Portable 10kv spacer

Abstract

The invention discloses a portable 10kv spacer, and relates to the field of electric power circuit fittings, the portable 10kv spacer comprises a telescopic insulating rod and two groups of cable connecting units, and two ends of the telescopic insulating rod are respectively provided with an insulator; the cable connecting unit comprises a door-shaped frame and two sliding rods, and the door-shaped frame is rotationally connected with one end of the telescopic insulating rod and can be locked at multiple angle positions; the two sliding rods are arranged in the n-shaped frame, the middle sections of the sliding rods are provided with rotatable multi-position chucks, the two opposite sliding rods are far away from each other, the two multi-position chucks can be arranged on the two sides of a cable, and then the sliding rods can be driven to reset by means of the elastic force of the springs on the two sides. The two multi-position chucks are automatically close to each other and clamp the cable, the operation is convenient and fast, the operation difficulty is reduced, and the installation efficiency is improved.

Description

Technical Field

[0001] This invention belongs to the field of power line accessories, specifically relating to a portable 10kV spacer bar. Background Technology

[0002] During the operation, maintenance, and construction of overhead lines in 10kV distribution networks, spacers are usually installed between conductors to maintain a safe distance from each other in order to prevent short circuits or discharges caused by wind swaying, icing, or external forces.

[0003] However, most of the traditional spacers currently in widespread use adopt a rigid structure design, with the overall length fixed at the factory, and the clamping mechanisms at both ends are usually fastened to the cable with bolts.

[0004] This fixed-length structure cannot be flexibly adjusted in size according to the spacing requirements of different lines, resulting in poor adaptability. Workers have to carry spacers of various specifications to cope with different working conditions. In addition, the bolt connection method is cumbersome to operate in high-altitude operations, requiring the use of wrenches and other auxiliary tools to tighten repeatedly, which is time-consuming and labor-intensive.

[0005] Therefore, corresponding improvements are made to address the shortcomings of traditional spacers. Summary of the Invention

[0006] The traditional spacer bar design with fixed length cannot flexibly adjust the size according to the spacing requirements of different lines, resulting in poor adaptability. In addition, the clamping mechanism at both ends is usually fastened to the cable with bolts, which is time-consuming and labor-intensive. This invention provides a portable 10kV spacer bar.

[0007] The solution adopted by the present invention to solve its technical problem is: a portable 10kV spacer bar, including a telescopic insulating rod and two sets of cable connection units, wherein insulators are respectively provided at both ends of the telescopic insulating rod; The cable connection unit includes a gantry frame and two sliding rods. The gantry frame is rotatably connected to one end of the retractable insulating rod and is configured to be locked at multiple angular positions. The two sliding rods are installed inside the portal frame, and a rotatable multi-position clamp is provided in the middle section of the sliding rod; At least one elastic component is installed between the sliding rod and the inner side of the gantry frame.

[0008] Preferably, the retractable insulating rod includes an insulating sleeve and an insulating extension rod slidably disposed within the insulating sleeve. The insulating extension rod has a plurality of threaded grooves in its groove. The insulating sleeve has a threaded hole at one end corresponding to the insulating extension rod. A locking screw is threaded into the threaded hole. The inner end of the locking screw is threaded into the corresponding threaded groove. Connecting rings are respectively provided at opposite ends of the insulating sleeve and the insulating extension rod.

[0009] Preferably, the lower end of the gantry frame is fixedly connected to two lugs, and a rotating shaft is rotatably installed between the two lugs. A connecting ring is fitted onto the rotating shaft. Multiple threaded holes are opened around the rotating shaft on the lugs. A through hole is opened on the connecting ring. The same angle positioning screw is installed in the through hole and the two threaded holes to lock the angle of the connecting ring and the retractable insulating rod.

[0010] Preferably, the gantry frame is composed of guide rails and two side plates fixedly connected together.

[0011] Preferably, a slider is fixedly connected to the top end of the sliding rod, and the slider is slidably connected to the guide rail.

[0012] Preferably, the multi-position clamp has at least two clamping slots of different sizes to accommodate cables of different diameters.

[0013] Preferably, the elastic component is a spring installed between the sliding rod and the corresponding side plate.

[0014] Preferably, the side plate has a wire hole, and the two side plates are each equipped with a guide wheel.

[0015] Preferably, it also includes two sets of traction mechanisms, which are respectively set for the two portal frames. The traction mechanism includes a guide rod and two pull ropes. The guide rod is welded and fixed to the top of the guide rail, and a pull plate that can slide up and down is sleeved on its outer side. One end of the pull rope is connected to the sliding rod, and the other end passes through the wire hole and the guide wheel in sequence and is connected to the pull plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention allows two multi-position clamps to be placed on both sides of the cable by moving two opposing sliding rods away from each other. Subsequently, the spring force on both sides can drive the sliding rods to reset, so that the two multi-position clamps automatically move closer to each other and clamp the cable. The operation is convenient and quick, reducing the difficulty of operation and improving the installation efficiency.

