Single-motor double-shaft electric three-station rapid isolation mechanism and working method thereof

Abstract

The invention relates to a single-motor double-shaft electric three-station rapid isolation mechanism and a working method thereof.The single-motor double-shaft electric three-station rapid isolation mechanism comprises a mounting table, the mounting table comprises a bottom-layer substrate, a middle-layer substrate and a top-layer substrate, and the top-layer substrate and the middle-layer substrate are provided with an electric isolation mechanism and a manual isolation mechanism with the same rotating shaft respectively; the electric isolation mechanism and the manual isolation mechanism respectively drive a first manual shaft or a second manual shaft to drive a main output shaft to rotate through a motor and a manual operation, and drive a large spring part to rotate through meshing transmission so as to realize three-station switching-on and switching-off. By arranging the electric isolation mechanism and the manual isolation mechanism, switching-on and switching-off of the three-station machine switch are electrically and manually controlled respectively, the motor has high stability and reliability, long-time stable operation can be achieved, and manual control can be flexibly operated according to actual conditions.

Description

Technical Field

[0001] The present invention relates to the technical field of power transmission and distribution isolation devices, and in particular to a single-motor dual-axis electric three-station rapid isolation mechanism and a working method thereof. Background Art

[0002] The three-position fast isolation mechanism is a complex mechanical device, which is widely used in power systems. It is usually used to control and protect high-voltage circuits. When the circuit needs to be repaired or maintained, the three-position isolation switch can be used to isolate the power supply from the load to avoid accidents caused by sudden power connection. Its main function is to control the isolation and grounding operation of the circuit through the closing and opening of the isolation switch, and at the same time provide protection for the safety of the staff. The traditional three-position fast isolation structure has designs such as dual motor dual shaft and single motor dual shaft. The existing single motor dual shaft three-position fast isolation mechanism is a three-position electric operating mechanism for switchgear with announcement number CN102354627A. The mechanism has a driving device, a manual interlocking device and an electrical control device in the chassis; the driving device adopts a single motor, a gear pair, a worm gear pair, a two-way controllable overrunning clutch, and an output shaft, and is connected to the three-position isolation grounding switch through a coupling to realize closing, opening and grounding operations. However, the three-position fast isolation mechanism has a complex structure. When the motor or circuit is damaged, the three-position switch is completely ineffective, which has strong limitations and low safety. Summary of the invention

[0003] In view of the defects of the existing three-station rapid isolation mechanism, such as complex structure, complete three-station switch failure when the motor is damaged, and low safety, the present invention provides a single-motor dual-axis electric three-station rapid isolation mechanism and a working method thereof, which has a simple structure, and when the motor or circuit is damaged, the three-station switch is still effective, has low limitations and high safety performance.

[0004] The present invention provides the following technical solutions:

[0005] It includes a mounting platform, which includes a bottom substrate, a middle substrate and a top substrate. The bottom substrate, the middle substrate and the top substrate are connected by fixed columns and are arranged in ascending order in the longitudinal direction. A main output shaft is rotatably mounted at the center of the bottom substrate, a first manual shaft and a second manual shaft are rotatably mounted on the middle substrate, and an electric isolation mechanism and a manual isolation mechanism are respectively provided on the top substrate and the middle substrate with the same rotating shaft. The electric isolation mechanism and the manual isolation mechanism drive the main output shaft to rotate through a motor and manually drive the first manual shaft or the second manual shaft, and drive the large spring component to rotate through meshing transmission to realize closing and opening of the three-station switch.

[0006] Preferably, the electric isolation mechanism includes a main conveying shaft, a first manual shaft and a second manual shaft. Above the top substrate, an assembly plate and an interlocking shield are installed in sequence near the shaft head of the main output shaft. One end of the assembly plate is connected to the top substrate through a support rod, and the other end is rotatably installed with a protective spur gear. An indicator plate is installed at the shaft head of the main output shaft. The first manual shaft is installed with a first transmission plate and a first spur gear in sequence. Rivet columns that match the arc surface of the first spur gear are symmetrically installed on the first spur gear. The second manual shaft is installed with a second transmission plate and a second spur gear in sequence. The second transmission plate is fixedly connected to the first spur gear through the rivet columns. A motor is provided between the first manual shaft and the second manual shaft. The motor is installed on a motor mounting plate. The motor shaft of the motor passes through the motor mounting plate and is installed with a motor transmission plate and a motor gear in sequence. Rivet columns that match the motor transmission plate are installed on the surface of the motor gear. The first spur gear and the second spur gear are both meshed with the motor gear.

