Automobile wire harness bending resistance test tool
By incorporating a tensile sensor and an electric actuator into the automotive wiring harness bending resistance testing fixture, the problem of real-time tensile data detection in existing technologies has been solved, enabling accurate evaluation of wiring harness performance parameters and improving the precision and reliability of the test.
Patent Information
- Application Number
- CN202422943033.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-01
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-01
AI Technical Summary
Existing automotive wiring harness bending resistance testing equipment cannot capture and record the tensile force data that the wiring harness is subjected to in real time, making it impossible to accurately evaluate the specific performance parameters of the wiring harness.
A test fixture for the bending resistance of automotive wiring harnesses was designed. By setting up a tension sensor to detect the tension data of the wiring harness in real time, and combining it with an electric push rod to realize repeated bending of the wiring harness, the controller records the data to evaluate the performance of the wiring harness.
It enables accurate evaluation of wire harness performance parameters, ensures the precision and reliability of testing, and improves the ability to evaluate wire harness performance.
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Figure CN223650347U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to harness testing tool technical field, especially, relate to a kind of automobile harness bending resistance test tool. BACKGROUND
[0002] Automobile harness bending resistance test is an important test method to evaluate the durability and reliability of harness under repeated bending and twisting conditions, which simulates the bending of harness in actual use of automobile to evaluate its stability in long-term use, so as to find potential problems in time and improve the overall performance of automobile electrical system, and also ensure product quality and safety.
[0003] At present, in the existing public literature, CN202121569222.7 a kind of automobile harness bending durability test device, including machine body, the machine body includes bottom plate, wire arranging frame and power shaft, the upper side wall of the bottom plate is fixedly connected with two symmetrically arranged supports, and the opposite side walls of the two supports are provided with lifting mechanism for adjusting the height of wire arranging frame, two the opposite side walls of the support are rotatably connected with two symmetrically arranged rotating plates through first pivot, the output end of the power shaft penetrates the side wall of support and is fixed with the end of one of first pivot, distance adjusting mechanism is arranged between two rotating plates. This kind of automobile harness bending durability test device can adjust the height and angle of wire arranging frame to adapt to the test requirements of harnesses of different lengths, so that the practicality is stronger, the test effect is better, and multiple harnesses can be clamped and fixed synchronously and quickly, so that the fixing of harness is more convenient and efficient, and the practicality is stronger.
[0004] In the actual use scene of automobile harness, the harness will be subjected to a certain degree of tension, however, the above-mentioned device cannot capture and record the tension data of the harness in real time when detecting the automobile harness, which leads to the inability to accurately evaluate the specific performance parameters of the harness, thereby affecting the accurate judgment of the overall performance of the automobile harness.
[0005] Therefore, we provide an automobile harness bending resistance test tool to solve the above problems. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing an automobile harness bending resistance test tool, which detects the tension data of the harness in real time through the tension sensor, solves the problem that the existing automobile harness bending resistance test tool cannot capture and record the tension data of the harness in real time, which leads to the inability to accurately evaluate the specific performance parameters of the harness.
[0007] To solve the above technical problems, the utility model is realized by the following technical solutions:
[0008] The utility model discloses a kind of automobile wire harness bending resistance test tool, including main frame, two fixed components, adjusting component and bending component;Two fixed components, adjusting component and bending component are all arranged in the inside of main frame;
[0009] Adjusting component includes top plate and fixed frame, the inside fixed connection of top plate has two sliding sleeve pipes, the inside of two sliding sleeve pipes is movably sleeved with slide rod, and fixed frame is fixedly connected to the bottom of two slide rods, the inside fixed connection of top plate has threaded sleeve pipe, the inside screw thread of threaded sleeve pipe is sleeved with tensioning screw rod, the bottom rotationally connected of tensioning screw rod has mounting seat, and the bottom of mounting seat is installed with tension sensor, fixed frame is installed at the output end of tension sensor, and the top of tensioning screw rod is fixedly connected with hand wheel.
