CN204239127U - A kind of turbine chamber with automatic inflating device structure - Google Patents
A kind of turbine chamber with automatic inflating device structure Download PDFInfo
- Publication number
- CN204239127U CN204239127U CN201420736328.5U CN201420736328U CN204239127U CN 204239127 U CN204239127 U CN 204239127U CN 201420736328 U CN201420736328 U CN 201420736328U CN 204239127 U CN204239127 U CN 204239127U
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- CN
- China
- Prior art keywords
- hole
- fitting seat
- device structure
- runner envelope
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a kind of turbine chamber with automatic inflating device structure; Belong to runner envelope technical field; Its technological points comprises runner envelope body, and on wherein said runner envelope body outer wall, relevant position is provided with installation through hole, and the side that this installation through hole is relative with runner envelope chamber body is inverted cone-shaped structure; Installing in through hole the fitting seat be provided with installing through hole and adapting, round taper hole is provided with at the middle part of fitting seat bottom end face, sealing plug is provided with in round taper hole bottom, fitting seat is provided with the inlet hole be conducted with round taper hole, the runner envelope body that inlet hole is corresponding is provided with gas guide groove, and gas guide groove is connected with drainage gallery; The flexible tensioning mechanism be connected with sealing plug is provided with in fitting seat upper-end surface; The utility model aims to provide a kind of rational in infrastructure, good sealing effect and the high turbine chamber with automatic inflating device structure of reliability; For water power plant.
Description
Technical field
The utility model relates to a kind of turbine chamber, more particularly, particularly relates to a kind of turbine chamber with automatic inflating device structure.
Background technique
In Turbine Flow Passage, cavity unexpected diabrosis in zone of high pressure that current are formed in low pressure area cavitation, makes the pressure of regional area suddenly increase.If the cavity of constantly formed in current, growing up is crumbled and fall again and again in inner wall of runner chamber face, wall will suffer the repeated stock of immense pressure, thus causes the fatigue failure even surface deterioration of material, and this is the cavitation corrosion of runner envelope.
Bulb-type hydraulic generating set is after running for many years, and the cavitation phenomenon that runner envelope produces, will directly cause the gap of runner bucket outer rim and runner envelope constantly to increase, thus reduces the operational efficiency of water turbine, affects the stable operation of unit.The harm brought for avoiding cavitation corrosion.The mode of normal employing tonifying Qi, reduces the negative pressure in runner envelope, to reduce the bad degree that falls from the sky or outer space that cavitation phenomenon brings.Making-up air device conventional is at present vacuum breaker valve.But existing vacuum breaker valve finds in actual use, the valve disc sealed due to it and fixed bolt run for a long time under water, and corrosion is very serious, cause valve disc to come off the generation of event, cause the serious accident of water on runner envelope.
Model utility content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, good sealing effect and the high turbine chamber with automatic inflating device structure of reliability.
The technical solution of the utility model is achieved in that a kind of turbine chamber with automatic inflating device structure, comprise runner envelope body, on wherein said runner envelope body outer wall, relevant position is provided with installation through hole, the side that this installation through hole is relative with runner envelope chamber body is inverted cone-shaped structure, outside installation through hole exterior edge face, be arranged with circular orientation heavy stand; Installing in through hole the fitting seat be provided with installing through hole and adapting, between fitting seat and the contacting part installing through hole, be provided with seal ring; The installation base adapted with circular orientation heavy stand is provided with in fitting seat upper end, round taper hole is provided with at the middle part of fitting seat bottom end face, sealing plug is provided with in round taper hole bottom, fitting seat is provided with the inlet hole be conducted with round taper hole, the runner envelope body that inlet hole is corresponding is provided with gas guide groove, and gas guide groove is connected with drainage gallery; Be provided with the flexible tensioning mechanism be connected with sealing plug in fitting seat upper-end surface, described flexible tensioning mechanism primarily of the connecting rod being arranged on the seal chamber of fitting seat upper-end surface, activity is located in seal chamber lower end surface, be arranged on small end face positioning plate, be folded in the first tension spring between positioning plate and seal chamber, the pressure transducer be arranged on positioning plate, the pressing plate being arranged on pressure transducer upper end and the second tension spring composition be folded between pressing plate and seal chamber inner top; Connecting rod lower end is fixedly connected with sealing plug; Described pressure transducer is connected with control unit; When the negative pressure in runner envelope reaches predefined value, the pull strap motive sealing plug that negative pressure overcomes flexible tensioning mechanism moves down and carries out tonifying Qi.
