CN112476488A

CN112476488A - Stall maintenance protection device for industrial cutting robot

Info

Publication number: CN112476488A
Application number: CN202011324779.4A
Authority: CN
Inventors: 谭忠良
Original assignee: Guangzhou Dongtong Technology Co ltd
Current assignee: Guangzhou Dongtong Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-12

Abstract

The invention relates to the technical field of industrial robot maintenance equipment, and discloses a stall maintenance protection device for an industrial cutting robot, which comprises a shell, wherein a fixed block is fixedly connected to the outer part of the shell, a coil is fixedly connected to the inner part of the shell, a supporting shell is fixedly connected to the inner part of the shell, a semicircular shell is fixedly connected to the inner part of the supporting shell, and a current variant is arranged in the semicircular shell, so that when a rotating shaft stalls, a driving power supply is controlled by a control center to not drive the rotating shaft to rotate in time, an operator is reminded of stalling in time, the operator is reminded of keeping away from a cutting knife to prevent the operator from being injured due to stalling, the effect of timely reminding the operator of stalling when the rotating shaft stalls is achieved, and the operator can be prevented from being injured due to unconsciousness, thereby protecting the life and property safety of the operator.

Description

Stall maintenance protection device for industrial cutting robot

Technical Field

The invention relates to the technical field of industrial robot maintenance equipment, in particular to a stall maintenance protection device for an industrial cutting robot.

Background

Because a large number of measuring and drawing processes need to be carried out before cutting, not only time is consumed, but also errors are easy to generate, and a large amount of manpower and material resources are wasted, many companies adopt a cutting robot to replace manual work for carrying out the cutting process, and can replace people to carry out monotonous repeated work, but the robot still needs to manually maintain the industrial cutting robot, when the rotating shaft of the industrial cutting robot stalls under the action of external factors, people need to stop and maintain the industrial cutting robot, but the rotating shaft after stalling has high rotating speed and is difficult to stop, and if the industrial cutting robot continues to carry out cutting, the force borne by the cutter is larger when the rotating speed is higher, so that the cutter cannot bear and the cutter breakage phenomenon occurs, an operator does not know when the rotating shaft stalls, and at the moment, if the industrial cutting robot is maintained, the cutter has higher danger, and the operator is extremely easy to be injured,

therefore, in response to these problems, a need exists for a stall maintenance protection device for an industrial cutting robot.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a stall maintenance protection device for an industrial cutting robot, which has the advantages of timely decelerating the rotating shaft until the rotating shaft stops when the rotating shaft stalls and timely reminding an operator of stalling when the rotating shaft stalls, and solves the problems that the rotating speed is high when the rotating shaft stalls, the cutter breakage phenomenon easily occurs, and the operator is easily injured unknowingly when the rotating shaft stalls.

(II) technical scheme

In order to achieve the purposes of timely decelerating the rotating shaft until the rotating shaft stops when the rotating shaft stalls and timely reminding an operator of stalling when the rotating shaft stalls, the invention provides the following technical scheme: a stall maintenance protection device for an industrial cutting robot comprises a shell, wherein a fixed block is fixedly connected to the outer portion of the shell, a coil is fixedly connected to the inner portion of the shell, a supporting shell is fixedly connected to the inner portion of the shell, a semicircular shell is fixedly connected to the inner portion of the supporting shell, an electrorheological body is arranged inside the semicircular shell, a shifting rod rotary table is movably connected to the inner portion of the semicircular shell, a rolling ring is movably connected to the outer portion of the shifting rod rotary table, a fixed ring is movably connected to the outer portion of the rolling ring, a rotary disc is movably connected to the outer portion of the shifting rod rotary table, a push rod is movably connected to the outer portion of the rotary disc, a connecting shell is movably connected to the inner portion of the supporting shell, a blocking block is fixedly connected to the outer portion of the connecting shell, a top shell is fixedly connected to the inner portion of the connecting, the inside fixedly connected with box of pivot, the inside swing joint of box has electro-magnet one, and the outside fixedly connected with kicking block of electro-magnet one, the inside swing joint of box has the trigger subassembly.

