Elevator steel belt simulation vibration operation experiment device

Abstract

The utility model discloses an elevator steel belt vibration simulation operation experiment device which comprises a test supporting table, a steel belt transmission device and a stretching device, the steel belt transmission device and the stretching device are arranged on the test supporting table, and an elevator steel belt is arranged between the steel belt transmission device and the stretching device. The system further comprises a vibration simulation device which can simulate periodic operation of the elevator steel belt under the vibration working condition. The elevator steel belt vibration simulation operation experiment device can simulate periodic operation of the elevator steel belt under a vibration working condition, and provides a test platform for a follow-up elevator steel belt detection device.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an elevator steel belt vibration simulation operation experimental device. Background Art

[0002] The traction steel belt plays a vital role in the elevator traction system. It bears the entire weight of the car and counterweight, and pushes the car up or down through the friction between the traction wheel groove. It is a key component in the elevator and is directly related to the safety of the elevator. As a new type of elevator traction medium, the composite steel belt is mainly used to replace the traditional traction wire rope. Due to its innovative design and excellent energy-saving effect, it is welcomed by more and more users and its market share is increasing rapidly. The composite steel belt plays an important role in the load and drive of the elevator. The good or bad condition of the composite steel belt directly affects the safe operation of the elevator. Therefore, it is very important to detect the elevator steel belt. In the initial test stage of the detection device, it is necessary to study the actual condition of the defective elevator steel belt during operation.

[0003] The existing elevator steel belt operation experimental device can generally only simulate the operation of the elevator steel belt, but cannot simulate the operation of the elevator steel belt under vibration. Utility Model Content

[0004] In view of the above technical problems, the utility model proposes an elevator steel belt simulated vibration operation experimental device, which can simulate the vibration of the elevator steel belt during actual operation and provide a test platform for subsequent detection devices.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical means:

[0006] An elevator steel belt vibration simulation operation experimental device comprises a test support platform, a steel belt transmission device and a stretching device arranged on the test support platform, the elevator steel belt is arranged between the steel belt transmission device and the stretching device; and also comprises a simulated vibration device, which can simulate the periodic operation of the elevator steel belt under vibration conditions.

[0007] The steel belt transmission device comprises a transmission shaft, a bearing seat 1, a fixed support 1, a transmission traction wheel, a bearing seat 2, a coupling 1, a fixed support 2 and a transmission motor; wherein,

[0008] The fixed support 1 is installed at one end of the test support table, the bearing seat 1 and the bearing seat 2 are installed on the fixed support 1, and the transmission shaft passes through the bearing seat 1 and the bearing seat 2 and is connected to the output shaft of the transmission motor through the coupling 1;

[0009] The second fixed support is installed on the test support table and is located on one side of the first fixed support, the main body of the transmission motor is installed on the second fixed support, and the transmission traction wheel is sleeved on the transmission shaft;

[0010] The stretching device comprises a bearing seat 3, a slide rail platform, a fixed support 3, a bearing seat 4, a driven shaft, a driven traction wheel, a stretching connection block, a fixed support 4 and a linear telescopic unit; wherein the slide rail platform is installed at the other end of the test support platform, the fixed support 3 and the fixed support 4 are both installed on the slide rail platform, the bearing seat 3 and the bearing seat 4 are installed on the fixed support 3, the driven shaft passes through the bearing seat 3 and the bearing seat 4, and the driven traction wheel is coaxially sleeved on the driven shaft;

[0011] One end of the stretching connection block is sleeved on the fixed support three, and the other end is connected to the linear telescopic unit, and the linear telescopic unit is installed on the fixed support four; the elevator steel belt is installed between the driving traction wheel and the driven traction wheel.

[0012] The number of the driving traction wheels and the number of the driven traction wheels are the same and both include a plurality.

[0013] The simulated vibration device includes a modal exciter bracket, multiple modal exciters, a manually adjustable slide rail and fixing screws. The modal exciter bracket is installed on the experimental support table, the manually adjustable slide rail is installed on the modal exciter bracket, and multiple modal exciters are installed on the manually adjustable slide rail. The fixing screws can fix the positions of the multiple modal exciters.

[0014] The number of the modal exciters is 2, and the two modal exciters respectively excite two elevator steel belts at different positions.

