CN220596938U - Auxiliary device for replacing extra-high voltage transformer submersible pump - Google Patents

Abstract

The utility model discloses an auxiliary device for replacing an ultra-high voltage transformer submersible pump, which comprises a movable trolley, a lifting support assembly and a clamping assembly, wherein the lifting support assembly and the clamping assembly are both arranged on the movable trolley, the lifting support assembly lifts the submersible pump through lifting so as to install or detach the submersible pump, the clamping assembly clamps and fixes a side flange of the submersible pump, and the lifting support assembly lifts the submersible pump and the clamping assembly stabilizes the side flange of the submersible pump to stabilize the submersible pump on the movable trolley so that the condition that the submersible pump falls off in the process of replacing the submersible pump can not occur.

Description

Auxiliary device for replacing extra-high voltage transformer submersible pump

Technical Field

The utility model relates to the technical field of tools for electric power construction, in particular to an auxiliary device for replacing an ultra-high voltage transformer submersible pump.

Background

In the running process of the transformer with the voltage of 330kV and above, the high voltage level of the conversion, the large amount of current passing through the iron core, and a large amount of heat are generated, so the heat dissipation effect of the heat dissipation system of the transformer with the voltage of 330kV and above is required to be very high in the working process of the transformer with the voltage of 330kV and above. Therefore, the transformer with the voltage of 330kV and above is provided with a forced oil circulation air cooling system, heat dissipation of the forced oil circulation air cooling system mainly depends on an oil-immersed pump attached to the bottom of a radiating fin to drive the transformer body and insulating oil in the radiating fin to circularly dissipate heat, and because the oil-immersed pump is in a long-term running state, especially in summer, the working strength is maximum, fault and outage of the oil-immersed pump can be often caused, and if the oil-immersed pump is not replaced in time, the transformer is stopped due to the air cooling fault and severe power grid faults are caused. In daily transformer oil-submerged pump's of changing work, because the oil-submerged pump is located the fin bottom generally, and the space of locating is narrow and small, and oil-submerged pump self weight is big in addition, in actual change work, generally needs three to four people to hold the oil-submerged pump in narrow and small space through the manpower and uninstallation assembly, very easily causes the heavy object extrusion injury to the staff, therefore the oil-submerged pump change work degree of difficulty is very big.

In order to reduce the labor intensity of replacement personnel and the injury of the occurrence personnel, application number 201320057523 discloses a special platform for replacing a transformer oil-submerged pump, which comprises an objective table 1, a jack 2 and a sliding seat 3, wherein the jack 2 is fixed between the objective table 1 and the sliding seat 3, the sliding seat 3 is placed in a sliding groove 8 and slides along the sliding groove 8, an upper upright post 4 is respectively fixed at four corners of the sliding seat 3, a sliding sleeve 5 is sleeved on the upright post 4, and the top end of the sliding sleeve 5 is fixed at the corner of the objective table 1. The objective table 1 is to Ji Qian oil pump bottom, aim at the protruding nut in oil-submerged pump bottom with through-hole 9, put on the objective table 1 at the oil-submerged pump, can make the nut insert in the through-hole 9, guarantee that the oil-submerged pump can be steady place on the objective table 1, rise jack 2, make objective table 1 to suitable height hold the oil-submerged pump, demolish the connecting bolt between oil-submerged pump and the fin, readjust jack 2 reduces, then the pulling slide 3 slides in spout 8, drag out objective table 1 together with the oil-submerged pump, carry out the step in reverse in the time of the assembly, in the dismouting transportation, the staff inserts the removal of objective table 1 and oil-submerged pump in the sleeve pipe 6 with lifting lever 7. Because the irregular shape of the submersible pump leads to the fact that the gravity center of the submersible pump can not be located on the vertical middle line of the flange at the upper end of the submersible pump, most of the submersible pump motors are not provided with protruding nuts, the submersible pump which is not provided with nuts on the submersible pump motors can not be stably fixed on the objective table 1 by adopting the structure and the mode in the prior art, the phenomenon that the submersible pump falls can occur in the moving process of the submersible pump on the objective table 1, and the falling submersible pump collides with other parts of a heat dissipation system, so that replacement workers can be injured in some cases.

