CN218030450U

CN218030450U - Guy cable type wind power tower cylinder

Info

Publication number: CN218030450U
Application number: CN202222478328.7U
Authority: CN
Inventors: 王志峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-12-13
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a guy cable type wind power tower cylinder, which comprises a tower cylinder body and a plurality of guys, wherein the tower cylinder body comprises a plurality of tower cylinder sections and at least one guy cable flange, the tower cylinder sections are sequentially connected in the up-down direction, the guy cable flange is positioned between two adjacent tower cylinder sections, the guy cable flange comprises a ring body and a plurality of lug parts connected with the outer peripheral surface of the ring body, and the ring body is connected with each of the two adjacent tower cylinder sections; one end of each of the stay ropes is connected with the ear in a one-to-one correspondence mode, the other end of each stay rope is connected with an anchoring point, and the anchoring point and the tower cylinder body are spaced in the radial direction of the tower cylinder body. The utility model provides a drag-line wind power tower cylinder is through connecting a plurality of cables between the anchor point on the side of tower cylinder body and ground, and the atress footpath of increase wind power tower cylinder improves wind power tower cylinder's atress performance.

Description

Guy cable type wind power tower cylinder

Technical Field

The utility model belongs to the technical field of the wind-powered electricity generation technique and specifically relates to a dragline-type wind power tower cylinder is related to.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy. Wind power energy is a clean and pollution-free renewable energy. The wind power plant has high power generation amount, stable fan operation and mature manufacturing technology, and is widely put into use in recent years. Wind power tower cylinder belongs to high-rise structure, and highly generally higher bears great level and vertical load, and wind power tower cylinder among the prior art has the stress path to distribute the inequality, the node atress performance is not good problem, influences wind power tower cylinder's structural stability, can lead to the emergence of incident when serious.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a drag-line wind power tower cylinder.

The embodiment of the utility model provides a drag-line wind power tower cylinder, include: the tower comprises a tower body, wherein the tower body comprises a plurality of tower sections and at least one stay cable flange, the tower sections are sequentially connected in the vertical direction, the stay cable flange is positioned between every two adjacent tower sections, the stay cable flange comprises a ring body and a plurality of lug parts connected with the outer peripheral surface of the ring body, in the two adjacent tower sections with the stay cable flange, a first ox leg part is arranged at the bottom of the tower section above, a second ox leg part is arranged at the top of the tower section below, the first ox leg part, the ring body and the second ox leg part are connected with each other through connecting bolts, the lug parts comprise a first lug plate and a second lug plate, the first lug plate and the second lug plate are arranged at intervals in a first direction, and the first direction is mutually vertical to the axial direction of the ring body;

the cable comprises a plurality of cables, one ends of the cables are connected with the ears in a one-to-one correspondence mode, the other ends of the cables are connected with anchoring points, the anchoring points are spaced from the tower body in the radial direction of the tower body, a first connecting end is arranged at one end of each cable, a second connecting end is arranged at the other end of each cable, the first connecting end is matched between a first ear plate and a second ear plate of the corresponding ear, a connecting bolt penetrates through each of the first ear plate, the first connecting end and the second ear plate to connect one end of each cable with the corresponding ear, a connecting piece is arranged at each anchoring point and comprises a first connecting plate and a second connecting plate, the first connecting plate is opposite to the second connecting plate, the second connecting end is matched between the first connecting plate and the second connecting plate of the corresponding connecting piece, and the connecting bolt penetrates through each of the first connecting plate, the second connecting end and the second connecting plate to connect the other end of each cable with the corresponding anchoring point.

The embodiment of the utility model provides a drag-line wind power tower section of thick bamboo is through connecting a plurality of cables between the anchor point on the side of tower cylinder body and ground, and increase wind power tower section of thick bamboo's atress footpath improves wind power tower section of thick bamboo's atress performance, when wind power tower section of thick bamboo suffered stronger wind-force effect, the cable can carry out effective dispersion with wind power tower section of thick bamboo's load, improves wind power tower section of thick bamboo's structural stability, avoids wind power tower section of thick bamboo to receive the phenomenon that strong wind-force effect took place to incline or even topple over for a long time.

Optionally, the first and second calf portions each extend inwardly.

Optionally, in two tower tube sections adjacent to the cable flange, the tower tube section located above is a straight tube section, and the tower tube section located below is a tapered tube section.

