CN203769864U - Novel high-pressure adjustment valve of steam turbine - Google Patents
Novel high-pressure adjustment valve of steam turbine Download PDFInfo
- Publication number
- CN203769864U CN203769864U CN201420175412.4U CN201420175412U CN203769864U CN 203769864 U CN203769864 U CN 203769864U CN 201420175412 U CN201420175412 U CN 201420175412U CN 203769864 U CN203769864 U CN 203769864U
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- CN
- China
- Prior art keywords
- taper bush
- outside thread
- valve rod
- novel high
- steam turbine
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- 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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- Control Of Turbines (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a novel high-pressure adjustment valve of a steam turbine. The novel high-pressure adjustment valve comprises a valve rod, a conical lining and a cross head. The left end of the valve rod is conical and is sleeved with the conical lining in a connected mode, the cross head is installed at the front end of the conical lining, the end, close to the conical lining, of the cross head is provided with an annular notch, first outer threads are integrally arranged inside the lower bottom face of the annular notch, second outer threads are integrally arranged on the outer wall face of the outer end of the conical lining, a locking sleeve is connected to the annular notch in a sleeved mode, inner threads matched with the first outer threads and the second outer threads are arranged in the locking sleeve, the left portion of the inner threads is matched with the first outer threads, the right portion of the inner threads is matched with the second outer threads, a locking nut is connected to the position, at the left end of the conical lining, of the valve rod in a sleeved mode, and a plurality of locking screws are evenly arranged between the locking nut and the conical lining. By means of the technical scheme, the conical lining and the cross head are not prone to loosening, work is stable, the valve rod and the conical lining are reliably fixed, the adjustment accuracy is high, and the service life is long.
Description
Technical field
The utility model relates to steamer power generating equipment technical field, is specifically related to a kind of novel high-pressure modulating valve of steam turbine.
Background technique
The septum valve of the Turbo-generator Set that prior art provides is in order to remove conveniently, easy to maintenance, often make lining be connected in crosshead by hexagonal cylindrical screw, the left end of valve rod by nut check on lining, this Placement Shortcomings, long-time use, hexagonal cylindrical screw in lining and crosshead is easily loosening, nut between valve rod and lining is also easily loosening, once hexagonal cylindrical screw and nut is loosening, the stability that can affect work, affects degree of regulation, and reduction of service life.
Summary of the invention
The deficiency existing for prior art, the purpose of this utility model is to provide the novel high-pressure modulating valve of the steam turbine of a kind of reasonable in design, working stability, long service life.
For achieving the above object, the utility model provides following technological scheme: a kind of novel high-pressure modulating valve of steam turbine, comprise valve rod, taper bush and crosshead, the left end of described valve rod is cone, valve rod left end socket taper bush, taper bush front end is installed crosshead, described crosshead is provided with annular breach near taper bush end, described annular breach bottom surface inside has been wholely set the first outside thread, in the outer wall of described taper bush outer end, be wholely set the second outside thread, on described annular breach, be socketed with locking sleeve, in described locking sleeve, be provided with the internal thread mating with the first outside thread and the second outside thread, described internal thread left part coordinates with the first outside thread, internal thread right part coordinates with the second outside thread, the valve stem of described taper bush left end is socketed with locking nut, between described locking nut and taper bush, be evenly provided with several lock screws.
By adopting technique scheme, taper bush is integrally formed after being threaded by locking sleeve with crosshead, and connection is simple, fixing reliable, is difficult for becoming flexible working stability; And locking nut is connected by lock screw with taper bush, connect reliably, valve rod and taper bush are fixing reliable, and degree of regulation is high, and long service life.
The utility model is further set to: described locking nut is provided with several attachment holes around center line annular, wears a lock screw in each attachment hole, and locking nut is connected and fixed by some lock screws and taper bush.By this setting, locking nut is connected with taper bush reliably, and locking nut is difficult for loosening.
The utility model is also further set to: described the first outside thread and the second externally threaded large footpath are positioned at sustained height.By this setting, the first outside thread and the second outside thread arrange rationally, easy to connect with locking sleeve, fixing reliable.
The utility model is also further set to: described locking sleeve is stainless steel sleeve.By this setting, locking sleeve is difficult for getting rusty, reliable operation.
The utility model is also further set to: described lock screw is stainless steel screw.By this setting, lock screw is difficult for getting rusty, reliable operation.
The utility model has the advantages that: compared with prior art, the utility model structure arranges rationally, taper bush is integrally formed after being threaded by locking sleeve with crosshead, connects simply, fixing reliable, difficult loosening, working stability; And locking nut is connected by lock screw with taper bush, connect reliably, valve rod and taper bush are fixing reliable, and degree of regulation is high, and long service life.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the enlarged diagram of I portion in Fig. 1.