[0007] Preferably, the manual isolation structure includes a main conveying shaft, a first manual shaft and a second manual shaft. Between the middle substrate and the top substrate, the main output shaft is sequentially installed with an upper groove wheel output plate and a lower groove wheel output plate from top to bottom. The upper groove wheel output plate and the lower groove wheel output plate are both provided with a needle roller groove. The first manual shaft and the second manual shaft are symmetrically installed with a first grounding upper plate and a second grounding upper plate respectively. Below the first grounding upper plate, the first manual shaft is sequentially installed with a first grounding lower plate and a first isolation lower plate. Below the second grounding upper plate, the second manual shaft is installed with a second isolation lower plate. Needle roller bearings are installed at the heads of the first isolation lower plate and the second isolation lower plate, and the needle roller bearings match the needle roller grooves.

[0008] Preferably, a large spring component is provided between the first manual shaft and the second manual shaft, and the large spring component includes a linked telescopic shaft and a compression spring. A mounting column is provided between the first grounded upper plates, and a mounting column is provided between the second grounded upper plates. Both ends of the linked telescopic shaft are clamped on the mounting columns, and the compression spring is sleeved on the linked telescopic shaft.

[0009] Preferably, a magnetic blow switch is installed on the top substrate at the right side of the main output shaft, and a door interlocking device is installed on the top substrate near the edge of the top substrate.

[0010] Preferably, the door interlock device is mounted with a door interlock bracket via a connecting plate, and the door interlock bracket is connected to the top substrate via a fixed support column.

[0011] Preferably, corresponding to the door coupling bracket, the top substrate is installed with a flashlight lock, and a flashlight locking block is installed on the side of the flashlight lock.

[0012] Preferably, a micro switch is installed on the flashlight lock below the flashlight locking block, the flashlight lock and the micro switch are adapted, and a central micro switch is installed on the top substrate between the main output shaft and the motor gear, and the central micro switch can be pressed by the motor transmission plate to open and close the circuit.

[0013] The present invention provides a working method of a single-motor dual-axis electric three-station rapid isolation mechanism, comprising:

[0014] S1, motor control closing and opening

[0015] Start the motor. The motor gear is now idle on the motor shaft and does not rotate. The motor then drives the motor shaft to rotate, and drives the motor transmission plate to rotate. If the second manual shaft is working at this time, the motor transmission plate is driven by the rotation of the motor to rotate to the rivet column of the motor gear and connected to it as a whole. The motor transmission plate supports the rivet of the motor gear and pushes the motor gear to rotate. During the rotation process, the motor gear drives the second spur gear to idle on the second manual shaft. When the rivet column on the second spur gear rotates to the second transmission plate, it pushes the second transmission plate to rotate and drives the second manual shaft to rotate together At this time, the second grounding upper plate and the mounting column also rotate together, and the large spring component is driven to rotate during the rotation process. When the spring is compressed to the limit position, the large spring component continues to rotate a certain angle, and the spring is completely released. During this process, the second isolation lower plate on the second manual shaft also rotates with the rotation of the second manual shaft. While rotating, the second isolation lower plate drives its needle bearing to slide into the wheel groove of the upper groove wheel output plate and drives it to rotate. Under the rotation of the upper groove wheel output plate, the main output shaft is driven to rotate. An interlocking shield and the main output are installed on the top of the output shaft. The shaft is a whole), and the rotation of the main output shaft drives the interlocking shield plate and the protective gear to mesh, and also drives the protective gear to rotate. When the second isolation lower plate rotates to the limit position and moves to the position of the column, the second isolation lower plate with a circular arc just fits with the column, and the column blocks the second isolation lower plate from continuing to move, playing a role of limiting. All movements of the isolation mechanism are completed, and the protective gear is also in the limit position. When the end of the protective gear rotates to the position where it can cover the first manual shaft to work, the first manual shaft will be manually operated. The main output shaft has a protruding part. When each moving mechanism moves to the limit position, the protruding part just presses the sensor of the magnetic blow switch. At this time, the sensor sends a signal. After receiving the signal, the motor rotates in the opposite direction. The moving mechanism of the isolation mechanism does not participate in the action. When the motor transmission plate on the motor shaft rotates and presses the sensor of the center micro switch under the drive of the motor, the motor stops moving. At this time, the entire isolation mechanism completes the closing function. The opening function of the mechanism is similar to the closing function, but the opening function can be completed by moving the moving mechanism in the opposite direction at the closing time.