Disclosure of Invention

In view of the foregoing, it is necessary to provide an auxiliary device for replacing an extra-high voltage transformer submersible pump, which solves the problem of unstable fixed submersible pump in the prior art.

The utility model provides an auxiliary device for extra-high voltage transformer oil-submerged pump is changed, includes travelling car, lift supporting component and clamping assembly, and lift supporting component and clamping assembly all install on travelling car, and lift supporting component lifts the oil-submerged pump through going up and down so that install or dismantle the oil-submerged pump, and clamping assembly is fixed with the side flange centre gripping of oil-submerged pump, and lift supporting component lifts the oil-submerged pump and clamping assembly stabilizes the oil-submerged pump side flange and stabilizes the oil-submerged pump on travelling car so that the condition that the oil-submerged pump dropped can not appear in the in-process of changing the oil-submerged pump.

Preferably, the lifting support assembly comprises at least one hydraulic cylinder and a supporting plate, the lower side face of the supporting plate is arranged at the top end of each hydraulic cylinder, the bottom end of each hydraulic cylinder is fixed on the movable trolley, lifting of the supporting plate is completed in the telescopic process of the hydraulic cylinder, the supporting plate supports the submersible pump in the lifting process so as to detach the submersible pump from the heat dissipation system of the extra-high voltage transformer, or supports the submersible pump in the lifting process so as to install the submersible pump into the heat dissipation system of the extra-high voltage transformer.

Preferably, the lifting support assembly further comprises a box body, a power supply, a motor, a hydraulic pump, a hydraulic electromagnetic valve and a hydraulic oil storage tank, wherein the box body is arranged on the travelling car, the power supply and the hydraulic oil storage tank are arranged in the box body, the motor is arranged on the side wall of the box body, the motor is electrically connected with the power supply through a switch, an output shaft of the motor is connected with a rotating shaft of the hydraulic pump, the hydraulic electromagnetic valve is communicated with the hydraulic pump through a bidirectional single-connection distributor through a pipeline, an electric pressing button, an electric pressure release button and a manual pressure release button are arranged on the bidirectional single-connection distributor, and the hydraulic electromagnetic valve is communicated with each hydraulic cylinder through a pipeline.

Preferably, a pressure gauge is arranged on the upper side wall of the box body, and a pressure sensing unit of the pressure gauge is arranged at an oil outlet of the hydraulic pump and used for detecting the hydraulic pressure output by the hydraulic pump.

Preferably, the clamping assembly comprises a supporting seat, a telescopic assembly and a hoop, wherein the supporting seat is arranged on the movable trolley, the first end of the telescopic assembly is arranged on the supporting seat in a rotating mode, the second end of the telescopic assembly is connected with the hoop in a rotating mode, the hoop is used for encircling a flange for clamping the side of the oil-submerged pump, and the hoop encircles the flange clamped on the side face of the oil-submerged pump, and then the length of the telescopic assembly is adjusted to enable the flange face on the upper side of the oil-submerged pump to be arranged on the lifting supporting assembly to be horizontal so as to be convenient to install or detach.

Preferably, the telescopic assembly comprises a first connecting piece, a second connecting piece and a sleeve, the first end of the first connecting piece is installed on the supporting seat in a rotating mode, the second end of the first connecting piece is in threaded connection with the first end of the sleeve, the second end of the sleeve is in threaded connection with the first end of the second connecting rod, threads arranged at the second end of the first connecting piece and threads arranged at the first end of the second connecting rod are reverse threads, threads at the two ends of the sleeve are reverse threads, the second end of the second connecting rod is in rotary connection with the anchor ear, and the distance between the first connecting piece and the second connecting rod is adjusted by the rotary sleeve so as to adjust the length of the telescopic assembly to adapt to the oil-submerged pump at different positions.

