Test bench for endurance test of automobile door handle
By designing a vehicle door handle durability test bench containing a six-axis robot and load assembly, the problem of inability to effectively load and test the vehicle door handle in the prior art is solved, and a more efficient and accurate test effect is achieved.
Patent Information
- Application Number
- CN202421665935.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing automotive door handle durability test test bench cannot effectively load and test the car door handle, resulting in unsatisfactory test results and inaccurate data.
A vehicle door handle durability test bench including a six-axis robot and load assembly was designed. The load assembly uses steel rope, spring hook and tension sensor to realize load testing of the door handle, and the six-axis robot simulates manual operation with the finger assembly.
It effectively improves the load capacity and test accuracy of the vehicle door handle durability test, ensuring the reliability of the test results.
Smart Images
Figure CN222825251U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of durability reliability testing of interior and exterior door handles of automobiles, in particular to a durability test bench for automobile door handles. Background Art
[0002] The car door handle durability test bench has a wide range of application prospects in the automotive industry. With the continuous development of automotive technology and the improvement of consumers' requirements for automotive quality, the durability and reliability testing of automotive parts are becoming more and more important. Therefore, as one of the important testing equipment, the car door handle durability test bench will play an increasingly important role in the field of automobile manufacturing and testing.
[0003] However, the prior art still has the following problems:
[0004] Firstly, when performing durability tests on automobile door handles, most of the automobile door handle durability test benches in the prior art cannot effectively load the automobile door handles, resulting in unsatisfactory door handle testing results of the automobile door handle durability test benches.
[0005] Secondly, when performing durability tests on automobile door handles, most of the automobile door handle durability test benches in the prior art cannot effectively test the automobile door handles, resulting in inaccurate door handle test data of the automobile door handle durability test benches.
[0006] In view of the above problems, the inventor proposes a car door handle durability test bench to solve the above problems. Utility Model Content
[0007] In order to solve the problem that most automobile door handle durability test benches cannot effectively load automobile door handles and most automobile door handle durability test benches cannot effectively test automobile door handles; the purpose of the utility model is to provide an automobile door handle durability test bench.
[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a test bench for durability test of automobile door handles, comprising a six-axis robot, a finger assembly is fixedly provided on one side of the six-axis robot, and the finger assembly can be flexibly tested in conjunction with the six-axis robot, a sample fixing tool is provided on one side of the finger assembly for fixing the test sample, a profile frame is provided on one side of the sample fixing tool, a plurality of wire rope winding components are fixedly provided on one side of the profile frame, a plurality of load components are fixedly provided on one side of the profile frame, and the load component can effectively provide the load of the door handle, the load component comprises a steel rope, a steel wire fixing seat is fixedly provided on one end of the steel rope, a primary spring hook is provided on one side of the steel wire fixing seat, a tension spring is provided on one side of the primary spring hook, a tension sensor is provided on one end of the tension spring, a sensor fixing seat is fixedly provided on the outer surface of the tension sensor, a force adjustment bolt is threadedly inserted on one side of the inner surface of the sensor fixing seat, and an adjustment block is fixedly provided on one end of the force adjustment bolt.
[0009] Preferably, the finger assembly comprises a robot connecting block, a finger fixing plate is fixedly provided on one side of the robot connecting block, three simulated fingers are provided on one side of the finger fixing plate, and finger plastic parts are provided on one side of the three simulated fingers.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. The utility model uses a load component, and when the automobile door handle durability test bench is performing a durability test on the automobile door handle, it can effectively perform a load test on the automobile door handle, thereby improving the test effect, thereby achieving the purpose that the test bench can effectively load the automobile door handle;
[0012] 2. The utility model uses a load component, and when the automobile door handle durability test bench is performing a durability test on the automobile door handle, the automobile door handle can be effectively tested, thereby improving the accuracy of the test, thereby achieving the purpose that the test bench can effectively test the automobile door handle. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic diagram of the structure of the utility model.
[0015] Figure 2 This is a schematic diagram of the structure of the finger assembly of the utility model.
[0016] Figure 3 This is a schematic diagram of the structure of a wire rope winding assembly of the utility model.
[0017] Figure 4 This is a schematic diagram of the structure of the load component of the utility model.
