Foundation structure of wind power tower drum
By setting compaction plates and telescopic tubes in the injection cavity of the wind power tower foundation, and using the sliding of the push rod, the problem of horizontal movement of the ply plate cannot be compacted, achieving better concrete firmness and connection firmness.
Patent Information
- Application Number
- CN202421853888.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-08-01
AI Technical Summary
During the concrete pouring process of the existing wind power tower foundation structure, the horizontal movement of the ply plate cannot effectively compact the concrete, resulting in poor tightening effect of the concrete.
A compacting plate is provided in the injection cavity, and an injection hole and a telescopic tube are provided on the compacting plate. Combined with the sliding of the push rod up and down, the compaction and compaction of the concrete is achieved.
The overall injection molding tightness of concrete is improved, the connection tightening effect between the tower and concrete foundation is enhanced, and the problem of concrete overflow is avoided.
Smart Images
Figure CN222822264U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of basic technology, and in particular relates to a wind power tower foundation structure. Background Art
[0002] The wind turbine tower is one of the main equipment in the wind turbine generator set. The bottom of the wind turbine tower usually needs to be fixed to the ground with a wind turbine tower foundation structure. Usually, the wind turbine tower foundation structure generally uses a concrete structure to provide support for the entire tower.
[0003] For wind turbine tower foundation structures, such as Figure 1 As shown, it mainly includes a concrete foundation a, a slot b is arranged in the middle of the concrete foundation a, a fixed column is fixed in the middle of the slot b, a tower c is sleeved on the outside of the fixed column, an injection cavity is set between the tower c and the inner wall of the slot, a plurality of pullable push rods d are arranged horizontally on the concrete foundation a, a clamping plate is arranged on the inner side of the push rod d, and the push rod can push the clamping plate to move in the injection cavity, and a sealing cover e is arranged on the upper part of the concrete foundation a and the outer side of the tower c, and a concrete injection pipe f is arranged on the sealing cover e, and the lower part of the concrete injection pipe f is connected with the injection cavity. Concrete is poured downward from the concrete injection pipe into the injection cavity, and the concrete is filled in the injection cavity. After solidification, the tower and the concrete foundation are connected and fastened, and in this process, the clamping plate is pushed by the push rod d to compact the concrete.
[0004] In the prior art, the wind turbine tower foundation structure similar to the above-mentioned technical solution is found to have areas for improvement during actual implementation: concrete is poured into the injection cavity from above, but the clamp moves in the horizontal direction. Therefore, the horizontal movement of the clamp cannot complete the compaction of the concrete, resulting in poor compaction and tightening effect of the injected concrete. Utility Model Content
[0005] In view of the shortcomings and defects in the prior art, the purpose of the utility model is to provide a wind turbine tower foundation structure, which solves the problem that the concrete in the wind turbine tower foundation structure in the prior art is poured into the injection cavity from above, but the clamping plate moves in the horizontal direction. Therefore, the horizontal movement of the clamping plate cannot complete the compaction of the concrete, resulting in poor compaction and tightening effect of the injected concrete.
[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: a wind power tower foundation structure, including a concrete foundation, a slot is arranged in the concrete foundation, a positioning column is arranged in the center of the slot, the tower is sleeved on the outside of the positioning column, and an injection cavity is formed between the outer wall of the tower and the outer wall of the slot, a sealing cover is arranged on the upper part of the concrete foundation, the sealing cover is sleeved on the outside of the tower, a plurality of injection pipes communicating with the injection cavity are arranged on the sealing cover, a compacting plate is arranged in the injection cavity, a plurality of injection holes corresponding to the injection pipes are arranged on the compacting plate, a telescopic tube is arranged between each of the injection pipes and the corresponding injection hole, two push rods are also arranged on the compacting plate, the upper ends of the push rods pass through the sealing cover, and the push rods can slide up and down on the sealing cover, a plurality of penetration holes are arranged on the concrete foundation, one end of the penetration hole extends to the outside of the concrete foundation, and the other end is communicated with the injection cavity.
[0007] As a further improvement of the utility model, the concrete foundation is provided with a plurality of small grooves on the outer wall of the groove.
[0008] As a further improvement of the utility model, the telescopic tube is a corrugated tube.
[0009] As a further improvement of the utility model, the injection hole is a tapered hole whose diameter gradually increases from top to bottom.
[0010] Compared with the prior art, the utility model has the following advantages:
[0011] 1. By setting a compaction plate in the injection cavity, an injection hole is provided on the compaction plate, a telescopic tube is provided between the injection pipe and the injection hole, and two push rods are also provided on the compaction plate, the upper ends of the push rods pass through the sealing cover, and the push rods can slide up and down on the sealing cover, when concrete is injected into the injection cavity, the concrete flows directly from the injection pipe, the telescopic tube, and the injection hole into the injection cavity, and in this process, the compaction plate is pushed up and down by holding the push rod to compact the concrete downward, thereby improving the overall injection compaction of the concrete and improving the connection and compaction effect of the tower and the concrete foundation. And this setting can prevent the concrete from flowing above the compaction plate and avoid affecting the integrity of the pouring of the concrete in the injection cavity.
[0012] In addition, the concrete foundation is provided with a plurality of penetration holes. When pouring concrete, the concrete injected into the cavity can penetrate into the penetration holes. After the concrete solidifies, the tower and the concrete foundation can be firmly connected, so that the concrete, the concrete foundation and the tower form a whole, thereby improving the overall structural strength.
