CN116207653A

CN116207653A - Inflatable breaker cabinet

Info

Publication number: CN116207653A
Application number: CN202310169493.0A
Authority: CN
Inventors: 刘正南; 刘炉钢; 孟利兴; 费国柱
Original assignee: Jiangsu Zhong Zhong Switch Factory Co ltd
Current assignee: Jiangsu Zhong Zhong Switch Factory Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-06-02
Anticipated expiration: 2043-02-27
Also published as: CN116207653B

Abstract

The utility model discloses an inflatable breaker cabinet, which belongs to the technical field of circuit equipment and comprises a shell, wherein 4 explosion-proof doors are rotatably arranged on the shell, a sealing component, a clamping component and a driving component are arranged on the shell, the shell and the explosion-proof doors are made of thicker materials, the explosion-proof effect of the breaker cabinet can be greatly improved, the clamping component can lock the explosion-proof doors, the situation that the explosion-proof doors are opened due to internal impact when explosion occurs in the cabinet body can be effectively avoided, the sealing component, the clamping component and the driving component are mutually matched, any number of the explosion-proof doors can be simultaneously opened, and all the explosion-proof doors can be simultaneously opened in a moment in emergency.

Description

Inflatable breaker cabinet

Technical Field

The utility model relates to the technical field of circuit equipment, in particular to an inflatable breaker cabinet.

Background

The inflatable breaker cabinet is a new generation of switch equipment, the whole cabinet is combined with a sulfur hexafluoride gas compartment by adopting air insulation, is compact and extensible, is suitable for power distribution automation, has the characteristics of compact structure, flexible operation, reliable interlocking and the like, can provide a satisfactory technical scheme for various different application occasions (particularly places with severe environments) and different user requirements, adopts a thinner shell, cannot achieve an explosion-proof effect, and adopts a thicker shell with higher overall quality, thereby being inconvenient to maintain.

The utility model patent application of publication No. CN213937194U discloses an inflatable breaker cabinet, including cable door plant, first explosion-proof mechanism and second explosion-proof mechanism, first explosion-proof mechanism sets up at cable door plant, cable door plant one side is provided with the cable room, cable room opposite side bolted connection has the riser, riser one side is provided with down the pressure release passageway, lower pressure release passageway bottom is provided with the passageway bottom plate, the second explosion-proof mechanism sets up at passageway bottom plate top, through setting up first explosion-proof mechanism and second explosion-proof mechanism, can be when the explosion is given off to the cable room, the impact force of explosion shock wave to cable door plant and lower pressure release passageway has been greatly reduced, when explosion takes place, the safety of cable door plant normal use has been guaranteed, and lower pressure release passageway is under the condition that does not take place the explosion, second explosion-proof mechanism is favorable to avoiding in the channel moisture to get into equipment, avoid direct introduction of internal fault cable passageway wounded personnel, this patent adopts thinner casing can not reach explosion-proof effect, if adopt thicker casing bulk mass is more convenient for the switch cabinet door cabinet has provided an inflatable breaker.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an inflatable breaker cabinet, which solves the problems that the explosion-proof effect cannot be achieved by adopting a thinner shell, and the cabinet door is inconvenient to open if the whole mass of the thicker shell is larger.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an inflatable circuit breaker cabinet, which comprises a housin, the fixed cover board that is provided with on the casing, be provided with the closure assembly on the casing, the closure assembly includes that 4 are rotated and are installed the explosion vent on the casing, all fixedly be provided with the arc rack on 4 explosion vents, the casing upper surface is rotated and is installed and seal post gear two, seal post gear two and arc rack constitution rack and pinion rack are vice, be provided with screens subassembly and actuating assembly on the casing, screens subassembly includes screens round bottom plate and 4 screens balladeur train of slidable mounting on the casing, screens balladeur train and explosion vent are sliding fit, screens balladeur train is used for restricting the position of explosion vent, the rotation is installed the positioning ring on the screens round bottom plate, rotate on the positioning ring and install 1 select push pedal and 4 synchronous push pedal, 4 synchronous push pedal are used for promoting 4 screens balladeur trains to slide simultaneously, select the push pedal to be used for promoting single screens balladeur train to slide.