In above-mentioned a kind of turbine chamber with automatic inflating device structure, protective housing is arranged with outside round taper hole, protective housing is distributed with tonifying Qi hole, fitting seat bottom outer wall is provided with the annular breach adapted with protective housing thickness, and described protective housing is threaded in annular breach and also fixes by installing through hole jam-packed.
In above-mentioned a kind of turbine chamber with automatic inflating device structure, described gas guide groove opening portion is provided with sealed cover, and sealed cover is provided with toughened glass peep hole.
In above-mentioned a kind of turbine chamber with automatic inflating device structure, described inlet hole by one-level hole, second hole, connection I and II hole the first bellmouth orifice and connect second of second hole and gas guide groove hole of coughing and form.
In above-mentioned a kind of turbine chamber with automatic inflating device structure, described control unit is arranged on the outer top of seal chamber.
In above-mentioned a kind of turbine chamber with automatic inflating device structure, be provided with the mounting hole corresponding with cylindrical hole bottom described seal chamber, connecting rod is connected with sealing plug through mounting hole; Connecting rod outer wall above mounting hole is provided with the seal ring adapted with mounting hole; When the negative pressure in runner envelope reach predefined value make sealing plug move down tonifying Qi time, connecting rod band rotary packing ring moves down and is blocked in mounting hole.
In above-mentioned a kind of turbine chamber with automatic inflating device structure, described seal ring is made up of with the annular guide portion be arranged on bottom sealed department the sealed department of inverted cone; The cone angle of described sealed department is 30-40 °; The external diameter of described annular guide portion is less than the internal diameter of mounting hole.
Original sealing plug exposed first by the sealing plug arranging round taper hole and adapt with it, changes into embedded, reduces the area of contact with current to greatest extent after adopting said structure by the utility model.Then, runner envelope body outer wall arranges installation through hole, the fitting seat of vacuum breaking valve device is embedded in and installs in through hole, and coordinated with installation through hole by fitting seat, realize the further location to protective housing, ensure that protective housing can not come off.Meanwhile, sealant layer is set at sealing plug end face, to protect its working life.Then flexible tensioning mechanism is adopted to be strained by sealing plug.Gas supplementary structure is arranged in runner envelope by the utility model, avoids the contact of the fastening pieces such as bolt and water, prevents its corrosion from coming off.Further, by gas guide groove, inlet hole is guided in drainage gallery, neither affect tonifying Qi, can prevent again just in case when there is water inlet, the wide road of draining can be led water in time, avoid the situation occurring that runner envelope is intake.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the close-up schematic view at A place in Fig. 1.
In figure: runner envelope body 1, through hole 1a is installed, circular orientation heavy stand 1b, gas guide groove 1c, sealed cover 1d, toughened glass peep hole 1e, fitting seat 2, seal ring 2a, installation base 2b, round taper hole 2c, annular breach 2d, sealing plug 3, inlet hole 4, one-level hole 4a, second hole 4b, first bellmouth orifice 4c, second loud-speaker hole 4d, flexible tensioning mechanism 5, seal chamber 5a, connecting rod 5b, positioning plate 5c, first tension spring 5d, pressure transducer 5e, pressing plate 5f and be folded in pressing plate 5f, second tension spring 5g forms, mounting hole 5h, control unit 6, protective housing 7, tonifying Qi hole 7a, seal ring 8, sealed department 8a, annular guide portion 8b.
Embodiment
Consult shown in Fig. 1 and Fig. 2, a kind of turbine chamber with automatic inflating device structure of the present utility model, comprise runner envelope body 1, on runner envelope body 1 outer wall, relevant position is provided with and installs through hole 1a, the side that this installation through hole 1a is relative with runner envelope body 1 inner chamber is inverted cone-shaped structure, outside installation through hole 1a exterior edge face, be arranged with circular orientation heavy stand 1b; Installing in through hole 1a the fitting seat 2 be provided with installing through hole 1a and adapting, between fitting seat 2 and the contacting part installing through hole 1a, be provided with seal ring 2a; The installation base 2b adapted with circular orientation heavy stand 1b is provided with in fitting seat 2 upper end, round taper hole 2c is provided with at the middle part of fitting seat 2 bottom end face, sealing plug 3 is provided with in round taper hole 2c bottom, fitting seat 2 is provided with the inlet hole 4 be conducted with round taper hole 2c, the runner envelope body 1 of inlet hole 4 correspondence is provided with gas guide groove 1c, gas guide groove 1c is connected with drainage gallery, is provided with sealed cover 1d at gas guide groove 1c opening portion, and sealed cover d is provided with toughened glass peep hole 1e.When ensureing water inlet, excess pressure destroys the sealing configuration of sealed cover 1d, and described inlet hole 4 is made up of the second loud-speaker hole 4d of one-level hole 4a, second hole 4b, the first bellmouth orifice 4c connecting I and II hole 4a, 4b and connection second hole 4b and gas guide groove 1c.By amplifying caliber step by step to reduce hydraulic pressure.
