CN220929578U - Truss arm suspension cable type wind power tower - Google Patents

Abstract

The utility model provides a truss arm suspension type wind power tower, which greatly reduces the comprehensive cost and promotes the healthy development of industry by changing the structures of a base and a tower barrel; the utility model adopts the technical scheme that: the utility model discloses a truss arm suspension cable type wind power tower, which comprises a wind turbine, a truss, a slewing support and a base, wherein the base is arranged on the ground, the slewing support is fixedly arranged on the base, the truss is obliquely arranged on the slewing support, the lower end of the truss is arranged on the slewing support, the wind turbine is arranged at the upper end of the truss, and a balancing weight for preventing the truss from overturning is arranged on the slewing support.

Description

Truss arm suspension cable type wind power tower

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a truss arm suspension type wind power tower.

Background

With the rapid development of wind power technology, the height of a large-scale wind turbine generator is continuously increased, the wind power tower occupies an increasingly large proportion of the whole wind turbine generator, the traditional wind power tower is a fixed tower, the tower is usually divided into multiple ends for transportation to the site for convenience of transportation, then the sites are welded and assembled, the transportation and installation cost is high, the wind turbine is installed on a very high tower, maintenance and repair work is more complex and dangerous, and the maintenance cost of the wind turbine generator is increased. In addition, the existing wind turbine generator system base is poured by reinforced concrete, so that the soil is permanently damaged, and the cost of purchasing the soil is required. The comprehensive cost is too high, so that the current wind turbine generator is always in a loss state in a quite long time, and the healthy development of the industry is not facilitated.

Disclosure of utility model

Aiming at the problem of overhigh comprehensive cost of the existing wind power, the utility model provides the truss arm suspension type wind power tower, and the comprehensive cost is greatly reduced and the healthy development of the industry is promoted by changing the structures of the base and the tower barrel.

The utility model adopts the technical scheme that: the utility model provides a truss arm suspension cable type wind power tower, includes wind turbine, truss, gyration support and base, the base sets up subaerial, fixedly be provided with gyration support on the base, gyration support is gone up the slope and is provided with the truss, the lower extreme setting of truss is on gyration support, wind turbine sets up the upper end at the truss, gyration support is last to be provided with the balancing weight of preventing truss overturning.

Further, the lower end of the truss is hinged on a rotary support, a truss inclination angle adjusting mechanism is arranged on the rotary support, and the truss inclination angle adjusting mechanism is driven by a fixed or externally connected winch to adjust the inclination angle of the truss.

Further, the base is a concrete base poured underground, a crawler-type structure placed on the ground surface, or an I-shaped climbing frame placed on the ground surface.

Further, the wind turbine is a horizontal axis wind turbine or a vertical axis wind turbine, and comprises blades, a speed reducer, a generator and a brake assembly;

when the wind turbine is a horizontal axis wind turbine, the blade is either a stall type blade or a variable pitch type blade.

Further, one end of the wind turbine is hinged to the upper end of the truss, the other end of the wind turbine is connected with the angle keeping winch fixed on the rotary support through a guy cable, and the angle keeping winch is used for adjusting the angle of the wind turbine, so that the blades of the wind turbine are always perpendicular to the wind direction.

Further, a yaw adjustment assembly for adjusting the yaw of the wind turbine is arranged on the slewing support.

Further, the balancing weights positioned on the two sides of the truss are connected with the truss through connecting pieces, so that the truss is prevented from overturning sideways.

Further, the upper side of the truss is provided with an overhaul climbing frame along the length direction of the truss, and the overhaul climbing frame is either a step ladder or a sliding rail hanging basket.

Further, the truss is of a telescopic tower structure.

Further, the upper end of the truss is suspended with a lifting hook through a fixed pulley, and the lifting hook is connected with a lifting winch fixed on the slewing support through a inhaul cable.

