CN216121462U

CN216121462U - Top ventilation device that distribution box becomes

Info

Publication number: CN216121462U
Application number: CN202121875325.6U
Authority: CN
Inventors: 刘磊; 夏增雨; 董中义; 刘沛; 李�杰; 李燕; 滕珂帅; 路龙; 王涛; 陈振华
Original assignee: SHANDONG AIPU ELECTRICAL EQUIPMENT CO Ltd
Current assignee: SHANDONG AIPU ELECTRICAL EQUIPMENT CO Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-22
Anticipated expiration: 2031-08-11

Abstract

The utility model belongs to the technical field of power equipment, and particularly relates to a top ventilation device of a distribution box transformer substation. The top box comprises a top box panel and a fixed seat, wherein the fixed seat is positioned in the middle of the top surface of the top box panel; the cover body is positioned on the fixed seat and detachably connected with the fixed seat, a grid is circumferentially arranged in a cavity of the cover body, ventilation openings are formed in the two sides of the grid in an array mode, and a driving device is arranged in the cavity of the cover body; according to the utility model, ventilation is carried out through the ventilation openings arranged through the grid array in the cover body arranged at the upper end of the box top panel, the driving motor is arranged at the top end of the supporting frame in a matched mode to drive the fan blades to rotate, and the fan blades are fixedly connected with the driving motor, so that air in the box top panel flows out under the rotation of the fan blades, and the box top panel is connected with the fan blades through bolts instead of a welding mode, thus the mounting efficiency is improved, the time is saved, and the fan can be dismounted from the outside through the box transformer, and the maintenance is convenient.

Description

Top ventilation device that distribution box becomes

Technical Field

The utility model relates to the technical field of power equipment, in particular to a top ventilation device of a distribution box transformer substation.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The shield machine is heavy engineering machinery with high technical content, and is widely used for tunnel construction and urban subway construction; the shield machine box transformer serves as a shield and mainly provides a safe and reliable power supply for the shield machine. As the shield machine generally works underground, the environment is severe, moist and large in dust, and the temperature is higher, the protection grade of the shell of the shield box transformer is not lower than I P55. Higher protection levels mean better sealing, but the high internal temperatures require ventilation to be achieved; the internal environment is not good and the service life of the equipment material is reduced.

The prior art has the defects that the protection grade of the ventilation protection net at the top of the box transformer substation is extremely difficult to meet the requirement due to the ventilation requirement in general conditions, and the protection net is difficult to disassemble and replace on site due to the narrow space.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a top ventilation device of a distribution box transformer substation, which changes a welding mode of a box top panel into a bolt connection mode, thereby not only improving the installation efficiency and saving the time, but also completing the disassembly of a fan from the outside of the box transformer substation, and facilitating the maintenance.

In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions:

a top ventilation device of a distribution box transformer substation comprises a top box panel, wherein a fixed seat is arranged in the middle of the top surface of the top box panel; the fixing seat is provided with a cover body which can be detachably connected, a grid is arranged in the cavity of the cover body in the circumferential direction, ventilation openings are formed in the two sides of the grid in an array mode, and a driving device is arranged in the cavity of the cover body.

Further, a ventilation box is arranged in the middle of the bottom surface of the top box panel.

Furthermore, a support frame for supporting the driving device is arranged in the cavity of the cover body.

Further, the driving device comprises a driving motor for driving the fan blade to rotate.

Furthermore, a filtering device is arranged in the cavity of the cover body close to the vent.

Further, the lower end of the cover body is fixedly connected with a first fixing ring, and the outer part of the fixing ring

Furthermore, the diameter is larger than the diameter of the cover body, and through holes are arrayed on the upper end face of the fixing ring.

Further, the fixing base includes the joint ring, the joint ring outside is provided with the solid fixed ring of the solid fixed ring assorted second with first, and the solid fixed ring up end array of second has the through-hole.

Further, ventilative case includes the mounting panel, the mounting panel bottom is provided with the protection strip, and has seted up the notch between the protection strip.

Furthermore, the vertical supporting shaft is fixedly connected to the protective strip, and spiral blades are arranged at the top end of the supporting shaft.

Furthermore, the top surface of the cover body is provided with a handle rod, and the surface of the handle rod is provided with an anti-skid layer.

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

the utility model has the beneficial effects that:

1. according to the utility model, ventilation is carried out through the ventilation openings arranged through the grid array in the cover body arranged at the upper end of the box top panel, the driving motor is arranged at the top end of the supporting frame in a matched mode to drive the fan blades to rotate, and the fan blades are fixedly connected with the driving motor, so that air in the box top panel flows out under the rotation of the fan blades, and the box top panel is connected with the fan blades in a bolt mode instead of a welding mode, so that the mounting efficiency is improved, the time is saved, the fan can be dismounted from the outside through the box transformer, and the maintenance is convenient.

2. According to the utility model, the gas pumped from the outside is filtered through the filter layer arranged on one side of the air hole, so that the damage of the internal electric element caused by the external dust entering the inside is avoided.

3. In the utility model, the fixed seat is arranged outside the clamping ring, so that the mechanical strength can be increased, and on the other hand, liquid outside can be prevented from flowing into the box, particularly the through hole position of the screw connection, so as to be used as waterproof double protection.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic structural diagram of a top ventilation device of a distribution box transformer substation according to the present invention;

FIG. 2 is an exploded view of the top box panel of the present invention;

FIG. 3 is a schematic structural view of a cover according to the present invention;

fig. 4 is a schematic structural view of the ventilation box of the present invention.

