CN218766420U - Bending cycle testing machine - Google Patents

Abstract

The utility model belongs to the technical field of wire and cable testing, and discloses a bending cycle testing machine, which includes a frame, a power mechanism is installed on the side of the frame, a support seat is installed on the frame, and a rotating bracket is installed on the support seat for rotation. , the power end of the rotating bracket is connected to the output end of the power mechanism, the rotating bracket is equipped with a number of clamps, and the frame is installed with two supporting plates directly below the rotating bracket, and the two supporting plates are both There are two waist-shaped holes, and two supporting rollers are installed on the two support plates through the waist-shaped holes, and locking nuts are installed on both ends of the two supporting rollers. Limiting mechanisms are installed on both sides of the rotating bracket, and the frame is equipped with mounting plates on both sides of the rotating bracket, and the mounting plate is equipped with an in-position sensor; the clamp holds the cable sample, and the cable sample passes through A weight is connected to the rear end between the two supporting rollers.

Description

Bending cycle testing machine

technical field

The utility model belongs to the technical field of wire and cable testing, in particular to a bending cycle testing machine.

Background technique

In recent years, with the rapid development of new energy electric vehicles, the consumption of charging pile cables for new energy electric vehicles has also increased rapidly, and the charging pile cables of new energy vehicles will be dragged and bent during their use. There will be a problem of breaking the entire strand of the internal core wire, especially the signal and control core wires, so in order to ensure the service life of the cable, it is necessary to perform a bending test on the cable before leaving the factory to obtain service life data, which is convenient for post-processing ;

During the use of the existing testing machine, it was found that: the structure of the testing machine is complex, resulting in high production costs, and thus high purchase costs; difficult operation, high technical requirements for use; bending data of multiple sets of cables cannot be obtained at the same time, and it is not easy to obtain large data.

Utility model content

In view of the problems raised by the above-mentioned background technology, the purpose of this utility model is to provide a bending cycle testing machine.

For realizing above-mentioned technical purpose, the technical scheme that the utility model adopts is as follows:

The bending cycle testing machine includes a frame, a power mechanism is installed on the side of the frame, a support seat is installed on the frame, a rotating bracket is installed on the support seat, and the power end of the rotating bracket is connected to the power mechanism The output end is connected, the rotating bracket is equipped with several fixtures, and the frame is equipped with two support plates directly below the rotating support, and the two support plates are provided with two waist-shaped holes. Two support rollers are installed on the support plate through the waist-shaped hole, and locking nuts are installed on both ends of the two support rollers. A mounting plate is installed on both sides of the rotating bracket, and an in-position sensor is installed on the mounting plate;

The clamp holds a cable sample, and a weight is connected to the rear end of the cable sample passing between the two supporting rollers.

It is further defined that at least six fixtures are installed, such a design ensures the number of simultaneous tests and improves efficiency.

It is further defined that the limit mechanism includes a limit screw threaded on the upper surface of the frame, and the screw thread of the limit screw is matched with a nut. With such a design, the position of the limit screw can be adjusted by turning the limit screw. Height, so as to achieve the purpose of adjusting the limit position, the nut can effectively prevent the displacement of the force of the limit screw.

It is further defined that the power mechanism is a high and low temperature servo motor. Such a design ensures that the power mechanism will not be affected by the environment during use.

It is further defined that there are four limit mechanisms, which are evenly distributed at the four corners on both sides of the rotary support, and there are four in-position sensors, which are evenly distributed at the four corners on both sides of the rotary support. Such a design, Ensure the effect of in-position signal transmission and limit.

Adopt the beneficial effect of the utility model:

1. The utility model has reasonable structure, few components, easy production and strong practicability;

2. The utility model does not require many technical requirements and is easy to use;

3. The utility model can meet the simultaneous test of multiple samples; the fixture can be quickly replaced to realize the experimental requirements of different products, and it is easy to restore large data.

Description of drawings

The utility model can be further illustrated by the non-limitative embodiments provided by the accompanying drawings;

Fig. 1 is the structural representation of the embodiment of the utility model bending cycle testing machine;

The main component symbols are explained as follows:

Frame 1, power mechanism 2, support seat 3, rotating bracket 4, fixture 5, support plate 6, waist hole 7, support roller 8, lock nut 9, limit mechanism 10, limit screw 101, nut 102 , mounting plate 11 , in-position sensor 12 , cable sample 13 , and weight 14 .

Detailed ways

In order to enable those skilled in the art to better understand the utility model, the technical solution of the utility model will be further described below in conjunction with the drawings and embodiments.

