Connecting and reinforcing device for wind power tower drum and foundation

By introducing structures such as positioning cylinders, anti-pull-out, cable-stayed threaded piles and arc-shaped rods into the wind power tower reinforcement device, the problems of poor stability of the base and ground connection and rotation and shaking of the tower are solved, and better towers are achieved The connection stability between the cylinder and the reinforcement device and the stability of the ground foundation.

CN222254213UActive Publication Date: 2024-12-27HUNAN HUADIAN CHENZHOU WIND POWER CO LTD YOUMA BRANCH
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Patent Information

Application Number
CN202421615176.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2024-12-27
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The existing wind turbine tower reinforcement device has poor stability in the connection between the base and the ground, and there is a lack of a fixed structure between the tower and the reinforcement cylinder, which causes the tower to easily rotate and shake in strong windy weather.

Method used

A wind power tower connection reinforcement device is designed, including a base, reinforcement cylinder and anti-loosening components. Through the structures such as positioning cylinder, anti-pull block, auxiliary pile rod, cable-stayed thread pile, arc-shaped rod and clamping hoop, etc. Strengthen the connection stability between the base and the ground and the tower and the reinforcement cylinder.

Benefits of technology

The stable connection between the base and the ground is achieved to prevent loosening, and the lateral support effect of the tower is enhanced through the trapped rod and the arc rod, improving the overall stability of the tower and avoiding rotation and shaking.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a wind power tower tube and foundation connection reinforcing device, and relates to the field of wind power tower tube reinforcing devices, the wind power tower tube and foundation connection reinforcing device comprises a base, a reinforcing tube and an anti-loosening assembly, the middle part of the lower end of the base is provided with a positioning tube of an integrated structure, the outer side of the positioning tube is welded with an anti-pulling block, and the interior of the base is vertically connected with an auxiliary pile rod; the lower end of the reinforcing cylinder is connected with a positioning pile rod of a conical structure, the positioning pile rod is inserted into the positioning cylinder, meanwhile, the outer wall of the reinforcing cylinder is connected with a diagonal draw bar, the outer side of the diagonal draw bar is connected with an arc-shaped rod, the upper end of the arc-shaped rod is connected with a hoop, and the anti-loosening assembly is connected to the edge of the base and comprises an inclined block and a horizontal block. A cable-stayed threaded pile is in threaded connection with the interior of the inclined block, and a rotary handle threaded rod is in threaded connection with the interior of the horizontal block. The wind driven generator tower drum reinforcing device solves the problems that according to an existing wind driven generator tower drum reinforcing device, the stability of connection between a base and the ground is poor, and a fixing structure is lacked between a tower drum and a reinforcing drum, so that the tower drum is prone to rotating and shaking.
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Description

Technical Field

[0001] The utility model relates to the technical field of wind power tower reinforcement devices, in particular to a wind power tower and foundation connection reinforcement device. Background Art

[0002] The wind turbine tower is the tower of the wind turbine, which mainly plays a supporting role in the wind turbine generator set. As an important part of the construction of wind farms, the wind turbine tower is not only related to the safe and reliable operation of the wind farm, but also affects the return on investment of the wind farm. After searching, the prior art (Announcement No.: CN217712815U) records "a new type of wind turbine tower reinforcement device, including a base and a reinforcement tube, the reinforcement tube is vertically placed on the top of the base, and the wall of the reinforcement tube is fixed with a plurality of evenly distributed plug rings, the top of the base and the outside of the reinforcement tube are provided with an annular groove, the inside of the annular groove is provided with an annular plate, the top of the annular plate is fixed with a plurality of evenly distributed support rods, the upper ends of the plurality of support rods are fixed with fixed blocks, the bottoms of the plurality of fixed blocks are fixed with plug rods, and the plurality of plug rods are correspondingly inserted into the inside of the plug rings, the inside of the base is provided with a cavity, and the inside of the cavity is provided with a driving mechanism connected to the annular plate. This solves the problem of the complex installation process of the wind turbine tower reinforcement device in the prior art. It belongs to the technical field of wind power generation equipment."

[0003] Although the wind turbine tower reinforcement device in the prior art has achieved the convenience of installation, it still has some shortcomings: the base involved in the existing wind turbine tower reinforcement device is still installed and fixed to the ground foundation by a single bolt, and the bolts or piles are subject to the loosening changes of the soil and their own corrosion for a long time on the ground, resulting in stability deviation of the base itself. Secondly, the tower is directly inserted into the reinforcement tube, and there is a lack of a fixing structure between the reinforcement tube, which causes the tower to rotate and shake easily under the wind force in windy weather, resulting in tower stability deviation. Utility Model Content

[0004] In order to overcome the defects of the prior art, a wind turbine tower and foundation connection reinforcement device is provided to solve the problems of poor stability of the connection between the base and the ground in the existing wind turbine tower reinforcement device, and lack of a fixed structure between the tower and the reinforcement tube, which makes the tower easy to rotate and shake.