Preferably, the number of the fixed blocks is not less than six, all the fixed blocks are uniformly distributed outside the shell at equal angles, a circular hole is formed in the surface of the supporting shell, the semicircular shell is fixedly connected to the inner side of the circular hole, the main materials of the current variant are gypsum, lime, carbon powder and olive oil, the current variant is in a solid state in an electrified state with a specified current amount and in a liquid state in a non-electrified state, the current variant occupies three quarters of the inner space of the semicircular shell, and a conductive column is arranged inside the current variant.

Preferably, the outside swing joint of driving lever carousel is no less than six rolling block, and six are no less than to the quantity of rolling circle, and all equal swing joints of rolling block are in the inboard of rolling circle, and the equal angularly even distribution of all rolling circles is in the inboard of retainer plate, and the recess has been seted up to the inside of rolling disc, and the specification of recess and the specification phase-match of push rod, the inside swing joint of recess has supporting spring, and push rod swing joint is in supporting spring's outside.

Preferably, the number of the blocking blocks is not less than eight, all the blocking blocks are uniformly distributed outside the connecting shell in equal angles, a notch is formed in the surface of the connecting shell, the top shell is fixedly connected inside the notch, the number of the top shells is not less than six, and all the top shells are uniformly distributed inside the connecting shell in equal angles.

Preferably, coupling assembling comprises square shell, two electro-magnets, magnetic path, connecting rod, two short springs, and the square hole has been seted up on the surface of pivot, and square shell fixed connection is in the inboard in square hole, and two fixed connection of electro-magnet are in the inside of square shell, and two equal swing joint of short spring are in the outside of electro-magnet, and two equal swing joint of short spring are in the outside of magnetic path, and connecting rod fixed connection is in the outside of magnetic path, the specification of connecting rod and the specification phase-match of epitheca, the outside fixedly connected with battery of pivot.

Preferably, the box body is internally provided with an elongated slot and an annular slot, the inside of the elongated slot is fixedly connected with a contact, a telescopic spring is movably connected to the inner side of the elongated slot, a first electromagnet is movably connected to the outer side of the telescopic spring, the outer side of the first electromagnet is fixedly connected with a connecting block, a top block is fixedly connected to the outer side of the connecting block, the inside of the box body (18) is respectively provided with a movable slot, the connecting block is movably connected to the inner side of the movable slot, the inside of the elongated slot is fixedly connected with an iron block, the specification of the iron block is matched with the specification of the first electromagnet, the position of the iron block corresponds to that of the first electromagnet, the trigger assembly mainly comprises a positive plate, a negative plate, two connecting springs, two dielectric plates and an insulating plate, the positive plate and the negative plate are fixedly connected to the inner, the specification of the top block is matched with the specification of the dielectric plate and the position of the top block corresponds to that of the dielectric plate.

Preferably, the rotating shaft is electrically connected with a driving power supply, the coil is electrically connected with an external power supply, the conductor is electrically connected with the storage battery, the electromagnet I, the electromagnet II and the conductive column are electrically connected with the storage battery, the driving power supply, the external power supply, the storage battery, the dielectric plate and the contact are electrically connected with the control center, the control center is electrically connected with a signal receiver, and the signal receiver is electrically connected with a remote control end.

Preferably, the coil has current inside, the coil has magnetic field inside, the conductor is perpendicular to the magnetic induction line inside the coil, and the conductor moving to cut the magnetic induction line can generate induction current.

Preferably, the first electromagnet and the second electromagnet can generate magnetism after being electrified, the magnetic pole of the second electromagnet is the same as that of the magnetic block, and the first electromagnet generates magnetism and then adsorbs the iron block.

Preferably, when the area of the dielectric plate in the trigger assembly facing the positive plate and the negative plate is the largest, the circuit is conducted, the area of the dielectric plate facing the positive plate and the negative plate is different, the current is different, and the larger the area of the dielectric plate facing the positive plate and the negative plate is, the larger the current is, and the smaller the current is otherwise.

