CN120149981A - A lifting type high voltage electrical interval complete set device - Google Patents

Abstract

The present invention relates to the technical field of high-voltage complete equipment, and in particular to a lifting type high-voltage electrical interval complete device; it comprises a lifting platform, a plurality of piles, a transmission assembly and a plurality of electrical equipment, the lifting platform is arranged between adjacent piles, transmission assemblies are arranged on both sides of each lifting platform, the transmission assembly is used to drive the lifting platform to move along the axial direction of the pile, the electrical equipment comprises an isolating switch, and each lifting platform is correspondingly provided with two isolating switches, the isolating switch comprises a first pillar insulator and a second pillar insulator, the first pillar insulator is arranged on the upper part of the pile, and the second pillar insulator is arranged on the upper part of the lifting platform; when the lifting platform moves to the uppermost end, the first pillar insulator is connected to the second pillar insulator; when the lifting platform moves to the lowermost end, the first pillar insulator and the second pillar insulator are disconnected; the present invention improves the space utilization rate, facilitates the maintenance work of the electrical equipment at high places, and improves the safety problem.

Description

Lifting type high-voltage electric spacing complete device

Technical Field

The invention relates to the technical field of high-voltage complete equipment, in particular to a lifting type high-voltage electric spacing complete device.

Background

Under the condition of rapid increase of the electricity consumption of the whole society, higher requirements are put on the power supply capacity and reliability of a power system, the electric power industry is promoted to continuously increase the investment on power grid construction, and accordingly, the requirements of power equipment such as high-voltage electric power interval complete sets and the like are driven to increase.

The prior art CN116316190A discloses a high-voltage complete equipment convenient to overhaul, which comprises a sliding plate, a lifting mechanism, a locking mechanism and the like, wherein sliding plates used for installing the high-voltage equipment are arranged on the upper parts of four mounting plates in a sliding mode, the four mounting plates are positioned inside a shell, the lifting mechanism is arranged on a supporting frame and used for driving the shell to move upwards to open, the locking mechanism is arranged on the shell and used for fixing and limiting the shell, a motor is used as a driving force to drive a second winding wheel to rotate forwards, a sliding frame is driven to move upwards through a pull rope, the sliding frame moves upwards to drive the shell to move upwards to open, the high-voltage equipment is exposed outside, and the high-voltage equipment is convenient to overhaul by workers, and the overhaul efficiency is higher.

However, the equipment has the following defects that the integral size of the cabinet body type structure is large, a large amount of space is occupied, the operation and maintenance are complex, and the difficulty of installation, fault detection and maintenance is high for electrical equipment installed at a high place.

Therefore, there is a need to provide a lifting type high-voltage electrical spacing complete device, which, compared with the prior art, improves the space utilization rate, facilitates the maintenance operation of high-place electrical equipment and improves the safety problem.

Disclosure of Invention

The invention solves the technical problems existing in the prior art, and provides a lifting type high-voltage electric spacing complete device.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

The lifting type high-voltage electric spacing complete device comprises a lifting platform, a plurality of piles, transmission assemblies and a plurality of electric devices, wherein the lifting platform is arranged between the adjacent piles, the transmission assemblies are arranged on two sides of each lifting platform, the transmission assemblies are used for driving the lifting platform to move along the axial direction of the piles, each electric device comprises a disconnecting switch, each lifting platform is correspondingly provided with two disconnecting switches, each disconnecting switch comprises a first pillar insulator and a second pillar insulator, the first pillar insulator is arranged on the upper portion of the pile, the second pillar insulator is arranged on the upper portion of the lifting platform, when the lifting platform moves to the uppermost end, the first pillar insulator is conducted with the second pillar insulator, and when the lifting platform moves to the lowermost end, the first pillar insulator and the second pillar insulator are disconnected.

Further, a left knife switch is arranged on the side wall of the first post insulator, a right knife switch is arranged on the side wall of the second post insulator, and the left knife switch and the right knife switch are connected through a meshing assembly.

Still further, the engagement assembly includes first recess, first lug, second recess and second lug, first recess with first lug sets up left knife end face, first recess sets up first lug below, second recess with the second lug sets up right knife end face, the second recess sets up second lug top, first lug stretches into inside the second recess, the second lug stretches into inside the first recess, first lug with the second lug meshing sets up.

