CN107084278B

CN107084278B - Driving and driven device of shared driving shaft and method for driving driven device

Info

Publication number: CN107084278B
Application number: CN201710471743.0A
Authority: CN
Inventors: 管文宇
Original assignee: Shanghai Luoci Power Technology Co ltd
Current assignee: Shanghai Luoci Power Technology Co ltd
Priority date: 2017-06-20
Filing date: 2017-06-20
Publication date: 2024-04-16
Anticipated expiration: 2037-06-20
Also published as: CN107084278A

Abstract

The driving and driven device of the shared driving shaft comprises a driving mechanism, a transmission, a flexible shaft, a rack and a control system, wherein the driving mechanism comprises a motor and a driving shaft, the motor is fixed on the rack, the driving shaft is fixedly connected or meshed with an output shaft of the motor, or is made into a whole with the output shaft of the motor, the transmission comprises a transmission wheel, a transmission support and a first reset element, the transmission wheel is movably connected on the transmission support, the transmission support is connected on the rack, the transmission wheel is in transmission connection with the driving shaft through a clutch device, the clutch device is electrically connected with the control system, one end of the first reset element is connected on the transmission wheel, the other end of the first reset element is connected on the transmission support or the rack, one end of the flexible shaft is connected on the transmission, and the other end of the flexible shaft is connected on the driven device. The invention has simple structure, low cost, convenient installation and maintenance, remote control of the driven device and high automation degree.

Description

Driving and driven device of shared driving shaft and method for driving driven device

Technical Field

The invention belongs to the technical field of flexible shaft driving, and particularly relates to a driving and driven device of a common driving shaft and a method for driving the driven device.

Background

The driven device in the prior art generally adopts a structure of which the driving mechanism and the driven device are integrated, so that the driven device is complex in structure, high in cost and inconvenient to install and maintain, the driven device is inconvenient to remotely control, and meanwhile, one driven device is required to be provided with one driving mechanism, and the utilization rate of the driving mechanism is low.

Disclosure of Invention

The first object of the present invention is to provide a driving and driven device with a common driving shaft, which has a simple structure, is low in cost, is convenient to install and maintain, and can remotely control the driven device.

The technical scheme for realizing the first purpose is as follows: a driving and driven device sharing a driving shaft is characterized in that: comprises a driving mechanism, a driver, a flexible shaft, a frame and a control system, wherein the driving mechanism comprises a motor and a driving shaft, the motor is fixedly connected to the frame, the driving shaft is fixedly connected or meshed with an output shaft of the motor or is made into a whole with the output shaft of the motor, the driver comprises a driving wheel, a driver bracket and a first reset element, the driving wheel is movably connected to the driver bracket, the transmission device comprises a transmission support, a transmission shaft, a clutch device, a control system, a first reset element, a flexible shaft, a driven device and a transmission support.

The driven device comprises a shell, an executing part, a position sensor and a second reset element, wherein the executing part is movably connected to the shell, the position sensor is fixedly connected to the shell and is electrically connected with the control system, one end of the second reset element is connected with the shell, the other end of the second reset element is connected with the executing part, one end of a core wire of the flexible shaft is connected to a driving wheel of the driver, the other end of the core wire of the flexible shaft is connected to the executing part of the driven device, one end of a sleeve of the flexible shaft is fixed to a driver support of the driver, and the other end of the sleeve of the flexible shaft is fixed to the shell of the driven device.

The actuating component is a valve plate, the valve plate is rotationally connected to the shell, and the other end of the second reset element is connected with the valve plate.

The actuating component is a deflector rod, a turntable with a convex edge is further arranged in the shell, the turntable and the deflector rod are both movably connected to the central shaft of the shell, the second reset element is a spiral spring sleeved on the central shaft, a deflector sheet capable of being contacted with the convex edge on one side is arranged on the deflector rod, the deflector sheet is limited in one direction and can move reversely without limitation, and the other end of the second reset unit is connected with the deflector rod.

The actuating component is a first slider, the first slider is in sliding connection in the casing, the first slider has two state positions of first state position, second state position, the other end of second reset element is connected with the first slider.

The actuating component is a second slider, the second slider is in sliding connection in the casing, the second slider has three status bits of first status bit, second status bit and third status bit, and can switch between different status bits, the other end of second reset element is connected with the second slider, the second slider still is connected with two flexible axles.