[0005] In order to achieve the above-mentioned purpose, a wind turbine tower and foundation connection reinforcement device is provided, including: a base, a reinforcement tube and an anti-loosening component, a positioning tube with an integrated structure is provided in the middle of the lower end of the base, and an anti-pullout block is welded to the outside of the positioning tube, and an auxiliary pile rod is vertically connected to the inside of the base, the lower end of the reinforcement tube is connected to a positioning pile rod with a conical structure, and the positioning pile rod is inserted into the inside of the positioning tube, and at the same time, an oblique tie rod is connected to the outer wall of the reinforcement tube, and an arc rod is connected to the outside of the oblique tie rod, and a clamp is connected to the upper end of the arc rod, the anti-loosening component is connected to the edge of the base, and the anti-loosening component includes an inclined block and a horizontal block, and an oblique threaded pile is screwed inside the inclined block, and a rotary handle threaded rod is screwed inside the horizontal block.

[0006] Furthermore, the positioning tube is configured as a conical tube structure, and an upper port of the positioning tube is flush with the base, and the base is placed on the foundation surface.

[0007] Furthermore, the anti-pullout block is configured as an inverted triangle block structure, and the anti-pullout block and the positioning tube are both inserted into the underground soil.

[0008] Furthermore, the reinforcement tube is configured as a cylindrical structure with an open upper end, and the inner wall of the reinforcement tube is provided with a shock-absorbing sleeve made of rubber material, and the tower tube is inserted into the shock-absorbing sleeve.

[0009] Furthermore, a hinge block is welded to the outer wall of the reinforcement tube, and the inclined tie rod is rotatably connected to the hinge block, and the lower end of the inclined tie rod is spread outward in an eight-shaped shape and is hinged to the upper end surface of the base.

[0010] Furthermore, the lower end of the arc rod is hinged to the outside of the inclined rod, and the clamp is fixed to the outer wall of the tower by bolts.

[0011] Furthermore, the inclined block is connected to the outer edge of the base, and the horizontal block is connected to the outer edge of the inclined block, and the inclined threaded pile and the inclined rod are set to the same inclined angle, and the inclined threaded pile is inserted into the foundation.

[0012] Furthermore, the lower end of the rotary handle threaded rod is rotatably connected to a connecting block, and two parallel clamping pile rods are welded to the lower end of the connecting block, and the clamping pile rods are clamped to the outside of the oblique-pull threaded pile.

[0013] The beneficial effects of the utility model are:

[0014] 1. During installation, first place the base on the ground, then use the positioning tube on the lower side of the base to embed it into the underground soil by hammering until the base fits the ground, then drive the auxiliary pile rod down into the ground, and then rotate the inclined threaded pile to insert it into the ground, and then insert the clamping pile rod into the ground by rotating the handle threaded rod, and keep the pressure clamped on the inclined threaded pile to prevent the inclined threaded pile from loosening, thereby achieving a stable connection between the base and the ground. At the same time, the anti-loosening component can play a supporting effect on the anti-tilting of the base;

[0015] 2. After the base is installed, insert the tower into the reinforcement tube, and then flip the arc rod upward so that the clamp is clamped on the outer wall of the tower, and then fix the clamp with bolts to achieve a stable connection between the tower and the reinforcement tube. At the same time, the lateral support effect of the positioning tube is enhanced by the inclined rod, and the lateral support effect of the tower is increased by the arc rod and the clamp, so that it is connected to the base as an integrated structure with better stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the front cross-section structure of an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall structure of the reinforcement tube of an embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the anti-loosening component of an embodiment of the utility model.

[0019] Figure 4 It is a schematic diagram of the side structure of the clamping pile rod according to an embodiment of the utility model.

