Track cable electrical performance test device

Abstract

The utility model discloses a track cable electrical performance testing device, which belongs to the technical field of cable electrical performance testing and comprises a base, lower clamping seats are symmetrically and fixedly mounted at the top end of the base, adjusting assemblies are mounted on the lower clamping seats, guide rods are symmetrically and fixedly mounted at the top ends of the lower clamping seats, and the guide rods are connected with the adjusting assemblies. Guide rods are fixedly installed on the base, upper clamping bases are installed on the guide rods in a sliding mode, an L-shaped support is fixedly installed on one side of the top end of the base, an air cylinder is fixedly installed at the top end of the support, the output end of the air cylinder penetrates through the support and is fixedly provided with a pressing plate, the pressing plate is arranged in a T shape, and the two upper clamping bases are symmetrically installed on the pressing plate in a sliding mode. The device can synchronously clamp and fix the two ends of the cable through output of one air cylinder, so that the practicability and the working efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable electrical performance testing, in particular to a track cable electrical performance testing device. Background Art

[0002] At present, power cables are cables used to transmit and distribute electrical energy. Power cables are often used in urban rails. High-voltage cables are generally buried underground. Therefore, high-voltage cables must resist high-intensity pressure on the ground and prevent damage from other external forces. Therefore, in the production of high-voltage cables, high-voltage cables are generally subjected to pulling tests.

[0003] In the prior art, high-voltage cable test devices need to clamp the high-voltage cable before use. The existing clamping device requires two driving devices to run simultaneously to clamp the two ends of the cable, which is inefficient and costly. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a track cable electrical performance test device, which aims to improve the problem that when the clamping device clamps and fixes the two ends of the cable, two driving devices need to run simultaneously to clamp the two ends of the cable, resulting in low efficiency.

[0005] The utility model is implemented as follows: a track cable electrical performance test device, comprising a base, a lower clamping seat is symmetrically fixedly installed on the top of the base, an adjustment component is installed on the lower clamping seat, a guide rod is symmetrically fixedly installed on the top of the lower clamping seat, an upper clamping seat is slidably installed on the guide rod, an L-shaped bracket is fixedly installed on one side of the top of the base, a cylinder is fixedly installed on the top of the bracket, the output end of the cylinder passes through the bracket and is fixedly installed on a pressure plate, the pressure plate is T-shaped, and the two upper clamping seats are symmetrically slidably installed on the pressure plate.

[0006] In the preferred technical solution of the present invention, horizontal plates are symmetrically fixedly installed on both sides of the bracket, the bottom end of the horizontal plate is fixedly installed on one side relatively away from the guide rod, and the first side plates are symmetrically fixedly installed on both sides of the pressure plate. The first side plates are slidably installed on the guide rod, and the guide rods are symmetrically arranged on both sides of the pressure plate.

[0007] In the preferred technical solution of the present invention, the upper clamping seat is directly above the lower clamping seat, and an arc groove is provided on one side of the upper clamping seat and the lower clamping seat relatively close to each other, and both ends of the arc groove are arc-shaped.

[0008] In the preferred technical solution of the present invention, a T-shaped groove matching the pressure plate is provided at the top of the upper clamping seat, and multiple support wheels are symmetrically installed on both sides of the inner wall of the T-shaped groove, and the support wheels are slidably connected to the outer side of the pressure plate.

[0009] In the preferred technical solution of the present invention, the adjustment assembly includes a second side plate and a bidirectional threaded rod, the second side plate is symmetrically fixedly installed on the top of the base, the bidirectional threaded rod is symmetrically rotatably installed between the two second side plates, the two lower clamping seats are symmetrically threaded on the bidirectional threaded rod, a drive assembly is installed at one end of the bidirectional threaded rod, and the two bidirectional threaded rods are symmetrically arranged on the top of the base.

[0010] In the preferred technical solution of the present utility model, the driving assembly includes a first rotating shaft and a motor, wherein a vertical plate is symmetrically fixedly installed on one side of one of the second side plates, the first rotating shaft is rotatably installed between the two vertical plates, one end of the bidirectional threaded rod is fixedly installed with a second rotating shaft, one end of the second rotating shaft passes through the second side plate and is fixedly installed with a first bevel gear, the second bevel gear is symmetrically fixedly installed on the first rotating shaft, the first bevel gear is meshed with the adjacent second bevel gear, and the motor is fixedly installed at one end of the first rotating shaft.

[0011] In the preferred technical solution of the present invention, a groove is provided at the top of the lower clamping seat, a clamping block is slidably installed in the groove of the lower clamping seat, an installation groove is provided at the bottom end of the inner wall of the groove, a spring is fixedly installed at the bottom end of the inner wall of the installation groove, the top end of the spring is fixedly connected to the bottom end of the clamping block, and the top end of the clamping block is provided with an arc groove matching the bottom end of the upper clamping seat.

[0012] In the preferred technical solution of the present invention, sliders are provided on both sides of the clamping block, the sliders are T-shaped, and sliding grooves matching the sliders are provided on both sides of the inner wall of the groove.

