CN110449602B

CN110449602B - Special lathe for rotating shaft of wind driven generator

Info

Publication number: CN110449602B
Application number: CN201910797966.5A
Authority: CN
Inventors: 葛贵文
Original assignee: Wuxi Shunbang Machinery Co ltd
Current assignee: Wuxi Shunbang Machinery Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2024-06-14
Anticipated expiration: 2039-08-27
Also published as: CN110449602A

Abstract

The invention discloses a special lathe for a rotating shaft of a wind driven generator, which belongs to the field of rotating shaft processing equipment, and the technical scheme is characterized by comprising a base, wherein a tail box and a head box are arranged on the base, a turntable is rotationally connected on the head box, one surface of the turntable, which is far away from the head box, is provided with a plurality of mounting seats, clamping blocks are slidingly connected in the mounting, a mounting groove is formed in the side surface of the turntable, a balancing weight is slidingly connected in the mounting groove, a locking structure for preventing the balancing weight is arranged in the balancing weight, and the locking structure comprises a plurality of abutting columns which are telescopically connected in the balancing weight; one surface of the trunk is rotationally connected with a plug; the invention has the advantages that the shaking of the barrel during rotation is reduced, and the turning quality of a rotating shaft part is improved.

Description

Special lathe for rotating shaft of wind driven generator

Technical Field

The invention relates to rotating shaft processing equipment, in particular to a special lathe for a rotating shaft of a wind driven generator.

Background

The rotating shaft of the wind driven generator is an important moving part in the wind driven generator, an impeller is generally arranged at one end of the rotating shaft, a rotor is arranged in the rotating shaft, the impeller receives wind power to rotate, and power is transmitted to the rotating shaft, so that the rotor is driven to rotate. The processing of the rotating shaft is generally to mold the rotating shaft in a casting mode, and then the rotating shaft is processed in a turning mode.

The Chinese patent with the publication number of CN102097897B discloses a machine manufacturing method of a rotor shaft of a heavy-duty nuclear power generator, which comprises a heavy-duty horizontal machine tool, wherein the heavy-duty horizontal machine tool comprises a headstock box, a riding wheel, a lathe bed, a center frame, a lathe rest and a tailstock, a three-jaw chuck is arranged at one end of the headstock box, a center plug (choke plug) is arranged at one end of the tailstock, the three-jaw chuck clamps one end of a rotating shaft when a cylindrical rotating shaft is processed, the riding wheel carries out auxiliary support on the middle part of the rotating shaft, and the center plug is propped against one end of the rotating shaft to finish the fixation of the rotating shaft.

The existing rotating shaft component 1 for the wind driven generator shown in fig. 1 comprises a cylinder 11, wherein the cylinder 11 is in a truncated cone shape, a plurality of grooves are formed in the outer wall of the cylinder 11, an annular flange 111 is arranged on the inner wall of the cylinder 11, a step surface 112 (combined with fig. 2) is arranged on the flange 111, and a disc 12 is welded and fixed on the outer wall of the cylinder 11.

The existing lathe is used for carrying out surface machining on the rotating shaft component, because the rotating shaft component is a special-shaped piece, firstly, a worker needs to refit the lathe and dismount the riding wheel, because the outer wall of the cylinder body is not a smooth cambered surface, the cylinder body cannot be supported by the riding wheel, then the worker reversely installs the claw of the three-claw chuck, the worker inserts one small-size end of the cylinder body into the center plug, fixes one small-size end on the three-claw chuck, and the claw expands outwards to abut against the inner wall of the cylinder body, so that the fixation of the cylinder body is completed. However, in the actual process of turning the cylinder, because the middle part of the cylinder lacks support, and because the casting of the cylinder cannot achieve absolute uniformity of mass distribution, the cylinder rotates to shake, and the turning quality of the rotating shaft part is affected.

Disclosure of Invention

The invention aims to provide a special lathe for a rotating shaft of a wind driven generator, which has the advantages of reducing shaking when a cylinder rotates and improving turning quality of a rotating shaft part.

