CN117905732A - Rotary connection structure of gas turbine compressor rotatable guide vane - Google Patents
Rotary connection structure of gas turbine compressor rotatable guide vane Download PDFInfo
- Publication number
- CN117905732A CN117905732A CN202410084979.9A CN202410084979A CN117905732A CN 117905732 A CN117905732 A CN 117905732A CN 202410084979 A CN202410084979 A CN 202410084979A CN 117905732 A CN117905732 A CN 117905732A
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- CN
- China
- Prior art keywords
- rocker arm
- guide vane
- rotatable guide
- gas turbine
- fixed
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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.)
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- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a rotary connection structure of a rotatable guide vane of a gas turbine compressor, which comprises a linkage ring, a rocker arm pull rod, a rocker arm, the rotatable guide vane and a joint roller; the rotatable guide vane is mounted on the casing; one end of the rocker arm is fixed on a rotating handle of the rotatable guide vane, and the other end of the rocker arm is connected with the rocker arm pull rod; the joint roller is fixed on the rocker arm; the other end of the rocker arm pull rod is fixed on the linkage ring. The push-pull force generated by the driver acts on the linkage ring through the rotating mechanism to enable the linkage ring to generate rotary displacement, and the push-pull force is transmitted to the rotatable guide vanes through the connecting structure to enable all the rotatable guide vanes to generate unified rotation. In addition, the invention provides an adjustment design scheme of part of the structure based on the design structure, and the rotating connection structure of the rotatable guide vane of the gas turbine compressor provided by the invention has simple and reliable structure, improves the consistency and the structural reliability of the rotating angle of the rotatable guide vane, and is very suitable for the design of the rotating connection structure of each row of rotatable guide vane of the gas turbine compressor.
Description
Technical Field
The invention belongs to the field of gas turbines, and particularly relates to a rotary connection structure of a rotatable guide vane of a gas turbine compressor.
Background
The single-shaft multistage axial-flow compressor generally adopts a multi-row rotatable guide vane structure, and the performance requirements of high rotation speed, high efficiency, low rotation speed and high surge margin of the compressor are realized by adjusting the rotation angles of the rotatable guide vanes of each row under different rotation speeds. The rotatable guide vane rotating connection structure is used as a component for transmitting torque to rotate the rotatable guide vane, and generally comprises main components such as a rocker arm, a rocker arm pull rod, a linkage ring, a joint roller and the like.
Disclosure of Invention
The invention aims to provide a rotating connection structure of a gas turbine compressor rotatable guide vane, which ensures that the rotating structure of the rotatable guide vane is coordinated and does not interfere with the rotating structure of the rotatable guide vane.
The rotary connecting structure of the rotatable guide vane of the gas turbine compressor comprises a linkage ring, a rocker arm pull rod, a rocker arm, the rotatable guide vane and a joint roller; the rotatable guide vane is mounted on the casing; one end of the rocker arm is fixed on a rotating handle of the rotatable guide vane, and the other end of the rocker arm is connected with the rocker arm pull rod; the joint roller is fixed on the rocker arm; the other end of the rocker arm pull rod is fixed on the linkage ring.
Further, the rocker arm and the rotatable vane are stopped by a self-locking nut.
Further, the rocker arm tie rod is disposed perpendicular to the compressor axis.
Further, the articulating roller is secured to the rocker arm by a spindle nut and tapered washer.
Further, the other end of the rocker arm pull rod is fixed on the linkage ring through a joint roller, a shaft nut, a conical gasket and a shaft bolt, the rocker arm pull rod can rotate around the joint roller, and the joint roller is fixed on the linkage ring through the shaft bolt and is axially stopped through the shaft nut and the conical gasket.
Further, the rocker arm tie rod is placed parallel to the compressor axis.
Further, one end of the rocker arm is fixed on a rotating handle of the rotatable guide vane, and is stopped by a screw.
Further, the articulating roller is secured to the rocker arm by a spindle nut and a spindle bolt.
Further, the other end of the rocker arm pull rod is fixed on the lug seat through the joint roller, the shaft nut and the shaft bolt, the lug seat is fixed on the linkage ring, and the rocker arm pull rod can rotate around the joint roller.
Further, the articulation roller is stopped by a spindle nut.
