A v belt measuring device
By designing a V-belt measuring device with replaceable drive pulleys, the problem of existing technologies being unable to adapt to different types of V-belts was solved, enabling accurate measurement of transmission efficiency and simulated environmental testing, thus improving the comprehensiveness and accuracy of the testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIAMUSI UNIVERSITY
- Filing Date
- 2025-10-16
- Publication Date
- 2026-07-21
AI Technical Summary
In the existing technology, the transmission efficiency testing device for V-belts cannot adapt to different types of V-belts and cannot simulate their working environment, resulting in incomplete testing.
A V-belt measuring device was designed, which uses a bolted structure to install the transmission wheel and can be replaced according to different types of V-belts. It is equipped with a load device to simulate the working environment, and combined with a detection device to measure the speed and torque, so as to realize the detection of transmission efficiency.
It enables flexible replacement based on V-belt type and precise measurement of transmission efficiency, and can detect transmission efficiency under simulated working conditions, improving the comprehensiveness and accuracy of the detection.
Smart Images
Figure CN224534955U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of V-belt detection technology, specifically relating to a V-belt measuring device. Background Technology
[0002] In industrial production and mining operations, conveyor belts are key components connecting various production stages, and the accurate measurement of their length is crucial to ensuring the normal operation of machinery and production efficiency. V-belts, as a type of rubber belt widely used in industrial transmission systems, require testing of their transmission efficiency. In the prior art, Chinese patent with publication number CN222280124U discloses an environmentally friendly cut-edge V-belt comprehensive performance testing device. However, this prior art only sets up one type of transmission wheel structure. There are many types of existing V-belts, which require different types of transmission wheels. Furthermore, this prior art is only used for wear detection and cannot test the transmission efficiency of V-belts. Utility Model Content
[0003] To address the shortcomings of the existing technology, the present invention aims to provide a V-belt measuring device. This device mounts the drive wheel using a bolt structure, allowing for easy replacement of different types of V-belts. Additionally, the load device can simulate the working environment of the V-belt, and finally, the detection device can measure the rotational speed of the shaft, thereby measuring the transmission efficiency of the V-belt.
[0004] The technical solution adopted by this V-belt measuring device to solve its technical problem is as follows: A V-belt measuring device is provided, including a worktable. A slide groove is formed on one side of the top surface of the worktable, and a slider that can slide along the slide groove is arranged in the slide groove. An adjusting device for adjusting the position of the slider is arranged in the slide groove. A driving device is fixedly installed on the top surface of the slider. A first turntable is fixedly installed at the output end of the driving device. A rotating shaft is rotatably installed on the other side of the top surface of the worktable. A second turntable is fixedly installed at the upper end of the rotating shaft. Transmission wheels are respectively installed on the top surfaces of the first and second turntables by bolt structures. A detection device for detecting the rotation speed of the rotating shaft is arranged on the worktable. A load device for providing load to the rotating shaft is fixedly installed on the bottom surface of the worktable.
[0005] Furthermore, the adjusting device is a screw, which is rotatably installed in the slide groove, and the screw passes through the slider and is threadedly engaged.
[0006] Furthermore, a handle is fixedly installed at one end of the screw.
[0007] Furthermore, the driving device is a motor, which is fixedly installed at the position of the slider, and the output shaft of the motor is fixedly connected to the bottom surface of the first turntable.
[0008] Furthermore, the detection device is a torque sensor, with its input shaft fixedly connected to a rotating shaft, its output shaft fixedly connected to a load device, and its circuit connected to a PC.
[0009] Furthermore, the load device is a damper, with the lower end of the rotating shaft fixedly connected to the input end of the damper, and the damper fixedly installed on the bottom surface of the workbench.
[0010] Furthermore, the damper is a magnetic damper.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model exemplifies a V-belt measuring device. The user can disassemble and replace the drive pulley using a bolt structure, depending on the type of V-belt to be tested. After replacement, the V-belt is placed on the two drive pulleys. A moving device drives the slider to the left, tightening the V-belt on both pulleys. The user then activates the drive device, which rotates the drive pulley via a first turntable. The V-belt then drives the other drive pulley. The detection device measures the rotational speed of the shaft, and the load device provides resistance to the shaft. By measuring the linear velocity ratio of the two drive pulleys, the transmission efficiency of the V-belt in its working mode is determined. Compared to existing technologies, this utility model uses a bolt structure to install the drive pulleys, allowing for easy replacement based on different V-belt types. Furthermore, the load device simulates the working environment of the V-belt, and the detection device measures the rotational speed of the shaft, thus determining the transmission efficiency of the V-belt.