[0010] The utility model further sets up, fixed component includes fixed plate, the bottom fixed connection of fixed plate has two fixed seats, the inside fixed connection of two fixed seats has two guide rods, two guide rods are movably sleeved with two clamping plates outside, two guide rods are movably sleeved with two positioning springs outside, and two clamping plates are between two positioning springs, the inside rotationally connected of one fixed plate has two clamping bolts, and two clamping bolts are all screw thread and are sleeved in the inside of another fixed plate, and the opposite side of two fixed plates is fixedly connected with antiskid pad.
[0011] The utility model further sets up, bending component includes electric push rod, electric push rod is fixedly connected in the inside of main frame, and the output end of electric push rod is fixedly connected with threading plate, and multiple threading holes are formed in the inside of threading plate.
[0012] The utility model further sets up, the outside fixed connection of main frame has controller, and tension sensor and electric push rod are electrically connected with controller.
[0013] The utility model further sets up, the top of mounting seat is fixedly connected with two limit rods, and two limit rods are movably sleeved in the inside of top plate.
[0014] The utility model further sets up, the top of fixed frame is fixedly connected with hanging ring, and the output end of tension sensor is fixedly connected with hook, and hook is hung in the inside of hanging ring.
[0015] The utility model further sets up, one fixed component is fixedly connected in the bottom of fixed frame, another fixed component is fixedly connected in the inside of main frame, and two fixed components are perpendicular to each other.
[0016] The utility model further sets up, the inside fixed connection of main frame has two sliding groove plates, and threading plate is slidably connected in the inside of two sliding groove plates.
[0017] The utility model has the following beneficial effects:
[0018] 1. The utility model discloses a plurality of wire harnesses are placed between two fixed plates, then two fixed plates can carry out the preliminary fixation to wire harness under the push of two positioning springs, and subsequently through the rotation of two clamping bolts can realize the further fixation to a plurality of wire harnesses.
[0019] 2. The utility model discloses through the rotation of hand wheel drive tensioning screw rod rotates in the inside of threaded sleeve, and subsequently under the action of thread can make tensioning screw rod move up and down, to can drive fixed frame moves up and down, and further can adjust the position of the bending of wire harness, through the setting of tension sensor can real -time detection the tension data that wire harness received, to can accurate evaluation the specific performance parameter of wire harness.
[0020] 3. The utility model discloses through a plurality of wire harnesses are passed through the threading board, then fix wire harness, and subsequently through the start of electric push rod, and then through the back and forth movement of the output end of electric push rod can realize repeatedly bending to wire harness, and simultaneously through the controller can record the data that tension sensor exports and the operation of electric push rod, to can better test the bending performance of wire harness.
[0021] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS
[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.
[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0024] Figure 2 It is the structure schematic diagram of the fixed assembly of the utility model.
[0025] Figure 3 It is the fixed plate structure schematic diagram of the utility model.
[0026] Figure 4 It is the structure schematic diagram of the bending assembly of the utility model.
[0027] Figure 5 It is the structure schematic diagram of the adjustment assembly of the utility model.
[0028] Figure 6 It is Figure 2 The enlarged structure schematic diagram of A in the middle.
