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

Abstract

The utility model discloses an automatic tensioning device for detecting the DC resistance of electric wires and cables, relates to the technical field of resistance testing equipment, and includes an operation platform. The bottom surface of the operation platform is fixedly connected with two sets of symmetrical support legs. Two symmetrical moving mechanisms are arranged on the upper surface, and the moving mechanisms include two first sliding grooves, component grooves and a moving box, and a clamping mechanism is arranged on the upper surface of the moving box. It can pull the wires mechanically by setting the function of the moving mechanism, avoiding the instability of manual straightening and causing some wires and cables to be unstraightened, which will affect the results of the resistance test. By setting the function of the clamping mechanism, it can Clamping and fixing wires and cables of different sizes eliminates the need to replace fixtures when testing wires of different sizes to reduce test efficiency and realize the practicability of an automatic tensioning device for wire and cable DC resistance detection.

Description

An automatic tensioning device for detecting the DC resistance of wires and cables

technical field

The utility model relates to the technical field of resistance testing equipment, in particular to an automatic tensioning device for detecting the DC resistance of electric wires and cables.

Background technique

The DC resistance fast tester is a high-precision replacement product that replaces the DC single-arm and double-arm bridges. The DC resistance fast tester adopts advanced switching power supply technology, and the measurement results are displayed by dot-matrix liquid crystal. It overcomes the shortcomings of other similar products that the LED display value is inconvenient to read in the sun, and has an automatic arc suppression function. The DC resistance test of the transformer winding is an indispensable test item after the transformer is handed over, overhauled and the tap changer is changed.

At present, the existing DC resistance testers need to fix the wires and cables when they are working. However, the fixing of the wires is usually a fixed size. When testing wires of different sizes, the fixing bracket needs to be replaced. This operation wastes a lot of time. And it is necessary to straighten the wires during the test before they can be tested. The traditional method is to pull them manually. In this way, some wires and cables may not be straightened due to the instability of manual straightening during testing; for this reason, We provide an automatic tensioning device for wire and cable DC resistance detection to solve the above problems.

Utility model content

The purpose of the utility model is to provide an automatic tensioning device for detecting the DC resistance of wires and cables in order to make up for the deficiencies of the prior art.

In order to achieve the above purpose, the utility model provides the following technical solutions: an automatic tensioning device for wire and cable DC resistance detection, including an operating platform, the bottom surface of the operating platform is fixedly connected with two sets of symmetrical support legs, the The upper surface of the operation platform is provided with two symmetrical moving mechanisms, the moving mechanism includes two first chute and component slots and a moving box, the upper surface of the moving box is provided with a clamping mechanism, the operation A tester main body is installed on the upper surface of the platform, a control panel is arranged on the outer surface of the tester main body, a display screen is arranged on the outer surface of the tester main body, and a printer is fixedly connected to the upper surface of the operating platform.

Further, the inner walls of the two first slide grooves are opened on the upper surface of the operating platform, the inner walls of the component grooves are opened on the upper surface of the operating platform, and the bottom surface of the moving box is opened with a square hole.

Further, the inner walls of the two first slide grooves are slidably connected with first sliders, the outer surfaces of the two first sliders are fixedly connected to the bottom surface of the moving box, and the inner walls of the component grooves are fixedly connected with Isometric arrangement of rodents.

Further, the inner wall of the moving box is rotatably connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a gear, the outer surface of the moving box is fixedly connected with a rotating motor, and the output end of the rotating motor runs through the moving box. The outer surface extends to the outer surface of the rotating shaft and is fixedly connected to the outer surface of the rotating shaft, and the teeth mesh with the gear.

Further, the clamping mechanism includes a second chute and two relatively symmetrical vertical plates, the inner wall of the second chute is set on the upper surface of the moving box, and the bottom surfaces of the two vertical plates are fixedly connected to On the upper surface of the mobile box, the outer surfaces of the two vertical plates are provided with threaded holes.

Further, the inner wall of the threaded hole is threaded with a threaded rod, the outer surface of the threaded rod is fixedly connected with the turntable, and the end of the threaded rod away from the outer surface of the turntable is rotatably connected with a push block.

Further, a clamping block is fixedly connected to the outer surface of the push block, a second slider is fixedly connected to the bottom surface of the push block, and the outer surface of the second slider is slidably connected to the inner wall of the second chute.

Compared with the prior art, the automatic tensioning device for wire and cable DC resistance detection has the following beneficial effects:

1. The utility model can pull the wires mechanically by setting the function of the moving mechanism, avoiding the instability of manual straightening and causing some wires and cables to be unstraightened, which will affect the results of the resistance test. By setting the clamping mechanism Function, it can clamp and fix wires and cables of different sizes, without changing the fixing equipment to reduce test efficiency when testing wires of different sizes, and realize the practicability of the automatic tensioning device for wire and cable DC resistance detection.

2. The utility model sets the second chute, the threaded hole, the threaded rod, the turntable, the push block and the second slider, and utilizes the cooperation between the threaded rod and the turntable, and the manual rotation of the threaded rod can drive the turntable to rotate. , and utilize the threaded connection with the threaded hole to make the turntable move laterally, and utilize the functions of the second chute and the second slide block to limit the position of the push block so that it can move laterally under the push of the turntable.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the three-dimensional structure schematic diagram of the utility model mobile mechanism;

Fig. 3 is a schematic diagram of the internal structure of the utility model mobile mechanism;

Fig. 4 is a three-dimensional structural schematic diagram of the clamping mechanism of the present invention.

