Parking braking performance tester calibration device
By designing a calibration device consisting of an outer shell, a detection protection frame and a connecting shaft assembly, and using a high-pressure telescopic cylinder and a pressure pump to quickly calibrate the parking brake performance tester, the problems of the traditional calibration method being cumbersome and lacking in accuracy are solved, and an efficient and accurate calibration effect is achieved.
Patent Information
- Application Number
- CN202422895337.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The traditional parking brake performance tester calibration method is cumbersome, has a long calibration cycle and is difficult to guarantee accuracy, which affects the accuracy and efficiency of the test results.
A calibration device was designed, which included an outer shell, a detection protection frame, a connecting shaft assembly, a standard sensor, and a sensor to be tested. A high-pressure telescopic cylinder and a pressure pump were used for rapid calibration, and a control panel and display were used for data comparison and analysis.
It realizes a fast, simple and high-precision calibration process, simplifies the operation process, and improves the calibration efficiency and accuracy of the tester.
Smart Images
Figure CN223389461U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle detection equipment, in particular to a parking brake performance tester calibration device. Background Art
[0002] With the booming automotive industry, parking brake performance testers, as key equipment for evaluating vehicle safety performance, are crucial for accuracy and reliability. However, traditional tester calibration methods are cumbersome, require long calibration cycles, and are difficult to guarantee. These issues severely restrict the accuracy of test results and test efficiency. Therefore, developing a new, simple, fast, and highly accurate calibration device is crucial for improving the accuracy and efficiency of parking brake performance testing. Utility Model Content
[0003] The purpose of the present invention is to provide a parking brake performance tester calibration device with a reasonable design to solve the defects and shortcomings of the existing technology, which can solve the above defects.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it includes an outer shell, several movable wheels are provided at the bottom of the outer shell, a detection protection frame is installed on the outer shell, a connecting shaft assembly is installed in the detection protection frame, a standard sensor and a sensor to be tested are installed in series in the connecting shaft assembly, one end of the connecting shaft assembly is connected to the detection protection frame through a positioning pin, a high-pressure telescopic cylinder is installed on one side of the detection protection frame, the other end of the connecting shaft assembly is connected to the movable rod of the high-pressure telescopic cylinder, a pressure pump is provided in the outer shell, the pressure pump is connected to the high-pressure telescopic cylinder, and a control panel is provided on the outer shell.
[0005] Preferably, the connecting shaft assembly includes a connecting rod, both ends of which are respectively connected to the standard sensor and the sensor to be tested, the outer end of the standard sensor is connected to connector 1, and the outer end of the sensor to be tested is connected to connector 2.
[0006] Preferably, fixers are symmetrically provided on the inner walls on both sides of one end of the detection protection frame, connector 2 is located between the two fixers, movable holes are opened in connector 2 and the fixer, and positioning pins are movably inserted into the movable holes. A fixed connector is connected to the movable end of the high-pressure telescopic cylinder, and one end of connector 1 is rotatably connected to the fixed connector through a rotating shaft.
[0007] Preferably, the ports on the connector 1, the connecting rod and the connector 2 that are connected to the standard sensor and the sensor to be tested are all threaded, and the standard sensor and the sensor to be tested are both installed via the threads.
[0008] Preferably, the control panel is provided with a switch and a display screen, a pressure gauge connected to the pressure pump is provided on the side of the display screen, and the control panel is also provided with two connection sockets for connecting sensors.
[0009] Preferably, the moving wheel is a universal wheel with a locking structure.
[0010] Preferably, a protective cover is installed above the control panel.
[0011] After adopting the above structure, the beneficial effects of the utility model are:
[0012] 1. This device has a simple structure and can be quickly loaded with sensors for testing. It is driven by a telescopic cylinder and is easy and convenient to operate. The output accuracy of the pressure pump is high, and the real-time pressure conditions can be observed through the pressure gauge, so the calibration tester has a high accuracy. In addition, the sensor data can be compared and analyzed through the program, and then the results can be output without manual calculation and comparison.
[0013] 2. This device uses a detachable connecting shaft assembly. The sensor to be tested can be replaced by plugging and unplugging the positioning pin and threading the connector 2 and the connecting rod. The connection strength is high and the installation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the front structure of the utility model;
[0015] Figure 2 It is a top view of the utility model;
[0016] Figure 3 yes Figure 1 Enlarged view of part A in the middle;
[0017] Figure 4 This is a schematic diagram of the installation method of the connecting shaft assembly in the utility model;
[0018] Figure 5 It is a cross-sectional view of the structure inside the detection protection frame of the utility model.