[0029] The components represented by the reference numerals in the drawings are listed as follows:
[0030] 100, main frame; 200, fixing assembly; 201, fixing plate; 202, fixing seat; 203, guide rod; 204, positioning spring; 205, clamping plate; 206, non-slip pad; 207, clamping bolt; 300, adjusting assembly; 301, top plate; 302, sliding sleeve; 303, sliding rod; 304, fixing frame; 305, threaded sleeve; 306, mounting seat; 307, hand wheel; 308, tension sensor; 309, hook; 310, hanging ring; 311, limiting rod; 312, tensioning screw; 400, bending assembly; 401, electric push rod; 402, threading plate; 403, threading hole; 404, sliding groove plate; 500, controller. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0032] Embodiment 1
[0033] Please refer to Figures 1-3 and Figures 5-6 The utility model relates to a kind of automobile wiring harness bending resistance test tool, including main frame 100, two fixing assemblies 200, adjusting assembly 300 and bending assembly 400;Two fixing assemblies 200, adjusting assembly 300 and bending assembly 400 are all set in the inside of main frame 100;
[0034] Adjusting assembly 300 includes top plate 301 and fixed frame 304, the inside of top plate 301 is fixedly connected with two sliding sleeves 302, the inside of two sliding sleeves 302 is movably sleeved with sliding rod 303, and fixed frame 304 is fixedly connected to the bottom of two sliding rods 303, the inside of top plate 301 is fixedly connected with threaded sleeve 305, tensioning screw 312 is screw-jointed in the inside of threaded sleeve 305, mounting seat 306 is rotatably connected to the bottom of tensioning screw 312, tension sensor 308 is installed in the bottom of mounting seat 306, fixed frame 304 is installed in the output end of tension sensor 308, hand wheel 307 is fixedly connected to the top of tensioning screw 312, by rotating hand wheel 307, tensioning screw 312 can be moved up and down, so that the position of bending received by wiring harness can be adjusted, the tension data received by wiring harness can be detected in real time by the tension sensor 308 set, so that the specific performance parameter of wiring harness can be accurately evaluated;
[0035] The fixed assembly 200 comprises a fixed plate 201, the bottom of the fixed plate 201 is fixedly connected with two fixed seats 202, the interiors of the two fixed seats 202 are fixedly connected with two guide rods 203, the exteriors of the two guide rods 203 are movably sleeved with two clamping plates 205, the exteriors of the two guide rods 203 are movably sleeved with positioning springs 204, and the two clamping plates 205 are located between the two positioning springs 204, the interior of one of the fixed plates 201 is rotatably connected with two clamping bolts 207, the interiors of the two clamping bolts 207 are threadedly sleeved in the other fixed plate 201, and the opposite sides of the two fixed plates 201 are fixedly connected with anti-skid pads 206, the two fixed plates 201 can be preliminarily fixed on the wire harness by the two positioning springs 204, and then the wire harness can be further fixed by rotating the two clamping bolts 207.
[0036] Specifically, the top of the mounting seat 306 is fixedly connected with two limiting rods 311, and the two limiting rods 311 are movably sleeved in the interior of the top plate 301.
[0037] Further, the top of the fixed frame 304 is fixedly connected with a hanging ring 310, the output end of the tension sensor 308 is fixedly connected with a hook 309, and the hook 309 is hung in the interior of the hanging ring 310, the cooperation of the hanging ring 310 and the hook 309 can facilitate the replacement of the tension sensor 308.
[0038] One of the fixed assemblies 200 is fixedly connected to the bottom of the fixed frame 304, and the other fixed assembly 200 is fixedly connected to the interior of the main frame 100, and the two fixed assemblies 200 are vertically opposite.
[0039] The operation process of the embodiment is as follows: when it is necessary to fix the wire harness, first, the wire harness is placed between the two fixed plates 201, then the two fixed plates 201 can preliminarily fix the wire harness under the pushing of the two positioning springs 204, and then the wire harness can be further fixed by rotating the two clamping bolts 207.
[0040] When it is necessary to adjust the tension of the wire harness, first, the hand wheel 307 is rotated to drive the tensioning screw 312 to rotate in the interior of the threaded sleeve 305, then the tensioning screw 312 moves up and down under the action of the screw, so that the fixed frame 304 moves up and down, thereby the position of the wire harness subjected to bending can be adjusted, and the tension data of the wire harness can be detected in real time by the tension sensor 308.
[0041] Embodiment 2
[0042] Please refer to Figure 1 and Figure 5On the basis of the first specific embodiment, the bending assembly 400 comprises an electric push rod 401 fixedly connected to the inside of the main frame 100, the output end of the electric push rod 401 is fixedly connected with a threading plate 402, a plurality of threading holes 403 are arranged in the inside of the threading plate 402, and the repeated bending of the wire harness can be realized through the back-and-forth movement of the output end of the electric push rod 401.
[0043] Specifically, two sliding groove plates 404 are fixedly connected to the inside of the main frame 100, and the threading plate 402 is slidingly connected to the inside of the two sliding groove plates 404, so that the movement of the threading plate 402 is more stable.
