Isolation fence for power line repair

By designing an isolation fence for power emergency repair including support pillars, bottom columns and retractable support, the problem of poor support at the bottom of the fence in the prior art is solved, and the stability and isolation effect of the fence are significantly improved.

CN222797215UActive Publication Date: 2025-04-25HUNAN UNIV OF SCI & TECH
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Patent Information

Application Number
CN202421487998.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-25
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The bottom support of the existing isolation fence for power emergency repair is poor, and it is easy to fall when the protective frame is bumped, affecting the isolation effect of the fence.

Method used

An isolation fence is designed including a fence body, a pillar, a base column, a limiting hole, a threaded rod, a cannula, a support block, a positioning groove, a plug rod, a lifting block and a spring telescopic rod. The pulling block is used to move the insertion rod out of the positioning groove, and the support block is pulled to extend outward, thereby supporting and strengthening the fence body and improving fixity and support.

Benefits of technology

The occurrence of lowering the tilt phenomenon when the protective frame is hit is ensured, and the stability and convenience of use of the fence are further improved through pneumatic lifting rods and damping rods.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222797215U_ABST
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Abstract

The isolation fence comprises a fence body, supporting columns are welded to the two sides of the bottom of the fence body, a bottom column is connected to one end of the bottom of each supporting column in an inserted mode, a plurality of limiting holes are formed in the outer wall of one side of each supporting column, and the limiting holes are distributed and arrayed at equal intervals in the vertical direction; according to the isolation fence for power line repair, the fence body is placed below a power line repair position, a lifting block is lifted, an insertion rod is moved out of a positioning groove, and a supporting block is pulled to extend outwards, so that the fence body can be supported and reinforced, the fixity and supporting performance are improved from the bottom, the lifting block is loosened, and under the action of a spring telescopic rod, the fence body can be fixed. When the protective frame is collided, the inserting rods can be inserted into the positioning grooves again, the positions of the supporting blocks are fixed, the situation that the supporting blocks retract to affect the supporting and reinforcing effect is avoided, the phenomenon of toppling over can be reduced when the protective frame is collided, and the isolation effect of the fence is guaranteed.
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Description

Technical Field

[0001] The utility model belongs to the technical field of power emergency repair, and in particular relates to an isolation fence for power emergency repair. Background Art

[0002] During the construction of power projects or power repairs, maintenance work on high-voltage equipment is usually carried out. During power repairs, ladders are usually required to allow maintenance personnel to approach the repair site. At the same time, isolation fences are used to isolate the repair area to prevent passers-by from approaching, thereby ensuring safety.

[0003] Chinese patent CN215407858U discloses an isolation fence for power emergency repair, which proposes "comprising at least one protective frame, wherein one side outer wall of the protective frame is rotatably connected to a connecting column, the other side outer wall of the protective frame is fixedly connected to a rubber opening ring, the side outer wall of the protective frame away from the rubber opening ring is fixedly connected to a fixed block, one side outer wall of the fixed block is provided with a slide groove, and the inner wall of the slide groove is provided with a clamping cap; one side outer wall of one of the protective frames is fixedly connected to a handle; one side outer wall of one of the protective frames is provided with at least two movable legs, and one side outer wall of the two movable legs is provided with a butterfly limit pin", but the bottom support of the prior art is poor, and the protective frame is prone to tipping over when it is collided, affecting the isolation effect of the fence. Therefore, it is necessary to design an isolation fence for power emergency repair. Utility Model Content

[0004] The utility model aims to provide an isolation fence for power emergency repair, which solves the problem in the related art that the bottom support is poor during use, the protective frame is prone to tipping over when a collision occurs, and the isolation effect of the fence is affected.

[0005] A kind of isolation fence for power emergency repair, including a fence body, pillars are welded on both sides of the bottom of the fence body, and a bottom column is inserted at one end of the bottom of the pillar, a plurality of limit holes are opened on the outer wall of one side of the pillar, and the limit holes are arranged equidistantly in the vertical direction, a first threaded rod is installed on one side of the bottom column through a thread, and one end of the first threaded rod extends into the limit hole, insert pipes are welded on the outer walls of both ends of the bottom column, and support blocks are inserted in the insert pipes, a positioning groove is opened on the top end face of the support block, a plug rod is inserted at the top of the plug pipe, and the bottom end of the plug rod is inserted and installed in the inside of the positioning groove, a lifting block is provided at the top end of the plug rod, and spring telescopic rods are provided on both sides of the lifting block, and the bottom end of the spring telescopic rod is welded and fixed to the top of the plug pipe.