Optionally, in two tower sections adjacent to the stay cable flange, the sizes of the bottom of the tower section located above, the ring body, and the top of the tower section located below are matched with each other.

Optionally, a concrete pile is arranged at the anchoring point, the bottom of the concrete pile is buried in the ground, and the top of the concrete pile is provided with the connecting piece.

Optionally, a projection of the guy cable on a horizontal plane extends in a radial direction of the tower body.

Optionally, a plurality of the ears of the cable flange are symmetrically distributed in the circumferential direction of the ring body.

Optionally, the plurality of cable flanges are spaced apart by at least one tower section in the up-down direction.

Optionally, the bottom of the tower body is larger in size than the top thereof.

Optionally, the stay cable includes a stay cable rope and a connection end connected to an end of the stay cable rope, and the stay cable rope is a pre-stressed rope.

Drawings

Fig. 1 is a schematic structural diagram of a guyed wind power tower provided by an embodiment of the present invention.

Fig. 2 is a partial schematic view of a guyed wind power tower provided by the embodiment of the present invention.

Fig. 3 is a top view of a partial schematic view of a guyed wind tower provided by an embodiment of the present invention.

Fig. 4 is a partially enlarged view of a portion H in fig. 2.

Fig. 5 is a cross-sectional view C-C of fig. 3.

Fig. 6 is a sectional view F-F of fig. 3.

Fig. 7 is a schematic structural diagram of a cable flange provided in the embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a first connection end according to an embodiment of the present invention.

Fig. 9 is a partially enlarged view of fig. 1 at a.

Figure 10 is a schematic structural view of a concrete pile provided by the embodiment of the invention,

fig. 11 is a cross-sectional view of a pull cord provided by an embodiment of the present invention.

Reference numerals:

a guyed wind power tower 100,

The tower body 1, the tower section 11, the first bracket part 111, the second bracket part 112, the stay flange 12, the ring body 121 ear portion 122, first lug plate 1221, second lug plate 1222, first bolt 13, second bolt 14, third bolt 15,

A stay cable 2, a stay cable 21, a first connection end 22, a second connection end 23,

Concrete pile 3, connecting member 31, first connecting plate 311, second connecting plate 312,

A steel tower cylinder section 4, a reinforced concrete tower cylinder section 5, a steel switching section 6, a fan 7,

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

A guyed wind tower 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 11. The guy cable type wind power tower cylinder 100 comprises a tower cylinder body 1 and a plurality of guys 2, wherein the tower cylinder body 1 comprises a plurality of tower cylinder sections 11 and at least one guy cable flange 12, the tower cylinder sections 11 are sequentially connected in the up-down direction, the guy cable flange 12 is located between two adjacent tower cylinder sections 11, and the guy cable flange 12 comprises a ring body 121 and a plurality of lug parts 122 connected with the outer peripheral surface of the ring body 121. The ears 122 are provided on the outer peripheral surface of the ring body 121 at intervals in the circumferential direction of the ring body 121. The ring body 121 is connected to each of two adjacent tower sections 11, that is, the ring body 121 is sandwiched between two adjacent tower sections 11 in the up-down direction, so that the cable flange 12 and the tower sections 11 are sequentially connected to each other to form the tower body 1.

One ends of the plurality of stay cables 2 are connected with the ear parts 122 in a one-to-one correspondence, and the other ends of the stay cables 2 are connected with the anchor points in a one-to-one correspondence. The anchor points are typically located on the ground. The other end of the inhaul cable 2 is connected with the anchoring point, a certain interval is arranged between the anchoring point and the tower cylinder body 1 in the radial direction of the tower cylinder body 1, and an included angle is formed between the central axis of the inhaul cable 2 and the axial direction of the tower cylinder body 1.

A guyed wind tower 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 11.

As shown in fig. 1, the tower body 1 of the guyed wind tower 100 includes an upper steel tower section 4 and a lower reinforced concrete tower section 5, which are connected to each other by a steel adapter section 6. The fan 7 is arranged at the top of the steel tower barrel section 4. Reinforced concrete tower section 5 includes a plurality of tower section 11, and tower section 11 arranges from last to down in proper order, and cable flange 12 is located before two of them tower section 11 and with these 11 homogeneous interconnect of two tower sections, links to each other between the other tower section 11 each other. A plurality of tower cylinder sections 11 and cable flanges 12 are connected in sequence in the vertical direction to form a reinforced concrete tower cylinder section 5 shown in fig. 1.

