High-voltage cable comprehensive grounding box

Abstract

The utility model discloses a high-voltage cable comprehensive grounding box, which comprises a cover body, a sealing frame and a box body which are sequentially spliced from front to back, the box body is provided with a supporting plate which is transversely erected, a plurality of limiting devices which are transversely arrayed are arranged through the supporting plate, each limiting device comprises fixing pieces which are arranged on the upper side and the lower side of the supporting plate, and the fixing pieces are arranged on the upper side and the lower side of the supporting plate. Two clamping plates capable of being opened and closed are installed between the two fixing pieces, supporting wings are arranged on the outer sides of the clamping plates, opening and closing mechanisms arranged on the two sides of the two supporting plates are further arranged through the supporting wings, and the opening and closing mechanisms are connected with the supporting wings and used for controlling opening and closing work of the fixing pieces. And limiting protection is carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a high-voltage cable integrated grounding box. Background Art

[0002] With the development of power systems and the acceleration of urbanization, high-voltage cables are widely used in long-distance transmission lines and urban distribution networks due to their large transmission capacity, convenient laying, and small footprint. However, the safe operation of high-voltage cables not only depends on their own insulation performance and mechanical strength, but also requires perfect grounding protection measures. For this reason, high-voltage cable integrated grounding boxes have emerged as an important electrical equipment to achieve reliable grounding of cables and ensure the safety and stability of power systems.

[0003] The existing high-voltage cable integrated grounding box has some problems in practical application. The grounding box structure has a single cable fixing method, which is difficult to adapt to the installation requirements of cables of different specifications and different curvatures, resulting in unstable cable fixing. At the same time, the irregular placement of multiple grounding wires in the box can easily lead to local overheating or entanglement to generate static electricity, which is a safety hazard. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a high-voltage cable integrated grounding box which can adapt to cables of various specifications and sizes and provide position limiting protection for the cables.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a high-voltage cable integrated grounding box, including a cover body, a sealing frame and a box body spliced ​​in sequence from front to back, the box body having a transversely arranged support plate, through which a plurality of limit devices in a transverse array are installed, the limit device comprising a fixing plate arranged on the upper and lower sides of the support plate, two clamping plates that can be opened and closed are installed between the two fixing plates, support wings are arranged on the outer sides of the clamping plates, and an opening and closing mechanism arranged on both sides of the two support plates is also arranged through the support wings, and the opening and closing mechanism is connected to the support wings for controlling the opening and closing of the fixing plates.

[0006] Preferably, the box body is a rectangular cavity structure with an open front end and a hollow interior, and four sides of the front end opening of the box body are provided with embedding holes for installing the sealing cover, and the sealing frame is embedded through the embedding holes.

[0007] Preferably, the sealing frame is a rectangular frame structure of the same size as the front opening of the box body, and clamps corresponding to the mounting holes are provided on four sides of the rear end surface of the sealing frame, and the sealing frame is mounted on the front side of the box body through the clamps.

[0008] Preferably, the fixing plate is connected to the upper and lower sides of the support plate, the front end of the fixing plate is provided with an arc groove, the rear end of the arc groove of the support plate has symmetrically arranged mounting holes, and the clamping plates are installed through the two symmetrically arranged mounting holes.

[0009] Preferably, both the upper and lower ends of the clamp have positioning blocks, and the clamp is connected to the fixing plate mounting holes arranged at the upper and lower ends of the support plate through the positioning blocks, and a movable axis is arranged between the positioning blocks and the mounting holes; the outer side of the clamp is provided with support wings symmetrically arranged up and down, and an opening and closing mechanism is connected through the support wings, and the inner sides of the clamps are arranged as arc structures, and the two clamps form a cylindrical cavity through the inner arc structure, and insulating protrusions are attached to the inner sides of the clamps.

[0010] Preferably, the opening and closing mechanism includes a pull rod, and there are two pull rods. The two pull rods are movably connected to the support wings on the upper and lower sides of the clamp through the middle part respectively. A hydraulic rod is connected between the two pull rod ends. The other end of the hydraulic rod is fixedly connected to the support plate. The hydraulic rod and the support plate form an angle of 45°, and a spring is wrapped around the outside of the hydraulic rod.

[0011] The beneficial effects of the utility model are: 1. The opening and closing mechanism includes components such as a hydraulic rod, a spring and a pull rod. Through the coordinated action of the hydraulic rod and the spring, the opening and closing action of the splint is easy and controllable, which significantly simplifies the installation and disassembly process of the cable, reduces manpower consumption, and improves the operation and maintenance efficiency.

[0012] 2. The limit device includes an openable clamping plate, the inner side of which is an arc-shaped structure, which can be adjusted according to the cable diameter and adapt to cables of different specifications and different curvatures, ensuring that the cables are firmly fixed and in good contact, thus improving the versatility and applicability of the grounding box. The cables are clamped by the insulating protrusions on the inner side of the clamping plate, forming an independent chamber for each cable to prevent static electricity generated by cable entanglement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the sealing frame structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the box structure of the utility model;

[0016] Figure 4 for Figure 3 Schematic diagram of the local structure of A;

[0017] Figure 5 This is a schematic diagram of the clip structure of the utility model.

[0018] Notes in the figure

[0019] 1. Cover; 2. Sealing frame; 201. Clamp; 3. Box; 301. Mounting hole; 4. Support plate; 5. Fixing plate; 6. Clip; 601. Support wing; 602. Positioning block; 603. Insulating protrusion; 7. Pull rod; 8. Hydraulic rod; 801. Spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Combination Figure 1-5 The utility model is a high-voltage cable integrated grounding box, comprising a cover body 1, a sealing frame 2 and a box body 3 which are sequentially spliced ​​from front to back, the box body 3 having a transversely erected support plate 4, through which a plurality of limit devices in a transverse array are installed, the limit devices comprising a fixing plate 5 arranged on the upper and lower sides of the support plate 4, two clamping plates which can be opened and closed are installed between the two fixing plates 5, support wings 601 are arranged on the outer sides of the clamping plates, an opening and closing mechanism arranged on both sides of the two support plates 4 is also arranged through the support wings 601, and the opening and closing mechanism is connected to the support wings 601 for controlling the opening and closing of the fixing plates 5.

[0022] Furthermore, the box body 3 is a rectangular cavity structure with an open front end and a hollow interior. The four sides of the front end opening of the box body 3 are provided with embedding holes 301 for installing the sealing cover, and the sealing frame 2 is embedded through the embedding holes 301.

[0023] Furthermore, the sealing frame 2 is a rectangular frame structure of the same size as the front opening of the box body 3 , and clamps 201 corresponding to the embedding holes 301 are provided on four sides of the rear end surface of the sealing frame 2 , and the sealing frame 2 is embedded in the front side of the box body 3 through the clamps 201 .

[0024] Furthermore, the fixing plate 5 is connected to the upper and lower sides of the support plate 4, the front end of the fixing plate 5 is provided with an arc groove, the rear end of the arc groove of the support plate 4 has symmetrically arranged mounting holes, and the clamping plates are installed through the two symmetrically arranged mounting holes.

[0025] Furthermore, both upper and lower ends of the clamp are provided with positioning blocks 602, and the clamp is connected to the mounting holes of the fixing plate 5 arranged at the upper and lower ends of the support plate 4 respectively through the positioning blocks 602, and a movable axis is arranged between the positioning blocks 602 and the mounting holes; the outer side of the clamp 6 is provided with support wings 601 symmetrically arranged up and down, and an opening and closing mechanism is connected through the support wings 601, and the inner sides of the clamps are arranged as arc structures, and the two clamps form a cylindrical cavity through the inner arc structure, and the inner sides of the clamps are provided with insulating protrusions 603.

[0026] Furthermore, the opening and closing mechanism includes a pull rod 7, and the number of the pull rods 7 is two. The two pull rods 7 are movably connected to the support wings 601 on the upper and lower sides of the clamp 6 through the middle, and a hydraulic rod 8 is connected between the ends of the two pull rods 7. The other end of the hydraulic rod 8 is fixedly connected to the support plate 4. The hydraulic rod 8 forms an angle of 45° with the support plate 4, and a spring 801 is wrapped around the outside of the hydraulic rod 8.

