CN215578095U - Pressure release valve rain-proof and oil discharge system suitable for bad weather - Google Patents
Pressure release valve rain-proof and oil discharge system suitable for bad weather Download PDFInfo
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- CN215578095U CN215578095U CN202121682410.0U CN202121682410U CN215578095U CN 215578095 U CN215578095 U CN 215578095U CN 202121682410 U CN202121682410 U CN 202121682410U CN 215578095 U CN215578095 U CN 215578095U
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Abstract
The utility model relates to a pressure release valve rainproof and oil discharging system suitable for severe weather, and belongs to the technical field of transformers. The technical scheme is as follows: the rain cover (2) is arranged on a reserved connector of a pressure relief valve mounting flange on the oil tank, the observation window (3) is arranged on the rain cover, and the end cover (1) is arranged at the top of the rain cover; the rain cover is externally connected with an oil guide pipe (4), and the rain cover and the oil guide pipe are firmly connected through a first connecting flange (23); two supports (5) are arranged on the oil guide pipe, and the side of each support close to the wall of the oil guide pipe is welded on the oil tank; the elbow (7) is arranged at the lower part of the oil guide pipe, and the elbow and the oil guide pipe are firmly connected through the second connecting flange (6) to guide the position of the oil discharge port to a far position of the transformer body. The utility model realizes the integration and perfection of the relevant functions of rain protection, observation, wiring, sump oil diversion and the like, and safety inspection personnel can find the state change of the pressure release valve through the inspection window during routine safety inspection and take measures in time to reduce the damage degree to the minimum.
Description
Technical Field
The utility model relates to a pressure release valve rainproof and oil discharging system suitable for severe weather, and belongs to the technical field of transformers.
Background
The pressure relief valve is an important protection device on the transformer (reactor) body, in order to ensure its normal work, the life of extension valve body, generally need to increase rain-proof cover in the valve body outside to this reduces the erosion damage from the environment, but the state and the wiring of pressure relief valve, the maintenance operation difficulty can't directly be observed from the outside to current rain-proof cover structure, when the transformer is inside to break down, pressure relief valve produces the action and can release oil tank internal pressure to squirting transformer (reactor) oil all around, this action can cause very big pollution to transformer body and all around environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pressure release valve rainproof and oil drainage system suitable for severe weather, which avoids the situation that an oil guide pipe occupies too much upper space, realizes integration and perfection of relevant functions such as rainproof protection, observation, wiring, sump oil diversion and the like, and effectively solves the problems in the background art.
The technical scheme of the utility model is as follows: a pressure release valve rainproof and oil drainage system suitable for severe weather comprises an end cover, a rainproof cover, an observation window, an oil guide pipe, a support and an elbow, wherein the rainproof cover is arranged on a reserved interface of a pressure release valve mounting flange on an oil tank, the observation window is arranged on the rainproof cover, and the end cover is arranged at the top of the rainproof cover; the rain cover is externally connected with an oil guide pipe, and the rain cover and the oil guide pipe are firmly connected through a first connecting flange; the two supports are arranged on the oil guide pipe, and the side, close to the tank wall, of each support is welded on the oil tank; the elbow is arranged at the lower part of the oil guide pipe, and the elbow and the oil guide pipe are firmly connected through the connecting flange II, so that the position of the oil discharge port is led to a far position of the transformer body.
The top of the end cover is provided with a handrail, the end cover is connected with the rain cover through a flange plate, and a first sealing washer is arranged at the joint of the end cover and the rain cover.
The observation window comprises tempered glass, openings are symmetrically formed in two sides of the box wall of the rain-proof cover, threaded holes are reserved in the periphery of the openings, an external fixing flange, the tempered glass and a sealing washer II are sequentially arranged on the outer side of the box wall of the rain-proof cover from outside to inside, and the openings in the two sides of the box wall of the rain-proof cover are tightly connected through a fastener I; the inner side of the box wall of the rain cover is also provided with an inner flange, and an outer fixing flange is used for fixing toughened glass.
The support is divided into two parts, namely an adjustable support I and an adjustable support II, and oblong holes in vertical directions are formed in the corresponding positions of the adjustable support I and the adjustable support II and are reliably connected through a fastener II.
The angle of the elbow is matched with the requirements of an installation site.
In the use, install rain-proof cover on the oil tank on the interface that pressure relief valve mounting flange reserved, rain-proof cover external oil pipe of leading, both connect through flange one, lead the transition of oil pipe lower part with the elbow realization, will lead the hydraulic fluid port position and lead to transformer body distant place to can angle regulation as required.