[0016] S2, manual control of closing and opening

[0017] When the first manual shaft is working, the motor transmission plate rotates to the rivet column of the motor gear under the drive of the motor, pushing the motor gear to rotate. During the rotation process, the motor gear drives the first spur gear to idle on the first manual shaft. When the rivet column on the first spur gear rotates to the first transmission plate, it pushes the first transmission plate to rotate and drives the first manual shaft to rotate together. At this time, the first grounding upper plate and the mounting column also rotate together, driving the large spring component to rotate during the rotation process, and the spring is gradually compressed. When the spring is compressed to the limit position, the large spring component continues to rotate a certain angle, and the spring is completely released. During this process, the first isolation lower plate on the first manual shaft also rotates with the rotation of the manual shaft, and drives its needle roller bearing to slide into the needle roller groove of the lower groove wheel output plate, and drives it to rotate. Under the rotation of the lower groove wheel output plate, the main output shaft is driven to rotate, and an interlocking shield is installed on the top of the output shaft. The plate drives the interlocking shield plate and the protective gear to mesh with each other under the rotation of the main output shaft, and also drives the protective gear to rotate. When the first isolation lower plate rotates to the limit position, all movements of the isolation mechanism are completed. At this time, the protective gear is also in the limit position, and the end of the protective gear just rotates to the position that can block the second manual shaft. When each motion mechanism moves to the limit position, the protruding part of the main output shaft just presses the sensor of the magnetic blow switch. At this time, the sensor sends a signal, and the motor rotates in the opposite direction after receiving the signal. The motion mechanism of the isolation mechanism does not participate in the action. When the motor transmission plate on the motor shaft rotates driven by the motor and presses the sensor of the center micro switch, the motor stops moving. At this time, the entire isolation mechanism completes the closing function, and the opening function of the mechanism is similar to the closing function, except that the opening function can be completed by moving in the opposite direction of the closing and motion mechanism.

[0018] The beneficial effects of the present invention are:

[0019] 1. The present invention realizes the closing and opening of the three-station machine switch by electric and manual control respectively by setting an electric isolation mechanism and a manual isolation mechanism. The system control motor usually has high stability and reliability and can operate stably for a long time. Manual control allows the operator to operate flexibly according to actual conditions, especially when the electronic or motor control system fails or requires special operation. Manual control can be used as a backup means or as a common means, which greatly reduces the limitations of the overall mechanism. The two usage methods increase the safety of the equipment.

[0020] 2. The design of the protective spur teeth can provide work protection while serving as a transmission component. This design is very clever, increasing the safety performance of the overall mechanism and further ensuring the safety of the staff.

[0021] 3. The main output shaft, the first manual shaft and the second manual shaft serve as electric and manual transmission shafts at the same time, which ensures the coordinated operation of the components and reduces the complexity of the system, that is, controls the cost and improves the operating efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is an overall stereogram of a single-motor dual-axis electric three-station rapid isolation mechanism and its working method of the present invention;

[0024] Figure 2 A three-dimensional diagram of a workbench of a single-motor, dual-axis, electric, three-station rapid isolation mechanism and a working method thereof according to the present invention;

[0025] Figure 3 A second perspective view of a rolling workbench of a single-motor dual-axis electric three-station rapid isolation mechanism and its working method according to the present invention

[0026] Figure 4 It is a structural schematic diagram of the manual axis portion of a single-motor dual-axis electric three-station rapid isolation mechanism and its working method of the present invention;

[0027] Figure 5 It is a top view of a single-motor dual-axis electric three-station rapid isolation mechanism and its working method in a manual opening state of the present invention;

[0028] Figure 6 A three-dimensional diagram of a motor-opening state of a single-motor dual-axis electric three-station rapid isolation mechanism and a working method thereof of the present invention;

[0029] Figure 7 A top view of a manual closing circuit breaker of a single-motor dual-axis electric three-station rapid isolation mechanism and a working method thereof of the present invention;

[0030] Figure 8 The present invention provides a three-dimensional diagram of the motor closing mechanism of a single-motor dual-axis electric three-station rapid isolation mechanism and its working method.

