Test bed for braking torque detection and material running-in
By introducing force sensors, angle sensors, and lever mechanisms into the braking torque detection and material break-in test bench, the problems of poor detection accuracy and braking effect were solved, achieving high-precision detection and optimized braking performance, and ensuring the safe operation of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 焦作市制动器开发有限公司
- Filing Date
- 2025-06-17
- Publication Date
- 2026-05-19
AI Technical Summary
Existing braking torque testing devices and brake material break-in test benches have low testing accuracy, making it difficult to meet the high precision requirements of large band brakes, and their braking effect is poor, posing safety hazards.
The test bench, which includes a braking system, a detection system, and a control system, is used to perform precise measurements using force and angle sensors. The lever mechanism and brake pads are combined to enhance friction, and a symmetrical hydraulic cylinder is used to provide stable driving force, thereby achieving high-precision detection and optimized braking performance.
It enables high-precision testing of large band brakes, improves the reliability of test results, significantly enhances braking effect, and ensures the smoothness and safety of equipment operation.
Smart Images
Figure CN224262690U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of brake testing and brake material testing technology, and in particular to a test bench for braking torque testing and material break-in. Background Technology
[0002] In the operation of large mechanical equipment, the band brake, as a core braking component, plays a crucial role. The accuracy of its braking torque and the break-in performance of the braking material are like the gears and springs of a precision instrument, directly affecting the smoothness and reliability of the entire equipment operation. The accuracy of the braking torque determines whether the equipment can respond quickly and stably to operating commands during emergency braking or deceleration, thereby ensuring the smooth progress of the work process and the safety of the operators. The break-in performance of the braking material affects the smoothness and durability of the braking process, which is a key factor in the long-term stable operation of the equipment.
[0003] Currently available braking torque testing devices and brake material break-in test benches have revealed many problems that urgently need to be solved in practical applications. First, the testing accuracy is generally low, making it difficult to obtain accurate results. Due to limitations in design and manufacturing technology, these devices often have a large error range when measuring braking torque, and can only meet basic testing requirements, but cannot reach the high-precision standards required for large band brakes. This lack of testing accuracy greatly reduces the reliability of the test results, making it difficult to accurately assess the true performance of the brake. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a test bench for braking torque detection and material break-in.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a test bench for braking torque detection and material break-in, comprising a braking system, a detection system, and a control system. The braking system includes a brake wheel, with a support shaft rotatably connected to both ends of the brake wheel. The brake wheel is rotatably connected to a bracket at both ends of the support shaft. A base is fixed to the bottom of the bracket, and a driving hydraulic cylinder is fixed to the upper end of the base. A force sensor is fixed to the upper end of the driving hydraulic cylinder, and a lever is rotatably connected to the upper end of the force sensor. An angle sensor is fixed to the surface of the lever, and the side end of the lever is rotatably connected to the upper end of the bracket.
[0006] Preferably, the braking system further includes a brake band and a band brake assembly. The inner wall of the brake band is wrapped around the surface of the brake wheel, and brake pads are detachably connected to the outer wall of the brake band. The bottom of the band brake assembly is fixed to the surface. In the prior art, traditional large-scale band brake torque detection devices and brake material break-in test benches have obvious limitations in terms of braking effect and are difficult to meet the high requirements of modern large-scale mechanical equipment for braking performance. These traditional devices are often relatively simple in design and structure. During braking, the friction between the brake band and the brake wheel is insufficient, resulting in poor braking effect and posing a significant safety hazard. This utility model uses a band brake assembly including a brake band and brake pads. The brake band is wrapped around the brake wheel, and the pressure between the brake band and the brake wheel is controlled by a lever mechanism to achieve the braking function. The brake pads can enhance the friction between the brake band and the brake wheel, thereby improving the braking effect.
[0007] The control system is connected to the drive hydraulic cylinder, force sensor, and angle sensor. Operators can set test parameters through the control interface. The control system controls the movement of the symmetrical drive hydraulic cylinder according to the set parameters, collects and processes data from the detection system, and displays test data and results in real time. This control system automates the testing process, reduces human error, improves testing efficiency, and shortens testing time compared to traditional methods.
