CN115693418A - Closed all-insulation looped network switch equipment - Google Patents

Abstract

The utility model relates to a closed all-insulation ring network switch device, which relates to the technical field of power transmission and distribution equipment and comprises a cabinet, wherein the cabinet comprises a frame, a side plate, a back plate, a panel, a base and a cover plate; the back plate is connected with the frame; the two side plates are respectively and rotatably connected with the two side walls of the back plate; the panel is rotationally connected with the frame; limiting parts for limiting the rotation of the side plates or the panel are arranged between the two side plates and the frame and between the panel and the frame; the base is connected with the bottom surface of the back plate; the cover plate is connected with the top surface of the back plate and the frame; the side plates, the back plate, the face plate, the base and the cover plate are all connected with insulating plates; the insulating plate is connected with a mounting plate. This application has the effect of easy to assemble electrical equipment.

Description

Closed all-insulation looped network switch equipment

Technical Field

The application relates to the technical field of power transmission and distribution equipment, in particular to a closed type all-insulation looped network switch device.

Background

The ring network switch equipment is a group of high-voltage switch equipment which is arranged in a steel plate metal cabinet body or is made into electrical equipment of an assembled interval ring network power supply unit, and the core part of the ring network switch equipment adopts a load switch and a fuse, so that the ring network switch equipment has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely used in distribution stations and box-type substations of load centers such as urban residential districts, high-rise buildings, large public buildings, factories and enterprises.

The current looped network switchgear is usually a cabinet-shaped structure, and comprises a cover plate, a panel, a base, a back plate and side plates, wherein the side plates are symmetrically arranged, the side plates are respectively and fixedly connected with the cover plate and the base, the back plate is respectively and fixedly connected with the cover plate and the base, and the panel is rotatably connected with the side plates. When the electrical equipment needs to be installed in the ring network switch equipment, the panel is rotated, the ring network switch equipment is opened, and then the installation is carried out in the ring network switch equipment.

In view of the above related patents, the inventor believes that only the panel of the existing ring network switch device can be opened when the electrical device is installed, and people need to insert half of their bodies into the ring network switch device during installation, which is very inconvenient to install.

Disclosure of Invention

In order to solve the problem of inconvenience in installation, the application provides a closed all-insulated looped network switchgear.

The application provides a closed all insulation looped netowrk switchgear adopts following technical scheme:

a closed all-insulation ring network switch device comprises a cabinet, wherein the cabinet comprises a frame, side plates, a back plate, a panel, a base and a cover plate;

the back plate is connected with the frame;

the two side plates are respectively and rotatably connected with the two side walls of the back plate;

the panel is rotationally connected with the frame;

limiting parts used for limiting the rotation of the side plates or the panel are arranged between the two side plates and the frame and between the panel and the frame;

the base is connected with the bottom surface of the back plate;

the cover plate is connected with the top surface of the back plate, and the cover plate is connected with the frame;

the side plates, the back plate, the panel, the base and the cover plate are all connected with insulating plates;

and the insulating plate is connected with a mounting plate.

Generally, a side plate of the ring network switch device is fixedly connected with a cover plate and a base, when the electrical equipment is installed, an installer needs to insert a half body into the ring network switch device for installation, and the installation is very inconvenient; by adopting the technical scheme, the panel and the side plates are respectively connected with the frame in a rotating manner, and when the electrical equipment is installed, the panel and the side plates are opened in a rotating manner, so that the installation space of installation personnel is increased, the inconvenience degree of installation is reduced, and the electrical equipment is convenient to install.

Preferably, the mounting plate connected with the panel and the mounting plate connected with the side plate are both connected with rotating pieces;

the curb plate with between the frame, the panel with all be provided with the telescopic link between the frame, telescopic link one end with outer frame attach, the telescopic link other end with it connects to rotate the piece.

Generally, the panel and the side plates are respectively connected with the frame through hinges, and a large gap is generated at the joint of the hinges, so that the sealing property and the insulating property of the looped network switch equipment are damaged; through adopting above-mentioned technical scheme, through telescopic link connection panel and curb plate, when opening curb plate and panel, earlier curb plate and panel remove to the direction of keeping away from the apron, rotating curb plate and panel, and then open curb plate and panel, and when closing curb plate and panel, because the junction of curb plate and panel needs to rotate, so reduced the rotation space between curb plate and the panel junction, and then increased looped netowrk switchgear's seal and insulating nature.

Preferably, the side plate and the panel are respectively provided with a supporting seat, and the supporting seats are detachably connected with the side plate and the panel respectively.