(III) advantageous effects

Compared with the prior art, the invention provides a stall maintenance protection device for an industrial cutting robot, which has the following beneficial effects:

1. this stall maintenance protection device for industrial cutting robot, through the semicircle shell, the current variant, the driving lever carousel, the rolling circle, the retainer plate, the rolling disc, the push rod, block under the interact between the piece, can make can be timely when the pivot stall make the pivot slow down gradually until stopping under the effect through between the push rod and the piece that blocks, thereby reached in time for it slow down until the effect that stops when the pivot stall, stall when just so having guaranteed the pivot stall, can't carry out cutting process, thereby guaranteed that the cutter can not lead to the cutter to take place to collapse the sword because of the rotational speed is too fast, the cutter has also been protected operator's safety in utilization.

2. This a stall maintenance protection device for industrial cutting robot, through the interact between all structures of this device under, can be so that timely when the pivot stall through control maincenter control drive power supply no longer drive the pivot rotation, and in time remind the operator pivot already stall, remind the operator to keep away from the cutting knife, prevent that it from causing the injury to the operator because of the stall, thereby reached in time remind the operator effect of stall when the pivot stall, just so can make the operator can not receive the injury because of knowing, and then protected operator's the security of the lives and property.

Drawings

FIG. 1 is a schematic diagram of the external structure of an industrial robot according to the present invention;

FIG. 2 is a partial cross-sectional structural schematic of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2 at B in accordance with the present invention;

FIG. 5 is a schematic structural diagram illustrating a connection relationship between portions of the structure shown in FIG. 2 according to the present invention;

FIG. 6 is a schematic view of the connection structure of the semicircular shell, the current transformer, the deflector rod turntable, the rolling ring and the fixing ring.

In the figure: 1. a housing; 2. a fixed block; 3. a coil; 4. a support housing; 5. a semi-circular shell; 6. an electrorheological fluid; 7. a deflector rod turntable; 8. a rolling ring; 9. a stationary ring; 10. rotating the disc; 11. a push rod; 12. a connecting shell; 13. a blocking block; 14. a top shell; 15. a rotating shaft; 16. a conductor; 17. a connecting assembly; 18. a box body; 19. an electromagnet I; 20. a top block; 21. and a triggering component.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a stall maintenance protection device for an industrial cutting robot comprises a housing 1, a fixed block 2 is fixedly connected to the outside of the housing 1, a coil 3 is fixedly connected to the inside of the housing 1, a supporting shell 4 is fixedly connected to the inside of the housing 1, a semicircular shell 5 is fixedly connected to the inside of the supporting shell 4, an electrorheological body 6 is arranged inside the semicircular shell 5, the number of the fixed blocks 2 is not less than six, all the fixed blocks 2 are uniformly distributed on the outside of the housing 1 at equal angles, a circular hole is formed in the surface of the supporting shell 4, the semicircular shell 5 is fixedly connected to the inner side of the circular hole, the electrorheological body 6 is mainly made of gypsum and lime, carbon powder and olive oil, the current variant 6 is solid in the electrified state of the specified current amount and liquid in the non-electrified state, the current variant 6 occupies three fourths of the inner space of the semicircular shell 5, and a conductive column is arranged in the current variant 6.

Half round shell 5's inside swing joint has driving lever carousel 7, driving lever carousel 7's outside swing joint has rolling circle 8, rolling circle 8's outside swing joint has retainer plate 9, driving lever carousel 7's outside swing joint has rolling disc 10, rolling disc 10's outside swing joint has push rod 11, driving lever carousel 7's outside swing joint has the roll block of being no less than six, six are no less than to roll ring 8's quantity, all equal swing joint of roll block are in roll ring 8's inboard, the even distribution in angle such as all roll rings 8 is in retainer plate 9's inboard, the recess has been seted up to rolling disc 10's inside, the specification of recess and push rod 11's specification phase-match, the inside swing joint of recess has supporting spring, 11 swing joint of push rod is in supporting spring's outside.

The inside swing joint that supports shell 4 has connecting shell 12, the outside fixedly connected with of connecting shell 12 blocks piece 13, the inside fixedly connected with top shell 14 of connecting shell 12, it is no less than eight to block the quantity of piece 13, all block the even distribution of angles such as piece 13 in the outside of connecting shell 12, the notch has been seted up on the surface of connecting shell 12, top shell 14 fixed connection is in the inside of notch, six are not less than to the quantity of top shell 14, the even distribution of angles such as all top shells 14 is in the inside of connecting shell 12, the outside swing joint of connecting shell 12 has pivot 15.

