Precast concrete tower drum component

Abstract

The utility model belongs to the technical field of wind power generation, and provides a precast concrete tower drum component which comprises a plurality of precast concrete tower drums, the precast concrete tower drums are sequentially connected through connecting structures in the axial direction of the precast concrete tower drums, and embedded mounting base structures are mounted at the bottom ends of the precast concrete tower drums. The connecting structure is used for connecting and sealing every two adjacent prefabricated concrete tower drums in the multiple prefabricated concrete tower drums, the connecting structure comprises inserting connection annular grooves formed in the two ends of the interiors of the multiple prefabricated concrete tower drums, and a plurality of connecting inserting grooves are formed in the multiple inserting connection annular grooves at equal intervals; and the same butt joint cylinder is inserted between every two adjacent insertion annular grooves in the multiple insertion annular grooves. The problems that in the assembling process, two prefabricated concrete tower barrels are vertically placed, a large amount of poured cement mortar is scattered, and materials are wasted are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wind power generation, especially to a prefabricated concrete tower drum component. BACKGROUND

[0002] With the rapid development of wind power industry, the single machine capacity of wind turbine is increasing, in order to effectively utilize wind energy, the wind turbine tower is also higher and higher. As the bearing support part of the whole wind turbine, the cost of the tower accounts for about one fourth of the whole wind turbine cost; the commonly used towers include truss tower, conical steel tower drum and prefabricated concrete tower drum. The prefabricated concrete tower drum is widely used because it is easy to manufacture, simple to transport, convenient to install and has less impact on the ecological environment.

[0003] The patent with the publication number CN221096719U relates to a prefabricated assembly type concrete tower drum, which comprises a tower drum section, a slurry layer and a sealing ring. The tower drum section has a first end and a second end opposite in the axial direction of the tower drum; the slurry layer is laid between the first end and the second end; the sealing ring comprises a first sealing part and a second sealing part connected together, the first sealing part is opposite to the first end in the radial direction of the tower drum and has a first gap, and the second sealing part is opposite to the second end in the radial direction of the tower drum section and has a second gap, so that part of the slurry of the slurry layer is extruded into the first gap and the second gap under the extrusion force between the second end and the first end.

[0004] The above-mentioned patent realizes the fixed connection of the two prefabricated assembly type concrete tower drums by pouring cement mortar into the slurry part between the two prefabricated assembly type concrete tower drums, and the pouring of cement mortar is wasted when the two prefabricated assembly type concrete tower drums are placed vertically during assembly.

[0005] Therefore, it is necessary to provide a prefabricated concrete tower drum component to solve the above-mentioned technical problems. UTILITY MODEL CONTENTS

[0006] To solve the above-mentioned technical problems, the utility model provides a prefabricated concrete tower drum component.

[0007] The prefabricated concrete tower drum component provided by the utility model comprises a plurality of prefabricated concrete tower drums, the prefabricated concrete tower drums are connected in sequence along the axial direction of the prefabricated concrete tower drums through a connecting structure, a pre-buried mounting base structure is mounted at the bottom end of the prefabricated concrete tower drums, and the connecting structure is used for connecting and sealing between two adjacent prefabricated concrete tower drums in the prefabricated concrete tower drums.

[0008] In order to achieve flexible connection, prevent waste of cement mortar, the utility model provides a prefabricated concrete tower drum component, preferably, the connecting structure includes the plug -in annular groove of opening in the both ends of a plurality of prefabricated concrete tower drum inside, a plurality of plug -in annular groove all equidistantly open a plurality of connecting insertion groove, a plurality of plug -in annular groove adjacent two between the plug -in annular groove all plug -in same one docking cylinder, a plurality of docking cylinder's outside both ends all are correspondingly inserted in the equidistantly opened connecting insertion groove inside of adjacent two plug -in annular groove through the evenly arranged a plurality of connecting insertion block.

[0009] In order to achieve the effect of increasing the sealing between two prefabricated concrete tower drums, the utility model provides a prefabricated concrete tower drum component, preferably, the outside of a plurality of docking cylinders and between adjacent two prefabricated concrete tower drums is fixedly provided with a sealing annular plate, and the both ends of a plurality of sealing annular plates are fixedly provided with sealing washers.

[0010] In order to achieve the effect of reinforcing the connection between two prefabricated concrete tower drums, the utility model provides a prefabricated concrete tower drum component, preferably, a plurality of connecting steel bars are equidistantly arranged in the inside of a plurality of prefabricated concrete tower drums, the bottom end of a plurality of connecting steel bars is extended through the corresponding prefabricated concrete tower drum, and is inserted in the inside of the connecting steel bar hole one corresponding to the top of the adjacent prefabricated concrete tower drum.

