10 kV ring network filed cabinet

Abstract

The invention discloses a 10kV ring network filed cabinet which comprises a mechanism mounting compartment, a switch air chamber and a cable compartment which are distributed in the front, middle and rear positions. The mechanism installation compartment and the cable compartment are installed on the front side and the rear side of the switch air chamber respectively, so that the height of the whole ring main unit is reduced, convenience is brought to indoor, outdoor and emergency power supply vehicle scenes with the height limited, supporting structures are optimally arranged on the bottom side of the mechanism installation compartment and the bottom side of the switch air chamber, and the structure is simple. The position of the bottom can be changed through the supporting structure, so that the bottom can be flexibly in contact with a supporting surface during installation, the stability of equipment installation and use is guaranteed, the air window structure is optimally arranged on the left side wall of the switch air chamber, the opening position angle can be kept after the air window structure is opened, the interior can be conveniently overhauled, and the maintenance efficiency is improved. And when the internal temperature is high, the exhaust efficiency of the internal temperature can be improved through the transom window structure, and the use safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of ring network cabinets, in particular to a 10kV ring network cabinet. Background Art

[0002] With the rapid development of urban construction, electrical equipment has become an indispensable part of people's lives. The power distribution ring main unit used to install and protect these electrical equipment has been widely used. Among them, the 10KV ring main unit is a power distribution and control equipment for 10KV voltage level.

[0003] At present, Chinese patent application number: CN201620332432.7 discloses a 10kV fully insulated touchable ring network cabinet, including a shell, a gas box and a cable room located at the bottom of the gas box are divided on the inner side of the shell, and a control unit is provided at the top position of the outer side of the shell; wherein, an operation panel is provided on the outer shell of the gas box, and one or more of a busbar, a load switch, a load switch-fuse combination electrical appliance, a circuit breaker-isolating switch combination electrical appliance, and a load switch-fuse combination electrical appliance are provided at the middle position of the inner side of the gas box, and a charging and discharging valve and an explosion-proof device are provided at the inner bottom position of the gas box; at least one inlet and outlet bushing is provided on the inner side of the cable room, and each inlet and outlet bushing is close to the gas box.

[0004] However, the various compartments of the prior art 10kV ring network cabinet are usually installed in a vertical arrangement, and the overall height is relatively large, which is inconvenient to use in height-restricted indoor and outdoor scenarios and emergency power supply vehicle scenarios; and during installation, it is inconvenient to make stable support contact between the upper and lower sides and the connection points, which makes the stability of the equipment poor; and when inspecting and maintaining the inside of the equipment, after the cabinet door is opened, the cabinet door is prone to shaking and then hitting the operator, and when the internal temperature is high, it is inconvenient to improve the internal temperature discharge efficiency, affecting the safety of use. Summary of the invention

[0005] The object of the present invention is to provide a 10kV ring network cabinet to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a 10kV ring network cabinet, comprising a mechanism installation compartment, a switch air chamber and a cable compartment distributed in the front, middle and rear positions, the cable compartment is a high-voltage compartment, the high-voltage point status is displayed by a live display, and the cable compartment is interlocked and locked by an isolation mechanism, the left and right sides of the top of the switch air chamber are fastened with connecting frames, the left top of the switch air chamber is provided with a side extension connecting sleeve, the mechanism installation compartment and the bottom side of the switch air chamber are connected with a support structure, the left side wall of the switch air chamber is provided with an air window structure, the air window structure includes a cover plate hinged to the switch air chamber at the rear left side, a limit assembly connected to the bottom side of the rear of the cover plate, a drive assembly arranged on the left side of the rear of the cover plate, a positioning plate fixed to the upper right side of the drive assembly, a shifting plate connected to the lower right side of the drive assembly and a mesh cover wrapped around the rear side of the positioning plate and the shifting plate, the left end of the limit assembly is fastened to the switch air chamber, and the front side of the mesh cover is fastened to the cover plate.

[0007] Preferably, the support structure includes a support frame, a supporting assembly connected to the top side of the support frame, a turning handle arranged at the right end of the supporting assembly, and a top plate connected to the top side of the supporting assembly, and the left and right sides of the top of the top plate are respectively fastened to the switch air chamber and the mechanism mounting compartment.

