CN220121607U - Clamping piece structure of oil immersed transformer - Google Patents

Abstract

The utility model discloses a clamp structure of an oil immersed transformer, which belongs to the technical field of transformer equipment and comprises a lower clamp, wherein an upper clamp is arranged above the lower clamp, and support plates are connected to the side walls of the upper clamp and the lower clamp; according to the utility model, the dustproof assembly is arranged, the mounting plate is moved by the upward clamping piece, the L-shaped rod and the heat conducting fin are driven to move by the movement of the mounting plate, after the mounting plate is attached to the side wall of the upper clamping piece, the movement of the mounting plate is stopped, the mounting plate is fixed by the external fixing nut, in the subsequent use process of the oil-immersed transformer, the heat generated by the operation of the oil-immersed transformer can be accumulated in the heat radiating hole by the heat conducting fin, and then is diffused into the surrounding environment through the heat radiating hole and the dustproof net, so that impurities such as dust in the external environment can be prevented from falling onto the heat conducting fin and the oil-immersed transformer through the heat radiating hole, and the heat conducting effect of the heat conducting fin and the heat radiating effect of the oil-immersed transformer are ensured.

Description

Clamping piece structure of oil immersed transformer

Technical Field

The utility model belongs to the technical field of transformer equipment, and particularly relates to a clamping piece structure of an oil immersed transformer.

Background

Distribution transformers are one of the important devices in industrial and mining enterprises and civil building power supply and distribution systems, and they reduce 10 (6) kV or 35kV network voltage to 230/400V bus voltage used by users.

The Chinese patent application number 202020023532.8 discloses an oil immersed transformer clamp, which comprises an upper clamp and a lower clamp, wherein a heat dissipation hole and a rectangular hole are respectively formed in the upper clamp and the lower clamp, heat dissipation is facilitated, a reinforcing rib is arranged in the rectangular hole of the lower clamp, the rigidity of the lower clamp is prevented from being influenced by the rectangular hole, a supporting plate is arranged, the upper clamp and the lower clamp are prevented from being stressed and bent in the using process, the service life of the oil immersed transformer clamp is prolonged, a sleeve pipe is arranged, when the upper clamp and the lower clamp tightly clamp an oil immersed transformer, one end screw thread of a first threaded rod and one end screw thread of a second threaded rod enter the inside of a threaded hole, the upper clamp and the lower clamp are further clamped with each other, the lengths of the first threaded rod and the second threaded rod at the upper end of the upper clamp and the lower clamp are prevented from being overlong after clamping, and subsequent installation and use are facilitated.

In the above patent, the upper clamping piece is provided with the heat dissipation holes, and in the subsequent installation and use process, dust and other impurities in the external environment easily fall onto the oil-immersed transformer through the heat dissipation holes, so that the oil-immersed transformer is polluted, and the heat dissipation effect of the oil-immersed transformer is affected; in addition, the oil-immersed transformer is directly clamped between the upper clamping piece and the lower clamping piece, and when the thickness of the oil-immersed transformer is smaller, the oil-immersed transformer is easy to collide with the side walls of the upper clamping piece and the lower clamping piece, so that the oil-immersed transformer is damaged.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a clamping piece structure of an oil-immersed transformer, which has the characteristics of dust prevention and tight abutting fixation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an oil-immersed transformer folder structure, includes down the folder, the top of folder is provided with the folder down, all is connected with the backup pad on the lateral wall of last folder and lower folder, is provided with coupling mechanism between last folder and the lower folder, is provided with on the lateral wall of last folder and supports tight subassembly, and the top of going up the folder is provided with a plurality of louvre, and the inside of going up the folder is put dustproof subassembly.

Preferably, the dustproof assembly comprises a dustproof net, a mounting plate and a mounting opening, wherein the mounting plate is arranged in the upper clamping piece and above the heat dissipation holes, the mounting opening is arranged on the mounting plate and corresponds to the position of the heat dissipation holes, and the dustproof net is connected to the mounting opening.

Preferably, both ends of the mounting plate are connected with fixed blocks, a fixed groove is formed in the side wall of the upper clamping piece and corresponds to the position of the fixed block, a fixed stud is connected to the inner side wall of the fixed groove, a semicircular hole is formed in the fixed block and corresponds to the position of the fixed stud, and a fixed nut is connected to the outer side wall of the fixed stud.

Preferably, the dustproof assembly further comprises an L-shaped rod and a heat conducting fin, wherein the L-shaped rods are connected to two sides of the inside of the mounting opening, and the heat conducting fin is connected to the inner portion of the L-shaped rod, which is far away from one end of the mounting opening and located in the heat radiating hole.

