CN214309925U

CN214309925U - Tensile test device of twisted pair

Info

Publication number: CN214309925U
Application number: CN202023242956.2U
Authority: CN
Inventors: 朱磊; 喻莉; 黄江辉; 张凌志
Original assignee: Anhui Xinwanneng Testing Co ltd
Current assignee: Anhui Xinwanneng Testing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-28
Anticipated expiration: 2030-12-29

Abstract

A tensile testing apparatus for twisted pairs, comprising: the device comprises a horizontal plate, spools, an adjusting assembly and a stretching assembly, wherein the spools are symmetrically and longitudinally arranged at one end of the horizontal plate, wire bodies are wound on the spools, the wire bodies are led into the adjusting assembly through a guide pipe adjacent to one side of each spool, the adjusting assembly longitudinally slides along a sliding groove located in the middle of the horizontal plate, the stretching assembly is transversely arranged at the other end of the horizontal plate, and the adjusting assembly and the stretching assembly are arranged just opposite to each other. The wire bodies on the spool which are symmetrically arranged are wound according to different densities to form a certain twisted pair structure by setting the operating parameters of the adjusting assembly, so that a machine replaces a manual twisted pair winding mode, and an accurate twisted pair tensile strength test result is obtained.

Description

Tensile test device of twisted pair

Technical Field

The utility model relates to a mechanics check out test set technical field, concretely relates to tensile test device of paired line.

Background

In order to research the structure and tensile property of the twisted pair, manual operation is often adopted, the stranded wire body is wound into a certain winding density structure according to the feeling, and then the stranded wire body is placed into a standard tensile tester for tensile test, so that when the twisted pair is read for test, the work of manually winding the twisted pair structure by one step is needed, and because the manual operation cannot accurately obtain the parameters such as the winding density of the twisted pair, and the twisted pair obtained by manual winding is not uniform, the measured tensile strength result cannot accurately reflect the tensile strength in the winding state. Therefore, it is necessary to design a tensile testing apparatus for twisted pairs, which is further improved based on the original tensile fixture, and uses a machine to replace manual winding of twisted pairs, so as to obtain accurate tensile strength testing results of the twisted pairs.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a tensile test device of paired line, when the overheat phenomenon appears in the insulation resistance tester, can solve the problem that reduces the heat in order to avoid causing the damage to equipment.

The utility model discloses a realize through following technical scheme:

a tensile testing apparatus for twisted pairs, comprising: the device comprises a horizontal plate, spools, an adjusting assembly and a stretching assembly, wherein the spools are symmetrically and longitudinally arranged at one end of the horizontal plate, wire bodies are wound on the spools, the wire bodies are led into the adjusting assembly through a guide pipe adjacent to one side of each spool, the adjusting assembly longitudinally slides along a sliding groove located in the middle of the horizontal plate, the stretching assembly is transversely arranged at the other end of the horizontal plate, and the adjusting assembly and the stretching assembly are arranged just opposite to each other.

Preferably, the adjusting assembly comprises a speed reduction motor, a rotating wheel and a second servo electric cylinder, wherein wire fixing devices are symmetrically arranged on the rotating wheel relative to one side of the spool, the end portion of the wire body is fixed by the wire fixing devices, the other side of the rotating wheel is connected to a sliding block through a rotating wheel frame, the sliding block slides in a sliding groove, one end of the speed reduction motor is fixed to the sliding block, one end of a speed reduction motor shaft is axially sleeved on the rotating wheel frame, a connecting plate is arranged on one side arm of the sliding block, a telescopic arm of the second servo electric cylinder is connected to the connecting plate, and the second servo electric cylinder is fixed on the horizontal plate.

Preferably, the stretching assembly comprises a first servo electric cylinder, a first clamp and a second clamp, the other end on the horizontal plate is transversely provided with a supporting plate, the supporting plate is longitudinally provided with the first servo electric cylinder in a symmetrical mode, a pressure sensor is arranged between the first servo electric cylinder and the supporting plate, a telescopic arm of the first servo electric cylinder is connected to the transverse support, a through hole is formed in the middle of the transverse support, the second clamp is arranged on the transverse support and is respectively arranged on two sides of the through hole, the first clamp is arranged in the middle of the supporting plate and is forward to the through hole, and the through hole is forward to the sliding groove.

Preferably, the rotating speed of the speed reduction motor is controlled while the telescopic arm of the first servo electric cylinder is uniformly extended, so that the motor shaft of the speed reduction motor drives the rotating wheel to rotate, twisted pairs with different winding densities are obtained, at the moment, the first servo electric cylinder and the speed reduction motor stop working, the wire fixing device is unfastened, the end part of the taken-down twisted pair penetrates through the through hole, a part of the twisted pair is cut, and two ends of the part are respectively clamped by the first clamp and the second clamp.