The scores in the figure represent: 1. a top box panel; 2. a fixed seat; 21. a second retaining ring; 22. a nut hole; 23. a snap ring; 3. a cover body; 31. a grid; 32. a vent; 33. a first retaining ring; 34. a nut bolt; 35. a support frame; 36. a drive motor; 37. a fan blade; 38. a filter frame; 39. air holes are formed; 4. a handle bar; 5. a gas permeable box; 51. mounting a plate; 52. a protective strip; 53. helical leaves; 54. and supporting the shaft.

The specific implementation mode is as follows:

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.

Referring to fig. 1 to 4, a top ventilation device of a distribution box transformer substation, as an embodiment of the present invention, includes a top box panel, wherein a fixed seat is disposed in the middle of the top surface of the top box panel 1; the fixed seat is provided with a detachably connected cover body, and the fixed seat and the cover body can be connected through bolts; a grating is circumferentially arranged in the cavity of the cover body, ventilation openings are formed in the two sides of the grating in an array mode, a driving device is arranged in the cavity of the cover body, a ventilation box 5 is arranged below the bottom surface of the top box panel 1, and the ventilation box is located in the middle of the bottom surface of the top box panel 1; a supporting frame 35 is arranged in the cavity of the cover body 3, a driving motor 36 is arranged on the supporting frame 35, the driving motor 36 is fixedly connected with fan blades 37, and the fan blades 37 are driven to rotate; make the air in the roof panel 1 of the case outflow with inside gas under the rotation of flabellum 37, adopt swing joint between fixing base and the lid, not only improved the installation effectiveness, practiced thrift the time, the case becomes in addition and can accomplish the dismantlement to the fan from the outside, convenient the maintenance.

Furthermore, a filter frame 38 is arranged on the inner wall of the cavity of the cover body 3 close to the ventilation opening 32; the side surface of the filter frame 38 is provided with air holes 39 in an array manner, and a filter layer is arranged between the filter frame 38 and the cover body 3; the gas pumped from the outside is filtered through the filter layer arranged on one side of the air hole 39, so that the damage of internal electric elements caused by external dust entering the inside is avoided;

the lower end of the cover body 3 is fixedly connected with a first fixing ring 33, and nut bolts 34 are arranged at the upper end of the first fixing ring 33 in an array manner; the fixing seat comprises a clamping ring, a second fixing ring matched with the first fixing ring is arranged on the outer side of the clamping ring, nut holes 22 are formed in the upper end face array of the second fixing ring, and the nut holes 22 are in threaded connection with nut bolts 34;

the second fixing ring 21 arranged outside the clamping ring 23 can increase mechanical strength and prevent outside liquid from flowing into the box, particularly the through hole position of screw connection, and is used for waterproof double protection;

the ventilation box 5 comprises a mounting plate 51, the bottom end of the mounting plate 51 is provided with protective strips 52, and notches are formed between the protective strips 52; the upper end of the protective strip 52 is fixedly connected with a supporting shaft 54, and the top end of the supporting shaft 54 is provided with a spiral blade 53; a handle rod 4 is arranged at the top end of the cover body 3, and an anti-skid layer is arranged on the surface of the handle rod 4; the anti-slip layer can be a corrugated anti-slip structure sleeved on the handle or arranged on the surface of the handle.

The top end of the cover body 3 is provided with the handle rod 4, so that the mounting efficiency is improved, the time is saved, the fan 37 can be dismounted from the outside of the box body, and the maintenance is convenient.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims

1. The top ventilation device for the distribution box transformer substation comprises a top box panel and is characterized in that a fixed seat is arranged in the middle of the top surface of the top box panel; the fixing seat is provided with a cover body which can be detachably connected, a grid is arranged in the cavity of the cover body in the circumferential direction, ventilation openings are formed in the two sides of the grid in an array mode, and a driving device is arranged in the cavity of the cover body.

2. The top vent of a distribution box transformer substation of claim 1, wherein a gas permeable box is provided in the middle of the bottom surface of the top box panel.

3. The top vent of a distribution box transformer substation of claim 1, wherein a support frame for supporting a drive device is disposed within the cover cavity.

4. The electrical distribution box substation top ventilation device of claim 1, wherein the drive device comprises a drive motor for driving rotation of a fan blade.

5. The electrical distribution box substation top vent apparatus of claim 1, wherein a filter device is disposed in the cover cavity proximate the vent opening.

6. The top ventilation device of a distribution box transformer substation as claimed in claim 1, wherein the lower end of the cover body is fixedly connected with a first fixing ring, the outer ring diameter of the fixing ring is larger than that of the cover body, and through holes are arrayed on the upper end face of the fixing ring.

7. The top ventilation device of the distribution box transformer substation as claimed in claim 1, wherein the fixing seat comprises a clamping ring, a second fixing ring matched with the first fixing ring is arranged outside the clamping ring, and through holes are arrayed on the upper end face of the second fixing ring.

8. The top ventilation device of a distribution box transformer substation as claimed in claim 2, wherein the ventilation box comprises a mounting plate, the bottom end of the mounting plate is provided with guard bars, and notches are formed between the guard bars.

9. The top ventilation device of a distribution box transformer substation as claimed in claim 8, wherein a vertical support shaft is fixedly connected to the guard bar, and a spiral blade is arranged at the top end of the support shaft.

10. The top ventilation device of a distribution box transformer substation as claimed in claim 1, wherein the top surface of the cover body is provided with a handle bar, and the surface of the handle bar is provided with an anti-slip layer.