A kind of automobile wire harness scratch resistance tester

By driving the sliding block and sliding support plate to move in opposite directions using a servo motor, and combining this with the synchronous rotation adjustment of the scraper block and support block, the problems of low efficiency and insufficient detection in the existing wire harness testing technology are solved, achieving efficient and flexible wire harness abrasion resistance testing.

CN116067813BActive Publication Date: 2025-11-07ZHUCHENG HAIYUN AUTOMOBILE FITTING
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Patent Information

Application Number
CN202211595049.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-12
Publication Date
2025-11-07
Estimated Expiration
2042-12-12

AI Technical Summary

Technical Problem

In existing automotive wiring harness abrasion resistance testing machines, the wiring harness cannot move quickly, resulting in low testing efficiency and insufficient flexibility in the testing area, leading to inadequate and incomplete abrasion resistance testing.

Method used

A scratch and abrasion resistance testing machine for automotive wiring harnesses was designed. By driving the sliding block and sliding support plate to move in opposite directions through a servo motor, and combining the synchronous rotation adjustment of the scraper and support block, the machine can achieve rapid friction and scratching of the wiring harness and flexible adjustment of the clamping force, thereby enhancing the testing efficiency and comprehensiveness.

Benefits of technology

It enables efficient testing of wire harness abrasion resistance, improves testing efficiency, and allows for flexible adjustment of different positions on the wire harness surface to ensure the sufficiency and stability of the test.

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Abstract

The application discloses a kind of automobile wire harness scratch resistance test machines, it is related to automobile wire harness detection technical field, including rack, middle part of the rack is fixed with intermediate block, reset spring I is fixed between the intermediate block with the sliding block II, the sliding block II is fixed with sliding support plate, a pair of fixed frame is installed on sliding support plate, each the fixed frame is installed with the clamping assembly for locking wire harness, adjusting block is installed with the scratch block that is abutted with wire harness, the handle rotation of being set can drive traction rod swing, so that under the elastic effect of reset spring II and reset spring I, sliding block II and sliding block I can be towards, opposite movement alternately repeated, so that sliding support plate and door type frame can be quickly relative reciprocating motion, effectively promote the efficient friction scratch effect of scratch block to wire harness, greatly improve the efficiency of wire harness wear resistance detection test.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of automobile wire harness detection, and particularly relates to an automobile wire harness abrasion resistance testing machine. BACKGROUND

[0002] An automobile wire harness is a network main body of an automobile circuit, and there is no automobile circuit without the wire harness. The wire harness refers to a component for connecting a circuit, which is formed by bundling a contact terminal made of copper and a wire cable after pressure connection, and further includes an insulating body or a metal shell.

[0003] A wire harness abrasion resistance testing machine is disclosed in Chinese Patent No. CN216978704U, which comprises a base and a motor, and further comprises a fixing frame, a wire harness fixing plate device, an abrasion device and a driving assembly arranged on the base. The fixing frame has a first vertical plate, a second vertical plate, a third vertical plate and a horizontal plate. The three vertical plates are sequentially and spacedly fixed on the base. The horizontal plate is fixed at the top of the first vertical plate and the second vertical plate. Two guide rods are arranged between the second vertical plate and the third vertical plate. The abrasion device is arranged on the guide rods. The wire harness fixing plate device is arranged between the second vertical plate and the third vertical plate and fixed on the base. The driving assembly has a connecting rod and an eccentric wheel. The eccentric wheel is fixed on the rotating shaft of the motor. The connecting rod is connected with the eccentric wheel and the abrasion device at two ends. The device realizes the detection test on the wire harness by the relative friction movement of the abrasion device relative to the wire harness. However, the wire harness cannot move during the detection process, which is not conducive to the rapid relative movement of the wire harness and the abrasion device. The abrasion resistance test operation efficiency of the wire harness is poor. Moreover, the abrasion resistance detection position of the wire harness cannot be flexibly adjusted, and the abrasion resistance detection of the wire harness is not sufficient and comprehensive. In view of the above technical defects in the prior art, the present application provides a wire harness abrasion resistance testing machine to solve the above problems. SUMMARY

[0004] The application aims to provide a wire harness abrasion resistance testing machine to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme.

