CN206904445U - Water-turbine top cover drainpipe and machine hole attachment structure - Google Patents
Water-turbine top cover drainpipe and machine hole attachment structure Download PDFInfo
- Publication number
- CN206904445U CN206904445U CN201720809414.8U CN201720809414U CN206904445U CN 206904445 U CN206904445 U CN 206904445U CN 201720809414 U CN201720809414 U CN 201720809414U CN 206904445 U CN206904445 U CN 206904445U
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- China
- Prior art keywords
- sealing ring
- intubation
- machine hole
- sealing
- pad
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Abstract
The utility model embodiment provides a kind of water-turbine top cover drainpipe and machine hole attachment structure, including：Drainpipe, elbow, intubation and sealing；The first end of drainpipe and elbow connects；The first end of intubation and the second end of elbow are connected by flange, in the opening in the second end insertion machine hole of intubation；Sealing is set in the periphery of intubation, and sealing is fixedly connected with machine hole；Wherein, sealing includes compressed part and pad, compressed part is connected by connector with machine hole, pad is arranged between compressed part and machine hole, the pad inner surface relative with being intubated is provided with the first sealing ring, pad cheats relative side with machine and is provided with the second sealing ring, and the compressed part inner surface relative with being intubated is provided with the 3rd sealing ring；It is interference fit between intubation and the first sealing ring and the 3rd sealing ring.Attachment structure provided by the utility model can be buffered effectively to be vibrated caused by the hydraulic turbine, prevents the phenomenon that attachment structure leaks caused by being damaged because of vibration from occurring.
Description
Technical field
The utility model embodiment is related to water wheels mechanical equipment technical field, more particularly to a kind of water-turbine top cover drainpipe
Attachment structure is cheated with machine.
Background technology
With the continuous development of science and technology, the increasing electric power energy of living needs of people is supplied, the thing followed
It is newly-built more water-power plants.Various technical problems also continuously emerge during the use of water-power plant.For example, by
Vibration can be produced at work in the hydraulic turbine of water-power plant, and typically by with curved between the top cover of the hydraulic turbine and machine hole
The pipeline Hard link structure of head is attached, due to the continuous vibration of the hydraulic turbine during long-term use so that top cover and machine
Hard link structure between hole is easy to damage under the effect of vibration of horizontal and vertical power, ultimately causes the phenomenon hair of leak
Raw, this has had a strong impact on the normal operation of water-power plant.
Utility model content
The purpose of the utility model embodiment is, there is provided a kind of water-turbine top cover drainpipe and machine hole attachment structure, with
Effectively vibrated caused by the buffering hydraulic turbine, prevent the phenomenon that attachment structure leaks caused by being damaged because of vibration from occurring.
A kind of water-turbine top cover drainpipe and machine hole attachment structure are provided according to the utility model embodiment, including：Row
Water pipe, elbow, intubation and sealing；The first end of drainpipe and elbow connects；The first end of intubation and the second end of elbow lead to
Flange connection is crossed, the second end of intubation is inserted in the opening in machine hole；Sealing is set in the periphery of intubation, and sealing and machine hole are solid
Fixed connection；Wherein, sealing includes compressed part and pad, and compressed part is connected by connector with machine hole, and pad is arranged on pressure
Between tight portion and machine hole, the pad inner surface relative with being intubated is provided with the first sealing ring, and pad is cheated relative side with machine and is provided with
Second sealing ring, the compressed part inner surface relative with being intubated are provided with the 3rd sealing ring；Intubation and the first sealing ring and the 3rd sealing
It is interference fit between circle.
Alternatively, machine hole end is provided with adpting flange, and compressed part is connected with adpting flange by connector, the second sealing ring
It is arranged on the pad side relative with adpting flange.
Alternatively, the first end of drainpipe and elbow is connected by flange.
Alternatively, the cross section of the first sealing ring, the second sealing ring and the 3rd sealing ring be rectangle either triangle or
It is circular.
Alternatively, pad is provided with least the first sealing ring and/or at least one of second sealing ring together, and/or, compress
Portion is provided with least one of the 3rd sealing ring.