[0019] Description of reference numerals:
[0020] 1. Outer shell; 2. Moving wheel; 3. Pressure pump; 4. High-pressure telescopic cylinder; 5. Detection protection frame; 6. Fixed connector; 7. Rotating shaft; 8. Connector 1; 9. Standard sensor; 10. Connecting rod; 11. Sensor to be tested; 12. Connector 2; 13. Fixer; 14. Positioning pin; 15. Pressure gauge; 16. Display screen; 17. Connection socket; 18. Protective cover. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See Figure 1-Figure 5 As shown, it includes an outer shell 1, a plurality of movable wheels 2 are provided at the bottom of the outer shell 1, a detection protection frame 5 is installed on the outer shell 1, a connecting shaft assembly is installed in the detection protection frame 5, a standard sensor 9 and a sensor to be tested 11 are installed in series in the connecting shaft assembly, one end of the connecting shaft assembly is connected to the detection protection frame 5 through a positioning pin 14, a high-pressure telescopic cylinder 4 is installed on one side of the detection protection frame 5, the other end of the connecting shaft assembly is connected to the movable rod of the high-pressure telescopic cylinder 4, a pressure pump 3 is provided in the outer shell 1, the pressure pump 3 is connected to the high-pressure telescopic cylinder 4, and a control panel is provided on the outer shell 1;
[0023] The connecting shaft assembly includes a connecting rod 10, the two ends of which are respectively connected to the standard sensor 9 and the sensor to be tested 11. The outer end of the standard sensor 9 is connected to the connector 1 8, and the outer end of the sensor to be tested 11 is connected to the connector 2 12.
[0024] Fixers 13 are symmetrically provided on the inner walls on both sides of one end of the detection protection frame 5. The second connector 12 is located between the two fixers 13. Both the second connector 12 and the fixer 13 have movable holes, and positioning pins 14 are movably inserted into the movable holes. The movable end of the high-pressure telescopic cylinder 4 is connected to the fixed connector 6, and one end of the first connector 8 is rotatably connected to the fixed connector 6 through the rotating shaft 7;
[0025] The ports on the connector 1 8, the connecting rod 10 and the connector 2 12 that are connected to the standard sensor 9 and the sensor to be tested 11 are all threaded, and the standard sensor 9 and the sensor to be tested 11 are both installed through the threads;
[0026] A protective cover 18 is installed above the control panel. The control panel is provided with switches and a display screen 16. A pressure gauge 15 connected to the pressure pump 3 is provided on the side of the display screen 16. The control panel is also provided with two connection sockets 17 for connecting sensors.
[0027] The moving wheel 2 is a universal wheel with a locking structure.
[0028] The principle and use process of this utility model:
[0029] When testing is required, lift the connecting shaft assembly, install the sensor to be tested 11 and then lower the connecting shaft assembly, align the movable hole, and then insert the positioning pin 14 to fix it. Power on the device and connect the output lines of the two sensors to the connecting sockets 17 respectively. Then the device starts the pressure pump 3 to make the high-pressure telescopic cylinder 4 generate tension, and the two sensors will transmit the parameters to the device in real time. The output data of the sensor to be tested 11 and the standard sensor 9 are compared and the results are displayed on the display screen 16. The operator can obtain the test results. After completion, relieve the pressure and pull out the positioning pin 14, remove the sensor to be tested 11 to complete the test.
[0030] It should be understood that the above-described specific embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and do not constitute limitations of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the scope of protection of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and metes and bounds of the appended claims, or equivalents of such scope and metes and bounds.
Claims
1. A parking brake performance tester calibration device, comprising an outer shell (1), a plurality of movable wheels (2) being provided at the bottom of the outer shell (1), and characterized in that: A detection protection frame (5) is installed on the outer shell (1), a connecting shaft assembly is installed in the detection protection frame (5), a standard sensor (9) and a sensor to be tested (11) are installed in series in the connecting shaft assembly, one end of the connecting shaft assembly is connected to the detection protection frame (5) through a positioning pin (14), a high-pressure telescopic cylinder (4) is installed on one side of the detection protection frame (5), and the other end of the connecting shaft assembly is connected to the movable rod of the high-pressure telescopic cylinder (4), a pressure pump (3) is arranged in the outer shell (1), and the pressure pump (3) is connected to the high-pressure telescopic cylinder (4), and a control panel is arranged on the outer shell (1).
2. The parking brake performance tester calibration device according to claim 1, characterized in that: The connecting shaft assembly includes a connecting rod (10), the two ends of the connecting rod (10) are respectively connected to a standard sensor (9) and a sensor to be tested (11), the outer end of the standard sensor (9) is connected to a connector 1 (8), and the outer end of the sensor to be tested (11) is connected to a connector 2 (12).
3. The parking brake performance tester calibration device according to claim 2, characterized in that: Fixers (13) are symmetrically provided on the inner walls on both sides of one end of the detection protection frame (5), and the second connector (12) is located between the two fixers (13). Both the second connector (12) and the fixer (13) are provided with movable holes, and positioning pins (14) are movably inserted into the movable holes. The movable end of the high-pressure telescopic cylinder (4) is connected to a fixed connector (6), and one end of the first connector (8) is rotatably connected to the fixed connector (6) through a rotating shaft (7).
4. The parking brake performance tester calibration device according to claim 3, characterized in that: The ports on the connector 1 (8), the connecting rod (10) and the connector 2 (12) that are connected to the standard sensor (9) and the sensor to be tested (11) are all threaded, and the standard sensor (9) and the sensor to be tested (11) are both installed through the threads.
5. The parking brake performance tester calibration device according to claim 4, characterized in that: The control panel is provided with a switch and a display screen (16). A pressure gauge (15) connected to the pressure pump (3) is provided on the side of the display screen (16). The control panel is also provided with two connection sockets (17) for connecting sensors.
6. The parking brake performance tester calibration device according to claim 5, characterized in that: The moving wheel (2) is a universal wheel with a locking structure.
7. The parking brake performance tester calibration device according to claim 6, characterized in that: A protective cover (18) is installed above the control panel.