CN112885565B

CN112885565B - Transformer convenient to machine and assemble

Info

Publication number: CN112885565B
Application number: CN202110060739.1A
Authority: CN
Inventors: 赵海清; 周长民; 潘喜庭; 刘文龙
Original assignee: Jiamusi Power Supply Co Of State Grid Heilongjiang Electric Power Co ltd; State Grid Corp of China SGCC
Current assignee: Jiamusi Power Supply Co Of State Grid Heilongjiang Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2022-01-25
Anticipated expiration: 2041-01-18
Also published as: CN112885565A

Abstract

The invention discloses a transformer convenient to process and assemble, which relates to the technical field of transformer equipment, and particularly relates to a transformer convenient to process and assemble, which comprises a transformer box body, a box edge and a box cover, wherein the upper end of the transformer box body is welded with the box edge, the upper end of the box edge is symmetrically provided with three groups of first clamping grooves in a front-back manner, the upper end of the box edge is symmetrically provided with three groups of second clamping grooves in a left-right manner, and the upper end of the box edge is provided with the box cover, and the transformer has the beneficial effects that: install internal devices such as winding on the bottom plate earlier during the assembly, slowly put into the transformer box with bottom plate and roof along the deflector in, make the accurate transformer box of putting into of bottom plate and roof in through the deflector, promote the case lid along the case edge from the right side left, it is fixed with first draw-in groove joint to make first locating piece, make second locating piece and second draw-in groove joint, again with the set bolt pole revolve the incasement along, fix the second locating piece through the set bolt pole, thereby it is fixed to make between case lid and the case edge, reasonable in design easy operation, the efficiency of assembly has been improved.

Description

Transformer convenient to machine and assemble

Technical Field

The invention relates to the technical field of transformer equipment, in particular to a transformer convenient to machine and assemble.

Background

A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The transformer is composed of two or more coil windings wound on the same iron core, and the windings are connected through an alternating magnetic field and work according to the electromagnetic induction principle. The installation position of the transformer is convenient to operate, overhaul and transport, and a safe and reliable place is selected. In actual installation, the transformer is large in size and heavy in the whole transformer, so that great troubles are brought to workers in production and assembly. The top cover of the existing transformer is fixedly connected with the box body of the transformer through a plurality of groups of bolts, a long time is spent on workers in the process of screwing the bolts, so that the time of the workers is wasted, the working efficiency is delayed, the bolts are rusted after being used outdoors for a long time, the bolts are difficult to disassemble again, and great inconvenience is brought to the maintenance of the transformer. When the existing transformer is assembled, the internal winding is troublesome to install and difficult to install in place at one time, and the assembly can be completed only by adjusting for many times by workers, so that the working efficiency is reduced.

To this end, we propose a transformer that is easy to manufacture and assemble to solve the above drawbacks.

Disclosure of Invention

The invention aims to provide a transformer convenient to machine and assemble so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a transformer convenient to machine and assemble comprises a transformer box body, a box edge and a box cover, wherein the upper end of the transformer box body is welded with the box edge, three groups of first clamping grooves are symmetrically formed in the front and back of the upper end of the box edge, three groups of second clamping grooves are symmetrically formed in the left and right of the upper end of the box edge, the upper end of the box edge is provided with the box cover, three groups of square grooves are symmetrically formed in the front and back of the bottom end of the box cover, three groups of grooves are symmetrically formed in the front and back of the bottom end of the box cover, first positioning blocks are inserted into the six square grooves which are symmetrically distributed in the front and back, fixing bolts are connected with the first positioning blocks in a threaded mode and penetrate through the box cover, the first positioning blocks are clamped with the first clamping grooves, second positioning blocks are inserted into the six grooves which are symmetrically distributed in the left and right, and the fixing bolts penetrate through the box cover and are connected with the second positioning blocks in a threaded mode, the second positioning block is clamped with the second clamping groove, four positioning bolt rods are symmetrically in threaded connection with the front side and the rear side of the box edge, the four positioning bolt rods are symmetrically distributed in the front and the rear direction and penetrate through the second clamping groove, the positioning bolt rods are in contact with the second positioning block, guide plates are welded on the four inner side faces of the transformer box body, a bottom plate is arranged at the bottom in the transformer box body, first limiting grooves are formed in the four side faces of the bottom plate, four through holes are symmetrically formed in the upper end of the bottom plate in the left-right direction, the bottom plate is movably connected with the transformer box body, the first limiting grooves are in sliding connection with the guide plates, a top plate is arranged above the bottom plate, second limiting grooves are formed in the four side faces of the top plate, the second limiting grooves are in sliding connection with the guide plates, three threading holes are formed in the upper end of the top plate, and four positioning rods are symmetrically welded at the bottom end of the inner side of the transformer box body in the left-right direction, the locating rod is inserted in the through hole.