The utility model has the beneficial effects that: by adopting the visual rain cover, safety inspection personnel can find the state change of the pressure release valve through the inspection window during routine safety inspection and take measures in time to reduce the damage degree to the minimum; the top of the rain cover is provided with the end cover, so that the work of wiring, overhauling, maintenance and the like of the pressure release valve is greatly facilitated; in order to prevent the transformer oil from splashing during the action of the pressure release valve, the oil guide pipe is preferably used for guiding the oil flow down, and the elbow is introduced into a proper position, so that the oil injection can be guided to the remote oil pool position of the transformer body at a low position in a transition mode at various angles, the oil guide pipe is prevented from occupying too much upper space, and the integration and the perfection of related functions such as rain protection, observation, wiring, sump oil diversion and the like are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the end cap connection of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of the connection of the observation window of the present invention;
FIG. 6 is a view taken along line A-A of FIG. 5;
FIG. 7 is a view of an embodiment of the elbow angle of the present invention;
FIG. 8 is a second view of an embodiment of the elbow angle of the present invention;
FIG. 9 is a schematic view of the installation of the oil pipe of the present invention;
FIG. 10 is a schematic view of a first adjustable support of the present invention;
FIG. 11 is a schematic structural view of a second adjustable bracket according to the present invention;
in the figure: the device comprises an end cover 1, a rain-proof cover 2, an observation window 3, an oil guide pipe 4, a support 5, a second connecting flange 6, an elbow 7, a wire inlet hole 10, a handrail 11, a flange plate 12, a first sealing washer 13, a first fastening piece 14, an inner flange 15, an outer fixing flange 16, toughened glass 17, a second sealing washer 18, a box wall 19 of the rain-proof cover, a first adjustable support 20, a second adjustable support 21, a second fastening piece 22 and a first connecting flange 23.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments, which are preferred embodiments of the present invention. It is to be understood that the described embodiments are merely a subset of the embodiments of the utility model, and not all embodiments; it should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. 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.
A pressure release valve rainproof and oil drainage system suitable for severe weather comprises an end cover 1, a rainproof cover 2, an observation window 3, an oil guide pipe 4, a bracket 5 and an elbow 7, wherein the rainproof cover 2 is arranged on a reserved interface of a pressure release valve mounting flange on an oil tank, the observation window 3 is arranged on the rainproof cover 2, and the end cover 1 is arranged at the top of the rainproof cover 2; the rain cover 2 is externally connected with an oil guide pipe 4, and the rain cover and the oil guide pipe are firmly connected through a first connecting flange 23; two supports 5 are arranged on the oil guide pipe 4, and the side, close to the wall, of each support 5 is welded on the oil tank; the elbow 7 is arranged at the lower part of the oil guide pipe 4, and the elbow and the oil guide pipe are firmly connected through the second connecting flange 6, so that the position of the oil discharge port is led to a far position of the transformer body.
The top of end cover 1 is equipped with handrail 11, and end cover 1 is connected with rain-proof cover 2 through ring flange 12, and the junction of end cover 1 and rain-proof cover 2 is equipped with seal ring 13.
The observation window 3 comprises toughened glass 17, openings are symmetrically formed in two sides of a box wall 19 of the rain-proof cover, threaded holes are reserved in the periphery of the openings, an external fixing flange 16, the toughened glass 17 and a second sealing washer 18 are sequentially arranged on the outer side of the box wall 19 of the rain-proof cover from outside to inside and are tightly connected through the openings in the two sides of the box wall 19 of the rain-proof cover by a first fastening piece 14; the inner side of the box wall 19 of the rain cover is also provided with an inner flange 15, and an outer fixing flange 16 is used for fixing toughened glass 17.
The support 5 is divided into two parts, namely an adjustable support I20 and an adjustable support II 21, and long round holes in vertical directions are formed in the positions, corresponding to the adjustable support I20 and the adjustable support II 21, of the adjustable support I20 and the adjustable support II 21 and are reliably connected through a fastener II 22.
If fig. 3, 4, end cover 1 and ring flange 12 firm connection, well leakproofness is guaranteed to middle seal ring 13 that adds, install handrail 11 additional on the end cover 1, the loading and unloading of end cover 1 has greatly been made things convenient for, the risk that drops when also having avoided end cover 1 to remove simultaneously, below staff's personal safety has been guaranteed, the security of system has been improved, compare in original wiring hand hole, it still provides bigger operating space, make the work such as wiring, overhaul, maintenance simple and clean, it is convenient, greatly improved work efficiency when guaranteeing construction quality.
If fig. 5 and fig. 6, realize the visual function of rain-proof cover, at first rain-proof cover box wall 19 both sides symmetry trompil, installation screw hole is reserved to the trompil periphery, outside mounting flange 16 is installed in proper order in the rain-proof cover box wall 19 outside (from outside to inside), toughened glass 17 and seal ring two 18, each part passes through a 14 zonulae occludens of fastener, simultaneously in order to improve box wall intensity, increase the installation stability of observation window, an inside flange 15 has been installed additional in rain-proof cover box wall 19 inboard, the wholeness of whole observation window has obtained further enhancement, the succinct pleasing to the eye of appearance has been compromise again when guaranteeing structure quality.
As shown in figures 7 and 8, the elbow is added at the proper position of the lower part of the oil guide pipe, or the elbow with different angles is added through processing, so that the multi-angle guiding of the oil discharge pipe can be realized, and the actual requirements of various installation sites are met.
Meanwhile, in order to ensure that the system can operate safely and stably for a long time, a support 5 is additionally arranged between an oil guide pipe and an oil tank, as shown in fig. 9, fig. 10 and fig. 11, the support 5 is respectively welded on the oil guide pipe and the oil tank, the support 5 is divided into two parts, the middle part of the support is reliably connected through a second fastening piece 22, in the actual installation operation, due to machining errors or operation reasons, the support 5 inevitably shifts in the horizontal direction or the vertical direction, so that the second fastening piece 22 cannot be connected smoothly, and long round holes in the vertical direction are formed in the corresponding positions of a first adjustable support 20 and a second adjustable support 21 of the two parts of the support 5, so that appropriate displacement in the two directions is allowed, the problem that the fastening pieces cannot be connected can be thoroughly solved, and the reliability of the system is further improved.
In practical application, the rain-proof device comprises an end cover 1, a rain-proof cover 2, an observation window 3, an oil guide pipe 4, a support 5, an elbow 7 and other components, and creatively realizes integration and perfection of relevant functions such as rain-proof protection, observation, sump oil diversion and the like. Install rain-proof cover 2 on the oil tank on the interface that pressure relief valve mounting flange reserved, rain-proof cover external oil pipe 4 that leads, both connect through flange one 23, lead 4 lower parts of oil pipe and realize the transition with elbow 7, will lead the hydraulic fluid port position and lead to transformer (reactor) body distant place to can angle regulation as required.
The utility model has multiple advantages, firstly, the observation window 3 on the rain cover 2 has a visual function, and the state of the pressure release valve can be observed outside the transformer (reactor) body through the observation window, so that the problems that the signal cannot be normally transmitted after the pressure release valve acts and the fault hidden danger cannot be timely eliminated are solved; secondly, the visual operation degree is high, the top of the rain cover is a flange and bolt connected detachable end cover structure, and the handrail 11 is matched to facilitate the movement of the end cover 1, so that the rain cover structure is optimized, and the operation is safer and more efficient; and the system preferably uses the oil guide pipe to guide oil flow down, and the elbow is introduced into the proper position, so that oil injection can be guided to a remote position of the transformer (reactor) body by various angle transitions, and the oil guide pipe is prevented from occupying excessive upper space.
Claims (3)
1. The utility model provides a rain-proof and oil extraction system of pressure relief valve suitable for bad weather which characterized in that: the oil tank pressure relief valve installation structure comprises an end cover (1), a rain cover (2), an observation window (3), an oil guide pipe (4), a support (5) and an elbow (7), wherein the rain cover (2) is installed on a reserved connector of a pressure relief valve installation flange on an oil tank, the observation window (3) is arranged on the rain cover (2), and the end cover (1) is arranged at the top of the rain cover (2); the rain cover (2) is externally connected with an oil guide pipe (4), and the rain cover and the oil guide pipe are firmly connected through a first connecting flange (23); two supports (5) are arranged on the oil guide pipe (4), and the side, close to the wall of the tank, of each support (5) is welded on the oil tank; the elbow (7) is arranged at the lower part of the oil guide pipe (4), and the two are firmly connected through the second connecting flange (6), so that the position of the oil discharge port is led to a far position of the transformer body.
2. The pressure relief valve rain and oil drainage system for harsh climates of claim 1, wherein: the top of end cover (1) is equipped with handrail (11), and end cover (1) is connected with rain-proof cover (2) through ring flange (12), and the junction of end cover (1) and rain-proof cover (2) is equipped with seal ring one (13).
3. The pressure relief valve rain and oil drainage system for harsh climates of claim 1, wherein: the observation window (3) comprises tempered glass (17), openings are symmetrically formed in two sides of a box wall (19) of the rain-proof cover, threaded holes are reserved in the periphery of the openings, an external fixing flange (16), the tempered glass (17) and a sealing washer II (18) are sequentially arranged on the outer side of the box wall (19) of the rain-proof cover from outside to inside, and the openings in the two sides of the box wall (19) of the rain-proof cover are tightly connected through a first fastening piece (14); an inner flange (15) is arranged on the inner side of the box wall (19) of the rain cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682410.0U CN215578095U (en) | 2021-07-23 | 2021-07-23 | Pressure release valve rain-proof and oil discharge system suitable for bad weather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682410.0U CN215578095U (en) | 2021-07-23 | 2021-07-23 | Pressure release valve rain-proof and oil discharge system suitable for bad weather |
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| CN215578095U true CN215578095U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121682410.0U Active CN215578095U (en) | 2021-07-23 | 2021-07-23 | Pressure release valve rain-proof and oil discharge system suitable for bad weather |
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| CN (1) | CN215578095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611487A (en) * | 2021-07-23 | 2021-11-05 | 保定天威保变电气股份有限公司 | Pressure release valve rainproof and oil drainage system suitable for severe weather and use method |
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2021
- 2021-07-23 CN CN202121682410.0U patent/CN215578095U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611487A (en) * | 2021-07-23 | 2021-11-05 | 保定天威保变电气股份有限公司 | Pressure release valve rainproof and oil drainage system suitable for severe weather and use method |
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