CN210142570U

CN210142570U - Coal mine transformer with early warning function

Info

Publication number: CN210142570U
Application number: CN201920968463.5U
Authority: CN
Inventors: 邵传益; 薛德付; 周伟
Original assignee: Yancheng Qilin Electric Co Ltd
Current assignee: Yancheng Qilin Electric Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-03-13
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a colliery transformer with early warning function, including transformer main part, high-tension bushing, low-voltage bushing, conservator, connecting pipe, precaution device, bottom plate and installation ear, the top of transformer main part is provided with 2 high-tension bushing and 2 low-voltage bushing of group, the mouth of pipe department lid on conservator top has closed the closing cap, the top welding of conservator has the mounting bracket, the top fixed mounting of mounting bracket has the precaution device, the connecting rod is inserted to be equipped with by the link, the bottom of connecting rod is provided with the buoyancy board, the bottom welding of transformer main part has the bottom plate, the installation ear has all been welded to the both sides of bottom plate lower surface. The utility model discloses increase and have the early warning structure, stable in structure can trigger from opening, and it is more convenient to use, increases the filter screen, and when realizing low temperature simultaneously, the orificial closing of conservator reduces the dust and gets into, conveniently adjusts the footing height for the transformer can steadily be placed on ground, and stability promotes.

Description

Coal mine transformer with early warning function

Technical Field

The utility model relates to a colliery transformer technical field specifically is a colliery transformer with early warning function.

Background

Along with the continuous development of science and technology and the continuous progress of economy, people pay more and more attention to the development of resources, coal mine resources need to adopt a transformer to carry out power transformation treatment on a mine tunnel lighting incoming line during development, when the existing coal mine transformer is used for a long time, the temperature of the cooling oil in the transformer rises, the volume of the cooling oil changes, the existing transformer is usually opened on the conservator directly to prevent the pressure intensity of the inner wall of the conservator from being overlarge, but in a complex mine tunnel environment, dust and moisture are easy to enter the interior of the conservator, so that the cooling effect of cooling oil is reduced, after long-term use, the accumulated amount of dust and moisture is increased, the volume of the cooling oil is increased, the cooling oil is even directly diffused after being heated, when the cooling oil exceeds a certain amount, the cooling oil needs to be replaced, the existing coal mine transformer structure is not provided with an early warning structure, is inconvenient to observe, is difficult to master the oil changing time, therefore, it is desirable to provide a coal mine transformer with an early warning function to solve the above problems.

Disclosure of Invention

An object of the utility model is to provide a colliery transformer with early warning function to what provide in solving above-mentioned background art does not set up the early warning structure, is not convenient for observe again, the not good problem of holding of oil change time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery transformer with early warning function, includes transformer main part, high-voltage bushing, low-voltage bushing, conservator, connecting pipe, precaution device, bottom plate and installation ear, the top of transformer main part is provided with 2 groups high-voltage bushing and 2 groups low-voltage bushing, the fixed mounting of transformer main part has the conservator, and is connected with the connecting pipe on the conservator, the mouth of pipe department lid on conservator top has closed the closing cap, the top welding of conservator has the mounting bracket, the top fixed mounting of mounting bracket has the precaution device, the bottom of mounting bracket is provided with shift knob, the mouth of pipe department of conservator is embedded to have the link, inside the inserting of link is equipped with the connecting rod, the bottom of connecting rod is provided with the buoyancy board, the bottom welding of transformer main part has the bottom plate, the both sides of bottom plate lower surface.

Preferably, the lower surface of closing cap is glued and is hung the filter screen, the height of filter screen equals with the height of mounting bracket, the bottom of filter screen is pasted at the conservator outer wall.

Preferably, the switch button is electrically connected with the early warning device through a lead.

Preferably, supporting sleeves are welded at four corners of the bottom end of the bottom plate, supporting legs are inserted into inner cavities of the supporting sleeves, threaded sleeves are connected to outer walls of the supporting legs, rubber blocks are pasted at the bottom ends of the supporting legs, through cavities are formed in the inner cavities of the supporting legs, inner inserting rods are welded in the inner cavities of the supporting sleeves, and connecting steel wire ropes are connected to the bottom ends of the inner inserting rods and the bottom ends of the through cavities.

Preferably, the inner wall of the threaded sleeve is provided with internal threads, the outer wall of the supporting leg is provided with external threads, and the bottom surface of the inner inserted rod is rectangular.

Compared with the prior art, the beneficial effects of the utility model are that: this colliery transformer with early warning function increases has early warning structure, and stable in structure can trigger from opening, and it is more convenient to use, increases the filter screen, and when realizing low temperature simultaneously, the orificial closing of conservator reduces the dust and gets into, conveniently adjusts the footing height for the transformer can steadily be placed on ground, and stability promotes.

1. The floating plate, the sealing cover, the early warning device and the switch button are arranged, and when the volume of the cooling oil reaches a certain value, the early warning device can be triggered by self starting to send out early warning, so that the use is convenient.

2. Be provided with movable closing cap and filter screen, the orificial penetrating condition of effective control conservator, the filter screen plays certain dirt effect of straining, reduces dust and gets into the conservator, strengthens the practicality.

