CN215954977U

CN215954977U - Airport isolation transformer box with high waterproof effect

Info

Publication number: CN215954977U
Application number: CN202122445364.9U
Authority: CN
Inventors: 刘立刚; 马海; 孙硕琳
Original assignee: Beijing Tiandi Yida Mechanical And Electrical Equipment Co ltd
Current assignee: Beijing Tiandi Yida Mechanical And Electrical Equipment Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-04
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses an airport isolation transformer box with a high waterproof effect, which comprises a box body, wherein a bottom mounting flange is welded at the bottom end of the box body, mounting holes are uniformly formed in the bottom mounting flange and positioned on the periphery of the box body, a top mounting flange is welded and sealed at the top of the box body, mounting bosses are uniformly distributed on the periphery of the bottom of the top mounting flange and positioned in the box body, the mounting bosses and the top mounting flange are integrally formed, mounting threaded holes are formed in the top mounting flange and positioned above the mounting bosses, a top cover is arranged in a stepped hole above the top mounting flange, and the top cover is connected with the top mounting flange through fixing screws and the mounting threaded holes. The utility model can ensure the installation strength of the top cover on one hand, can reduce the whole weight of the transformer box on the other hand, has strong practicability, and the arrangement of the pressure spring above the pressure plate can provide elastic supporting force for the adjustment of the pressure screw, thereby avoiding the looseness of the pressure screw during vibration and further ensuring the firmer and more reliable connection of the grounding wire.

Description

Airport isolation transformer box with high waterproof effect

Technical Field

The utility model relates to the field of isolation transformer boxes, in particular to an airport isolation transformer box with a high waterproof effect.

Background

The isolation transformer is a transformer with an input winding and an output winding electrically isolated, the isolation transformer is used for avoiding touching an electrified body accidentally, and the isolation of the transformer is used for isolating respective currents of the primary winding coil and the secondary winding coil. In the early stage, the isolation transformer is used in the power industry in European countries, is widely used for a control power supply and a power supply of a safety lighting and an indicator light of a general circuit in electronic industry or industrial and mining enterprises, machine tools and mechanical equipment, and needs to be used in an isolation transformer box when the isolation transformer is used.

But current isolation transformer case is when using, and in order to guarantee the installation intensity and the sealed effect of top cap, the weight of box is great, influences the result of use, and when ground terminal installation earth connection moreover, fixed firm inadequately, it is not hard up easily, and the regulation that compresses tightly of screw is comparatively inconvenient. Accordingly, those skilled in the art have provided an airport isolation transformer tank with high waterproof effect to solve the problems set forth in the above background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an airport isolation transformer box with high waterproof effect so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a transformer case is kept apart in airport of high water-proof effect, the power distribution box comprises a box body, the welding of box bottom has bottom mounting flange, it has evenly seted up the mounting hole to lie in the box periphery on the mounting flange of bottom, box top welded seal has top mounting flange, the peripheral inside circumference equipartition that lies in the box of mounting flange bottom has the installation boss, installation boss and top mounting flange integrated into one piece, it has seted up the installation screw hole to lie in the installation boss top on the mounting flange of top, be provided with the top cap in the step hole of top mounting flange top, the top cap is connected through set screw and installation screw hole with top mounting flange.

As a further scheme of the utility model: a primary wire inlet and outlet hole pipe is arranged on one side wall of the box body, a secondary wire inlet and outlet hole pipe is arranged at the position, opposite to the primary wire inlet and outlet hole pipe, on the side wall of the box body, and the primary wire inlet and outlet hole pipe, the secondary wire inlet and outlet hole pipe and the box body are connected in a clamping and pressing mode.

As a further scheme of the utility model: the bottom mounting flange middle part of box bottom is provided with the outlet and has the drain pipe in the welding of drain port department, drain pipe and the inside intercommunication of box.

As a further scheme of the utility model: the wall thickness of the box body is 2.8-5mm, and the aperture of the drain pipe is 20-50 mm.

As a further scheme of the utility model: fixed mounting has ground terminal on the box inner wall, ground terminal includes the supporting box, the rotation supporting seat of setting in supporting box top and below, set up housing screw and the guide post between the rotation supporting seat, the setting is located the clamp plate between the rotation supporting seat at the housing screw periphery, the setting is located the clamp plate top and rotates the pressure spring between the supporting seat at the guide post periphery, the top line ball board of setting in clamp plate other end bottom, the bottom line ball board that sets up in supporting box bottom position top line ball board below and open the entrance hole that lies in bottom line ball board one side on locating the supporting box.

As a further scheme of the utility model: the compression screw is connected with the rotary supporting seat through a bearing, the guide post is connected with the pressing plate in a sliding mode, the pressing plate is connected with the compression screw through threads, and the pressure spring is connected with the pressing plate and the rotary supporting seat in a clamping and pressing mode.

