Elevator steel wire rope tension deviation detection device

Abstract

The utility model relates to tension deviation detection technical field discloses a kind of elevator steel wire rope tension deviation detection devices, including support platform, the support platform inside is provided with stretch assembly, and the stretch assembly includes drive motor, and the drive motor output end is fixedly connected with main rocker, and the left and right ends of main rocker are rotatably connected with auxiliary rocker, and the support platform top is provided with front and rear symmetry guide rail, the guide rail inner wall is slidably connected with slider, and the slider top is fixedly connected with connecting table, and the connecting table top is fixedly connected with fixed column, and the fixed column between is provided with cable. In the utility model, drive motor drives main rocker to rotate, promotes auxiliary rocker to drive slider to displace in guide rail, and further drives fixed column to stretch cable, sensor in detector detects cable at this time, completes steel wire rope detection, reaches the effect of rapid detection, solves the problem of low detection efficiency, and operation is complicated, improves detection speed and work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of tension deviation detection technology, and in particular to an elevator wire rope tension deviation detection device. Background Technology

[0002] In modern society, elevators, as an indispensable vertical transportation tool, are widely used in various buildings. The safe operation of elevators is of paramount importance. As a key component of elevators, the uniformity of the elevator wire rope's tension directly affects the elevator's operational stability, comfort, and safety. If the wire rope tension deviates, it can cause vibration and noise during elevator operation, and may even lead to serious safety accidents. Therefore, accurately and efficiently detecting the tension deviation of elevator wire ropes has become a crucial link in ensuring the safe operation of elevators. A high-performance elevator wire rope tension deviation detection device is therefore of particular importance.

[0003] In existing technologies, elevator wire rope tension detection mainly employs some relatively traditional methods and mechanical structures. Some detection devices utilize the simple mechanical lever principle, manually applying a certain external force to pull the wire rope, and then roughly estimating the wire rope tension based on the degree of lever deformation or the magnitude of the external force required. Others are based on the principle of pressure sensors, installing pressure sensors at the fixed end of the wire rope. When the wire rope is under force, the sensor detects the pressure change and calculates the tension value. These methods can detect wire rope tension to a certain extent, but the overall technical principles and mechanical structures are relatively simple.

[0004] However, these existing technologies suffer from serious problems such as low detection efficiency and cumbersome operation. Traditional mechanical lever detection methods require manual operation for each test, with each wire rope being tested sequentially. This process is extremely time-consuming and labor-intensive. Moreover, due to human factors, it is difficult to ensure that the applied external force and the testing standard are consistent each time, which greatly reduces the accuracy and reliability of the test results. Furthermore, the entire testing process involves many manual operations, from installing the testing equipment to reading the test data. The steps are cumbersome and greatly affect the detection efficiency, failing to meet the needs of the rapid development and efficient maintenance of modern elevators. Therefore, an elevator wire rope tension deviation detection device is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an elevator wire rope tension deviation detection device, which aims to improve the problems of low detection efficiency and cumbersome operation in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: An elevator wire rope tension deviation detection device includes a support platform, and a tensioning component is provided inside the support platform for stretching the elevator wire rope. The stretching assembly includes a drive motor, the bottom of which is fixedly connected to the bottom of the inner wall of the support platform. A main rocker arm is fixedly connected to the output end of the drive motor. A secondary rocker arm is rotatably connected to both ends of the main rocker arm. A symmetrical guide rail is provided on the top of the support platform. The outer walls of the guide rails are fixedly connected to the inside of the support platform. A slider is slidably connected to the inner wall of each guide rail. The other end of each secondary rocker arm is rotatably connected to the bottom of the slider. A connecting platform is fixedly connected to the top of the slider. A fixed column is fixedly connected to the top of the connecting platform. A cable is arranged between the fixed columns. A fixed ring is fixedly connected to both ends of the cable. The fixed ring is sleeved on the outer wall of the fixed column.

[0007] As a further description of the above technical solution: The support platform has multiple cabinet doors on its side walls, which are arranged in an array inside the support platform. The side walls of the cabinet doors are all rotatably connected to the inside of the support platform.

[0008] As a further description of the above technical solution: A base is fixedly connected to the top of the cabinet door, and a display screen is fixedly connected to the side wall of the base.

[0009] As a further description of the above technical solution: A detector base is fixedly connected to the top of the base, and an upper detector is installed on the top of the detector base. Connectors are fixedly connected to the side walls of both the detector base and the upper detector.