Preferably, the anchor ear comprises a first arc-shaped part and a second arc-shaped part, and the first arc-shaped part and the second arc-shaped part are connected by adopting a connecting piece.

Preferably, the two ends of the first arc-shaped part are provided with a first butt joint part and a second butt joint part, and the first butt joint part and the second butt joint part respectively bend and extend towards the outer side of the first arc-shaped part; the two ends of the second arc-shaped part are provided with a third butt joint part and a fourth butt joint part, and the third butt joint part and the fourth butt joint part respectively bend and extend towards the outer side of the second arc-shaped part; the first butt joint portion and the third butt joint portion are connected through a first bolt, and the second butt joint portion and the fourth butt joint portion are connected through a second bolt.

Preferably, the mobile trolley comprises a trolley body and at least three mobile wheels, wherein each mobile wheel is arranged on the lower side surface of the trolley body, the lifting support assembly and the clamping assembly are arranged on the upper side surface of the trolley body, and the brake is arranged on each mobile wheel.

Preferably, the movable wheel is a universal wheel, the movable trolley further comprises a handle, and the handle and the clamping assembly are respectively arranged on two opposite sides of the trolley body.

In the auxiliary device for replacing the ultra-high voltage transformer submersible pump, the lifting support assembly lifts and supports the submersible pump, and then the side flange of the submersible pump is clamped and fixed through the clamping assembly, so that the submersible pump is firmly fixed on the movable trolley to detach or install the submersible pump, and the submersible pump is prevented from tilting and even falling from the movable trolley in the process of detaching or installing the submersible pump.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a cross-sectional view of the hydraulic cylinder.

Fig. 4 is a partially assembled schematic illustration of the present utility model.

Fig. 5 is a front view of the telescoping assembly.

Fig. 6 is a perspective view of the anchor.

Fig. 7 is a state diagram of the installation or removal of the submersible pump using the present utility model.

In the figure: the traveling car 10, the car body 11, the traveling wheel 12, the brake 121, the handle 13, the lifting support assembly 20, the hydraulic cylinder 21, the jack 211, the piston 212, the cylinder 213, the upper cavity 214, the oil outlet 2141, the lower cavity 215, the oil inlet 2151, the pallet 22, the box 23, the pressure gauge 231, the power supply 24, the motor 25, the hydraulic pump 26, the hydraulic solenoid valve 27, the hydraulic oil storage tank 28, the bidirectional single-link distributor 29, the electric pressing button 291, the electric pressure release button 292, the manual pressure release button 293, the clamping assembly 30, the support seat 31, the telescopic assembly 32, the first connecting piece 321, the second connecting piece 322, the sleeve 323, the anchor ear 33, the first arc 331, the first butt joint 3311, the second butt joint 3312, the second arc 332, the third butt joint 3321, the fourth butt joint 3322, the first bolt 333, the second bolt 334, the submersible pump 200, the side flange 201, and the upper flange 202.

Detailed Description

The technical scheme and technical effects of the embodiments of the present utility model are further described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 7, the auxiliary device for the replacement of the submersible pump of the extra-high voltage transformer includes a traveling carriage 10, a lifting support assembly 20 and a clamping assembly 30, wherein the lifting support assembly 20 and the clamping assembly 30 are installed on the traveling carriage 10, the lifting support assembly 20 lifts the submersible pump 200 by lifting so as to install the submersible pump 200 into or detach the submersible pump 200 from the heat dissipation system of the extra-high voltage transformer, the clamping assembly 30 clamps and fixes the side flange 201 of the submersible pump 200, and the lifting support assembly 20 lifts the submersible pump 200 and the clamping assembly 30 stabilizes the side flange 201 of the submersible pump 200 to stabilize the submersible pump 200 on the traveling carriage 10 so that the tilting or even dropping of the submersible pump 200 does not occur during the replacement of the submersible pump 200.