As shown in fig. 1, a tension cable flange 12 is located in the middle of the reinforced concrete tower section 5. Preferably, the stay cable flange 12 is located between 1/3 height and 2/3 height of the reinforced concrete tower section 5, so that the stay cable 2 can better share the load of the tower body 1.

As shown in fig. 5, in two adjacent tower cylinder sections 11 with cable flange 12, the bottom of the tower cylinder section 11 located above is provided with a first bull leg 111, the top of the tower cylinder section 11 located below is provided with a second bull leg 112, first bull leg 111, ring 121 and second bull leg 112 offset in order in the up-down direction, and each of first bull leg 111, ring 121 and second bull leg 112 is provided with a plurality of bolt holes corresponding to each other, first bolt 13 passes through the bolt hole one-to-one and interconnects first bull leg 111, ring 121 and second bull leg 112 together, thereby realizing that cable flange 12 is connected with two adjacent tower cylinder sections 11 up and down.

Specifically, as shown in fig. 5, the tower segment 11 located above the cable flange 12 includes a first cylinder and a first bracket portion 111 located at the bottom of the first cylinder, and the first bracket portion 111 is connected to the inner peripheral surface of the bottom of the first cylinder and extends inward (extends in a direction close to the central axis of the tower segment 11). The tower section 11 below the cable flange 12 includes a second cylinder and a second bracket portion 112 at the bottom of the second cylinder, and the second bracket portion 112 is connected to the inner circumferential surface of the top of the second cylinder and extends inward (extends in a direction close to the central axis of the tower section 11).

Further, as shown in fig. 2 and 5, of the two tower sections 11 adjacent to the cable flange 12, the tower section 11 located above is a straight section, that is, the inner diameter and the outer diameter of the straight section are uniform in the axial direction, and the tower section 11 located below is a tapered section, and the inner diameter and the outer diameter of the tapered section are gradually increased from top to bottom. The sizes of the joints of the two tower cylinder sections 11 adjacent to the stay cable flange 12 and the stay cable flange 12 are matched. That is, the bottom of the upper tower segment 11 is sized to fit the ring 121 of the stayed tower 12, and the top of the lower tower segment 11 is sized to fit the ring 121.

Specifically, as shown in fig. 5, the inner diameter of the first leg portion 111, the inner diameter of the ring body 121, and the inner diameter of the second leg portion 112 are the same, and the inner peripheral surfaces of each are aligned with each other. The outer diameter of the bottom of the first cylinder, the outer diameter of the ring body 121, and the outer diameter of the top of the second cylinder are the same, and the outer peripheral surfaces of each are aligned with each other.

The conical barrel section is used as a transition section and plays a role in transition. As shown in fig. 1, the reinforced concrete tower section 5 in this embodiment includes two transition sections, and the remaining tower sections 11 are straight sections, and the bottom size of the tower section 11 adjacent to the tapered section above is adapted to the top size of the tapered section, and the top size of the tower section 11 adjacent to the tapered section below is adapted to the bottom size of the tapered section, so that the bottom size of the reinforced concrete tower section 5 is greater than the top size thereof, which is beneficial to improving the structural stability of the guyed wind power tower 100.

Of course in other embodiments the number of transitions may be other.

As shown in fig. 7, the cable flange 12 of the embodiment of the present invention includes three ears 122, and the three ears 122 are uniformly spaced on the outer peripheral surface of the ring body 121 to improve the uniformity of the force. The ear 122 of the cable flange 12 includes first and

second lugs

1221 and 1222, the first and

second lugs

1221 and 1222 being spaced apart and opposed in a first direction that is mutually perpendicular to the axial direction of the ring 121.

As shown in fig. 4 and 8, one end of the cable 2 is provided with a first connection end 22, the first connection end 22 is fitted between the first lug plate 1221 and the second lug plate 1222 of the corresponding ear portion 121, the first lug plate 1221, the second lug plate 1222 and the first connection end 22 are provided with connection through holes, and the connection through holes correspond in a first direction, and the second bolt 14 passes through the connection through hole of each of the first lug plate 1221, the first connection end 22 and the second lug plate 1222 to connect the one end of the cable 2 with the corresponding ear portion 122.

In other embodiments, the number of the ears 122 of the stay cable flange 12 may be other, and preferably several ears 122 are symmetrically distributed on the circumference of the ring body 121, so as to make the force applied to the stay cable wind turbine tower 100 uniform.

