Anchor bolt assembly for assembly type wind power generation foundation

Abstract

The utility model relates to the technical field of wind power generation, and discloses an anchor bolt assembly for an assembly type wind power generation foundation, which comprises an anchor rod, a hexagonal nut I, a gasket I, a positioning hexagonal nylon nut, a sealing plug, a plastic sleeve I, a rubber gasket, a positioning pin I, a plastic sleeve II, a gasket II, a hexagonal nut II, a positioning pin II, a positioning ring and a screw supporting assembly. According to the anchor bolt assembly for the assembly type wind power generation foundation, the lower foundation slice and the upper foundation ring can be rapidly spliced through the arranged first positioning pins, the installation precision can be improved, then positioning and fastening are achieved through step-by-step cooperation of the positioning anchor bolts and the common anchor bolts, the installation precision is improved, a convenient installation technology is provided, and the installation efficiency is improved. And the stability of the generator set foundation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, in particular to an anchor bolt assembly for an assembled wind power generation foundation. Background Art

[0002] With the continuous advancement of wind power technology, the scale and power of wind turbines are increasing, placing increasing demands on the stability and reliability of wind turbine foundations. Traditional wind turbine foundations are typically constructed using cast-in-place methods, which are time-consuming, costly, and difficult to guarantee quality. To address these issues, prefabricated wind turbine foundations are gaining popularity. As a key component of prefabricated wind turbine foundations, the structural design of anchor bolt assemblies directly impacts their stability and reliability.

[0003] When assembling the foundation components at the base of a wind turbine, the components are primarily moved and positioned using lifting equipment. Once assembled, they are connected using anchor bolt assemblies. During this process, the anchor bolt mounting holes of the upper and lower components must be aligned concentrically to facilitate the insertion of the anchor bolts. However, conventional assembly requires manual and lifting equipment coordination to align the holes, resulting in cumbersome operations and low installation efficiency. Therefore, there is an urgent need for an anchor bolt assembly for prefabricated wind turbine foundations to address these issues. Utility Model Content

[0004] In view of the problems that in the above-mentioned existing workpiece splicing process, the alignment and adjustment of the hole positions are mainly performed by personnel and lifting equipment in cooperation, the operation is cumbersome, and the installation efficiency is low, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide an anchor bolt assembly for an assembled wind power generation foundation, which aims to solve the problem that the existing workpieces are mainly aligned and adjusted by personnel and lifting equipment during the splicing process, which is cumbersome to operate and has low installation efficiency.

[0006] To solve the above technical problems, the utility model provides the following technical solutions: an anchor bolt assembly for an assembled wind power generation foundation, comprising a nylon protective cap, an anchor rod, a hexagonal nut, a washer, a positioning hexagonal nylon nut, a sealing plug, a plastic sleeve, a rubber washer, a positioning pin, a plastic sleeve, a washer, a hexagonal nut, a nylon protective cap, a positioning pin, a positioning ring, a screw support assembly, an upper anchor plate, and a lower anchor plate. The positioning pin and the screw support assembly are in multiple forms and are evenly distributed on the positioning holes opened in the positioning ring. The anchor rod, hexagonal nut, washer, positioning hexagonal nylon nut, plastic sleeve, rubber washer, plastic sleeve, washer, and hexagonal nut constitute a positioning anchor bolt. The anchor rod, hexagonal nut, washer, sealing plug, plastic sleeve, rubber washer, plastic sleeve, washer, and hexagonal nut constitute a common anchor bolt, and the nylon protective cap and nylon protective cap are respectively connected to both ends of the anchor rod.

[0007] As a design scheme of the anchor bolt assembly for the assembled wind power generation foundation described in the utility model, wherein: the lower anchor plate is located at the upper and lower ends of the lower foundation segment, a plurality of anchor bolt holes are opened on the lower anchor plate at equal intervals, and a plurality of the plastic sleeves are arranged between the two lower anchor plates arranged upper and lower.

[0008] As a design scheme of the anchor bolt assembly for the prefabricated wind power generation foundation described in the utility model, wherein: the screw support assembly includes a support screw arranged in the positioning hole of the positioning ring, and the support screw is threadedly connected with a hexagonal nut three on both sides of the positioning hole, and a washer three is provided on the upper side of the hexagonal nut three located on the lower side, and the lower end of the support screw is fixedly connected to an embedded plate.

[0009] As a design scheme of the anchor bolt assembly for the prefabricated wind power generation foundation described in the utility model, the positioning pin 2 includes a pin arranged in the positioning hole of the positioning ring, and the pin is located on both sides of the positioning hole and is threadedly connected with a hexagonal nut 4, and a washer 4 is provided on the upper side of the hexagonal nut 4 located on the lower side.