[0006] Preferably, the positioning groove is composed of a plurality of hexagonal grooves, the insertion rod is in the shape of a hexagonal column, and the end of the support block away from the insertion tube is corrugated and welded with a diagonal support plate.

[0007] Preferably, a cross bar is welded between the two base columns, and a support plate is welded to the top of the cross bar, a second threaded rod is mounted on the support plate through a screw, and a rocker is welded to one end of the second threaded rod, and a stop plate is provided at the other end of the second threaded rod, limiting rods are welded on both sides of the stop plate, and the other end of the limiting rod passes through the cross bar and is welded to a limiting block.

[0008] Preferably, a pneumatic lifting rod is provided on one side of the pillar, a connecting plate is welded to the outer wall on the other side of the base column, and the telescopic end of the pneumatic lifting rod is welded and fixed to the connecting plate.

[0009] Preferably, a ventilation hole is opened in the center of the fence body, and a partition net is welded inside the ventilation hole.

[0010] Preferably, a movable frame is installed on the top of the fence body through a rotating shaft, and a net bag is provided below the bottom of the movable frame, damping rods are provided around the top of the net bag, and one end of the top of the damping rod is connected to the bottom of the movable frame.

[0011] Preferably, support rods are welded on both sides of the fence body, and a storage groove is provided on the top of the support rod, a vertical rod is installed inside the storage groove through a rotating shaft, two bayonet holes are provided on the bottom end surface of the movable frame, and the tops of the two support rods are respectively inserted into the inside of the two bayonet holes.

[0012] Preferably, the outer contour of the support block fits tightly with the inner contour of the cannula.

[0013] Beneficial effects of the utility model:

[0014] 1. By placing the fence body under the power repair station, lifting the lifting block, moving the plug rod out of the positioning slot, and pulling the support block to extend it outward, the fence body can be supported and reinforced, and the fixation and support can be improved from the bottom. Loosen the lifting block, and under the action of the spring telescopic rod, the plug rod can be reinserted into the positioning slot to fix the position of the support block to prevent the retraction of the support block from affecting the support and reinforcement effect. This method can reduce the occurrence of tipping when the protective frame is hit, thereby ensuring the isolation effect of the fence.

[0015] 2. By shaking the rocker, the second threaded rod can be used to push the back plate to move. The back plate can be used to hold the ladder used for emergency repairs, thereby forming a fixing effect on the bottom of the ladder, which is beneficial to improving the stability of the ladder when maintenance personnel climb. The movement trajectory of the back plate can be limited by the limit rod. By flipping the movable frame, the net bag can be used to form a shield under the power repair site. Waste and other debris cut off during power maintenance can be directly thrown into the net bag, which is convenient for cleaning up the waste later. The damping rod can be used to buffer the net bag when it is under pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall isometric structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model a;

[0018] Figure 3 It is the overall structure schematic diagram b of the utility model;

[0019] Figure 4 for Figure 1 A magnified view of the structure in the middle.

[0020] The components in the figure are marked as follows: 1. Fence body; 2. Support; 3. Bottom column; 4. Limit hole; 5. First threaded rod; 6. Insert pipe; 7. Support block; 8. Positioning slot; 9. Insert rod; 10. Lifting block; 11. Spring telescopic rod; 12. Diagonal support plate; 13. Cross bar; 14. Support plate; 15. Second threaded rod; 16. Rocker; 17. Abutment plate; 18. Limit rod; 19. Limit block; 20. Pneumatic lifting rod; 21. Connecting plate; 22. Ventilation port; 23. Partition net; 24. Movable frame; 25. Net bag; 26. Damping rod; 27. Support rod; 28. Storage slot; 29. ​​Vertical rod; 30. Bayonet. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings, and the advantages and features of the utility model will become clearer with the description. However, it should be understood that the embodiments are only exemplary and do not limit the scope of the utility model.

