Wire harness durability testing device

Abstract

The utility model belongs to the technical field of wire harness testing, and particularly relates to a wire harness durability testing device which comprises a testing table, a chuck is mounted at the center of the top of the testing table, an annular supporting frame is fixedly mounted at the top of the testing table, an annular rail is formed in the annular supporting frame, and a reciprocating block is slidably mounted in the annular rail; the front face of the reciprocating moving block extends out of the circular rail and is fixedly connected with a clamping rod, and the wire harness is fixed between the clamping rod and the chuck. According to the utility model, during testing, the servo motor works to drive the driving shaft to rotate, then the walking gear rotates and walks along the incomplete gear ring, the driving slide block slides in the circular track, and the reciprocating block slides in the circular track under the driving of the loop bar, so that the wire harness is pulled to swing back and forth, and the movement is smooth and not blocked; the durability of the wire harness under the pulling of different angles is tested, the single-direction test is avoided, and the test is more comprehensive.

Description

Technical Field

[0001] The utility model relates to a wire harness testing device, in particular to a wire harness durability testing device. Background Art

[0002] An automotive wire harness is the main network of an automotive circuit. Without a wire harness, there would be no automotive circuit. A wire harness refers to a component formed by crimping contact terminals (connectors) made of copper material with wires and cables, and then externally plastic-molding an insulator or adding a metal shell, etc., and bundling the wire harness to form a component for connecting circuits. The wire harness industry chain includes wire and cable, connectors, processing equipment, wire harness manufacturing, and downstream application industries. The wire harness is widely used in automobiles, household appliances, computers and communication equipment, various electronic instruments and meters, etc. Therefore, the reliability of the wire harness is very important, and a large number of tests are required to verify the reliability of the product.

[0003] However, the existing wire harness durability testing equipment has an insignificant twisting effect on the wire harness body and cannot effectively detect the durability of the wire harness body, resulting in poor comprehensiveness of the test. Summary of the Utility Model

[0004] The main purpose of the present disclosure is to provide a wire harness durability testing device to effectively solve the problems raised by the inventor in the above background art.

[0005] To achieve the above object, the technical solution adopted by the utility model is as follows:

[0006] A wire harness durability testing device includes a test bench. A chuck is installed at the center of the top of the test bench. A circular support frame is fixedly installed on the top of the test bench. A circular rail is provided on the circular support frame, and a reciprocating block is slidably installed in the circular rail. The front of the reciprocating block extends outside the circular rail and is fixedly connected to a clamping rod, and the wire harness is fixed between the clamping rod and the chuck. The end of the clamping rod away from the reciprocating block faces the center of the circular support frame, and the chuck is located at the center of the circular support frame.

[0007] Preferably, a driving slider is slidably installed in the circular rail. A driving shaft is rotatably installed in the driving slider. A servo motor is fixedly installed on the back of the driving slider, and the output shaft of the servo motor is fixedly connected to the rear end of the driving shaft. The front end of the driving shaft is fixedly connected to a traveling gear. A defective gear ring is fixedly installed on the top of the test bench, and the traveling gear meshes with the defective gear ring. The driving shaft is connected to the reciprocating block through a movable member.

[0008] Preferably, the movable member includes a sleeve rod and a pin shaft. The pin shaft is fixedly installed on the front of the reciprocating block. The sleeve rod is movably installed on the pin shaft, and the other end of the sleeve rod is movably connected to the front end of the driving shaft.

[0009] Preferably, the center of the top of the test bench is convex, and a circumferential shaft is rotatably installed on the convex part. The chuck is fixedly installed on the circumferential shaft. A groove is formed at the top of the chuck, and clamping assemblies are installed at both the groove and the bottom end of the clamping rod.

[0010] Preferably, each clamping assembly includes an electric push rod and a wire harness clamp. Two electric push rods are fixedly installed at both the groove and the bottom end of the clamping rod. The output end of the electric push rod is fixedly connected with a wire harness clamp, and the end of the wire harness is fixed between the wire harness clamps.

[0011] Preferably, the incomplete gear ring is coaxially arranged with the annular support frame.

[0012] In view of this, compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In this application, during the test, the servo motor operates to drive the drive shaft to rotate. Then, the traveling gear rotates and travels along the incomplete gear ring. The active slider slides in the ring rail. Driven by the sleeve rod, the reciprocating block slides in the ring rail, and then pulls the wire harness to swing back and forth. The movement is smooth without jamming, so as to test the durability of the wire harness under pulling at different angles, avoiding single-direction testing and making the test more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure shows a front view of the structure of the wire harness durability test device provided by the present utility model;

[0015] Figure 2 The figure shows a rear view of the structure of the wire harness durability test device provided by the present utility model;

[0016] Figure 3 The figure shows Figure 2 an enlarged schematic view of part A in

[0017] Figure 4 The figure shows a top view of the chuck.

[0018] Reference Signs:

[0019] 1 - Test bench; 2 - Circumferential shaft; 3 - Chuck; 301 - Electric push rod; 302 - Wire harness clamp; 4 - Annular support frame; 5 - Ring rail; 6 - Reciprocating block; 7 - Clamping rod; 8 - Active slider; 9 - Drive shaft; 10 - Servo motor; 11 - Traveling gear; 12 - Incomplete gear ring; 13 - Sleeve rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4 , the present utility model provides the following embodiments:

[0022] A wire harness durability test device includes a test bench 1. A chuck 3 is installed at the center of the top of the test bench 1. An annular support frame 4 is fixedly installed on the top of the test bench 1. A ring track 5 is provided on the annular support frame 4. A reciprocating block 6 is slidably installed in the ring track 5. The front of the reciprocating block 6 extends outside the ring track 5 and is fixedly connected to a clamping rod 7. The wire harness is fixed between the clamping rod 7 and the chuck 3. One end of the clamping rod 7 away from the reciprocating block 6 faces the center of the annular support frame 4, and the chuck 3 is located at the center of the annular support frame 4.

