High-strength concrete tower piece and tower drum

Abstract

The utility model belongs to the technical field of wind power generation, and provides a high-strength concrete tower piece and a tower drum, the high-strength concrete tower piece comprises a plurality of high-strength concrete tower pieces, and every two adjacent high-strength concrete tower pieces in the plurality of high-strength concrete tower pieces are connected through an assembly structure. Every two high-strength concrete tower pieces with different horizontal heights in the multiple high-strength concrete tower pieces are sequentially connected in the axis direction of the high-strength concrete tower pieces through a butt-joint structure, and the butt-joint structures are used for reinforced connection and sealing between the multiple high-strength concrete tower pieces. The assembling structure comprises two assembling connecting plates fixedly installed on the two sides of the ends, close to each other, of the multiple high-strength concrete tower pieces, assembling bolts are inserted between the multiple assembling connecting plates through a plurality of through holes formed at equal intervals, and assembling nuts are installed at the other ends of the multiple assembling bolts through threads. The problems that due to the fact that integrated manufacturing is adopted, the size is too large, transportation cost is sharply increased, and transportation procedures are tedious are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wind power generation, especially to a high-strength concrete tower piece and tower cylinder. BACKGROUND

[0002] With the rapid development of China's wind power industry, the wind power tower cylinder in the wind driven generator becomes more and more important. With the large-scale trend of the wind driven generator leading to the longer, thicker and heavier wind power tower cylinder, the resonance risk and the collapse possibility are increased, so it is urgent to improve the rigidity of the wind power tower cylinder. The prefabricated assembly type concrete wind power tower cylinder is widely used due to the structural standardization and compact structure.

[0003] High-strength concrete is a new type of building material, which plays an increasingly important role in construction engineering with excellent performance. Compared with ordinary concrete, high-strength concrete improves its workability, compressive strength and durability by controlling the content of cement, the type of binding material and the particle size distribution, and is relatively more stable and reliable. High-strength concrete also has good environmental benefits. It uses less water in the production process to achieve higher strength with relatively low cement consumption, reducing resource consumption. And high-strength concrete can achieve larger bearing capacity with smaller cross-section. Compared with C60 concrete, the cross-section of components using C80 high-strength concrete can be reduced by 25%, and the building height can be increased by 33%, increasing the building area and space, helping to improve land resource utilization, reduce the consumption of building materials such as formwork and reinforcing components, reduce carbon dioxide emissions, and contribute to the "double carbon" goal, which is significant for the environment.

[0004] The patent with the publication number CN215719242U specifically discloses a high-strength wind power tower cylinder, which comprises a plurality of wind power tower cylinder bodies, first alloy plates and second alloy plates are arranged on both sides of the interior of the wind power tower cylinder bodies in a ring shape, a plurality of through openings are formed in the side surface of the second alloy plate, and a plurality of alloy columns are arranged on the right side of the first alloy plate. The first alloy plate, the second alloy plate, the alloy column and the through openings formed in the second alloy plate are used to connect and cooperate between the plurality of wind power tower cylinder bodies, so that the plurality of wind power tower cylinder bodies can be effectively supported by the alloy column and the second alloy plate when they are accidentally subjected to pressure, the overall strength of the plurality of wind power tower cylinder bodies is stronger, the pressure range of the welding points is wider, and the practicality and durability of the wind power tower cylinder are stronger.

[0005] However, the prior art uses integrated manufacturing, which has a large volume, resulting in increased transportation costs and complicated transportation procedures.

[0006] Therefore, it is necessary to provide a high-strength concrete tower piece and tower cylinder to solve the above technical problems. Utility model content

[0007] To solve the above technical problems, the utility model provides a kind of high-strength concrete tower piece and tower tube.

[0008] The utility model provides a kind of high-strength concrete tower piece on one aspect, including high-strength concrete tower piece, the high-strength concrete tower piece is provided with several, the high-strength concrete tower piece between adjacent two of several high-strength concrete tower piece is connected by assembly structure, the high-strength concrete tower piece between two of different horizontal height of several high-strength concrete tower piece is sequentially connected along its axial direction by butt joint structure, and the butt joint structure is used for the reinforcement connection and sealing between several high-strength concrete tower piece.

[0009] To reach the effect of butt joint adjacent two high-strength concrete tower pieces, form tower tube component, facilitate subsequent continuous assembly, as the utility model provides a kind of high-strength concrete tower piece and tower tube, preferably, the assembly structure includes two assembly connecting plates fixedly installed on the two sides of the end of several high-strength concrete tower piece mutually close, several assembly connecting plates are all inserted with assembly bolt by equidistantly opened several through holes, and another end of several assembly bolts is all equipped with assembly nut by thread.