When the side plate and the panel are rotated and opened, the center of gravity of the whole looped network switch device is changed, and the supporting position of the whole looped network switch device is the base, so that the looped network switch device is unstable to place and is easy to incline due to the change of the center of gravity; through adopting above-mentioned technical scheme, after opening curb plate and panel, at a supporting seat of curb plate and bottom bolted connection of panel, support looped netowrk switchgear, reduced the possibility that looped netowrk switchgear emptys.

Preferably, the mounting plate is connected with a support frame for placing the support seat.

Usually, the supporting seat is placed in a tool box, and the supporting seat needs to be taken out of the tool box every time the panel and the side plate are opened, so that the working process is complicated; by adopting the technical scheme, the support frame is arranged on the support frame of the support seat house, the support frame is arranged on the installation plate, and when the panel and the side plate are opened at each time, the support seat is only required to be taken from the support frame without being taken into a tool box, so that the installation process is simplified, and the installation is convenient.

Preferably, insulation posts are arranged between the cabinet and the insulation plate and between the insulation plate and the mounting plate, and insulation gaps are formed between the cabinet and the insulation plate and between the insulation plate and the mounting plate by the insulation posts.

Generally, the ring network switch equipment is insulated by only one layer of insulating plate, so that the insulating effect is poor; through adopting above-mentioned technical scheme for form insulating clearance between rack and the insulation board, form insulating clearance between insulation board and the installation version, form dual insulation, increased insulating effect.

Preferably, the limiting part comprises a hook, a limiting spring and a columnar switch;

the columnar switch penetrates through the cover plate and the mounting plate connected with the cover plate, and is connected with the hook;

the outer peripheral wall of the columnar switch is connected with a fixing ring;

the limiting spring is sleeved on the outer wall of the columnar switch, one end of the limiting spring is connected with the fixing ring, and the other end of the limiting spring is connected with the mounting plate;

the mounting plate connected with the side plate and the mounting plate connected with the panel are both provided with limiting grooves, and the limiting grooves are matched with the hooks;

the mounting plate is connected with a guide inclined block.

Through adopting above-mentioned technical scheme, when closing panel and curb plate, the couple meets with the direction sloping block, under the guide effect of direction sloping block, moves to the direction of keeping away from the apron, and the spacing spring is stretched to the couple entering into the spacing inslot completely, and panel and curb plate are by the couple restriction rotation.

Preferably, the connecting column peripheral wall is connected with a limiting ring, and the limiting ring is located the apron top.

When the panel and the side plate need to be opened, the columnar switch needs to be pressed, and the columnar switch is easily pressed into a gap between the cover plate and the insulating plate due to excessive force, so that the columnar switch cannot be taken out; through adopting above-mentioned technical scheme, be connected with the spacing ring at the upper end of column switch, when pressing the column switch downwards, the spacing ring carries on spacingly to the column switch, makes the column switch can not pressed and gets into in the gap between apron and the insulation board.

Preferably, the rotating part comprises a rotating frame and a rotating shaft, the rotating frame is connected with the rotating shaft, and the rotating frame is connected to the side wall of the telescopic rod;

the pivot with be provided with the connecting plate between the mounting panel, connecting plate one end is connected with the pivot, the connecting plate other end is connected with the mounting panel.

Through adopting above-mentioned technical scheme, when needs rotate panel and curb plate, the pivot drives the connecting plate and rotates, and then drives panel or curb plate and rotate, and then realizes opening and closing of panel or curb plate.

Preferably, the side plates, the back plate and the face plate surround to form a connecting layer, and the cabinet comprises a plurality of connecting layers stacked up and down;

a connecting strip is arranged between the adjacent connecting layers

The connecting ring is connected with a connecting column;

the cover plate is arranged on the top surface of the connection layer at the topmost layer, and the connection strip is also arranged between the connection layer at the topmost layer and the cover plate;

the base is arranged on the bottom surface of the connecting layer at the bottommost layer, and the connecting layer at the bottommost layer is connected with the base;

the insulating plate is made of elastic materials;

the insulating plate is provided with a connecting blind hole, and the connecting blind hole is in interference fit with the connecting column;

the connecting column penetrates through the mounting plate connected with the cover plate and is inserted into the connecting blind hole.

