Safe operation device of high-voltage switch cabinet
By designing a safety operation device for high-voltage switchgear, integrating the valve mechanism with the handcart slide rail and equipping it with a locking mechanism, the safety hazards during the maintenance of high-voltage switchgear are solved, enabling convenient disassembly and safe shielding of busbar contacts, and reducing the risk of electric arc injury.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-03-27
AI Technical Summary
During the maintenance of high-voltage switchgear, there are safety hazards when maintenance personnel enter the switchgear compartment to disassemble the switchgear slide rails or valve mechanisms, and the exposed busbar contacts pose a risk of electric arc injury.
A safety operation device for high-voltage switchgear is designed. By integrating the valve mechanism with the handcart slide rail into a single structure and equipping it with a locking mechanism and a T-shaped rail, disassembly and maintenance can be facilitated. The busbar contacts are shielded by a baffle to reduce safety risks.
It enables convenient disassembly and maintenance of high-voltage switchgear, reduces the safety risks for maintenance personnel, and avoids electric arc injuries.
Smart Images

Figure CN224053679U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high -voltage switchgear technical field, specifically is a high -voltage switchgear safety operation device. BACKGROUND
[0002] High -voltage switchgear as the pivot of power grid, distributes electric energy to different areas or equipment as needed, and the handcart room as the important distribution cabinet structure needs to enter the handcart room interior to work when overhauling, and the busbar contact may be touched in this overhauling process, which undoubtedly brings great security risk to the staff, and how to provide a kind of high -voltage switchgear safety operation device that can be conveniently overhauled and disassembled is particularly important. SUMMARY
[0003] The utility model discloses a kind of high -voltage switchgear safety operation device, the maintenance disassembly of handcart slide rail and valve connecting structure can be conveniently, ensure the operation safety of overhaul personnel.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of high -voltage switchgear safety operation device, including handcart slide rail, the handcart slide rail is symmetrically installed at the connecting corner of cabinet body side wall and layer, connecting plate is fixedly connected between two the handcart slide rail, locking mechanism is arranged in the handcart slide rail, vertically fixedly connected with valve mechanism on the upper portion of the tail end of the handcart slide rail, the second stabilizer bar is fixedly connected on the upper end of the valve mechanism, the first stabilizer bar one end is fixedly connected on the upper portion of the front end of the handcart slide rail, the other end of the first stabilizer bar is fixedly connected on the top end one side of the valve mechanism.
[0005] Preferably, the outer wall and the bottom of the handcart slide rail are provided with T-shaped rails and are slidingly connected in T-shaped clamping grooves formed in the cabinet body side wall and the layer.
[0006] Preferably, the handcart slide rail is rotatably connected with a handle at a position corresponding to the front end of the pressing rod, and the handle is rotatably hidden in a groove formed in the handcart slide rail.
[0007] Preferably, a first sliding groove is formed in the cabinet body side wall at a position corresponding to the uppermost T-shaped clamping groove, the first sliding groove is fixedly connected between the front and rear end faces of the first sliding groove, a sliding rod is fixedly connected between the front and rear end faces of the first sliding groove, a sliding piece is slidingly connected to the outside of the sliding rod, end ears are arranged on both sides of the sliding piece, one end of a pull rope is fixedly connected to the outside end ear, the inside end ear is abutted to the tail end of the T-shaped rail, the pull rope is sequentially threaded through a first eyelet nail fixedly connected to the middle of the front side of the cabinet body, a second eyelet nail fixedly connected to the upper end of the front side of the cabinet body, a third eyelet nail fixedly connected to the upper end of the middle of the cabinet body, and enters the inside of the cabinet body through a rope hole formed in the cabinet body, and is fixedly connected to the top end of the baffle by threading through a fourth eyelet nail fixedly connected to the top of the cabinet body.
[0008] Preferably, the baffle is fixed at four corners of a connecting rod, the connecting rod extends horizontally and rearward, and a slide column is fixed outside a tail end of the connecting rod, the slide column is slidably connected inside a second sliding groove, the second sliding groove is fixed to an inner rear wall of the cabinet, and the baffle is located above the valve mechanism.
