CN112879234B - Lifting device of wind driven generator - Google Patents

Lifting device of wind driven generator Download PDF

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Publication number
CN112879234B
CN112879234B CN202110108208.5A CN202110108208A CN112879234B CN 112879234 B CN112879234 B CN 112879234B CN 202110108208 A CN202110108208 A CN 202110108208A CN 112879234 B CN112879234 B CN 112879234B
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China
Prior art keywords
rod body
auxiliary
main
groove
middle rod
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CN202110108208.5A
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Chinese (zh)
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CN112879234A (en
Inventor
刘文叶
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Jiangsu Changyou Environmental Protection Technology Co ltd
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Jiangsu Changyou Environmental Protection Technology Co ltd
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Priority to CN202110108208.5A priority Critical patent/CN112879234B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50Maintenance or repair
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/28Undercarriages for supports with one single telescoping pillar
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

Abstract

The invention provides a lifting device of a wind driven generator, which relates to the technical field of wind power generation and comprises a base, wherein an L-shaped base is fixedly arranged on the top surface of the base, a tower is fixedly and vertically arranged on the horizontal end of the L-shaped base, the tower is of a hollow cylindrical structure, a lifting groove is formed in the outer peripheral wall of the tower, a groove cover with a matched shape is movably arranged on an opening of the lifting groove, a lifting rod device is movably arranged in the lifting groove, a wind driven generator mounting frame is arranged on the lifting rod device and is positioned outside the tower, the lifting rod device comprises a main rod body, an upper middle rod body, a lower middle rod body and an auxiliary rod body, the main rod body, the upper middle rod body, the lower middle rod body and the auxiliary rod body are sequentially connected end to end, and one end of the main rod body is fixedly connected with the wind driven generator mounting frame. The invention has the advantages that the height of the wind driven generator can be adjusted, thereby facilitating maintenance and overhaul, and the like.

Description

Lifting device of wind driven generator
Technical Field
The invention relates to the technical field of wind power generation, in particular to a lifting device of a wind driven generator.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. Most of the existing wind driven generators are fixedly installed, maintenance personnel are required to climb to the high altitude for operation in the aspects of maintenance and overhaul of the wind driven generators, the maintenance personnel do not obtain good safety guarantee, and meanwhile, the severe environment can damage or even directly destroy the wind driven generators, so that the service lives of the existing wind driven generators are short.
Disclosure of Invention
The invention aims to provide a lifting device of a wind driven generator, which can adjust the height of the wind driven generator so as to facilitate maintenance and overhaul.
In order to solve the technical problems, the invention provides a lifting device of a wind driven generator, which comprises a base, wherein an L-shaped base is fixedly arranged on the top surface of the base, a tower is fixedly and vertically arranged on the horizontal end of the L-shaped base, the tower is of a hollow cylindrical structure, a lifting groove is formed in the outer peripheral wall of the tower, a groove cover with a shape matched with that of the lifting groove is movably arranged on the opening of the lifting groove, a lifting rod device is movably arranged in the lifting groove, a wind driven generator mounting rack is arranged on the lifting rod device and is positioned outside the tower, the lifting rod device comprises a main rod body, an upper middle rod body, a lower middle rod body and an auxiliary rod body, the main rod body, the upper middle rod body, the lower middle rod body and the auxiliary rod body are sequentially connected end to end, one end of the main rod body is fixedly connected with the wind driven generator mounting rack, and the other end of the main rod body is connected with one end of the upper middle rod body, The other end of the upper middle rod body is hinged with one end of the lower middle rod body, the other end of the lower middle rod body is hinged with one end of the auxiliary rod body through a rotating shaft, an upper fixing frame sleeve is sleeved outside the main rod body and is connected to the inner wall of the top of the tower frame through a plurality of main fixing screw rods, a lower fixing frame sleeve is sleeved outside the other end of the auxiliary rod body and is connected to the inner wall of the bottom of the tower frame through a plurality of auxiliary fixing screw rods, the upper fixing frame sleeve and the lower fixing frame sleeve are of frame-shaped structures, the other ends of the main rod body and the auxiliary rod body are respectively arranged in the upper fixing frame sleeve and the lower fixing frame sleeve in a sliding mode, a main rack groove is formed in the side wall of the main rod body, a main rack is fixedly arranged in the main rack groove, an auxiliary rack groove is formed in the side wall of the auxiliary rod body, the length directions of the main rack groove, the auxiliary rack groove and the main rod body are the same, and an auxiliary rack is fixedly arranged in the auxiliary rack groove, a main driving motor and an auxiliary driving motor are sequentially arranged on the inner wall of the tower from top to bottom, the axis of an output shaft of the main driving motor is parallel to the axis of an output shaft of the auxiliary driving motor, the rotating directions of the output shafts of the main driving motor and the auxiliary driving motor are opposite, a main driving gear and an auxiliary driving gear which are the same in size are fixedly arranged on the output shafts of the main driving motor and the auxiliary driving motor respectively, the main driving gear and the auxiliary driving gear are meshed with a main rack and an auxiliary rack respectively, a lifter adjusting device is arranged at the vertical end of the L-shaped base and comprises a pushing hydraulic cylinder, the pushing hydraulic cylinder is fixedly arranged at the vertical end of the L-shaped base, a piston rod of the pushing hydraulic cylinder movably penetrates through the slot cover, and the piston rod of the pushing hydraulic cylinder is hinged to the outer peripheral wall of the rotating shaft between the other end of the upper middle rod body and one end of the lower middle rod body.
Preferably, the other end interval of going up the middle body of rod is provided with a plurality of fixture block seats, all the fixed fixture block that is provided with on the fixture block seat, be provided with the fixture block seat one-to-one's of fixture block seat one-to-one on one end of the middle body of rod down, be provided with the draw-in groove with the fixture block one-to-one on the draw-in groove seat, and the shape size homogeneous phase adaptation of fixture block and draw-in groove, the fixed opening connecting rod that is provided with on the piston rod of promotion pneumatic cylinder, and the upper and lower both sides of the open end of opening connecting rod articulate between the other end of the middle body of rod and the one end of the middle body of rod down respectively, be convenient for promote the pneumatic cylinder with last middle body of rod and down when the middle body of rod promotes and is located the coplanar, the fixture block can block card go into the draw-in groove of relevant position, be favorable to making and keep stable between the middle body of rod down.
Preferably, the length of the upper middle rod body is the same as that of the lower middle rod body, the position between the other end of the upper middle rod body and one end of the lower middle rod body is on the same horizontal plane with a piston rod of the pushing hydraulic cylinder, and when the pushing hydraulic cylinder pushes or pulls the upper middle rod body and the lower middle rod body, the upper middle rod body and the lower middle rod body can keep moving stably and synchronously.
Preferably, the L-shaped base is fixedly arranged at one end of the top surface of the base, the other end of the base is movably provided with a trapezoidal block groove, a trapezoidal block is movably arranged in the trapezoidal block groove, the bottom surface of the trapezoidal block is flushed with the bottom surface of the base, the top surface of the trapezoidal block is flushed with the vertical end of the L-shaped base, the trapezoidal block is convenient to place in the trapezoidal block groove, the wind driven generator on the wind driven generator mounting frame after descending can be overhauled, and the wind driven generator can be removed when not in use.
Preferably, the slot cover is movably connected to the opening of the lifting slot through a plurality of bolts, so that when the wind driven generator on the wind driven generator mounting frame is not required to be lifted, the lifting slot can be protected through the installation of the slot cover.
Preferably, the outside of pushing the pneumatic cylinder still is provided with the safety cover of shape looks adaptation to play the guard action to pushing the pneumatic cylinder, improve the life of pushing the pneumatic cylinder and the reliability when work.
