CN214118383U

CN214118383U - Wind power variable pitch bearing stud stretching balanced type suspension system

Info

Publication number: CN214118383U
Application number: CN202023112266.5U
Authority: CN
Inventors: 郑亚运; 陈皓; 陈先进; 陈翔; 朱斌辉
Original assignee: Huayi Wind Energy Co ltd
Current assignee: Huayi Wind Energy Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-03
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to a wind-powered electricity generation becomes tensile balanced type suspension of oar bearing double-screw bolt, combination mobile suspension include 2 floorbars, and the floorbar lower part is equipped with universal caster, and 4 groups of 2 bracing pieces that stack are installed to the floorbar upper portion, and the bracing piece of lower part is equipped with the curb girder with the floorbar both sides, the bracing piece top on upper portion is installed the back timber, is equipped with the side stub beam between the bracing piece, is equipped with 2 slide rail seam between the back timber of both sides, is equipped with the top stub beam between the slide rail seam, slide rail seam both ends are equipped with the baffle, are equipped with the coaster in the slide rail seam track; the spring balancer is installed on the pulley, the stretcher lifting appliance assembly is installed with the stretcher, the hanging plate is provided with a mounting hole, and the stretcher lifting appliance assembly and the stretcher are both installed on the spring balancer. The utility model discloses collocation spring balancer, slide rail make operating personnel can remove the elongator with very little power dismouting, reduce intensity of labour.

Description

Wind power variable pitch bearing stud stretching balanced type suspension system

Technical Field

The utility model relates to a wind-powered electricity generation becomes tensile balanced type suspension of oar bearing double-screw bolt.

Background

In the assembling process of the wind generating set, the mounting requirement of the stud of the variable pitch bearing is high, and the stud is often mounted and fastened by using a bolt stretcher. During stretching, workers stand on two sides of a variable pitch bearing respectively, the lifting stretchers are installed on the studs to conduct diagonal stretching (the weight of each 1M 36 bipolar stretcher is about ten-odd kilograms), and after stretching of one stud is finished, the stretcher is detached and installed on the adjacent stud to continue stretching. 3 variable pitch bearings need to be installed on one hub, and personnel need to lift the bearings circularly for hundreds of times, so that the labor intensity is very high. And because some studs are very high in position, the lifting stretcher at the high point has potential safety hazards.

The spring balancer, also called elastic jack, is an auxiliary tool for realizing self-gravity moment balance of suspended heavy objects by using the tension of internal coil springs, and an operator can easily walk up and down in the spring balancer by using small force, and the spring balancer is commonly used in assembly lines and various fixed position occasions. Three pitch bearings on the hub are uniformly distributed on the circumference, the position needs to be frequently moved during stretching, the weight of the hub reaches dozens of tons, the hub is inconvenient to transport, and an operator needs to carry an appliance to another station after the stretching of one hub is completed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind-powered electricity generation becomes tensile balanced type suspension of oar bearing double-screw bolt to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a wind power variable pitch bearing stud stretching balanced type suspension system comprises a combined movable suspension, a spring balancer and a stretcher lifting appliance assembly;

the combined movable suspension comprises 2 bottom beams, universal casters are arranged at the lower parts of the bottom beams, 4 groups of 2 stacked supporting rods are arranged at the upper parts of the bottom beams, side beams are arranged on the two sides of the supporting rods at the lower parts and the bottom beams, top beams are arranged at the tops of the supporting rods at the upper parts, side short beams are arranged between the supporting rods, 2 sliding rail welding joints are arranged between the top beams at the two sides, top short beams are arranged between the sliding rail welding joints, baffles are arranged at the two ends of the sliding rail welding joints, and a pulley is arranged in a sliding rail welding track;

the stretcher spreader assembly comprises: 2 stretching device hoops, and hanging plates are arranged between gaps at the upper parts of the hoops;

the spring balancer is installed on the pulley, the stretcher lifting appliance assembly is installed with the stretcher, the hanging plate is provided with a mounting hole, and the stretcher lifting appliance assembly and the stretcher are both installed on the spring balancer.

Preferably, the connecting fasteners of the components of the combined mobile suspension are universal fasteners.

Preferably, the mounting hole is a slot hole.

Preferably, the slide rail is welded with 2 pieces.

Preferably, the two welded ends of the sliding rail are provided with buffers.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the spring balancer and the slide rail are matched, so that an operator can disassemble and assemble the movable stretcher with small force, and the labor intensity is reduced.

2. Through the stretcher of hoist subassembly centre gripping, increase the operation security.

3. The suspension is provided with universal casters, which is convenient for moving between stations.

4. Each part of the suspension is connected through bolts, so that the suspension can be disassembled, is convenient to store and transport, saves space, has high part interchangeability, and can be partially replaced to adapt to different working conditions.

Drawings

Fig. 1 is an application schematic diagram of the wind power pitch bearing stud stretching balanced type suspension system of the present invention;

fig. 2 is a schematic structural view of the combined movable suspension of the present invention;

FIG. 3 is a partial sectional view of the welded joint of the top beam and the slide rail of the present invention;

FIG. 4 is a partial cross-sectional view of the slide rail welding of the present invention;

FIG. 5 is a schematic view of the baffle structure of the present invention;

fig. 6 is an exploded view of the spreader component of the present invention.