The technical aim of the invention is realized by the following technical scheme:

The special lathe for the rotating shaft of the wind driven generator comprises a base, wherein a movable tail box and a headstock box are arranged on the base, a turntable is rotationally connected to the headstock box, a plurality of mounting seats are arranged on one surface, far away from the headstock box, of the turntable, clamping blocks are slidably connected in the mounting process, an annular mounting groove is formed in the side surface of the turntable, a balancing weight is slidably connected in the mounting groove, a locking structure for preventing the balancing weight is arranged in the balancing weight, and the locking structure comprises a plurality of propping columns which are telescopically connected in the balancing weight;

One surface of the trunk is rotationally connected with a plug;

the automobile tail box and the automobile head box are connected with each other through a rotary shaft part, a cylinder core supporting shaft is arranged between the automobile tail box and the automobile head box and used for supporting the inside of the rotary shaft part, the cylinder core supporting shaft comprises a first connecting column fixed on a plug, a second connecting column used for supporting the inner wall of the cylinder body and a third connecting column fixed on a rotary table, and the first connecting column, the second connecting column and the third connecting column are sequentially connected and fixed.

The novel car tail box is characterized in that a first bearing platform is arranged on the base, a sliding groove arranged along the length direction is formed in the first bearing platform, a sliding block which is used for being connected with the sliding groove in a sliding mode is arranged at the bottom of the car tail box, a first rack is arranged in the sliding groove, a first gear is connected in a rotating mode in the sliding block, and the first gear is meshed with the first rack.

Through adopting above-mentioned technical scheme, when turning pivot part, the staff is at first installed the third spliced pole of section of thick bamboo core back shaft on the carousel, afterwards the staff uses the driving in workshop to establish the barrel cover of pivot part on section of thick bamboo core back shaft, afterwards the trunk passes through the tip of the fixed first spliced pole of chock plug, make section of thick bamboo core back shaft support to the barrel of pivot part from inside, thereby further increase the stability of supporting the barrel, the rocking when reducing the barrel rotation, then the lathe carries out slow test run, the carousel rotates and drives pivot part and rotate, the rotation condition of pivot part is observed to the staff, according to the condition of rotation condition, the position of balancing weight is adjusted to the staff, make the local mass distribution of carousel avoid the barrel to rock, improve the turning quality of pivot part.

Further, the first flange plate is welded on the first connecting column, the first flange plate is located at one end, close to the second connecting column, of the first connecting column, the outer edge of the first flange plate is in a step shape, the first flange plate abuts against the flanging, and the first flange plate is connected with the flanging through bolts.

Through adopting above-mentioned technical scheme, first ring flange is the step form, in order to increase the area of contact between the two, reduces the pressure on the unit face, is favorable to reducing the load of ring flange and turn-ups.

Further, the jack for plugging the plug is formed in the first connecting column, the fixing key is plugged on the side face of the first connecting column, and the fixing key fixes the first connecting column and the plug.

Through adopting above-mentioned technical scheme, the fixed key passes first connecting column and chock plug, firmly links together first connecting column and chock plug.

Further, a plurality of supporting plates for supporting the inner wall of the cylinder body are further arranged on the surface of the second connecting column, and the supporting plates are uniformly arranged along the circumferential direction of the second connecting column.

Through adopting above-mentioned technical scheme, the second spliced pole is contradicted the barrel inner wall through a plurality of backup pads, carries out comprehensive support to the inside of barrel to increase the stability of barrel.

Further, open on the surface of second spliced pole has the holding tank that is used for holding the backup pad, the top of holding tank is provided with a pair of baffle, and the baffle is arranged along the length direction of holding tank, the transversal of backup pad personally submits "protruding" shape, and when the backup pad stretches out extreme position from the holding tank, the bottom plate of backup pad offsets with the baffle, is provided with a plurality of pressure springs between the bottom surface of backup pad and the bottom surface of holding tank, and the pressure spring evenly arranges along the length direction of holding tank.

By adopting the technical scheme, the pressure spring is in a compression state, namely the pressure spring has a rebound movement trend, so that the supporting plate moves outwards, the pressure of the supporting plate on the inner wall of the cylinder body is increased, the static friction resistance between the supporting plate and the cylinder body is further increased, and the slipping of the supporting plate on the inner wall of the cylinder body is reduced; when the supporting plate stretches out of the limit position, the baffle blocks the supporting plate and prevents the supporting plate from separating from the accommodating groove.