Further, the lifting support assembly 20 includes at least one hydraulic cylinder 21 and a pallet 22, the underside of the pallet 22 is disposed at the top end of each hydraulic cylinder 21, the bottom end of each hydraulic cylinder 21 is fixed on the travelling car 10, the pallet 22 is driven to lift during the telescopic process of the hydraulic cylinder 21, the pallet 22 supports the submersible pump 200 during the lifting process so as to detach the submersible pump 200 from the heat dissipation system of the extra-high voltage transformer, or the pallet 22 supports the submersible pump 200 during the lifting process so as to install the submersible pump 200 into the heat dissipation system of the extra-high voltage transformer.

Further, the lifting support assembly 20 further comprises a box 23, a power supply 24, a motor 25, a hydraulic pump 26, a hydraulic electromagnetic valve 27 and a hydraulic oil storage tank 28, wherein the box 23 is arranged on the travelling car 10, the power supply 24 and the hydraulic oil storage tank 28 are arranged in the box 23, the motor 25 is arranged on the side wall of the box 23, the motor 25 is electrically connected with the power supply 24 through a switch, an output shaft of the motor 25 is connected with a rotating shaft of the hydraulic pump 26, the hydraulic electromagnetic valve 27 is communicated with the hydraulic pump 26 through a two-way single-link distributor 29 by adopting a pipeline, an electric pressing button 291, an electric pressure release button 292 and a manual pressure release button 293 are arranged on the two-way single-link distributor 29, and the hydraulic electromagnetic valve 27 is communicated with each hydraulic cylinder 21 through pipelines. Each hydraulic cylinder 21 comprises a push rod 211, a piston 212 and a cylinder body 213, wherein the piston 212 is arranged in the cylinder body 213 and can move up and down along the inner wall of the cylinder body 213, the lower end of the push rod 211 is arranged on the piston 212, the piston 212 divides the cylinder body 213 into an upper cavity 214 and a lower cavity 215, an oil inlet 2151 is arranged on the lower cavity 215, and an oil outlet 2141 is arranged on the upper cavity 214. The worker starts the motor 25 to rotate, then operates the electric pressing button 291 to enable the hydraulic solenoid valve 27 to work to communicate the pressurizing channel of the hydraulic solenoid valve 27 with the oil inlet 2151 of each hydraulic cylinder 21, and enables the motor 25 to drive the hydraulic pump 26 to work to sequentially convey the hydraulic oil in the hydraulic oil storage tank 28 to the pressurizing channel of the bidirectional single-link distributor 29, the pressurizing channel of the hydraulic solenoid valve 27 and the lower cavity 215 of each hydraulic cylinder 213; the worker turns on the motor 25 to rotate, then operates the electric pressure release button 292 to enable the hydraulic solenoid valve 27 to work to communicate the pressure release channel of the hydraulic solenoid valve 27 with the oil outlet 2141 of each hydraulic cylinder 21, so that the hydraulic oil in the upper cavity 214 of each hydraulic cylinder 213 is sequentially conveyed into the pressure release channel of the hydraulic solenoid valve 27, the pressure release channel of the bidirectional single-connection distributor 29 and the hydraulic oil storage tank 28.

Further, a pressure gauge 231 is provided on the upper sidewall of the tank 23, and a pressure sensing unit of the pressure gauge 231 is provided at the oil outlet of the hydraulic pump 26 to detect the hydraulic pressure output from the hydraulic pump 26.

Further, the hydraulic cylinder 21, the box 23, the pressure gauge 231, the power supply 24, the motor 25, the hydraulic pump 26, the hydraulic solenoid valve 27, the hydraulic oil storage tank 28 and the bidirectional single-link distributor 29 of the lifting support assembly 20 can be realized by an electro-hydraulic jack with the model number of DQF50/100, or the model number of DQF50/200, or the model number of DQF50/300, or the model number of DQF 50/500; other specific combinations of embodiments of the present application may be implemented as well.