[0012] 2. The V-belt measuring device of this utility model can drive the slider to slide by rotating the screw. The structure of this adjusting device is simple and easy to use.
[0013] 3. In this utility model example, a V-belt measuring device has a handle that provides a point of leverage for the user, making it easier for the user to rotate the screw and thus more convenient to use.
[0014] 4. The V-belt measuring device of this utility model is provided by powering on the motor and controlling the output shaft of the motor to rotate through the motor controller, thereby controlling the rotation speed of the output shaft of the motor. The drive device has a simple structure and is easy to use.
[0015] 5. A V-belt measuring device according to this utility model, wherein the torque sensor can detect the rotational speed of the shaft and the torque it experiences during rotation, thereby measuring the force on the V-belt during use and measuring the speed difference between the two drive wheels, thereby measuring the transmission efficiency.
[0016] 6. In a V-belt measuring device according to this utility model, the damper can provide stable damping for the rotation of the shaft, thereby making the shaft rotate with resistance, which facilitates the detection of the transmission efficiency of the V-belt.
[0017] 7. The V-belt measuring device of this utility model, compared with other types of dampers, has a magnetic damper in which the damping disc does not contact the magnet, thus eliminating sliding friction, improving service life, and the magnetic damper can control the damping magnitude, making it convenient to use. Attached Figure Description
[0018] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the structure of this utility model.
[0019] In the diagram: 1. Worktable; 2. Slide; 3. Slider; 4. First turntable; 5. Shaft; 6. Second turntable; 7. Transmission wheel; 8. Screw; 9. Handle; 10. Motor; 11. Torque sensor; 12. Damper. Detailed Implementation
[0020] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.
[0021] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0022] like Figure 1As shown, a V-belt measuring device includes a worktable 1. A groove 2 is provided on one side of the top surface of the worktable 1. A slider 3 that can slide along the groove 2 is provided in the groove 2. An adjusting device for adjusting the position of the slider 3 is provided in the groove 2. A driving device is fixedly installed on the top surface of the slider 3. A first turntable 4 is fixedly installed at the output end of the driving device. A rotating shaft 5 is rotatably installed on the other side of the top surface of the worktable 1. A second turntable 6 is fixedly installed at the upper end of the rotating shaft 5. Transmission wheels 7 are respectively installed on the top surfaces of the first turntable 4 and the second turntable 6 by bolt structures. The bolt structures are set at the eccentric position of the transmission wheels 7. A detection device for detecting the rotation speed of the rotating shaft 5 is provided on the worktable 1. A load device for providing load to the rotating shaft 5 is fixedly installed on the bottom surface of the worktable 1. Depending on the type of V-belt to be tested, the user can disassemble and replace the drive pulley 7 using a bolt structure. After replacement, the V-belt is placed on the two drive pulleys 7. The sliding device moves the slider 3 to the left, tightening the V-belt on the two drive pulleys 7. The user then activates the drive device, which rotates the drive pulley 7 via the first turntable 4. The V-belt then rotates the other drive pulley 7. The detection device measures the rotational speed of the shaft 5, and the load device provides resistance to the shaft 5. By measuring the linear velocity ratio of the two drive pulleys 7, the transmission efficiency of the V-belt in its working mode can be determined. Compared to existing technologies, this invention uses a bolt structure to install the drive pulley 7, allowing for easy replacement of different types of V-belts. Furthermore, the load device simulates the working environment of the V-belt, and the detection device measures the rotational speed of the shaft 5, thus determining the transmission efficiency of the V-belt.
[0023] like Figure 1 As shown, in a further preferred embodiment, the adjusting device is a screw 8, which is rotatably mounted in the slide groove 2. One end of the screw 8 passes through the slide groove 2 and is rotatably connected. The screw 8 passes through the slider 3 and is threadedly engaged. Rotating the screw 8 can drive the slider 3 to slide. This adjusting device has a simple structure and is easy to use.