Further, the sealing assembly further comprises a sealing post gear, the sealing post gear is rotatably arranged on the upper surface of the shell, the sealing post gear II is further provided with a sealing post gear I, the sealing post gear I and the sealing post gear II are in friction connection, and the sealing post gear I and the sealing post gear form a gear pair.

Further, the driving assembly comprises a driving fixing frame, a spline shaft is rotatably arranged on the driving fixing frame, a driving sliding frame is slidably arranged on the driving fixing frame, a positioning column gear is rotatably arranged on the driving sliding frame, and the positioning column gear and the spline shaft form spline sliding fit.

Further, a positioning inner gear ring is rotatably arranged on the clamping circular bottom plate, the positioning inner gear ring is in rotary fit with the driving sliding frame, the positioning inner gear ring and the positioning column gear form a gear pair, 2 ratchets are arranged on the circular array on the outer side of the positioning inner gear ring, 2 ratchets are arranged on the circular array on the inner side of the positioning ring, and the positioning inner gear ring and the positioning ring form a ratchet mechanism.

Further, the clamping component comprises a clamping rotating circular plate, a clamping supporting plate is fixedly arranged on the shell, the clamping rotating circular plate is rotatably arranged on the clamping supporting plate, a plurality of teeth are arranged in the clamping rotating circular plate, a driving column gear is fixedly arranged at the lower end of the spline shaft, the clamping rotating circular plate and the driving column gear form a gear pair, and a torsion spring is arranged between the clamping rotating circular plate and the clamping supporting plate.

Further, the clamping position rotating circular plate is fixedly provided with a gap circular plate and a lifting circular ring, the clamping position circular bottom plate is slidably mounted on the clamping position supporting plate, the lifting rotating plate is symmetrically mounted on the clamping position supporting plate in a rotating mode, one end of the lifting rotating plate contacts with the lower surface of the lifting circular ring, and the other end of the lifting rotating plate contacts with the lower surface of the clamping position circular bottom plate.

Further, 3 arc-shaped strip holes are formed in the gap circular plate, the gap circular plate and the sealing post gear are movably connected to the arc-shaped strip holes of the gap circular plate, 4 electromagnets are arranged on the lifting circular ring, 4 sealing post gears II are slidably arranged on the upper surface of the shell, and the sealing post gears II are used for limiting the position of the clamping sliding frame.

Further, the buffer plate is slidably mounted on the upper surface of the inside of the shell and the 4 explosion-proof doors, the springs are arranged between the shell and the buffer plate, the springs are arranged between the explosion-proof doors and the buffer plate, temperature control equipment is fixedly arranged on one of the explosion-proof doors, and an alarm is fixedly arranged in the shell.

Compared with the prior art, the utility model has the beneficial effects that: (1) According to the utility model, the shell and the explosion-proof door are made of thicker materials, so that the explosion-proof effect of the breaker cabinet can be greatly improved; (2) According to the utility model, the clamping component is arranged, so that the explosion-proof door can be locked, and the situation that the explosion-proof door is opened due to internal impact when explosion occurs in the cabinet body can be effectively avoided; (3) According to the utility model, through the mutual matching of the sealing assembly, the clamping assembly and the driving assembly, any number of explosion doors can be opened simultaneously, and all the explosion doors can be opened simultaneously at once in emergency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the structure of the inside of the housing of the present utility model.

Fig. 3 is a schematic diagram of the inside of the housing according to the present utility model.

Fig. 4 is an enlarged partial schematic view at a in fig. 3.

FIG. 5 is a schematic view of the closure assembly of the present utility model.

Fig. 6 is a partially enlarged schematic view at B in fig. 5.