Further, the clamping assembly 30 includes a supporting seat 31, a telescopic assembly 32 and a hoop 33, the supporting seat 31 is mounted on the travelling car 10, a first end of the telescopic assembly 32 is mounted on the supporting seat 31 in a rotating manner, a second end of the telescopic assembly 32 is rotatably connected with the hoop 33, the hoop 33 is used for encircling a side flange 201 for clamping the oil-submerged pump 200, the hoop 33 is encircling the side flange 201 for clamping the oil-submerged pump 200, and then the length of the telescopic assembly 32 is adjusted after encircling the side flange 201 for clamping the oil-submerged pump 200, so that a flange surface of the upper side flange 202 of the oil-submerged pump 200 placed on the lifting supporting assembly 20 is horizontal for mounting or dismounting. In this embodiment, the supporting seat 31 is mounted at the front end of the mobile cart 10, and the rotation direction of the telescopic component 32 is from the front end of the mobile cart 10 to the rear end of the mobile cart, or the rotation direction of the telescopic component 32 is from the rear end of the mobile cart 10 to the front end of the mobile cart; in other embodiments, the support seat 31 may be mounted on the left or right side of the mobile cart 10, and the rotation direction of the telescopic assembly 32 is reciprocally rotated from the left side to the right side of the mobile cart, so that the utility model can meet different use environments for operation.

Further, the telescopic component 32 comprises a first connecting piece 321, a second connecting piece 322 and a sleeve 323, the first end of the first connecting piece 321 is installed on the supporting seat 31 in a rotating mode, the second end of the first connecting piece 321 is in threaded connection with the first end of the sleeve 323, the second end of the sleeve 323 is in threaded connection with the first end of the second connecting piece 322, threads formed at the second end of the first connecting piece 321 and threads formed at the first end of the second connecting piece 322 are opposite threads, threads formed at two ends of the sleeve 323 are opposite threads, the second end of the second connecting piece 322 is in rotating connection with the anchor ear 33, and the distance between the first connecting piece 321 and the second connecting piece 322 is adjusted by rotating the sleeve 323 so as to adjust the length of the telescopic component 32 to adapt to the submersible pump 200 at different positions.

Further, the anchor ear 33 includes a first arc portion 331 and a second arc portion 332, the first arc portion 331 and the second arc portion 332 are connected by a connecting member, and the first arc portion 331 and the second connecting member 322 are rotationally connected.

Further, a first butt joint part 3311 and a second butt joint part 3312 are arranged at two ends of the first arc-shaped part 331, and the first butt joint part 3311 and the second butt joint part 3312 are respectively bent and extended towards the outer side of the first arc-shaped part 331; the two ends of the second arc-shaped part 332 are provided with a third butt joint part 3321 and a fourth butt joint part 3322, and the third butt joint part 3321 and the fourth butt joint part 3322 respectively bend and extend towards the outer side of the second arc-shaped part 332; the first butt portion 3311 and the third butt portion 3321 are connected by a first bolt 333, and the second butt portion 3312 and the fourth butt portion 3322 are connected by a second bolt 334. Adjusting the spacing between the first and third abutments 3311, 3321 by the first bolts 333 and adjusting the spacing between the second and fourth abutments 3312, 3322 by the second bolts 334 effects a change in the diameter of the anchor ear 33 to clamp the side flange 201 of the submersible pump 200.

Further, the traveling car 10 includes a car body 11 and at least three traveling wheels 12, each traveling wheel 12 being mounted on a lower side of the car body 11, and a lifting support assembly 20 and a clamping assembly 30 being mounted on an upper side of the car body 11, each traveling wheel 12 being mounted with a brake 121.

Further, the moving wheel 12 is a universal wheel, the moving trolley 10 further includes a handle 13, and the handle 13 and the clamping assembly 30 are respectively mounted on two opposite sides of the trolley body 11. The operator can push the traveling carriage 10 to the installation or removal position for replacing the submersible pump 200 by holding the handle 13.