[0008] Preferably, the supporting assembly includes a rotating rod whose right end is connected to the rotating handle, a first bracket, a second bracket and a third bracket respectively connected to the right, middle and left sides of the outer surface of the rotating rod, two first support pieces rotatably connected to the front and rear ends of the first bracket, a first bracket rotatably connected to the left side of the first support piece, two second support pieces rotatably connected to the front and rear ends of the second bracket, a connecting rod rotatably connected to the right side of the second support piece, a second bracket rotatably connected to the right side of the connecting rod away from the second support piece, a third support piece rotatably connected to the left end of the connecting rod and a third bracket rotatably arranged on the left side of the connecting rod away from the third support piece, the middle side of the third support piece is connected to the third bracket, the top sides of the first support piece, the second support piece and the third support piece are all connected to the top plate, and the bottoms of the first bracket, the second bracket and the third bracket are all connected to the cushion frame.

[0009] Preferably, the first threaded column and the second threaded column are respectively provided on the right side and the middle side of the outer surface of the rotating rod, the thread directions of the first threaded column and the second threaded column are opposite, the middle sides of the first bracket and the second bracket are both provided with internal thread blocks, and the internal thread block in the middle of the first bracket is threadedly connected to the outer surface of the first threaded column, and the internal thread block in the middle of the second bracket is threadedly connected to the outer surface of the second threaded column.

[0010] Preferably, a rectangular sliding sleeve is provided in the middle of the third bracket, and the left side of the outer surface of the rotating rod penetrates and slides on the inner side of the rectangular sliding sleeve.

[0011] Preferably, the limit assembly includes a positioning plate fastened to the switch air chamber on the right side, a horizontal plate connected to the left side of the top of the positioning plate, a sliding seat rotatably connected to the left side of the top of the horizontal plate, a guide plate sliding through the bottom side of the sliding seat, a pressure block installed on the middle side of the sliding seat, and a cam pressure handle in contact with the middle of the top side of the pressure block, the left and right sides of the guide plate are fastened to the cover plate, the bottom side of the pressure block is in contact with the guide plate, and the cam pressure handle is rotatably connected to the upper middle side of the sliding seat.

[0012] Preferably, an arc-shaped groove is provided on the middle side of the top of the pressing block, and the bottom side of the cam pressing handle is in contact with the arc-shaped groove.

[0013] Preferably, the driving assembly includes a frame fixed to the left rear side of the cover plate, a door-shaped frame fastened to the middle side of the frame cover, a servo motor fastened to the right front side of the door-shaped frame, a gear connected to the output end of the servo motor on the rear side, a rack meshing with the right side of the gear, a limit block slidably connected to the front side of the rack, a moving plate connected to the left side of the rack, and a first slot frame and a second slot frame respectively connected to the upper and lower sides of the rear of the moving plate, the right side of the limit block is fixed to the door-shaped frame, the first slot frame and the second slot frame are respectively embedded in the upper and lower sides of the frame cover, and the upper and lower parts of the rear side of the moving plate respectively pass through the inner sides of the first slot frame and the second slot frame, and the upper and lower sides of the rear of the moving plate are connected to the shift plate.

[0014] Preferably, guide rod frames are provided on both upper and lower sides of the left portion of the rack, and the guide rod frames penetrate and slide on the inner side of the movable sheet.

[0015] Preferably, rollers are provided on both upper and lower sides of the rear of the movable sheet, and the upper and lower rollers are rotatably arranged on the inner sides of the first slot frame and the second slot frame respectively, and the middle sides of the rear parts of the upper and lower rollers are connected to the upper and lower sides of the shift plate respectively.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention installs the mechanism installation compartment and the cable compartment on the front and rear sides of the switch air chamber respectively to reduce the height of the overall ring network cabinet, which is convenient for indoor and outdoor scenes with height restrictions and emergency power supply vehicle scenes, and optimizes the support structure on the bottom side of the mechanism installation compartment and the switch air chamber. The position of the bottom can be changed through the support structure, so that the bottom can be flexibly contacted with the supporting surface during installation to ensure the stability of equipment installation and use, and the air window structure is optimized on the left side wall of the switch air chamber. After the air window structure is opened, the open position angle can be maintained to facilitate internal inspection and maintenance, and when the internal temperature is high, the air window structure can be used to improve the internal temperature discharge efficiency and improve the safety of use.