As a further scheme of the utility model: the rotary supporting seat is connected with the supporting box body through screws, the top line pressing plate is connected with the pressing plate through screws, and the bottom line pressing plate is connected with the supporting box body through screws. The top wire pressing plate and the bottom wire pressing plate are made of copper materials.

As a further scheme of the utility model: the distance between the grounding terminal and the bottom mounting flange is 150 mm.

As a further scheme of the utility model: the box body is of a cylindrical structure.

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

1. according to the transformer box, the top mounting flange with the mounting boss is arranged at the top of the box body and used for mounting the top cover for sealing, so that the mounting strength of the top cover can be ensured, the overall weight of the transformer box can be reduced, and the practicability is high.

2. According to the utility model, the arrangement of the pressure spring above the pressure plate can provide an elastic supporting force for the adjustment of the compression screw, so that the compression screw is prevented from loosening during vibration, and the ground wire can be connected more firmly and reliably.

3. The top wire pressing plate and the bottom wire pressing plate are matched to realize connection of a grounding wire, and the arrangement of the rotary supporting seat and the bearing can ensure that the compression screw can flexibly rotate, so that the rotation of the compression screw is convenient to adjust, and the device is extremely convenient and fast.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a right sectional view of the ground terminal of the present invention.

Fig. 4 is a front view of a pressing plate, a bottom tension plate and a top tension plate of the ground terminal of the present invention.

In the figure: 1. a box body; 2. a bottom mounting flange; 3. mounting holes; 4. a primary in-out line hole pipe; 5. a secondary inlet and outlet wire hole pipe; 6. a flange is arranged at the top; 7. a top cover; 8. a set screw; 9. a drain pipe; 10. mounting a boss; 11. installing a threaded hole; 12. a ground terminal; 1201. supporting the box body; 1202. a compression screw; 1203. rotating the supporting seat; 1204. pressing a plate; 1205. a guide post; 1206. a pressure spring; 1207. a top tension plate; 1208. a bottom wire pressing plate; 1209. a wire inlet hole.

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 4, in the embodiment of the utility model, the airport isolation transformer box with a high waterproof effect comprises a box body 1, a bottom mounting flange 2 is welded at the bottom end of the box body 1, mounting holes 3 are uniformly formed in the periphery of the bottom mounting flange 2 on the box body 1, the box body 1 is of a cylindrical structure, a top mounting flange 6 is welded and sealed at the top of the box body 1, mounting bosses 10 are uniformly distributed on the periphery of the bottom of the top mounting flange 6 in the box body 1, the mounting bosses 10 and the top mounting flange 6 are integrally formed, mounting threaded holes 11 are formed in the top mounting flange 6 above the mounting bosses 10, a top cover 7 is arranged in a stepped hole above the top mounting flange 6, and the top cover 7 and the top mounting flange 6 are connected through fixing screws 8 and the mounting threaded holes 11.

The top mounting flange 6 with the mounting boss 10 is arranged at the top of the box body 1 and used for mounting the top cover 7 for sealing, so that the mounting strength of the top cover 7 can be guaranteed, the whole weight of the transformer box can be reduced, and the practicability is high.

Wherein, be provided with once business turn over line hole pipe 4 on 1 lateral wall of box, be provided with secondary business turn over line hole pipe 5 with once business turn over line hole pipe 4 relative position on 1 lateral wall of box, once business turn over line hole pipe 4 and secondary business turn over line hole pipe 5 all are connected through the card mode of pressing with box 1. The primary wire inlet and outlet hole pipe 4 and the secondary wire inlet and outlet hole pipe 5 can ensure that the inlet and outlet wires of the isolation transformer can smoothly pass through.

Wherein, the bottom mounting flange 2 middle part of 1 bottom of box is provided with the outlet and welds in the drain department and have drain pipe 9, and drain pipe 9 and the inside intercommunication of box 1. The drain pipe 9 can facilitate the drainage of the water inside the case 1.

Wherein, the wall thickness of the box body 1 is 2.8-5mm, and the aperture of the drain pipe 9 is 20-50 mm.

Wherein, fixed mounting has ground terminal 12 on the box 1 inner wall, ground terminal 12 includes supporting box 1201, set up rotation supporting seat 1203 above and below supporting box 1201, set up housing screw 1202 and guide post 1205 between rotation supporting seat 1203, set up pressure plate 1204 that the periphery of housing screw 1202 is located between rotation supporting seat 1203, set up pressure spring 1206 that the periphery of guide post 1205 is located between pressure plate 1204 top and rotation supporting seat 1203, set up top wire pressing plate 1207 at the other end bottom of pressure plate 1204, set up bottom wire pressing plate 1208 that is located top wire pressing plate 1207 below the bottom of supporting box 1201 and open the wire inlet 1209 that is located bottom wire pressing plate 1208 one side on supporting box 1201.

