CN111255275B

CN111255275B - Transformer field overhaul frame combined house

Info

Publication number: CN111255275B
Application number: CN202010068051.3A
Authority: CN
Inventors: 饶建明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2021-03-19
Anticipated expiration: 2040-01-21
Also published as: CN111255275A

Abstract

The utility model provides a transformer field overhaul frame combination room, including iron core overhaul workshop and quick-witted case overhaul workshop, and have by balanced ground beam and room body frame, dampproofing wallboard inter combination assembly constitutes, be equipped with at iron core overhaul workshop top and hang the core window, the bottom is equipped with the multiport hydraulic press, it decides smooth crane to be equipped with to install many at hanging core window top, it lifts up transformer core and quick-witted case with the horizontal mode to decide smooth crane, install quick-witted case carrier in iron core overhaul workshop and quick-witted case overhaul workshop, quick-witted case carrier is including lifting the case automobile body on a left side, the case automobile body is lifted on the right side, preceding automobile body connecting rod and back automobile body connecting rod, can carry quick-witted case again can transversely overturn quick-. According to the transformer overhaul method, the overhaul rooms which accord with the transformer overhaul conditions are erected around the transformer, and the iron core pulling and hanging overhaul mechanism and the machine case turning over overhaul mechanism are installed, so that workers can complete the transformer disassembly and inspection and maintenance work on the installation site, the time length of the transformer overhaul work is shortened, and the overhaul cost is reduced.

Description

Transformer field overhaul frame combined house

Technical Field

The invention belongs to a frame combination house, and particularly relates to a transformer field overhaul frame combination house for disassembling and overhauling a transformer on the field.

Background

The oil immersed transformer must be overhauled after being put into operation for a certain period or accidents occur. Because the requirement of transformer overhaul on the field environment is higher, the transformer is generally transported to an electrical overhaul plant for overhaul. The transformer belongs to precise electrical equipment and is heavy, hoisting and carrying equipment such as a large crane and a flat-plate carrier must be frequently used for a long time, and the whole carrying work can be safely finished by performing protection work such as moisture prevention, dust prevention, fire prevention and the like, so that the overhaul work of the transformer is high in cost and consumes long time.

Disclosure of Invention

In order to solve the problems of high cost and long time consumption of the existing transformer overhaul mode, the invention aims to provide a transformer on-site overhaul frame combination house, which is formed by combining a balance ground beam, a house body frame and a moisture-proof wall plate, a workshop meeting the overhaul working conditions is erected around a transformer, an iron core drawing and hanging overhaul mechanism and a machine case turning overhaul mechanism are installed, and the transformer can be overhauled without being carried to an electrical overhaul plant.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a transformer field overhaul frame combination room, includes that the iron core overhauls the workshop and quick-witted case overhauls the workshop, characterized by: the iron core overhaul workshop and the case overhaul workshop are formed by mutually combining and assembling a balance ground beam, a house body frame and a moisture-proof wall plate, a core lifting window is arranged at the top of the iron core overhaul workshop, a multi-port hydraulic press is arranged at the bottom of the iron core overhaul workshop, a flat lifting base plate is arranged at the top of the core lifting window, the multi-port hydraulic press is provided with a plurality of hydraulic telescopic columns and drives the flat lifting base plate to move up and down, the flat lifting base plate is provided with a synchronous lifting beam and a telescopic window mask, a plurality of fixed-sliding cranes are arranged on the synchronous lifting beam, the fixed-sliding cranes are provided with lifting ropes and lifting a transformer iron core and a case in a horizontal mode, groove-shaped rails are arranged on two sides of the iron core overhaul workshop and the case overhaul workshop, a case carrier is arranged on the groove-shaped rails, and comprises a left lifting case body, a right lifting case body, a front body connecting, the left side is lifted the case automobile body and is lifted the case automobile body with the right side and install relatively on the cell type track, lift the top, middle part, the bottom that the case automobile body was lifted at a left side and the right side lift the case automobile body and be equipped with in proper order and lift case cantilever, xarm locating clip and card rail gyro wheel, it has axial displacement and rotation function and its tip to lift the case cantilever and be equipped with the crossbearer armed lever, is equipped with the connecting rod to the interface at crossbearer armed lever both ends, xarm locating clip and crossbearer armed lever clamping cooperation, card rail gyro wheel and cell type track rolling fit, the body of rod of preceding automobile body connecting rod and back automobile body connecting rod has flexible function, and the body of rod both ends be equipped with the connecting rod to interface complex socket crosspiece, preceding automobile body connecting rod, back automobile body connecting rod and crossbearer.

