Subway substation live-line equipment maintenance area safety protection device

By introducing telescopic components and rotary connectors into the protective device, the problem that the protective device in the prior art cannot adapt to the shape of irregular equipment is solved, and the effective use of space is achieved, ensuring that the normal maintenance and work of other equipment is not affected.

CN223227178UActive Publication Date: 2025-08-15CHINA RAILWAY CONSTR ELECTRIFICATION BUREAU GRP OPERATION MANAGEMENT CO LTD
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Patent Information

Application Number
CN202422545942.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-08-15
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

In the prior art, when the live equipment of substations is maintained, the protective device cannot adapt to the irregular shape of the equipment, resulting in waste of space and affecting the maintenance or work of other equipment.

Method used

The protective plate is combined with the connecting mechanism, including a telescopic assembly and a rotary connector. The telescopic assembly consists of a first connecting plate and a telescopic plate. The flexible adjustment of the protective plate is achieved through the rotary connector to adapt to the irregular device shape.

Benefits of technology

Through the design of rotary connectors, the device can be expanded according to the shape of the equipment, saving space without affecting the maintenance or work of other equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric power overhaul, in particular to a safety protection device for an electrified equipment overhaul area of a subway substation, a plurality of protection plates are connected through a connecting mechanism, the connecting mechanism comprises a telescopic assembly and a rotary connecting piece, and first connecting blocks are arranged on the sides, close to each other, of the two protection plates. The two first connecting blocks are fixedly connected with the telescopic assemblies, and the two telescopic assemblies are rotationally connected through the rotary connecting piece. The two telescopic assemblies are rotationally connected through the rotary connecting piece, when the to-be-overhauled equipment is irregular, the device can expand the range in an equal proportion mode through the rotary connecting piece according to the shape of the irregular equipment, space is saved to a certain degree, and overhauling of other equipment or other work is not affected.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric power maintenance, and more specifically, to a safety protection device for maintenance areas of live equipment in subway substations. Background Art

[0002] Electricity is inseparable from daily production and life, and is one of the indispensable energy sources in the process of social development. A stable energy supply can promote economic development, so it is necessary to ensure the safe production of electricity and the stable supply of energy equipment. Both power generation and power supply equipment belong to the power equipment of the power company. Stable equipment operation can ensure the normal operation of the power system, so the inspection and maintenance of power equipment is very important. During the inspection and maintenance of substations, power outages are generally not carried out. Under normal circumstances, to ensure the safety of inspection and maintenance personnel and prevent them from accidentally touching the live equipment above, it is necessary to ensure that all inspection and maintenance activities are at a height of more than 2 meters below the live equipment.

[0003] Chinese Utility Model Publication No. CN202322813221.8 discloses a safety protection device for the maintenance area of live equipment in a substation, relating to power maintenance equipment. The device comprises a support post, a winding mechanism fixedly mounted on the upper end of the support post, a mechanism housing fixedly mounted on the upper end of the support post, a movable slot formed in the mechanism housing, a drive shaft movably mounted in the movable slot, a winding drum fixedly mounted on the drive shaft, a drive motor fixedly mounted on the upper end of the mechanism housing, a protective cable wound around the winding drum, a connecting ring connected to the protective cable, a warning sign fixedly mounted on the connecting ring, and a support assembly connected to the support post. During use, the support post can be fixed to the maintenance area. After the support post is fixed to the maintenance area, the support rod can be removed and fixed to the maintenance area. The protective cable can then be pulled out and connected to the limiting groove on the support rod, thereby quickly placing the protective cable around the maintenance area to provide protection. However, when the equipment to be repaired is irregular, this prior art still fixes the range to a circle, which wastes space to a certain extent and hinders the maintenance of other equipment or other work. Utility Model Content

[0004] The utility model aims to overcome the problem of wasting space and hindering the maintenance of other equipment or the progress of other work, and aims to provide a safety protection device for the maintenance area of live equipment in a subway substation that can solve the above problem.

