CN111604868A

CN111604868A - Wind wheel mounting platform

Info

Publication number: CN111604868A
Application number: CN202010382037.0A
Authority: CN
Inventors: 段文贞; 严世宽; 崔峰; 沈力兴
Original assignee: Guangxi Branch Of China Huaneng Group Co ltd; Zhejiang Windey Co Ltd
Current assignee: Guangxi Branch Of China Huaneng Group Co ltd; Zhejiang Windey Co Ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-09-01

Abstract

The invention discloses a wind wheel mounting platform, which is flexible and convenient and quick, has a simple structure, enables a wind wheel to be easily and easily assembled, occupies a small space in the assembling process, and has low cost.

Description

Wind wheel mounting platform

Technical Field

The invention relates to a wind wheel mounting platform, in particular to a wind wheel mounting platform which enables a wind wheel to be easily assembled in a labor-saving, convenient and quick manner, occupies a small space in an assembling process and is low in cost.

Background

In the assembling process of the existing wind generating set, the wind wheel assembly is generally assembled on site due to the weight, the overall dimension and the like of related components. The common wind wheel assembly assembling process is generally as follows: the method comprises the steps of firstly placing a hub assembly on the ground, then using a main crane to lift one blade to the variable-pitch bearing installation end face of the hub assembly for assembling, and sequentially assembling the second blade and the third blade, wherein after the first blade is installed on the hub assembly, the gravity center of the hub assembly provided with the blades exceeds the original fulcrum position, namely the gravity center of the hub assembly is changed, in order to ensure that the hub assembly does not overturn, the tail end of the blade needs to be lifted by another crane to keep balance, so that the wind turbine assembly can be assembled only by two cranes, the number of outgoing shifts of the cranes in the installation process is high, the assembly cost is high, the efficiency is low, and meanwhile, the occupied area of the crane positions is large, so that great inconvenience is brought to the assembly operation.

Disclosure of Invention

The invention mainly provides the flexible wind wheel mounting platform for the wind generating set, which has the advantages of simple structure, easy and labor-saving wind wheel assembly, convenience and rapidness, small occupied space in the assembly process and low cost, and solves the technical problems of large occupied area, high assembly cost, low efficiency and the like because at least two cranes are needed in the wind wheel assembly in the prior art.

The technical problem of the invention is mainly solved by the following technical scheme: the utility model provides a wind wheel mounting platform, includes that each other supports the support section of thick bamboo on wind wheel hub terminal surface, rotates on the support section of thick bamboo and is connected left branch strut and right branch strut, and left branch strut and right branch strut support subaerial through lift adjusting lever respectively again to make wind wheel hub's focus projection be located the acute angle contained angle within range that left branch strut and right branch strut formed. The lower end face of the supporting cylinder is supported on the ground, the upper end face of the supporting cylinder is used for fixedly supporting a wind wheel hub, a left supporting arm and a right supporting arm which are connected with the supporting cylinder in a rotating mode are supported on the ground through lifting adjusting rods respectively, the gravity center of the wind wheel hub is coincided with the gravity center of the supporting cylinder before the wind wheel hub is provided with a blade, the whole supporting structure is stable, after the wind wheel hub is provided with a blade, the gravity center of a wind wheel hub assembly is changed, at the moment, the position of the circumferential direction of the left supporting arm and the position of the circumferential direction of the right supporting arm can be adjusted, so that the gravity center of the wind wheel hub assembly is located in the range of an acute angle formed by the left supporting arm and the right supporting arm; the lifting adjusting rod is adapted to uneven outdoor ground environment, and the use under various ground conditions is met; overall structure is simple, and the wind wheel equipment is light laborsaving, convenient and fast, and the assembling process occupies that the place is little, and it is nimble convenient to use, and packaging efficiency is high, need not to be equipped with equipment such as extra loop wheel machine, and construction cost is low.

Preferably, the end faces of the two ends of the supporting cylinder are respectively provided with a rotating bearing, and the inner side ends of the left supporting arm and the right supporting arm are respectively fixed on the inner ring and the outer ring of the rotating bearing. Through set up rolling bearing on the upper and lower both ends terminal surface at a support section of thick bamboo, left and right support arm is fixed respectively on upper and lower two rolling bearing's inner circle and outer lane, can realize that left and right support arm is in the independent rotation to support section of thick bamboo outer ring face relatively, simple structure, left and right support arm all links firmly from top to bottom through two rolling bearing, and stability is good.

More preferably, the rotary bearings are respectively and rollingly held between the upper end surface of the hub support and support cylinder and the lower end surface of the base and support cylinder. The hub support is used for being matched with a wind wheel hub to be installed and positioned, and the base is convenient for forming stable support and protecting a rotating bearing.

More preferably, a plurality of hub positioning holes matched with the mounting holes on the wind wheel hub are arranged on the hub supporting end face. The mounting hole is convenient for the fixed mounting of wind wheel hub.

More preferably, the left support arm and the right support arm are both adjustable telescopic structures. The telescopic left and right supporting arms can be according to blade length, and adjustment operation area that firstly can be reasonable satisfies the demand of various operating conditions, and secondly adjusts the focus position of wheel hub subassembly through adjusting supporting arm length, satisfies the installation demand of different length blades.

More preferably, the lifting adjusting rod comprises a support seat and an upright post rotatably supported on the support seat, a lower clamping plate and an upper clamping plate which can slide along the upright post are arranged on the upright post, and the left support arm or the right support arm is clamped and fixed between the corresponding lower clamping plate and the corresponding upper clamping plate. The outer end part of the supporting arm is clamped and fixed through the upper clamping plate and the lower clamping plate, the structure is simple, and the adjustment is convenient.

Preferably, the support seat comprises a lower support and a housing covering the lower support, a support ball is connected between the housing and the lower support in a rolling manner, a connecting rod is connected to the support ball, and the connecting rod penetrates through the housing and is connected to the upright post. The bottom of stand is connected on supporting the ball, and it is articulated to become universal ball through supporting the ball to satisfy the diversified fine setting of support arm, improve support stability.

Preferably, the left support arm and the right support arm are both square tubular structures. The support arm adopts square tubular structure, and light in weight makes things convenient for the fixed mounting at both ends, also does benefit to laying of support arm extending structure simultaneously.

Therefore, the wind wheel mounting platform has the following advantages:

(1) by adopting the telescopic supporting arm, the length of the supporting arm can be reasonably adjusted according to the length of the blade, and the working area is reasonably occupied;

(2) the two supporting arms are respectively and fixedly connected with the inner ring and the outer ring of the bearing, so that the included angle between the supporting arms can be conveniently adjusted;

(3) the lifting adjusting rod is suitable for uneven ground environments, and meets the use requirements of various outdoor environments;

(4) the use requirements of the original three cranes are met, and the cost is saved.

Description of the drawings:

FIG. 1 is a schematic structural view of a wind turbine mounting platform of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a partial cross-sectional view of the present invention;

fig. 4 is a schematic structural view of the elevation adjustment lever of the present invention.

The specific implementation mode is as follows:

the technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b):

as shown in fig. 1, 2 and 3, the wind wheel mounting platform of the present invention comprises a circular support cylinder 1 vertically placed on the ground, two manhole holes 9 are provided on the side wall surface of the support cylinder 1, a hub support 7 and a base 6 are coaxially mounted on both ends of the support cylinder 1 through bolts, a plurality of hub positioning holes 8 matching with the mounting holes on the wind wheel hub are uniformly distributed on the outer end surface of the hub support 7 along the circumferential direction, a rotary bearing 5 is coaxially clamped and mounted between the upper end surface of the support cylinder 1 and the hub support 7, a rotary bearing 5 is also coaxially clamped and mounted between the lower end surface and the base 6, the rotary bearing 5 is roll-supported between the hub support 7 and the end surface of the support cylinder 1 and between the base 6 and the end surface of the support cylinder 1, the inner ring of the upper and lower rotary bearings 5 is horizontally fixed with the inner end of a left support arm 2 through bolts, the outer ring of the upper and lower rotary bearings 5 is horizontally fixed with the inner end of a right, the left support arm 2 and the right support arm 3 are both telescopic structures formed by coaxially sleeving a plurality of square cylinders, the upper and lower surfaces of the left support arm 2 and the right support arm 3 are fixed with the inner and outer rings of the corresponding rotating bearings 5, the outer ends of the left support arm 2 and the right support arm 3 are both provided with a lifting adjusting rod 4, the left support arm 2 and the right support arm 3 are respectively supported on the ground through the lifting adjusting rod 4, as shown in fig. 4, wherein the lifting adjusting rod 4 comprises a support base 41 and an upright post 42 on the support base 41, a lower clamping plate 43 and an upper clamping plate 44 are sleeved and fixed on the upright post 42, the lower clamping plate 43 and the upper clamping plate 44 are clamped and fixed outside the ring surface of the upright post 42, the support base 41 further comprises a lower support 411 flatly placed on the ground, a support ball 413 is arranged in an arc groove on the upper surface of the lower support 411 corresponding to the support ball 413, the supporting ball 413 is connected between the housing 412 and the lower support 411 in a rolling manner, the connecting rod 414 is integrally connected above the supporting ball 413, the connecting rod 414 extends upwards in the radial direction and passes through a through hole in the housing 412 to be coaxially butted on the lower end of the upright post 42, the positions of the lower clamp plate 43 and the upper clamp plate 44 on the upright post 42 are adjusted up and down, and the corresponding bottom surfaces of the outer side ends of the left supporting arm 2 and the right supporting arm 3 are clamped and fixed between the corresponding lower clamp plate 43 and the corresponding upper clamp plate 44.