[0006] The utility model provides a kind of automobile wire harness scratch resistance test machine, including frame, middle part fixed with intermediate block in the frame, sliding block I and sliding block II are respectively in the intermediate block two sides of the frame are slidably installed, reset spring II is fixed between the sliding block I and the intermediate block, reset spring I is fixed between the intermediate block and the sliding block II, servo motor is fixed on the sliding block II, coaxially fixed with handle on the output shaft of servo motor, hinged with traction bar between handle and the sliding block I, sliding support plate is fixed on the sliding block II, a pair of fixed frame is installed on sliding support plate, each the fixed frame is installed with the clamping component for locking wire harness, door type frame is slidably connected with the sliding support plate on the sliding block I, hanger is fixed on the door type frame, steering sleeve pipe for wire harness is rotatably installed on the hanger, the block for supporting wire harness is fixed on the steering sleeve pipe, adjusting block is slidably installed on the steering sleeve pipe, the scratch block that abuts against wire harness is installed on the adjusting block, scratch block is oppositely arranged with the block, coaxially fixed with driven gear on the steering sleeve pipe, and main gear is rotatably installed on the hanger and is meshed with driven gear.

[0007] As an improved scheme of the utility model: coaxially fixed with twist disc on the main gear, the locking stud that abuts against the hanger is threadedly connected on the twist disc.

[0008] As an improved scheme of the utility model: the limit guide column is fixed on the steering sleeve pipe, the adjusting block is slidably sleeved on the limit guide column, the back-shaped frame plate is slidably installed on the block, the positioning wedge block that is clamped with the block is slidably installed on the back-shaped frame plate, the vertical plate is fixed on the positioning wedge block, and the pull rod is connected between the vertical plate and the adjusting block.

[0009] As an improved scheme of the utility model: a plurality of fixed wedge blocks are fixedly installed at equal intervals on the block, the positioning wedge block is clamped between two adjacent fixed wedge blocks, the limit plate is fixed on the vertical plate, and the tension spring is fixed between the limit plate and the back-shaped frame plate.

[0010] As an improved scheme of the utility model: the vertical stand that is fixed with scratch block is slidably installed on the adjusting block, the fixed disc is rotatably sleeved on the vertical stand, and the spring ring is fixedly connected between the fixed disc and the adjusting block.

[0011] As an improved scheme of the utility model: the threaded sleeve that is threadedly connected with the vertical stand is rotatably installed on the adjusting block, and the vertical strip block that slidably penetrates the adjusting block is fixed on the adjusting block.

[0012] As a further improvement of the present application, the clamping assembly comprises two conical clamping blocks respectively arranged on two sides of the wire harness, a pushing ring is slidingly arranged on the sliding support plate and abuts against the outer wall of the conical clamping block, a limiting guide block is slidingly connected with the fixed frame and fixed on the conical clamping block, and a connecting spring is fixed between the limiting guide block and the fixed frame.

[0013] As a further improvement of the present application, two coaxially fixed threaded rods with opposite screw directions are rotatably arranged on the sliding support plate, a threaded sleeve block slidingly connected with the sliding support plate is threadedly sleeved on each threaded rod, and the threaded sleeve block is fixedly connected with the pushing ring.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] The rotation of the handle can drive the traction rod to swing, and the sliding block II and the sliding block I can move towards each other and away from each other alternately and repeatedly under the elastic action of the reset spring II and the reset spring I, so that the sliding support plate and the door-shaped frame can perform rapid relative reciprocating motion, effectively promoting the efficient friction and scraping action of the scraping block on the wire harness, and greatly improving the efficiency of the wire harness wear resistance test.

[0016] In the present application, the deflection of the steering sleeve can be realized by screwing the screw disc, so that the scraping block and the support block can be synchronously rotated and adjusted, the wear resistance test of different positions on the surface of the wire harness can be realized, the scraping block can be attached to the surface of the wire harness by moving and adjusting the adjusting block relative to the support block, the vertical stand can be slidingly adjusted by screwing the threaded sleeve, the flexible adjustment effect of the pressing force of the scraping block on the wire harness can be realized, the wire harness wear resistance test adjustment is convenient, and the detection is sufficient and comprehensive. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the present application;

[0018] Figure 2 is a structural schematic diagram of the present application Figure 1 is a structural schematic diagram under a certain visual angle;

[0019] Figure 3 is a connection schematic diagram of the threaded rod, the threaded sleeve block and the pushing ring of the present application;

[0020] Figure 4 is a structural schematic diagram of the clamping assembly in the present application;

[0021] Figure 5 is a partial structural schematic diagram of the present application;

[0022] Figure 6 is a structural schematic diagram of the main gear, the driven gear, the steering sleeve and the screw disc in the present application;

[0023] Figure 7 For the invention Figure 5 The schematic view of the middle part structure after cutting.

