CN120482900A - Turbine rotor lifting tool - Google Patents
Turbine rotor lifting toolInfo
- Publication number
- CN120482900A CN120482900A CN202510674124.6A CN202510674124A CN120482900A CN 120482900 A CN120482900 A CN 120482900A CN 202510674124 A CN202510674124 A CN 202510674124A CN 120482900 A CN120482900 A CN 120482900A
- Authority
- CN
- China
- Prior art keywords
- lifting
- turbine rotor
- bevel gear
- steam turbine
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a turbine rotor lifting tool which comprises a turbine rotor main body and a lifting beam for lifting the turbine rotor main body, wherein an adjusting assembly, a clamping assembly and an auxiliary fixing assembly are arranged on the lifting beam. The lifting beam is internally provided with a cross-shaped reinforcing steel bar to strengthen the hardness of the lifting beam, two sides of the bottom end of the lifting beam are provided with moving blocks to drive the clamping clamps to move, so that journals at two ends of steam turbine rotors with different specifications and sizes can be clamped, the clamping clamps are additionally arranged on the basis of traditional rope lifting, the steam turbine rotors are fixed through ropes and clamped through the clamping clamps during lifting, lifting safety and stability are enhanced, when the clamping clamps are adjusted, bevel gear meshing and rotating disc rotation are triggered, and a gear strip additionally arranged at one side of the clamping clamps moves up and down to drive the extrusion blocks to downwards prop against the journals of the steam turbine rotors, so that lifting stability of the steam turbine rotors is further improved.
Description
Technical Field
The invention relates to a lifting device, in particular to a turbine rotor lifting tool, and belongs to the technical field of lifting equipment.
Background
The turbine rotor is a key component of the turbine, and has the advantages of large weight, large size and high precision requirement. In the installation, repair and maintenance of the steam turbine, the rotor needs to be frequently lifted.
Through searching, chinese patent number CN112744687A discloses a steam turbine rotor lifting tool, when in use, the lower suspension assemblies are firstly hung on shaft necks at two ends of a rotor respectively, wherein the distance between the lower suspension assemblies of the device can be adjusted through a moving mechanism at the bottom of a lifting seat, and meanwhile, the balance adjustment direction of the device is judged according to the display data of the lifting scales on the two lifting ropes in the middle, so that preliminary balance adjustment is carried out through a balance mechanism on the lifting seat, and the lifting tool can meet the lifting condition. The above-mentioned patent product lifts by crane steam turbine rotor through hanging the subassembly under only, and when in actual use, steam turbine rotor's size and specification are different, when lifting by crane, can not stabilize the fixed steam turbine rotor both sides, lead to steam turbine rotor slope even drop easily.
Disclosure of Invention
The invention aims to solve the problems and provide a turbine rotor lifting tool.
The invention realizes the aim through the following technical scheme that the lifting tool for the steam turbine rotor comprises a steam turbine rotor main body and a lifting beam for lifting the steam turbine rotor main body, wherein the lifting beam is provided with an adjusting component, a clamping component and an auxiliary fixing component;
The adjusting component is used for fixing the turbine rotor main bodies with different length sizes, the adjusting component is arranged at the bottom end of the lifting beam, a bidirectional screw rod is arranged in the bottom end of the lifting beam, and moving blocks are arranged on two sides of the bidirectional screw rod;
the clamping assembly is used for clamping and fixing two ends of the turbine rotor main body, so that the stability of subsequent lifting is ensured, and comprises a first screw rod, a first bevel gear, a third bevel gear, a second screw rod and a clamping clamp;
The auxiliary fixing assembly is used for assisting the clamping assembly to fix the turbine rotor body, and the auxiliary fixing assembly is used for balancing and fixing the turbine rotor body through the gear bars and the pressing blocks.
Preferably, one end of the bidirectional screw rod is provided with a driving motor, the top end of the moving block is provided with a limiting clamping block, the limiting clamping block is in a T-shaped arrangement, the bottom end of the moving block is provided with a limiting block, the bottom end of the limiting block is connected with a telescopic cylinder, and the execution end of the telescopic cylinder is connected with a fixing rod.
Preferably, the dead lever is the rectangle setting, bottom one side of dead lever is equipped with the execution motor, the execution end of execution motor is connected with first lead screw, first lead screw is kept away from the one end of execution motor is equipped with first bevel gear, first bevel gear is kept away from one side of first lead screw is equipped with the second bevel gear, the second bevel gear is kept away from one side of first bevel gear is equipped with the third bevel gear, the third bevel gear is kept away from one end of first bevel gear is equipped with the second lead screw, first lead screw and the second lead screw all is connected with the centre gripping clamp.
