CN218826571U - Transformer coil outgoing line copper-aluminum bar - Google Patents

Abstract

The utility model relates to a transformer technical field, in particular to transformer coil copper aluminium of being qualified for next round of competitions is arranged, include: copper bar and aluminium bar, the one end sliding connection fixed slot of aluminium bar, the fixed slot sets up on the terminal surface of fixed plate, the inner wall sliding connection movable plate of fixed slot, be equipped with compression spring between movable plate and the fixed plate inner wall, the one end of copper bar is equipped with preceding spread groove, the copper bar is served and is equipped with the back spread groove, resilience through compression spring, with movable plate and aluminium bar zonulae occludens, and drive the aluminium bar and move in the fixed slot, and then be connected through the buckle of preceding spread groove and back spread groove, with aluminium bar and copper bar zonulae occludens, and after long-time operation, local temperature rise is too high, soften the deformation with the welding department, under compression spring's drive, the aluminium bar can move like copper bar department, make aluminium bar and copper bar guarantee in close contact constantly, after having avoided long-time operation, local temperature rise is too high, make the welding department appear softening deformation, and then produce the fracture, influence subsequent use.

Description

Transformer coil outgoing line copper-aluminum bar

Technical Field

The utility model relates to a transformer technical field, in particular to transformer coil is qualified for next round of competitions copper aluminium row.

Background

The coil outgoing line copper aluminum bar of the prior single-phase pole-mounted transformer adopts a copper aluminum transition bar or adopts an aluminum strip and an aluminum bar to be welded and led out. When the copper-aluminum transition bar is adopted for leading out, butt welding positions of the copper bar and the aluminum bar are easy to break, particularly for a small-capacity transformer, the copper bar and the aluminum bar are small, the welding temperature is high, and the contact surface is small, so the copper bar and the aluminum bar are easy to break. When the aluminum strip is welded with the aluminum bar for leading out, due to the fact that the thermal expansion coefficients of copper and aluminum are different, in the running process of the transformer, the joint surface of the aluminum bar and the copper conducting rod is poor due to the fact that the thermal expansion coefficients of copper and aluminum are different, local temperature rise is too high, and low-voltage circuit breaking of the transformer is caused after long-time running.

The high strength transformer coil that is qualified for the next round of competitions copper aluminium bar (CN 209895893U) of current patent adopts the welding seam of S type in the welding department between aluminium bar and the copper bar, increases the area of contact of welding seam, guarantees can not produce the fracture between the copper aluminium bar, but adopts the welding, and after long-time operation, local temperature rise is too high. The welding position is easy to break, and the subsequent use is influenced.

Therefore, there is a need to provide a copper-aluminum busbar for transformer coil outgoing line to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a transformer coil copper aluminium row of being qualified for next round of competitions.

The utility model provides a transformer coil is qualified for next round of competitions copper aluminium and is arranged, include: copper bar and aluminium row, the one end sliding connection fixed slot of aluminium row, the fixed slot sets up on the terminal surface of fixed plate, the inner wall sliding connection movable plate of fixed slot, be equipped with compression spring between movable plate and the fixed plate inner wall, the one end of copper bar is equipped with preceding spread groove, aluminium row is served with the one that the copper bar is relative and is equipped with the back spread groove with preceding spread groove matched with, the upper end of fixed plate is equipped with the line hole, line hole swing joint apron, be equipped with the mounting hole that links to each other with the copper conducting rod on the other end of copper bar.

Preferably, left connecting block and right connecting block that the both ends fixed connection insulating material of aluminium row was made, left side connecting block and right connecting block are sliding connection respectively and are located the left spout and the right spout of fixed plate inner wall, the both ends sliding connection left spout and the right spout of movable plate.

Preferably, be equipped with a plurality of connecting holes on the terminal surface of movable plate, the connecting hole equidistance is arranged on the terminal surface of movable plate, be equipped with the connecting axle with connecting hole matched with on the terminal surface of aluminium row.

