CN209945854U

CN209945854U - Winding device for high-temperature anti-cracking test of cable insulation skin

Info

Publication number: CN209945854U
Application number: CN201920822441.8U
Authority: CN
Inventors: 曾令果; 李志均; 杨周全; 李天元
Original assignee: Rich Electric Wire Co Ltd Of Chongqing
Current assignee: Rich Electric Wire Co Ltd Of Chongqing
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-01-14
Anticipated expiration: 2029-06-03

Abstract

A winding device for a high-temperature anti-cracking test of a cable insulating sheath is mainly used for solving the problems that before the high-temperature test of the insulating sheath is carried out in the prior art, the technical problem that the tensile state of different parts of the insulating skin is inconsistent and the stress is uneven when the insulating skin is tensioned to enable the insulating skin to be subjected to high-temperature resistance test in a tensile state, so that the test result is influenced, comprises a transverse base, the base is provided with a left support rod and a right support rod which are vertical respectively near the left end and the right end, an inclined rotating rod which uniformly winds the strip-shaped insulating skin along the axial direction is erected between the left support rod and the right support rod, the rotating rod is provided with a clamping component for clamping one end of the insulating skin on the rotating rod, and the rotating rod is provided with a gravity block, this gravity piece with the insulating skin other end is connected and leans on the taut this insulating skin of gravity, the utility model discloses mainly used is tensile to the winding that goes on before the high temperature resistance test of insulating skin.

Description

Winding device for high-temperature anti-cracking test of cable insulation skin

Technical Field

The utility model relates to a cable conductor material performance experiment field, concretely relates to carry out wind that high temperature anti fracture test was used to cable insulation skin.

Background

The high-temperature-resistant anti-cracking test for the cable insulation skin is an important test for detecting the use performance of the cable insulation skin, the detection index of the insulation skin directly influences the use scenes of different types of insulation skins, and the high-temperature-resistant anti-cracking test for the insulation skin can promote research on the performance of the cable insulation skin by scientific research personnel, so that the insulation skin with better high-temperature-resistant anti-cracking performance is manufactured, and the insulation skin is applied to more severe use environments.

In the prior art, most of materials used for the high-temperature-resistant anti-cracking test of the insulating skin are strip-shaped insulating skins, and the strip-shaped insulating skins need to be tensioned by certain tension before the test, so that the insulating skins are in a tensioned state.

In the prior art, when the insulation skin is tensioned, the insulation skin is generally tensioned by adopting a manual pulling mode, so that the insulation skin is in a tensioned state, but the manual pulling mode has a great disadvantage that different parts of the insulation skin cannot be in the same tensioned state, so that experimental data of a high-temperature-resistant anti-cracking test on the insulation skin are seriously influenced, and the experimental data cannot truly reflect the high-temperature-resistant anti-cracking performance of the insulation skin.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model discloses to prior art's not enough, release a winding device is used in anti fracture test of cable insulation skin high temperature, this kind of device can make the different positions of insulation skin be in the same and even tight state that rises before the experiment, consequently can detect more truly to the high temperature resistant crack resistance test of insulation skin.

Second, the concrete technical scheme

The realization principle is as follows: the utility model provides a winding device is used in anti fracture test of cable insulation skin high temperature, including horizontal base, this base is close to about both ends tip be equipped with equal vertical left branch vaulting pole, right branch vaulting pole respectively, has erect between this left branch vaulting pole, the right branch vaulting pole one with the even winding slope dwang of strip insulating skin along its axis direction, be equipped with on this dwang be used for with insulating skin one end presss from both sides the tight clamping component on this dwang, and this dwang is equipped with the gravity piece, this gravity piece with the insulating skin other end is connected and is leaned on the taut this insulating skin of gravity.