Further, the third flange plate is welded on the third connecting column, the third flange plate is located at one end, close to the second connecting column, of the third connecting column, and when the cylinder core supporting shaft supports the cylinder body of the rotating shaft component, the third flange plate is fixed on an opening with a larger size of the cylinder body through bolts.

Through adopting above-mentioned technical scheme, the third ring flange passes through the bolt fastening on the opening of barrel, with the more firm connection of section of thick bamboo core back shaft and pivot part together.

Further, the inside rotation of balancing weight is connected with a plurality of round bars, and the bottom fixedly connected with disc of round bar, disc and round bar mutually perpendicular are carved with the plane screw thread on the one side of disc towards the round bar, the one side of support tight post towards the disc is provided with the third rack, third rack and plane screw thread meshing.

By adopting the technical scheme, the round rod rotates to drive the disc to rotate, and the third rack is meshed with the plane threads of the disc, so that the disc rotates to drive the abutting column to move.

Further, each disc is movably connected with a pair of abutting columns, the two abutting columns are symmetrically arranged relative to the center of the disc, and the abutting columns are perpendicular to the plane of the balancing weight.

By adopting the technical scheme, when the position of the balancing weight is fixed, the two propping posts extend out of the surface of the balancing weight to prop against the inner wall of the mounting groove, so that the balancing weight is prevented from moving; when adjusting the balancing weight position, two support tight posts retract into the balancing weight to remove the fixed of balancing weight.

Further, a hexagonal clamping groove is formed in the top of the round rod.

Through adopting above-mentioned technical scheme, when rotating the round bar, the staff inserts hexagonal socket wrench into hexagonal draw-in groove, and then the staff rotates hexagonal socket wrench and drives the round bar and rotate.

Further, vertically set up a plurality of spliced poles on the carousel, the spliced pole is evenly arranged along the circumferencial direction, when the fixed third spliced pole of carousel, the outer wall and the spliced pole of third spliced pole offset, fixedly connected with a plurality of mount pad on the carousel, the mount pad is evenly arranged along the circumferencial direction, and the mount pad is located the spliced pole outside, and the inside rotation of mount pad is connected with the screw thread post, and sliding connection has the clamp splice that is used for centre gripping third spliced pole on the mount pad, and the bottom of clamp splice is provided with the second rack, second rack and screw thread post meshing.

Through adopting above-mentioned technical scheme, the outer wall and the spliced pole of third spliced pole offset, and the spliced pole is tentatively fixed with the third spliced pole, later the staff rotates the screw thread post, because screw thread post and second rack meshing, screw thread post rotation drive clamp splice towards the third spliced pole motion, and the clamp splice presss from both sides tight third spliced pole with the contact of third spliced pole at last.

In summary, the invention has the following beneficial effects:

1. the cylinder core supporting shaft is used for comprehensively supporting the cylinder body of the rotating shaft part from the inside, and meanwhile, a worker can adjust the balancing weight, so that the local mass distribution of the turntable is realized, the cylinder body is prevented from shaking, and the turning quality of the rotating shaft part is improved;

2. The compression spring has a rebound movement trend, so that the support plate moves outwards, the pressure of the support plate on the inner wall of the cylinder body is increased, the static friction resistance between the support plate and the cylinder body is further increased, and the slip of the support plate on the inner wall of the cylinder body is reduced.

Drawings

FIG. 1 is a schematic structural view of a spindle unit;

FIG. 2 is a schematic view of the structure of the spindle assembly for embodying the interior of the barrel;

FIG. 3 is a schematic view of the structure of a special lathe for the rotor shaft of a wind turbine when the rotor shaft component is loaded;

FIG. 4 is a schematic diagram of a special lathe for a rotating shaft of a wind driven generator;

FIG. 5 is a schematic cross-sectional view of a special lathe for loading a spindle unit for a spindle of a wind turbine;

FIG. 6 is a schematic structural view of the mount;

FIG. 7 is a schematic view of a partial enlarged structure at A in FIG. 5;

FIG. 8 is a schematic cross-sectional view of a second connecting post;

fig. 9 is a schematic cross-sectional structure of the turning device.

