CN221124073U

CN221124073U - Auxiliary fixture for tensile force test

Info

Publication number: CN221124073U
Application number: CN202322447687.0U
Authority: CN
Inventors: 田雁飞; 易宗钰; 周伟骐
Original assignee: Zhuzhou Jiacheng Technology Development Co ltd
Current assignee: Zhuzhou Jiacheng Technology Development Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-06-11
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses a tensile force test auxiliary tool which comprises a mounting frame and a rotary table arranged on the mounting frame, wherein the mounting frame is in rotary connection with the rotary table, and a connector connected with a tensile force device is arranged on the mounting frame; the turntable is provided with a plurality of clamping blocks along the circumference at intervals, and grooves are respectively formed in the clamping blocks. According to the utility model, the turntable provided with the clamping block is arranged, the cable is placed in the slot of the clamping block when tension test is carried out, and the terminal is clamped on the surface of the clamping block, so that the problem that the test result is influenced due to the fact that the terminal is clamped in the traditional tension test is solved; the clamping blocks are respectively provided with the grooves with various sizes, so that the testing requirements of terminals with different sizes can be met; the turntable can flexibly rotate, so that the cable and the end face of the terminal are in a vertical state when tension test is performed, and test data are more accurate.

Description

Auxiliary fixture for tensile force test

Technical Field

The utility model relates to the technical field of terminal testing devices, in particular to an auxiliary fixture for tension testing.

Background

The wire harness is often applied to the fields of automobiles, aerospace and electric devices and used for connection between a control end and an execution end, the wire harness comprises a cable and a terminal at the end part of the cable, wire cores are arranged in the cable and the terminal, stable combination of the wire cores and the terminal is a key for ensuring normal use of the wire harness, and tension test is generally carried out before the wire harness is put into use so as to test the binding force between the terminal and the wire cores. In the traditional tension test, one end of the tension device clamps the terminal, and the other end pulls the cable until the wire core is separated from the terminal, but the binding force value between the terminal and the wire core tested by the mode is larger due to the force of the tension device clamping the terminal. Therefore, a method is commonly used at present, wherein a terminal with no wire core at the top area is arranged, and the tension device clamps the part of the terminal without the wire core so as to reduce the influence on tension test. However, because the clamping area is small, the data is inaccurate, and the test value is slightly smaller than the actual value of the binding force.

The utility model discloses a pencil terminal pulling force detects frock, the on-line screen storage device comprises a base, the one end of base is equipped with vertically baffle, be equipped with the connecting hole on the baffle, be located one side of connecting hole on the baffle and be equipped with the centre gripping cover, the opposite side of base is equipped with two parallel guide bars, the both ends of guide bar are equipped with the fixing base, the upper end of fixing base is equipped with the adapter sleeve, be equipped with the slide bar between the adapter sleeve, still be equipped with the sliding seat on the guide bar, pass through connecting rod fixed connection between sliding seat and the slide bar, the slide bar is fixed with tension sensor in its one end that is close to the baffle, tension sensor's outer end is equipped with the cable, the cable outer end is connected with the centre gripping head, the outside of adapter sleeve still is equipped with the tension display, still be equipped with the screw rod between two guide bars, threaded connection between screw rod and the sliding seat, still be equipped with driving screw pivoted gear motor on the base. This patent carries out tensile test through the gripping head centre gripping terminal, and the force of gripping head centre gripping terminal can influence the terminal that tests out and the cohesion numerical value of sinle silk, and test result exists the error.

Disclosure of utility model

The utility model provides a tension test auxiliary tool for solving the problem that the test value is inaccurate due to the fact that terminals are required to be clamped in the tension test process of the conventional tension test device for the wire harness terminals.

The technical scheme adopted by the utility model is as follows:

The auxiliary fixture for the tension test comprises a mounting frame and a turntable arranged on the mounting frame, wherein the mounting frame is in rotary connection with the turntable, and a connector connected with a tension device is arranged on the mounting frame; the turntable is provided with a plurality of clamping blocks along the circumference at intervals, and grooves are respectively formed in the clamping blocks.