[0023] Specifically, a driving slider 8 is slidably installed in the ring track 5. A driving shaft 9 is rotatably installed in the driving slider 8. A servo motor 10 is fixedly installed on the back of the driving slider 8. The output shaft of the servo motor 10 is fixedly connected to the rear end of the driving shaft 9. A traveling gear 11 is fixedly connected to the front end of the driving shaft 9. A defective gear ring 12 is fixedly installed on the top of the test bench 1. The traveling gear 11 meshes with the defective gear ring 12. The driving shaft 9 is connected to the reciprocating block 6 through a movable member. The defective gear ring 12 is coaxially arranged with the annular support frame 4.

[0024] Specifically, the movable member includes a sleeve rod 13 and a pin shaft. A pin shaft is fixedly installed on the front of the reciprocating block 6. The sleeve rod 13 is movably installed on the pin shaft. The other end of the sleeve rod 13 is movably connected to the front end of the driving shaft 9, so that the movement of the driving slider 8 can drive the reciprocating block 6 to move synchronously through the sleeve rod 13.

[0025] Specifically, the center of the top of the test bench 1 is a protrusion. A circumferential shaft 2 is rotatably installed on the protrusion. The chuck 3 is fixedly installed on the circumferential shaft 2. A groove is provided on the top of the chuck 3. Clamping components are installed in both the groove and the bottom end of the clamping rod 7. The clamping component includes an electric push rod 301 and a wire harness clamp 302. Two electric push rods 301 are fixedly installed in both the groove and the bottom end of the clamping rod 7. The output end of the electric push rod 301 is fixedly connected to the wire harness clamp 302. The end of the wire harness is fixed between the wire harness clamps 302. The electric push rod 301 extends and drives the wire harness clamp 302 to move, so that the wire harness clamp 302 clamps the wire harness.

[0026] The specific implementation of this embodiment is as follows: One end of the wire harness to be tested is fixed on the clamping component on the chuck 3, and the other end is fixed on the clamping component on the clamping rod 7, so that the wire harness can be fixed before testing. During the test, the servo motor 10 works, driving the drive shaft 9 to rotate. Subsequently, the traveling gear 11 rotates and travels along the incomplete gear ring 12. The active slider 8 slides within the ring rail 5. Driven by the sleeve rod 13, the reciprocating slider 6 slides within the ring rail 5, and then pulls the wire harness to swing back and forth smoothly without jamming, so as to test the durability of the wire harness under pulling at different angles, avoiding single-direction testing and making the test more comprehensive.

[0027] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0028] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not elaborate on all the details, nor do they limit the present invention to the specific implementation manners described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the relevant technical fields can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A wiring harness durability testing device, characterized in that: The invention comprises a test bench (1), wherein a chuck (3) is installed at the center of the top of the test bench (1), an annular support frame (4) is fixedly installed on the top of the test bench (1), an annular support frame (4) is provided with an annular rail (5), and a reciprocating block (6) is slidably installed in the annular rail (5), the front of the reciprocating block (6) extends outside the annular rail (5) and is fixedly connected to a clamping rod (7), and a wiring harness is fixed between the clamping rod (7) and the chuck (3), and one end of the clamping rod (7) away from the reciprocating block (6) faces the center of the annular support frame (4), and the chuck (3) is located at the center of the annular support frame (4).

2. A wire harness durability testing device according to claim 1, characterized in that: An active slider (8) is slidably mounted in the ring rail (5), a drive shaft (9) is rotatably mounted in the active slider (8), a servo motor (10) is fixedly mounted on the back of the active slider (8), and the output shaft of the servo motor (10) is fixedly connected to the rear end of the drive shaft (9), a travel gear (11) is fixedly connected to the front end of the drive shaft (9), a broken gear ring (12) is fixedly mounted on the top of the test bench (1), and the travel gear (11) is meshed with the broken gear ring (12), and the drive shaft (9) is connected to the reciprocating block (6) through a movable part.

3. A wire harness durability testing device according to claim 2, characterized in that: The movable part comprises a sleeve rod (13) and a pin shaft. The front side of the reciprocating block (6) is fixedly mounted with a pin shaft. The sleeve rod (13) is movably mounted on the pin shaft. The other end of the sleeve rod (13) is movably connected to the front end of the driving shaft (9).

4. A wire harness durability testing device according to claim 1, characterized in that: The center of the top of the test bench (1) is a protrusion, and a circumferential shaft (2) is rotatably mounted on the protrusion. The chuck (3) is fixedly mounted on the circumferential shaft (2). A groove is provided on the top of the chuck (3), and clamping components are installed in the groove and at the bottom end of the clamping rod (7).

5. A wire harness durability testing device according to claim 4, characterized in that: The clamping assembly comprises an electric push rod (301) and a harness clamp (302), two electric push rods (301) are fixedly installed in the groove and at the bottom end of the clamping rod (7), the output end of the electric push rod (301) is fixedly connected to the harness clamp (302), and the end of the harness is fixed between the harness clamps (302).

6. A wire harness durability testing device according to claim 2, characterized in that: The incomplete gear ring (12) is coaxially arranged with the annular support frame (4).

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