Fig. 7 is a schematic view of the top of the housing of the present utility model.

Fig. 8 is a partially enlarged schematic view at C in fig. 7.

Fig. 9 is a partially enlarged schematic view of fig. 7 at D.

Fig. 10 is a top view of the closure assembly of the present utility model.

FIG. 11 is a schematic structural view of a detent assembly according to the present utility model.

Fig. 12 is a schematic structural view of a driving assembly according to the present utility model.

Fig. 13 is a partially enlarged schematic illustration at E in fig. 12.

Fig. 14 is a schematic view of the bottom side structure of the detent rotary disk of the present utility model.

Fig. 15 is a partially enlarged schematic view of fig. 14 at F.

FIG. 16 is a schematic view of a circular clamping base plate according to the present utility model.

Fig. 17 is a schematic view of a detent rotary disk according to the present utility model.

FIG. 18 is a cross-sectional view of the detent assembly and drive assembly of the present utility model.

Reference numerals: 101-a housing; 102-an explosion door; 103-upper shield; 104-driving a motor; 105-a buffer plate; 106-a temperature sensor; 107-a temperature control device; 108-an alarm; 109-drive post gear; 110-driving a fixing frame; 111-driving the carriage; 112-spline shaft; 113-positioning a post gear; 114-positioning an inner gear ring; 115-positioning ring; 116-synchronous push plate; 117-select push plate; 118-clamping round bottom plate; 119-clamping and rotating the circular plate; 120-lifting the circular ring; 121-a clamping support plate; 122-closed post gear; 123-gap circular plate; 124-lifting the rotating plate; 125-arc rack; 126-closed post gear one; 127-detent carriage; 128-lifting the support plate; 129-electromagnet; 130-closing the second post gear; 131-spline mounting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-18, an inflatable circuit breaker cabinet includes a housing 101, an upper shielding plate 103 is fixedly arranged on the housing 101, a sealing assembly is arranged on the housing 101, the sealing assembly includes 4 explosion-proof doors 102 rotatably arranged on the housing 101, the housing 101 and the explosion-proof doors 102 are made of explosion-proof materials, a buffer plate 105 is slidably arranged on the upper surface of the interior of the housing 101 and the 4 explosion-proof doors 102, a spring is arranged between the housing 101 and the buffer plate 105, and a spring is arranged between the explosion-proof doors 102 and the buffer plate 105.

The temperature control device 107 is fixedly arranged on one of the 4 explosion vents 102, the temperature control device 107 is used for adjusting the temperature inside the shell 101, the alarm 108 is fixedly arranged inside the shell 101, the alarm 108 is used for giving an alarm when explosion occurs inside, the temperature sensor 106 is fixedly arranged on the buffer plate 105 which is slidably arranged on the upper surface inside the shell 101, and the temperature sensor 106 is used for detecting the temperature inside the shell 101.

The arc racks 125 are fixedly arranged on the 4 explosion vents 102, the second closed column gear 130 is rotatably arranged on the upper surface of the shell 101, the second closed column gear 130 and the arc racks 125 form a gear-rack pair, the second closed column gear 122 is rotatably arranged on the upper surface of the shell 101, the first closed column gear 126 is arranged on the second closed column gear 130, the first closed column gear 126 and the second closed column gear 130 are in friction connection, the first closed column gear 126 and the second closed column gear 122 form a gear pair, a torsion spring is arranged between the first closed column gear 122 and the shell 101, one end of the torsion spring is fixedly connected to the first closed column gear 122, the other end of the torsion spring is fixedly connected to the shell 101, the first closed column gear 126 is driven to rotate by rotation of the closed column gear 122, the second closed column gear 130 is driven to rotate by rotation of the closed column gear 122, and the explosion vents 102 are driven to rotate by the action of the arc racks 125.