Preferably, the top of the moving plate is fixedly connected with a moving rod, the moving rod is connected with a moving hole in a sliding mode, the moving hole is rectangular, and the moving hole is formed in the top of the fixing plate.

Preferably, one side of the fixing plate is provided with a second fixing plate, the end face of the second fixing plate is provided with a fixing hole, the fixing hole is connected with the copper bar in a sliding mode, and the fixing plate is connected with the second fixing plate through a connecting mechanism.

Preferably, coupling mechanism includes a plurality of spread grooves and second spread groove, spread groove and second spread groove set up respectively on the outer wall of fixed plate and second fixed plate, the both ends of spread groove and second spread groove's inner wall swing joint connecting plate respectively, connecting hole and back connecting hole before being equipped with on the both ends of connecting plate, be equipped with on the inside of spread groove with preceding connecting hole complex first connecting hole, the inside of back spread groove be equipped with back connecting hole complex second connecting hole.

Preferably, the two ends of the inner wall of the fixing hole are provided with a second left sliding groove and a second right sliding groove, and the two ends of the copper bar are respectively connected with the second left sliding groove and the second right sliding groove in a sliding manner.

Compared with the prior art, the utility model provides a transformer coil is qualified for next round of competitions copper aluminium and is arranged as follows

Has the advantages that:

1. the utility model discloses a resilience of compression spring, with movable plate and aluminium bar zonulae occludens, and drive the aluminium bar and move in the fixed slot, and then be connected through the buckle of preceding spread groove and back spread groove, with aluminium bar and copper bar zonulae occludens, and after long-time operation, local temperature rise is too high, soften the deformation with the welding, under the drive of compression spring, the aluminium bar can move like copper bar department, make aluminium bar and copper bar guarantee the zonulae occludens constantly, avoided long-time operation after, local temperature rise is too high, make the welding department appear softening deformation, and then produce the fracture, influence subsequent use, and through the connecting wire hole that is located the fixed plate upper portion, accessible connecting wire hole, wear out the cable that links to each other with the aluminium bar through the connecting wire hole, and through the mounting hole on the copper bar, the copper bar is connected with the copper conducting rod, the contact failure that causes because of copper, aluminium bar thermal expansion coefficient difference has been stopped, cause the problem of transformer local overheat;

2. the utility model discloses a setting has the second fixed plate of fixed orifices, and with fixed orifices sliding connection copper bar, guarantee copper bar more stable when removing, and the fixed plate passes through coupling mechanism with the second fixed plate and links to each other, can carry on spacingly to aluminium row and copper bar, and then guarantee that aluminium row links to each other with the copper bar is more stable, subsequent use of being convenient for, through the bolt, link to each other first connecting hole with preceding connecting hole, the second connecting hole links to each other with the back connecting hole, and then guarantee the steadiness that fixed plate and second fixed plate are connected, better carry on spacingly to copper bar and aluminium row.

3. The utility model is provided with the left chute and the right chute, and is connected with the left connecting block and the right connecting block through the left chute and the right chute in a sliding way, and is limited by the left chute and the right chute; and then guarantee that the aluminium bar removes more stability in the fixed slot to with the left spout of the both ends sliding connection and the right spout of movable plate, guarantee movable plate more stable when removing, through setting up left spout of second and the right spout of second, accessible left spout of second and the spacing of the right spout of second guarantee that the copper bar is more stable when removing.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a transformer coil outgoing copper-aluminum busbar provided by the present invention;

FIG. 2 is a schematic structural view from another perspective of the coupling mechanism shown in FIG. 1, shown uncoupled;

FIG. 3 is a schematic structural view of all of the components shown in FIG. 1;

FIG. 4 is a schematic view of the fixing plate shown in FIG. 1;

FIG. 5 is a schematic view of the moving plate shown in FIG. 1

Reference numbers in the figures: 1. a fixing plate; 2. a second fixing plate; 3. copper bars; 4. a connecting mechanism; 5. a cover plate; 6. moving the hole; 7. a travel bar; 8. a wire connecting hole; 9. aluminum row; 10. a front connecting groove; 11. a rear connecting groove; 13. a left connecting block; 14. a right connecting block; 15. moving the plate; 16. a second left chute; 17. a second right chute; 18. a fixing hole; 19. a compression spring; 20. fixing grooves; 21. a left chute; 22. a right chute; 23. connecting holes; 24. a connecting shaft; 101. connecting grooves; 102. a second connecting groove; 103. a first connection hole; 104. a second connection hole; 105. a connecting plate; 106. a front connection hole; 107. a rear connecting hole; 108. and (7) installing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided to illustrate specific embodiments of the present invention.