Compared with the prior art, the technical scheme of the utility model has the following advantages: according to the utility model, the crane structure is used for referencing, the existing steel column tower is arranged into a truss structure or a telescopic tower structure, the truss structure is assembled on site, the transportation cost and the installation cost are greatly reduced, the crawler type or fixed I-shaped climbing frame structure is adopted as the base, the land is not damaged, the land is not purchased, and the cost is greatly reduced.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which:

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

Fig. 3 is a schematic side view of the present utility model.

Fig. 4 is a schematic top view of the present utility model.

Description of the drawings: 1. a wind turbine; 2. truss; 3. a rotary support; 4. a base; 5. balancing weight; 6. truss inclination angle adjusting mechanism; 7. a connecting piece; 8. overhauling the climbing frame; 9. and (5) a lifting hook.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1 to 4, the utility model provides a truss arm suspension wind power tower, which comprises a wind power machine 1, a truss 2, a rotary support 3 and a base 4, wherein the base 4 is arranged on the ground, the rotary support 3 is fixedly arranged on the base 4, the truss 2 is obliquely arranged on the rotary support 3, the lower end of the truss 2 is arranged on the rotary support 3, the wind power machine 1 is arranged at the upper end of the truss 2, and the truss 2 is a steel structure truss, can be a double-pipe truss, a three-pipe truss, a four-pipe truss and the like, is assembled on site through a standard component, is convenient to transport and install, and greatly reduces the transportation cost and the installation cost.

The wind turbine 1 is a horizontal axis wind turbine or a vertical axis wind turbine and comprises blades, a speed reducer, a generator and a brake assembly; when the wind turbine 1 is a horizontal axis wind turbine, the blade is either a stall type blade or a variable pitch type blade.

The stall type blade can not continue to increase the rotating speed and reduce the potential safety hazard when the wind power is increased to a certain degree, and the variable pitch blade can achieve the purpose of adjusting the wind capturing capacity by adjusting the variable pitch angle, which belongs to the prior art, and is not repeated here.

The swing support 3 is provided with a balancing weight 5 for preventing the truss 2 from overturning, the balancing weights 5 and the trusses 2 which are positioned at two sides of the truss 2 are connected through a connecting piece 7, the truss 2 is prevented from overturning sideways, the balancing weight 5 is fixed or adjustable, the trusses 2 are prevented from overturning backwards and sideways by being installed at the rear part and the left side and the right side of the swing support 3, and of course, a supporting truss for preventing the truss 2 from overturning forwards is also arranged between the trusses 2 and the rear part of the swing support 3.

The lower extreme of truss 2 articulates on slewing support 3, be provided with truss inclination adjustment mechanism 6 on the slewing support 3, adjust the inclination of truss 2 through fixed or external hoist engine drive truss inclination adjustment mechanism 6, wherein, truss inclination adjustment mechanism 6 is wire rope assembly pulley structure or with the integrated configuration of cable pole.

The base 4 is a concrete base poured underground, a crawler-type structure placed on the ground surface, or an I-shaped climbing frame placed on the ground surface, so that land sign and construction operation are not needed, the environment is not damaged, the construction cost is neglected, and the construction cost is greatly reduced.

One end of the wind turbine 1 is hinged to the upper end of the truss 2, the other end of the wind turbine 1 is connected with an angle-keeping winch fixed on the rotary support 3 through a guy cable, and the angle of the wind turbine 1 is adjusted through the angle-keeping winch, so that the blades of the wind turbine 1 are always perpendicular to the wind direction, the blades are prevented from touching the truss 2, and the wind sweeping area of the blades is increased as much as possible.