[0005] A device includes a protective plate and a connecting mechanism, wherein multiple protective plates are connected by the connecting mechanism, and the connecting mechanism includes a telescopic assembly and a rotating connecting piece. A first connecting block is provided on the side where two protective plates are close to each other, and the two first connecting blocks are fixedly connected to the telescopic assembly. The two telescopic assemblies are rotationally connected by the rotating connecting piece.

[0006] Furthermore, the two telescopic components are arranged opposite to each other, and the telescopic components include a first connecting plate and a telescopic plate. The telescopic plate is sleeved in the first connecting plate, and the telescopic plate and the first connecting plate are slidably and fixedly connected.

[0007] Furthermore, the telescopic assembly also includes a first screw rod, a first through hole is opened at the top of the junction of the first connecting plate and the telescopic plate, the first screw rod passes through the first through hole and first nuts are provided at the upper and lower ends.

[0008] Furthermore, the rotating connecting member is a torsion shaft, and a connecting rod is fixedly provided at one end of the torsion shaft close to the two first connecting blocks, and the connecting rod is fixedly connected to the first connecting blocks.

[0009] Furthermore, it also includes a diagonal support mechanism, which includes a diagonal support rod and a disc base. The diagonal support rod is slidably fixed on both sides of the protective plate, and the disc base is fixed at the bottom of the diagonal support rod.

[0010] Furthermore, the diagonal bracing mechanism also includes limiting bolts, a first slide groove is provided on both sides of the protective plate, a slider is provided on the top of the diagonal bracing rod, the slider is slidably placed in the first slide groove, a second connecting plate is fixedly provided on the slider, and the second connecting plate is fixedly connected to the protective plate through limiting bolts.

[0011] Furthermore, it also includes a supporting mechanism, which includes a column, a hydraulic cylinder and a fixed base. The column is fixedly connected to the protective plate, the column is fixedly connected to the hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected to the fixed base.

[0012] Furthermore, it also includes a locking mechanism, which includes a cylinder, a second connecting block is provided on the side of the columns away from each other, a circular through hole is opened on the second connecting block, and a third connecting block is movably and fixedly provided on the other column, and the bottom of the third connecting block is fixedly connected to the cylinder.

[0013] Furthermore, the locking mechanism also includes a second screw, a second slide groove is opened on the column, second through holes are opened on both sides of the second slide groove, the third connecting block is placed in the second slide groove, the second screw passes through the second through hole and the third connecting block, and second nuts are set at both ends.

[0014] Furthermore, reflective strips are fixedly provided on the sides of the protective plate, and wheels are fixedly provided on the bottom of the protective plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. Compared with the existing technology, the safety protection device for the maintenance area of live equipment in a subway substation of the present invention cooperates with each other through a protective plate, a telescopic assembly and a rotating connector. The telescopic assembly includes a first connecting plate and a telescopic plate. The telescopic plate is sleeved in the first connecting plate. The telescopic plate is slidably and fixedly connected in the first connecting plate. The two telescopic assemblies are arranged opposite to each other and are rotatably connected by a rotating connector. When the equipment to be repaired is irregular, the device can expand the range proportionally according to the shape of the irregular equipment through the rotating connector, which saves space to a certain extent and does not affect the maintenance of other equipment or the progress of other work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of the safety protection device for the live equipment maintenance area of the subway substation.

[0019] Figure 2 It is a schematic diagram of the overall structure of the connecting mechanism in the utility model.

[0020] Figure 3 It is a partial structural diagram of the diagonal bracing mechanism in the utility model.

[0021] Figure 4 It is a schematic diagram of the overall structure of the support mechanism in the utility model.

[0022] Figure 5 The utility model is a partial structural diagram of the safety protection device for the live equipment maintenance area of a subway substation.