[0010] As a further description of the above technical solution: A connecting block is fixedly connected to the other side wall of the upper detector. A handle is fixedly connected to the upper surface of the connecting block, and a limit block is fixedly connected to the lower surface of the connecting block.

[0011] As a further description of the above technical solution: A second connecting block is provided at the bottom of the first connecting block, and the side wall of the second connecting block is fixedly connected to the side wall of the detector base.

[0012] As a further description of the above technical solution: The connecting block 2 has a bearing block fixedly connected inside, and the bearing block has limit springs on both the left and right sides inside.

[0013] As a further description of the above technical solution: One end of the limiting spring is fixedly connected inside the bearing block, and the other end of the limiting spring is fixedly connected to a limiting ball.

[0014] This utility model has the following beneficial effects: 1. In this utility model, the drive motor drives the main rocker arm to rotate counterclockwise, which in turn causes the auxiliary rocker arms at both ends to rotate. The auxiliary rocker arms drive the slider to slide to both sides inside the guide rail. The slider moves outward, causing the connecting platform to move outward. The cable is stretched through the fixed column. During the stretching, the sensor in the detector detects the cable and displays the data on the display screen, thus completing the detection of the elevator wire rope tension deviation. This achieves the effect of rapid detection, solves the problems of low detection efficiency and cumbersome operation, and improves the detection speed and work efficiency.

[0015] 2. In this utility model, the operator first places the fixing rings at both ends of the cable onto the outer wall of the fixing columns on both sides, manually pulls the handle upwards to move the limiting block upwards, and squeezes the limiting ball to retract into the bearing block. The limiting spring is compressed under force. After the limiting block is completely disengaged, the upper detector can be opened, the cable is placed in, and the detector is closed. Then, the handle is pressed down to allow the limiting block to insert into the bearing block. The limiting ball is locked into the groove, achieving a stable detection effect. This solves the problems of easy loosening of the device and inaccurate detection during the detection process, and improves the detection accuracy and efficiency. Attached Figure Description