The preferred embodiment also has the following technical features:

the balance ground beam is composed of a plurality of square steel beams and is combined into a house ground pedestal on the ground, the house body frame is composed of a plurality of pairs of door-shaped beam frames and is combined into a house main body frame with the balance ground beam, the damp-proof wall boards are installed on the house body frame and are mutually combined into a house wall body, and the balance ground beam is provided with a plurality of pairs of lifting ground supporting discs.

Ejector rod bases connected with hydraulic telescopic columns are arranged at the left end and the right end of the horizontal hanging base frame plate, the synchronous lifting beams are arranged on the front side and the rear side of the bottom of the horizontal hanging base frame plate, and the telescopic window masks are arranged on the peripheral outer edges of the horizontal hanging base frame plate and the bottoms of the telescopic window masks are connected with the hanging core window frame.

The synchronous hoisting beam is of a square beam body structure, the top of an inner cavity of the synchronous hoisting beam is provided with a hoisting positioning groove, the bottom of the synchronous hoisting beam is provided with a roller slideway groove, and the middle parts of the hoisting positioning groove and the roller slideway groove are provided with crane notches which penetrate through the beam body downwards.

The fixed-sliding crane body is of a cylindrical structure, a clamping groove lifting plate is arranged at the top of the fixed-sliding crane body, a lifting rope clamping ring is arranged at the bottom of the fixed-sliding crane body, a wheel shaft lifting port is formed in the middle of the crane body, a crane wheel shaft and a jacking spring are arranged in the wheel shaft lifting port, clamping groove idler wheels are arranged at two ends of the crane wheel shaft, and the lifting rope is connected with the lifting rope clamping ring.

The left lifting box body and the right lifting box body are of a triangular plate structure with a large bottom and a small top, a cantilever shaft sleeve is arranged at the top of the triangular plate, a square pipe sleeve communicated with the left and the right is arranged in the middle of the triangular plate, the lifting box cantilever is of a shaft rod structure and is sleeved in the cantilever shaft sleeve, the cross arm positioning sleeve is sleeved in the square pipe sleeve, a cantilever bayonet is arranged at the end of the cross arm positioning sleeve, an advance and retreat tooth opening is formed in the outer wall of the cross arm positioning sleeve, a control knob matched with the advance and retreat tooth opening is arranged at the tail end of the square pipe sleeve.

The middle parts of the rod bodies of the front vehicle body connecting rod and the rear vehicle body connecting rod are disconnected and are arranged into a spiral tube structure, a bidirectional screw rod is arranged between two pairs of spiral tube ports, the socket crosspiece is transversely arranged at the end parts of the front vehicle body connecting rod and the rear vehicle body connecting rod, a bolt bayonet is arranged in the middle of the socket crosspiece, and a positioning bolt matched with the bolt bayonet is arranged in the middle of the connecting rod butt joint port.

Hoop and embrace the disc terminal surface and be equipped with anti-skidding cushion, the back is equipped with a set screw rod, in the screw pipe of top set screw rod suit on square frame, and the screw rod tip sets to the non-cylinder.

The transformer field overhaul frame combination room is provided with a vacuum pumping unit and an air exchanger, wherein the vacuum pumping unit is provided with a two-way filter and an oil temperature controller, and the air exchanger is provided with a dust removal filter element and a humidity controller.

The embodiment utilizes the balance ground beam, the room body frame and the moisture-proof wall board to set up the overhaul room which accords with the overhaul condition of the transformer around the transformer, and the iron core pulling and hanging overhaul mechanism and the machine case turning-over overhaul mechanism are installed, so that workers can complete the transformer disassembly and the inspection and maintenance work on the installation site, the time length of the overhaul work of the transformer is shortened, and the overhaul cost is also reduced. Therefore, the frame combined house for on-site overhaul of the transformer has the advantages of reasonable structure, convenience in use and popularization significance.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of an assembly structure according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the assembly of the flat hanger pedestal plate 13 and the hydraulic telescopic column 120 in fig. 1.

Fig. 3 is a schematic structural view of the left box-lifting vehicle body 31 and the right box-lifting vehicle body 32 in fig. 1.

FIG. 4 is a schematic view of the front body link 33 and the rear body link 34 of FIG. 1 assembled together.