The casing 101 is provided with a driving assembly, the driving assembly comprises a driving fixing frame 110, the driving fixing frame 110 is fixedly arranged on the lower surface of an upper shielding plate 103, a driving motor 104 is fixedly arranged on the upper surface of the upper shielding plate 103, a spline shaft 112 is rotatably arranged on the driving fixing frame 110, an output shaft of the driving motor 104 is fixedly connected with the spline shaft 112, a clamping support plate 121 is fixedly arranged on the casing 101, a spline mounting plate 131 is fixedly arranged on the upper surface of the clamping support plate 121, the lower end of the spline shaft 112 is rotatably arranged on the spline mounting plate 131, a driving sliding frame 111 is slidably arranged on the driving fixing frame 110, a positioning column gear 113 is rotatably arranged on the driving sliding frame 111, the positioning column gear 113 and the spline shaft 112 form spline sliding fit, and the driving column gear 109 is fixedly arranged at the lower end of the spline shaft 112.

The shell 101 is provided with a clamping component, the clamping component comprises a clamping round bottom plate 118, the clamping round bottom plate 118 is slidably mounted on a clamping support plate 121, a positioning ring 115 is rotatably mounted on the clamping round bottom plate 118, 1 selection push plate 117 and 4 synchronous push plates 116 are rotatably mounted on the positioning ring 115, a torsion spring is arranged between the synchronous push plates 116 and the positioning ring 115, one end of the torsion spring is fixedly connected to the synchronous push plates 116, the other end of the torsion spring is fixedly connected to the positioning ring 115, a torsion spring is arranged between the selection push plates 117 and the positioning ring 115, one end of the torsion spring is fixedly connected to the positioning ring 115, and the other end of the torsion spring is fixedly connected to the selection push plates 117.

The positioning inner gear ring 114 is rotatably mounted on the clamping round bottom plate 118, the positioning inner gear ring 114 is in rotary fit with the driving sliding frame 111, the positioning inner gear ring 114 and the positioning column gear 113 form a gear pair, 2 ratchets are arranged on the outer circular array of the positioning inner gear ring 114, 2 ratchets are arranged on the inner circular array of the positioning ring 115, the positioning inner gear ring 114 and the positioning ring 115 form a ratchet mechanism, and the ratchets on the positioning inner gear ring 114 are elastic ratchets, so that the positioning inner gear ring 114 can only drive the positioning ring 115 to rotate unidirectionally.

The clamping rotary circular plate 119 is rotatably installed on the clamping support plate 121, a plurality of teeth are arranged in the clamping rotary circular plate 119, the clamping rotary circular plate 119 and the driving column gear 109 form a gear pair, a torsion spring is arranged between the clamping rotary circular plate 119 and the clamping support plate 121, one end of the torsion spring is fixedly connected to the clamping rotary circular plate 119, the other end of the torsion spring is fixedly connected to the clamping support plate 121, a gap circular plate 123 and a lifting circular ring 120 are fixedly arranged on the clamping rotary circular plate 119, a boss is arranged on the lower surface of the lifting circular ring 120, the lifting rotary plate 124 is symmetrically installed on the clamping support plate 121 in a rotary mode, one end of the lifting rotary plate 124 contacts the lower surface of the lifting circular ring 120, and the other end of the lifting rotary plate 124 contacts the lower surface of the clamping round bottom plate 118.

The upper surface sliding mounting of casing 101 has 4 screens balladeur train 127, be provided with the spring between screens balladeur train 127 and the casing 101, screens balladeur train 127 and explosion-proof door 102 are sliding fit, under the effect of spring between explosion-proof door 102 and screens balladeur train 127, make screens balladeur train 127 and explosion-proof door 102 joint, restrict the rotation of explosion-proof door 102, be provided with 4 electro-magnets 129 on the lifting ring 120, be provided with the spring between casing 101 upper surface sliding mounting has 4 closed post gears two 130,4 closed post gears two 130 and casing 101, closed post gear two 130 surface is provided with the locating pin, the screens balladeur train 127 inboard is provided with the pinhole, closed post gear two 130 is used for restricting the position of screens balladeur train 127, electro-magnet 129 is used for adsorbing electro-magnet 129, fixed mounting has lifting backup pad 128 on the screens balladeur train 127, synchronous push pedal 116 and the upper surface of selecting push pedal 117 is located the backup pad 128 downside.

