1. The utility model provides an adopt telescopic wind-powered electricity generation of infinitely variable control to mix prefabricated tower section of thick bamboo of tower which characterized in that: mix a prefabricated tower section of thick bamboo including wind-powered electricity generation, a prefabricated tower section of thick bamboo of wind-powered electricity generation mixes tower comprises upper plate section and lower plate section, wherein wedge steel sheet has been buried underground to the bottom of upper plate section, stepless adjustment sleeve connecting piece has been buried underground at the top of lower plate section, wedge steel sheet with stepless adjustment sleeve connecting piece constitutes spacing cooperation, just stepless adjustment sleeve connecting piece with relative position between the wedge steel sheet is adjustable.

2. The wind power hybrid tower prefabricated tower cylinder adopting the stepless adjusting sleeve as claimed in claim 1, is characterized in that: the stepless adjusting sleeve connecting piece comprises a reserved wedge-shaped steel plate, a high-strength square steel sleeve, a high-strength bolt and a high-strength bolt sleeve, wherein the high-strength square steel sleeve is embedded at the top of the lower plate section, the reserved wedge-shaped steel plate is arranged in the high-strength square steel sleeve and forms limiting fit with the wedge-shaped steel plate, the high-strength bolt sleeve penetrates through one side of the high-strength square steel sleeve, the high-strength bolt is arranged in the high-strength bolt sleeve and forms threaded fit, and the high-strength bolt can adjust the position of the reserved wedge-shaped steel plate in the high-strength square steel sleeve so as to adjust the relative position of the reserved wedge-shaped steel plate and the wedge-shaped steel plate.

3. The wind power hybrid tower prefabricated tower cylinder adopting the stepless adjusting sleeve as claimed in claim 2, is characterized in that: and a grouting hole is reserved on the high-strength square steel sleeve.

4. The wind power hybrid tower prefabricated tower cylinder adopting the stepless adjusting sleeve as claimed in claim 2, is characterized in that: the reserved wedge-shaped steel plate is opposite to the wedge-shaped inclined plane of the wedge-shaped steel plate, and the high-strength bolt is arranged on the other side of the wedge-shaped inclined plane of the reserved wedge-shaped steel plate.

5. The wind power hybrid tower prefabricated tower cylinder adopting the stepless adjusting sleeve as claimed in claim 2, is characterized in that: and a filling body is filled between the reserved wedge-shaped steel plate and the high-strength square steel sleeve.

6. The wind power hybrid tower prefabricated tower cylinder adopting the stepless adjusting sleeve as claimed in claim 1, is characterized in that: the bottom of the upper plate section has a height difference on two sides of the wedge-shaped steel plate so as to form a slurry outlet hole between the upper plate section and the lower plate section.

7. A construction method related to the wind power hybrid tower prefabricated tower barrel adopting the stepless adjusting sleeve as claimed in any one of claims 1 to 6 is characterized in that: the construction method comprises the following steps:

embedding a wedge-shaped steel plate at the bottom of an upper plate section of the wind power hybrid tower prefabricated tower cylinder, and embedding a stepless adjusting sleeve connecting piece at a corresponding position at the top of a lower plate section of the wind power hybrid tower prefabricated tower cylinder;

inserting the wedge-shaped steel plate into the temporary splicing platform channel;

all the pore passages are adjusted to the same elevation by utilizing a T-shaped scale with the bottom area equal to that of a reserved wedge-shaped steel plate of the stepless adjusting sleeve connecting piece and changing the tightness of the high-strength bolt;

hoisting an upper plate section, inserting the wedge-shaped steel plate into the stepless adjusting sleeve connecting piece, screwing a high-strength bolt to change the position of the reserved wedge-shaped steel plate in the high-strength square steel sleeve, so that the relative position between the reserved wedge-shaped steel plate and the wedge-shaped steel plate is changed, and further the height of each contact point between the upper plate section and the lower plate section is adjusted until the horizontal and vertical requirements are met;

and filling a filling body through the grouting hole, and finishing the connection between the upper plate section and the lower plate section after the filling body is solidified.