The driving wheel is sleeved on the driving shaft and is coaxially arranged with the driving shaft, and the clutch device is one of the following three structures:

a. the clutch device comprises an electromagnet coil, an electromagnet valve core and a valve core reset element, wherein the electromagnet coil is fixedly connected with a driving wheel, the input end of the electromagnet coil is electrically connected with the output end of the control system, the electromagnet valve core is slidably connected in an inner hole of the electromagnet coil and can prop against or separate from the driving shaft, one end of the valve core reset element is connected with the electromagnet valve core, and the other end of the valve core reset element is connected with the electromagnet coil;

b. the clutch device comprises a sealing cavity, a sliding block and a sliding block reset element, wherein the sealing cavity is fixedly connected with a driving wheel and is provided with a pipeline interface for communicating with an air supply device controlled by a control system, the sliding block is slidably connected in an inner hole of the sealing cavity and can prop against or separate from a driving shaft, one end of the sliding block reset element is connected with the sliding block, and the other end of the sliding block reset element is connected with the sealing cavity;

c. the clutch device comprises a first electromagnet, a first magnet and a hoop, wherein one ends of the first electromagnet and the hoop are fixedly connected to the driving wheel, the first electromagnet is electrically connected with the control system, the hoop can be locked or unlocked with the driving shaft, the other end of the hoop is connected with the first magnet, and the first magnet is made of soft magnetic materials or permanent magnets or electromagnets.

The clutch device comprises a second electromagnet which is fixedly connected to the driver support and is electrically connected with the control system, the driving wheel is provided with a wheel shaft, a second magnet is arranged on the wheel shaft, the wheel shaft is slidably connected to the driver support, the driving wheel is in transmission connection with the driving shaft in a clutch manner along with the sliding of the wheel shaft, and the second magnet is a permanent magnet or an electromagnet.

The clutch device comprises a third electromagnet, a first wheel body and a first wheel body support, wherein the third electromagnet and the first wheel body support are fixedly connected to the frame and are electrically connected with the control system, the first wheel body is provided with a wheel shaft, the wheel shaft is provided with a third magnet, the wheel shaft is slidably connected to the first wheel body support, the first wheel body is in clutchable simultaneous transmission connection with the driver and the driving shaft, and the third magnet is a permanent magnet or an electromagnet.

The second object of the present invention is to provide a method for driving a driven device by a driven device and driving a common driving shaft with high automation degree.

The technical scheme for realizing the second purpose is as follows: a method for driving a driven device by a driving and driven device sharing a driving shaft: the innovation point is that: the driving and driven device adopting the common driving shaft comprises the following steps:

a) The motor drives the driving shaft to rotate, the driving wheel and the driving shaft are in a separated state, the execution part of the driven device is in a first state bit;

b) When a driven device needs to be converted to a second state position or a third state position by an executing component, a control system controls a corresponding clutch device to act, so that a driving wheel of a corresponding driver is in direct or indirect driving connection with a driving shaft, the driving wheel rotates by an angle, and a core wire of a flexible shaft connected with the driving wheel drives the executing component of the driven device to move to the second state position or the third state position;

c) When the executing part of the driven device moves to the second state position or the third state position, the position sensor outputs a signal and feeds the signal back to the control system;

d) The control system controls the clutch device to cancel the action, so that the driving wheel of the driver is not directly or indirectly connected with the driving shaft any more, the driving wheel is reset under the action of the first reset element, and the execution part of the driven device is restored to the first state position.

The invention has the advantages that: 1) Because one end of the flexible shaft is connected to the driver, the other end of the flexible shaft is connected to the driven device, therefore, the driven device does not need a self-contained driving source, has simple structure and low cost, and is convenient to install and maintain; 2) One end of the flexible shaft is connected to the driver, and the other end of the flexible shaft is connected to the driven device, so that the driven device can be remotely controlled; 3) The driving of the shared driving shaft and the driving of the driven device are controlled by the control system, so that the automation degree is high; 4) The flexible shaft core wire is sleeved with the flexible shaft guide sleeve and moves in the flexible shaft guide sleeve, and the flexible shaft guide sleeve can be laid along any route, so that a driven device connected with the flexible shaft is not limited in direction, and the installation position of a driving mechanism is not limited, and the practical application range of the invention is greatly expanded.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic illustration of a first clutch arrangement;