[0010] As a design scheme of the anchor bolt assembly for the assembled wind power generation foundation described in the utility model, the plastic sleeve is arranged in the upper foundation ring, the sealing plug is interference fit with the upper end of the plastic sleeve, and the sealing plug is threadedly connected to the anchor rod.

[0011] As a design scheme of the anchor bolt assembly for the assembled wind power generation foundation described in the utility model, the upper anchor plates are of semicircular structure, there are two of them, and multiple anchor bolt holes are opened on the upper anchor plates at equal intervals.

[0012] As a design scheme of the anchor bolt assembly for the assembled wind power generation foundation of the utility model, the positioning pin is a convex structure.

[0013] As a design scheme of the anchor bolt assembly for the assembled wind power generation foundation described in the utility model, the nylon protective cap 1 is interference fit with the upper end of the anchor rod, and the nylon protective cap 2 is threadedly fit with the lower end of the anchor rod.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model can quickly splice the lower foundation segment with the upper foundation ring through the positioning pin, and improve the installation accuracy. Then, the positioning anchor bolts and ordinary anchor bolts are coordinated in steps to achieve positioning first and then tightening, which not only improves the installation accuracy, but also provides a convenient installation technology, and is conducive to improving the stability of the generator set foundation.

[0016] 2. The utility model mainly solves the problem of difficult on-site construction through assembled design, and is also convenient for transportation and storage, reducing the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0018] Figure 1 This is a schematic diagram of the assembly structure of the anchor assembly for the assembled wind power generation foundation of the present invention.

[0019] Figure 2 This is a schematic diagram of the structure of the positioning ring, screw support assembly and positioning pin of the anchor bolt assembly for the assembled wind power generation foundation of the utility model.

[0020] Figure 3 This is a schematic structural diagram of the screw support assembly of the anchor assembly for the assembled wind power generation foundation of the utility model.

[0021] Figure 4 This is a schematic diagram of the second structure of the positioning pin of the anchor bolt assembly for the assembled wind power generation foundation of the utility model.

[0022] Figure 5 Schematic diagram of the structure of the positioning anchor bolt (left) and the ordinary anchor bolt (right) of the anchor bolt assembly for the assembled wind power generation foundation of the utility model.

[0023] Figure 6 The present invention is a schematic cross-sectional view of the sealing plug and plastic sleeve of the anchor assembly for the assembled wind power generation foundation.

[0024] Figure 7This is a schematic structural cross-sectional diagram of nylon protective cap 1 and nylon protective cap 2 of the anchor bolt assembly for the assembled wind power generation foundation of the utility model.

[0025] Figure 8 This is a schematic diagram of the assembly of the lower anchor plate and plastic sleeve structures used in the assembled wind power generation foundation of the utility model.

[0026] Figure 9 Anchor bolt assembly for assembled wind power generation foundation of the utility model Figure 8 Enlarged schematic diagram of the structural section at point A in the middle.

[0027] Figure 10 This is a schematic diagram of the upper anchor plate structure of the anchor bolt assembly for the assembled wind power generation foundation of the utility model.

[0028] Figure 11 The figure is a schematic diagram of the overall assembly structure of the anchor bolt assembly for the assembled wind power generation foundation of the utility model.

[0029] Description of reference numerals:

[0030] 1. Nylon protective cap (one); 2. Anchor rod; 3. Hexagonal nut (one); 4. Washer (one); 5. Positioning hexagonal nylon nut; 6. Sealing plug; 7. Plastic sleeve (one); 8. Rubber washer; 9. Lower anchor plate; 10. Positioning pin (one); 11. Plastic sleeve (two); 12. Washer (two); 13. Hexagonal nut (two); 14. Nylon protective cap (two); 15. Positioning pin (two); 1501. Pin; 1502. Hexagonal nut (four); 1503. Washer (four); 16. Positioning ring; 17. Screw support assembly; 1701. Support screw; 1702. Hexagonal nut (three); 1703. Washer (three); 1704. Embedded plate; 18. Upper anchor plate; 19. Heat shrink tubing. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Reference Figure 1-10, which is the first embodiment of the present invention, provides an anchor bolt assembly for an assembled wind power generation foundation, the anchor bolt assembly for an assembled wind power generation foundation includes a nylon protective cap 1, an anchor rod 2, a hexagonal nut 3, a washer 4, a positioning hexagonal nylon nut 5, a sealing plug 6, a plastic sleeve 7, a rubber washer 8, a positioning pin 10, a plastic sleeve 2 11, a washer 2 12, a hexagonal nut 2 13, a nylon protective cap 2 14, a positioning pin 2 15, a positioning ring 16, a screw support assembly 17, an upper anchor plate 18, a lower anchor plate 9, a positioning pin 2 15, a screw support assembly The rod support components 17 are all in multiple forms and are evenly distributed on the positioning holes opened in the positioning ring 16. The anchor rod 2, hexagonal nut 3, washer 4, positioning hexagonal nylon nut 5, plastic sleeve 7, rubber washer 8, plastic sleeve 2 11, washer 2 12, and hexagonal nut 2 13 constitute a positioning anchor bolt. The anchor rod 2, hexagonal nut 3, washer 4, sealing plug 6, plastic sleeve 7, rubber washer 8, plastic sleeve 2 11, washer 2 12, and hexagonal nut 2 13 constitute a common anchor bolt, and nylon protective cap 1 and nylon protective cap 2 14 are respectively connected to the two ends of the anchor rod 2.

