CN115559817B - Double-support mounting frame structure of hydraulic starting device of gas turbine - Google Patents
Double-support mounting frame structure of hydraulic starting device of gas turbine Download PDFInfo
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- CN115559817B CN115559817B CN202211524096.2A CN202211524096A CN115559817B CN 115559817 B CN115559817 B CN 115559817B CN 202211524096 A CN202211524096 A CN 202211524096A CN 115559817 B CN115559817 B CN 115559817B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/32—Arrangement, mounting, or driving, of auxiliaries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
Abstract
The invention belongs to the technical field of gas turbines, and particularly relates to a double-support mounting frame structure of a hydraulic starting device of a gas turbine, which comprises a suspension bracket, a first support frame assembly and a second support frame assembly; the first support frame assembly is connected between the edge of the suspension support and the compressor casing; the second support frame component is arranged along the axial direction of the hydraulic starting device and provides a supporting force of the axial hydraulic starting device, and the suspension support is fixed on the outer side of the compressor casing. The double-support mounting frame structure used in the scheme can effectively reduce the cantilever distance of the hydraulic starting device while realizing the stable mounting of the hydraulic starting device; the first support frame component can transmit force to the casing of the gas compressor, so that stress of necessary components such as a clutch and a transmission component is effectively and remarkably reduced, a load environment on a torque transmission route is greatly improved, and design and material selection difficulty of the components such as the clutch and the transmission component is reduced.
Description
Technical Field
The invention belongs to the technical field of gas turbines, and particularly relates to a double-support mounting frame structure of a hydraulic starting device of a gas turbine.
Background
A gas turbine, i.e., a gas turbine engine, is an internal combustion type power machine that converts energy of combustion gas into useful work, and is widely used in various fields, for example: the power generation device is applied to the field of civil power generation or used as a power device in an airplane or a large ship. The working process of the gas turbine is as follows: the compressor continuously sucks air from the atmosphere and compresses the air; the compressed air enters a combustion chamber, is mixed with gas sprayed in the combustion chamber and then is combusted to form high-temperature gas, then the high-temperature gas flows into a gas turbine to expand and do work, and the high-temperature gas is used for pushing the turbine to drive a gas compressor to rotate together; the gas turbine is a device with good cleaning performance and high efficiency, and has the advantages of small volume, low weight and the like.
Starting devices (or starters) in aircraft engines and gas turbines are usually fixed by directly mounting the starting devices on an accessory transmission casing, and the mode can be well suitable for mounting starting devices without external force input, such as motors, gas turbine starters and the like.
At present, a starting device is often required to be used for primary driving in the starting process of a gas compressor rotor of a gas turbine, the application of the hydraulically-driven starting device in the starting field of the gas turbine is not mature, and if hydraulic oil is used for driving the starting device, because the oil supply and return pressure difference is extremely large (can often reach about 35 MPa), the high oil pressure difference can generate several tons of acting force on the starting device, and the starting device and a transmission mechanism are required to have extremely high coaxiality and space matching requirements; the traditional mounting mode of the accessory transmission casing cannot meet the mounting and use requirements of the hydraulic starting device at present, and if the hydraulic starting device is mounted on the ground, the hydraulic starting device on the ground cannot be matched with the thermal deformation of the gas turbine due to large thermal deformation generated in the operation process of the gas turbine.
Therefore, there is a need for a mounting bracket structure that can secure a hydraulic starting device to a compressor case.
Disclosure of Invention
In order to solve the problem that the existing mounting bracket can not be applied to the gas turbine starting technology of a hydraulic starting device, the scheme provides a double-support mounting bracket structure of the hydraulic starting device of the gas turbine.
