CN220751838U - Wire harness terminal tensile force testing machine - Google Patents

Abstract

The utility model relates to the technical field of wire harness detection, specifically a wire harness terminal tension tester, including a mounting seat, a mounting frame and a tension test mechanism; the mounting seat is provided with a clamping mechanism a for clamping one end of the wire harness with a terminal and a clamping mechanism b for clamping the other end of the wire harness; the clamping mechanism a includes a support block, a clamping block and a driving mechanism for driving the clamping block to move toward the support block and clamp the wire harness; the driving mechanism is connected to the mounting frame; the support block is connected to the mounting seat; the clamping block is located directly above the support block; the tension test mechanism is connected to the mounting frame, and the tension test mechanism is located between the clamping mechanism a and the clamping mechanism b. The utility model can be applied to tension tests on wire harnesses of different sizes through the clamping mechanism composed of the clamping block and the support block, and has stronger applicability.

Description

A wire harness terminal tension testing machine

Technical Field

The utility model relates to the technical field of wire harness detection, in particular to a wire harness terminal tension testing machine.

Background technique

Tensile testing machine is also known as universal material testing machine. Universal testing machine is a mechanical force testing machine used to perform mechanical property tests such as static load, stretching, compression, bending, shearing, tearing, peeling, etc. on various materials. It is suitable for various physical and mechanical property tests of plastic plates, pipes, special-shaped materials, plastic films, rubber, wires and cables, steel, glass fiber and other materials. It is an indispensable testing equipment for material development, physical property testing, teaching research, quality control, etc. The tensile machine fixture is an important part of the instrument. Different materials require different fixtures, which is also an important factor in whether the test can be carried out smoothly and the accuracy of the test results.

The Chinese patent with the authorization announcement number CN217277419U discloses a wire harness terminal tension tester, which includes a workbench, the bottom four corners of the workbench are all equipped with support legs, the workbench is provided with a connecting hole, the two sides of the connecting hole are respectively provided with a metal terminal card plate and a clamping seat installed on the workbench, the top of the metal terminal card plate is provided with a plurality of evenly arranged card slots, the top of the clamping seat is provided with a plurality of evenly arranged clamping slots, a telescopic rod 1 is fixed on the clamping seat through a mounting frame, the output shaft of the telescopic rod 1 is connected with a mounting plate located above the clamping seat, the bottom end of the mounting plate is provided with a plurality of clamping blocks slidably connected in the clamping slots, and a telescopic rod 2 is installed on one side of the bottom end of the workbench. The device can clamp and fix multiple wire harnesses at one time, and through the arrangement of the telescopic rod 2, the tension sensor, the spring and the hook, it can realize the tension test of multiple wire harnesses at one time, and the test efficiency is high.

However, the above-mentioned disclosed solutions have the following shortcomings: the clamping method is not suitable for fixing wiring harness terminals of different sizes and has poor versatility.

Utility Model Content

The utility model aims to provide a wire harness terminal tension testing machine in view of the problems existing in the background technology.

The technical solution of the utility model is as follows: a wire harness terminal tension tester, comprising a mounting seat, a mounting frame and a tension test mechanism; the mounting seat is provided with a clamping mechanism a for clamping one end of the wire harness with a terminal and a clamping mechanism b for clamping the other end of the wire harness; the clamping mechanism a comprises a supporting block, a clamping block and a driving mechanism for driving the clamping block to move toward the supporting block and clamp the wire harness; the driving mechanism is connected to the mounting frame; the supporting block is connected to the mounting seat; the clamping block is located directly above the supporting block; the tension test mechanism is connected to the mounting frame, and the tension test mechanism is located between the clamping mechanism a and the clamping mechanism b.

Preferably, the driving mechanism includes a threaded rod, a fixed plate, a motor and a guide rod; the threaded rod and the guide rod are arranged side by side, the two ends of the guide rod are respectively connected to the support block and the fixed plate, the two ends of the threaded rod are respectively rotatably connected to the support block and the fixed plate, and are transmission-connected to the motor; the motor is connected to the fixed plate; the fixed plate is connected to the mounting frame; the clamping block is threadedly connected to the threaded rod and slidably connected to the guide rod.

Preferably, a plurality of grooves a are provided on the end surfaces of the clamping block and the supporting block facing each other, and the plurality of grooves a are evenly distributed side by side.

Preferably, the tensile testing mechanism includes a telescopic mechanism, a connecting plate and a push plate; the fixed end of the telescopic mechanism is connected to the mounting frame, and the telescopic end of the telescopic mechanism is connected to the connecting plate; a plurality of pressure sensors are evenly arranged at one end of the connecting plate away from the telescopic mechanism, and the other ends of the pressure sensors are connected to the push plate.