[0034] In the above technical solution, the screw support assembly 17 and the positioning ring 16 are used in conjunction to provide positioning for the lower foundation segment during splicing. After the positioning pin 15 is connected to the positioning ring 16, it can be plugged into the anchor hole of the lower foundation segment to accurately position the lower foundation segment. The positioning anchor bolt can limit the position of the spliced ​​lower foundation segment and the upper foundation ring. After all the foundations are assembled, the ordinary anchor bolt is connected to the foundation, and all the anchor bolt connectors are tightened to achieve quick and accurate installation.

[0035] The lower anchor plate 9 is located at the upper and lower ends of the lower foundation segment, and a plurality of anchor holes are opened on the lower anchor plate 9 at equal intervals, and a plurality of plastic sleeves 11 are arranged between the two lower anchor plates 9 arranged up and down. The lower anchor plate 9 is cast on the lower foundation segment, specifically, one piece is cast on the upper and lower surfaces of the lower foundation segment, and a plurality of plastic sleeves 11 pass through the anchor holes, and the ends of the plastic sleeves 11 completely penetrate the anchor holes of the lower anchor plate 9, and the upper end surface is exposed to the upper surface by not less than 10mm, and the lower end surface is flush with the upper surface of the bottom of the lower anchor plate 9, ensuring that the through hole of the plastic sleeve 11 is concentric with the anchor hole, and the lower anchor plate 9 and the plastic sleeve 11 are cast in the lower foundation segment through a mold in advance, so that they are cast and formed together with the lower foundation segment, and the lower anchor plate 9 can not only increase the rigidity of the lower foundation segment, but also ensure the verticality of the anchor hole, thereby ensuring the stability of the anchor connection.

[0036] The screw support assembly 17 includes a support screw 1701 arranged in the positioning hole of the positioning ring 16. The support screw 1701 is located on both sides of the positioning hole and is threadedly connected to a hexagonal nut three 1702. A washer three 1703 is provided on the upper side of the hexagonal nut three 1702 located on the lower side, and the lower end of the support screw 1701 is fixedly connected to an embedded plate 1704. After each support screw 1701 is connected to the positioning ring 16 through the hexagonal nut three 1702, the embedded plate 1704 can be embedded in the foundation cushion layer, so that the positioning ring 16 is fixedly welded on the foundation cushion layer to provide positioning and support for the splicing of the lower foundation segments.

[0037] The locating pin 15 includes a pin 1501 provided in the locating hole of the locating ring 16. The pin 1501 is located on both sides of the locating hole and is threadedly connected with a hexagonal nut 1502. A washer 1503 is provided on the upper side of the hexagonal nut 1502 on the lower side. The upper end of the pin 1501 is higher than the top surface of the locating ring 16. When the lower foundation segment is fitted to the locating ring 16, the anchor hole at the bottom thereof can be connected to the pin 1501, so that each lower foundation segment is accurately located on the locating ring 16, so that all lower foundation segments can be accurately spliced.

[0038] The plastic sleeve 7 is arranged in the upper base ring, the sealing plug 6 is interference fit with the upper end of the plastic sleeve 7, the sealing plug 6 is threadedly connected to the anchor rod 2, the plastic sleeve 7 is pre-arranged in the casting mold of the upper base ring, so that it is cast and formed with the upper base ring, the sealing plug 6 is arranged in a convex shape, and is provided with an internal thread compatible with the anchor rod 2. After the sealing plug 6 is connected to the anchor rod 2, the lower end of the plastic sleeve 7 is plugged into the upper end, and the upper end of the plastic sleeve 7 is deformed by force so that it is sealed and connected to the sealing plug 6.