Under the mutual action of the semicircular shell 5, the electrorheological fluid 6, the deflector rod rotary table 7, the rolling ring 8, the fixed ring 9, the rotary table 10, the push rod 11 and the stop block 13, it is possible to make the rotating shaft 15 gradually decelerate to stop through the action between the push rod 11 and the stop block 13 when the rotating shaft 15 stalls, thereby reached in time for it slows down until the effect that stops when pivot 15 stall, stall when just so having guaranteed pivot 15 stall, can't carry out cutting process, thereby it can not lead to the cutter to take place to collapse the sword because of the rotational speed is too fast to have guaranteed, the cutter has also protected operator's safety in utilization, the inside fixedly connected with conductor 16 of pivot 15, there is the electric current in the inside of coil 3, there is the magnetic field in coil 3 inside, conductor 16 is perpendicular to the inside magnetic induction line of coil 3, conductor 16 moves cutting magnetic induction line and can produce induced-current.

The external part of the rotating shaft 15 is movably connected with a connecting assembly 17, the connecting assembly 17 mainly comprises a square shell, a second electromagnet, a magnetic block, a connecting rod and two short springs, a square hole is formed in the surface of the rotating shaft 15, the square shell is fixedly connected to the inner side of the square hole, the second electromagnet is fixedly connected to the inner part of the square shell, the two short springs are movably connected to the outer part of the electromagnet, the two short springs are movably connected to the outer part of the magnetic block, the connecting rod is fixedly connected to the outer part of the magnetic block, the specification of the connecting rod is matched with that of the top shell 14, the external part of the rotating shaft 15 is fixedly connected with a storage battery, the internal part of the rotating shaft 15 is fixedly connected with a box body 18, the internal part of the box body 18 is movably connected with a first electromagnet 19, the first electromagnet 19 and the second electromagnet can generate magnetism after being electrified, the magnetic, a trigger assembly 21 is movably connected to the interior of the housing 18.

The inner part of the box body 18 is provided with an elongated slot and an annular slot, the inner part of the elongated slot is fixedly connected with a contact, a telescopic spring is movably connected at the inner side of the elongated slot, the first electromagnet 19 is movably connected at the outer part of the telescopic spring, the outer part of the first electromagnet 19 is fixedly connected with a connecting block, a top block 20 is fixedly connected at the outer part of the connecting block, the inner part of the box body (18) is provided with a movable slot, the connecting block is movably connected at the inner side of the movable slot, the inner part of the elongated slot is fixedly connected with an iron block, the specification of the iron block is matched with the specification of the first electromagnet 19 and the position of the iron block corresponds to the specification of the first electromagnet 19, the trigger assembly 21 mainly comprises a positive plate, a negative plate, two connecting springs, two dielectric plates and an insulating plate, the positive plate, the specification of the top block 20 is matched with that of the dielectric plate and the position of the top block corresponds to that of the dielectric plate, the rotating shaft 15 is electrically connected with a driving power supply, the coil 3 is electrically connected with an external power supply, the conductor 16 is electrically connected with the storage battery, the first electromagnet 19, the second electromagnet and the conductive column are electrically connected with the storage battery, the driving power supply, the external power supply, the storage battery, the dielectric plate and the contact are electrically connected with a control center, the control center is electrically connected with a signal receiver, and the signal receiver is electrically connected with.

The positive when the positive area is the biggest to the dielectric plate in the trigger subassembly 21 and positive plate and negative plate, at this moment, the circuit switches on, dielectric plate and positive plate, the negative plate to the area difference can lead to the electric current different, just to the area big more, the electric current big more, otherwise the electric current is little, through the interact between all structures of this device under, can make timely when 15 stalls of pivot no longer drive pivot 15 rotation through control hub control drive power supply, and in time remind operator pivot 15 to stall, remind the operator to keep away from the cutting knife, prevent that it from causing the injury to the operator because of the stall, thereby reached and in time reminded the effect that the operator has stalled when 15 stalls of pivot, just so can make the operator can not receive the injury because of not knowing, and then protected operator's security of lives.

