Novel power distribution network fault isolation and reclosing device
By designing a new type of distribution network fault isolation and reclosing device with a built-in reclosing and fault isolation unit, the problems of device loosening and falling off and rainwater erosion are solved, improving equipment stability and safety and ensuring power grid reliability.
Patent Information
- Application Number
- CN202520261045.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing power distribution network fault isolation and reclosing devices are prone to loosening and falling off when installed at heights, leading to equipment damage and safety hazards. They are also susceptible to rainwater erosion, affecting the reliability and safety of the power grid.
A novel fault isolation and reclosing device is designed, comprising a housing and a limit device. The reclosing body and the fault isolation body are built into the housing, and the limit device and bolts are used to fix it to the utility pole to prevent loosening and falling. An inclined baffle is used to prevent rainwater erosion.
It effectively protects equipment from rainwater erosion, prevents it from falling from heights, improves equipment stability, and ensures power grid safety and personnel safety.
Smart Images
Figure CN223884942U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the electric power supply technical field, specifically related to a new type distribution network fault isolation and reclosing device. BACKGROUND
[0002] In modern society, the reliability and stability of power supply are very important for industrial production, resident life and the normal operation of society, and the distribution network as an important part of the power system directly faces the end user, and its reliability directly affects the power quality of the user.
[0003] With the rapid economic development and the continuous progress of society, the user's demand for power supply reliability is higher and higher, however, the distribution network is complex in structure, widely distributed, and the operating environment is relatively poor, and is easily affected by various factors and fails, such as lightning, short circuit, equipment aging, external damage, etc., once the distribution network fails, not only will it cause the user to power off, affect the production and life, but also may cause damage to the power equipment, increase the maintenance cost.
[0004] In order to prevent the above situation, the fault isolation and reclosing device is usually installed on the equipment, which can improve the reliability of power supply of the distribution network, when installing the fault isolation and reclosing device, the staff climbs high altitude operation and fixes it on the frame of the electric pole through the bolt, the bolt is easy to loosen and fall off in the long-term use process, after the bolt falls off, the fault isolation and reclosing device is easy to fall directly from the high altitude, which affects the distribution network and may cause life threat to the pedestrians and animals below, and the reclosing device is easy to be damaged by rain and other erosion for a long time exposed in the air. UTILITY MODEL CONTENTS
[0005] In order to solve the above technical problems, a technical scheme adopted by the utility model is: a new type distribution network fault isolation and reclosing device is provided, which comprises a box body, the lower surface of the box body is movably connected with a frame, the side surface of the box body is fixedly connected with a mounting plate, the upper surface of the mounting plate is movably connected with a bolt, the side surface of the bolt is threadedly connected with a nut, the side inner wall of the box body is provided with a reclosing body, and the upper surface of the frame is provided with a limiting hole;
[0006] The fault isolation body is located in the drawer, the bottom inner wall of the box body is provided with a sliding groove, the sliding groove is movably connected with a sliding block, the bottom inner wall of the box body is movably connected with a limiting device, the limiting device comprises a half clamping block, a half ball fixedly connected with the lower surface of the half clamping block and a clamping groove arranged on the side surface of the half clamping block.
[0007] By the technical scheme, the reclosing body and the fault isolation body are installed in the box, and then the box is installed on the frame, so that the reclosing body and the fault isolation body can be protected, rainwater erosion in use is avoided, damage is avoided, the limiting device and the limiting hole on the bottom inner wall of the box can limit the position of the box placed on the frame, bolt loosening and falling is avoided, the box falling from the sky is avoided, and the reclosing body and the fault isolation body falling from the sky are avoided.
[0008] The utility model further sets up, the bolt passes through the frame, the lower surface of frame is contacted with nut.
[0009] Through the technical scheme, the mounting plate and the frame are fixedly connected together through the bolt and the nut.
[0010] The utility model further sets up, the shape of slider and sliding slot is all inverted T type, one end of slider is fixedly connected with half block.
[0011] Through the technical scheme, the slider can displace in the sliding slot, and the displacement of the half block is guided.
[0012] The utility model further sets up, the upper surface of half block is fixedly connected with vertical board, the side surface of vertical board is fixedly connected with spring.
[0013] Through the technical scheme, the spring resets after the half ball passes through the limiting hole, pushes the half block and the half ball reset, and then the edge of the limiting hole is clamped into the clamping groove, the position of the box is limited by the limiting device, falling from the sky is avoided, and workers are not needed to hold when installing the bolt, so that the installation process is safer.
[0014] The utility model further sets up, the number of half block, slider, half ball and vertical board is two and symmetrically set up.
[0015] The utility model further sets up, the diameter of two half balls after contact is less than the diameter of limiting hole by 0.2mm, the side surface of one vertical board is fixedly connected with guide post, and the other vertical board is movably connected with the guide post.
[0016] The utility model further sets up, the side surface of box is provided with outlet, the side inner wall of box is fixedly connected with inclined baffle, and the front surface of box is provided with box door.