[0039] Among them, reference Figure 5 The upper end of the plastic sleeve 7 is also provided with a heat shrink sleeve 19. The heat shrink sleeve 19 is heated and shrunk to tightly connect the upper end of the plastic sleeve 7 in the positioning anchor bolt and the anchor rod 2, and to tightly connect the upper end of the plastic sleeve 7 in the ordinary anchor bolt and the sealing plug 6 and the anchor rod 2, thereby further improving the sealing performance.

[0040] The upper anchor plates 18 are semicircular in structure and there are two of them. A plurality of anchor holes are provided on the upper anchor plates 18 at equal intervals. The two upper anchor plates 18 are spliced ​​together to form a ring structure. A connecting plate is provided on the lower side of the joint of the two upper anchor plates 18. Two through holes are provided on the connecting plate. A threaded groove is provided on the upper side of the through hole of the upper anchor plate 18. The screws pass through the through hole of the connecting plate and are connected to the threaded groove, so that the two upper anchor plates 18 are spliced ​​and fixed.

[0041] The anchor holes of the upper anchor plate 18, the plastic sleeve 1 7, the rubber washer 8, the plastic sleeve 2 11 and the anchor holes of the lower anchor plate 9 are arranged vertically and concentrically so that the anchor rod 2 can pass through to connect the upper foundation ring with the lower foundation segment.

[0042] The rubber gasket 8 is sleeved on the protruding part of the upper end of the plastic sleeve 11, so that the gravity of the upper foundation ring drives the rubber gasket 8 to deform, so that the rubber gasket 8 is tightly connected to the plastic sleeve 11 and the anchor rod 2, avoiding leakage during grouting between the upper foundation ring and the lower foundation segment.

[0043] The rubber gasket 8 is a high-strength polyurethane elastic gasket with a steel wire strip, which can achieve deformation sealing while avoiding rupture and damage, thereby enhancing structural stability.

[0044] The positioning pin 10 has a convex structure and is an integrally formed arrangement. A large concave hole that is compatible with the positioning pin 10 is reserved on the outer side of the top of the lower basic segment, and a small concave hole that is compatible with the positioning pin 10 is reserved on the outer side of the bottom of the upper basic ring. The positioning pin 10 is pre-placed on the large concave hole, and the upper basic ring can be quickly and accurately positioned and connected with the lower basic segment through the engagement of the small concave hole with the positioning pin 10.

[0045] The nylon protective cap 1 is interference fit with the upper end of the anchor rod 2, and the nylon protective cap 2 14 is threadedly fitted with the lower end of the anchor rod 2. A plurality of reinforcing ribs are fixed at equal intervals inside the nylon protective cap 1. The nylon protective cap 1 is interference fit with the threaded portion of the upper end of the anchor rod 2 through the reinforcing ribs. A thread groove that is compatible with the threaded portion of the anchor rod 2 is provided inside the nylon protective cap 2 14. The nylon protective cap 2 14 is threadedly connected to the lower end of the anchor rod 2. Through the arrangement of the nylon protective cap 1 and the nylon protective cap 2 14, the end of the anchor rod 2 is protected from rust during use.

