Inflatable cabinet integrated interlocking mechanism

Abstract

The present invention discloses an integrated interlocking mechanism of an inflatable cabinet, which is mainly composed of a valve card plate, a first interlocking crank arm, a closing brake assembly, a rotating assembly, a transmission assembly and a reset assembly. By arranging the first interlocking crank arm on the main shaft of the circuit breaker operating mechanism, connecting the valve card plate to the operating valve of the direct-acting three-position mechanism, and arranging the closing brake assembly, the rotating assembly, the transmission assembly and the reset assembly between the first interlocking crank arm and the valve card plate, the function of being unable to open the operating valve of the three-position mechanism for manual operation when the circuit breaker of the inflatable cabinet is in the closed state is realized, and the function of being unable to close the circuit breaker during the manual operation of the three-position mechanism in the circuit breaker opening state is also realized. Therefore, the present invention realizes the mechanical interlocking function between the three-position isolation grounding switch of the inflatable cabinet and the circuit breaker, and has the advantages of simple structure, active interlocking and safety and reliability.

Description

Technical Field

[0001] The invention relates to an interlocking mechanism, in particular to an integrated interlocking mechanism for an inflatable cabinet. Background Art

[0002] Cubical Gas Insulated Switchgear, referred to as C-GIS, is a primary power distribution system with a circuit breaker as the main switch, used for 10-35kV or higher voltage levels. The inflatable ring main unit uses a load switch as the main switch, and also has a circuit breaker solution, which is used for 10-35kV secondary power distribution systems. Inflatable cabinets are usually a general term for C-GIS and inflatable ring main units.

[0003] The gas-filled cabinet uses GIS's insulation and sealing technologies to install high-voltage components in a box-type sealed container, which is then filled with insulating gas at a pressure slightly higher than atmospheric pressure. It is manufactured using modern advanced processing technology to form a complete set of serial products, which have the functions of control, protection, measurement, monitoring and communication of power distribution under normal and fault conditions.

[0004] At present, the development of inflatable cabinets shows a trend of component combination. The isolating switch and the grounding switch of some inflatable cabinet products are combined into one to form a three-position isolating grounding switch. There are also some inflatable cabinet products that combine the three-position isolating grounding switch with the circuit breaker to make installation and debugging more convenient. According to different structures, the operating mechanism of the three-position isolating grounding switch of the inflatable cabinet is divided into a direct-acting three-position mechanism and a knife-type three-position mechanism. For the inflatable cabinet with a direct-acting three-position mechanism in conjunction with a circuit breaker, it is necessary to meet the requirement that the three-position mechanism is not allowed to be operated when the circuit breaker is in the closed state, and the three-position mechanism is allowed to be operated only when the circuit breaker is in the open state; and it is required that the circuit breaker cannot be closed during the operation of the three-position mechanism. Therefore, an interlock is usually set between the three-position mechanism of the inflatable cabinet and the operating mechanism of the circuit breaker. However, in the prior art, the interlock between some three-position mechanisms and the operating mechanism of the circuit breaker is a passive interlock by limiting the rotation of the output shaft of the three-position isolating grounding switch, and the reliability is poor. The interlocking between the other three-position mechanism and the operating mechanism of the circuit breaker has the problems of complex structure, cumbersome installation, single interlocking method, and inability to ensure that the interlocking is in place. Summary of the invention

[0005] In order to overcome the above defects, the present invention provides an integrated interlocking mechanism for an inflatable cabinet, which realizes the mechanical interlocking function between the three-position isolating grounding switch and the circuit breaker of the inflatable cabinet, and has the advantages of simple structure, active interlocking, safety and reliability.