The device starts to be started, an operator controls the driving power supply to drive the rotating shaft 15 to rotate through the control center, the control center controls the external power supply to electrify the coil 3, magnetic induction lines are generated inside the coil 3, the rotating shaft 15 rotates to drive the conductor 16 to rotate, the conductor 16 rotates to cut the magnetic induction lines to generate induction currents, and the induction currents flow into the storage battery.

When the rotating shaft 15 stalls and rotates under external factors, the rotating shaft 15 stalls and rotates to drive the box body 18 to stall and rotate, the box body 18 stalls and rotates to drive the telescopic spring to move, the telescopic spring moves to drive the electromagnet I19 to move, the centrifugal force applied to the electromagnet I19 is larger than the elastic force of the telescopic spring, the electromagnet I19 is thrown out, and the electromagnet I19 is in contact with the contact.

The contact is triggered, the control center controls the storage battery to be an electromagnet I19, the electromagnet II is powered on, magnetism is generated after the electromagnet is powered on, the magnet is ejected out, the magnet moves to drive the connecting rod to move, the connecting rod moves to be in contact with the top shell 14, the rotating shaft 15 rotates to drive the connecting shell 12 to move under the action of the top shell 14 and the connecting rod, the connecting shell 12 moves to drive the blocking block 13 to move, the blocking block 13 moves to be in contact with the push rod 11, the push rod 11 moves to drive the rotating disc 10 to rotate, the rotating disc 10 rotates to drive the deflector rod rotating disc 7 to move, the deflector rod rotating disc 7 moves to drive the rolling ring 8 to move on the inner side of the fixed ring 9 under the action of the rolling block, the electromagnet I19 is powered on to generate magnetism to move towards the iron block, the electromagnet I19 moves to drive the connecting block to move, the connecting block moves to drive the ejector block.

The positive facing area between dielectric plate and positive plate and negative plate increases to as dielectric plate compression connecting spring for the positive facing area S of dielectric plate and positive plate, negative plate increases, and electric capacity C increases, and the expression is as follows:

C＝εS/4πkd

at the moment, the current changes, at the moment, the circuit is conducted, at the moment, the control center sends a signal to the remote control end through the signal receiver to remind people that the rotating shaft 15 stalls, the control center controls the storage battery to electrify the current variant 6 through the conductive columns, at the moment, the current variant 6 is changed from a liquid state to a solid state under the action of the current, the solid current variant 6 prevents the movement of the rolling ring 8, the rolling ring 8 cannot move to enable the deflector rod rotating disc 7 to not move, and similarly, under the action of the blocking block 13, the push rod 11 compresses the supporting spring, and the rotating shaft 15 gradually decelerates under the action of the push rod 11 and the blocking block 13 until.

When the rotating shaft 15 does not stall, the rotating shaft 15 normally moves, the first electromagnet 19 cannot overcome the elastic force of the telescopic spring, the contact is not triggered, the first electromagnet 19 and the second electromagnet are not electrified, and the rotating shaft 15 normally rotates.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stall maintenance protection device for an industrial cutting robot, comprising a housing (1), characterized in that: the device is characterized in that a fixed block (2) is fixedly connected to the outer part of the shell (1), a coil (3) is fixedly connected to the inner part of the shell (1), a supporting shell (4) is fixedly connected to the inner part of the supporting shell (4), a semicircular shell (5) is fixedly connected to the inner part of the semicircular shell (5), an electric current variant (6) is arranged in the semicircular shell (5), a deflector rod turntable (7) is movably connected to the inner part of the semicircular shell (5), a rolling ring (8) is movably connected to the outer part of the deflector rod turntable (7), a fixed ring (9) is movably connected to the outer part of the rolling ring (8), a rotating disc (10) is movably connected to the outer part of the deflector rod turntable (7), a push rod (11) is movably connected to the outer part of the rotating disc (10), a connecting shell (12) is movably connected to the inner part of the supporting shell (4), a blocking block (13), the outer movable connection of connecting shell (12) has pivot (15), the inside fixedly connected with conductor (16) of pivot (15), the outer movable connection of pivot (15) has coupling assembling (17), the inside fixedly connected with box (18) of pivot (15), the inside movably connected with of box (18) has electro-magnet (19), the outside fixedly connected with kicking block (20) of electro-magnet (19), the inside movably connected with of box (18) triggers subassembly (21).