Fig. 5 is a schematic structural view illustrating the assembly of the lifting ground supporting disk 04 and the balance ground beam 01 in fig. 1.

Figure 6 is a cross-sectional view of the timing crane beam 14 of figure 1.

The numbers in the figure represent: 01. balance ground beam, 02, house body frame, 03, damp-proof wall board, 04, lifting ground supporting disc, 041, adjusting screw, 042, non-circular bayonet, 043, spherical rotary joint, 05, vacuum pumping unit, 06, air exchanger, 10, iron core overhaul workshop, 11, lifting core window, 12, multi-port hydraulic machine, 120, hydraulic telescopic column, 13, flat lifting base plate, 14, synchronous lifting beam, 140, lifting positioning groove, 141, roller sliding groove, 142, crane notch, 15, telescopic window mask, 16, fixed sliding crane, 160, lifting rope, 161, clamping groove lifting plate, 162, lifting rope clamping ring, 163, crane wheel shaft, 164, top trolley spring, 165, clamping groove roller, 20, case overhaul workshop, 21, grooved rail, 30, case, 31, left lifting case body, 310, lifting case cantilever, 311, crossbar positioning clamp, 312, clamping rail, 313, transverse frame arm rod, 32. the right box-lifting type bicycle comprises a right box-lifting bicycle body, 320, a cantilever shaft sleeve, 321, a square pipe sleeve, 322, a control knob, 33, a front bicycle body connecting rod, 330, a socket crosspiece, 34, a rear bicycle body connecting rod, 340, a bidirectional screw rod, 341, a bolt bayonet, 342, a positioning bolt, 35, a hoop disc and 350, and a top disc screw rod.

Detailed Description

Referring to fig. 1 in combination with fig. 2, 3, 4, 5 and 6, the frame combination house for field overhaul of transformer in this embodiment includes an iron core overhaul bay 10 and a chassis overhaul bay 20, the iron core overhaul bay 10 and the chassis overhaul bay 20 are assembled by combining a balance ground beam 01, a body frame 02 and a moisture-proof wall panel 03, a core hoisting window 11 is provided at the top of the iron core overhaul bay 10, a multi-port hydraulic press 12 is provided at the bottom of the iron core overhaul bay, a flat hoisting base frame plate 13 is provided at the top of the core hoisting window 11, the multi-port hydraulic press 12 is provided with a plurality of hydraulic telescopic columns 120 and drives the flat hoisting base frame plate 13 to move up and down, the flat hoisting base plate 13 is provided with a synchronous hoisting beam 14 and a telescopic hoisting window mask 15, the synchronous hoisting beam 14 is provided with a plurality of fixed-sliding hoists 16, the fixed-sliding hoists 16 are provided with hoisting ropes 160 and hoist the transformer core and the chassis in a horizontal manner, groove-shaped rails 21 are provided, the case carrier 30 is installed on the groove-shaped rail 21, the case carrier 30 comprises a left case-lifting body 31, a right case-lifting body 32, a front body connecting rod 33 and a rear body connecting rod 34, the case can be carried and the case can be overturned transversely, the left case-lifting body 31 and the right case-lifting body 32 are installed on the groove-shaped rail 21 in a left-right opposite manner, a case-lifting cantilever 310, a cross arm positioning clamp 311 and a track clamping roller 312 are sequentially arranged at the top, the middle and the bottom of the left case-lifting body 31 and the right case-lifting body 32, the case-lifting cantilever 310 has an axial movement and rotation function, the end part of the case-lifting cantilever is provided with a cross frame arm 313, two ends of the cross frame arm 313 are provided with connecting rod butt joints, the cross arm positioning clamp 311 is matched with the cross frame arm clamp 313, the track clamping roller 312 is matched with the groove-shaped rail 21 in a rolling manner, the rod bodies of the front connecting rod 33 and the rear body connecting rod 34 have a telescopic function, and, the front vehicle body connecting rod 33, the rear vehicle body connecting rod 34 and the cross frame arm rod 313 are connected into a square frame, and a plurality of pairs of hooping discs 35 are arranged on the square frame.

In the embodiment, the balance ground beam 01, the room body frame 02 and the moisture-proof wall plate 03 are utilized to set up the overhaul room which accords with the overhaul condition of the transformer around the transformer, and the iron core pulling and hanging overhaul mechanism and the machine case turning-over overhaul mechanism are installed in the overhaul room, so that workers can complete the transformer disassembly and the inspection and maintenance work on the installation site, the time length of the overhaul work of the transformer is shortened, and the overhaul cost is reduced.