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

the utility model discloses in, through setting up adjusting part's operating parameter, twine the line body on the spool that sets up the symmetry according to different density and form certain twisted pair structure to replace artifical twisted pair with the machine, in order to obtain accurate twisted pair tensile strength test result.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of a tensile testing apparatus for twisted pairs according to the present invention;

fig. 2 is an enlarged view (adjustment assembly) of fig. 1 at a according to the present invention;

fig. 3 is a side view of the adjustment assembly of the present invention;

fig. 4 is a schematic structural view of the runner of the present invention installed on the runner frame.

The device comprises a mounting plate 1, a spool 2, a wire 3, a guide pipe 4, a chute 5, a transverse support 6, a first clamp 7, a second clamp 8, a supporting plate 9, a pressure sensor 10, a first servo electric cylinder 11, a through hole 12, a sliding block 13, a speed reducing motor 14, a rotating wheel frame 15, a rotating wheel 16, a connecting plate 17, a second servo electric cylinder 18 and a wire fixing device 19.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-4, a tensile testing apparatus for twisted pairs, comprising: the device comprises a horizontal plate 1, spools 2, an adjusting component and a stretching component, wherein the spools 2 are symmetrically and longitudinally arranged at one end of the horizontal plate 1, wire bodies 3 are wound on the spools 2, the wire bodies 3 are led into the adjusting component through guide pipes 4 adjacent to one sides of the spools 2, the adjusting component longitudinally slides along a sliding groove 5 located in the middle of the horizontal plate 1, the stretching component is transversely arranged at the other end of the horizontal plate 1, and the adjusting component and the stretching component are arranged right opposite to each other.

The wire bodies on the symmetrically arranged I-shaped wheels are wound according to different densities to form a certain twisted pair structure by setting the operating parameters of the adjusting assembly, so that a machine replaces manual twisted pairs to wind the twisted pairs, and an accurate testing result of the tensile strength of the twisted pairs is obtained. Referring to fig. 2 and fig. 3, as the utility model discloses an embodiment, wherein, the adjusting part includes gear motor 14, runner 16 and second servo electric cylinder 18, runner 16 is equipped with solidus ware 19 for the one side symmetry of I-shaped wheel 2, the tip of line body 3 all fixes with solidus ware 19, runner 16's opposite side passes through runner frame 15 and connects on slider 13, slider 13 slides in spout 5, gear motor 14's one end is fixed in on slider 13, runner frame 15 is located to its gear motor axle one end axial cover, one side arm of slider 13 is equipped with connecting plate 17, the flexible arm of second servo electric cylinder 18 is connected in connecting plate 17, second servo electric cylinder 18 is fixed in on horizontal plate 1.

Simplify the special tensile mode that has now, become to promote the action of keeping away from between the anchor clamps by two servo electric jar and come the broken string, servo electric jar's flexible arm action is more steady, does benefit to and obtains accurate test data. As another embodiment of the utility model, wherein, the tensile subassembly includes first servo electric jar 11, first anchor clamps 7 and second anchor clamps 8, the other end on the horizontal plate 1 transversely is equipped with layer board 9, the symmetry vertically is equipped with first servo electric jar 11 on the layer board 9, be equipped with pressure sensor 10 between first servo electric jar 11 and the layer board 9, the telescopic arm of first servo electric jar 11 is connected in lateral frame 6, the centre of lateral frame 6 has through-hole 12, second anchor clamps 8 are located on lateral frame 6 and are divided the both sides of locating through-hole 12, the middle part of layer board 9 and be directed at through-hole 12 are located to first anchor clamps 7, through-hole 12 is directed at spout 5.

With the above embodiments, we can find that the following adjustment measures are taken to obtain different twisted pair winding configurations:

the rotating speed of the speed reducing motor 14 is controlled while the telescopic arm of the first servo electric cylinder 11 is uniformly extended, the rotating speed can be preset and can be in one-to-one correspondence with data, a motor shaft of the motor shaft drives the rotating wheel 16 to rotate, twisted pairs with different winding densities are obtained, at the moment, the first servo electric cylinder 11 and the speed reducing motor 14 stop working, the wire fixing device 19 is unfastened, the end part of the taken-down twisted pair penetrates through the through hole 12, a part of the twisted pair is cut off, and two ends of the part are respectively clamped by the first clamp 7 and the second clamp 8.