[0008] Preferably, the plurality of drive hydraulic cylinders are symmetrically distributed. This symmetrical drive structure can provide a stable and uniform driving force, ensuring the smooth rotation of the brake wheel.
[0009] Preferably, a fixing stud is fixed to the upper end of the base, and a fixing nut is threaded onto the surface of the fixing stud. The fixing nut is fixed to the bracket via the base, and an annular washer is fixed to the bottom of the fixing nut. A spring inner washer is slidably connected to the outer wall of the base. The annular washer further increases the contact area between the fixing nut and the base, making the pressure distribution more uniform, thereby enhancing the structural stability of the entire device. This ensures that even under large impact forces during braking, the bracket and the base will not loosen or shift, guaranteeing the normal operation of the device and the accuracy of the test data.
[0010] Preferably, a support base plate is fixed to the bottom of the base, and a soft pad is slidably connected to the bottom of the support base plate. A brake rod is fixed inside the soft pad, and a brake sleeve is slidably connected to the bottom of the brake rod. A spring is fixed to the upper end of the brake rod, and the surface of the spring is fixed to the soft pad. When the device generates impact or vibration, the soft pad and the spring work together to form a two-stage buffer system. The soft pad first provides initial buffering against the impact, and the spring on the surface of the brake sleeve and the brake rod further absorbs and disperses the impact energy. When the device resets, some of the energy is converted into internal energy between the brake sleeve and the brake rod for consumption, effectively reducing the impact of vibration on the device, protecting the accuracy and stability of the detection system and braking components, and extending the service life of the device.
[0011] Beneficial effects:
[0012] 1. In the existing technology, the existing braking torque testing devices and brake material break-in test benches on the market have revealed many problems that urgently need to be solved in practical applications. First, the testing accuracy is generally low, making it difficult to obtain accurate results. Due to limitations in design and manufacturing technology, these devices often have a large error range when measuring braking torque, only meeting basic testing requirements, but failing to meet the high-precision standards required for large band brakes. This lack of testing accuracy greatly reduces the reliability of the test results, making it difficult to accurately assess the true performance of the brake. To address these problems, this utility model, through the precise measurement of force sensors and angle sensors, combined with existing advanced data processing algorithms, can achieve high-precision testing of the braking torque of large band brakes, thus improving the testing accuracy technology.
[0013] 2. In the existing technology, traditional large-scale band brake torque testing devices and brake material break-in test benches have obvious limitations in terms of braking effect, making it difficult to meet the high braking performance requirements of modern large-scale machinery. These traditional devices are often relatively simple in design and structure. During the braking process, the friction between the brake band and the brake wheel is insufficient, resulting in poor braking effect and posing a significant safety hazard. This utility model uses a band brake assembly including a brake band and brake pads. The brake band is wrapped around the brake wheel, and the pressure between the brake band and the brake wheel is controlled by a lever mechanism to achieve the braking function. The brake pads can enhance the friction between the brake band and the brake wheel, thereby improving the braking effect. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is a side view of the present invention.
[0016] Figure 3 This is a schematic diagram of the bottom structure of this utility model;
[0017] Figure 4 This is a schematic diagram of the shock absorption structure of this utility model;
[0018] Figure 5 This is a cross-sectional structural diagram of the shock absorption device of this utility model;
[0019] Figure 6 This is a schematic diagram of the bolt structure of this utility model.
[0020] Legend:
[0021] 1. Brake wheel; 2. Brake band; 3. Lever; 4. Support shaft; 5. Brake shoe; 6. Brake bracket; 7. Base; 701. Fixing stud; 702. Annular washer; 703. Fixing nut; 704. Spring inner washer; 705. Support base plate; 706. Soft pad; 707. Brake lever; 708. Spring; 709. Brake sleeve; 8. Drive hydraulic cylinder; 9. Band brake assembly; 10. Force sensor; 11. Angle sensor. Detailed Implementation
[0022] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation plan without creative effort are all within the protection scope of this utility model.
