WO2020155572A1

WO2020155572A1 - Rotation tool for transformer oil tank

Info

Publication number: WO2020155572A1
Application number: PCT/CN2019/096001
Authority: WO
Inventors: 邓钦文
Original assignee: 南通科钛机器人系统有限公司
Priority date: 2019-01-30
Filing date: 2019-07-15
Publication date: 2020-08-06
Also published as: CN109702419A; CN109702419B

Abstract

A rotation tool for a transformer oil tank comprises a spindle box (1), a push-pull hydraulic cylinder (2) connected to a rear end of the spindle box (1), and a rotation mechanism connected to a front end of the spindle box (1). The rotation mechanism comprises a transmission assembly connected to the spindle box (1), a rotatable supporting assembly connected to the transmission assembly, and an extendable assembly and two rotatable supporting frames connected to the rotatable supporting assembly. The two rotatable supporting frames are respectively provided at two sides of the extendable assembly and opposite to each other in a left-right direction. Each rotatable supporting frame is provided with an angle adjustment assembly.

Description

Tool for turning over transformer oil tank

Technical field

The invention relates to the technical field of tooling, and in particular to a tool for turning over a transformer oil tank.

Background technique

At present, the transformer is subjected to various mechanical forces during lifting and transportation. The quality of the welding seam of the fuel tank is very important, not only affecting the mechanical strength of the fuel tank, but also affecting the major problem of transformer oil leakage. The transformer oil tank is mainly composed of the upper oil tank and the lower oil tank. The assembly process of the oil tank: usually the welding of the lower oil tank is carried out first, and then the upper oil tank is assembled. When all the parts outside the fuel tank are spot welded, disassemble the upper and lower fuel tanks, put the upper and lower fuel tanks down again, adjust the favorable position of the weld, so as to weld those welds that can be flat welded, and weld one side , Turn over and weld the other side. How to create favorable conditions for welding, realize the big turn of the fuel tank, and use flat fillet welding to weld the inner and outer welds. This requires a special tooling to repeatedly change the angle of the fuel tank so that the welds on both sides of the tank cover are placed flat State, welding the side cover and the inner and outer welds of the end wall. In a word, all fillet welds are converted into flat fillet welds to help ensure the quality of welds and improve production efficiency.

Summary of the invention

Aiming at the problems in the related art, the purpose of the present invention is to provide a transformer oil tank turning tool to overcome the above-mentioned technical problems existing in the related art.

The technical scheme of the present invention is realized as follows:

A tool for turning over a transformer oil tank, comprising a headstock, a push-pull hydraulic cylinder connected to the back end of the headstock, and a turning mechanism connected to the front end of the headstock. The turning mechanism includes a transmission assembly connected to the headstock and a transmission assembly connected to the transmission assembly. A rotating support assembly, a telescopic assembly connected to the rotating support assembly, and two sets of inverting support frames. The two sets of inverting support frames are respectively arranged on both sides of the telescopic assembly. The two sets of inverting support frames are arranged opposite to each other. The turning support frame is provided with an angle adjustment assembly; the spindle box is provided with a motor reducer for driving the transmission assembly, and a piston rod for connecting the push-pull hydraulic cylinder and the telescopic assembly; the transmission assembly includes a driving wheel and a slave The driving wheel, the output shaft of the motor reducer is connected with the driving wheel, and the driving wheel meshes with the driven wheel.

Further, the rotation support assembly includes a rotation support plate with a central through hole, and the rear end of the rotation support plate is connected to the driven wheel through four first pin shafts. Evenly distributed; the rotating support plate is provided with two horizontally arranged limit slots, the two limit slots are arranged opposite to each other; each of the limit slots is provided with a first limit plate and a second limit A positioning plate, the first limiting plate and the second limiting plate are spaced up and down, and both the first limiting plate and the second limiting plate are fixedly connected to the rotating support plate by bolts.

Further, the telescopic assembly includes a telescopic shaft that passes through the driven wheel and the central through hole of the rotating support plate in sequence, and a telescopic connecting plate connected with the telescopic shaft, and the telescopic connecting plate includes an upper telescopic plate and a lower telescopic plate that are spaced up and down. Plate, and several telescopic connecting rods connected to the upper and lower telescopic plates, one end of each of the telescopic connecting rods is connected to the upper and lower telescopic plates through a second pin, each of the telescopic connecting rods The other end is connected with the flip support frame on the left and right sides through the third pin.

