阅读说明：本技术 一种具有阻燃防爆装置的油浸式变压器 (Oil-immersed transformer with flame-retardant explosion-proof device ) 是由 刘兴慧 于 2020-11-25 设计创作，主要内容包括：本发明公开了一种具有阻燃防爆装置的油浸式变压器,包括电线杆、U形支撑板、灭火组件和蜂鸣器,所述电线杆通过螺栓螺纹连接有连接板,且连接板一端固定有移动组件,所述第一支撑板上侧固定有液压缸箱,且液压缸箱上侧固定有人字形顶盖、驱鸟器和控制箱,所述控制箱位于驱鸟器右侧,所述U形支撑板下侧通过螺栓螺纹连接有第二支撑板,所述灭火组件用于油浸式变压器时进行灭火处理。该具有阻燃防爆装置的油浸式变压器,本发明具有安装维护方便、节能、多角度多方位进行灭火及报警的优点,在油浸式变压器发生火灾时,在机械手的辅助作用下带动支撑板上的出料口内的高压干粉可多角度多方位的进行灭火处理。(The invention discloses an oil-immersed transformer with a flame-retardant and explosion-proof device, which comprises a telegraph pole, a U-shaped supporting plate, a fire extinguishing assembly and a buzzer, wherein the telegraph pole is connected with a connecting plate through bolts and threads, a moving assembly is fixed at one end of the connecting plate, a hydraulic cylinder box is fixed on the upper side of the first supporting plate, a herringbone top cover, a bird repeller and a control box are fixed on the upper side of the hydraulic cylinder box, the control box is positioned on the right side of the bird repeller, a second supporting plate is connected to the lower side of the U-shaped supporting plate through bolts and threads, and the fire extinguishing assembly is. The oil-immersed transformer with the flame-retardant and explosion-proof device has the advantages of convenience in installation and maintenance, energy conservation and multi-angle and multi-direction fire extinguishing and alarming, and when the oil-immersed transformer is in a fire, the high-pressure dry powder in the discharge port on the supporting plate is driven under the auxiliary action of the manipulator to perform multi-angle and multi-direction fire extinguishing treatment.)

1. The utility model provides an oil-immersed transformer with fire-retardant explosion-proof equipment, includes wire pole (1), U-shaped backup pad (10), subassembly (17) and bee calling organ (21) put out a fire, its characterized in that:

the multifunctional electric pole comprises a telegraph pole (1), wherein the telegraph pole (1) is connected with a connecting plate (20) through bolts (11) in a threaded mode, a moving assembly (7) is fixed at one end of the connecting plate (20), a hydraulic cylinder box (3) is fixed on the upper side of a first supporting plate (2), a herringbone top cover (4), a bird repeller (5) and a control box (22) are fixed on the upper side of the hydraulic cylinder box (3), the control box (22) is located on the right side of the bird repeller (5), the bird repeller (5) and the control box (22) are located inside the herringbone top cover (4), and meanwhile a first photovoltaic panel (6) is fixed on the upper side of the herringbone;

the lower side of the U-shaped supporting plate (10) is connected with a second supporting plate (8) through a bolt (11) in a threaded mode, the upper side of the U-shaped supporting plate (10) is connected with an oil-immersed transformer shell (23) through the bolt (11) in a threaded mode, and meanwhile a moving assembly (12) is fixed to the lower side of the oil-immersed transformer shell (23);

put out a fire subassembly (17), put out a fire the processing of putting out a fire when subassembly (17) are used for oil-immersed transformer, and put out a fire subassembly (17) and fix in conservator (15) upside.

2. The oil-immersed transformer with the flame-retardant and explosion-proof device according to claim 1, characterized in that: the moving assembly (7) comprises a hydraulic cylinder (701), a sliding block (702), a sliding way (703), a fixing plate (704), a thread limiting groove (705) and a thread limiting block (706), the hydraulic cylinder (701) is fixed with the sliding block (702) through a lower side piston rod, the sliding block (702) is connected with the sliding way (703) in a sliding mode, the sliding way (703) is arranged on the fixing plate (704), the thread limiting groove (705) is formed in the fixing plate (704), and the thread limiting groove (705) is connected with the thread limiting block (706) in a threaded mode.