2. A stall maintenance protection arrangement for an industrial cutting robot as claimed in claim 1 wherein: the quantity of fixed block (2) is no less than six, all fixed block (2) equal angle evenly distributed is in the outside of shell (1), the round hole has been seted up on the surface of support shell (4), semicircle shell (5) fixed connection is in the inboard of round hole, the main material of electrorheological body (6) is gypsum, lime, carbon powder and olive oil, electrorheological body (6) is solid-state under the circular telegram state of regulation electric quantity, be liquid under the non-circular telegram state, the three fourths of the half semicircle shell (5) inner space that electrorheological body (6) account for, the inside of electrorheological body (6) is provided with leads electrical pillar.

3. A stall maintenance protection arrangement for an industrial cutting robot as claimed in claim 1 wherein: the outside swing joint of driving lever carousel (7) is no less than six rolling block, six are no less than to the quantity of rolling circle (8), the equal swing joint of all rolling block is in the inboard of rolling circle (8), the even distribution of angles such as all rolling circle (8) is in the inboard of retainer plate (9), the inside of rolling disc (10) is seted up flutedly, the specification of recess and the specification phase-match of push rod (11), the inside swing joint of recess has supporting spring, push rod (11) swing joint is in supporting spring's outside.

4. A stall maintenance protection arrangement for an industrial cutting robot as claimed in claim 1 wherein: eight is no less than to the quantity of stopping block (13), and all blocks the even distribution of equal angle of block (13) and in the outside of connecting shell (12), and the notch has been seted up on the surface of connecting shell (12), and top shell (14) fixed connection is in the inside of notch, and the quantity of top shell (14) is no less than six, and all top shells (14) equal angle even distribution is in the inside of connecting shell (12).

5. A stall maintenance protection arrangement for an industrial cutting robot as claimed in claim 1 wherein: coupling assembling (17) mainly are by the square shell, electro-magnet two, the magnetic path, the connecting rod, two short spring are constituteed, the square hole has been seted up on the surface of pivot (15), square shell fixed connection is in the inboard in square hole, two fixed connection of electro-magnet are in the inside of square shell, two equal swing joint of short spring are in the outside of electro-magnet, two equal swing joint of short spring are in the outside of magnetic path, connecting rod fixed connection is in the outside of magnetic path, the specification of connecting rod and the specification phase-match of epitheca (14), the outside fixedly connected with battery of pivot (15).

6. A stall maintenance protection arrangement for an industrial cutting robot as claimed in claim 1 wherein: the inner part of the box body (18) is provided with an elongated slot and an annular slot, the inner part of the elongated slot is fixedly connected with a contact, an expansion spring is movably connected to the inner side of the elongated slot, the first electromagnet (19) is movably connected to the outer part of the expansion spring, the outer part of the first electromagnet (19) is fixedly connected with a connecting block, a top block (20) is fixedly connected to the outer part of the connecting block, the inner part of the box body (18) is provided with a movable slot, the connecting block is movably connected to the inner side of the movable slot, the inner part of the elongated slot is fixedly connected with an iron block, the specification of the iron block is matched with the specification of the first electromagnet (19) and corresponds to the position of the iron block, the trigger assembly (21) mainly comprises a positive plate, a negative plate, two connecting springs, two dielectric plates and an insulating plate, the two connecting springs are movably connected to the outer parts of the two dielectric plates respectively, and the specification of the top block (20) is matched with that of the dielectric plates and corresponds to the positions of the dielectric plates.

7. A stall maintenance protection arrangement for an industrial cutting robot as claimed in claim 1 wherein: the rotating shaft (15) is electrically connected with a driving power supply, the coil (3) is electrically connected with an external power supply, the conductor (16) is electrically connected with the storage battery, the electromagnet I (19), the electromagnet II and the conductive column are electrically connected with the storage battery, the driving power supply, the external power supply, the storage battery, the dielectric plate and the contact are electrically connected with the control center, the control center is electrically connected with the signal receiver, and the signal receiver is electrically connected with the remote control end.