During the use, adjust lift adjustment pole 4, make left branch brace 2 and right branch brace 3 keep the horizontal support, install wind wheel hub on wheel hub supports 7 outer terminal surface again, make the wheel hub on the mounting hole align wheel hub to support wheel hub locating hole 8 on the 7 terminal surfaces and through the bolt-up, adjust the circumference position of left branch brace 2 and right branch brace 3, then install one of them blade on wind wheel hub, the focus projection that makes the wind wheel hub who is equipped with the blade is located the acute angle contained angle within range that left branch brace 2 and right branch brace 3 formed, and then form reliable and stable support to wind wheel hub.

The specific embodiments described herein are merely illustrative of the principles of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A wind wheel mounting platform which is characterized in that: including supporting a section of thick bamboo (1) on wind wheel hub terminal surface mutually supporting, rotate on a support section of thick bamboo (1) and be connected left branch brace (2) and right branch brace (3), left branch brace (2) and right branch brace (3) are supported subaerial through lift adjustment pole (4) again respectively to make wind wheel hub's focus projection be located the acute angle contained angle within range that left branch brace (2) and right branch brace (3) formed.

2. A wind turbine mounting platform according to claim 1, wherein: and the end faces of two ends of the supporting cylinder (1) are respectively provided with a rotating bearing (5), and the inner side ends of the left supporting arm (2) and the right supporting arm (3) are respectively fixed on the inner ring and the outer ring of the rotating bearing (5).

3. A wind turbine mounting platform according to claim 2, wherein: the rotating bearing (5) is respectively clamped between the upper end surfaces of the hub support (7) and the support cylinder (1) and between the lower end surfaces of the base (6) and the support cylinder (1) in a rolling manner.

4. A wind turbine mounting platform according to claim 3, wherein: the end face of the hub support (7) is provided with a plurality of hub positioning holes (8) which are matched with the mounting holes on the wind wheel hub.

5. A wind turbine mounting platform according to claim 1, wherein: the left supporting arm (2) and the right supporting arm (3) are both adjustable telescopic structures.

6. A wind turbine mounting platform according to claim 1, wherein: the lifting adjusting rod (4) comprises a supporting seat (41) and an upright post (42) rotatably supported on the supporting seat (41), a lower clamping plate (43) and an upper clamping plate (44) which can slide along the upright post (42) are arranged on the upright post (42), and the left supporting arm (2) or the right supporting arm (3) is clamped and fixed between the corresponding lower clamping plate (43) and the corresponding upper clamping plate (44).

7. A wind turbine mounting platform according to claim 1, wherein: the supporting seat (41) comprises a lower support (411) and a housing (412) covering the lower support (411), a supporting ball (413) is connected between the housing (412) and the lower support (411) in a rolling mode, a connecting rod (414) is connected to the supporting ball (413), and the connecting rod (414) penetrates through the housing (412) and is connected to the upright post (42).

8. A wind turbine mounting platform according to claim 1, wherein: the left supporting arm (2) and the right supporting arm (3) are both square tubular structures.