3. An oil-immersed transformer with a flame-retardant and explosion-proof device according to claim 2, characterized in that: the sliding block (702) and the slide way (703) form a sliding structure.

4. An oil-immersed transformer with a flame-retardant and explosion-proof device according to claim 2, characterized in that: a second support plate (8) is fixed between the sliding blocks (702), and a storage battery (9) is fixed on the lower side of the second support plate (8).

5. The oil-immersed transformer with the flame-retardant and explosion-proof device according to claim 1, characterized in that: the movable assembly (12) comprises a base (1201), a limiting groove (1202), an electric telescopic rod (1203) and rollers (1204), wherein the limiting groove (1202) penetrates through the lower side of the base (1201), the electric telescopic rod (1203) is fixed on the upper side inside the limiting groove (1202), and the rollers (1204) are fixed on the lower side of the electric telescopic rod (1203).

6. The oil-immersed transformer with the flame-retardant and explosion-proof device according to claim 1, characterized in that: the fire extinguishing assembly (17) comprises a fire extinguishing box shell (1701), a first box body (1702), a second box body (1703), a fire extinguisher body (1704), a conveying pipe (1705), a discharge port (1706), a support plate (1707), a camera (1708), a manipulator (1709), a rain cover (1710), a smoke alarm (1711) and a flame sensor (1712), wherein the first box body (1702) and the second box body (1703) are both positioned in the fire extinguishing box shell (1701), the first box body (1702) is positioned on one side of the second box body (1703), the fire extinguisher body (1704) is arranged in the second box body (1703), the fire extinguisher body (1704) is communicated with the discharge port (1706) through the conveying pipe (1705), the discharge port (1706 penetrates through the support plate (1707), the camera (1708) is fixed on the upper side of the support plate (1707), and the manipulator (1709) is fixed on the support plate (1707), and manipulator (1709) base is fixed on first box (1702) inner wall, fire extinguishing box shell (1701) upside is fixed with rain-proof lid (1710), and rain-proof lid (1710) downside inlays and has smoke alarm (1711) and flame sensor (1712), and smoke alarm (1711) are located flame sensor (1712) one side simultaneously.

7. The oil-immersed transformer with the flame-retardant and explosion-proof device according to claim 1, characterized in that: the number of the oil conservators (15) is two, and the two oil conservators (15) are symmetrically arranged.

8. The oil-immersed transformer with the flame-retardant and explosion-proof device according to claim 1, characterized in that: the buzzer (21) is fixed on the front side of the first rainproof cover (1710).

9. The oil-immersed transformer with the flame-retardant and explosion-proof device according to claim 1, characterized in that: the anti-explosion oil immersed transformer is characterized in that a flame-retardant plate (13) is embedded in the oil immersed transformer shell (23), an anti-explosion pipeline (16) penetrates through the oil immersed transformer shell (23), and an oil conservator (15) is fixed on the upper side of the oil immersed transformer shell (23) through a supporting rod (14).

Technical Field

The invention relates to the technical field of oil immersed transformers, in particular to an oil immersed transformer with a flame-retardant explosion-proof device.

Background

The distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, has good insulating property, low viscosity and good heat transfer property, can well protect an iron core and a winding from the influence of moisture in air, protects insulating paper and insulating paper boards from the action of oxygen, reduces the aging of insulating materials and prolongs the service life of the transformer.

Current oil-immersed transformer is overhauld as required when using, need use the staircase to scramble, and the staff falls easily like this, causes the unnecessary casualties to fire-retardant explosion-proof can not reach expectation effect when oil-immersed transformer uses, causes oil-immersed transformer impaired, causes the loss of unnecessary, and when the conflagration took place, the very first time of can not put out a fire simultaneously and handle, and the conflagration spreads influence personnel safety.

Disclosure of Invention

The invention aims to provide an oil-immersed transformer with a flame-retardant and explosion-proof device, which solves the problems that the conventional oil-immersed transformer in the background art needs to be overhauled when in use, so that workers are easy to fall down and unnecessary casualties are caused, the flame-retardant and explosion-proof effects cannot be achieved when the oil-immersed transformer is used, the oil-immersed transformer is damaged, unnecessary loss is caused, and meanwhile, when a fire disaster occurs, the fire extinguishing treatment cannot be carried out at the first time, and the fire disaster spreads to influence the safety of the workers.

