CN209149899U - A kind of pressure-relief valve for transformer rain cover device - Google Patents
A kind of pressure-relief valve for transformer rain cover device Download PDFInfo
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- CN209149899U CN209149899U CN201920101558.7U CN201920101558U CN209149899U CN 209149899 U CN209149899 U CN 209149899U CN 201920101558 U CN201920101558 U CN 201920101558U CN 209149899 U CN209149899 U CN 209149899U
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- shell
- relief valve
- pressure
- rain cover
- cover device
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Abstract
The utility model discloses a kind of pressure-relief valve for transformer rain cover devices, including shell and bolt fixing hole, the shell is hollow structure, the shell inside dimension and the size of external pressure relief valve match, curved opening slot is offered on the front side wall of the shell, multiple bolt fixing holes are corresponding to be uniformly arranged and opens up that there are two T shape mounting grooves on the upside of curved opening slot, the front-rear side walls of the shell, and is provided with supporting mechanism in T shape mounting groove.The utility model structure is simple; it is convenient and practical; Rainproof shield of pressure release valve is mounted on pressure relief valve by oil spout guide pipe fixing bolt; it ensure that rain cover protects the rain-proof of pressure relief valve; it avoids in transformer station high-voltage side bus, since long-term is exposed to the sun and rain, causes malfunction caused by node short circuit; it ensure that the normal operation of transformer, and meet the requirement of State Grid Corporation of China.
Description
Technical field
The utility model relates to mechanical equipment technical fields more particularly to a kind of pressure-relief valve for transformer rain cover to fill
It sets.
Background technique
Currently, pressure-relief valve for transformer is without rain cover, under the operating condition that power transformer exposes to the sun and rain outdoors for a long time
Operation, will lead to pressure relief valve inner inlet, makes internal element (at secondary line interface Glan) corrosion and damage, cause stress and release
Valve malfunction is put, and influences the safe operation of transformer.
For this purpose, it is proposed that a kind of pressure-relief valve for transformer rain cover device come solve at pressure-relief valve for transformer by
The case where invading in rainwater causes secondary line to be shorted, and pressure relief valve malfunctions guarantees that transformer operates normally.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of transformer pressure proposed
Relief valve rain cover device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of pressure-relief valve for transformer rain cover device, including shell and bolt fixing hole, the shell are hollow knot
Structure, the shell inside dimension and the size of external pressure relief valve match, and offer arc on the front side wall of the shell
Open slot, multiple bolt fixing hole correspondences are uniformly arranged on the upside of curved opening slot, the front-rear side walls of the shell
T shape mounting groove there are two opening up, and supporting mechanism is provided in T shape mounting groove.
Preferably, the shell is a kind of top sealing, and bottom is open cuboid, and the shell is by stainless steel plate
Bending is welded.
Preferably, the bolt fixing hole borrows pressure relief valve oil spout guide pipe fixed bolt hole, and four bolts are solid
Determine hole internal screw thread and is connected with the bolt of M12 × 45.
Preferably, the shell is externally connected to secondary line interface gland head, and shell is to secondary line interface gland head
Have >=50mm blocks.
Preferably, >=100mm is reserved on the shell and pressure relief valve top.
Preferably, the supporting mechanism includes the T-connecting piece being slidably connected in T shape mounting groove, the T-connecting piece
Lower end offer sliding slot, motion bar is slidably connected in the sliding slot, and be threaded on the side wall of T-connecting piece with it is living
The fastening bolt that lever offsets, the lower end of the motion bar are fixedly connected with pedestal, are connected on the side wall of the shell and T shape
The corresponding fixing piece of connector, and be fixedly connected between fixing piece and housing sidewall by screw.
Compared with prior art, the utility model has the following beneficial effects:
1, the utility model structure is simple, convenient and practical, and this rain cover is mounted on pressure relief valve, may be implemented
The rain-proof purpose of pressure relief valve.
2, by setting supporting mechanism, it can guarantee the stability of shell during installation, and can be according to the need used
The height of pedestal is adjusted, in addition, supporting mechanism is installed by fastening bolt, facilitate the installation of supporting mechanism
And disassembly
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of pressure-relief valve for transformer rain cover device of the utility model；
Fig. 2 is a kind of main view of pressure-relief valve for transformer rain cover device of the utility model；
Fig. 3 is a kind of top view of pressure-relief valve for transformer rain cover device of the utility model；
State diagram when Fig. 4 is a kind of supporting mechanism connection of pressure-relief valve for transformer rain cover device of the utility model.
