CN117047721A

CN117047721A - Stable type supporting tool for overhauling turbine bearing

Info

Publication number: CN117047721A
Application number: CN202311035693.3A
Authority: CN
Inventors: 彭晓中; 张俊锋; 于红伟; 刘延太; 黄支明; 徐雄威; 倪玉舟; 岳三山; 袁磊; 赵广川
Original assignee: State Power Investment Group Jingmen Green Power Energy Co ltd
Current assignee: State Power Investment Group Jingmen Green Power Energy Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2023-11-14

Abstract

The invention relates to the technical field of turbine bearing overhaul, in particular to a stable supporting tool for turbine bearing overhaul, which moves through a vehicle body to enable a turnover mechanism to be positioned above a turbine, lowers the turnover mechanism through a supporting mechanism to enable a position adjusting mechanism to clamp the turbine, turns over the turbine ninety degrees through the turnover mechanism, lifts the turnover mechanism through the supporting mechanism, then a worker dismantles each part on the turbine, adjusts the positions of the dismantled parts of the turbine through the position adjusting mechanism, and facilitates the worker to overhaul the turbine bearing and other parts of the turbine, thereby improving the practicability of equipment; comprises a vehicle body; the automobile body is characterized by further comprising a supporting mechanism, a turnover mechanism and a position adjusting mechanism, wherein the supporting mechanism is arranged on the automobile body, the turnover mechanism is arranged on the supporting mechanism, and the position adjusting mechanism is arranged on the turnover mechanism.

Description

Stable type supporting tool for overhauling turbine bearing

Technical Field

The invention relates to the technical field of turbine bearing overhaul, in particular to a stable supporting tool for turbine bearing overhaul.

Background

The turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates, and meanwhile, external acting is performed to generate power, and after the turbine is used for a long time, the bearing is required to be overhauled.

Conventionally, a top casing, an upper half bearing, a rotor and a lower half bearing of a steam turbine are sequentially lifted and placed to a designated position by a turbine rotor lifting tool disclosed in an invention patent with an issued publication number of CN101670975B, a turbine rotor lifting tool disclosed in an invention patent with an issued publication number of CN112744687a, and the like, and the rotor and each component are required to be supported by a specific fixture and overhauled.

However, when the middle and small steam turbine is overhauled, the components are easy to shake when being lifted and moved, so that collision occurs between the components, the components are damaged directly due to heavy mass of the components, maintenance or replacement is needed, a proper supporting tool is needed to be customized for a rotor, the detached bearing and other components are required to be supported by separate equipment when overhauled, and when reinstallation is needed, the components are required to be accurately reset, and the problem that the components shake easily when being lifted and moved is also caused, so that the resetting difficulty is high, and the practicality is poor.

Disclosure of Invention

In order to solve the technical problems, the invention provides the stable supporting tool for overhauling the turbine bearing, which is characterized in that the turnover mechanism is positioned above the turbine through the movement of the vehicle body, the turnover mechanism is lowered through the supporting mechanism, the position adjusting mechanism clamps the turbine, the turbine is turned ninety degrees through the turnover mechanism, the turnover mechanism is lifted through the supporting mechanism, then the staff dismantles each part on the turbine, and the position of the dismantled part of the turbine is adjusted through the position adjusting mechanism, so that the staff can overhaul the turbine bearing and other parts of the turbine conveniently, and the practicability of the equipment is improved.

The invention relates to a stable supporting tool for overhauling a turbine bearing, which comprises a vehicle body; the automobile body comprises a vehicle body, a supporting mechanism, a turnover mechanism and a position adjusting mechanism, wherein the supporting mechanism is arranged on the vehicle body;

the support mechanism is used for adjusting the height of the turnover mechanism, the turnover mechanism is used for turning over the steam turbine, and the position adjusting mechanism is used for adjusting the positions of all parts of the steam turbine;

through the automobile body removal, make tilting mechanism be located the top of steam turbine, descend tilting mechanism through supporting mechanism, make position adjustment mechanism press from both sides tight steam turbine to overturn ninety degrees with the steam turbine through tilting mechanism, rethread supporting mechanism risees tilting mechanism, later the staff dismantles each part on the steam turbine, and adjusts the part position of the steam turbine of dismantling through position adjustment mechanism, makes things convenient for the staff to overhaul other parts of steam turbine bearing and steam turbine, thereby improves the practicality of equipment.

Preferably, the vehicle body comprises a vehicle frame, a plurality of groups of driving wheels, a plurality of groups of first hydraulic arms and a plurality of groups of supporting blocks, wherein the plurality of groups of driving wheels and the plurality of groups of first hydraulic arms are respectively arranged at the bottom of the vehicle frame, and the plurality of groups of supporting blocks are respectively arranged at the bottom ends of the plurality of groups of first hydraulic arms; through the multiunit drive wheel is rotatory, adjusts the position of frame, conveniently removes the frock to suitable position, later when position adjustment mechanism presss from both sides tight steam turbine, stretches through the first hydraulic arm of multiunit, makes multiunit supporting shoe support subaerial, keeps the stability of frock to reduce the pressure of multiunit drive wheel, thereby improve the practicality of equipment.

Preferably, the supporting mechanism comprises a plurality of groups of second hydraulic arms, a plurality of groups of cross beams, two groups of first motors and two groups of transmission shafts, wherein the plurality of groups of second hydraulic arms are all arranged on the frame, the two groups of cross beams are respectively arranged on the plurality of groups of second hydraulic arms, the two groups of first motors are respectively arranged on the plurality of groups of cross beams, one ends of the two groups of transmission shafts are respectively connected with the output ends of the two groups of first motors, and the other ends of the plurality of groups of transmission shafts are all arranged on the turnover mechanism; the height of the turnover mechanism is adjusted by stretching or contracting the plurality of groups of second hydraulic arms, and then the turnover mechanism is driven to rotate by opening the two groups of first motors, so that the angle of the steam turbine is adjusted, and the practicability of the equipment is improved.

Preferably, the turnover mechanism comprises a frame, a plurality of groups of hydraulic cylinders and a plurality of groups of brake pads, wherein the front end and the rear end of the frame are respectively and rotatably arranged at the other ends of the two groups of transmission shafts, the plurality of groups of hydraulic cylinders are respectively and fixedly arranged on the two groups of cross beams, and the two groups of brake pads are respectively arranged at one ends of the plurality of groups of hydraulic cylinders; the frame is driven by opening two groups of first motors for ninety degrees, and then the brake pads are stretched by the hydraulic cylinders to respectively clamp the two groups of transmission shafts, so that the rotated frame is limited, and the safety of equipment is improved.

Preferably, the position adjusting mechanism comprises a shell splitting mechanism, a rotor splitting mechanism and a bearing splitting mechanism, wherein the shell splitting mechanism and the rotor splitting mechanism are both arranged on the frame, and the bearing splitting mechanism is arranged on the rotor splitting mechanism;

the shell splitting mechanism splits the turbine shell, the rotor splitting mechanism splits the turbine rotor, and the bearing splitting mechanism splits the turbine bearing; the shell of the steam turbine is separated through the shell separating mechanism, then the rotor is separated from the main body of the steam turbine through the rotor separating mechanism, and the bearing is separated from the rotor through the bearing separating mechanism, so that the maintenance of the bearing and each part of the steam turbine by workers is facilitated, and the practicability of equipment is improved.

Preferably, the shell splitting mechanism comprises a plurality of groups of third hydraulic arms, a plurality of groups of first clamps, a first frame, a plurality of groups of fourth hydraulic arms and a plurality of groups of extrusion seats, wherein one ends of the plurality of groups of third hydraulic arms are all arranged at the top of the frame, the plurality of groups of first clamps are respectively arranged at the other ends of the plurality of groups of third hydraulic arms, the first frame is arranged on the frame, one ends of the plurality of groups of fourth hydraulic arms are all arranged on the first frame, and the plurality of groups of extrusion seats are respectively arranged at the other ends of the plurality of groups of fourth hydraulic arms; the multi-group third hydraulic arms are stretched to adjust the positions of the multi-group first clamps, then the top shell of the steam turbine is clamped by the multi-group first clamps, the multi-group fourth hydraulic arms are stretched to enable the multi-group extrusion seats to clamp the bottom shell of the steam turbine, and the multi-group third hydraulic arms are contracted to separate the shell of the steam turbine, so that the practicability of the equipment is improved.

Preferably, the rotor splitting mechanism comprises a second frame, a plurality of groups of fifth hydraulic arms and a plurality of groups of second clamps, wherein the second frame is arranged on the transmission shaft, the second frame is positioned above the first frame, one ends of the plurality of groups of fifth hydraulic arms are arranged on the second frame, and the plurality of groups of second clamps are respectively arranged at the other ends of the plurality of groups of fifth hydraulic arms; the rotor of the steam turbine is clamped by the plurality of groups of second clamps by stretching the plurality of groups of fifth hydraulic arms, so that the rotor of the steam turbine is conveniently detached.

Preferably, the device further comprises a plurality of groups of first racks, a plurality of groups of sliding rails, a plurality of groups of gearboxes, a plurality of groups of second motors and a plurality of groups of gears, wherein the plurality of groups of first racks and the plurality of groups of sliding rails are respectively arranged at the front part and the rear part of the rack, the plurality of groups of gearboxes are respectively fixedly arranged on the first frame and the second frame, the plurality of groups of second motors are respectively arranged on the plurality of groups of gearboxes, the output ends of the plurality of groups of second motors are respectively connected with the input ends of the plurality of groups of gearboxes, the plurality of groups of gears are respectively arranged on the output ends of the plurality of groups of gearboxes, and the plurality of groups of gears are respectively meshed with the plurality of groups of first racks; through opening bottom second motor, through bottom gearbox transmission, again through bottom gear and first rack meshing transmission, to first frame downwardly moving, make things convenient for first frame cooperation third hydraulic arm shrink, split is carried out simultaneously to the top shell and the drain pan of steam turbine, later through opening top second motor, through top gearbox transmission, again through top gear and first rack meshing transmission, upwards remove the second frame, conveniently adjust the position of rotor to improve the practicality of equipment.

Preferably, the bearing splitting mechanism comprises a plurality of groups of sixth hydraulic arms, a plurality of groups of third clamps, a plurality of groups of driving motors, a plurality of groups of cylinders and a plurality of groups of screws, wherein the plurality of groups of sixth hydraulic arms are all installed on the second frame, the plurality of groups of third clamps are respectively installed on one end of the plurality of groups of sixth hydraulic arms, a plurality of groups of through holes are formed in the plurality of groups of third clamps, the plurality of groups of driving motors are respectively fixedly installed on the plurality of groups of third clamps, one ends of the plurality of groups of cylinders are respectively connected with the output ends of the plurality of groups of driving motors, the other ends of the plurality of groups of cylinders are respectively connected with one ends of the plurality of groups of screws, and springs are respectively arranged on the plurality of groups of cylinders; the bearing is limited by the plurality of groups of third clamps through the plurality of groups of sixth hydraulic arms, then the bolts on the bearing top tile and the bearing bottom tile are taken down by the staff, the plurality of groups of cylinders are opened simultaneously to drive the plurality of groups of screws to rotate, the plurality of groups of screws are respectively in threaded connection with the bearing top tile and the bearing top tile, and then the bearing top tile and the bearing bottom tile are separated through the plurality of groups of sixth hydraulic arms to facilitate the maintenance of each part on the bearing by the staff, so that the practicability of the equipment is improved.

Preferably, a plurality of groups of second racks are arranged on the inner wall of the second frame, and driving devices are arranged in the plurality of groups of sixth hydraulic arms; the driving device in the sixth hydraulic arm drives the sixth hydraulic arm to slide on the second rack, the position of the bearing is adjusted, the bearing is far away from the rotor, and the maintenance of all parts on the bearing by workers is facilitated, so that the practicability of the equipment is improved.

Compared with the prior art, the invention has the beneficial effects that:

1. the side turning and the disassembly of the steam turbine are carried out, so that each part on the steam turbine is convenient to disassemble, and the steam turbine is supported and stored in situ, so that the application of independent supporting equipment is reduced;

2. the bump between each component is reduced through a rigid structure, and the stability and the accuracy of disassembly and installation are improved;

3. through supporting each part in the spot and depositing, reduce the occupation to surrounding position when overhauing, make things convenient for the staff to overhaul bearing and other parts to observe other parts that damage the position of part and its corresponding.

Drawings

FIG. 1 is a schematic view of a first axial structure of the present invention;

FIG. 2 is a schematic view of a second axial structure of the present invention;

FIG. 3 is a schematic elevational view of the present invention;

FIG. 4 is a schematic elevational cross-sectional view of the present invention;

FIG. 5 is an enlarged schematic view of the structure of the vehicle body and support mechanism of the present invention;

FIG. 6 is a schematic diagram of an enlarged axial measurement structure of the tilting mechanism and the position adjustment mechanism of the present invention;

FIG. 7 is an enlarged cross-sectional view of the tilting mechanism and the position adjustment mechanism of the present invention;

FIG. 8 is an enlarged schematic view of the structure of portion A in FIG. 7 according to the present invention;

FIG. 9 is an enlarged schematic view of the axial measurement structure of the bearing splitting mechanism of the present invention;

FIG. 10 is a schematic view of a right-view enlarged construction of the bearing splitting mechanism of the present invention;

the reference numerals in the drawings: 1. a frame; 2. a driving wheel; 3. a first hydraulic arm; 4. a support block; 5. a second hydraulic arm; 6. a cross beam; 7. a first motor; 8. a transmission shaft; 9. a frame; 10. a hydraulic cylinder; 11. a brake pad; 12. a third hydraulic arm; 13. a first clamp; 14. a first frame; 15. a fourth hydraulic arm; 16. extruding a base; 17. a second frame; 18. a fifth hydraulic arm; 19. a second clamp; 20. a first rack; 21. a slide rail; 22. a gearbox; 23. a second motor; 24. a gear; 25. a sixth hydraulic arm; 26. a third clamp; 27. perforating; 28. a driving motor; 29. a cylinder; 30. a spring; 31. a screw; 32. and a second rack.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. This invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 to 4, includes a vehicle body; the automobile body comprises a vehicle body, a supporting mechanism, a turnover mechanism and a position adjusting mechanism, wherein the supporting mechanism is arranged on the vehicle body;

as shown in fig. 5, the vehicle body comprises a frame 1, a plurality of groups of driving wheels 2, a plurality of groups of first hydraulic arms 3 and a plurality of groups of supporting blocks 4, wherein the plurality of groups of driving wheels 2 and the plurality of groups of first hydraulic arms 3 are all arranged at the bottom of the frame 1, and the plurality of groups of supporting blocks 4 are respectively arranged at the bottom ends of the plurality of groups of first hydraulic arms 3;

as shown in fig. 5, the supporting mechanism includes a plurality of groups of second hydraulic arms 5, a plurality of groups of beams 6, two groups of first motors 7 and two groups of transmission shafts 8, the plurality of groups of second hydraulic arms 5 are all installed on the frame 1, the two groups of beams 6 are respectively installed on the plurality of groups of second hydraulic arms 5, the two groups of first motors 7 are respectively installed on the plurality of groups of beams 6, one ends of the two groups of transmission shafts 8 are respectively connected with the output ends of the two groups of first motors 7, and the other ends of the plurality of groups of transmission shafts 8 are all installed on the turnover mechanism;

as shown in fig. 6 and 7, the turnover mechanism comprises a frame 9, a plurality of groups of hydraulic cylinders 10 and a plurality of groups of brake pads 11, wherein the front end and the rear end of the frame 9 are respectively and rotatably installed on the other ends of the two groups of transmission shafts 8, the plurality of groups of hydraulic cylinders 10 are respectively and fixedly installed on the two groups of cross beams 6, and the two groups of brake pads 11 are respectively installed on one ends of the plurality of groups of hydraulic cylinders 10;

as shown in fig. 6, 7 and 8, the housing splitting mechanism includes a plurality of groups of third hydraulic arms 12, a plurality of groups of first clamps 13, a first frame 14, a plurality of groups of fourth hydraulic arms 15 and a plurality of groups of extrusion seats 16, wherein one ends of the plurality of groups of third hydraulic arms 12 are all installed at the top of the frame 9, the plurality of groups of first clamps 13 are respectively installed at the other ends of the plurality of groups of third hydraulic arms 12, the first frame 14 is installed on the frame 9, one ends of the plurality of groups of fourth hydraulic arms 15 are all installed on the first frame 14, and the plurality of groups of extrusion seats 16 are respectively installed at the other ends of the plurality of groups of fourth hydraulic arms 15;

as shown in fig. 6, 7 and 8, the rotor splitting mechanism includes a second frame 17, a plurality of groups of fifth hydraulic arms 18 and a plurality of groups of second clamps 19, the second frame 17 is mounted on the transmission shaft 8, the second frame 17 is located above the first frame 14, one ends of the plurality of groups of fifth hydraulic arms 18 are mounted on the second frame 17, and the plurality of groups of second clamps 19 are respectively mounted at the other ends of the plurality of groups of fifth hydraulic arms 18;

as shown in fig. 8, the device further comprises a plurality of groups of first racks 20, a plurality of groups of sliding rails 21, a plurality of groups of gearboxes 22, a plurality of groups of second motors 23 and a plurality of groups of gears 24, wherein the plurality of groups of first racks 20 and the plurality of groups of sliding rails 21 are respectively arranged at the front part and the rear part of the rack 9, the plurality of groups of gearboxes 22 are respectively fixedly arranged on the first frame 14 and the second frame 17, the plurality of groups of second motors 23 are respectively arranged on the plurality of groups of gearboxes 22, the output ends of the plurality of groups of second motors 23 are respectively connected with the input ends of the plurality of groups of gearboxes 22, the plurality of groups of gears 24 are respectively arranged on the output ends of the plurality of groups of gearboxes 22, and the plurality of groups of gears 24 are respectively meshed with the plurality of groups of first racks 20;

the position of the frame 1 is adjusted by rotating a plurality of groups of driving wheels 2, the height of the turnover mechanism is adjusted by stretching or contracting a plurality of groups of second hydraulic arms 5, the turnover mechanism is positioned above the steam turbine, the turnover mechanism is descended by a supporting mechanism, the position adjusting mechanism clamps the steam turbine, ninety degrees of the frame 9 is driven by opening two groups of first motors 7, a plurality of groups of brake pads 11 are stretched by a plurality of groups of hydraulic cylinders 10 to respectively clamp two groups of transmission shafts 8, the rotated frame 9 is limited, a plurality of groups of supporting blocks 4 are supported on the ground by stretching a plurality of groups of first hydraulic arms 3, the stability of the tool is maintained, the turnover mechanism is lifted by the supporting mechanism, the shell splitting mechanism and the rotor splitting mechanism support the shell and the rotor of the steam turbine, and staff dismount all parts on the steam turbine, the positions of a plurality of groups of first clamps 13 are adjusted by stretching a plurality of groups of third hydraulic arms 12, then the top shell of the steam turbine is clamped by a plurality of groups of first clamps 13, a plurality of groups of extrusion seats 16 are stretched by a plurality of groups of fourth hydraulic arms 15, the bottom shell of the steam turbine is clamped by a plurality of groups of extrusion seats 16, then the shells of the steam turbine are separated by shrinking a plurality of groups of third hydraulic arms 12, meanwhile, the bottom second motor 23 is opened, the bottom gearbox 22 is driven, the bottom gear 24 is meshed with the first rack 20 to drive the first frame 14 downwards, the first frame 14 is conveniently shrunk by matching with the third hydraulic arms 12, the top shell and the bottom shell of the steam turbine are separated, the top second motor 23 is opened, the top gearbox 22 is driven, the top gear 24 is meshed with the first rack 20 to drive the second frame 17 upwards, the position of the rotor is adjusted, the working personnel can conveniently overhaul other parts of the steam turbine, so that the practicability of the equipment is improved.

Example 2

as shown in fig. 6 to 10, the position adjusting mechanism comprises a shell splitting mechanism, a rotor splitting mechanism and a bearing splitting mechanism, wherein the shell splitting mechanism and the rotor splitting mechanism are both arranged on the frame 9, and the bearing splitting mechanism is arranged on the rotor splitting mechanism;

the shell splitting mechanism splits the turbine shell, the rotor splitting mechanism splits the turbine rotor, and the bearing splitting mechanism splits the turbine bearing;

as shown in fig. 9 and 10, in the bearing splitting mechanism, a plurality of groups of sixth hydraulic arms 25, a plurality of groups of third clamps 26, a plurality of groups of driving motors 28, a plurality of groups of cylinders 29 and a plurality of groups of screws 31 are arranged on the second frame 17, the plurality of groups of third clamps 26 are respectively arranged on one ends of the plurality of groups of sixth hydraulic arms 25, the plurality of groups of third clamps 26 are respectively provided with a plurality of groups of through holes 27, the plurality of groups of driving motors 28 are respectively fixedly arranged on the plurality of groups of third clamps 26, one ends of the plurality of groups of cylinders 29 are respectively connected with the output ends of the plurality of groups of driving motors 28, the other ends of the plurality of groups of cylinders 29 are respectively connected with one ends of the plurality of groups of screws 31, and springs 30 are respectively arranged on the plurality of groups of cylinders 29;

as shown in fig. 10, a plurality of groups of second racks 32 are provided on the inner wall of the second frame 17, and driving devices are provided inside the plurality of groups of sixth hydraulic arms 25;

the position of the frame 1 is adjusted by rotating a plurality of groups of driving wheels 2, the height of the turnover mechanism is adjusted by stretching or contracting a plurality of groups of second hydraulic arms 5, the turnover mechanism is positioned above the steam turbine, the turnover mechanism is descended by a supporting mechanism, the position adjusting mechanism clamps the steam turbine, ninety degrees of the frame 9 is driven by opening two groups of first motors 7, a plurality of groups of brake pads 11 are stretched by a plurality of groups of hydraulic cylinders 10 to respectively clamp two groups of transmission shafts 8, the rotated frame 9 is limited, a plurality of groups of supporting blocks 4 are supported on the ground by stretching a plurality of groups of first hydraulic arms 3, the stability of the tool is maintained, the turnover mechanism is lifted by the supporting mechanism, the shell splitting mechanism and the rotor splitting mechanism support the shell and the rotor of the steam turbine, and staff dismount all parts on the steam turbine, the positions of a plurality of groups of first clamps 13 are adjusted by stretching a plurality of groups of third hydraulic arms 12, then the top shell of the steam turbine is clamped by a plurality of groups of first clamps 13, a plurality of groups of extrusion seats 16 are stretched by a plurality of groups of fourth hydraulic arms 15, the bottom shell of the steam turbine is clamped by a plurality of groups of extrusion seats 16, then the shells of the steam turbine are separated by shrinking a plurality of groups of third hydraulic arms 12, meanwhile, the bottom second motor 23 is opened, the bottom gearbox 22 is driven, the bottom gear 24 is meshed with the first rack 20 to drive the first frame 14 downwards, the first frame 14 is conveniently shrunk by matching with the third hydraulic arms 12, the top shell and the bottom shell of the steam turbine are separated, the top second motor 23 is opened, the top gearbox 22 is driven, the top gear 24 is meshed with the first rack 20 to drive the second frame 17 upwards, the position of the rotor is adjusted, the bearing is limited by a plurality of groups of sixth hydraulic arms 25, a plurality of groups of third clamps 26 are used for limiting the bearing, then a worker takes down bolts on the bearing top tile and the bearing bottom tile, a plurality of groups of cylinders 29 are used for extending, a plurality of groups of driving motors 28 are opened simultaneously to drive a plurality of groups of screws 31 to rotate, the plurality of groups of screws 31 are respectively connected with the bearing top tile and the bearing top tile in a threaded manner, the bearing top tile is separated from the bearing bottom tile by a plurality of groups of sixth hydraulic arms 25 in a shrinkage manner, then the sixth hydraulic arms 25 are driven to slide on a second rack 32 by a driving device in the sixth hydraulic arms 25, the positions of the bearings are adjusted, the bearings are far away from a rotor, and therefore, the worker can overhaul all parts on a turbine shaft and other parts of a turbine conveniently, and the practicability of the equipment is improved.

The main functions realized by the invention are as follows: improve turbine bearing maintenance convenience, reduce turbine parts's damage, reduce the use to supporting frock

1. Improve turbine bearing maintenance convenience: the steam turbine is split in situ, so that the components of the steam turbine are not required to be lifted, the top shell and the bottom shell of the steam turbine are conveniently removed at the same time, and the rotor is exposed;

2. reducing damage to turbine components: the positions of the components of the steam turbine are adjusted through the rigid components, so that the shaking of the components of the steam turbine is reduced;

3. reduce the use to supporting frock: the improvement frock carries out the centre gripping to the part of steam turbine fixedly, need not to use and supports the frock.

The balance weight of the car body can be added to further improve the stability of the equipment; the driving wheel 2 can be electrically or manually selected according to actual use conditions; the driving device in the sixth hydraulic arm 25 consists of a motor, a speed changer and a gear; the first clamp 13 can replace other types of clamping devices according to the shape of the top shell of the steam turbine; the second hydraulic arm 5, the first motor 7, the hydraulic cylinder 10, the third hydraulic arm 12, the first clamp 13, the fourth hydraulic arm 15, the fifth hydraulic arm 18, the gearbox 22, the second motor 23, the sixth hydraulic arm 25, the driving motor 28 and the air cylinder 29 of the stable supporting tool for maintenance of the turbine bearing are purchased from the market, and can be installed and operated by a person skilled in the art according to the attached instruction without the creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims

1. The stable supporting tool for overhauling the turbine bearing comprises a vehicle body; the automobile body turnover device is characterized by further comprising a supporting mechanism, a turnover mechanism and a position adjusting mechanism, wherein the supporting mechanism is arranged on the automobile body;

the support mechanism adjusts the height of the turnover mechanism, the turnover mechanism turns over the steam turbine, and the position adjusting mechanism adjusts the positions of all parts of the steam turbine.

2. The stable lifting tool for overhauling a turbine bearing according to claim 1, wherein the vehicle body comprises a vehicle frame (1), a plurality of groups of driving wheels (2), a plurality of groups of first hydraulic arms (3) and a plurality of groups of supporting blocks (4), the plurality of groups of driving wheels (2) and the plurality of groups of first hydraulic arms (3) are all arranged at the bottom of the vehicle frame (1), and the plurality of groups of supporting blocks (4) are respectively arranged at the bottom ends of the plurality of groups of first hydraulic arms (3).

3. The stable supporting tool for overhauling a turbine bearing according to claim 2, wherein the supporting mechanism comprises a plurality of groups of second hydraulic arms (5), a plurality of groups of cross beams (6), two groups of first motors (7) and two groups of transmission shafts (8), the plurality of groups of second hydraulic arms (5) are all installed on the frame (1), the two groups of cross beams (6) are respectively installed on the plurality of groups of second hydraulic arms (5), the two groups of first motors (7) are respectively installed on the plurality of groups of cross beams (6), one ends of the two groups of transmission shafts (8) are respectively connected with the output ends of the two groups of first motors (7), and the other ends of the plurality of groups of transmission shafts (8) are respectively installed on the turnover mechanism.

4. A stable lifting tool for overhauling a turbine bearing according to claim 3, wherein the turnover mechanism comprises a frame (9), a plurality of groups of hydraulic cylinders (10) and a plurality of groups of brake pads (11), the front end and the rear end of the frame (9) are respectively rotatably mounted on the other ends of two groups of transmission shafts (8), the plurality of groups of hydraulic cylinders (10) are respectively fixedly mounted on two groups of cross beams (6), and the two groups of brake pads (11) are respectively mounted on one ends of the plurality of groups of hydraulic cylinders (10).

5. The stable supporting tool for overhauling the bearing of the steam turbine according to claim 4, wherein the position adjusting mechanism comprises a shell splitting mechanism, a rotor splitting mechanism and a bearing splitting mechanism, wherein the shell splitting mechanism and the rotor splitting mechanism are both arranged on a frame (9), and the bearing splitting mechanism is arranged on the rotor splitting mechanism;

the shell splitting mechanism splits the turbine shell, the rotor splitting mechanism splits the turbine rotor, and the bearing splitting mechanism splits the turbine bearing.

6. The stable lifting tool for overhauling a turbine bearing according to claim 5, wherein the shell splitting mechanism comprises a plurality of groups of third hydraulic arms (12), a plurality of groups of first clamps (13), a first frame (14), a plurality of groups of fourth hydraulic arms (15) and a plurality of groups of extrusion seats (16), one ends of the plurality of groups of third hydraulic arms (12) are all installed at the top of the frame (9), the plurality of groups of first clamps (13) are respectively installed at the other ends of the plurality of groups of third hydraulic arms (12), the first frame (14) is installed on the frame (9), one ends of the plurality of groups of fourth hydraulic arms (15) are all installed on the first frame (14), and the plurality of groups of extrusion seats (16) are respectively installed at the other ends of the plurality of groups of fourth hydraulic arms (15).

7. The stable lifting tool for overhauling a turbine bearing according to claim 5, wherein the rotor splitting mechanism comprises a second frame (17), a plurality of groups of fifth hydraulic arms (18) and a plurality of groups of second clamps (19), the second frame (17) is mounted on the transmission shaft (8), the second frame (17) is located above the first frame (14), one ends of the plurality of groups of fifth hydraulic arms (18) are mounted on the second frame (17), and the plurality of groups of second clamps (19) are respectively mounted on the other ends of the plurality of groups of fifth hydraulic arms (18).

8. The stable lifting tool for overhauling a turbine bearing according to claim 7, further comprising a plurality of groups of first racks (20), a plurality of groups of sliding rails (21), a plurality of groups of gearboxes (22), a plurality of groups of second motors (23) and a plurality of groups of gears (24), wherein the plurality of groups of first racks (20) and the plurality of groups of sliding rails (21) are respectively arranged at the front part and the rear part of the frame (9), the plurality of groups of gearboxes (22) are respectively fixedly arranged on the first frame (14) and the second frame (17), the plurality of groups of second motors (23) are respectively arranged on the plurality of groups of gearboxes (22), the output ends of the plurality of groups of second motors (23) are respectively connected with the input ends of the plurality of groups of gearboxes (22), the plurality of groups of gears (24) are respectively arranged on the output ends of the plurality of groups of gearboxes (22), and the plurality of groups of gears (24) are respectively meshed with the plurality of groups of first racks (20).

9. The stable lifting tool for overhauling a turbine bearing according to claim 7, wherein a plurality of groups of sixth hydraulic arms (25), a plurality of groups of third clamps (26), a plurality of groups of driving motors (28), a plurality of groups of air cylinders (29) and a plurality of groups of screw rods (31) of the bearing splitting mechanism are arranged on the second frame (17), the plurality of groups of sixth hydraulic arms (25) are respectively arranged on one ends of the plurality of groups of sixth hydraulic arms (25), the plurality of groups of third clamps (26) are respectively provided with a plurality of groups of through holes (27), the plurality of groups of driving motors (28) are respectively fixedly arranged on the plurality of groups of third clamps (26), one ends of the plurality of groups of air cylinders (29) are respectively connected with the output ends of the plurality of groups of driving motors (28), the other ends of the plurality of groups of air cylinders (29) are respectively connected with one ends of the plurality of groups of screw rods (31), and the plurality of groups of air cylinders (29) are respectively provided with springs (30).

10. The stable supporting tool for repairing the turbine bearing according to claim 9, wherein a plurality of groups of second racks (32) are arranged on the inner wall of the second frame (17), and driving devices are arranged inside a plurality of groups of sixth hydraulic arms (25).