Preferably, the box edge is aligned with the outer side edge of the box cover, and a sealing ring is arranged between the box edge and the box cover.

Preferably, the top welding of case lid has the annular circle, fixing bolt and annular circle joint, be provided with sealed the pad between fixing bolt and the case lid.

Preferably, the inner wall of the groove is provided with movable blocks in bilateral symmetry, a U-shaped elastic sheet is inserted between the movable blocks and the groove, and the second positioning block is in contact with the movable blocks.

Preferably, a supporting plate is arranged between the bottom plate and the top plate, the supporting plate is welded with the upper end of the bottom plate, and the upper end of the supporting plate is connected with the top plate through a bolt.

Preferably, a pair of curved plates is symmetrically inserted in the left and right of the upper end of the top plate, an S-shaped elastic sheet is inserted between the curved plates and the top plate, anti-skid grains are arranged at the upper ends of the curved plates, and the curved plates are in contact with the bottom end of the box cover.

Preferably, a clamping block is connected in the positioning rod in a sliding mode, a spring is inserted between the clamping block and the positioning rod, and the clamping block is clamped with the bottom plate.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. by utilizing the arranged bottom plate and the top plate, internal devices such as a winding and the like are firstly installed on the bottom plate during assembly, then the top plate is fixed with the supporting plate through bolts to fix the internal devices such as the winding and the like, the bottom plate and the top plate are slowly placed into the transformer box body along the guide plate, the bottom plate and the top plate are accurately placed into the transformer box body through the guide plate, when the bottom plate slides to the bottom of the transformer box body, the positioning rod penetrates through the through hole of the bottom plate, and meanwhile, a clamping block in the positioning rod is clamped with the bottom plate, so that the bottom plate is fixed, the design is reasonable, the operation is simple, and the assembly efficiency is improved;

2. by utilizing the arranged curved plate, after the top plate is placed in the transformer box body, the box cover is pushed along the box from right to left to be sealed and fixed, meanwhile, the box cover is in contact with the curved plate and extrudes the curved plate, so that the curved plate slides towards the top plate, and the top plate is fixed, thereby fixing internal devices such as windings between the top plate and the bottom plate and preventing the internal devices such as the windings from shaking;

3. when the transformer box body is sealed, the box cover is pushed along the box edge from right to left, meanwhile, the first positioning block moves leftwards along the first clamping groove, so that the first positioning block is clamped and fixed with the first clamping groove, the second positioning block moves leftwards along the second clamping groove, so that the second positioning block is clamped and connected with the second clamping groove, the positioning bolt rod is screwed into the box edge, the positioning bolt rod penetrates through the second clamping groove and then is spliced with the box edge, the second positioning block is fixed through the positioning bolt rod, the second positioning block is prevented from sliding rightwards, so that the box cover is fixed, and the box cover and the box edge are fixed;

4. utilize the sealing washer and the sealed pad that set up, it is fixed between along through case lid and case, produce deformation with the sealing washer extrusion, it is sealed between messenger's case lid and the case edge, thereby seal the transformer, prevent infiltration transformer such as rainwater in, when the slow screw in case lid of fixing bolt, fixing bolt and annular ring joint form first sealed together, the sealed pad that sets up between rethread fixing bolt and the case lid carries out the second and seals, prevent that rainwater from following square groove of bolt entering and recess.

