CN218767026U

CN218767026U - Automatic tensioning device for detecting direct current resistance of electric wire and cable

Info

Publication number: CN218767026U
Application number: CN202222685139.7U
Authority: CN
Inventors: 方振邦; 骆星智; 杨涛; 缪春辉; 张洁; 陈国宏; 赵骞; 杨孝志; 李庆; 滕越
Original assignee: Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd; State Grid Anhui Electric Power Co Ltd
Current assignee: Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd; State Grid Anhui Electric Power Co Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-28
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses an automatic take-up device for wire and cable direct current resistance detects relates to resistance test equipment technical field, and including operation platform, operation platform's two sets of symmetrical supporting legs of bottom surface fixedly connected with, operation platform's upper surface is provided with two symmetrical moving mechanism, and moving mechanism includes two first spouts and component groove and removal case, and the upper surface of removal case is provided with fixture. It can be through the effect that sets up moving mechanism, can drag the electric wire through machinery, avoid producing the manual unstability of flare-outing of manual work and cause the state that partial wire and cable do not flare-outing, influence resistance test's result, through the effect that sets up fixture, can carry out the centre gripping to not unidimensional wire and cable and fix, need not to change fixed equipment when testing unidimensional electric wire and reduce efficiency of software testing, the practicality that the realization is used for the automatic take-up device that wire and cable direct current resistance detected.

Description

Automatic tensioning device for detecting direct current resistance of electric wire and cable

Technical Field

The utility model relates to a resistance test equipment technical field specifically is an automatic take-up device for wire and cable direct current resistance detects.

Background

The fast DC resistance tester is a high precision upgrading product to replace DC single and double arm bridge. The DC resistance quick tester adopts advanced switching power supply technology, and the measurement result is displayed by a dot-matrix liquid crystal. The defect that the value displayed by an LED of other similar products is inconvenient to read in the sun is overcome, and the automatic arc extinction function is achieved. The direct current resistance test of the transformer winding is an indispensable test project after the transformer is handed over, overhauled and changed with a tap switch.

At present, when an existing direct current resistance tester works, wires and cables need to be fixed, however, the fixation of the wires is usually fixed in size, a fixing support needs to be replaced when the wires with different sizes are tested, a large amount of time is wasted in the operation, the wires need to be straightened during the test, and the test can be carried out only by manually pulling the wires, so that a part of the wires and cables cannot be straightened due to unstable manual straightening during the detection; to this end, we provide an automatic tension device for detecting the direct current resistance of a wire and a cable to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic tensioning device for detecting the direct current resistance of a wire and a cable in order to make up the defects of the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic straining device for electric wire and cable direct current resistance detects, includes operation platform, operation platform's two sets of symmetrical supporting legs of bottom surface fixedly connected with, operation platform's upper surface is provided with two symmetrical moving mechanism, moving mechanism includes two first spouts and component groove and removal case, the upper surface of removal case is provided with fixture, operation platform's last surface mounting has the tester main part, the surface of tester main part is equipped with control panel, the surface of tester main part is equipped with the display screen, operation platform's last fixed surface is connected with the printer.

Further, two the upper surface of operation platform is all seted up to the inner wall of first spout, the upper surface of operation platform is seted up to the inner wall in subassembly groove, the quad slit has been seted up to the bottom surface of removal case.

Further, two the equal sliding connection of inner wall of first spout has first slider, two the surface fixed connection of first slider is in the bottom surface of removal case, the rodent of the inner wall fixedly connected with equidistance range in subassembly groove.

Further, the inner wall of removal case rotates and is connected with the pivot, the fixed surface of pivot is connected with the gear, the fixed surface of removal case is connected with the rotation motor, the output that rotates the motor runs through the surface that extends to the pivot in the removal case, and fixed connection is in the surface of pivot, the rodent meshes with the gear mutually.

Further, fixture includes the second spout and two relative symmetry's riser, the upper surface of removal case is seted up to the inner wall of second spout, two the bottom surface of riser all fixed connection in the upper surface of removal case, two the surface of riser all sets up threaded hole.

Furthermore, the inner wall threaded connection of screw hole has the threaded rod, the surface fixed connection of threaded rod has the carousel, the one end that the carousel surface was kept away from to the threaded rod rotates and is connected with the ejector pad.

Further, the outer surface of the push block is fixedly connected with a clamping block, the bottom surface of the push block is fixedly connected with a second sliding block, and the outer surface of the second sliding block is connected to the inner wall of the second sliding groove in a sliding mode.

Compared with the prior art, this an automatic take-up device for electric wire and cable direct current resistance detects possesses following beneficial effect:

1. the utility model discloses a set up moving mechanism's effect, can drag the electric wire through machinery, avoid producing artifical manual straightening unstability and cause partial wire and cable not state of flare-outing, influence the result of resistance test, through the effect that sets up fixture, can carry out the centre gripping to not unidimensional wire and cable and fix, need not to change fixed equipment when testing unidimensional electric wire and reduce efficiency of software testing, realize the practicality that is used for the automatic take-up unit of wire and cable direct current resistance detection.