[0017] 2. The present invention features a telescopic insulating rod consisting of an insulating sleeve and an insulating extension rod, and uses a locking screw and a multi-level threaded groove to achieve length adjustment and locking. It can not only adapt to the installation needs of cables with different spacings, but also make it easy to carry when retracted.

[0018] 3. The portal frame and telescopic insulating rod of the present invention achieve multi-angle locking through the rotating shaft, ear seat and angle positioning screw. The connecting ring can rotate with the rotating shaft and be fixed to any threaded hole position of the ear seat by the angle positioning screw. It can be flexibly adjusted according to the cable layout angle on site and adapt to different line installation environments.

[0019] 4. The multi-position clamps of this invention are rotatably mounted on the sliding rod, and the appropriate size of the clamping slot can be selected according to the diameter of the cable, thereby improving the stability of the multi-position clamps in clamping the cable.

[0020] 5. This invention allows for one-handed control by pulling the pull plate upwards, which, under the action of the pull ropes on both sides, causes the two sliding rods to move away from each other, making operation more convenient. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the three-phase three-wire system in use according to the present invention.

[0022] In the diagram: 1 Insulator, 21 Insulating sleeve, 22 Insulating extension rod, 23 Locking screw, 24 Connecting ring, 31 Ear seat, 32 Rotating shaft, 33 Threaded hole II, 34 Angle positioning screw, 41 Guide rail, 42 Side plate, 51 Slider, 52 Sliding rod, 53 Multi-position chuck, 6 Guide wheel, 7 Spring, 81 Pull rope, 82 Guide rod, 83 Pull plate. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please see Figure 1-2 This invention provides a technical solution for a portable 10kV spacer bar: Example 1: according to Figure 1 and Figure 2 As shown, it includes a retractable insulating rod and two sets of cable connection units.

[0025] The telescopic insulating rod includes an insulating sleeve 21 and an insulating extension rod 22 slidably disposed within the insulating sleeve 21. The length of the insulating extension rod 22 extending out of the insulating sleeve 21 can be controlled according to the spacing between the two cables, which can adapt to the installation requirements of cables with different spacings. Furthermore, the insulating extension rod 22 is easy to carry after retracting into the insulating sleeve 21. Multiple threaded grooves are provided in the groove of the insulating extension rod 22. A threaded hole is provided at one end of the insulating sleeve 21 corresponding to the insulating extension rod 22. A locking screw 23 is threadedly connected to the threaded hole. The inner end of the locking screw 23 is threadedly connected to the corresponding threaded groove to fix the position of the insulating extension rod 22. Connecting rings 24 are respectively provided at the opposite ends of the insulating sleeve 21 and the insulating extension rod 22. Insulators 1 are respectively provided at the opposite ends of the insulating sleeve 21 and the insulating extension rod 22.

[0026] The cable connection unit includes a gantry frame and two sliding rods 52. The gantry frame is composed of a guide rail 41 and two side plates 42 fixedly connected. Two lugs 31 are fixedly connected to the lower end of the side plates 42. Bearings are installed on the two lugs 31 respectively. A rotating shaft 32 is rotatably installed between the two bearings. A connecting ring 24 is fitted on the rotating shaft 32, so that the telescopic insulating rod can be flexibly rotated and adjusted according to the cable arrangement angle on site. Multiple threaded holes 33 are opened around the rotating shaft 32 on the lugs 31. A through hole is opened on the connecting ring 24. The same angle positioning screw 34 is set in the through hole and the two threaded holes 33 to lock the angle of the connecting ring 24 and the telescopic insulating rod.

[0027] Two sliding rods 52 are installed inside the gantry frame. A slider 51 is fixedly connected to the top of the sliding rod 52. The slider 51 is slidably connected to the guide rail 41. Through the cooperation of the slider 51 and the guide rail 41, the sliding rod 52 is supported and guided to ensure the stability of the sliding rod 52 during movement. The middle section of the sliding rod 52 is provided with a cylindrical shaft section. The multi-position clamp 53 is sleeved on the cylindrical shaft section and can rotate freely around its axis. The multi-position clamp 53 is provided with at least two clamping slots of different sizes. The appropriate size clamping slot can be selected according to the diameter of the cable to adapt to cables of different diameters and improve the stability of the multi-position clamp 53 in clamping the cable.

[0028] At least one elastic component is installed between the sliding rod 52 and the side plate 42. The elastic component is a spring 7 installed between the sliding rod 52 and the corresponding side plate 42. By moving the two opposing sliding rods 52 away from each other, the two multi-position clamps 53 can be placed on both sides of the cable. Subsequently, the elastic force of the springs 7 on both sides can drive the sliding rod 52 to reset, so that the two multi-position clamps 53 automatically move closer to each other and clamp the cable. The operation is convenient and quick, reducing the difficulty of operation and improving the installation efficiency.