The space of the ring network switch equipment is fixed, the number of the installed electric equipment is also fixed, if the internal space of the ring network switch equipment is full, and then the electric equipment is needed to be installed, new ring network switch equipment is needed, but if the number of the electric equipment which is continuously installed is not large, the internal space of the ring network switch equipment is wasted; by adopting the technical scheme, when the electrical equipment needs to be continuously installed, the new connecting layer is added between the adjacent connecting layers to enlarge the internal space of the ring network switch equipment, so that the electrical equipment continues to be installed, and the waste of the internal space of the ring network switch equipment is reduced.

Preferably, the back plate is provided with heat dissipation holes.

Electrical equipment during operation in looped netowrk switchgear can produce the heat, if the heat distributes away in time, can lead to the softening of circuit, and then leads to the condition such as electric leakage to take place, through adopting above-mentioned scheme, distributes away the heat that electrical equipment work produced through the louvre, reduces looped netowrk switchgear inner space's heat, reduces the soft possibility of circuit, increases electrical equipment's life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the panel and the side plates are respectively connected with the frame in a rotating way, and when the electrical equipment is installed, the panel and the side plates are opened in a rotating way, so that the installation space of installation personnel is enlarged, the inconvenience degree of installation is reduced, and the electrical equipment is convenient to install;

2. the telescopic rod is used for connecting the panel and the side plate, when the side plate and the panel are opened, the side plate and the panel move towards the direction far away from the cover plate, the side plate and the panel are rotated, and then the side plate and the panel are opened, and when the side plate and the panel are closed, the connecting part of the side plate and the panel needs to rotate, so that the rotating gap between the connecting part of the side plate and the panel is reduced, and the sealing property and the insulating property of the looped network switch equipment are improved;

3. when the electrical equipment needs to be continuously installed, a new connecting layer is added between the adjacent connecting layers to enlarge the internal space of the ring network switch equipment, so that the electrical equipment continues to be installed, and the waste of the internal space of the ring network switch equipment is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of a closed type all-insulated looped network switchgear according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a closed type all-insulated looped network switchgear according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Description of the reference numerals: 1. a cabinet; 11. a frame; 12. a side plate; 13. a back plate; 14. a panel; 15. a base; 16. a cover plate;

2. a limiting member; 21. hooking; 22. a limiting spring; 23. a columnar switch; 231. a fixing ring; 232. a limiting ring;

3. an insulating plate; 31. an insulating column; 32. connecting the blind holes;

4. mounting a plate; 41. a limiting groove; 42. a guide oblique block;

5. a rotating member; 51. a rotating frame; 52. a rotating shaft; 53. a connecting plate;

6. a telescopic rod;

7. a support frame; 71. supporting seat

8. A connection layer;

9. a connecting strip; 91. connecting columns;

100. and (4) radiating holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses closed all insulation looped netowrk switchgear.

Referring to fig. 1, a closed all insulation looped netowrk switchgear, including rack 1, rack 1 includes frame 11, curb plate 12, backplate 13, panel 14, base 15 and apron 16, and base 15 level is placed on the horizon, and frame 11 bottom surface and 15 up end bolted connection of base, backplate 13 and frame 11 bolted connection, backplate 13 bottom surface and base 15 welding. The back plate 13 is provided with a plurality of heat dissipation holes 100.

Referring to fig. 2 and 3, mounting plates 4 are respectively arranged on a side plate 12, a back plate 13, a panel 14, a base 15 and a cover plate 16, insulating plates 3 are respectively arranged between the mounting plates 4 and the side plate 12, the back plate 13, the panel 14, the base 15 and the cover plate 16, the insulating plates 3 are made of rubber, insulating columns 31 are arranged between the insulating plates 3 and the mounting plates 4, one ends of the insulating columns 31 are connected with the insulating plates 3, the other ends of the insulating columns 31 are connected with the mounting plates 4, insulating columns 31 are also respectively arranged between the insulating plates 3 and the side plate 12, the back plate 13, the panel 14, the base 15 and the cover plate 16, and insulating gaps are respectively formed between the cabinet 1 and the insulating plates 3 and between the insulating columns 31 and the mounting plates 4.

Referring to fig. 2, the upper end of the frame 11 is bolted with a plurality of telescopic rods 6, six in this embodiment. Be provided with between telescopic link 6 and the mounting panel 4 and rotate piece 5, rotate piece 5 and include rotating turret 51 and pivot 52, and the 6 extension ends of a plurality of telescopic links all are connected with rotating turret 51, and pivot 52 rotates and connects on rotating turret 51, and mounting panel 4, the mounting panel 4 of being connected with panel 14 of being connected with curb plate 12 all have welded connecting plate 53, and connecting plate 53 welds with pivot 52. The mounting plate 4 connected with the side plate 12 and the mounting plate 4 connected with the panel 14 are welded with the support frames 7, and the support frames 7 are clamped with the support seats 71. Threaded holes are formed in the bottom surfaces of the panel 14 and the side plate 12, and the supporting seat 71 is matched with the threaded holes.