[0006] The technical solution adopted by the present invention to solve its technical problem is:

[0007] An integrated interlocking mechanism of an inflatable cabinet is used to realize the interlocking between the direct-acting three-position mechanism of the inflatable cabinet and the circuit breaker operating mechanism of the inflatable cabinet. The integrated interlocking mechanism of the inflatable cabinet includes a valve card plate, a first interlocking crank arm, a closing brake assembly, a rotating assembly, a transmission assembly and a reset assembly. The valve card plate is fixedly connected to the operating valve of the direct-acting three-position mechanism, the first interlocking crank arm is fixedly connected to the main shaft of the circuit breaker operating mechanism, and the rotating assembly includes an interlocking mounting plate, a rotating shaft, an interlocking swing plate, an interlocking pin, The second interlocking crank arm and two interlocking rollers, the interlocking mounting plate is mounted on the top of the frame of the circuit breaker operating mechanism, the rotating shaft is rotatably mounted on the interlocking mounting plate, the interlocking swing plate is mounted on one end of the rotating shaft, the second interlocking crank arm is fixedly connected between the other end of the rotating shaft and the interlocking pin, the two interlocking rollers are mounted on both ends of the interlocking swing plate, and the interlocking pin is inserted and positioned in the claws at the bottom of the valve clamping plate; the transmission assembly is arranged between the first interlocking crank arm and the two interlocking rollers. The bottom end of the transmission assembly is opposite to the first interlocking crank arm in the upper and lower parts; the closing brake assembly is installed in the middle of the transmission assembly; when the circuit breaker of the inflatable cabinet is closed, the first interlocking crank arm on the main shaft rotates to abut the bottom end of the transmission assembly, so that the top end of the transmission assembly abuts the two interlocking rollers, brakes the rotating shaft, the interlocking pin and the valve card plate, so that the operating valve cannot be opened; when the circuit breaker of the inflatable cabinet is opened and the operating valve needs to be opened, the first interlocking crank arm on the main shaft rotates to a position away from the bottom end of the transmission assembly, and the operating valve can move left and right through the valve card plate and the interlocking pin to drive the rotating shaft and the interlocking swing plate to rotate, so that one of the interlocking rollers drives the transmission assembly and the closing brake assembly downward, so that the closing brake assembly brakes the closing drive assembly of the circuit breaker operating mechanism and stores energy in the reset assembly; the energy stored in the reset assembly is released, and the closing brake assembly, the transmission assembly and the rotating assembly can be reset.

[0008] As a further improvement of the present invention, the transmission assembly includes a transmission rod and an interlocking plate, the interlocking plate includes a vertical plate and a horizontal plate formed on the top of the vertical plate, the horizontal plate is arranged below the two interlocking rollers, the top end of the transmission rod is fixedly connected to the vertical plate, and the bottom end of the transmission rod is opposite to the first interlocking crank arm up and down.

[0009] As a further improvement of the present invention, two first waist-shaped holes are formed on the vertical plate, and the vertical plate is fixedly connected to the transmission rod via fasteners penetrating through the first waist-shaped holes.

[0010] As a further improvement of the present invention, the reset assembly includes a fixed bent plate and a reset spring, the middle part of the fixed bent plate is installed on the side wall of the frame of the circuit breaker operating mechanism, the reset spring is arranged between two opposite arms of the fixed bent plate, the middle part of the transmission rod is movably penetrated into the through holes of the reset spring and the two arms, and the transmission rod moves downward to compress the reset spring to store energy.

[0011] As a further improvement of the present invention, the structure in which the transmission rod moves downward to compress the return spring to store energy is as follows: a pressure pin and a pressure plate are installed on the transmission rod, the pressure pin and the pressure plate are arranged between the two support arms, the pressure pin is installed in the pin hole on the transmission rod, the pressure plate is movably sleeved on the transmission rod, and the pressure plate is positioned between the top of the return spring and the pressure pin.