[0029] The retractable insulating rod and the two sets of cable connection units are all made of epoxy resin.

[0030] In practical use, the portable 10kV spacer bar of the present invention firstly pulls out the insulating extension rod 22 from the insulating sleeve 21 to a suitable length according to the actual distance between the two 10kV cables. Then, the locking screw 23 is screwed into the threaded hole at the end of the insulating sleeve 21, and its inner end is aligned and screwed into the corresponding threaded groove of the insulating extension rod 22 to achieve length fixation. Hold the telescopic insulating rod and adjust the angle of the gantry frame to make it perpendicular to the cable route. Then pull the two sliding rods 52 outward to move the two multi-position clamps 53 away from each other. Place the opened multi-position clamps 53 on the outside of the cable. Release the sliding rods 52. Under the action of the spring 7, the sliding rods 52 will automatically reset and drive the multi-position clamps 53 to move inward and clamp the cable. Repeat the above steps for connecting the cable connection unit and the cable to complete the connection of the second set of cable connection units and the cable. Finally, connect the lug 31 and the connecting ring 24 one by one through the angle positioning screw 34 to lock the angle between the gantry frame and the telescopic insulating rod.

[0031] Example 2: Based on Example 1, such as Figure 1 As shown, wire holes are provided on the side plate 42, and guide wheels 6 are installed on the opposite sides of both side plates 42.

[0032] It also includes two sets of traction mechanisms, which are respectively set for two portal frames. The traction mechanism includes a guide rod 82 and two pull ropes 81. The guide rod 82 is welded and fixed to the top of the guide rail 41, and a pull plate 83 that can slide up and down is sleeved on its outer side. One end of the pull rope 81 is connected to the sliding rod 52, and the other end passes through the wire hole and the guide wheel 6 in sequence and is connected to the pull plate 83. By pulling the pull plate 83 upward, the two sliding rods 52 are moved away from each other under the action of the pull ropes 81 on both sides, realizing one-handed control and making operation more convenient.

[0033] Both the guide rod 82 and the pull plate 83 are made of epoxy resin.

Claims

1. A portable 10kV spacer bar, comprising a telescopic insulating rod and two sets of cable connection units, characterized in that: The retractable insulating rod is provided with insulators at both ends; The cable connection unit includes a gantry frame and two sliding rods. The gantry frame is rotatably connected to one end of the retractable insulating rod and is configured to be locked at multiple angular positions. The two sliding rods are installed inside the portal frame, and a rotatable multi-position clamp is provided in the middle section of the sliding rod; At least one elastic component is installed between the sliding rod and the inner side of the gantry frame.

2. The portable 10kV spacer bar according to claim 1, characterized in that: The retractable insulating rod includes an insulating sleeve and an insulating extension rod slidably disposed within the insulating sleeve. The insulating extension rod has multiple threaded grooves in its groove. The insulating sleeve has a threaded hole at one end corresponding to the insulating extension rod. A locking screw is threaded into the threaded hole, and the inner end of the locking screw is threaded into the corresponding threaded groove. Connecting rings are respectively provided at opposite ends of the insulating sleeve and the insulating extension rod.

3. The portable 10kV spacer bar according to claim 2, characterized in that: The lower end of the gantry frame is fixedly connected to two lugs, and a rotating shaft is rotatably installed between the two lugs. A connecting ring is fitted onto the rotating shaft. Multiple threaded holes are opened around the rotating shaft on the lugs. A through hole is opened on the connecting ring. The same angle positioning screw is installed in the through hole and the two threaded holes to achieve angle locking of the connecting ring and the retractable insulating rod.

4. The portable 10kV spacer bar according to claim 1 or 3, characterized in that: The gantry frame is composed of guide rails and two side plates fixedly connected together.

5. The portable 10kV spacer bar according to claim 4, characterized in that: A slider is fixedly connected to the top of the sliding rod, and the slider is slidably connected to the guide rail.

6. The portable 10kV spacer bar according to claim 1, characterized in that: The multi-position clamp has at least two clamping slots of different sizes to accommodate cables of different diameters.

7. The portable 10kV spacer bar according to claim 4, characterized in that: The elastic component is a spring installed between the sliding rod and the corresponding side plate.

8. The portable 10kV spacer bar according to claim 4, characterized in that: The side plate has a wire hole, and the opposite sides of both side plates are equipped with wire pulleys.

9. The portable 10kV spacer bar according to claim 8, characterized in that: It also includes two sets of traction mechanisms, which are respectively set for the two portal frames. The traction mechanism includes a guide rod and two pull ropes. The guide rod is welded and fixed to the top of the guide rail, and a pull plate that can slide up and down is sleeved on its outer side. One end of the pull rope is connected to the sliding rod, and the other end passes through the wire hole and the guide wheel in sequence and is connected to the pull plate.

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