[0017] The outer surface of the rotating rod of the present invention is respectively provided with a first threaded column and a second threaded column with opposite thread directions on the right side and the middle side, and the middle sides of the first bracket and the second bracket are both provided with internal thread blocks, and the two internal thread blocks are respectively threadedly connected to the outer surfaces of the first threaded column and the second threaded column, so as to drive the first bracket and the second bracket to move closer to or away from each other when the rotating rod rotates, and change the distance height between the top plate and the support frame, so as to facilitate the adjustment of the height position of the support frame, so that the bottom of the support frame can be flexibly contacted with the supporting surface, thereby improving the supporting effect.

[0018] Guide rod frames are provided on the upper and lower sides of the left part of the rack of the present invention, and the guide rod frames penetrate and slide on the inner side of the moving piece to play a role of limiting and guiding the moving piece. Rollers are provided on the upper and lower sides of the rear part of the moving piece, and the upper and lower rollers are rotatably provided on the inner sides of the first slot frame and the second slot frame respectively, and the middle sides of the rear parts of the upper and lower rollers are respectively connected with the upper and lower sides of the shift plate, which is convenient for the moving piece to move laterally and can stably move to the position inside the first slot frame and the second slot frame, so that the shift plate moves upward to the rear side of the positioning plate without obstruction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the support structure of the present invention; Figure 3 This is a schematic diagram of the structure of the support structure of the present invention after the cushion frame is removed; Figure 4 It is a schematic diagram of the structure of the rotating rod connected to the first bracket and the second bracket of the present invention; Figure 5 It is a structural schematic diagram of the air window structure of the present invention; Figure 6 It is a rear view of the air window structure of the present invention; Figure 7 It is a structural schematic diagram of the limit assembly of the present invention; Figure 8 It is a schematic diagram of the structure of the driving assembly of the present invention; Fig. 9 For the present invention Figure 8 A magnified view of the local structure at point A.

[0020] In the figure: mechanism installation compartment-1, switch air chamber-2, cable compartment-3, connecting frame-4, side extension connecting sleeve-5, support structure-6, air window structure-7, cushion frame-61, support assembly-62, turning handle-63, top plate-64, turning rod-621, first bracket-622, second bracket-623, third bracket-624, first support piece-625, first support-626, second support piece-627, connecting rod-628, second support-629, third support piece-6210, third support-62101, first threaded column-621 1. The second threaded column 6212, the cover plate 71, the limit assembly 72, the drive assembly 73, the positioning plate 74, the shift plate 75, the mesh cover 76, the positioning plate 721, the cross plate 722, the slide seat 723, the guide plate 724, the pressure block 725, the cam pressure handle 726, the frame cover 731, the door frame 732, the servo motor 733, the gear 734, the rack 735, the limit block 736, the moving plate 737, the first slot frame 738, the second slot frame 739, the guide rod frame 7351, and the roller 7371. DETAILED DESCRIPTION

[0021] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0022] See also Figure 1 The present invention provides a 10kV ring network cabinet, comprising a mechanism installation compartment 1, a switch air chamber 2 and a cable compartment 3 which are distributed in the front, middle and rear positions, so as to reduce the height of the overall ring network cabinet, which is convenient for indoor and outdoor use and emergency power supply vehicle scenes with limited height. The cable compartment 3 is a high-voltage compartment, and the high-voltage point state is displayed by a live display, and the cable compartment 3 is interlocked and locked by an isolation mechanism to prevent people from mistakenly entering the live interval. A connecting frame 4 is fastened to the left and right sides of the top of the switch air chamber 2, and a side extension connecting sleeve 5 is arranged on the top of the left side of the switch air chamber 2. A support structure 6 is connected to the bottom side of the mechanism installation compartment 1 and the switch air chamber 2, and the position of the bottom can be changed by the support structure 6, so that the bottom can be flexibly contacted with the supporting surface during installation, thereby ensuring the stability of the equipment installation and use. A louver structure 7 is arranged on the left side wall of the switch air chamber 2, and the louver structure 7 can be opened to maintain the open position angle, so as to facilitate the internal maintenance, and when the internal temperature is high, the louver structure 7 can be used to improve the internal temperature discharge efficiency and improve the safety of use.

