Oil-immersed transformer coil assembly

Abstract

The utility model discloses an oil-immersed transformer coil assembly which comprises an installation frame, the front face and the back face of the installation frame are both fixedly connected with a containing frame, a cooling fan is arranged in an inner cavity of the containing frame, the two sides of the cooling fan are both fixedly connected with connecting pieces, the sides, away from the cooling fan, of the connecting pieces are provided with clamping grooves, and the clamping grooves are connected with the cooling fan. Grooves are formed in the two sides of an inner cavity of the containing frame. A cooling fan is placed in the inner cavity of the placing frame, a twisting block is rotated, a threaded rod and a second sliding block are made to move in a threaded mode, the second sliding block pushes a first sliding block to slide in the direction of the cooling fan through a connecting rod, then a clamping block penetrates through an open hole to enter an inner cavity of a clamping groove, and the cooling fan can be fixed through a clamping and fixing structure; and the situation that a user needs to consume much time for overhauling the cooling fan is avoided, and the overhauling efficiency of the oil-immersed transformer coil assembly cooling fan is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil -immersed transformer technical field, especially, relate to a kind of oil -immersed transformer coil assembly. BACKGROUND

[0002] Oil-immersed transformer is a kind of new high-performance transformer with more reasonable structure and better performance. The three core columns of the three-dimensional winding core are arranged in an equilateral triangle, there is no air gap in the magnetic circuit, the winding is more compact, the lengths of the three magnetic circuits are consistent and all are the shortest, and the cross-sectional area of the core column is closer to a circle. Therefore, the performance is further improved, the loss is reduced, the noise is reduced, the three items are balanced, and the oil-immersed transformer coil assembly mostly includes a fixing frame, a coil, a core and a cooling fan on the fixing frame.

[0003] At present, most oil-immersed transformer coil assemblies are provided with cooling fans for cooling. The cooling fans of the oil-immersed transformer coil assembly are mostly fixed by bolts. When the oil-immersed transformer coil assembly is in use, the cooling fan may be damaged. At this time, the cooling fan needs to be removed for maintenance. The cooling fan of the oil-immersed transformer coil assembly is relatively troublesome to disassemble and assemble. Therefore, an oil-immersed transformer coil assembly is needed, which can fix the cooling fan through a clamping structure, avoid the user from consuming too much time for maintenance of the cooling fan, and improve the efficiency of maintenance of the cooling fan of the oil-immersed transformer coil assembly. SUMMARY

[0004] The utility model aims at providing an oil-immersed transformer coil assembly, which can fix the cooling fan through a clamping structure, avoid the user from consuming too much time for maintenance of the cooling fan, and improve the efficiency of maintenance of the cooling fan of the oil-immersed transformer coil assembly, to solve the above background technical problems.

[0005] The utility model discloses a technical scheme that solves the above technical problem as follows: An oil-immersed transformer coil assembly, which comprises a mounting frame, the front and back surfaces of the mounting frame are fixedly connected with placing racks, the inner cavities of the placing racks are provided with heat dissipation fans, the two sides of the heat dissipation fans are fixedly connected with connecting pieces, the side, away from the heat dissipation fan, of the connecting piece is provided with a clamping groove, the two sides of the inner cavity of the placing rack are provided with grooves, the top and bottom of the inner cavity of the groove are provided with horizontal sliding grooves one, the inner cavity of the sliding groove one is slidably connected with sliding blocks one, the side, close to the heat dissipation fan, of the sliding block one is fixedly connected with a clamping block, the side, close to the heat dissipation fan, of the inner cavity of the groove is provided with an opening, the clamping block passes through the opening and is clamped with the clamping groove, the top and bottom of the inner cavity of the groove are provided with sliding grooves two, the inner cavity of the sliding groove two is slidably connected with a sliding block two, the side, close to the sliding block one, of the sliding block two is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with the sliding block one, the inner cavity of the groove is rotatably connected with a threaded rod, the threaded rod penetrates through the sliding block two and is threadedly connected with the sliding block two, one end of the threaded rod penetrates through the outside of the groove and is fixedly connected with a torsion block.

[0006] Preferably, the two sides of the heat dissipation fan are fixedly connected with two symmetrical handles, and the surface of the handle is provided with anti-skid lines.

[0007] Preferably, the surface of the mounting frame is provided with three identical protective sleeves, the inner cavity of the mounting frame is provided with a transformer core, and the protective sleeve is sleeved on the surface of the transformer core.

[0008] Preferably, the connecting piece is U-shaped, the clamping groove is a long strip-shaped opening, and the top and bottom of the sliding block one and the sliding block two are cylindrical limiting strips.

[0009] Preferably, the bottom of the inner cavity of the groove is fixedly connected with a fixing block, and the threaded rod is rotatably connected with the fixing block.

[0010] Preferably, the connecting rod is in an inclined state, the surface of the torsion block is fixedly connected with two symmetrical torsion rods, and the protective sleeve is cylindrical.