In order to achieve the purpose, the invention provides the following technical scheme: an oil-immersed transformer with a flame-retardant and explosion-proof device comprises a telegraph pole, a U-shaped supporting plate, a fire extinguishing assembly and a buzzer,

the movable support plate is connected with the wire pole through bolts and threads, a movable assembly is fixed at one end of the connecting plate, a hydraulic cylinder box is fixed on the upper side of the first support plate, a herringbone top cover, a bird repeller and a control box are fixed on the upper side of the hydraulic cylinder box, the control box is positioned on the right side of the bird repeller, the bird repeller and the control box are both positioned in the herringbone top cover, and meanwhile, a first photovoltaic panel is fixed on the upper side of the herringbone top cover;

the lower side of the U-shaped supporting plate is connected with a second supporting plate through a bolt thread, the upper side of the U-shaped supporting plate is connected with an oil-immersed transformer shell through a bolt thread, and a moving assembly is fixed on the lower side of the oil-immersed transformer shell;

the fire extinguishing assembly is used for conducting fire extinguishing treatment when the fire extinguishing assembly is used for the oil immersed transformer, and the fire extinguishing assembly is fixed on the upper side of the oil conservator.

Preferably, the movable assembly comprises a hydraulic cylinder, a sliding block, a sliding way, a fixed plate, a thread limiting groove and a thread limiting block, the hydraulic cylinder is fixed with the sliding block through a lower side piston rod, the sliding block is connected with the sliding way in a sliding manner, the sliding way is arranged on the fixed plate, the thread limiting groove is formed in the fixed plate, and the thread limiting groove is connected with the thread limiting block in a threaded manner.

Preferably, the sliding block and the slide way form a sliding structure.

Preferably, a second support plate is fixed between the sliding blocks, and a storage battery is fixed on the lower side of the second support plate.

Preferably, the movable assembly comprises a base, a limiting groove, an electric telescopic rod and a roller, the limiting groove penetrates through the lower side of the base, the electric telescopic rod is fixed on the upper side inside the limiting groove, and the roller is fixed on the lower side of the electric telescopic rod.

Preferably, the fire extinguishing assembly comprises a fire extinguishing box shell, a first box body, a second box body, a fire extinguisher body, a material conveying pipe, a material outlet, a supporting plate, a camera, a mechanical arm, a rain cover, a smoke alarm and a flame sensor, the first box body and the second box body are both positioned in the fire extinguishing box shell, the first box body is positioned at one side of the second box body, meanwhile, a fire extinguisher body is arranged in the second box body, the fire extinguisher body is communicated with the discharge hole through a conveying pipe, the discharge hole penetrates through the supporting plate, meanwhile, a camera is fixed on the upper side of the supporting plate, a manipulator is fixed on the supporting plate, a manipulator base is fixed on the inner wall of the first box body, a rain cover is fixed on the upper side of the fire extinguishing box shell, and a smoke alarm and a flame sensor are embedded at the lower side of the rain cover, and the smoke alarm is positioned at one side of the flame sensor.

Preferably, the number of the oil conservators is two, and the two oil conservators are symmetrically arranged.

Preferably, the buzzer is fixed on the front side of the first rain cover.

Preferably, the interior of the oil-immersed transformer shell is embedded with a flame-retardant plate, an explosion-proof pipeline penetrates through the interior of the oil-immersed transformer shell, and an oil conservator is fixed on the upper side of the oil-immersed transformer shell through a supporting rod.

Compared with the prior art, the invention has the beneficial effects that: the oil-immersed transformer with the flame-retardant and explosion-proof device,

(1) the fire extinguishing dry powder fire extinguishing box has the advantages of convenience in installation and maintenance, energy conservation and multi-angle and multi-azimuth fire extinguishing and alarming, when the oil immersed transformer is in a fire, the discharging port on the supporting plate is driven to move out of the fire extinguishing box shell under the auxiliary action of the manipulator, so that the fire extinguishing dry powder can perform fire extinguishing treatment in multi-angle and multi-azimuth, and the fire extinguishing is ensured to be thorough;

