Tension testing device for automobile wire harness terminal

Abstract

The utility model particularly relates to an automobile wire harness terminal tension testing device, which is characterized in that a wire harness clamping device is mounted at the top of a bottom plate, an automatic lifting device is mounted in a mounting seat, the mounting seat is of a cavity structure, a strip-shaped hole is formed in a front side plate of the mounting seat, a connecting column moves along the strip-shaped hole, and the end part of the connecting column is fixedly connected with a force sensor; a terminal fixing device is installed at the bottom of the force sensor, the wire harness clamping device comprises a vertical plate fixed to the top of the bottom plate, a winding column is installed on the side face, away from the installation base, of the vertical plate, a first clamping block is arranged above the winding column, a screw is rotationally connected to the side portion of the first clamping block, and a second clamping block is in threaded connection with the screw.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of harness terminal tension testing device, concretely relates to a car harness terminal tension testing device. BACKGROUND

[0002] The harness terminal is a kind of electrical connector, and the firmness degree of terminal and harness connection is an important factor influencing harness processing quality, so it is necessary to detect how much tension can be withstood between terminal and harness in the processing production process of factory. SUMMARY

[0003] In view of the deficiencies of prior art, the utility model provides a car harness terminal tension testing device.

[0004] The technical scheme of the utility model is realized as follows: a car harness terminal tension testing device, including bottom plate, the top of bottom plate one side is provided with mounting seat, the top of bottom plate is installed with harness clamping device, automatic lifting device is installed in mounting seat, mounting seat is cavity structure, automatic lifting device includes screw rod, screw rod is rotatably connected with the top plate and bottom plate of mounting seat respectively, the one end of screw rod is connected with the driving motor vertically arranged, the driving motor is installed on the top plate of mounting seat, screw rod is screw connected with moving seat, the one end surface of moving seat is fixedly connected with the connecting column arranged horizontally, the front side plate of mounting seat is provided with the strip hole that makes the connecting column move along it, the end of connecting column is fixedly connected with force sensor, the bottom of force sensor is installed with terminal fixing device, harness clamping device includes vertical plate fixed on the top of bottom plate, the side surface of vertical plate away from mounting seat is installed with winding column, the top of winding column is provided with clamping block one, the side of clamping block one is rotatably connected with screw rod, and screw rod is screw connected with clamping block two.

[0005] Terminal fixing device includes connecting rod, the outside of connecting rod is sleeved with sleeve, the top of sleeve is open structure, and the bottom is sealing structure, the bottom of sleeve is fixedly connected with the arc-shaped plate vertically arranged and the cross section is circular, the bottom of arc-shaped plate is fixedly connected with circular plate, and the strip opening is formed in the circular plate.

[0006] Limiting rod is connected to the two sides of screw rod on clamping block two.

[0007] The end of screw rod is fixedly connected with operating handle.

[0008] The circumferential direction of winding column is provided with winding groove for winding harness.

[0009] The utility model discloses a technical scheme has following positive effect: the utility model discloses be provided with the upward movement device, and the movement device can exert the upward tension to the wiring harness terminal, and force sensor can show the size of force to test the tension of wiring harness terminal, and the wiring harness terminal is fixed through terminal fixing device and wiring harness clamping device respectively to the both ends of wiring harness terminal, thereby ensuring the smooth progress of test. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structure front view of the utility model.

[0011] Figure 2 It is the structure side view of the utility model.

[0012] Figure 3 It is the connecting structure schematic diagram of vertical plate and winding column, clamping piece one, clamping piece two.

[0013] Figure 4 It is the connecting schematic diagram of sleeve and arc plate.

[0014] Figure 5 It is the connecting overhead view of arc plate and circular plate. DETAILED DESCRIPTION