The invention has the beneficial effects that:
(1) the lifting rod device is arranged, so that the heights of the wind driven generator mounting frame and the wind driven generator can be conveniently adjusted, the climbing height of maintenance personnel is reduced, the maintenance and overhaul operation is convenient, and the safety and convenience are improved;
(2) the main driving motor, the auxiliary driving motor and the pushing hydraulic cylinder are matched to realize bending, folding and stretching of the upper middle rod body and the lower middle rod body, so that the effect of adjusting the height of the wind driven generator mounting frame is achieved, and maintenance and overhaul operations of maintenance personnel are facilitated;
(3) the setting of trapezoidal piece is convenient for place behind the trapezoidal piece inslot, has made things convenient for maintenance personal to utilize the operation of ascending a height of trapezoidal piece, overhauls the aerogenerator on the aerogenerator mounting bracket after the decline.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a wind turbine lifting device according to the present invention;
FIG. 2 is a schematic structural view of a wind turbine generator lifting device without a slot cover;
FIG. 3 is a schematic structural view of a lifter device of a wind turbine lifting device according to the present invention;
FIG. 4 is a schematic view of the positions of the block seat and the slot seat of the lifting device of a wind turbine generator according to the present invention;
FIG. 5 is a schematic view of an open connecting rod structure of a lifting device of a wind turbine according to the present invention;
the reference signs are: 1. a base; 2. an L-shaped base; 3. a tower; 31. a lifting groove; 311. a slot cover; 32. a wind power generator mounting frame; 4. a lifter device; 41. a main rod body; 411. an upper fixed frame sleeve; 412. a main fixing screw; 413. a main rack groove; 414. a main rack; 415. a main drive motor; 416. a main drive gear; 42. an upper middle rod body; 421. a block seat; 422. a clamping block; 43. a lower middle rod body; 431. a slot clamping seat; 432. a card slot; 44. a sub-rod body; 441. a lower fixed frame sleeve; 442. an auxiliary fixing screw; 443. a secondary rack groove; 444. a secondary rack; 445. a secondary drive motor; 446. a counter drive gear; 45. a rotating shaft; 5. an elevator adjustment device; 51. pushing the hydraulic cylinder; 52. an open connecting rod; 53. a protective cover; 6. a trapezoidal block.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-5, a lifting device of a wind power generator in this embodiment includes a base 1, an L-shaped base 2 is fixedly disposed on a top surface of the base 1, a tower 3 is fixedly and vertically disposed on a horizontal end of the L-shaped base 2, the tower 3 is a hollow cylindrical structure, a lifting groove 31 is disposed on an outer circumferential wall of the tower 3, a groove cover 311 with a shape adapted to the opening of the lifting groove 31 is movably disposed on an opening of the lifting groove 31, a lifting rod device 4 is movably disposed in the lifting groove 31, a wind power generator mounting rack 32 is disposed on the lifting rod device 4, the wind power generator mounting rack 32 is disposed outside the tower 3, the lifting rod device 4 includes a main rod body 41, an upper intermediate rod body 42, a lower intermediate rod body 43 and an auxiliary rod body 44, the main rod body 41, the upper intermediate rod body 42, the lower intermediate rod body 43 and the auxiliary rod body 44 are sequentially connected end to end, and end of the main rod body 41 is fixedly connected to end of the wind power generator mounting rack 32, the other end of the main rod body 41 is hinged with one end of the upper middle rod body 42, the other end of the upper middle rod body 42 is hinged with one end of the lower middle rod body 43, the other end of the lower middle rod body 43 is hinged with one end of the auxiliary rod body 44 through a rotating shaft 45, an upper fixed frame sleeve 411 is sleeved outside the main rod body 41, the upper fixed frame sleeve 411 is connected to the inner wall of the top of the tower frame 3 through a plurality of main fixed screw rods 412, a lower fixed frame sleeve 441 is sleeved outside the other end of the auxiliary rod body 44, the lower fixed frame sleeve 441 is connected to the inner wall of the bottom of the tower frame 3 through a plurality of auxiliary fixed screw rods 442, the upper fixed frame sleeve 411 and the lower fixed frame sleeve 441 are both in a frame-shaped structure, the other ends of the main rod body 41 and the auxiliary rod body 44 are respectively arranged in the upper fixed frame sleeve 411 and the lower fixed frame sleeve 441 in a sliding manner, a main rack groove 413 is arranged on the side wall of the main rod body 41, a main rack 414 is fixedly arranged in the main rack groove 413, an auxiliary rack groove 443 is arranged on the side wall of the auxiliary rod body 44, the length directions of the main rack groove 413, the auxiliary rack groove 443 and the main rod body 41 are the same, an auxiliary rack 444 is fixedly arranged in the auxiliary rack groove 443, a main driving motor 415 and an auxiliary driving motor 445 are sequentially arranged on the inner wall of the tower 3 from top to bottom, the axis of the output shaft of the main driving motor 415 and the axis of the output shaft of the auxiliary driving motor 445 are parallel, the rotating directions of the output shafts of the main driving motor 415 and the auxiliary driving motor 445 are opposite, a main driving gear 416 and an auxiliary driving gear 446 which are the same in size are respectively and fixedly arranged on the output shafts of the main driving motor 415 and the auxiliary driving motor 445, the main driving gear 416 and the auxiliary driving gear 446 are respectively meshed with the main rack 414 and the auxiliary rack 444, a lifter adjusting device 5 is arranged on the vertical end of the L-shaped base 2, the lifter adjusting device 5 comprises a pushing hydraulic cylinder 51, the pushing hydraulic cylinder 51 is fixedly arranged on the vertical end of the L-shaped base 2, a piston rod of the pushing hydraulic cylinder 51 movably penetrates through the slot cover 311, and the piston rod of the pushing hydraulic cylinder 51 is hinged on the outer peripheral wall of the rotating shaft 45 between the other end of the upper middle rod body 42 and one end of the lower middle rod body 43.
A plurality of clamping block seats 421 are arranged at intervals at the other end of the upper middle rod body 42, clamping blocks 422 are fixedly arranged on the clamping block seats 421, clamping groove seats 431 corresponding to the clamping block seats 421 one by one are arranged at one end of the lower middle rod body 43, clamping grooves 432 corresponding to the clamping blocks 422 one by one are arranged on the clamping groove seats 431, the clamping blocks 422 are matched with the clamping grooves 432 in shape and size, an opening connecting rod 52 is fixedly arranged on a piston rod of the pushing hydraulic cylinder 51, the upper side and the lower side of the opening end of the opening connecting rod 52 are respectively hinged with the other end of the upper middle rod body 42 and one end of the lower middle rod body 43, when the pushing hydraulic cylinder 51 pushes the upper middle rod body 42 and the lower middle rod body 43 and are positioned on the same plane, the clamping blocks 422 can be clamped into the clamping grooves 432 at corresponding positions, so that the upper middle rod body 42 and the lower middle rod body 43 can be kept stable, and the length of the upper middle rod body 42 is the same as that of the lower middle rod body 43, the position between the other end of the upper middle rod 42 and one end of the lower middle rod 43 is on the same horizontal plane with the piston rod of the pushing hydraulic cylinder 51, so that when the pushing hydraulic cylinder 51 pushes or pulls the upper middle rod 42 and the lower middle rod 43, the upper middle rod 42 and the lower middle rod 43 can keep moving stably and synchronously, the L-shaped base 2 is fixedly arranged at one end of the top surface of the base 1, the other end of the base 1 is movably provided with a trapezoid block groove, a trapezoid block 6 is movably arranged in the trapezoid block groove, the bottom surface of the trapezoid block 6 is flush with the bottom surface of the base 1, the top surface of the trapezoid block 6 is flush with the vertical end of the L-shaped base 2, and after the trapezoid block 6 is placed in the trapezoid block groove, the wind driven generator on the lowered wind driven generator mounting frame 32 can be overhauled and removed when the wind driven generator is not in use; the slot cover 311 is movably connected to the opening of the lifting slot 31 through a plurality of bolts, so that when the wind driven generator on the wind driven generator mounting frame 32 is not required to be lifted, the lifting slot 31 can be protected through the installation of the slot cover 311, the protection cover 53 matched with the shape is further arranged outside the pushing hydraulic cylinder 51, the pushing hydraulic cylinder 51 can be protected, the service life of the pushing hydraulic cylinder 51 is prolonged, and the reliability of the pushing hydraulic cylinder 51 in working is improved.
The working principle of the invention is as follows: before normal installation and use, the pushing hydraulic cylinder 51 can be started, so that the pushing hydraulic cylinder 51 pushes the upper middle rod 42 and the lower middle rod 43 through the open connecting rod 52 and moves in a direction away from the pushing hydraulic cylinder 51, and the main driving motor 415 and the auxiliary driving motor 445 are started at the same time, because the rotation directions of the output shafts of the main driving motor 415 and the auxiliary driving motor 445 are opposite, the main driving motor 415 drives the main driving gear 416 to rotate, so that the main rod 41 penetrates through the upper fixed frame sleeve 411 and moves in a direction away from the base 1, the auxiliary driving motor 445 drives the auxiliary driving gear 446 to rotate, so that the auxiliary rod 44 penetrates through the lower fixed frame sleeve 441 and moves in a direction close to the base 1, and finally, the main rod 41, the upper middle rod 42, the lower middle rod 43 and the auxiliary rod 44 can be located on the same vertical plane, and the other end of the auxiliary rod 44 can be in contact with the bottom surface of the tower 3, the supporting function can be achieved, and under the pushing action of the pushing hydraulic cylinder 51, the main rod body 41, the upper middle rod body 42, the lower middle rod body 43 and the auxiliary rod body 44 can be kept to rotate in pairs by taking the rotating shaft 45 as an axis, and at the moment, the wind driven generator mounting frame 32 is farthest away from the base 1, so that the wind driven generator can work; when the height of the wind turbine on the wind turbine mounting bracket 32 needs to be lowered, the pushing hydraulic cylinder 51 is started, so that the pushing hydraulic cylinder 51 pulls the other end of the upper middle rod 42 and one end of the lower middle rod 43 to move towards the direction close to the pushing hydraulic cylinder 51 through the open connecting rod 52, at this time, both ends of the upper middle rod 42 and both ends of the lower middle rod 43 rotate around the rotating shaft 45, and at the same time, one end of the upper middle rod 42 is closed towards the other end of the lower middle rod 43, and a v-shape is formed between the upper middle rod 42 and the lower middle rod 43, and the main driving motor 415 and the auxiliary driving motor 445 are started, because the rotating directions of the output shafts of the main driving motor 415 and the auxiliary driving motor 445 are opposite, the main driving motor 415 drives the main driving gear 416 to rotate, so that the main rod 41 penetrates through the upper fixing frame sleeve 411 to move towards the direction close to the base 1, at this time, the wind driven generator mounting frame 32 moves together with the main rod body 41, and then the distance between the wind driven generator mounting frame 32 and the base 1 can be reduced, the auxiliary driving motor 445 drives the auxiliary driving gear 446 to rotate, so that the auxiliary rod body 44 penetrates through the lower fixed frame sleeve 441 to move towards the direction far away from the base 1, the main driving gear 416 and the auxiliary driving gear 446 are respectively meshed with the main rack 414 and the auxiliary rack 444, looseness of the main rod body 41 and the auxiliary rod body 44 can be avoided, the trapezoidal block 6 can be placed in the trapezoidal block groove, and maintenance personnel can conveniently ascend to maintain the wind driven generator on the lowered wind driven generator mounting frame 32.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A wind driven generator lifting device is characterized in that: comprises a base (1), an L-shaped base (2) is fixedly arranged on the top surface of the base (1), a tower (3) is fixedly and vertically arranged on the horizontal end of the L-shaped base (2), the tower (3) is of a hollow cylindrical structure, a lifting groove (31) is arranged on the outer peripheral wall of the tower (3), a groove cover (311) with a matched shape is movably arranged on the opening of the lifting groove (31), a lifting rod device (4) is movably arranged in the lifting groove (31), a wind driven generator mounting rack (32) is arranged on the lifting rod device (4), the wind driven generator mounting rack (32) is positioned outside the tower (3), the lifting rod device (4) comprises a main rod body (41), an upper middle rod body (42), a lower middle rod body (43) and an auxiliary rod body (44), the main rod body (41), the upper middle rod body (42), the lower middle rod body (43) and the auxiliary rod body (44) are sequentially connected end to end, and the one end of main rod body (41) and aerogenerator mounting bracket (32) fixed connection, the other end of main rod body (41) and the one end of last middle rod body (42) between, go up between the other end of middle rod body (42) and the one end of lower middle rod body (43), it is articulated through pivot (45) between the other end of lower middle rod body (43) and the one end of auxiliary rod body (44) all, the outside cover of main rod body (41) is equipped with fixed frame cover (411), it connects on the inner wall at pylon (3) top through a plurality of main fixed screw (412) to go up fixed frame cover (411), the outside cover of the other end of auxiliary rod body (44) is equipped with down fixed frame cover (441), down fixed frame cover (441) is connected on the inner wall of pylon (3) bottom through a plurality of auxiliary fixed screw (442), it is frame cover (411) and lower fixed frame cover (441) to go up fixed frame cover (411) and be frame structure, and the other end of main rod body (41) and auxiliary rod body (44) slides respectively and sets up fixed frame cover (411) and auxiliary rod body (441) and fix frame cover (32) and set up fixed frame cover (411) and the other end of last fixed frame cover (441) and (32) and be fixed frame cover In the lower fixed frame sleeve (441), a main rack groove (413) is arranged on the side wall of the main rod body (41), a main rack (414) is fixedly arranged in the main rack groove (413), an auxiliary rack groove (443) is arranged on the side wall of the auxiliary rod body (44), the length directions of the main rack groove (413), the auxiliary rack groove (443) and the main rod body (41) are the same, an auxiliary rack (444) is fixedly arranged in the auxiliary rack groove (443), a main driving motor (415) and an auxiliary driving motor (445) are sequentially arranged on the inner wall of the tower (3) from top to bottom, the main driving motor (415) is parallel to the axis of the output shaft of the auxiliary driving motor (445), the rotating directions of the output shafts of the main driving motor (415) and the auxiliary driving motor (445) are opposite, a main driving gear (416) and an auxiliary driving gear (446) which are the same in size are respectively and fixedly arranged on the output shafts of the main driving motor (415) and the auxiliary driving motor (445), the main driving gear (416) and the auxiliary driving gear (446) are respectively meshed with the main rack (414) and the auxiliary rack (444), a lifter adjusting device (5) is arranged at the vertical end of the L-shaped base (2), the lifter adjusting device (5) comprises a pushing hydraulic cylinder (51), the pushing hydraulic cylinder (51) is fixedly arranged at the vertical end of the L-shaped base (2), a piston rod of the pushing hydraulic cylinder (51) movably penetrates through the groove cover (311), and a piston rod of the pushing hydraulic cylinder (51) is hinged to the outer peripheral wall of the rotating shaft (45) between the other end of the upper middle rod body (42) and one end of the lower middle rod body (43); a plurality of clamping block seats (421) are arranged at intervals at the other end of the upper middle rod body (42), clamping blocks (422) are fixedly arranged on the clamping block seats (421), clamping groove seats (431) corresponding to the clamping block seats (421) one by one are arranged at one end of the lower middle rod body (43), clamping grooves (432) corresponding to the clamping blocks (422) one by one are arranged on the clamping groove seats (431), the clamping blocks (422) are matched with the clamping grooves (432) in shape and size, an opening connecting rod (52) is fixedly arranged on a piston rod of the pushing hydraulic cylinder (51), the upper side and the lower side of the opening end of the opening connecting rod (52) are respectively hinged with the other end of the upper middle rod body (42) and one end of the lower middle rod body (43), the L-shaped base (2) is fixedly arranged at one end of the top surface of the base (1), a trapezoidal block groove is movably arranged at the other end of the base (1), and a trapezoidal block (6) is movably arranged in the trapezoidal block groove, the bottom surface of the trapezoid block (6) is flush with the bottom surface of the base (1), and the top surface of the trapezoid block (6) is flush with the vertical end of the L-shaped base (2).
2. Wind turbine lifting device according to claim 1, characterized in that: the length of the upper middle rod body (42) is the same as that of the lower middle rod body (43), and the position between the other end of the upper middle rod body (42) and one end of the lower middle rod body (43) is on the same horizontal plane with a piston rod of the pushing hydraulic cylinder (51).
3. Wind turbine lifting device according to claim 1, characterized in that: the slot cover (311) is movably connected on the opening of the lifting slot (31) through a plurality of bolts.
4. Wind turbine lifting device according to claim 1, characterized in that: the outside of the pushing hydraulic cylinder (51) is also provided with a protective cover (53) with a matched shape.
CN202110108208.5A 2021-01-27 2021-01-27 Lifting device of wind driven generator Active CN112879234B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104276508A (en) * 2014-09-04 2015-01-14 江苏金风科技有限公司 Two-blade type lifting appliance for wind driven generator set
CN105370505A (en) * 2015-12-10 2016-03-02 清华大学 Self-liftable truss type tower frame applied to wind-driven power generating device
EP3462016A1 (en) * 2017-10-02 2019-04-03 Ventus Engineering GmbH Use of a new material in wind turbine parts and apparatus and methods hereof
US10321756B1 (en) * 2015-09-16 2019-06-18 Haw-Renn Chen Method and apparatus of a versatile holder and stand
CN210528338U (en) * 2019-08-27 2020-05-15 上海中规建设工程有限公司 Shear type screw jack with adjustable inclination angle
CN211448894U (en) * 2020-01-03 2020-09-08 河南恒源电力设计有限公司 Mounting structure suitable for small-size aerogenerator
CN112010201A (en) * 2020-08-18 2020-12-01 新昌县南明街道益华机械厂 Tower crane operation room that elevator formula goes up and down

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104276508A (en) * 2014-09-04 2015-01-14 江苏金风科技有限公司 Two-blade type lifting appliance for wind driven generator set
US10321756B1 (en) * 2015-09-16 2019-06-18 Haw-Renn Chen Method and apparatus of a versatile holder and stand
CN105370505A (en) * 2015-12-10 2016-03-02 清华大学 Self-liftable truss type tower frame applied to wind-driven power generating device
EP3462016A1 (en) * 2017-10-02 2019-04-03 Ventus Engineering GmbH Use of a new material in wind turbine parts and apparatus and methods hereof
CN210528338U (en) * 2019-08-27 2020-05-15 上海中规建设工程有限公司 Shear type screw jack with adjustable inclination angle
CN211448894U (en) * 2020-01-03 2020-09-08 河南恒源电力设计有限公司 Mounting structure suitable for small-size aerogenerator
CN112010201A (en) * 2020-08-18 2020-12-01 新昌县南明街道益华机械厂 Tower crane operation room that elevator formula goes up and down

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