Preferably, the tight subassembly is provided with the holding tank including supporting tight board, loop bar, nut, screw rod, holding tank and removal groove on the inside wall of going up the folder, and the inside of holding tank is provided with to support tight board, is connected with the loop bar on the lateral wall of supporting tight board, and the position department that just corresponds the loop bar on the lateral wall of holding tank is provided with the removal groove, and the position department that just corresponds the loop bar on the lateral wall of going up the folder is connected with the screw rod, and on the lateral wall of screw rod and be located one side of loop bar is connected with the nut.

Preferably, a connecting groove is formed in the side wall of the upper clamping piece, and a reset spring is connected between the connecting groove and the abutting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the dustproof assembly is arranged, the mounting plate is moved by the upward clamping piece, after the mounting plate is attached to the side wall of the upper clamping piece, the mounting plate is stopped from moving, the mounting plate is fixed by the external fixing nut, in the subsequent use process of the oil-immersed transformer, the heat generated by the operation of the oil-immersed transformer can be gathered into the heat dissipation holes by the heat conducting fins, and then is diffused into the surrounding environment through the heat dissipation holes and the dustproof net, so that dust and other impurities in the external environment can be prevented from falling onto the heat conducting fins and the oil-immersed transformer through the heat dissipation holes by the dustproof net, and the heat conducting effect of the heat conducting fins and the heat dissipation effect of the oil-immersed transformer are ensured.

2. According to the utility model, the abutting assembly is arranged, the upper clamping piece and the lower clamping piece are utilized to clamp and fix the upper end and the lower end of the oil immersed transformer, then the nut is rotated, so that the nut moves rotationally along the screw rod, the nut moves to drive the sleeve rod to move along the moving groove, the sleeve rod moves to drive the abutting plate to move to protrude out of the accommodating groove, after the abutting plate is attached to the side wall of the oil immersed transformer, the nut stops rotating, under the action of the abutting plate, the side wall of the oil immersed transformer can be abutted and fixed, and the installation and placement stability of the oil immersed transformer is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of an upper clip member of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 2 in accordance with the present utility model;

fig. 5 is an enlarged view of the present utility model at C in fig. 4.

In the figure: 1. an upper clamping piece; 2. a dust-proof assembly; 21. a dust screen; 22. a mounting plate; 23. an L-shaped rod; 24. a heat conductive sheet; 25. a mounting port; 3. a support plate; 4. a lower clamping piece; 5. a connecting mechanism; 6. a heat radiation hole; 7. a tightening assembly; 71. a pressing plate; 72. a loop bar; 73. a nut; 74. a screw; 75. a receiving groove; 76. and a moving groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides an oil-immersed transformer folder structure, includes down folder 4, and the top of lower folder 4 is provided with folder 1, all is connected with backup pad 3 on the lateral wall of folder 1 and lower folder 4, is provided with coupling mechanism 5 between folder 1 and the lower folder 4 on, is provided with on the lateral wall of folder 1 and supports tight subassembly 7, and the top of folder 1 is provided with a plurality of louvre 6, and dustproof subassembly 2 has been put to the inside of going up folder 1.

Specifically, the dustproof assembly 2 comprises a dustproof net 21, a mounting plate 22 and a mounting opening 25, the mounting plate 22 is arranged in the upper clamping piece 1 and above the heat dissipation holes 6, the mounting opening 25 is arranged on the mounting plate 22 and corresponds to the position of the heat dissipation holes 6, the dustproof net 21 is connected in the mounting opening 25,

through adopting above-mentioned technical scheme, avoid dust in the external environment to drop on the oil-immersed transformer through louvre 6, cause oil-immersed transformer surface to receive the pollution, influence oil-immersed transformer's radiating effect.

Specifically, both ends of the mounting plate 22 are connected with fixing blocks, a fixing groove is arranged on the side wall of the upper clamping piece 1 and at the position corresponding to the fixing blocks, a fixing stud is connected on the inner side wall of the fixing groove, a semicircular hole is arranged on the fixing block and at the position corresponding to the fixing stud, a fixing nut is connected on the outer side wall of the fixing stud,

through adopting above-mentioned technical scheme, can be with mounting panel 22 detachable connection to last folder 1, the follow-up dismouting mounting panel 22 of being convenient for, and then be convenient for clear up the operation to dust screen 21.

Specifically, the dustproof assembly 2 further comprises an L-shaped rod 23 and a heat conducting sheet 24, wherein the L-shaped rod 23 is connected to both sides of the inside of the mounting opening 25, the heat conducting sheet 24 is connected to one end of the L-shaped rod 23 away from the mounting opening 25 and positioned in the heat dissipation hole 6,

by adopting the technical scheme, the heat dissipation effect of the heat dissipation holes 6 is improved.