Background

The large-scale use of traditional fossil fuels causes pollution of natural environment, aggravates global warming and forms natural energy shortage worldwide. The wind power tower cylinder plays a role in supporting and absorbing vibration of a wind power generation unit and is one of important devices for wind power generation. With the development of wind power generation gradually towards single machine high capacity, and considering the particularity of wind power engineering, the precast concrete member of the wind power tower cylinder is usually large in mass and high in height, and also faces the problems of large hoisting height, complex construction environment and the like in the installation process, so that the construction difficulty of the prefabricated wind power tower cylinder in the hoisting and splicing processes is caused. Therefore, in order to guarantee the safety of the hoisting process and guarantee the assembling quality of each segment, higher requirements are provided for the hoisting scheme of the precast concrete component of the wind power tower.

The existing hoisting and connecting technology of the prefabricated wind power tower cylinder is difficult to ensure that bottom side contact surfaces of all sections are in the same horizontal position, the problems of untight seams, hollowing of transverse seams, inclination of the sections, single-side compression and the like often occur during hoisting and splicing, the vertical angle of the sections is difficult to control during high-altitude operation, and the difficulty in adjusting the horizontal elevation is huge. When the tower barrel of the prefabricated wind power hybrid tower is hoisted and the connection of each segment is completed, the adjustment of the horizontal height is an urgent problem to be solved in the assembly of the hybrid tower.

Disclosure of Invention

The invention aims to provide a wind power hybrid tower prefabricated tower cylinder adopting a stepless adjusting sleeve and a construction method thereof according to the defects of the prior art, and the method can provide a stable and reliable horizontal height adjusting method for each wind power tower cylinder prefabricated concrete member during hoisting and connecting by arranging a wedge-shaped steel plate and a stepless adjusting sleeve connecting piece which form a limit between an upper plate section and a lower plate section, ensure the vertical assembly of the sections and improve the assembly quality.

The purpose of the invention is realized by the following technical scheme:

the utility model provides an adopt telescopic wind-powered electricity generation of infinitely variable control to mix prefabricated tower section of thick bamboo of tower which characterized in that: mix a prefabricated tower section of thick bamboo including wind-powered electricity generation, a prefabricated tower section of thick bamboo of wind-powered electricity generation mixes tower comprises upper plate section and lower plate section, wherein wedge steel sheet has been buried underground to the bottom of upper plate section, stepless adjustment sleeve connecting piece has been buried underground at the top of lower plate section, wedge steel sheet with stepless adjustment sleeve connecting piece constitutes spacing cooperation, just stepless adjustment sleeve connecting piece with relative position between the wedge steel sheet is adjustable.

The stepless adjusting sleeve connecting piece comprises a reserved wedge-shaped steel plate, a high-strength square steel sleeve, a high-strength bolt and a high-strength bolt sleeve, wherein the high-strength square steel sleeve is embedded at the top of the lower plate section, the reserved wedge-shaped steel plate is arranged in the high-strength square steel sleeve and forms limiting fit with the wedge-shaped steel plate, the high-strength bolt sleeve penetrates through one side of the high-strength square steel sleeve, the high-strength bolt is arranged in the high-strength bolt sleeve and forms threaded fit, and the high-strength bolt can adjust the position of the reserved wedge-shaped steel plate in the high-strength square steel sleeve so as to adjust the relative position of the reserved wedge-shaped steel plate and the wedge-shaped steel plate.

And a grouting hole is reserved on the high-strength square steel sleeve.

The reserved wedge-shaped steel plate is opposite to the wedge-shaped inclined plane of the wedge-shaped steel plate, and the high-strength bolt is arranged on the other side of the wedge-shaped inclined plane of the reserved wedge-shaped steel plate.

And a filling body is filled between the reserved wedge-shaped steel plate and the high-strength square steel sleeve.