The working principle is as follows: at first, prepare need carry out high temperature test the insulating skin, pass through the one end tip of this insulating skin the clamping component presss from both sides tightly to be fixed on the dwang, with the other end of this insulating skin with the gravity piece links together, after the installation is accomplished, this moment the insulating skin be in the vertical taut state under the gravity tractive effect of gravity piece, then rotate the dwang makes this dwang use this dwang axis to rotate as the center, at this dwang pivoted in-process, the insulating skin can use clamping component is the starting point, and follows the decurrent axis direction of dwang slope evenly twines on this dwang, works as after the insulating skin winding is accomplished, will at last the utility model discloses together with the insulating skin puts into the test equipment that carries out high temperature test to this insulating skin.

The utility model discloses simple structure, the improvement cost of structure is lower relatively, and can with insulating skin twines uniformly on the dwang, consequently this insulating skin is unanimous at the harmomegathus degree that each position produced in whole winding process, consequently can more accurately test out the performance of insulating skin, the suitability is strong, convenient operation.

Preferably, the method comprises the following steps: the clamping assembly slides along the direction of the axis of the rotating rod and is locked again relative to the rotating rod after sliding. In many times of test experiments, many the condition that length is different can appear in insulating skin length, and is longer relatively appearing during the insulating skin, in order to be longer insulating skin twines as far as possible smoothly on the dwang, just can adjust this moment clamping component is in position on the dwang makes this clamping component's position be close to as far as possible the higher one end tip of dwang just can satisfy at this moment with certain length within range insulating skin twines on the dwang to satisfy to certain length within range different length the test needs of insulating skin.

Preferably, the method comprises the following steps: clamping component is including threaded rod, compact heap, butterfly nut and first locking bolt, the threaded rod is worn to establish on the dwang, this threaded rod one end is opened along the axis direction has the internal thread hole, this internal thread hole threaded connection have the inner with the dwang butt first locking bolt, the threaded rod other end is equipped with threaded connection in proper order from outside to inside on the threaded rod butterfly nut, cover are established on the threaded rod the compact heap, the butterfly nut with the compact heap butt.

When the clamping component needs to be moved, the first locking bolt is only required to be screwed out, the threaded rod is moved to a specified position at the moment, then the first locking bolt is screwed in again, so that the inner end of the first locking bolt is abutted to the rotating rod, when one end of the insulating skin is clamped, the butterfly nut needs to be screwed out, the pressing sheet is simultaneously shifted towards the direction of the butterfly nut, a certain gap is generated between the pressing sheet and the rotating rod, one end of the insulating skin is clamped in the gap between the pressing sheet and the rotating rod, then the butterfly nut is screwed in again, and finally the butterfly nut is abutted against the pressing sheet, this pressing blade will insulating skin presss from both sides tightly on the dwang, this kind of clamping mode can press from both sides tightly in certain thickness range insulating skin has enlarged the utility model discloses an application scope.

Preferably, the method comprises the following steps: the lower end of the rotating rod moves in the up-and-down direction, and the end is positioned and rotated at the moved position. This kind of setting mode can be adjusted the inclination of dwang, works as the inclination of dwang is different, then insulating skin winding is in density degree on the dwang is different, consequently can satisfy equally in certain length range insulating skin twines, adopts different slope degree in addition the same root of dwang winding during insulating skin, then this insulating skin is in winding density degree is different on the dwang, consequently can be to same root insulating skin carries out the high temperature performance test under the multiple winding state, fully excavates the high temperature resistance ability of insulating skin.

Preferably, the method comprises the following steps: the dwang height in the left right side is low, right branch vaulting pole is including vertical slide adjusting pole, vertical dead lever, should adjust the pole and tightly lean on the dead lever left side, should adjust the pole and be close to the top and open and have a circular chamber, and this circular intracavity is spacing to have a rolling ball, this rolling ball with dwang right-hand member fixed connection, it has the bar hole to open along the axial on the regulation pole, at least one second locking bolt is worn to be equipped with in the bar hole, this second locking bolt threaded connection be in the connecting thread hole on the dead lever.

This kind of setting mode, can be fast right the inclination of dwang is adjusted, and it is right to be favorable to improving the regulation efficiency of dwang.