When the hydraulic pump is dismounted, a worker pushes the mobile trolley 10 to enter the position of the hydraulic pump to be dismounted in the transformer cooling system, the motor 25 is started to operate to drive the hydraulic pump 26 to work, the hydraulic pump 26 is used for conveying hydraulic oil of the hydraulic oil storage tank 28 into the lower cavity 215 of each hydraulic cylinder 21 to gradually lift the piston 212 by operating the electric pressurizing button 291 of the bidirectional single-link distributor 29, the lifting process of each piston 212 lifts the supporting plate 22 and then contacts with the hydraulic pump 200, at the moment, the worker releases the electric pressurizing button 291, then the worker uses the anchor ear 33 to fix the side flange 201 of the hydraulic pump 200, if the length of the telescopic component 32 is not proper in the process of fixing the side flange 201, the length of the telescopic component 32 is adjusted to be suitable for the side flange 201, and the hydraulic pump 200 is dismounted safely from the transformer cooling system by dismounting the fixing bolts of the upper side flange 202 and the side flange 201 after the side flange 201 is fixed by the supporting oil pump 200 and the clamping component 30 of the supporting plate 22, and the phenomenon that the worker is not required to hold the hydraulic pump 200 in a narrow working environment and even the oil pump is not inclined in the dismounting process is realized. The process of installing the oil-submerged pump is opposite to the process of dismantling, the oil-submerged pump 200 is transported to the installation position by using the mobile trolley 10, the lifting height of each hydraulic cylinder 21 can be adjusted according to the installation environment to lift the oil-submerged pump 200 to a proper position, the length of the clamping assembly 30 is adjusted to enable the flange surface of the upper flange 202 of the oil-submerged pump 200 to be in a horizontal state, the anchor ear 33 is dismantled from the side flange 201, then each hydraulic cylinder 21 is lifted simultaneously to lift the oil-submerged pump 200 to enable the flange surface of the upper flange 202 to be in butt joint with the flange of the heat dissipation system of the transformer, the flange surface of the upper flange 202 is lifted again after being in a horizontal state, so that the sealing gasket is installed in the butt flange of the heat dissipation system of the upper flange 202 and the transformer completely without pressure loss, oil leakage phenomenon is not easy to occur by the installation of the oil-submerged pump 200, after the installation is completed, a worker operates the electric pressure release button 292 or the manual pressure release button 293 to lower the supporting plate 22, and then the mobile trolley 10 is pushed away from the transformer.

Claims (10)

1. An auxiliary device for extra-high voltage transformer oil-submerged pump replacement, its characterized in that: including travelling car, lift supporting component and clamping assembly all install on travelling car, lift supporting component holds up the oil-submerged pump through going up and so that install or dismantle the oil-submerged pump, and clamping assembly holds up the side flange centre gripping of oil-submerged pump fixedly, and lift supporting component holds up oil-submerged pump and clamping assembly firm oil-submerged pump side flange stabilizes the oil-submerged pump on travelling car so that the in-process of changing the oil-submerged pump can not appear the condition that the oil-submerged pump dropped.

2. The auxiliary device for replacing an extra-high voltage transformer submersible pump according to claim 1, wherein: the lifting support assembly comprises at least one hydraulic cylinder and a supporting plate, the lower side face of the supporting plate is arranged at the top end of each hydraulic cylinder, the bottom end of each hydraulic cylinder is fixed on the movable trolley, lifting of the supporting plate is completed in the telescopic process of the hydraulic cylinder, the supporting plate supports the submersible pump in the lifting process so as to detach the submersible pump from the heat dissipation system of the extra-high voltage transformer, or the supporting plate supports the submersible pump in the lifting process so as to install the submersible pump into the heat dissipation system of the extra-high voltage transformer.