[0013] 2. By providing a plurality of small grooves on the outer wall of the slot in the concrete foundation, the concrete can penetrate into the small grooves, thereby improving the grip of the concrete and improving the connection firmness between the concrete foundation and the tower. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described below in conjunction with the accompanying drawings:
[0015] Figure 1 It is a structural schematic diagram of the prior art;
[0016] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure at the injection pipe Figure 1 ;
[0018] Figure 4 for Figure 2 The cross-sectional structure diagram of the push rod Figure 2 ;
[0019] Figure 5 for Figure 3 A magnified view at point A;
[0020] In the figure: 1. Concrete foundation; 2. Grooving; 3. Positioning column; 4. Injection cavity; 5. Sealing cover; 6. Injection pipe; 7. Compacting plate; 8. Injection hole; 9. Telescopic tube; 10. Push rod; 11. Penetration hole; 12. Small groove; 13. Tower. DETAILED DESCRIPTION
[0021] The following is combined with Figure 2-5 The utility model is further described in detail. For a clearer illustration, only the structure related to the utility model is shown in the figure.
[0022] For the convenience of description, the coordinate system is defined as Figure 2 As shown, the left-right direction is the horizontal direction, the front-back direction is the longitudinal direction, and the up-down direction is the vertical direction.
[0023] The utility model embodiment discloses a wind power tower foundation structure. Figure 2 , Figure 3 and Figure 4As shown, a wind power tower foundation structure includes a concrete foundation 1, a slot 2 is arranged in the concrete foundation 1, a positioning column 3 is arranged in the center of the slot 2, a tower 13 is sleeved on the outside of the positioning column 3, and an injection cavity 4 is formed between the outer wall of the tower 13 and the outer wall of the slot 2, a sealing cover 5 is arranged on the upper part of the concrete foundation 1, the sealing cover 5 is sleeved on the outside of the tower 13, a plurality of injection pipes 6 communicating with the injection cavity 4 are arranged on the sealing cover 5, a compacting plate 7 is arranged in the injection cavity 4, and a plurality of corresponding injection pipes 6 are arranged on the compacting plate 7. An injection hole 8 is provided, and the injection hole 8 is a tapered hole with a diameter gradually increasing from top to bottom. A telescopic tube 9 is provided between each injection pipe 6 and the corresponding injection hole 8, and the telescopic tube 9 is a corrugated tube. Two push rods 10 are also provided on the compacting plate 7. The upper ends of the push rods 10 pass through the sealing cover 5, and the push rods 10 can slide up and down on the sealing cover 5. A plurality of penetration holes 11 are provided on the concrete foundation 1, and one end of the penetration hole 11 extends out of the concrete foundation 1, and the other end is communicated with the injection cavity 4.
[0024] In addition, if Figure 3 and Figure 5 As shown, the concrete foundation 1 is provided with a plurality of small grooves 12 on the outer wall of the slot 2, so that the concrete can penetrate into the small grooves 12 to improve the gripping force of the concrete, thereby improving the connection firmness between the concrete foundation 1 and the tower 13.
[0025] The utility model provides a compacting plate 7 in the injection cavity 4, an injection hole 8 is provided on the compacting plate 7, a telescopic tube 9 is provided between the injection pipe 6 and the injection hole 8, and two push rods 10 are provided on the compacting plate 7. The upper ends of the push rods 10 pass through the sealing cover 5, and the push rods 10 can slide up and down on the sealing cover 5. When concrete is injected into the injection cavity 4, the concrete flows directly from the injection pipe 6, the telescopic tube 9, and the injection hole 8 into the injection cavity 4. In this process, the compacting plate 7 is pushed up and down by holding the push rod 10 to compact the concrete downward, thereby improving the overall injection compactness of the concrete and improving the connection and compacting effect of the tower 13 and the concrete foundation 1. Moreover, this arrangement can prevent the concrete from flowing above the compacting plate 7 and avoid affecting the integrity of the pouring of the concrete in the injection cavity 4.
[0026] In addition, the concrete foundation 1 is provided with a plurality of penetration holes 11. When pouring concrete, the concrete injected into the cavity 4 can penetrate into the penetration holes 11. After the concrete solidifies, the tower 13 and the concrete foundation 1 can be firmly connected, so that the concrete, the concrete foundation 1 and the tower 13 form a whole, thereby improving the overall structural strength.
[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. It should be understood that the specific implementation methods described herein are only used to understand the present utility model, and are not used to limit the present utility model. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present utility model.
Claims
1. A wind power tower foundation structure, comprising a concrete foundation, a slot is provided in the concrete foundation, a positioning column is provided in the center of the slot, a tower is sleeved outside the positioning column, and an injection cavity is formed between the outer wall of the tower and the outer wall of the slot, a sealing cover is provided on the upper part of the concrete foundation, the sealing cover is sleeved outside the tower, and a plurality of injection pipes communicating with the injection cavity are provided on the sealing cover, characterized in that: A compacting plate is provided in the injection cavity, and a plurality of injection holes are provided on the compacting plate respectively corresponding to the injection pipes, and a telescopic tube is provided between each injection pipe and the corresponding injection hole. Two push rods are also provided on the compacting plate, and the upper ends of the push rods pass through the sealing cover, and the push rods can slide up and down on the sealing cover. A plurality of penetration holes are provided on the concrete foundation, and one end of the penetration hole extends to the outside of the concrete foundation, and the other end is communicated with the injection cavity.
2. A wind power tower foundation structure according to claim 1, characterized in that: The concrete foundation is provided with a plurality of small grooves on the outer wall of the groove.
3. A wind power tower foundation structure according to claim 1, characterized in that: The telescopic tube is a corrugated tube.
4. A wind power tower foundation structure according to any one of claims 1 to 3, characterized in that: The injection hole is a tapered hole with a diameter gradually increasing from top to bottom.