Still further, the first lug is kept away from the terminal surface of first recess and is set up first permanent magnet, the terminal surface that the second lug kept away from the second recess sets up the second permanent magnet, first permanent magnet with the magnetism of the terminal surface that the second permanent magnet is opposite.

Further, a spring is connected between the second post insulator and the right blade.

Further, the transmission assembly comprises a transmission gear, a rack, a gear box and a motor, wherein the gear box is arranged on the side face of the lifting platform, the transmission gear and the motor are arranged inside the gear box, the rack is arranged on the side wall of the pile, and the transmission gear is meshed with the rack.

Furthermore, limiting blocks are arranged at the upper end and the lower end of the rack.

Still further, the electrical apparatus further comprises a circuit breaker, a current display and a current transformer, all mounted on the elevating platform.

Still further, first pillar insulator the second pillar insulator upper end all is equipped with the equipment fastener, the both ends of circuit breaker the both ends of current transformer also all are equipped with the equipment fastener, isolator that lift platform one side set up the circuit breaker the current transformer the isolation switch that lift platform opposite side set up is through connecting the stranded conductor realization electric transportation between, the stranded conductor is connected on the equipment fastener.

Further, a controller is arranged on the side wall of the pile, and the controller is electrically connected with all motors and the current display.

Compared with the prior art, the invention has the beneficial effects that:

(1) When maintenance is needed, a guard checks the indication number of the current display displayed on the controller, so that whether the lifting platform is electrified or not can be clearly judged, the lifting platform is lowered by controlling the motor to rotate, the disconnecting switch can be ensured, and maintenance work can be carried out on the premise of no residual current and no breakdown accident, so that the safety of the maintenance work is greatly improved, the difficulty of the maintenance work is reduced, the maintenance work is not needed, the lifting platform is lowered to a proper maintenance height, the safety and the convenience are ensured, meanwhile, when the equipment works normally, the electrical equipment is integrally arranged on the lifting platform, the occupied volume is smaller, and the space utilization rate below the lifting platform is higher.

(2) The transmission assembly of the invention controls the transmission of the gear rack through the motor, has more compact structure, can be integrated in or around, does not occupy excessive space when not in use, optimizes the space layout, improves the utilization rate, and is particularly suitable for small-sized transformer stations with limited space. In the aspect of equipment maintenance convenience, traditional device maintenance high-altitude equipment needs to climb or build the scaffold, wastes time and energy and has risks. The invention can rapidly and stably send operators and tools to the designated height, and is convenient for overhauling high-altitude equipment such as a high-voltage isolating switch. In terms of safety, the traditional climbing mode has high risk in high-pressure environments, such as physical weakness, tool falling and the like in climbing, and emergency evacuation is difficult. The invention perfects safety protection measures such as emergency braking and anti-falling devices, and can ensure the safe evacuation of operators when encountering emergency. To the degree of automation, the traditional device is manually adjusted in height, the invention can realize automatic control, can be better integrated with a substation automation system, can automatically adjust the equipment height according to a preset program and carry out regular inspection, and has the advantages of inspection work like an unattended substation.

(3) In the installation and maintenance convenience, the traditional device is required to be debugged for many times, and most of assembly and debugging can be completed in factories by the lifting type device, so that the on-site installation is quick; the invention is integrated on a lifting platform, is convenient for centralized maintenance and reduces cost, the invention saves space, the traditional device occupies large area in space utilization and environment adaptability, the invention saves space, the integrated equipment can better resist dust, moisture, small animals and the like, can avoid long-term exposure to severe environment by lifting, prolongs the service life of the equipment, has complex operation and safety, is easy for misoperation in the traditional operation, can uniformly operate and is more accurate and reliable, meanwhile, the invention is also provided with a protective rail, an interlocking device and the like, the equipment connection is tighter, the potential safety hazard is reduced, the traditional device and the equipment are coordinated and are easy to have signal interference and transmission faults in the aspects of equipment coordination and function expansion, the connection is compact and stable, the transmission is reliable, and if the function expansion is required, the invention can conveniently add reconstruction equipment in the lifting platform, and the traditional device needs large-scale reconstruction and rewiring.