The gap circular plate 123 is provided with 3 arc-shaped strip holes, and the gap circular plate 123 and the closed column gear 122 are movably connected to the arc-shaped strip holes of the gap circular plate 123, so that the gap circular plate 123 can drive the closed column gear 122 to rotate after the gap circular plate 123 rotates clockwise by 30 degrees.

Working principle: when the explosion vent 102 in a normal position is in a closed state and one explosion vent 102 needs to be opened independently, the driving motor 104 is started to drive the spline shaft 112 to rotate clockwise, so that the driving post gear 109 and the positioning post gear 113 are driven, at the moment, the driving post gear 109 is positioned at the edge of teeth on the clamping rotating circular plate 119, the clamping rotating circular plate 119 cannot rotate under the action of a torsion spring between the clamping rotating circular plate 119 and the clamping supporting plate 121, the driving post gear 109 rotates, the positioning post gear 113 rotates clockwise to drive the positioning annular gear 114 to rotate, the positioning ring 115 is driven to rotate, the selective push plate 117 rotates to the position above the explosion vent 102 to be opened, the selective push plate 117 is positioned below the lifting supporting plate 128 above the explosion vent 102, and because the torsion springs are arranged between the synchronous push plate 116, the selective push plate 117 and the positioning ring 115, the torsion springs between the synchronous push plate 116 and the selective push plate 117 are compressed when the synchronous push plate 116 and the selective push plate 117 are contacted with the lifting supporting plate 128, the synchronous push plate 116 and the selective push plate 117 do not contact with the torsion spring 128, and the synchronous push plate 117 is restored under the action of the torsion spring 128 when the synchronous push plate 116 and the selective push plate 117 are not contacted with the selective push plate 128.

At this time, the push plate 117 is selected to be located on the lower surface of the lifting support plate 128 above the explosion door 102 to be opened, the electromagnet 129 above the explosion door 102 is closed, the adsorption to the second closed cylindrical gear 130 is released, the driving motor 104 is started, the spline shaft 112 is driven to rotate anticlockwise, the driving cylindrical gear 109 and the positioning cylindrical gear 113 are driven to rotate anticlockwise, the positioning annular gear 115 cannot rotate due to the ratchet mechanism formed by the positioning annular gear 114 and the positioning annular gear 115, the driving cylindrical gear 109 drives the clamping rotating circular plate 119 to rotate anticlockwise, the lifting circular ring 120 is driven to rotate, the lifting rotating plate 124 is driven to rotate under the action of the boss on the lower surface of the lifting circular ring 120, the clamping round bottom plate 118 is lifted, the lifting support plate 128 is pushed to slide away from the shell 101 through the selective push plate 117, namely the clamping sliding carriage 127 is pushed to slide away from the shell 101, and the spring between the clamping carriage 127 and the shell 101 is compressed, so that the clamping carriage 127 releases the limit on the explosion door 102, and the explosion door 102 can rotate freely.

In the process that the clamping sliding frame 127 continuously moves upwards, under the action of a spring between the second closed column gear 130 and the shell 101, the positioning pin of the second closed column gear 130 is connected with the pin hole of the clamping sliding frame 127, the push plate 117 is selected to slide downwards, the clamping sliding frame 127 cannot slide downwards due to the action of the second closed column gear 130, the gap circular plate 123 rotates by 30 degrees, the closed column gear 122 contacts the other side of the arc-shaped strip hole on the gap circular plate 123, the driving column gear 109 continuously rotates, the clamping rotating circular plate 119 is driven to rotate, the closed column gear 122 is driven to rotate under the action of the gap circular plate 123, the closed column gear 122 drives the first closed column gear 126 to rotate, at the moment, the explosion-proof door 102 at the position is free to rotate under the limit of the clamping sliding frame 127, the closed column gear 130 can freely rotate, the closed column gear 126 drives the second closed column gear 130 to rotate, and further drives the arc-shaped rack 125 to rotate, and at the moment, the explosion-proof door 102 at other positions is not limited by the temperature control device 107 to be free from the limit of the clamping sliding frame 123, and the second closed column gear 126 is in rotation relative to the second closed column gear 130.