Alternatively, the 3rd sealing ring is right angled triangle, and the 3rd sealing ring is arranged on the intersection of compressed part and pad, directly
One right-angle side of angle triangle and the side of pad fit, and another right-angle side and the intubation of right angled triangle fit.
Water-turbine top cover drainpipe and machine the hole attachment structure that the present embodiment provides, by setting intubation and by the of intubation
One end is connected with elbow flange, will be fixedly connected in the second end insertion machine hole of intubation rather than with machine hole, is so worked as water
, can be by being intubated the motion in machine hole relatively come buffering vibration to destruction caused by attachment structure when turbine produces vibration；In addition,
Connecting portion in intubation and machine hole sets sealing, and sealing is cheated with machine and is fixedly connected, and is transported when intubation is relative with machine hole
When dynamic, sealing can ensure that intubation and the sealing of machine hole junction prevent moisture from leaking.
Brief description of the drawings
Fig. 1 is to show the utility model water-turbine top cover drainpipe and the overall structure diagram of machine hole attachment structure.
Description of reference numerals：
1st, drainpipe；2nd, elbow；3rd, it is intubated；4th, sealing；41st, compressed part；42nd, pad；5th, machine is cheated；6th, the first sealing
Circle；7th, the second sealing ring；8th, the 3rd sealing ring；9th, adpting flange.
Embodiment
The exemplary embodiment of the utility model embodiment is described in detail below in conjunction with the accompanying drawings.
A kind of water-turbine top cover drainpipe and machine hole attachment structure, including：Drainpipe 1, elbow 2, intubation 3 and sealing 4；
Drainpipe 1 is connected with the first end of elbow 2；The first end of intubation 3 is connected with the second end of elbow 2 by flange, be intubated 3 the
In the opening in two ends insertion machine hole 5；Sealing 4 is set in the periphery of intubation 3, and sealing 4 is fixedly connected with machine hole 5；Wherein, it is close
Envelope portion 4 includes compressed part 41 and pad 42, and compressed part 41 is connected by connector with machine hole 5, and pad 42 is arranged on compressed part
Between 41 and machine hole 5, pad 42 is provided with the first sealing ring 6 with 3 relative inner surfaces of intubation, and pad 42 cheats 5 relative sides with machine
Face is provided with the second sealing ring 7, and compressed part 41 is provided with the 3rd sealing ring 8 with 3 relative inner surfaces of intubation；The sealing of intubation 3 and first
It is interference fit between the sealing ring 8 of circle 6 and the 3rd.
The attachment structure that the present embodiment provides is mainly used in connecting water-turbine top cover and machine hole, but is not limited to this, and it is also
The structure that can need to carry out vibration damping, buffer to other is attached.
As shown in figure 1, one end of drainpipe 1 and the top cover of the hydraulic turbine connect, the other end is connected with the first end of elbow 2,
Connected mode can be that welding can also be bolt connection, and the second end of elbow 2 and the first end of intubation 3 are equipped with flange, two
Individual flange is attached by bolt, can also set to ensure the sealing of connecting portion between two flanges pad or
Sealing ring.Compressed part is fixed on machine hole 5 by screw or bolt connection, and the pad between compressed part and machine hole is rubber blanket
Piece, to play sealing function, but this is not limited to, it can also be the pad that other can play sealing function.First sealing ring 6
Leak can be prevented to being sealed between intubation 3 and pad by being arranged on the inner surface of pad and intubation 3；Similarly, the second sealing ring
7 gaps being used between gasket seal and machine hole, the 3rd sealing ring 8 are used to seal the gap between compressed part and intubation 3.In order to
Guarantee has good sealing, matches somebody with somebody interference is arranged between the sealing ring 6 of intubation 3 and first, the sealing ring 8 of intubation 3 and the 3rd
Close.
The present embodiment will be intubated 3 the second end by setting intubation 3 and being connected the first end for being intubated 3 with the flange of elbow 2
It is fixedly connected in insertion machine hole rather than with machine hole, so when the hydraulic turbine produces vibration, the relative machine of intubation 3 can be passed through
The motion in hole carrys out buffering vibration to destruction caused by attachment structure；In addition, the connecting portion in intubation 3 and machine hole sets sealing
4, and sealing 4 is fixedly connected with machine hole, when being intubated 3 with the relative motion of machine hole, sealing 4 can ensure intubation 3 and machine
The sealing of hole junction prevents moisture from leaking.