In the figure, 1, a rotating shaft component; 11. a cylinder; 111. flanging; 112. a step surface; 2. a base; 21. a first bearing platform; 211. a chute; 212. a first rack; 22. the second bearing platform; 23. a waste tank; 3. a trunk; 31. a slide block; 32. a first motor; 321. a gearbox; 322. a transmission shaft; 323. a first gear; 33. a plug head; 4. a headstock box; 41. a turntable; 42. a clamping column; 43. a mounting base; 431. a threaded rod; 432. clamping blocks; 433. a second rack; 44. a mounting groove; 45. balancing weight; 451. a round bar; 4511. a hexagonal clamping groove; 452. a disc; 4521. a planar thread; 453. abutting the column; 4531. a third rack; 5. a cylinder core supporting shaft; 51. a first connection post; 511. a jack; 512. a fixed key; 513. a first flange; 514. a key slot; 52. a second connection post; 521. a support plate; 522. a receiving groove; 523. an elastic member; 53. a third connecting column; 531. a second flange; 6. a turning device; 61. a frame; 611. a fourth rack; 62. a guide rail; 63. a tool apron; 64. a second motor; 641. a telescopic column; 642. turning tools; 643. a screw rod; 65. a second gear; 66. and a third motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples: the utility model provides a special lathe of aerogenerator pivot, combines the fig. 3 and the fig. 5 to show, includes base 2, is provided with first cushion cap 21 and second cushion cap 22 on the base 2, installs trunk 3 on the first cushion cap 21, installs headstock case 4 on the second cushion cap 22, and trunk 3 rotates on the one side towards headstock case 4 to be connected with plug 33, and headstock case 4 rotates on the one side towards trunk 3 to be connected with carousel 41, and plug 33 and carousel 41's center pin coincidence. A cartridge supporting shaft 5 for fixing the rotary shaft part 1 is provided between the plug 33 and the rotary table 41. A turning device 6 is arranged beside the base 2. When a worker, the worker sets and fixes the rotating shaft part 1 on the cylinder core supporting shaft 5, then the plug 33 and the rotary table 41 synchronously rotate, so that the rotating shaft part 1 is driven to rotate, and then the turning device 6 starts turning the surface of the rotating shaft part 1.

As shown in fig. 4, a waste tank 23 is opened on the base 2, the waste tank 23 is located in the middle of the base 2, and the rotating shaft component 1 is above the waste tank 23. When working, firstly, a worker puts a waste basket in the waste tank 23, waste generated by cutting the rotating shaft component 1 falls into the waste basket, and after turning is finished, the worker takes out the waste basket.

As shown in fig. 4, the top surface of the first support 21 is provided with a slide groove 211, and the slide groove 211 is arranged along the length direction of the first support 21. A sliding block 31 is arranged at the bottom of the trunk 3, and the sliding block 31 is in sliding fit with the sliding groove 211. In the working process, firstly, a worker determines the distance between the headstock 4 and the tailstock 3 according to the size of the rotating shaft part 1 to be processed, and then controls the tailstock 3 to slide in the sliding groove 211 to adjust the distance between the headstock 4 and the tailstock 3.

As shown in fig. 4, a first rack 212 is welded and fixed to the bottom surface of the chute 211, and the first rack 212 is disposed along the length direction of the chute 211.

As shown in fig. 4 and 5, the first motor 32 is mounted on the outer side surface of the trunk 3, and the first motor 32 is horizontally disposed. The gearbox 321 is installed to the output of first motor 32, rotates on the gearbox 321 to be connected with transmission shaft 322, and transmission shaft 322 stretches into in the trunk 3, and transmission shaft 322 and the lateral surface mutually perpendicular of trunk 3. One end of the transmission shaft 322 extending into the trunk 3 is fixedly connected with a first gear 323, and the first gear 323 is meshed with the first rack 212. In operation, the first motor 32 is started to drive the first gear 323 to rotate, so that the first gear 323 moves on the first rack 212 to drive the trunk 3 to move in the sliding groove 211.

As shown in connection with fig. 4 and 5, the headstock 4 is located on the top surface of the second platform 22. A plurality of clamping columns 42 are welded and fixed on the turntable 41 of the headstock 4, and the clamping columns 42 are positioned on one surface of the turntable 41 facing the tailstock 3 and are mutually perpendicular. The clamping posts 42 are uniformly circumferentially arranged about the center of the turntable 41. During operation, the side surface of the clamping column 42 abuts against the outer side surface of the cylinder core supporting shaft 5, and the clamping column 42 clamps and fixes one end of the cylinder core supporting shaft 5.

Referring to fig. 4 and 6, a plurality of mounting seats 43 are fixedly connected to one surface of the turntable 41 facing the trunk 3 through bolts, the mounting seats 43 are uniformly circumferentially arranged with the center of the turntable 41 as the center, and the mounting seats 43 are located on the outer sides of the clamping columns 42.

As shown in fig. 4 and 6, a threaded rod 431 is rotatably connected to the mount 43, and a center axis of the threaded rod 431 is disposed along a radial direction of the turntable 41. One end of the threaded rod 431 protrudes outward from one end face of the mount 43. During operation, a worker uses an electric wrench to fixedly connect with one end of the threaded rod 431 extending out of the mounting seat 43, and then starts the electric wrench to drive the threaded rod 431 to rotate.

As shown in fig. 4 and 6, the mounting seat 43 is slidably connected with a clamping block 432 for clamping and fixing the cylinder core supporting shaft 5, one surface of the clamping block 432 facing the center of the turntable 41 is arc-shaped, the bottom surface of the clamping block 432 is fixedly connected with a second rack 433, and the second rack 433 is in threaded fit with the threaded rod 431. The threaded rod 431 rotates to drive the clamping block 432 to move along the radial direction of the turntable 41.

As shown in fig. 4 and 5, a plurality of annular mounting grooves 44 are formed in the outer side surface of the turntable 41, and the mounting grooves 44 are uniformly distributed in the thickness direction of the turntable 41. The mounting groove 44 is slidably connected with a balancing weight 45, and the balancing weight 45 is arranged in an arch shape. Since it is impossible to ensure uniform mass percentage distribution of the rotating shaft part 1 during casting, and uneven mass distribution may cause shaking when the rotating shaft part 1 rotates, that is, the turntable 41 for fixing the rotating shaft part 1 may also shake, a worker adjusts the position of the balancing weight 45 in the mounting groove 44, and changes mass distribution of the turntable 41, thereby reducing shaking when the turntable 41 rotates.

As shown in fig. 7, the inside of the balancing weight 45 is rotatably connected with a plurality of round bars 451, and a hexagonal clamping groove 4511 is formed on the end surface of the top end of each round bar 451. The worker uses a hexagonal wrench to extend into the hexagonal clamping groove 4511, and rotates the hexagonal wrench to drive the round bar 451 to rotate.

As shown in fig. 7, a disc 452 is welded and fixed at the bottom end of the round rod 451, the disc 452 is perpendicular to each other, and the diameter of the disc 452 is smaller than the thickness of the balancing weight 45. The top surface of the disk 452 is threaded with planar threads 4521.

As shown in fig. 7, a pair of tightening posts 453 are movably connected to the disc 452, the tightening posts 453 are symmetrically arranged with respect to the round rod 451, the tightening posts 453 are perpendicular to the round rod 451, and a through hole for accommodating the tightening posts 453 is formed in the balancing weight 45.

As shown in fig. 7, a third rack 4531 is welded and fixed to the bottom of the abutment 453, and the third rack 4531 is screw-engaged with the disk 452. When the position of the balancing weight 45 is adjusted, a worker rotates the round rod 451, the round disc 452 and the round rod 451 synchronously rotate to drive the two abutting columns 453 to move in opposite directions, the abutting columns 453 retract into the balancing weight 45, and then the worker adjusts the position of the matching block; when the balancing weight 45 is fixed, the worker reversely rotates the round rod 451, the disc 452 and the round rod 451 synchronously rotate, the two abutting columns 453 are driven to do separation movement, the two abutting columns 453 extend out of the left face and the right face of the balancing weight 45 respectively, then the bottoms of the abutting columns 453 abut against the inner side face of the mounting groove 44, and accordingly the abutting columns 453 play a role in preventing the balancing weight 45 from moving.

As shown in fig. 4, the core supporting shaft 5 includes a first connecting column 51, a second connecting column 52 and a third connecting column 53, which are connected in sequence and fixed by welding, and are coaxially disposed.

As shown in fig. 4 and 5, the first connecting column 51 is cylindrical, the end surface of the first connecting column 51 is provided with a jack 511, the jack 511 is located on the central axis of the first connecting column 51, the jack 511 and the plug 33 have the same shape, and the jack 511 and the plug 33 are in plug-in fit when the cylinder core supporting shaft 5 is fixed.

As shown in fig. 4 and 5, the first connecting post 51 is provided with a key groove 514 on a side surface thereof, and the key groove 514 communicates with the insertion hole 511. The key groove 514 is inserted with a fixing key 512, the fixing key 512 is inserted into the first connecting column 51 through the key groove 514, a groove for accommodating the fixing key 512 is formed in the side surface of the plug head 33, and the first connecting column 51 and the plug head 33 are fixedly connected through the fixing key 512.

As shown in fig. 4 and 5, a circular first flange 513 is welded and fixed on the first connecting post 51, and the first flange 513 is located at the connection position of the second connecting post 52 of the first connecting post 51. The first flange 513 is fixedly connected to the flange 111 of the cylinder 11 by bolts.

As shown in fig. 5, the surface of the first flange 513 facing the end surface of the first connecting post 51 is stepped, and the surface of the first flange 513 is shaped so as to be more compatible with the stepped surface 112 of the flange 111 (see fig. 2).

As shown in fig. 5, the diameter of the second connection post 52 is smaller than that of the first connection post 51, and the length of the second connection post 52 is the same as that of the cylinder 11. The outer side surface of the second connecting post 52 is provided with a plurality of accommodating grooves 522, the accommodating grooves 522 are uniformly arranged along the circumferential direction of the second connecting post 52, the depth direction of the accommodating grooves 522 is arranged along the radial direction of the second connecting post 52, and the length direction of the accommodating grooves 522 is arranged along the bus direction of the second connecting post 52.

As shown in fig. 5 and 8, a pair of baffles are welded and fixed to the notch of the receiving groove 522, and the baffles are rectangular and are arranged along the length direction of the receiving groove 522.

As shown in fig. 5 and 8, a support plate 521 for supporting the inner wall of the cylinder 11 is movably connected to the receiving groove 522, and the cross section of the support plate 521 is in a "convex" shape. A plurality of compression springs are arranged between the supporting plate 521 and the accommodating groove 522, one end of each compression spring is fixed on the bottom surface of the supporting plate 521, the other end of each compression spring is fixed on the bottom surface of the accommodating groove 522, and the compression springs are perpendicular to the bottom surface of the accommodating groove 522. All the compression springs are uniformly distributed along the length direction of the support plate 521. When the device works, the pressure spring is in a compression state, namely, the pressure spring has a rebound movement tendency, and drives the support plate 521 to move outwards, so that the support plate 521 tightly abuts against the inner wall of the cylinder 11, when the support plate 521 moves to a limit position, the support plate 521 contacts with the baffle, and the baffle stops the support plate 521 from continuing to move outwards, so that the support plate 521 is prevented from being separated from the accommodating groove 522.

As shown in fig. 5, the diameter of the third connecting post 53 is larger than the diameter of the second connecting post 52, and a second flange 531 is welded and fixed to the side surface of the third connecting post 53, and the second flange 531 is located at a position where the third connecting post 53 and the second connecting post 52 meet. The second flange 531 is fixedly connected with the larger opening of the cylinder 11 through bolts.

As shown in fig. 5, the end of the third connection post 53 is clamped between the clamping posts 42 of the turntable 41 (refer to fig. 4), and at the same time, the clamping blocks 432 of the mounting seat 43 are in contact with the outer surface of the third connection post 53, so that the clamping blocks 432 clamp and fix the third connection post 53.

As shown in connection with fig. 3 and 9, the turning device 6 comprises a frame 61, the frame 61 being fixed to the floor of the workshop, the frame 61 being located on one side of the base 2.

As shown in fig. 3 and 9, a guide rail 62 is provided on the frame 61, the guide rail 62 is provided along the length direction of the frame 61, and a tool holder 63 is slidably connected to the guide rail 62.

As shown in fig. 3 and 9, a fourth rack 611 is welded and fixed to the frame 61, and the fourth rack 611 is disposed along the length direction of the frame 61. A second gear 65 engaged with the fourth rack 611 is rotatably connected to the bottom of the tool holder 63, and a third motor 66 for rotating the second gear 65 is installed on the side surface of the tool holder 63. During turning, the third motor 66 drives the second gear 65 to rotate, so as to drive the second gear 65 to move on the fourth rack 611, i.e. the tool holder 63 moves on the guide rail 62.

As shown in fig. 3 and 9, the top surface of the tool holder 63 is slidably connected with a telescopic column 641, and the telescopic column 641 is perpendicular to the longitudinal direction of the frame 61, and a turning tool 642 for turning the surface of the spindle unit 1 is mounted to one end of the telescopic column 641 facing the base 2.

As shown in fig. 3 and 9, the second motor 64 is mounted on the tool holder 63.

As shown in fig. 3 and 9, the screw rod 643 is rotatably connected to the tool holder 63, the screw rod 643 is horizontally arranged, the screw rod 643 is located below the second motor 64, and one end of the screw rod 643 away from the base 2 extends out of the tool holder 63.

As shown in fig. 9, the output shaft end of the second motor 64 is connected to an end of the screw 643 remote from the base 2 by a belt, and the second motor 64 supplies power required for rotation of the screw 643.

As shown in fig. 9, telescoping column 641 is positioned above lead screw 643, and telescoping column 641 and lead screw 643 are parallel to each other, with the bottom surface of telescoping column 641 being provided with teeth that engage lead screw 643. During operation, screw 643 rotates to drive telescoping column 641 into telescoping motion.

The specific implementation process comprises the following steps: during working, firstly, a worker installs the rotary shaft part 1 to be turned on the cylinder core supporting shaft 5 in a sleeved mode, then uses a travelling crane to install the cylinder core supporting shaft 5 on the base 2, firstly inserts the third connecting column 53 between the clamping columns 42 in the process of installing the cylinder core supporting shaft 5, then drives the clamping blocks 432 to clamp and fix the surface of the third connecting column 53, then moves the trunk 3 towards the trunk 4, so that the plug 33 is inserted into the insertion hole 511 of the first connecting column 51, and then inserts the fixing key 512 in the key groove 514 to fix the plug 33 and the first connecting column 51.

After the fixation of the cylinder core supporting shaft 5 is completed, the lathe performs test running at a low speed, a worker observes the shaking condition of the cylinder core supporting shaft 5, then stops the equipment, correspondingly adjusts the position of the balancing weight 45 according to the test running condition, and then performs test running again until the cylinder core supporting shaft 5 does not shake.

After the test run, the lathe is normally started to drive the rotating shaft component 1 to rotate, then the tool apron 63 moves to a machining position along the guide rail 62, the second motor 64 starts the telescopic column 641 to extend towards the rotating shaft component 1, and the turning tool 642 contacts with the rotating shaft component 1 to perform turning work.

The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims

1. The utility model provides a special lathe of aerogenerator pivot, includes base (2), install mobilizable trunk (3) and headstock (4) on base (2), its characterized in that:

The headstock (4) is rotationally connected with a turntable (41), one surface of the turntable (41) far away from the headstock (4) is provided with a plurality of mounting seats (43), clamping blocks (432) are connected in the mounting seats (43) in a sliding way,

The side of the turntable (41) is provided with an annular mounting groove (44), the mounting groove (44) is connected with a balancing weight (45) in a sliding manner, a locking structure for preventing the balancing weight (45) is arranged inside the balancing weight (45), and the locking structure comprises a plurality of abutting columns (453) which are connected in the balancing weight (45) in a telescopic manner; the inside of balancing weight (45) rotates and is connected with a plurality of round bars (451), the bottom of round bar (451) is fixedly connected with a disc (452), disc (452) and round bar (451) are mutually perpendicular, plane screw threads (4521) are carved on one surface of disc (452) facing round bar (451), a third rack (4531) is arranged on one surface of abutting column (453) facing disc (452), and third rack (4531) is meshed with plane screw threads (4521); each disc (452) is movably connected with a pair of abutting columns (453), the two abutting columns (453) are symmetrically arranged about the center of the disc (452), and the abutting columns (453) are perpendicular to the plane of the balancing weight (45); a hexagonal clamping groove (4511) is formed in the top of the round rod (451);

one surface of the trunk (3) is rotatably connected with a plug (33);

