Hydraulic generator rotor hoisting positioning device and positioning method thereof

Abstract

The invention discloses a hydro-generator rotor hoisting positioning device and a positioning method thereof, and relates to the technical field of hydro-generator rotor hoisting, the hydro-generator rotor hoisting positioning device comprises a hoisting machine used for hoisting a hydro-generator rotor; the positioning mechanism is hung on the hoisting machine, is used for positioning the hoisted hydro-generator rotor and comprises a disc, a vertical cylinder is fixed to the top of the disc, adjusting pieces are installed on the disc and the vertical cylinder, a positioning plate used for supporting and positioning the hydro-generator rotor is installed on the adjusting pieces, a trigger piece is installed at one end of the positioning plate, and the trigger piece is connected with the disc. And driving pieces are mounted on the positioning plate and the adjusting piece. Equipment does not need to be replaced, switching between the transverse hoisting state and the vertical hoisting state of the rotor can be completed by adjusting the positions of the positioning plates (dispersion supporting in the transverse direction and two-side limiting in the vertical direction), the transversely hoisted rotor can be lowered into the vertical direction after being hoisted, different installation requirements are met, and the operation process is simplified.

Description

Technical Field

[0001] This invention relates to the field of hydro-generator rotor hoisting technology, and in particular to a hydro-generator rotor hoisting and positioning device and its positioning method. Background Technology

[0002] The rotor of a hydro-generator is the core rotating component of the hydro-generator and is one of the key links in realizing the energy conversion from "water energy to mechanical energy to electrical energy". The installation of the hydro-generator rotor requires the use of hoisting equipment.

[0003] However, in practical applications, there are still some unresolved problems. The following are some common problems of hydro-generator rotor hoisting devices: Hydro-generator rotors are characterized by their large size and heavy weight. Hoisting needs to be adapted to both horizontal and vertical placement. Existing hoisting methods mostly use wire ropes for direct hoisting, which can easily lead to rotor tilting, swaying, or even breakage and falling due to uneven force. In addition, traditional devices cannot flexibly switch hoisting states, requiring the replacement of different equipment, which is cumbersome and inefficient. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents, and such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] In view of the problems existing in the above and / or existing hydro-generator rotor hoisting devices, the present invention is proposed.

[0006] Therefore, the problem to be solved by this invention is how to solve the problems of unstable hoisting, difficulty in switching states, uneven stress, and potential safety hazards.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a hydro-generator rotor hoisting and positioning device, comprising: a hoisting machine for hoisting the hydro-generator rotor; and a positioning mechanism, attached to the hoisting machine for positioning the hoisted hydro-generator rotor, comprising a disc, a vertical cylinder fixed to the top of the disc, adjusting components installed on the disc and the vertical cylinder, a positioning plate for supporting and positioning the hydro-generator rotor installed on the adjusting components, a trigger component installed at one end of the positioning plate, a driving component installed on the positioning plate and the adjusting components, a support component for supporting the hollow middle part of the hydro-generator rotor installed on the vertical cylinder and the disc, and the support component cooperates with the adjusting components, a fixing component installed at the lower end of the adjusting components, and the fixing component cooperates with the adjusting components, an unlocking rotating component fixed at the bottom of the disc, and the unlocking rotating component cooperates with the fixing component and the adjusting component respectively, and a hanging ring fixed at the upper end of the vertical cylinder.

[0008] In a preferred embodiment of the turbine generator rotor hoisting and positioning device of the present invention, the adjusting component includes a slider that slides within a disc, a connecting block fixed to one side of the slider, a rotating rod rotatably mounted on the connecting block, an upper end of the positioning plate fixedly sleeved on the surface of the rotating rod, a first limiting ring fixed to the top of the disc, a second limiting ring fixed to the upper surface of the vertical cylinder, an L-shaped plate sliding on the first and second limiting rings, one end of the L-shaped plate fixed to the surface of the connecting block, a movable ring sliding on the vertical cylinder, a first movable block sliding on the movable ring, and an upper end of the L-shaped plate sliding on the first movable block.

[0009] As a preferred embodiment of the turbine generator rotor hoisting and positioning device of the present invention, wherein: a circular frame is fixed on one side of the connecting block, and the circular frame is sleeved on one end surface of the rotating rod, a torsion spring is sleeved on one end surface of the rotating rod, and the two ends of the torsion spring are respectively fixed to the surface of the rotating rod and the inner wall of the circular frame.

[0010] In a preferred embodiment of the turbine generator rotor hoisting and positioning device of the present invention, the triggering element includes a vertical plate that slides on the lower end of the positioning plate, a hollow block is fixed at the upper end of the vertical plate, a spring piece is fixed between the bottom of the hollow block and the lower end of the positioning plate, a fixing block is fixed on the lower surface of the positioning plate, a gear one and a gear two are respectively rotated on the fixing block, toothed plates are fixed on both sides of the vertical plate and slide on the lower end of the positioning plate, the gear two meshes with the gear one and the toothed plate respectively, a magnet is fixed on the inner wall of the hollow block, and a triggering plate is fixed on the surface of the vertical plate and slides on the lower surface of the positioning plate.

[0011] As a preferred embodiment of the turbine generator rotor hoisting and positioning device of the present invention, the driving component includes a winding reel rotating on a fixed block, a gear one fixed to one end of the winding reel, a pulley one fixed to the surface of the positioning plate, a pulley two fixed to the surface of the L-shaped plate, and steel ropes provided on the pulley one and pulley two, with the two ends of the steel ropes respectively fixed to the surface of the winding reel and the bottom of the moving block one.