As shown in Figure 1, the bending cycle testing machine of the present utility model includes a frame 1, a power mechanism 2 is installed on the side of the frame 1, a support seat 3 is installed on the frame 1, and a rotating bracket 4 is installed on the support seat 3 for rotation, The power end of the rotating bracket 4 is connected to the output end of the power mechanism 2, the rotating bracket 4 is equipped with several clamps 5, and the frame 1 is equipped with two support plates 6 directly below the rotating support 4, and the two support plates 6 are equipped with two waists. Type hole 7, two support plates 6 are installed with two support rollers 8 through the waist hole 7, and lock nuts 9 are installed on both ends of the two support rollers 8, and the frame 1 is installed with limited positions on both sides of the rotating bracket Mechanism 10, the frame 1 is equipped with mounting plates 11 on both sides of the rotating bracket 4, and the mounting plates 11 are equipped with in-position sensors 12;

The clamp 5 clamps the cable sample 13 , and the rear end of the cable sample 13 passing between the two supporting rollers 8 is connected with a weight 14 .

In this implementation case, when using the bending cycle testing machine, the cable sample 13 is installed vertically through the clamp, and the other end of the cable sample 13 passes between the two support rollers 8 and then connects the weight 14 , so that the cable sample 13 remains vertical, the waist-shaped hole 7 cooperates with the locking nut 9 to adjust the gap distance between the two support rollers 8, and then adapts to the installation of cable samples 13 of different sizes and specifications, multiple clamps 5 The setting of the method realizes the purpose of obtaining complete data of multiple cable samples 13 at the same time; after the cable samples 13 are installed, the power mechanism 2 is controlled to run, and the rotating bracket 4 is driven to rotate back and forth by 90°, so that the cable sample 13 is realized. The purpose of the bending test, the number of cycles and the cycle time are set by the relevant personnel according to the specific situation. The limit mechanism 10 is responsible for limiting the rotation position of the rotating bracket 4, and the setting of the in-position sensor 12 is responsible for giving the signal of the reciprocating rotation of the power mechanism 2. .

Preferably, at least six fixtures 5 are installed. This design ensures the number of simultaneous tests and improves efficiency. In fact, the number of fixtures 5 can also be considered according to specific conditions.

Preferably, the limit mechanism 10 includes a limit screw 101 threadedly connected to the upper surface of the frame 1. The limit screw 101 is threaded and matched with a nut 102. With such a design, the height of the limit screw 101 can be adjusted by turning the limit screw 101. , so as to achieve the purpose of adjusting the limit position, the nut 102 can effectively prevent the displacement of the limit screw 101 under force, in fact, the structure of the limit mechanism 10 can also be considered according to specific conditions.

Preferably, the power mechanism 2 is a high and low temperature servo motor. This design ensures that the power mechanism 2 will not be affected by the environment during use. In fact, the choice of the power mechanism 2 can also be considered according to specific conditions.

Preferably, there are four limit mechanisms 10, which are evenly distributed at the four corners on both sides of the rotary support 4, and there are four in-position sensors 12, which are evenly distributed at the four corners on both sides of the rotary support 4. In fact, the number of limit mechanisms 10 and in-position sensors 12 can also be considered according to specific conditions.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (5)

1. Bending cycle testing machine, comprising a frame (1), characterized in that: a power mechanism (2) is installed on the side of the frame (1), and a support seat (3) is installed on the frame (1), The support seat (3) is rotatably equipped with a rotating bracket (4), the power end of the rotating bracket (4) is connected to the output end of the power mechanism (2), and the rotating bracket (4) is equipped with several clamps (5 ), the frame (1) is provided with two support plates (6) directly below the rotating bracket (4), and the two support plates (6) are provided with two waist-shaped holes (7), The two support plates (6) are equipped with two support rollers (8) through the waist-shaped holes (7), and the two ends of the two support rollers (8) are matched with locking nuts (9), The frame (1) is equipped with a limit mechanism (10) on both sides of the rotating bracket (4), and the frame (1) is equipped with mounting plates (11) on both sides of the rotating bracket (4), The mounting plate (11) is equipped with an in-position sensor (12); The clamp (5) clamps a cable sample (13), and a weight (14) is connected to the rear end of the cable sample (13) passing between the two supporting rollers (8). 2. The bending cycle testing machine according to claim 1, characterized in that there are at least six fixtures (5) installed. 3. The bending cycle testing machine according to claim 2, characterized in that: the limit mechanism (10) comprises a limit screw (101) threaded on the upper surface of the frame (1), the limit screw (101) is Bit screw (101) threads are matched with nuts (102). 4. The bending cycle testing machine according to claim 3, characterized in that: the power mechanism (2) is a high and low temperature servo motor. 5. The bending cycle testing machine according to claim 4, characterized in that: there are four limit mechanisms (10), which are evenly distributed at the four corners on both sides of the rotating support (4), and the in-position sensor (12) There are four, which are evenly distributed at the four corners on both sides of the rotating bracket (4).

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