CN218766430U

CN218766430U - Single-core cable torsion testing machine

Info

Publication number: CN218766430U
Application number: CN202222417908.5U
Authority: CN
Inventors: 王贵林; 李缙元; 张鑫桐
Original assignee: Changchun Fusheng Automobile Technology Research And Development Co ltd
Current assignee: Changchun Fusheng Automobile Technology Research And Development Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-03-28
Anticipated expiration: 2032-09-13

Abstract

The utility model belongs to the technical field of the cable capability test, a single core cable torsion testing machine is disclosed, which comprises a base, the whole L shape that is of base, the support is installed to the base, static cable anchor clamps are installed perpendicularly to the support, the pedestal mounting has the bearing frame, the pedestal mounting output is arranged in step motor in the bearing frame, the step motor output is connected with rotary mechanism, rotary mechanism installs dynamic cable anchor clamps, the installation piece is installed to the base, the sensor that targets in place is installed to the installation piece, the utility model discloses can satisfy and drive sample spare and control 180 and buckle, still can set for the bending cycle number of times, reach and twist reverse the test to the cable, acquire the purpose of data.

Description

Single-core cable torsion testing machine

Technical Field

The utility model belongs to the technical field of the cable capability test, concretely relates to single core cable torsion testing machine.

Background

Different parts of many mechanical structures are connected through various cables to achieve the purposes of energy supply or signal transmission, and the structures often have relative motion, besides the repeated drag chain motion, the structures also can comprise twisting or twisting of the cables, and in the repeated twisting process, the fatigue of the cables is accelerated to generate fracture and damage, so that the service life of the cables is influenced.

Therefore, it is necessary to test the torsion resistance of the cable, and it is desirable to provide an economical, easy to maintain and operate, automated testing machine to meet the needs.

SUMMERY OF THE UTILITY MODEL

To the problem that the above-mentioned background art provided, the utility model aims at: the aim is to provide a single-core cable torsion testing machine.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

the single-core cable torsion testing machine comprises a base, wherein the base is L-shaped as a whole, a support is installed on the base, a static cable clamp is vertically installed on the support, a bearing seat is installed on the base, the base is provided with a stepping motor of which the output end is arranged in the bearing seat, the output end of the stepping motor is connected with a rotating mechanism, the rotating mechanism is provided with a dynamic cable clamp, an installation block is installed on the base, and an in-place sensor is installed on the installation block;

the static cable clamp comprises a base plate, a clamping plate is installed on the base plate in a matching mode, and a first clamping screw penetrating through the clamping plate is connected to the base plate in a threaded mode;

the dynamic cable clamp comprises a tension spring with one end installed on the rotating mechanism, the other end of the tension spring is connected with a clamping cylinder, the clamping cylinder is provided with two threaded holes, and the threaded holes are in threaded connection with second clamping screws.

Further inject, the base is installed and is covered the protection casing in the step motor outside, such design carries out dustproof crashproof protection to step motor and cover at the inside device of protection casing.

Further define, display screen and a plurality of button are installed to the base, and such design is convenient for set the operation.

Further define, step motor installs the shaft coupling, and such design plays the overload protection effect to step motor.

Further inject, rotary mechanism includes first piece, first piece perpendicular connection has the installation the second piece of developments cable anchor clamps, the second piece with the base plate is parallel, and such design guarantees that when rotatory, the cable can not break away from the static cable anchor clamps outside.

Adopt the beneficial effects of the utility model:

1. the utility model can drive the sample piece to bend for 180 degrees left and right, and can set the bending cycle times, so as to achieve the purpose of performing torsion test on the cable and acquiring data;

2. the utility model has reasonable and clear structure, easy production and manufacture, easy maintenance, simple operation and good use effect;

3. the utility model discloses a change static cable anchor clamps and developments cable anchor clamps and just can adapt the centre gripping of the cable of different dimensions, and then the test of the cable of the different specification and dimension of adaptation, the suitability is good, and the practicality is strong.

Drawings

The invention can be further illustrated by means of non-limiting examples given in the figures;

FIG. 1 is a schematic structural view of a single-core cable torsion testing machine according to an embodiment of the present invention without a protective cover;

fig. 2 is a schematic structural view of the single-core cable torsion testing machine according to the embodiment of the present invention, in which a protective cover is installed;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

the main element symbols are as follows:

a base 1; a support 2; a static cable clamp 3; a substrate 31; a clamping plate 32; a first clamping screw 33; a bearing seat 4; a stepping motor 5; a rotating mechanism 6; a first leg piece 61; a second branch block 62; a dynamic cable clamp 7; a tension spring 71; a grip cylinder 72; a threaded hole 73; a mounting block 8; a position sensor 9; a shield 10; a display screen 11; a button 12; and a coupling 13.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-3, the utility model discloses a single core cable torsion testing machine, including base 1, base 1 is whole to be L shape, and base 1 installs support 2, and support 2 installs static cable clamp 3 perpendicularly, and base 1 installs bearing frame 4, and base 1 installs the step motor 5 that the output was arranged in bearing frame 4, and step motor 5 output is connected with rotary mechanism 6, and rotary mechanism 6 installs dynamic cable clamp 7, and base 1 installs installation piece 8, and installation piece 8 installs sensor 9 that targets in place;

the static cable clamp 3 comprises a base plate 31, a clamping plate 32 is arranged on the base plate 31 in a matching mode, and a first clamping screw 33 penetrating through the clamping plate 32 is connected to the base plate 31 in a threaded mode;

the dynamic cable clamp 7 comprises a tension spring 71 with one end mounted on the rotating mechanism 6, the other end of the tension spring 71 is connected with a clamping cylinder 72, the clamping cylinder 72 is provided with two threaded holes 73, and the threaded holes 73 are in threaded connection with second clamping screws.