[0018] In the figure: 1. Profile frame; 2. Sample fixing fixture; 3. Finger assembly; 4. Wire rope winding assembly; 5. Load assembly; 6. Six-axis robot; 31. Robot connection block; 32. Finger fixing plate; 33. Simulated finger; 34. Finger plastic part; 35. Fixing bolt; 41. Plastic shaft; 42. Fixing card; 43. Fixing ring; 51. Steel rope; 52. Steel wire fixing seat; 53. Primary spring hook; 54. Tension spring; 55. Secondary spring hook; 56. Tension sensor; 57. Sensor fixing seat; 58. Adjustment block; 59. Force adjustment bolt. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] Example: Figure 1-4As shown, the utility model provides a test bench for durability test of automobile door handles, including a six-axis robot 6, a finger assembly 3 is fixedly provided on one side of the six-axis robot 6, a sample fixing tool 2 is provided on one side of the finger assembly 3, a profile frame 1 is provided on one side of the sample fixing tool 2, a plurality of wire rope winding assemblies 4 are fixedly provided on one side of the profile frame 1, a plurality of load assemblies 5 are fixedly provided on one side of the profile frame 1, the load assembly 5 includes a steel rope 51, a steel wire fixing seat 52 is fixedly provided on one end of the steel rope 51, a primary spring hook 53 is provided on one side of the steel wire fixing seat 52, a tension spring 54 is provided on one side of the primary spring hook 53, a tension spring 54 is provided on one end of the tension spring 54, a tension sensor 56 is provided on one side of a secondary spring hook 55, a sensor fixing seat 57 is fixedly provided on the outer surface of the tension sensor 56, a force adjustment bolt 59 is threadedly inserted on one side of the inner surface of the sensor fixing seat 57, An adjusting block 58 is fixed at one end of the force adjusting bolt 59, and the sample, the sample fixing tool 2, the wire rope winding assembly 4 and the load assembly 5 are fixed on the profile frame 1 in sequence. One end of the steel rope 51 is connected to the sample, and the other end is connected to the primary spring hook 53 after passing the wire rope winding assembly 4. The primary spring hook 53 is connected to the tension spring 54. The other end of the tension spring 54 is connected to the tension sensor 56 through the secondary spring hook 55. The tension sensor 56 is fixed on the sensor fixing seat 57, and the adjusting block 58 is fixed behind the sensor fixing seat 57. The fixing screws between the load assembly 5 and the profile frame 1 should not be tightened. According to the length of the steel wire rope, the distance between each component is adjusted to make the steel rope 51 and the tension spring 54 in the pulled-in state, and then all screws except the sensor fixing seat 57 are tightened. The force adjusting bolt 59 is adjusted, and the tension spring 54 is in the tension state required before the test starts through the data output by the tension sensor 56, and the load can be applied.
[0021] There are three load assemblies 5, and the three load assemblies 5 are evenly spaced on one side of the profile frame 1. There are three wire rope winding assemblies 4, and the three wire rope winding assemblies 4 are linearly distributed on one side of the profile frame 1. There are three sample fixing fixtures 2, and the three sample fixing fixtures 2 are respectively used in conjunction with three finger plastic parts 34. The load assemblies 5 are evenly spaced so that multiple door handles can be tested at the same time. The linear distribution of the wire rope winding assemblies 4 can increase the load torque range. The sample fixing fixtures 2 are evenly spaced and can cooperate with the finger assemblies 3 to test the door handles.
[0022] The finger assembly 3 includes a robot connecting block 31, one side of the robot connecting block 31 is fixedly provided with a finger fixing plate 32, one side of the finger fixing plate 32 is provided with three simulated fingers 33, and one side of the three simulated fingers 33 is provided with a finger plastic part 34. The robot connecting block 31 can be connected to one side of the six-axis robot 6, and then can be connected to the simulated finger 33 through the finger fixing plate 32, and the door handle can be pulled through The plastic finger part 34 can perform a simulated test.
[0023] A fixing bolt 35 used in conjunction with the finger fixing plate 32 is threadedly inserted on one side of the three simulated fingers 33 , and the simulated fingers 33 can be connected and fixed to the finger fixing plate 32 via the fixing bolt 35 .
[0024] The wire rope winding assembly 4 includes two fixed clamps 42 , and a plastic shaft 41 is provided on one side of the opposite surfaces of the two fixed clamps 42 for common rotation. The steel rope 51 can be loaded and rotated by winding on the plastic shaft 41 , and can be limited by the fixed clamps 42 .
[0025] A fixing ring 43 which cooperates with three plastic shafts 41 is fixedly provided on one side of the opposite surface of each two fixing clamping plates 42 . The plastic shaft 41 can be rotationally limited on one side of the fixing clamping plate 42 through the fixing ring 43 .