Further, the clamping block is a cuboid block.

Further, bolt holes are formed in two sides of the clamping block groove.

Further, the bolt hole of the clamping block is detachably connected with the turntable through a bolt.

Further, the slotting is horn-mouth slotting.

Further, the horn mouth slotting is small close to the central opening of the turntable and large away from the central opening of the turntable, and the horn mouth slotting is arranged to facilitate the placement of the cable in the slotting, and meanwhile, the terminal is guaranteed to be clamped on one surface of the clamping block close to the center of the turntable.

Further, the grooves on the clamping blocks are respectively provided with a plurality of different sizes ranging from 1.0mm to 8.3mm, and the clamping blocks can be designed according to the requirements so as to adapt to terminals with different sizes for tensile testing.

Further, a pin hole is formed in the connector, and the connector is connected with the tension device in a matched mode through the pin hole and the pin shaft.

Further, the lock nut is arranged on the connector and can slide up and down along the connector, and after the connector is connected with the tension device, the lock nut is upwards slid to clamp the pin shaft, so that the stability of the connection between the connector and the tension device is enhanced.

Further, the mounting frame is of a T-shaped structure, the lower ends of the mounting frame are arranged on two sides of the rotary table and connected with the rotary table through a rotary shaft, and the rotary table can flexibly rotate to enable the end faces of the cable and the terminal to be kept in a vertical state during tensile testing.

The upper part and the lower part are referred to by the mounting frame, the part of the mounting frame close to the joint is the upper part, and the part of the mounting frame close to the rotating shaft connected with the turntable is the lower part.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the turntable provided with the clamping block is arranged, the cable is placed in the groove of the clamping block when tension test is carried out, and the terminal is clamped on the surface of the clamping block, so that the problem that the test result is influenced due to the fact that the terminal is clamped in the traditional tension test is solved; the clamping block is provided with grooves with various sizes, so that the testing requirements of terminals with different sizes can be met; the turntable can flexibly rotate, so that the cable and the end face of the terminal are in a vertical state when tension test is performed, and test data are more accurate.

Drawings

FIG. 1 is a front view of an auxiliary fixture for tensile testing;

FIG. 2 is a side view of a tensile testing aid;

FIG. 3 is a top view of an auxiliary fixture for tensile testing;

Fig. 4 is a schematic diagram of a fixture block of the auxiliary fixture for tensile testing.

In the figure: 1-mounting rack; 2-a turntable; 3-linker; 4-locking nuts; slotting with the length of 5-1.3 mm; grooving with the diameter of 6-1.5 mm; 7-1.8mm slot; slotting with the diameter of 8-2.3 mm; slotting with the diameter of 9-2.8 mm; slotting with the diameter of 10-3.5 mm; grooving with the diameter of 11-4.5 mm; slotting with the length of 12-5.8 mm; 13-7.5mm slot; slotting with the diameter of 14-8.3 mm; slotting 15-1.0 mm; 16-horn mouth slotting; 17-bolt holes; 18-terminals.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

As shown in fig. 1-4, this embodiment provides a tensile test auxiliary fixture, including mounting bracket 1 and carousel 2 of setting on mounting bracket 1, as shown in fig. 2, mounting bracket 1 is "T" shape structure, and carousel 2 both sides are arranged in to mounting bracket 1 lower extreme, is connected through the rotation axis with carousel 2, and carousel 2 can rotate. The mounting frame 1 is made of glass fiber materials. The upper end of the mounting frame 1 is provided with a joint 3 connected with the tension device, the joint 3 is a steel piece, the joint 3 is provided with a pin hole, and the joint is connected with the tension device through the pin hole and the pin shaft in a matched mode. The carousel 2 is equipped with eleven fixture blocks along circumference even interval for fixed terminal, the fixture block is the cuboid piece, and both sides are equipped with bolt hole 17, the bolt hole 17 department of fixture block passes through the bolt and is connected with carousel 2 can dismantle, eleven fixture block centers are equipped with not unidimensional fluting respectively, the fluting is 1.0mm fluting 15, 1.3mm fluting 5, 1.5mm fluting 6, 1.8mm fluting 7, 2.3mm fluting 8, 2.8mm fluting 9, 3.5mm fluting 10, 4.5mm fluting 11, 5.8mm fluting 12, 7.5mm fluting 13, 8.3mm fluting 14, also can design other sizes in order to adapt to not unidimensional terminal according to needs and carry out tensile test. The eleven slots are all flare slots 16. The turntable 2 can flexibly rotate, and can adjust the slotting position at any time when testing the binding force of terminals with different sizes and wire cores, and can ensure that the end surfaces of the cables and the terminals are always kept in a vertical state when in tensile force test.