A cylinder core supporting shaft (5) for supporting from the inside of the rotating shaft component (1) is arranged between the trunk (3) and the headstock (4), the cylinder core supporting shaft (5) comprises a first connecting column (51) fixed on the plug (33), a second connecting column (52) for supporting the inner wall of the cylinder body (11) and a third connecting column (53) fixed on the turntable (41), and the first connecting column (51), the second connecting column (52) and the third connecting column (53) are sequentially connected and fixed;

Be provided with first cushion cap (21) on base (2), open on first cushion cap (21) have spout (211) of arranging along length direction, the bottom of trunk (3) sets up slider (31) that are used for with spout (211) sliding connection, set up first rack (212) in spout (211), the rotation of slider (31) is connected with first gear (323), first gear (323) and first rack (212) meshing.

2. The special lathe for the rotating shaft of the wind driven generator according to claim 1, wherein the special lathe is characterized in that: the first flange (513) is welded on the first connecting column (51), the first flange (513) is located at one end, close to the second connecting column (52), of the first connecting column (51), the outer edge of the first flange (513) is in a step shape, the first flange (513) abuts against the flange (111), and the first flange (513) is connected with the flange (111) through bolts.

3. The special lathe for the rotating shaft of the wind driven generator according to claim 2, wherein the special lathe is characterized in that: the inside of first spliced pole (51) is opened has jack (511) that are used for supplying plug (33) grafting, the side of first spliced pole (51) is pegged graft and is had fixed key (512), fixed key (512) are fixed first spliced pole (51) and plug (33).

4. The special lathe for the rotating shaft of the wind driven generator according to claim 1, wherein the special lathe is characterized in that: the surface of the second connecting column (52) is also provided with a plurality of support plates (521) for supporting the inner wall of the cylinder (11), and the support plates (521) are uniformly arranged along the circumferential direction of the second connecting column (52).

5. The special lathe for the rotating shaft of the wind driven generator according to claim 4, wherein the special lathe is characterized in that: the surface of the second connecting column (52) is provided with a containing groove (522) for containing the supporting plate (521), the top of the containing groove (522) is provided with a pair of baffles, the baffles are arranged along the length direction of the containing groove (522), the cross section of the supporting plate (521) is in a convex shape, when the supporting plate (521) stretches out of the containing groove (522) to a limit position, the bottom plate of the supporting plate (521) is propped against the baffles, a plurality of pressure springs are arranged between the bottom surface of the supporting plate (521) and the bottom surface of the containing groove (522), and the pressure springs are uniformly arranged along the length direction of the containing groove (522).

6. The special lathe for the rotating shaft of the wind driven generator according to claim 1, wherein the special lathe is characterized in that: and a third flange is welded on the third connecting column (53), the third flange is positioned at one end of the third connecting column (53) close to the second connecting column (52), and when the cylinder core supporting shaft (5) supports the cylinder body (11) of the rotating shaft component (1), the third flange is fixed on an opening with a larger size of the cylinder body (11) through bolts.

7. The special lathe for the rotating shaft of the wind driven generator according to claim 1, wherein the special lathe is characterized in that: the utility model discloses a rotary table, including carousel (41) and rotary table, a plurality of spliced poles (42) are vertically set up on carousel (41), and spliced pole (42) are evenly arranged along the circumferencial direction, when carousel (41) fixed third spliced pole (53), the outer wall of third spliced pole (53) offsets with spliced pole (42), fixedly connected with a plurality of mount pad (43) on carousel (41), mount pad (43) are evenly arranged along the circumferencial direction, mount pad (43) are located spliced pole (42) outside, the inside rotation of mount pad (43) is connected with the screw thread post, sliding connection has clamp splice (432) that are used for centre gripping third spliced pole (53) on mount pad (43), the bottom of clamp splice (432) is provided with second rack (433), second rack (433) and screw thread post meshing.