[0010] To reach the effect that two high-strength concrete tower pieces can be preliminarily fixed, as the utility model provides a kind of high-strength concrete tower piece and tower tube, preferably, the butt joint structure includes several butt joint jacks equidistantly opened in the bottom end of several high-strength concrete tower pieces, and several high-strength concrete tower pieces are all inserted in the butt joint plug-in rod of another several high-strength concrete tower pieces top corresponding fixed setting by several butt joint jacks.

[0011] To reach the effect of providing certain gap, so that inner groove frame and outer groove frame communicate, as the utility model provides a kind of high-strength concrete tower piece and tower tube, preferably, the bottom end of several butt joint plug-in rods is all fixedly provided with gap pad.

[0012] To reach the effect of pouring concrete reinforcement at the two sides of the connection of two high-strength concrete tower pieces, as the utility model provides a kind of high-strength concrete tower piece and tower tube, preferably, the butt joint structure further includes several inner groove frames fixedly set in the inner side top of several high-strength concrete tower pieces, and the outer side top of several high-strength concrete tower pieces is all fixedly provided with outer groove frame.

[0013] The utility model provides a kind of tower tube on another aspect, including above-mentioned the high-strength concrete tower piece of one kind, still include the assembly base structure of setting in the bottom end of several high-strength concrete tower pieces.

[0014] To achieve the effect of fixing the high-strength concrete tower pieces from the bottom, this utility model provides a high-strength concrete tower piece and tower cylinder. Preferably, the assembly base structure includes an assembly plate seat installed at the bottom two bottom ends of the high-strength concrete tower pieces. The assembly plate seat has a plurality of wedge rod insertion holes equidistantly opened on its periphery. A reinforcing wedge rod is wedged into the interior of each of the plurality of wedge rod insertion holes. The ends of the plurality of reinforcing wedge rods that are close to each other extend and abut against the corresponding high-strength concrete tower piece.

[0015] In order to achieve the effect of pouring cement into the foundation pit and fixing the assembly plate, this utility model provides a high-strength concrete tower plate and tower cylinder. Preferably, a sinking rod is fixedly installed at the bottom end of the assembly plate, and several anti-detachment inclined plates are installed at equal intervals on both sides of the sinking rod. Several reinforcing steel bars are inserted through the sinking rod at equal intervals at both ends.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This new type of high-strength concrete tower plate and tower cylinder, through the adoption of a separate semi-circular arc design, solves the problem of excessive volume caused by the existing integrated tower cylinder manufacturing, which leads to a sharp increase in transportation costs and complicated transportation procedures.

[0018] This high-strength concrete tower plate and tower cylinder achieves the purpose of strengthening the connection by setting an inner and outer groove frame between two high-strength concrete tower plates, and pouring concrete into the groove formed between the inner and outer groove frames to fill the gap between the two high-strength concrete tower plates. Attached Figure Description

[0019] Figure 1 A structural schematic diagram of a preferred embodiment of a high-strength concrete tower plate and tower cylinder provided by this utility model;

[0020] Figure 2 for Figure 1 The diagram shows the structural schematic of the bottom of the high-strength concrete tower section.

[0021] Figure 3 for Figure 1 A schematic diagram of the structure at the top of the high-strength concrete tower section is shown.

[0022] Figure 4 for Figure 1 The diagram shows structure A.

[0023] Figure 5 for Figure 3 The diagram shows structure B.

[0024] The figure mark: 1, high-strength concrete tower piece; 2, assembly structure; 201, assembly connecting plate; 202, assembly bolt; 203, assembly nut; 3, butt joint structure; 301, butt joint socket; 302, butt joint plug; 303, gap pad; 304, inner groove frame; 305, outer groove frame; 4, assembly base structure; 401, assembly disc base; 402, wedge rod socket; 403, reinforcing wedge rod; 404, sunken embedded rod; 405, anti-disengagement inclined plate; 406, reinforcing steel bar. DETAILED DESCRIPTION

