted. The driving motor body (3) controls the lifting steel rope (341) on the lifting roller (34) to fall, connects the lifting steel rope (341) with the upper end contact point of the elevator, and the second distance measuring device (82) measures the distance from the top of the elevator and sends it to the terminal. The terminal compares the length of the lifting steel rope (341) with the distance from the top of the elevator. If the comparison result is equal, the elevator empty load balance coefficient measurement can be started. If the comparison result is not equal, adjust the position of the first track slider through the driving adjustment mechanism (4) until the comparison result is equal, and then measure the elevator empty load balance coefficient. Step three, the driving motor body (3) drives the lifting roller (34) to rotate, and the lifting roller (34) retracts and releases the lifting steel rope (341). In the process of retraction and release, the first monitor (33) on the connecting shaft (32) collects data, and the first monitor (33) transmits the data to the driving motor body (3) through the first data transmission line (331). The lifting steel rope (341) slides in the friction connector (53), and the second monitor (52) on the friction connector (53) collects data, and the second monitor (52) transmits the data to the balance coefficient detector (5) through the second data transmission line (51). The driving motor body (3) and the balance coefficient detector (5) transmit the measured data to the terminal through the signal transmission mechanism (6) for recording. In the process of collecting data, the detection mechanism (8) always detects the positions mentioned in step one and step two.

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