Preferably, the clamping mechanism b includes a pressure plate and a mounting plate; two mounting plates are provided and are connected to the mounting seat; a pressure roller is eccentrically arranged between the two mounting plates; a handle is provided on the pressure roller; the pressure plate is connected to the mounting seat, and the pressure plate is located between the two mounting plates and directly below the pressure roller.

Preferably, the upper end surface of the pressure plate has a horizontal end surface and an inclined end surface inclined upward away from the tensile testing mechanism; a plurality of grooves b are provided on the inclined end surface; and the grooves b correspond to the grooves a one-to-one.

Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

The clamping mechanism composed of the clamping block and the supporting block can be used for tensile testing of wire harnesses of different sizes, and has stronger applicability; the pressure plate is provided with grooves corresponding to the supporting blocks, which is convenient for limiting and tightening the wire harness and avoiding experimental errors caused by different tightness between wire harnesses; the cooperation between the pressure roller and the pressure plate can quickly clamp and limit the wire harness, and the operation of clamping and fixing the wire harness is simple and quick, and the wire harness fixing effect is better.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a cross-sectional view of an embodiment of the present invention.

FIG. 3 is a front view of an embodiment of the present invention.

FIG. 4 is a partial enlarged view of point A in FIG. 3 .

Figure numerals: 1. mounting seat; 2. mounting frame; 3. clamping mechanism a; 31. motor; 32. fixing plate; 33. threaded rod; 34. guide rod; 35. clamping block; 36. support block; 4. tensile test mechanism; 41. telescopic mechanism; 42. connecting plate; 43. pressure sensor; 44. push plate; 5. clamping mechanism b; 51. pressure plate; 53. handle; 54. pressure roller; 55. mounting plate.

Detailed ways

Embodiment 1

As shown in Figures 1 to 3, the utility model proposes a wire harness terminal tension testing machine, including a mounting base 1, a mounting frame 2 and a tension testing mechanism 4; the mounting base 1 is provided with a clamping mechanism a3 for clamping one end of the wire harness with a terminal and a clamping mechanism b5 for clamping the other end of the wire harness.

The clamping mechanism a3 includes a support block 36, a clamping block 35 and a driving mechanism for driving the clamping block 35 to move toward the support block 36 and clamp the wiring harness; the driving mechanism is connected to the mounting frame 2; the support block 36 is connected to the mounting seat 1; and the clamping block 35 is located directly above the support block 36.

The tensile testing mechanism 4 is connected to the mounting frame 2 and is located between the clamping mechanism a3 and the clamping mechanism b5.

Embodiment 2

As shown in Figures 1 to 3, the utility model proposes a wire harness terminal tension tester. Compared with the first embodiment, the present embodiment further includes a driving mechanism, which includes a threaded rod 33, a fixed plate 32, a motor 31 and a guide rod 34; the threaded rod 33 and the guide rod 34 are arranged side by side, and the two ends of the guide rod 34 are respectively connected to the support block 36 and the fixed plate 32, and the two ends of the threaded rod 33 are respectively rotatably connected to the support block 36 and the fixed plate 32, and are transmission-connected to the motor 31; the motor 31 is connected to the fixed plate 32; the fixed plate 32 is connected to the mounting frame 2; the clamping block 35 is threadedly connected to the threaded rod 33 and slidably connected to the guide rod 34. The motor 31 drives the threaded rod 33 to rotate, thereby driving the clamping block 35 to slide along the guide rod 34.

A plurality of grooves a are provided on the end surfaces of the clamping block 35 and the supporting block 36 facing each other. The plurality of grooves a are evenly distributed side by side, which can improve the clamping effect.

Embodiment 3

As shown in Figures 1 to 4, the utility model proposes a wire harness terminal tension tester. Compared with the first embodiment, this embodiment also includes a tension test mechanism 4, which includes a telescopic mechanism 41, a connecting plate 42 and a push plate 44; the fixed end of the telescopic mechanism 41 is connected to the mounting frame 2, and the telescopic end of the telescopic mechanism 41 is connected to the connecting plate 42; a plurality of pressure sensors 43 are evenly arranged at one end of the connecting plate 42 away from the telescopic mechanism 41, and the other ends of the pressure sensors 43 are all connected to the push plate 44. The telescopic mechanism 41 drives the connecting plate 42 to move toward the wire harness, and after the push plate 44 contacts the stretched wire harness, the wire harness is stretched under the thrust of the telescopic mechanism 41, and the tension on the wire harness terminal can be measured by observing the indication of the pressure sensor 43.