[0025] The utility model will be further explained below in combination with the drawings and embodiments.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 Among them, Figure 1 It is a preferred embodiment structure schematic view of a high-strength concrete tower piece and tower drum provided by the utility model; Figure 2 It is a structure schematic view of the bottom of the high-strength concrete tower piece shown in Figure 1 ; Figure 3 It is a structure schematic view of the top of the high-strength concrete tower piece shown in Figure 1 ; Figure 4 It is a structure schematic view of A shown in Figure 1 ; Figure 5 It is a structure schematic view of B shown in Figure 3 , a high-strength concrete tower piece, comprising high-strength concrete tower piece 1, high-strength concrete tower piece 1 is provided with several, two high-strength concrete tower pieces 1 between the adjacent several high-strength concrete tower pieces 1 are connected through assembly structure 2, two high-strength concrete tower pieces 1 between the different horizontal height of several high-strength concrete tower pieces 1 are all connected along its axial direction in turn through butt joint structure 3, and butt joint structure 3 is used for reinforcing connection and sealing between several high-strength concrete tower pieces 1.

[0027] High-strength concrete is a new type of building material, which plays an increasingly important role in construction engineering with excellent performance. Compared with ordinary concrete, high-strength concrete improves its workability, compressive strength and durability by controlling the content of cement, the type of binding material and the particle size distribution, and is relatively more stable and reliable. High-strength concrete also has good environmental benefits. It uses less water in the production process to achieve higher strength with relatively low cement consumption, reducing resource consumption. High-strength concrete can achieve greater load-carrying capacity with smaller cross-section. Compared with C60 concrete, the cross-section of C80 high-strength concrete components can be reduced by 25%, the building height can be increased by 33%, the building area and space can be increased, which helps to improve the utilization rate of land resources, reduce the consumption of building materials such as formwork and reinforcing components, and reduce carbon dioxide emissions.

[0028] The high-strength concrete tower piece 1 can be proportioned in the following manner. The cement should be 52.5 Portland cement, the 3-day compressive strength should be > 30 MPa, the 28-day compressive strength should be > 56 MPa, and other indicators should meet the requirements of GB175. The mineral powder should be S95 or above, the 28-day activity index should be > 95%, and it should meet the requirements of GB / T 18046 standard. The fly ash should be F-class II fly ash or have technical indicators reaching the level of II class and stable quality, the water demand ratio should be < 105%, and it should meet the requirements of GB1596 for fly ash used in cement and concrete. The sand should be II-zone natural river sand, the fineness modulus should be 2.9-3.1, the clay content should be < 2%, the particle size > 5mm content should be < 5%, the gradation should be qualified, there should be no other harmful impurities, the crushing value should be < 20%, and other indicators should meet the requirements of GB / T14684. When river sand cannot be purchased, mixed sand can be used to make the gradation of the mixed sand meet the requirements. The crushed stone should be 5-20mm, the gradation should be continuous, the needle flake content should be < 5%, there should be no weathered weak particles, the crushing value should be < 8%, the stone powder and clay content should be < 0.5%, there should be no clay blocks, and other indicators should meet the requirements of GB / T14685. The silica fume activity index should be (7d rapid method) ≥ 105%, the water demand ratio should be < 125%, and other indicators should meet the requirements of GB / T27690 for silica fume for mortar and concrete. The microbead activity index should be 28d > 90%, the water demand ratio should be ≤ 90%, and other indicators should meet the requirements of JG / T486-2015. The water-reducing agent should be polycarboxylic acid high-performance water-reducing agent, the water-reducing rate should be ≥ 25%, and other indicators should meet the requirements of GB8076 and GB50119. The mixing water should be drinking water. When surface water is used, it should be tested at least once every 6 months, and when underground water is used, it should be tested once a year; the test items should include pH value, soluble matter, insoluble matter, chloride ion, alkali content, and should meet the requirements of the current national standard JGJ 63.

[0029] Subsequent to the C80 high-strength concrete mix ratio is further optimized, the C90 high-strength concrete mix ratio is designed. Test method: compressive strength test: make C80, C90 high-strength concrete standard test block, according to the relevant standard for curing, and then carry on the compressive strength test. Test the compressive strength at different ages (such as 3d, 7d, 28d, etc.), analyze its change rule.

[0030] Process optimization: according to the test results, adjust the mix proportion and preparation process parameters of concrete, such as water-cement ratio, sand ratio, admixture content, etc., to optimize the performance of concrete. Determine the best mix ratio and process parameter combination.

[0031] In the specific implementation process, referring to Figure 2 and Figure 5 As shown, the assembly structure 2 includes two assembly connecting plates 201 fixedly installed on both sides of the end of the plurality of high-strength concrete tower pieces 1 close to each other, a plurality of assembly connecting plates 201 are inserted with assembly bolts 202 through a plurality of through holes opened at equal intervals, and the other end of the plurality of assembly bolts 202 is threaded with assembly nuts 203.