[0023] In the figure: 1. protective plate; 101. first slide groove; 2. connecting mechanism; 201. telescopic assembly; 2011. first connecting plate; 2012. telescopic plate; 2013. first through hole; 2014. first screw; 2015. first nut; 202. first connecting block; 203. rotating connecting piece; 3. diagonal support mechanism; 301. diagonal support rod; 302. slider; 303. disc base; 304. second connecting plate; 305. limiting bolt; 4. supporting mechanism; 401. column; 402. second slide groove; 403. second through hole; 404. hydraulic cylinder; 405. fixed base; 5. locking mechanism; 501. second connecting block; 502. circular through hole; 503. third connecting block; 504. cylinder; 505. second screw; 506. second nut; 6. reflective strip. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0025] like Figure 1 As shown, the safety protection device for the live equipment maintenance area of the subway substation in this embodiment includes a protective plate 1, a connecting mechanism 2, a diagonal bracing mechanism 3, a supporting mechanism 4 and a locking mechanism. Multiple protective plates 1 are connected by the connecting mechanism 2, the diagonal bracing mechanism 3 is arranged on the side of the protective plate 1, and the supporting mechanism 4 is arranged at the end away from each other of the head and tail protective plates 1.

[0026] like Figure 2 As shown, the connection mechanism 2 of the safety protection device for the live equipment maintenance area of the subway substation in this embodiment includes a telescopic component 201, a first connecting block 202 and a rotating connector 203. The telescopic component 201 includes a first connecting plate 2011, a first screw 2014 and a telescopic plate 2012. The telescopic plate 2012 is sleeved in the first connecting plate 2011. A first through hole 2013 is opened on the top of the junction of the first connecting plate 2011 and the telescopic plate 2012. The first screw 2014 passes through the first through hole 2013 and is provided with first nuts 2015 at the upper and lower ends. The first connecting block 202 is welded on the side where the two protective plates 1 are close to each other. The two first connecting blocks 202 are both welded to the telescopic component 201. The two telescopic components 201 are rotatably connected by the rotating connector 203. Specifically, the rotating connector 203 is a torsion shaft. A connecting rod is welded on one end of the torsion shaft close to the two first connecting blocks 202, and the connecting rod is welded to the first connecting block 202.

[0027] like Figure 3 As shown, the diagonal bracing mechanism 3 of the safety protection device for the live equipment maintenance area of the subway substation in this embodiment includes a limiting bolt 305, a diagonal bracing rod 301 and a disc base 303. First slide grooves 101 are provided on both sides of the protective plate 1. A slider 302 is welded on the top of the diagonal bracing rod 301. The slider 302 is slidably placed in the first slide groove 101. A second connecting plate 304 is welded on the slider 302. The second connecting plate 304 is bolted to the protective plate 1 through a limiting bolt 305. The disc base 303 is welded at the bottom of the diagonal bracing rod 301.

[0028] like Figure 4As shown, the support mechanism 4 of the safety protection device for the live equipment maintenance area of the subway substation in this embodiment includes a column 401, a hydraulic cylinder 404 and a fixed base 405. The column 401 is welded to the protective plate 1, the column 401 is welded to the hydraulic cylinder 404, and the output end of the hydraulic cylinder 404 is welded to the fixed base 405.

[0029] like Figure 1 、 5 As shown, the locking mechanism 5 of the safety protection device for the maintenance area of live equipment in the subway substation in this embodiment includes a cylinder 504 and a second screw 505. A second connecting block 501 is welded on one side of the columns 401 away from each other, and a circular through hole 502 is opened on the second connecting block 501. A third connecting block 503 is movably welded on the other column 401. The third connecting block 503 is welded to the cylinder 504. A second connecting block 501 is welded on one side of the columns 401 away from each other, and a circular through hole 502 is opened on the second connecting block 501. shaped through hole 502, a third connecting block 503 is movably welded on the other column 401, the bottom of the third connecting block 503 is welded to the cylinder 504, a second slide groove 402 is opened on the column 401, and second through holes 403 are opened on both sides of the second slide groove 402, the third connecting block 503 is placed in the second slide groove 402, the second screw 505 passes through the second through hole 403 and the third connecting block 503 and second nuts 506 are set at both ends, a reflective strip 6 is bonded to the side of the protective plate 1, and a wheel is welded at the bottom of the protective plate 1.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. 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 safety protection device for live equipment maintenance area in a subway substation, characterized by: The invention comprises a protective plate (1) and a connecting mechanism (2), wherein a plurality of the protective plates (1) are connected via the connecting mechanism (2), wherein the connecting mechanism (2) comprises a telescopic assembly (201) and a rotating connecting member (203), wherein a first connecting block (202) is provided on a side where two protective plates (1) are close to each other, wherein the two first connecting blocks (202) are fixedly connected to the telescopic assembly (201), and the two telescopic assemblies (201) are rotationally connected via the rotating connecting member (203).