(2) compared with the traditional oil immersed transformer, the oil immersed transformer is provided with the two oil conservators, the two explosion-proof pipelines and the flame retardant plate, the two oil conservators exchange heat conduction to the oil immersed transformer, the phenomenon that the temperature is continuously too high for a long time after the heat dissipation of the oil liquid in the heat dissipation assembly, the heat dissipation is not thorough, explosion happens when the oil liquid breaks down and the explosion-proof pipes on two sides are processed simultaneously can be avoided, the pressure relief and explosion-proof effects can be achieved, the flame retardant plate can protect the oil immersed transformer integrally, and the unnecessary loss caused by burning the whole oil immersed transformer when a fire disaster happens is avoided;

(3) compared with the traditional oil-immersed transformer, the height of the oil-immersed transformer is adjusted under the action of the hydraulic cylinder and the sliding block, maintenance personnel do not need to climb the oil-immersed transformer and then maintain the oil-immersed transformer, the safety of the maintenance personnel is protected, and the oil-immersed transformer can be supported by the aid of the thread limiting blocks after the shell of the oil-immersed transformer is fixed, so that the service life of the hydraulic cylinder is prolonged;

(4) the novel oil immersed transformer is different from a traditional oil immersed transformer which carries out rain-proof and moisture-proof treatment on external electrical components, the buzzer reminds passers when a fire disaster happens, routes are avoided, safety is ensured, the bird repeller drives birds, and potential safety hazards caused by inhabitation of birds are avoided.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic diagram of the right-view structure of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic view of the fire suppression assembly of the present invention;

FIG. 6 is a schematic diagram of the distribution structure of the flame retardant plates on the housing of the oil-immersed transformer according to the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 8 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 9 is an enlarged view of the structure of FIG. 1 at C according to the present invention.

In the figure: 1. telegraph pole, 2, first supporting plate, 3, hydraulic cylinder box, 4, herringbone roof, 5, bird driver, 6, first photovoltaic plate, 7, moving component, 701, hydraulic cylinder, 702, slide block, 703, slide way, 704, fixing plate, 705, thread limiting groove, 706, thread limiting block, 8, second supporting plate, 9, storage battery, 10, U-shaped supporting plate, 11, bolt, 12, moving component, 1201, base, 1202, limiting groove, 1203, electric telescopic rod, 1204, roller, 13, flame retardant plate, 14, support rod, 15, conservator, 16, explosion-proof pipeline, 17, fire extinguishing component, 1701, fire extinguishing box housing, 1702, first box, 1703, second box, 1704, fire extinguisher body, 1705, delivery pipe, 1706, discharge port, 1707, supporting plate, 1708, camera, 1709, manipulator, 1710, rain cover, 1711, smoke alarm, 1712. the device comprises a flame sensor, 18, supporting rods, 19, a second photovoltaic panel, 20, a connecting plate, 21, a buzzer, 22, a control box, 23 and an oil-immersed transformer shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-9, the present invention provides a technical solution: an oil-immersed transformer with a flame-retardant and explosion-proof device is disclosed, as shown in fig. 1, fig. 2, fig. 7 and fig. 8, a telegraph pole 1 is connected with a connecting plate 20 through a bolt 11 by screw threads, a moving