[0020] In the figure: 1. base; 11. positioning cylinder; 12. anti-pullout block; 13. auxiliary pile rod; 14. inclined tie rod; 15. arc rod; 16. clamp; 2. reinforcement cylinder; 21. shock-absorbing sleeve; 22. positioning pile rod; 23. hinged block; 3. anti-loosening assembly; 31. tilting block; 32. oblique threaded pile; 33. rotary handle threaded rod; 34. horizontal block; 35. connecting block; 36. clamping pile rod. DETAILED DESCRIPTION

[0021] Reference Figures 1 to 4As shown, the utility model provides a wind power tower and foundation connection reinforcement device, including: a base 1, a reinforcement tube 2 and an anti-loosening component 3, a positioning tube 11 of an integrated structure is provided in the middle of the lower end of the base 1, and an anti-pullout block 12 is welded to the outer side of the positioning tube 11, and an auxiliary pile rod 13 is vertically connected to the inside of the base 1, a positioning pile rod 22 of a conical structure is connected to the lower end of the reinforcement tube 2, and the positioning pile rod 22 is plugged into the inside of the positioning tube 11, and at the same time, an oblique rod 14 is connected to the outer wall of the reinforcement tube 2, and an arc rod 15 is connected to the outer side of the oblique rod 14, and a clamp 16 is connected to the upper end of the arc rod 15, and the anti-loosening component 3 is connected to the base. 1 edge, and the anti-loosening assembly 3 includes a tilting block 31 and a horizontal block 34, and the tilting block 31 is internally screwed with an oblique threaded pile 32, and the horizontal block 34 is internally screwed with a rotary handle threaded rod 33, the tilting block 31 is connected to the outer edge of the base 1, and the horizontal block 34 is connected to the outer edge of the tilting block 31, and the oblique threaded pile 32 and the oblique rod 14 are set to the same inclination angle, and the oblique threaded pile 32 is inserted into the foundation, and the lower end of the rotary handle threaded rod 33 is rotatably connected with a connecting block 35, and the lower end of the connecting block 35 is welded with two parallel clamping pile rods 36, and the clamping pile rods 36 are clamped on the outer side of the oblique threaded pile 32.

[0022] In this embodiment, the base 1, the reinforcement tube 2 and the anti-loosening assembly 3 constitute the main structure of the wind turbine tower and foundation connection reinforcement device involved in this application.

[0023] As a preferred embodiment, by providing the anti-pullout block 12 and the auxiliary pile rod 13, the stability of the connection between the base 1 and the ground is enhanced.

[0024] Specifically, the positioning pile rod 22 is matched and plugged into the positioning tube 11, so as to realize the rapid installation of the reinforcement tube 2, and at the same time deepen the installation depth of the reinforcement tube 2, thereby improving the connection stability of the reinforcement tube 2.

[0025] As a preferred embodiment, the oblique threaded piles 32 are inserted obliquely into the underground soil, and then the oblique threaded piles 32 are pressed vertically downward by the clamping pile rods 36, so that the oblique threaded piles 32 maintain good stability, and at the same time, the oblique threaded piles 32 achieve a lateral support effect on the base 1.

[0026] like Figure 1 and Figure 2As shown, the positioning cylinder 11 is set as a conical cylinder structure, and the upper end of the positioning cylinder 11 is flush with the base 1, and the base 1 is placed on the foundation surface, the anti-pullout block 12 is set as an inverted triangle block structure, and the anti-pullout block 12 and the positioning cylinder 11 are both inserted into the underground soil, the reinforcement cylinder 2 is set as a cylindrical structure with an upper end opening, and the inner cavity wall of the reinforcement cylinder 2 is provided with a shock-absorbing sleeve 21 made of rubber material, and the tower is inserted in the shock-absorbing sleeve 21, the outer wall of the reinforcement cylinder 2 is welded with a hinge block 23, and the inclined rod 14 is rotatably connected to the hinge block 23, and the lower end of the inclined rod 14 is outwardly spread out in an eight-shaped shape, and is hinged to the upper end face of the base 1, the lower end of the arc rod 15 is hinged to the outside of the inclined rod 14, and the clamp 16 is fixed to the outer wall of the tower by bolts.

[0027] As a preferred embodiment, by providing the shock-absorbing sleeve 21, after the tower tube and the reinforcement tube 2 are plugged in, they have lateral and vertical shock-absorbing, buffering and wear-resistant effects.

[0028] As a preferred embodiment, the inclined rods 14 and the arc rods 15 are provided in multiple groups in the circumferential direction of the reinforcement tube 2, thereby achieving the lateral support effect on the reinforcement tube 2 and the tower tube.

[0029] It should be noted that the outer wall of the arc rod 15 is provided with a movably inserted vertical pin rod, and the lower end of the pin rod is inserted into the limiting hole opened on the upper side of the inclined rod 14, so that after the arc rod 15 is connected to the tower through the clamp 16, the position of the arc rod 15 is locked by the pin rod, thereby achieving a supporting effect on the tower.