If 2 explosion vents 102 need to be opened simultaneously, after the clamping rotary circular plate 119 is driven to rotate anticlockwise for 30 degrees in the above steps, the clamping sliding frame 127 at the position is opened, the driving motor 104 is controlled to drive the spline shaft 112 to rotate clockwise to return to the initial position, the selective push plate 117 is driven to move to the position above the explosion vents 102 of the second needed opening pair, the above steps are repeated, the electromagnet 129 at the position is closed, the explosion vents 102 at the position are separated from the limit of the upper shielding plate 103, if 3 explosion vents 102 need to be opened simultaneously, the above steps are repeated, and after the above steps are completed, the gap circular plate 123 is used for driving the sealing post gear 122 to rotate, so that all the explosion vents 102 needing to be opened simultaneously are opened.

In an emergency, if 4 explosion vents 102 need to be opened simultaneously, the synchronous push plates 116 are moved to the lower sides of the lifting support plates 128, at this time, the 4 synchronous push plates 116 are all moved to the lower sides of the corresponding lifting support plates 128, and the step of opening one explosion vent 102 is repeated, so that the 4 explosion vents 102 can be opened simultaneously.

The temperature inside the shell 101 is regulated through the temperature control equipment 107, the temperature is detected through the temperature sensor 106, and then the temperature is transferred to the temperature control equipment 107 to be regulated, when the inside of the shell 101 is exploded through the alarm 108, an alarm sound is given, the surrounding is sounded to remind that danger exists, and the explosion possibly generated inside the shell 101 is buffered through the springs arranged among the shell 101, the explosion-proof door 102 and the buffer plate 105.

If the explosion vent 102 needs to be closed, that is, the steps are performed reversely, after the explosion vent 102 returns to the initial position, the electromagnet 129 is started to adsorb the second seal post gear 130, the spring between the second seal post gear 130 and the housing 101 is compressed, the second seal post gear 130 releases the restriction on the clamping sliding frame 127, and the clamping sliding frame 127 slides downwards under the action of the spring between the housing 101 and the clamping sliding frame 127, so that the explosion vent 102 is engaged with the clamping sliding frame 127, and the position of the explosion vent 102 is restricted.

The present utility model is not limited to the above-described embodiments, and various modifications are possible within the scope of the present utility model without inventive labor, as those skilled in the art will recognize from the above-described concepts.

Claims

1. The utility model provides an inflatable circuit breaker cabinet, includes casing (101), fixedly on casing (101) is provided with sunshade (103), its characterized in that:

the explosion-proof device is characterized in that a sealing assembly is arranged on the shell (101) and comprises 4 explosion-proof doors (102) rotatably arranged on the shell (101), arc racks (125) are fixedly arranged on the 4 explosion-proof doors (102), a sealing post gear II (130) is rotatably arranged on the upper surface of the shell (101), and the sealing post gear II (130) and the arc racks (125) form a gear-rack pair;

the anti-explosion device is characterized in that a clamping component and a driving component are arranged on the shell (101), the clamping component comprises a clamping round bottom plate (118) and 4 clamping sliding carriages (127) which are slidably arranged on the shell (101), the clamping sliding carriages (127) and the explosion-proof door (102) are in sliding fit, the clamping sliding carriages (127) are used for limiting the position of the explosion-proof door (102), a positioning ring (115) is rotatably arranged on the clamping round bottom plate (118), 1 selection push plate (117) and 4 synchronous push plates (116) are rotatably arranged on the positioning ring (115), and the 4 synchronous push plates (116) are used for pushing the 4 clamping sliding carriages (127) to slide simultaneously, and the selection push plates (117) are used for pushing the single clamping sliding carriages (127) to slide.