[0022] It should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", etc. in the claims and specifications of this application document are based on the orientation or positional relationship shown in the drawings, and it is not necessary to understand that the device or component referred to must have a specific orientation, be constructed or operate in a specific orientation.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms such as "fixed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-4As shown, the present embodiment proposes an isolation fence for power emergency repair, including a fence body 1, pillars 2 are welded on both sides of the bottom of the fence body 1, and a bottom column 3 is inserted at one end of the bottom of the pillar 2, a plurality of limiting holes 4 are opened on the outer wall of one side of the pillar 2, and the limiting holes 4 are arranged equidistantly in the vertical direction, a first threaded rod 5 is installed on one side of the bottom column 3 through a thread, and one end of the first threaded rod 5 extends into the limiting hole 4, an insert pipe 6 is welded on the outer walls of both ends of the bottom column 3, and a support block 7 is inserted in the insert pipe 6, a positioning groove 8 is opened on the top end surface of the support block 7, a plug rod 9 is inserted at the top of the plug pipe 6, and the bottom end of the plug rod 9 is inserted and installed in the inside of the positioning groove 8, a lifting block 10 is provided at the top end of the plug rod 9, and elastic springs are provided on both sides of the lifting block 10 A spring telescopic rod 11, one end of the bottom of the spring telescopic rod 11 is welded and fixed to the top of the insert tube 6, the positioning groove 8 is composed of a plurality of hexagonal grooves, the insert rod 9 is in the shape of a hexagonal column, the end of the support block 7 away from the insert tube 6 is corrugated, and a diagonal support plate 12 is welded thereon, and the corrugation can improve the supporting effect of the support block 7 on the fence body 1, and the diagonal support plate 12 can improve the fixing effect of the support block 7, a cross bar 13 is welded between the two bottom columns 3, and a support plate 14 is welded to the top of the cross bar 13, a second threaded rod 15 is installed on the support plate 14 through a screw, and a rocker 16 is welded to one end of the second threaded rod 15, and a stop plate 17 is provided at the other end of the second threaded rod 15, and limit rods 18 are welded on both sides of the stop plate 17, and the other end of the limit rod 18 passes through the cross bar 13, and a limited position block 19 is welded. By shaking the rocker 16, the second threaded rod 15 can be used to push the plate 17 to move. The plate 17 can be used to resist the ladder used for emergency repairs. The moving trajectory of the plate 17 is limited by the limit rod 18. A pneumatic lifting rod 20 is provided on one side of the pillar 2, and a connecting plate 21 is welded to the outer wall of the other side of the bottom column 3, and the telescopic end of the pneumatic lifting rod 20 is welded and fixed to the connecting plate 21. The distance between the bottom column 3 and the fence body 1 can be adjusted by the pneumatic lifting rod 20 and the connecting plate 21. A vent 22 is opened in the center of the fence body 1, and a partition net 23 is welded inside the vent 22. The vent 22 can be used to reduce the contact area between the fence body 1 and the wind, thereby reducing the force of the wind on the fence body 1. A movable frame 24 is installed on the top of the main body 1 through a rotating shaft, and a net bag 25 is provided below the bottom of the movable frame 24. Damping rods 26 are provided around the top of the net bag 25, and one end of the top of the damping rod 26 is connected to the bottom of the movable frame 24. The net bag 25 can form a shield below the power repair site, and the damping rod 26 can be used to buffer when the net bag 25 is under pressure. Support rods 27 are welded on both sides of the fence main body 1, and a storage groove 28 is provided on the top of the support rod 27. A vertical rod 29 is installed inside the storage groove 28 through a rotating shaft. Two bayonet holes 30 are provided on the bottom end surface of the movable frame 24, and the tops of the two support rods 27 are respectively inserted into the inside of the two bayonet holes 30. The vertical rod 29 can be taken out of the storage groove 28 by rotating the support rod 27.The top of the vertical rod 29 is plugged into the bayonet 30 to form a fixing effect, and the outer contour of the support block 7 is closely fitted with the inner contour of the insert 6.