[0030] When in use, first place the base on the ground, then embed the positioning tube on the lower side of the base into the underground soil by hammering until the base fits with the ground, then drive the auxiliary pile rod downward into the ground, then rotate the oblique threaded pile and insert it into the ground, then insert the clamping pile rod into the ground by rotating the handle threaded rod, and keep the pressure clamped on the oblique threaded pile to prevent the oblique threaded pile from loosening. After the base is installed, insert the tower into the reinforcement tube, then flip the arc rod upward so that the clamp is clamped on the outer wall of the tower, and then fix the clamp with bolts, thereby realizing a stable connection between the tower and the reinforcement tube. At the same time, the lateral support effect of the positioning tube is enhanced by the oblique rod, and the lateral support effect of the tower is increased by the arc rod and the clamp, so that it is connected to the base as an integrated structure with better stability.

[0031] The wind turbine tower and foundation connection reinforcement device of the utility model can effectively solve the problems of poor stability of connection between the base and the ground in the existing wind turbine tower reinforcement device, and lack of a fixed structure between the tower and the reinforcement tube, which makes the tower easy to rotate and shake. It is realized that on the basis of the existing technology of the wind turbine tower and foundation connection reinforcement device, the connection stability between the tower and the reinforcement device is simultaneously strengthened, and the connection stability between the reinforcement device and the ground foundation is strengthened, thereby achieving the installation reinforcement effect of the wind turbine tower.

Claims

1. A wind power tower and foundation connection reinforcement device, comprising: A base (1), a reinforcement tube (2) and an anti-loosening assembly (3), characterized in that: a positioning tube (11) of an integral structure is provided in the middle of the lower end of the base (1), and an anti-pulling block (12) is welded to the outer side of the positioning tube (11), and an auxiliary pile rod (13) is vertically connected inside the base (1), a positioning pile rod (22) of a conical structure is connected to the lower end of the reinforcement tube (2), and the positioning pile rod (22) is plugged into the interior of the positioning tube (11), and at the same time, an inclined tie rod (14) is connected to the outer wall of the reinforcement tube (2), and an arc rod (15) is connected to the outer side of the inclined tie rod (14), and a clamp (16) is connected to the upper end of the arc rod (15), and the anti-loosening assembly (3) is connected to the edge of the base (1), and the anti-loosening assembly (3) comprises an inclined block (31) and a horizontal block (34), and an inclined threaded pile (32) is screwed inside the inclined block (31), and a rotary handle threaded rod (33) is screwed inside the horizontal block (34).

2. A wind turbine tower and foundation connection reinforcement device according to claim 1, characterized in that: The positioning cylinder (11) is configured as a conical cylinder structure, and an upper end of the positioning cylinder (11) is flush with the base (1), and the base (1) is placed on a foundation surface.

3. A wind turbine tower and foundation connection reinforcement device according to claim 1, characterized in that: The anti-pullout block (12) is configured as an inverted triangle block structure, and the anti-pullout block (12) and the positioning tube (11) are both inserted into the underground soil.

4. A wind turbine tower and foundation connection reinforcement device according to claim 1, characterized in that: The reinforcement cylinder (2) is configured as a cylindrical structure with an open upper end, and the inner cavity wall of the reinforcement cylinder (2) is provided with a shock-absorbing sleeve (21) made of rubber material, and the tower cylinder is inserted into the shock-absorbing sleeve (21).

5. A wind turbine tower and foundation connection reinforcement device according to claim 1, characterized in that: A hinge block (23) is welded to the outer wall of the reinforcement tube (2), and the inclined tie rod (14) is rotatably connected to the hinge block (23). The lower end of the inclined tie rod (14) is spread outward in an "eight" shape and is hinged to the upper end surface of the base (1).

6. A wind power tower and foundation connection reinforcement device according to claim 1, characterized in that: The lower end of the arc rod (15) is hinged to the outside of the inclined rod (14), and the clamp (16) is fixed to the outer wall of the tower by bolts.

7. A wind power tower and foundation connection reinforcement device according to claim 1, characterized in that: The inclined block (31) is connected to the outer edge of the base (1), and the horizontal block (34) is connected to the outer edge of the inclined block (31), and the inclined threaded pile (32) and the inclined rod (14) are set to the same inclination angle, and the inclined threaded pile (32) is inserted into the foundation.

8. A wind power tower and foundation connection reinforcement device according to claim 1, characterized in that: The lower end of the rotary handle threaded rod (33) is rotatably connected to a connecting block (35), and two parallel clamping pile rods (36) are welded to the lower end of the connecting block (35), and the clamping pile rods (36) are clamped to the outside of the oblique threaded pile (32).