Referring to fig. 1 to 5, the utility model provides a transformer coil copper aluminium row of being qualified for next round of competitions, include: copper bar 3 and aluminium row 9, the one end sliding connection fixed slot 20 of aluminium row 9, fixed slot 20 sets up on the terminal surface of fixed plate 1, the inner wall sliding connection movable plate 15 of fixed slot 20, be equipped with compression spring 19 between movable plate 15 and the 1 inner wall of fixed plate, spread groove 10 before the one end of copper bar 3 is equipped with, aluminium row 9 is served with the relative one of copper bar 3 and is equipped with and spread groove 11 after with preceding spread groove 10 matched with, the upper end of fixed plate 1 is equipped with line hole 8, 8 swing joint apron 5 in line hole, be equipped with the mounting hole 108 that links to each other with the copper conducting rod on the other end of copper bar 3.

It should be noted that: the material of movable plate 15 chooses insulating material to make for use, resilience through compression spring 19, with movable plate 15 and aluminium gang 9 zonulae occludens, and drive aluminium gang 9 and remove in fixed slot 20, and then connect through the buckle of preceding spread groove 10 and back spread groove 11, with aluminium gang 9 and copper bar 9 zonulae occludens, and after long-time operation, local temperature rise is too high, soften the deformation with the welding department, under the drive of compression spring 19, aluminium gang 9 can move like copper bar 3 department, make aluminium gang 9 and copper bar 3 guarantee the close contact constantly, avoided long-time operation after, local temperature rise is too high, make the welding department appear softening and deforming, and then produce the fracture, influence subsequent use, and through the link hole 8 that is located fixed plate 1 upper portion, accessible link hole 8, wear out the cable that links to each other with aluminium gang 9 through the link hole 8 of copper bar, and through the mounting hole 108 on the copper bar 3, copper bar 3 is connected with the copper conducting rod, stopped because the contact that the difference of the aluminium gang 9 thermal expansion coefficient causes, cause the problem of local overheat of transformer.

In the embodiment of the utility model, refer to fig. 1 and show, left connecting block 13 and right connecting block 14 that the insulating material of both ends fixed connection of aluminium bar 9 was made, left connecting block 13 and right connecting block 14 are sliding connection respectively and are located left spout 21 and right spout 22 of fixed plate 1 inner wall, the both ends sliding connection left spout 21 and right spout 22 of movable plate 15.

It should be noted that: the left connecting block 13 and the right connecting block 14 are connected in a sliding manner through the left sliding groove 21 and the right sliding groove 22 and the left sliding groove 21 and the right sliding groove 22, and the limit is realized through the left sliding groove 21 and the right sliding groove 22; thereby ensuring that the aluminum row 9 moves more stably in the fixed groove 20, and the two ends of the moving plate 15 are connected with the left sliding groove 21 and the right sliding groove 22 in a sliding manner, so as to ensure that the moving plate 15 moves more stably.

In the embodiment of the present invention, referring to fig. 5, a plurality of connecting holes 23 are provided on the end surface of the moving plate 15, the connecting holes 23 are arranged on the end surface of the moving plate 15 at equal intervals, and a connecting shaft 24 matched with the connecting holes 23 is provided on the end surface of the aluminum row 9.

It should be noted that: by arranging the connecting hole 23 and the connecting shaft 24 and by the movable connection between the connecting hole 23 and the connecting shaft 24, the movable plate 15 is ensured to be more tightly connected with the aluminum bar 9 when moving, and the aluminum bar 9 is further driven to move better;

in the embodiment of the present invention, referring to fig. 2, the top of the moving plate 15 is fixedly connected with the moving rod 7, the moving rod 7 is slidably connected with the moving hole 6, the moving hole 6 is rectangular, and the moving hole 6 is disposed at the top of the fixing plate 1.

It should be noted that: the moving rod 7 is made of an insulating material, and the moving rod 7 outside the fixed plate 1 can be manually moved to drive the moving plate 15 to move, so that when the aluminum bar 9 is installed, the moving plate 15 is located on the inner side of the fixed groove 20, and the aluminum bar 9 is conveniently installed;

in the embodiment of the present invention, referring to fig. 3, one side of the fixing plate 1 is provided with a second fixing plate 2, a fixing hole 18 is provided on the end surface of the second fixing plate 2, the fixing hole 18 is slidably connected to the copper bar 3, and the fixing plate 1 is connected to the second fixing plate 2 through a connecting mechanism 4.

It should be noted that: the second fixing plate 2 with the fixing holes 18 is arranged, the fixing holes 18 are connected with the copper bars 3 in a sliding mode, the copper bars 3 are guaranteed to be more stable during moving, the fixing plates 1 are connected with the second fixing plate 2 through the connecting mechanisms 4, the aluminum bars 9 and the copper bars 3 can be limited, and therefore the aluminum bars 9 and the copper bars 3 are guaranteed to be more stably connected, and subsequent use is facilitated;

the utility model discloses an in the embodiment, refer to fig. 2 and show, coupling mechanism 4 includes a plurality of connecting grooves 101 and second connecting groove 102, connecting groove 101 and second connecting groove 102 set up respectively on the outer wall of fixed plate 1 and second fixed plate 2, the both ends of swing joint connecting plate 105 are distinguished to the inner wall of connecting groove 101 and second connecting groove 102, be equipped with preceding connecting hole 106 and back connecting hole 107 on the both ends of connecting plate 105, be equipped with on the inside of connecting groove 101 with preceding connecting hole 106 complex first connecting hole 103, the inside of back connecting groove 11 be equipped with back connecting hole 107 complex second connecting hole 104.

It should be noted that: the first connecting hole 103 is connected with the front connecting hole 106 and the second connecting hole 104 is connected with the rear connecting hole 107 through bolts, so that the connecting stability of the fixing plate 1 and the second fixing plate 2 is ensured, and the copper bar 3 and the aluminum bar 9 are better limited;

in the embodiment of the present invention, referring to fig. 3, the two ends of the inner wall of the fixing hole 18 are provided with a second left sliding groove 16 and a second right sliding groove 17, and the two ends of the copper bar 3 are respectively connected to the second left sliding groove 16 and the second right sliding groove 17 in a sliding manner.

It should be noted that: through setting up left spout 16 of second and second right spout 17, accessible left spout 16 of second and second right spout 17 spacing, guarantee copper bar 3 more stable when removing.

The utility model provides a transformer coil is qualified for next round of competitions copper aluminium and is arranged the theory of operation as follows:

through the second left chute 16 and the second right chute 17, the copper bar 3 is slidably connected with the fixed hole 18, the movable plate 15 is moved through the moving rod 7, the aluminum bar 9 is slidably connected with the left chute 21 and the right chute 22 inside the fixed groove 20, the movable plate 15 moves under the reply of the compression spring 19, the connecting hole 23 on the movable plate 15 is movably connected with the connecting shaft 24, and the movable plate 15 is connected with the aluminum bar 9, then the aluminum bar 9 moves forwards under the drive of the movable plate 15 until the rear connecting groove 11 on the aluminum bar 9 is in snap-fit connection with the front connecting groove 10 on the copper bar 3, so that the aluminum bar 9 is closely connected with the copper bar 3, and as one end of the copper bar 3 is connected with the copper conducting rod through the mounting hole 108, under the condition that one end of the copper bar 3 is fixed, the other end of the copper bar is closely connected with the aluminum bar 9 through the reply of the compression spring 19, after long-time running, the local temperature rise is over-high, so that the welding part is softened and deformed, further, the fracture is caused, and the subsequent use is influenced by the fact that the cable passes through the local contact hole 8 of the copper bar 8 on the fixed plate 1, and the cable passes through the copper bar 9, and the problem that the cable passes through the copper bar is avoided, and the cable passes through the copper bar, and the problem of the cable, and the cable, the cable is not good thermal expansion problem that the cable is caused by the problem that the copper bar, and the cable is caused by the problem that the copper bar, the cable is not good thermal expansion problem that the copper bar 9.