The balance ground beam 01 is composed of a plurality of square steel beams and is combined into a house ground pedestal on the ground, the house body frame 02 is composed of a plurality of pairs of door-shaped beam frames and is combined into a house main body frame with the balance ground beam 01, the moisture-proof wall boards 03 are installed on the house body frame 02 and are combined into a house wall body, and the balance ground beam 01 is provided with a plurality of pairs of lifting ground supporting discs 04.

During concrete implementation, be equipped with room frame bayonet socket and track bayonet socket at balance beam 01 top, room body frame 02 through the firm dismantlement of installing at balance beam 01 top and ability convenience of room frame bayonet socket, cell type track 21 through the firm dismantlement of installing in the house both sides and ability convenience of track bayonet socket, be equipped with the wallboard buckle on room body frame 02, dampproofing wallboard 03 through the firm dismantlement of installing on room body frame 02 and ability convenience of wallboard buckle.

During specific implementation, a plurality of screw holes with communicated top and bottom are formed in the balance ground beam 01, the lifting support ground disc 04 is of a disc structure, the top of the lifting support ground disc is provided with an adjusting screw 041, the adjusting screw 041 is sleeved in the screw holes, the center of the adjusting screw 041 is provided with a non-circular bayonet 042, and a spherical rotary joint 043 is arranged between the adjusting screw 041 and the lifting support ground disc 04. An operator drives the adjusting screw 041 to rotate through the non-circular bayonet 042, so that the lifting ground supporting disc 04 can be driven to move up and down, and the balance ground beam 01 is stably erected on the ground in a horizontal mode.

Ejector rod bases connected with hydraulic telescopic columns 120 are arranged at the left end and the right end of the horizontal hanging base frame plate 13, the synchronous hoisting beams 14 are arranged at the front side and the rear side of the bottom of the horizontal hanging base frame plate 13, and the telescopic window masks 15 are arranged on the peripheral outer edge of the horizontal hanging base frame plate 13 and the bottoms of the telescopic window masks are connected with the frame of the hanging core window 11.

In specific implementation, the horizontal hoisting pedestal plate 13 is arranged into a plate structure matched with the hoisting core window 11, the two synchronous hoisting beams 14 are arranged in parallel, and the ejector rod base is arranged at the end part of the synchronous hoisting beam 14, so that the stress structure of the horizontal hoisting pedestal plate 13 can be improved, and the synchronous hoisting beam 14 can hoist the transformer core and the case in a horizontal mode.

In specific implementation, two pairs of hydraulic telescopic columns 120 are respectively arranged on two sides of the iron core overhaul workshop 10, and the multi-port hydraulic machine 12 is simultaneously connected with the four pairs of hydraulic telescopic columns 120 and is provided with a synchronous lifter, so that the four pairs of hydraulic telescopic columns 120 synchronously move up and down. The core hanging window 11 is set to be slightly larger than the square frame structure of the transformer core, and the core can be conveniently lifted upwards to the top of the core overhaul workshop 10.

In specific implementation, the retractable window and cover 15 is configured to be a cover-type structure matched with the hanging core window 11 and has retractable elasticity, and the retractable window and cover is extended or shortened along with the lifting movement of the horizontal hanging base frame plate 13, so that other impurities such as dust, moisture and the like are prevented from being adhered to the iron core.

The synchronous lifting beam 14 is a square beam structure, and the top of the inner cavity thereof is provided with a lifting positioning groove 140, the bottom thereof is provided with a roller slideway groove 141, and the middle parts of the lifting positioning groove 140 and the roller slideway groove 141 are provided with a crane notch 142 which penetrates through the beam body downwards.

The fixed-sliding crane 16 is of a cylindrical structure, a clamping groove lifting plate 161 is arranged at the top of the fixed-sliding crane 16, a lifting rope clamping ring 162 is arranged at the bottom of the fixed-sliding crane 16, a wheel shaft lifting port is formed in the middle of the crane, a crane wheel shaft 163 and a jacking spring 164 are arranged in the wheel shaft lifting port, clamping groove rolling wheels 165 are arranged at two ends of the crane wheel shaft 163, and the lifting rope 160 is connected with the lifting rope clamping ring 162.