[0031] In the figure:

[0032] 1. Mounting table; 11. Bottom substrate; 111. Main output shaft; 1111. Assembly plate; 1112. Interlocking shield; 1113. Protective spur gear; 1114. Upper groove wheel output plate; 1115. Lower groove wheel output plate; 1116. Indicator plate; 1117. Rivet column; 12. Middle substrate; 121. First manual shaft; 1211. First transmission plate; 1212. First spur gear; 1213. First grounding upper plate; 1214. First grounding lower plate; 1215. First isolation lower plate; 122. Second manual shaft; 1221. Second transmission plate; 1222 , second spur gear; 1223, second grounding upper plate; 1224, second isolation lower plate; 13, top substrate; 131, motor; 1311, motor gear; 1312, motor transmission plate; 132, motor mounting plate; 133, door interlocking device; 1331, door interlocking bracket; 134, support rod; 135, flashlight lock; 136, magnetic blow switch; 2, large spring component; 21, linkage telescopic shaft; 22, compression spring; 23, mounting column; 3, needle bearing; 4, micro switch; 5, flashlight lock; 51, flashlight lock block; 6, center micro switch. DETAILED DESCRIPTION

[0033] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0034] like Figure 1 - Figure 8 As shown, a single-motor dual-axis electric three-station rapid isolation mechanism and a working method thereof of the present invention include a mounting platform 1, the mounting platform 1 includes a bottom substrate 11, a middle substrate 12 and a top substrate 13, the bottom substrate 11, the middle substrate 12 and the top substrate 13 are connected by a fixing column and are arranged in layers in the longitudinal direction, a main output shaft 111 is rotatably mounted at the center of the bottom substrate 11, and the extended end of the main output shaft 111 passes through the middle substrate 12 and the top substrate 13 in sequence, the middle substrate 12 is rotatably symmetrically mounted with a first manual shaft 121 and a second manual shaft 122, the shaft heads of the first manual shaft 121 and the second manual shaft 122 both pass through the top substrate 13, the top substrate 13 and the middle substrate 12 are respectively provided with an electric isolation mechanism and a manual isolation mechanism on the same rotating shaft, the electric isolation mechanism and the manual isolation mechanism respectively drive the main output shaft 111 to rotate through the motor 13 or manually drive the first manual shaft 121 or the second manual shaft 122, and drive the large spring component 2 to rotate through meshing transmission to realize the closing and opening of the three-station;

[0035] The electric isolation mechanism includes a main conveying shaft 111, a first manual shaft 121 and a second manual shaft 122. Above the top substrate 13, the main output shaft 111 is sequentially installed with an assembly plate 1111 and an interlocking shield 1112 near the shaft head. One end of the assembly plate 1111 is connected to the top substrate 13 through a support rod 134, and the other end is rotatably installed with a protective spur gear 1113. The shaft head of the main output shaft 111 is installed with an indicator plate 1116. The first manual shaft 121 is sequentially installed with a first transmission plate 1211 and a first spur gear 1212. The first spur gear 1212 is symmetrically installed with rivet studs that match the arc surface of the first spur gear 1212. The second manual shaft 122 is sequentially installed with a first transmission plate 1211 and a first spur gear 1212. A second transmission plate 1221 and a second spur tooth 1222 are installed. The second transmission plate 1221 is fixedly connected to the first spur tooth 1222 through a rivet column. A motor 13 is provided between the first manual shaft 121 and the second manual shaft 122. The motor 13 is installed on a motor mounting plate 132. The motor shaft of the motor 13 passes through the motor mounting plate 132 and is sequentially installed with a motor transmission plate 1312 and a motor gear 1311. A rivet column adapted to the motor transmission plate 1312 is installed on the surface of the motor gear 1311. The first spur tooth 1212 and the second spur tooth 1222 are both meshed with the motor gear 1211. The setting of the rivet column can drive the gear to rotate when the transmission plate rotates to a certain position.