[0027] The opening and closing mechanism includes components such as a hydraulic rod 8, a spring 801 and a pull rod 7. Through the synergistic effect of the hydraulic rod 8 and the spring 801, the opening and closing action of the clamp is easy and controllable, which significantly simplifies the installation and removal process of the cable, reduces manpower consumption, and improves the efficiency of operation and maintenance. The limit device includes an openable clamp, and the inner side of the clamp is an arc-shaped structure, which can be adaptively adjusted according to the cable diameter, and can adapt to cables of different specifications and different curvatures, ensuring that the cable is firmly fixed and in good contact, thereby improving the versatility and scope of application of the grounding box. The cable is clamped by the insulating protrusion 603 on the inner side of the clamp, forming an independent chamber for each cable to prevent static electricity generated by cable entanglement.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-voltage cable integrated grounding box, comprising a cover body (1), a sealing frame (2) and a box body (3) which are sequentially connected from front to back, characterized in that: The box body (3) has a transversely mounted support plate (4), and a plurality of limit devices in a transverse array are installed through the support plate (4). The limit devices include fixed plates (5) arranged on the upper and lower sides of the support plate (4), and two clamping plates that can be opened and closed are installed between the two fixed plates (5). Support wings (601) are arranged on the outer sides of the clamping plates. An opening and closing mechanism is also arranged on both sides of the two support plates (4) through the support wings (601), and the opening and closing mechanism is connected to the support wings (601) for controlling the opening and closing of the fixed plates (5).

2. A high voltage cable integrated grounding box according to claim 1, characterized in that: The box body (3) is a rectangular cavity structure with an open front end and a hollow interior. The four sides of the front end opening of the box body (3) are provided with embedding holes (301) for installing a sealing cover, and the sealing frame (2) is embedded through the embedding holes (301).

3. The high voltage cable integrated grounding box according to claim 1, characterized in that: The sealing frame (2) is a rectangular frame structure having the same size as the front opening of the box body (3); clamping parts (201) corresponding to the embedding holes (301) are arranged on four sides of the rear end surface of the sealing frame (2); and the sealing frame (2) is embedded in the front side of the box body (3) through the clamping parts (201).

4. The high-voltage cable integrated grounding box according to claim 1 is characterized in that: The fixing plate (5) is connected to the upper and lower sides of the support plate (4); the front end of the fixing plate (5) is provided with an arc groove; the rear end of the arc groove of the support plate (4) is provided with symmetrically arranged mounting holes; and clamping plates are installed through the two symmetrically arranged mounting holes.

5. A high voltage cable integrated grounding box according to claim 4, characterized in that: The upper and lower ends of the clamping plate are provided with positioning blocks (602), and the clamping plate is connected to the mounting holes of the fixing plate (5) arranged at the upper and lower ends of the support plate (4) respectively through the positioning blocks (602), and a movable shaft is arranged between the positioning blocks (602) and the mounting holes; the outer side of the clamping plate (6) is provided with support wings (601) arranged symmetrically up and down, and an opening and closing mechanism is connected through the support wings (601), and the inner sides of the clamping plates are arranged as arc structures, and the two clamping plates form a cylindrical cavity through the inner arc structures, and the inner sides of the clamping plates are provided with insulating protrusions (603).

6. A high voltage cable integrated grounding box according to claim 5, characterized in that: The opening and closing mechanism comprises a pull rod (7), wherein there are two pull rods (7), and the two pull rods (7) are movably connected through the support wings (601) on the upper and lower sides of the clamp (6) in the middle, respectively. A hydraulic rod (8) is connected between the ends of the two pull rods (7), and the other end of the hydraulic rod (8) is fixedly connected to the support plate (4). The hydraulic rod (8) and the support plate (4) form an angle of 45°, and a spring (801) is wrapped around the outside of the hydraulic rod (8).

Images