CN118008706B - Supporting device for installing impeller of wind driven generator - Google Patents
Supporting device for installing impeller of wind driven generator Download PDFInfo
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- CN118008706B CN118008706B CN202410427034.2A CN202410427034A CN118008706B CN 118008706 B CN118008706 B CN 118008706B CN 202410427034 A CN202410427034 A CN 202410427034A CN 118008706 B CN118008706 B CN 118008706B
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- 238000010276 construction Methods 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 14
- 241000282326 Felis catus Species 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
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Abstract
The invention relates to the technical field of fan impeller assembly, in particular to a supporting device for wind driven generator impeller installation, which comprises a construction platform, a supporting component, a shearing fork lifting component, a hydraulic leveling component and a mounting frame; the bottom of the construction platform is provided with a supporting component, the upper end of the supporting component is fixedly connected with the construction platform, the construction platform is provided with a mounting frame, and the upper end of the mounting frame clamps the hub of the impeller and drives the hub to rotate through tooth-shaped structure engagement; the support component comprises a telescopic frame and a mounting plate, the scissor lifting component is fixedly arranged on the mounting plate, the upper end of the scissor lifting component is fixedly connected with the construction platform, and the telescopic frame and the scissor lifting component synchronously stretch; the lower surface of the mounting plate is rotatably provided with a hydraulic leveling assembly, and the hydraulic leveling assembly adjusts the construction platform into a horizontal state through the action of a second hydraulic cylinder; the invention reduces damage to natural resources under mountain terrain, improves the efficiency of impeller assembly and reduces time cost.
Description
Technical Field
The invention relates to the technical field of fan impeller assembly, in particular to a supporting device for mounting a fan impeller of a wind driven generator.
Background
Wind power generation is the most mature technology in the current new energy development and has the most commercial development prospect, fan impeller assembly is a key process in the whole fan hoisting process, impellers are power components of a wind turbine generator, are assembled by hubs and blades, are transported to a construction site by special vehicles, are hoisted to corresponding installation positions of the hubs by special cranes, are fixed by connecting bolts, and are hoisted to a tower of the wind turbine generator after all three blades are assembled in place; in the impeller assembly process, the length of each fan blade is about seventy meters, the whole diameter of the impeller after three blades are completely assembled is about more than 150m, the occupied area is large, the wind turbine generator is generally arranged on ridge and ridges, the site limitation is serious, particularly when the wind turbine generator is used in mountain forest lands, a large number of trees need to be cut down to be leveled, the natural resources are seriously damaged, a crane is required to adjust the position of the crane according to the installation position on the hub when the second or third blades are hoisted, the blades can be aligned with the installation position of the hub only by moving the crane by a certain distance along the circumferential direction of the hub, and the installation of the blades is inconvenient.
In the impeller assembly device in the prior art, as disclosed in the patent with the publication number of CN115467784A, a hub is arranged on a clamping seat, the clamping seat rotates through a gear transmission structure, the hub installation position is adjusted to be aligned with a blade, but the weight of the hub and the weight of the blade are extremely large, the axial load and the radial load which need to be overcome when the hub and the blade rotate are extremely large, so that the clamping seat is stressed unevenly, the clamping seat bears impact to generate vibration, and the gear deviation is possibly caused or the friction force between gears is increased, so that the normal use of the impeller assembly device is influenced.
Accordingly, there is an urgent need to provide a supporting device for installing an impeller of a wind turbine to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the problems, the invention provides the supporting device for installing the impeller of the wind driven generator, which can reduce damage to natural resources under mountain terrains, improve the efficiency of impeller assembly and reduce time cost.
The invention solves the technical problems by adopting the technical scheme that:
a supporting device for installing an impeller of a wind driven generator comprises a construction platform, a supporting component, a scissor lifting component, a hydraulic leveling component and a mounting frame; the bottom of the construction platform is provided with a supporting component, the upper end of the supporting component is fixedly connected with the construction platform, the construction platform is provided with a mounting frame, and the mounting frame clamps the hub of the impeller and drives the hub to rotate through tooth-shaped structure engagement; the supporting component comprises four telescopic frames and a mounting plate, the four telescopic frames are respectively arranged at four corners above the mounting plate, the scissor lifting component is fixedly arranged on the upper surface of the mounting plate, the upper end of the scissor lifting component is fixedly connected with the bottom of the construction platform, the scissor lifting component is lifted or lowered through a first hydraulic cylinder, the telescopic frames and the scissor lifting component are synchronously stretched or shortened, and the lower end of the supporting component is spliced or separated from the mountain land through a hydraulic structure; the hydraulic leveling assembly is rotatably arranged on the lower surface of the mounting plate and is used for adjusting the construction platform to be in a horizontal state through the action of the second hydraulic cylinder;
The mounting frame comprises a fixing plate, a rotating plate and a planetary gear mechanism, wherein the rotating plate is rotatably arranged on the fixing plate, the rotating plate is a round piece, the bottom of the rotating plate is connected with the planetary gear mechanism, a round mounting groove is formed in the middle of the upper surface of the rotating plate, a shaft sleeve is arranged in the middle of the rotating plate, a placing groove is formed in the mounting groove, and the placing groove is communicated with the mounting groove;
The planetary gear mechanism comprises a sun gear, a planetary gear ring gear and a gear carrier, wherein the ring gear is fixedly connected with the bottom of the rotating plate, the sun gear is concentrically arranged with the rotating plate, the planetary gear is meshed between the ring gear and the sun gear, a planetary gear shaft is rotatably arranged on the planetary gear, the lower end of the planetary gear shaft is fixedly connected with the fixed plate, the upper end of the planetary gear shaft penetrates through the gear carrier to be fixedly connected with the gear carrier, a rotating shaft is fixedly arranged on the sun gear, and the upper end of the rotating shaft penetrates through the gear carrier to be rotatably connected with the rotating plate through a shaft sleeve.
Preferably, the hydraulic leveling assembly further comprises a bottom plate, first supporting legs and second supporting legs, the first supporting legs and the second supporting legs are symmetrically arranged on two sides of the bottom plate respectively, the first supporting legs and the second supporting legs are fixedly arranged at two ends of the bottom plate respectively, the upper ends of the first supporting legs and the second supporting legs are rotatably connected with the mounting plate respectively, and the second supporting legs are telescopic rods.
Preferably, the cylinder body end of the second hydraulic cylinder is rotationally connected with one end of the base plate, provided with the first supporting leg, and the piston end of the second hydraulic cylinder is rotationally connected with the mounting plate.
Preferably, the support assembly further comprises fixing pieces, four telescopic frames are arranged into two groups, the two groups of telescopic frames are respectively and fixedly arranged on two sides of the construction platform, a ladder stand is fixedly arranged between one group of telescopic frames, four fixing pieces are fixedly arranged at the bottoms of the telescopic frames, the side parts of the four fixing pieces are fixedly connected with four vertex angles of the mounting plate in a one-to-one correspondence mode, the four fixing pieces are arranged into two groups, and the two groups of fixing pieces are respectively located on two sides of the mounting plate.
Preferably, the support assembly further comprises a first hydraulic leg, a second hydraulic leg, and a cradle; one group of fixing pieces are fixedly provided with first hydraulic supporting legs at the lower ends, the other group of fixing pieces are fixedly provided with second hydraulic supporting legs at the lower ends, and telescopic ends of the first hydraulic supporting legs and the second hydraulic supporting legs are rotationally connected with movable supports.
Preferably, the mounting frame further comprises three third hydraulic cylinders and three jacks, wherein the third hydraulic cylinders and the three jacks are arranged along the circumferential direction, the third hydraulic cylinders are horizontally arranged on the placing grooves, the piston ends of the third hydraulic cylinders are fixedly connected with arc clamping plates, and the arc clamping plates are in butt joint or separation with the side walls of the hubs; the jack sets up between two adjacent standing grooves, and the jack is fixed to be set up on the rotor plate upper surface, and the jack is provided with the arc backup pad.
Preferably, the construction platform upper surface all is provided with the guardrail all around, and wherein the guardrail middle part of one side is provided with the guard gate that opens and shuts, and the guard gate corresponds with the position of cat ladder.
Preferably, the hydraulic leveling assembly further comprises wheels, the wheels are arranged at four corners of the bottom plate, and the wheels are provided with brake devices.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the supporting device for installing the impeller of the wind driven generator, the installation frame is arranged on the construction platform and comprises the fixed plate and the rotating plate, the angle between the fixed plate and the rotating plate is adjusted through the planetary gear mechanism, so that an installing position where the hub is not installed is moved to a crane accessory, the lifting construction is facilitated, the planetary gear sets can keep the load among all the planetary gears to be evenly distributed, and the stability of the device and the impact and vibration resistance capability are remarkably improved; the rotating plate is provided with a third hydraulic cylinder, and the plurality of third hydraulic cylinders are matched with the clamping wheel hub, so that the wheel hub is more stably installed; the rotating plate is also provided with a jack, and a certain supporting force is provided for the blades when the rotating plate is adjusted, so that the hub and the blades rotate stably.
(2) According to the supporting device for installing the impeller of the wind driven generator, the hydraulic leveling component and the scissor lifting component are arranged on the construction platform, the hydraulic leveling component enables the supporting device to adapt to different slopes of a mountain, the construction platform is adjusted to be in a horizontal state, and construction of constructors is facilitated; the shearing fork lifting assembly can enable the construction platform to be higher than crowns of surrounding trees, so that the assembly of the blades and the hubs exceeds a terrain and limited areas of the trees, the influence of mountain forest environments on construction is reduced, the occupied area of the ground is greatly reduced, and the cutting of the trees is reduced.
(3) According to the supporting device for installing the impeller of the wind driven generator, the supporting component is arranged on the construction platform and comprises the telescopic frame, the first hydraulic supporting leg and the second hydraulic supporting leg, the telescopic frame adopts a multi-stage telescopic structure and can synchronously stretch with the scissor lifting mechanism, the telescopic length of the first hydraulic supporting leg and the telescopic length of the second hydraulic supporting leg can be adjusted according to the requirements of mountain terrains, so that the movable support is attached to the mountain terrains, and the construction platform can be kept stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic diagram of an auxiliary impeller mounting structure of a supporting device for impeller mounting of a wind driven generator according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a side view direction structure of a supporting device for installing an impeller of a wind driven generator for assisting in installing the impeller according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a construction platform, a supporting assembly and a scissor lift assembly according to an embodiment of the invention;
FIG. 4 is an enlarged schematic view of area A of FIG. 3;
FIG. 5 is an exploded view of the mounting bracket according to the embodiment of the present invention;
FIG. 6 is an enlarged schematic view of area B of FIG. 5;
Fig. 7 is a schematic structural view of a hydraulic leveling assembly according to an embodiment of the present invention.
Reference numerals illustrate:
1. A construction platform; 11. guard bars; 12. a protective door; 2. a support assembly; 21. a telescopic frame; 22. a first hydraulic leg; 23. a second hydraulic leg; 24. a ladder stand; 25. a fixing member; 251. a connecting block; 26. a movable support; 27. a mounting plate; 271. a bracket; 272. a first boss; 273. a second boss; 28. a cross brace; 3. a scissors lifting assembly; 31. a first hydraulic cylinder; 4. a hydraulic leveling assembly; 41. a bottom plate; 411. a third boss; 42. a first support leg; 421. a first lug; 43. a second support leg; 431. a second lug; 44. a second hydraulic cylinder; 45. a wheel; 5. a mounting frame; 51. a fixing plate; 511. a planetary gear shaft; 512. a mounting hole; 52. a rotating plate; 521. a mounting groove; 522. a placement groove; 53. a third hydraulic cylinder; 531. an arc clamping plate; 54. a jack; 541. an arc-shaped supporting plate; 55. a planetary gear mechanism; 551. a sun gear; 552. a planetary gear; 553. a gear ring; 554. a gear frame; 56. a motor; 57. a fixing seat; 6. an impeller; 61. a hub; 62. a blade; 7. mountain land.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation or be constructed and operated in a specific orientation. The term "connected" merely means a connection between devices and is not of special significance.
1-7, A supporting device for installing an impeller of a wind driven generator comprises a construction platform 1, a supporting component 2, a scissor lifting component 3, a hydraulic leveling component 4 and a mounting frame 5; the bottom of the construction platform 1 is provided with a supporting component 2, the upper end of the supporting component 2 is fixedly connected with the construction platform 1, a mounting frame 5 is mounted on the construction platform 1, the mounting frame 5 is used for mounting an impeller 6, and the mounting frame 5 clamps a hub 61 of the impeller 6 and drives the hub 61 to rotate through tooth-shaped structure engagement; the supporting component 2 comprises four telescopic frames 21 and a mounting plate 27, the four telescopic frames 21 are respectively arranged at four corners above the mounting plate 27, the scissor lifting component 3 is fixedly arranged on the upper surface of the mounting plate 27, the upper end of the scissor lifting component 3 is fixedly connected with the bottom of the construction platform 1, the scissor lifting component 3 ascends or descends through a first hydraulic cylinder 31, the telescopic frames 21 and the scissor lifting component 3 synchronously extend or shorten, and the lower end of the supporting component 2 is spliced or separated from the mountain land 7 through a hydraulic structure; the lower surface of the mounting plate 27 is rotatably provided with a hydraulic leveling assembly 4, and the hydraulic leveling assembly 4 is used for leveling the construction platform 1 through the action of a second hydraulic cylinder 44.
The impeller 6 further comprises three blades 62, the three blades 62 are arranged, three mounting positions are arranged on the hub 61, and the three mounting positions are connected with the three blades 62 in a one-to-one correspondence manner.
The construction platform 1 is used for constructor activity, all is provided with guardrail 11 around the construction platform 1 upper surface, and wherein the guardrail 11 middle part of one side is provided with the guard gate 12 that opens and shuts, improves the safety in utilization of construction platform 1.
Four expansion brackets 21 are arranged into two groups, the two groups of expansion brackets 21 are respectively positioned at two sides of the construction platform 1, the upper ends of the four expansion brackets 21 are respectively fixedly arranged at four corners of the bottom of the construction platform 1, the expansion brackets 21 adopt a multi-stage expansion structure, and are convenient to cooperate with the lifting height of the scissor lifting assembly 3, so that the construction platform 1 is adapted to different mountain terrains.
The support assembly 2 further comprises a first hydraulic support leg 22, a second hydraulic support leg 23, a ladder stand 24, a fixing piece 25, a movable support 26 and a transverse strut 28; every group the fixed stull 28 that is provided with between the expansion bracket 21, stull 28 are located expansion bracket 21 upper portion for improve the stability between the expansion bracket 21, be close to fixed cat ladder 24 that is provided with on stull 28 of protection door 12 one side, cat ladder 24 corresponds with the position of protection door 12, the constructor business turn over of being convenient for.
The lower ends of the telescopic frames 21 are fixedly arranged at the upper ends of the fixing pieces 25, connecting blocks 251 are arranged on the side parts of the fixing pieces 25, the side parts of the connecting blocks 251 are fixedly connected with one of the top angles of the mounting plates 27, and the connecting blocks 251 on the four fixing pieces 25 are in one-to-one correspondence with the four top angles of the mounting plates 27 and are used for improving the stability of the mounting plates 27; four mounting pieces 25 are arranged into two groups, the two groups of mounting pieces 25 are respectively located at two sides of a mounting plate 27, the lower ends of one group of mounting pieces 25 far away from a cat ladder 24 are fixedly provided with first hydraulic support legs 22, the lower ends of the other group of mounting pieces 25 are fixedly provided with second hydraulic support legs 23, telescopic ends of the first hydraulic support legs 22 and the second hydraulic support legs 23 are rotationally connected with movable supports 26, the bottoms of the movable supports 26 are attached to the mountain land 7 according to fluctuation of the mountain land 7, when the first hydraulic support legs 22 and the second hydraulic support legs 23 are in a non-working state, the extending ends of the first hydraulic support legs 22 and the second hydraulic support legs 23 are in a contracted state, and the lengths of the first hydraulic support legs 22 or the second hydraulic support legs 23 and the movable supports 26 do not influence the supporting device to move along the mountain land 7.
Brackets 271 are symmetrically arranged on two sides of the upper surface of the mounting plate 27 and are used for connecting the scissor lifting assembly 3; the four corners of the lower surface of the mounting plate 27 are respectively provided with a first boss 272 for connecting the hydraulic leveling assembly 4, and two sides of the lower surface of the mounting plate 27 are symmetrically provided with second bosses 273 for connecting the second hydraulic cylinder 44.
The scissors lifting assembly 3 is in the prior art, the scissors lifting assembly 3 comprises two scissors units which are symmetrically arranged, each scissors unit comprises two groups of scissors-shaped connecting rods, the two groups of connecting rods are rotationally connected, the bottoms of the two scissors units are provided with supports, two sides of each support are fixedly connected with two supports 271 on the mounting plate 27 respectively, the middle part of one end of each support is rotationally connected with the cylinder body end of the first hydraulic cylinder 31, a push rod is connected between the two scissors units, the middle part of each push rod is rotationally connected with the piston end of the first hydraulic cylinder 31, the piston end of the first hydraulic cylinder 31 stretches or contracts to drive the two groups of connecting rods to act, and accordingly the two scissors units are synchronously acted to drive the construction platform 1 to rise or fall.
The hydraulic leveling assembly 4 further comprises a base plate 41, a first support leg 42 and a second support leg 43; third bosses 411 are symmetrically arranged on two sides of the bottom plate 41, the third bosses 411 are positioned at one end of the bottom plate 41 close to the ladder stand 24, the bottom plate 41 is rotationally connected with the cylinder body end of the second hydraulic cylinder 44 through the third bosses 411, and the piston end of the second hydraulic cylinder 44 is rotationally connected with a second boss 273 on the mounting plate 27; the outer sides of the two third bosses 411 are respectively provided with a first supporting leg 42, the lower ends of the first supporting legs 42 are fixedly connected with the bottom plate 41, the upper ends of the first supporting legs 42 are fixedly provided with first lugs 421, the first supporting legs 42 are rotationally connected with first bosses 272 on one side, close to the ladder 24, of the mounting plate 27 through the first lugs 421, the two sides of the bottom plate 41 are symmetrically and fixedly provided with second supporting legs 43, the second supporting legs 43 are positioned at one end, far away from the ladder 24, of the bottom plate 41, the second supporting legs 43 can be telescopic rods, second lugs 431 are arranged on the telescopic ends of the second supporting legs 43, the telescopic ends of the second supporting legs 43 are rotationally connected with first bosses 272 on one side, far away from the ladder 24, of the mounting plate 27 through the second lugs 431, and locking bolts are arranged on the second supporting legs 43, so that the second supporting legs 43 are prevented from moving, and the stability of the mounting plate 27 is improved; when the supporting device is used, the second hydraulic cylinder 44 is started, the piston end of the second hydraulic cylinder 44 extends to drive the mounting plate 27 and a part connected with the mounting plate to rotate upwards by taking the center of the first boss 272 on one side of the mounting plate 27 close to the cat ladder 24 as an axis, the telescopic end of the second supporting leg 43 and the first boss 272 on one side of the mounting plate 27 far away from the cat ladder 24 rotate relatively, the telescopic end of the second supporting leg 43 extends synchronously until the mounting plate 27 is parallel to a horizontal plane, the second hydraulic cylinder 44 is closed, and the extension of the telescopic end of the second supporting leg 43 is fixed.
The hydraulic leveling assembly 4 further comprises wheels 45, the wheels 45 are four, the four wheels 45 are respectively arranged at four corners of the bottom plate 41, the wheels 45 move along the mountain land 7, and a brake device is arranged on the wheels 45 to prevent the wheels 45 from moving when the support device is used.
The mounting frame 5 comprises a fixed plate 51, a rotating plate 52, a third hydraulic cylinder 53, a jack 54, a planetary gear mechanism 55, a motor 56 and a fixed seat 57; the bottom of the fixing seat 57 is fixedly arranged in the middle of the construction platform 1, the upper end of the fixing seat 57 is fixedly connected with the bottom of the fixing plate 51, the fixing seat 57 is of a frame structure, and the middle is hollow; the fixed plate 51 is rotatably provided with a rotating plate 52, the rotating plate 52 is a circular piece, the bottom of the rotating plate 52 is provided with a flange edge extending downwards, the bottom of the rotating plate 52 is connected with a planetary gear mechanism 55, the middle part of the upper surface of the rotating plate 52 is provided with a circular mounting groove 521 for mounting a hub 61, and the middle part of the rotating plate 52 is provided with a shaft sleeve; the mounting groove 521 is circumferentially provided with a plurality of placing grooves 522, the placing grooves 522 are communicated with the mounting groove 521, three placing grooves 522 are circumferentially arranged in the embodiment, the placing grooves 522 are horizontally provided with third hydraulic cylinders 53, the cylinder body ends of the third hydraulic cylinders 53 are fixedly connected with the rotating plate 52, the piston ends of the third hydraulic cylinders 53 are fixedly connected with arc clamping plates 531, the arc clamping plates 531 are abutted or separated from the side wall of the hub 61, and the plurality of third hydraulic cylinders 53 are matched, so that the mounting stability of the hub 61 is improved; the upper surface of the rotating plate 52 is also fixedly provided with three jacks 54, the jacks 54 are circumferentially arranged, each jack is arranged between two adjacent placing grooves 522, each jack 54 is provided with an arc-shaped supporting plate 541 for supporting the blade 62, and when the hub 61 is installed, the installation position of the hub 61 is aligned with the jacks 54.
The planetary gear mechanism 55 includes a sun gear 551, a planetary gear 552, a ring gear 553, and a carrier 554; the upper end of the gear ring 553 is fixedly connected with the flange edge at the bottom of the rotating plate 52, the sun gear 551 is concentrically arranged with the rotating plate 52, and a rotating shaft is fixedly connected to the center of the sun gear 551; the planetary gears 552 are meshed between the gear ring 553 and the sun gear 551, three planetary gears 552 are arranged, the central holes of the planetary gears 552 are rotationally connected with the planetary gear shafts 511, the lower ends of the planetary gear shafts 511 are fixedly connected with the fixed plate 51, and the upper ends of the planetary gear shafts 511 pass through the planetary gears 552 to be fixedly connected with the gear frame 554; the upper middle part of the fixed plate 51 is provided with a mounting hole 512, the lower end of a rotating shaft of a sun gear 551 passes through the mounting hole 512 and is fixedly connected with an output shaft of a motor 56, the bottom of the motor 56 is fixedly arranged on the construction platform 1, the rotating shaft is rotationally connected with the mounting hole 512, and the upper end of the rotating shaft of the sun gear 551 passes through a gear frame 554 and is rotationally connected with an upper shaft sleeve of the rotating plate 52; when the supporting device is used, the hub 61 is arranged on the mounting groove 521, the third hydraulic cylinder 53 is started, the piston end of the third hydraulic cylinder 53 stretches, and the arc clamping plate 531 is abutted with the side part of the hub 61; a constructor installs the first blade 62 on one of the installation positions of the hub 61, and starts the jack 54 to enable the arc-shaped supporting plate 541 to be abutted with the blade 62; when the rest blades 62 are hoisted, the motor 56 is started, the output shaft of the motor 56 drives the sun gear 551 to rotate, so that the planetary gear 552 and the gear ring 553 are driven to rotate, the rotating plate 52 and the hub 61 rotate along with the gear ring 553 by a certain angle, the mounting position of the hub 61, which is not mounted, rotates to the vicinity of the crane, and the motor 56 is turned off.
The use flow and the working principle of the device are as follows:
Moving the device to the installation position of the impeller 6, moving the crane to a proper position near the supporting device, starting the second hydraulic cylinder 44, extending the piston end of the second hydraulic cylinder 44, driving the mounting plate 27 and the connected parts thereof to rotate upwards until the mounting plate 27 is parallel to the horizontal plane, and closing the second hydraulic cylinder 44; the first hydraulic support leg 22 and the second hydraulic support leg 23 act to enable the movable support 26 to be attached to the mountain land 7, constructors go to the construction platform 1 through the crawling ladder 24, the first hydraulic cylinder 31 is started, the piston end of the first hydraulic cylinder 31 stretches to enable the two scissor units to synchronously act to drive the construction platform 1 to rise, the telescopic frame 21 synchronously rises until the construction platform 1 is located above crowns of trees planted on the supporting device, and the first hydraulic cylinder 31 is closed;
The crane lifts the hub 61 onto the mounting groove 521, the third hydraulic cylinder 53 is started, and the piston end of the third hydraulic cylinder 53 extends to enable the arc clamping plate 531 to be in abutting connection with the side part of the hub 61; moving the first blade 62 in a direction approaching to the mounting position of the hub 61, connecting the blade 62 to the hub 61 by bolts, and starting the jack 54 to make the arc-shaped supporting plate 541 abut against the blade 62;
When the rest of the blades 62 are hoisted, the motor 56 is started, the output shaft of the motor 56 drives the sun gear 551 to rotate, so that the planetary gear 552 and the gear ring 553 are driven to rotate, the rotating plate 52, the hub 61 and the first blade 62 rotate a certain angle along with the gear ring 553, the mounting position on the hub 61, which is not mounted, rotates to the vicinity of the crane, the motor 56 is turned off, and the rest of the blades 62 are hoisted.
According to the supporting device for installing the impeller of the wind driven generator, the installation frame is arranged on the construction platform and comprises the fixed plate and the rotating plate, the angle between the fixed plate and the rotating plate is adjusted through the planetary gear mechanism, so that an installing position where the hub is not installed is moved to the vicinity of a crane, the lifting construction is facilitated, the planetary gear sets can keep the load among all planetary gears to be evenly distributed, and the stability of the device and the impact and vibration resistance capability are remarkably improved; the rotating plate is provided with a third hydraulic cylinder, and the plurality of third hydraulic cylinders are matched with the clamping wheel hub, so that the wheel hub is more stably installed; the rotating plate is also provided with a jack, and a certain supporting force is provided for the blades when the rotating plate is adjusted, so that the hub and the blades rotate stably.
According to the supporting device for installing the impeller of the wind driven generator, the hydraulic leveling component and the scissor lifting component are arranged on the construction platform, the hydraulic leveling component enables the supporting device to adapt to different slopes of a mountain, the construction platform is adjusted to be in a horizontal state, and construction of constructors is facilitated; the shearing fork lifting assembly can enable the construction platform to be higher than crowns of surrounding trees, so that the assembly of the blades and the hubs exceeds a terrain and limited areas of the trees, the influence of mountain forest environments on construction is reduced, the occupied area of the ground is greatly reduced, and the cutting of the trees is reduced.
According to the supporting device for installing the impeller of the wind driven generator, the supporting component is arranged on the construction platform and comprises the telescopic frame, the first hydraulic supporting leg and the second hydraulic supporting leg, the telescopic frame adopts a multi-stage telescopic structure and can synchronously stretch with the scissor lifting mechanism, the telescopic length of the first hydraulic supporting leg and the telescopic length of the second hydraulic supporting leg can be adjusted according to the requirements of mountain terrains, so that the movable support is attached to the mountain terrains, and the construction platform can be kept stable.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The supporting device for installing the impeller of the wind driven generator is characterized by comprising a construction platform (1), a supporting component (2), a scissor lifting component (3), a hydraulic leveling component (4) and a mounting frame (5); the bottom of the construction platform (1) is provided with a supporting component (2), the upper end of the supporting component (2) is fixedly connected with the construction platform (1), a mounting frame (5) is mounted on the construction platform (1), and the mounting frame (5) clamps a hub (61) of an impeller (6) and drives the hub (61) to rotate through tooth-shaped structure meshing; the supporting component (2) comprises four telescopic frames (21) and a mounting plate (27), the four telescopic frames (21) are arranged at four corners above the mounting plate (27), the scissor lifting component (3) is fixedly arranged on the upper surface of the mounting plate (27), the upper end of the scissor lifting component (3) is fixedly connected with the bottom of the construction platform (1), the scissor lifting component (3) ascends or descends through a first hydraulic cylinder (31), the telescopic frames (21) and the scissor lifting component (3) stretch or shorten synchronously, and the lower end of the supporting component (2) is spliced or separated from the mountain land surface (7) through a hydraulic structure; the lower surface of the mounting plate (27) is rotatably provided with a hydraulic leveling assembly (4), and the hydraulic leveling assembly (4) adjusts the construction platform (1) into a horizontal state through the action of a second hydraulic cylinder (44);
The mounting frame (5) comprises a fixed plate (51), a rotating plate (52) and a planetary gear mechanism (55), wherein the rotating plate (52) is rotatably arranged on the fixed plate (51), the rotating plate (52) is a round piece, the bottom of the rotating plate (52) is connected with the planetary gear mechanism (55), a round mounting groove (521) is formed in the middle of the upper surface of the rotating plate (52), a shaft sleeve is arranged in the middle of the rotating plate (52), a placing groove (522) is formed in the mounting groove (521), and the placing groove (522) is communicated with the mounting groove (521);
The planetary gear mechanism (55) comprises a sun gear (551), a planetary gear (552), a gear ring (553) and a gear rack (554), wherein the gear ring (553) is fixedly connected with the bottom of the rotating plate (52), the sun gear (551) is concentrically arranged with the rotating plate (52), the planetary gear (552) is meshed between the gear ring (553) and the sun gear (551), a planetary gear shaft (511) is rotatably arranged on the planetary gear (552), the lower end of the planetary gear shaft (511) is fixedly connected with the fixed plate (51), the upper end of the planetary gear shaft (511) penetrates through the planetary gear (552) to be fixedly connected with the gear rack (554), a rotating shaft is fixedly arranged on the sun gear (551), and the upper end of the rotating shaft penetrates through the gear rack (554) to be rotatably connected with the rotating plate (52) through a shaft sleeve;
The supporting component (2) further comprises fixing pieces (25), the four telescopic frames (21) are arranged into two groups, the two groups of telescopic frames (21) are respectively and fixedly arranged on two sides of the construction platform (1), and the fixing pieces (25) are fixedly arranged at the bottoms of the four telescopic frames (21);
the support assembly (2) further comprises a first hydraulic support leg (22), a second hydraulic support leg (23) and a movable support (26); the lower ends of one group of fixing pieces (25) are fixedly provided with first hydraulic supporting legs (22), the lower ends of the other group of fixing pieces (25) are fixedly provided with second hydraulic supporting legs (23), and telescopic ends of the first hydraulic supporting legs (22) and the second hydraulic supporting legs (23) are rotatably connected with movable supports (26);
the mounting frame (5) further comprises a third hydraulic cylinder (53) and a jack (54), the third hydraulic cylinder (53) and the jack (54) are respectively arranged in the circumferential direction, the third hydraulic cylinder (53) is horizontally arranged on the placing groove (522), an arc clamping plate (531) is fixedly connected to the piston end of the third hydraulic cylinder (53), and the arc clamping plate (531) is in butt joint with or separated from the side wall of the hub (61); the jack (54) is arranged between two adjacent placing grooves (522), the jack (54) is fixedly arranged on the upper surface of the rotating plate (52), the arc-shaped supporting plate (541) is arranged on the jack (54), and the installation position of the hub (61) is aligned with the jack (54).
2. The supporting device for installing the impeller of the wind driven generator according to claim 1, wherein the hydraulic leveling assembly (4) further comprises a bottom plate (41), a first supporting leg (42) and a second supporting leg (43), the first supporting leg (42) and the second supporting leg (43) are symmetrically arranged on two sides of the bottom plate (41) respectively, the first supporting leg (42) and the second supporting leg (43) are fixedly arranged at two ends of the bottom plate (41) respectively, the upper ends of the first supporting leg (42) and the second supporting leg (43) are rotatably connected with the mounting plate (27) respectively, and the second supporting leg (43) is a telescopic rod.
3. A supporting device for installing an impeller of a wind driven generator according to claim 1, wherein the cylinder body end of the second hydraulic cylinder (44) is rotatably connected with one end of the base plate (41) provided with the first supporting leg (42), and the piston end of the second hydraulic cylinder (44) is rotatably connected with the installing plate (27).
4. The supporting device for installing the impeller of the wind driven generator according to claim 1, wherein a ladder stand (24) is fixedly arranged between one group of telescopic frames (21), the side parts of four fixing pieces (25) are fixedly connected with four vertex angles of the installation plate (27) in a one-to-one correspondence manner, the four fixing pieces (25) are arranged into two groups, and the two groups of fixing pieces (25) are respectively positioned at two sides of the installation plate (27).
5. The supporting device for installing the impeller of the wind driven generator according to claim 1, wherein guardrails (11) are arranged on the periphery of the upper surface of the construction platform (1), an opening and closing protective door (12) is arranged in the middle of one side of each guardrail (11), and the protective door (12) corresponds to the position of a cat ladder (24).
6. The supporting device for installing the impeller of the wind driven generator according to claim 1, wherein the hydraulic leveling assembly (4) further comprises four wheels (45), the four wheels (45) are respectively arranged at four corners of the bottom plate (41), and the wheels (45) are provided with braking devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410427034.2A CN118008706B (en) | 2024-04-10 | Supporting device for installing impeller of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410427034.2A CN118008706B (en) | 2024-04-10 | Supporting device for installing impeller of wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118008706A CN118008706A (en) | 2024-05-10 |
| CN118008706B true CN118008706B (en) | 2024-06-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN218875391U (en) * | 2022-10-26 | 2023-04-18 | 巨力索具股份有限公司 | Wind power universal hub mounting platform |
| CN219971789U (en) * | 2023-05-17 | 2023-11-07 | 山西省安装集团股份有限公司 | Workbench for mountain photovoltaic installation |
| CN117658001A (en) * | 2023-12-07 | 2024-03-08 | 山西省安装集团股份有限公司 | Central air conditioner installation device and installation method |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN218875391U (en) * | 2022-10-26 | 2023-04-18 | 巨力索具股份有限公司 | Wind power universal hub mounting platform |
| CN219971789U (en) * | 2023-05-17 | 2023-11-07 | 山西省安装集团股份有限公司 | Workbench for mountain photovoltaic installation |
| CN117658001A (en) * | 2023-12-07 | 2024-03-08 | 山西省安装集团股份有限公司 | Central air conditioner installation device and installation method |
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