FIG. 3 is a schematic illustration of a second clutch arrangement;

FIG. 4 is a schematic illustration of a third clutch arrangement;

FIG. 5 is a schematic illustration of an actuator of a first driven device in a first state bit;

FIG. 6 is a schematic diagram of the actuator of the first driven device in a second state bit;

FIG. 7 is a schematic illustration of an actuator of a second driven device in a first state bit;

FIG. 8 is a schematic diagram of an actuator of a second driven device in a second state bit;

FIG. 9 is a schematic illustration of the actuation member of the third and fourth driven devices moving from the first state position to the second state position;

FIG. 10 is a schematic view of a third driven device with a lever driving rib;

FIG. 11 is a schematic view of a fourth driven device with a lever driving rib in motion;

FIG. 12 is a schematic illustration of the actuation member of the third and fourth driven devices moving from the second state position to the first state position;

FIG. 13 is a schematic view of a third driven device with a lever slid over a rib;

FIG. 14 is a schematic view of a fourth driven device having a lever slid over a rib;

FIG. 15 is a schematic view of a fourth clutch arrangement;

FIG. 16 is a schematic illustration of a fifth clutch arrangement;

FIG. 17 is a schematic illustration of an actuator of a fifth driven device in a first state bit;

FIG. 18 is a schematic illustration of an actuator of a fifth driven device in a second state bit;

FIG. 19 is a schematic illustration of an actuator of a fifth driven device in a third state bit;

FIG. 20 is a schematic diagram of a sixth driven device;

fig. 21 is a schematic structural view of a seventh driven device;

fig. 22 is a schematic structural view of an eighth driven device;

fig. 23 is a schematic structural view of a ninth driven device.

Detailed Description

The invention is further described below with reference to the drawings and examples given.

As shown in fig. 1 and 2, a driving and driven device with a common driving shaft is characterized in that: the device comprises a driving mechanism 1, a driver 2, a flexible shaft 3, a rack 4 and a control system 6, wherein the driving mechanism 1 comprises a motor 11 and a driving shaft 12, the motor 11 is fixedly connected to the rack 4, the driving shaft 12 is fixedly connected or meshed with an output shaft of the motor 11 or is integrally formed with the output shaft of the motor 11, the driver 2 comprises a driving wheel 21, a driver support 22 and a first reset element 23, the driving wheel 21 is movably connected to the driver support 22, the driver support 22 is connected to the rack 4, the driving wheel 21 is in transmission connection with the driving shaft 12 through a clutch device 200, the clutch device 200 is electrically connected with the control system 6, one end of the first reset element 23 is connected to the driving wheel 21, the other end of the first reset element is connected to the driver support 22 or the rack 4, one end of the flexible shaft 3 is connected to the driver 2, and the other end of the flexible shaft 3 is connected to a driven device 5. The control system 6 can be an electric control system or a pneumatic control system, the electric control system can be a PLC, a singlechip, a computer and the like, and the model of the PLC is Mitsubishi F multiplied by 3U or Siemens S7-200.

As shown in fig. 5 to 9, 12 and 17 to 19, the driven device 5 includes a housing 53, an executing member 54, a position sensor 55 and a second reset element 56, where the executing member 54 is movably connected to the housing 53, the position sensor 55 is fixedly connected to the housing 53 and the position sensor 55 is electrically connected to the control system 6, one end of the second reset element 56 is connected to the housing 53, the other end is connected to the executing member 54, one end of the core wire 31 of the flexible shaft 3 is connected to the driving wheel 21 of the driver 2, the other end is connected to the executing member 54 of the driven device 5, one end of the sleeve 32 of the flexible shaft 3 is fixed to the driver support 22 of the driver 2, and the other end is fixed to the housing 53 of the driven device 5.

As shown in fig. 20 to 23, the driven device 5 may also include a housing 53, an executing member 54 and a position sensor 55, where the executing member 54 is movably connected to the housing 53, the position sensor 55 is fixedly connected to the housing 53 and the position sensor 55 is electrically connected to the control system 6, at least two flexible shafts 3 connected to the driven device 5, one end of a core wire 31 of the flexible shaft 3 is connected to the driving wheel 21 of the driver 2, the other end of the core wire 31 is connected to the executing member 54 of the driven device 5, one end of a sleeve 8 of the flexible shaft 3 is fixed to the driver support 22 of the driver 2, the other end of the sleeve 8 is fixed to the housing 53 of the driven device 5, and the core wires 31 of different flexible shafts 3 connected to the same driven device 5 are connected to the executing member 54 along different movement directions of the executing members 54 of the driven device 5.