[0036] The manual isolation structure includes a main conveying shaft 111, a first manual shaft 121 and a second manual shaft 122; between the middle substrate 12 and the top substrate 13, the main output shaft 111 is sequentially installed with an upper groove wheel output plate 1114 and a lower groove wheel output plate 1115 from top to bottom, and the upper groove wheel output plate 1114 and the lower groove wheel output plate 1115 are both provided with a roller needle slide groove, and the first manual shaft 121 and the second manual shaft 122 are symmetrically installed with a first grounding upper plate 1213 and a second grounding upper plate 1223 respectively, below the first grounding upper plate 1213, the first manual shaft 121 is sequentially installed with a first grounding lower plate 1214 and a first isolation lower plate 1215, below the second grounding upper plate 1223, the second manual shaft 122 is installed with a second isolation lower plate 1224, and the heads of the first isolation lower plate 1215 and the second isolation lower plate 1224 are both installed with needle roller bearings 3, and the needle roller bearings 3 match the needle roller slide groove;

[0037] A large spring component 2 is provided between the first manual shaft 121 and the second manual shaft 122, and the large spring component 2 includes a linkage telescopic shaft 21 and a compression spring 22. A mounting column 23 is provided between the first grounding upper plate 1213, and a mounting column 23 is provided between the second grounding upper plate 1223. Both ends of the linkage telescopic shaft 21 are clamped on the mounting column 23, and the compression spring 22 is sleeved on the linkage telescopic shaft 21.

[0038] On the right side of the main output shaft 111, a magnetic blow switch 136 is installed on the top substrate 13, and near the edge of the top substrate 13, a door interlock device 133 is installed on the top substrate 13, and the door interlock device 133 is installed with a door interlock bracket 1331 through a connecting plate, and the door interlock bracket 1331 is connected to the top substrate 13 through a fixed support column, and corresponding to the door interlock bracket 1331, a flashlight lock 5 is installed on the top substrate 13, and a flashlight lock block 51 is installed on the side of the flashlight lock 5, and a micro switch 4 is installed on the flashlight lock 5 below the flashlight lock block 51, and the flashlight lock 5 and the micro switch 4 are adapted to each other, and the circuit can be opened and closed by rotating the flashlight lock 5, and a center micro switch 6 is installed on the top substrate 13 between the main output shaft 111 and the motor gear, and the center micro switch 6 can be pressed by the motor transmission plate 1312 to realize the circuit opening and closing.

[0039] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A single-motor dual-axis electric three-station rapid isolation mechanism and its working method, comprising: A mounting platform (1), the mounting platform (1) comprising a bottom substrate (11), a middle substrate (12) and a top substrate (13), the bottom substrate (11), the middle substrate (12) and the top substrate (13) being connected by fixing columns and arranged in ascending order in the longitudinal direction, the bottom substrate (11) being rotatably mounted with a main output shaft (111) at the center, the middle substrate (12) being rotatably mounted with a first manual shaft (121) and a second manual shaft (122), characterized in that: the top substrate (13) and the middle substrate (12) are respectively provided with an electric isolation mechanism and a manual isolation mechanism on the same rotating shaft, the electric isolation mechanism and the manual isolation mechanism respectively drive the main output shaft (111) to rotate through a motor (13) and manually drive the first manual shaft (121) or the second manual shaft (122), and drive the large spring component (2) to rotate through meshing transmission to realize closing and opening of the three-position switch.

2. A single-motor dual-axis electric three-station rapid isolation mechanism and its working method as claimed in claim 1, characterized in that: The electric isolation mechanism comprises a main conveying shaft (111), a first manual shaft (121) and a second manual shaft (122); above the top substrate (13), the main output shaft (111) is sequentially mounted with an assembly plate (1111) and an interlocking shielding plate (1112) near the shaft head; one end of the assembly plate (1111) is connected to the top substrate (13) via a support rod (134), and the other end is rotatably mounted with a protective spur tooth (1113); the shaft head of the main output shaft (111) is mounted with an indicator plate (1116); the first manual shaft (121) is sequentially mounted with a first transmission plate (1211) and a first spur tooth (1212); the first spur tooth (1212) is symmetrically mounted with a riveted plate adapted to the arc surface of the first spur tooth (1212); The second manual shaft (122) is sequentially mounted with a second transmission plate (1221) and a second spur tooth (1222); the second transmission plate (1221) is fixedly connected to the first spur tooth (1222) via a rivet column; a motor (13) is arranged between the first manual shaft (121) and the second manual shaft (122); the motor (13) is mounted on a motor mounting plate (132); the motor shaft of the motor (13) passes through the motor mounting plate (132) and is sequentially mounted with a motor transmission plate (1312) and a motor gear (1311); a rivet column adapted to the motor transmission plate (1312) is mounted on the surface of the motor gear (1311); the first spur tooth (1212) and the second spur tooth (1222) are both meshed with the motor gear (1211).