[0032] The assembly nut 203 is threadedly engaged with the corresponding assembly bolt 202, and the adjacent two high-strength concrete tower pieces 1 are fixed to form a complete tower cylinder, reducing the assembly difficulty.

[0033] It should be noted that: the adjacent two high-strength concrete tower pieces 1 are evenly smeared with concrete for sealing connection, and the plurality of high-strength concrete tower pieces 1 are semicircular arc pipes.

[0034] In the specific implementation process, referring to Figure 2 and Figure 5 As shown, the butt joint structure 3 includes a plurality of butt joint sockets 301 opened at equal intervals at the bottom end of the plurality of high-strength concrete tower pieces 1, and the plurality of high-strength concrete tower pieces 1 are inserted into the corresponding butt joint socket 301 at the top of the other plurality of high-strength concrete tower pieces 1.

[0035] The plurality of butt joint sockets 301 are inserted into the corresponding butt joint socket 301 in an interference fit, to increase the connection tightness between the upper and lower two high-strength concrete tower pieces 1, and the upper and lower two high-strength concrete tower pieces 1 are also smeared with a concrete adhesive to increase the connection stability between the upper and lower two high-strength concrete tower pieces 1.

[0036] It should be noted that: the plurality of high-strength concrete tower pieces 1 are mixed by water, Portland cement, microbeads, mineral powder, silica fume, medium sand, gravel, and pumping agent in a certain proportion.

[0037] In the specific implementation process, referring to Figure 5As shown, the bottom end of the butt joint plug rod 302 is fixedly provided with a gap pad 303.

[0038] The gap pad 303 ensures the gap between the upper and lower high-strength concrete tower pieces 1, communicates the inner groove frame 304 and the outer groove frame 305, and then pours cement between the inner groove frame 304 and the outer groove frame 305. After solidification, the upper and lower high-strength concrete tower pieces 1 are fixed.

[0039] In the specific implementation process, referring to Figure 2 and Figure 5 As shown, the butt joint structure 3 further comprises a plurality of inner groove frames 304 fixedly arranged at the top of the plurality of high-strength concrete tower pieces 1, and an outer groove frame 305 fixedly arranged at the top of the plurality of high-strength concrete tower pieces 1.

[0040] The inner groove frame 304 and the outer groove frame 305 form a gap, and then cement is poured between the inner groove frame 304 and the outer groove frame 305. After solidification, the upper and lower high-strength concrete tower pieces 1 are fixed.

[0041] It should be noted that the top of the inner groove frame 304 and the outer groove frame 305 and the end close to each other are designed as openings, which facilitates the internal cement communication behavior,

[0042] The utility model also provides a tower drum, including a kind of high-strength concrete tower piece, further include the assembly base structure 4 of being arranged at the bottom end of several high-strength concrete tower pieces 1.

[0043] In the specific implementation process, referring to Figure 1 and Figure 4 As shown, the assembly base structure 4 comprises an assembly disc seat 401 mounted at the bottom end of the two high-strength concrete tower pieces 1 in the plurality of high-strength concrete tower pieces 1. The peripheral side of the assembly disc seat 401 is equidistantly provided with a plurality of wedge rod insertion holes 402, and the inside of the plurality of wedge rod insertion holes 402 is wedged with a reinforcing wedge rod 403. The end close to each other of the plurality of reinforcing wedge rods 403 is extended to abut the corresponding high-strength concrete tower piece 1.

[0044] The bottom end of the two high-strength concrete tower pieces 1 of the assembly disc seat 401 is a top-opened disc-shaped cement pouring box body, which can wrap and support the two high-strength concrete tower pieces 1 at the bottom. Avoid the problem of inclination and collapse of the two high-strength concrete tower pieces 1 at the bottom due to soft foundation. The end close to each other of the plurality of reinforcing wedge rods 403 clamps the two high-strength concrete tower pieces 1 at the bottom, which plays a secondary fixing role.

[0045] In the specific implementation process, referring to Figure 1 and Figure 4As shown, the bottom end of the assembly disc seat 401 is fixedly provided with a sunken embedded rod 404, the two sides of the sunken embedded rod 404 are equidistantly and obliquely provided with a plurality of anti-tilting plates 405, and the two ends of the sunken embedded rod 404 are equidistantly and penetratingly connected with a plurality of reinforcing steel bars 406.

