CN214887242U - Steam turbine rotor structure - Google Patents
Steam turbine rotor structure Download PDFInfo
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- CN214887242U CN214887242U CN202120549729.XU CN202120549729U CN214887242U CN 214887242 U CN214887242 U CN 214887242U CN 202120549729 U CN202120549729 U CN 202120549729U CN 214887242 U CN214887242 U CN 214887242U
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Abstract
The utility model discloses a steam turbine rotor structure, the rotor body comprises a rotor front section and a rotor rear section, a guide post is fixedly arranged at the middle part of one side of the rotor rear section, the guide post is movably clamped at the middle part of one side of the rotor front section, and a connecting component is movably clamped at the middle part of one end of the rotor rear section, which is far away from the rotor front section; the connecting assembly comprises a sleeve frame, a guide rod is fixedly arranged in the middle of one side of the sleeve frame, the guide rod is movably clamped in the middle of one end of the rear section of the rotor, which is far away from the front section of the rotor, and a bearing is fixedly sleeved on the outer side of the sleeve frame; one side screw thread that rotor anterior segment was kept away from to the rotor back end is inserted and is equipped with fixing bolt, the utility model discloses, through segmenting the great rotor body of volume split into rotor anterior segment and rotor back end to through setting up guide post and spacing post between rotor anterior segment and rotor back end, make things convenient for the spacing connection of direction between rotor anterior segment and the rotor back end, and make things convenient for the subsequent dismantlement maintenance of rotor body.
Description
Technical Field
The utility model relates to a steam turbine rotor technical field specifically is a steam turbine rotor structure.
Background
The steam turbine is also called as steam turbine engine, and is a rotary steam power device, and the high-temperature high-pressure steam is passed through fixed nozzle, becomes accelerated air flow, and is sprayed on the blade to make the rotor equipped with blade row rotate, and at the same time, it can apply work to exterior.
However, most of existing steam turbine rotors are large in size, and inconvenient to detach after the casing is installed, the rotors are connected in a fixed mode with bearings used for convenient rotation, and the detachment is also troublesome, so that subsequent overhaul of the steam turbine rotors is affected, and for this reason, a novel steam turbine rotor structure is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steam turbine rotor structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a steam turbine rotor structure comprises a rotor body, wherein the rotor body comprises a rotor front section and a rotor rear section, a guide post is fixedly arranged in the middle of one side of the rotor rear section, the guide post is movably clamped in the middle of one side of the rotor front section, and a connecting assembly is movably clamped in the middle of one end, away from the rotor front section, of the rotor rear section;
the connecting assembly comprises a sleeve frame, a guide rod is fixedly arranged in the middle of one side of the sleeve frame, the guide rod is movably clamped in the middle of one end of the rear section of the rotor, which is far away from the front section of the rotor, and a bearing is fixedly sleeved on the outer side of the sleeve frame;
and a fixing bolt is inserted into the thread on one side of the rear section of the rotor, which is far away from the front section of the rotor, and the middle part of the fixing bolt is inserted into the guide rod.
As a preferred technical scheme of the utility model, the one end middle part that the rotor anterior segment was kept away from to the rotor back end is seted up with the guide bar cooperation direction draw-in groove that uses, and the guide bar activity joint is in the direction draw-in groove, the one end in close contact with of rotor anterior segment is kept away from to the one end of cover frame and rotor back end.
As a preferred technical scheme of the utility model, one side external fixed surface that the guide bar is close to the cover frame is connected with the spacing sand grip of multiunit that is the ring array and distributes, the spacing recess of multiunit that uses with the cooperation of spacing sand grip is seted up to inner wall one side of direction draw-in groove, and spacing sand grip activity joint is in the spacing recess that corresponds.
As a preferred technical scheme of the utility model, the rotor back end is kept away from the vertical screw thread water jacket of seting up and fixing bolt cooperation use in one side of rotor anterior segment, screw thread water jacket and direction draw-in groove communicate with each other, the guide bar is kept away from the vertical screw thread inside groove of seting up and fixing bolt cooperation use in one side of cover frame, fixing bolt thread joint is in screw thread water jacket and screw thread inside groove.
As a preferred technical scheme of the utility model, the rotor anterior segment is close to one side middle part of rotor back end and has been seted up the direction spread groove that uses with the guide post cooperation, and the guide post activity joint is in the direction spread groove.