[0012] As a further improvement of the present invention, the closing brake assembly includes a closing limit plate and a connecting rod, the middle part of the closing limit plate is rotatably mounted on a partition plate in the frame of the circuit breaker operating mechanism through a pin shaft, one end of the connecting rod is fixedly connected to the transmission rod, and the other end of the connecting rod is inserted into the second waist-shaped hole on the closing limit plate; when the transmission rod drives the connecting rod to move downward, the connecting rod drives the closing limit plate to rotate, so that the support foot of the closing limit plate abuts against the closing drive assembly.

[0013] As a further improvement of the present invention, the closing drive assembly includes a closing coil, a closing plastic part, a closing connecting plate, a closing crank arm, a closing cam and a closing spring. The closing plastic part, the closing crank arm and the closing cam are respectively rotatably mounted on the frame of the circuit breaker operating mechanism. The closing crank arm has a connecting arm and a closing energy storage retaining latch at an obtuse angle. A closing roller is fixed on the closing cam; the two ends of the closing connecting plate are respectively rotatably connected to the closing plastic part and the connecting arm of the closing crank arm, the closing spring elastically abuts against one side surface of the closing roller, and in the open state, the closing energy storage retaining latch of the closing crank arm abuts against the other side surface opposite to the closing roller. On; a closing coil push rod is provided on the closing coil. When closing, the foot of the closing limit plate is separated from the braking point of the closing plastic part. After receiving the closing signal, the closing coil drives the closing coil push rod to push the closing plastic part to rotate, and drives the closing crank arm to rotate through the closing connecting plate, so that the closing energy storage holding latch is separated from the closing roller, and at the same time, the closing spring pushes the closing cam to rotate and hits the main roller on the main shaft to complete the closing; in the opening state, after opening the operating valve, the foot of the closing limit plate abuts against the braking point of the closing plastic part, so that the closing coil push rod of the closing coil cannot push the closing plastic part to rotate.

[0014] As a further improvement of the present invention, the transmission rod is square, the first interlocking crank arm includes a disc and a square column, the disc is fixed on the main shaft, the square column is connected to the outer edge of the disc, and the square column is opposite to the bottom end of the transmission rod.

[0015] The beneficial effects of the present invention are as follows: the present invention provides an integrated interlocking mechanism of an inflatable cabinet, by arranging a first interlocking crank arm on the main shaft of the circuit breaker operating mechanism, connecting a valve clamp plate to the operating valve of the direct-acting three-position mechanism, and arranging a closing brake assembly, a rotating assembly, a transmission assembly and a reset assembly between the first interlocking crank arm and the valve clamp plate, so as to realize the function that the operating valve of the three-position mechanism cannot be opened when the circuit breaker of the inflatable cabinet is in the closed state, and also realize the function that the circuit breaker cannot be closed during the manual operation of the three-position mechanism in the circuit breaker open state. Therefore, the present invention realizes the mechanical interlocking function between the three-position isolation grounding switch of the inflatable cabinet and the circuit breaker, and has the advantages of simple structure, active interlocking and safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the integrated interlocking mechanism of the inflatable cabinet of the present invention;

[0017] Figure 2 A three-dimensional diagram of the integrated interlocking mechanism of the inflatable cabinet of the present invention from the front view;

[0018] Figure 3 A three-dimensional diagram of the integrated interlocking mechanism of the inflatable cabinet of the present invention from the back side;

[0019] Figure 4 It is a structural schematic diagram of a circuit breaker operating mechanism in the present invention;

[0020] Combined with the accompanying drawings, the following description is given:

[0021] 1-valve card plate, 11-claw, 2-first interlocking crank arm, 21-disk, 22-square column, 3-closing brake assembly, 31-closing limit plate, 32-connecting rod, 4-rotating assembly, 41-interlocking mounting plate, 42-rotating shaft, 43-interlocking swing plate, 44-interlocking pin, 45-second interlocking crank arm, 46-interlocking roller, 5-transmission assembly, 51-transmission rod, 511-pin hole, 52-interlocking plate, 521-vertical plate, 5211-first waist-shaped hole, 522 -Horizontal plate, 6-reset assembly, 61-fixed bent plate, 611-support arm, 62-reset spring, 7-pressure plate, 100-operating valve, 210-main shaft, 220-closing drive assembly, 221-closing coil, 2211-closing coil push rod, 222-closing plastic parts, 223-closing connecting plate, 224-closing crank arm, 2241-connecting arm, 2242-closing energy storage holding latch, 225-closing cam, 2251-closing roller, 226-closing spring. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] See also Figure 1 , Figure 2 , Figure 3 and Figure 4, is an inflatable cabinet integrated interlocking mechanism described in the present invention, which is used to realize the interlocking between the direct-acting three-position mechanism of the inflatable cabinet and the circuit breaker operating mechanism of the inflatable cabinet. The inflatable cabinet integrated interlocking mechanism includes a valve card plate 1, a first interlocking crank arm 2, a closing brake assembly 3, a rotating assembly 4, a transmission assembly 5 and a reset assembly 6. The valve card plate is fixedly connected to the operating valve 100 of the direct-acting three-position mechanism, the first interlocking crank arm is fixedly connected to the main shaft 210 of the circuit breaker operating mechanism, and the rotating assembly includes an interlocking mounting plate 41, A rotating shaft 42, an interlocking swing plate 43, an interlocking pin 44, a second interlocking crank arm 45 and two interlocking rollers 46, wherein the interlocking mounting plate is mounted on the top of the frame of the circuit breaker operating mechanism, the rotating shaft is rotatably mounted on the interlocking mounting plate, the interlocking swing plate is mounted on one end of the rotating shaft, the second interlocking crank arm is fixedly connected between the other end of the rotating shaft and the interlocking pin, the two interlocking rollers are mounted on both ends of the interlocking swing plate, and the interlocking pin is inserted and positioned in the claw 11 at the bottom of the valve clamping plate; the transmission assembly is arranged at the Between the first interlocking crank arm and the two interlocking rollers, the bottom end of the transmission assembly is opposite to the first interlocking crank arm in upper and lower directions; the closing brake assembly is installed in the middle of the transmission assembly; when the circuit breaker of the inflatable cabinet is closed, the first interlocking crank arm on the main shaft rotates to abut against the bottom end of the transmission assembly, so that the top end of the transmission assembly abuts against the two interlocking rollers, brakes the rotating shaft, the interlocking pin and the valve clamping plate, so that the operating valve cannot be opened; when the circuit breaker of the inflatable cabinet is opened and the operating valve needs to be opened, The first interlocking crank arm on the main shaft rotates to a position disengaged from the bottom end of the transmission assembly, and the left and right movement of the operating valve can drive the rotating shaft and the interlocking swing plate to rotate through the valve clamping plate and the interlocking pin, so that one of the interlocking rollers drives the transmission assembly and the closing brake assembly downward, so that the closing brake assembly brakes the closing drive assembly 220 of the circuit breaker operating mechanism and stores energy in the reset assembly; the energy stored in the reset assembly is released to drive the closing brake assembly, the transmission assembly and the rotating assembly to reset.

[0024] In the above structure, by arranging a first interlocking crank arm on the main shaft of the circuit breaker operating mechanism, connecting a valve clamp plate to the operating valve of the direct-acting three-position mechanism, and arranging a closing brake assembly, a rotating assembly, a transmission assembly and a reset assembly between the first interlocking crank arm and the valve clamp plate, the function of being unable to open the operating valve of the three-position mechanism when the circuit breaker of the inflatable cabinet is in the closed state is realized, and the function of being unable to close the circuit breaker during the manual operation of the three-position mechanism in the circuit breaker opening state is also realized. Therefore, the present invention realizes the mechanical interlocking function between the direct-acting three-position mechanism and the circuit breaker operating mechanism, and has the advantages of simple structure, active interlocking and safety and reliability.