Further, each group of the turning support frame includes a first positioning plate, and a second positioning plate connected to the rear end of the first positioning plate, and a plurality of sets of ear plates are provided on the upper surface and the lower surface of the first positioning plate, Several groups of ear plates are arranged at even intervals, and each group of the ear plates includes a first ear plate and a second ear plate. The first ear plate and the second ear plate are respectively provided with a first installation for installing a fourth pin. A fifth pin and a sixth pin are installed on the second positioning plate at intervals, and the upper and lower ends of the fifth pin and the sixth pin are both sleeved with the limit wheel.

Further, the angle adjustment assembly includes a first angle adjustment rod and a second angle adjustment rod connected to a first positioning plate, the first angle adjustment rod and the second angle adjustment rod are arranged vertically and spaced apart in parallel; A number of first connecting blocks are provided on the angle adjusting rod, and each of the first connecting blocks is connected to the first ear plate and the second ear plate on the first positioning plate through a fourth pin. The first angle The front end of the adjusting rod is provided with a first angle adjusting wheel; the second angle adjusting rod is provided with a number of second connecting blocks, and each of the second connecting blocks is connected to the first positioning plate through a fourth pin. The first ear plate and the second ear plate are connected, and the front end of the second angle adjustment rod is provided with a second angle adjustment wheel, and the second angle adjustment wheel meshes with the first angle adjustment wheel.

Further, the outer side of the first angle adjusting rod is provided with a first sliding groove, and a plurality of first positioning components for supporting and positioning the transformer oil tank are provided in the first sliding groove, and the plurality of first positioning components are evenly spaced apart The outer side of the second angle adjustment rod is provided with a second sliding groove, and the second sliding groove is provided with a plurality of second positioning components for supporting and positioning the welded parts of the corrugated box, and the plurality of second positioning components are evenly spaced Each of the first positioning components and each of the second positioning components have the same structure, and the positions of each of the first positioning components and each of the second positioning components are correspondingly arranged up and down.

Further, each of the first positioning components includes a first limiting slider that is slidably connected to a first sliding groove, and a first short positioning plate and a first long positioning plate are provided on the first limiting slider at intervals. The first short positioning plate and the first long positioning plate are fixedly connected by a connecting plate, and the outer end between the first short positioning plate and the first long positioning plate is provided with a first positioning roller, so The first positioning roller is respectively connected with the first short positioning plate and the first long positioning plate through the seventh pin.

Further, the length of the first long positioning plate of each of the first positioning components increases sequentially from front to back.

Further, both the first ear plate and the second ear plate are provided with a lock nut for locking the fourth pin.

Further, the first angle adjusting wheel and the second angle adjusting wheel are both fan-shaped.

When in use, insert the transformer oil tank into the tooling from the front end of the turning mechanism, adjust it to the corresponding angle through the angle adjustment assembly, push and pull the hydraulic cylinder forward, so that the turning mechanism is extended, and the turning mechanism is extended by the first positioning assembly and the second positioning assembly. The inside of the transformer oil tank realizes the support and positioning of the oil tank, and then the headstock rotation cooperates with the welding robot to realize the automatic welding of the oil tank. At the same time, the tooling has a high degree of automation, which effectively improves the welding efficiency of the fuel tank, guarantees the welding quality, and is applicable to fuel tanks of different sizes.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the present invention and the transformer tank.

Figure 2 is a front view of the present invention.

Figure 3 is a top view of the present invention.

Figure 4 is a side view of the present invention.

Figure 5 is a schematic view of the structure of the rotating support assembly of the present invention.

Fig. 6 is a schematic diagram of the connection between the first positioning plate and the second positioning plate in the present invention.

Fig. 7 is a front view of Fig. 6.

Fig. 8 is a schematic top view of the first angle adjusting rod of the present invention.

Fig. 9 is a front view of the first angle adjustment lever in the present invention.

Fig. 10 is a schematic diagram of the structure of the first positioning assembly of the present invention.

Fig. 11 is a front view of Fig. 10.

Figure 12 is a schematic view of the present invention when it is retracted.