[0024] In the figure: 1-frame, 2-intermediate block, 3-sliding block I, 4-pulling rod, 5-sliding block II, 6-handle, 7-reset spring I, 8-reset spring II, 9-door frame, 10-sliding cradle, 11-threaded rod, 12- support block, 13-wire harness, 14-conical clamping block, 15-push ring, 16-scraping block, 17-main gear, 18-threaded sleeve block, 19-limiting plate, 20-fixed frame, 21-limiting guide block, 22- connecting spring, 23-hanging bracket, 24-driven gear, 25-vertical plate, 26-pull rod, 27-adjusting block, 28-threaded sleeve, 29-vertical column, 30-vertical strip block, 31- back-shaped frame plate, 32-limiting guide column, 33-fixed disc, 34-spring ring, 35-twist disc, 36-locking stud, 37- steering sleeve, 38-fixed wedge block, 39-positioning wedge block, 40-pulling spring, 41-servo motor. DETAILED DESCRIPTION

[0025] The technical solutions of the patent will be further described in detail in combination with specific embodiments:

[0026] Embodiment 1

[0027] Please refer to Figures 1-7 A kind of automobile wire harness abrasion tester, including frame 1, intermediate block 2 is fixed in the middle part of frame 1, sliding block I 3 and sliding block II 5 are slidably installed in the frame 1 on the two sides of intermediate block 2 respectively, reset spring II 8 is fixed between sliding block I 3 and intermediate block 2, reset spring I 7 is fixed between intermediate block 2 and sliding block II 5, servo motor 41 is fixed on sliding block II 5, the output shaft of servo motor 41 is coaxially fixed with handle 6, pulling rod 4 is hinged between handle 6 and sliding block I 3, sliding cradle 10 is fixed on sliding block II 5, a pair of fixed frame 20 are installed on sliding cradle 10, and clamping assembly for locking wire harness 13 is installed on each fixed frame 20.

[0028] By setting the clamping assembly, wire harness 13 to be subjected to abrasion detection is fixed on sliding cradle 10, after starting servo motor 41, servo motor 41 can drive handle 6 to rotate, handle 6 drives pulling rod 4 to swing, under the transmission action of pulling rod 4 and the elastic connection action of reset spring I 7 and reset spring II 8, sliding block II 5 and sliding block I 3 move towards each other and away from each other alternately and repeatedly.

[0029] And the sliding block I3 is fixed with the door type frame 9 which is slidingly connected with the sliding support plate 10, the door type frame 9 is fixed with the hanging bracket 23, the hanging bracket 23 is rotatably installed with the steering sleeve 37 through which the wire harness 13 passes, the steering sleeve 37 is fixed with the supporting block 12 for supporting the wire harness 13, the steering sleeve 37 is vertically slidingly installed with the adjusting block 27, the adjusting block 27 is installed with the scraping block 16 which abuts against the wire harness 13, the scraping block 16 is oppositely arranged with the supporting block 12, the steering sleeve 37 is coaxially fixed with the driven gear 24, the driven gear 24 is meshingly connected with the main gear 17 which is rotatably installed on the hanging bracket 23.

[0030] The sliding support plate 10 driven by the sliding block II5 and the door type frame 9 driven by the sliding block I3 can move towards each other and away from each other alternately and repeatedly, so that the scraping block 16 can quickly and repeatedly rub and scrape the surface of the wire harness 13 back and forth to perform the wear resistance test, realizing the efficient detection of the wire harness 13.

[0031] The main gear 17 is coaxially fixed with the twisting disc 35, the twisting disc 35 is threadedly connected with the locking stud 36 which abuts against the hanging bracket 23, the main gear 17 is driven to rotate by twisting the twisting disc 35, the main gear 17 drives the driven gear 24 to rotate, at this time, the driven gear 24 drives the steering sleeve 37 to rotate and adjust, thereby realizing the synchronous steering adjustment of the supporting block 12 and the scraping block 16, realizing that the scraping block 16 can abut against different positions of the surface of the wire harness 13, and realizing the sufficient and comprehensive detection effect of the wire harness 13. The supporting block 12 is arranged to effectively support the wire harness 13, and the supporting block 12 and the scraping block 16 can always be opposite, which ensures the stable clamping of the supporting block 12 and the scraping block 16 on the wire harness 13, greatly improving the detection effect of the wire harness 13.