The technical scheme adopted by the invention is as follows:
a double-support mounting frame structure of a hydraulic starting device of a gas turbine comprises a suspension bracket, a first support frame component and a second support frame component;
the suspension bracket is plate-shaped, the shell of the hydraulic starting device is fixedly connected to the suspension bracket, and the axial direction of the hydraulic starting device is parallel to the axial direction of the gas turbine;
the first support frame assembly is connected between the edge of the suspension support and the compressor casing and is used for fixing and rigidly supporting the edge of the suspension support;
the second support frame component is arranged along the axial direction of the hydraulic starting device and provides a supporting force of the axial hydraulic starting device, and the second support frame component is connected between the suspension bracket and the compressor casing so as to fix the suspension bracket on the outer side of the compressor casing; a transmission component is arranged in the second support frame component; the torque output by the hydraulic starting device is transmitted to a compressor rotor of the gas turbine by a transmission assembly.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: the first support frame assembly comprises a support frame and a switching support frame; the support bracket and the switching bracket are both L-shaped, the vertical surface of the switching bracket is fixedly connected with the edge of the suspension bracket through a bolt, the transverse surface of the switching bracket is fixedly connected with the transverse surface of the support bracket through a bolt, and the vertical surface of the support bracket is fixedly connected with the flange part on the compressor casing through a bolt.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: a radial waist-shaped hole is formed in the vertical surface of the switching support, and the length direction of the radial waist-shaped hole is radial to the gas turbine; a tangential waist-shaped hole is formed in the transverse surface of the switching support, and the length direction of the tangential waist-shaped hole is parallel to the tangential direction of the gas turbine; an axial waist-shaped hole is formed in the transverse face of the supporting support, and the length direction of the axial waist-shaped hole is parallel to the axial direction of the gas turbine.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: a middle reinforcing rib plate and a reinforcing wing plate are connected between the transverse surface and the vertical surface of the supporting bracket, and the reinforcing wing plates are respectively arranged at two sides of the middle reinforcing rib plate; the edge of the vertical surface of the support bracket is provided with an arc-shaped structure matched with the compressor casing, and the arc-shaped structure is attached to the compressor casing along the axial direction of the gas turbine and is fixed through bolts.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: and a reinforcing plate is arranged between the transverse surface and the vertical surface of the switching bracket.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: the second support frame component comprises a positioning ring sleeve, a clutch shell and a driver shell which are coaxially and sequentially connected; a clutch is arranged in the clutch shell; a flexible coupling is arranged in the positioning ring sleeve and connected between the clutch and an output shaft of the hydraulic starting device; a transmission gear set is arranged in the driver shell and used for transmitting the torque output by the clutch to a gas turbine compressor rotor; the positioning ring sleeve is made of a deformable and resilient elastic material and is used for compensating the dislocation between the hydraulic starting device and the clutch.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: the driver shell comprises a front driving shell and a rear driving shell which are coaxially connected.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: a first rotating connecting part is arranged on the outer wall of the clutch shell, a first rotating connecting frame is fixed on the outer wall of the compressor casing, and a first connecting piece is connected between the first rotating connecting part and the first rotating connecting frame; two ends of the first connecting sheet are respectively rotatably connected with the first rotating connecting part and the first rotating connecting frame; the plane of rotation of the first connecting piece is parallel to the axial direction of the hydraulic starting device.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: a second rotary connecting part is arranged on the outer wall of the front transmission shell, a second rotary connecting frame is fixed on the second support frame component, and a second connecting piece is connected between the second rotary connecting part and the second rotary connecting frame; two ends of the second connecting piece are respectively rotatably connected with the second rotating connecting part and the second rotating connecting frame; the rotation plane of the second connecting piece is perpendicular to the axial direction of the hydraulic starting device.
As an alternative or complementary design to the double support mount structure of the hydraulic starting device of the gas turbine described above: a third rotary connecting part is arranged on the outer wall of the rear transmission shell, a third rotary connecting frame is fixed on the outer wall of the casing of the gas compressor, and a third connecting piece is connected between the third rotary connecting part and the third rotary connecting frame; two ends of the third connecting piece are respectively rotatably connected with the third rotating connecting part and the third rotating connecting frame; the rotating plane of the third connecting piece is perpendicular to the axial direction of the hydraulic starting device; the second rotation connecting part and the third rotation connecting part are respectively positioned at different positions of the driver shell in the circumferential direction and the axial direction.