3. A single-motor dual-axis electric three-station rapid isolation mechanism and its working method as claimed in claim 1 or 2, characterized in that: The manual isolation structure comprises a main conveying shaft (111), a first manual shaft (121) and a second manual shaft (122); between the middle substrate (12) and the top substrate (13), the main output shaft (111) is sequentially installed with an upper groove wheel output plate (1114) and a lower groove wheel output plate (1115) from top to bottom; the upper groove wheel output plate (1114) and the lower groove wheel output plate (1115) are both provided with a roller guide groove; the first manual shaft (121) and the second manual shaft (122) are symmetrically installed with a first grounding upper plate (1214) and a lower groove wheel output plate (1115) respectively; 13), a second grounding upper plate (1223), below the first grounding upper plate (1213), the first manual shaft (121) is sequentially installed with a first grounding lower plate (1214) and a first isolation lower plate (1215), below the second grounding upper plate (1223), the second manual shaft (122) is installed with a second isolation lower plate (1224), the heads of the first isolation lower plate (1215) and the second isolation lower plate (1224) are both installed with needle bearings (3), and the needle bearings (3) match the needle roller grooves.

4. A single-motor dual-axis electric three-station rapid isolation mechanism and its working method as claimed in claim 3, characterized in that: A large spring component (2) is arranged between the first manual shaft (121) and the second manual shaft (122), and the large spring component (2) comprises a linked telescopic shaft (21) and a compression spring (22). A mounting column (23) is arranged between the first grounded upper plates (1213), and a mounting column (23) is arranged between the second grounded upper plates (1223). Both ends of the linked telescopic shaft (21) are clamped on the mounting columns (23), and the compression spring (22) is sleeved on the linked telescopic shaft (21).

5. A single-motor dual-axis electric three-station rapid isolation mechanism and its working method as claimed in claim 4, characterized in that: On the right side of the main output shaft (111), the top substrate (13) is installed with a magnetic blow switch (136), and near the edge of the top substrate (13), the top substrate (13) is installed with a door interlocking device (133).

6. A single-motor dual-axis electric three-station rapid isolation mechanism and its working method as claimed in claim 5, characterized in that: The door interlock device (133) is installed with a door interlock bracket (1331) via a connecting plate, and the door interlock bracket (1331) is connected to the top substrate (13) via a fixed support column.

7. A single-motor dual-axis electric three-station rapid isolation mechanism and its working method as claimed in claim 6, characterized in that: Corresponding to the door coupling bracket (1331), the top substrate (13) is installed with a flashlight lock (5), and a flashlight lock block (51) is installed on the side of the flashlight lock (5).

8. A single-motor dual-axis electric three-station rapid isolation mechanism and its working method as claimed in claim 7, characterized in that: Below the flashlight locking block (51), the flashlight locking (5) is equipped with a micro switch (4), the flashlight locking (5) and the micro switch (4) are adapted to each other, and between the main output shaft (111) and the motor gear, the top substrate (13) is equipped with a central micro switch (6), and the central micro switch (6) can be pressed by the motor transmission plate (1312) to open and close the circuit.