Drawings

FIG. 1 is a schematic diagram of a transformer according to the present invention;

FIG. 2 is an enlarged schematic view of body 1 at A;

FIG. 3 is a schematic cross-sectional view of a transformer according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is an enlarged view of the structure at C in FIG. 3;

FIG. 6 is a schematic view of the present invention case;

fig. 7 is a schematic view of the structure of the bottom plate and the top plate of the present invention.

In the figure: 1. a transformer tank body; 11. a seal ring; 12. a guide plate; 2. a box edge; 21. a first card slot; 22. a second card slot; 3. a first positioning block; 4. fixing the bolt; 41. an annular ring; 42. a gasket; 5. a box cover; 51. a square groove; 52. a groove; 53. a movable block; 6. a second positioning block; 61. a set bolt shank; 7. a base plate; 71. a first limit groove; 72. a through hole; 73. a support plate; 8. a top plate; 81. a second limit groove; 82. a curved plate; 83. threading holes; 9. positioning a rod; 91. a clamping block; 92. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a transformer of convenient processing assembly, including

transformer box

1, 2 and case lid 5 are followed to the case, the upper end welding of transformer box 1 has case edge 2, three first draw-in grooves 21 of group have been seted up to the upper end longitudinal symmetry of case edge 2, three second draw-in grooves 22 of group have been seted up to the upper end bilateral symmetry of case edge 2, the case is provided with case lid 5 along 2 upper ends, the case aligns the setting along the outside limit of 2 and case lid 5, be provided with sealing washer 11 between 2 and the case lid 5 along the case, it is fixed between 2 through case lid 5 and case edge, produce deformation with sealing washer 11 extrusion, it is sealed between 2 to make case lid 5 and case edge, thereby seal the transformer, prevent in the infiltration transformer such as rainwater.

Three groups of square grooves 51 have been seted up to the bottom longitudinal symmetry of case lid 5, three groups of recesses 52 have been seted up to the bottom bilateral symmetry of case lid 5, first locating piece 3 has all been pegged graft in six square grooves 51 of front and back symmetric distribution, threaded connection has fixing bolt 4 on the case lid 5, the top welding of case lid 5 has annular ring 41, fixing bolt 4 and annular ring 41 joint, be provided with sealed pad 42 between fixing bolt 4 and the case lid 5, when fixing bolt 4 slowly screws in the case lid 5, fixing bolt 4 forms first sealed with annular ring 41 joint, the sealed pad 42 that sets up between rethread fixing bolt 4 and the case lid 5, it is sealed to carry out the second, prevent rainwater etc. from getting into in square groove 51 and the recess 52 along the bolt.

Fixing bolt 4 runs through

case lid

5 and 3 threaded connection of first locating piece, first locating piece 3 and first draw-in groove 21 joint, it has second locating piece 6 all to peg graft in six recesses 52 of bilateral symmetry distribution, fixing bolt 4 runs through

case lid

5 and 6 threaded connection of second locating piece, second locating piece 6 and second draw-in groove 22 joint, the inner wall bilateral symmetry of recess 52 is provided with movable block 53, it has the U-shaped shell fragment to peg graft between movable block 53 and the recess 52, second locating piece 6 and movable block 53 contact, it is fixed to utilize first locating piece 3 and first draw-in groove 21 joint, second locating piece 6 and second draw-in groove 22 joint are fixed, thereby make case lid 5 and case along 2 between fixed.

The box has four positioning bolt rods 61 along the front and back side symmetrical threaded connection of 2, and four positioning bolt rods 61 that the front and back symmetrical distributed run through the setting of second draw-in groove 22, and positioning bolt rods 61 and the contact of second locating piece 6, fix second locating piece 6 through positioning bolt rods 61 to fix case lid 5, make case lid 5 and case edge fixed between 2, thereby seal the transformer fixedly.

Four inner side surfaces of the transformer box body 1 are welded with guide plates 12, a bottom plate 7 is arranged at the bottom in the transformer box body 1, first limit grooves 71 are formed in four side surfaces of the bottom plate 7, four through holes 72 are formed in the upper end of the bottom plate 7 in a bilateral symmetry mode, the bottom plate 7 is movably connected with the transformer box body 1, the first limit grooves 71 are connected with the guide plates 12 in a sliding mode, a top plate 8 is arranged above the bottom plate 7, a supporting plate 73 is arranged between the bottom plate 7 and the top plate 8, the supporting plate 73 is welded with the upper end of the bottom plate 7, the upper end of the supporting plate 73 is connected with the top plate 8 through bolts, internal devices such as windings are fixed through the top plate 8 and the bottom plate 7, and the bottom plate 7 and the top plate 8 are accurately placed into the transformer box body 1 through the guide plates 12.