[0009] Preferably, the locking mechanism comprises a pressing rod, the pressing rod is slidably connected to a first sliding cavity formed in the handcart slide rail, one end of the pressing rod is flush with a front end surface of the handcart slide rail, the other end of the pressing rod is slidably penetrated through a through hole of a clamping block and is fixed to one end of a first spring, the other end of the first spring is fixed to a bottom of the first sliding cavity, one end surface of the clamping block is fixed to one end of a second spring, the other end of the second spring is fixed to a bottom of a second sliding cavity, and the other end of the clamping block is inserted into a locking slot formed in a side wall of the cabinet.
[0010] Preferably, the through hole is in a shape of a right trapezoid, and an inner inclined surface of the through hole is in sliding connection with an inclined surface of a triangular groove formed in the pressing rod.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The utility model discloses a valve mechanism and a handcart slide rail are integrated, and through cooperation of a locking mechanism and a T-shaped rail, the handcart slide rail or the valve mechanism can be conveniently disassembled, repaired or replaced, the situation that a repairer needs to enter a handcart room to disassemble and repair the handcart slide rail or the valve mechanism is changed, the operation safety of the staff is greatly reduced, and when the valve is disassembled, the bus contact is exposed, the baffle is used to shield the bus contact, and the electric arc injury condition from the bus contact is further prevented. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.
[0014] Figure 1 It is the utility model structure perspective view;
[0015] Figure 2 It is the utility model A place amplification structure perspective view;
[0016] Figure 3 It is the utility model B place amplification structure perspective view;
[0017] Figure 4 It is the utility model baffle structure perspective view;
[0018] Figure 5 It is the utility model locking mechanism sectional view.
[0019] In the figure: 1 cabinet body, 101 layer plate, 102 first sliding groove, 103 T-shaped clamping groove, 2 connecting plate, 3 handcart sliding rail, 301 T-shaped rail, 302 first sliding cavity, 303 second sliding cavity, 4 handle, 5 locking mechanism, 501 pressing rod, 5011 triangular groove, 502 first spring, 503 clamping block, 5031 through hole, 504 second spring, 6 sliding rod, 7 sliding sheet, 701 end ear, 8 pull rope, 9 eyelet, 10 baffle, 1001 connecting rod, 1002 sliding column, 11 second sliding groove, 12 first stabilizing rod, 13 flap mechanism, 14 second stabilizing rod. DETAILED DESCRIPTION
[0020] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.
[0021] Please refer to Figures 1-5 A high-voltage switch cabinet safety operating device, comprising a handcart sliding rail 3, the handcart sliding rail 3 is symmetrically installed at the connecting corner of the side wall of the cabinet body 1 and the layer plate 101, a connecting plate 2 is fixedly connected between the two handcart sliding rails 3, a locking mechanism 5 is arranged inside the handcart sliding rail 3, a flap mechanism 13 is vertically fixedly connected to the upper part of the tail end of the handcart sliding rail 3, the upper end of the flap mechanism 13 is fixedly connected to a second stabilizing rod 14, the upper part of the front end of the handcart sliding rail 3 is fixedly connected to one end of a first stabilizing rod 12, and the other end of the first stabilizing rod 12 is fixedly connected to one side of the top end of the flap mechanism 13.
[0022] The outer side wall and the bottom of the handcart sliding rail 3 are provided with a T-shaped rail 301 and are slidingly connected in the T-shaped clamping groove 103 formed in the side wall of the cabinet body 1 and the layer plate 101, so that the installation and disassembly and maintenance operation of the handcart sliding rail 3 can be facilitated.
[0023] The handle 4 is rotatably connected to the front end position of the pressing rod 501 corresponding to the handcart sliding rail 3, the handle 4 can be rotatably hidden in the groove formed in the handcart sliding rail 3, and the handle 4 is arranged to facilitate the handcart sliding rail 3 to be pulled out of the handcart room, and does not affect the closing and opening of the front cabinet door of the cabinet body 1.