Preferably, the two clamping clamps are connected with the first screw rod and the second screw rod, and the two moving blocks are connected with the nuts at two ends of the two-way screw rod.
Preferably, a plurality of rubber pads are arranged on the opposite sides of the clamping clips at equal intervals.
Preferably, a placing block is arranged on one side of the fixing rod, and the second bevel gear is arranged on one side of the first bevel gear, which is close to the placing block.
Preferably, a rotating rod is connected to one side of the second bevel gear, which is close to the placing block, a gear disc is arranged at one end of the rotating rod, which is far away from the second bevel gear, and a gear strip is connected to one side of the gear disc.
Preferably, the bottom of the gear strip is connected with the pressing block, a plurality of damping springs are arranged at equal intervals at the bottom of the pressing block, and the bottom of the damping springs is connected with the pressing block.
Preferably, limit clamping rods are arranged on the left side and the right side of the gear strip, the gear disc is meshed with the gear strip, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is meshed with the third bevel gear.
Preferably, the inside of lifting by crane the crossbeam is equipped with the reinforcement reinforcing bar, both sides and the centre of the top of lifting by crane the crossbeam all are equipped with fixed rope, fixed rope keeps away from the one end of lifting by crane the crossbeam is connected with and lifts by crane the rope, the bottom of lifting by crane the crossbeam just is located one side that the centre gripping pressed from both sides is equipped with the cover rope.
The invention has the following beneficial effects:
1. the cross-shaped steel bars are additionally arranged in the lifting cross beam, so that the hardness of the lifting cross beam is enhanced, bending of the lifting cross beam during lifting is avoided, and the service life of the lifting cross beam is prolonged due to reinforcement of the steel bars;
2. the adjustable moving blocks are additionally arranged at two sides of the bottom end of the lifting beam, so that the clamping clamps are driven to move, and the journals at two ends of the steam turbine rotor with different specifications and sizes can be clamped;
3. On the basis of traditional rope lifting, a clamping clamp is additionally arranged, so that the steam turbine rotor is fixed through the rope and clamped through the clamping clamp when lifted, the lifting stability of the steam turbine rotor is improved, and the lifting safety and stability are enhanced;
4. when the clamping clamp is adjusted, the bevel gear is triggered to be meshed and the rotating disc is triggered to rotate, so that the gear strip additionally arranged on one side of the clamping clamp moves up and down, the extrusion block is driven to downwards prop against the shaft neck of the steam turbine rotor, and the lifting stability of the steam turbine rotor is further improved.
Drawings
FIG. 1 is a perspective view of the overall structure of a turbine rotor lifting tool according to the present invention;
FIG. 2 is a perspective view of a lifting beam structure of a lifting tool for a steam turbine rotor;
FIG. 3 is a perspective view of a turbine rotor lifting tool adjusting assembly according to the present invention;
FIG. 4 is a perspective view of a clamping assembly for a turbine rotor lifting tool according to the present invention;
FIG. 5 is a perspective view of an auxiliary fixing assembly for a turbine rotor lifting tool according to the present invention;
FIG. 6 is a perspective view of an auxiliary fixing assembly of a turbine rotor lifting tool according to the present invention;
fig. 7 is a perspective view of an auxiliary fixing assembly of a turbine rotor lifting tool according to the present invention.
In the figure, 1, a lifting beam, 101, a fixed rope, 102, a lifting rope, 2, a reinforcing steel bar, 3, an adjusting component, 301, a driving motor, 302, a bidirectional screw rod, 303, a moving block, 304, a limiting clamping block, 305, a limiting block, 306, a telescopic cylinder, 307, a fixed rod, 4, a clamping component, 401, an executing motor, 402, a first screw rod, 403, a first bevel gear, 404, a second bevel gear, 405, a third bevel gear, 406, a second screw rod, 407, a clamping clamp, 408, a rubber pad, 5, an auxiliary fixing component, 501, a rotating rod, 502, a gear disc, 503, a placing block, 504, a gear bar, 505, a limiting clamping rod, 506, a pressing block, 507, a damping spring, 508, an extruding block, 6, a lashing rope, 7 and a rotor body of the steam turbine.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Embodiment one:
referring to fig. 1-7, a lifting tool for a steam turbine rotor comprises a steam turbine rotor main body 7 and a lifting beam 1 for lifting the steam turbine rotor main body 7, wherein an adjusting component 3, a clamping component 4 and an auxiliary fixing component 5 are arranged on the lifting beam 1, the adjusting component 3 is used for fixing the steam turbine rotor main body 7 with different length sizes, the adjusting component 3 is arranged at the bottom end of the lifting beam 1, a bidirectional screw rod 302 is arranged in the bottom end of the lifting beam 1, and moving blocks 303 are arranged on two sides of the bidirectional screw rod 302.
One end of the bidirectional screw rod 302 is provided with a driving motor 301, the top end of the moving block 303 is provided with a limiting clamping block 304, the limiting clamping block 304 is in a T-shaped arrangement, the bottom end of the moving block 303 is provided with a limiting block 305, the bottom end of the limiting block 305 is connected with a telescopic cylinder 306, and the execution end of the telescopic cylinder 306 is connected with a fixing rod 307.
The inside of lifting by crane crossbeam 1 is equipped with reinforcement bar 2, the top both sides and the centre of lifting by crane crossbeam 1 all are equipped with fixed rope 101, fixed rope 101 keeps away from the one end of lifting by crane crossbeam 1 is connected with lifts by crane rope 102, the bottom of lifting by crane crossbeam 1 just is located one side of centre gripping clamp 407 is equipped with the noose 6.
In this embodiment, when the turbine rotor body 7 is lifted, the lifting beam 1 is moved to the position of the turbine rotor body 7 by lifting the lifting rope 102, and under default, the clamping clips 407 are opened to align the clamping clips 407 with the journals on two sides of the turbine rotor body 7, and after the clamping clips 407 clamp the journals on two sides of the turbine rotor body 7, the lashing ropes 6 on two sides of the bottom end of the lifting beam 1 are sleeved on the journals on two sides of the turbine rotor body 7, the length of the lashing ropes 6 is adjusted, the turbine rotor body 7 is stably fixed, and the lifting rope 102 is wound, so that the lifting operation is realized.
The fixed steel bars 2 are additionally arranged in the lifting beam 1 and distributed in a grid shape according to the mechanical analysis result, so that the deformation resistance of the lifting beam 1 when bearing the eccentric load of the turbine rotor main body 7 is enhanced, the overall structural strength and stability are improved, and the service life of the lifting beam 1 is prolonged.
Embodiment two:
In contrast to the first embodiment, referring to fig. 1-7, the present embodiment further includes a clamping assembly 4 for clamping and fixing two ends of the steam turbine rotor body 7, so as to ensure stability of subsequent lifting, where the clamping assembly 4 includes a first screw rod 402, a first bevel gear 403, a third bevel gear, a 405, a second screw rod 406, and a clamping clip 407.
The dead lever 307 is the rectangle setting, bottom one side of dead lever 307 is equipped with execution motor 401, execution motor 401's execution end is connected with first lead screw 402, first lead screw 402 is kept away from execution motor 401's one end is equipped with first bevel gear 403, first bevel gear 403 is kept away from one side of first lead screw 402 is equipped with second bevel gear 404, second bevel gear 404 is kept away from one side of first bevel gear 403 is equipped with third bevel gear 405, third bevel gear 405 is kept away from one end of first bevel gear 403 is equipped with second lead screw 406, first lead screw 402 and second lead screw 406 all are connected with clamping clip 407.
Two clamping clips 407 are connected with the first screw rod 402 and the second screw rod 406 through nuts, and two moving blocks 303 are connected with two nuts at two ends of the two-way screw rod 302.
A plurality of rubber pads 408 are equidistantly arranged on the opposite sides of the clamping clips 407.
In this embodiment, it should be noted that, according to the size of the turbine rotor body 7, the driving motor 301 is started to drive the bi-directional screw rod 302 to rotate, and the moving blocks 303 connected with the nuts on both sides of the bi-directional screw rod 302 are close to or far away from each other, so as to adjust the position of the bottom clamping clip 407.
The limiting clamping blocks 304 arranged on the top end of the moving block 303 in a T shape move inside the lifting beam 1, the moving block 303 is connected to the bidirectional screw rod 302 through a screw nut to move, the limiting clamping blocks 304 synchronously move inside the lifting beam 1, and when the clamping clips 407 clamp and fix the turbine rotor body 7 for lifting, the bidirectional screw rod 302 and the lifting beam 1 both pull the turbine rotor body 7.
Embodiment III:
Referring to fig. 1-7, in the present embodiment, compared with the first embodiment and the second embodiment, the auxiliary fixing component 5 is used for assisting the clamping component 4 to fix the turbine rotor body 7, and the auxiliary fixing component 5 is used for balancing and fixing the turbine rotor body 7 through the gear strip 504 and the pressing block 506.
One side of the fixed rod 307 is provided with a placement block 503, the second bevel gear 404 is arranged on one side of the first bevel gear 403, which is close to the placement block 503, one side of the second bevel gear 404, which is close to the placement block 503, is connected with a rotating rod 501, one end of the rotating rod 501, which is far away from the second bevel gear 404, is provided with a gear disc 502, and one side of the gear disc 502 is connected with a gear strip 504.
The bottom of gear strip 504 with support briquetting 506 and be connected, the bottom equidistance of supporting briquetting 506 is equipped with a plurality of damping springs 507, damping spring 507's bottom is connected with extrusion piece 508.
Limiting clamping rods 505 are arranged on the left side and the right side of the gear strip 504, the gear disc 502 is meshed with the gear strip 504, the first bevel gear 403 is meshed with the second bevel gear 404, and the second bevel gear 404 is meshed with the third bevel gear 405.
In this embodiment, it should be noted that, the execution motor 401 is started to drive the first lead screw 402 to rotate, further drive the first bevel gear 403 to rotate, drive the second bevel gear 404 meshed with the first bevel gear 403 to rotate, and drive the third bevel gear 405 meshed with the second bevel gear 404 to rotate, further drive the second lead screw 406 to rotate, so that the clamping clamps 407 connected with the first lead screw 402 and the second lead screw 406 screw are close to each other, so as to clamp the journals at two ends of the turbine rotor body 7, when the clamping clamps 407 are close to each other, the second bevel gear 404 rotates to drive the rotating rod 501 to rotate, further drive the gear disc 502 to rotate, and the gear strip 504 meshed with one side of the gear disc 502 moves up and down, so as to drive the pressing block 506 to move down against the journal tops at two ends of the turbine rotor body 7, and form a set of interaction force with the upward tension of the lasso as to fix the position of the turbine rotor body 7, thereby avoiding the inclination or dropping of the turbine rotor body 7 in the lifting process.
The fixed rod 307 and the placing block 503 are both internally provided with clamping grooves matched with the limiting clamping rods 505, so that the limiting clamping rods 505 move up and down in the clamping grooves, and the positions of the gear strips 504 are limited and fixed by the limiting clamping rods 505, so that the gear strips 504 are prevented from falling off the placing block 503 directly.
The rubber pads 408 inside the clamping clips 407 strengthen the friction force between the clamping clips 407 and the turbine rotor main body 7, and improve the stability of clamping.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510674124.6A CN120482900B (en) | 2025-05-23 | 2025-05-23 | Turbine rotor lifting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510674124.6A CN120482900B (en) | 2025-05-23 | 2025-05-23 | Turbine rotor lifting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120482900A true CN120482900A (en) | 2025-08-15 |
| CN120482900B CN120482900B (en) | 2026-02-10 |
Family
ID=96676846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510674124.6A Active CN120482900B (en) | 2025-05-23 | 2025-05-23 | Turbine rotor lifting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120482900B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031132A1 (en) * | 2019-08-16 | 2021-02-25 | 南京唐壹信息科技有限公司 | Wiring terminal block positioning clamp used for electrical device connection and positioning method therefor |
| CN219792155U (en) * | 2023-02-16 | 2023-10-03 | 浙江华业电力工程股份有限公司 | Steam turbine rotor hoist and mount antiskid |
| CN116969317A (en) * | 2023-07-25 | 2023-10-31 | 瑞丽市荣丰民族文化传播有限公司 | Hoisting device for national special building construction |
| CN222225738U (en) * | 2024-07-10 | 2024-12-24 | 江阴市恒润重工股份有限公司 | Lifting appliance for planet wheel forge piece |
| CN222729359U (en) * | 2024-06-19 | 2025-04-08 | 甘肃省第五建设集团有限责任公司 | Safe building tower crane with lifting function |
-
2025
- 2025-05-23 CN CN202510674124.6A patent/CN120482900B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031132A1 (en) * | 2019-08-16 | 2021-02-25 | 南京唐壹信息科技有限公司 | Wiring terminal block positioning clamp used for electrical device connection and positioning method therefor |
| CN219792155U (en) * | 2023-02-16 | 2023-10-03 | 浙江华业电力工程股份有限公司 | Steam turbine rotor hoist and mount antiskid |
| CN116969317A (en) * | 2023-07-25 | 2023-10-31 | 瑞丽市荣丰民族文化传播有限公司 | Hoisting device for national special building construction |
| CN222729359U (en) * | 2024-06-19 | 2025-04-08 | 甘肃省第五建设集团有限责任公司 | Safe building tower crane with lifting function |
| CN222225738U (en) * | 2024-07-10 | 2024-12-24 | 江阴市恒润重工股份有限公司 | Lifting appliance for planet wheel forge piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN120482900B (en) | 2026-02-10 |
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