Wind power generation tower drum

Abstract

The utility model discloses a wind power generation tower drum which comprises a lower-section tower drum, a middle-section tower drum and an upper-section tower drum, the middle-section tower drum is inserted into an inner cavity of the lower-section tower drum, the upper-section tower drum is inserted into an inner cavity of the middle-section tower drum, and the outer side wall of the middle-section tower drum and the outer side wall of the upper-section tower drum are each provided with a protruding part which protrudes outwards and is vertically arranged. The inner wall of the lower section tower drum and the inner wall of the middle section tower drum are provided with inwards-sunken inserting grooves, the protruding part of the middle section tower drum is inserted into the inserting groove of the lower section tower drum, and the protruding part of the upper section tower drum is inserted into the inserting groove of the middle section tower drum. According to the utility model, the tower drum sections are of a sliding sleeving structure and can be stacked together for transportation during transportation, so that the occupied space during transportation is saved, the overall transportation efficiency is improved, the installation and positioning butt joint of the tower drum sections can be completed preliminarily only by rotating after being hoisted by a crane during installation, and the structure is installed and fixed manually subsequently, so that the labor intensity of workers is reduced, and the production efficiency is improved. Installation is convenient, time-saving and labor-saving.

Description

Technical Field

[0001] This utility model relates to a wind power generation tower and belongs to the field of wind power generation technology. Background Technology

[0002] Wind power is characterized by abundant resources, high power generation utilization hours, and suitability for large-scale development. In particular, offshore wind energy resources are of good quality and do not occupy land. Driven by global energy transition and the "dual carbon" goal, the market demand for wind power is strong, and the installed capacity continues to grow. Wind power will become an important pillar of global energy supply.

[0003] A wind turbine tower is the support structure for wind power generation. In existing technologies, wind turbine towers are too large, requiring segmented transport during transport and subsequent installation using cranes. This process is complex, and flange misalignment can easily lead to installation difficulties. Therefore, we propose a new wind turbine tower design. Utility Model Content

[0004] The purpose of this utility model is to provide a wind power generation tower that eliminates the traditional installation process, is quick and convenient to install, and has high transportation efficiency.

[0005] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: a wind power generation tower, comprising a lower tower section, a middle tower section, and an upper tower section. The middle tower section is inserted into the inner cavity of the lower tower section, and the upper tower section is inserted into the inner cavity of the middle tower section. Both the middle and upper tower sections have outwardly protruding, vertically erected protrusions on their outer walls. The inner walls of the lower and middle tower sections have inwardly recessed slots. The protrusions of the middle tower section are inserted into the slots of the lower tower section. The protrusion of the upper tower section is inserted into the slot of the middle tower section. Fixed connecting components are provided at the connection between the lower tower section and the middle tower section, and at the connection between the middle tower section and the upper tower section, so that the lower tower section, the middle tower section and the upper tower section are nested together and can be extended and retracted. During installation, the upper tower section is lifted by a crane. During the lifting process, it rises and rotates step by step, so that the protrusion can play a supporting role. After fixing, it is locked by the fixed connecting components. Multiple nested middle tower sections can be set according to the height requirements.

[0006] In the aforementioned wind power generation tower, the outer side of the middle section of the tower has multiple protrusions that are evenly distributed around the middle section of the tower, and the upper section of the tower has protrusions in the same positions as the middle section of the tower.

[0007] In the aforementioned wind power generation tower, the length of the middle section of the tower is greater than the length of the corresponding protrusion. A limiting member is provided at the bottom of the side wall of the middle section of the tower, and the limiting member is located below the protrusion. A limiting slide is provided on the inner side wall of the lower section of the tower. The limiting slide is in the shape of an inverted "L". The distance from the top of the horizontal portion of the limiting slide to the top of the lower section of the tower is the same as the distance from the limiting member to the bottom of the protrusion. The limiting member is slidably installed in the limiting slide. The installation method of the upper section of the tower and the middle section of the tower is the same as that of the lower section of the tower and the middle section of the tower. The limiting member can slide in the limiting slide. During installation and lifting, the stroke positioning is achieved by sliding the limiting member in the limiting slide, ensuring the accuracy of the lifting height and rotation angle of the middle section of the tower and the upper section of the tower, while also allowing the protrusion to be accurately pulled out of the slot, rotated, and supported.

[0008] In the aforementioned wind power generation tower, the outer end of the limiting member is provided with a roller to facilitate the sliding of the limiting member and reduce sliding resistance.