[0032] Embodiment 2

[0033] Please refer to Figures 1-7 On the basis of embodiment 1, in addition, the steering sleeve 37 is fixed with the limiting guide column 32, the adjusting block 27 is slidingly sleeved on the limiting guide column 32, the supporting block 12 is slidingly installed with the back-shaped frame plate 31, the back-shaped frame plate 31 is slidingly installed with the positioning wedge block 39 which is clamped with the supporting block 12, the positioning wedge block 39 is fixed with the vertical plate 25, and the vertical plate 25 is connected with the adjusting block 27 through the pull rod 26. The supporting block 12 is fixed with a plurality of fixed wedge blocks 38 at equal intervals, the positioning wedge block 39 is clamped between two adjacent fixed wedge blocks 38, the vertical plate 25 is fixed with the limiting plate 19, and the limiting plate 19 is fixed with the pulling spring 40 between the back-shaped frame plate 31.

[0034] When the pushing adjusting block 27 is pushed to move towards the wire harness 13, the pushing adjusting block 27 is pushed to move by the pull rod 26, at this time, the back-shaped frame plate 31 slides relative to the supporting block 12, the positioning wedge block 39 slides relative to the fixed wedge block 38, and under the elastic pulling effect of the pulling spring 40, the positioning wedge block 39 is inserted and positioned between the adjacent two fixed wedge blocks 38, so that the positioning effect of the position of the adjusting block 27 is realized. Through the above adjustment, the scraping block 16 can move towards the wire harness 13 and finally realize that the scraping block 16 is pressed on the surface of the wire harness 13, so as to ensure that the wire harness 13 is scraped when the scraping block 16 slides.

[0035] In addition, a vertical column 29 fixed with the scraping block 16 is vertically slidably installed on the adjusting block 27, a fixed disc 33 is rotatably sleeved on the vertical column 29, and a spring ring 34 is fixedly connected between the fixed disc 33 and the adjusting block 27. A threaded sleeve 28 threadedly connected with the vertical column 29 is rotatably installed on the adjusting block 27, and a vertical strip block 30 slidingly penetrating the adjusting block 27 is fixed on the adjusting block 27.

[0036] Through the above setting, when the threaded sleeve 28 is screwed, under the guidance of the vertical strip block 30, the threaded sleeve 28 can drive the vertical column 29 to move towards the wire harness 13, so that the pressing force of the scraping block 16 on the wire harness 13 is more finely adjusted, and the pressing force of the actual wear process can be simulated to fully detect the wire harness 13.

[0037] Embodiment 3

[0038] Please refer to Figures 1-7 On the basis of embodiment 2, in addition, the clamping assembly includes two conical clamping blocks 14 respectively located on both sides of the wire harness 13, a pushing ring 15 abutting against the outer wall of the conical clamping block 14 is slidably installed on the sliding supporting plate 10, a limiting guide block 21 slidably connected with the fixed frame 20 is fixed on the conical clamping block 14, and a connecting spring 22 is fixed between the limiting guide block 21 and the fixed frame 20.

[0039] In addition, two threaded rods 11 coaxially fixed and reversely threaded are rotatably installed on the sliding supporting plate 10, a threaded sleeve block 18 slidably connected with the sliding supporting plate 10 is threadedly sleeved on each threaded rod 11, and the threaded sleeve block 18 is fixedly connected with the pushing ring 15.

[0040] Through the above setting, the wire harness 13 passes from the center of the two groups of conical clamping blocks 14, the threaded sleeve block 18 can be driven by screwing the threaded rod 11, and the two threaded sleeve blocks 18 move away from each other to drive the two push rings 15 to move away from each other, at this time, the push ring 15 pushes the conical clamping block 14, and the push ring 15 moves towards the large diameter end of the conical clamping block 14, at this time, the two conical clamping blocks 14 on each fixed frame 20 can be close to each other and clamp the wire harness 13, effectively fixing the two ends of the wire harness 13, effectively improving the stability of the wire harness 13 in the wear detection process, and the detection effect of the wire harness 13 is guaranteed.

[0041] To sum up, the handle 6 is rotated to drive the traction rod 4 to swing, the sliding block II 5 and the sliding block I 3 can move towards each other and move away from each other alternately and repeatedly under the elastic action of the reset spring II 8 and the reset spring I 7, the sliding plate 10 and the door-shaped frame 9 can move relatively and reciprocatingly quickly, the scraping block 16 can effectively scrape and rub the wire harness 13, and the efficiency of the wear resistance detection test of the wire harness 13 is greatly improved. In the present application, the deflection of the steering sleeve 37 can be realized by rotating the threaded disc 35, so that the scraping block 16 and the block 12 can be synchronously adjusted, the wear resistance detection test of different positions on the surface of the wire harness 13 can be realized, the scraping block 16 can be attached to the surface of the wire harness 13 by moving the adjusting block 27 relative to the block 12, and the vertical column 29 can be adjusted by rotating the threaded sleeve 28, so that the pressure of the scraping block 16 on the wire harness 13 can be flexibly adjusted, the wear resistance detection test of the wire harness 13 is convenient and sufficient.

