Lattice type wind power generation supporting framework convenient for anchoring prestressed steel strands

Abstract

The utility model discloses a lattice type wind power generation supporting framework convenient for anchoring prestressed steel strands, which relates to the technical field of wind power generation, and comprises a lattice main body, brackets are fixedly arranged at the upper end and the lower end of the lattice main body, each bracket comprises an anchoring seat, sleeves are fixedly arranged at the two ends of each anchoring seat, and the prestressed steel strands are fixedly arranged in the sleeves. A plurality of sets of threaded holes are formed in the tops of the two ends of the anchoring base, the threaded holes are arranged in an array mode with the sleeve as the center, and a clamp is fixedly installed at the bent position of the lattice body. According to the design scheme, the brackets are fixedly mounted at the upper end and the lower end of the lattice main body, the steel strands penetrate through the sleeves at the two ends of the anchoring seat, and the two ends of each steel strand are fixedly connected with the brackets through the anchorage devices, so that the steel strands are mounted on the outer side of the lattice column, the rope penetrating difficulty of the steel strands is effectively reduced, and the construction efficiency is improved. And the steel strands do not need to be anchored on the foundation, so that the thickness of the foundation can be reduced, and the construction cost of the tower is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power generation technical field especially a lattice type wind power generation support frame structure convenient for anchoring prestressed steel strand. BACKGROUND

[0002] Wind energy is a kind of renewable energy with rich resources and clean and pollution-free, and wind power generation becomes the fastest growing energy in the world in recent years, and wind power generation industry also becomes a promising emerging industry.

[0003] The existing land lattice type wind power tower is generally linear or broken line type, four main load-bearing columns of lattice are installed and built layer by layer from bottom to conversion section, pure steel tower cylinder is installed on the upper portion of conversion section, and wind turbine generator unit and other components are installed in the pure steel tower cylinder.Tower as an important component of wind turbine generator unit, in addition to supporting the weight of wind turbine, also bears the wind pressure blowing to wind turbine and tower, and dynamic load in wind turbine generator, so it is necessary to apply prestress on lattice column.

[0004] In the prior art, prestressed steel strand is usually embedded in the interior of lattice column, and the upper portion of steel strand is anchored to conversion section, and the lower portion is anchored to foundation, and since operation space needs to be left at the bottom of foundation, construction personnel can enter the interior to carry out construction, so that the thickness of foundation is greatly increased, resulting in that the construction cost of tower is higher, and the steel strand increases the difficulty of cable penetration in the interior of lattice column, so that the construction difficulty of tower is higher. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a lattice type wind power generation support frame structure convenient for anchoring prestressed steel strand.

[0006] The utility model solves the technical scheme that the technical scheme that the utility model solves its technical problem adopts: a lattice type wind power generation support frame structure convenient for anchoring prestressed steel strand, including lattice main body, the upper and lower ends of lattice main body are all fixedly installed with corbel, and the corbel is used for anchoring steel strand, the corbel includes anchoring seat, the both ends of anchoring seat are fixedly installed with sleeve pipe, a plurality of groups of thread holes are opened in the top of both ends of anchoring seat, the thread holes are arranged in array with sleeve pipe as center, the bending portion of lattice main body is fixedly installed with clamp, and the clamp is used for assisting steel strand to turn.

[0007] Further, the lattice main body is composed of a plurality of columns, a plurality of layers of transverse web members and a plurality of inclined web members, the columns adopt a sectional structure, the columns are sequentially divided into a lower lattice section, an inclined-to-straight section, an upper lattice section and a conversion section from bottom to top, a ring plate is fixedly installed on the top of the conversion section, and a tower cylinder is fixedly connected to the top of the ring plate.

[0008] Further, the lower end of the lower lattice section and the upper end of the conversion section are fixedly installed with anchor seats, the middle part of the anchor seat is provided with a first through hole matched with the stand column, and the axis of the sleeve pipe is parallel to the axis of the first through hole.

[0009] Further, the clamp comprises a fixed seat, the middle part of the fixed seat is provided with a second through hole matched with the stand column, both ends of the fixed seat are provided with fixed plates, the side of the fixed plate away from the middle part of the fixed seat is fixedly installed with a clamping plate, and the adjacent surfaces of the fixed plate and the clamping plate are provided with mounting grooves.

[0010] Further, the corners of the fixed plate and the fixed seat are fixedly connected with a plurality of groups of reinforcing ribs.

[0011] The utility model discloses the beneficial effect is, the utility model discloses the design scheme through the design that the upper and lower ends of lattice main body are fixedly installed with corbel, and the steel strand is passed through from the sleeve pipe of the both ends of anchor seat, and the both ends of steel strand are fixedly connected with corbel through anchor device, and the steel strand is turned over with the aid of clamp, to realize the installation steel strand on the outside of lattice column, effectively reduce the difficulty of steel strand's threading, thereby reduce the construction difficulty of tower, and do not need to anchor the steel strand to the foundation, can reduce the thickness of foundation, and further reduce the construction cost of tower. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further illustrated below in connection with the drawings and examples.

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is Figure 1 It is the local enlarged view of A area;

[0015] Figure 3 It is the structure schematic diagram of the utility model corbel;

[0016] Figure 4 It is the structure schematic diagram of the utility model clamp.