(4) The invention adopts the disconnecting switch which is not grounded, and has the following advantages that firstly, the contact reliability is improved. The traditional mode is easy to cause poor contact due to vibration and thermal expansion and contraction, and the meshing assembly provides stable contact pressure through a mechanical structure, so that contact resistance is reduced, the heating risk of the contact is reduced, and stable operation is ensured. And secondly, the short circuit resistance is enhanced. The traditional contact is easy to bounce and separate to generate electric arc under the impact of short-circuit current, equipment is damaged, the meshing assembly can bear short-circuit electromagnetic force, the contact abnormality is restrained, the electric arc is reduced, and the capacity of the isolating switch for coping with short-circuit is enhanced. Thirdly, the service life is prolonged. The conventional contact has the problems of frequent replacement, high cost, improved contact wear and burning loss after the meshing assembly is adopted, reduced maintenance and replacement frequency and reduced cost. Fourth, the convenience of operation is improved. The traditional operation force is large, the opening and closing state is difficult to judge, the operation of the meshing device is labor-saving, clear feedback and indication marks are provided, and the accurate operation is convenient. Meanwhile, the arrangement of the springs is increased, the stability can be enhanced, the buffer springs are additionally arranged at the root parts of the contacts, when the operation reaches the highest point, the first convex blocks and the second convex blocks can be tightly attached, the shaking and vibrating problems possibly caused by the fact that the attachment is not tight in the operation process are effectively solved, the shaking and vibrating are reduced to be very important for high-voltage electrical equipment, because the adverse reactions possibly cause the contact abrasion to be aggravated, the service life of the equipment is shortened, even potential safety hazards such as electric arcs possibly caused, the normal operation of the equipment and the stability of power transmission are affected, the contact reliability can be improved, the tight attachment is helpful for guaranteeing good electrical contact, in a high-voltage electrical environment, good contact is a key for guaranteeing normal current conduction, if the contact is bad, a local overheating phenomenon possibly occurs, the equipment is damaged, serious accidents such as fire disaster can be possibly caused, the increase of the springs can guarantee the contact reliability from the mechanical structure, and the possibility of faults caused by the contact problem is reduced. The first permanent magnet and the second permanent magnet are arranged, bonding safety can be improved, two permanent magnets are additionally arranged on the upper side and the lower side of the meshing assembly, stability of the bonding part can be further enhanced, magnetic force generated by the permanent magnets can provide additional suction force for the bonding part in a normal working state, the bonding part can be tightly connected under various working conditions (such as slight external vibration and electromagnetic interference, and the like), accidental separation cannot easily occur, operation safety is guaranteed, serious safety accidents such as personnel electric shock, equipment damage, large-area power failure and the like can be caused by any accidental situation, safety of the whole device is improved to a certain extent due to the fact that the bonding part is loose or accidentally separated is reduced, and more reliable guarantee is provided for safe and stable operation of equipment.

Drawings

Fig. 1 is a schematic view of the structure of the present invention in an energized state.

Fig. 2 is a schematic view of the structure of the present invention in a power-off state.

Fig. 3 is a partial cross-sectional view showing the structure of the transmission assembly of the present invention.

Fig. 4 is a schematic view of the structure of the engagement assembly of the present invention (the broken lines indicate the structure not visible).

Reference numerals illustrate:

1. Lifting platform, 2, gear box, 3, transmission gear, 4, motor, 5, bearing, 6, bolt, 7, rack, 8, pile, 9, controller, 10, limited block, 11, isolating switch, 111, first post insulator, 112, second post insulator, 113, left knife, 1131, first groove, 1132, first bump, 114, right knife, 1141, second groove, 1142, second bump, 115, spring, 116, first permanent magnet, 117, second permanent magnet, 12, breaker, 13, current display, 14, current transformer, 15, equipment wire clip, 16, stranded wire.