Second spacing groove 81 has all been seted up to four sides of roof 8, second spacing groove 81 and deflector 12 sliding connection, three through wires hole 83 has been seted up to the upper end of roof 8, the upper end bilateral symmetry of roof 8 is pegged graft and is had a pair of curved plate 82, it has the S-shaped shell fragment to peg graft between curved plate 82 and the roof 8, anti-skidding line has been seted up to the upper end of curved plate 82, curved plate 82 and the 5 end bottom contacts of case lid, case lid 5 contacts with curved plate 82 when the left socle moves, and case lid 5 produces the extrusion to curved plate 82, make curved plate 82 slide to roof 8, it is fixed to make roof 8.

Four locating levers 9 of the inboard bottom bilateral symmetry welding of transformer box 1, locating lever 9 is pegged graft in through-hole 72, sliding connection has fixture block 91 in locating lever 9, it has spring 92 to peg graft between fixture block 91 and the locating lever 9, fixture block 91 and bottom plate 7 joint, locating lever 9 runs through and pegs graft in through-hole 72 of bottom plate 7, fixture block 91 and bottom plate 7 joint in the locating lever 9 simultaneously, thereby fix bottom plate 7, thereby it is fixed to make between bottom plate 7 and the transformer box 1.

The working principle is as follows: when the transformer is assembled, internal devices such as windings are installed on the bottom plate 7, the top plate 8 and the supporting plate 73 are fixed through bolts, the internal devices such as the windings are further fixed through the top plate 8, the bottom plate 7 and the top plate 8 are slowly placed into the transformer box body 1 along the guide plate 12, the bottom plate 7 and the top plate 8 are accurately placed into the transformer box body 1 through the guide plate 12, when the bottom plate 7 slides to the bottom of the transformer box body 1, the positioning rod 9 penetrates through the through hole 72 of the bottom plate 7 and is inserted into the through hole 72 of the bottom plate 7, meanwhile, the clamping block 91 in the positioning rod 9 is clamped with the bottom plate 7, the bottom plate 7 is fixed, the bottom plate 7 and the transformer box body 1 are fixed, the internal devices such as the windings are indirectly fixed with the transformer box body 1, the design is reasonable, the operation is simple, and the assembly efficiency is improved;

after putting into transformer box 1 when roof 8, promote case lid 5 along case edge 2 from the right side left, seal transformer box 1, case lid 5 contacts with curved plate 82 when removing left, and case lid 5 produces the extrusion to curved plate 82, makes curved plate 82 slide in to roof 8, makes roof 8 fixed to fix internal devices such as the winding between roof 8 and the bottom plate 7, prevent that internal devices such as winding from rocking.

When sealing up the transformer, promote case lid 5 along 2 right sides left along the case, first locating piece 3 moves left along first draw-in groove 21 simultaneously, thereby it is fixed to make first locating piece 3 and first draw-in groove 21 joint, second locating piece 6 moves left along second draw-in groove 22, make second locating piece 6 and second draw-in groove 22 joint, again with positioning bolt pole 61 screw in case along 2, make positioning bolt pole 61 run through behind the second draw-in groove 22 again with 2 grafting on the case edge, fix second locating piece 6 through positioning bolt pole 61, prevent that second locating piece 6 from sliding right, thereby fix case lid 5, it is fixed between 2 to make case lid 5 and case edge, thereby seal up the transformer and fix.