[0025] The working principle of the integrated interlocking mechanism of the inflatable cabinet of the present invention is as follows:

[0026] When the circuit breaker is in the closed state, the first interlocking crank arm on the main shaft of the circuit breaker operating mechanism just rotates to the position where it abuts the bottom end of the transmission assembly. For example, the first interlocking crank arm just faces upward. At this time, the transmission assembly cannot move downward, so that the top end of the transmission assembly just abuts the two interlocking rollers, and the rotating shaft cannot drive the interlocking swing plate and the interlocking pin to rotate, that is, the rotating shaft and the interlocking pin are braked, and the interlocking pin is inserted and positioned in the claw at the bottom of the valve clamping plate, so that the operating valve cannot be opened, that is, the operating valve of the three-position mechanism is locked, and the operating valve cannot move left and right, and cannot be opened, so that the operating valve blocks the operating hole of the three-position isolating earthing switch, and the three-position mechanism cannot be operated.

[0027] In the circuit breaker off state, the first interlocking crank arm on the main shaft of the circuit breaker operating mechanism rotates to other positions and detaches from the bottom end of the transmission assembly. For example, the first interlocking crank arm is just facing downward or to one side. At this time, the transmission assembly can move downward, the operating valve can move left and right, and the operating valve can drive the interlocking pin, thereby driving the rotating shaft and the interlocking swing plate to rotate, that is, unlocking the operating valve of the three-position mechanism. At this time, the operating valve can be opened to operate the three-position mechanism. For example, when the three-position isolating grounding switch needs to be manually operated, the operating valve is moved to the right, so that the interlocking roller installed on the right side of the interlocking swing plate moves downward, thereby driving the transmission assembly to move downward. In order to ensure that the circuit breaker cannot be closed during the operation of the three-position mechanism, the present invention is provided with a closing brake assembly, that is, when the transmission assembly is driven downward, the closing brake assembly is simultaneously driven to move downward, and the closing brake assembly brakes the closing drive assembly of the circuit breaker operating mechanism. In other words, when the three-position mechanism is operated, the closing function of the circuit breaker is locked, which can prevent the circuit breaker from being closed due to misoperation touching the closing coil or misoperation by backstage personnel.

[0028] In the above structure, the reset assembly is used to reset the transmission assembly, the closing brake assembly and the rotating assembly to ensure that after the three-position mechanism is operated to close the valve, the closing brake assembly can unlock the closing drive assembly. And the rotating assembly can be reset to the initial position, even if the operating valve is in the middle position, at this time, the operating valve can block the operating hole of the three-position isolating grounding switch.

[0029] Preferably, the transmission assembly includes a transmission rod 51 and an interlocking plate 52, wherein the interlocking plate includes a vertical plate 521 and a horizontal plate 522 formed on the top of the vertical plate, wherein the horizontal plate is arranged below the two interlocking rollers, the top end of the transmission rod is fixedly connected to the vertical plate, and the bottom end of the transmission rod is vertically opposite to the first interlocking crank arm. In this way, the function of simultaneously abutting against the two interlocking rollers can be realized through the interlocking plate, and the function of cooperating with the first interlocking crank arm can be realized through the transmission rod, and the transmission rod does not occupy much space and is convenient for installing the reset assembly.

[0030] Preferably, two first waist-shaped holes 5211 are formed on the vertical plate, and the vertical plate is fixedly connected to the transmission rod through fasteners inserted into the first waist-shaped holes. In this way, the height of the transmission rod can be adjusted up and down according to the distance between the main shaft and the rotating assembly.