[0012] In a preferred embodiment of the turbine generator rotor hoisting and positioning device of the present invention, the supporting member includes a spline tube that slides on a disc, a pressure plate that slides on the inner wall of the vertical cylinder and is fixed to the inner surface of the moving ring, a vertical rod that slides on the spline tube and is fixed at the bottom of the pressure plate, a circular plate that is sleeved on the surface of the spline tube, the circular plate that slides on the inner wall of the vertical cylinder and is in contact with the top of the disc, a circular block that is fixed at the lower end of the vertical rod and slides on the inner wall of the spline tube, and a second movable block that is sleeved on the surface of the spline tube and is fixed to the surface of the circular block.

[0013] As a preferred embodiment of the turbine generator rotor hoisting and positioning device of the present invention, the spline tube has a bottom block fixed at its lower end, the bottom of the second movable block and the top of the bottom block are both rotatably mounted on movable plates, one end of the movable plate is mounted on an L-shaped block, the surface of the L-shaped block is fixed with a rubber pad, the upper end of the vertical rod is fitted with a spring, and the two ends of the spring are respectively fixed to the bottom of the pressure plate and the upper end of the spline tube, the upper end of the spline tube is fitted with a spring, and the two ends of the spring are respectively fixed to the bottom of the pressure plate and the top of the circular plate, the upper end of the spline tube is fixedly fitted with a sleeve plate, the sleeve plate and the vertical tube are slidably connected by a connecting rod, and the two ends of the connecting rod are respectively fixed to the surface of the hanging ring and the top of the circular plate, the surface of the spline tube is fixedly fitted with a limiting plate, which is located at the bottom of the disc.

[0014] As a preferred embodiment of the turbine generator rotor hoisting and positioning device of the present invention, the fixing component includes a housing fixed to the surface of the connecting block, and the housing is located at the bottom of the disc. A locking rod slides on the housing. A square block is fixedly sleeved on the surface of the locking rod and slides on the inner wall of the housing. A spring is sleeved on the surface of the locking rod, and the two ends of the spring are respectively fixed to the surface of the square block and the inner wall of the housing. A pull plate is fixed at the lower end of the locking rod, and a slot that cooperates with the locking rod is opened at the bottom of the slider.

[0015] As a preferred embodiment of the turbine generator rotor hoisting and positioning device of the present invention, the unlocking rotating component includes a guide rod fixed to the bottom of the disc, a short block slidably sleeved on the surface of the guide rod, a ring plate fixed to one end of the short block, a rack sleeved on the ring plate, a gear three fixed to one end of the rotating rod, and the gear three cooperating with the rack, a guide plate slidably on the rack, and one end of the guide plate fixed to one side of the connecting block, an anti-detachment block fixed to the lower end of the guide rod, and a spring four sleeved on the surface of the lower end of the guide rod, with the two ends of the spring four respectively fixed to the bottom of the ring plate and the top of the anti-detachment block.

[0016] As a preferred embodiment of the positioning method of the hydro-generator rotor hoisting and positioning device of the present invention, wherein: S1: During horizontal hoisting, the hoisting machine uses the hanging ring to lift and position the mechanism, and the rotor pressure triggering element to make the vertical plate drive the toothed plate to move, and the gear one and gear two mesh to drive the winding reel to wind up the steel rope.

[0017] S2: The steel rope pulls the moving block one and the moving ring down, which in turn moves the pressure plate, vertical rod and spline tube down. After the spline tube is blocked, the vertical rod pushes the moving block two. The movable plate rotates and opens the L-shaped block. The rubber pad supports the hollow part of the rotor in the center, and the positioning plate supports the rotor synchronously.

[0018] S3: When hoisting vertically, move down to unlock the ring plate on the rotating part, pull the lever to disengage from the slot, move the positioning plate to both sides to fix it, the triggering part is inserted into the rotor slot for limit, and the support part moves down to touch the top of the rotor for auxiliary fixation.

[0019] S4: When switching states, unlock and adjust the positioning plate. Use the rotor's gravity and the roller's drag reduction conversion. After hoisting is completed, move the ring plate upward. The rack drives the gear three to rotate, causing the positioning plate to detach from the rotor.

[0020] The beneficial effects of this invention are as follows: 1. Improved hoisting stability and safety: The weight of the rotor is distributed by multiple sets of positioning plates. Damage to a single positioning plate will not affect the overall hoisting, avoiding the risks of tilting, swaying and breakage of traditional wire rope hoisting. The support member is inserted into the hollow part of the rotor to support and center it, further ensuring that the rotor is subjected to uniform force. At the same time, the hanging ring and the vertical cylinder are reconnected through the connecting rod to prevent the hanging ring from detaching and causing the positioning mechanism and the rotor to fall.

[0021] 2. Achieve flexible adaptation to multiple states: Without changing equipment, the rotor can be switched between horizontal and vertical hoisting states by adjusting the position of the positioning plate (dispersed support when horizontal, and limit on both sides when vertical). It can also turn the horizontally hoisted rotor into a vertical position after being lowered, adapting to different installation requirements and simplifying the operation process.

[0022] 3. Improve work efficiency and convenience: The trigger can automatically trigger the drive and extension action without manual intervention. The unlocking and rotating parts can unlock multiple sets of fixed parts with one click and drive the positioning plate to rotate synchronously and detach from the rotor, avoiding the tedious operation of each one and shortening the hoisting and disassembly time. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 A scenario for hoisting and positioning devices and methods for hydro-generator rotors. Figure 1 .

[0025] Figure 2 A scenario for hoisting and positioning devices and methods for hydro-generator rotors. Figure 2 .

[0026] Figure 3 A three-dimensional positioning mechanism for the positioning device and method for hoisting and positioning hydro-generator rotors. Figure 1 .