3. Be provided with adjustable footing structure, when placing at ground during operation, the ground of fine adaptation mine way pothole for the transformer can be stable place, promote the stability of transformer work.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the structure of the conservator, the early warning device and the sealing cover of the present invention;

FIG. 3 is a schematic sectional view of the support sleeve, the support leg and the rubber block of the present invention;

fig. 4 is a schematic top view of the connecting frame of the present invention;

in the figure: 1. a transformer body; 2. a high voltage bushing; 3. a low-pressure bushing; 4. an oil conservator; 5. a connecting pipe; 6. sealing the cover; 7. a mounting frame; 8. an early warning device; 9. a switch button; 10. filtering with a screen; 11. a connecting frame; 12. a connecting rod; 13. a buoyancy plate; 14. a base plate; 15. mounting lugs; 16. a support sleeve; 17. supporting legs; 18. a threaded sleeve; 19. a rubber block; 20. a cavity is communicated; 21. an inner inserted rod; 22. and connecting the steel wire rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a coal mine transformer with an early warning function comprises a transformer main body 1, a high-voltage sleeve 2, a low-voltage sleeve 3, an oil conservator 4, a connecting pipe 5, an early warning device 8, a bottom plate 14 and an installation ear 15, wherein 2 groups of high-

voltage sleeves

2 and 2 groups of low-voltage sleeves 3 are arranged at the top end of the transformer main body 1, a primary coil, a secondary coil and an armature are arranged inside the transformer main body 1, the voltage reduction effect is realized through different turns of the primary coil and the secondary coil, the transformer is a transformer part between a high-voltage transmission line and lighting equipment, the oil conservator 4 is fixedly arranged on the transformer main body 1, the connecting pipe 5 is connected onto the oil conservator 4, a sealing cover 6 covers a pipe orifice at the top end of the oil conservator 4, a top sleeve is arranged at the bottom end of the sealing cover 6, a mounting frame 7 is welded at the top end of the oil conservator 4, the, shift knob 9 is connected through the wire and is connected with alarm 8 electricity, and alarm 8 is provided with built-in battery, flashing light and bee calling organ, and shift knob 9 is alarm 8's control element, and after shift knob 9 was triggered by 6 tops of closing cap, alarm 8 realized that the circuit switched on, and flashing light and bee calling organ work realize the early warning function, remind maintainer to change fluid.

The lower surface of closing cap 6 is glued and is hung filter screen 10, and after closing cap 6 rose, the mouth of pipe on 4 tops of conservator switched on, and filter screen 10 played the dirt effect around the mouth of pipe department, and the height of filter screen 10 equals with the height of mounting bracket 7, and the bottom of filter screen 10 is pasted at 4 outer walls of conservator, and up to 6 top shift knob 9 of closing cap, filter screen 10 bottom still exists and shelters from the part, promotes stability.

The mouth of pipe department of conservator 4 is embedded to have link 11, link 11 is equipped with the opening, and be provided with the pipe ring in the middle of link 11, link 11's pipe ring is inserted and is equipped with connecting rod 12, the top of connecting rod 12 is provided with the kicking block, the bottom of connecting rod 12 is provided with buoyancy board 13, buoyancy board 13's material is the rubber and plastic foaming board, density is less than the cooling oil density, after the liquid level of the inside fluid of conservator 4 rises, make buoyancy board 13 come-up, it rises to drive connecting rod 12, thereby make connecting rod 12 top movable closing cap 6, because the top cover setting of kicking block and 6 lower surfaces of closing cap, make connecting rod 12 can be stable be connected with closing cap 6 and top movable closing cap 6, avoid the change in closing cap 6 position to appear, the bottom welding of transformer main part 1 has bottom plate 14, the both sides of 14 lower surfaces all have.

Support sleeves 16 are welded at four corners of the bottom end of the bottom plate 14, support legs 17 are inserted into inner cavities of the support sleeves 16, external threads are arranged on outer walls of the support legs 17, outer walls of the support legs 17 are connected with threaded sleeves 18, inner walls of the threaded sleeves 18 are provided with internal threads, a threaded moving structure is formed between the threaded sleeves 18 and the support legs 17, the threaded sleeves 18 are enabled to ascend or descend by screwing the threaded sleeves 18, the support sleeves 16 are directly placed on the threaded sleeves 18, after the threaded sleeves 18 are screwed, the length of the support legs 17 is changed, the combined length of the support sleeves 16 and the support legs 17 is changed, height adjustment of a footing structure is achieved, stable placement on the ground of a mine is achieved, rubber blocks 19 are adhered to the bottom ends of the support legs 17, friction force is increased by the rubber blocks 19, certain deformation effect is achieved, more stable placement is achieved, through cavities 20 are formed in the inner cavities of, an inner inserting rod 21 is welded in an inner cavity of the supporting sleeve 16, the bottom surface of the inner inserting rod 21 is rectangular, as shown in fig. 3, the inner inserting rod 21 is inserted into a through cavity 20 inside the supporting leg 17, the bottom end of the inner inserting rod 21 is rectangular, after the inner inserting rod is inserted into the supporting leg 17, the supporting leg 17 cannot rotate inside the supporting sleeve 16, the bottom end of the inner inserting rod 21 and the bottom end of the through cavity 20 are connected with a connecting steel wire rope 22, and the supporting leg 17 is prevented from being lost during carrying.