[0031] Preferably, the reset assembly includes a fixed bent plate 61 and a reset spring 62, the middle part of the fixed bent plate is installed on the side wall of the frame of the circuit breaker operating mechanism, the reset spring is arranged between two opposite arms 611 of the fixed bent plate, the middle part of the transmission rod is movably inserted into the through holes of the reset spring and the two arms, and the downward movement of the transmission rod can compress the reset spring to store energy. In this way, the function of the reset transmission assembly driving the closing brake assembly to reset is realized through the cooperation of the transmission rod with the fixed bent plate and the reset spring. The fixed bent plate is provided with two opposite arms, and the reset spring is arranged between the two arms, which can also play a role in limiting and guiding the transmission rod. As a preferred embodiment, the reset assembly is composed of a fixed bent plate 611 and a reset spring 62, which realizes the function of the reset assembly, but is not limited to this. In other structures, the reset assembly can also be composed of a fixed plate, a guide column and a reset spring. At this time, a connecting piece can be added to the transmission rod, the fixed plate is installed on the frame of the circuit breaker operating mechanism, and the guide column is installed between the connecting piece and the fixed plate, and the reset spring is sleeved on the guide column and located between the connecting piece and the fixed plate.

[0032] Preferably, the structure in which the transmission rod moves downward to compress the reset spring to store energy is as follows: a pressing pin and a pressing plate 7 are installed on the transmission rod, the pressing pin and the pressing plate are arranged between the two support arms, the pressing pin is installed in the pin hole 511 on the transmission rod, the pressing plate is movably sleeved on the transmission rod, and the pressing plate is positioned between the top of the reset spring and the pressing pin. In this way, by arranging a pin hole on the transmission rod and installing a pressing pin in the pin hole, when the pressing pin moves downward with the transmission rod, the pressing plate can be driven to compress the reset spring to store energy.

[0033] Preferably, the closing brake assembly includes a closing limit plate 31 and a connecting rod 32, the middle part of the closing limit plate is rotatably mounted on a partition plate in the frame of the circuit breaker operating mechanism through a pin shaft, one end of the connecting rod is fixedly connected to the transmission rod, and the other end of the connecting rod is inserted into the second waist-shaped hole on the closing limit plate; when the transmission rod drives the connecting rod to move downward, the connecting rod drives the closing limit plate to rotate, so that the support foot of the closing limit plate abuts against the closing drive assembly.

[0034] Preferably, the closing drive assembly comprises a closing coil 221, a closing plastic part 222, a closing connecting plate 223, a closing crank arm 224, a closing cam 225 and a closing spring (226); the closing plastic part, the closing crank arm and the closing cam are respectively rotatably mounted on the frame of the circuit breaker operating mechanism; the closing crank arm has a connecting arm 2241 and a closing energy storage retaining latch 2242 at an obtuse angle; a closing roller 2251 is fixed on the closing cam; the two ends of the closing connecting plate are respectively rotatably connected to the closing plastic part and the connecting arm of the closing crank arm; the closing spring elastically abuts against one side surface of the closing roller; and the closing energy storage retaining latch of the closing crank arm abuts against the closing roller in the open state. On the other side opposite to the roller; the closing coil is provided with a closing coil push rod 2211. When closing, the foot of the closing limit plate is separated from the braking point of the closing plastic part. After receiving the closing signal, the closing coil drives the closing coil push rod to push the closing plastic part to rotate, and drives the closing crank arm to rotate through the closing connecting plate, so that the closing energy storage holding latch is separated from the closing roller, and at the same time, the closing spring pushes the closing cam to rotate and hits the main roller on the main shaft to complete the closing; in the opening state, after opening the operating valve, the foot of the closing limit plate abuts against the braking point of the closing plastic part, so that the closing coil push rod of the closing coil cannot push the closing plastic part to rotate. In this way, the locking and unlocking functions of the closing drive assembly are realized through the cooperation between the foot of the closing limit plate and the closing plastic part of the closing drive assembly, thereby realizing the function of being unable to close the circuit breaker during the manual operation of the three-position mechanism in the opening state of the circuit breaker. In this embodiment, the cooperation between the closing limit plate and the closing plastic part of the gate drive assembly is adopted, but it is not limited to this. In other embodiments, the cooperation between the closing limit plate and the closing crank arm can also be adopted as needed.