The utility model has the advantages that:

1. set up left branch vaulting pole, right branch vaulting pole, dwang, clamping component and the gravity piece, can satisfy with insulating skin along the decurrent axis direction of dwang slope twines uniformly, can make the different positions of insulating skin all are in the same harmomegathus state, consequently are favorable to testing more accurately the high temperature resistance of insulating skin has improved right the accuracy that high temperature test result was carried out to insulating skin.

2. The clamping assembly can move and adjust along the axial direction of the rotating rod, and the arrangement mode can meet the requirement of winding the insulating skin within a certain length range; and set up compact heap, threaded rod and first locking bolt, through the adjustment compact heap with the size in clearance between the dwang just can satisfy to certain thickness within range the insulating skin presss from both sides tight operation, has consequently further improved the utility model discloses an application scope.

3. The utility model discloses simple structure, convenient operation can make each position of insulating skin reaches the same harmomegathus state before carrying out the high temperature test, consequently can improve right the accuracy that insulating skin carries out high temperature resistant test data, the suitability is strong, is fit for promoting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at B in FIG. 1;

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

fig. 4 is an enlarged schematic view of the structure of the left support rod, the adjusting rod and the fixing rod.

Description of reference numerals: a insulating skin, 1 base, 2 left support rods, 3 right support rods, 31 adjusting rods, 32 fixing rods, 4 rotating rods, 5 clamping components, 51 threaded rods, 52 pressing pieces, 53 butterfly nuts, 54 first locking bolts, 6 gravity blocks, 7 circular cavities, 8 rotating balls, 9 strip-shaped holes, 10 second locking bolts, 11 connecting threaded holes, 12 handles, 13U-shaped grooves and 14 diagonal support rods.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 4: the utility model provides a winding device is used in anti fracture test of cable insulation skin high temperature, comprises dwang 4 of base 1, left branch vaulting pole 2, right branch vaulting pole 3 and slope, base 1 transversely sets up, and this base 1 is close to about both ends tip be equipped with equal vertically respectively left branch vaulting pole 2, right branch vaulting pole 3, 2 lower parts of left branch vaulting pole with fixedly connected with diagonal brace 14 between the base 1, 3 lower parts of right branch vaulting pole with same fixedly connected with between the base diagonal brace 14, it evenly twines the insulating leather a of banding along its axis direction to erect one between left branch vaulting pole 2, the right branch vaulting pole 3, this 4 left end fixedly connected with of dwang are used for this 4 pivoted handles 12 of dwang, 2 top divisions of left branch vaulting pole have U-shaped groove 13, and this dwang 4 is located in this U-shaped groove. Be equipped with on this dwang 4 and be used for with insulating leather a one end presss from both sides tight clamping component 5 on this dwang 4, as shown in fig. 1 and fig. 2, this clamping component 5 is including threaded rod 51, clamping piece 52, butterfly nut 53 and first lock bolt 54, threaded rod 51 wears to establish on the dwang 4, this threaded rod 51 one end is opened along the axis direction has the internal thread hole, this internal thread hole threaded connection have inner with the dwang 4 butt first lock bolt 54, the threaded rod 51 other end is equipped with threaded connection from outside to inside in proper order on the threaded rod 51 butterfly nut 53, cover are established on the threaded rod 51 the clamping piece 52, butterfly nut 53 with the clamping piece 52 butt. The rotating rod 4 is high in the left and low in the right, the right support rod 3 comprises a vertical sliding adjusting rod 31 and a vertical fixing rod 32, the adjusting rod 31 abuts against the left side of the fixing rod 32, as shown in fig. 1 and 3, a circular cavity 7 is formed near the top of the adjusting rod 31, a rotating ball 8 is limited in the circular cavity 7, the rotating ball 8 is fixedly connected with the right end of the rotating rod 4, a strip-shaped hole 9 is formed in the adjusting rod 31 along the axial direction, at least one second locking bolt 10 penetrates through the strip-shaped hole 9, and the second locking bolt 10 is in threaded connection with a connecting threaded hole 11 in the fixing rod 32. The rotating rod 4 is provided with a gravity block 6, and the gravity block 6 is connected with the other end of the insulating leather a and tensions the insulating leather a by gravity.

