CN213879164U

CN213879164U - Wind power generation connecting pipeline flange plate

Info

Publication number: CN213879164U
Application number: CN202023267471.9U
Authority: CN
Inventors: 钟智祎; 钟颖
Original assignee: Zhuzhou Zhongda Machinery Co ltd
Current assignee: Zhuzhou Zhongda Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-03
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a wind power generation connecting pipe flange dish, including two sections pipelines, be provided with the connecting pipe piece on the looks remote site outer wall of two sections pipelines, connect soon through the screw thread between pipeline and the connecting pipe piece, be provided with outer protection mechanism on the looks remote site outer wall of two connecting pipe pieces, the looks remote site port of two connecting pipe pieces is provided with interconnection mechanism in being in outer protection mechanism. The utility model discloses, through the double-deck protection of outer protection mechanism and interconnection mechanism, improved the sealing performance of pipe connection department greatly, reduce the repair rate of device, improve the life of device, just the utility model discloses a simple and easy card and mechanism are connected, and it is more convenient to overhaul the change part, has reduced staff's the maintenance degree of difficulty, has improved the practicality of device.

Description

Wind power generation connecting pipeline flange plate

Technical Field

The utility model relates to a flange joint technical field especially relates to a wind power generation connects pipeline flange dish.

Background

Flange joints are mechanical joints formed by sealing flanges with gaskets, and are commonly used for connecting pipe sections and pipes with larger diameters by tightening bolts.

To a wind power generation connecting pipe flange dish, because wind generating set mostly is located the place of keeping away from urban crowd, it is relatively troublesome to overhaul, consequently need long-term ring flange to connect its pipe fitting and seal, reduce the rate of reprocessing, and current ring flange is connected two flanges through the bolt more, this mode is relatively poor in leakproofness, the bolt exposes outside easy corrosion not hard up, it influences cable transmission work to probably lead to the rainwater to get into the pipeline internal corrosion, can cause great economic loss. To this end, we propose a wind power generation connecting pipe flange to solve the above problems.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a flange plate for a wind power generation connecting pipeline.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a flange plate for a wind power generation connecting pipeline comprises two sections of pipelines, wherein connecting pipe fittings are arranged on the outer walls of the opposite ends of the two sections of pipelines, the pipelines and the connecting pipe fittings are connected in a screwed mode through threads, outer protection mechanisms are arranged on the outer walls of the opposite ends of the two connecting pipe fittings, and inner connection mechanisms are arranged in the outer protection mechanisms at the ports of the opposite ends of the two connecting pipe fittings.

Preferably, the outer protection mechanism comprises two outer casing shells welded on the two pipe connecting pieces symmetrically, and flange pieces are welded on the outer walls of the joints of the opposite surfaces of the two outer casing shells symmetrically.

Preferably, a plurality of bolts penetrate through the two flange pieces, an air valve is arranged on one side face of each outer casing, a second gasket is arranged at the joint of the opposite faces of the two outer casings, and inert gas is filled into the two outer casings through the air valves.

Preferably, the inner connecting mechanism comprises a first connecting plate and a third connecting plate which are symmetrically welded on the two connecting pipe fittings, the first connecting plate, the third connecting plate and the two connecting pipe fittings are communicated, and a first gasket is arranged at a joint between the first connecting plate and the third connecting plate.

Preferably, the embedding has T shape rotary pipe between the opposite face with the third connecting plate on the first connecting plate, the welding has the second connecting plate on the T shape rotary pipe between the opposite face with the third connecting plate, anti-skidding line has been seted up on the outer lane wall of second connecting plate, the welding has the intubate on the second connecting plate between the opposite face with the third connecting plate, evenly seted up round inclined plane arc groove on the outer wall of intubate, T shape rotary pipe and second connecting plate and intubate link up with the pipe fitting each other.

Preferably, a through hole matched with the insertion tube is formed in the third connecting plate, an elastic cavity is formed in the position, corresponding to the inclined plane arc groove, on the inner side wall of the through hole, a clamping column matched with the inclined plane arc groove is embedded into the elastic cavity, a supporting piece matched with the elastic cavity is arranged at one end, in the elastic cavity, of the clamping column, and a spring is arranged between the supporting piece and the elastic cavity.