[0011] The utility model discloses the beneficial effect is:

[0012] 1. The utility model discloses a heat dissipation fan is placed in the inner cavity of placing rack, rotates torsion block, makes threaded rod and sliding block two screw thread movement, makes sliding block two push sliding block one to the direction of heat dissipation fan through connecting rod, and then makes clamping block pass through the opening and enter the inner cavity of clamping groove, can reach the heat dissipation fan is fixed through the clamping structure, avoids the user to the heat dissipation fan and carries out overhaul to need to consume more time, improves the efficiency of oil-immersed transformer coil assembly heat dissipation fan overhaul's purpose;

[0013] 2、The utility model discloses a through the setting of handle, when the user is to the heat dissipation fan and is disassembled overhauls, through holds handle just can pull out the operation to the heat dissipation fan to the heat dissipation fan of user directly to push and disassembles, improves the convenience of heat dissipation fan disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Among them:

[0015] Figure 1 It is the three-dimensional schematic view of an embodiment of the utility model;

[0016] Figure 2 It is the front view schematic view of an embodiment of the utility model;

[0017] Figure 3 It is the three-dimensional split schematic view of the clamping structure of an embodiment of the utility model;

[0018] Figure 4 It is an embodiment of the utility model Figure 3 The local enlarged view of A point in the utility model.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, mounting frame, 2, stand, 3, heat dissipation fan, 4, connecting piece, 5, clamping groove, 6, recess, 7, sliding slot one, 8, sliding block one, 9, clamping block, 10, aperture, 11, sliding slot two, 12, sliding block two, 13, connecting rod, 14, threaded rod, 15, torsion block, 16, handle, 17, protective sleeve, 18, transformer core. DETAILED DESCRIPTION

[0021] In the following, the embodiment of the oil-immersed transformer coil assembly of the utility model will be described with reference to the drawings.

[0022] Example one:

[0023] Figures 1-4The utility model discloses an oil -immersed transformer coil subassembly of an embodiment shows, it includes mounting frame 1, the surface of mounting frame 1 is provided with three same protective sheaths 17, and the inner chamber of mounting frame 1 is provided with transformer core 18, and the surface of protective sheath 17 is sleeved in transformer core 18, and the front and back of mounting frame 1 are all fixedly connected with placing rack 2, and the inner chamber of placing rack 2 is provided with cooling fan 3, and both sides of cooling fan 3 are all fixedly connected with two symmetrical handles 16, and the surface of handle 16 is provided with antiskid line, through the setting of handle 16, when cooling fan 3 is overhauled, through holding handle 16, cooling fan 3 can be pulled to the operation of operation, avoids that user directly pushes cooling fan 3 and overhauls, improves the convenience of cooling fan 3 and overhauls, and both sides of cooling fan 3 are all fixedly connected with connecting piece 4, and connecting piece 4 is U type, and the groove 5 is long strip shape opening, and the top and bottom of slider one 8 and slider two 12 are all cylindrical limit strip, and the side of connecting piece 4 away from cooling fan 3 is provided with groove 5, and both sides of the inner chamber of placing rack 2 are provided with recess 6, and the top and bottom of the inner chamber of recess 6 are provided with horizontal sliding slot one 7, and the inner chamber of sliding slot one 7 is slidably connected with slider one 8, and the side of slider one 8 close to cooling fan 3 is fixedly connected with clamping block 9, and the side of recess 6 inner chamber close to cooling fan 3 is provided with opening 10, and clamping block 9 passes through opening 10 and is clamped with groove 5, and the top and bottom of the inner chamber of recess 6 are provided with sliding slot two 11, and the inner chamber of sliding slot two 11 is slidably connected with slider two 12, and the side of slider two 12 close to slider one 8 is rotatably connected with connecting rod 13, and the other end of connecting rod 13 is rotatably connected with slider one 8, and the inner chamber of recess 6 is rotatably connected with threaded rod 14, and threaded rod 14 penetrates slider two 12 and is threadedly connected with slider two 12, and one end of threaded rod 14 penetrates to the outside of recess 6 and is fixedly connected with torsion block 15.

[0024] Embodiment two:

[0025] Figures 1-4The oil-immersed transformer coil assembly shown in an embodiment of the utility model, it includes mounting frame 1, the positive and back of mounting frame 1 are fixedly connected with placing rack 2, the inner chamber of placing rack 2 is provided with cooling fan 3, the both sides of cooling fan 3 are fixedly connected with connecting piece 4, the side of connecting piece 4 away from cooling fan 3 is provided with clamping groove 5, the both sides of the inner chamber of placing rack 2 are provided with recess 6, the bottom of the inner chamber of recess 6 is fixedly connected with fixed block, threaded rod 14 is rotatably connected with fixed block, the top and bottom of the inner chamber of recess 6 are provided with transverse sliding slot one 7, the inner chamber of sliding slot one 7 is slidably connected with sliding block one 8, the side of sliding block one 8 close to cooling fan 3 is fixedly connected with clamping block 9, the side of the inner chamber of recess 6 close to cooling fan 3 is provided with aperture 10, clamping block 9 passes through aperture 10 and is engaged with clamping groove 5, the top and bottom of the inner chamber of recess 6 are provided with sliding slot two 11, the inner chamber of sliding slot two 11 is slidably connected with sliding block two 12, the side of sliding block two 12 close to sliding block one 8 is rotatably connected with connecting rod 13, connecting rod 13 is in the state of inclination, the surface of torsion block 15 is fixedly connected with two symmetrical torsion rods, protective sleeve 17 is cylindrical, the other end of connecting rod 13 is rotatably connected with sliding block one 8, the inner chamber of recess 6 is rotatably connected with threaded rod 14, threaded rod 14 penetrates through sliding block two 12 and is threadedly connected with sliding block two 12, one end of threaded rod 14 penetrates to the outside of recess 6 and is fixedly connected with torsion block 15.

[0026] Working principle: when the utility model is used, the user places cooling fan 3 in the inner chamber of placing rack 2, rotates torsion block 15, makes threaded rod 14 and sliding block two 12 threadedly move, limits through sliding slot two 11, makes sliding block two 12 slide in the direction away from torsion block 15, makes sliding block two 12 drive sliding block one 8 to slide in the direction of cooling fan 3 through connecting rod 13, makes sliding block one 8 drive clamping block 9 to pass through aperture 10 and enter the inner chamber of clamping groove 5, further makes clamping block 9 fix cooling fan 3, avoids the user to consume more time to overhaul cooling fan, improves the efficiency of oil-immersed transformer coil assembly cooling fan overhaul, when the user overhauls cooling fan 3, can pull cooling fan 3 through holding handle 16, avoids the user to directly push cooling fan 3 to disassemble, improves the convenience of cooling fan 3 disassembly.

[0027] In conclusion: the oil-immersed transformer coil assembly, through cooling fan 3 is placed in the inner chamber of placing rack 2, rotates torsion block 15, makes threaded rod 14 and sliding block two 12 threadedly move, makes sliding block two 12 drive sliding block one 8 to slide in the direction of cooling fan 3 through connecting rod 13, further makes clamping block 9 pass through aperture 10 and enter the inner chamber of clamping groove 5, can reach the purpose that can fix cooling fan through clamping structure, avoids the user to consume more time to overhaul cooling fan, improves the efficiency of oil-immersed transformer coil assembly cooling fan overhaul.

Claims

1. An oil-immersed transformer coil assembly, characterized by, The utility model provides an installation frame (1) is provided with the placing frame (2) on the front and back, and the placing frame (2) is provided with the heat dissipation fan (3) in the cavity, and the heat dissipation fan (3) is provided with the connecting piece (4) on both sides, and the connecting piece (4) is provided with the clamping groove (5) on the side away from the heat dissipation fan (3), and the placing frame (2) is provided with the recess (6) on both sides in the cavity, and the recess (6) is provided with the transverse sliding slot one (7) on the top and bottom in the cavity, and the sliding slot one (7) is provided with the sliding block one (8) in the cavity, and the sliding block one (8) is provided with the clamping block (9) on the side close to the heat dissipation fan (3), and the recess (6) is provided with the aperture (10) on the side close to the heat dissipation fan (3) in the cavity, and the clamping block (9) passes through the aperture (10) and is clamped with the clamping groove (5), and the recess (6) is provided with the sliding slot two (11) on the top and bottom in the cavity, and the sliding slot two (11) is provided with the sliding block two (12) in the cavity, and the sliding block two (12) is provided with the connecting rod (13) on the side close to the sliding block one (8), and the connecting rod (13) is provided with the sliding block one (8) on the other end, and the recess (6) is provided with the threaded rod (14) in the cavity, and the threaded rod (14) passes through the sliding block two (12) and is threadedly connected with the sliding block two (12), and the threaded rod (14) is provided with the torsion block (15) on the one end and is fixedly connected with the recess (6) outside.

2. An oil immersed transformer coil assembly according to claim 1, characterized in that Both sides of the heat dissipation fan (3) are fixedly connected with two symmetrical handles (16), and the surface of the handle (16) is provided with anti-skid lines.

3. An oil immersed transformer coil assembly according to claim 2, wherein, The surface of the installation frame (1) is provided with three same protective sleeves (17), and the inner cavity of the installation frame (1) is provided with a transformer core (18), and the protective sleeve (17) is sleeved on the surface of the transformer core (18).

4. An oil immersed transformer coil assembly according to claim 3, wherein The connecting piece (4) is U-shaped, the clamping groove (5) is a long strip-shaped aperture, and the top and bottom of the sliding block one (8) and the sliding block two (12) are cylindrical limiting strips.

5. An oil immersed transformer coil assembly according to claim 4, wherein, The bottom of the recess (6) is fixedly connected with a fixed block, and the threaded rod (14) is rotatably connected with the fixed block.

6. An oil immersed transformer coil assembly according to claim 5, wherein, The connecting rod (13) is in an inclined state, the surface of the torsion block (15) is fixedly connected with two symmetrical torsion rods, and the protective sleeve (17) is cylindrical.

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