[0035] Preferably, the transmission rod is square, and the first interlocking crank arm includes a disk body 21 and a square column 22, the disk body is sleeved on the main shaft, the square column is connected to the outer edge of the disk body, and the square column is vertically opposite to the bottom end of the transmission rod. In this way, the function of locking the transmission rod to move downward can be achieved through the cooperation between the square transmission rod and the square column of the first interlocking crank arm, but it is not limited to this, and can also be designed as other mutually cooperating structures for abutment as needed, and the transmission rod can also be of other shapes.

[0036] Many specific details are described in the above description to facilitate a full understanding of the present invention. However, the above description is only a preferred embodiment of the present invention. The present invention can be implemented in many other ways different from those described herein, so the present invention is not limited to the specific implementation disclosed above. At the same time, any person familiar with the art can make many possible changes and modifications to the technical solution of the present invention using the methods and technical contents disclosed above without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of protection of the technical solution of the present invention.

Claims

1. An integrated interlocking mechanism of an inflatable cabinet, used to realize the interlocking between the direct-acting three-position mechanism of the inflatable cabinet and the circuit breaker operating mechanism of the inflatable cabinet, characterized in that: The inflatable cabinet integrated interlocking mechanism comprises a valve clamping plate (1), a first interlocking crank arm (2), a closing brake assembly (3), a rotating assembly (4), a transmission assembly (5) and a reset assembly (6); the valve clamping plate is fixedly connected to the operating valve (100) of the direct-acting three-position mechanism; the first interlocking crank arm is fixedly connected to the main shaft (210) of the circuit breaker operating mechanism; the rotating assembly comprises an interlocking mounting plate (41), a rotating shaft (42), an interlocking swing plate (43), an interlocking pin (44), a second interlocking crank arm ( 45) and two interlocking rollers (46), the interlocking mounting plate is mounted on the top of the frame of the circuit breaker operating mechanism, the rotating shaft is rotatably mounted on the interlocking mounting plate, the interlocking swing plate is mounted on one end of the rotating shaft, the second interlocking crank arm is fixedly connected between the other end of the rotating shaft and the interlocking pin, the two interlocking rollers are mounted on both ends of the interlocking swing plate, and the interlocking pin is inserted and positioned in the claw (11) at the bottom of the valve clamping plate; the transmission assembly is arranged between the first interlocking crank arm and the two interlocking The bottom end of the transmission assembly is opposite to the first interlocking crank arm in the upper and lower parts; the closing brake assembly is installed in the middle of the transmission assembly; when the circuit breaker of the inflatable cabinet is closed, the first interlocking crank arm on the main shaft rotates to abut the bottom end of the transmission assembly, so that the top end of the transmission assembly abuts the two interlocking rollers, brakes the rotating shaft, the interlocking pin and the valve clamping plate, so that the operating valve cannot be opened; when the circuit breaker of the inflatable cabinet is opened and the operating valve needs to be opened, the first interlocking crank arm on the main shaft rotates to abut the bottom end of the transmission assembly, so that the top end of the transmission assembly abuts the two interlocking rollers, brakes the rotating shaft, the interlocking pin and the valve clamping plate, so that the operating valve cannot be opened. The interlocking crank arm rotates to a position away from the bottom end of the transmission assembly, and the operating valve moves left and right to drive the rotating shaft and the interlocking swing plate to rotate through the valve clamping plate and the interlocking pin, so that one of the interlocking rollers drives the transmission assembly and the closing brake assembly downward, so that the closing brake assembly brakes the closing drive assembly (220) of the circuit breaker operating mechanism and stores energy in the reset assembly; the energy stored in the reset assembly is released, so that the closing brake assembly, the transmission assembly and the rotating assembly can be driven to reset; The transmission assembly comprises a transmission rod (51) and an interlocking plate (52), the interlocking plate comprises a vertical plate (521) and a horizontal plate (522) formed on the top of the vertical plate, the horizontal plate is arranged below the two interlocking rollers, the top end of the transmission rod is fixedly connected to the vertical plate, and the bottom end of the transmission rod is vertically opposite to the first interlocking crank arm; two first waist-shaped holes (5211) are formed on the vertical plate, and the vertical plate is fixedly connected to the transmission rod via a fastener penetrated through the first waist-shaped holes; the reset assembly comprises a fixed bent plate (61) and a reset spring (62), the middle part of the fixed bent plate is mounted on the side wall of the frame of the circuit breaker operating mechanism, the reset spring is arranged between two opposite support arms (611) of the fixed bent plate, the middle part of the transmission rod is movably penetrated through the through holes of the reset spring and the two support arms, and the downward movement of the transmission rod can compress the reset spring to store energy.