Fix between 2 through case lid 5 and case edge, produce deformation with sealing washer 11 extrusion, make case lid 5 and case edge sealed between 2, thereby seal the transformer, prevent infiltration transformer such as rainwater in, when fixing bolt 4 slow screw in case lid 5 in, fixing bolt 4 forms first sealed with annular ring 41 joint, the sealed pad 42 that sets up between rethread fixing bolt 4 and the case lid 5 carries out the second and seals, prevent that rainwater from following in bolt entering square groove 51 and the recess 52.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer of convenient processing assembly, includes transformer box body (1), case edge (2) and case lid (5), its characterized in that: the transformer box is characterized in that a box edge (2) is welded at the upper end of a transformer box body (1), three groups of first clamping grooves (21) are symmetrically formed in the front and back of the upper end of the box edge (2), three groups of second clamping grooves (22) are symmetrically formed in the left and right of the upper end of the box edge (2), a box cover (5) is arranged at the upper end of the box edge (2), three groups of square grooves (51) are symmetrically formed in the front and back of the bottom end of the box cover (5), three groups of grooves (52) are symmetrically formed in the left and right of the bottom end of the box cover (5), first positioning blocks (3) are inserted in the six square grooves (51) which are symmetrically distributed in the front and back, fixing bolts (4) are connected with each other through the box cover (5) in a threaded manner, the first positioning blocks (3) are clamped with the first clamping grooves (21), second positioning blocks (6) are inserted in the six grooves (52) which are symmetrically distributed in the left and right manner, the fixing bolt (4) penetrates through the box cover (5) and is in threaded connection with the second positioning block (6), the second positioning block (6) is connected with the second clamping groove (22) in a clamped mode, four positioning bolt rods (61) are symmetrically in threaded connection with the front side and the rear side of the box edge (2), the four positioning bolt rods (61) are symmetrically distributed in the front and rear direction and penetrate through the second clamping groove (22), the positioning bolt rods (61) are in contact with the second positioning block (6), guide plates (12) are welded on the four inner side faces of the transformer box body (1), a bottom plate (7) is arranged at the bottom in the transformer box body (1), first limiting grooves (71) are formed in the four side faces of the bottom plate (7), four through holes (72) are symmetrically formed in the left and right direction of the upper end of the bottom plate (7), the bottom plate (7) is movably connected with the transformer box body (1), and the first limiting grooves (71) are in sliding connection with the guide plates (12), the transformer box is characterized in that a top plate (8) is arranged above the bottom plate (7), second limiting grooves (81) are formed in four side faces of the top plate (8), the second limiting grooves (81) are connected with the guide plate (12) in a sliding mode, three threading holes (83) are formed in the upper end of the top plate (8), four positioning rods (9) are welded at the bottom end of the inner side of the transformer box body (1) in a bilateral symmetry mode, and the positioning rods (9) are inserted into the through holes (72).

2. The transformer convenient to machine and assemble according to claim 1, wherein: the box is along (2) and the outside limit alignment setting of case lid (5), be provided with sealing washer (11) between case edge (2) and case lid (5).

3. The transformer convenient to machine and assemble according to claim 1, wherein: the welding of the top of case lid (5) has annular circle (41), fixing bolt (4) and annular circle (41) joint, be provided with sealed pad (42) between fixing bolt (4) and case lid (5).

4. The transformer convenient to machine and assemble according to claim 1, wherein: the movable blocks (53) are symmetrically arranged on the left and right sides of the inner wall of the groove (52), U-shaped elastic pieces are inserted between the movable blocks (53) and the groove (52), and the second positioning blocks (6) are in contact with the movable blocks (53).

5. The transformer convenient to machine and assemble according to claim 1, wherein: a supporting plate (73) is arranged between the bottom plate (7) and the top plate (8), the supporting plate (73) is welded to the upper end of the bottom plate (7), and the upper end of the supporting plate (73) is connected with the top plate (8) through a bolt.

6. The transformer convenient to machine and assemble according to claim 1, wherein: the upper end of the top plate (8) is bilaterally symmetrically inserted with a pair of curved plates (82), an S-shaped elastic sheet is inserted between the curved plates (82) and the top plate (8), the upper end of each curved plate (82) is provided with anti-skid grains, and the curved plates (82) are in contact with the bottom end of the box cover (5).

7. The transformer convenient to machine and assemble according to claim 1, wherein: a clamping block (91) is connected in the positioning rod (9) in a sliding mode, a spring (92) is inserted between the clamping block (91) and the positioning rod (9), and the clamping block (91) is connected with the bottom plate (7) in a clamping mode.