Detailed Description

The technical solutions of the present invention will be clearly described below with reference to the accompanying drawings, and it is obvious that the described embodiments are not all embodiments of the present invention, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of protection of the present invention. It should be noted that, the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1, the invention provides a lifting type high-voltage electric spacing complete device, which comprises lifting platforms 1, a plurality of piles 8, transmission components and a plurality of electric devices, wherein the piles 8 are made of concrete, the piles 8 are fixedly arranged on the ground, one lifting platform 1 is arranged between two adjacent piles 8, the piles 8 arranged on two sides of the lifting platform 1 are identical in size, each lifting platform 1 is provided with the transmission components at two ends, the transmission components are partially arranged on the side walls of the piles 8, the rest parts are arranged on the lifting platform 1, the transmission components on two sides of the lifting platform 1 drive the lifting platform 1 to move up and down together, the electric devices comprise isolating switches 11, and each lifting platform 1 is correspondingly provided with two isolating switches 11.

As shown in fig. 1, fig. 2 and fig. 4, two isolating switches 11 correspondingly arranged on the lifting platform 1 are symmetrically arranged along the vertical line of the upper wall of the lifting platform 1, each isolating switch 11 comprises a first supporting post insulator 111, a second supporting post insulator 112, a left knife 113, a right knife 114 and a meshing assembly, the first supporting post insulator 111 and the second supporting post insulator 112 are respectively arranged on the pile 8 and the lifting platform 1, the lower end of the first supporting post insulator 111 is fixedly connected to the upper wall of the pile 8, the lower end of the second supporting post insulator 112 is fixed to one end of the upper wall of the lifting platform 1, the upper end of the side wall of the first supporting post insulator 111 is fixedly connected with the left knife 113, the upper end of the side wall of the second supporting post insulator 112 is fixedly connected with the right knife 114, the left knife 113 and the right knife 114 of the same isolating switch 11 are oppositely arranged, the left knife 113 and the right knife 114 of the same isolating switch 11 are connected with each other through the meshing assembly, and springs 115 are arranged between the second supporting post insulator 112 and the right knife 114, the effects of reducing vibration and shaking can be achieved, the service life of equipment can be prolonged, and good electrical contact can be ensured.

The engagement assembly includes a first groove 1131, a first bump 1132, a second groove 1141 and a second bump 1142, the first bump 1132, the first groove 1131 is disposed at an end of the left blade 113 near the right blade 114, the first groove 1131 is disposed below the first bump 1132, the second groove 1141 and the second bump 1142 are disposed at an end of the right blade 114 near the left blade 113, the second groove 1141 is disposed above the second bump 1142, when the left blade 113 is conducted with the right blade 114, the first bump 1132 is disposed inside the second groove 1141, the second bump 1142 is disposed inside the first groove 1131, and the first bump 1132 is engaged with the second bump 1142, thereby conducting the left blade 113 with the right blade 114.

The first lug 1132 is kept away from the terminal surface of first recess 1131 and is equipped with first permanent magnet 116, the terminal surface that second lug 1142 kept away from second recess 1141 is equipped with the second permanent magnet 117, the terminal surface that first permanent magnet 116 is opposite with second permanent magnet 117 is the magnetic pole of magnetism, therefore, when left knife 113 switches on with right knife 114, first permanent magnet 116 and second permanent magnet 117 interattraction, further guarantee the stable connection of left knife 113 and right knife 114, the reinforcing laminating compactness, improve connection reliability, guarantee that electrical equipment normally switches on, prevent unexpected separation.

As shown in fig. 1 and 3, the transmission assembly comprises a transmission gear 3, a rack 7, a gear box 2 and a motor 4, wherein the gear box 2 is arranged on the end face of the lifting platform 1, the motor 4 and the transmission gear 3 are arranged in the gear box 2, the motor 4 drives the transmission gear 3 to rotate, the gear is arranged on the side wall of a pile 8 close to the lifting platform 1, the transmission gear 3 is meshed with the rack 7 for transmission, a bearing 5 is arranged in the gear box 2, a bearing cover is arranged outside the bearing 5 and is connected with the gear box 2 through a bolt 6, the bearing 5 is fixed on the gear box 2 through the bearing cover, the bearing 5 is a sliding bearing, the gear box 2 is made of stainless steel, the transmission gear 3 is made of carbonized steel, the upper end and the lower end of the rack 7 are fixedly connected with limiting blocks 10, the transmission gear 3 is prevented from moving out from the rack 7, and the motors 4 arranged in the transmission assemblies on two sides of the lifting platform 1 rotate simultaneously, so that the corresponding transmission gears 3 are driven to rotate, and the lifting platform 1 can realize lifting and descending movements.