The beneficial effects of the invention are as follows:
1. the double-support mounting frame structure used in the scheme can effectively reduce the cantilever distance of the hydraulic starting device while realizing the stable mounting of the hydraulic starting device; the first support frame component can transmit vibration force generated by the hydraulic starting device and other external force to the compressor casing, so that stress of transmission components such as a clutch and a transmission gear set is effectively and remarkably reduced, a load environment on a torque transmission route is greatly improved, and design and material selection difficulty of parts such as the clutch and the transmission components is reduced.
2. The structure in the scheme can connect and fix the starting device and the compressor casing of the gas turbine together, can effectively ensure the coaxiality of an output shaft of the starting device and a transmission assembly, reduce the influence of deformation of the compressor casing in the thermal expansion process on the torque transmission of the starting device, and realize the synchronous deformation and coordination of the starting device and the compressor casing in the axial direction and the radial direction;
3. the first support frame component in the scheme adopts a three-way adjusting structure, and particularly, waist-shaped holes are respectively formed in the transverse face and the vertical face of the switching support and the transverse face of the support, and the length directions of the waist-shaped holes are respectively parallel to the waist-shaped holes in different directions, so that the first support frame component can be locally adjusted as required in the using process, and the installation stability of the hydraulic starting device is ensured; the three-way adjusting structure obviously reduces the mounting stress, improves the assembly coaxiality of the transmission structure and reduces the mounting difficulty in the mounting process of the starting device;
4. the invention adopts the structure of the flexible coupling and the positioning ring sleeve, can effectively ensure the torque transmission of the hydraulic starting device, and the positioning case adopts high-elasticity materials, thereby effectively ensuring the coaxiality of the mounting of the coupling, simultaneously not transmitting excessive force borne by the starting device to the shell of the driver, and ensuring the safety of transmission components such as a clutch, a transmission gear set and the like and the stability of the operation of internal parts.
Drawings
In order to clearly illustrate the embodiment of the present invention or the technical solutions in the prior art, the drawings used in the embodiment or the prior art description will be briefly introduced below.
FIG. 1 is a perspective view of a dual support mount configuration in use;
FIG. 2 is a sectional view showing a structure of a double support mount structure in a use state;
FIG. 3 is a radial side view angle block diagram of the support bracket, adaptor bracket and suspension bracket engagement;
FIG. 4 is a radial side view angle block diagram of the adapter bracket and suspension bracket mating;
FIG. 5 is an axial side view angle block diagram of the adapter bracket and the suspension bracket;
fig. 6 is a view showing a connection state of a clutch housing and a transmission housing.
In the figure: 1-compressor casing; 2-a support bracket; 21-axial kidney-shaped hole; 22-middle reinforcing rib plate; 23-a reinforcing wing plate; 3-a switching bracket; 31-tangential waist-shaped hole; 32-radial kidney shaped hole; 4-hanging the bracket; 5-hydraulic starting device; 6-a flexible coupling; 7-positioning ring sleeve; 8-a clutch housing; 81-a first rotational connection; 82-a first rotating link; 9-front transmission housing; 91-a second rotary connection; 92-a second rotating link; 93-a second connecting piece; 10-a rear transmission housing; 101-a third rotational connection; 102-a third rotating link; 103-third connecting piece.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts will belong to the protection scope of the present solution based on the embodiments in the present solution.
Example 1
As shown in fig. 1 to 6, the present embodiment relates to a double support mounting structure of a hydraulic starting apparatus of a gas turbine, which includes a suspension bracket 4, a first support frame assembly, a second support frame assembly, and the like.
The suspension bracket 4 is in a plate shape, the plate surface of the suspension bracket 4 is perpendicular to the axial direction of the gas turbine, and when the hydraulic starting device 5 is installed, the shell of the hydraulic starting device is fixedly connected to the suspension bracket 4, so that the axial direction of the hydraulic starting device 5 can be parallel to the axial direction of the gas turbine.