[0016] Figure 1 This is a perspective view of an elevator wire rope tension deviation detection device proposed in this utility model; Figure 2 This is a schematic diagram of the main rocker arm structure of an elevator wire rope tension deviation detection device proposed in this utility model; Figure 3 This is a schematic diagram of the base structure of an elevator wire rope tension deviation detection device proposed in this utility model; Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0017] Legend: 1. Support platform; 2. Cabinet door; 3. Drive motor; 4. Main rocker arm; 5. Secondary rocker arm; 6. Slider; 7. Guide rail; 8. Connecting platform; 9. Fixed column; 10. Fixed ring; 11. Cable; 12. Base; 13. Display screen; 14. Detector base; 15. Upper detector; 16. Connector; 17. Connecting block one; 18. Handle; 19. Connecting block two; 20. Bearing block; 21. Limiting spring; 22. Limiting ball; 23. Limiting block. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figure 1 and Figure 2 The present invention provides an embodiment of an elevator wire rope tension deviation detection device, which includes a support platform 1. The support platform 1 provides a stable support structure for the entire detection device and protects the internal tensioning components and other parts from interference from external factors. The support platform 1 is equipped with a tensioning component, which is used to stretch the elevator wire rope. The stretching assembly includes a drive motor 3, which is an AC asynchronous motor. The drive motor 3 provides power, converting electrical energy into mechanical energy, and drives the movement of subsequent components through the rotation of its output shaft. The bottom of the drive motor 3 is bolted to the bottom of the inner wall of the support platform 1. The output end of the drive motor 3 is fixedly connected to a main rocker arm 4 via a coupling. The main rocker arm 4 is made of alloy steel, which has high strength and toughness, and can withstand large torque and bending forces. Both ends of the main rocker arm 4 are rotatably connected to auxiliary rocker arms 5 via pins. The auxiliary rocker arms 5 are also made of alloy steel, and their function is to convert the rotation of the main rocker arm 4 into the movement of a slider 6 under the drive of the main rocker arm 4. The linear motion is achieved by using symmetrical guide rails 7 on the top of the support platform 1. The guide rails 7 are made of stainless steel with precision-machined inner walls, providing excellent flatness and wear resistance. The outer walls of the guide rails 7 are welded to the inside of the support platform 1. Sliding sliders 6, also made of stainless steel, are slidably connected to the inner walls of the guide rails 7. Both the sliders 6 and the inner walls of the guide rails 7 are coated with grease, resulting in low friction and smooth movement when sliding on the guide rails 7. The sliders 6 move linearly along the guide rails 7 under the push of the secondary rocker arm 5, thereby moving the connecting platform 8 and the fixed column 9 to stretch the cable 11. The other end of the secondary rocker arm 5 is connected by a pin. A rotating connection is established at the bottom of the slider 6 to transmit force. A connecting platform 8, made of aluminum alloy, is fixedly connected to the top of the slider 6. This platform is lightweight yet strong and connects the slider 6 to the fixed column 9, transferring the displacement of the slider 6 to the fixed column 9. A fixed column 9, made of carbon steel, is also fixedly connected to the top of the connecting platform 8. This fixed column 9 is used to secure both ends of the cable 11, which is stretched by its own movement. The cable 11, the elevator wire rope to be tested, is positioned between the fixed columns 9. Fixed rings 10 are fixedly connected to both ends of the cable 11 to securely fasten it to the fixed column 9, preventing it from coming loose during stretching. The fixing ring 10 is fitted onto the outer wall of the fixing column 9. The side wall of the support platform 1 is provided with multiple cabinet doors 2. The cabinet doors 2 are made of the same carbon steel material as the support platform 1. They are used to protect the internal components of the support platform 1 and facilitate the maintenance and operation of the internal equipment by the staff. The cabinet doors 2 are distributed in an array inside the support platform 1. The side walls of the cabinet doors 2 are rotatably connected to the inside of the support platform 1. The top of the cabinet doors 2 is fixedly connected to the base 12. The base 12 is made of aluminum alloy and can provide stable support for the display screen 13 and the detector base 14. The side wall of the base 12 is fixedly connected to the display screen 13. The display screen 13 is used to display the test data, so that the staff can intuitively obtain the test results. Specifically, when using the elevator wire rope tension deviation detection device, the operator first picks up the fixing rings 10 at both ends of the cable 11 and places them on the outer walls of the fixing posts 9 on the left and right sides, ensuring that the fixing rings 10 and the fixing posts 9 fit tightly together and the cable 11 is firmly fixed between the fixing posts 9. After completing the preparation, the operator operates the control button on the display screen 13 to send a control signal to the drive motor 3. After receiving the signal, the output end of the drive motor 3, i.e., the output shaft, rotates counterclockwise. Since the output end of the drive motor 3 is fixedly connected to the main rocker arm 4, the counterclockwise rotation of the output end of the drive motor 3 also drives the main rocker arm 4 to rotate counterclockwise around the output shaft of the drive motor 3. During the rotation of the main rocker arm 4, the positions of the pins at its left and right ends change, thereby driving the auxiliary rocker arm 5, which is rotated with it, to rotate as well. One end of the auxiliary rocker arm 5 makes a circular motion around the rotation connection point with the main rocker arm 4, and the other end pushes the slider 6 to slide along the guide rail 7 to both sides. The swing of the auxiliary rocker arm 5 is transmitted to the slider 6 through the pin, so that the slider 6 can only move in a straight line along the direction of the guide rail 7 under the constraint of the guide rail 7, sliding away from the drive motor 3. The outward displacement of the slider 6 is driven by the fixed connection between the connecting platform 8 and the slider 6, which also causes the connecting platform 8 to move outward. The connecting platform 8 is fixedly connected to the fixed column 9, so the displacement of the connecting platform 8 stretches the cable 11 through the fixed column 9, so that the cable 11 is subjected to tension. At the same time as stretching the cable 11, the sensors on the inner wall of the detector base 14 and the upper detector 15 start to work, detecting parameters such as the tension of the cable 11. The sensors convert the detected signals into electrical signals and transmit them to the control system of the display screen 13 through the line. After processing and analyzing the signals, the control system displays the detection data in the form of numbers or charts on the screen of the display screen 13. The operator can directly read the detection data from the display screen 13, thus completing the detection of the tension deviation of the elevator wire rope, thereby achieving the effect of rapid detection.