[0044] Further, the controller 500 is fixedly connected to the outside of the main frame 100, and the tension sensor 308 and the electric push rod 401 are electrically connected with the controller 500.
[0045] The operation process of the embodiment is as follows: when the wire harness needs to be bent and tested, first, the plurality of wire harnesses are threaded through the threading plate 402, then the wire harnesses are fixed, then the electric push rod 401 is started, and then the repeated bending of the wire harnesses can be realized through the back-and-forth movement of the output end of the electric push rod 401, and the data output by the tension sensor 308 and the operation of the electric push rod 401 can be recorded through the controller 500, so that the bending performance of the wire harnesses can be better tested.
[0046] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0047] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the specification. The embodiments are selected and described in detail in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.
Claims
1. A testing fixture for the bending resistance of automotive wiring harnesses, comprising a main frame (100), two fixing components (200), an adjusting component (300), and a bending component (400); characterized in that: The two fixing components (200), the adjusting component (300), and the bending component (400) are all disposed inside the main frame (100); The adjustment assembly (300) includes a top plate (301) and a fixed frame (304). The top plate (301) has two sliding sleeves (302) fixedly connected inside. Each of the two sliding sleeves (302) has a sliding rod (303) movably sleeved inside. The fixed frame (304) is fixedly connected to the bottom of the two sliding rods (303). The top plate (301) has a threaded sleeve (305) fixedly connected inside. The threaded sleeve (305) has a tension screw (312) threaded inside. The bottom of the tension screw (312) is rotatably connected to a mounting base (306). The bottom of the mounting base (306) is equipped with a tension sensor (308). The fixed frame (304) is installed at the output end of the tension sensor (308). The top of the tension screw (312) is fixedly connected to a handwheel (307).
2. The automotive wiring harness bending resistance testing fixture according to claim 1, characterized in that, The fixing assembly (200) includes a fixing plate (201). Two fixing seats (202) are fixedly connected to the bottom of the fixing plate (201). Two guide rods (203) are fixedly connected inside the two fixing seats (202). Two clamping plates (205) are movably sleeved on the outside of the two guide rods (203). A positioning spring (204) is movably sleeved on the outside of each of the two guide rods (203). The two clamping plates (205) are located between the two positioning springs (204). Two clamping bolts (207) are rotatably connected inside one of the fixing plates (201). The two clamping bolts (207) are threaded into the inside of the other fixing plate (201). Anti-slip pads (206) are fixedly connected to the opposite side of each of the two fixing plates (201).
3. The automotive wiring harness bending resistance testing fixture according to claim 1, characterized in that, The bending assembly (400) includes an electric actuator (401), which is fixedly connected to the inside of the main frame (100). The output end of the electric actuator (401) is fixedly connected to a wire guide plate (402), and the wire guide plate (402) has multiple wire guide holes (403) inside.
4. The automotive wiring harness bending resistance testing fixture according to claim 1, characterized in that, The main frame (100) is externally fixedly connected to a controller (500), and the tension sensor (308) and the electric push rod (401) are both electrically connected to the controller (500).
5. The automotive wiring harness bending resistance testing fixture according to claim 1, characterized in that, The top of the mounting base (306) is fixedly connected to two limiting rods (311), and both limiting rods (311) are movably sleeved inside the top plate (301).
6. The automotive wiring harness bending resistance testing fixture according to claim 1, characterized in that, The top of the fixed frame (304) is fixedly connected to a hanging ring (310), and the output end of the tension sensor (308) is fixedly connected to a hook (309), and the hook (309) is hung inside the hanging ring (310).
7. The automotive wiring harness bending resistance testing fixture according to claim 1, characterized in that, One of the fixing components (200) is fixedly connected to the bottom of the fixing frame (304), and the other fixing component (200) is fixedly connected to the inside of the main frame (100), and the two fixing components (200) are perpendicular to each other.
8. The automotive wiring harness bending resistance testing fixture according to claim 1, characterized in that, The main frame (100) has two slide plates (404) fixedly connected inside, and the threading plate (402) is slidably connected inside the two slide plates (404).
Citation Information
Patent Citations
Automobile wire harness bending endurance test device
CN218098703U