As shown in fig. 5 and 6, the actuating member 54 is a valve plate 57, the valve plate 57 is rotatably connected to the housing 53, the other end of the second reset element 56 is connected to the valve plate 57, and the core wire 31 of the flexible shaft 3 and the second reset element 56 are connected to the valve plate 57 along the direction in which the valve plate 57 moves to the first state position 54-1 and the second state position 54-2, respectively.

As shown in fig. 7 and 8, the actuating member 54 is a first slider 58, the first slider 58 is slidably connected in the housing 53, and there are two switchable first status positions 54-1 and second status positions 54-2 in the housing 53, the other end of the second reset element 56 is connected to the first slider 58, and the core wire 31 of the flexible shaft 3 and the other end of the second reset element 56 are connected to the first slider 58 along the direction in which the first slider 58 moves to the first status position 54-1 and the second status position 54-2, respectively. As shown in fig. 9, 10, 12 and 13, the actuating member 54 is a shift lever 59, a rotary table 60 with a convex edge 61 is further provided in the housing 53, the rotary table 60 and the shift lever 59 are both movably connected to a central shaft 62 of the housing 53, the second reset element 56 is a coil spring 561 sleeved on the central shaft 62, the shift lever 59 is provided with a shift plate 65 capable of contacting the convex edge 61 on one side, the shift plate 65 is limited in one direction and can move reversely without limitation, the other end of the second reset unit 56 is connected with the shift lever 59, and the core wire 31 of the flexible shaft 3 and the second reset element 56 are respectively connected to the shift lever 59 along the direction of movement of the shift lever 59 to the first state position 54-1 and the second state position 54-2.

As can be seen in fig. 11 and 14, the paddle 65 in fig. 9, 10, 12, and 13 may also be a paddle 651 movably coupled to the lever 59.

As can also be seen from fig. 20 to 23, the second resetting unit 56 in fig. 5 to 9, 12 and 17 to 19 can also be replaced by another flexible shaft 3 which is connected to the actuating element 54.

As shown in fig. 20, the executing component 54 may be a valve plate 57, the valve plate 57 is rotatably connected to the housing 53, two flexible shafts 3 connected to the driven device 5 are provided, one ends of core wires 31 of the two flexible shafts 3 are respectively connected to the driving wheels 21 of the two actuators 2, and the other ends are respectively connected to the valve plate 54 along two moving directions of the valve plate 54.

As shown in fig. 22, the executing component 54 may be a shift lever 59, the housing 53 is further provided therein with a rotary disc 60 with a rib 61, the rotary disc 60 and the shift lever 59 are both movably connected to a central shaft 62 of the housing 53, the shift lever 59 is provided with a shift piece 65 capable of contacting the rib 61 on a single side, the shift piece 65 is limited in one direction and is unlimited in the opposite direction, two flexible shafts 3 connected with the driven device 5 are provided, one ends of core wires 31 of the two flexible shafts 3 are respectively connected to the driving wheels 21 of the two drivers 2, and the other ends are respectively connected to the shift lever 94 along two moving directions of the shift lever 94.

As shown in fig. 21, the executing component 54 may be a first slider 58, where the first slider 58 is slidably connected in the housing 53, the first slider 58 has a first state position 54-1 and a second state position 54-2, and the other ends of the core wires 31 of the two flexible shafts 3 are connected to the first slider 58.

As shown in fig. 18, 19, and 23, the executing component 54 may be a second slider 581, where the second slider 581 is slidably connected in the housing 53, and the second slider 581 has three status bits, i.e., a first status bit 54-1, a second status bit 54-2, and a third status bit 54-3, in the housing 53, and is switchable between different status bits, the second slider 581 is connected to the other ends of the core wires 31 of the three flexible shafts 3, and the other ends of the core wires 31 of the three flexible shafts 3 are respectively connected to the second slider 581 along the directions of the first status bit 54-1, the second status bit 54-2, and the third status bit 54-3 of the second slider 581.