[0027] Figure 4 A positioning device and method for lifting and positioning hydro-generator rotors. Figure 3 Enlarged view of region A in the middle.

[0028] Figure 5 A positioning device and method for lifting and positioning hydro-generator rotors. Figure 3 Enlarged view of region B in the middle.

[0029] Figure 6 A three-dimensional positioning mechanism for the positioning device and method for hoisting and positioning hydro-generator rotors. Figure 2 .

[0030] Figure 7 A positioning device and method for lifting and positioning hydro-generator rotors. Figure 6 Enlarged view of region C.

[0031] Figure 8 A partial structural sectional plan view of the hydro-generator rotor hoisting and positioning device and its positioning method.

[0032] Figure 9 A positioning device and method for lifting and positioning hydro-generator rotors. Figure 8 Enlarged view of region D in the middle.

[0033] Figure 10 A positioning device and method for lifting and positioning hydro-generator rotors. Figure 8 Enlarged view of region E in the middle.

[0034] Figure 11 A positioning device and method for lifting and positioning hydro-generator rotors. Figure 8 Enlarged view of the F region.

[0035] Figure 12 A positioning device and method for lifting and positioning hydro-generator rotors. Figure 8 Enlarged view of the G region.

[0036] Figure 13 A positioning device and method for lifting and positioning hydro-generator rotors. Figure 8 Enlarged view of region H in the middle.

[0037] Figure 14 Partial sectional perspective view of the vertical cylinder and moving ring of the hydro-generator rotor hoisting and positioning device and its positioning method.

[0038] Figure 15 Partial three-dimensional structure of the hydro-generator rotor hoisting and positioning device and its positioning method Figure 1 .

[0039] Figure 16 Partial three-dimensional structure of the hydro-generator rotor hoisting and positioning device and its positioning method Figure 2 .

[0040] Figure 17 Partial sectional perspective view of the spline tube, circular block, and moving block of the positioning device and method for the hoisting and positioning of the rotor of a hydro-generator.

[0041] In the diagram: 1. Hoisting machine; 2. Positioning mechanism; 21. Disc; 22. Vertical cylinder; 23. Positioning plate; 24. Adjusting component; 25. Trigger component; 26. Driving component; 27. Support component; 28. Fixing component; 29. ​​Unlocking rotating component; 210. Hanging ring; 3. Support block; 4. Roller; 5. Through hole; 6. Reinforcing plate; 241. Slider; 242. Connecting block; 243. Rotating rod; 244. Limiting ring one; 245. Limiting ring two; 246. L-shaped plate; 247. Moving ring; 248. Moving block one; 249. Circular frame; 2410. Torsion spring; 251. Vertical plate; 252. Empty block; 253. Spring piece; 254. Fixing block; 255. Gear one; 256. Gear two; 257. Gear plate; 258. Magnet; 259. Trigger plate; 261. Winding reel; 262. Pulley 1; 263. Pulley 2; 264. Steel rope; 271. Spline tube; 272. Pressure plate; 273. Vertical rod; 274. Circular plate; 275. Circular block; 276. Moving block 2; 277. Base block; 278. Movable plate; 279. L-shaped block; 2710. Rubber pad; 2711. Spring 1; 2712. Spring 2; 2713. Sleeve plate; 2714. Connecting rod; 2715. Limiting plate; 281. Housing; 282. Locking rod; 283. Square block; 284. Spring 3; 285. Pull plate; 286. Locking groove; 291. Guide rod; 292. Short block; 293. Ring plate; 294. Rack; 295. Gear 3; 296. Guide plate; 297. Anti-detachment block; 298. Spring 4. Detailed Implementation

[0042] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0043] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0044] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0045] Example 1, referring to Figures 1-3 This is the first embodiment of the present invention. This embodiment provides a hydro-generator rotor hoisting and positioning device and its positioning method. The hydro-generator rotor hoisting and positioning device and its positioning method include a hoisting machine 1 and a positioning mechanism 2.

[0046] Specifically, the hoist 1 is used to lift the rotor of the hydro-generator. The hoist 1 is existing technology, and the working principle of this part is also existing technology, which can be clearly understood by those skilled in the art, and will not be described in detail here.

[0047] Specifically, the positioning mechanism 2, attached to the hoisting machine 1, is used to position the hoisted hydro-generator rotor. It includes a disc 21, with a vertical cylinder 22 fixed to the top of the disc 21. Adjusting components 24 are installed on the disc 21 and the vertical cylinder 22. A positioning plate 23 for supporting and positioning the hydro-generator rotor is installed on the adjusting components 24. Through the setting of the adjusting components 24, the positioning plate 23 and the disc 21 can be indirectly connected, and the position of the positioning plate 23 can be adjusted to meet the requirements. Figure 1 and Figure 2 The hoisting and positioning requirements are met to satisfy both horizontal and vertical hoisting of the turbine generator rotor. The number of positioning plates 23 and adjusting parts 24 are several and identical.

[0048] A trigger element 25 is installed at one end of the positioning plate 23. A drive element 26 is installed on the positioning plate 23 and the adjusting element 24. A support element 27 for supporting the hollow part in the middle of the turbine generator rotor is installed on the vertical cylinder 22 and the disc 21. The support element 27 cooperates with the adjusting element 24. Through the setting of the drive element 26, when the turbine generator rotor is placed horizontally for hoisting and positioning, such as Figure 1 During the process, as the hoist 1 lifts the entire positioning mechanism 2 upwards, it is necessary to overcome the weight of the hydro-generator rotor in the early stage. During this process, the trigger 25 comes into contact with the hydro-generator rotor and is subjected to relative action. The hydro-generator rotor applies pressure to the trigger 25, which in turn acts on the drive 26 to make it run. Then, the drive support 27 runs and moves downwards to insert into the empty part in the middle of the hydro-generator rotor and supports it, thus playing the role of centering the hydro-generator rotor.

