阅读说明：本技术 一种风力发电机升降装置 (Lifting device of wind driven generator ) 是由 刘文叶 于 2021-01-27 设计创作，主要内容包括：本发明提供一种风力发电机升降装置,涉及风力发电技术领域,包括基座,基座的顶面上固定设置有L形底座,L形底座的水平端上固定垂直设置有塔架,塔架为中空圆柱体状结构,塔架的外周壁上设置有升降槽,升降槽的开口上活动设置有形状相适配的槽盖,升降槽内活动设置有升降杆装置,升降杆装置上设置有风力发电机安装架,且风力发电机安装架位于塔架的外部,升降杆装置包括主杆体、上中间杆体、下中间杆体和副杆体,主杆体、上中间杆体、下中间杆体和副杆体之间依次首尾连接,且主杆体的一端与风力发电机安装架固定连接。本发明具有能够对风力发电机的高度实现调节,从而便于维护和检修的等优点。(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. The invention has the advantages that the height of the wind driven generator can be adjusted, thereby facilitating maintenance and overhaul, and the like.)

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 at 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 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 one end of the main rod body (41) is fixedly connected with the wind driven generator mounting frame (32), the other end of the main rod body (41) is hinged to one end of the upper middle rod body (42), the other end of the upper middle rod body (42) is hinged to one end of the lower middle rod body (43), the other end of the lower middle rod body (43) is hinged to 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, and the other ends of the main rod body (41) and the auxiliary rod body 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), and main drive gear (416) and auxiliary drive gear (446) mesh between with main rack (414) and auxiliary rack (444) respectively, be provided with riser adjusting device (5) on the vertical end of L shape base (2), riser adjusting device (5) are including promoting pneumatic cylinder (51), promote on the vertical end of hydraulic cylinder (51) fixed setting L shape base (2), the piston rod activity of promoting pneumatic cylinder (51) runs through capping (311), and the piston rod of promoting pneumatic cylinder (51) articulates on the periphery wall of pivot (45) between the other end of the upper intermediate rod body (42) and the one end of lower intermediate rod body (43).

2. Wind turbine lifting device according to claim 1, characterized in that: 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 to one are arranged at one end of the lower middle rod body (43), clamping grooves (432) corresponding to the clamping blocks (422) one to 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), and 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).

3. 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).

4. Wind turbine lifting device according to claim 1, characterized in that: l shape base (2) are fixed to be set up in the one end of base (1) top surface, and the other end activity of base (1) is provided with trapezoidal piece groove, and trapezoidal piece inslot activity is provided with trapezoidal piece (6), and the bottom surface of trapezoidal piece (6) flushes with the bottom surface of base (1), and the top surface of trapezoidal piece (6) flushes with the perpendicular end of L shape base (2).

5. 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.

6. 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.

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 need 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 destroy 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 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, one end of the main rod body is fixedly connected with the wind driven generator mounting frame, and the other end of, 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, 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.

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.

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 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, 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, the 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, 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; 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 gear 446 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 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 without taking the rotating shaft 45 as a shaft, 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, 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 gear 446 drives the auxiliary driving gear 446 to rotate, so that the auxiliary rod body 44 penetrates through the lower fixing frame sleeve 441 to move in the direction 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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.