The invention has the beneficial effects that: according to the connecting structure for connecting the linkage ring and the rotatable guide vane, the push-pull force generated by the driver acts on the linkage ring through the rotating mechanism, so that the linkage ring generates rotary displacement, and the rotary displacement is transmitted to the rotatable guide vane through the connecting structure, so that all the rotatable guide vanes generate unified rotation. In addition, the invention provides an adjustment design scheme of part of the structure based on the design structure, and the rotating connection structure of the rotatable guide vane of the gas turbine compressor provided by the invention has simple and reliable structure, improves the consistency and the structural reliability of the rotating angle of the rotatable guide vane, and is very suitable for the design of the rotating connection structure of each row of rotatable guide vane of the gas turbine compressor.
Drawings
FIG. 1 is a block diagram A of the present invention;
FIG. 2 is a block diagram B of the present invention;
FIG. 3 is a cross-sectional view A of the present invention;
FIG. 4 is a cross-sectional view B of the present invention;
FIG. 5 is a diagram of an adjustment design of the structure of the present invention;
FIG. 6 is a diagram of an adjustment design B of the structure of the present invention;
FIG. 7 is a sectional view A of an adjustment design of the structure of the present invention;
Fig. 8 shows a sectional view B of an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
1-2, A rotary connecting structure of a rotatable guide vane of a gas turbine compressor comprises a linkage ring 1, a rocker arm pull rod 2, a rocker arm 3, a rotatable guide vane 4, a self-locking nut 5, a joint roller 6, a shaft nut 7, a conical gasket 8 and a shaft bolt 9; the rotatable guide vane 4 is arranged on the casing, one end of the rocker arm 3 is fixed on a rotating handle of the rotatable guide vane 4, the rocker arm is stopped by a self-locking nut 5, the other end of the rocker arm 3 is connected with one end of the rocker arm pull rod 2, the rocker arm pull rod 2 and the rocker arm pull rod are guaranteed to rotate mutually by adopting a joint roller 6 structure, the joint roller 6 is fixed on the rocker arm 3 through a shaft nut 7 and a conical gasket 8, the other end of the rocker arm pull rod 2 is fixed on the linkage ring 1 through the joint roller 6, the shaft nut 7, the conical gasket 8 and a shaft bolt 9, wherein the rocker arm pull rod 2 can rotate around the joint roller 6, and the joint roller 6 is fixed on the linkage ring 1 through the shaft bolt 9 and is axially stopped by the shaft nut 7 and the conical gasket 8.
As shown in fig. 3-4, on one hand, considering the spatial interference on the casing, the arrangement of the rocker arm pull rod 2 can be adjusted, the vertical compressor axis is changed into the parallel compressor axis, and the rotation plane of the rocker arm pull rod is changed from the plane of the vertical compressor axis to the horizontal plane; on the other hand, considering the matching structure of the installation pointer and the dial, the stop connection mode of the rocker arm and the rotatable guide vane rotating handle can be adjusted to be fixed by the screw 10; the modified structure comprises a linkage ring 1, a rocker arm pull rod 2, a rocker arm 3, a rotatable guide vane 4, a joint roller 6, a shaft nut 7, a shaft bolt 9, a screw 10 and an ear seat 11; the rotatable guide vane 4 is arranged on the casing, one end of the rocker arm 3 is fixed on a rotating handle of the rotatable guide vane 4 and is stopped by a screw 10, the other end of the rocker arm 3 is connected with one end of the rocker arm pull rod 2, the rocker arm pull rod 2 and the rocker arm pull rod are guaranteed to rotate mutually by adopting a joint roller 6 structure, the joint roller 6 is fixed on the rocker arm 3 through a shaft nut 7 and a shaft bolt 9, the other end of the rocker arm pull rod 2 is fixed on an ear seat 11 through the joint roller 6, the shaft nut 7 and the shaft bolt 9, the ear seat 11 is fixed on the linkage ring 1, the rocker arm pull rod 2 can rotate around the joint roller 6, and the joint roller 6 is stopped by the shaft nut 7.