Alternatively, machine cheats 5 ends and is provided with adpting flange 9, and compressed part 41 is connected with adpting flange 9 by connector, and second
Sealing ring 7 is arranged on the side relative with adpting flange 9 of pad 42.
As shown in figure 1, compressed part 41 is cyclic structure in the present embodiment, compressed part 41 and adpting flange 9 by screw or
Person's bolt connection, by the connection of compressed part 41 and adpting flange 9 sealing 4 can be made to be fixed on machine hole.The second of intubation 3
Sealed in end insertion machine hole 5 and by sealing 4, under the continuous effect of vibration of the hydraulic turbine, intubation 3 can be according to stress
Situation cheats motion to buffer suffered power relative to machine, and sealing 4 is to intubation 3 and the company in machine hole in 3 motion processes are intubated
Connect position and play a part of sealing, prevent leak, simultaneously because intubation 3 is inserted into machine hole rather than cheats fixed connect with machine
Connect, so can effectively buffer the vibration of the hydraulic turbine.
Alternatively, the cross section of the first sealing ring 6, the second sealing ring 7 and the 3rd sealing ring 8 be rectangle or triangle or
Person is circular.
As shown in figure 1, the cross sectional shape of the first sealing ring 6, the second sealing ring 7 and the 3rd sealing ring 8 can in the present embodiment
Think it is a variety of, for example, rectangle, triangle, circle etc..Exemplary the first sealing ring 6 and the second sealing ring 7 of providing in Fig. 1
Rectangular cross-section, the section of the 3rd sealing ring 8 are triangle, but not limited to this, in actual use, can be selected as needed
Its cross sectional shape.
Alternatively, pad 42 is provided with least the first sealing ring 6 and/or at least one of second sealing ring 7 together, and/or,
Compressed part 41 is provided with least one of the 3rd sealing ring 8.
As shown in figure 1, in order to ensure the sealing of sealing 4, prevent the phenomenon of leak, can by the first sealing ring 6,
Second sealing ring 7 and the 3rd sealing ring 8 are arranged to multiple tracks.It is exemplary by the first sealing ring 6, the second sealing ring in the present embodiment
7 and the 3rd sealing ring 8 be respectively arranged one, can be configured as needed in actual use.
Alternatively, the 3rd sealing ring 8 is right angled triangle, and the 3rd sealing ring 8 is arranged on the friendship of compressed part 41 and pad 42
At boundary, the side of the right-angle side and pad 42 of right angled triangle fits, and another right-angle side of right angled triangle is with inserting
Pipe 3 fits.
As shown in figure 1, in order to prevent the intersection of compressed part, pad and 3 threes of intubation poorly sealed, by the 3rd sealing ring
8 are arranged on compressed part, pad and the intersection for being intubated 3.The cross section of the 3rd sealing ring 8 is arranged to right angled triangle simultaneously,
So that a right-angle side of right angled triangle is arranged between compressed part and pad, another right-angle side is arranged on compressed part and intubation
Between 3, the sealing problem in both direction is so ensure that simultaneously.
Alternatively, drainpipe 1 is connected with the first end of elbow 2 by flange.
As shown in figure 1, the first end of the end of drainpipe 1 and elbow 2 is equipped with flange arrangement, drainpipe in the present embodiment
1 be bolt-connected to the flange arrangement of the first end of elbow 2 together with., can simultaneously in order to ensure the sealing of connecting portion
To set sealing ring between the flange arrangement of the end of drainpipe 1 and the flange arrangement of the first end of elbow 2.
The present embodiment is intubated by setting and is connected the first end of intubation with elbow flange, and the second end of intubation is inserted
It is fixedly connected in machine hole rather than with machine hole, so when the hydraulic turbine produces vibration, can be cheated by being intubated relative machine
Motion carrys out buffering vibration to destruction caused by attachment structure；In addition, the connecting portion in intubation and machine hole sets sealing, and will
Sealing is fixedly connected with machine hole, and when intubation is with the relative motion of machine hole, sealing can ensure intubation and machine hole junction
Sealing prevents moisture from leaking.