As a preferred technical scheme of the utility model, the rotor back end outer wall middle part fixedly connected with ring frame of guide post homonymy, one side fixed mounting of ring frame has the spacing arch of multiunit that is the ring array and distributes, the annular that uses with the ring frame cooperation is seted up at one side middle part that the rotor anterior segment is close to the rotor back end, and the ring frame activity joint is in the annular.
As a preferred technical scheme of the utility model, the spacing groove that uses with spacing protruding cooperation is seted up to the inner wall of annular, and the spacing protruding activity joint of multiunit is in the spacing groove that corresponds.
As a preferred technical scheme of the utility model, the one end outside fixed mounting that the rotor anterior segment is close to the rotor back end has three spacing posts of group that the annular array distributes, the one end outside that the rotor back end is close to the rotor anterior segment is seted up and is used with spacing post cooperation, and three spacing post activity joint of group are in corresponding spacing slot, the looks remote site in close contact with of rotor anterior segment and rotor back end.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, through segmenting the great rotor body of volume split into rotor anterior segment and rotor back end to through setting up guide post and spacing post between rotor anterior segment and rotor back end, make things convenient for the spacing connection of direction between rotor anterior segment and the rotor back end, and make things convenient for the subsequent dismantlement maintenance of rotor body.
2. Through setting up coupling assembling, carry out dismantling between rotor back end and the coupling assembling and connect fixedly to make things convenient for the dismantlement between bearing and the rotor body, and then the convenience is dismantled the rotor body and is overhauld.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structural connection between the front section and the rear section of the rotor in the present invention;
FIG. 3 is another schematic view of the connection structure of the front section and the rear section of the rotor in the present invention;
FIG. 4 is a schematic view of the structural connection between the rear section of the middle rotor and the connection assembly of the present invention;
fig. 5 is another structural connection diagram of the middle rotor rear section and the connection assembly of the present invention.
In the figure: 1. a rotor front section; 2. a rotor rear section; 3. a connecting assembly; 4. a bearing; 5. fixing the bolt; 11. a limiting column; 101. a guide connecting groove; 102. a ring groove; 103. a limiting groove; 21. a guide post; 22. a ring frame; 23. a limiting bulge; 201. limiting slots; 202. a guide clamping groove; 203. a limiting groove; 204. a threaded outer groove; 31. sleeving a frame; 32. a guide bar; 321. a threaded inner groove; 33. limiting convex strips.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a steam turbine rotor structure comprises a rotor body, wherein the rotor body comprises a rotor front section 1 and a rotor rear section 2, a guide post 21 is fixedly arranged in the middle of one side of the rotor rear section 2, the guide post 21 is movably clamped in the middle of one side of the rotor front section 1, and a connecting assembly 3 is movably clamped in the middle of one end, far away from the rotor front section 1, of the rotor rear section 2;
the connecting assembly 3 comprises a sleeve frame 31, a guide rod 32 is fixedly arranged in the middle of one side of the sleeve frame 31, the guide rod 32 is movably clamped in the middle of one end of the rotor rear section 2 far away from the rotor front section 1, and a bearing 4 is fixedly sleeved on the outer side of the sleeve frame 31;
and a fixing bolt 5 is inserted into the thread of one side of the rotor rear section 2, which is far away from the rotor front section 1, and the middle part of the fixing bolt 5 is inserted into the guide rod 32.
The middle part of one end of the rotor rear section 2, which is far away from the rotor front section 1, is provided with a guide clamping groove 202 matched with the guide rod 32 for use, the guide rod 32 is movably clamped in the guide clamping groove 202, and one end of the sleeve frame 31 is in close contact with one end of the rotor rear section 2, which is far away from the rotor front section 1.
The fixed surface of one side that guide bar 32 is close to cover frame 31 is connected with the spacing sand grip 33 of multiunit that is the ring array and distributes, and the spacing recess 203 of multiunit that uses with the cooperation of spacing sand grip 33 is seted up to the inner wall one side of direction draw-in groove 202, and spacing sand grip 33 activity joint is in the spacing recess 203 that corresponds, realizes the spacing installation between cover frame 31 and the rotor back end 2, makes things convenient for drive cover frame 31 to rotate, drives whole rotor body and rotates.