[0020] Reference Figure 3 and Figure 4The base 12 is bolted to the top of a testing instrument holder 14. The testing instrument holder 14 is made of engineering plastic, effectively protecting the internal testing components. Its function is to support and fix part of the structure of the testing cable 11, and to cooperate with the upper testing instrument 15 to complete the testing of the cable 11. The upper testing instrument 15, also made of engineering plastic, is mounted on top of the testing instrument holder 14. Together with the testing instrument holder 14, it forms the testing space for the testing cable 11, integrating various sensors and testing circuits for accurate detection of parameters such as tension deviation of the cable 11. The testing instrument holder 14 and... Connectors 16, which are metal bearings, are fixedly connected to the side walls of the upper testing instrument 15, allowing them to rotate relative to each other. Connecting block 17, made of aluminum alloy, is fixedly connected to the other side wall of the upper testing instrument 15. It connects to the handle 18, the limit block 23, and works with connecting block 19 to achieve the opening and locking function of the upper testing instrument 15. A handle 18, made of engineering plastic with a non-slip texture, is bolted to the upper surface of connecting block 17 for easy gripping. The upper detector 15 is opened and closed manually by providing a force application point for the operator. A limit block 23 is fixedly connected to the lower surface of connecting block 17. The limit block 23 is made of carbon steel and has holes on its left and right sides that align with the outer wall of the limit ball 22. These holes cooperate with the bearing block 20 and the limit ball 22 to achieve a locking function when the upper detector 15 is closed. A connecting block 29, also made of aluminum alloy, is located at the bottom of connecting block 17. Its main function is to cooperate with connecting block 17 to provide an installation base for components such as the bearing block 20. A detector base is fixedly connected to the side wall of connecting block 29. 14. A bearing block 20 is fixedly connected inside the connecting block 29. Limiting springs 21 are provided on both the left and right sides inside the bearing block 20. Their function is to store elastic potential energy when the limiting ball 22 is squeezed and retracted. When the limiting block 23 is disengaged, the elastic potential energy is released to push the limiting ball 22 to reset. One end of the limiting spring 21 is fixedly connected inside the bearing block 20, and the other end of the limiting spring 21 is fixedly connected to the limiting ball 22. The limiting ball 22 is made of steel ball and has high hardness and smooth surface. It cooperates with the grooves on the limiting block 23 and the bearing block 20 to realize the locking and unlocking of the upper detection instrument 15. Specifically, the staff member holds the handle 18 and pulls it upwards manually. Under the upward pulling force applied by the staff member, the handle 18 moves upwards. Since the handle 18 is fixedly connected to the connecting block 17, and the connecting block 17 is fixedly connected to the limiting block 23, the upward movement of the handle 18 causes the limiting block 23 at its bottom to move upwards simultaneously. During the upward movement of the limiting block 23, the wider part of its outer wall at the bottom gradually approaches and squeezes the limiting balls 22 on the left and right sides. After being squeezed by the limiting block 23, the limiting ball 22 overcomes the elastic force of the limiting spring 21 and retracts into the bearing block 20 along the guide groove inside the bearing block 20. During the retraction of the limiting ball 22, its sidewall will squeeze the limiting spring 21, causing the limiting spring 21 to be compressed, undergo elastic deformation, and store elastic potential energy. When the limiting block 23 continues to move upward and completely disengages from the bearing block 20, the limiting ball 22 loses the squeezing force of the limiting block 23. At this time, the limiting spring 21, which is in a compressed state, begins to release its elastic potential energy, pushing the limiting ball 22 to reset along the guide groove inside the bearing block 20 and return to its initial position. At this time, the lock between the upper detector 15 and the detector base 14 is released, and the operator can fully open the upper detector 15. After the operator places the cable 11 in the preset hole between the upper detector 15 and the detector base 14, the operator... Press the handle 18 down again to close the upper detector 15 downwards. Under the downward pressure applied by the operator, the handle 18 moves downwards, causing the connecting block 17 and the limiting block 23 to also move downwards. During the downward movement, the limiting block 23 gradually approaches the bearing block 20. When the limiting block 23 is inserted into the bearing block 20 again, the outer wall of the limiting block 23 presses against the limiting ball 22, causing the limiting ball 22 to move towards the groove inside the bearing block 20. When the limiting block 23 reaches the bottom position, the limiting ball 22, under the elastic force of the limiting spring 21, is locked into the grooves on the left and right sides of the bearing block 20, thus achieving a stable detection effect. This ensures that the cable 11 is securely clamped between the testing instrument base 14 and the upper detector 15 during the testing process, guaranteeing the accuracy of the test data.

[0021] Working Principle: When using this elevator wire rope tension deviation detection device, the operator first places the fixing rings 10 at both ends of the cable 11 onto the outer walls of the fixing posts 9 on the left and right sides. Then, the operator manually pulls the handle 18 upwards. The displacement of the handle 18 causes the limiting block 23 at its bottom to also move upwards. The displacement of the limiting block 23 causes its outer wall to squeeze the limiting balls 22 on the left and right sides, causing the limiting balls 22 to retract into the bearing block 20. The displacement of the limiting balls 22 squeezes the limiting springs 21 on its side wall, causing them to be compressed. When the limiting block 23 is completely disengaged from the bearing block 20, the limiting spring 21 pushes the limiting ball 22 back to its original position. At this time, the operator can fully open the upper detector 15, place the cable 11 in the hole between the upper detector 15 and the detector base 14, close the upper detector 15 again, and press the handle 18 downwards to allow the limiting block 23 to re-insert into the bearing block 20. The ball 22 is inserted into the grooves on both sides of the bearing block 20, thereby locking the detector base 14 and the upper detector 15, achieving a stable detection effect. After the preparation is completed, the operator controls the output of the drive motor 3 to rotate through the display screen 13. The output of the drive motor 3 drives the main rocker arm 4 to rotate counterclockwise. The rotation of the main rocker arm 4 drives the auxiliary rocker arms 5 on both sides to rotate as well. The rotation of the auxiliary rocker arms 5 drives the slider 6 to slide to both sides in the guide rail 7. The outward displacement of the slider 6 drives the connecting platform 8 to move outward as well, and stretches the cable 11 through the fixing column 9. While stretching the cable 11, the sensors on the inner wall of the detector base 14 and the upper detector 15 will detect the cable 11 and display the detection data on the screen of the display screen 13, thereby completing the detection of the elevator wire rope tension deviation and achieving the effect of rapid detection.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.

Claims

1. An elevator steel wire rope tension deviation detection device comprising a support table (1), characterized in that: The support platform (1) is equipped with a tensioning assembly, which is used to stretch the elevator wire rope. The stretching assembly includes a drive motor (3), the bottom of which is fixedly connected to the bottom of the inner wall of the support platform (1). The output end of the drive motor (3) is fixedly connected to a main rocker arm (4). The left and right ends of the main rocker arm (4) are rotatably connected to auxiliary rocker arms (5). The top of the support platform (1) is provided with symmetrical guide rails (7). The outer walls of the guide rails (7) are fixedly connected to the inside of the support platform (1). The inner walls of the guide rails (7) are slidably connected to sliders (6). The other end of the auxiliary rocker arm (5) is rotatably connected to the bottom of the slider (6). The top of the slider (6) is fixedly connected to a connecting platform (8). The top of the connecting platform (8) is fixedly connected to a fixing column (9). A cable (11) is provided between the fixing columns (9). The left and right ends of the cable (11) are fixedly connected to fixing rings (10). The fixing rings (10) are sleeved on the outer walls of the fixing columns (9).

2. The elevator steel wire rope tension deviation detection device according to claim 1, characterized by: The support platform (1) has multiple cabinet doors (2) on its side wall. The cabinet doors (2) are arranged in an array inside the support platform (1). The side walls of the cabinet doors (2) are all rotatably connected inside the support platform (1).

3. The elevator steel wire rope tension deviation detection device according to claim 2, characterized by: The cabinet door (2) is fixedly connected to a base (12) at the top, and a display screen (13) is fixedly connected to the side wall of the base (12).

4. The elevator steel wire rope tension deviation detection device according to claim 3, characterized by: The base (12) is fixedly connected to the top of the detector seat (14), and the detector seat (14) is provided with an upper detector (15). The side walls of the detector seat (14) and the upper detector (15) are both fixedly connected to connectors (16).

5. The elevator steel wire rope tension deviation detection device according to claim 4, characterized by: The upper detector (15) is fixedly connected to a connecting block (17) on the other side wall. A handle (18) is fixedly connected to the upper surface of the connecting block (17), and a limit block (23) is fixedly connected to the lower surface of the connecting block (17).

6. The elevator steel wire rope tension deviation detection device according to claim 5, characterized by: The bottom of the first connecting block (17) is provided with a second connecting block (19), and the side wall of the second connecting block (19) is fixedly connected to the side wall of the detector base (14).

7. The elevator steel wire rope tension deviation detection device according to claim 6, characterized by: The connecting block 2 (19) is fixedly connected to a bearing block (20), and the bearing block (20) is provided with limit springs (21) on both the left and right sides inside.

8. The elevator steel wire rope tension deviation detection device according to claim 7, characterized by: One end of the limiting spring (21) is fixedly connected inside the bearing block (20), and the other end of the limiting spring (21) is fixedly connected to the limiting ball (22).

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