[0046] The plurality of anti-tilting plates 405 increase the contact area with the poured cement, improve the placing stability of the equipment, and the plurality of reinforcing steel bars 406 can ensure the connection stability between the cement and the reinforcing steel bars, and avoid the problem of unstable fixation.

[0047] It should be noted that the plurality of reinforcing steel bars 406 are building steel bars made of low-carbon steel, the inclination angle of the plurality of anti-tilting plates 405 is 45 degrees, and the two ends of the plurality of anti-tilting plates 405 are equidistantly provided with a plurality of anti-skid convex points.

[0048] The working principle of the high-strength concrete tower piece and the tower cylinder provided by the utility model is as follows:

[0049] In use, the sunken embedded rod 404 is placed in the foundation pit, and cement slurry is injected into the foundation pit, so that the cement slurry uniformly fills the top of the plurality of anti-tilting plates 405, increases the connection stability between the plurality of anti-tilting plates 405 and the foundation pit, and the plurality of reinforcing steel bars 406 are penetratingly connected in the sunken embedded rod 404 to achieve the secondary reinforcing effect, the two high-strength concrete tower pieces 1 are placed on the top of the assembly disc seat 401, the plurality of reinforcing wedge rods 403 are tightly wedged inside to fix the two high-strength concrete tower pieces 1, the corresponding assembly connecting plates 201 are close to each other, and are fixed by the threaded cooperation of the assembly bolts 202 and the assembly nuts 203; the corresponding two assembly connecting plates 201 are then injected with cement slurry for fixation, the plurality of butt insertion holes 301 at the bottom of the other two interconnected high-strength concrete tower pieces 1 are placed on the butt insertion rods 302 on the top of the already assembled high-strength concrete tower piece 1 for preliminary positioning and fixation, and then the concrete is filled in the gap between the inner groove frame 304 and the outer groove frame 305 to reinforce the connection between the high-strength concrete tower pieces 1.

[0050] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A high-strength concrete tower plate, characterized in that, The system includes high-strength concrete tower plates (1), and several high-strength concrete tower plates (1) are provided. Two adjacent high-strength concrete tower plates (1) are connected by an assembly structure (2). Two high-strength concrete tower plates (1) at different horizontal heights are connected sequentially along their axial direction by a butt joint structure (3). The butt joint structure (3) is used for reinforcement and sealing between the high-strength concrete tower plates (1). The assembly structure (2) includes two assembly connecting plates (201) fixedly installed on both sides of the high-strength concrete tower plates (1) that are close to each other. Assembly bolts (202) are inserted into the assembly connecting plates (201) through a plurality of through holes that are opened at equal intervals. Assembly nuts (203) are installed on the other end of the assembly bolts (202) through threads. The docking structure (3) includes several docking holes (301) equidistantly opened at the bottom of several high-strength concrete tower pieces (1), and several high-strength concrete tower pieces (1) are all inserted into docking rods (302) that are fixedly set on the top of several other high-strength concrete tower pieces (1) through several docking holes (301). Each of the aforementioned docking rods (302) has a gap pad (303) fixedly provided at its bottom end; The docking structure (3) also includes several inner slot frames (304) fixedly installed on the top of the inner side of several high-strength concrete tower pieces (1), and an outer slot frame (305) fixedly installed on the top of the outer side of several high-strength concrete tower pieces (1).

2. A tower, comprising a high-strength concrete tower section as described in any one of claims 1, characterized in that, It also includes an assembly base structure (4) set at the bottom of several of the high-strength concrete tower sections (1).

3. The tower according to claim 2, characterized in that, The assembly base structure (4) includes an assembly plate (401) installed at the bottom of the bottom two of the high-strength concrete tower plates (1) among the plurality of high-strength concrete tower plates (1). The assembly plate (401) has a plurality of wedge rod insertion holes (402) equidistantly opened on its periphery. A reinforcing wedge rod (403) is wedged into the interior of each of the plurality of wedge rod insertion holes (402). The ends of the plurality of reinforcing wedge rods (403) that are close to each other extend to abut against the corresponding high-strength concrete tower plate (1).

4. The tower according to claim 3, characterized in that, The bottom end of the assembly plate (401) is fixedly provided with a sinking rod (404), and several anti-detachment inclined plates (405) are provided at equal intervals on both sides of the sinking rod (404). Several reinforcing steel bars (406) are inserted through the sinking rod (404) at equal intervals.

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