CN206036053U - Steam turbine shaft coupling - Google Patents
Steam turbine shaft coupling Download PDFInfo
- Publication number
- CN206036053U CN206036053U CN201621019480.7U CN201621019480U CN206036053U CN 206036053 U CN206036053 U CN 206036053U CN 201621019480 U CN201621019480 U CN 201621019480U CN 206036053 U CN206036053 U CN 206036053U
- Authority
- CN
- China
- Prior art keywords
- steam turbine
- axis body
- half axis
- generator
- end semi
- 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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a steam turbine shaft coupling. It includes the steam turbine end semi -axis body and the generator end semi -axis body, the steam turbine end semi -axis body and the internal shaft hole that all is equipped with of generator end semi -axis, and its characterized in that: be equipped with positioning groove on the medial surface of the steam turbine end semi -axis body, it fixes a position the boss with positioning groove matched with to be equipped with on the medial surface of the generator end semi -axis body, the first bolt hole of a plurality of one -to -ones is equipped with along its circumference interval on the terminal surface that steam turbine end semi -axis was personally experienced sth. Part of the body and the generator end semi -axis body is corresponding, thereby the steam turbine end semi -axis body and the generator end semi -axis body are gone up and are equipped with connecting bolt in the corresponding first bolt hole and hold the semi -axis body and generator to hold the semi -axis to personally experience sth. Part of the body in the steam turbine to link firmly, be equipped with the gear on the periphery of the steam turbine end semi -axis body. The utility model discloses simple structure has reduced spare part, has improved work efficiency and reliability.
Description
Technical field
This utility model is related to a kind of steam turbine coupling.
Background technology
Steam turbine generally High Temperature High Pressure and it is high-revolving under the conditions of work, be a kind of more accurate heavy-duty machinery, one
As must and boiler（Or other steam generators）, the group such as electromotor (or other are driven machinery) and condenser, heater, pump
Into complete set of equipments, together cooperation work.Steam turbine coupling is for connection to each rotor of Turbo-generator Set, and handle
The power of steam turbine passes to a kind of attachment means of electromotor.
The gear ring of existing steam turbine coupling is sleeved on coupling half（Steam turbine end）On, by being arranged at shaft coupling half
Portion（Steam turbine end）Alignment pin on medial surface plays a part of circumferential fastening, by being located at coupling half（Steam turbine end）Outer surface
On boss prevent its axial float, structure is more complicated, and parts are more, and between parts, fit clearance is little, it is desirable to process
And assembly precision is high, processing and assembly difficulty are big, poor reliability.
Utility model content
This utility model provides a kind of steam turbine coupling, and its simple structure reduces parts, improves work effect
Rate and reliability, solve problems of the prior art.
This utility model by solving the technical scheme that adopts of above-mentioned technical problem is：It includes half axis body of steam turbine end and sends out
Axis hole is equipped with half axis body of motor side, half axis body of steam turbine end and generator end semiaxis body, it is characterised in that：Half axis body of steam turbine end
Inner side end be provided with detent, the inner side end of half axis body of generator end is provided with the positioning being engaged with detent
Boss, circumferentially-spaced is provided with some one-to-one corresponding along which on half axis body of steam turbine end and the corresponding end face of generator end semiaxis body phase
The first bolt hole, be provided with the first corresponding bolt hole on half axis body of half axis body of steam turbine end and generator end connecting bolt from
And half axis body of steam turbine end and half axis body of generator end are connected, the periphery of half axis body of steam turbine end is provided with gear.
Steam turbine terminal link groove is axially arranged with along which on the outer surface of half axis body of steam turbine end.
The steam turbine terminal link groove is wedge shape keyway.
Generator end keyway is axially arranged with along which on the outer surface of half axis body of the generator end.
The generator end keyway is wedge shape keyway.
The inner side end of half axis body of the generator end is provided with the second bolt hole, is provided with jack-up spiral shell in the second bolt hole
Bolt.
This utility model adopts such scheme, with advantages below：
1st, the inner side end of half axis body of steam turbine end is provided with detent, and the inner side end of half axis body of generator end is provided with
The positioning boss being engaged with detent, can not only be by half axis body of steam turbine end by the cooperation of positioning boss and detent
Be located by connecting with half axis body precision of generator end, and can also prevent which from moving radially, further ensure that half axis body of steam turbine end and
The reliability of half axis body of generator end connection.
2nd, the periphery of half axis body of steam turbine end is provided with gear, i.e., gear ring of the prior art is put with half axis body of steam turbine end
It is integrated, reduces assembling parts, simplify structure, improves work efficiency and reliability.
3rd, steam turbine terminal link groove, the outer surface of half axis body of generator end is axially arranged with along which on the outer surface of half axis body of steam turbine end
On be axially arranged with generator end keyway along which, steam turbine terminal link groove and generator end keyway are wedge shape keyway, half axis body of steam turbine end
With half axis body of generator end respectively by the wedge key that is engaged with steam turbine terminal link groove, generator end keyway and turbine rotor,
Generator amature links together.
4th, the inner side end of half axis body of generator end is provided with the second bolt hole, is provided with jack bolt in the second bolt hole,
During dismounting, half axis body of steam turbine end and half axis body of generator end can be separated by jack bolt.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is mplifying structure schematic diagram at A in Fig. 1.
In figure, 1, half axis body of steam turbine end, 2, half axis body of generator end, 3, axis hole, 4, detent, 5, positioning boss, 6,
Connecting bolt, 7, gear, 8, steam turbine terminal link groove, 9, generator end keyway, 10, jack bolt.