Further, as shown in fig. 9 and 10, the other end of the cable 2 is provided with a second connecting end 23. The anchoring point of ground is equipped with concrete pile 3, and the bottom of concrete pile 3 is buried underground in ground, and the top of concrete pile 3 is equipped with connecting piece 31, and connecting piece 31 includes first connecting plate 311 and second connecting plate 312, and first connecting plate 311 and second connecting plate 312 are relative and the interval sets up, and second connecting end 23 cooperation is between first connecting plate 311 and the second connecting plate 312 of corresponding connecting piece 31. The first connecting plate 311, the second connecting plate 312 and the second connecting tip 23 are provided with connecting through holes, and the connecting through holes are opposite to each other, and the third bolt 14 passes through each of the first connecting plate 311, the second connecting tip 23 and the second connecting plate 312 to connect the other end of the cable 2 with a corresponding anchoring point.

As shown in fig. 1, three concrete piles 3 are connected to three guy wires 2 in a one-to-one correspondence. Preferably, the concrete piles 3 are opposite to the corresponding ears 122 on the guyed flanges 12 in the radial direction of the tower body 11, that is, the projection of the guyed 2 on the horizontal plane is along the radial direction of the tower body 11, so that the distribution of the guyed 2 and the stressed structure of the guyed wind tower 100 are more reasonable.

In other embodiments, the cable flange 12 may be plural, and the plural cable flanges 12 are spaced apart by at least one tower section 11 in the up-down direction. Correspondingly, the anchoring point can also be provided in plurality.

The inhaul cable 2 comprises an inhaul cable 21 and connecting ends (a first connecting end 22 and a second connecting end 23) connected with the ends of the inhaul cable 21, in some embodiments, the inhaul cable 21 is a prestressed cable, as shown in fig. 11, the inside of the inhaul cable 21 is formed by arranging a plurality of strands of reinforcing steel ropes in parallel, and the prestressed cable is used as the inhaul cable 21, so that the inhaul cable has high structural strength and can meet the stress requirement.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.

Claims

1. A guyed wind tower, comprising:

the cable pulling device comprises a tower barrel body, wherein the tower barrel body comprises a plurality of tower barrel sections and at least one cable pulling flange, the tower barrel sections are sequentially connected in the vertical direction, the cable pulling flange is positioned between every two adjacent tower barrel sections, the cable pulling flange comprises a ring body and a plurality of lug parts connected with the outer peripheral surface of the ring body, in the two adjacent tower barrel sections of the cable pulling flange, a first ox leg part is arranged at the bottom of the tower barrel section positioned above, a second ox leg part is arranged at the top of the tower barrel section positioned below, the first ox leg part, the ring body and the second ox leg part are mutually connected through a connecting bolt, the lug parts comprise a first lug plate and a second lug plate, the first lug plate and the second lug plate are arranged at intervals in the first direction, and the first direction is mutually vertical to the axial direction of the ring body;

2. The stayed wind tower of claim 1, wherein the first and second leg portions each extend inwardly.

3. The guyed wind tower according to any one of claims 1 to 2, wherein the upper section of the two adjacent sections is a straight section and the lower section is a tapered section.

4. The stayed wind tower according to claim 3, characterised in that the dimensions of the bottom of the tower section above, the ring body and the top of the tower section below are adapted to each other in two tower sections adjacent to the stayed flange.

5. The guyed wind tower according to claim 1, wherein a concrete pile is provided at the anchoring point, the bottom of the concrete pile is buried in the ground, and the connector is provided at the top of the concrete pile.

6. The guyed wind tower of claim 1 or 5, wherein the projection of the guy cables onto a horizontal plane extends in a radial direction of the tower body.

7. The guyed wind tower according to claim 1, 2, 4 or 5, wherein the ears of the guyed flange are symmetrically distributed around the circumference of the ring body.

8. The guyed wind tower of claim 1, 2, 4 or 5, wherein the guyed flanges are a plurality of which are spaced apart in an up-down direction by at least one of the tower segments.

9. The stayed wind tower of claim 1, wherein the bottom of the tower body is larger in size than the top thereof.

10. The guy wind tower according to claim 1, wherein the guy cable comprises a guy cable and a connection end connected to an end of the guy cable, the guy cable being a pre-stressed cable.