The working principle of the invention is specifically described below: when the push-pull force generated by the driver acts on the linkage ring 1 through the rotating mechanism, the linkage ring 1 generates circumferential rotation displacement, one end of the rocker arm pull rod 2 is fixed with the linkage ring 1, so that the rocker arm pull rod 2 moves along with the linkage ring 1 circumferentially, the other end of the rocker arm pull rod 2 is connected with the rocker arm 3, in the displacement process, the rocker arm pull rod 2 rotates on the linkage ring 1 and the rocker arm 3 around the joint roller 6 and drives the rocker arm 3 to rotate, and as the other end of the rocker arm 3 is fixed with the rotating handle of the rotatable guide vane 4, driving force is provided for the rotation of the rotatable guide vane 4 to drive the rotatable guide vane 4 to rotate, and as all the rocker arms 3 and the rocker arm pull rods 2 of a single row of rotatable guide vanes are connected to the unified linkage ring 1, when the linkage ring 1 rotates, the unified rotation of all the rotatable guide vanes is realized through the connecting structures such as the rocker arm 3 and the rocker arm pull rod 2.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The rotary connecting structure of the rotatable guide vane of the gas turbine compressor is characterized by comprising a linkage ring (1), a rocker arm pull rod (2), a rocker arm (3), the rotatable guide vane (4) and a joint roller (6); the rotatable guide vane (4) is arranged on the casing; one end of the rocker arm (3) is fixed on a rotating handle of the rotatable guide vane (4), and the other end of the rocker arm is connected with the rocker arm pull rod (2); the joint roller (6) is fixed on the rocker arm (3); the other end of the rocker arm pull rod (2) is fixed on the linkage ring (1).
2. A rotary connection structure of rotatable vanes of a gas turbine compressor according to claim 1, characterized in that the rocker arm (3) and rotatable vanes (4) are stopped by means of a self-locking nut (5).
3. The rotary connection structure of gas turbine compressor rotatable vanes according to claim 1, wherein the rocker arm tie (2) is placed perpendicular to the compressor axis.
4. A rotary connection of gas turbine compressor rotatable vanes according to claim 1, characterized in that the articulation roller (6) is fixed to the rocker arm (3) by means of a spindle nut (7) and a conical washer (8).
5. The rotary connection structure of a gas turbine compressor rotatable vane according to claim 4, wherein the other end of the rocker arm pull rod (2) is fixed on the linkage ring (1) through a joint roller (6), a shaft nut (7), a conical gasket (8) and a shaft bolt (9), the rocker arm pull rod (2) can rotate around the joint roller (6), and the joint roller (6) is fixed on the linkage ring (1) through the shaft bolt (9) and is axially stopped through the shaft nut (7) and the conical gasket (8).
6. A rotary connection of gas turbine compressor rotatable vanes according to claim 1, characterized in that the rocker arm tie (2) is placed parallel to the compressor axis.
7. The rotary connection structure of the rotatable vane of a gas turbine compressor according to claim 6, characterized in that one end of the rocker arm (3) is fixed to the shank of the rotatable vane (4) and is stopped by a screw (10).
8. The rotary connection structure of a gas turbine compressor rotatable vane according to claim 7, characterized in that the articulation roller (6) is fixed on the rocker arm (3) by means of a spindle nut (7) and a spindle bolt (9).
9. The rotary connection structure of the rotatable guide vane of the gas turbine compressor according to claim 8, wherein the other end of the rocker arm pull rod (2) is fixed on an ear seat (11) through a joint roller (6), a shaft nut (7) and a shaft bolt (9), the ear seat (11) is fixed on the linkage ring (1), and the rocker arm pull rod (2) can rotate around the joint roller (6).
10. A rotary connection of gas turbine compressor rotatable vanes according to claim 9, characterized in that the articulation rollers (6) are stopped by means of a spindle nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410084979.9A CN117905732A (en) | 2024-01-19 | 2024-01-19 | Rotary connection structure of gas turbine compressor rotatable guide vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410084979.9A CN117905732A (en) | 2024-01-19 | 2024-01-19 | Rotary connection structure of gas turbine compressor rotatable guide vane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117905732A true CN117905732A (en) | 2024-04-19 |
Family
ID=90691982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410084979.9A Pending CN117905732A (en) | 2024-01-19 | 2024-01-19 | Rotary connection structure of gas turbine compressor rotatable guide vane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117905732A (en) |
-
2024
- 2024-01-19 CN CN202410084979.9A patent/CN117905732A/en active Pending
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