As shown in fig. 2 to 4 and 15 to 16, the driving wheel 21 is sleeved on the driving shaft 12 and is coaxially arranged with the driving shaft 12, the clutch device 200 comprises an electromagnet coil 21-1, an electromagnet valve core 21-2 and a valve core reset element 211, the electromagnet coil 21-1 is fixedly connected with the driving wheel 21, the input end of the electromagnet coil is electrically connected with the output end of the control system 6, the electromagnet valve core 21-2 is slidably connected in an inner hole of the electromagnet coil 21-1 and can be abutted against or separated from the driving shaft 12, one end of the valve core reset element 211 is connected with the electromagnet valve core 21-2, and the other end is connected with the electromagnet coil 21-1

As shown in fig. 16, the driving wheel 21 is sleeved on the driving shaft 12 and is coaxially disposed with the driving shaft 12, the clutch device 200 includes a sealed cavity 210-1, a sliding block 210-2, and a sliding block reset element 212, the sealed cavity 210-1 is fixedly connected with the driving wheel 21 and has a pipe interface 210-3 for communicating with an air supply device controlled by the control system 6, the sliding block 210-2 is slidably connected in an inner hole of the sealed cavity 210-1 and can abut against or separate from the driving shaft 12, one end of the sliding block reset element 212 is connected with the sliding block 210-2, and the other end is connected with the sealed cavity 210-1.

As shown in fig. 3, the driving wheel 21 is sleeved on the driving shaft 12 and is coaxially arranged with the driving shaft 12, the clutch device 200 includes a first electromagnet 21-4, a first magnet 21-5 and a hoop 21-6, one ends of the first electromagnet 21-4 and the hoop 21-6 are fixedly connected to the driving wheel 21, the first electromagnet 21-4 is electrically connected with the control system 6, the hoop 21-6 can be engaged with or disengaged from the driving shaft 12, the other end of the hoop 21-6 is connected with the first magnet 21-5, and the first magnet 21-5 is made of soft magnetic material or permanent magnet or an electromagnet electrically connected with the control system 6.

As shown in fig. 4, the clutch device 200 may further include a second electromagnet 24, where the second electromagnet 24 is fixedly connected to the driver support 22 and the second electromagnet 24 is electrically connected to the control system 6, the driving wheel 21 is provided with a wheel shaft 21-9, the wheel shaft 21-9 is provided with a second magnet 21-8, the wheel shaft 21-9 is slidably connected to the driver support 22, the driving wheel 21 is slidably connected to the driving shaft 12 along with the sliding of the wheel shaft 21-9 in a driving manner, and the second magnet 21-8 is a permanent magnet or an electromagnet electrically connected to the control system 6.

As shown in fig. 15, the clutch device 200 may further include a third electromagnet 25, a first wheel body 26, and a first wheel body support 29, where the third electromagnet 25 and the first wheel body support 29 are fixedly connected to the frame 4 and the third electromagnet 25 is electrically connected to the control system 6, an axle 28 is disposed on the first wheel body 26, a third magnet 27 is disposed on the axle 28, the axle 28 is slidably connected to the first wheel body support 29, and the first wheel body 26 is simultaneously in transmission connection with the driver 2 and the driving shaft 12 in a clutchable manner, and the third magnet 27 is a permanent magnet or an electromagnet electrically connected to the control system 6.

A method for driving a driven device by a driving and driven device sharing a driving shaft: the innovation point is that: the driving and driven device adopting the common driving shaft comprises the following steps:

a) The motor 11 drives the driving shaft 12 to rotate, the driving wheel 21 and the driving shaft 12 are in a separated state, and the execution part 54 of the driven device 5 is in a first state position 54-1;

b) When a driven device 5 needs to switch the execution part 54 to the second state position 54-2 or the third state position 54-3, the control system 6 controls the corresponding clutch device 200 to act, so that the driving wheel 21 of the corresponding driver 2 is directly or indirectly connected with the driving shaft 12, the driving wheel 21 rotates by a certain angle, and the core wire 31 of the flexible shaft 3 connected with the driving wheel 21 drives the execution part 54 of the driven device 5 to move to the second state position 54-2 or the third state position 54-3;

c) When the execution part 54 of the driven device 5 moves to the second state bit 54-2 or the third state bit 54-3, the position sensor 55 outputs a signal and feeds back to the control system 6;

d) The control system 6 controls the clutch device 200 to cancel the action, so that the driving wheel 21 of the driver 2 and the driving shaft 12 are not directly or indirectly connected, the driving wheel 21 is reset under the action of the first reset element 23, and the executing part 54 of the driven device 5 is restored to the first state position 54-1.