In figure: 1 shell, 2 bolt fixing holes, 3 curved opening slots, 4T shape mounting groove, 5T shape connector, 6 motion bars, 7 bottoms
Seat, 8 fixing pieces.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of pressure-relief valve for transformer rain cover device, including shell 1 and bolt fixing hole 2, shell 1
For hollow structure, shell 1 is a kind of top sealing, and bottom is open cuboid, and shell 1 is by stainless steel plate bending, welding
It forms, 1 inside dimension of shell and the size of external pressure relief valve match, and offer curved opening on the front side wall of shell 1
Slot 3, multiple bolt fixing holes 2 are corresponding to be uniformly arranged in the upside of curved opening slot 3, and bolt fixing hole 2 borrows pressure relief valve
Oil spout guide pipe fixed bolt hole, and four 2 internal screw threads of bolt fixing hole are connected with the bolt of M12 × 45, specifically, shell 1
Be externally connected to secondary line interface gland head, and shell 1 have to secondary line interface gland head >=50mm blocks, shell 1 and pressure
>=100mm is reserved on relief valve top, to avoid pressure relief valve movement is influenced, has fully considered counterweight when carrying out size design
The protection of point position second interface Glan line outlet position, the height dimension of shell 1 are located at gland head position or less about 100mm,
Including gland head is blocked completely, prevent rainwater from directly invading at gland head second interface, meanwhile, there are >=100mm for bottom
Size, to facilitate secondary line that can smoothly be pierced by from bottom, Rainproof shield of pressure release valve upper inside wall is away from the top of pressure relief valve
Reserved size >=100mm, in order to avoid influence pressure relief valve movement.
Wherein, T shape mounting groove 4 there are two being opened up on the front-rear side walls of shell 1, and support is provided in T shape mounting groove 4
Mechanism, specifically, supporting mechanism includes the T-connecting piece 5 being slidably connected in T shape mounting groove 4, the lower end of T-connecting piece 5 is opened
Equipped with sliding slot, motion bar 6 is slidably connected in sliding slot, and be threaded on the side wall of T-connecting piece 5 and offset with motion bar 6
Fastening bolt, the lower end of motion bar 6 is fixedly connected with pedestal 7, is connected on the side wall of shell 1 corresponding with T-connecting piece 5
Fixing piece 8, and be fixedly connected between fixing piece 8 and 1 side wall of shell by screw, by the way that supporting mechanism is arranged, it can guarantee shell
The stability of body 1 during installation, and can the height according to the needs of use to pedestal 7 be adjusted, in addition, supporting mechanism
It is installed by fastening bolt, facilitates the installation and removal of supporting mechanism.
When the utility model is used, pressure relief valve secondary line is installed with spray bar first, then by pressure
Relief valve oil spout guide pipe top is unloaded with the installation bolt of side 4, and Rainproof shield of pressure release valve is passed through 4 bolts on side
Fixation hole 2 is fixed on outside pressure relief valve oil spout guide pipe with the bolt of M12 × 45, so that secondary line is from 1 bottom of rain cover shell
It is pierced by.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of pressure-relief valve for transformer rain cover device, including shell (1) and bolt fixing hole (2), which is characterized in that institute
Stating shell (1) is hollow structure, and shell (1) inside dimension and the size of external pressure relief valve match, the shell
(1) it is offered on front side wall curved opening slot (3), multiple bolt fixing hole (2) correspondences are uniformly arranged in curved opening
The upside of slot (3), opens up that there are two T shape mounting grooves (4) on the front-rear side walls of the shell (1), and in T shape mounting groove (4)
It is provided with supporting mechanism.
2. a kind of pressure-relief valve for transformer rain cover device according to claim 1, which is characterized in that the shell
(1) be a kind of sealing of top, and bottom is open cuboid, the shell (1) by stainless steel plate bending, be welded.
3. a kind of pressure-relief valve for transformer rain cover device according to claim 1, which is characterized in that the bolt is solid
Determine hole (2) and borrow pressure relief valve oil spout guide pipe fixed bolt hole, and four bolt fixing hole (2) internal screw threads are connected with M12
× 45 bolts.
4. a kind of pressure-relief valve for transformer rain cover device according to claim 1, which is characterized in that the shell
(1) be externally connected to secondary line interface gland head, and shell (1) have to secondary line interface gland head >=50mm blocks.
5. a kind of pressure-relief valve for transformer rain cover device according to claim 1, which is characterized in that the shell
(1) >=100mm is reserved with pressure relief valve top.
6. a kind of pressure-relief valve for transformer rain cover device according to claim 1, which is characterized in that the support machine
Structure includes the T-connecting piece (5) being slidably connected in T shape mounting groove (4), and the lower end of the T-connecting piece (5) offers cunning
Slot slidably connects motion bar (6) in the sliding slot, and is threaded on the side wall of T-connecting piece (5) and motion bar (6)
The lower end of the fastening bolt to offset, the motion bar (6) is fixedly connected with pedestal (7), is connected on the side wall of the shell (1)
Fixing piece (8) corresponding with T-connecting piece (5), and be fixedly connected between fixing piece (8) and shell (1) side wall by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101558.7U CN209149899U (en) | 2019-01-22 | 2019-01-22 | A kind of pressure-relief valve for transformer rain cover device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101558.7U CN209149899U (en) | 2019-01-22 | 2019-01-22 | A kind of pressure-relief valve for transformer rain cover device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209149899U true CN209149899U (en) | 2019-07-23 |
Family
ID=67291626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920101558.7U Active CN209149899U (en) | 2019-01-22 | 2019-01-22 | A kind of pressure-relief valve for transformer rain cover device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209149899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535038A (en) * | 2019-09-26 | 2019-12-03 | 广东电网有限责任公司 | A kind of generator car access case rain cover |
-
2019
- 2019-01-22 CN CN201920101558.7U patent/CN209149899U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535038A (en) * | 2019-09-26 | 2019-12-03 | 广东电网有限责任公司 | A kind of generator car access case rain cover |
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| GR01 | Patent grant |