Rotor back end 2 keeps away from one side of rotor anterior segment 1 and is vertical to be offered and the screw thread outer tank 204 that 5 cooperations of fixing bolt used, screw thread outer tank 204 and direction draw-in groove 202 communicate with each other, the guide bar 32 keeps away from one side of cover frame 31 and is vertical to be offered and the screw thread inside groove 321 that 5 cooperations of fixing bolt used, 5 screw thread joints of fixing bolt are in screw thread outer tank 204 and screw thread inside groove 321, wherein, fixing bolt 5's top is accomodate in screw thread outer tank 204, it is fixed to realize dismantling the connection between rotor back end 2 and the coupling assembling 3, and then make things convenient for the dismantlement between bearing 4 and the rotor body, the convenience is dismantled the maintenance to the rotor body.
Rotor anterior segment 1 is close to one side middle part of rotor back end 2 and has been offered the direction spread groove 101 that uses with the cooperation of guide post 21, and guide post 21 activity joint is in direction spread groove 101, realize the direction connection between rotor anterior segment 1 and the rotor back end 2, divide into two sections with rotor body through setting up rotor anterior segment 1 and rotor back end 2, conveniently segment the split with the great rotor body of volume, thereby make things convenient for rotor body's composite erection and subsequent dismantlement to overhaul.
The middle part of the outer wall of the rotor rear section 2 on the same side of the guide post 21 is fixedly connected with a ring frame 22, one side of the ring frame 22 is fixedly provided with a plurality of groups of limiting bulges 23 distributed in an annular array, the middle part of one side of the rotor front section 1 close to the rotor rear section 2 is provided with a ring groove 102 matched with the ring frame 22 for use, and the ring frame 22 is movably clamped in the ring groove 102; spacing groove 103 that uses with spacing arch 23 cooperation is seted up to the inner wall of annular 102, and the spacing arch 23 activity joint of multiunit is in the spacing groove 103 that corresponds, through setting up the spacing arch 23 of multiunit to the activity joint is in the spacing groove 103 that corresponds, realizes the spacing connection between rotor anterior segment 1 and the rotor back end 2, and then makes things convenient for the synchronous rotation between rotor anterior segment 1 and the rotor back end 2.
Rotor anterior segment 1 is close to the spacing post 11 of three groups that rotor posterior segment 2's one end outside fixed mounting has annular array to distribute, rotor posterior segment 2 is close to the one end outside of rotor anterior segment 1 and has been seted up with spacing slot 201 that 11 cooperations of spacing post use, and three spacing 11 movable joint of three groups are in the spacing slot 201 that corresponds, through setting up three spacing post 11 of group, and the activity joint is in the spacing slot 201 that corresponds, carry out the spacing connection of direction of rotor anterior segment 1 and rotor posterior segment 2, further realize the spacing connection between rotor anterior segment 1 and the rotor posterior segment 2, further make things convenient for the synchronous rotation between rotor anterior segment 1 and the rotor posterior segment 2, the looks remote site in close contact with of rotor anterior segment 1 and rotor posterior segment 2.
The working principle is as follows: the utility model relates to a steam turbine rotor structure, wherein, divide the bigger rotor body into rotor anterior segment 1 and rotor back end 2 in segments, make things convenient for the composite mounting and subsequent dismantlement maintenance of rotor body, when needing to carry out the connection installation between rotor anterior segment 1 and rotor back end 2, through guide post 21 activity joint in direction spread groove 101, and three groups of spacing post 11 activity joints in corresponding spacing slot 201, carry out the direction connection between rotor anterior segment 1 and rotor back end 2, at this moment, ring frame 22 activity joint is in annular groove 102, and multiunit spacing arch 23 activity joint is in corresponding spacing groove 103, until the relative end of rotor anterior segment 1 and rotor back end 2 is in close contact, thereby realize the spacing connection between rotor anterior segment 1 and rotor back end 2, and then make things convenient for the synchronous rotation between rotor anterior segment 1 and rotor back end 2, subsequently, carry out the connection installation between bearing 4 and the rotor back end 2 through using coupling assembling 3, with guide bar 32 activity joint in direction draw-in groove 202, and spacing sand grip 33 activity joint is in the spacing recess 203 that corresponds, one end up to chase 31 and the one end in close contact with that rotor back end 2 kept away from rotor anterior segment 1, finally, use fixing bolt 5 screw thread joint in screw thread outer tank 204 and screw thread inside groove 321, and make fixing bolt 5's top accomodate in screw thread outer tank 204, thereby realize dismantling between rotor back end 2 and the coupling assembling 3 and connect fixedly, and make things convenient for the dismantlement between bearing 4 and the rotor body, thereby conveniently dismantle the maintenance to the rotor body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A steam turbine rotor structure, includes rotor body, its characterized in that: the rotor body comprises a rotor front section (1) and a rotor rear section (2), a guide post (21) is fixedly arranged in the middle of one side of the rotor rear section (2), the guide post (21) is movably clamped in the middle of one side of the rotor front section (1), and a connecting assembly (3) is movably clamped in the middle of one end, far away from the rotor front section (1), of the rotor rear section (2);
the connecting assembly (3) comprises a sleeve frame (31), a guide rod (32) is fixedly installed in the middle of one side of the sleeve frame (31), the guide rod (32) is movably clamped in the middle of one end, away from the front rotor section (1), of the rear rotor section (2), and a bearing (4) is fixedly sleeved on the outer side of the sleeve frame (31);
and a fixing bolt (5) is inserted into the thread on one side of the rear rotor section (2) far away from the front rotor section (1), and the middle part of the fixing bolt (5) is inserted into the guide rod (32).