In the picture: 1 main shaft box, 2 push-pull hydraulic cylinder, 3 motor reducer, 4 piston rod, 5 driving wheel, 6 driven wheel, 7 rotating support plate, 8 first pin, 9 limit slot, 10 first limit Plate, 11 second limit plate, 12 telescopic shaft, 13 upper telescopic plate, 14 lower telescopic plate, 15 telescopic connecting rod, 16 second pin shaft, 17 third pin shaft, 18 first positioning plate, 19 second positioning Plate, 20 first ear plate, 21 second ear plate, 22 fourth pin, 23 first mounting hole, 24 second mounting hole, 25 fifth pin, 26 sixth pin, 27 limit wheel, 28 The first angle adjusting rod, 29 the second angle adjusting rod, 30 the first connecting block, 31 the first angle adjusting wheel, the 32 second connecting block, the 33 the second angle adjusting wheel, the 34 the first sliding groove, the 35 the second sliding groove , 36 first limit slider, 37 first short positioning plate, 38 first long positioning plate, 39 connecting plate, 40 first positioning roller, 41 seventh pin, 42 locking nut, 43 transformer tank.

detailed description

As shown in Figure 1-12, a transformer oil tank turning tool includes a headstock 1, a push-pull hydraulic cylinder 2 connected to the back end of the headstock 1, and a turning mechanism connected to the front end of the headstock 1. The turning mechanism includes a headstock 1 The connected transmission component, the rotating support component connected with the transmission component, the telescopic component connected with the rotating support component, and two sets of flip support frames. The two sets of flip support frames are respectively arranged on both sides of the telescopic component, and the two sets of flip support frames The left and right sides are arranged relative to each other, and each set of turning support frame is provided with an angle adjustment component; the headstock 1 is provided with a motor reducer 3 for driving the transmission component, and a piston rod 4 for connecting the push-pull hydraulic cylinder 2 and the telescopic component; the transmission component It includes a driving wheel 5 and a driven wheel 6, the output shaft of the motor reducer 3 is connected to the driving wheel 5, and the driving wheel 5 is meshed with the driven wheel 6.

In this embodiment, driven by the motor reducer 3, the driving wheel 5 is driven to rotate, thereby driving the driven wheel 6 to rotate, and finally driving the rotating support assembly connected to it to perform a 360-degree forward and reverse rotation; the push-pull hydraulic cylinder 2 moves through The piston rod 4 drives the telescopic assembly to perform forward and backward telescopic movements.

Specifically, the rotating support assembly includes a rotating support plate 7 with a central through hole. The rear end of the rotating support plate 7 is connected to the driven wheel 6 through four first pin shafts 8, and the four first pin shafts 8 are uniform around the circumference. Distribution; two limit slots 9 are arranged horizontally on the rotating support plate 7, and the two limit slots 9 are arranged opposite to each other; each limit slot 9 is provided with a first limit plate 10 and a second limit plate 11. The first limiting plate 10 and the second limiting plate 11 are spaced up and down, and both the first limiting plate 10 and the second limiting plate 11 are fixedly connected to the rotating support plate 7 by bolts.

In this embodiment, the rotating support plate 7 is connected to the driven wheel 6 through four first pin shafts 8, so that when the driven wheel 6 rotates, the rotating support plate 7 is driven to rotate accordingly; two limit slots 9 The function is used to make the two sets of flip support frames limit sliding in the limit slot 9.

Specifically, the telescopic assembly includes a telescopic shaft 12 passing through the driven wheel 6 and the central through hole of the rotating support plate 7 in turn, and a telescopic connecting plate connected to the telescopic shaft 12. The telescopic connecting plate includes an upper telescopic plate 13 and a lower telescopic plate 13 and The telescopic plate 14 and several telescopic connecting rods 15 connected to the upper telescopic plate 13 and the lower telescopic plate 14, one end of each telescopic connecting rod 15 is connected to the upper telescopic plate 13 and the lower telescopic plate 14 through the second pin 16, The other end of each telescopic connecting rod 15 is connected to the turning support frames on the left and right sides through a third pin 17.

In this embodiment, the telescopic shaft 12 is used to connect the piston rod 4 and the telescopic connecting plate. When the hydraulic cylinder 2 is pushed and pulled, the upper telescopic plate 13 and the lower telescopic plate 14 are driven forward and backward through the piston rod 4 and the telescopic shaft 12 in turn. , So that a number of telescopic connecting rods 15 can telescopically move outward or inward. Specifically, each group of inverting support frames includes a first positioning plate 18 and a second positioning plate 19 connected to the rear end of the first positioning plate 18. The upper and lower surfaces of the first positioning plate 18 are provided with several sets of ear plates, Several groups of ear plates are arranged at even intervals. Each group of ear plates includes a first ear plate 20 and a second ear plate 21. The first ear plate 20 and the second ear plate 21 are respectively provided with a first ear plate for mounting the fourth pin 22 The mounting hole 23 and the second mounting hole 24; the fifth pin 25 and the sixth pin 26 are installed at intervals on the second positioning plate 19, and the upper and lower ends of the fifth pin 25 and the sixth pin 26 are sleeved Limited wheel 27.