[0017] Through the technical scheme, the outlet is used for guiding the connected line out of the device, the inclined baffle can block the rainwater entering the device and guide the rainwater out of the device, and the rainwater is prevented from entering the box.
[0018] The utility model further sets up, the lateral surface of box is fixedly connected with horizontal plate, the upper surface of horizontal plate is provided with the reserved hole, the installation position of horizontal plate is located above the outlet.
[0019] Through the above technical scheme, the reserved hole on the horizontal plate is used for passing through the carrying rope, and then the staff carries the device to the back to climb, and the horizontal plate can shield rainwater during use.
[0020] The utility model has the advantages that:
[0021] The box is used for installing and protecting the reclosing body and the fault isolation body, and the reclosing body and the fault isolation body are wrapped, which can effectively avoid the erosion of external rainwater. The box and the frame are fixedly connected by the limiting device, the mounting plate, the bolt and the nut, and the limiting device can limit the position of the box, avoiding the box from falling directly from the sky after the bolt loosens and falls off after long-term use, which can cause damage to the device, affect the use of the power grid, and threaten the safety of the personnel and animals below. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is a first perspective view of the novel power distribution network fault isolation and reclosing device of the utility model;
[0023] Figure 2 is a second perspective view of the novel power distribution network fault isolation and reclosing device of the utility model;
[0024] Figure 3 is a box internal structure schematic view of the novel power distribution network fault isolation and reclosing device of the utility model;
[0025] Figure 4 is Figure 3 is an enlarged view of A in figure;
[0026] Figure 5 is a limiting device schematic view of the novel power distribution network fault isolation and reclosing device of the utility model;
[0027] Figure 6 is a partial structure schematic view of the novel power distribution network fault isolation and reclosing device of the utility model.
[0028] Reference signs: 1, box; 2, frame; 3, limiting hole; 4, mounting plate; 5, bolt; 6, nut; 7, reclosing body; 8, sliding groove; 9, sliding block; 10, half clamping block; 11, vertical plate; 12, spring; 13, hemisphere; 14, clamping groove; 15, drawer; 16, fault isolation body; 17, inclined baffle; 18, outlet; 19, horizontal plate. DETAILED DESCRIPTION
[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0030] like Figure 1 - Figure 6 As shown, a novel power distribution network fault isolation and reclosing device according to this embodiment includes a housing 1, a frame 2 movably connected to the lower surface of the housing 1, a mounting plate 4 fixedly connected to the side surface of the housing 1, a bolt 5 movably connected to the upper surface of the mounting plate 4, a nut 6 threadedly connected to the side surface of the bolt 5, the bolt 5 penetrating the frame 2, and the lower surface of the frame 2 contacting the nut 6. The mounting plate 4 and the frame 2 are fixedly connected together by the bolt 5 and the nut 6.
[0031] The inner side wall of the housing 1 is provided with a reclosing body 7, and the upper surface of the frame 2 is provided with a limit hole 3. The reclosing body 7 is installed inside the housing 1, and the housing 1 shields it from rain and the impact of flying animals, protecting the reclosing body 7 from damage caused by rainwater erosion and external impact during use.
[0032] The fault isolation body 16 has a drawer 15 on the inner side wall of the housing 1. The fault isolation body 16 is located inside the drawer 15, and the drawer 15 protects the fault isolation body 16. The bottom inner wall of the housing 1 has a slide groove 8. A slider 9 is slidably connected inside the slide groove 8. The slider 9 moves within the slide groove 8, thereby guiding the movement of the semi-clamping block 10.
[0033] The bottom inner wall of the housing 1 is movably connected to a limiting device. The limiting device includes a half-block 10, a hemisphere 13 fixedly connected to the lower surface of the half-block 10, and a groove 14 provided on the side surface of the half-block 10. The slider 9 and the groove 8 are both inverted T-shaped, and one end of the slider 9 is fixedly connected to the half-block 10.
[0034] The limiting device is used to limit the position of the box 1 on the frame 2. When the box 1 is installed on the frame 2, the hemisphere 13 is aligned with the limiting hole 3 and pressed down. After the two hemispheres 13 are squeezed and displaced in opposite directions, they pass through the limiting hole 3. The spring 12 returns to its original position and pushes the half-block 10 and the hemisphere 13 back to their original positions. The edge of the limiting hole 3 is inserted into the slot 14. At this time, the limiting device limits the position of the box 1. When screwing in the bolt 5 and nut 6, the staff does not need to take their hands out to support the box 1. When installing the bolt 5, there is no need to worry about the box 1 falling from a height. After long-term use, even if the bolt 5 loosens and falls off, the limiting device will still limit the box 1 to prevent it from falling from a height, which could damage the device, affect the use of the power grid, and threaten the safety of people and animals below.