[0023] See also Figure 1 , Figure 2 , Figure 3 and Figure 4The present invention provides a 10kV ring network cabinet, wherein the support structure 6 comprises a cushion frame 61, a support assembly 62 connected to the top side of the cushion frame 61, a turning handle 63 arranged at the right end of the support assembly 62, and a top plate 64 connected to the top side of the support assembly 62. The left and right sides of the top of the top plate 64 are respectively fastened to the switch air chamber 2 and the mechanism installation compartment 1, so that the support assembly 62 drives the cushion frame 61 and the top plate 64 to move away from or close to each other through the turning handle 63, so that the cushion frame 61 can be in contact with the top plate 64 when the design is installed. The support surface improves the stability of the installation. The support assembly 62 includes a rotating rod 621 whose right end is connected to the turning handle 63, a first bracket 622, a second bracket 623 and a third bracket 624 respectively connected to the right, middle and left sides of the outer surface of the rotating rod 621, so that the rotating rod 621 drives the three brackets to move by rotating the turning handle 63, two first supporting pieces 625 rotatably connected to the front and rear ends of the first bracket 622, a first support 626 rotatably connected to the left side of the first supporting piece 625, and a third bracket 624 rotatably connected to the first bracket 622. The second bracket 623 has two second support pieces 627 at the front and rear ends, a connecting rod 628 rotatably connected to the right side of the second support piece 627, a second support seat 629 rotatably connected to the right side of the connecting rod 628 away from the second support piece 627, a third support piece 6210 rotatably connected to the left end of the connecting rod 628, and a third support seat 62101 rotatably arranged on the left side of the connecting rod 628 away from the third support piece 6210. The middle side of the third support piece 6210 is connected to the third bracket 624. The first support piece 625, The top sides of the second support piece 627 and the third support piece 6210 are connected to the top plate 64, and the bottoms of the first support 626, the second support 629 and the third support 62101 are connected to the cushion frame 61, so that when the first bracket 622, the second bracket 623 and the third bracket 624 are in motion, the three support pieces and the supports are driven to be lifted up or moved closer, thereby changing the distance height between the top plate 64 and the cushion frame 61, so as to facilitate the adjustment of the height position of the cushion frame 61, so that the bottom of the cushion frame 61 can be flexibly contacted with the supporting surface.

[0024] The first and second threaded columns 6211 and 6212 are respectively provided with a first threaded column 6211 and a second threaded column 6212 on the right and middle sides of the outer surface of the rotating rod 621, and the thread directions of the first threaded column 6211 and the second threaded column 6212 are opposite. Internal thread blocks are provided on the middle sides of the first bracket 622 and the second bracket 623, and the internal thread block in the middle of the first bracket 622 is threadedly connected to the outer surface of the first threaded column 6211, and the internal thread block in the middle of the second bracket 623 is threadedly connected to the outer surface of the second threaded column 6212, so that when the rotating rod 621 rotates, the first bracket 622 and the second bracket 623 are driven to move closer to or away from each other, so that the first support piece 625 and the first support 626, the second support piece 627 and the second support 629 are unfolded or folded, and a rectangular sliding sleeve is provided on the middle side of the third bracket 624, and the left side of the outer surface of the rotating rod 621 penetrates and slides on the inner side of the rectangular sliding sleeve, which plays a role of limiting guide, so that the height position of the third bracket 624 is kept level with the first bracket 622 and the second bracket 623, thereby improving the supporting effect.

[0025] See also Figure 1 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 The present invention provides a 10kV ring network cabinet, wherein the air window structure 7 comprises a cover sheet 71 hinged to the switch air chamber 2 at the left rear, a limit assembly 72 connected to the bottom side of the rear of the cover sheet 71, a driving assembly 73 arranged at the left rear of the cover sheet 71, a positioning plate 74 fixed to the upper right side of the driving assembly 73, a shifting plate 75 connected to the lower right side of the driving assembly 73, and a mesh cover 76 wrapped around the rear sides of the positioning plate 74 and the shifting plate 75, wherein the front side of the mesh cover 76 is fastened to the cover sheet 71, so that the shifting plate 75 can be moved by the driving assembly 73. It moves upward to the rear side of the positioning plate 74, thereby increasing the air circulation rate between the inside of the switch air chamber 2 and the external environment. After the shift plate 75 is lifted, the mesh cover 76 plays a shielding and protective role on the rear side to prevent the components in the switch air chamber 2 from being directly exposed to the outside. The left end of the limit assembly 72 is fastened to the switch air chamber 2, so that after the cover plate 71 is opened from the switch air chamber 2, the limit assembly 72 plays a supporting and positioning role, so as to fix the position of the cover plate 71, thereby preventing the cover plate 71 from shaking during maintenance, thereby improving safety of use.