It is described above, the only embodiment of the utility model embodiment, but the protection of the utility model embodiment
Scope is not limited thereto, the technical scope that any one skilled in the art discloses in the utility model embodiment
It is interior, change or replacement can be readily occurred in, should all be covered within the protection domain of the utility model embodiment.Therefore, this practicality
The protection domain of new embodiment should be based on the protection scope of the described claims.
Claims (6)
1. a kind of water-turbine top cover drainpipe and machine hole attachment structure, it is characterised in that including：
Drainpipe (1), elbow (2), intubation (3) and sealing (4)；
The drainpipe (1) is connected with the first end of the elbow (2)；
The first end of the intubation (3) is connected with the second end of the elbow (2) by flange, the second end of the intubation (3)
In the opening in insertion machine hole (5)；
The sealing (4) is set in the periphery of the intubation (3), and the sealing (4) is fixedly connected with machine hole (5)；
Wherein, the sealing (4) includes compressed part (41) and pad (42), the compressed part (41) by connector with it is described
Machine hole (5) is connected, and the pad (42) is arranged between the compressed part (41) and machine hole (5), the pad (42)
Relative inner surface is provided with the first sealing ring (6), the pad (42) side relative with machine hole (5) with the intubation (3)
Face is provided with the second sealing ring (7), and the compressed part (41) inner surface relative with the intubation (3) is provided with the 3rd sealing ring (8)；
It is interference fit between the intubation (3) and first sealing ring (6) and the 3rd sealing ring (8).
2. water-turbine top cover drainpipe according to claim 1 and machine hole attachment structure, it is characterised in that the machine hole
(5) end is provided with adpting flange (9), and the compressed part (41) is connected with the adpting flange (9) by connector, and described second
Sealing ring (7) is arranged on the pad (42) and the relative side of the adpting flange (9).
3. water-turbine top cover drainpipe according to claim 1 and machine hole attachment structure, it is characterised in that the drainpipe
(1) first end with the elbow (2) is connected by flange.
4. water-turbine top cover drainpipe according to claim 1 and machine hole attachment structure, it is characterised in that described first is close
The cross section of seal (6), the second sealing ring (7) and the 3rd sealing ring (8) is rectangle either triangle or circle.
5. water-turbine top cover drainpipe according to claim 1 and machine hole attachment structure, it is characterised in that the pad
(42) at least first sealing ring (6) and/or at least one of second sealing ring (7) together are provided with, and/or,
The compressed part (41) is provided with least one of the 3rd sealing ring (8).
6. water-turbine top cover drainpipe according to claim 1 and machine hole attachment structure, it is characterised in that the described 3rd is close
Seal (8) is right angled triangle, and the 3rd sealing ring (8) is arranged on the boundary of the compressed part (41) and the pad (42)
Place, the side of the right-angle side and the pad (42) of the right angled triangle fits, the right angled triangle it is another
Individual right-angle side fits with the intubation (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809414.8U CN206904445U (en) | 2017-07-05 | 2017-07-05 | Water-turbine top cover drainpipe and machine hole attachment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809414.8U CN206904445U (en) | 2017-07-05 | 2017-07-05 | Water-turbine top cover drainpipe and machine hole attachment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206904445U true CN206904445U (en) | 2018-01-19 |
Family
ID=61293603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720809414.8U Expired - Fee Related CN206904445U (en) | 2017-07-05 | 2017-07-05 | Water-turbine top cover drainpipe and machine hole attachment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206904445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237951A (en) * | 2017-07-05 | 2017-10-10 | 大唐得荣唐电水电开发有限公司 | Water-turbine top cover drainpipe cheats attachment structure with machine |
-
2017
- 2017-07-05 CN CN201720809414.8U patent/CN206904445U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237951A (en) * | 2017-07-05 | 2017-10-10 | 大唐得荣唐电水电开发有限公司 | Water-turbine top cover drainpipe cheats attachment structure with machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20190705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |