Wind generating set stator support machining device

Abstract

The utility model discloses a wind generating set stator support machining device which comprises a machining table, a groove is axially formed in the center of the bottom face of the machining table, a driving piece is arranged in the groove, the bottom face of the driving piece is fixedly connected with a supporting block, three through grooves which are annularly distributed at equal intervals are formed in the outer side of the machining table in the radial direction, and all the through grooves are communicated with the groove. A plurality of through grooves are formed in the machining table, an L-shaped supporting rod is movably connected into each through groove, the three L-shaped supporting rods are all in transmission connection with the driving part, a clamping block with an arc-shaped face arranged on the inner side is fixed to the tail end of each L-shaped supporting rod, and a guide rod is horizontally fixed to the vertical end of each L-shaped supporting rod and movably connected with the machining table. The driving piece is arranged in the machining table, and the three L-shaped rods and the clamping blocks which are in transmission connection with the driving piece are movably connected to the outer portion of the machining table, so that the base support is automatically clamped and fixed when machined, the base support does not need to be manually fixed to the machining table through bolts and nuts, and the machining efficiency is improved. Therefore, the processing efficiency of the bracket is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a processing device for a stator bracket of a wind power generator set. Background Art

[0002] A wind turbine is a system that converts the kinetic energy of wind into electrical energy. A wind turbine includes a wind rotor and a generator. The wind rotor contains blades, a hub, and reinforcements. It has the functions of generating electricity by rotating the blades under wind power and rotating the generator head. A wind power source consists of a wind turbine, a tower supporting the turbine, a battery charge controller, an inverter, a load unloader, a grid-connected controller, and a battery pack.

[0003] Announcement No. CN208261911U discloses a stator bracket milling device for a 3MW permanent magnet wind turbine, including a base plate, a circle of circular inner support plates and a circle of circular outer support plates are vertically arranged on the upper surface of the base plate, the outer support plates are surrounded by the inner support plates, and the inner support plates are higher than the outer support plates, and a circle of circular upper support plates are also covered on the top of the outer support plates, the upper support plates are parallel to the base plate, and the inner ends are fixedly connected to the outer wall of the inner support plates; a step is formed inwardly at the top of the outer wall of the inner support plate, and a chamfer is arranged between the step and the upper surface of the inner support plate. The inner and outer support plates, the upper support plate and the base plate of the utility model form a "convex" shape, and combined with the structure at the top of the inner support plate, it can be matched with one end of the 3MW stator bracket with a conical surface, and when the other end needs to be processed, it can be turned over. When either end is at the bottom, drilling can be done from the bottom up, which is more convenient than drilling from a high place and has higher precision.

[0004] However, when clamping and fixing the stator bracket, the patent inserts four limit rods into the stator bracket and the device accordingly and locks the ends with bolts and nuts to fix the stator bracket on the device. Manual clamping is required, and after the processing is completed, each bolt and nut must be removed manually, which is quite troublesome. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a wind turbine generator stator bracket processing device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a wind turbine generator stator bracket processing device, comprising a processing table, the top surface of the processing table is lifted and connected to the conical table, the bottom surface of the processing table is axially provided with a groove in the center, a driving member is provided in the groove, the bottom surface of the driving member is fixedly connected to a support block, the support block is fixedly connected to the processing table by bolts, three equidistant annular through grooves are radially provided on the outer side of the processing table, each of the through grooves is connected to the groove, an L-shaped support rod is movably connected in each of the through grooves, the three L-shaped support rods are drivingly connected to the driving member, a clamping block with an arc surface on the inner side is fixed to the end of each of the L-shaped support rods, a guide rod is horizontally fixed to the vertical end of the L-shaped support rod, and the guide rod is movably connected to the processing table.

[0007] As a further description of the above technical solution: a receiving groove is axially arranged in the center of the top surface of the processing table, a lifting motor is vertically embedded in the receiving groove, the output end of the lifting motor is connected to the guide column, and the end of the guide column is fixed to the bottom surface of the conical table.

[0008] As a further description of the above technical solution: the driving member includes a rotating motor vertically fixed at the center of the top surface of the support block, the output end of the rotating motor is transmission-connected to the driving shaft, the end of the driving shaft is rotationally connected in the groove, the outer edge of the driving shaft is fixedly sleeved with a driving gear, the outer meshing transmission of the driving gear is three first driven gears distributed in an equidistant ring, the center of each of the first driven gears is fixedly sleeved with a driven shaft, the two ends of the driven shaft are respectively rotationally connected between the top surface of the support block and the top wall of the groove, and each of the first driven gears is transmission-connected to one of the L-shaped support rods.

[0009] As a further description of the above technical solution: a single tooth groove passes through the horizontal end of each L-shaped support block, and the single tooth groove is located in the through groove. A second driven gear is meshed in the single tooth groove, and the outer edge of each driven shaft is fixedly sleeved with one of the second driven gears, and the second driven gear is concentrically fixed on the top surface of the first driven gear, and the outer diameter of the first driven gear is larger than the outer diameter of the second driven gear.

[0010] As a further description of the above technical solution: a second sliding groove is horizontally opened on the inner walls on both sides of each through groove, a second sliding block is slidably connected in each of the second sliding grooves, and two second sliding blocks are fixed at the end of each L-shaped support rod.

[0011] As a further description of the above technical solution: three blind holes adapted to the guide rods are radially opened on the outer side of the processing table, and each of the blind holes is axially slidably connected to a guide rod, and each of the blind holes is axially opened with two radially symmetrical first sliding grooves, and a spring in a compressed state is horizontally fixed in each of the first sliding grooves, and the end of the spring is fixedly connected to a first slider, and the first slider is slidably connected in the first sliding groove and fixedly connected to the end of the guide rod.

[0012] The utility model has the following beneficial effects:

[0013] Compared with the prior art, the wind turbine stator bracket processing device realizes the function of automatic clamping and fixing of the base bracket during processing by arranging a driving member in the processing table and movably connecting three L-shaped rods and clamping blocks that are transmission-connected to the driving member on the outside of the processing table. There is no need to manually fix it on the processing table with bolts and nuts, thereby improving the processing efficiency of the bracket. The conical table is lifted and connected to the top surface of the processing table, so that when the conical end of the stator bracket is clamped, the conical block can adjust the distance between the conical table and the top surface of the processing table according to the depth of the conical end of the bracket, so that the end surface of the conical end of the bracket can be fitted on the top surface of the processing table, thereby ensuring the stability of the bracket during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front structural stereogram of a wind turbine generator stator bracket processing device proposed by the utility model;

[0015] Figure 2 This is a cross-sectional view of the overall structure of a wind turbine stator bracket processing device proposed by the utility model;

[0016] Figure 3 A wind turbine generator stator bracket processing device proposed by the utility model Figure 2 A magnified view of the structure at center A;

[0017] Figure 4 A wind turbine generator stator bracket processing device proposed by the utility model Figure 2 A magnified view of the structure at B in the middle;

[0018] Figure 5 This is a top view of the connection between a driving gear and a first driven gear of a wind generator stator bracket processing device proposed by the utility model.

[0019] Legend:

[0020] 1. Processing table; 2. L-shaped support rod; 3. Guide rod; 4. Clamp; 5. Conical table; 6. Storage groove; 7. Arc surface; 8. Lifting motor; 9. Guide column; 10. Blind hole; 11. Through groove; 12. Single tooth groove; 13. Groove; 14. Support block; 15. Rotating motor; 16. Driving shaft; 17. Driving gear; 18. First driven gear; 19. Second driven gear; 20. First slide groove; 21. First slider; 22. Spring; 23. Second slide groove; 24. Driven shaft; 25. Second slider. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figures 1 to 5 The utility model provides a wind turbine stator support processing device: it includes a processing table 1, the top surface of the processing table 1 is lifted and connected to a conical table 5, a receiving groove 6 is axially provided at the center of the top surface of the processing table 1, a lifting motor 8 is vertically embedded in the receiving groove 6, the output end of the lifting motor 8 is transmission-connected to a guide column 9, the end of the guide column 9 is fixed to the bottom surface of the conical table 5, a groove 13 is axially provided at the center of the bottom surface of the processing table 1, a driving member is provided in the groove 13, the bottom surface of the driving member is fixedly connected to a support block 14, the support block 14 is fixedly connected to the processing table 1 by bolts, three equidistant annular through grooves 11 are radially provided on the outer side of the processing table 1, each through groove 11 is connected to the groove 13, an L-shaped support rod 2 is movably connected in each through groove 11, a second slide groove 23 is horizontally provided on the inner walls on both sides of each through groove 11, and each first A second slider 25 is slidably connected in each of the two slide grooves 23, two second sliders 25 are fixed at the end of each L-shaped support rod 2, and the three L-shaped support rods 2 are all connected to the driving member in a transmission manner. A clamping block 4 with an arc surface 7 on the inner side is fixed at the end of each L-shaped support rod 2. A guide rod 3 is horizontally fixed to the vertical end of the L-shaped support rod 2, and the guide rod 3 is movably connected to the processing table 1. Three blind holes 10 adapted to the guide rod 3 are radially provided on the outer side of the processing table 1, and a guide rod 3 is axially slidably connected in each blind hole 10. Two radially symmetrical first slide grooves 20 are axially provided in each blind hole 10, and a spring 22 in a compressed state is horizontally fixed in each first slide groove 20, and the end of the spring 22 is fixedly connected to the first slider 21. The first slider 21 is slidably connected in the first slide groove 20 and is fixedly connected to the end of the guide rod 3.

[0023] The driving member includes a rotating motor 15 vertically fixed at the center of the top surface of the support block 14, the output end of the rotating motor 15 is connected to the driving shaft 16, the end of the driving shaft 16 is rotatably connected in the groove 13, the outer edge of the driving shaft 16 is fixedly sleeved with a driving gear 17, the outer meshing of the driving gear 17 is driven by three first driven gears 18 distributed in an equidistant ring, the center of each first driven gear 18 is fixedly sleeved with a driven shaft 24, and the two ends of the driven shaft 24 are respectively rotatably connected to the top surface of the support block 14 And between the top wall of the groove 13, each first driven gear 18 is transmission connected to an L-shaped support rod 2; the horizontal end of each L-shaped support block 14 passes through a single tooth groove 12, the single tooth groove 12 is located in the through groove 11, and a second driven gear 19 is meshed in the single tooth groove 12. The outer edge of each driven shaft 24 is fixedly sleeved with a second driven gear 19, and the second driven gear 19 is concentrically fixed on the top surface of the first driven gear 18, and the outer diameter of the first driven gear 18 is larger than the outer diameter of the second driven gear 19.

[0024] By arranging a driving member inside the processing table 1, and movably connecting three L-shaped rods and a clamping block 4 that are transmission-connected to the driving member outside the processing table 1, the automatic clamping and fixing function of the base bracket during processing is realized, and it is not necessary to manually fix it on the processing table 1 using bolts and nuts, thereby improving the processing efficiency of the bracket. The conical table 5 is lifted and connected to the top surface of the processing table 1, so that when the conical end of the stator bracket is clamped, the conical block can adjust the distance between the conical table 5 and the top surface of the processing table 1 according to the depth of the conical end of the bracket, so that the end surface of the conical end of the bracket can be attached to the top surface of the processing table 1, thereby ensuring the stability of the bracket during processing;

[0025] Working principle: When in use, when the end face of the bracket is fixed downward, it is placed on the top surface of the conical table 5, and then the conical table 5 descends so that the bottom surface of the bracket contacts the top surface of the processing table 1, and then stops, and then the rotating motor 15 drives the active column to rotate, the active shaft 16 drives the active gear 17 to rotate, and the active gear 17 will drive the three first driven gears 18 to rotate, and the first driven gear 18 drives the second driven gear 19 to rotate simultaneously through the driven shaft 24, and the three L-shaped support rods 2 are driven toward the center of the processing table 1 under the action of the single tooth groove 12 meshing with the second driven gear 19. The bracket is radially displaced, and the guide rod 3 is displaced into the blind hole 10 at the same time. The spring 22 in the compressed state will be properly reset, and the L-shaped support rod 2 drives the clamping block 4 to radially displace to the outside of the bracket. The arc surface 7 of the clamping block 4 clamps the outside of the bracket, and then the rotating motor 15 stops, and then the bracket can be processed; when clamping from the conical surface of the bracket, the conical surface of the bracket is stacked downward on the top surface of the conical table 5, and then the conical table 5 descends so that the bottom surface of the bracket contacts the top surface of the processing table 1, and then stops. Then the three L-shaped support rods 2 clamp the bracket and fix it, and then processing can be carried out.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wind turbine generator stator support processing device, comprising a processing table (1), characterized in that: The top surface of the processing table (1) is connected to the conical table (5) in a lifting manner. A groove (13) is provided in the central axial direction of the bottom surface of the processing table (1). A driving member is provided in the groove (13). The bottom surface of the driving member is fixedly connected to a support block (14). The support block (14) is fixedly connected to the processing table (1) by bolts. Three equidistant annular through grooves (11) are radially provided on the outer side of the processing table (1). Each of the through grooves (11) is connected to the groove (13). An L-shaped support rod (2) is movably connected in each of the through grooves (11). The three L-shaped support rods (2) are all drivingly connected to the driving member. A clamping block (4) with an arc surface (7) on the inner side is fixed to the end of each of the L-shaped support rods (2). A guide rod (3) is horizontally fixed to the vertical end of the L-shaped support rod (2). The guide rod (3) is movably connected to the processing table (1).

2. A wind turbine generator stator support processing device according to claim 1, characterized in that: A receiving groove (6) is provided in the central axial direction of the top surface of the processing table (1), and a lifting motor (8) is vertically embedded in the receiving groove (6). The output end of the lifting motor (8) is connected to a guide column (9) for transmission, and the end of the guide column (9) is fixed to the bottom surface of the conical table (5).

3. The wind turbine generator stator support processing device according to claim 1, characterized in that: The driving member comprises a rotating motor (15) vertically fixed at the center of the top surface of the support block (14); the output end of the rotating motor (15) is connected to a driving shaft (16); the end of the driving shaft (16) is rotatably connected in the groove (13); the outer edge of the driving shaft (16) is fixedly sleeved with a driving gear (17); the outer part of the driving gear (17) is meshed with and drives three first driven gears (18) distributed in an equidistant ring; the center of each of the first driven gears (18) is fixedly sleeved with a driven shaft (24); the two ends of the driven shaft (24) are respectively rotatably connected between the top surface of the support block (14) and the top wall of the groove (13); each of the first driven gears (18) is connected to one of the L-shaped support rods (2).

4. A wind turbine generator stator support processing device according to claim 3, characterized in that: A single tooth groove (12) passes through the horizontal end of each L-shaped support block (14), and the single tooth groove (12) is located in the through groove (11). A second driven gear (19) is meshed in the single tooth groove (12), and the outer edge of each driven shaft (24) is fixedly sleeved with a second driven gear (19), and the second driven gear (19) is concentrically fixed on the top surface of the first driven gear (18), and the outer diameter of the first driven gear (18) is larger than the outer diameter of the second driven gear (19).

5. The wind turbine generator stator support processing device according to claim 3, characterized in that: A second sliding groove (23) is horizontally formed on the inner walls on both sides of each through groove (11), a second sliding block (25) is slidably connected in each of the second sliding grooves (23), and two second sliding blocks (25) are fixed at the end of each L-shaped support rod (2).

6. A wind turbine generator stator support processing device according to claim 1, characterized in that: Three blind holes (10) adapted to the guide rods (3) are radially provided on the outer side of the processing table (1); each of the blind holes (10) is axially slidably connected to one of the guide rods (3); each of the blind holes (10) is axially provided with two radially symmetrical first slide grooves (20); each of the first slide grooves (20) is horizontally fixed with a spring (22) in a compressed state; the end of the spring (22) is fixedly connected to a first slider (21); the first slider (21) is slidably connected in the first slide groove (20) and is fixedly connected to the end of the guide rod (3).

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