Referring to fig. 2 and 4, the top surface of the back plate 13 is provided with a connecting strip 9, and a plurality of connecting posts 91 are integrally formed on the top surface and the bottom surface of the connecting strip 9, wherein the number of the connecting posts 91 is two in the embodiment. The top surface of the insulating plate 3 connected with the back plate 13 is provided with a connecting blind hole 32, the insulating plate 3 connected with the cover plate 16 is also provided with a connecting blind hole 32, the mounting plate 4 connected with the cover plate 16 is provided with a through hole, the connecting column 91 connected with the bottom surface of the connecting strip 9 is inserted into the connecting blind hole 32 on the insulating plate 3 connected with the back plate 13, and the connecting blind hole 32 and the connecting column 91 are in interference fit. The connection post 91 connected with the top surface of the connection strip 9 is inserted into the connection blind hole 32 of the insulation plate 3 connected with the cover plate 16 through the through hole. Limiting pieces 2 used for limiting the rotation of the side plates 12 or the panel 14 are arranged between the two side plates 12 and the frame 11 and between the panel 14 and the frame 11.

When electrical equipment needs to be installed in the closed type all-insulation looped network switch device, the limiting parts 2 for controlling the rotation of the side plates 12 are opened, two hands respectively hold two side edges of the side plates 12, the side plates 12 are forcibly moved towards the direction away from the back plate 13, the telescopic rods 6 are extended until the telescopic rods 6 stop extending, the side plates 12 are rotated towards the direction away from the cover plate 16, at the moment, the side plates 12 rotate to drive the connecting plates 53 to rotate, and then the rotating shafts 52 are driven to rotate. The panel 14 is also opened by opening the stopper 2 for rotation of the control panel 14 in the manner described above. After the two side plates 12 and the panel 14 are opened, the supporting seats 71 are respectively taken down from the two supporting frames 7, the two supporting seats 71 are respectively screwed in the threaded holes on the bottom surfaces of the panel 14 and the side plates 12, so that the supporting seats 71 are contacted with the bottom surfaces, and the electrical equipment is installed in the closed type all-insulation looped network switch equipment.

Referring to fig. 1, the limiting member 2 has a plurality of, three in this embodiment, the limiting member 2 includes a hook 21, a limiting spring 22 and a column switch 23, the column switch 23 penetrates through the cover plate 16 and the mounting plate 4 connected to the cover plate 16, the column switch 23 is welded to the hook 21, a fixing ring 231 and a limiting ring 232 are integrally formed on the outer peripheral wall of the column switch 23, the limiting ring 232 is located at the upper end of the cover plate 16, the fixing ring 231 is located at the lower end of the cover plate 16, the limiting spring 22 is disposed between the mounting plate 4 connected to the cover plate 16 and the fixing ring 231, the limiting spring 22 is sleeved on the outer wall of the column switch 23, one end of the limiting spring 22 is welded to the mounting plate 4, and the other end of the limiting spring 22 is welded to the fixing ring 231.

Referring to fig. 2, the mounting plate 4 connected to the side plate 12 and the mounting plate connected to the panel 14 are both provided with a limiting groove 41, and the limiting groove 41 is adapted to the hook 21. The mounting plate 4 connected with the side plate 12 and the mounting plate connected with the panel 14 are welded with guide inclined blocks 42, the guide inclined blocks 42 incline downwards, and the lower ends of the guide inclined blocks 42 are connected with the inner side wall of the limiting groove 41.

After the electrical equipment is installed, the panel 14 is rotated towards the direction close to the cover plate 16 until the panel 14 is parallel to the back plate 13, then the panel 14 is pushed to enable the panel 14 to move towards the direction close to the cover plate 16 until the guide inclined block 42 is connected with the hook 21, the panel 14 is continuously pushed, and the hook 21 moves downwards under the guide effect of the guide inclined block 42 again to enable the limiting spring 22 to stretch. After the hook 21 enters the limiting groove 41, the limiting spring 22 is restored to drive the fixing ring 231 to move upwards, so as to drive the hook 21 and the columnar switch 23 to move upwards, so that the hook 21 is completely inserted into the limiting groove 41 and is limited by the limiting groove 41, so that the panel 14 is limited, and the panel 14 is limited to rotate. The closing process of the side panels 12 is identical to that described above.