[0049] The weight of the hydro-generator rotor is more evenly distributed across multiple positioning plates 23. The multiple positioning plates 23 ensure that normal hoisting and positioning is not affected even if one positioning plate 23 is damaged. At the same time, the hydro-generator rotor will not tilt, improving the safety of hoisting and positioning and avoiding the instability, tilting, breakage, and falling that occur when using traditional wire rope hoisting and positioning.

[0050] A fixing member 28 is installed at the lower end of the adjusting member 24, and the fixing member 28 cooperates with the adjusting member 24. An unlocking rotating member 29 is fixed at the bottom of the disc 21, and the unlocking rotating member 29 cooperates with both the fixing member 28 and the adjusting member 24. The fixing member 28 can fix the position of the adjusting member 24, thereby fixing the positioning plate 23. Simultaneously, it can unlock and fix the adjusting member 24 and the positioning plate 23, moving them closer to two of the positioning plates 23, and then fixing them with the fixing member 28. Multiple sets of positioning plates 23 are combined into two main parts symmetrically located on both sides of the disc 21, suitable for the vertically placed hydro-generator rotor hoisting and positioning. Figure 2 As shown in the image.

[0051] The trigger 25 on the positioning plates 23 on both sides is placed in the slot of the hydro-generator rotor for limitation, and the lower end of the positioning plate 23 contacts it. Then, the hoisting and positioning are carried out under the operation of the hoisting machine 1. During this process, the support 27 moves down to contact the top of the hydro-generator rotor, thereby playing a certain role in fixing it. In this state, the positioning mechanism 2 can lift the horizontally placed hydro-generator rotor into a vertical state. It is only necessary to hook the positioning plate 23 and trigger 25 on one side of the disc 21 onto the hydro-generator rotor and then hoist it. After hoisting it up and placing it at a slight tilt, it is lowered. When the hydro-generator rotor contacts the ground, it overcomes the tilt and becomes vertical under its own weight.

[0052] A hanging ring 210 is fixed at the upper end of the vertical cylinder 22. With the setting of the unlocking rotating part 29, when multiple fixed parts 28 need to be unlocked at the same time, the unlocking can be performed with one button. At the same time, the positioning plate 23 after hoisting and positioning can be rotated, so that the positioning plate 23 can be separated from the turbine generator rotor and the positioning mechanism 2 can be removed from the turbine generator rotor. The hook on the hoisting machine 1 can be easily connected and hoisted by the hanging ring 210. The shape of the positioning plate 23 can be processed according to the actual situation. Multiple sets of positioning plates 23 can be processed to abut against each other after being combined and contacted, which can improve the strength of vertical hoisting and positioning.

[0053] Example 2, refer to Figures 3-7 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0054] Specifically, the adjusting component 24 includes a slider 241 that slides within the disc 21. A connecting block 242 is fixed to one side of the slider 241. There are several sliders 241. The disc 21 has an annular groove for the slider 241 to slide. The slider 241 is arc-shaped and has a T-shaped cross-section. This design ensures that the slider 241 will not disengage when it moves and rotates within the annular groove on the disc 21. A rotating rod 243 is rotatably mounted on the connecting block 242. The rotating rod 243 is rotatably connected to the connecting block 242 via a bearing. The upper end of the positioning plate 23 is fixedly sleeved on the surface of the rotating rod 243.

[0055] A limiting ring 244 is fixed to the top of the disc 21, and a limiting ring 245 is fixed to the upper surface of the vertical cylinder 22. An L-shaped plate 246 slides on the limiting rings 244 and 245, and one end of the L-shaped plate 246 is fixed to the surface of the connecting block 242. The cross-sections of the limiting rings 244 and 245 are both T-shaped. The limiting rings 244 and 245 can limit the L-shaped plate 246, and the L-shaped plate 246 will not detach when it rotates and moves on them. A moving ring 247 slides on the vertical cylinder 22, and a moving block 248 slides on the moving ring 247. The upper end of the L-shaped plate 246 slides on the moving block 248.

[0056] With the setting of the first movable block 248, when the L-shaped plate 246 rotates around the vertical cylinder 22, the positioning plate 23 on the connecting block 242 also rotates together. The first movable block 248 can rotate synchronously on the movable ring 247, and the corresponding driving component 26 also rotates together. When the driving component 26 runs, it can act on the positioning plate 23 and the first movable block 248 corresponding to the L-shaped plate 246, thereby pulling the movable ring 247 to make the supporting component 27 act on the turbine generator rotor, and positioning the positioning mechanism 2 relative to the turbine generator rotor in the center.

[0057] Specifically, a circular frame 249 is fixed to one side of the connecting block 242, and the circular frame 249 is sleeved on one end surface of the rotating rod 243. A torsion spring 2410 is sleeved on one end surface of the rotating rod 243. The two ends of the torsion spring 2410 are fixed to the surface of the rotating rod 243 and the inner wall of the circular frame 249, respectively. Through the setting of the torsion spring 2410, the rotating rod 243 deforms when it rotates with the positioning plate 23, providing a force for the subsequent reset of the rotating rod 243 and the positioning plate 23.

[0058] Specifically, the trigger 25 includes a vertical plate 251 that slides on the lower end of the positioning plate 23. A hollow block 252 is fixed on the upper end of the vertical plate 251. A spring piece 253 is fixed between the bottom of the hollow block 252 and the lower end of the positioning plate 23. A fixing block 254 is fixed on the lower surface of the positioning plate 23. A gear 1 255 and a gear 256 rotate on the fixing block 254 respectively. A toothed plate 257 is fixed on both sides of the vertical plate 251, and the toothed plate 257 slides on the lower end of the positioning plate 23. The vertical plate 251 and the toothed plate 257 pass through the positioning plate 23 and are slidably connected to it. The gear 256 meshes with the gear 1 255 and the toothed plate 257 respectively. A magnet 258 is fixed on the inner wall of the hollow block 252. A trigger plate 259 is fixed on the surface of the vertical plate 251, and the trigger plate 259 slides on the lower surface of the positioning plate 23.

[0059] By setting the spring clip 253, when the turbine generator rotor is placed laterally for hoisting and positioning, such as Figure 1During the process, as the hoist 1 lifts the entire positioning mechanism 2 upwards, it is necessary to overcome the weight of the hydro-generator rotor. In this process, the empty block 252 comes into contact with the hydro-generator rotor and is subjected to relative action, which causes the vertical plate 251 and the toothed plate 257 to move on the positioning plate 23. After the lower end of the positioning plate 23 comes into contact with the hydro-generator rotor, it plays a supporting role. Then, as the hoist 1 lifts the entire positioning mechanism 2, the hydro-generator rotor is hoisted with the help of the positioning plate 23. During this process, the spring piece 253 undergoes compression deformation, which provides a force for the empty block 252, the vertical plate 251 and the toothed plate 257 to reset when the empty block 252 is separated from the hydro-generator rotor after the subsequent hoisting is completed.

[0060] With the arrangement of gear 1 255 and gear 2 256, when the toothed plate 257 moves with the vertical plate 251, it can drive gear 2 256 to rotate, which in turn drives gear 1 255 to rotate, causing the winding reel 261 to rotate and wind up the steel rope 264, thereby pulling the moving block 1 248 down, which in turn pulls the moving ring 247 down on the surface of the vertical cylinder 22.

[0061] The lower end of the trigger plate 259 is inclined. With this design, when the positioning mechanism 2 needs to place the lower end of the positioning plate 23 under the turbine generator rotor, the inclined lower end of the trigger plate 259 contacts the turbine generator rotor. Under the overall gravity of the positioning mechanism 2, the trigger plate 259 rotates, which in turn causes the positioning plate 23 to rotate. As it rotates and moves downward, the trigger plate 259 gradually detaches from the turbine generator rotor and is placed below it, thus placing the lower end of the positioning plate 23 under the turbine generator rotor. No manual operation is required, and then the hoisting and positioning operation can be carried out.

[0062] With the magnet 258 in place, after the trigger 25 and the lower end of the positioning plate 23 are located below the turbine generator rotor, the magnet 258 can be magnetically attracted to the turbine generator rotor. When the hoisting is subjected to the weight of the rotor, the hollow block 252 and the vertical plate 251 are more stable, and the lower end of the positioning plate 23 is better hung below the turbine generator rotor.

[0063] Specifically, the drive component 26 includes a take-up reel 261 that rotates on the fixed block 254, a gear 255 fixed to one end of the take-up reel 261, both ends of the take-up reel 261 being rotatably connected to the fixed block 254 via bearings, a pulley 262 fixed to the surface of the positioning plate 23, a pulley 263 fixed to the surface of the L-shaped plate 246, and a steel rope 264 provided on the pulley 262 and the pulley 263, with both ends of the steel rope 264 fixed to the surface of the take-up reel 261 and the bottom of the moving block 248, respectively.

[0064] The positioning plate 23 is equipped with multiple pulleys 262. The pulleys 262 and 263 limit the steel rope 264 and change its orientation so that the winding reel 261 can wind up the steel rope 264 when it rotates. This will pull the moving block 248 down, thereby pulling the moving ring 247 down on the surface of the vertical cylinder 22. The movement of the moving ring 247 acts on the support member 27 to make it run.

[0065] Example 3, referring to Figures 8 to 17 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0066] Specifically, the support member 27 includes a spline tube 271 that slides on the disc 21, a pressure plate 272 that slides on the inner wall of the vertical cylinder 22 and is fixed to the inner surface of the moving ring 247, a vertical rod 273 that slides on the spline tube 271 and is fixed at the bottom of the pressure plate 272, a circular plate 274 that is fitted on the surface of the spline tube 271, the circular plate 274 that slides on the inner wall of the vertical cylinder 22 and is in contact with the top of the disc 21, a circular block 275 that is fixed at the lower end of the vertical rod 273 and slides on the inner wall of the spline tube 271, and a second movable block 276 that is fitted on the surface of the spline tube 271 and is fixed to the surface of the circular block 275.

[0067] Specifically, a base block 277 is fixed to the lower end of the spline tube 271. Movable plates 278 rotate on both the bottom of the movable block 276 and the top of the base block 277. An L-shaped block 279 rotates on one end of the movable plate 278. A rubber pad 2710 is fixed to the surface of the L-shaped block 279. A spring 2711 is fitted onto the upper surface of the vertical rod 273, and both ends of the spring 2711 are fixed to the bottom of the pressure plate 272 and the upper end of the spline tube 271, respectively. A second spring 2712 is fitted, and the two ends of the second spring 2712 are fixed to the bottom of the pressure plate 272 and the top of the circular plate 274, respectively. A sleeve plate 2713 is fixedly fitted on the upper surface of the spline tube 271. A connecting rod 2714 slides on the sleeve plate 2713 and the vertical cylinder 22, and the two ends of the connecting rod 2714 are fixed to the surface of the hanging ring 210 and the top of the circular plate 274, respectively. A limiting plate 2715 is fixedly fitted on the surface of the spline tube 271 and is located at the bottom of the disc 21.