[0042] It should be particularly noted that, although the present application is described in the form of embodiments, each embodiment does not necessarily contain only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand. The above examples only express the preferred embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the patent of the present application. It should be noted that, for those skilled in the art, without departing from the concept of the present application, a number of modifications, improvements and substitutions can be made, which are within the scope of the present application. The protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A kind of automobile wire harness scratch resistance tester, including frame (1), intermediate block (2) is fixed in the middle part of frame (1), it is characterized in that, The rack (1) is slidably installed with sliding block I (3) and sliding block II (5) on both sides of the middle block (2) respectively, reset spring II (8) is fixed between the sliding block I (3) and the middle block (2), reset spring I (7) is fixed between the middle block (2) and the sliding block II (5), servo motor (41) is fixed on the sliding block II (5), the output shaft of the servo motor (41) is coaxially fixed with the handle (6), the handle (6) is hinged with the traction rod (4) between the sliding block I (3), the sliding block II (5) is fixed with the sliding support plate (10), a pair of fixed frame (20) is installed on the sliding support plate (10), each fixed frame (20) is installed with the clamping assembly for locking the wire harness (13), the sliding block I (3) is fixed with the door type frame (9) which is slidably connected with the sliding support plate (10), the door type frame (9) is fixed with the hanging bracket (23), the turning sleeve (37) for the wire harness (13) is rotatably installed on the hanging bracket (23), the supporting block (12) for supporting the wire harness (13) is fixed on the turning sleeve (37), the adjusting block (27) is vertically slidably installed on the turning sleeve (37), the scraping block (16) abutting against the wire harness (13) is installed on the adjusting block (27), the scraping block (16) is oppositely arranged with the supporting block (12), the driven gear (24) is coaxially fixed on the turning sleeve (37), the main gear (17) rotatably installed on the hanging bracket (23) is meshingly connected with the driven gear (24), the limiting guide column (32) is fixed on the turning sleeve (37), the adjusting block (27) is slidably sleeved on the limiting guide column (32), the back-shaped frame plate (31) is slidably installed on the supporting block (12), the positioning wedge block (39) clamped with the supporting block (12) is slidably installed on the back-shaped frame plate (31), the vertical plate (25) is fixed on the positioning wedge block (39), the pull rod (26) is connected between the vertical plate (25) and the adjusting block (27), a plurality of fixed wedge blocks (38) are equidistantly fixed on the supporting block (12), the positioning wedge block (39) is clamped between two adjacent fixed wedge blocks (38), the limiting plate (19) is fixed on the vertical plate (25), the pulling spring (40) is fixed between the limiting plate (19) and the back-shaped frame plate (31), the clamping assembly comprises two tapered clamping blocks (14) on both sides of the wire harness (13), the sliding support plate (10) is slidably installed with the push ring (15) abutting against the outer wall of the tapered clamping block (14), the limiting guide block (21) slidably connected with the fixed frame (20) is fixed on the tapered clamping block (14), the connecting spring (22) is fixed between the limiting guide block (21) and the fixed frame (20).

2. The automobile wire harness scratch resistance tester according to claim 1, characterized in that, The main gear (17) is coaxially fixed with the twisting disc (35), the locking stud (36) abutting against the hanging bracket (23) is threadedly connected on the twisting disc (35).

3. The automobile wire harness scratch resistance tester according to claim 1, characterized in that, A vertical column (29) fixed with the scraping block (16) is vertically slidably arranged on the adjusting block (27), a fixed disc (33) is rotatably sleeved on the vertical column (29), and a spring ring (34) is fixedly connected between the fixed disc (33) and the adjusting block (27).

4. The automobile wire harness scratch resistance tester according to claim 3, characterized in that, A threaded sleeve (28) threadedly connected with the vertical column (29) is rotatably arranged on the adjusting block (27), and a vertical strip block (30) slidably penetrating the adjusting block (27) is fixed on the adjusting block (27).

5. The automobile wire harness scratch resistance tester according to claim 1, wherein Two coaxially fixed threaded rods (11) with opposite screw directions are rotatably arranged on the sliding supporting plate (10), a threaded sleeve block (18) slidably connected with the sliding supporting plate (10) is threadedly sleeved on each threaded rod (11), and the threaded sleeve block (18) is fixedly connected with the pushing ring (15).

Citation Information

Patent Citations

  • Feeding device for wire harness terminal machine

    CN115332906A

  • Scratch and wear resistance testing machine for automobile wire harness

    CN216978704U