The utility model discloses circuit and control that relate to are prior art, do not carry out too much repetition here.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims (7)

1. Transformer coil outgoing line copper aluminium row, its characterized in that includes: copper bar (3) and aluminum bar (9), one end sliding connection fixed slot (20) of aluminum bar (9), fixed slot (20) set up on the terminal surface of fixed plate (1), inner wall sliding connection movable plate (15) of fixed slot (20), be equipped with compression spring (19) between movable plate (15) and fixed plate (1) inner wall, spread groove (10) before the one end of copper bar (3) is equipped with, aluminum bar (9) and copper bar (3) are relative one serve be equipped with preceding spread groove (10) matched with back spread groove (11), the upper end of fixed plate (1) is equipped with line hole (8), line hole (8) swing joint apron (5), be equipped with mounting hole (108) that link to each other with the copper conducting rod on the other end of copper bar (3).

2. The transformer coil outgoing copper-aluminum busbar according to claim 1, wherein two ends of the aluminum busbar (9) are fixedly connected with a left connecting block (13) and a right connecting block (14) which are made of insulating materials, the left connecting block (13) and the right connecting block (14) are respectively in sliding connection with a left sliding groove (21) and a right sliding groove (22) which are located on the inner wall of the fixed plate (1), and two ends of the moving plate (15) are in sliding connection with the left sliding groove (21) and the right sliding groove (22).

3. The transformer coil outgoing copper-aluminum busbar according to claim 1, wherein a plurality of connecting holes (23) are formed in the end face of the moving plate (15), the connecting holes (23) are arranged on the end face of the moving plate (15) at equal intervals, and a connecting shaft (24) matched with the connecting holes (23) is formed in the end face of the aluminum busbar (9).

4. The transformer coil outlet copper-aluminum busbar according to claim 3, wherein a moving rod (7) is fixedly connected to the top of the moving plate (15), the moving rod (7) is slidably connected with a moving hole (6), the moving hole (6) is rectangular in shape, and the moving hole (6) is formed in the top of the fixed plate (1).

5. The transformer coil outgoing copper-aluminum busbar according to claim 1, wherein a second fixing plate (2) is arranged on one side of the fixing plate (1), fixing holes (18) are formed in the end face of the second fixing plate (2), the fixing holes (18) are connected with the copper bars (3) in a sliding mode, and the fixing plate (1) is connected with the second fixing plate (2) through a connecting mechanism (4).

6. The transformer coil outlet copper-aluminum busbar according to claim 5, wherein the connecting mechanism (4) comprises a plurality of connecting grooves (101) and a second connecting groove (102), the connecting grooves (101) and the second connecting groove (102) are respectively arranged on the outer walls of the fixing plate (1) and the second fixing plate (2), the inner walls of the connecting grooves (101) and the second connecting groove (102) are respectively movably connected with two ends of a connecting plate (105), two ends of the connecting plate (105) are provided with a front connecting hole (106) and a rear connecting hole (107), a first connecting hole (103) matched with the front connecting hole (106) is arranged inside the connecting groove (101), and a second connecting hole (104) matched with the rear connecting hole (107) is arranged inside the rear connecting groove (11).

7. The transformer coil outgoing copper-aluminum busbar according to claim 6, wherein a second left sliding groove (16) and a second right sliding groove (17) are formed in two ends of the inner wall of the fixing hole (18), and two ends of the copper busbar (3) are respectively connected with the second left sliding groove (16) and the second right sliding groove (17) in a sliding manner.

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