[0023] The specific embodiments of this utility model are described below with reference to the accompanying drawings. Specific implementation examples:
[0025] Reference Figure 1-6A test bench for braking torque detection and material break-in includes a braking system, a detection system, and a control system. The braking system includes a brake wheel 1, with support shafts 4 rotatably connected to both ends of the brake wheel 1. Brake wheel 1 is rotatably connected to brackets 6 via the support shafts 4. A base 7 is fixed to the bottom of the bracket 6, and a driving hydraulic cylinder 8 is fixed to the upper end of the base 7. A force sensor 10 is fixed to the upper end of the driving hydraulic cylinder 8, and a lever 3 is rotatably connected to the upper end of the force sensor 10. An angle sensor 11 is fixed to the surface of the lever 3, and the side end of the lever 3 is rotatably connected to the upper end of the bracket 6. In the prior art, existing braking torque detection devices and brake material break-in test benches on the market have revealed various shortcomings in practical applications. Several problems urgently need to be solved. First, the detection accuracy is generally low, making it difficult to obtain accurate results. Due to limitations in design and manufacturing technology, these devices often have a large error range when measuring braking torque, only meeting basic detection requirements but failing to meet the high-precision standards required for large band brakes. This lack of detection accuracy greatly reduces the reliability of the detection results, making it difficult to accurately assess the true performance of the brake. To address these issues, this utility model, through the precise measurement of force sensor 10 and angle sensor 11, combined with existing advanced data processing algorithms, can achieve high-precision detection of the braking torque of large band brakes, thus improving the detection accuracy technology.
[0026] Preferably, the braking system further includes a brake band 2 and a band brake assembly 9. The inner wall of the brake band 2 is wrapped around the surface of the brake wheel 1, and the outer wall of the brake band 2 is detachably connected to brake pads 5. The bottom of the band brake assembly 9 is fixed to the surface. The control system is connected to the drive hydraulic cylinder 8, force sensor 10, and angle sensor 11. The operator can set test parameters through the control interface. The control system controls the action of the symmetrical drive hydraulic cylinder 8 according to the set parameters, and collects and processes the data of the detection system, and displays the test data and results in real time. Multiple drive hydraulic cylinders 8 are symmetrically distributed. A fixing stud 701 is fixed at the upper end of the base 7. A fixing nut 703 is threaded on the surface of the fixing stud 701. The fixing nut 703 is fixed to the bracket 6 through the base 7. An annular washer 702 is fixed at the bottom of the fixing nut 703. A spring inner washer 704 is slidably connected to the outer wall of the base 7. A support base plate 705 is fixed at the bottom of the base 7. A soft spring washer 704 is slidably connected to the bottom of the support base plate 705. The pad 706 has a brake rod 707 fixed inside it. A brake sleeve 709 is slidably connected to the bottom of the brake rod 707. A spring 708 is fixed to the upper end of the brake rod 707. The surface of the spring 708 is fixed to the pad 706. In the prior art, the traditional large band brake torque detection device and brake material break-in test bench have obvious limitations in terms of braking effect and are difficult to meet the high requirements of modern large mechanical equipment for braking performance. These traditional devices are often relatively simple in design and structure. During the braking process, the friction between the brake band 2 and the brake wheel 1 is insufficient, resulting in poor braking effect and posing a significant safety hazard. This utility model uses a band brake assembly 9, including a brake band 2 and brake pads 5. The brake band 2 is wrapped around the brake wheel 1. The pressure between the brake band 2 and the brake wheel 1 is controlled by a lever 3 mechanism to achieve the braking function. The brake pads 5 can enhance the friction between the brake band 2 and the brake wheel 1 and improve the braking effect.