[0068] Spline tube 271 passes through disc 21 and is slidably connected to it. Vertical rod 273 passes through spline tube 271 and is slidably connected to it. Moving block 276 is slidably connected to spline tube 271. Through the setting of spring 2711, pressure plate 272 and spline tube 271 are indirectly connected. When steel rope 264 pulls moving block 248 to move moving ring 247, it drives pressure plate 272 to move inside vertical cylinder 22. Under the action of spring 2711, the movement of pressure plate 272 drives spring 2711, spline tube 271 and sleeve plate 2713 to move. During this process, spring 2712 is compressed.

[0069] When the sleeve plate 2713 moves and contacts the circular plate 274, the spline tube 271 can no longer move as the pressure plate 272 moves. During this process, the vertical rod 273 moves down together with the pressure plate 272 and the spline tube 271, and the movable plate 278, L-shaped block 279, bottom block 277, circular block 275 and moving block 276 also move down together. After the spline tube 271 can no longer move, the vertical rod 273 continues to move down as the pressure plate 272 moves down and is compressed by the spring 2711. This causes the circular block 275 and the second movable block 276 to move downwards, causing the movable plate 278 to rotate and push the multiple circumferentially distributed L-shaped blocks 279 outwards. With the help of the rubber pad 2710, they contact the middle annular part of the turbine generator rotor, thereby abutting and centering it. The bend of the L-shaped block 279 plays a role in supporting the turbine generator rotor and preventing it from falling off. Even if the positioning plate 23 is damaged during hoisting, the L-shaped block 279 can play a certain role in hoisting support.

[0070] By setting the second spring 2712, when it is not compressed, the pressure plate 272 is located above the vertical cylinder 22. When the pressure plate 272 moves, it is compressed, providing force for the reset of the pressure plate 272 and the vertical rod 273. By setting the connecting rod 2714 and the circular plate 274, when the hanging ring 210 is detached from the vertical cylinder 22 during hoisting, the vertical cylinder 22 and the hanging ring 210 can be connected, preventing the positioning mechanism 2 and the turbine generator rotor from falling together. When the circular block 275 moves and applies pressure to the second spring 2712, it can act on the pressure plate 272, which in turn acts on the driving component 26, so that the trigger component 25 will not detach from the rotor at the moment when the hanging ring 210 detaches from the vertical cylinder 22.

[0071] Specifically, the fixing component 28 includes a housing 281 fixed to the surface of the connecting block 242, and the housing 281 is located at the bottom of the disc 21. A locking rod 282 slides on the housing 281. The upper end of the locking rod 282 is chamfered. This design facilitates the smooth insertion of the locking rod 282 into the through hole 5 and the slot 286. A square block 283 is fixedly fitted on the surface of the locking rod 282, and the square block 283 slides on the inner wall of the housing 281. A spring 284 is fitted on the surface of the locking rod 282, and the two ends of the spring 284 are fixed to the surface of the square block 283 and the inner wall of the housing 281, respectively. The spring 284 prevents the locking rod 282 from being dislodged without human intervention after being inserted into the slot 286 on the slider 241. A pull plate 285 is fixed to the lower end of the locking rod 282, and the bottom of the slider 241 has a slot 286 that cooperates with the locking rod 282.

[0072] The block 283 guides and limits the lever 282, preventing it from rotating when moving on the housing 281, thus preventing the pull plate 285 from rotating. The slot 286, when the lever 282 is inserted, fixes the position of the corresponding slider 241 on the disc 21, facilitating adjustment and limiting for various usage conditions. Pulling the pull plate 285 moves the lever 282, causing it to disengage from the slot 286 and the corresponding through hole 5, releasing the limitation on the corresponding slider 241.

[0073] Specifically, the unlocking rotating component 29 includes a guide rod 291 fixed to the bottom of the disc 21. A short block 292 is slidably sleeved on the surface of the guide rod 291. The guide rod 291 guides and limits the short block 292. One end of the short block 292 is fixed with a ring plate 293. With the ring plate 293, when it is moved down, multiple pull plates 285 can be pushed down at the same time, thereby causing multiple locking rods 282 to move down and disengage from the locking slots 286, so that multiple fixing components 28 can unlock multiple sliders 241 at the same time.

[0074] A rack 294 is fitted on the ring plate 293, and a gear 295 is fixed at one end of the rotating rod 243. The gear 295 engages with the rack 294. By setting the rack 294 and gear 295, when it needs to be removed from the rotor after hoisting, the ring plate 293 is moved upward, which in turn drives multiple racks 294 to move upward and mesh with multiple gears 295. As multiple racks 294 move upward, multiple gears 295 rotate, thereby causing multiple rotating rods 243 and positioning plates 23 to rotate. It is not necessary to rotate the positioning plate 23 individually to remove it from the rotor, making it more convenient and faster to remove the positioning mechanism 2 from the rotor.

[0075] A guide plate 296 slides on the rack 294, and one end of the guide plate 296 is fixed to one side of the connecting block 242. The guide plate 296 guides and limits the rack 294. At the same time, when the slider 241 and the connecting block 242 rotate, the guide plate 296 can drive the rack 294 to rotate on the ring plate 293 together to maintain the relative position. The anti-detachment block 297 prevents the short block 292 from detaching from the guide rod 291. The anti-detachment block 297 is fixed at the lower end of the guide rod 291. A spring 298 is sleeved on the lower surface of the guide rod 291, and the two ends of the spring 298 are fixed to the bottom of the ring plate 293 and the top of the anti-detachment block 297, respectively. The spring 298 supports the short block 292 and the ring plate 293, so that the ring plate 293 is in the corresponding position when not in use, and can move up or down normally when used later.

[0076] A support block 3 is fixed to the lower surface of the positioning plate 23. The support block 3 can provide support when the turbine generator rotor is placed horizontally for hoisting. A roller 4 rotates on the support block 3. The roller 4 reduces resistance when the turbine generator rotor is hoisted vertically, so that the positioning mechanism 2 can be kept vertical more quickly when it moves up with the hoisting machine 1. The bottom of the disc 21 has several through holes 5 that cooperate with the locking rod 282. The through holes 5 are distributed in a circumferential array on the bottom of the disc 21. This makes it convenient to position the adjusted slider 241 after the locking rod 282 passes through the through hole 5 and is inserted into the locking slot 286. This also limits the position of the adjusting part 24. A reinforcing plate 6 is fixed to the surface of the positioning plate 23. The reinforcing plate 6 strengthens the positioning plate 23 and improves its stability.

[0077] Example 4, refer to Figures 1 to 17 This is the fourth embodiment of the present invention, which is based on the first three embodiments.

[0078] Specifically, the following positioning methods are also included: S1: During horizontal hoisting, the hoisting machine 1 uses the hanging ring 210 to lift the positioning mechanism 2, and the rotor applies pressure to the trigger 25, causing the vertical plate 251 to drive the toothed plate 257 to move. The gear one 255 and the gear two 256 mesh to drive the winding reel 261 to wind up the steel rope 264.

[0079] S2: The steel rope 264 pulls the moving block 248 and the moving ring 247 down, which drives the pressure plate 272, the vertical rod 273 and the spline tube 271 down. After the spline tube 271 is blocked, the vertical rod 273 pushes the moving block 276. The movable plate 278 rotates and opens the L-shaped block 279. The rubber pad 2710 supports the hollow part of the rotor in the center, and the positioning plate 23 supports the rotor synchronously.

[0080] S3: During vertical hoisting, move down to unlock the ring plate 293 on the rotating part 29, pull the locking rod 282 to disengage from the slot 286, move the positioning plate 23 to both sides to fix it, the trigger part 25 is inserted into the rotor slot for limit, and the support part 27 moves down to touch the top of the rotor for auxiliary fixation.

[0081] S4: When switching states, unlock and adjust the positioning plate 23. Use the rotor's gravity and the roller 4 to reduce resistance and convert. After hoisting, move the ring plate 293 upward. The rack 294 drives the gear 3 295 to rotate, so that the positioning plate 23 is separated from the rotor.

[0082] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A device for hoisting and positioning a hydro-generator rotor, characterized in that: include, A hoist (1) is used to lift the rotor of a hydro-generator; and, A positioning mechanism (2), attached to a hoisting machine (1), is used to position the hoisted hydro-generator rotor. It includes a disc (21) with a vertical cylinder (22) fixed to the top. Adjusting components (24) are installed on the disc (21) and the vertical cylinder (22). A positioning plate (23) for supporting and positioning the hydro-generator rotor is installed on the adjusting component (24). A trigger (25) is installed at one end of the positioning plate (23). A driving component (26) is installed on the positioning plate (23) and the adjusting component (24). The vertical cylinder (22) and the disc (21) are equipped with a support member (27) for supporting the hollow part in the middle of the turbine generator rotor. The support member (27) cooperates with the adjustment member (24). The lower end of the adjustment member (24) is equipped with a fixing member (28), and the fixing member (28) cooperates with the adjustment member (24). The bottom of the disc (21) is fixed with an unlocking rotating member (29), and the unlocking rotating member (29) cooperates with the fixing member (28) and the adjustment member (24) respectively. The upper end of the vertical cylinder (22) is fixed with a hanging ring (210).

2. The hydro-generator rotor hoisting and positioning device as described in claim 1, characterized in that: The adjusting component (24) includes a slider (241) that slides within the disc (21). A connecting block (242) is fixed to one side of the slider (241). A rotating rod (243) rotates on the connecting block (242). The upper end of the positioning plate (23) is fixedly sleeved on the surface of the rotating rod (243). A limiting ring one (244) is fixed to the top of the disc (21). A limiting ring two (245) is fixed to the upper surface of the vertical cylinder (22). An L-shaped plate (246) slides on the limiting ring one (244) and the limiting ring two (245), and one end of the L-shaped plate (246) is fixed to the surface of the connecting block (242). A moving ring (247) slides on the vertical cylinder (22). A moving block one (248) slides on the moving ring (247). The upper end of the L-shaped plate (246) slides on the moving block one (248).

3. The hydro-generator rotor hoisting and positioning device as described in claim 2, characterized in that: A circular frame (249) is fixed on one side of the connecting block (242), and the circular frame (249) is sleeved on one end surface of the rotating rod (243). A torsion spring (2410) is sleeved on one end surface of the rotating rod (243), and the two ends of the torsion spring (2410) are respectively fixed to the surface of the rotating rod (243) and the inner wall of the circular frame (249).

4. The hydro-generator rotor hoisting and positioning device as described in claim 2, characterized in that: The trigger (25) includes a vertical plate (251) that slides on the lower end of the positioning plate (23). A hollow block (252) is fixed on the upper end of the vertical plate (251). A spring piece (253) is fixed between the bottom of the hollow block (252) and the lower end of the positioning plate (23). A fixing block (254) is fixed on the lower surface of the positioning plate (23). A gear one (255) and a gear two (256) rotate on the fixing block (254). A toothed plate (257) is fixed on both sides of the vertical plate (251). The toothed plate (257) slides on the lower end of the positioning plate (23). The gear two (256) meshes with the gear one (255) and the toothed plate (257) respectively. A magnet (258) is fixed on the inner wall of the hollow block (252). A trigger plate (259) is fixed on the surface of the vertical plate (251). The trigger plate (259) slides on the lower surface of the positioning plate (23).

5. The hydro-generator rotor hoisting and positioning device as described in claim 4, characterized in that: The driving component (26) includes a take-up reel (261) rotating on a fixed block (254), a gear (255) fixed to one end of the take-up reel (261), a pulley (262) fixed on the surface of the positioning plate (23), a pulley (263) fixed on the surface of the L-shaped plate (246), and a steel rope (264) provided on the pulley (262) and the pulley (263). The two ends of the steel rope (264) are respectively fixed to the surface of the take-up reel (261) and the bottom of the moving block (248).

6. The hydro-generator rotor hoisting and positioning device as described in claim 2, characterized in that: The support member (27) includes a spline tube (271) that slides on a disc (21), a pressure plate (272) that slides on the inner wall of the vertical cylinder (22), and the pressure plate (272) is fixed to the inner surface of the moving ring (247). A vertical rod (273) slides on the spline tube (271), and the upper end of the vertical rod (273) is fixed to the bottom of the pressure plate (272). A circular plate (274) is sleeved on the surface of the spline tube (271). The circular plate (274) slides on the inner wall of the vertical cylinder (22), and the bottom of the circular plate (274) contacts the top of the disc (21). A circular block (275) is fixed at the lower end of the vertical rod (273), and the circular block (275) slides on the inner wall of the spline tube (271). A second moving block (276) is sleeved on the surface of the spline tube (271), and the second moving block (276) is fixed to the surface of the circular block (275).

7. The hydro-generator rotor hoisting and positioning device as described in claim 6, characterized in that: The spline tube (271) has a base block (277) fixed at its lower end. The bottom of the movable block two (276) and the top of the base block (277) are both equipped with movable plates (278). One end of the movable plate (278) is equipped with an L-shaped block (279). A rubber pad (2710) is fixed on the surface of the L-shaped block (279). A spring (2711) is sleeved on the upper surface of the vertical rod (273). The two ends of the spring (2711) are fixed to the bottom of the pressure plate (272) and the upper end of the spline tube (271), respectively. The upper surface of the spline tube (271) is... The surface is fitted with a second spring (2712), and the two ends of the second spring (2712) are fixed to the bottom of the pressure plate (272) and the top of the circular plate (274) respectively. The upper surface of the spline tube (271) is fitted with a sleeve plate (2713). A connecting rod (2714) slides on the sleeve plate (2713) and the vertical cylinder (22), and the two ends of the connecting rod (2714) are fixed to the surface of the hanging ring (210) and the top of the circular plate (274) respectively. A limiting plate (2715) is fitted on the surface of the spline tube (271) and is located at the bottom of the disc (21).

8. The hydro-generator rotor hoisting and positioning device as described in claim 2, characterized in that: The fixing component (28) includes a housing (281) fixed to the surface of the connecting block (242), and the housing (281) is located at the bottom of the disc (21). A locking rod (282) slides on the housing (281). A block (283) is fixedly sleeved on the surface of the locking rod (282), and the block (283) slides on the inner wall of the housing (281). A spring three (284) is sleeved on the surface of the locking rod (282), and the two ends of the spring three (284) are respectively fixed to the surface of the block (283) and the inner wall of the housing (281). A pull plate (285) is fixed at the lower end of the locking rod (282). A slot (286) that cooperates with the locking rod (282) is opened at the bottom of the slider (241).

9. The hydro-generator rotor hoisting and positioning device as described in claim 2, characterized in that: The unlocking rotating component (29) includes a guide rod (291) fixed to the bottom of the disc (21). A short block (292) is slidably sleeved on the surface of the guide rod (291). A ring plate (293) is fixed to one end of the short block (292). A rack (294) is sleeved on the ring plate (293). A gear three (295) is fixed to one end of the rotating rod (243), and the gear three (295) cooperates with the rack (294). A guide plate (296) slides on the rack (294), and one end of the guide plate (296) is fixed to one side of the connecting block (242). An anti-detachment block (297) is fixed to the lower end of the guide rod (291). A spring four (298) is sleeved on the surface of the lower end of the guide rod (291), and the two ends of the spring four (298) are respectively fixed to the bottom of the ring plate (293) and the top of the anti-detachment block (297).

10. A positioning method for a hydro-generator rotor hoisting and positioning device, characterized in that: The device for hoisting and positioning a hydro-generator rotor, as described in any one of claims 1-9, further includes the following positioning method: S1: During horizontal hoisting, the hoisting machine (1) uses the hanging ring (210) to lift the positioning mechanism (2), and the rotor applies pressure to the trigger (25), causing the vertical plate (251) to drive the toothed plate (257) to move. The gear one (255) and gear two (256) mesh to drive the winding reel (261) to wind up the steel rope (264). S2: The steel rope (264) pulls the moving block one (248) and the moving ring (247) down, which drives the pressure plate (272), the vertical rod (273) and the spline tube (271) down. After the spline tube (271) is blocked, the vertical rod (273) pushes the moving block two (276). The movable plate (278) rotates and opens the L-shaped block (279). The rubber pad (2710) supports the hollow part of the rotor in the center, and the positioning plate (23) supports the rotor synchronously. S3: When hoisting vertically, move down the ring plate (293) on the unlocking rotating part (29), pull the clamp rod (282) to disengage from the slot (286), move the positioning plate (23) to both sides to fix it, the trigger part (25) is inserted into the rotor slot to limit the position, and the support part (27) moves down to touch the top of the rotor to assist in fixing it. S4: When switching states, unlock and adjust the positioning plate (23), use the rotor gravity and roller (4) to reduce resistance and convert. After hoisting, move the ring plate (293) up, and the rack (294) drives the gear three (295) to rotate, so that the positioning plate (23) is separated from the rotor.

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