[0024] The side wall of the cabinet body 1 corresponds to the position of the uppermost T-shaped clamping groove 103 and is provided with a first sliding groove 102 penetrating in and out, a sliding rod 6 is fixedly connected between the front and rear end faces of the first sliding groove 102, a sliding sheet 7 is slidingly sleeved on the outer side of the sliding rod 6, end ears 701 are arranged on the two sides of the sliding sheet 7, the end ear 701 on the outer side is fixedly connected to one end of a pull rope 8, the end ear 701 on the inner side is abutted to the tail end of the T-shaped rail 301, the other end of the pull rope 8 sequentially penetrates through the eyelet nails 9 fixedly connected to the middle part of the front side of the cabinet body 1, the eyelet nails 9 fixedly connected to the upper end of the front side of the cabinet body 1, the eyelet nails 9 fixedly connected to the upper end of the middle part of the cabinet body 1, and enters the inside of the cabinet body 1 through the rope hole of the cabinet body 1, penetrates through the eyelet nail 9 fixedly connected to the top of the cabinet body 1 again and is finally fixedly connected to the top end of the baffle 10. The busbar contact is exposed after the valve mechanism 13 is disassembled, and the baffle 10 and other connecting structures are matched to synchronously shield the busbar contact again, so as to ensure the safety of operation.
[0025] The baffle 10 is fixedly connected to one end of a connecting rod 1001 at the four corners, the connecting rod 1001 extends horizontally backward and the tail end is fixedly connected with a sliding column 1002 on the outer side, the sliding column 1002 is slidingly connected in the second sliding groove 11, the second sliding groove 11 is fixedly connected to the inner rear wall of the cabinet body 1, and the position of the baffle 10 is located above the valve mechanism 13. The baffle 10 is limited by the second sliding groove 11 at the same time, and does not affect the operation of the valve mechanism 13.
[0026] The locking mechanism 5 includes a pressing rod 501, the pressing rod 501 is slidingly connected in the first sliding cavity 302 provided in the handcart sliding rail 3, one end of the pressing rod 501 is flush with the front end face of the handcart sliding rail 3, the other end of the pressing rod 501 slidingly penetrates through the through hole 5031 provided in the clamping block 503 and is fixedly connected to one end of the first spring 502, the other end of the first spring 502 is fixedly connected to the bottom of the first sliding cavity 302, one end face of the clamping block 503 is fixedly connected to one end of the second spring 504, the other end of the second spring 504 is fixedly connected to the bottom of the second sliding cavity 303, the other end of the clamping block 503 penetrates out of the second sliding cavity 303 and is matched and inserted into the locking groove provided in the side wall of the cabinet body 1, so as to facilitate the installation, locking and disassembly of the handcart sliding rail.
[0027] The through hole 5031 is a right trapezoidal shape, the inner inclined surface of the through hole 5031 is in sliding connection with the inclined surface of the triangular groove 5011 provided in the pressing rod 501, and the relative sliding displacement of the two inclined surfaces is facilitated, so as to unlock the locking mechanism.
[0028] Working principle: when the handcart slide rail 3 or the shutter mechanism 13 inside the handcart room needs to be overhauled, first, press the press rod 501 inward and turn the handle 4 outward to pull the handcart slide rail 3, at the same time, the triangular groove 5011 of the press rod 501 is in sliding contact with the inclined surface of the through hole 5031 of the clamping block 503, and the clamping block 503 is gradually retracted into the second sliding cavity 303 until it is separated from the locking groove on the side wall of the cabinet body 1, at the same time, as the T-shaped rail 301 gradually slides out of the T-shaped clamping groove 103, the sliding sheet 7 is pulled along the sliding rod 6 to the front end of the cabinet body 1 under the action of the pulling rope and the gravity of the baffle 10 without the abutting restriction of the tail end of the T-shaped rail 301, the baffle 10 gradually shields the bus contact again, and then the disassembly and overhaul of the handcart slide rail 3 and the shutter mechanism 13 are completed.
[0029] In the description of the present application, it should be pointed out that, unless otherwise stated, the meaning of "multiple" is two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.
[0030] Although the content of the present application has been described in detail by the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation on the present application. After reading the above content, various modifications and alternatives of the present application will be obvious to those skilled in the art. Therefore, the protection scope of the present application should be defined by the appended claims.