Embodiment 4

As shown in Figures 1 to 3, the present invention proposes a wire harness terminal tension tester. Compared with the first embodiment, the present embodiment further includes a clamping mechanism b5, which includes a pressure plate 51 and a mounting plate 55; two mounting plates 55 are provided and are both connected to the mounting seat 1; a pressure roller 54 is eccentrically arranged between the two mounting plates 55; and a handle 53 is provided on the pressure roller 54. The gap value between the pressure roller 54 and the pressure plate 51 is adjusted by rotating the handle 53. The pressure plate 51 is connected to the mounting seat 1, and the pressure plate 51 is located between the two mounting plates 55 and directly below the pressure roller 54.

The upper end surface of the pressure plate 51 has a horizontal end surface and an inclined end surface that is inclined upward away from the tension test mechanism 4; a plurality of grooves b are provided on the inclined end surface; the grooves b correspond to the grooves a one-to-one, and the grooves b facilitate the positioning and tightening of the wire harness.

In summary, in the present invention, the wire harness with one end of the terminal in the wire harness terminal is placed in the groove a on the support block 36, the motor 31 is started, the clamping block 35 moves toward the support block 36, and one end of the wire harness is clamped; the handle 53 is turned to create a gap between the pressure roller 54 and the pressure plate 51, the other end of the wire harness is passed through between the pressure roller 54 and the pressure plate 51 and the wire harness is respectively located in the corresponding groove b, the wire harness is tightened and the handle 53 is turned to make the pressure roller 54 press the wire harness. After the two ends of the wire harness terminal are clamped, the telescopic mechanism 41 is started, the telescopic mechanism 41 drives the connecting plate 42 to move toward the wire harness, and after the push plate 44 contacts the tightened wire harness, the wire harness is stretched under the thrust of the telescopic mechanism 41, and the tension on the wire harness terminal can be measured by observing the indication of the pressure sensor 43.

The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims (6)

1. A wire harness terminal tension testing machine, characterized in that it comprises a mounting seat (1), a mounting frame (2) and a tension testing mechanism (4); The mounting seat (1) is provided with a clamping mechanism a (3) for clamping one end of the wiring harness with a terminal and a clamping mechanism b (5) for clamping the other end of the wiring harness; The clamping mechanism a (3) comprises a support block (36), a clamping block (35) and a driving mechanism for driving the clamping block (35) to move toward the support block (36) and clamp the wire harness; the driving mechanism is connected to the mounting frame (2); the support block (36) is connected to the mounting seat (1); the clamping block (35) is located directly above the support block (36); The tensile testing mechanism (4) is connected to the mounting frame (2), and the tensile testing mechanism (4) is located between the clamping mechanism a (3) and the clamping mechanism b (5). 2. A wire harness terminal tension testing machine according to claim 1, characterized in that the driving mechanism comprises a threaded rod (33), a fixed plate (32), a motor (31) and a guide rod (34); the threaded rod (33) and the guide rod (34) are arranged side by side, and the two ends of the guide rod (34) are respectively connected to the support block (36) and the fixed plate (32), and the two ends of the threaded rod (33) are respectively rotatably connected to the support block (36) and the fixed plate (32), and are transmission-connected to the motor (31); the motor (31) is connected to the fixed plate (32); the fixed plate (32) is connected to the mounting frame (2); the clamping block (35) is threadedly connected to the threaded rod (33) and slidably connected to the guide rod (34). 3. A wire harness terminal tension testing machine according to claim 2, characterized in that a plurality of grooves a are provided on the end surfaces of the clamping block (35) and the supporting block (36) facing each other, and the plurality of grooves a are evenly distributed side by side. 4. A wire harness terminal tensile testing machine according to claim 1, characterized in that the tensile testing mechanism (4) comprises a telescopic mechanism (41), a connecting plate (42) and a push plate (44); the fixed end of the telescopic mechanism (41) is connected to the mounting frame (2), and the telescopic end of the telescopic mechanism (41) is connected to the connecting plate (42); a plurality of pressure sensors (43) are evenly arranged at one end of the connecting plate (42) away from the telescopic mechanism (41), and the other end of each pressure sensor (43) is connected to the push plate (44). 5. A wire harness terminal tension testing machine according to claim 2, characterized in that the clamping mechanism b (5) comprises a pressure plate (51) and a mounting plate (55); Two mounting plates (55) are provided and are both connected to the mounting seat (1); a pressure roller (54) is rotatably eccentrically arranged between the two mounting plates (55); a handle (53) is provided on the pressure roller (54); The pressure plate (51) is connected to the mounting seat (1), and the pressure plate (51) is located between the two mounting plates (55) and directly below the pressure roller (54). 6. A wire harness terminal tensile testing machine according to claim 5, characterized in that the upper end surface of the pressure plate (51) has a horizontal end surface and an inclined end surface inclined upward away from the tensile testing mechanism (4); a plurality of grooves b are provided on the inclined end surface; and the grooves b correspond to the grooves a one-to-one.