The compression screw 1202 and the rotary support base 1203 are connected through a bearing, the guide post 1205 is in sliding connection with the pressing plate 1204, the pressing plate 1204 is in threaded connection with the compression screw 1202, and the pressure spring 1206 is connected with the pressing plate 1204 and the rotary support base 1203 in a clamping and pressing mode.

Can drive clamp plate 1204 along guide post 1205 up-and-down motion through rotating housing screw 1202, the setting of pressure spring 1206 can provide an elastic holding power for housing screw 1202's regulation, avoids housing screw 1202 not hard up when vibrations, and then ensures that the earth connection can be more firm reliable connection.

The rotary supporting seat 1203 is connected with the supporting box 1201 through screws, the top wire pressing plate 1207 is connected with the pressing plate 1204 through screws, and the bottom wire pressing plate 1208 is connected with the supporting box 1201 through screws. The top tension plate 1207 and the bottom tension plate 1208 are made of copper.

The cooperation of top line ball board 1207 and bottom line ball board 1208 can realize the connection to the ground wire, and rotates the setting of supporting seat 1203 and bearing, can ensure the rotation that housing screw 1202 can be nimble, is convenient for adjust housing screw 1202's rotation, and is extremely convenient.

Wherein the distance between the ground terminal 12 and the bottom mounting flange 2 is 150 mm.

Wherein, the box 1 is a cylindrical box 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a high water-proof effects's airport isolation transformer case, includes box (1), its characterized in that: the welding of box (1) bottom has bottom mounting flange (2), it has evenly seted up mounting hole (3) to lie in box (1) periphery on bottom mounting flange (2), box (1) top welded seal has top mounting flange (6), top mounting flange (6) bottom periphery lies in box (1) inside circumference equipartition and has installation boss (10), installation boss (10) and top mounting flange (6) integrated into one piece, lie in installation boss (10) top on top mounting flange (6) and seted up mounting screw hole (11), be provided with top cap (7) in the step hole of top mounting flange (6) top, top cap (7) are connected through set screw (8) and mounting screw hole (11) with top mounting flange (6).

2. The airport isolation transformer tank with high waterproof effect as claimed in claim 1, wherein: be provided with once business turn over line hole pipe (4) on box (1) a lateral wall, be provided with secondary business turn over line hole pipe (5) with once business turn over line hole pipe (4) relative position on box (1) lateral wall, once business turn over line hole pipe (4) and secondary business turn over line hole pipe (5) all are connected through the card mode of pressing with box (1).

3. The airport isolation transformer tank with high waterproof effect as claimed in claim 1, wherein: the water-saving and water-saving box is characterized in that a water outlet is formed in the middle of a bottom mounting flange (2) at the bottom end of the box body (1), a drain pipe (9) is welded at the position of the water outlet, and the drain pipe (9) is communicated with the interior of the box body (1).

4. The airport isolation transformer tank with high waterproof effect as claimed in claim 3, wherein: the wall thickness of the box body (1) is 2.8-5mm, and the aperture of the drain pipe (9) is 20-50 mm.

5. The airport isolation transformer tank with high waterproof effect as claimed in claim 1, wherein: fixed mounting has ground terminal (12) on box (1) inner wall, ground terminal (12) are including supporting box (1201), set up rotation supporting seat (1203) in supporting box (1201) top and below, compression screw (1202) and guide post (1205) of setting between rotation supporting seat (1203), set up clamp plate (1204) that are located between rotation supporting seat (1203) in compression screw (1202) periphery, set up pressure spring (1206) that are located between clamp plate (1204) top and rotation supporting seat (1203) in guide post (1205) periphery, set up top line ball board (1207) of clamp plate (1204) other end bottom, set up bottom line ball board (1208) that are located top line ball board (1207) below and open and locate inlet wire hole (1209) that are located bottom line ball board (1208) one side on supporting box (1201) bottom supporting box (1201).

6. The airport isolation transformer tank with high waterproof effect of claim 5, wherein: the pressing screw (1202) is connected with the rotating support seat (1203) through a bearing, the guide post (1205) is in sliding connection with the pressing plate (1204), the pressing plate (1204) is in threaded connection with the pressing screw (1202), and the pressure spring (1206) is connected with the pressing plate (1204) and the rotating support seat (1203) in a clamping and pressing mode.

7. The airport isolation transformer tank with high waterproof effect of claim 5, wherein: the rotary supporting seat (1203) is connected with the supporting box body (1201) through screws, the top wire pressing plate (1207) is connected with the pressing plate (1204) through screws, and the bottom wire pressing plate (1208) is connected with the supporting box body (1201) through screws.

8. The airport isolation transformer tank with high waterproof effect of claim 5, wherein: the distance between the grounding terminal (12) and the bottom mounting flange (2) is 150 mm.

9. The airport isolation transformer tank with high waterproof effect as claimed in claim 1, wherein: the box body (1) is a cylindrical box body (1).