[0026] The limiting assembly 72 includes a positioning piece 721 fastened to the switch air chamber 2 on the right side, a horizontal piece 722 connected to the left side of the top of the positioning piece 721, a slide seat 723 rotatably connected to the left side of the top of the horizontal piece 722, a guide piece 724 that passes through and slides on the bottom side of the slide seat 723, a pressure block 725 installed on the middle side of the inside of the slide seat 723, and a cam pressure handle 726 that contacts the middle part of the top side of the pressure block 725. The left and right sides of the guide piece 724 are fastened to the cover piece 71. When the cover piece 71 is pulled, the slide seat 723 moves on the guide piece 724 so that The cross piece 722 is rotated on the positioning piece 721, so that the stability of the cover 71 after opening is improved by the support of the cross piece 722 on the guide piece 724, the bottom side of the pressing block 725 is in contact with the guide piece 724, and the cam pressing handle 726 is rotatably connected to the middle and upper side of the slide seat 723. An arc groove is provided on the middle side of the top of the pressing block 725, and the bottom side of the cam pressing handle 726 is in contact with the arc groove. By rotating the cam pressing handle 726, the pressing block 725 is pressed against the guide piece 724, and the position of the cover 71 is fixed to prevent the cover 71 from shaking.

[0027] The driving assembly 73 includes a frame cover 731 fixed to the left side of the rear portion of the cover plate 71, a door frame 732 fastened to the middle side of the frame cover 731, a servo motor 733 fastened to the right side of the front portion of the door frame 732, a gear 734 connected to the output end of the rear side of the servo motor 733, a rack 735 meshingly driven on the right side of the gear 734, a limit block 736 slidably connected to the front side of the rack 735, a moving piece 737 connected to the left side of the rack 735, and a plurality of movable pieces 738 connected to the left side of the rack 735. The first slot frame 738 and the second slot frame 739 are connected to the upper and lower sides of the rear part of the moving piece 737, the right side of the limit block 736 is fixed to the door frame 732, the first slot frame 738 and the second slot frame 739 are respectively embedded in the upper and lower sides of the frame cover 731, and the upper and lower parts of the rear side of the moving piece 737 pass through the inner sides of the first slot frame 738 and the second slot frame 739 respectively, and the upper and lower sides of the rear part of the moving piece 737 are connected to the shift plate 75, and the servo motor 733 is used to make The gear 734 drives the rack 735 to make longitudinal displacement in the limit block 736, so that the rack 735 drives the moving piece 737 to make longitudinal displacement. When the moving piece 737 moves upward, it drives the shift plate 75 to move to the rear side of the positioning plate 74, thereby increasing the flow rate of the internal air. Guide rod frames 7351 are provided on the upper and lower sides of the left part of the rack 735, and the guide rod frames 7351 penetrate and slide on the inner side of the moving piece 737 to play a limiting and guiding role for the moving piece 737. Rollers 7371 are provided on the upper and lower sides of the rear part of the moving piece 737, and the upper and lower rollers are respectively rotatably arranged on the inner sides of the first slot frame 738 and the second slot frame 739, and the middle sides of the rear parts of the upper and lower rollers are respectively connected to the upper and lower sides of the shift plate 75, so that the moving piece 737 can move laterally, and can stably move to the position inside the first slot frame 738 and the second slot frame 739, so that the shift plate 75 moves upward to the rear side of the positioning plate 74 without blocking.