2. An inflatable circuit breaker cabinet according to claim 1, wherein: the sealing assembly further comprises a sealing post gear (122), the sealing post gear (122) is rotatably arranged on the upper surface of the shell (101), a sealing post gear I (126) is further arranged on the sealing post gear II (130), the sealing post gear I (126) and the sealing post gear II (130) are in friction connection, and the sealing post gear I (126) and the sealing post gear (122) form a gear pair.

3. An inflatable circuit breaker cabinet according to claim 2, wherein: the driving assembly comprises a driving fixing frame (110), a spline shaft (112) is rotatably arranged on the driving fixing frame (110), a driving sliding frame (111) is slidably arranged on the driving fixing frame (110), a positioning column gear (113) is rotatably arranged on the driving sliding frame (111), and the positioning column gear (113) and the spline shaft (112) form spline sliding fit.

4. An inflatable circuit breaker cabinet according to claim 3, wherein: the clamping round bottom plate (118) is rotatably provided with a positioning inner gear ring (114), the positioning inner gear ring (114) and the driving sliding frame (111) are in running fit, the positioning inner gear ring (114) and the positioning column gear (113) form a gear pair, the outer circular array of the positioning inner gear ring (114) is provided with 2 ratchets, the inner circular array of the positioning ring (115) is provided with 2 ratchets, and the positioning inner gear ring (114) and the positioning ring (115) form a ratchet mechanism.

5. An inflatable circuit breaker cabinet according to claim 4, wherein: the clamping assembly comprises a clamping rotating circular plate (119), a clamping supporting plate (121) is fixedly arranged on the shell (101), the clamping rotating circular plate (119) is rotatably arranged on the clamping supporting plate (121), a plurality of teeth are arranged in the clamping rotating circular plate (119), a driving column gear (109) is fixedly arranged at the lower end of the spline shaft (112), the clamping rotating circular plate (119) and the driving column gear (109) form a gear pair, and a torsion spring is arranged between the clamping rotating circular plate (119) and the clamping supporting plate (121).

6. An inflatable circuit breaker cabinet according to claim 5, wherein: the clamping position rotating circular plate (119) is fixedly provided with a gap circular plate (123) and a lifting circular ring (120), the clamping position circular bottom plate (118) is slidably mounted on the clamping position supporting plate (121), the lifting rotating plate (124) is symmetrically mounted on the clamping position supporting plate (121) in a rotating mode, one end of the lifting rotating plate (124) is in contact with the lower surface of the lifting circular ring (120), and the other end of the lifting rotating plate (124) is in contact with the lower surface of the clamping position circular bottom plate (118).

7. An inflatable circuit breaker cabinet according to claim 6, wherein: the clearance plectane (123) is last to be provided with 3 arc strip holes, clearance plectane (123) and seal post gear (122) swing joint on the arc strip hole of clearance plectane (123), be provided with 4 electro-magnets (129) on lifting ring (120), surface sliding mounting has 4 seal post gear two (130) on casing (101), seals post gear two (130) and is used for restricting the position of screens balladeur train (127).

8. An inflatable circuit breaker cabinet according to claim 1, wherein: the anti-explosion device is characterized in that buffer plates (105) are slidably mounted on the upper surface of the inside of the shell (101) and the 4 anti-explosion doors (102), springs are arranged between the shell (101) and the buffer plates (105), springs are arranged between the anti-explosion doors (102) and the buffer plates (105), temperature control equipment (107) is fixedly arranged on one of the anti-explosion doors (102), and an alarm (108) is fixedly arranged in the shell (101).