[0011] In order to achieve the effect of increasing the support stability of the bottom end, the utility model provides a prefabricated concrete tower drum component, preferably, the embedded mounting base structure includes a supporting seat plate placed at the bottom end of the bottom prefabricated concrete tower drum in a plurality of prefabricated concrete tower drums, and the connecting steel bar hole two is evenly arranged on the top periphery of the supporting seat plate and is correspondingly inserted in the connecting steel bar arranged at the bottom end of the bottom prefabricated concrete tower drum.

[0012] In order to achieve the effect of increasing the connection stability between the prefabricated concrete tower drum and the embedded mounting base structure, the utility model provides a prefabricated concrete tower drum component, preferably, a bottom plug-in seat disc is inserted in the inside of the bottom end of the bottom prefabricated concrete tower drum, and the periphery of the bottom plug-in seat disc is correspondingly inserted in the connecting insertion groove inside the bottom end of the bottom prefabricated concrete tower drum through the evenly arranged a plurality of bottom plug -in blocks.

[0013] In order to achieve the effect of increasing the fixed contact area with the ground and improving the placing stability, the utility model provides a prefabricated concrete tower drum component, preferably, the embedded mounting base structure further includes a pre-embedded rod fixedly arranged at the bottom axis of the supporting seat plate, and a plurality of anti -drop anchor plates are symmetrically and equidistantly arranged on the periphery of the pre-embedded rod.

[0014] In order to achieve the effect of increasing sealing capacity and reducing the damage rate of the sealing element, the utility model provides a prefabricated concrete tower drum component, preferably, the plurality of sealing washers are all PVC sealing rings.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The prefabricated concrete tower drum component solves the problem that two prefabricated assembly type concrete tower drums are vertically placed during assembly of the prior art, resulting in a large amount of poured cement mortar falling and causing waste of materials.

[0017] The prefabricated concrete tower drum component increases the sealing capacity of the connection by providing a sealing washer between the two prefabricated concrete tower drums, solves the problem that the connection is not tight after installation of the prior art, resulting in corrosion by external corrosive substances, and effectively improves the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A preferred embodiment of the prefabricated concrete tower drum component of the utility model is shown in the structural schematic view.

[0019] Figure 2 For Figure 1 The prefabricated concrete tower drum structure is shown in the structural schematic view.

[0020] Figure 3 For Figure 1 The structure of A is shown in the structural schematic view.

[0021] Figure 4 For Figure 1 The structure of B is shown in the structural schematic view.

[0022] Reference numerals in the drawing: 1, prefabricated concrete tower drum; 2, connecting structure; 201, plug-in annular groove; 202, connecting insertion groove; 203, butt joint cylinder; 204, connecting insertion block; 205, sealing annular plate; 206, sealing washer; 207, connecting steel bar; 208, connecting steel bar hole one; 3, pre-buried mounting base structure; 301, bearing seat plate; 302, connecting steel bar hole two; 303, bottom plug-in seat disc; 304, bottom insertion block; 305, pre-buried rod; 306, anti-dropping anchoring plate. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and embodiments.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , wherein,Figure 1 A preferred embodiment of the prefabricated concrete tower drum component provided by the utility model provides a structural schematic view; Figure 2 A Figure 1 The prefabricated concrete tower drum structure schematic view is shown in the figure. Figure 3 A Figure 1 The structure schematic view of A is shown in the figure. Figure 4 A Figure 1 The structure schematic view of B is shown in the figure, comprising a prefabricated concrete tower drum component, a plurality of prefabricated concrete tower drums 1, the plurality of prefabricated concrete tower drums 1 are connected in sequence along the axial direction thereof through connecting structures 2 between the plurality of prefabricated concrete tower drums 1, and a pre-buried mounting base structure 3 is mounted at the bottom end of the plurality of prefabricated concrete tower drums 1, and the connecting structure 2 is used for connecting and sealing between adjacent two prefabricated concrete tower drums 1 in the plurality of prefabricated concrete tower drums 1.

[0025] The plurality of prefabricated concrete tower drums 1 are fixed through interference fit of the connecting structure 2, so that the connection tightness between the plurality of prefabricated concrete tower drums 1 can be ensured, and the collapse problem does not occur under the action of external force impact, and in addition, the plurality of prefabricated concrete tower drums 1 are matched by using the ingredient table shown in the following figure:

[0026]

[0027] In the specific implementation process, reference is made to Figure 2 and Figure 3 The connecting structure 2 comprises plug-in annular grooves 201 opened at both ends inside the plurality of prefabricated concrete tower drums 1, a plurality of connecting insertion grooves 202 are equidistantly opened inside the plurality of plug-in annular grooves 201, and the same butt cylinder 203 is plugged between adjacent two plug-in annular grooves 201 in the plurality of plug-in annular grooves 201, and the outer two ends of the plurality of butt cylinders 203 are plugged into the plurality of connecting insertion grooves 202 equidistantly opened inside the adjacent two plug-in annular grooves 201 through the plurality of connecting insertion blocks 204 uniformly arranged.