In specific implementation, the clamping groove lifting plate 161 is sleeved in the lifting positioning groove 140, the clamping groove roller 165 is sleeved in the roller sliding groove 141, when the lifting rope clamping ring 162 is not pulled by the lifting rope 160, the elastic force of the jacking spring 164 pushes the whole trolley body to move upwards, the clamping groove lifting plate 161 is separated from the bottom plate of the lifting positioning groove 140 and is in a suspended state, the whole trolley body can move along with the clamping groove roller 165 along the opening 142 of the crane, and an operator can drive the fixed-sliding crane 16 to slide to a preset position by pulling the lifting rope 160 transversely; when the lifting rope clamping ring 162 is pulled by the lifting rope 160, the whole trolley body moves downwards against the spring jacking force, and the clamping groove lifting plate 161 is clamped and pressed on the bottom plate of the lifting positioning groove 140 to limit the fixed-slip crane 16 from moving transversely.

Because the iron core and the case are all provided with four hoisting points, eight fixed-sliding cranes 16 are arranged on the synchronous hoisting beam 14, wherein four fixed-sliding cranes are used for hoisting the iron core and adjusting the iron core to be vertical to the iron core hoisting points, and the other four fixed-sliding cranes are used for hoisting the case and adjusting the case to be vertical to the case hoisting points. In specific implementation, the four hoisting ropes 160 for hoisting the iron core are short, so that the iron core can be hoisted out from the top opening of the chassis, and the hoisting ropes 160 for hoisting the chassis are long, so long as the chassis can be hoisted to a certain height from the ground.

During specific implementation, the groove-shaped rails 21 include a left-side rail and a right-side rail and are installed on two sides of the iron core overhaul workshop 10 and the chassis overhaul workshop 20 in a left-right opposite mode, the inner sides of the left-side rail and the right-side rail are provided with carrier wheel grooves, and the clamping rail rollers 312 are clamped in the carrier wheel grooves to roll and run, so that the chassis carrier 30 is driven to transversely run.

The left box lifting trolley body 31 and the right box lifting trolley body 32 are of a triangular plate structure with a large bottom and a small top, a cantilever shaft sleeve 320 is arranged at the top of the triangular plate, a square pipe sleeve 321 which is communicated with the left and the right is arranged in the middle of the triangular plate, the box lifting cantilever 310 is of a shaft rod structure and is sleeved in the cantilever shaft sleeve 320, the cross arm positioning clamp 311 is sleeved in the square pipe sleeve 321, a cantilever bayonet is arranged at the end of the cross arm positioning clamp 311, a driving and reversing tooth port is formed in the outer wall of the cross arm positioning clamp, a control knob 322 matched with the driving and reversing tooth port is arranged at the tail end of the square.

In specific implementation, the rail clamping rollers 312 are sleeved in the wheel grooves of the transport vehicle, so that the left box lifting body 31 and the right box lifting body 32 are firmly installed on the groove-shaped rail 21 and can conveniently move along the rail, and the box lifting cantilever 310 can axially move along the cantilever shaft sleeve 320 and can drive the cross-frame arm rod 313 to rotate and swing. The end of the control knob 322 is provided with a gear matched with the advance and retreat tooth openings, and the cross arm positioning clamp 311 is driven to extend out of or retract into the square pipe sleeve 321 when the control knob rotates.

The middle parts of the rod bodies of the front vehicle body connecting rod 33 and the rear vehicle body connecting rod 34 are disconnected and are arranged into a spiral tube structure, a two-way screw 340 is arranged between the two spiral tube openings, the socket crosspiece 330 is transversely arranged at the end parts of the front vehicle body connecting rod 33 and the rear vehicle body connecting rod 34, a plug pin bayonet 341 is arranged in the middle part of the socket crosspiece 330, and a positioning plug pin 342 matched with the plug pin bayonet 341 is arranged in the middle part of the connecting rod butt joint opening.

In specific implementation, the jack crosspiece 330 is matched with the connecting rod butt-joint jack in an inserting way, so that the front vehicle body connecting rod 33 and the rear vehicle body connecting rod 34 can be firmly connected with the left box lifting vehicle body 31 and the right box lifting vehicle body 32 into a whole conveniently, and can be detached and separated conveniently. The two ends of the bidirectional screw 340 are respectively provided with a forward rotation thread and a reverse rotation thread, the two screw ports are provided with screw ports corresponding to the forward rotation thread and the reverse rotation thread, and the bidirectional screw 340 can be rotated to drive the front vehicle body connecting rod 33 or the rear vehicle body connecting rod 34 to extend or shorten.