[0009] The aforementioned wind power generation tower includes a fixed connection component comprising a "Z"-shaped connector. Multiple connectors are placed inside the connection between the lower and middle tower sections and fit tightly together. Both the lower and middle tower sections have pre-drilled holes. The connectors are fixed by bolts. The fixed connection component between the upper and middle tower sections is identical to the installation connection structure between the lower and middle tower sections, thus fixing and locking the lower and middle tower sections, and the upper and middle tower sections together. Simultaneously, the connectors provide a certain degree of support.

[0010] In the aforementioned wind power generation tower, the inner end of the connector is provided with a lug plate, and the connectors on the same plane are fixedly connected by the lug plate to form a reinforcing structure, which increases the stability of the fixed structure, improves the overall strength, and facilitates maintenance through the platform formed by the reinforcing structure.

[0011] In the aforementioned wind power tower, the outer surface of the protrusion is arc-shaped, and the slot corresponds to the shape of the protrusion. When the arc-shaped protrusion is exposed, it can reduce wind resistance and reduce the resistance caused by wind.

[0012] Compared with the prior art, the present invention has at least the following beneficial effects:

[0013] (1) The present invention adopts a sliding sleeve structure for the tower sections, which can be stacked together for transportation, saving the space occupied during transportation and improving the overall transportation efficiency.

[0014] (2) When installing this utility model, the initial tower section installation and positioning docking can be completed by simply lifting and rotating the crane. After that, only manual installation and fixing of the structure is required. The installation is convenient, time-saving and labor-saving.

[0015] (3) The outer surface of the protrusion of this utility model is arc-shaped. When the arc-shaped protrusion is exposed, it can reduce wind resistance and reduce the resistance caused by wind. At the same time, the use of connecting parts and reinforcing structure makes the structure of this device stable. While playing a stable supporting role, it can absorb the vibration of the unit. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the stacking structure of this utility model during transportation;

[0018] Figure 3 This is a top view of the present invention;

[0019] Figure 4 This is a schematic diagram of the limiting slide structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the middle section tower structure of this utility model;

[0021] Figure 6 This is a utility model Figure 1 Enlarged diagram of point A in the middle.

[0022] Reference numerals: 1-Lower tower section, 2-Middle tower section, 3-Upper tower section, 4-Protrusion, 5-Slot, 6-Fixed connection component, 7-Limiting component, 8-Limiting slide, 9-Connector, 10-Bolt, 11-Ear plate, 12-Reinforcing structure.

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Detailed Implementation

[0024] Embodiment 1 of this utility model: A wind power generation tower includes a lower tower section 1, a middle tower section 2, and an upper tower section 3. The middle tower section 2 is inserted into the inner cavity of the lower tower section 1, and the upper tower section 3 is inserted into the inner cavity of the middle tower section 2. The outer walls of both the middle tower section 2 and the upper tower section 3 are provided with outwardly protruding and vertically erected protrusions 4. The inner walls of the lower tower section 1 and the middle tower section 2 are provided with inwardly recessed slots 5. The protrusions 4 of the middle tower section 2 are inserted into the slots 5 of the lower tower section 1, and the protrusions 4 of the upper tower section 3 are inserted into the slots 5 of the middle tower section 2. Fixed connecting components 6 are provided at the connection points between the lower tower section 1 and the middle tower section 2, and between the middle tower section 2 and the upper tower section 3, so that the lower tower section 1, the middle tower section 2, and the upper tower section 3 are sleeved together and can be extended and retracted. During installation: The upper tower section 3 is lifted by a crane. During the lifting process, it rises and rotates step by step, so that the protrusion 4 can play a supporting role. After fixing, it is locked by the fixing connection component 6. Multiple interlocking middle tower sections 2 can be set according to the height requirements. During transportation: The lower tower section 1, middle tower section 2 and upper tower section 3 are stacked together to save the space occupied during transportation.

[0025] Embodiment 2 of this utility model: A wind power generation tower includes a lower tower section 1, a middle tower section 2, and an upper tower section 3. The middle tower section 2 is inserted into the inner cavity of the lower tower section 1, and the upper tower section 3 is inserted into the inner cavity of the middle tower section 2. The outer walls of the middle tower section 2 and the upper tower section 3 are provided with outwardly protruding and vertically erected protrusions 4. The inner walls of the lower tower section 1 and the middle tower section 2 are provided with inwardly recessed slots 5. The protrusions 4 of the middle tower section 2 are inserted into the slots 5 of the lower tower section 1, and the protrusions 4 of the upper tower section 3 are inserted into the slots 5 of the middle tower section 2. Fixed connecting components 6 are provided at the connection points between the lower tower section 1 and the middle tower section 2 and between the middle tower section 2 and the upper tower section 3, so that the lower tower section 1, the middle tower section 2, and the upper tower section 3 are sleeved together and can be extended and retracted.