[0015] The linear telescopic unit is a cylinder. Beneficial Effects

[0016] First, the utility model is an elevator steel belt simulated vibration operation experimental device, which can simulate the operation of the elevator steel belt under vibration by adding a simulated vibration device.

[0017] Second, the test bench has multiple traction wheels that can rotate simultaneously and are suitable for detecting multiple steel belts at the same time.

[0018] Third, the test bench is provided with multiple modal exciters, the positions of the modal exciters can be adjusted, the vibration frequencies of the modal exciters can be adjusted, and different vibration conditions of the steel belt can be simulated at the same time, which is convenient for testing the detection effect of the detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of a steel belt transmission device;

[0021] Figure 3 Schematic diagram of the vibration simulation device;

[0022] Figure 4 This is a schematic diagram of manually adjusting the slide rail fixation of the simulated vibration device;

[0023] Figure 5 is a schematic diagram of a stretching device;

[0024] Among them: 1. steel belt transmission device; 2. experimental support table; 3. elevator steel belt; 4. simulated vibration device; 5. stretching device; 101. transmission shaft; 102. bearing seat one; 103. fixed support one; 104. transmission traction wheel; 105. bearing seat two; 106. coupling one; 107. fixed support two; 108. transmission motor; 401. modal exciter bracket; 402. modal exciter one; 403. modal exciter two; 404. manual slide rail; 405. fixing screw; 501. bearing seat three; 502. slide rail table; 503. fixed support three; 504. bearing seat four; 505. driven shaft; 5-6. driven traction wheel; 507. stretching connection block; 508. fixed support four; 509. cylinder 509. DETAILED DESCRIPTION

[0025] The technical solution of the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0026] An elevator steel belt simulated vibration operation test device comprises a test support platform 2, a steel belt transmission device 1, a simulated vibration device 4 and a stretching device 5 arranged on the test support platform, and an elevator steel belt 3 arranged between the steel belt transmission device and the stretching device;

[0027] The steel belt transmission device includes a transmission shaft 101, a bearing seat 102, a fixed support 103, a transmission traction wheel 104, a bearing seat 105, a coupling 106, a fixed support 107, and a transmission motor 108; the test support platform 2 is provided with a mounting hole, the fixed support 103 is installed on the test support platform 2, the fixed support 103 is provided with a mounting hole, the bearing seat 102 and the bearing seat 105 are installed on the fixed support 103, the transmission shaft 101 passes through the bearing seat 102 and the bearing seat 105, and is connected to the coupling 106, the other end of the coupling 106 is connected to the output shaft of the transmission motor 108, the test support platform 2 is provided with a mounting hole, the fixed support 107 is installed on the test support platform 2, the main body of the transmission motor 108 is installed on the fixed support 107, and the transmission traction wheel 104 is sleeved on the transmission shaft 101;

[0028] The simulated vibration device 4 includes a modal exciter bracket 401, a modal exciter 1 402, a modal exciter 2 403, a manually adjustable slide rail 404, and a fixing screw 405. The test support platform 2 is provided with a mounting hole, the modal exciter bracket 401 is installed on the test support platform 2, the modal exciter bracket 401 is provided with a mounting hole, and the manually adjustable slide rail 404 is installed on the modal exciter bracket 401; the modal exciter 1 402 and the modal exciter 2 403 are installed on the manually adjustable slide rail 404, and the fixing screw 405 can fix the position of the modal exciter 1 402 and the modal exciter 2 403; after installation, the modal exciter 1 402 and the modal exciter 2 403 can contact the elevator steel belt.

[0029] The stretching device 5 includes a bearing seat 3 501, a slide table 502, a fixed support 3 503, a bearing seat 4 504, a driven shaft 505, a driven traction wheel 506, a stretching connection block 507, a fixed support 4 508, and a cylinder 509; the test support table 2 is provided with a mounting hole, the slide table 502 is installed on the test support table 2, the slide table 502 is provided with a mounting hole, the fixed support 3 503 and the fixed support 4 508 are both installed on the slide table 502, the fixed support 3 503 is provided with a mounting hole, the bearing seat 3 50 1 and bearing seat four 504 are installed on the fixed support three 503, the driven shaft 505 passes through the bearing seat three 501 and the bearing seat four 504, the driven traction wheel 506 is sleeved on the driven shaft 505, one end of the stretching connection block 507 is sleeved on the fixed support three 503, and the other end is connected to the cylinder 509, the fixed support four 508 is provided with a mounting hole, and the cylinder 509 is mounted on the fixed support four 508; the elevator steel belt 3 is installed between the driving traction wheel 104 and the driven traction wheel 506, and multiple elevator steel belts can be installed at the same time.