[0046] During use, the plastic sleeve 1 7 is arranged in the mold of the upper foundation ring so that it is cast together with the upper foundation ring, and the plastic sleeve 2 11 and the lower anchor plate 9 are arranged in the mold of the lower foundation segment so that they are formed together with the lower foundation segment; each support screw 1701 is distributed in a circular shape with equal intervals, a hexagonal nut 3 1702 is connected to the support screw 1701, and a washer 3 1703 is set, the positioning ring 16 is placed on the washer 3 1703, and then another hexagonal nut 3 1702 is connected to the support screw 1701, and the embedded plate 1704 is embedded in On the foundation cushion, after the foundation cushion is solidified, adjust the positioning ring 16 horizontally; connect a hexagonal nut 1502 to the pin 1501, and put a washer 1503, multiple pins 1501 are distributed in a ring with equal intervals, and pass through the connecting hole from the bottom of the positioning ring 16, and then connect another hexagonal nut 1502, so that the upper end of the pin 1501 protrudes from the top of the positioning ring 16; the lower foundation segment is attached to the outside of the positioning ring 16, and the bottom anchor hole is plugged into the pin 1501, and the top of the lower foundation segment is embedded so that its through hole passes through Pass through the plastic sleeve 11, and set the rubber washer 8 on the upper end of the plastic sleeve 11, put the inner positioning pin 10 into the large concave hole on the top of the lower foundation segment, and after the lower foundation segment is spliced, align the upper foundation ring with the positioning pin 10 through the small concave hole at the bottom; pass the anchor rod 2 in the positioning anchor bolt from top to bottom through the upper foundation ring, rubber washer 8, and lower foundation segment in sequence, connect the washer 2 12 and hexagonal nut 2 13 at the lower end of the anchor rod 2 in sequence, connect the positioning hexagonal nylon nut 5 at the upper end of the anchor rod 2, and match the anchor hole of the upper anchor plate 18 to the anchor rod 2 Insert and adjust the positioning hexagonal nylon nut 5 to set the water level of the upper anchor plate 18; pass the anchor rod 2 of the ordinary anchor bolt through the upper anchor plate 18, sealing plug 6, upper foundation ring, rubber gasket 8, and lower foundation segment from top to bottom, connect the lower end of the anchor rod 2 with washer 2 12 and hexagonal nut 2 13 in sequence, and finally connect the upper ends of all anchor rods 2 with washer 1 4 and hexagonal nut 1 3 in sequence, tighten each hexagonal nut to complete the installation, and finally engage the nylon protective cap 1 on the upper end of the anchor rod 2, and thread the nylon protective cap 2 14 to the lower end of the anchor rod 2.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. An anchor bolt assembly for an assembled wind power generation foundation, characterized by: The invention comprises a nylon protective cap (1), an anchor rod (2), a hexagonal nut (3), a washer (4), a positioning hexagonal nylon nut (5), a sealing plug (6), a plastic sleeve (7), a rubber washer (8), a positioning pin (10), a plastic sleeve (11), a washer (12), a hexagonal nut (13), a nylon protective cap (14), a positioning pin (15), a positioning ring (16), a screw support assembly (17), an upper anchor plate (18), and a lower anchor plate (9). The positioning pin (15) and the screw support assembly (17) are uniformly distributed on the positioning holes provided in the positioning ring (16). The anchor rod (2), hexagonal nut (3), washer (4), positioning hexagonal nylon nut (5), plastic sleeve (7), rubber washer (8), plastic sleeve (11), washer (12), and hexagonal nut (13) constitute a positioning anchor bolt, the anchor rod (2), hexagonal nut (3), washer (4), sealing plug (6), plastic sleeve (7), rubber washer (8), plastic sleeve (11), washer (12), and hexagonal nut (13) constitute a common anchor bolt, and the nylon protective cap (1) and nylon protective cap (14) are respectively connected to both ends of the anchor rod (2).

2. The anchor bolt assembly for the assembled wind power generation foundation according to claim 1, characterized in that: The lower anchor plate (9) is located at the upper and lower ends of the lower foundation segment, and a plurality of anchor holes are opened on the lower anchor plate (9) at equal intervals, and a plurality of plastic sleeves (11) are arranged between the two lower anchor plates (9) arranged in an upper and lower manner.

3. The anchor bolt assembly for the assembled wind power generation foundation according to claim 1, characterized in that: The screw support assembly (17) includes a support screw (1701) arranged in a positioning hole of a positioning ring (16), and the support screw (1701) is threadedly connected with a hexagonal nut three (1702) on both sides of the positioning hole, and a washer three (1703) is provided on the upper side of the hexagonal nut three (1702) located on the lower side, and the lower end of the support screw (1701) is fixedly connected with an embedded plate (1704).

4. The anchor bolt assembly for the assembled wind power generation foundation according to claim 1, characterized in that: The positioning pin 2 (15) includes a pin (1501) arranged in the positioning hole of the positioning ring (16), and the pin (1501) is threadedly connected with a hexagonal nut 4 (1502) on both sides of the positioning hole, and a washer 4 (1503) is provided on the upper side of the hexagonal nut 4 (1502) located on the lower side.

5. The anchor bolt assembly for the assembled wind power generation foundation according to claim 1, characterized in that: The plastic sleeve (7) is arranged in the upper base ring, the sealing plug (6) is interference-fitted with the upper end of the plastic sleeve (7), and the sealing plug (6) is threadedly connected to the anchor rod (2).

6. The anchor bolt assembly for the assembled wind power generation foundation according to claim 1, characterized in that: The upper anchor plates (18) are of semicircular structure, two in number, and a plurality of anchor bolt holes are provided on the upper anchor plates (18) at equal intervals.

7. The anchor bolt assembly for the assembled wind power generation foundation according to claim 1, characterized in that: The positioning pin 1 (10) is a convex structure.

8. The anchor bolt assembly for the assembled wind power generation foundation according to claim 1, characterized in that: The first nylon protective cap (1) is interference-fitted with the upper end of the anchor rod (2), and the second nylon protective cap (14) is thread-fitted with the lower end of the anchor rod (2).

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