In this embodiment, the first ear plate 20 and the second ear plate 21 cooperate with the fourth pin shaft 22 for connecting with the angle adjustment assembly; the second positioning plate 19 penetrates the limiting groove 9 on the rotating support plate 7, wherein, The fifth pin shaft 25 and the sixth pin shaft 26 are respectively placed on the front and rear sides of the limiting groove 9, and the limiting wheels 27 sleeved on the fifth pin shaft 25 and the sixth pin shaft 26 are also distributed in the limiting groove The front and back sides of 9, so that when the second positioning plate 19 slides left and right in the limit slot 9, the fifth pin 25, the sixth pin 26 and the limit wheel 27 are used to make the sliding performance more flexible, stable and reliable. .

Specifically, the angle adjustment assembly includes a first angle adjustment rod 28 and a second angle adjustment rod 29 connected to the first positioning plate 18, the first angle adjustment rod 28 and the second angle adjustment rod 29 are arranged up and down parallel and spaced apart; the first angle A plurality of first connecting blocks 30 are provided on the adjusting rod 28, and each first connecting block 30 is respectively connected to the first ear plate 20 and the second ear plate 21 on the first positioning plate 18 through the fourth pin 22. The front end of an angle adjusting rod 28 is provided with a first angle adjusting wheel 31; the second angle adjusting rod 29 is provided with a plurality of second connecting blocks 32, and each second connecting block 32 is connected to the The first ear plate 20 and the second ear plate 21 on a positioning plate 18 are connected, the front end of the second angle adjustment rod 29 is provided with a second angle adjustment wheel 33, the second angle adjustment wheel 33 and the first angle adjustment wheel 31 Meshing. Wherein, the first angle adjusting wheel 31 and the second angle adjusting wheel 33 are both fan-shaped.

In this embodiment, the first connecting block 30 cooperates with the fourth pin 22 to connect with the first ear plate 20 and the second ear plate 21, so that the first angle adjusting rod 28 is connected with the first positioning plate 18; The connecting block 32 cooperates with the fourth pin shaft 22 to connect to the first ear plate 20 and the second ear plate 21, so that the second angle adjustment rod 29 is connected to the first positioning plate 18; because the second angle adjustment wheel 33 is connected to the first angle The adjusting wheel 31 is engaged, so when the first angle adjusting rod 28 rotates with the first positioning plate 18 as a fulcrum, the second angle adjusting wheel 33 also rotates accordingly. In practical applications, the first angle adjusting wheel 31 and the second angle adjusting wheel 33 may be fixedly connected to the first angle adjusting rod 28 and the second angle adjusting rod 29 by bolts.

Specifically, the outer side of the first angle adjusting rod 28 is provided with a first sliding groove 34, and a plurality of first positioning components for supporting and positioning the transformer tank 43 are provided in the first sliding groove 34, and the plurality of first positioning components are evenly spaced. The outer side of the second angle adjustment rod 29 is provided with a second sliding groove 35, and the second sliding groove 35 is provided with several second positioning components for supporting and positioning the welded parts of the corrugated box, and several second positioning components are evenly spaced; Each first positioning component and each second positioning component have the same structure, and the positions of each first positioning component and each second positioning component are correspondingly arranged up and down.

In this embodiment, the first sliding groove 34 is used for the matching installation of a plurality of first positioning components and the first angle adjusting rod 28, and the second sliding groove 35 is used for a plurality of second positioning components and the second angle adjusting rod 29. Matching installation.

Specifically, each first positioning assembly includes a first limiting slider 36 slidably connected to the first sliding groove 34. The first limiting slider 36 is provided with a first short positioning plate 37 and a first long positioning at intervals between the front and rear. The first short positioning plate 37 and the first long positioning plate 38 are fixedly connected by a connecting plate 39, and the outer end between the first short positioning plate 37 and the first long positioning plate 38 is provided with a first The positioning roller 40, the first positioning roller 40 are respectively connected to the first short positioning plate 37 and the first long positioning plate 38 through the seventh pin 41. Wherein, the length of the first long positioning plate 38 of each first positioning assembly increases sequentially from front to back.

In this embodiment, the first limit sliding block 36 is matched and installed with the first sliding groove 3. When installed in a proper position, the first limit sliding block 36 is fixed to the first sliding groove 3 by bolts. Since the first angle adjustment rod 28 and the second angle adjustment rod 29 are installed on the two sets of left and right flip support frames, the four sets of first positioning rollers 40 and the inner wall of the transformer tank are supported and positioned at four right angles. At the same time, the first long positioning plate 38 is used to limit the outer wall of the front end of the transformer tank, so that the first positioning component supports and locates the entire transformer tank reliably and stably; the length of the first long positioning plate 38 is determined by The design is gradually increasing from front to back. Since the transformer tank is inserted into the tooling from the front end of the turning mechanism, the first positioning component at the front end is in the transformer tank until the first long positioning plate 38 is matched and limited on the outer wall of the front end of the transformer tank Therefore, the support and positioning of the entire transformer tank is realized, that is, the tooling can be applied to tanks of different sizes. In addition, in actual application, the lengths of the first long positioning plate and the first short positioning plate of the first positioning component at the front end can be designed to be two different lengths, so that the first positioning component at the front end is directly connected to the inner wall of the transformer tank. The four corners are in direct contact for supporting positioning.

Specifically, both the first ear plate 20 and the second ear plate 21 are provided with a lock nut 42 for locking the fourth pin shaft 22.

In this embodiment, the first long positioning plate 38 of the first positioning assembly is manually rotated to make the first angle adjustment rod 28 rotate, and then the second angle adjustment wheel 33 at the front end engages with the first angle adjustment wheel 31. , So that the second angle adjustment rod 29 also rotates to an appropriate angle, so that the fourth pin shaft 22 is locked by the lock nut 42, so that the angle of the first angle adjustment rod 28 and the second angle adjustment rod 29 fixed.

When the present invention is used, after the transformer oil tank is inserted into the tooling from the front end of the turning mechanism, the angle adjustment component is adjusted to the corresponding angle, and the hydraulic cylinder is pushed forward to extend the turning mechanism and pass through the first positioning component and the second positioning component. The positioning component realizes the support and positioning of the oil tank from the inside of the transformer oil tank, and then the headstock rotation cooperates with the welding robot to realize the automatic welding of the oil tank.

In addition, it should be noted that the push-pull hydraulic cylinders, headstocks, etc. involved in this application are not essentially different from the prior art, and are not the technical content of this application's key protection. Therefore, their structure and working principles are not here anymore. Elaborate.