2. The integrated interlocking mechanism of the inflatable cabinet according to claim 1 is characterized in that: The structure in which the transmission rod moves downward to compress the return spring to store energy is as follows: a pressing pin and a pressing plate (7) are installed on the transmission rod, the pressing pin and the pressing plate are arranged between the two support arms, the pressing pin is installed in a pin hole (511) on the transmission rod, the pressing plate is movably sleeved on the transmission rod, and the pressing plate is positioned between the top end of the return spring and the pressing pin.

3. The integrated interlocking mechanism of the inflatable cabinet according to claim 1 is characterized in that: The closing brake assembly comprises a closing limit plate (31) and a connecting rod (32); the middle portion of the closing limit plate is rotatably mounted on a partition plate in the frame of the circuit breaker operating mechanism via a pin shaft; one end of the connecting rod is fixedly connected to the transmission rod, and the other end of the connecting rod is inserted into a second waist-shaped hole in the closing limit plate; when the transmission rod drives the connecting rod to move downward, the connecting rod drives the closing limit plate to rotate, so that the foot of the closing limit plate abuts against the closing drive assembly.

4. The integrated interlocking mechanism of the inflatable cabinet according to claim 3 is characterized in that: The closing drive assembly comprises a closing coil (221), a closing plastic part (222), a closing connecting plate (223), a closing crank arm (224), a closing cam (225) and a closing spring (226); the closing plastic part, the closing crank arm and the closing cam are rotatably mounted on the frame of the circuit breaker operating mechanism respectively; the closing crank arm has a connecting arm (2241) and a closing energy storage retaining latch (2242) at an obtuse angle; a closing roller (2251) is fixed on the closing cam; the two ends of the closing connecting plate are rotatably connected to the connecting arms of the closing plastic part and the closing crank arm respectively; the closing spring elastically abuts against one side surface of the closing roller; in the open state, the closing energy storage retaining latch of the closing crank arm Abutting against the other side of the closing roller; a closing coil push rod (2211) is provided on the closing coil. When closing, the foot of the closing limit plate is separated from the braking point of the closing plastic part. After receiving the closing signal, the closing coil drives the closing coil push rod to push the closing plastic part to rotate, and drives the closing crank arm to rotate through the closing connecting plate, so that the closing energy storage retaining latch is disengaged from the closing roller. At the same time, the closing spring pushes the closing cam to rotate and hits the main roller on the main shaft to complete the closing; in the open state, after opening the operating valve, the foot of the closing limit plate abuts against the braking point of the closing plastic part, so that the closing coil push rod of the closing coil cannot push the closing plastic part to rotate.

5. The integrated interlocking mechanism of the inflatable cabinet according to claim 1, characterized in that: The transmission rod is square in shape, and the first interlocking crank arm comprises a disc (21) and a square column (22), wherein the disc is sleeved on the main shaft, and the square column is connected to the outer edge of the disc, and the square column is vertically opposite to the bottom end of the transmission rod.

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