The diameter of each pile 8 is at least 350mm, the distance between every two adjacent piles 8 is at least 4700mm, the thickness of each lifting platform 1 is at least 140mm, each lifting platform 1 is made of channel steel No. 16, before the lifting platform 1 is used, bearing capacity test is needed, loading of other parts can be arranged after the lifting platform meets design requirements, the limiting block 10 is made of angle steel No. 5 materials, and the thickness of a steel plate is 10mm.

The electric equipment further comprises a circuit breaker 12, a current display 13 and a current transformer 14, wherein the circuit breaker 12, the current display 13 and the current transformer 14 are arranged on the lifting platform 1, the circuit breaker 12, the current display 13, the current transformer 14 and the second post insulator 112 are fixedly connected on the lifting platform 1 through steel plates, the steel plates are arranged, the damping effect can be achieved, gaps and heights between the electric equipment can be adjusted, the first post insulator 111 and the second post insulator 112 are respectively provided with an equipment clamp 15, the two ends of the circuit breaker 12 and the current transformer 14 are respectively provided with an equipment clamp 15, the stranded wires 16 are sequentially connected with the isolating switch 11 arranged on the left side of the lifting platform 1, the circuit breaker 12, the current transformer 14 and the isolating switch 11 arranged on the right side of the lifting platform 1, the stranded wires 16 are respectively connected on the corresponding equipment clamps 15, when the isolating switch 11 is conducted, electric transportation is carried out through the stranded wires 16, and when the isolating switch 11 is disconnected, the electric transportation is stopped.

The motor 4 and the current display 13 arranged in each transmission assembly are typically connected with the controller 9, the controller 9 is arranged on the side wall of the pile 8, the controller 9 is positioned at the middle lower part of the side wall of the pile 8, the current display 13 is used for conveniently detecting whether the lifting platform 1 is electrified or not, when the isolating switches 11 are all communicated, current flows into the circuit breaker 12 through the isolating switches 11 arranged on the left side, the circuit breaker 12 is an SF6 circuit breaker, SF6 gas has excellent insulating property and arc extinguishing property in equipment, when an arc is generated, the SF6 gas can quickly absorb the energy of the arc, the arc is efficiently cooled and extinguished in the arc extinguishing process by virtue of the characteristics of large molecular weight, large heat capacity and the like, the current flows into the current transformer 14 after passing through the circuit breaker 12, and finally the current flows out through the isolating switches 11 on the right side, so that a complete current path is completed.

The current transformer 14 has the advantages of measuring current, converting large current of a primary side into small current of a secondary side (such as 5A or 1A) according to a certain proportion, facilitating measurement, calculating actual current of the primary side through transformation ratio, providing a current signal for a protection device, helping a relay protection device to judge when a circuit breaks down, triggering a breaker 12 to act, protecting the whole power system, playing an isolation role, enabling the primary side and the secondary side to realize electrical isolation, guaranteeing safety of secondary side equipment and operators, reducing electromagnetic interference and improving reliability of the system.

When maintenance is needed, a guard checks the indication number of the current display 13 displayed on the controller 9, so that whether the lifting platform 1 is electrified or not can be clearly judged, the lifting platform 1 is lowered by controlling the motor 4 to rotate, the disconnecting switch 11 can be ensured to be disconnected, and maintenance work can be ensured on the premise that no residual current and breakdown accidents are avoided, so that the safety of the maintenance work is greatly improved, the difficulty of the maintenance work is also reduced, the maintenance work is not needed, the lifting platform 1 is lowered to a proper maintenance height, the safety and convenience can be ensured, meanwhile, when the equipment works normally, the electrical equipment is integrally arranged on the lifting platform 1, the occupied volume is smaller, and the space utilization rate below the lifting platform 1 is higher.