[0028] The plurality of prefabricated concrete tower drums 1 are connected at both ends of the butt cylinder 203 through interference fit of the plug-in annular grooves 201 opened at both ends inside, and are filled with concrete, so that the friction of the connecting part is increased, and the problem of connection misplacement between adjacent two prefabricated concrete tower drums 1 is eliminated.

[0029] It should be noted that: the plurality of prefabricated concrete tower drums 1 are generated by mixing water, cement, fly ash, mineral powder, medium sand, microbeads, silica fume and gravel in a certain proportion, and the plurality of prefabricated concrete tower drums 1 are pipe fittings with open ends.

[0030] 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 out the compressive strength test. Test the compressive strength at different ages (such as 3d, 7d, 28d, etc.), analyze its change rule.

[0031] 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 proportion and process parameter combination.

[0032] In the specific implementation process, referring to Figure 3 The outer part of the several connecting barrels 203 between the adjacent two prefabricated concrete tower barrels 1 is fixedly provided with a sealing annular plate 205, and the two ends of the several sealing annular plates 205 are fixedly provided with sealing gaskets 206.

[0033] The sealing annular plate 205 can play a certain sealing and shock absorption effect after the abutment of the adjacent two prefabricated concrete tower barrels 1, and the sealing gasket 206 can increase the sealing between the sealing annular plate 205 and the adjacent two prefabricated concrete tower barrels 1, and reduce the problem of invasion of external corrosive substances.

[0034] It should be noted that the several sealing gaskets 206 are annular, and the outer diameter of the several sealing gaskets 206 is smaller than that of the corresponding sealing annular plate 205.

[0035] In the specific implementation process, referring to Figure 3 The inside of the several prefabricated concrete tower barrels 1 is provided with several connecting steels 207 at equal intervals, the bottom end of the several connecting steels 207 extends through the corresponding prefabricated concrete tower barrel 1, and is inserted into the connecting steel hole one 208 corresponding to the top of the adjacent prefabricated concrete tower barrel 1.

[0036] By providing several connecting steels 207 at equal intervals in the inside of the several prefabricated concrete tower barrels 1, the impact resistance of the inside of the several prefabricated concrete tower barrels 1 can be increased by using the several connecting steels 207, and the service life of the several prefabricated concrete tower barrels 1 can be increased. The connecting steels 207 are inserted into the connecting steel hole one 208 corresponding to the top of the adjacent prefabricated concrete tower barrel 1, to complete the connection between the two adjacent prefabricated concrete tower barrels 1, which can play the role of secondary reinforcement and increase the impact resistance of the connection.

[0037] It should be noted that the several connecting steels 207 are low-carbon steels, and the several connecting steels 207 are inserted into the corresponding connecting steel hole one 208 by interference fit.

[0038] In the implementation process, referring to Figure 1 And Figure 4 As shown in the figure, the embedded installation base structure 3 includes a supporting seat plate 301 placed at the bottom of the bottom precast concrete tower cylinder 1, and the top of the supporting seat plate 301 is inserted into the connecting steel bars 207 arranged at the bottom end of the bottom precast concrete tower cylinder 1 through the uniformly arranged connecting steel bar holes 302.

[0039] The bottom precast concrete tower cylinder 1 is placed on the supporting seat plate 301 and filled with concrete to increase the stability of the equipment and avoid connection gaps that cause loose connections.

[0040] In the implementation process, referring to Figure 4 As shown in the figure, the bottom precast concrete tower cylinder 1 is inserted into the bottom insertion seat disc 303, and the periphery of the bottom insertion seat disc 303 is inserted into the connecting insertion slot 202 arranged inside the bottom precast concrete tower cylinder 1 through the uniformly arranged bottom insertion blocks 304.

[0041] In the implementation process, referring to Figure 1 As shown in the figure, the embedded installation base structure 3 further includes a pre-embedded rod 305 fixedly arranged at the bottom axis of the supporting seat plate 301, and the periphery of the pre-embedded rod 305 is symmetrically and equidistantly provided with a plurality of anti-extraction anchor plates 306.

[0042] The pre-embedded rod 305 and the plurality of anti-extraction anchor plates 306 are pre-embedded in the ground to increase the contact area with the ground and avoid loose connections.

[0043] It should be noted that the top of each of the plurality of anti-extraction anchor plates 306 is inclined and provided with a plurality of barbs, and the distance between the plurality of anti-extraction anchor plates 306 is 10-30 cm.

[0044] In the implementation process, referring to Figure 3 As shown in the figure, the plurality of sealing washers 206 are PVC sealing rings.

[0045] Using PVC sealing rings as the raw material of the plurality of sealing washers 206 can increase the corrosion resistance of the plurality of sealing washers 206 in harsh external environments, thereby improving the sealing performance and buffering performance of the connection.

[0046] The working principle of the precast concrete tower cylinder component provided by the utility model is as follows:

[0047] In use, the pre-embedded rod 305 is placed in a pre-dug pit, and the earth is filled to bury several anti-disengagement anchor plates 306, to fix the pre-embedded mounting base structure 3, then the bottom end of the prefabricated concrete tower drum 1 is inserted around the bottom insertion seat disc 303 on the top of the supporting base 301, and the several connection insertion grooves 202 opened at the bottom end inside the bottom end of the prefabricated concrete tower drum 1 are correspondingly inserted outside the several bottom insertion blocks 304 arranged around the insertion seat disc 303, to be secondarily fixed and connected, then the top of the prefabricated concrete tower drum 1 is inserted outside the connection insertion blocks 204 arranged around the butt joint drum 203 through the several connection insertion grooves 202, to be inserted and fixed, and the several connection insertion grooves 202 opened at the bottom of another prefabricated concrete tower drum 1 are inserted outside the connection insertion blocks 204 arranged around the butt joint drum 203, to realize the connection of two prefabricated concrete tower drums 1, meanwhile, the two prefabricated concrete tower drums 1 are secondarily fixed by the interference insertion cooperation of the connecting steel bars 207 and the connecting steel bar holes 208, and the several sealing gaskets 206 rely on the material properties of PVC to ensure the sealing of the connection.

[0048] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A precast concrete tower section, characterized by The application relates to a prefabricated concrete tower, which comprises a plurality of prefabricated concrete tower cylinders (1), the plurality of prefabricated concrete tower cylinders (1) are sequentially connected along the axial direction of the plurality of prefabricated concrete tower cylinders (1) through connecting structures (2), and the bottom ends of the plurality of prefabricated concrete tower cylinders (1) are provided with embedded mounting base structures (3).

2. The precast concrete tower section of claim 1, wherein, The connecting structure (2) comprises plug-in annular grooves (201) which are arranged at the two ends in the interiors of the plurality of prefabricated concrete tower cylinders (1), a plurality of connecting plug-in grooves (202) are equidistantly arranged in the interiors of the plurality of plug-in annular grooves (201), and a same butt joint cylinder (203) is plugged in between every two adjacent plug-in annular grooves (201) in the plurality of plug-in annular grooves (201).

3. The precast concrete tower section of claim 2, wherein, The outer sides of the plurality of butt joint cylinders (203) and between every two adjacent prefabricated concrete tower cylinders (1) are fixedly provided with sealing annular plates (205), and the two ends of the plurality of sealing annular plates (205) are fixedly provided with sealing gaskets (206).

4. The precast concrete tower section of claim 2, wherein, The interiors of the plurality of prefabricated concrete tower cylinders (1) are equidistantly provided with a plurality of connecting steel bars (207), the bottom ends of the plurality of connecting steel bars (207) extend through the corresponding prefabricated concrete tower cylinders (1) and are plugged in the connecting steel bar hole one (208) arranged at the top of the adjacent prefabricated concrete tower cylinder (1).

5. The precast concrete tower section of claim 1, wherein, The embedded mounting base structure (3) comprises a supporting seat plate (301) arranged at the bottom end of the bottom prefabricated concrete tower cylinder (1) in the plurality of prefabricated concrete tower cylinders (1), and the top periphery of the supporting seat plate (301) is plugged in the connecting steel bar (207) arranged at the bottom end of the bottom prefabricated concrete tower cylinder (1) through the equidistantly arranged connecting steel bar hole two (302).

6. The precast concrete tower section of claim 5, wherein, The bottom end of the bottom prefabricated concrete tower cylinder (1) is plugged in a bottom plug-in seat disc (303), and the periphery of the bottom plug-in seat disc (303) is plugged in the connecting plug-in groove (202) arranged in the interior of the bottom prefabricated concrete tower cylinder (1) through the equidistantly arranged plurality of bottom plug-in blocks (304).

7. The precast concrete tower section of claim 5, wherein, The embedded mounting base structure (3) further comprises an embedded rod (305) fixedly arranged at the bottom axial center of the supporting seat plate (301), and the periphery of the embedded rod (305) is symmetrically and equidistantly provided with a plurality of anti-disengagement anchoring plates (306).

8. The precast concrete tower section of claim 3, wherein, The plurality of sealing gaskets (206) are PVC sealing rings.

Images