assembly 7 is fixed at one end of the connecting plate 20, the moving assembly 7 comprises a hydraulic cylinder 701, a sliding block 702, a sliding way 703, a fixing plate 704, a thread limiting groove 705 and a thread limiting block 706, the hydraulic cylinder 701 is fixed with the sliding block 702 through a lower piston rod, the sliding block 702 is connected with the sliding way 703 in a sliding way, the sliding way 703 is arranged on the fixing plate 704, the fixing plate 704 is provided with the thread limiting groove 705, the thread limiting groove 705 is connected with the thread limiting block 706 in a screw thread way, the sliding block 702 and the sliding way 703 form a sliding structure, a second supporting plate 8 is fixed between the sliding blocks 702, a storage battery 9 is fixed at, the sliding block 702 is driven to slide downwards in the slide 703 under the auxiliary action of the hydraulic cylinder 701, so that the oil immersed transformer shell 23 on the second supporting plate 8 can be driven to move downwards to a required position, the outer body of the oil immersed transformer can be maintained regularly without manually climbing stairs, the condition that maintenance personnel fall due to the loss of feet and finally cause casualties is avoided, the herringbone top cover 4 is arranged to perform sun-proof and rain-proof treatment on the lower bird repeller 5, the control box 22 and the hydraulic cylinder 701, the phenomenon that rainwater enters the interior and influences the service life of the rainwater is avoided, the first photovoltaic plate 6 and the second photovoltaic plate 19 convert solar energy into electric energy to be stored in the storage battery 9, the storage battery 9 converts direct current into alternating current through the inverter to provide electric energy for the whole device, so that the energy saving effect is achieved, the hydraulic cylinder box 3 is fixed on the upper side of the first supporting plate 2, a herringbone top cover 4, a bird repeller 5 and a control box 22 are fixed on the upper side of the hydraulic cylinder box 3, the control box 22 is positioned on the right side of the bird repeller 5, the bird repeller 5 and the control box 22 are positioned inside the herringbone top cover 4, a first photovoltaic panel 6 is fixed on the upper side of the herringbone top cover 4, a buzzer 21 is fixed on the front side of a first rain-proof cover 1710, a flame-retardant panel 13 is embedded in an oil-immersed transformer shell 23, an explosion-proof pipeline 16 penetrates through the oil-immersed transformer shell 23, an oil conservator 15 is fixed on the upper side of the oil-immersed transformer shell 23 through a support rod 14, when a fire disaster happens to the oil-immersed transformer shell 23, the periphery is reminded under the auxiliary action of the buzzer 21, pedestrians avoid the road surface at the first time and inform relevant personnel, insulating oil in the two oil conservators 15 can replace insulating oil to cool the oil-immersed transformer, avoid heat abstractor not thorough to its heat dissipation, this internal temperature of oil-immersed transformer is in high temperature state for a long time, influence electrical components service life at last, arouse the explosion when serious, two explosion-proof pipeline 16's setting, when breaking down in the transformer, if take place the short circuit, insulating oil burns promptly and sharply decomposes into gas, two explosion-proof pipeline 16 can be with the dual pressure release of oil and gas, avoid the transformer tank to explode, fire-retardant board 13's setting is protected the transformer, splash all around when avoiding exploding, increase the conflagration scope, influence personnel and property safety.