The transmission assembly controls the transmission of the rack 7 of the transmission gear 3 through the motor 4, has a more compact structure, can be integrated in the interior or at the periphery, does not occupy excessive space when not in use, optimizes the space layout, improves the utilization rate, and is particularly suitable for small-sized transformer stations with limited space. In the aspect of equipment maintenance convenience, traditional device maintenance high-altitude equipment needs to climb or build the scaffold, wastes time and energy and has risks. The invention can rapidly and stably send operators and tools to a designated height, and is convenient for overhauling high-altitude equipment such as the high-voltage isolating switch 11. In terms of safety, the traditional climbing mode has high risk in high-pressure environments, such as physical weakness, tool falling and the like in climbing, and emergency evacuation is difficult. The invention perfects safety protection measures such as emergency braking and anti-falling devices, and can ensure the safe evacuation of operators when encountering emergency. To the degree of automation, the traditional device is manually adjusted in height, the invention can realize automatic control, can be better integrated with a substation automation system, can automatically adjust the equipment height according to a preset program and carry out regular inspection, and has the advantages of inspection work like an unattended substation.

The lifting type lifting platform has the advantages that the lifting type lifting platform can be assembled and debugged in a factory for a large part, is fast in field installation, is scattered in fault points, is convenient to maintain in a centralized mode, reduces cost, is convenient to use and maintain, is small in space occupation and can resist dust, moisture, small animals and the like better, can avoid long-term exposure to severe environments through lifting, prolongs service life of equipment, is complex in operation and safety, is easy to operate by mistake, can be operated uniformly, is accurate and reliable, is provided with guard rails, interlocking devices and the like, is more compact in equipment connection, reduces potential safety hazards, is convenient to add and remodel equipment on the lifting platform 1 if the functions are expanded, is compact and stable in connection, is reliable in transmission, and is convenient to add and remount equipment on a large scale.