[0035] The upper surface of the half clamping block 10 is fixedly connected with a vertical plate 11, the side surface of the vertical plate 11 is fixedly connected with a spring 12, the number of the half clamping block 10, the sliding block 9, the half ball 13 and the vertical plate 11 is two and symmetrically arranged, the diameter of the two half balls 13 after being contacted is smaller than the diameter of the limiting hole 3 by 0.2mm, so that the half ball 13 can smoothly pass through the limiting hole 3, the side surface of one of the vertical plates 11 is fixedly connected with a guide column, and the side surface of the other vertical plate 11 is movably connected with the guide column.
[0036] The side surface of the box body 1 is provided with a wire outlet 18 in a penetrating mode, the wire outlet 18 is used for passing out a connecting wire, the side inner wall of the box body 1 is fixedly connected with an inclined baffle 17, the inclined baffle 17 shields and guides rainwater, so that rainwater is prevented from entering the box body 1, the front surface of the box body 1 is provided with a box door 20, the box door 20 is made of transparent plastic, the inside condition can be observed from the outside, and the internal device is prevented from falling after the box door 20 is closed.
[0037] The side surface of the box body 1 is fixedly connected with a horizontal plate 19 in a symmetrical mode, the upper surface of the horizontal plate 19 is provided with a reserved hole in a penetrating mode, the reserved hole is used for passing through a bearing rope, a staff member bears the device on the back through the bearing rope, the horizontal plate 19 can shield rainwater when raining in use, and the mounting position of the horizontal plate 19 is located above the wire outlet 18.
[0038] The working principle of the utility model is as follows: the box door 20 is opened on the ground, the coincidence gate body 7 is installed in the box body 1, the drawer 15 is pulled out, the fault isolation body 16 is placed in the drawer 15, the box door 20 is closed, the bearing rope is passed through the reserved hole on the horizontal plate 19, the staff member bears the device to climb, when reaching the frame 2 of the wire pole, the limiting device is aligned with the limiting hole 3 on the frame 2, the device is pressed downward, the half ball 13 and the half clamping block 10 are oppositely displaced under the extrusion of the limiting hole 3, the half ball 13 passes through the limiting hole 3, the spring 12 resets and pushes the half ball 13 to reset, at this moment, the limiting hole 3 edge of the frame 2 is clamped into the clamping groove 14, at this moment, the mounting plate 4 and the frame 2 are fixedly connected together through the bolt 5 and the nut 6.
[0039] The above only describes the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation in the utility model specification and the attached drawings, or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.
Claims
1. A new type of power distribution network fault isolation and reclosing device, comprising a box (1), characterized in that: The lower surface of the box (1) is movably connected with a frame (2), the side surface of the box (1) is fixedly connected with a mounting plate (4), the upper surface of the mounting plate (4) is movably connected with a bolt (5), the side surface of the bolt (5) is threadedly connected with a nut (6), the side inner wall of the box (1) is provided with a reclosing body (7), the upper surface of the frame (2) is provided with a limiting hole (3). A fault isolation body (16) is arranged in the drawer (15), the bottom inner wall of the box (1) is provided with a sliding groove (8), the sliding groove (8) is movably connected with a sliding block (9), the bottom inner wall of the box (1) is movably connected with a limiting device, the limiting device comprises a half clamping block (10), a half ball (13) fixedly connected with the lower surface of the half clamping block (10) and a clamping groove (14) arranged on the side surface of the half clamping block (10).
2. A novel power distribution network fault isolation and reclosing device according to claim 1, characterized in that, The bolt (5) penetrates the frame (2), and the lower surface of the frame (2) is in contact with the nut (6).
3. A novel power distribution network fault isolation and reclosing device according to claim 1, characterized by, The sliding block (9) and the sliding groove (8) are both inverted T-shaped, and one end of the sliding block (9) is fixedly connected with the half clamping block (10).
4. A novel power distribution network fault isolation and reclosing device according to claim 1, characterized by, The upper surface of the half clamping block (10) is fixedly connected with a vertical plate (11), and the side surface of the vertical plate (11) is fixedly connected with a spring (12).
5. A novel power distribution network fault isolation and reclosing device according to claim 4, characterized by, The number of the half clamping block (10), the sliding block (9), the half ball (13) and the vertical plate (11) is two and symmetrically arranged.
6. A novel power distribution network fault isolation and reclosing device according to claim 4, characterized by, The diameter of the two half balls (13) after being in contact is 0.2mm smaller than the diameter of the limiting hole (3), one side surface of one of the vertical plates (11) is fixedly connected with a guide column, and the other vertical plate (11) is movably connected with the guide column.
7. A novel power distribution network fault isolation and reclosing device as claimed in claim 1, wherein, The side surface of the box (1) is provided with a wire outlet (18), the side inner wall of the box (1) is fixedly connected with an inclined baffle (17), and the front surface of the box (1) is provided with a box door (20).
8. A novel power distribution network fault isolation and reclosing device according to claim 1, characterized by, The side surface of the box (1) is symmetrically fixedly connected with a horizontal plate (19), the upper surface of the horizontal plate (19) is provided with a reserved hole, and the mounting position of the horizontal plate (19) is located above the wire outlet (18).