When the panel 14 or the side plate 12 needs to be opened, the columnar switch 23 is pressed down, the fixing ring 231 and the hook 21 move downwards, the limiting spring 22 is stretched, the hook 21 is disengaged from the limiting groove 41, and then the panel 14 or the side plate 12 moves towards the direction away from the cover plate 16.

Referring to fig. 1 and 4, a side plate 12, a back plate 13 and a face plate 14 surround to form a connection layer 8, and the cabinet 1 includes a plurality of connection layers 8 stacked up and down, where the number of the connection layers 8 is three in this embodiment. Also be provided with connecting strip 9 between the articulamentum 8, connecting strip 9 top surface and ground also are connected with spliced pole 91, have also seted up on the insulation board 3 between the adjacent articulamentum 8 and have connected blind hole 32, spliced pole 91 with be connected blind hole 32 interference fit. The base 15 is arranged on the bottom surface of the connecting layer 8 at the bottommost layer, and the connecting layer 8 at the bottommost layer is welded with the base 15. The cover plate 16 is arranged on the top surface of the topmost connecting layer 8, the connecting strip 9 is also arranged between the topmost connecting layer 8 and the cover plate 16, a through hole is formed in the mounting plate 4 connected with the cover plate 16, the connecting column 91 penetrates through the through hole to be inserted into the connecting blind hole 32, and the topmost connecting layer 8 is connected with the cover plate 16 through the connecting strip 9.

When the internal space of the closed type all-insulation ring network switch device is filled with the electrical equipment, and the electrical equipment needs to be continuously installed in the closed type all-insulation ring network switch device, the uppermost connecting layer 8 is held by two hands, the uppermost connecting layer 8 is moved in the direction away from the base 15, the connecting column 91 is pulled out of the connecting blind hole 32 at the moment, the uppermost connecting layer 8 is separated from the other connecting layers 8, a new connecting layer 8 is taken out, and the connecting column 91 is inserted into the corresponding connecting blind hole 32, so that the new connecting layer 8 is matched with the connecting layer 8 in principle. The removed uppermost connecting layer 8 is placed at the upper end of the rejoined connecting layer 8, and the connecting column 91 is inserted into the corresponding connecting hole, so that the uppermost connecting layer 8 is matched with the new connecting layer 8. At this time, the connection layer 8 forms a new cabinet 1, the size of the new cabinet 1 is larger than that of the original cabinet 1, and then the panel 14 or the cover plate 16 is opened to continue to install the electrical equipment.

The implementation principle of the closed all-insulation looped network switch equipment in the embodiment of the application is as follows: confirm the quantity of the electrical equipment that needs the installation earlier, and then confirm how many articulamentings 8 that need splice, install the bottom of the articulamenting 8 of bottom layer again through connecting strip 9 to base 15 again, install the apron 16 again through connecting strip 9 on the top surface of the articulamenting 8 of top layer, and then form a whole cabinet body.

When the electrical equipment is installed, the column switch 23 is pressed down to disengage the hook 21 from the limiting groove 41, the side plate 12 and the panel 14 are moved in the direction away from the cover plate 16 to extend the telescopic rod 6, and the side plate 12 and the panel 14 are rotated in the direction away from the cover plate 16 until the telescopic rod 6 stops extending, so that the electrical equipment can be installed.

After the electrical equipment is installed, the side plate 12 and the face plate 14 are rotated towards the direction close to the cover plate 16 until the face plate 14 is parallel to the back plate 13 and the side plate 12 is perpendicular to the back plate 13, then the side plate 12 and the face plate 14 are moved towards the direction close to the cover plate 16 until the hook 21 is connected with the guide inclined block 42, the hook 21 is moved downwards under the guide effect of the guide inclined block 42 until the hook 21 is completely inserted into the limiting groove 41, and at the moment, the face plate 14 and the side plate 12 are limited by the hook 21 to rotate.