In the embodiment, when the single-core cable torsion testing machine is used, two options are available for clamping the cable, one option is to directly clamp the cable by using the static cable clamp 3, and then the length change of the cable during rotation is met by the telescopic performance of the tension spring 71, the clamping mode is suitable for the test of few turns or positive and negative rotation of the cable, and the tensile strength of the cable can be detected to a certain extent after the tension spring 71 is completely stretched; the other is that the static cable clamp 3 does not completely clamp the cable and only plays a role in limiting the cable, so that the cable can be supplied all the time when the cable rotates;

clamping one end of a cable to be tested on the dynamic cable clamp 7, and ensuring that the cable between the static cable clamp 3 and the dynamic cable clamp 7 is in a completely vertically stretched state after the other end of the cable penetrates through the static cable clamp 3; the stepping motor 5 is controlled to rotate to drive the rotating mechanism 6 to rotate, so that the cable can be continuously wound on the static cable clamp 3, various data of the cable in torsion can be obtained by setting the number of rotation turns of the stepping motor 5, the tension spring 71 meets the length change of the cable in rotation, and the data of the cable in repeated torsion can be obtained by controlling the stepping motor 5 to rotate forwards and backwards, for example, the cable rotates forwards for 5 turns and then reversely for 10 turns, and the cable rotates forwards and reversely for 10 turns, so that the cable can rotate forwards and reversely for 10 turns, and a person in the relevant field can easily understand that the in-place sensor 9 can effectively detect the number of rotation turns;

most directly, the stepping motor can be directly controlled to rotate forward and backward for 180 degrees, so that the torsion resistance effect of a single point of the cable can be tested.

The base 1 is preferably provided with a protective cover 10 covering the stepping motor 5, and this design can protect the stepping motor 5 and the devices covered inside the protective cover 10 from dust and impact, and in fact, the protective measures can be taken into consideration according to specific situations.

The base 1 is preferably provided with a display 11 and a plurality of buttons 12, which are designed to facilitate the setting operation, and in fact, the measures for facilitating the setting operation can be taken into consideration according to the specific situation.

The stepping motor 5 is preferably provided with a coupling 13, and the design plays a role in overload protection of the stepping motor, and actually, the selection of the coupling 13 can be considered according to specific conditions.

Preferably, the rotating mechanism 6 comprises a first support 61, the first support 61 is vertically connected with a second support 62 for installing the dynamic cable clamp 7, and the second support 62 is parallel to the substrate 31, so as to ensure that the cable does not break away from the outer side of the static cable clamp 3 during rotation, and actually, the structure of the rotating mechanism 6 can be considered according to specific situations.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. Single core cable torsion testing machine, including base (1), its characterized in that: the base (1) is integrally L-shaped, a support (2) is installed on the base (1), a static cable clamp (3) is vertically installed on the support (2), a bearing seat (4) is installed on the base (1), a stepping motor (5) with an output end arranged in the bearing seat (4) is installed on the base (1), the output end of the stepping motor (5) is connected with a rotating mechanism (6), a dynamic cable clamp (7) is installed on the rotating mechanism (6), an installation block (8) is installed on the base (1), and an in-place sensor (9) is installed on the installation block (8);

the static cable clamp (3) comprises a base plate (31), a clamping plate (32) is installed on the base plate (31) in a matching mode, and a first clamping screw (33) penetrating through the clamping plate (32) is connected to the base plate (31) in a threaded mode;

dynamic cable anchor clamps (7) include that one end is installed extension spring (71) on rotary mechanism (6), extension spring (71) other end is connected with a centre gripping section of thick bamboo (72), a centre gripping section of thick bamboo (72) are equipped with two screw hole (73), screw hole (73) threaded connection has the second clamping screw.

2. The single core cable torsion tester of claim 1, wherein: the base (1) is provided with a protective cover (10) covering the outer side of the stepping motor (5).

3. The single core cable torsion tester of claim 2, wherein: the base (1) is provided with a display screen (11) and a plurality of buttons (12).

4. The single core cable torsion tester of claim 3, wherein: and the step motor (5) is provided with a coupler (13).

5. The single core cable torsion tester of claim 4, wherein: the rotating mechanism (6) comprises a first supporting block (61), a second supporting block (62) for installing the dynamic cable clamp (7) is vertically connected to the first supporting block (61), and the second supporting block (62) is parallel to the substrate (31).