3. The auxiliary device for replacing an extra-high voltage transformer submersible pump according to claim 2, wherein: the lifting support assembly further comprises a box body, a power supply, a motor, a hydraulic pump, a hydraulic electromagnetic valve and a hydraulic oil storage tank, wherein the box body is arranged on the travelling car, the power supply and the hydraulic oil storage tank are arranged in the box body, the motor is arranged on the side wall of the box body, the motor is electrically connected with the power supply through a switch, an output shaft of the motor is connected with a rotating shaft of the hydraulic pump, the hydraulic electromagnetic valve is communicated with the hydraulic pump through a pipeline through a bidirectional single-link distributor, an electric pressing button, an electric pressure release button and a manual pressure release button are arranged on the bidirectional single-link distributor, and the hydraulic electromagnetic valve is communicated with each hydraulic cylinder through pipelines.

4. An auxiliary device for the replacement of an extra-high voltage transformer submersible pump according to claim 3, wherein: the upper side wall of the box body is provided with a pressure gauge, and a pressure sensing unit of the pressure gauge is arranged at an oil outlet of the hydraulic pump and used for detecting the hydraulic pressure output by the hydraulic pump.

5. The auxiliary device for replacing an extra-high voltage transformer submersible pump according to claim 1, wherein: the clamping assembly comprises a supporting seat, a telescopic assembly and a hoop, wherein the supporting seat is arranged on the travelling trolley, the first end of the telescopic assembly is arranged on the supporting seat in a rotating mode, the second end of the telescopic assembly is connected with the hoop in a rotating mode, and the hoop is used for encircling a flange for clamping the side of the oil-submerged pump.

6. The auxiliary device for replacing an extra-high voltage transformer submersible pump according to claim 5, wherein: the telescopic component comprises a first connecting piece, a second connecting piece and a sleeve, wherein the first end of the first connecting piece is installed on a supporting seat in a rotating mode, the second end of the first connecting piece is in threaded connection with the first end of the sleeve, the second end of the sleeve is in threaded connection with the first end of the second connecting rod, threads arranged at the second end of the first connecting piece and threads arranged at the first end of the second connecting rod are reverse threads, threads arranged at the two ends of the sleeve are reverse threads, the second end of the second connecting rod is in rotary connection with the anchor ear, and the distance between the first connecting piece and the second connecting rod is adjusted by the rotary sleeve so as to adjust the length of the telescopic component to adapt to the oil submerged pump at different positions.

7. The auxiliary device for replacing an extra-high voltage transformer submersible pump according to claim 5, wherein: the anchor ear comprises a first arc-shaped part and a second arc-shaped part, and the first arc-shaped part and the second arc-shaped part are connected by adopting a connecting piece.

8. The auxiliary device for replacing an extra-high voltage transformer submersible pump according to claim 7, wherein: the two ends of the first arc-shaped part are provided with a first butt joint part and a second butt joint part, and the first butt joint part and the second butt joint part respectively bend and extend towards the outer side of the first arc-shaped part; the two ends of the second arc-shaped part are provided with a third butt joint part and a fourth butt joint part, and the third butt joint part and the fourth butt joint part respectively bend and extend towards the outer side of the second arc-shaped part; the first butt joint portion and the third butt joint portion are connected through a first bolt, and the second butt joint portion and the fourth butt joint portion are connected through a second bolt.

9. The auxiliary device for replacing an extra-high voltage transformer submersible pump according to claim 1, wherein: the movable trolley comprises a trolley body and at least three movable wheels, each movable wheel is arranged on the lower side surface of the trolley body, the lifting support component and the clamping component are arranged on the upper side surface of the trolley body, and each movable wheel is provided with a brake.

10. The auxiliary device for replacing an extra-high voltage transformer submersible pump according to claim 9, wherein: the movable wheel is a universal wheel, the movable trolley further comprises a handle, and the handle and the clamping assembly are respectively arranged on two opposite sides of the trolley body.