[0015] As Figures 1-5 Shown, a kind of automobile wiring harness terminal tension testing device, including bottom plate 1, the top of bottom plate 1 one side is provided with mounting seat 2, and the top of bottom plate 1 is installed with wiring harness clamping device, and automatic lifting device is installed in mounting seat 2, and mounting seat 2 is cavity structure, and automatic lifting device includes lead screw 3, and lead screw 3 is rotatably connected with the top plate and bottom plate of mounting seat 2 respectively, and one end of lead screw 3 is connected with the drive motor 4 of vertical arrangement, and drive motor 4 is installed on the top plate of mounting seat 2, and threaded connection is carried out on lead screw 3 with moving seat 5, and one end surface of moving seat 5 is fixedly connected with the connecting column 6 of horizontal arrangement, and the front side plate of mounting seat 2 is opened with the strip-shaped hole 18 of making connecting column 6 along it move, and the end of connecting column 6 is fixedly connected with force sensor 7, and the bottom of force sensor 7 is installed with terminal fixing device, and wiring harness clamping device includes vertical plate 8 fixed on the top of bottom plate 1, and the side away from mounting seat 2 of vertical plate 8 is installed with winding column 9, and the top of winding column 9 is provided with clamping piece one 10, and the side of clamping piece one 10 is rotatably connected with screw rod 11, and threaded connection is carried out on screw rod 11 with clamping piece two 12;Specifically, first, the terminal of wiring harness 22 is fixed on terminal fixing device, then the wiring harness end wire of wiring harness 22 is wound on winding column 9, and after winding, the excess wire tail is clamped between clamping piece one 10 and clamping piece two 12, then drive motor 4 is started, lead screw 3 rotates, moving seat 5 moves up and down along lead screw 3, thereby driving terminal fixing device to move upwards, providing upward tension, thereby testing the tension of wiring harness terminal, and force sensor 7 records the force when wiring harness terminal breaks.

[0016] The terminal fixing device comprises a connecting rod 14, the outer part of the connecting rod 14 is connected with a sleeve 15 through a bolt, the top of the sleeve 15 is an open structure and the bottom is a sealed structure, the outer part of the lower part of the sleeve 15 is fixedly connected with an arc-shaped plate 20, the bottom of the arc-shaped plate 20 is fixedly connected with a circular plate 16, and a strip-shaped opening 17 is formed in the circular plate 16; specifically, the wire of the wire harness 22 is passed through the opening 17, then the wire harness 22 is pulled downwards, the terminal of the wire harness 22 is just clamped at the opening 17, the width of the terminal is greater than the width of the strip-shaped opening 17 so that the terminal can be clamped at the strip-shaped opening, the diameter of the wire harness 22 is smaller than the width of the strip-shaped opening 17 so that the wire harness can be entered into the strip-shaped opening 17, then the lower part of the wire harness 22 is continuously pulled downwards and fixed on the winding column 9.

[0017] The clamping block two 12 is connected with a limiting rod 13 on both sides of the screw rod 11; specifically, the screw rod 11 is rotated, the clamping block two 12 is moved towards one end of the clamping block one 10, and the limiting rod 13 limits the clamping block two 12.

[0018] The end of the screw rod 11 is fixedly connected with an operating handle 19; the operating handle 19 is convenient to operate.

[0019] The circumferential part of the winding column 9 is provided with a winding groove 23 for winding the wire harness 22; specifically, the wire end of the wire harness 22 is wound in the winding groove 23, the wire end of the wire harness 22 is limited, and is prevented from falling off.

Claims

1. An automobile wire harness terminal tension testing device, comprising a base plate, one side of the top of the base plate is provided with a mounting seat, characterized in that: The top of the bottom plate is provided with a wire harness clamping device, an automatic lifting device is arranged in the mounting seat, the mounting seat is a cavity structure, the automatic lifting device comprises a lead screw, the lead screw is rotatably connected with the top plate and the bottom plate of the mounting seat respectively, one end of the lead screw is connected with a vertical driving motor, the driving motor is arranged on the top plate of the mounting seat, a moving seat is threadedly connected on the lead screw, one end surface of the moving seat is fixedly connected with a horizontally arranged connecting column, a strip-shaped hole is formed in the front side plate of the mounting seat, the connecting column can move along the strip-shaped hole, the end of the connecting column is fixedly connected with a force sensor, a terminal fixing device is arranged on the bottom of the force sensor, the wire harness clamping device comprises a vertical plate fixed on the top of the bottom plate, a winding column is arranged on the side of the vertical plate away from the mounting seat, a clamping block one is arranged above the winding column, a screw rod is rotatably connected to the side of the clamping block one, a clamping block two is threadedly connected on the screw rod.

2. The device according to claim 1, wherein: The terminal fixing device comprises a connecting rod, a sleeve is sleeved on the outer portion of the connecting rod, the top of the sleeve is an open structure and the bottom of the sleeve is a sealed structure, a vertical arc-shaped plate with a circular cross section is fixedly connected to the bottom of the sleeve, a circular plate is fixedly connected to the bottom of the arc-shaped plate, a strip-shaped opening is formed in the circular plate.

3. The device of claim 1, wherein: Limiting rods are connected to the two sides of the clamping block two and located on the two sides of the screw rod.

4. The device of claim 3, wherein: The end of the screw rod is fixedly connected with an operating handle.

5. The device of claim 1, wherein: A winding groove for winding the wire harness is formed in the circumferential direction of the winding column.

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