CN213683792U - Explosion door of explosion-proof transformer substation - Google Patents
Explosion door of explosion-proof transformer substation Download PDFInfo
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- CN213683792U CN213683792U CN202021940264.2U CN202021940264U CN213683792U CN 213683792 U CN213683792 U CN 213683792U CN 202021940264 U CN202021940264 U CN 202021940264U CN 213683792 U CN213683792 U CN 213683792U
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Abstract
An explosion-proof door of an explosion-proof transformer substation relates to the technical field of transformer substations and comprises an outer door and an inner door, wherein a flange is arranged around a door opening of a shell, a circle of step groove is arranged at an inner wall port of the flange, the inner door is fixedly arranged on the step groove through a first bolt, and a circle of first sealing strip is arranged between the inner door and the inner wall of the door opening; the outer door buckle is fixedly installed on the flange through a bolt II, two parallel grooves I are formed in the end face of the flange, a groove II is formed in the position, corresponding to the outer door, of the outer door, the outer distance between the groove I and the distance between the groove II are equal, and a sealing strip II is installed in a U-shaped sealing cavity formed by the groove I and the groove II. This novel explosion-proof sealing performance of improvement increases the security that the transformer substation used.
Description
Technical Field
The utility model relates to a transformer substation technical field, concretely relates to explosion-proof transformer substation's explosion vent.
Background
The mine explosion-proof mobile substation is used in mines with explosion hazards, multiple electrical elements of the substation need to be started synchronously in the operation process, mixed gas and coal dust filled with methane are filled in the mines, so that a shell for mounting the electrical elements needs to have better explosion-proof performance, at present, in order to increase the explosion-proof performance, the shell generally selects thickened wall thickness during casting, but at an explosion-proof door, one side of the explosion-proof door is connected by a hinged shaft, the whole explosion-proof door is fixedly mounted by a bolt after being sealed by a circle of sealing ring, when the electrical elements need to be overhauled, the sealing ring is easily failed by repeatedly opening and closing the explosion-proof door, the explosion hazards are increased, and the safety is not very high.
Disclosure of Invention
In order to solve the problem of the prior art, the utility model provides an explosion-proof door of explosion-proof transformer substation improves explosion-proof sealing performance, increases the security that the transformer substation used.
The purpose of the utility model can be realized by the following technical proposal: an explosion door of an explosion-proof transformer substation comprises an outer door and an inner door, wherein a flange is arranged on one circle of a door opening of a shell, a circle of step groove is arranged at an inner wall port of the flange, the inner door is fixedly arranged on the step groove through a first bolt, and a circle of first sealing strip is arranged between the inner door and the inner wall of the door opening; the outer door buckle is fixedly installed on the flange through a bolt II, two parallel grooves I are formed in the end face of the flange, a groove II is formed in the position, corresponding to the outer door, of the outer door, the outer distance between the groove I and the distance between the groove II are equal, and a sealing strip II is installed in a U-shaped sealing cavity formed by the groove I and the groove II.
Preferably, the outer end face of the inner door is flush with the outer end face of the flange. Therefore, when the outer door is installed on the flange and compressed tightly, the outer door also compresses tightly and fixes the inner door, and the outer door also fixes the inner door at the same time of bolt fixed mounting, thereby playing the effect of safety protection.
Preferably, the edge of the explosion vent is provided with a clamping plate with a U-shaped section, and the clamping plate is clamped at the edge of the flange and the edge of the outer door at the same time and is screwed and fixed by a third bolt. The function of cardboard is to make the connection between outer door and the flange more firm.
Preferably, a threaded through hole is machined in the edge of the inner door, the threaded through hole and the first bolt are identical in specification, and the threaded through hole is located in the bottom surface of the stepped groove. When the inner door is disassembled, the bolt is clamped in the step groove, so that the inner door can be ejected out of the step groove by rotating the bolt after the bolt is disassembled and installed in the through hole.
Preferably, one side of the outer door is hinged to the housing through a hinge.
The utility model discloses the combined effect who brings includes: the utility model has simple and reasonable structure and convenient use, increases the explosion-proof safety performance by arranging the double-layer door protection of the inner door and the outer door, in addition, the sealing strip II installed in the U-shaped sealing cavity between the outer door and the flange has certain bending elasticity after being bent, so that the sealing performance is better, and because the two side surfaces of the bent sealing strip II are respectively inserted into the two first grooves in the U-shaped sealing cavity, when the outer door is opened, the sealing strip II is left on the flange, and the sealing strip II is prevented from being peeled off when the outer door is opened; in addition, still install the cardboard between the edge of outer door and flange, the cardboard is with outer door and flange further fixed mounting, further increases explosion-proof security performance.
Drawings
Fig. 1 is the utility model discloses explosion-proof transformer substation's explosion-proof door's main view structure schematic diagram.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
Fig. 3 is a schematic view of the structure at B of fig. 2.
Fig. 4 is the utility model discloses explosion-proof door's of explosion-proof transformer substation C department's structural schematic.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
The invention is further described with reference to the following figures and examples.
Examples
The embodiment of the utility model provides a realize through following technical scheme: an explosion door of an explosion-proof transformer substation comprises an outer door 1 and an inner door 2, wherein one side of the outer door 1 is hinged to a shell 3 through a rotating shaft, a flange 4 is arranged in a circle at the door opening of the shell 3, a circle of step groove 12 is arranged at the inner wall port of the flange 4, the inner door 2 is fixedly installed on the step groove 12 through a first bolt 5, and a circle of sealing strip 6 is installed between the inner door 2 and the inner wall of the door opening; the outer door 1 is buckled on the flange 4 and fixedly installed through a second bolt 7, two parallel first grooves 8 are formed in the end face of the flange 4, a second groove 9 is formed in the position, corresponding to the outer door 1, of the outer door, the outer distance between the first grooves 8 is equal to the distance between the second grooves 9, and a second sealing strip 10 is installed in a U-shaped sealing cavity formed by the first grooves 8 and the second grooves 9.
Further, in the present embodiment, the outer end face of the inner door 2 is flush with the outer end face of the flange 4. Therefore, when the outer door 1 is installed on the flange 4 and pressed, the outer door 1 also presses and fixes the inner door 2, the inner door 2 is fixedly installed on the first bolt 5, and the outer door 1 also fixes the inner door 2, so that the effect of safety protection is achieved.
Further, in this embodiment, a clamping plate 11 with a U-shaped cross section is installed at the edge of the explosion vent, and the clamping plate 11 is clamped at the edge of the flange 4 and the outer door 1 at the same time and is fastened and fixed by a third bolt 14. The purpose of the catch plate 11 is to make the connection between the outer door 1 and the flange 4 more secure.
Further, in this embodiment, a threaded through hole 13 is formed at an edge of the inner door 2, the threaded through hole 13 and the bolt one 5 have the same specification, and the threaded through hole 13 is located at a bottom surface of the stepped groove 12. When the inner door 2 is detached, the bolt 5 is detached and installed in the through hole because the inner door 2 is clamped in the stepped groove 12, and then the inner door 2 can be ejected out of the stepped groove 12 by rotating the bolt 5.
The embodiment of the utility model provides a comprehensive effect brought includes: the utility model has simple and reasonable structure and convenient use, increases the explosion-proof safety performance by arranging the double-layer door protection of the inner door 2 and the outer door 1, in addition, the sealing strip two 10 arranged in the U-shaped sealing cavity between the outer door 1 and the flange 4 has certain bending elasticity after being bent, so that the sealing performance is better, and because the two side surfaces of the bent sealing strip two 10 are respectively inserted into the two grooves I8 in the U-shaped sealing cavity, when the outer door 1 is opened, the sealing strip two 10 is left on the flange 4, and the sealing strip two 10 is prevented from being peeled off when the outer door 1 is opened; in addition, still install cardboard 11 between the edge of outer door 1 and flange 4, cardboard 11 is with outer door 1 and flange 4 further fixed mounting, further increases explosion-proof security performance.
The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described above with reference to the preferred embodiments, but the scope of protection of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.
Claims (5)
1. The explosion-proof door of the explosion-proof transformer substation is characterized by comprising an outer door and an inner door, wherein a flange is arranged on one circle of a door opening of a shell, a circle of step grooves are formed in the end opening of the inner wall of the flange, the inner door is fixedly installed on the step grooves through first bolts, and a circle of first sealing strips are installed between the inner door and the inner wall of the door opening; the outer door buckle is fixedly installed on the flange through a bolt II, two parallel grooves I are formed in the end face of the flange, a groove II is formed in the position, corresponding to the outer door, of the outer door, the outer distance between the groove I and the distance between the groove II are equal, and a sealing strip II is installed in a U-shaped sealing cavity formed by the groove I and the groove II.
2. The explosion vent of an explosion proof substation of claim 1, wherein the outer end face of the inner door is flush with the outer end face of the flange.
3. The explosion-proof transformer substation explosion door according to claim 2, wherein a clamping plate with a U-shaped cross section is installed at the edge of the explosion-proof door, and the clamping plate is clamped at the edge of the flange and the outer door at the same time and is fastened and fixed by a bolt III.
4. The explosion vent of an explosion-proof substation according to claim 3, characterized in that a threaded through hole is processed at the edge of the inner door, the threaded through hole and the bolt I have the same specification, and the threaded through hole is located at the bottom surface of the stepped groove.
5. The explosion vent of an explosion proof substation of claim 4, wherein one side of the outer door is hinged on the housing by a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940264.2U CN213683792U (en) | 2020-09-07 | 2020-09-07 | Explosion door of explosion-proof transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940264.2U CN213683792U (en) | 2020-09-07 | 2020-09-07 | Explosion door of explosion-proof transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213683792U true CN213683792U (en) | 2021-07-13 |
Family
ID=76746609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021940264.2U Active CN213683792U (en) | 2020-09-07 | 2020-09-07 | Explosion door of explosion-proof transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213683792U (en) |
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2020
- 2020-09-07 CN CN202021940264.2U patent/CN213683792U/en active Active
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