The invention adopts the disconnecting switch 11 which is not grounded, and has the following advantages, namely, the contact reliability is improved. The traditional mode is easy to cause poor contact due to vibration and thermal expansion and contraction, and the meshing assembly provides stable contact pressure through a mechanical structure, so that contact resistance is reduced, the heating risk of the contact is reduced, and stable operation is ensured. And secondly, the short circuit resistance is enhanced. The traditional contact is easy to bounce and separate to generate electric arc under the impact of short-circuit current, equipment is damaged, the meshing assembly can bear short-circuit electromagnetic force, the contact abnormality is restrained, the electric arc is reduced, and the capability of the isolating switch 11 for coping with short-circuit is enhanced. Thirdly, the service life is prolonged. The conventional contact has the problems of frequent replacement, high cost, improved contact wear and burning loss after the meshing assembly is adopted, reduced maintenance and replacement frequency and reduced cost. Fourth, the convenience of operation is improved. The traditional operation force is large, the opening and closing state is difficult to judge, the operation of the meshing device is labor-saving, clear feedback and indication marks are provided, and the accurate operation is convenient. Meanwhile, the arrangement of the springs 115 is increased, the stability can be enhanced, the buffer springs 115 are additionally arranged at the root positions of the contacts, when the operation reaches the highest point, the first convex blocks 1132 and the second convex blocks 1142 can be tightly attached, the shaking and vibration problems possibly caused by the fact that the attachment is not tight in the operation process are effectively solved, shaking and vibration are reduced to be very important for high-voltage electric equipment, the contact abrasion is possibly aggravated due to adverse reactions, the service life of the equipment is shortened, even potential safety hazards such as electric arcs are possibly caused, the normal operation and the power transmission stability of the equipment are affected, the contact reliability can be improved, the tight attachment is helpful for guaranteeing good electrical contact, good contact is the key for guaranteeing normal current conduction in the high-voltage electric environment, if the contact is poor, a local overheating phenomenon possibly occurs, the equipment is possibly damaged, serious accidents such as fire disaster are possibly caused, the contact reliability is possibly caused due to the fact that the contact problem is increased, and the possibility of faults caused due to the contact problem is reduced. The first permanent magnet 116 and the second permanent magnet 117 are arranged, so that the bonding safety can be improved, two permanent magnets are added on the upper side and the lower side of the meshing assembly, the stability of the bonding part can be further enhanced, the magnetic force generated by the permanent magnets can provide additional suction force for the bonding part in a normal working state, the bonding part can be tightly connected under various working conditions (such as slight external vibration and electromagnetic interference, etc.), the condition that unexpected separation cannot easily occur is ensured, the operation safety is ensured, for the high-voltage electrical interval complete equipment, serious safety accidents such as personnel electric shock, equipment damage, large-area power failure and the like can be caused by any unexpected condition, the safety of the whole equipment is improved to a certain extent due to the addition of the permanent magnets, the risk caused by loosening or unexpected separation of the bonding part is reduced, and more reliable guarantee is provided for the safe and stable operation of the equipment.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. A lifting high-voltage electrical interval complete set, characterized in that it comprises a lifting platform, a plurality of piles, a transmission assembly and a plurality of electrical equipment, the lifting platform is arranged between adjacent piles, the transmission assembly is arranged on both sides of each lifting platform, the transmission assembly is used to drive the lifting platform to move along the axial direction of the pile, the electrical equipment comprises an isolating switch, and each lifting platform is correspondingly provided with two isolating switches, the isolating switch comprises a first pillar insulator and a second pillar insulator, the first pillar insulator is arranged on the upper part of the pile, and the second pillar insulator is arranged on the upper part of the lifting platform; when the lifting platform moves to the uppermost end, the first pillar insulator is connected to the second pillar insulator; when the lifting platform moves to the lowermost end, the first pillar insulator and the second pillar insulator are disconnected. 2. A lifting type high-voltage electrical spacing complete set according to claim 1, characterized in that a left switch is provided on the side wall of the first post insulator, and a right switch is provided on the side wall of the second post insulator, and the left switch and the right switch are connected by a meshing assembly. 3. A lifting type high-voltage electrical spacing complete set according to claim 2, characterized in that the engaging assembly includes a first groove, a first protrusion, a second groove and a second protrusion, the first groove and the first protrusion are arranged on the left blade end face, the first groove is arranged below the first protrusion, the second groove and the second protrusion are arranged on the right blade end face, the second groove is arranged above the second protrusion, the first protrusion extends into the second groove, the second protrusion extends into the first groove, and the first protrusion and the second protrusion are engaged with each other. 4. A lifting type high-voltage electrical spacing complete set according to claim 3 is characterized in that a first permanent magnet is arranged on the end face of the first protrusion away from the first groove, and a second permanent magnet is arranged on the end face of the second protrusion away from the second groove, and the magnetic properties of the end faces opposite to each other are opposite. 5. A lifting type high-voltage electrical spacing complete set according to any one of claims 2-4, characterized in that a spring is connected between the second post insulator and the right switch. 6. A lifting type high-voltage electrical spacing complete set according to claim 1, characterized in that the transmission assembly includes a transmission gear, a rack, a gear box and a motor, the gear box is arranged on the side of the lifting platform, the transmission gear and the motor are both arranged inside the gear box, the rack is arranged on the side wall of the pile column, and the transmission gear is meshed with the rack. 7. A lifting type high-voltage electrical spacing complete set according to claim 6, characterized in that limit blocks are provided at both the upper and lower ends of the rack. 8. A liftable high-voltage electrical compartment complete set according to claim 6, characterized in that the electrical equipment also includes a circuit breaker, a current display and a current transformer, and the circuit breaker, the current display and the current transformer are all installed on the lifting platform. 9. A liftable high-voltage electrical spacing complete set according to claim 8, characterized in that the upper ends of the first post insulator and the second post insulator are provided with equipment wire clamps, both ends of the circuit breaker and both ends of the current transformer are also provided with equipment wire clamps, and the disconnector, the circuit breaker, the current transformer arranged on one side of the lifting platform and the disconnector arranged on the other side of the lifting platform are electrically transported by connecting twisted wires, and the twisted wires are connected to the equipment wire clamps. 10. A lifting high-voltage electrical partition complete set according to claim 8, characterized in that a controller is provided on the side wall of the pile column, and the controller is electrically connected to all motors and the current display.