In the figure: 1. a combined mobile suspension; 2. a spring balancer; 3. a tensioner spreader assembly; 5. a pitch bearing; 6. a bottom beam; 7. a side beam; 8. a support bar; 9. short side beams; 10. a top beam; 11. welding the sliding rails; 12. a top short beam; 13. a baffle plate; 14. a buffer; 15. a pulley; 16. a stretcher hoop; 17. a hanger plate; 18. a stretcher; 19. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a wind turbine pitch bearing stud stretching balanced suspension system includes a combined movable suspension 1, a spring balancer 2 and a stretcher spreader assembly 3;

the combined movable suspension 1 comprises 2 bottom beams 6, universal casters 5 are arranged at the lower parts of the bottom beams 6, 4 groups of 2 stacked supporting rods 8 are arranged at the upper parts of the bottom beams 6, side beams 7 are arranged on the two sides of the supporting rods 8 at the lower parts and the bottom beams 6, top beams 10 are arranged at the tops of the supporting rods 8 at the upper parts, side short beams 9 are arranged between the supporting rods 8, 2 sliding rail welding joints 11 are arranged between the top beams 10 at the two sides, top short beams 12 are arranged between the sliding rail welding joints 11, baffles 13 are arranged at two ends of the sliding rail welding joints 11, and a pulley 15 is arranged in a rail of the sliding rail welding joints 11;

the stretcher spreader assembly 3 comprises: 2 stretching device hoops, and a hanging plate 17 is arranged between gaps at the upper part of the hoops 16;

the spring balancer 2 is installed on the pulley 15, the stretcher lifting appliance component 3 is installed by a stretcher 18, the hanging plate 17 is provided with a mounting hole 19, and the stretcher lifting appliance component 3 and the stretcher 18 are both installed on the spring balancer 2.

In the present embodiment, the connecting fasteners of the components of the combined mobile suspension 1 are universal fasteners. The installation is convenient.

In this embodiment, the mounting hole 19 is a slot hole. The lifting angle of the stretcher 18 can be adjusted.

In this embodiment, there are 2 slide rail welds 11. Reduce the axial movement of the tool and 2 the problem of tackle collision during personal operation.

In this embodiment, the two ends of the sliding rail welding joint 11 are provided with buffers 14. Reducing the impact sound and protecting the member.

When the combined movable suspension frame is used, the combined movable suspension frame 1 is assembled firstly, then the spring balancer 2 is installed on the pulley 15, the stretcher lifting appliance component 3 is installed on the stretcher 18, the inclination angle of the stretcher 18 during lifting is adjusted to be consistent with the inclination angle of the variable pitch bearing 5 through the notch on the hanging plate 17, the stretcher lifting appliance component 3 and the stretcher 18 are installed on the spring balancer 2, the spring balancer 2 is adjusted to be in moment balance, during stretching operation, the stretcher 18 close to the variable pitch bearing 5 is used for stretching an upper half-circle stud, the stretcher 18 far away from the variable pitch bearing 5 is used for stretching a lower half-circle stud, and the two opposite angles are fastened.

It can be understood that the four universal casters are arranged at the bottom of the combined movable suspension 1, so that the movement between stations can be facilitated; the top is provided with a sliding rail seam 11 and a pulley 15, and a stretcher 18 can move transversely in the working range. The suspension span is greater than the hub horizontal projection diameter, conveniently moves to another installation face of hub.

The spring balancer 2 is hung on the pulley 15, and self-gravity torque balance with the stretcher is realized through the pulling force of an internal coil spring, so that the spring balancer can be easily moved up, down, left and right in an operation range.

The stretcher spreader component 3 can clamp the stretcher 18 to enable the stretcher to be hung on the spring balancer 2, and meanwhile, the position of a hanging point can be adjusted, so that the stretcher can be conveniently adjusted to a proper angle.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A wind power variable pitch bearing stud stretching balanced type suspension system is characterized by comprising a combined movable suspension (1), a spring balancer (2) and a stretcher lifting appliance assembly (3);

the combined movable suspension (1) comprises 2 bottom beams (6), universal casters (5) are arranged at the lower part of each bottom beam (6), 4 groups of 2 stacked supporting rods (8) are arranged at the upper part of each bottom beam (6), side beams (7) are arranged on the two sides of each supporting rod (8) and the bottom beam (6) at the lower part, top beams (10) are arranged at the tops of the supporting rods (8) at the upper part, side short beams (9) are arranged between the supporting rods (8), 2 sliding rail welding joints (11) are arranged between the top beams (10) at the two sides, a top short beam (12) is arranged between the sliding rail welding joints (11), baffles (13) are arranged at the two ends of each sliding rail welding joint (11), and a pulley (15) is arranged in a rail of each sliding rail welding joint (11);

the tensioner spreader assembly (3) comprises: 2 stretching device hoops, and a hanging plate (17) is arranged between the gaps at the upper parts of the hoops (16);

the spring balancer (2) is installed on the pulley (15), the stretcher lifting appliance component (3) is installed by the stretcher (18), the hanging plate (17) is provided with a mounting hole (19), and the stretcher lifting appliance component (3) and the stretcher (18) are both installed on the spring balancer (2).

2. The wind power pitch bearing stud stretch balanced suspension system according to claim 1, characterized in that the connecting fasteners of the components of the combined movable suspension (1) are universal fasteners.

3. The wind power pitch bearing stud stretch balanced suspension system according to claim 1, wherein the mounting holes (19) are slotted holes.

4. The wind power pitch bearing stud tension balanced type suspension system according to claim 1, wherein 2 sliding rail welding joints (11) are provided.

5. The wind power pitch bearing stud tension balanced type suspension system according to claim 1, characterized in that buffers (14) are arranged at two ends of the sliding rail welding joint (11).