The bottom of the upper plate section has a height difference on two sides of the wedge-shaped steel plate so as to form a slurry outlet hole between the upper plate section and the lower plate section.

A construction method for the wind power hybrid tower prefabricated tower barrel adopting the stepless adjusting sleeve is characterized by comprising the following steps: the construction method comprises the following steps:

embedding a wedge-shaped steel plate at the bottom of an upper plate section of the wind power hybrid tower prefabricated tower cylinder, and embedding a stepless adjusting sleeve connecting piece at a corresponding position at the top of a lower plate section of the wind power hybrid tower prefabricated tower cylinder;

inserting the wedge-shaped steel plate into the temporary splicing platform channel;

all the pore passages are adjusted to the same elevation by utilizing a T-shaped scale with the bottom area equal to that of a reserved wedge-shaped steel plate of the stepless adjusting sleeve connecting piece and changing the tightness of the high-strength bolt;

hoisting an upper plate section, inserting the wedge-shaped steel plate into the stepless adjusting sleeve connecting piece, screwing a high-strength bolt to change the position of the reserved wedge-shaped steel plate in the high-strength square steel sleeve, so that the relative position between the reserved wedge-shaped steel plate and the wedge-shaped steel plate is changed, and further the height of each contact point between the upper plate section and the lower plate section is adjusted until the horizontal and vertical requirements are met;

and filling a filling body through the grouting hole, and finishing the connection between the upper plate section and the lower plate section after the filling body is solidified.

The invention has the advantages that: the embedded type variable-height sleeve achieves the aim of stepless adjustment of splicing height, facilitates the height adjustment of the contact surface of the segments in the splicing process, reduces the construction difficulty and improves the splicing quality; simple and reasonable structure, convenient use and suitability for popularization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a stepless adjusting sleeve connecting piece and a wedge-shaped steel plate in the invention;

FIG. 3 is a schematic view of the stepless adjusting sleeve connection piece of the present invention in use;

fig. 4 is a schematic view of a connection structure of an upper plate section and a lower plate section in the present invention.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings to facilitate understanding by those skilled in the art:

as shown in fig. 1-4, the symbols in the figures are respectively represented as: the wind power mixing tower comprises a wind power mixing tower prefabricated tower barrel 1, an upper plate section 101, a lower plate section 102, a wedge-shaped steel plate 103 and a grout outlet 104; the stepless adjusting sleeve comprises a stepless adjusting sleeve connecting piece 2, a reserved wedge-shaped steel plate 201, a high-strength square steel sleeve 202, a high-strength bolt 203, a high-strength bolt sleeve 204, a sleeve center opening 205, a grouting hole 206 and a filling material 207.

Example (b): as shown in fig. 1, the wind power hybrid tower prefabricated tower cylinder adopting the stepless adjusting sleeve in the embodiment includes a wind power tower prefabricated tower cylinder 1 and a stepless adjusting sleeve connecting piece 2. The wind power tower prefabricated tower barrel 1 can be formed by assembling a plurality of segments along the height direction, two adjacent segments are an upper plate segment 101 and a lower plate segment 102 respectively, and the upper plate segment 101 is installed above the lower plate segment 102.

As shown in fig. 1, a wedge-shaped steel plate 103 is embedded at the bottom of the upper plate section 101, a stepless adjusting sleeve connecting piece 2 is embedded at the top of the lower plate section 102, and the wedge-shaped steel plate 103 and the stepless adjusting sleeve connecting piece 2 can form limit fit, so that the relative position between the upper plate section 101 and the lower plate section 102 is limited, and the precision of assembly construction is ensured.