The yaw adjusting component for adjusting the yaw of the wind turbine 1 is arranged on the rotary support 3, the windward direction of the wind turbine 1 can be automatically aligned by utilizing wind power in a normal state, a gear set can be used as the yaw adjusting component in a few cases to drive the rotary support 3 to rotate for wind finding, the main function of the yaw adjusting component is to adjust the windward direction of the wind turbine, avoid the windward direction, prevent the wind turbine 1 from generating faults or accidents under the condition of heavy wind,

The truss 2 upside is provided with maintenance along the length direction of truss 2 and climbs frame 8, maintenance climbs frame 8 or is the step ladder, or is the slide rail hanging flower basket, can be with the inclination of truss 2 to the minimum when overhauing, let truss 2 fall down as far as possible and reduce the height of wind turbine 1 promptly, workman accessible step ladder or slide rail hanging flower basket reach the position of wind turbine 1 and overhaul this moment, in addition, the workman also can hoist and mount maintenance hanging flower basket through lifting hook 9 and reach the maintenance position, wherein lifting hook 9 passes through the cable and is connected with the hoist and mount hoist engine that is fixed in on the gyration support 3.

The truss 2 can be replaced by a telescopic tower structure to serve as a tower.

The utility model obtains inspiration based on the crane for lifting the heavy object, solves the industry bottleneck of overhigh manufacturing cost in the current wind power industry by utilizing the crane structure, greatly reduces the cost of transportation, installation and later maintenance, does not need to damage the environment, has higher truss type tower barrel than the current wind power tower barrel, has longer wind capturing and annual operation time, and further improves the income.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims (10)

1. The utility model provides a truss arm suspension cable type wind power tower, includes wind turbine (1), its characterized in that still includes truss (2), gyration support (3) and base (4), base (4) set up subaerial, fixedly on base (4) be provided with gyration support (3), the slope is provided with truss (2) on gyration support (3), the lower extreme setting of truss (2) is on gyration support (3), wind turbine (1) set up the upper end at truss (2), be provided with balancing weight (5) of preventing truss (2) upset on gyration support (3).

2. The truss arm suspension wind power tower according to claim 1, wherein the lower end of the truss (2) is hinged on a rotary support (3), a truss inclination angle adjusting mechanism (6) is arranged on the rotary support (3), and the inclination angle of the truss (2) is adjusted by driving the truss inclination angle adjusting mechanism (6) through a fixed or externally connected winch.

3. A truss arm suspension wind power tower according to claim 1 or 2, characterized in that the foundation (4) is either a concrete foundation poured into the ground, a crawler-type structure placed on the ground, or an i-shaped climbing frame placed on the ground.

4. A truss arm suspension wind power tower according to claim 3, wherein the wind power plant (1) is a horizontal axis wind power plant or a vertical axis wind power plant, comprising blades, a speed reducer, a generator and a brake assembly;

When the wind turbine (1) is a horizontal axis wind turbine, the blade is either a stall type blade or a variable pitch type blade.

5. The truss arm suspension wind power tower according to claim 2, wherein one end of the wind turbine (1) is hinged to the upper end of the truss (2), the other end of the wind turbine (1) is connected with an angle keeping winch fixed on the slewing support (3) through a guy cable, and the angle keeping winch is used for adjusting the angle of the wind turbine (1) so that the blades of the wind turbine (1) are always perpendicular to the wind direction.

6. A truss arm suspension wind power tower according to claim 4 or 5, characterized in that the slewing bearing (3) is provided with a yaw adjustment assembly for adjusting the yaw of the wind turbine (1).

7. The truss arm suspension wind power tower according to claim 6, wherein the balancing weights (5) located on two sides of the truss (2) are connected with the truss (2) through connecting pieces (7) to prevent the truss (2) from overturning sideways.

8. The truss arm suspension wind power tower according to claim 7, wherein an overhaul climbing frame (8) is arranged on the upper side of the truss (2) along the length direction of the truss (2), and the overhaul climbing frame (8) is either a step ladder or a sliding rail hanging basket.

9. A truss arm suspension wind power tower according to claim 7 or 8, wherein said truss (2) is either a telescopic tower structure.

10. The truss arm suspension wind power tower according to claim 9, wherein a lifting hook (9) is suspended at the upper end of the truss (2) through a fixed pulley, and the lifting hook (9) is connected with a lifting winch fixed on the slewing bearing (3) through a guy rope.