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

1. through the arranged internal connection mechanism, the connecting pipe fitting is tightly screwed with the pipeline, the two outer sleeves are pulled towards opposite directions, the first connecting plate and the third connecting plate in the outer sleeves are leaked, the insertion pipe is inserted into the through hole of the third connecting plate, the clamping column is extruded by the side wall of the insertion pipe, the clamping column compression spring contracts to enter the elastic cavity, the insertion pipe is rotated through the anti-slip pattern, the inclined plane arc groove on the side wall of the insertion pipe automatically slides to the clamping column, the clamping column automatically rebounds and is clamped with the inclined plane arc groove, and the anti-slip pattern can be withdrawn from the connection of the first connecting plate and the third connecting plate by reversely rotating, so that the aim of quickly connecting the pipeline is fulfilled;

2. through the outer protection mechanism who sets up, after finishing connecting first connecting plate and third connecting plate, two outer sheathes are drawn towards opposite direction, two flange pieces joints on two outer sheathes, fix with the bolt is preliminary, inject the inert gas of the capacity into the totally enclosed cavity through the pneumatic valve in to two outer sheathes, the bolt is screwed again, two flange pieces extrude the second gasket, two outer sheathes are sealed, in order to reach better rust-resistant purpose of corroding, the inert gas of rushing into can completely cut off most oxygen and the contact of hydrone and each part of interconnection mechanism, it can be used for a long time to protect it, and the inert gas low price, the economic benefits of device has been improved.

Drawings

Fig. 1 is a perspective view of a flange plate for connecting pipelines in wind power generation of the present invention.

Fig. 2 is a schematic side sectional view of fig. 1.

Fig. 3 is a schematic cross-sectional projection structure of the normal connection in fig. 2.

In the figure: 1. a pipeline; 2. a pipe connecting piece; 3. an outer casing; 4. a flange sheet; 5. a bolt; 6. an air valve; 7. a first connecting plate; 8. t-shaped rotating pipes; 9. a second connecting plate; 10. anti-skid lines; 11. inserting a tube; 12. an inclined arc groove; 13. a third connecting plate; 14. a bullet cavity; 15. clamping the column; 16. a resisting sheet; 17. a spring; 18. a first gasket; 19. a second gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a wind power generation connecting pipe flange comprises two sections of pipes 1, wherein the outer walls of the opposite ends of the two sections of pipes 1 are provided with connecting pipe fittings 2, the pipes 1 are screwed with the connecting pipe fittings 2 through threads, the outer walls of the opposite ends of the two connecting pipe fittings 2 are provided with outer protection mechanisms, and the ports of the opposite ends of the two connecting pipe fittings 2 are positioned in the outer protection mechanisms and are provided with inner connection mechanisms.

Outer protection mechanism is including two outer shells 3 of symmetrical welding on two connect pipe fittings 2, and two outer shells 3 are made for stainless steel corrugated hose material, pulls open two outer shells 3 and can operate its inside interconnection mechanism, and equal symmetrical welding has flange piece 4 on the opposite face junction outer wall of two outer shells 3.

Run through between two flange pieces 4 and be provided with a plurality of bolt 5, two flange pieces 4 are through a plurality of bolt 5 fixed connection, are provided with pneumatic valve 6 on the side of outer jacket shell 3, and the opposite face junction of two outer jacket shells 3 is provided with second gasket 19 to play sealed effect to the space between two outer jacket shells 3, two outer jacket shells 3 are inside to be gone into through pneumatic valve 6 and have been gone into inert gas, and inert gas protects interconnection mechanism, reduces the probability of oxidation corrosion.

The internal connection mechanism comprises a first connecting plate 7 and a third connecting plate 13 which are symmetrically welded on the two connecting pipe fittings 2, the first connecting plate 7, the third connecting plate 13 and the two connecting pipe fittings 2 are communicated, and a first gasket 18 is arranged at the joint between the first connecting plate 7 and the third connecting plate 13 so as to play a role in sealing and protecting the pipeline 1.

Embedding has T shape rotary pipe 8 between the opposite face with third connecting plate 13 on the first connecting plate 7, the welding has second connecting plate 9 on the T shape rotary pipe 8 between the opposite face with third connecting plate 13, antiskid line 10 has been seted up on the outer lane wall of second connecting plate 9, can rotate T shape rotary pipe 8 through rotatory outside antiskid line 10, the welding has intubate 11 on the second connecting plate 9 between the opposite face with third connecting plate 13, the one end that deviates from with second connecting plate 9 on intubate 11 is the setting of arc button head, round inclined plane arc groove 12 has evenly been seted up on intubate 11's the outer wall, T shape rotary pipe 8 and second connecting plate 9 and intubate 11 link up each other with connecting tube spare 2.