When the heat dissipation device is used, firstly, the mounting plate 22 is moved to the upper clamping piece 1, the mounting plate 22 is moved to drive the L-shaped rod 23 to move, the L-shaped rod 23 is moved to drive the heat conducting fin 24 to move into the heat dissipation hole 6, after the mounting plate 22 is attached to the side wall of the upper clamping piece 1, the movement of the mounting plate 22 is stopped, the outside fixing nut is utilized to fix the mounting plate 22, then the oil immersed transformer is clamped between the upper clamping piece 1 and the lower clamping piece 4, then the connecting mechanism 5 is utilized to drive the upper clamping piece 1 and the lower clamping piece 4 to move, after the upper clamping piece 1 and the lower clamping piece 4 are attached to the upper side wall and the lower side wall of the oil immersed transformer, the rotating connecting mechanism 5 is stopped, under the action of the upper clamping piece 1 and the lower clamping piece 4, the upper end and the lower end of the oil immersed transformer can be abutted against each other, in the subsequent use process of the oil immersed transformer can be accumulated by the heat conducting fin 24, then, the heat generated by operation of the oil immersed transformer can be diffused into the surrounding environment through the heat dissipation hole 6 and the dust and the like in the dust-proof net 21 can be prevented from falling into the heat dissipation hole 24 and the heat conducting fin 24 and the heat dissipation effect of the oil immersed transformer can be guaranteed;

example 2

This embodiment differs from embodiment 1 in that: the abutting assembly 7 comprises an abutting plate 71, a loop bar 72, a nut 73, a screw rod 74, a containing groove 75 and a moving groove 76, wherein the containing groove 75 is arranged on the inner side wall of the upper clamping piece 1, the abutting plate 71 is arranged inside the containing groove 75, the loop bar 72 is connected on the side wall of the abutting plate 71, the moving groove 76 is arranged on the side wall of the containing groove 75 and corresponds to the position of the loop bar 72, the screw rod 74 is connected on the side wall of the upper clamping piece 1 and corresponds to the position of the loop bar 72, the nut 73 is connected on the outer side wall of the screw rod 74 and is positioned on one side of the loop bar 72,

specifically, a connecting groove is arranged on the side wall of the upper clamping piece 1, a return spring is connected between the connecting groove and the abutting plate 71,

by adopting the above technical scheme, the abutting plate 71 is convenient to reset, and the abutting plate 71 is convenient to move and store in the accommodating groove 75.

When the oil immersed transformer is used, after the upper clamping piece 1 and the lower clamping piece 4 are used for clamping and fixing the upper end and the lower end of the oil immersed transformer, the nut 73 is rotated, the nut 73 is made to move rotationally along the screw 74, the nut 73 moves to drive the sleeve rod 72 to move along the moving groove 76, the sleeve rod 72 moves to drive the abutting plate 71 to move to protrude the accommodating groove 75, after the abutting plate 71 is attached to the side wall of the oil immersed transformer, the nut 73 is stopped rotating, under the action of the abutting plate 71, the side wall of the oil immersed transformer can be abutted and fixed, and the installation and placement stability of the oil immersed transformer is improved.

The structure and principle of the connecting mechanism 5 consisting of the first threaded rod, the second threaded rod, the first fixing nut, the second fixing nut, the sleeve pipe, the screwing block and the threaded hole are disclosed in an oil immersed transformer clamping piece disclosed in China patent application No. 202020023532.8, and the working principle is as follows: the both ends of going up the folder 1 both sides all peg graft and have first threaded rod, the both ends of lower folder 4 both sides all peg graft and have the second threaded rod, the equal threaded connection of one end of first threaded rod and second threaded rod has first fixation nut, the equal threaded connection of intermediate position of first threaded rod and second threaded rod has second fixation nut, the relative one end threaded connection of first threaded rod and second threaded rod has the ferrule, the intermediate position fixed mounting of ferrule has the screwing block, and screw the piece and be the hexagon structure, the screw hole has been seted up vertically to the intermediate position of ferrule, the equal threaded connection of first threaded rod and second threaded rod is at threaded hole, be equipped with on the ferrule and screw the piece, be convenient for rotate the ferrule through external spanner, and then make first threaded rod and the inside length of second threaded rod be located the ferrule be convenient for adjust, make the distance between upper clamp 1 and the lower clamp 4 be convenient for adjust, make things convenient for clamp 1 and lower clamp 4 to oily formula transformer, and screw the second fixation nut, make one side of second fixation nut contact with one side of ferrule, and the threaded rod are avoided first threaded rod and second threaded rod to rotate on the ferrule, and the first threaded rod is convenient for install the second threaded rod.

