CN211202207U

CN211202207U - Small wind driven generator with higher stability

Info

Publication number: CN211202207U
Application number: CN202020016137.7U
Authority: CN
Inventors: 许长乐; 孙玉锋; 华原; 李金晓; 朱超
Original assignee: Henan Hengyuan Electric Power Design Co ltd
Current assignee: Henan Hengyuan Electric Power Design Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-08-07
Anticipated expiration: 2030-01-03

Abstract

The utility model relates to a higher small-size aerogenerator of stability, including base and a tower section of thick bamboo, the base is inwards provided with the recess, the bottom fixed connection of a tower section of thick bamboo is in the recess, the base side is equipped with a plurality of horizontal poles, the horizontal pole is certain angle slope setting, the one end that horizontal pole and fixing base are connected is higher than the one end of keeping away from the fixing base, the bottom that a tower section of thick bamboo is located more than ground is provided with the mount, the mount cover is established in the tower section of thick bamboo outside, the cross section of mount is triangle-shaped, form the interval space between tower section of thick bamboo outer wall and the mount inner wall, from last evenly connected with the anchor strut down between tower section of thick bamboo outer wall and the mount inner wall. The utility model discloses it is little to have the occupation of land space, can effectively improve the effect of small-size aerogenerator stability.

Description

Small wind driven generator with higher stability

Technical Field

The utility model belongs to the technical field of wind power generation equipment's technique and specifically relates to a small-size aerogenerator that stability is higher is related to.

Background

With the increasing exhaustion of energy sources, many countries begin to explore new energy sources and have obvious breakthroughs. The wind driven generator is a device which is developed, designed and invented by scientists for many years. The wind power generator converts wind energy into mechanical work, the mechanical work drives the rotor to rotate, and alternating current is finally output. The wind energy generator can not generate air pollution, is a cleaner energy source, and is especially a small wind energy generator, because the installation is simple, and the generator has certain generating power, the generator is widely applied to power supply in agriculture and animal husbandry and small markets. The small wind-driven generator generally comprises wind wheels, a generator, a direction regulator, a tower, a speed-limiting safety mechanism, an energy storage device and other components.

The current chinese utility model patent with publication number CN202132187U discloses a wind generating set inhaul cable type tower structure, include: the tower drum is uniformly provided with a plurality of upper inhaul cable fixing devices on the circumference; the base is used for supporting and fixing the tower drum; and a plurality of pull cables are arranged corresponding to the upper pull cable fixing device, one ends of the pull cables are fixedly connected to the tower drum through the upper pull cable fixing device and extend outwards and downwards along each direction, and the other ends of the pull cables are fixed on a foundation. The utility model discloses a wind generating set inhaul cable formula pylon structure that provides has solved production, transportation, the installation cost height that current stand alone type pylon structure exists, and the extravagant problem of basic design ensures that the fan moves safely and stably.

The above prior art solutions have the following drawbacks: when small-size aerogenerator is fixed in the installation, need additionally pre-buried ground on the generator open space all around, stay cable one end and ground fixed connection, one end is connected with a tower section of thick bamboo, and area is great, hardly installs the use near some nervous market in land, under the softer condition of ground, only leans on the stay cable to hardly guarantee the stability of a tower section of thick bamboo. The cable-stayed fixing mode generally occupies a large land area and has low stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a small-size aerogenerator that stability is higher, it has the effect that the area of occupation soil is little and the stability in use is higher to prior art exists not enough.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a small wind driven generator with higher stability comprises a tower barrel and an engine room arranged at the top of the tower barrel, wherein a base is arranged at the bottom of the tower barrel, a groove is formed in the upper surface of the base, and the bottom of the tower barrel is fixedly connected in the groove; the utility model discloses a fixing device for a tower, including a base, a horizontal pole, a locating component, a lateral wall, a plurality of anchor rods, a fixing base, locating component, horizontal pole slope setting, the vertical direction of horizontal pole and pedestal connection's one end is higher than the one end of keeping away from the fixing base, the one end that the horizontal pole was kept away from to taut rope and the lateral wall fixed connection of a tower section of thick bamboo.