Specifically, as shown in fig. 1 and fig. 2, the stepless adjusting sleeve connection member 2 includes a reserved wedge-shaped steel plate 201, a high-strength square steel sleeve 202, a high-strength bolt 203, and a high-strength bolt sleeve 204. The high-strength square steel sleeve 202 is provided with a hole 205 in the center of the long side surface, the diameter of the hole is the same as the outer diameter of the high-strength bolt sleeve 204, the high-strength bolt sleeve 204 is connected with the high-strength square steel sleeve 202 in a welding mode, and the inside of the cylinder of the high-strength bolt sleeve 204 is communicated with the inside of the cylinder of the high-strength square steel sleeve 202 through the hole 205 in the center of the sleeve. The high-strength bolt 203 is inserted into the high-strength bolt sleeve 204 and forms thread fit with the high-strength bolt sleeve 204, so that the high-strength bolt 203 can be screwed into and screwed out of the high-strength bolt sleeve 204; meanwhile, the length of the stud of the high-strength bolt 203 is greater than the length of the cylinder of the high-strength bolt sleeve 204, so that the stud of the high-strength bolt 203 can extend into the high-strength square steel sleeve 202. The reserved wedge-shaped steel plate 201 is arranged in the high-strength square steel sleeve 202, the wedge-shaped inclined plane faces the wedge-shaped inclined plane of the wedge-shaped steel plate 103, and the inclined planes of the reserved wedge-shaped steel plate and the wedge-shaped steel plate are matched. The other side of the reserved wedge-shaped steel plate 201 is opposite to the high-strength bolt 203, when the high-strength bolt 203 is screwed in, the reserved wedge-shaped steel plate 201 can be pushed to enable the reserved wedge-shaped steel plate 201 to move in the high-strength square steel sleeve 202, so that the relative position of the reserved wedge-shaped steel plate 201 and the wedge-shaped steel plate 103 is changed, and the relative position between the upper plate section 101 and the lower plate section 202 is adjusted.

When the adjustable limiting structure is applied, a plurality of limiting structures formed by the wedge-shaped steel plates 103 and the stepless adjusting sleeve connecting pieces 2 can be uniformly and symmetrically arranged along the circumferential direction of the upper plate section 101 and the lower plate section 102, and the assembling precision between the upper plate section 101 and the lower plate section 102 is further improved.

When the prefabricated tower barrel 1 is applied, when the prefabricated tower barrel 1 of the wind power hybrid tower is formed by assembling two or more tower barrel sections, a limiting structure formed by the wedge-shaped steel plate 103 and the stepless adjusting sleeve connecting piece 2 can be arranged between every two adjacent tower barrel sections along the height direction, so that the assembling precision between the upper tower barrel section and the lower tower barrel section is ensured.

As shown in fig. 1, a grouting hole 206 is reserved in the lower portion of the high-strength square steel sleeve 202, and the grouting hole 206 is communicated with the inside of the high-strength square steel sleeve 202. Meanwhile, the bottom of the upper plate section 101 has a certain height difference on both sides of the wedge-shaped steel plate 103, so that a grout outlet 104 is formed between the upper plate section 101 and the lower plate section 102. By pouring the filling material 207 as a filler into the grouting hole 206, the gap between the high-strength square steel sleeve 202 and the reserved wedge-shaped steel plate 201 and the gap between the upper plate section 101 and the lower plate section 102 can be filled, so that the upper plate section 101 and the lower plate section 102 are connected and fixed to form a whole.

In the construction of the embodiment, the method specifically comprises the following steps:

1) the high-strength bolt sleeve 204 is welded at the opening 205 of the long side surface of the high-strength square steel sleeve 202, and the length of the high-strength bolt sleeve 204 is from the inner wall of the high-strength square steel sleeve 202 to the surface of the lower section 102.

2) The wedge-shaped steel plate 103 is arranged at the bottom of the upper plate section 101 of the concrete tower barrel, and the protruding length of the wedge-shaped steel plate is ensured not to be smaller than the height of the inner wall of the high-strength square steel sleeve 202.

3) And (3) placing the welded high-strength square steel sleeve 202 at the corresponding position of the top of the lower plate section 102, wherein the sleeve opening is slightly lower than the surface of concrete, and forming alignment installation with the wedge-shaped steel plate 103 at the lower part of the upper plate section 101.

4) And pouring the wind power hybrid tower prefabricated tower barrel 1 and connecting to form a wind power tower prefabricated tower barrel section, wherein concrete and a connecting mode are determined according to the requirements of a construction party and the conditions of a construction site.

5) The reserved wedge-shaped steel plate 201 is placed inside the high-strength square steel sleeve 202, and when the reserved wedge-shaped steel plate 201 is placed, the straight edge of the reserved wedge-shaped steel plate 201 faces the inner wall of one side, provided with the sleeve center opening 205, of the high-strength square steel sleeve 202.

6) Insert inside the platform channel is assembled to interim, the later stage counterpoint of being convenient for with upper plate section 101 bottom wedge steel sheet 103. The temporary assembling platform is a concrete ground foundation for completing the splicing of each bent plate and each flat plate on the ground before the tower barrel sections are hoisted. The foundation is embedded with a channel lower than the ground, the function of the channel is similar to that of an alignment pore channel, steel plates at the end parts of the plates can be conveniently inserted, and the splicing alignment of the vertical seams at the front half section of the hoisting is completed. Namely, the upper plate section 101 and the lower plate section 102 of the seat tower section are also of a splicing structure, and the temporary splicing platform is used for splicing bent plates and spliced plates of the tower section.

7) And adjusting all pore channels formed between the reserved wedge-shaped steel plates 201 and the high-strength square steel sleeves 202 to the same elevation by using a T-shaped scale with the bottom area equal to that of the wedge-shaped plate through changing the tightness of the high-strength bolts 203, wherein the pore channels correspond to the positions of the wedge-shaped steel plates 103.

As shown in fig. 3 (b), when the high-strength bolt 203 is screwed in, the reserved wedge-shaped steel plate 201 moves inwards along with the increase of the screwing length, at this time, the hole channel formed between one side of the reserved wedge-shaped steel plate 201 and the high-strength square steel sleeve 202 is correspondingly reduced, and the reserved wedge-shaped height h inside the hole channel is correspondingly reduced₂And (4) reducing. As shown in fig. 3 (a), when the high-strength bolt 203 is unscrewed, the reserved wedge-shaped steel plate 202 moves outward along with the decrease of the screwing length, so that the hole formed between one side of the reserved wedge-shaped steel plate 201 and the high-strength square steel sleeve 202 is correspondingly increased, and the reserved wedge-shaped height h inside the hole is increased₁And (4) increasing.When the high-strength bolt 203 is screwed in, h is shown in FIGS. 3 (a) and (b)₂Is significantly less than h₁The insertion depth of the wedge-shaped steel plate 103 is limited and controlled, and the vertical relative position between the upper plate section 101 and the lower plate section 102 is limited.

8) And (3) hoisting the upper plate section 101, inserting the wedge-shaped steel plate 103 at the bottom of the upper plate section into the stepless adjusting sleeve connecting piece 2 in an aligning way, and screwing the high-strength bolt 203 to adjust the height of each contact point until the requirements on the level and the vertical are met. After the requirement is met, the hook of the crane is completely released, so that the upper plate section 101 is erected on the lower plate section 102.

As shown in fig. 4, a plurality of stepless adjusting sleeve connecting pieces 2 are arranged between the upper plate section 101 and the lower plate section 102 along the circumferential direction; the height of the wedge-shaped reserved inside each stepless adjusting sleeve connecting piece 2 is controlled, so that the upper plate section 2 is wholly horizontal, the sections are vertically assembled, and the assembling precision is improved.

9) Filling the filling material 207 through the grout inlet 206, and judging that the filling material 207 is filled after the filling material 207 flows out from the grout outlet 207. And then finishing the connection after the filling material 207 is solidified, wherein the concrete and the building adhesive 207 are determined according to the requirements of a construction party and the conditions of a construction site.

In the embodiment, in specific implementation: the filling material 207 may be a high strength grouting material or a construction glue.

Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, they are not to be considered repeated herein.