Set up on the third connecting plate 13 with intubate 11 assorted through-hole, bullet chamber 14 has been seted up to the position department that corresponds inclined plane arc groove 12 on the through-hole inside wall, bullet chamber 14 is gone up the embedding have with inclined plane arc groove 12 assorted card post 15, the one end in bullet chamber 14 on the card post 15 is provided with bullet chamber 14 assorted to the piece 16, it is provided with spring 17 to support between piece 16 and the bullet chamber 14, spring 17 is the extension state under the natural condition, insert intubate 11, intubate 11 can be through arc button head extrusion card post 15, then rotate intubate 11 through rotating T shape rotating tube 8, inclined plane arc groove 12 on the intubate 11 is automatic to be blocked and card post 15, the reverse rotation T shape rotating tube 8 can make card post 15 withdraw from inclined plane arc groove 12.

The working principle of the utility model is that, the pipe fitting 2 is tightly screwed with the pipeline 1, two outer casings 3 are pulled towards opposite directions, the first connecting plate 7 and the third connecting plate 13 in the outer casing 3 are leaked, the inserting pipe 11 is inserted into the through hole of the third connecting plate 13, the inserting pipe 11 side wall extrudes the clamping column 15, the clamping column 15 compression spring 17 contracts to enter the elastic cavity 14, the inserting pipe 11 is rotated through the anti-skid grains 10, the inclined plane arc groove 12 on the inserting pipe 11 side wall automatically slides to the clamping column 15, the clamping column 15 automatically rebounds and is clamped with the inclined plane arc groove 12, and the anti-skid grains 10 can be reversely rotated to withdraw from the connection of the first connecting plate 7 and the third connecting plate 13.

After the first connecting plate 7 and the third connecting plate 13 are connected, the two outer casings 3 are pulled towards opposite directions, the two flange pieces 4 on the two outer casings 3 are jointed and are primarily fixed by the bolts 5, sufficient inert gas is injected into the incompletely-closed cavities in the two outer casings 3 through the air valve 6, the bolts 5 are screwed again, and the two flange pieces 4 extrude the second gasket 19 to seal the two outer casings 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The flange plate for the wind power generation connecting pipeline comprises two sections of pipelines (1) and is characterized in that a connecting pipe fitting (2) is arranged on the outer wall of the opposite end of each of the two sections of pipelines (1), the pipelines (1) and the connecting pipe fittings (2) are connected in a screwed mode through threads, an outer protection mechanism is arranged on the outer wall of the opposite end of each of the two connecting pipe fittings (2), and an inner connection mechanism is arranged in the outer protection mechanism at the port of the opposite end of each of the two connecting pipe fittings (2).

2. The wind power generation connecting pipeline flange plate according to claim 1, wherein the outer protection mechanism comprises two outer casings (3) symmetrically welded on two connecting pipe fittings (2), and flange plates (4) are symmetrically welded on the outer walls of the joints of the opposite surfaces of the two outer casings (3).

3. The wind power generation connecting pipeline flange plate according to claim 2, wherein a plurality of bolts (5) are arranged between the two flange plates (4) in a penetrating manner, an air valve (6) is arranged on one side surface of the outer casing (3), a second gasket (19) is arranged at the joint of the opposite surfaces of the two outer casings (3), and inert gas is filled into the two outer casings (3) through the air valve (6).

4. A wind power connection pipe flange according to claim 3, characterized in that the inner connection mechanism comprises a first connection plate (7) and a third connection plate (13) welded symmetrically on the two connection pipe members (2), the first connection plate (7) and the third connection plate (13) and the two connection pipe members (2) are communicated with each other, and a first gasket (18) is arranged at the joint between the first connection plate (7) and the third connection plate (13).

5. The wind power generation connecting pipeline flange plate according to claim 4, wherein a T-shaped rotating pipe (8) is embedded between the opposite surfaces of the first connecting plate (7) and the third connecting plate (13), a second connecting plate (9) is welded between the opposite surfaces of the T-shaped rotating pipe (8) and the third connecting plate (13), anti-slip threads (10) are formed in the outer ring wall of the second connecting plate (9), an inserting pipe (11) is welded between the opposite surfaces of the second connecting plate (9) and the third connecting plate (13), a circle of inclined arc groove (12) is uniformly formed in the outer wall of the inserting pipe (11), and the T-shaped rotating pipe (8), the second connecting plate (9), the inserting pipe (11) and the connecting pipe fitting (2) are communicated with each other.

6. The wind power generation connecting pipeline flange plate according to claim 5, wherein a through hole matched with the insertion pipe (11) is formed in the third connecting plate (13), an elastic cavity (14) is formed in the position, corresponding to the inclined plane arc groove (12), on the inner side wall of the through hole, a clamping column (15) matched with the inclined plane arc groove (12) is embedded in the elastic cavity (14), a pressing piece (16) matched with the elastic cavity (14) is arranged at one end, in the elastic cavity (14), of the clamping column (15), and a spring (17) is arranged between the pressing piece (16) and the elastic cavity (14).