Embodiment
Referring to Fig. 1 and Fig. 2, the novel high-pressure modulating valve of the disclosed a kind of steam turbine of the utility model, comprise valve rod 1, taper bush 2 and crosshead 3, the left end of described valve rod 1 is cone, valve rod 1 left end socket taper bush 2, taper bush 2 front ends are installed crosshead 3, described crosshead 3 is provided with annular breach 31 near taper bush 2 ends, described annular breach 31 bottom surface inside have been wholely set the first outside thread 311, in described taper bush 2 outer end outer wall, be wholely set the second outside thread 21, on described annular breach 31, be socketed with locking sleeve 4, in described locking sleeve 4, be provided with the internal thread 41 mating with the first outside thread 311 and the second outside thread 21, described internal thread 41 left parts coordinate with the first outside thread 311, internal thread 41 right parts coordinate with the second outside thread 21, 1 of the valve rod of described taper bush 2 left ends is socketed with locking nut 5, between described locking nut 5 and taper bush 2, be evenly provided with several lock screws 6.
For making the utility model structure more reasonable, as preferably, described in the present embodiment, locking nut 5 is provided with several attachment holes 51 around center line annular, wears a lock screw 6 in each attachment hole 51, and locking nut 5 is connected and fixed with taper bush 2 by some lock screws 6.
The large footpath of described the first outside thread 311 and the second outside thread 21 is positioned at sustained height.Described locking sleeve 4 is stainless steel sleeve, and locking sleeve is difficult for getting rusty, reliable operation.Described lock screw 6 is stainless steel screw.Lock screw is difficult for getting rusty, reliable operation.
The utility model structure arranges rationally, and taper bush is integrally formed after being threaded by locking sleeve with crosshead, connects simply, fixing reliable, difficult loosening, working stability; And locking nut is connected by lock screw with taper bush, connect reliably, valve rod and taper bush are fixing reliable, and degree of regulation is high, and long service life.
Above-described embodiment is to specific descriptions of the present utility model; only for the utility model is further described; can not be interpreted as the restriction to the utility model protection domain, within the technician of related domain makes some nonessential improvement according to the content of above-mentioned model utility to the utility model and adjusts and all to fall into protection domain of the present utility model.
Claims (5)
1. the novel high-pressure modulating valve of a steam turbine, comprise valve rod (1), taper bush (2) and crosshead (3), the left end of described valve rod (1) is cone, valve rod (1) left end socket taper bush (2), taper bush (2) front end is installed crosshead (3), it is characterized in that: described crosshead (3) is provided with annular breach (31) near taper bush (2) end, described annular breach (31) bottom surface inside has been wholely set the first outside thread (311), in the outer wall of described taper bush (2) outer end, be wholely set the second outside thread (21), on described annular breach (31), be socketed with locking sleeve (4), in described locking sleeve (4), be provided with the internal thread (41) mating with the first outside thread (311) and the second outside thread (21), described internal thread (41) left part coordinates with the first outside thread (311), internal thread (41) right part coordinates with the second outside thread (21), valve rod (1) portion of described taper bush (2) left end is socketed with locking nut (5), between described locking nut (5) and taper bush (2), be evenly provided with several lock screws (6).
2. the novel high-pressure modulating valve of a kind of steam turbine according to claim 1, it is characterized in that: described locking nut (5) is provided with several attachment holes (51) around center line annular, in each attachment hole (51), wear a lock screw (6), locking nut (5) is connected and fixed by some lock screws (6) and taper bush (2).
3. the novel high-pressure modulating valve of a kind of steam turbine according to claim 2, is characterized in that: the large footpath of described the first outside thread (311) and the second outside thread (21) is positioned at sustained height.
4. the novel high-pressure modulating valve of a kind of steam turbine according to claim 3, is characterized in that: described locking sleeve (4) is stainless steel sleeve.
5. the novel high-pressure modulating valve of a kind of steam turbine according to claim 4, is characterized in that: described lock screw (6) is stainless steel screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175412.4U CN203769864U (en) | 2014-04-11 | 2014-04-11 | Novel high-pressure adjustment valve of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175412.4U CN203769864U (en) | 2014-04-11 | 2014-04-11 | Novel high-pressure adjustment valve of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203769864U true CN203769864U (en) | 2014-08-13 |
Family
ID=51287064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175412.4U Expired - Fee Related CN203769864U (en) | 2014-04-11 | 2014-04-11 | Novel high-pressure adjustment valve of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203769864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454037A (en) * | 2014-10-24 | 2015-03-25 | 东方电气集团东方汽轮机有限公司 | Connecting structure for valve rod and crossed sleeve of turbine high-pressure main steam regulating valve |
-
2014
- 2014-04-11 CN CN201420175412.4U patent/CN203769864U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454037A (en) * | 2014-10-24 | 2015-03-25 | 东方电气集团东方汽轮机有限公司 | Connecting structure for valve rod and crossed sleeve of turbine high-pressure main steam regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180521 Address after: 314500 No. 1000, Wu Tung Street development avenue, Tongxiang, Jiaxing, Zhejiang Patentee after: Zhejiang measuring Machinery Co., Ltd. Address before: 325000 Huang Yu Industrial Zone, Shang Tang Town, Yongjia County, Wenzhou, Zhejiang Patentee before: Wenzhou Kaicheng Machinery Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20190411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |