Device for pushing and placing rotor magnetic pole box of wind driven generator

Abstract

The invention discloses a pushing device for a rotor magnetic pole box of a wind driven generator, and relates to the technical field of wind driven generators. The device comprises a connecting support detachably arranged at the upper end of a rotor support, a driver is installed on the connecting support, a push block assembly is arranged on the driver, a guide plate assembly is detachably and fixedly installed at the position, below the push block assembly, of the upper end of the rotor support, and a pressing strip is detachably installed on the lower side of the guide plate assembly. The pressing strip is detachably connected with the rotor support, and the driver drives the push block assembly to move downwards so as to push the magnetic pole box to pass through the guide plate assembly and be pushed into the rotor support along the pressing strip. The device realizes a top-to-bottom assembly mode of the magnetic pole box, so that the device can flexibly meet the special operation requirement of inverted placement of the rotor bracket; the guide plate assembly and the pressing strip form a stable guide and limiting structure, stable movement of the magnetic pole box in the pushing and placing process is guaranteed, and the problem that the magnetic pole box is prone to jumping out in the pushing and placing process of an existing device is solved.

Description

Technical Field

[0001] The invention relates to the technical field of wind turbine generators, and in particular to a device for pushing and releasing a magnetic pole box of a rotor of a wind turbine generator. Background Art

[0002] In the field of wind power generation, a wind turbine is an electric power device that converts wind energy into mechanical work, which drives the rotor to rotate and finally outputs alternating current using the principle of electromagnetic induction. Its performance and efficiency directly affect the operation of the entire power generation system. At present, direct-drive wind turbines adopt an outer rotor and inner stator structure. The rotor is a permanent magnet. The rotor includes a rotor bracket, an S-pole pole box, an N-pole pole box, etc. The direct-drive rotor pole box is mostly a surface-mounted structure, that is, the permanent magnet is located on the inner surface of the rotor bracket, and the pole boxes are arranged closely in sequence and fixed to the inner surface of the rotor bracket by bolts and pressure strips. Therefore, the repulsion and suction of the pole box and the risk of adsorbing foreign matter during transportation need to be considered during the rotor assembly process.

[0003] At present, the rotor bracket is placed in the forward direction, with the rotor end cover facing downward, and the pole box is pushed in from the bottom to the top. In this way, the pole box pushing and placing equipment can be supported on the ground and fixed by a locking device, so as to push the pole box into the rotor bracket. However, this method is only applicable to the working condition where the rotor bracket is placed in the forward direction and pushed from the bottom to the top, and cannot be pushed in the upside-down position of the rotor bracket. At present, there is indeed a demand for pushing the pole box from the top to the bottom when the rotor bracket of the wind turbine is inverted. At the same time, the existing device has the problem of the pole box jumping out during the pushing and placing process.

[0004] Based on this, the applicant proposed a device for pushing and releasing the rotor pole box of a wind turbine to solve the above technical problems. Summary of the invention

[0005] Aiming at the deficiencies in the prior art, the present invention provides a device for pushing and releasing a magnetic pole box of a rotor of a wind turbine generator.

[0006] The present invention is solved by the following technical solutions: A device for pushing and releasing a rotor pole box of a wind turbine generator comprises a connecting bracket detachably arranged at the upper end of a rotor bracket, a driver is installed on the connecting bracket, a pushing block assembly is arranged on the driver, a guide plate assembly is detachably fixedly installed on the upper end of the rotor bracket below the pushing block assembly, a pressure strip is detachably installed on the lower side of the guide plate assembly, the pressure strip is detachably connected to the rotor bracket, the driver drives the pushing block assembly to move downward, thereby pushing the pole box through the guide plate assembly and pushing it into the rotor bracket along the pressure strip.

[0007] Preferably, the connecting bracket includes an inverted supporting bracket, the inverted supporting bracket includes a top plate, both ends of the lower side of the top plate are fixedly connected with columns, the lower ends of the columns are fixedly provided with a connecting plate, and the connecting plate is detachably connected to the rotor bracket.

[0008] Preferably, a plurality of positioning holes are evenly arranged on the upper side of the rotor bracket, and a plurality of connecting holes are correspondingly arranged on the connecting plate. The connecting holes are aligned with the positioning holes and then connected by bolts.

[0009] Preferably, two side brackets are fixedly provided at the outer end of the connecting plate, the two side brackets are located at both sides of the rotor bracket, and a transfer roller is provided on the side bracket facing the rotor bracket.

[0010] Preferably, a plurality of reinforcing ribs A are provided between the upright column and the connecting plate.

[0011] Preferably, the connecting bracket also includes an auxiliary support frame, the upper end of the auxiliary support frame is fixedly connected to the middle part of the lower side of the top plate, and the driver is installed on the auxiliary support frame.

[0012] Preferably, a plurality of reinforcing ribs C are provided between the auxiliary support frame and the top plate.

[0013] Preferably, a vertical plate is provided on one side of the column, and an oblique support is fixedly installed between the vertical plate and the auxiliary support frame by bolts.

[0014] Preferably, the guide plate assembly includes a base plate detachably mounted on the upper end of the rotor bracket, guide plates are arranged at both ends of the side surfaces of the base plate, a slide groove is formed between the two guide plates, a guide strip is arranged on the guide plate outside the slide groove, and the guide strip is connected to the pressure strip through a pressure plate.

[0015] Preferably, mounting holes are provided at both ends of the bottom plate, and the mounting holes are aligned with the positioning holes and connected by bolts.

[0016] Preferably, the mounting hole is a waist-shaped countersunk hole.

[0017] Preferably, a reinforcing rib B is further provided between the bottom plate and the guide plate.

[0018] Preferably, the pressing plate is fork-shaped, shaped like a double-ended open-end wrench.

[0019] Preferably, the cross section of the pressure strip is in a "T" shape, and the two pressure strips and the rotor bracket form a limiting groove, and the limiting groove is adapted to the sliding groove.

[0020] Preferably, the push block assembly comprises a connecting block connected to the driver, a push block is arranged on the connecting block, and an adjustment pad is further arranged between the push block and the connecting block.

[0021] Preferably, a plurality of through holes are provided on the connecting block, the pushing block and the adjusting pad, and the position of the pushing block is adjusted by the cooperation among different through holes on the connecting block, the pushing block and the adjusting pad.

[0022] Preferably, a slope is provided on the lower end of the push block facing the driver.

[0023] Preferably, the driver comprises a linear unit, a mounting plate is provided on the linear unit, and the connecting block is connected to the mounting plate.

[0024] Preferably, the driver comprises a hydraulic mechanism or a screw mechanism.

[0025] The beneficial effects of the present invention are: 1. Meet diverse assembly requirements and have strong adaptability: The push-and-place device designed in the present invention can be flexibly installed on the upper end of the rotor bracket through a detachable connecting bracket, innovatively realizing the top-down assembly method of the magnetic pole box, breaking the limitation of the traditional bottom-up push-and-place method, so that the device can flexibly cope with the special operation requirements of the inverted rotor bracket, and meet more diverse assembly requirements. At the same time, whether the rotor bracket is placed forward, inverted or horizontally, the push-and-place operation of the magnetic pole box can be realized, which greatly expands the application range of the device and meets the installation requirements under different working conditions; 2. Improve installation efficiency and safety: The driver drives the push block assembly to automatically push and place the pole box, which not only reduces manual operation and labor intensity, but also avoids problems such as inaccurate installation position and uneven installation force of the pole box caused by improper manual operation, thereby improving installation efficiency and safety. At the same time, the automated pushing and placing process effectively reduces the risk of foreign matter being absorbed by the pole box during transportation; 3. Solve the problem of the pole box jumping out: Through the ingenious design of the guide plate assembly and the pressure strip, a stable guide and limit structure is formed to ensure the smooth movement of the pole box during the push-and-release process, effectively solving the problem of the pole box easily jumping out during the push-and-release process of the existing device, and ensuring the accuracy, stability and safety of the push-and-release; 4. Enhance the versatility and flexibility of the device: The present invention realizes the movement of the device between adjacent magnetic poles of the rotor bracket by designing an independent inverted support structure of the linear unit and cooperating with the indexing roller, thereby greatly improving the flexibility of the device. By replacing different inverted support structures of the linear unit, different types of rotor bracket magnetic pole boxes can be pushed and placed. In addition, by replacing guide plate assemblies of different specifications, the device can also adapt to the full-pole push-and-place requirements of different types of magnetic pole boxes, thereby enhancing its adaptability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the drawings are only some embodiments of the present invention. For ordinary technicians in this field, other embodiments and their drawings can be obtained based on the embodiments shown in these drawings without paying creative work.

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention in an installed state.

[0028] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention in an installed state.

[0029] Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention in an installed state.

[0030] Figure 4 It is a three-dimensional structural schematic diagram of the present invention.

[0031] Figure 5 It is a three-dimensional structural schematic diagram of the present invention.

[0032] Figure 6 It is a schematic diagram of the three-dimensional structure of the guide plate assembly of the present invention.

[0033] Figure 7 It is a schematic diagram of the three-dimensional structure of the connecting bracket of the present invention.

[0034] Figure 8 It is a schematic diagram of the three-dimensional structure of the rotor support of the present invention.

[0035] Fig. 9 yes Figure 2 A local enlarged schematic diagram of point A.

[0036] Fig.10 yes Figure 3 A partial enlarged schematic diagram of point B.

[0037] Fig.11 yes Figure 7 A partial enlarged schematic diagram of point C.

[0038] Fig.12 yes Figure 8 A local enlarged schematic diagram of point D.

[0039] In the figure: 1. inverted support frame, 11. top plate, 12. column, 13. connecting plate, 131. connecting hole, 14. side bracket, 15. transfer roller, 16. vertical plate, 17. reinforcing rib A, 2. push block assembly, 21. connecting block, 22. adjustment pad, 23. push block, 3. guide plate assembly, 31. guide plate, 32. bottom plate, 321. mounting hole, 33. guide strip, 34. reinforcing rib B, 35. pressure plate, 4. linear unit, 41. mounting plate, 5. oblique support, 6. auxiliary support frame, 61. reinforcing rib C, 7. pressure strip. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions of various embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments described in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Embodiment 1:

[0041] like Figures 1 to 12 As shown, a device for pushing and releasing a rotor pole box of a wind turbine according to the present invention comprises a connecting bracket detachably arranged at the upper end of a rotor bracket, a driver is installed on the connecting bracket, a push block assembly 2 is arranged on the driver, a guide plate assembly 3 is detachably fixedly installed on the upper end of the rotor bracket below the push block assembly 2, a pressure strip 7 is detachably installed on the lower side of the guide plate assembly 3, the pressure strip 7 is detachably connected to the rotor bracket, the driver drives the push block assembly 2 to move downward, thereby pushing the pole box through the guide plate assembly 3, and pushing it into the rotor bracket along the pressure strip 7.

[0042] The connecting bracket includes an inverted support frame 1, and the inverted support frame 1 includes a top plate 11. The two ends of the lower side of the top plate 11 are fixedly connected with columns 12, and the lower ends of the columns 12 are fixedly provided with connecting plates 13, and the connecting plates 13 are detachably connected to the rotor bracket. A plurality of positioning holes are evenly arranged on the upper side of the rotor bracket, and a plurality of connecting holes 131 are correspondingly arranged on the connecting plate 13. The connecting holes 131 are aligned with the positioning holes and connected by bolts. A plurality of reinforcing ribs A17 are also arranged between the columns 12 and the connecting plates 13. The corresponding inverted support frame 1 is designed according to different end face sizes of the rotor bracket, so that different rotor bracket pole boxes can be pushed and placed.

[0043] Two side brackets 14 are fixedly provided at the outer end of the connecting plate 13. The two side brackets 14 are located at both sides of the rotor bracket. An indexing roller 15 is provided on the side of the side bracket 14 facing the rotor bracket to enable the device to move between adjacent magnetic poles.

[0044] The connecting bracket also includes an auxiliary support frame 6, the upper end of the auxiliary support frame 6 is fixedly connected to the middle part of the lower side of the top plate 11, the driver is installed on the auxiliary support frame 6, and a plurality of reinforcing ribs C61 are arranged between the auxiliary support frame 6 and the top plate 11. A vertical plate 16 is arranged on one side of the column 12, and an oblique support 5 is fixedly installed between the vertical plate 16 and the auxiliary support frame 6 by bolts. This structure prevents the linear unit 4 from warping outward during the pushing and placing process.

[0045] The guide plate assembly 3 includes a bottom plate 32 detachably mounted on the upper end of the rotor bracket, guide plates 31 are arranged at both ends of the side of the bottom plate 32, a slide groove is formed between the two guide plates 31, a guide bar 33 is arranged on the guide plate 31 outside the slide groove, the guide bar 33 is connected to the pressure bar 7 through a pressure plate 35, the pressure plate 35 is fork-shaped, shaped like a double-ended open-end wrench, and can realize quick disassembly and quick assembly between the guide plate assembly 3 and the pressure bar 7, the cross-section of the pressure bar 7 is "T"-shaped, and the two pressure bars 7 form a limiting groove with the rotor bracket, so that The limiting groove is adapted to the slide groove, and mounting holes 321 are provided at both ends of the base plate 32. The mounting holes 321 are aligned with the positioning holes and connected by bolts. The mounting holes 321 are waist-shaped countersunk holes. A reinforcing rib B34 is also provided between the base plate 32 and the guide plate 31. The guide plate assembly 3 is used to guide and limit the pole box so that the pole box is aligned with the pressure strip 7 on the rotor bracket to prevent the same-pole pole boxes from jumping out due to repulsion when they are close. The guide plate assembly 3 can be designed with corresponding slide grooves according to the appearance dimensions of different pole boxes to realize the full-pole assembly of different pole boxes.

[0046] The push block assembly 2 includes a connecting block 21 connected to the driver, a push block 23 is arranged on the connecting block 21, and an adjustment pad 22 is arranged between the push block 23 and the connecting block 21. A plurality of through holes are arranged on the connecting block 21, the push block 23 and the adjustment pad 22. The position of the push block 23 is adjusted by the cooperation between different through holes on the connecting block 21, the push block 23 and the adjustment pad 22. The lower end of the push block 23 facing the driver is provided with an inclined surface.

[0047] The driver comprises a linear unit 4 , a mounting plate 41 is arranged on the linear unit 4 , and the connecting block 21 is connected to the mounting plate 41 .

[0048] When in use, install the device, then place the pole box in the slide groove of the guide plate assembly 3, push the pole box downward through the push block assembly 2 on the linear unit 4, and push it into the rotor bracket along the guide strip 33 in the guide plate assembly 3 and the pressure strip 7. After pushing it into place, the linear unit 4 is reset, and the remaining pole boxes are pushed in. After the pushing and placing is completed, the fixed connection between the device and the rotor bracket is contacted, and the device is moved to the next pole through the indexing roller 15, and then fixed, and the above-mentioned pushing and placing is repeated again, and the pushing and placing work is carried out in sequence until the pushing and placing work of all the pole boxes is completed, and the device can be removed.

[0049] On the basis of the above embodiment, the guide plate assembly 3 can also be connected to the rotor bracket by using a snap or the like.

[0050] On the basis of the above-mentioned embodiment, the inverted support frame 1 can also be connected to the rotor support by using a snap or the like.

[0051] Based on the above embodiments, the driver may also be a hydraulic mechanism or a screw mechanism.

[0052] In other embodiments, by changing the supporting mode of the connecting bracket, it is also possible to apply the pole box to be pushed and placed horizontally.

[0053] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive from any point of view. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0054] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A device for pushing and releasing a magnetic pole box of a wind turbine rotor, characterized in that: The invention comprises a connecting bracket detachably arranged at the upper end of a rotor bracket, a driver is installed on the connecting bracket, a push block assembly (2) is arranged on the driver, a guide plate assembly (3) is detachably fixedly installed on the upper end of the rotor bracket below the push block assembly (2), a pressure strip (7) is detachably installed on the lower side of the guide plate assembly (3), and the pressure strip (7) is detachably connected to the rotor bracket, and the driver drives the push block assembly (2) to move downward, thereby pushing the pole box through the guide plate assembly (3), and pushing the rotor bracket along the pressure strip (7).

2. The device for pushing and releasing the magnetic pole box of the rotor of a wind turbine generator according to claim 1, characterized in that: The connecting bracket comprises an inverted support frame (1), the inverted support frame (1) comprises a top plate (11), both ends of the lower side of the top plate (11) are fixedly connected to upright posts (12), the lower ends of the upright posts (12) are fixedly provided with connecting plates (13), and the connecting plates (13) are detachably connected to the rotor bracket.

3. A device for pushing and releasing a magnetic pole box of a wind turbine rotor according to claim 2, characterized in that: Two side brackets (14) are fixedly arranged at the outer end of the connecting plate (13), the two side brackets (14) are located on both sides of the rotor bracket, and a transfer roller (15) is arranged on the side of the side bracket (14) facing the rotor bracket.

4. The device for pushing and releasing the magnetic pole box of the rotor of a wind turbine generator according to claim 2, characterized in that: The connecting bracket also includes an auxiliary support frame (6), the upper end of the auxiliary support frame (6) is fixedly connected to the middle part of the lower side of the top plate (11), and the driver is mounted on the auxiliary support frame (6).

5. The device for pushing and releasing the magnetic pole box of the rotor of a wind turbine generator according to claim 4, characterized in that: A vertical plate (16) is provided on one side of the vertical column (12), and an inclined support (5) is fixedly installed between the vertical plate (16) and the auxiliary support frame (6) by means of bolts.

6. The device for pushing and releasing the magnetic pole box of the rotor of a wind turbine generator according to claim 1, characterized in that: The guide plate assembly (3) comprises a base plate (32) detachably mounted on the upper end of the rotor bracket, guide plates (31) are arranged at both ends of the side of the base plate (32), a slide groove is formed between the two guide plates (31), a guide bar (33) is arranged on the guide plate (31) and located outside the slide groove, and the guide bar (33) is connected to the pressure bar (7) through a pressure plate (35).

7. The device for pushing and releasing the magnetic pole box of the rotor of a wind turbine generator according to claim 6, characterized in that: The cross section of the pressure strip (7) is in a "T" shape, and two pressure strips (7) and the rotor bracket form a limiting groove, and the limiting groove is adapted to the sliding groove.

8. The device for pushing and releasing the magnetic pole box of the rotor of a wind turbine generator according to claim 1, characterized in that: The push block assembly (2) comprises a connecting block (21) connected to the driver, a push block (23) is arranged on the connecting block (21), and an adjustment pad (22) is also arranged between the push block (23) and the connecting block (21).

9. The device for pushing and releasing the magnetic pole box of the rotor of a wind turbine generator according to claim 8, characterized in that: The lower end of the push block (23) facing the driver is provided with an inclined surface.

10. The device for pushing and releasing the magnetic pole box of the rotor of a wind turbine generator according to claim 8, characterized in that: The driver comprises a linear unit (4), a mounting plate (41) is provided on the linear unit (4), and the connecting block (21) is connected to the mounting plate (41).

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