Claims
1. A high voltage switchgear safety operating device, characterized in that: Including handcart slide rail (3), symmetry is installed in the connecting corner of the side wall of cabinet body (1) and layer board (101), the connecting plate (2) is fixedly connected between two handcart slide rails (3), the locking mechanism (5) is arranged in the handcart slide rail (3), the flap mechanism (13) is vertically fixedly connected to the upper portion of the tail end of the handcart slide rail (3), the second stabilizing rod (14) is fixedly connected to the upper end of the flap mechanism (13), the first stabilizing rod (12) is fixedly connected to one end of the upper portion of the front end of the handcart slide rail (3), and the other end of the first stabilizing rod (12) is fixedly connected to one side of the top end of the flap mechanism (13).
2. A high voltage switchgear safety operating device according to claim 1, characterised in that: The outer side wall and the bottom of the handcart slide rail (3) are provided with T-shaped rails (301) and are slidably connected in the T-shaped clamping grooves (103) formed in the side wall of the cabinet body (1) and the layer board (101).
3. A safety operating device for a high voltage switchgear according to claim 1, characterized in that: The handcart slide rail (3) is rotatably connected with a handle (4) at the position corresponding to the front end of the pressing rod (501), and the handle (4) can be rotatably hidden in the groove formed in the handcart slide rail (3).
4. A high voltage switchgear safety operating device according to claim 2, characterised in that: The cabinet body (1) is provided with a first sliding groove (102) penetrating from the inside to the outside at the position corresponding to the uppermost T-shaped clamping groove (103), the first sliding groove (102) is fixedly connected between the front and rear end faces of the sliding rod (6), the sliding rod (6) is slidably sleeved with a sliding sheet (7), the sliding sheet (7) is provided with end ears (701) on both sides, the end ears (701) on the outer side are fixedly connected to one end of the pull rope (8), the end ears (701) on the inner side are abutted to the tail end of the T-shaped rail (301), the other end of the pull rope (8) passes through the eyelet nails (9) fixedly connected to the front middle part of the cabinet body (1), the eyelet nails (9) fixedly connected to the upper end of the front side of the cabinet body (1), the eyelet nails (9) fixedly connected to the upper end of the middle part of the cabinet body (1) in sequence and enters the inside of the cabinet body (1) through the rope hole formed in the cabinet body (1), and then passes through the eyelet nails (9) fixedly connected to the top of the cabinet body (1) and is finally fixedly connected to the top middle part of the baffle (10).
5. A high voltage switchgear safety operating device according to claim 4, characterised in that: The baffle (10) is fixedly connected to one end of the connecting rod (1001), the connecting rod (1001) extends horizontally backward and is fixedly connected with a sliding column (1002) on the tail end of the outer side, the sliding column (1002) is slidably connected in the second sliding groove (11), the second sliding groove (11) is fixedly connected to the inner rear wall of the cabinet body (1), and the position of the baffle (10) is located above the flap mechanism (13).
6. A high voltage switchgear safety operating device according to claim 1, characterized in that: The locking mechanism (5) comprises a pressing rod (501) which is slidingly connected to a first sliding cavity (302) opened in the inside of the handcart slide rail (3), one end of the pressing rod (501) is flush with the front end face of the handcart slide rail (3), the other end of the pressing rod (501) slidingly penetrates through a through hole (5031) opened in the inside of the clamping block (503) and is fixedly connected to one end of the first spring (502), the other end of the first spring (502) is fixedly connected to the bottom of the first sliding cavity (302), one end face of the clamping block (503) is fixedly connected to one end of the second spring (504), the other end of the second spring (504) is fixedly connected to the bottom of the second sliding cavity (303), the other end of the clamping block (503) penetrates out of the outside of the second sliding cavity (303) and is matchedly inserted into the locking slot opened in the side wall of the cabinet body (1).
7. A high voltage switchgear safety operating device according to claim 6, characterised in that: The through hole (5031) is in the shape of a right trapezoid, and the inner inclined surface of the through hole (5031) is in contact with the inclined surface of the triangular groove (5011) opened in the pressing rod (501) in sliding connection.