[0028] The working principle of the 10kV ring network cabinet of the present invention is as follows: First, the installation compartment 1, the switch air chamber 2 and the cable compartment 3 of the mechanism are installed in the scene of indoor or outdoor or emergency power supply vehicle with limited height through the connecting frame 4 to use the design; Second, after the connection frame 4 is installed, the user rotates the handle 63 to drive the first bracket 622 and the second bracket 623 to move away from each other, so that the first support piece 625 and the first support seat 626, the second support piece 627 and the second support seat 629, and the third support piece 6210 and the third support seat 62101 are spread out, so that the first support seat 626, the second support seat 629 and the third support seat 62101 drive the cushion frame 61 to push downward to contact the installation support surface, thereby ensuring the stability of the device during use; Third, the high voltage live point status is displayed through the live display, and the cable compartment 3 is interlocked and locked through the isolation mechanism to prevent personnel from mistakenly entering the live interval; Fourth, when it is necessary to inspect and maintain the interior, the cover piece 71 is opened and pulled forward. When the cover piece 71 is pulled, the slide seat 723 moves on the guide piece 724 to rotate the cross piece 722 on the positioning piece 721, thereby improving the stability of the cover piece 71 after opening through the support of the cross piece 722 on the guide piece 724. When the cover piece 71 is opened to the required position angle, the cam pressing handle 726 is rotated to press the pressing block 725 on the guide piece 724, so that the slide seat 723 is positioned on the guide piece 724, and the position of the cover piece 71 is fixed to prevent the cover piece 71 from shaking during the inspection and maintenance process; Fifth, when the temperature inside the switch air chamber 2 is too high, the servo motor 733 is controlled to start. Under the action of the servo motor 733, the gear 734 drives the rack 735 to make a longitudinal shift in the limit block 736, so that the rack 735 drives the moving piece 737 to make a longitudinal shift. Guide rod frames 7351 are provided on the upper and lower sides of the left part of the rack 735, and the guide rod frames 7351 penetrate and slide on the inner side of the moving piece 737 so that the moving piece 737 can move laterally, so that the moving piece 737 can be stably moved to the position inside the first slot frame 738 and the second slot frame 739, and the shift plate 75 is moved upward to the rear side of the positioning plate 74. After the shift plate 75 is lifted, the mesh cover 76 plays a shielding and protective role on the rear side, ensuring the air circulation rate between the inside of the switch air chamber 2 and the external environment, and preventing the components in the switch air chamber 2 from being directly exposed to the outside, thereby increasing the heat dissipation efficiency and ensuring the safety of the equipment.

[0029] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A 10 kV ring network cabinet, comprising a mechanism installation compartment (1), a switch air chamber (2) and a cable compartment (3) arranged in front, middle and rear positions, wherein the cable compartment (3) is a high-voltage compartment, a live display is used to display the high-voltage point state, and the cable compartment (3) is interlocked and locked by an isolation mechanism, the left and right sides of the top of the switch air chamber (2) are fastened with a connecting frame (4), and the left top of the switch air chamber (2) is provided with a side extension connecting sleeve (5), characterized in that: It also includes a support structure (6) connected to the bottom side of the mechanism installation compartment (1) and the switch air chamber (2), and an air window structure (7) arranged on the left side wall of the switch air chamber (2), the air window structure (7) including a cover plate (71) hinged to the switch air chamber (2) at the left rear, a limit assembly (72) connected to the bottom side of the rear part of the cover plate (71), a drive assembly (73) arranged on the left side of the rear part of the cover plate (71), a positioning plate (74) fixed to the upper right side of the drive assembly (73), a shifting plate (75) connected to the lower right side of the drive assembly (73), and a mesh cover (76) wrapped around the positioning plate (74) and the shifting plate (75) at the rear side, the left end of the limit assembly (72) is fastened to the switch air chamber (2), and the front side of the mesh cover (76) is fastened to the cover plate (71).

2. A 10kV ring network cabinet according to claim 1, characterized in that: The support structure (6) comprises a cushion frame (61), a support assembly (62) connected to the top side of the cushion frame (61), a turning handle (63) arranged at the right end of the support assembly (62), and a top plate (64) connected to the top side of the support assembly (62), wherein the top left and right sides of the top of the top plate (64) are respectively fastened to the switch air chamber (2) and the mechanism installation compartment (1).