[0013] The beneficial effects of the utility model are as follows: the utility model provides a track cable electrical performance test device obtained by the above design, wherein the two ends of the cable are placed in the arc grooves at the top of the two clamping blocks, and the cylinder is started to drive the pressure plate to move downward, and the downward movement of the pressure plate drives the upper clamping seat to move downward to clamp the cable. At the same time, the squeezing of the upper clamping seat and the cable drives the clamping block to move downward, and the downward movement of the clamping block squeezes the spring to the slider and the bottom end of the inner wall of the slide groove to fit the cable, and the two ends of the cable can be synchronously clamped and fixed through the output of one cylinder, thereby improving practicality and work efficiency; when testing, the motor is started to drive the first rotating shaft to rotate, and the rotation of the first rotating shaft drives the bidirectional threaded rod to rotate through the first bevel gear, the second bevel gear and the second rotating shaft, and the rotation of the bidirectional threaded rod drives the two lower clamping seats to move relative to each other, and the movement of the lower clamping seat drives the lower clamping seat to move synchronously through the guide rod, and the lower clamping seat and the upper clamping seat move synchronously to test the cable tension. The setting of the two bidirectional threaded rods improves the stability during tension, thereby improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 This is a schematic structural diagram of a track cable electrical performance test device provided by an embodiment of the utility model;

[0016] Figure 2 A partial structural diagram of a track cable electrical performance test device is provided for an embodiment of the present utility model;

[0017] Figure 3 A schematic structural diagram of an upper clamping seat is provided for an embodiment of the present utility model;

[0018] Figure 4 A schematic structural diagram of an adjustment assembly is provided for an embodiment of the present utility model;

[0019] Figure 5 A structural schematic diagram of a lower clamping seat is provided for an embodiment of the present utility model.

[0020] In the figure: 110, base; 120, lower clamping seat; 121, clamping block; 122, spring; 123, slider; 130, upper clamping seat; 131, support wheel; 140, bracket; 141, cylinder; 142, pressure plate; 143, horizontal plate; 144, guide rod; 145, first side plate; 150, second side plate; 151, bidirectional threaded rod; 152, first rotating shaft; 153, motor; 154, vertical plate. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1 to 3 The utility model provides a technical solution: a rail cable electrical performance test device, including a base 110, a lower clamping seat 120 is symmetrically fixedly installed on the top of the base 110, and an adjusting component is installed on the lower clamping seat 120, and a guide rod is symmetrically fixedly installed on the top of the lower clamping seat 120, and an upper clamping seat 130 is slidably installed on the guide rod, and the upper clamping seat 130 is directly above the lower clamping seat 120, and the upper clamping seat 130 and the lower clamping seat 120 are relatively close to one side and an arc groove is provided, and the two ends of the arc groove are arc-shaped. An L-shaped bracket 140 is fixedly installed on one side of the top of the base 110, and a cylinder 141 is fixedly installed on the top of the bracket 140, and the output end of the cylinder 141 passes through the bracket 140 and is fixedly installed with a pressure plate 142, and the pressure plate 142 is T-shaped, and the two upper clamping seats 130 are symmetrically slidably installed on the pressure plate 142.

[0023] In some specific embodiments, horizontal plates 143 are symmetrically fixedly installed on both sides of the bracket 140, and a guide rod 144 is fixedly installed on the bottom end of the horizontal plate 143 relatively away from one side, and a first side plate 145 is symmetrically fixedly installed on both sides of the pressure plate 142. The first side plate 145 is slidably installed on the guide rod 144, and the guide rod 144 is symmetrically arranged on both sides of the pressure plate 142. The cooperation between the guide rod 144 and the first side plate 145 improves the stability of the pressure plate 142 when it moves up and down.

[0024] In some specific embodiments, a T-shaped groove matching the pressure plate 142 is provided at the top of the upper clamping seat 130, and multiple support wheels 131 are symmetrically installed on both sides of the inner wall of the T-shaped groove. The support wheels 131 are slidably connected to the outer side of the pressure plate 142. The setting of the support wheels 131 facilitates the upper clamping seat 130 to slide on the pressure plate 142.

[0025] See also Figure 4 and Figure 5The adjusting assembly includes a second side plate 150 and a bidirectional threaded rod 151. The second side plate 150 is symmetrically fixedly installed on the top of the base 110, and the bidirectional threaded rod 151 is symmetrically rotatably installed between the two second side plates 150. The two lower clamping seats 120 are symmetrically threadedly installed on the bidirectional threaded rod 151, and a driving assembly is installed at one end of the bidirectional threaded rod 151. The two bidirectional threaded rods 151 are symmetrically arranged at the top of the base 110. The driving assembly includes a first rotating shaft 152 and a motor 153. One side of the second side plate 150 is symmetrically fixedly installed with a vertical plate 154, and the first rotating shaft 152 is rotatably installed between the two vertical plates 154. One end of the bidirectional threaded rod 151 is fixedly installed with the second rotating shaft, and one end of the second rotating shaft passes through the second side plate 150 and is fixedly installed with the first bevel gear. The second bevel gear is symmetrically fixedly installed on the first rotating shaft 152, and the first bevel gear is meshed with the adjacent second bevel gear. The motor 153 is fixedly installed at one end of the first rotating shaft 152.