When the electrical equipment is installed and maintained, the side plates 12 and the panel 14 can be completely unfolded, so that the installation and maintenance of the electrical equipment are convenient for a user.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a closed all insulation looped netowrk switchgear, includes rack (1), its characterized in that: the cabinet (1) comprises a frame (11), side plates (12), a back plate (13), a panel (14), a base (15) and a cover plate (16);

the back plate (13) is connected with the frame (11);

the number of the side plates (12) is two, and the two side plates (12) are respectively and rotatably connected with two side walls of the back plate (13);

the panel (14) is rotatably connected with the frame (11);

limiting parts (2) used for limiting the rotation of the side plates (12) or the panel (14) are arranged between the two side plates (12) and the frame (11) and between the panel (14) and the frame (11);

the base (15) is connected with the bottom surface of the back plate (13);

the cover plate (16) is connected with the top surface of the back plate (13), and the cover plate (16) is connected with the frame (11);

the side plates (12), the back plate (13), the face plate (14), the base (15) and the cover plate (16) are all connected with insulating plates (3);

and the insulating plate (3) is connected with a mounting plate (4).

2. The closed type all-insulated looped network switch equipment according to claim 1, characterized in that: the mounting plate (4) connected with the panel (14) and the mounting plate (4) connected with the side plate (12) are both connected with a rotating piece (5);

curb plate (12) with between frame (11), panel (14) with all be provided with telescopic link (6) between frame (11), telescopic link (6) one end with frame (11) are connected, telescopic link (6) the other end with rotate piece (5) and connect.

3. The closed type all-insulated looped network switch equipment according to claim 2, characterized in that: the side plate (12) and the panel (14) are respectively provided with a supporting seat (71), and the supporting seats (71) are detachably connected with the side plate (12) and the panel (14) respectively.

4. The enclosed all-insulated looped network switchgear of claim 3, characterized in that: the mounting plate (4) is connected with a support frame (7) for placing the support seat (71).

5. The closed type all-insulated looped network switchgear according to claim 1, characterized in that: insulating columns (31) are arranged between the cabinet (1) and the insulating plate (3) and between the insulating plate (3) and the mounting plate (4), and insulating gaps are formed between the cabinet (1) and the insulating plate (3) and between the insulating plate (3) and the mounting plate (4) by the insulating columns (31) respectively.

6. The closed type all-insulated looped network switch equipment according to claim 1, characterized in that: the limiting piece (2) comprises a hook (21), a limiting spring (22) and a columnar switch (23);

the cylindrical switch (23) penetrates through the cover plate (16) and the mounting plate (4) connected with the cover plate (16), and the cylindrical switch (23) is connected with the hook (21);

the outer peripheral wall of the columnar switch (23) is connected with a fixing ring (231);

the limiting spring (22) is sleeved on the outer wall of the columnar switch (23), one end of the limiting spring (22) is connected with the fixing ring (231), and the other end of the limiting spring (22) is connected with the mounting plate (4);

limiting grooves (41) are formed in the mounting plate (4) connected with the side plate (12) and the mounting plate (4) connected with the panel (14), and the limiting grooves (41) are matched with the hooks (21);

the mounting plate (4) is connected with a guide inclined block (42).

7. The enclosed all-insulated looped network switchgear of claim 6, characterized in that: be connected with spacing ring (232) on column switch (23) periphery wall, spacing ring (232) are located apron (16) top.

8. The closed type all-insulated looped network switchgear according to claim 2, characterized in that: the rotating piece (5) comprises a rotating frame (51) and a rotating shaft (52), the rotating frame (51) is connected with the rotating shaft (52), and the rotating frame (51) is connected to the side wall of the telescopic rod (6);

the pivot (52) with be provided with connecting plate (53) between mounting panel (4), connecting plate (53) one end is connected with pivot (52), the connecting plate (53) other end is connected with mounting panel (4).

9. The closed type all-insulated looped network switchgear according to claim 1, characterized in that: the side plates (12), the back plate (13) and the face plate (14) surround to form a connecting layer (8), and the cabinet (1) comprises a plurality of connecting layers (8) which are stacked up and down;

a connecting strip (9) is arranged between the adjacent connecting layers (8)

The connecting ring is connected with a connecting column (91);

the cover plate (16) is arranged on the top surface of the connecting layer (8) at the topmost layer, and the connecting strip (9) is also arranged between the connecting layer (8) at the topmost layer and the cover plate (16);

the base (15) is arranged on the bottom surface of the connecting layer (8) at the bottommost layer, and the connecting layer (8) at the bottommost layer is connected with the base (15);

the insulating plate (3) is made of elastic materials;

the insulating plate (3) is provided with a connecting blind hole (32), and the connecting blind hole (32) is in interference fit with the connecting column (91);

the connecting column (91) penetrates through the mounting plate (4) connected with the cover plate (16) and is inserted into the connecting blind hole (32).

10. The closed type all-insulated looped network switch equipment according to claim 1, characterized in that: the back plate (13) is provided with heat dissipation holes (100).

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