By adopting the technical scheme, firstly, the transverse support rods improve the stability of the base embedded in the soil body, the base can still keep stronger stability even in a softer foundation, and the tower barrel is further kept stable under the conditions of strong wind and the like; the fixing frame is additionally arranged on the outer side of the tower barrel and is arranged in a circular truncated cone shape, so that the gravity center of the tower barrel is lowered, the overall stability of the tower barrel is improved, the stability of the small wind driven generator in the working process of a large wind power area is effectively improved, and the overall occupied land area is small; in the long-term use process, the part that the tower section of thick bamboo was buried in the base probably takes place to become flexible, and taut rope gives the pulling force of tower section of thick bamboo each direction, has guaranteed the stability of tower section of thick bamboo.

The present invention may be further configured in a preferred embodiment as: the base bottom is provided with a plurality of lugs downwards, the lugs extend to the soil body below.

Through adopting above-mentioned technical scheme, can become soft in the weather base both sides foundation that falls to rain of continuation, the lug has guaranteed the stability of base in the soil body.

The present invention may be further configured in a preferred embodiment as: the one end that base was kept away from to horizontal pole and lug all is provided with the stopper.

Through adopting above-mentioned technical scheme, the stopper makes the connection between horizontal pole and the soil body more firm, has further improved the stability of base in the soil body in some softer foundations, and then the stability when guaranteeing tower section of thick bamboo operation.

The present invention may be further configured in a preferred embodiment as: the height of the fixed frame is set as 1/3 of tower height.

Through adopting above-mentioned technical scheme, the too high construction that is unfavorable for of mount to the too high resistance that receives of mount also can corresponding increase, sets up to 1/3, has both played the effect of fixed tower section of thick bamboo and has effectively reduced the focus height of a tower section of thick bamboo again, has further improved the stability of a tower section of thick bamboo.

The present invention may be further configured in a preferred embodiment as: the diameter of the reinforcing rods increases from top to bottom.

Through adopting above-mentioned technical scheme for the quality of mount lower part effectively improves, has effectively reduced the focus of mount, and it is more firm when a tower section of thick bamboo is fixed to further make the mount, makes small-size aerogenerator more stable when the operation.

The present invention may be further configured in a preferred embodiment as: and a support rod is arranged between the outer wall of the top of the tower barrel and the engine room, and the support rod can rotate along the outer wall.

By adopting the technical scheme, in the operation process of the small wind driven generator, in order to better meet the wind direction, the direction of the cabin at the top of the small wind driven generator can be adjusted along with the wind direction, and the supporting rods provide certain supporting force for the cabin on one hand, so that the connection stability between the cabin and the fixing frame is effectively enhanced; on the other hand, the stability of the engine room is guaranteed when the direction of the tower barrel is adjusted, and the stable effect of the small wind driven generator is further achieved when the small wind driven generator operates.

The present invention may be further configured in a preferred embodiment as: the bracing piece is provided with a plurality ofly, and is a plurality of the bracing piece sets up about tower section of thick bamboo vertical axis symmetry.

By adopting the technical scheme, the engine room is supported in all directions, and the stability of the small wind driven generator in operation is further improved.

The present invention may be further configured in a preferred embodiment as: the top of the tower barrel is provided with a lantern ring, and the lantern ring is fixedly connected with the tensioning rope.