3. A 10kV ring network cabinet according to claim 2, characterized in that: The support assembly (62) comprises a rotating rod (621) whose right end is connected to the rotating handle (63), a first bracket (622) respectively connected to the right side, middle side and left side of the outer surface of the rotating rod (621), a second bracket (623) and a third bracket (624), two first supporting pieces (625) rotatably connected to the front and rear ends of the first bracket (622), a first support seat (626) rotatably connected to the left side of the first supporting piece (625), two second supporting pieces (627) rotatably connected to the front and rear ends of the second bracket (623), a connecting rod (628) rotatably connected to the right side of the second supporting piece (627), and a connecting rod (628) rotatably connected to the connecting rod (628). A second support (629) at the right side away from the second support piece (627), a third support piece (6210) rotatably connected to the left end of the connecting rod (628), and a third support (62101) rotatably arranged at the left side of the connecting rod (628) away from the third support piece (6210), the middle side of the third support piece (6210) is connected to the third bracket (624), the top sides of the first support piece (625), the second support piece (627) and the third support piece (6210) are all connected to the top plate (64), and the bottoms of the first support (626), the second support (629) and the third support (62101) are all connected to the cushion frame (61).

4. A 10kV ring network cabinet according to claim 3, characterized in that: A first threaded column (6211) and a second threaded column (6212) are respectively arranged on the right side and the middle side of the outer surface of the rotating rod (621), and the thread directions of the first threaded column (6211) and the second threaded column (6212) are opposite. An internal thread block is arranged on the middle side of the first bracket (622) and the second bracket (623), and the internal thread block in the middle of the first bracket (622) is threadedly connected to the outer surface of the first threaded column (6211), and the internal thread block in the middle of the second bracket (623) is threadedly connected to the outer surface of the second threaded column (6212).

5. According to claim 3, a 10kV ring network cabinet is characterized in that: A rectangular sliding sleeve is provided at the middle side of the interior of the third bracket (624), and the left side of the outer surface of the rotating rod (621) penetrates and slides on the inner side of the rectangular sliding sleeve.

6. A 10kV ring network cabinet according to claim 1, characterized in that: The limiting assembly (72) comprises a positioning piece (721) fastened to the switch air chamber (2) on the right side, a horizontal piece (722) connected to the left side of the top of the positioning piece (721), a slide seat (723) rotatably connected to the left side of the top of the horizontal piece (722), a guide piece (724) sliding through the bottom side of the slide seat (723), a pressure block (725) installed on the middle side of the inside of the slide seat (723), and a cam pressure handle (726) in contact with the middle part of the top side of the pressure block (725), the left and right sides of the guide piece (724) are fastened to the cover piece (71), the bottom side of the pressure block (725) is in contact with the guide piece (724), and the cam pressure handle (726) is rotatably connected to the upper middle side of the inside of the slide seat (723).

7. A 10kV ring network cabinet according to claim 6, characterized in that: An arc-shaped groove is provided on the middle side of the top of the pressing block (725), and the bottom side of the cam pressing handle (726) is in contact with the arc-shaped groove.

8. The 10kV ring network cabinet according to claim 1, characterized in that: The driving assembly (73) comprises a frame cover (731) fixed to the left side of the rear portion of the cover plate (71), a door frame (732) fastened to the middle side of the frame cover (731), a servo motor (733) fastened to the right side of the front portion of the door frame (732), a gear (734) connected to the output end of the rear side of the servo motor (733), a rack (735) meshingly driven on the right side of the gear (734), a limit block (736) slidably connected to the front side of the rack (735), and a moving plate (736) connected to the left side of the rack (735). 7) and a first slot frame (738) and a second slot frame (739) respectively connected to the upper and lower sides of the rear part of the moving piece (737), the right side of the limit block (736) is fixed to the door frame (732), the first slot frame (738) and the second slot frame (739) are respectively embedded in the upper and lower sides of the interior of the frame cover (731), and the upper and lower parts of the rear side of the moving piece (737) pass through the inner sides of the first slot frame (738) and the second slot frame (739), and the upper and lower sides of the rear part of the moving piece (737) are connected to the shift plate (75).

9. A 10kV ring network cabinet according to claim 8, characterized in that: Guide rod frames (7351) are provided on both upper and lower sides of the left portion of the rack (735), and the guide rod frames (7351) penetrate and slide on the inner side of the movable sheet (737).

10. A 10kV ring network cabinet according to claim 8, characterized in that: The movable plate (737) is provided with rollers (7371) on both upper and lower sides of the rear portion, and the upper and lower rollers are rotatably arranged inside the first slot frame (738) and the second slot frame (739), respectively, and the middle sides of the rear portions of the upper and lower rollers are connected to the upper and lower sides of the shift plate (75) respectively.

Images