[0030] As a further preferred embodiment of the technical solution of the utility model, the test bench has multiple traction wheels that can rotate simultaneously and are suitable for detecting multiple steel belts at the same time.

[0031] As a further optimization of the technical solution of the utility model, the test bench may also have multiple modal exciters, and the vibration frequency of the modal exciters may also be adjustable, so as to simultaneously simulate different vibration conditions of the steel belt, thereby facilitating the testing of the detection effect of the detection device.

[0032] Experimental method of the utility model elevator steel belt simulated vibration operation test device:

[0033] The first step is to adjust the cylinder to the lowest mode. At this time, the distance between the steel belt transmission device and the stretching device is the shortest. Put the elevator steel belt to be tested on it, and connect the two ends of the elevator steel belt with steel nails to form a closed ring.

[0034] Step 2: The control cylinder is gradually enlarged, and the elevator steel belts are tightened continuously;

[0035] The third step is to control the transmission motor to rotate so that the elevator steel belt rotates;

[0036] Step 4: Control the modal exciter to simulate the vibration condition of the elevator steel belt.

Claims

1. An elevator steel belt simulated vibration operation test device, comprising a test support platform, a steel belt transmission device and a stretching device arranged on the test support platform, wherein the elevator steel belt is arranged between the steel belt transmission device and the stretching device; characterized in that: It also includes a vibration simulation device, which can simulate the periodic operation of the elevator steel belt under vibration conditions; The steel belt transmission device comprises a transmission shaft, a bearing seat 1, a fixed support 1, a transmission traction wheel, a bearing seat 2, a coupling 1, a fixed support 2 and a transmission motor; wherein, The fixed support 1 is installed at one end of the test support table, the bearing seat 1 and the bearing seat 2 are installed on the fixed support 1, and the transmission shaft passes through the bearing seat 1 and the bearing seat 2 and is connected to the output shaft of the transmission motor through the coupling 1; The second fixed support is installed on the test support table and is located on one side of the first fixed support, the main body of the transmission motor is installed on the second fixed support, and the transmission traction wheel is sleeved on the transmission shaft; The stretching device comprises a bearing seat 3, a slide rail platform, a fixed support 3, a bearing seat 4, a driven shaft, a driven traction wheel, a stretching connection block, a fixed support 4 and a linear telescopic unit; wherein the slide rail platform is installed at the other end of the test support platform, the fixed support 3 and the fixed support 4 are both installed on the slide rail platform, the bearing seat 3 and the bearing seat 4 are installed on the fixed support 3, the driven shaft passes through the bearing seat 3 and the bearing seat 4, and the driven traction wheel is coaxially sleeved on the driven shaft; One end of the stretching connection block is sleeved on the fixed support three, and the other end is connected to the linear telescopic unit, and the linear telescopic unit is installed on the fixed support four; the elevator steel belt is installed between the driving traction wheel and the driven traction wheel; The simulated vibration device includes a modal exciter bracket, multiple modal exciters, a manually adjustable slide rail and fixing screws. The modal exciter bracket is installed on the test support table, the manually adjustable slide rail is installed on the modal exciter bracket, and multiple modal exciters are installed on the manually adjustable slide rail. The fixing screws can fix the positions of the multiple modal exciters.

2. The elevator steel belt simulated vibration operation experimental device according to claim 1 is characterized in that: The number of the driving traction wheels and the number of the driven traction wheels are the same and both include a plurality.

3. The elevator steel belt simulated vibration operation experimental device according to claim 2, characterized in that: The number of the modal exciters is 2, and the two modal exciters respectively excite two elevator steel belts at different positions.

4. The elevator steel belt simulated vibration operation experimental device according to claim 1, characterized in that: The linear telescopic unit is a cylinder.

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