Claims

1. A drive and driven device for a common drive shaft, characterized by: the driving mechanism (1) comprises a motor (11) and a driving shaft (12), the motor (11) is fixedly connected to the frame (4), the driving shaft (12) is fixedly connected or meshed to an output shaft of the motor (11) or is integrated with the output shaft of the motor (11), the driver (2) comprises a driving wheel (21), a driver support (22) and a first reset element (23), the driving wheel (21) is movably connected to the driver support (22), the driver support (22) is connected to the frame (4), the driving wheel (21) is in transmission connection with the driving shaft (12) through a clutch device (200), the clutch device (200) is electrically connected with the control system (6), one end of the first reset element (23) is connected to the driving wheel support (22) or the frame (4), the other end of the driving shaft (3) is connected to the driver (2), the other end of the driving shaft (3) is connected to the driven wheel (5), and the driven member (54) is arranged on the driven member (5) The device comprises a position sensor (55) and a second reset element (56), wherein the execution part (54) is movably connected to a shell (53), the position sensor (55) is fixedly connected to the shell (53) and is electrically connected with a control system (6), one end of the second reset element (56) is connected with the shell (53), the other end of the second reset element is connected with the execution part (54), one end of a core wire (31) of a flexible shaft (3) is connected to a driving wheel (21) of a driver (2), the other end of the core wire is connected to the execution part (54) of a driven device (5), one end of a sleeve (32) of the flexible shaft (3) is fixed to a driver support (22) of the driver (2), and the other end of the sleeve is fixed to the shell (53) of the driven device (5).

2. The drive and driven device for a common drive shaft according to claim 1, wherein: the actuating component (54) is a valve plate (57), the valve plate (57) is rotatably connected to the housing (53), and the other end of the second reset element (56) is connected with the valve plate (57).

3. The drive and driven device for a common drive shaft according to claim 1, wherein: the actuating component (54) is a deflector rod (59), a rotary table (60) with a convex edge (61) is further arranged in the shell (53), the rotary table (60) and the deflector rod (59) are movably connected to a center shaft (62) of the shell (53), the second reset element (56) is a spiral spring (561) sleeved on the center shaft (62), a deflector plate (65) capable of being in unilateral surface contact with the convex edge (61) is arranged on the deflector rod (59), the deflector plate (65) is limited in one direction and can move reversely without limitation, and the other end of the second reset element (56) is connected with the deflector rod (59).

4. The drive and driven device for a common drive shaft according to claim 1, wherein: the actuating component (54) is a first sliding block (58), the first sliding block (58) is slidably connected in the shell (53), the first sliding block (58) is provided with a first state position (54-1) and a second state position (54-2), and the other end of the second reset element (56) is connected with the first sliding block (58).

5. The driving and driven device for a common driving shaft according to claim 1, the method is characterized in that: the actuating component (54) is a second slider (581), the second slider (581) is slidably connected in the shell (53), the second slider (581) is provided with three status bits of a first status bit (54-1), a second status bit (54-2) and a third status bit (54-3), and can be switched between different status bits, the other end of the second reset element (56) is connected with the second slider (581), and the second slider (581) is also connected with two flexible shafts (3).

6. The drive and driven device for a common drive shaft according to claim 1, wherein: the driving wheel (21) is sleeved on the driving shaft (12) and is coaxially arranged with the driving shaft (12), and the clutch device (200) is one of the following three structures:

a. the clutch device (200) comprises an electromagnet coil (21-1), an electromagnet valve core (21-2) and a valve core reset element (211), wherein the electromagnet coil (21-1) is fixedly connected with a driving wheel (21) and the input end of the electromagnet coil is electrically connected with the output end of the control system (6), the electromagnet valve core (21-2) is slidably connected in an inner hole of the electromagnet coil (21-1) and can prop against or separate from the driving shaft (12), one end of the valve core reset element (211) is connected with the electromagnet valve core (21-2), and the other end of the valve core reset element is connected with the electromagnet coil (21-1);