The working principle is as follows: before the test, firstly, the inclination angle of the rotating rod 4 is adjusted, specifically: two in the bar hole 9 are unscrewed second locking bolt 10 makes two second locking bolt 10 follows two respectively screw out in the connecting thread hole 11, later reciprocates adjust pole 31, makes dwang 4 is in suitable inclination, at last again with two second locking bolt 10 precession is even two in the connecting thread hole 11, the completion after adjusting this moment adjust the locking of pole 31.

Then the position of the clamping assembly 5 on the swivelling levers 4 is adjusted, in particular: the first lock bolt 54 is unscrewed to move the threaded rod 51 on the rotating lever 4, and after the threaded rod is moved to an appropriate position, the first lock bolt 54 is again screwed in, and the inner end of the first lock bolt 54 is firmly abutted against the rotating lever 4.

And finally, installing the insulating skin a, specifically comprising: the butterfly nut 53 is unscrewed, the pressing piece 52 is shifted towards the butterfly nut 53, one end of the insulation skin a is clamped in a gap between the pressing piece 52 and the rotating rod 4, the butterfly nut 53 is screwed in again, the pressing piece 52 is pressed by the butterfly nut 53, the insulation skin a is pressed on the rotating rod 4 by the pressing piece 52, the other end of the insulation skin a is connected with the gravity block 6, the insulation skin a after installation is in a vertical state under the gravity pull of the gravity block 6, then the handle 12 is shaken, the insulation skin a can be uniformly wound along the axial direction of the rotating rod 4, and then the insulation skin a after winding is put into test equipment together with the utility model.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. The utility model provides a winding device is used in anti fracture test of cable insulation skin high temperature which characterized in that: including horizontal base (1), this base (1) is close to about both ends tip be equipped with equal vertical left branch vaulting pole (2), right branch vaulting pole (3) respectively, has erect between this left branch vaulting pole (2), right branch vaulting pole (3) one with insulating skin (a) of strip form along its even winding slope dwang (4) of axis direction, be equipped with on this dwang (4) be used for with clamping component (5) on this dwang (4) are pressed from both sides to insulating skin (a) one end, and this dwang (4) are equipped with gravity piece (6), this gravity piece (6) with insulating skin (a) other end is connected and leans on the taut insulating skin (a) of gravity.

2. The winding device for the high-temperature anti-cracking test of the cable insulation sheath according to claim 1, wherein: the clamping component (5) slides along the axial direction of the rotating rod (4), and is locked relative to the rotating rod (4) after sliding.

3. The winding device for the high-temperature anti-cracking test of the cable insulation sheath as claimed in claim 2, wherein: clamping component (5) are including threaded rod (51), clamping piece (52), butterfly nut (53) and first lock bolt (54), threaded rod (51) are worn to establish on dwang (4), and this threaded rod (51) one end is opened along the axis direction has the internal thread hole, this internal thread hole threaded connection have inner with dwang (4) butt first lock bolt (54), threaded rod (51) other end is equipped with threaded connection in proper order from outer to interior on threaded rod (51) butterfly nut (53), cover are established on threaded rod (51) clamping piece (52), butterfly nut (53) with clamping piece (52) butt.

4. The winding device for the high-temperature anti-cracking test of the cable insulation sheath according to claim 1, 2 or 3, wherein: the lower end of the rotating rod (4) moves along the up-down direction, and the end is positioned and rotated at the moved position.

5. The winding device for the cable insulation sheath high-temperature anti-cracking test according to claim 4, wherein: dwang (4) high right side is low, right branch vaulting pole (3) are including vertical slide adjusting pole (31), vertical dead lever (32), should adjust pole (31) and near dead lever (32) left side, should adjust pole (31) and be close to the top and open and have a circular chamber (7), and spacing has a rolling ball (8) in this circular chamber (7), this rolling ball (8) with dwang (4) right-hand member fixed connection, it has bar hole (9) to open along the axial on adjusting pole (31), wear to be equipped with at least one second locking bolt (10) in bar hole (9), this second locking bolt (10) threaded connection be in connecting thread hole (11) on dead lever (32).