Specific embodiment
For can clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its accompanying drawing is combined, to this reality
It is described in detail with new.
As shown in Fig. 1～Fig. 2, this utility model includes half axis body 2 of half axis body 1 of steam turbine end and generator end, steam turbine end half
Axis hole 3 is equipped with half axis body 2 of axis body 1 and generator end.The inner side end of half axis body 1 of steam turbine end is provided with detent 4, sends out
The inner side end of half axis body 2 of motor side is provided with the positioning boss 5 being engaged with detent 4.Half axis body 1 and send out at steam turbine end
On the corresponding end face of half axis body 2 of motor side along its it is circumferentially-spaced be provided with some one-to-one first bolts hole, steam turbine end half
Connecting bolt 6 is provided with the first corresponding bolt hole on half axis body 2 of axis body 1 and generator end so as to by half axis body 1 of steam turbine end
It is connected with half axis body 2 of generator end.The periphery of half axis body 1 of steam turbine end is provided with gear 7.The outer surface of half axis body 1 of steam turbine end
On be axially arranged with steam turbine terminal link groove 8 along which, be axially arranged with generator end keyway 9 along which on the outer surface of half axis body 2 of generator end.
Steam turbine terminal link groove 8 and generator end keyway 9 are wedge shape keyway.The inner side end of half axis body 2 of generator end is provided with the second spiral shell
Keyhole, is provided with jack bolt 10 in the second bolt hole.
The inner side end of half axis body 1 of steam turbine end is provided with detent 4, sets on the inner side end of half axis body 2 of generator end
There is the positioning boss 5 being engaged with detent 4, can not only be by steam turbine end by the cooperation of positioning boss 5 and detent 4
Half axis body 1 and half axis body of generator end, 2 precision are located by connecting, and can also prevent which from moving radially, and further ensure that steam turbine end
Half axis body 1 and the reliability of the connection of half axis body of generator end 2.
The periphery of half axis body 1 of steam turbine end is provided with gear 7, i.e., gear ring of the prior art and half axis body 1 of steam turbine end
Set as one, reduce assembling parts, simplify structure, improve work efficiency and reliability.
Steam turbine terminal link groove 8, the appearance of half axis body 2 of generator end is axially arranged with along which on the outer surface of half axis body 1 of steam turbine end
Generator end keyway 9 is axially arranged with along which on face, steam turbine terminal link groove 8 and generator end keyway 9 are wedge shape keyway, steam turbine end half
Axis body 1 and half axis body 2 of generator end are respectively by the wedge key that is engaged with steam turbine terminal link groove 8, generator end keyway 9 and steamer
Machine rotor, generator amature link together.
The inner side end of half axis body 2 of generator end is provided with the second bolt hole, is provided with jack bolt 10 in the second bolt hole,
During dismounting, half axis body 1 of steam turbine end and half axis body 3 of generator end can be separated by jack bolt 10.
Above-mentioned specific embodiment cannot function as the restriction to this utility model protection domain, for the skill of the art
For art personnel, any alternate modification or conversion made to this utility model embodiment all falls within guarantor of the present utility model
In the range of shield.
This utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (6)
1. a kind of steam turbine coupling, including half axis body of half axis body of steam turbine end and generator end, half axis body of steam turbine end and electromotor
Axis hole is equipped with the semiaxis body of end, it is characterised in that：The inner side end of half axis body of steam turbine end is provided with detent, generator end
The inner side end of half axis body is provided with the positioning boss being engaged with detent, half axis body and generator end semiaxis at steam turbine end
Circumferentially-spaced some one-to-one first bolts hole, half axis body of steam turbine end and electromotor is provided with along which on the corresponding end face of body phase
Hold connecting bolt is provided with the first bolt hole corresponding on half axis body so as to by half axis body of half axis body of steam turbine end and generator end
It is connected, the periphery of half axis body of steam turbine end is provided with gear.
2. a kind of steam turbine coupling according to claim 1, it is characterised in that：The outer surface of half axis body of steam turbine end
On be axially arranged with steam turbine terminal link groove along which.
3. a kind of steam turbine coupling according to claim 2, it is characterised in that：The steam turbine terminal link groove is wedge key
Groove.
4. a kind of steam turbine coupling according to claim 1, it is characterised in that：The appearance of half axis body of the generator end
Generator end keyway is axially arranged with along which on face.
5. a kind of steam turbine coupling according to claim 4, it is characterised in that：The generator end keyway is wedge key
Groove.
6. a kind of steam turbine coupling according to claim 1, it is characterised in that：The inner side of half axis body of the generator end
End face is provided with the second bolt hole, is provided with jack bolt in the second bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019480.7U CN206036053U (en) | 2016-08-31 | 2016-08-31 | Steam turbine shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019480.7U CN206036053U (en) | 2016-08-31 | 2016-08-31 | Steam turbine shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036053U true CN206036053U (en) | 2017-03-22 |
Family
ID=58301718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621019480.7U Expired - Fee Related CN206036053U (en) | 2016-08-31 | 2016-08-31 | Steam turbine shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202355A (en) * | 2017-06-06 | 2017-09-26 | 大唐东北电力试验研究所有限公司 | High back pressure birotor electric heating unit heating system |
-
2016
- 2016-08-31 CN CN201621019480.7U patent/CN206036053U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202355A (en) * | 2017-06-06 | 2017-09-26 | 大唐东北电力试验研究所有限公司 | High back pressure birotor electric heating unit heating system |
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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: 20170322 Termination date: 20210831 |