b. the clutch device (200) comprises a sealing cavity (210-1), a sliding block (210-2) and a sliding block reset element (212), wherein the sealing cavity (210-1) is fixedly connected with a driving wheel (21) and is provided with a pipeline interface (210-3) used for being communicated with an air supply device controlled by a control system (6), the sliding block (210-2) is slidably connected in an inner hole of the sealing cavity (210-1) and can prop against or separate from a driving shaft (12), one end of the sliding block reset element (212) is connected with the sliding block (210-2), and the other end of the sliding block reset element is connected with the sealing cavity (210-1);

c. the clutch device (200) comprises a first electromagnet (21-4), a first magnet (21-5) and a hoop (21-6), wherein one ends of the first electromagnet (21-4) and the hoop (21-6) are fixedly connected to the driving wheel (21), the first electromagnet (21-4) is electrically connected with the control system (6), the hoop (21-6) can be in cohesion or disconnection with the driving shaft (12), the other end of the hoop (21-6) is connected with the first magnet (21-5), and the first magnet (21-5) is made of soft magnetic materials or permanent magnets or electromagnets.

7. The drive and driven device for a common drive shaft according to claim 1, wherein: the clutch device (200) comprises a second electromagnet (24), the second electromagnet (24) is fixedly connected to the driver support (22) and is electrically connected with the control system (6), the driving wheel (21) is provided with a wheel shaft, the wheel shaft is provided with a second magnet (21-8), the wheel shaft is slidably connected to the driver support (22), the driving wheel (21) is in transmission connection with the driving shaft (12) along with the sliding of the wheel shaft in a clutchable manner, and the second magnet (21-8) is a permanent magnet or an electromagnet.

8. The drive and driven device for a common drive shaft according to claim 1, wherein: the clutch device (200) comprises a third electromagnet (25), a first wheel body (26) and a first wheel body support (29), wherein the third electromagnet (25) and the first wheel body support (29) are fixedly connected to the frame (4) and are electrically connected with the control system (6), a wheel shaft is arranged on the first wheel body (26), a third magnet (27) is arranged on the wheel shaft, the wheel shaft is slidably connected to the first wheel body support (29), the first wheel body (26) is in clutchable simultaneous transmission connection with the transmission device (2) and the driving shaft (12), and the third magnet (27) is a permanent magnet or an electromagnet.

9. A method for driving a driven device by a driving and driven device sharing a driving shaft: the method is characterized in that: driving and driven by the common driving shaft according to claim 4, and comprising the steps of:

a) The motor (11) drives the driving shaft (12) to rotate, the driving wheel (21) and the driving shaft (12) are in a separated state, and the execution part (54) of the driven device (5) is in a first state position (54-1);

b) When a driven device (5) needs to be converted into a second state position (54-2) by an executing component (54), a control system (6) controls a corresponding clutch device (200) to act, so that a driving wheel (21) of a corresponding driver (2) is directly or indirectly connected with a driving shaft (12) in a driving way, the driving wheel (21) is caused to rotate by a certain angle, and a core wire (31) of a flexible shaft (3) connected with the driving wheel (21) drives the executing component (54) of the driven device (5) to move towards the second state position (54-2);

c) When the execution part (54) of the driven device (5) moves to the second state position (54-2), the position sensor (55) outputs a signal and feeds the signal back to the control system (6);

d) The control system (6) controls the clutch device (200) to cancel the action, so that the driving wheel (21) of the driver (2) and the driving shaft (12) are not directly or indirectly connected, the driving wheel (21) is reset under the action of the first reset element (23), and the execution part (54) of the driven device (5) is restored to the first state position (54-1).

10. A method for driving a driven device by a driving and driven device sharing a driving shaft: the method is characterized in that: driving and driven device driving using the common driving shaft according to claim 5, and comprising the steps of:

b) When a driven device (5) needs to be converted into a second state position (54-2) or a third state position (54-3) by an executing component (54), a control system (6) controls a corresponding clutch device (200) to act, so that a driving wheel (21) of the corresponding driver (2) is directly or indirectly connected with a driving shaft (12) in a driving way, the driving wheel (21) is caused to rotate by a certain angle, and a core wire (31) of a flexible shaft (3) connected with the driving wheel (21) drives the executing component (54) of the driven device (5) to move to the second state position (54-2) or the third state position (54-3);

c) When the execution part (54) of the driven device (5) moves to the second state position (54-2) or the third state position (54-3), the position sensor (55) outputs a signal and feeds the signal back to the control system (6);