Hoop and embrace disc 35 terminal surface and be equipped with anti-skidding cushion, the back is equipped with a set screw rod 350, in the screw pipe of set screw rod 350 suit on square frame, and the screw rod tip sets to the non-cylinder.

During specific implementation, the multiple pairs of hooping discs 35 are uniformly distributed and installed on the square frame, so that the case carrier 30 firmly hoops the transformer case in a surrounding hooping manner. The top disc screw 350 is provided with a screw crank, the screw crank is provided with a bayonet matched with the non-cylindrical body, the top disc screw 350 can be conveniently driven to rotate, and then the hooping disc 35 is driven to be tightly jacked or loosened.

When the method is implemented, firstly, the multiport hydraulic machine 12 and the fixed-sliding crane 16 are operated to lift the transformer core upwards, the lifting operation is suspended when the core is separated from the case, the case is fixedly connected with the lifting rope 160 and then is lifted synchronously, the lifting is stopped when the case is separated from the ground by a certain height, then the case carrier 30 is operated to the iron core overhaul workshop 10, the square frame firmly holds the case tightly, the multiport hydraulic machine 12 is controlled to operate downwards, the lifting rope 160 connected with the case is stopped after being completely loosened, the case is separated from the lifting rope 160 and is pushed transversely, the case can be transported to the case overhaul workshop 20, then the case is transversely turned over, the interior of the case can be conveniently and specifically overhauled, the case enters the overhaul workshop and then is controlled to operate downwards, until the core descends to a position convenient to overhaul, the iron core can be comprehensively inspected and repaired in detail, after the machine case and the iron core are overhauled, the iron core is hoisted again, then the machine case is carried back to the iron core overhauling workshop 10, the ground is placed, the iron core is placed downwards into the machine case, and overhauling and assembling work can be completed.

The on-site overhaul frame combined room of the transformer is provided with a vacuum pumping unit 05 and an air exchanger 06, wherein the vacuum pumping unit 05 is provided with a bidirectional filter and an oil temperature controller, and the air exchanger 06 is provided with a dust removal filter element and a humidity controller.

During specific implementation, the vacuum pumping unit 05 is installed in the iron core overhaul workshop 10 and connected between the transformer case and the oil storage tank through an oil pipe, transformer oil is input into or output from the transformer case, and filtering purification and temperature regulation are performed in the oil transportation process. The air exchanger 06 is installed in the machine case overhaul bay 20 to keep the air in the core overhaul bay 10 and the machine case overhaul bay 20 clean and dry.

In conclusion, the present embodiment solves the problems of high cost and long time consumption of the existing transformer overhaul mode, and provides a transformer on-site overhaul frame combination room which is built around the transformer and meets the overhaul working conditions.

Claims

1. The utility model provides a transformer field overhaul frame combination room, includes that the iron core overhauls the workshop and quick-witted case overhauls the workshop, characterized by: the iron core overhaul workshop (10) and the case overhaul workshop (20) are formed by mutually combining and assembling a balance ground beam (01), a house body frame (02) and a moisture-proof wall plate (03), a hoisting core window (11) is arranged at the top of the iron core overhaul workshop (10), a multi-port hydraulic machine (12) is arranged at the bottom of the iron core overhaul workshop, a horizontal hoisting base frame plate (13) is arranged at the top of the hoisting core window (11), a plurality of hydraulic telescopic columns (120) are arranged on the multi-port hydraulic machine (12) and drive the horizontal hoisting base frame plate (13) to move up and down, a synchronous hoisting beam (14) and a telescopic window mask (15) are arranged on the horizontal hoisting base frame plate (13), a plurality of fixed sliding cranes (16) are installed on the synchronous hoisting beam (14), hoisting ropes (160) are arranged on the fixed sliding cranes (16) and hoist the transformer core and the case in a horizontal mode, groove-shaped rails (21) are arranged on two sides of the iron core overhaul workshop (10), the chassis carrying vehicle (30) is installed on the groove-shaped track (21), the chassis carrying vehicle (30) comprises a left box lifting vehicle body (31), a right box lifting vehicle body (32), a front vehicle body connecting rod (33) and a rear vehicle body connecting rod (34), the chassis can be carried and can be overturned transversely, the left box lifting vehicle body (31) and the right box lifting vehicle body (32) are installed on the groove-shaped track (21) in a left-right opposite mode, box lifting cantilevers (310), cross arm positioning clamps (311) and clamping rail rollers (312) are sequentially arranged at the top, the middle and the bottom of the left box lifting vehicle body (31) and the right box lifting vehicle body (32), the box lifting cantilevers (310) have axial movement and rotation functions, cross frame arm rods (313) are arranged at the end parts of the box lifting cantilevers, connecting rod butt joints are arranged at the two ends of the cross frame arm rods (313), the cross arm positioning clamps (311) are in clamping fit with the cross frame arm rods (313), and the clamping rails (312) are in rolling, the body of rod of preceding automobile body connecting rod (33) and back automobile body connecting rod (34) has flexible function, and the body of rod both ends be equipped with connecting rod butt joint mouth complex socket crosspiece (330), preceding automobile body connecting rod (33), back automobile body connecting rod (34) connect into square frame with crossbearer armed lever (313), are equipped with many pairs on square frame and hoop and embrace disc (35).