When the auxiliary fixture for tension test is used, the connector 3 arranged on the mounting frame 1 is required to be connected with the tension device in a matched connection mode through the pin hole and the pin shaft on the connector 3, corresponding slots are selected according to the terminal size of the wire harness to be tested, the cable is placed in the slots, as shown in fig. 4, the end parts of the terminals 18 are clamped in the horn mouth slots 16 of the clamping blocks, which are close to the center of the turntable 2, and the other ends of the cable penetrate through the slots to be connected with the tension device. The turntable 2 is rotated to enable the corresponding grooves and the joints to be on the same horizontal line, and the cable is pulled by the pulling device until the wire core and the terminal are separated to obtain the binding force value of the terminal and the wire core. In the embodiment, the terminal is not clamped by the clamping device, so that the binding force value of the terminal and the wire core obtained through testing cannot be influenced, and the test result is accurate.

Example 2

The difference between this embodiment and embodiment 1 is that the lock nut 4 is further provided on the connector 3 in this embodiment, and can slide up and down along the connector 3, and after the connector 3 is connected with the tension device, the lock nut 4 slides upwards to clamp the pin shaft, so that the stability of the connection between the connector 3 and the tension device can be enhanced.

Example 3

As shown in fig. 4, in this embodiment, the opening of the bell mouth slot 16 near the center of the turntable 2 is small, and the opening far away from the center of the turntable 2 is large, so that the bell mouth slot 16 is provided to facilitate the placement of the cable in the slot, reduce the abrasion of the cable, and ensure that the terminal 18 can be clamped on the side of the clamping block near the center of the turntable 2.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The auxiliary fixture for the tension test is characterized by comprising a mounting frame and a turntable arranged on the mounting frame, wherein the mounting frame is rotationally connected with the turntable, and a connector for being connected with a tension device is arranged on the mounting frame; the turntable is provided with a plurality of clamping blocks along the circumference at intervals, and grooves are respectively formed in the clamping blocks.

2. The auxiliary fixture for tensile testing according to claim 1, wherein the clamping block is a cuboid block.

3. The auxiliary fixture for tensile testing according to claim 1, wherein bolt holes are respectively formed in two sides of the slot in the clamping block.

4. A tensile testing auxiliary tool according to claim 3, wherein the bolt hole of the clamping block is detachably connected with the turntable through a bolt.

5. The auxiliary fixture for tensile testing according to claim 1, wherein the slot is a bell slot.

6. The auxiliary fixture for testing tension according to claim 5, wherein the horn mouth slot is small near the central opening of the turntable and large far away from the central opening of the turntable.

7. The tensile testing auxiliary fixture according to claim 1, wherein the plurality of grooves are respectively arranged in a plurality of different sizes ranging from 1.0mm to 8.3 mm.

8. The auxiliary fixture for tension test according to claim 1, wherein the joint is provided with a pin hole, and the pin hole is matched and connected with the tension device through the pin hole.

9. The auxiliary fixture for tensile testing according to claim 1, wherein the connector is provided with a lock nut which can slide up and down along the connector.

10. The auxiliary fixture for tensile force test according to claim 1, wherein the mounting frame is of a T-shaped structure, and the lower ends of the mounting frame are arranged on two sides of the turntable and are connected with the turntable through a rotating shaft.