2. The steam turbine rotor structure of claim 1, wherein: the middle part of one end, far away from the rotor front section (1), of the rotor rear section (2) is provided with a guide clamping groove (202) matched with the guide rod (32) for use, the guide rod (32) is movably clamped in the guide clamping groove (202), and one end of the sleeve frame (31) is in close contact with one end, far away from the rotor front section (1), of the rotor rear section (2).
3. The steam turbine rotor structure according to claim 2, wherein: the utility model discloses a guide bar, including guide bar (32), one side outer fixed surface that is close to cover frame (31) is connected with the spacing sand grip of multiunit (33) that are the annular array and distribute, the spacing recess of multiunit (203) that uses with spacing sand grip (33) cooperation are seted up to inner wall one side of guide slot (202), and spacing sand grip (33) activity joint is in corresponding spacing recess (203).
4. The steam turbine rotor structure according to claim 2, wherein: one side, far away from the rotor front section (1), of the rotor rear section (2) is vertically provided with a thread outer groove (204) matched with a fixing bolt (5) for use, the thread outer groove (204) is communicated with a guide clamping groove (202), one side, far away from the sleeve frame (31), of the guide rod (32) is vertically provided with a thread inner groove (321) matched with the fixing bolt (5) for use, and the fixing bolt (5) is in threaded connection with the thread outer groove (204) and the thread inner groove (321).
5. The steam turbine rotor structure of claim 1, wherein: the middle part of one side of the front rotor section (1) close to the rear rotor section (2) is provided with a guide connecting groove (101) matched with the guide column (21) for use, and the guide column (21) is movably clamped in the guide connecting groove (101).
6. The steam turbine rotor structure of claim 1, wherein: rotor back end (2) outer wall middle part fixedly connected with ring frame (22) of guide post (21) homonymy, one side fixed mounting of ring frame (22) has the spacing arch of multiunit (23) that are the ring array and distribute, annular (102) that cooperate the use with ring frame (22) are seted up in one side middle part that rotor anterior segment (1) is close to rotor back end (2), and ring frame (22) activity joint is in annular (102).
7. The steam turbine rotor structure according to claim 6, wherein: the inner wall of the ring groove (102) is provided with a limiting groove (103) matched with the limiting protrusions (23) for use, and the plurality of groups of limiting protrusions (23) are movably clamped in the corresponding limiting grooves (103).
8. The steam turbine rotor structure of claim 1, wherein: rotor anterior segment (1) is close to the one end outside fixed mounting of rotor back end (2) has three spacing posts of group (11) that the annular array distributes, rotor back end (2) are close to the one end outside of rotor anterior segment (1) and offer spacing slot (201) that use with spacing post (11) cooperation, and three spacing posts of group (11) activity joint in corresponding spacing slot (201), the looks remote site in close contact with of rotor anterior segment (1) and rotor back end (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120549729.XU CN214887242U (en) | 2021-03-17 | 2021-03-17 | Steam turbine rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120549729.XU CN214887242U (en) | 2021-03-17 | 2021-03-17 | Steam turbine rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887242U true CN214887242U (en) | 2021-11-26 |
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ID=79036992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120549729.XU Active CN214887242U (en) | 2021-03-17 | 2021-03-17 | Steam turbine rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887242U (en) |
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2021
- 2021-03-17 CN CN202120549729.XU patent/CN214887242U/en active Active
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 311106 No.2 Road, industrial block, Tangqi Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Steam Turbine Casting and Forging Co.,Ltd. Address before: 311106 No.2 Road, industrial block, Tangqi Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU STEAM TURBINE CASTING AND FORGING Co.,Ltd. |