2. The utility model discloses a set up the effect between second spout, screw hole, threaded rod, carousel, ejector pad and the second slider, utilize the mating reaction of threaded rod, carousel, manual rotation threaded rod can drive the carousel and rotate to utilize the threaded connection with the screw hole, can make the carousel carry out lateral shifting, utilize the effect of second spout, second slider, can carry on spacingly to the ejector pad, make its directional lateral shifting under the promotion of carousel.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the moving mechanism of the present invention;

fig. 3 is a schematic view of the internal structure of the moving mechanism of the present invention;

fig. 4 is a schematic perspective view of the clamping mechanism of the present invention.

In the figure: 1. an operating platform; 2. supporting legs; 3. a moving mechanism; 301. a first chute; 302. a component slot; 303. a mobile box; 304. a first slider; 305. a rodent; 306. a square hole; 307. a rotating shaft; 308. a gear; 309. rotating the motor; 4. a clamping mechanism; 401. a second chute; 402. a vertical plate; 403. a threaded hole; 404. a threaded rod; 405. a turntable; 406. pushing a block; 407. a clamping block; 408. a second slider; 5. a tester main body; 6. a control panel; 7. a display screen; 8. a printer.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides an automatic take-up device for wire and cable direct current resistance detects, and the device is arranged in carrying out the centre gripping to unidimensional wire and cable in the testing process of direct current resistance and fixes, through setting up fixture 4's effect, can carry out the centre gripping to unidimensional wire and cable and fix, need not to change fixed equipment when testing unidimensional electric wire and reduce efficiency of software testing, realizes the practicality that is used for the automatic take-up device that wire and cable direct current resistance detected.

Referring to fig. 1 to 4, an automatic tensioning device for detecting the direct current resistance of an electric wire comprises an operating platform 1, wherein two groups of symmetrical supporting legs 2 are fixedly connected to the bottom surface of the operating platform 1, the number of the two groups of supporting legs 2 is four, and the four groups of supporting legs are respectively fixed at four corners of the bottom surface of the operating platform 1 to support the operating platform 1.

The upper surface of the operation platform 1 is provided with two symmetrical moving mechanisms 3.

Referring to fig. 1, 2, and 3, the moving mechanism 3 includes two first sliding grooves 301, a component groove 302, and a moving box 303, inner walls of the two first sliding grooves 301 are all opened on the upper surface of the operating platform 1, inner walls of the component groove 302 are opened on the upper surface of the operating platform 1, and a square hole 306 is opened on the bottom surface of the moving box 303.

The inner walls of the two first sliding grooves 301 are both connected with first sliding blocks 304 in a sliding manner, the outer surfaces of the two first sliding blocks 304 are fixedly connected with the bottom surface of the movable box 303, and the inner walls of the assembly grooves 302 are fixedly connected with rodent teeth 305 which are arranged at equal intervals.

Through the cooperation of the first chute 301 and the first slider 304, the movable box 303 can be limited in position, so that the movable box 303 can only move within the distance of the first chute 301, and the movable box 303 cannot move up and down and is always meshed with the tooth 305.

The inner wall of the movable box 303 is rotatably connected with a rotating shaft 307, the outer surface of the rotating shaft 307 is fixedly connected with a gear 308, the outer surface of the movable box 303 is fixedly connected with a rotating motor 309, the output end of the rotating motor 309 penetrates through the outer surface of the movable box 303 to extend to the outer surface of the rotating shaft 307 and is fixedly connected to the outer surface of the rotating shaft 307, and the tooth form 305 is meshed with the gear 308.

Through the cooperation of rodent 305, gear 308, start rotating motor 309 and can drive pivot 307 and rotate to drive gear 308 and rotate, and under gear 308 and the intermeshing's of rodent 305 state, can drive mobile box 303 and remove, drag wire and cable.

The upper surface of the movable box 303 is provided with a gripping mechanism 4.

Referring to fig. 1 and 4, the clamping mechanism 4 includes a second chute 401 and two vertical plates 402 which are symmetrical to each other, an inner wall of the second chute 401 is provided on an upper surface of the moving box 303, bottom surfaces of the two vertical plates 402 are both fixedly connected to the upper surface of the moving box 303, and outer surfaces of the two vertical plates 402 are both provided with threaded holes 403.

A threaded rod 404 is connected to the inner wall of the threaded hole 403 in a threaded manner, a rotary table 405 is fixedly connected to the outer surface of the threaded rod 404, and a push block 406 is rotatably connected to one end, far away from the outer surface of the rotary table 405, of the threaded rod 404.

Through the cooperation of the threaded hole 403, the threaded rod 404 and the turntable 405, the turntable 405 rotates clockwise to drive the threaded rod 404 to rotate, and drives the push block 406 and the clamping block 407 to clamp and fix the wire and the cable under the threaded connection effect of the threaded hole 403.

The outer surface of the pushing block 406 is fixedly connected with a clamping block 407, and a layer of rubber pad is arranged on the surface of the clamping block 407, which is in contact with the electric wire, so that the friction force between the clamping block 407 and the electric wire can be improved.