The first support frame assembly is connected between the edge of the suspension bracket 4 and the compressor casing 1, and fixes and rigidly supports the edge of the suspension bracket 4. The first support frame assembly should be constructed to be highly rigid and have high yield strength and low elasticity, such as: after fixation with the first support frame assembly and in use, the total deformation should be less than 0.4mm, so that the flexible coupling 6 can be deformed within 0.5 mm.
The first support frame component comprises a support frame 2 and a switching support frame 3; the support bracket 2 and the switching bracket 3 are both L-shaped, the vertical surface of the switching bracket 3 is fixedly connected with the edge of the suspension bracket 4 through a bolt, the transverse surface of the switching bracket 3 is fixedly connected with the transverse surface of the support bracket 2 through a bolt, and the vertical surface of the support bracket 2 is fixedly connected with the flange part on the compressor casing 1 through a bolt.
A radial kidney-shaped hole 32 is formed in the vertical surface of the switching bracket 3, and the length direction of the radial kidney-shaped hole 32 is radial to the gas turbine; a tangential waist-shaped hole 31 is formed in the transverse surface of the switching bracket 3, and the length direction of the tangential waist-shaped hole 31 is parallel to the tangential direction of the gas turbine; the transverse surface of the supporting bracket 2 is provided with an axial waist-shaped hole 21, and the length direction of the axial waist-shaped hole 21 is parallel to the axial direction of the gas turbine. The hydraulic starting device 5 can be adjusted in three directions through hole structures such as the radial waist-shaped hole 32, the tangential waist-shaped hole 31 and the axial waist-shaped hole 21, and specifically, the installation position of the hydraulic starting device 5 can be close to or far away from the compressor casing 1 through the radial waist-shaped hole 32; the tangential waist-shaped hole 31 enables the installation position of the hydraulic starting device 5 to be adjusted by a small amplitude along the circumferential direction of the compressor casing 1; the axial waist-shaped hole 21 enables the installation position of the hydraulic starting device 5 to be finely adjusted along the axial direction of the compressor casing 1, and the three-way adjusting structure can obviously reduce the installation stress and the installation difficulty and simultaneously improve the assembly coaxiality of the transmission structure in the installation process of the hydraulic starting device 5.
A middle reinforcing rib plate 22 and a reinforcing wing plate 23 are connected between the transverse surface and the vertical surface of the support bracket 2, and the reinforcing wing plates 23 are respectively arranged on two sides of the middle reinforcing rib plate 22; the edge of the vertical surface of the support bracket 2 is provided with an arc-shaped structure matched with the compressor casing 1, and the arc-shaped structure is attached to the compressor casing 1 along the axial direction of the gas turbine and is fixed through bolts. The middle reinforcing rib plate 22 and the reinforcing wing plate 23 may be integrally cast with the support bracket 2 or welded, and the middle reinforcing rib plate 22 and the reinforcing wing plate 23 function to support the transverse surface and the vertical surface of the support bracket 2, so as to ensure the angle between the two and the stability of the structure. A reinforcing plate is arranged between the transverse surface and the vertical surface of the adapter bracket 3. The reinforcing plate can realize mutual support of the transverse surface and the vertical surface of the adapter bracket 3.
The second support frame component is arranged along the axial direction of the hydraulic starting device 5 and provides a supporting force of the axial hydraulic starting device 5, and the second support frame component is connected between the suspension bracket 4 and the compressor casing 1 so that the suspension bracket 4 is fixed on the outer side of the compressor casing 1; a transmission component is arranged in the second support frame component; the torque output by the hydraulic starting device 5 is transmitted to a compressor rotor of the gas turbine by a transmission assembly.
The second support frame component comprises a positioning ring sleeve 7, a clutch shell 8 and a transmission shell which are coaxially and sequentially connected; a clutch is arranged in the clutch shell 8; a flexible coupling 6 is arranged in the positioning ring sleeve 7, and the flexible coupling 6 is connected between the clutch and an output shaft of the hydraulic starting device 5; a transmission gear set is arranged in the driver shell and used for transmitting the torque output by the clutch to a gas turbine compressor rotor; the positioning collar 7 is made of a deformable and resilient elastic material to compensate for the misalignment between the hydraulic actuating device 5 and the clutch.
When the gas turbine is started, the hydraulic starting device 5 drives the flexible coupling 6 and the clutch to rotate, transmits torque to the transmission gear set, and drives fluid machines such as a turbine and the like in the gas turbine to operate by the transmission gear set, so that the gas turbine is started. After the gas turbine is started, the clutch is disengaged according to the rotation speed signal and the set rotation speed threshold value, and the hydraulic starting device 5 is controlled to stop operation. The flexible coupler 6 is made of a material with certain flexibility, so that the flexible coupler 6 has certain angular compensation capacity, and when vibration or spatial deformation occurs between the clutch and the hydraulic starting device 5 in the starting process or after the starting process, the deformation of the flexible coupler can be effectively compensated, and the torque can be effectively transmitted. In addition, the positioning ring sleeve 7 should also be made of a high-elasticity material, so that space positioning can be effectively provided during installation, and the transmission of stress of the hydraulic starting device 5 to the transmission assembly can be effectively reduced during operation by utilizing the characteristic of high elasticity of the positioning ring sleeve 7, and particularly, the positioning ring sleeve 7 and the transmission housing can be made of high-elasticity materials such as cast aluminum or stainless steel, so that slight deformation can be realized while the cost and the weight are reduced, and the transmitted stress generated by deformation between the clutch and the hydraulic starting device 5 is reduced.
The transmission housing comprises a front transmission housing 9 and a rear transmission housing 10 which are coaxially connected. A first rotating connecting part 81 is arranged on the outer wall of the clutch housing 8, a first rotating connecting frame 82 is fixed on the outer wall of the compressor casing 1, and a first connecting sheet is connected between the first rotating connecting part 81 and the first rotating connecting frame 82; two ends of the first connecting piece are respectively rotatably connected with the first rotating connecting part 81 and the first rotating connecting frame 82; the plane of rotation of the first connecting web is parallel to the axial direction of the hydraulic actuating device 5. A second rotary connecting part 91 is arranged on the outer wall of the front transmission shell 9, a second rotary connecting frame 92 is fixed on the second support frame component, and a second connecting piece 93 is connected between the second rotary connecting part 91 and the second rotary connecting frame 92; two ends of the second connecting piece 93 are respectively rotatably connected with the second rotating connecting part 91 and the second rotating connecting frame 92; the plane of rotation of the second web 93 is perpendicular to the axial direction of the hydraulic actuating device 5. A third rotary connecting part 101 is arranged on the outer wall of the rear transmission shell 10, a third rotary connecting frame 102 is fixed on the outer wall of the compressor casing 1, and a third connecting piece 103 is connected between the third rotary connecting part 101 and the third rotary connecting frame 102; two ends of the third connecting piece 103 are respectively rotatably connected with the third rotating connecting part 101 and the third rotating connecting frame 102; the rotation plane of the third connecting sheet 103 is perpendicular to the axial direction of the hydraulic starting device 5; the second and third rotation connections 91, 101 are located at different positions of the transmission housing in the circumferential and axial direction, respectively. Through the rotatable connection mode of the connecting sheets, the connecting sheets with matched sizes can be manufactured according to the distance between the driver shell and the shell of the compressor casing 1, and the installation difficulty is effectively reduced; in addition, the directions of the rotating planes of different connecting sheets are different, so that the transmission shell and the clutch shell 8 can be effectively prevented from rotating to influence the transmission of torque.
Example 2
As shown in fig. 1 to 5, the present embodiment relates to a structure that can be used for reinforcing a mount of a starting apparatus of a gas turbine, and specifically relates to a first support bracket assembly that includes a support bracket 2 and an adapter bracket 3.
The support bracket 2 and the adapting bracket 3 are both L-shaped, the vertical surface of the adapting bracket 3 is fixedly connected with the edge of the suspension bracket 4 through bolts, the transverse surface of the adapting bracket 3 is fixedly connected with the transverse surface of the support bracket 2 through bolts, and the vertical surface of the support bracket 2 is fixedly connected with the flange part on the compressor casing 1 through bolts.
A radial kidney-shaped hole 32 is formed in the vertical surface of the adapter bracket 3, and the length direction of the radial kidney-shaped hole 32 is radial to the gas turbine; a tangential waist-shaped hole 31 is formed in the transverse surface of the switching bracket 3, and the length direction of the tangential waist-shaped hole 31 is parallel to the tangential direction of the gas turbine; the transverse surface of the supporting bracket 2 is provided with an axial waist-shaped hole 21, and the length direction of the axial waist-shaped hole 21 is parallel to the axial direction of the gas turbine.
A middle reinforcing rib plate 22 and a reinforcing wing plate 23 are connected between the transverse surface and the vertical surface of the support bracket 2, and the reinforcing wing plates 23 are respectively arranged on two sides of the middle reinforcing rib plate 22; the edge of the vertical surface of the support bracket 2 is provided with an arc-shaped structure matched with the compressor casing 1, and the arc-shaped structure is attached to the compressor casing 1 along the axial direction of the gas turbine and is fixed through bolts. And a reinforcing plate is arranged between the transverse surface and the vertical surface of the switching bracket 3.
The first support frame assembly in the embodiment can be matched with the second support frame assembly in the embodiment 1 to support the hydraulic starting device 5, and can also be applied to reinforcement of mounting frames between gas turbines of other models and starting devices, so that the stress of the original mounting frame is reduced, and the stability of the starting device in the using process is ensured.
The above examples are merely for clearly illustrating the examples and are not intended to limit the embodiments; and are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this technology may be resorted to while remaining within the scope of the technology.
Claims (8)
1. A double-support mounting frame structure of a hydraulic starting device of a gas turbine is characterized in that: comprises a suspension bracket (4), a first support frame component and a second support frame component;
the suspension bracket (4) is plate-shaped, the shell of the hydraulic starting device (5) is fixedly connected to the suspension bracket (4), and the axial direction of the hydraulic starting device (5) is parallel to the axial direction of the gas turbine;
the first support frame assembly is connected between the edge of the suspension support (4) and the compressor casing (1), and is used for fixing and rigidly supporting the edge of the suspension support (4);
the second support frame component is arranged along the axial direction of the hydraulic starting device (5) and provides a supporting force of the axial hydraulic starting device (5), and the second support frame component is connected between the suspension bracket (4) and the compressor casing (1) so that the suspension bracket (4) is fixed on the outer side of the compressor casing (1); a transmission assembly is arranged in the second support frame assembly; the torque output by the hydraulic starting device (5) is transmitted to a compressor rotor of the gas turbine by a transmission assembly;
the first support frame component comprises a support frame (2) and a switching support frame (3); the support bracket (2) and the switching bracket (3) are both L-shaped, the vertical surface of the switching bracket (3) is fixedly connected with the edge of the suspension bracket (4) through a bolt, the transverse surface of the switching bracket (3) is fixedly connected with the transverse surface of the support bracket (2) through a bolt, and the vertical surface of the support bracket (2) is fixedly connected with a flange part on the compressor casing (1) through a bolt;
a radial waist-shaped hole (32) is formed in the vertical surface of the switching support (3), and the length direction of the radial waist-shaped hole (32) is radial to the gas turbine; a tangential waist-shaped hole (31) is formed in the transverse surface of the switching support (3), and the length direction of the tangential waist-shaped hole (31) is parallel to the tangential direction of the gas turbine; the gas turbine support is characterized in that an axial waist-shaped hole (21) is formed in the transverse surface of the support bracket (2), and the length direction of the axial waist-shaped hole (21) is parallel to the axial direction of the gas turbine.
2. The double support mount structure of a hydraulic starting apparatus for a gas turbine according to claim 1, wherein: a middle reinforcing rib plate (22) and a reinforcing wing plate (23) are connected between the transverse surface and the vertical surface of the supporting bracket (2), and the reinforcing wing plates (23) are respectively arranged on two sides of the middle reinforcing rib plate (22); the edge of the vertical surface of the support bracket (2) is provided with an arc-shaped structure matched with the compressor casing (1), and the arc-shaped structure is attached to the compressor casing (1) along the axial direction of the gas turbine and is fixed through bolts.
3. The double support mount structure of a hydraulic starting apparatus for a gas turbine according to claim 2, wherein: and a reinforcing plate is arranged between the transverse surface and the vertical surface of the switching bracket (3).
4. The double support mount structure of a hydraulic starting apparatus for a gas turbine according to claim 1, wherein: the second support frame component comprises a positioning ring sleeve (7), a clutch shell (8) and a driver shell which are coaxially and sequentially connected; a clutch is arranged in the clutch shell (8); a flexible coupling (6) is arranged in the positioning ring sleeve (7), and the flexible coupling (6) is connected between the clutch and an output shaft of the hydraulic starting device (5); a transmission gear set is arranged in the driver shell and used for transmitting the torque output by the clutch to a gas turbine compressor rotor; the positioning ring (7) is made of a deformable and resilient elastic material for compensating for a misalignment between the hydraulic actuating device (5) and the clutch.
5. The double support mount structure of a hydraulic starting apparatus for a gas turbine according to claim 4, wherein: the driver shell comprises a front driving shell (9) and a rear driving shell (10) which are coaxially connected.
6. The double support mount structure of a hydraulic starting apparatus for a gas turbine according to claim 5, wherein: a first rotating connecting part (81) is arranged on the outer wall of the clutch shell (8), a first rotating connecting frame (82) is fixed on the outer wall of the compressor casing (1), and a first connecting sheet is connected between the first rotating connecting part (81) and the first rotating connecting frame (82); two ends of the first connecting sheet are respectively rotatably connected with the first rotating connecting part (81) and the first rotating connecting frame (82); the plane of rotation of the first connecting piece is parallel to the axial direction of the hydraulic starting device (5).
7. The double support mount structure of a hydraulic starting apparatus for a gas turbine according to claim 6, wherein: a second rotary connecting part (91) is arranged on the outer wall of the front transmission shell (9), a second rotary connecting frame (92) is fixed on the second support frame assembly, and a second connecting piece (93) is connected between the second rotary connecting part (91) and the second rotary connecting frame (92); two ends of the second connecting piece (93) are respectively rotatably connected with the second rotating connecting part (91) and the second rotating connecting frame (92); the plane of rotation of the second web (93) is perpendicular to the axial direction of the hydraulic starting device (5).
8. The double support mount structure of a hydraulic starting apparatus for a gas turbine according to claim 7, wherein: a third rotary connecting part (101) is arranged on the outer wall of the rear transmission shell (10), a third rotary connecting frame (102) is fixed on the outer wall of the compressor casing (1), and a third connecting piece (103) is connected between the third rotary connecting part (101) and the third rotary connecting frame (102); two ends of the third connecting piece (103) are respectively rotatably connected with the third rotating connecting part (101) and the third rotating connecting frame (102); the rotation plane of the third connecting piece (103) is vertical to the axial direction of the hydraulic starting device (5); the second rotary connecting part (91) and the third rotary connecting part (101) are respectively positioned at different positions of the driver shell in the circumferential direction and the axial direction.
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| CN202211524096.2A CN115559817B (en) | 2022-12-01 | 2022-12-01 | Double-support mounting frame structure of hydraulic starting device of gas turbine |
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