2. A safety protection device for live equipment maintenance area in a subway substation according to claim 1, characterized in that: The two telescopic assemblies (201) are arranged opposite to each other, and the telescopic assemblies (201) include a first connecting plate (2011) and a telescopic plate (2012). The telescopic plate (2012) is sleeved inside the first connecting plate (2011), and the telescopic plate (2012) and the first connecting plate (2011) are slidably fixedly connected.

3. A safety protection device for live equipment maintenance area in a subway substation according to claim 2, characterized in that: The telescopic assembly (201) further comprises a first screw rod (2014); a first through hole (2013) is provided at the top of the portion where the first connecting plate (2011) and the telescopic plate (2012) meet; the first screw rod (2014) passes through the first through hole (2013) and is provided with first nuts (2015) at both ends.

4. A safety protection device for live equipment maintenance area in a subway substation according to claim 3, characterized in that: The rotating connecting member (203) is a torsion shaft, and a connecting rod is fixedly provided at one end of the torsion shaft close to the two first connecting blocks (202), and the connecting rod is fixedly connected to the first connecting blocks (202).

5. The safety protection device for live equipment maintenance area in a subway substation according to claim 1 is characterized by: It also includes a diagonal bracing mechanism (3), the diagonal bracing mechanism (3) including a diagonal bracing rod (301) and a disc base (303), the diagonal bracing rod (301) being slidably fixedly arranged on both sides of the protective plate (1), and the disc base being fixedly arranged at the bottom of the diagonal bracing rod (301).

6. A safety protection device for live equipment maintenance area in a subway substation according to claim 5, characterized in that: The diagonal bracing mechanism (3) further includes a limiting bolt (305), first sliding grooves (101) are provided on both sides of the protective plate (1), a slider (302) is provided on the top of the diagonal bracing rod (301), the slider (302) is slidably placed in the first sliding groove (101), a second connecting plate (304) is fixedly provided on the slider (302), and the second connecting plate (304) is fixedly connected to the protective plate (1) via the limiting bolt (305).

7. The safety protection device for live equipment maintenance area in a subway substation according to claim 1 is characterized by: The invention also includes a support mechanism (4), wherein the support mechanism (4) includes a column (401), a hydraulic cylinder (404) and a fixed base (405), wherein the column (401) is fixedly connected to the protective plate (1), the column (401) is fixedly connected to the hydraulic cylinder (404), and the output end of the hydraulic cylinder (404) is fixedly connected to the fixed base (405).

8. A safety protection device for live equipment maintenance area in a subway substation according to claim 7, characterized in that: The invention also includes a locking mechanism (5), wherein the locking mechanism (5) includes a cylinder (504), a second connecting block (501) is provided on a side of the columns (401) that is away from each other, a circular through hole (502) is provided on the second connecting block (501), and a third connecting block (503) is movably and fixedly provided on the other column (401), and the bottom of the third connecting block (503) is fixedly connected to the cylinder (504).

9. A safety protection device for live equipment maintenance area in a subway substation according to claim 8, characterized in that: The locking mechanism (5) further includes a second screw (505), a second chute (402) is provided on the column (401), second through holes (403) are provided on both sides of the second chute (402), a third connecting block (503) is placed in the second chute (402), the second screw (505) passes through the second through hole (403) and the third connecting block (503), and second nuts (506) are provided at the left and right ends.

10. The safety protection device for live equipment maintenance area in a subway substation according to claim 5, characterized in that: A reflective strip (6) is fixedly provided on the side of the protective plate (1), and wheels are fixedly provided on the bottom of the protective plate (1).

Citation Information

Patent Citations

  • Safety protection device for electrified equipment maintenance area of transformer substation

    CN221627826U