The working principle is as follows: when transformer main body 1 during operation, the inside coil of high-tension bushing 2 generates heat, heat transmission to coolant oil, certain inflation takes place for the coolant oil intensification, thereby make the coolant oil volume change, buoyancy board 13 density is less than the coolant oil, the liquid level of coolant oil promotes the back, buoyancy board 13 rises, drive connecting rod 12 rebound, make closing cap 6 break away from with the mouth of pipe on 4 tops of conservator, thereby make the mouth of pipe on conservator 4 be in and switch on, reduce the pressure of coolant oil to 4 inner walls of conservator, play certain heat transfer effect simultaneously.

Because be provided with filter screen 10 between 6 lower surfaces of closing cap and the conservator 4, when 6 tops of closing cap, filter screen 10 plays certain dirt effect of straining, avoids the dust to pass through inside the mouth of pipe gets into the conservator 4 to when the inside cooling oil inflation of transformer, can not lead to closing cap 6 to open, realize that the conservator 4 is in sealedly, the dust and the steam that also effectively avoid get into the conservator 4.

After long-term the use, dust and aqueous vapor get into conservator 4 for the volume grow of coolant oil, when the coolant oil takes place the inflation again, the liquid level rises and drives buoyancy board 13 and rise, make connecting rod 12 top move when closing cap 6 rises to mounting bracket 7 bottom, 6 extrusion shift knob 9 of closing cap, thereby realize that precaution device 8 triggers, precaution device 8 sends the early warning, the suggestion maintainer handles changing oil.

When the transformer main body 1 is directly installed on the ground of a mine, firstly, the transformer main body 1 is placed in the mine, because the mine is not smooth enough, the combined height of the supporting sleeve 16 and the supporting leg 17 is adjusted, specifically, the adjustment mode is as follows, firstly, the threaded sleeve 18 is rotated, so that the inner inserted rod 21 is in a rectangular structure, and when the threaded sleeve 18 is rotated, the threaded sleeve 18 is lifted or lowered on the outer wall of the supporting leg 17, so that the height of the supporting leg 17 is changed, because the bottom end of the supporting sleeve 16 is directly piled on the threaded sleeve 18, the combined height of the supporting sleeve 16 and the supporting leg 17 is changed, and through adjusting each foot, the transformer main body 1 is in a horizontal mode, and the stability of the transformer main body 1 is enhanced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a coal mine transformer with early warning function, includes transformer main part (1), high-voltage bushing (2), low-voltage bushing (3), conservator (4), connecting pipe (5), early warning ware (8), bottom plate (14) and installation ear (15), its characterized in that: the top end of the transformer main body (1) is provided with 2 groups of high-voltage bushings (2) and 2 groups of low-voltage bushings (3), an oil conservator (4) is fixedly arranged on the transformer main body (1), and the oil conservator (4) is connected with a connecting pipe (5), a pipe orifice at the top end of the oil conservator (4) is covered with a sealing cover (6), the top end of the conservator (4) is welded with a mounting rack (7), the top end of the mounting rack (7) is fixedly provided with an early warning device (8), a switch button (9) is arranged at the bottom end of the mounting rack (7), a connecting rack (11) is embedded at the pipe orifice of the oil conservator (4), a connecting rod (12) is inserted in the connecting frame (11), a buoyancy plate (13) is arranged at the bottom end of the connecting rod (12), the bottom welding of transformer main part (1) has bottom plate (14), the both sides of bottom plate (14) lower surface all weld installation ear (15).

2. The coal mine transformer with the early warning function as claimed in claim 1, wherein: the lower surface of closing cap (6) is pasted and is hung filter screen (10), the height of filter screen (10) equals with the height of mounting bracket (7), the bottom of filter screen (10) is pasted at conservator (4) outer wall.

3. The coal mine transformer with the early warning function as claimed in claim 1, wherein: the switch button (9) is electrically connected with the early warning device (8) through a lead.

4. The coal mine transformer with the early warning function as claimed in claim 1, wherein: supporting sleeve (16) have all been welded at four corners of bottom plate (14) bottom, supporting legs (17) have all been inserted to the inner chamber of supporting sleeve (16), the outer wall of supporting legs (17) all is connected with thread bush (18), rubber block (19) have all been pasted to the bottom of supporting legs (17), logical chamber (20) have been seted up to the inner chamber of supporting legs (17), interior intracavity welding of supporting sleeve (16) has interior pin (21), interior pin (21) bottom and logical chamber (20) bottom are connected with connecting wire rope (22).

5. The coal mine transformer with the early warning function as claimed in claim 4, wherein: the inner wall of the threaded sleeve (18) is provided with internal threads, the outer wall of the supporting leg (17) is provided with external threads, and the bottom surface of the inner inserting rod (21) is rectangular.