[0026] Working principle: fix the sample, sample fixing tool 2, wire rope winding assembly 4 and load assembly 5 on the profile frame 1 in sequence, one end of the steel rope 51 is connected to the sample, and the other end is connected to the primary spring hook 53 after passing the wire rope winding assembly 4, the primary spring hook 53 is connected to the tension spring 54, the other end of the tension spring 54 is connected to the tension sensor 56 through the secondary spring hook 55, the tension sensor 56 is fixed on the sensor fixing seat 57, the adjustment block 58 is fixed behind the sensor fixing seat 57, the fixing screws between the load assembly 5 and the profile frame 1 are not tightened, according to the length of the wire rope, adjust the distance between each assembly so that the steel rope 51 and the tension spring 54 are in the pulled-in state, and then tighten all screws except the sensor fixing seat 57, and adjust the force adjustment bolt 59. Through the data output by the tension sensor 56, the tension spring 54 is placed in the tension state required before the test begins. The finger assembly 3 is installed on the robot. The position of each group of fingers is adjusted by the fixing bolts 35 so that each group of fingers is in the corresponding position. The entire profile frame 1 and the six-axis robot 6 are placed in the environmental chamber. The six-axis robot 6 is programmed according to the test conditions to perform the two actions of pulling the handle to open the door, namely, slowly pulling and slowly releasing and slowly pulling and quickly releasing. The specific actions are subject to the test requirements. The temperature and humidity of the environmental chamber are set according to the test requirements. After each condition is set, the test is started, and the force value data curve of the tension sensor 56 is recorded. The model of the tension spring 54 is selected according to the test requirements. The purpose of effectively loading the car door handle is achieved by the test test bench;
[0027] The load components 5 are evenly spaced so that multiple door handles can be tested at the same time. The wire rope winding components 4 are linearly distributed to increase the load torque range. The sample fixing fixtures 2 are evenly spaced so that the finger components 3 can be used to test the door handles.
[0028] The robot connecting block 31 can be connected to one side of the six-axis robot 6, and then connected to the simulated finger 33 through the finger fixing plate 32, and the door handle can be pulled and simulated through the finger plastic part 34. The simulated finger 33 can be connected and fixed to the finger fixing plate 32 through the fixing bolt 35. The steel rope 51 can be loaded and rotated by winding around the plastic shaft 41, and can be limited by the fixed clamping plate 42. The plastic shaft 41 can be rotated and limited on one side of the fixed clamping plate 42 through the fixing ring 43, thereby achieving the purpose of the test bench being able to effectively test the car door handle.
[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A vehicle door handle durability test bench, comprising a six-axis robot (6), characterized in that: A finger assembly (3) is fixedly provided on one side of the six-axis robot (6), a sample fixing fixture (2) is provided on one side of the finger assembly (3), a profile frame (1) is provided on one side of the sample fixing fixture (2), a plurality of wire rope winding assemblies (4) are fixedly provided on one side of the profile frame (1), and a plurality of load assemblies (5) are fixedly provided on one side of the profile frame (1); The load assembly (5) comprises a steel rope (51), one end of which is fixedly provided with a steel wire fixing seat (52), one side of which is provided with a primary spring hook (53), one side of which is provided with a tension spring (54), one end of which is provided with a secondary spring hook (55), and one side of which is provided with a tension sensor (56), the outer surface of the tension sensor (56) is fixedly provided with a sensor fixing seat (57), one side of which is threadedly inserted with a force adjustment bolt (59), and one end of which is fixedly provided with an adjustment block (58).
2. The automobile door handle durability test bench according to claim 1, characterized in that: The finger assembly (3) comprises a robot connection block (31), a finger fixing plate (32) is fixedly provided on one side of the robot connection block (31), three simulated fingers (33) are provided on one side of the finger fixing plate (32), and finger plastic parts (34) are provided on one side of the three simulated fingers (33).
3. The automobile door handle durability test bench according to claim 1, characterized in that: The wire rope winding assembly (4) comprises two fixed clamping plates (42), and a plastic shaft (41) is provided on one side of the opposite surfaces of the two fixed clamping plates (42) for common rotation.
4. The automobile door handle durability test bench according to claim 1, characterized in that: The load components (5) are provided in three numbers, and the three load components (5) are distributed at equal intervals on one side of the profile frame (1).
5. The automobile door handle durability test bench according to claim 1, characterized in that: The steel wire rope winding assemblies (4) are provided in three numbers, and the three steel wire rope winding assemblies (4) are linearly distributed on one side of the profile frame (1).
6. The automobile door handle durability test bench according to claim 1, characterized in that: The sample fixing fixtures (2) are provided in three pieces, and the three sample fixing fixtures (2) are used in conjunction with the three finger plastic parts (34) respectively.
7. The automobile door handle durability test bench as claimed in claim 2, characterized in that: One side of the three simulated fingers (33) is threadedly inserted with a fixing bolt (35) for use in conjunction with the finger fixing plate (32).
8. The automobile door handle durability test bench as claimed in claim 3, characterized in that: One side of the opposite surface of each of the two fixed clamping plates (42) is fixedly provided with a fixing ring (43) respectively used in conjunction with the three plastic shafts (41).