9. The working method of the single-motor dual-axis electric three-station rapid isolation mechanism according to any one of claims 1 to 8, characterized in that: The working method comprises the following steps: S1, motor control closing and opening The motor (131) is started, and the motor gear (1311) is now in an empty sleeve on the motor shaft (empty sleeve: the motor gear (1311) does not rotate when the motor shaft rotates). The motor (131) then drives the motor shaft to rotate, and drives the motor transmission plate (1312) to rotate. If the second manual shaft (122) is working at this time, the motor transmission plate (1312) is driven by the rotation of the motor to rotate to the rivet column of the motor gear (1311) (the rivet column is fixed on the motor gear (1311) and connected to form a whole). The motor transmission plate (1312) presses against the rivet of the motor gear (1311) to push the motor gear (1311) to rotate. During the rotation process, the motor gear (1311) drives the second spur gear (122) to rotate. 22) is idle on the second manual shaft (122), when the rivet column on the second spur tooth (1222) rotates to the second transmission plate (1221) (the second transmission plate is fixed on the second manual shaft to form a whole), the second transmission plate (1221) is pushed to rotate and drive the second manual shaft (122) to rotate together, at this time, the second grounding upper plate (1223) and the mounting column (23) also rotate together, and during the rotation process, the large spring component (2) is driven to rotate, when the spring is compressed to the limit position, at this time, the large spring component (2) continues to rotate a certain angle, and the spring is completely released. In this process, the second isolation lower plate (1224) on the second manual shaft (1222) is also rotated along with the second manual shaft (122). The second isolation lower plate (1224) rotates and drives its needle bearing (2) to slide into the wheel groove of the upper groove wheel output plate (1114) while rotating, and drives it to rotate. Under the rotation of the upper groove wheel output plate (1114), the main output shaft (111) is driven to rotate. An interlocking shield plate (1112) is installed on the top of the output shaft (the interlocking shield plate (1112 and the main output shaft (111) are a whole). Under the rotation of the main output shaft (111), the interlocking shield plate (1112) and the protective gear (1113) are driven to mesh and rotate, and the protective gear (1113) is also driven to rotate. When the second isolation lower plate (1225) rotates to the extreme position (the second isolation lower plate (1224) moves to the column), the second isolation lower plate (1225) rotates to the extreme position (the second isolation lower plate (1224) moves to the column) When the second isolation lower plate (1224) with a circular arc just fits with the column, and the column blocks the second isolation lower plate (1225) from continuing to move, playing a role of limiting. All movements of the isolation mechanism are completed. At this time, the protective gear (1113) is also at the limit position. The end of the protective gear (1113) just rotates to a position that can cover the first manual shaft (121) (to prevent the mechanism from misoperating the first manual shaft (121) when the mechanism is working on the second manual shaft (122). At this time, there is a protruding part on the main output shaft (111). When each movement mechanism moves to the limit position, the protruding part just presses the sensor of the magnetic blow switch (136), and the sensor sends a signal.After receiving the signal, the motor rotates in the opposite direction, and the motion mechanism of the isolation mechanism does not participate in the action. When the motor transmission plate (1312) on the motor shaft rotates under the drive of the motor and presses the sensor of the central micro switch (6), the motor stops moving. At this time, the entire isolation mechanism completes the closing function. The opening function of the mechanism is similar to the closing function, except that the opening function can be completed by moving the motion mechanism in the opposite direction of the closing time. S2, manual control of closing and opening When the first manual shaft (121) is working, the motor transmission plate (1312) is driven by the motor to rotate to the rivet column of the motor gear (1311), pushing the motor gear (1311) to rotate. During the rotation process, the motor gear (1311) drives the first straight tooth (1212) to rotate on the first manual shaft (121). When the rivet column on the first straight tooth (1212) rotates to the first transmission plate (1211), it pushes the first transmission plate (1211) to rotate and drives the first manual shaft (121) to rotate together. At this time, the first grounding upper plate (1213) and the installation plate (1213) are connected. The mounting column (23) also rotates together, and during the rotation process, the large spring component (2) is driven to rotate, and the spring is gradually compressed. When the spring is compressed to the limit position, the large spring component (2) continues to rotate a certain angle, and the spring is completely released. During this process, the first isolation lower plate (1215) on the first manual shaft (121) also rotates with the rotation of the manual shaft, and drives its needle bearing (2) to slide into the needle groove of the lower groove wheel output plate (1115), and drives it to rotate. Under the rotation of the lower groove wheel output plate (1115), the main output shaft (111) is driven to rotate. The interlocking shield (1112) is installed on the top of the output shaft. When the main output shaft (111) rotates, the interlocking shield (1112) and the protection gear (1113) are meshed and rotated. At the same time, the protection gear (1113) is also driven to rotate. When the first isolation lower plate (1215) rotates to the limit position, all movements of the isolation mechanism are completed. At this time, the protection gear (1113) is also in the limit position. The end of the protection gear (1113) is just rotated to the position where it can cover the second manual shaft (122). When each movement mechanism moves to When in the extreme position, the protruding portion of the main output shaft (111) just presses the sensor of the magnetic blow switch (136). At this time, the sensor sends a signal. After receiving the signal, the motor rotates in the opposite direction. The motion mechanism of the isolation mechanism does not participate in the action. When the motor transmission plate (1312) on the motor shaft rotates and presses the sensor of the central micro switch (6) under the drive of the motor (131), the motor stops moving. At this time, the entire isolation mechanism completes the closing function. The opening function of the mechanism is similar to the closing function, except that the opening function can be completed by moving in the opposite direction of the closing and motion mechanism.

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