[0017] In the drawing: 1. lattice main body, 11. stand column, 111. lower lattice section, 112. oblique straight section, 113. upper lattice section, 114. conversion section, 12. transverse web, 13. oblique web, 14. ring plate, 15. tower drum, 2. corbel, 21. anchor seat, 22. sleeve pipe, 23. screw hole, 24. first through hole, 3. clamp, 31. fixed seat, 32. 3 second through hole, 33. fixed plate, 34. clamping plate, 35. mounting groove, 36. reinforcing rib. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in conjunction with the drawings. Obviously, the drawings described below are only one embodiment of the utility model, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without creative labor, and all belong to the protection scope of the utility model.

[0019] According to Figures 1-4 As shown in FIG. 1, a lattice type wind power generation support frame convenient for anchoring prestressed steel strand, comprising a lattice main body 1, both upper and lower ends of the lattice main body 1 are fixedly installed with corbels 2, the lattice main body 1 is composed of a plurality of vertical columns 11, a plurality of horizontal transverse web members 12 and a plurality of inclined web members 13, the vertical column 11 adopts a sectional structure, the vertical column 11 is sequentially divided into a lower lattice section 111, an inclined straight section 112, an upper lattice section 113 and a conversion section 114 from bottom to top, the corbel 2 comprises an anchoring seat 21, a first through hole 24 matched with the vertical column 11 is formed in the middle of the anchoring seat 21, the lower end of the lower lattice section 111 and the upper end of the conversion section 114 are both welded with the anchoring seat 21, a sleeve pipe 22 is welded at both ends of the anchoring seat 21, a plurality of groups of threaded holes 23 are formed at the top of both ends of the anchoring seat 21, the threaded holes 23 are arranged in an array with the sleeve pipe 22 as the center, the axis of the sleeve pipe 22 and the axis of the first through hole 24 are parallel to each other, a ring plate 14 is welded at the top of the conversion section 114, a tower drum 15 is fixedly connected with the ring plate 14 through a flange at the top of the ring plate 14, a clamp 3 is fixedly installed at the bending position of the lattice main body 1, the clamp 3 comprises a fixed seat 31, a second through hole 32 matched with the vertical column 11 is formed in the middle of the fixed seat 31, a fixed plate 33 is arranged at both ends of the fixed seat 31, a clamping plate 34 is fixedly installed on the side of the fixed plate 33 away from the middle of the fixed seat 31 through a bolt, an installation groove 35 is formed on the adjacent surface of the fixed plate 33 and the clamping plate 34, a plurality of groups of reinforcing ribs 36 are welded at the corners of the fixed plate 33 and the fixed seat 31.

[0020] In use, the steel strand passes through the sleeve pipe 22 at both ends of the anchoring seat 21, the both ends of the steel strand are provided with an anchor, and the fixed bolt of the anchor is fitted and installed in the threaded hole 23, so that the steel strand is fixedly connected with the corbel 2 through the anchor, and the steel strand is fixed through the cooperation of the clamping plate 34 and the fixed plate 33, so as to control the running direction of the steel strand, and thus the steel strand can be installed on the outside of the lattice column, so that the difficulty of threading the steel strand can be effectively reduced, the construction difficulty of the tower is reduced, and the steel strand does not need to be anchored to the foundation, so that the thickness of the foundation can be reduced, and the construction cost of the tower is reduced.

[0021] The above examples are only exemplary embodiments of the present application, and are not used to limit the present application, and the protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and the modification or equivalent replacement is also regarded as falling within the protection scope of the present application.

Claims

1. A lattice type wind power support structure for anchoring pre-stressed steel strands easily, comprising a lattice main body (1), characterized in that: Both upper and lower ends of the lattice body (1) are fixedly installed with corbels (2) for anchoring steel strands, the corbel (2) comprises an anchoring seat (21), both ends of the anchoring seat (21) are fixedly installed with sleeves (22), a plurality of groups of threaded holes (23) are opened at the top of both ends of the anchoring seat (21), the threaded holes (23) are arranged in an array with the sleeves (22) as the center, the bending part of the lattice body (1) is fixedly installed with a clamp (3) for assisting the turning of the steel strand.

2. A lattice type wind power support structure for anchoring a pre-stressed steel strand according to claim 1, characterized in that, The lattice body (1) is composed of a plurality of vertical columns (11), a plurality of horizontal transverse webs (12) and a plurality of inclined webs (13), the vertical column (11) adopts a sectional structure, the vertical column (11) is sequentially divided into a lower lattice section (111), an inclined-to-straight section (112), an upper lattice section (113) and a conversion section (114) from bottom to top, the top of the conversion section (114) is fixedly installed with a ring plate (14), and the top of the ring plate (14) is fixedly connected with a tower barrel (15).

3. A lattice type wind power support structure for anchoring a pre-stressed steel strand according to claim 2, characterized in that, The lower end of the lower lattice section (111) and the upper end of the conversion section (114) are fixedly installed with anchoring seats (21), and the middle part of the anchoring seat (21) is provided with a first through hole (24) matched with the vertical column (11), and the axis of the sleeve (22) is parallel to the axis of the first through hole (24).

4. A lattice type wind power support structure for anchoring pre-stressed steel strands according to claim 2, characterized in that, The clamp (3) comprises a fixed seat (31), the middle part of the fixed seat (31) is provided with a second through hole (32) matched with the vertical column (11), both ends of the fixed seat (31) are provided with fixed plates (33), the side of the fixed plate (33) away from the middle part of the fixed seat (31) is fixedly installed with a clamping plate (34), and the adjacent surfaces of the fixed plate (33) and the clamping plate (34) are provided with mounting grooves (35).

5. A lattice type wind power support structure for anchoring pre-stressed steel strands according to claim 4, characterized in that, A plurality of groups of reinforcing ribs (36) are fixedly connected to the corners of the fixed plate (33) and the fixed seat (31).

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