The working principle and the using flow of the utility model are as follows: the utility model firstly moves the mounting plate 22 towards the upper clamping piece 1, the mounting plate 22 moves to drive the L-shaped rod 23 to move, the L-shaped rod 23 moves to drive the heat conducting fin 24 to move into the heat radiating hole 6, after the mounting plate 22 is attached to the side wall of the upper clamping piece 1, the movement of the mounting plate 22 is stopped, the outside fixing nut is used for fixing the mounting plate 22, then the oil immersed transformer is clamped between the upper clamping piece 1 and the lower clamping piece 4, then the connecting mechanism 5 is used for driving the upper clamping piece 1 and the lower clamping piece 4 to move, after the upper clamping piece 1 and the lower clamping piece 4 are attached to the upper side wall and the lower side wall of the oil immersed transformer, the rotating connecting mechanism 5 is stopped, under the action of the upper clamping piece 1 and the lower clamping piece 4, the abutting operation can be carried out on the upper end and the lower end of the oil immersed transformer, the nut 73 is rotated to move along the screw 74, the nut 73 moves to drive the loop bar 72 to move along the moving groove 76, the loop bar 72 moves to drive the abutting plate 71 to move to protrude out of the accommodating groove 75, after the abutting plate 71 is attached to the side wall of the oil-immersed transformer, the nut 73 stops rotating, the side wall of the oil-immersed transformer can be abutted and fixed under the action of the abutting plate 71, the stability of installation and placement of the oil-immersed transformer is improved, in the subsequent use process of the oil-immersed transformer, the heat generated by operation of the oil-immersed transformer can be accumulated inside the heat dissipation holes 6 by the heat conducting fins 24, and then the heat is diffused into the surrounding environment through the heat dissipation holes 6 and the dust screen 21, so that impurities such as dust in the external environment can be prevented from falling onto the heat conducting fins 24 and the oil-immersed transformer through the heat dissipation holes 6, and the heat conducting effect of the heat conducting fins 24 and the heat dissipation effect of the oil-immersed transformer are guaranteed.

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

Claims (6)

1. The utility model provides an oily formula transformer folder structure, includes folder, its characterized in that: the upper clamping piece is arranged above the lower clamping piece, the side walls of the upper clamping piece and the lower clamping piece are connected with supporting plates, a connecting mechanism is arranged between the upper clamping piece and the lower clamping piece, a propping assembly is arranged on the side wall of the upper clamping piece, a plurality of heat dissipation holes are formed above the upper clamping piece, and a dustproof assembly is arranged inside the upper clamping piece.

2. The clip structure of an oil immersed transformer according to claim 1, wherein: the dustproof assembly comprises a dustproof net, a mounting plate and a mounting opening, wherein the mounting plate is arranged in the upper clamping piece and above the heat dissipation holes, the mounting opening is arranged on the mounting plate and corresponds to the position of the heat dissipation holes, and the dustproof net is connected to the mounting opening.

3. The clip structure of an oil immersed transformer according to claim 2, wherein: the mounting plate is characterized in that the two ends of the mounting plate are connected with fixing blocks, fixing grooves are formed in the side walls of the upper clamping pieces and correspond to the fixing blocks, fixing studs are connected to the inner side walls of the fixing grooves, semicircular holes are formed in the fixing blocks and correspond to the fixing studs, and fixing nuts are connected to the outer side walls of the fixing studs.

4. The clip structure of an oil immersed transformer according to claim 2, wherein: the dustproof assembly further comprises an L-shaped rod and heat conducting fins, wherein the L-shaped rods are connected to two sides of the inside of the mounting opening, and the heat conducting fins are connected to the inner portion, located at the heat radiating holes, of the L-shaped rod, away from one end of the mounting opening.

5. The clip structure of an oil immersed transformer according to claim 1, wherein: the tight subassembly is supported including supporting tight board, loop bar, nut, screw rod, holding tank and removal groove, is provided with the holding tank on the inside wall of going up the folder, and the inside of holding tank is provided with to support tight board, is connected with the loop bar on the lateral wall of supporting tight board, and the position department that just corresponds the loop bar on the lateral wall of holding tank is provided with the removal groove, goes up the position department that just corresponds the loop bar on the lateral wall of folder and is connected with the screw rod, just is located one side of loop bar on the lateral wall of screw rod and is connected with the nut.

6. The clip structure of an oil immersed transformer according to claim 5, wherein: the side wall of the upper clamping piece is provided with a connecting groove, and a reset spring is connected between the connecting groove and the abutting plate.