Through adopting above-mentioned technical scheme, make taut rope and tower section of thick bamboo be connected inseparabler under the intensity prerequisite of not destroying tower section of thick bamboo itself.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the improved arrangement of the base, the arrangement of the fixing frame arranged outside the tower barrel and the arrangement of the stay cables, the base is fixed more stably, and the stability between the tower barrel and the base and the stability of the tower barrel in the vertical direction are ensured;

2. the center of gravity of the tower drum and the fixing frame is effectively moved downwards by setting the diameter of the reinforcing rod to be small at the top and large at the bottom and setting the truncated cone-shaped fixing frame, so that the stability of the tower drum is improved;

3. through the setting of taut rope and setting up the bracing piece between cabin and the tower section of thick bamboo, guaranteed the stability at tower section of thick bamboo top.

Drawings

FIG. 1 is a cross-sectional view of a small wind generator;

FIG. 2 is a schematic perspective view of a small wind turbine;

fig. 3 is a partially enlarged view of a in fig. 1.

In the figure, 1, a tower; 2. a base; 21. a positioning assembly; 3. a groove; 4. a cross bar; 5. a fixed mount; 6. a reinforcing rod; 7. a fixed seat; 8. a bump; 9. a limiting block; 10. a support bar; 11. a nacelle; 101. a flange; 102. round corners; 103. a sliding ball; 12. a collar; 13. a circular ring; 14. the rope is tensioned.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a stability is higher small-size aerogenerator, including a tower section of thick bamboo 1 and base 2, base 2 is pre-buried in the soil body, and base 2 is provided with recess 3 from the upper surface downwards, and recess 3's diameter more than or equal to a tower section of thick bamboo 1's diameter, recess 3's the degree of depth set up to about 1/10 of a tower section of thick bamboo 1 height, guarantee that a tower section of thick bamboo 1 has partly to be in among the recess 3, guaranteed the stability of being connected between a tower section of thick bamboo 1 bottom and the.

Referring to fig. 1 and 2, the base is provided with a positioning assembly 21, the positioning assembly comprises a cross rod 4 extending from the side wall of the base 2 to the surrounding soil body and a tensioning rope 14 fixedly connected between the cross rod 4 and the tower drum 1, the stability of the base 2 and the tower drum 1 is improved by the setting, in order to improve the stability of the connection between the base 2 and the soil body, the cross rod 4 is arranged to be inclined, the height of one end, far away from the base 2, of the cross rod 4 is lower than that of one end connected with the base 2, a convex block 8 is arranged in the bottom surface, facing the soil body, of the base 2, and the stability of the connection of the base.

Referring to fig. 1, the bottom outside that tower section of thick bamboo 1 is located base 2 top part is provided with mount 5, mount 5 sets up to the round platform form, mount 5 highly sets up to 1/3 of tower section of thick bamboo 1 height, be connected with cylindric anchor strut 6 between the inner wall of mount 5 and the 1 outer wall of tower section of thick bamboo, it sets up to be triangle-shaped between the anchor strut 6, anchor strut 6 from the top down diameter increases in proper order, 7 bottom of fixing base are provided with fixing base 7, fixing base 7 and base 2 bolted connection, the aforesaid is set for and has effectively reduced the mount focus, make mount 5 more effective to the fixed action of tower section of thick bamboo 1, the steadiness of tower section of thick bamboo 1 bottom has been guaranteed, make tower section.

Referring to fig. 1 and 2, an inverted circular truncated cone-shaped flange 101 is arranged on the outer wall below the nacelle, the flange 101 is hollow, a round corner 102 is formed at the edge of the upper end of the flange 101 and is chamfered towards the direction of the tower barrel 1, a support rod 10 is arranged below the nacelle, two support rods 10 are arranged on the vertical axis of the tower barrel 1, a sliding ball 103 is arranged at one end of each support rod 10, the sliding ball 103 is connected in the round corner 102 in a sliding manner, the other end of each support rod 10 is fixedly connected with the nacelle, when the nacelle is adjusted in the direction to rotate around the tower barrel 1, the support rods 10 can rotate around the tower barrel 1 along with the nacelle, and.

Referring to fig. 1 and 3, a lantern ring 12 is arranged on the outer wall of the tower barrel 1 above the fixing frame in a circle, a circular ring 13 is arranged on the cross rod 4, a circular ring 13 is also arranged on the lantern ring 12 corresponding to the cross rod 4, the circular ring 13 on the cross rod 4 is connected with the circular ring 13 on the lantern ring 12 through a tensioning rope 14, and in strong wind weather, the tensioning rope 14 ensures stable stress around the tower barrel 1, so that the stability of the top of the tower barrel 1 is ensured.

The implementation principle of the embodiment is as follows: the installation process comprises the following steps: firstly, transporting related parts of the small wind driven generator to corresponding positions, and pre-assembling; secondly, digging a foundation pit downwards at a position where a small wind driven generator is to be installed, supporting a template, pouring concrete to form a base 2 in the template supporting process, reserving a groove 3 in the base 2, wherein the diameter of the groove 3 is larger than or equal to that of the tower barrel 1, and prefabricating a circular ring 13 on the cross rod 4; thirdly, hoisting the tower drum 1, placing the tower drum 1 in the groove 3, and filling the gap between the tower drum 1 and the groove 3 with concrete; fourthly, manufacturing a fixing frame 5, and welding a support rod 10 between the inner wall of the fixing frame 5 and the outer wall of the tower barrel 1; next, one end of the tension rope 14 is fixedly connected to the ring 13 on the cross bar 4, and the other end of the tension rope penetrates through the soil body and is fixedly connected with the ring 13 on the lantern ring 12. The installation is completed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a stability is higher small-size aerogenerator, includes tower section of thick bamboo (1), establishes cabin (11) at tower section of thick bamboo (1) top, its characterized in that: a base (2) is arranged at the bottom of the tower drum (1), a groove (3) is formed in the upper surface of the base (2), and the bottom of the tower drum (1) is fixedly connected in the groove (3);

the upper surface of the base (2) is provided with a fixed frame (5), the fixed frame (5) is in a round table shape, a plurality of reinforcing rods (6) are connected between the outer wall of the tower tube (1) and the fixing frame (5), the bottom of the fixed mount (5) is provided with a fixed seat (7), the fixed mount (5) is fixedly connected on the base (2) through the fixed seat (7), the base (2) is provided with a positioning component (21), the positioning component (21) comprises a plurality of cross rods (4) arranged on the side surface of the base (2) and a tensioning rope (14) fixedly connected to the cross rods (4), the cross bar (4) is obliquely arranged, one end of the cross bar (4) connected with the base (2) is higher than one end far away from the fixed seat (7) in the vertical direction, one end of the tensioning rope (14) far away from the cross bar (4) is fixedly connected with the side wall of the tower drum (1).

2. The small wind driven generator with higher stability is characterized in that a plurality of convex blocks (8) are arranged at the bottom of the base (2) downwards, and the convex blocks (8) extend into the soil below.

3. The small wind driven generator with higher stability is characterized in that the cross rod (4) and one end of the lug (8) far away from the base (2) are provided with limit blocks (9).

4. The small wind driven generator with higher stability is characterized in that the height of the fixing frame (5) is set to 1/3 of the height of the tower (1).

5. A more stable compact wind turbine generator as claimed in claim 1, wherein: the diameter of the reinforcing rod (6) increases from top to bottom.

6. A more stable compact wind turbine generator as claimed in claim 1, wherein: a supporting rod (10) is arranged between the outer wall of the top of the tower barrel (1) and the engine room (11), and the supporting rod (10) can rotate along the outer wall.

7. A more stable compact wind turbine generator as claimed in claim 6, wherein: the supporting rods (10) are arranged in a plurality, and the supporting rods (10) are symmetrically arranged around the vertical axis of the tower barrel (1).

8. A more stable compact wind turbine generator as claimed in claim 1, wherein: a lantern ring (12) is arranged at the top of the tower barrel (1), and the lantern ring (12) is fixedly connected with a tensioning rope (14).