[0026] In some specific embodiments, a groove is provided at the top of the lower clamping seat 120, and a clamping block 121 is slidably installed in the groove of the lower clamping seat 120, and an installation groove is provided at the bottom end of the inner wall of the groove, and a spring 122 is fixedly installed at the bottom end of the inner wall of the installation groove, and the top end of the spring 122 is fixedly connected to the bottom end of the clamping block 121, and an arc groove matching the bottom end of the upper clamping seat 130 is provided at the top end of the clamping block 121. The setting of the spring 122 can play a buffering role when clamping the cable, and sliders 123 are provided on both sides of the clamping block 121. The slider 123 is T-shaped, and sliding grooves matching the slider 123 are provided on both sides of the inner wall of the groove. The setting of the slider 123 improves the stability of the clamping block 121 during movement, thereby improving the service life of the equipment.

[0027] Working principle: When in use, place the two ends of the cable in the arc grooves at the top of the two clamping blocks 121, start the cylinder 141 to drive the pressure plate 142 to move downward, and the pressure plate 142 moves downward to drive the upper clamping seat 130 to move down to clamp the cable. At the same time, the upper clamping seat 130 and the cable are squeezed to drive the clamping block 121 to move downward, and the clamping block 121 moves downward to squeeze the spring 122 to the slider 123 and the bottom end of the inner wall of the slide groove to fix the cable. When testing, start the motor 153 to drive the first rotating shaft 152 to rotate, and the first rotating shaft 152 rotates to drive the bidirectional threaded rod 151 to rotate through the first bevel gear, the second bevel gear and the second rotating shaft. The rotation of the bidirectional threaded rod 151 drives the two lower clamping seats 120 to move relative to each other, and the lower clamping seat 120 moves and drives the lower clamping seat 120 to move synchronously through the guide rod. The lower clamping seat 120 and the upper clamping seat 130 move synchronously to test the cable tension.

[0028] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A rail cable electrical performance test device, comprising a base, characterized in that: The lower clamping seat is symmetrically fixedly installed on the top of the base, and an adjustment component is installed on the lower clamping seat. A guide rod is symmetrically fixedly installed on the top of the lower clamping seat, and an upper clamping seat is slidably installed on the guide rod. An L-shaped bracket is fixedly installed on one side of the top of the base, and a cylinder is fixedly installed on the top of the bracket. The output end of the cylinder passes through the bracket and is fixedly installed on a pressure plate. The pressure plate is T-shaped, and the two upper clamping seats are symmetrically slidably installed on the pressure plate.

2. A railway cable electrical performance test device according to claim 1, characterized in that: The two sides of the bracket are symmetrically fixed with horizontal plates, the bottom end of the horizontal plate is relatively far away from one side and the guide rod is fixedly installed. The two sides of the pressure plate are symmetrically fixed with first side plates, and the first side plates are slidably installed on the guide rod.

3. A railway cable electrical performance test device according to claim 1, characterized in that: The upper clamping seat is directly above the lower clamping seat, and an arc groove is provided on one side of the upper clamping seat and the lower clamping seat that is relatively close to each other.

4. A railway cable electrical performance test device according to claim 1, characterized in that: The top of the upper clamping seat is provided with a T-shaped groove matching the pressure plate, and a plurality of supporting wheels are symmetrically installed on both sides of the inner wall of the T-shaped groove, and the supporting wheels are slidably connected to the outer side of the pressure plate.

5. A railway cable electrical performance test device according to claim 1, characterized in that: The adjustment assembly includes a second side plate and a bidirectional threaded rod. The second side plate is symmetrically fixedly installed on the top of the base. The bidirectional threaded rod is symmetrically rotated and installed between the two second side plates. The two lower clamping seats are symmetrically threaded on the bidirectional threaded rod. A driving assembly is installed at one end of the bidirectional threaded rod.

6. A railway cable electrical performance test device according to claim 5, characterized in that: The driving assembly includes a first rotating shaft and a motor, wherein a vertical plate is symmetrically fixedly installed on one side of one of the second side plates, the first rotating shaft is rotatably installed between the two vertical plates, one end of the bidirectional threaded rod is fixedly installed with a second rotating shaft, one end of the second rotating shaft passes through the second side plate and is fixedly installed with a first bevel gear, a second bevel gear is symmetrically fixedly installed on the first rotating shaft, the first bevel gear is meshed with the adjacent second bevel gear, and the motor is fixedly installed on one end of the first rotating shaft.

7. A railway cable electrical performance test device according to claim 1, characterized in that: A groove is provided at the top of the lower clamping seat, and a clamping block is slidably installed in the groove of the lower clamping seat. A mounting groove is provided at the bottom end of the inner wall of the groove, and a spring is fixedly installed at the bottom end of the inner wall of the mounting groove. The top end of the spring is fixedly connected to the bottom end of the clamping block.

8. A railway cable electrical performance test device according to claim 7, characterized in that: Slide blocks are provided on both sides of the clamping block, and the slide blocks are T-shaped. Slide grooves matching the slide blocks are provided on both sides of the inner wall of the groove.

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