[0024] like Figure 1 As shown, in a further preferred embodiment, a handle 9 is fixedly mounted on one end of the screw 8. The handle 9 provides a point of leverage for the user, making it easier for the user to rotate the screw 8 and thus more convenient to use.
[0025] like Figure 1 As shown, in a further preferred embodiment, the driving device is a motor 10. The speed of the motor 10 is controlled by a motor controller. The motor 10 is fixedly installed at the position of the slider 3, and the output shaft of the motor 10 is fixedly connected to the bottom surface of the first turntable 4. When the motor 10 is powered on, the motor controller can control the rotation of the output shaft of the motor 10, thereby controlling the rotation speed of the output shaft of the motor 10. This driving device has a simple structure and is easy to use.
[0026] like Figure 1 As shown, in a further preferred embodiment, the detection device is a torque sensor 11. The input shaft of the torque sensor 11 is fixedly connected to the rotating shaft 5, specifically via a coupling. The output shaft of the torque sensor 11 is fixedly connected to the load device, and the torque sensor 11 is electrically connected to a PC. The torque sensor 11 can detect the rotational speed of the rotating shaft 5 and the torque it experiences during rotation, thereby measuring the force on the V-belt during use and the speed difference between the two drive pulleys 7, thus determining the transmission efficiency.
[0027] like Figure 1 As shown, in a further preferred embodiment, the load device is a damper 12, with the lower end of the rotating shaft 5 fixedly connected to the input end of the damper 12, and the damper 12 fixedly installed on the bottom surface of the workbench 1. The damper 12 can provide stable damping for the rotation of the rotating shaft 5, thereby ensuring resistance during the rotation of the rotating shaft 5, which facilitates the detection of the transmission efficiency of the V-belt.
[0028] like Figure 1 As shown, in a further preferred embodiment, the damper 12 is a magnetic damper. Magnetic dampers are existing technology, and their specific structure and usage have been disclosed, so this application will not elaborate further. Compared with other types of dampers, the damping disc of a magnetic damper does not contact the magnet, thus eliminating sliding friction, improving service life. Furthermore, the magnetic damper allows for control of the damping magnitude and is convenient to use.
[0029] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.
[0030] Apart from the technical features described in the specification, the other technical features are known to those skilled in the art. To highlight the innovative features of this utility model, the other technical features will not be described in detail here.
Claims
1. A V-belt measuring device, comprising a worktable (1), a groove (2) being provided on one side of the top surface of the worktable (1), a slider (3) being provided in the groove (2) and capable of sliding along it, and an adjusting device for adjusting the position of the slider (3) being provided in the groove (2), characterized in that, A drive device is fixedly installed on the top surface of the slider (3), and a first turntable (4) is fixedly installed at the output end of the drive device. A rotating shaft (5) is rotatably installed on the other side of the top surface of the worktable (1). A second turntable (6) is fixedly installed at the upper end of the rotating shaft (5). A transmission wheel (7) is installed on the top surface of the first turntable (4) and the second turntable (6) respectively by bolt structure. A detection device for detecting the rotation speed of the rotating shaft (5) is provided on the worktable (1), and a load device for providing load to the rotating shaft (5) is fixedly installed on the bottom surface of the worktable (1).
2. The V-belt measuring device according to claim 1, characterized in that, The adjustment device is a screw (8), which is rotatably installed in the slide groove (2) and passes through the slider (3) and is threadedly engaged.
3. The V-belt measuring device according to claim 2, characterized in that, A handle (9) is fixedly installed at one end of the screw (8).
4. The V-belt measuring device according to claim 1, characterized in that, The driving device is a motor (10), which is fixedly installed on the slider (3). The output shaft of the motor (10) is fixedly connected to the bottom surface of the first turntable (4).
5. A V-belt measuring device according to claim 1, characterized in that, The detection device is a torque sensor (11). The input shaft of the torque sensor (11) is fixedly connected to the rotating shaft (5), the output shaft of the torque sensor (11) is fixedly connected to the load device, and the circuit of the torque sensor (11) is connected to a PC.
6. A V-belt measuring device according to claim 1, characterized in that, The load device is a damper (12), the lower end of the rotating shaft (5) is fixedly connected to the input end of the damper (12), and the damper (12) is fixedly installed on the bottom surface of the workbench (1).
7. A V-belt measuring device according to claim 6, characterized in that, The damper (12) is a magnetic damper.