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

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

This embodiment provides an automatic tensioning device for detecting the DC resistance of wires and cables. The device is used to clamp and fix wires and cables of different sizes during the DC resistance test process. By setting the clamping mechanism 4 Function, it can clamp and fix wires and cables of different sizes, without changing the fixing equipment to reduce test efficiency when testing wires of different sizes, and realize the practicability of the automatic tensioning device for wire and cable DC resistance detection.

Referring to Fig. 1 to Fig. 4, an automatic tensioning device for detecting DC resistance of wires and cables includes an operating platform 1, and two sets of symmetrical support legs 2 are fixedly connected to the bottom surface of the operating platform 1, where the two sets of support legs 2, there are four in total, which are respectively fixed on the four corners of the bottom surface of the operating platform 1 to support the operating platform 1.

Two symmetrical moving mechanisms 3 are arranged on the upper surface of the operating platform 1 .

Referring to Fig. 1, Fig. 2, Fig. 3, the moving mechanism 3 includes two first chute 301, assembly groove 302 and moving box 303, the inner walls of the two first chute 301 are opened on the upper surface of the operating platform 1, and the assembly The inner wall of the groove 302 is opened on the upper surface of the operation platform 1 , and the bottom surface of the moving box 303 is opened with a square hole 306 .

The inner walls of the two first slide grooves 301 are all slidably connected with first sliders 304, the outer surfaces of the two first sliders 304 are fixedly connected to the bottom surface of the moving box 303, and the inner walls of the component grooves 302 are fixedly connected with equidistantly arranged rodent305.

Through the cooperation of the first chute 301 and the first slide block 304, the position of the moving box 303 can be limited, so that the moving box 303 can only move within the distance in the first chute 301 groove, and the moving box 303 Can't move up and down, keep the meshing connection with the rod 305 all the time.

The inner wall of the moving 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, and the outer surface of the moving box 303 is fixedly connected with a rotating motor 309, and the output end of the rotating motor 309 extends through the outer surface of the moving box 303. To the outer surface of the rotating shaft 307 and fixedly connected to the outer surface of the rotating shaft 307 , the teeth 305 mesh with the gear 308 .

Through the cooperative action of the teeth 305 and the gears 308, starting the rotating motor 309 can drive the rotating shaft 307 to rotate, and drive the gear 308 to rotate, and in the state where the gears 308 and the teeth 305 mesh with each other, the mobile box 303 can be driven to move. Wires and cables are pulled.

The upper surface of the mobile box 303 is provided with a clamping mechanism 4 .

Referring to Fig. 1 and Fig. 4, the clamping mechanism 4 includes a second chute 401 and two relatively symmetrical vertical plates 402, the inner wall of the second chute 401 is opened on the upper surface of the mobile box 303, and the bottom surface of the two vertical plates 402 Both are fixedly connected to the upper surface of the mobile box 303 , and the outer surfaces of the two vertical plates 402 are provided with threaded holes 403 .

The inner wall of the threaded hole 403 is threadedly connected with a threaded rod 404 , the outer surface of the threaded rod 404 is fixedly connected with a turntable 405 , and the end of the threaded rod 404 away from the outer surface of the turntable 405 is rotatably connected with a push block 406 .

Through the cooperation of the threaded hole 403, the threaded rod 404, and the turntable 405, the clockwise rotation of the turntable 405 drives the threaded rod 404 to rotate, and the push block 406 and the clamping block 407 are driven by the threaded connection with the threaded hole 403. Perform clamping and fixing.

The outer surface of the push block 406 is fixedly connected with the clamping block 407, where the surface of the clamping block 407 in contact with the wire and cable is provided with a layer of rubber pads, which can improve the friction between the clamping block 407 and the wire and cable.

The bottom surface of the push block 406 is fixedly connected with the 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 groove 401 .

Through the cooperation of the second chute 401 and the second slider 408, the push block 406 can be limited so that it will not be driven by the turntable 405 to rotate under the push of the turntable 405, so that the clamping block 407 can be stabilized. Wrap wires and cables.

The upper surface of the operating platform 1 is equipped with a tester main body 5, the outer surface of the tester main body 5 is provided with a control panel 6, the outer surface of the tester main body 5 is provided with a display screen 7, and the upper surface of the operating platform 1 is fixedly connected with a printer 8 .

Through the functions of the tester main body 5 , the control panel 6 and the display screen 7 , the electric wires can be tested for resistance, and the data of the tester main body 5 can be adjusted through the control panel 6 and the display screen 7 .

Through the effect of the printer 8, the data obtained after the test is completed can be printed out of paper data by the printer 8.

Working principle: In this embodiment, when it is necessary to use this device to fix wires and cables of different sizes, firstly, manually place the circuit between the two clamping blocks 407, and utilize the cooperation of the threaded rod 404 and the turntable 405 Effect, manually turning the threaded rod 404 can drive the turntable 405 to rotate, and utilize the threaded connection with the threaded hole 403 to make the turntable 405 move laterally. When the turntable 405 pushes the push block 406, the second chute 401, the second The function of the second slide block 408 can limit the position of the push block 406 so that it can move laterally under the push of the turntable 405. Under the push of the push blocks 406 on both sides, the wires and cables of different sizes can be clamped and fixed, and then After the clamping and fixing of the wire and cable is completed, start the rotating motor 309 to drive the rotating shaft 307 to rotate, and drive the gear 308 to rotate, and in the state where the gear 308 and the teeth 305 are meshed with each other, it can drive the moving box 303 to move. The electric wire and cable are pulled, and finally, utilize the cooperation of the first chute 301 and the first slide block 304 to limit the position of the mobile box 303 so that it can move directionally during the moving process, and the position of the mobile box 303 can be limited. position, making its gear 308 mesh with the tooth 305 all the time.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

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.

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