As shown in fig. 1 and 9, the lower side of the U-shaped support plate 10 is connected with the second support plate 8 through the bolt 11 and the screw thread, the upper side of the U-shaped support plate 10 is connected with the oil-immersed transformer shell 23 through the bolt 11 and the screw thread, the lower side of the oil-immersed transformer shell 23 is fixed with the movable assembly 12, the movable assembly 12 comprises a base 1201, a limit groove 1202, an electric telescopic rod 1203 and a roller 1204, the limit groove 1202 is penetrated through the lower side of the base 1201, the electric telescopic rod 1203 is fixed on the upper side inside the limit groove 1202, the roller 1204 is fixed on the lower side of the electric telescopic rod 1203, the roller 1204 is driven to move downwards under the auxiliary action of the electric telescopic rod 1203, so that the whole oil-immersed transformer shell 23 can be moved, manual carrying.

As shown in fig. 1, 3, 4, 5 and 6, the fire extinguishing module 17 is used for fire extinguishing when the oil immersed transformer is used, and the fire extinguishing module 17 is fixed on the upper side of the conservator 15, the fire extinguishing module 17 comprises a fire extinguishing box housing 1701, a first box 1702, a second box 1703, a fire extinguisher body 1704, a delivery pipe 1705, a discharge port 1706, a support plate 1707, a camera 1708, a manipulator 1709, a rain cover 1710, a smoke alarm 1711 and a flame sensor 1712, the first box 1702 and the second box 1703 are both located in the fire extinguishing box housing 1701, the first box 1702 is located on one side of the second box 1703, the fire extinguisher body 1704 is placed in the second box 1703, the fire extinguisher body 1704 is communicated with the discharge port 1706 through the delivery pipe 1705, the discharge port 1706 penetrates the support plate 1707, the camera 1708 is fixed on the upper side of the support plate 1707, the manipulator 1709 is fixed on the support plate 1707, the base of the mechanical arm 1709 is fixed on the inner wall of the first box 1702, the upper side of the fire extinguishing box shell 1701 is fixed with a rain cover 1710, the lower side of the rain cover 1710 is embedded with a smoke alarm 1711 and a flame sensor 1712, meanwhile, the smoke alarm 1711 is positioned at one side of the flame sensor 1712, two oil conservators 15 are arranged, the two oil conservators 15 are symmetrically arranged, when a fire occurs, the supporting plate 1707 is driven to push away a sealing plate on the first box 1702 under the auxiliary action of the mechanical arm 1709, the supporting plate 1707 is driven to push away a sealing door on the first box 1702 under the auxiliary action of the mechanical arm 1709, the discharge port 1706 on the supporting plate 1707 moves outwards to a required angle and height, the valve in the fire extinguisher body 1704 is opened, the dry powder in the fire extinguisher body 1704 enters the discharge port 1706 through the delivery pipe 1705, so that the dry powder transformer shell 23 can be subjected, cause the casualties at last, be provided with the sponge storage box in the first box 1702, the sponge in the sponge storage box can carry out the moisture absorption auxiliary treatment to inside, avoids first box 1702 internal humidity too high, shortens inside electrical components service life, and the setting of subassembly 17 upper side rain-proof lid 1710 of putting out a fire equally can carry out rain-proof sun-proof processing to the subassembly 17 of putting out a fire, avoids putting out a fire subassembly 17 and receives the external environment influence, influences service life at last.

The working principle is as follows: when the oil-immersed transformer with the flame-retardant and explosion-proof device is used, the smoke alarm is YT102 in model number, the flame sensor 1712 is C7027A1049 in model number, an external power supply is connected, solar energy is converted into electric energy under the auxiliary action of the first photovoltaic panel 6 and the second photovoltaic panel 19 on the supporting rod 18 and is stored in the storage battery 9, the herringbone top cover 4 can resist rain and sun for the bird repeller 5 at the lower side, the moving component 7 and the moving component 7, the bird repeller 5 can repel birds under the auxiliary action, if the oil-immersed transformer shell 23 needs to be overhauled, the thread limiting block 706 is manually rotated and separated from the thread limiting groove 705, under the auxiliary action of the hydraulic cylinder 701 in the hydraulic cylinder box 3 at the upper side of the first supporting plate 2, the sliding block 702 moves downwards in the sliding channel 703 on the fixing plate 704, so that the oil-immersed transformer shell 23 at the upper side of the second supporting plate 8 moves downwards, thus, the maintenance is convenient for the worker, the insulation oil in the conservator 15 on the support rod 14 enters the oil-immersed transformer housing 23 for heat dissipation, for example, when the oil-immersed transformer housing 23 is in fire, the flame retardant plate 13 can be flame retardant, the explosion-proof pipeline 16 can be used for pressure relief in the oil-immersed transformer housing 23, when open fire occurs, the smoke sensor 1711 and the flame sensor 1712 transmit information to the control box 22, the manipulator 1709 and the buzzer 21 are started under the assistance of the control box 22, the support plate 1707 is driven under the assistance of the manipulator 1709 to push open the sealing door on the first box 1702, the discharge port 1706 on the support plate 1707 is moved outwards to a required angle and height, the valve in the fire extinguisher body 1704 in the second box 1703 is opened, the dry powder in the fire extinguisher body 1704 enters the discharge port 1706 through the delivery pipe 1705, so that the fire extinguishing treatment can be performed on the oil-immersed transformer housing 23, the rain cover 1710 can also protect the fire extinguishing assembly 17 from rain and sun, the camera 1708 can take pictures of the scene, when the oil-immersed transformer shell 23 needs to be replaced, the bolt 11 on the U-shaped supporting plate 10 is manually rotated, so that the U-shaped support plate 10 is separated from the oil transformer housing 23 and the second support plate 8, under the auxiliary action of the electric telescopic rod 1203 in the limiting groove 1202 at the lower side of the base 1201, the electric telescopic rod 1203 stretches to drive the roller 1204 to move downwards, the oil-immersed transformer shell 23 is manually pushed, the oil-immersed transformer shell 23 can be moved to other positions, manual carrying is not needed, time and labor are saved, the bolt 11 on the connecting plate 20 is manually rotated, so that the connecting plate 20 is separated from the telegraph pole 1, the fixing plate 704 is thus detachable, which is well known to those skilled in the art and not described in detail herein.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.