Be provided with the flexible tensioning mechanism 5 be connected with sealing plug 3 in fitting seat 2 upper-end surface, described flexible tensioning mechanism 5 primarily of the connecting rod 5b being arranged on the seal chamber 5a of fitting seat 2 upper-end surface, activity is located in seal chamber 5a lower end surface, be arranged on connecting rod 5b upper-end surface positioning plate 5c, be folded in the first tension spring 5d between positioning plate 5c and seal chamber 5a, the pressure transducer 5e be arranged on positioning plate 5c, be arranged on the pressing plate 5f of pressure transducer 5e upper end and the second tension spring 5g be folded between pressing plate 5f and seal chamber 5a inner top forms; Connecting rod 5b lower end is fixedly connected with sealing plug 3; Described pressure transducer 5e is connected with control unit 6, and whether control unit 6 is preferably arranged on the outer top of seal chamber 5a, facilitate real time inspection equipment normally to work; When the negative pressure in runner envelope reaches predefined value, the pull strap motive sealing plug 3 that negative pressure overcomes flexible tensioning mechanism 5 moves down and carries out tonifying Qi.Simultaneously, protective housing 7 is arranged with outside round taper hole 2c, protective housing 7 is distributed with tonifying Qi hole 7a, fitting seat 2 bottom outer wall is provided with the annular breach 2d adapted with protective housing 7 thickness, described protective housing 7 is threaded in annular breach 2d and also fixes by installing through hole 1a jam-packed.By arranging protective housing 7, outside foreign material washing away sealing plug 3 can be reduced, improve its working life.Meanwhile, protective housing 7 adopts the structure being threaded and coordinating and be fixedly clamped, and it can be avoided to come off.
Further, for preventing foreign object, especially water enters flexible tensioning mechanism 3 inside, is provided with the mounting hole 5h corresponding with round taper hole 2c bottom seal chamber 5a, and connecting rod 5b is connected with sealing plug 3 through mounting hole 5h; Connecting rod 5b outer wall above mounting hole 5h is provided with the seal ring 8 adapted with mounting hole 5h; When the negative pressure in runner envelope reach predefined value make sealing plug 8 move down tonifying Qi time, connecting rod 5b is with rotary packing ring 8 to move down and be blocked in mounting hole 5h.Described seal ring 8 is preferably made up of with the annular guide portion 8b be arranged on bottom sealed department 8a the sealed department 8a of inverted cone; The cone angle of described sealed department 8a is 30-40 °; The external diameter of described annular guide portion 8b is less than the internal diameter of mounting hole 5h.Rational cone angle is set, seal ring 8 can be made effectively to play seal action, while playing sealing effect, avoid excessive compressive deformation as far as possible, extend its working life.
During work, when runner envelope internal negative pressure reaches predefined value, the pull strap motive sealing plug 3 that negative pressure overcomes flexible tensioning mechanism 5 moves down and carries out tonifying Qi, and meanwhile, seal ring 8 moves down blocking mounting hole 5h.Under normal circumstances, by observing the display screen on control unit 6, whether the pressure can understanding device inside is in real time normal.
Above illustrated embodiment is better embodiment of the present utility model, only be used for conveniently the utility model being described, not any pro forma restriction is done to the utility model, have in any art and usually know the knowledgeable, if do not depart from the utility model carry in the scope of technical characteristics, utilize the utility model disclose the Equivalent embodiments changing or modify in the done local of technology contents, and do not depart from technical characteristics content of the present utility model, all still belong in the scope of the utility model technical characteristics.
Claims (7)
1. the turbine chamber with automatic inflating device structure, comprise runner envelope body (1), it is characterized in that, on described runner envelope body (1) outer wall, relevant position is provided with and installs through hole (1a), the side that this installation through hole (1a) is relative with runner envelope body (1) inner chamber is inverted cone-shaped structure, outside installation through hole (1a) exterior edge face, be arranged with circular orientation heavy stand (1b), installing in through hole (1a) fitting seat (2) be provided with installing through hole (1a) and adapting, between fitting seat (2) with the contacting part of installation through hole (1a), be provided with seal ring (2a), the installation base (2b) adapted with circular orientation heavy stand (1b) is provided with in fitting seat (2) upper end, round taper hole (2c) is provided with at the middle part of fitting seat (2) bottom end face, sealing plug (3) is provided with in round taper hole (2c) bottom, fitting seat (2) is provided with the inlet hole (4) be conducted with round taper hole (2c), the runner envelope body (1) that inlet hole (4) is corresponding is provided with gas guide groove (1c), and gas guide groove (1c) is connected with drainage gallery, the flexible tensioning mechanism (5) be connected with sealing plug (3) is provided with in fitting seat (2) upper-end surface, described flexible tensioning mechanism (5) is primarily of the seal chamber (5a) being arranged on fitting seat (2) upper-end surface, activity is located in the connecting rod (5b) of seal chamber (5a) lower end surface, be arranged on the positioning plate (5c) of connecting rod (5b) upper-end surface, be folded in the first tension spring (5d) between positioning plate (5c) and seal chamber (5a), be arranged on the pressure transducer (5e) on positioning plate (5c), the pressing plate (5f) being arranged on pressure transducer (5e) upper end and the second tension spring (5g) composition be folded between pressing plate (5f) and seal chamber (5a) inner top, connecting rod (5b) lower end is fixedly connected with sealing plug (3), described pressure transducer (5e) is connected with control unit (6), when the negative pressure in runner envelope reaches predefined value, the pull strap motive sealing plug (3) that negative pressure overcomes flexible tensioning mechanism (5) moves down and carries out tonifying Qi.
2. a kind of turbine chamber with automatic inflating device structure according to claim 1, it is characterized in that, protective housing (7) is arranged with outside round taper hole (2c), protective housing (7) is distributed with tonifying Qi hole (7a), fitting seat (2) bottom outer wall is provided with the annular breach (2d) adapted with protective housing (7) thickness, and described protective housing (7) is threaded in annular breach (2d) and also fixes by installing through hole (1a) jam-packed.
3. a kind of turbine chamber with automatic inflating device structure according to claim 1, it is characterized in that, described gas guide groove (1c) opening portion is provided with sealed cover (1d), and sealed cover (d) is provided with toughened glass peep hole (1e).
4. a kind of turbine chamber with automatic inflating device structure according to claim 1, it is characterized in that, described inlet hole (4) is made up of first bellmouth orifice (4c) of one-level hole (4a), second hole (4b), connection I and II hole (4a, 4b) and the second loud-speaker hole (4d) of connection second hole (4b) and gas guide groove (1c).
5. a kind of turbine chamber with automatic inflating device structure according to claim 1, is characterized in that, described control unit (6) is arranged on seal chamber (5a) outer top.
6. a kind of turbine chamber with automatic inflating device structure according to claim 1, it is characterized in that, described seal chamber (5a) bottom is provided with the mounting hole (5h) corresponding with round taper hole (2c), and connecting rod (5b) is connected with sealing plug (3) through mounting hole (5h); Connecting rod (5b) outer wall of mounting hole (5h) top is provided with the seal ring (8) adapted with mounting hole (5h); When the negative pressure in runner envelope reach predefined value make sealing plug (8) move down tonifying Qi time, connecting rod (5b) is with rotary packing ring (8) to move down and is blocked in mounting hole (5h).
7. a kind of turbine chamber with automatic inflating device structure according to claim 6, it is characterized in that, described seal ring (8) by inverted cone sealed department (8a) and be arranged on sealed department (8a) bottom annular guide portion (8b) form; The cone angle of described sealed department (8a) is 30-40 °; The external diameter of described annular guide portion (8b) is less than the internal diameter of mounting hole (5h).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736328.5U CN204239127U (en) | 2014-11-28 | 2014-11-28 | A kind of turbine chamber with automatic inflating device structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736328.5U CN204239127U (en) | 2014-11-28 | 2014-11-28 | A kind of turbine chamber with automatic inflating device structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239127U true CN204239127U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420736328.5U Expired - Fee Related CN204239127U (en) | 2014-11-28 | 2014-11-28 | A kind of turbine chamber with automatic inflating device structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164838A (en) * | 2018-09-29 | 2019-01-08 | 广东电网有限责任公司 | A kind of seat of automatic inflating device ground equipment anti-flooding apparatus |
| CN111829127A (en) * | 2020-07-23 | 2020-10-27 | 李威 | Self-adaptation negative pressure ward that negative feedback formula was adjusted |
-
2014
- 2014-11-28 CN CN201420736328.5U patent/CN204239127U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164838A (en) * | 2018-09-29 | 2019-01-08 | 广东电网有限责任公司 | A kind of seat of automatic inflating device ground equipment anti-flooding apparatus |
| CN111829127A (en) * | 2020-07-23 | 2020-10-27 | 李威 | Self-adaptation negative pressure ward that negative feedback formula was adjusted |
| CN111829127B (en) * | 2020-07-23 | 2021-08-31 | 薛勇 | Self-adaptation negative pressure ward that negative feedback formula was adjusted |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20161128 |