Impact testing machine
By designing an impact test machine including a frame, impact assembly, measurement assembly and controller, automated measurement and analysis of test data, the error and inefficiency caused by manual measurement in the prior art are solved, and more efficient and accurate impact dynamic performance testing is achieved.
Patent Information
- Application Number
- CN202420980409.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-05-08
AI Technical Summary
After testing, existing impact testing machines require manual measurement of the drop distance and force value data of the impact assembly, which makes the test work time-consuming and labor-intensive, and the test results are easily affected by external forces and cause deviations.
An impact testing machine is designed, including a frame, impact assembly, measurement assembly and controller. The measurement component is used to measure force values and displacement data on the test workpiece and feed these data to the controller, which performs calculation analysis to obtain the impact dynamics performance of the test workpiece.
Through automated measurement and data analysis, the error problems caused by manual measurement are solved, the testing efficiency and accuracy are improved, and the deviation of test results is reduced.
Smart Images
Figure CN222748232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detection equipment, in particular to an impact testing machine. Background Art
[0002] The automobile steering system is a series of devices used to change or maintain the direction of the automobile's driving or reverse direction. The function of the automobile steering system is to control the direction of the automobile according to the driver's wishes. The automobile steering system is extremely important to the driving safety of the automobile. Therefore, the parts of the automobile steering system are called safety parts. The quality of the safety parts determines the safety level of the automobile steering system. In the impact test of the automobile steering system, an impact test bench is used to collect the data of the automobile steering system in the experiment. Through these data, the automobile steering system is improved and developed. However, after the impact test of the existing samples, it is necessary to manually measure the descent distance of the impact component and record the impact value, which makes the test work time-consuming and labor-intensive, and the test results are affected by external forces, resulting in deviations in the test results. Utility Model Content
[0003] In view of the above problems, the utility model proposes an impact testing machine, which transmits relevant measured data to a controller through a measuring component, and then the controller calculates and analyzes to obtain the impact dynamic performance of the test workpiece, thereby solving the errors caused by manual visual measurement of height and force value data.
[0004] The technical solution adopted by the utility model is as follows: an impact testing machine, including a frame, an impact component, a measuring component and a controller, the impact component is movably installed on the frame, the bottom end of the frame is provided with an impact platform for mounting a test workpiece, one end of the impact component is connected to the frame, and the other end of the impact component is used to impact the workpiece, the measuring component is used to be set on the workpiece, and the measuring component is connected to the controller, and the measuring component is used to test the force value data and displacement value when the impact component impacts the workpiece.
[0005] Optionally, the measuring component includes the displacement sensor and the force sensor, and the displacement sensor and the force sensor are respectively connected to the controller.
[0006] Optionally, the impact assembly includes a motor, a connecting rope, an electromagnet and a weight block, the motor and the electromagnet are connected to a controller, one end of the connecting rope is connected to the electromagnet, and the other end of the connecting rope is wrapped around the output end of the motor, the electromagnet and the weight block are movably adsorbed, and the weight block is located vertically above the impact platform.
[0007] Optionally, a roller is rotatably provided on the top of the frame, and the connecting rope is passed around the roller and connected to the electromagnet.
[0008] Optionally, a laser rangefinder is provided on the top of the frame, and a reflector corresponding to the laser rangefinder is provided on the top surface of the weight block.
[0009] Optionally, the weight block is a counterweight, and an impact head is provided at the bottom center of the weight block.
[0010] Optionally, the controller includes a shell and a circuit board arranged inside the shell, and a display screen and a plurality of control buttons are installed on the shell.
[0011] Optionally, the motor is a rotary motor.
[0012] The beneficial effect of the utility model is that during the impact test, the force applied by the impact component to the top of the test workpiece and the displacement of the impact component from the beginning to the end of the impact operation are measured by a measuring component installed on the test workpiece. The measuring component then transmits the measured relevant data to the controller, which then calculates and analyzes to obtain the impact dynamics performance of the test workpiece, thereby solving the errors caused by manual visual inspection of height and force value data. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic diagram of the structure of the impact testing machine proposed in the embodiment of the utility model;
[0014] Figure 2 A schematic diagram of the displacement of a displacement sensor test weight of an impact testing machine proposed in an embodiment of the utility model when impacting a workpiece.
[0015] The marks in the accompanying drawings are: 1. frame; 2. force sensor; 3. displacement sensor; 4. motor; 5. connecting rope; 6. electromagnet; 7. weight block; 8. roller; 9. laser rangefinder; 10. reflector; 11. impact head; 12. shell; 13. display screen; 14. button; 15. impact platform; 16. circuit board. DETAILED DESCRIPTION
[0016] The utility model is described in detail below in conjunction with the accompanying drawings.
[0017] like Figure 1 and 2As shown, this embodiment discloses an impact testing machine, including a frame 1, an impact component, a measuring component and a controller. The impact component is movably mounted on the frame 1. An impact platform 15 for mounting a test workpiece is provided at the bottom of the frame 1. One end of the impact component is connected to the frame 1, and the other end of the impact component is used to impact the workpiece. The measuring component is used to be set on the workpiece, and the measuring component is connected to the controller. The measuring component is used to test the force value data and displacement value when the impact component impacts the workpiece. During the impact test, the force value of the impact component acting on the top of the test workpiece and the displacement value from the beginning stage to the end stage of the impact operation performed by the impact component are measured by the measuring component installed on the test workpiece. After that, the measuring component transmits the relevant measured data to the controller, and the controller calculates and analyzes to obtain the impact dynamics performance of the test workpiece, thereby solving the errors caused by manual visual height and force value data.
[0018] In this embodiment, the measuring component includes a displacement sensor 3 and a force sensor 2, and the displacement sensor 3 and the force sensor 2 are connected to the controller respectively. The displacement sensor 3 and the force sensor 2 are both installed on the workpiece, and the force value of the impact component acting on the top of the test workpiece is measured by the displacement sensor 3 installed on the test workpiece, and the displacement of the impact component from the beginning stage to the end stage of the impact operation is measured by the displacement sensor 3, and then the displacement sensor 3 and the force sensor 2 transmit the corresponding measurement related data to the controller. The force sensor 2 is an electronic component that converts a force signal into an electrical signal output, and the displacement sensor 3 is also called a linear sensor, which is a linear device belonging to metal sensing, and its function is to convert various measured physical quantities into electrical quantities. The displacement sensor 3 can be a laser displacement sensor 3.
[0019] In this embodiment, the impact assembly includes a motor 4, a connecting rope 5, an electromagnet 6 and a weight 7. The motor 4 and the electromagnet 6 are connected to the controller. One end of the connecting rope 5 is connected to the electromagnet 6, and the other end of the connecting rope 5 is wound around the output end of the motor 4. The electromagnet 6 and the weight 7 are movably adsorbed, and the weight 7 is located vertically above the impact platform 15. The motor 4 is a rotary motor 4. The controller controls the motor 4 to rotate clockwise, the length of the connecting rope 5 increases, the weight 7 drops to a specified height, the controller controls the electromagnet 6 to cut off the power, and the weight 7 freely falls to impact the workpiece.
[0020] In this embodiment, a roller 8 is rotatably provided at the top of the frame 1, and the connecting rope 5 is passed through the roller 8 and connected to the electromagnet 6, thereby reducing the friction of the connecting rope 5 during the movement.
[0021] In this embodiment, if Figure 1As shown, a laser rangefinder 9 is provided on the top of the frame 1, and a reflector 10 corresponding to the laser rangefinder 9 is provided on the top surface of the weight block 7. The laser rangefinder 9 emits light to the reflector 10, and the light is reflected by the reflector 10 to obtain the descending distance of the weight block 7 driven by the connecting rope 5, so as to determine the initial position of the weight block 7 before release.
[0022] In this embodiment, the weight block 7 is a counterweight, and an impact head 11 is provided at the center of the bottom of the weight block 7. The counterweight can be stacked. The impact head 11 can be connected to the counterweight through a thread.
[0023] In this embodiment, if Figure 1 As shown, the controller includes a housing 12 and a circuit board 16 disposed inside the housing 12, and a display screen 13 and a plurality of control buttons 14 are installed on the housing 12. A single-chip microcomputer, a data acquisition module, a data detection module, a motor 4 drive circuit, a display module and a power module are provided on the circuit board 16. The single-chip microcomputer is connected to the motor 4 drive circuit, the control button 14 and the display module respectively, the motor 4 drive circuit is connected to the data detection module, the data detection module is connected to the data acquisition module, the data acquisition module is connected to the port, the power module is connected to the power interface, and the display module is connected to the display screen 13. The control buttons 14 are respectively an emergency stop button 14, an up button 14, a down button 14, and a button 14 for releasing the weight 7. The motor 4 is a rotating motor 4.
[0024] The above description is only a preferred embodiment of the utility model, and does not limit the patent protection scope of the utility model. Any equivalent structural transformation made using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also included in the protection scope of the utility model.
Claims
1. An impact testing machine, characterized in that: It includes a frame, an impact component, a measuring component and a controller. The impact component is movably installed on the frame. The bottom end of the frame is provided with an impact platform for mounting a test workpiece. One end of the impact component is connected to the frame, and the other end of the impact component is used to impact the workpiece. The measuring component is arranged on the workpiece and connected to the controller. The measuring component is used to test the force value data and displacement value when the impact component impacts the workpiece.
2. The impact testing machine according to claim 1, characterized in that: The measuring component comprises a displacement sensor and a force sensor, and the displacement sensor and the force sensor are respectively connected to a controller.
3. The impact testing machine according to claim 1, characterized in that: The impact assembly includes a motor, a connecting rope, an electromagnet and a weight block. The motor and the electromagnet are connected to a controller. One end of the connecting rope is connected to the electromagnet, and the other end of the connecting rope is wound around the output end of the motor. The electromagnet and the weight block are movably adsorbed, and the weight block is located vertically above the impact platform.
4. The impact testing machine according to claim 3, characterized in that: A roller is rotatably arranged on the top of the frame, and the connecting rope is wound around the roller and connected to the electromagnet.
5. The impact testing machine according to claim 3, characterized in that: A laser rangefinder is arranged on the top of the frame, and a reflector corresponding to the laser rangefinder is arranged on the top surface of the weight block.
6. The impact testing machine according to claim 3, characterized in that: The weight block is a counterweight, and an impact head is arranged at the bottom center of the weight block.
7. The impact testing machine according to claim 1, characterized in that: The controller comprises a shell and a circuit board arranged inside the shell, and a display screen and a plurality of control buttons are installed on the shell.
8. The impact testing machine according to claim 3, characterized in that: The motor is a rotary motor.