Claims

A tool for turning over a transformer oil tank, comprising a headstock (1), a push-pull hydraulic cylinder connected to the back end of the headstock (1), and a turning mechanism connected to the front end of the headstock (1), characterized in that the turning mechanism includes The transmission assembly connected with the headstock (1), the rotation support assembly connected with the transmission assembly, the telescopic assembly connected with the rotation support assembly and two sets of inverting support frames, the two sets of inversion support frames are respectively arranged on two of the telescopic assembly On the other hand, two sets of the turning support frames are arranged opposite to each other, and each set of the turning support frames is provided with an angle adjustment component; the spindle box (1) is provided with a motor reducer (3) for driving the transmission assembly, and The piston rod (4) for connecting the push-pull hydraulic cylinder (2) and the telescopic assembly; the transmission assembly includes a driving wheel (5) and a driven wheel (6), the output shaft of the motor reducer (3) and the driving wheel (5) Connect, the driving wheel (5) meshes with the driven wheel (6).
The tool for turning over a transformer oil tank according to claim 1, wherein the rotating support assembly comprises a rotating support plate (7) with a central through hole, and the rear end of the rotating support plate (7) passes through four The first pin shaft (8) is connected with the driven wheel (6), and the four first pin shafts (8) are evenly distributed around the circumference; the rotating support plate (7) is provided with two horizontally arranged limits Position slots (9), two of the limit slots (9) are arranged opposite to each other; each limit slot (9) is provided with a first limit plate (10) and a second limit plate (11) , The first limit plate (10) and the second limit plate (11) are spaced up and down, and the first limit plate (10) and the second limit plate (11) are both connected to the rotating support plate through bolts (7) Fixed connection.
The tool for turning over a transformer oil tank according to claim 2, wherein the telescopic assembly includes a telescopic shaft (12) passing through the driven wheel (6) and the central through hole of the rotating support plate (7) in turn, and A telescopic connecting plate connected to the telescopic shaft (12), the telescopic connecting plate comprising an upper telescopic plate (13) and a lower telescopic plate (14) arranged up and down spaced apart, and an upper telescopic plate (13) and a lower telescopic plate (14) Several telescopic connecting rods (15) are connected, one end of each telescopic connecting rod (15) is connected to the upper telescopic plate (13) and the lower telescopic plate (14) through a second pin (16), each The other end of the telescopic connecting rod (15) is connected with the turning support frame on the left and right sides through a third pin shaft (17).
The transformer oil tank turning tool according to claim 3, wherein each set of the turning support frame includes a first positioning plate (18), and a second positioning plate connected to the rear end of the first positioning plate (18) (19), the upper surface and the lower surface of the first positioning plate (18) are provided with several groups of ear plates, and the several groups of ear plates are evenly spaced, and each group of the ear plates includes a first ear plate (20) and The second ear plate (21), the first ear plate (20) and the second ear plate (21) are respectively provided with a first mounting hole (23) and a second mounting hole (23) for installing the fourth pin (22) Hole (24); the second positioning plate (19) is provided with a fifth pin (25) and a sixth pin (26) at intervals, the fifth pin (25) and the sixth pin (26) The upper and lower ends of the) are sleeved with the limit wheel (27).
The transformer tank turning tool according to claim 4, wherein the angle adjustment assembly includes a first angle adjustment rod (28) and a second angle adjustment rod (29) connected to the first positioning plate (18). ), the first angle adjustment rod (28) and the second angle adjustment rod (29) are arranged up and down in parallel and spaced apart; the first angle adjustment rod (28) is provided with a number of first connecting blocks (30), each The first connecting blocks (30) are respectively connected to the first ear plate (20) and the second ear plate (21) on the first positioning plate (18) through the fourth pin (22), and the first The front end of the angle adjusting rod (28) is provided with a first angle adjusting wheel (31); the second angle adjusting rod (29) is provided with a number of second connecting blocks (32), each of the second connecting blocks The block (32) is respectively connected to the first ear plate (20) and the second ear plate (21) on the first positioning plate (18) through the fourth pin (22), and the second angle adjusting rod (29) A second angle adjusting wheel (33) is provided at the front end of the slab, and the second angle adjusting wheel (33) meshes with the first angle adjusting wheel (31).
The tool for turning over a transformer oil tank according to claim 5, wherein a first sliding groove (34) is provided on the outer side of the first angle adjusting rod (28), and a first sliding groove (34) is provided in the first sliding groove (34). A plurality of first positioning components are provided for supporting and positioning the transformer tank (43), and the plurality of first positioning components are evenly spaced; the second angle adjusting rod (29) is provided with a second sliding groove (35) on the outside, The second sliding groove (35) is provided with a plurality of second positioning components for supporting and positioning the welded parts of the corrugated box, and the plurality of second positioning components are evenly spaced; each of the first positioning components and each of the The second positioning components have the same structure, and the positions of each of the first positioning components and each of the second positioning components are correspondingly arranged up and down.
The transformer oil tank turning tool according to claim 6, wherein each of the first positioning components includes a first limit sliding block (36) slidably connected with a first sliding groove (34), and The first limit sliding block (36) is provided with a first short positioning plate (37) and a first long positioning plate (38) at intervals between the front and rear. The first short positioning plate (37) and the first long positioning plate (38) ) Are fixedly connected by a connecting plate (39), and a first positioning roller (40) is provided at the outer end between the first short positioning plate (37) and the first long positioning plate (38). A positioning roller (40) is respectively connected with the first short positioning plate (37) and the first long positioning plate (38) through the seventh pin (41).
The transformer oil tank turning tool according to claim 7, wherein the length of the first long positioning plate (38) of each of the first positioning components increases sequentially from front to back.
The tool for turning over a transformer oil tank according to claim 5, wherein the first lug plate (20) and the second lug plate (21) are both provided with a device for locking the fourth pin (22) Tighten the nut (42).
The transformer oil tank turning tool according to claim 5, wherein the first angle adjusting wheel (31) and the second angle adjusting wheel (33) are both fan-shaped.