[0026] Multiple protrusions 4 are provided on the outer side of the middle section tower 2 and are evenly distributed around the middle section tower 2. The protrusions 4 of the upper section tower 3 are located in the same position as those of the middle section tower 2. The length of the middle section tower 2 is greater than the length of the corresponding protrusions 4. A limiting member 7 is provided at the bottom of the side wall of the middle section tower 2 and is positioned below the protrusions 4. A limiting slide 8 is provided on the inner side wall of the lower section tower 1. The limiting slide 8 is in the shape of an inverted "L". The distance from the top of the horizontal part of the limiting slide 8 to the top of the lower section tower 1 is the same as the distance from the limiting member 7 to the bottom of the protrusions 4. The limiting component 7 is slidably installed in the limiting slide rail 8. The installation method of the upper tower section 3 and the middle tower section 2 is the same as that between the lower tower section 1 and the middle tower section 2. The limiting component 7 can slide in the limiting slide rail 8. During installation and lifting, the stroke positioning is achieved by sliding the limiting component 7 in the limiting slide rail 8 to ensure the accuracy of the lifting height and rotation angle of the middle tower section 2 and the upper tower section 3. At the same time, it allows the protrusion 4 to be accurately pulled out of the slot 5, rotated and supported. The outer end of the limiting component 7 is provided with a roller to facilitate the sliding of the limiting component 7 and reduce sliding resistance.

[0027] During installation: The upper tower section 3 is lifted by a crane. During the lifting process, the limiting component 7 slides within the limiting slide rail 8 to perform stroke positioning. As it rises step by step, each limiting component 7 rotates when it reaches the top of the limiting slide rail 8. After rotating into position, the protrusion 4 provides support. After fixing, it is locked by the fixing connection component 6. Multiple interlocking middle tower sections 2 can be set according to the height requirements. During transportation: The lower tower section 1, middle tower section 2, and upper tower section 3 are stacked together to save space occupied during transportation.

[0028] Embodiment 3 of this utility model: A wind power generation tower includes a lower tower section 1, a middle tower section 2, and an upper tower section 3. The middle tower section 2 is inserted into the inner cavity of the lower tower section 1, and the upper tower section 3 is inserted into the inner cavity of the middle tower section 2. The outer walls of the middle tower section 2 and the upper tower section 3 are provided with outwardly protruding and vertically erected protrusions 4. The inner walls of the lower tower section 1 and the middle tower section 2 are provided with inwardly recessed slots 5. The protrusions 4 of the middle tower section 2 are inserted into the slots 5 of the lower tower section 1, and the protrusions 4 of the upper tower section 3 are inserted into the slots 5 of the middle tower section 2. Fixed connecting components 6 are provided at the connection points between the lower tower section 1 and the middle tower section 2 and between the middle tower section 2 and the upper tower section 3, so that the lower tower section 1, the middle tower section 2, and the upper tower section 3 are sleeved together and can be extended and retracted.

[0029] Multiple protrusions 4 are provided on the outer side of the middle section tower 2 and are evenly distributed around the middle section tower 2. The protrusions 4 of the upper section tower 3 are located in the same position as those of the middle section tower 2. The length of the middle section tower 2 is greater than the length of the corresponding protrusions 4. A limiting member 7 is provided at the bottom of the side wall of the middle section tower 2 and is positioned below the protrusions 4. A limiting slide 8 is provided on the inner side wall of the lower section tower 1. The limiting slide 8 is in the shape of an inverted "L". The distance from the top of the horizontal part of the limiting slide 8 to the top of the lower section tower 1 is the same as the distance from the limiting member 7 to the bottom of the protrusions 4. The limiting component 7 is slidably installed in the limiting slide rail 8. The installation method of the upper tower section 3 and the middle tower section 2 is the same as that between the lower tower section 1 and the middle tower section 2. The limiting component 7 can slide in the limiting slide rail 8. During installation and lifting, the stroke positioning is achieved by sliding the limiting component 7 in the limiting slide rail 8 to ensure the accuracy of the lifting height and rotation angle of the middle tower section 2 and the upper tower section 3. At the same time, it allows the protrusion 4 to be accurately pulled out of the slot 5, rotated and supported. The outer end of the limiting component 7 is provided with a roller to facilitate the sliding of the limiting component 7 and reduce sliding resistance.

[0030] The fixed connection component 6 includes a Z-shaped connector 9. Multiple connectors 9 are placed inside the connection between the lower tower section 1 and the middle tower section 2 and fit tightly together. Both the lower tower section 1 and the middle tower section 2 have pre-set through holes. The connectors 9 are fixed by bolts 10. The fixed connection component 6 between the upper tower section 3 and the middle tower section 2 has the same installation connection structure as that between the lower tower section 1 and the middle tower section 2, so that the lower tower section 1 and the middle tower section 2, and the upper tower section 3 and the middle tower section 2 are fixed and locked together. At the same time, the connectors 9 also play a certain supporting role. The inner end of the connector 9 is provided with a lug plate 11. The connectors 9 on the same plane are fixedly connected by a reinforcing structure 12 through the lug plate 11, which increases the stability of the fixed structure and improves the overall strength. At the same time, the reinforcing structure 12 can be used to travel the platform for convenient maintenance.