The bottom surface of the pushing block 406 is fixedly connected with a second sliding block 408, and the outer surface of the second sliding block 408 is slidably connected with the inner wall of the second sliding chute 401.

Through the cooperation of second spout 401, second slider 408, can carry on spacingly to ejector pad 406, make it can not rotated under the drive of carousel 405 under the promotion of carousel 405, make grip block 407 can stably wrap up electric wire and cable.

Operating platform 1's last surface mounting has tester main part 5, and tester main part 5's surface is equipped with control panel 6, and tester main part 5's surface is equipped with display screen 7, and operating platform 1's last fixed surface is connected with printer 8.

Through the effect of tester main part 5, control panel 6, display screen 7, can carry out resistance test to the electric wire to accessible control panel 6, display screen 7 carry out the adjustment data to tester main part 5.

Through the action of the printer 8, the paper data can be printed out through the printer 8 according to the data obtained after the test is completed.

The working principle is as follows: in this embodiment, when the device is used to fix electric wires and cables of different sizes, firstly, the circuit is manually placed between two clamping blocks 407, the threaded rod 404 and the rotary disk 405 are used to cooperate, the threaded rod 404 can be manually rotated to drive the rotary disk 405 to rotate, the rotary disk 405 can be transversely moved by using threaded connection with the threaded hole 403, when the rotary disk 405 pushes the push block 406, the push block 406 can be limited by using the second sliding chute 401 and the second sliding block 408, so that the push block can be pushed by the rotary disk 405 to transversely move, the electric wires and cables of different sizes can be clamped and fixed by pushing the push blocks 406 at two sides, then, after the electric wires and cables are clamped and fixed, the rotating motor 309 is started to drive the rotating shaft 307 to rotate and drive the gear 308 to rotate, and the movable box 303 can be driven to move under the state that the gear 308 and the tooth 305 are mutually meshed, the electric wires and cables can be pulled, and finally, the movable box can be meshed with the gear 305 in the limiting position in the moving process that the tooth box 303 can be moved and meshed with the limiting position of the gear box 303 all the gear 305, and the tooth 305 can be meshed with the limiting position of the gear box 303.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic tensioning device for detecting the direct current resistance of a wire and a cable comprises an operation platform (1), and is characterized in that: the utility model discloses an operation platform (1) for the test of test, including operation platform (1), the bottom surface fixedly connected with two sets of symmetrical supporting legs (2), the upper surface of operation platform (1) is provided with two symmetrical moving mechanism (3), moving mechanism (3) include two first spout (301) and component groove (302) and removal case (303), the upper surface of removal case (303) is provided with fixture (4), the upper surface mounting of operation platform (1) has tester main part (5), the surface of tester main part (5) is equipped with control panel (6), the surface of tester main part (5) is equipped with display screen (7), the last fixed surface of operation platform (1) is connected with printer (8).

2. The automatic tension device for detecting the direct current resistance of a wire and cable according to claim 1, wherein: two the upper surface in operation platform (1) is all seted up to the inner wall of first spout (301), the upper surface in operation platform (1) is seted up to the inner wall in subassembly groove (302), quad slit (306) have been seted up to the bottom surface of removal case (303).

3. The automatic tightening device for dc resistance test of electric wire according to claim 2, wherein: the inner wall of the first sliding groove (301) is connected with a first sliding block (304) in a sliding mode, the outer surface of the first sliding block (304) is fixedly connected to the bottom surface of the movable box (303), and the inner wall of the assembly groove (302) is fixedly connected with the engaging teeth (305) which are arranged at equal intervals.

4. An automatic tension device for DC resistance test of electric wire and cable according to claim 3, wherein: the inner wall of removal case (303) rotates and is connected with pivot (307), the surface fixed connection of pivot (307) has gear (308), the surface fixed connection of removal case (303) rotates motor (309), the output that rotates motor (309) runs through the surface in removal case (303) and extends to the surface of pivot (307), and fixed connection is in the surface of pivot (307), rodent (305) and gear (308) mesh mutually.

5. The automatic tightening device for dc resistance test of electric wire according to claim 1, wherein: the clamping mechanism (4) comprises a second sliding groove (401) and two vertical plates (402) which are symmetrical relatively, the inner wall of the second sliding groove (401) is arranged on the upper surface of the movable box (303), the bottom surfaces of the two vertical plates (402) are fixedly connected to the upper surface of the movable box (303), and the outer surfaces of the two vertical plates (402) are provided with threaded holes (403).

6. The automatic tightening device for DC resistance test of electric wire according to claim 5, wherein: the inner wall threaded connection of screw hole (403) has threaded rod (404), the outer fixed surface of threaded rod (404) is connected with carousel (405), the one end that carousel (405) surface was kept away from in threaded rod (404) is rotated and is connected with ejector pad (406).

7. The automatic tightening device for DC resistance test of electric wire and cable according to claim 6, wherein: the outer surface of the push block (406) is fixedly connected with a clamping block (407), the bottom surface of the push block (406) is fixedly connected with a second sliding block (408), and the outer surface of the second sliding block (408) is connected to the inner wall of the second sliding groove (401) in a sliding mode.