[0025] In this embodiment, the number of fence bodies 1 can be increased according to actual use. When in use, by placing the fence body 1 below the power repair site, lifting the lifting block 10, the insertion rod 9 is moved out of the positioning groove 8, and the support block 7 is pulled to extend it outward, the fence body 1 can be supported and reinforced, and the fixity is improved from the bottom. The lifting block 10 is loosened, and the insertion rod 9 can be reinserted into the positioning groove 8 under the action of the spring telescopic rod 11 to fix the position of the support block 7. The distance between the bottom column 3 and the fence body 1 can be adjusted by pushing the connecting plate 21 downward by the pneumatic lifting rod 20, and the fixing action can be achieved by inserting the first threaded rod 5 into the limiting hole 4. By shaking the rocker 16, the second threaded rod 15 can be used to push the support plate 17 to move, and the support plate 17 can be used to resist the ladder used for emergency repairs, thereby forming a fixing effect on the bottom of the ladder. The moving trajectory of the support plate 17 is limited by the limit rod 18. By flipping the movable frame 24, the net bag 25 can be used to form a shield under the power emergency repair site, and the waste and other debris cut off by the power maintenance can be directly thrown on the net bag 25. The damping rod 26 can be used to buffer the net bag 25 when it is under pressure. By rotating the support rod 27, the vertical rod 29 can be taken out of the storage groove 28, and the top of the vertical rod 29 can be plugged into the bayonet 30, which can form a reinforcement effect on the movable frame 24.

[0026] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An isolation fence for power repair, characterized by: The invention comprises a fence body (1), both sides of the bottom of the fence body (1) are welded with pillars (2), and a bottom pillar (3) is inserted at one end of the bottom of the pillar (2), a plurality of limiting holes (4) are opened on the outer wall of one side of the pillar (2), and the limiting holes (4) are arranged equidistantly in the vertical direction, a first threaded rod (5) is installed on one side of the bottom pillar (3) through a thread, and one end of the first threaded rod (5) extends into the limiting hole (4), and the outer walls of both ends of the bottom pillar (3) are welded with plug-in holes (4). A tube (6) is provided, and a support block (7) is inserted into the insert tube (6), a positioning groove (8) is provided on the top end surface of the support block (7), an insert rod (9) is inserted into the top of the insert tube (6), and the bottom end of the insert rod (9) is inserted and installed in the inside of the positioning groove (8), a lifting block (10) is provided at the top end of the insert rod (9), and spring telescopic rods (11) are provided on both sides of the lifting block (10), and the bottom end of the spring telescopic rod (11) is welded and fixed to the top of the insert tube (6).

2. The isolation fence for power repair according to claim 1 is characterized in that: The positioning groove (8) is composed of a plurality of hexagonal grooves, the insertion rod (9) is in the shape of a hexagonal column, and the end of the support block (7) away from the insertion tube (6) is in a corrugated shape and is welded with a diagonal support plate (12).

3. The isolation fence for power emergency repair according to claim 1 is characterized in that: A cross bar (13) is welded between the two base columns (3), and a support plate (14) is welded to the top of the cross bar (13), a second threaded rod (15) is mounted on the support plate (14) through a threaded screw, and a rocker (16) is welded to one end of the second threaded rod (15), and a stop plate (17) is provided at the other end of the second threaded rod (15), and limiting rods (18) are welded to both sides of the stop plate (17), and the other end of the limiting rod (18) passes through the cross bar (13) and is welded to a limiting block (19).

4. The isolation fence for power emergency repair according to claim 1 is characterized in that: A pneumatic lifting rod (20) is provided on one side of the support column (2), a connecting plate (21) is welded to the outer wall of the other side of the base column (3), and the telescopic end of the pneumatic lifting rod (20) is welded and fixed to the connecting plate (21).

5. The isolation fence for power emergency repair according to claim 1 is characterized in that: A ventilation hole (22) is provided in the center of the fence body (1), and a partition net (23) is welded inside the ventilation hole (22).

6. The isolation fence for power emergency repair according to claim 1 is characterized by: A movable frame (24) is installed on the top of the fence body (1) via a rotating shaft, and a net bag (25) is provided below the bottom of the movable frame (24). Damping rods (26) are provided around the top of the net bag (25), and one end of the top of the damping rod (26) is connected to the bottom of the movable frame (24).

7. The isolation fence for power emergency repair according to claim 6 is characterized by: Support rods (27) are welded on both sides of the fence body (1), and a storage groove (28) is provided on the top of the support rod (27), and a vertical rod (29) is installed inside the storage groove (28) through a rotating shaft. Two bayonet holes (30) are provided on the bottom end surface of the movable frame (24), and the tops of the two support rods (27) are respectively inserted into the inside of the two bayonet holes (30).

8. The isolation fence for power emergency repair according to claim 1 is characterized by: The outer contour of the support block (7) is closely fitted with the inner contour of the cannula (6).

Citation Information

Patent Citations

  • Isolation fence for power line repair

    CN215407858U