[0031] During installation: The upper tower section 3 is lifted by a crane. During the lifting process, the limiting component 7 slides within the limiting slide rail 8 to perform stroke positioning. As it rises step by step, each limiting component 7 rotates when it reaches the top of the limiting slide rail 8. After rotating into position, the protrusion 4 provides support. After fixing, it is locked by the fixing connection component 6. Multiple interlocking middle tower sections 2 can be set according to the height requirements. During transportation: The lower tower section 1, middle tower section 2, and upper tower section 3 are stacked together to save space occupied during transportation.

[0032] Specifically, the outer surface of the protrusion 4 is arc-shaped, and the slot 5 corresponds to the shape of the protrusion 4. When the arc-shaped protrusion 4 is exposed, it can reduce wind resistance and reduce the resistance caused by wind.

[0033] The working principle of one embodiment of this utility model is as follows: The utility model is pre-assembled at the factory. During transportation, the lower tower section 1, middle tower section 2, and upper tower section 3 are stacked together, saving space during transport. During installation, the lower tower section 1 is fixed in a suitable position, and the upper tower section 3 is lifted by a crane. During lifting, the limiting member 7 slides within the limiting slide rail 8 for stroke positioning. Each tower section rises step by step until each limiting member 7 reaches the top of the limiting slide rail 8 and rotates. After the limiting member 7 and the limiting slide rail 8 are positioned and rotated into place, the protrusion 4 provides support. After fixing, it is locked by the fixing connection member 6. Multiple interlocking middle tower sections 2 can be set according to height requirements.

Claims

1. A wind power generation tower, characterized in that, The tower includes a lower section (1), a middle section (2), and an upper section (3). The middle section (2) is inserted into the inner cavity of the lower section (1), and the upper section (3) is inserted into the inner cavity of the middle section (2). The outer walls of the middle section (2) and the upper section (3) are provided with protrusions (4) that protrude outward and are vertically erected. The inner walls of the lower section (1) and the middle section (2) are provided with slots (5) that are recessed inward. The protrusions (4) of the middle section (2) are inserted into the slots (5) of the lower section (1), and the protrusions (4) of the upper section (3) are inserted into the slots (5) of the middle section (2). Fixed connecting parts (6) are provided at the connection between the lower section (1) and the middle section (2) and at the connection between the middle section (2) and the upper section (3). The fixed connection component (6) includes a Z-shaped connector (9). Multiple connectors (9) are placed inside the connection between the lower tower section (1) and the middle tower section (2) and fit tightly together. Both the lower tower section (1) and the middle tower section (2) have pre-set perforations. The connectors (9) are fixed by bolts (10). The fixed connection component (6) between the upper tower section (3) and the middle tower section (2) has the same installation connection structure as that between the lower tower section (1) and the middle tower section (2).

2. A wind power generation tower according to claim 1, characterized in that, The middle section tower (2) has multiple protrusions (4) on its outer side, which are evenly distributed around the middle section tower (2). The upper section tower (3) has protrusions (4) in the same position as the middle section tower (2).

3. A wind power generation tower according to claim 2, characterized in that, The length of the middle tower section (2) is greater than the length of the corresponding protrusion (4). A limiting member (7) is provided at the bottom of the side wall of the middle tower section (2), and the limiting member (7) is placed below the protrusion (4). A limiting slide (8) is opened on the inner side wall of the lower tower section (1). The limiting slide (8) is in the shape of an inverted "L". The distance between the top horizontal part of the limiting slide (8) and the top of the lower tower section (1) is the same as the distance between the limiting member (7) and the bottom of the protrusion (4). The limiting member (7) is slidably installed in the limiting slide (8). The installation method of the upper tower section (3) and the middle tower section (2) is the same as that between the lower tower section (1) and the middle tower section (2).

4. A wind power generation tower according to claim 3, characterized in that, The outer end of the limiting member (7) is provided with a roller.

5. A wind power generation tower according to claim 4, characterized in that, The inner end of the connector (9) is provided with an ear plate (11), and the connectors (9) on the same plane are fixedly connected by a reinforcing structure (12) through the ear plate (11).

6. A wind power generation tower according to claim 1, characterized in that, The outer surface of the protrusion (4) is arc-shaped, and the slot (5) corresponds to the shape of the protrusion (4).

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