The utility model discloses a theory of operation does:

firstly, the wire bodies 3 on the spool 2 respectively penetrate through the guide tubes 4, and the end parts of the wire bodies are respectively fixed by using wire fixing devices 19; then, an external power supply is turned on, the initial positions of the first servo electric cylinder 11 and the sliding block 13 connected with the first servo electric cylinder are located on one side, close to the spool 2, of the sliding chute 5, and the rotating speed of the speed reducing motor 14 is controlled while the telescopic arm of the first servo electric cylinder 11 is uniformly extended, so that the motor shaft of the speed reducing motor drives the rotating wheel 16 to rotate, and a twisted pair with preset winding density is obtained; at this time, the first servo electric cylinder 11 and the speed reducing motor 14 stop working, the wire fixing device 19 is untied, the end part of the taken-down twisted pair passes through the through hole 12, a part of the twisted pair is cut, two ends of the part are respectively clamped by the first clamp 7 and the second clamp 8, then the servo electric cylinder 11 is opened, the transverse support 6 connected with the servo electric cylinder is pushed, correspondingly, the clamps between the transverse support 6 and the supporting plate 9 are far away from each other until the twisted pair is broken, at this time, the pressure sensor 10 positioned between the first servo electric cylinder 11 and the supporting plate 9 records data instantly, and finally, the tensile strength test of the twisted pair in the winding state is completed. By utilizing the principle, the rotating speed of the speed reducing motor 14 is controlled, and under the condition of obtaining twisted pairs with different winding densities, a plurality of groups of data are obtained, so that data comparison is provided for tests.

To sum up, the utility model discloses a basic flow of work can be summarized to stranded single line input, adjust winding method, twisted pair output and the tensile strength test of twisted pair. It is worth mentioning, the utility model discloses also can be used to study conjugated double-strand's structure and tensile properties's technical field, for example, use cotton yarn and polyester filament to make conjugated double-strand and twist it, scanning and tensile test respectively.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A tensile test device of a twisted pair is characterized in that: the method comprises the following steps: the device comprises a horizontal plate (1), spools (2), an adjusting assembly and a stretching assembly, wherein the spools (2) are symmetrically and longitudinally arranged at one end of the horizontal plate (1), wire bodies (3) are wound on the spools (2), the wire bodies (3) are introduced into the adjusting assembly through guide pipes (4) adjacent to one sides of the spools (2), the adjusting assembly longitudinally slides along sliding grooves (5) located at the middle position of the horizontal plate (1), the stretching assembly is transversely arranged at the other end of the horizontal plate (1), and the adjusting assembly and the stretching assembly are arranged right opposite to each other.

2. The apparatus for tensile testing of a twisted pair cable according to claim 1, wherein: the adjusting assembly comprises a speed reducing motor (14), a rotating wheel (16) and a second servo electric cylinder (18), wherein the rotating wheel (16) is symmetrically provided with a wire fixing device (19) relative to one side of the spool (2), the end part of the wire body (3) is fixed by the wire fixing device (19), the other side of the rotating wheel (16) is connected to a sliding block (13) through a rotating wheel frame (15), the sliding block (13) slides in a sliding groove (5), one end of the speed reducing motor (14) is fixed to the sliding block (13), one end of a speed reducing motor shaft is axially sleeved on the rotating wheel frame (15), one side arm of the sliding block (13) is provided with a connecting plate (17), a telescopic arm of the second servo electric cylinder (18) is connected to the connecting plate (17), and the second servo electric cylinder (18) is fixed to the horizontal plate (1).

3. The apparatus for tensile testing of a twisted pair cable according to claim 2, wherein: the stretching assembly comprises a first servo electric cylinder (11), a first clamp (7) and a second clamp (8), a support plate (9) is transversely arranged at the other end of the horizontal plate (1), the support plate (9) is symmetrically and longitudinally provided with the first servo electric cylinder (11), a pressure sensor (10) is arranged between the first servo electric cylinder (11) and the support plate (9), a telescopic arm of the first servo electric cylinder (11) is connected to the transverse support (6), a through hole (12) is formed in the middle of the transverse support (6), the second clamp (8) is arranged on the transverse support (6) and is respectively arranged on two sides of the through hole (12), the first clamp (7) is arranged in the middle of the support plate (9) and is arranged in the forward direction of the through hole (12), and the through hole (12) is arranged in the forward direction of the sliding groove (5).

4. The apparatus for tensile testing of a twisted pair cable according to claim 3, wherein: the method comprises the steps that when the telescopic arm of the first servo electric cylinder (11) extends uniformly, the rotating speed of the speed reducing motor (14) is controlled, the motor shaft of the speed reducing motor drives the rotating wheel (16) to rotate, twisted pairs with different winding densities are obtained, at the moment, the first servo electric cylinder (11) and the speed reducing motor (14) stop working, the wire fixing device (19) is unfastened, the end portion of the taken-down twisted pair penetrates through the through hole (12), one portion of the twisted pair is cut, and the two ends of the portion are clamped by the first clamp (7) and the second clamp (8) respectively.