[0027] The working principle of this utility model is as follows: When conducting braking performance testing of large band brakes, the brake to be tested must first be accurately and securely installed in the designated position of this device to ensure its reliability. Then, using the control system interface, the operator can meticulously set the test parameters, covering key indicators such as the rotation speed of the brake wheel 1, the test duration, and the expected braking force. Based on the preset parameters, the device precisely controls the movement of the drive hydraulic cylinder 8. Upon receiving the control signal, the drive hydraulic cylinder 8 immediately starts, and its extension and retraction motion drives the brake wheel 1 to rotate smoothly at the set speed. Simultaneously, the brake band 2, with the aid of the lever 3 mechanism, tightly adheres to the brake wheel 1 and precisely adjusts its position according to the preset braking force requirements. The pressure between the brake wheels 1 and the brake pads 5 in close contact with the surfaces of the brake wheels 1 during this process significantly enhance friction, thereby achieving efficient braking. During the operation of the brake wheels 1, the force sensor 10 monitors the braking force applied to the brake wheels 1 by the brake band 2 in real time and transmits the precise force value data to its data processing unit. At the same time, the angle sensor 11 synchronously measures the rotation angle and speed of the brake wheels 1 and transmits these key parameters to the same data processing unit. After receiving the above real-time data, the data processing unit performs precise calculations according to a preset algorithm to obtain the specific value of the braking torque. This value is displayed on the control interface in real time so that the operator can intuitively and accurately grasp the performance of the brake. When conducting a brake material break-in test, the brake material to be broken in must first be properly installed on the brake band 2 or brake wheel 1, and its installation status must be strictly checked to ensure that it is correct. Then, the operator sets the break-in test parameters through the control interface, including break-in time, braking force, and rotation speed of brake wheel 1. After the test is started, the drive hydraulic cylinder 8 drives the brake wheel 1 to rotate stably at the set speed, and the brake band 2 generates friction with the brake wheel 1 under the action of the lever 3 mechanism, thereby starting the break-in process of the brake material. During the break-in process, the detection system monitors the key parameters of the brake material in real time, such as temperature changes and wear conditions, and feeds the data back to the control system in a timely manner. The control system analyzes and processes this real-time data to ensure that the break-in process proceeds smoothly within the set parameter range. Once the preset break-in time is reached or specific break-in conditions are met, the system will automatically terminate the test. At this time, the operator can conduct subsequent performance testing and analysis on the brake material after break-in as needed to evaluate its performance and applicability.
[0028] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A test bench for braking torque detection and material break-in, comprising a braking system, a detection system, and a control system, characterized in that: The braking system includes a brake wheel (1), with a support shaft (4) rotatably connected to both ends of the brake wheel (1). The brake wheel (1) is rotatably connected to a bracket (6) at both ends of the support shaft (4). A base (7) is fixed at the bottom of the bracket (6). A driving hydraulic cylinder (8) is fixed at the upper end of the base (7). A force sensor (10) is fixed at the upper end of the driving hydraulic cylinder (8). A lever (3) is rotatably connected to the upper end of the force sensor (10). An angle sensor (11) is fixed on the surface of the lever (3). The side end of the lever (3) is rotatably connected to the upper end of the bracket (6).
2. The test bench for braking torque detection and material break-in according to claim 1, characterized in that: The braking system also includes a brake band (2) and a band brake assembly (9). The inner wall of the brake band (2) is wrapped around the surface of the brake wheel (1). The outer wall of the brake band (2) is detachably connected to a brake pad (5). The bottom of the band brake assembly (9) is fixed to the surface of (7).
3. The test bench for braking torque detection and material break-in according to claim 1, characterized in that: The control system is connected to the driving hydraulic cylinder (8), force sensor (10), and angle sensor (11). The operator can set the test parameters through the control interface. The control system controls the action of the symmetrical driving hydraulic cylinder (8) according to the set parameters, and collects and processes the data of the detection system, and displays the test data and results in real time.
4. The test bench for braking torque detection and material break-in according to claim 3, characterized in that: The multiple drive hydraulic cylinders (8) are symmetrically distributed.
5. The test bench for braking torque detection and material break-in according to claim 1, characterized in that: The upper end of the base (7) is fixed with a fixing stud (701), and a fixing nut (703) is threaded onto the surface of the fixing stud (701). The fixing nut (703) is fixed to the bracket (6) through the base (7). An annular washer (702) is fixed to the bottom of the fixing nut (703). A spring inner washer (704) is slidably connected to the outer wall of the base (7).
6. The test bench for braking torque detection and material break-in according to claim 1, characterized in that: The base (7) has a support plate (705) fixed at the bottom. A soft pad (706) is slidably connected to the bottom of the support plate (705). A brake rod (707) is fixed inside the soft pad (706). A brake sleeve (709) is slidably connected to the bottom of the brake rod (707). A spring piece (708) is fixed at the upper end of the brake rod (707). The surface of the spring piece (708) is fixed to the soft pad (706).