2. The on-site overhaul frame combined house of the transformer as claimed in claim 1, wherein: balance ground roof beam (01) constitute and make up into house ground bed frame on ground by many square steel beam combinations, room body frame (02) constitute and make up into house main body frame with balance ground roof beam (01) by many pairs of door shape roof beam frame combinations, dampproofing wallboard (03) are installed on room body frame (02) and make up into house wall body each other, balance ground roof beam (01) are equipped with many pairs and go up and down to prop ground dish (04).

3. The on-site overhaul frame combined house of the transformer as claimed in claim 1, wherein: the synchronous hoisting beam (14) is of a square beam body structure, the top of an inner cavity of the synchronous hoisting beam is provided with a hoisting positioning groove (140), the bottom of the synchronous hoisting beam is provided with a roller slideway groove (141), and the middle parts of the hoisting positioning groove (140) and the roller slideway groove (141) are provided with crane notches (142) which penetrate through the beam body downwards.

4. The on-site overhaul frame combined house of the transformer as claimed in claim 1, wherein: the fixed-sliding crane (16) is of a cylindrical structure, a clamping groove lifting plate (161) is arranged at the top of the fixed-sliding crane, a lifting rope clamping ring (162) is arranged at the bottom of the fixed-sliding crane, a wheel shaft lifting port is formed in the middle of the crane, a crane wheel shaft (163) and a lifting spring (164) are arranged in the wheel shaft lifting port, clamping groove rolling wheels (165) are arranged at two ends of the crane wheel shaft (163), and the lifting rope (160) is connected with the lifting rope clamping ring (162).

5. The on-site overhaul frame combined house of the transformer as claimed in claim 1, wherein: the left lifting box car body (31) and the right lifting box car body (32) are of a triangular plate structure with a large bottom and a small top, a cantilever shaft sleeve (320) is arranged at the top of the triangular plate, a square pipe sleeve (321) communicated with the left and the right is arranged in the middle of the triangular plate, the lifting box cantilever (310) is of a shaft rod structure and is sleeved in the cantilever shaft sleeve (320), a transverse arm positioning clamp (311) is sleeved in the square pipe sleeve (321), a cantilever bayonet is arranged at the end part of the transverse arm positioning clamp, a driving and reversing tooth mouth is arranged on the outer wall of the transverse arm positioning clamp, a control knob (322) matched with the driving and reversing tooth mouth is arranged at the tail end of the square pipe sleeve (.

6. The on-site overhaul frame combined house of the transformer as claimed in claim 1, wherein: preceding automobile body connecting rod (33) and back automobile body connecting rod (34) body of rod middle part disconnection and set to the solenoid structure, are equipped with two-way screw rod (340) between two screw tube mouths, socket crosspiece (330) transversely set up in the front automobile body connecting rod (33) and back automobile body connecting rod (34) tip, are equipped with bolt bayonet socket (341) in socket crosspiece (330) middle part, are equipped with in the connecting rod and fix a position bolt (342) supporting with bolt bayonet socket (341) in the interface middle part.

7. The on-site overhaul frame combined house of the transformer as claimed in claim 1, wherein: hoop and embrace disc (35) terminal surface and be equipped with anti-skidding cushion, the back is equipped with a set screw rod (350), in set screw rod (350) suit was in the screw pipe on the square frame, and the screw rod tip set to the non-cylinder.