Novel fan tower conversion section structure

Abstract

The utility model discloses a novel fan tower conversion section structure, which belongs to the technical field of fan towers and comprises a conversion section body, a fan tower tube is arranged above the conversion section body, a first limiting rod is arranged inside each first fixing block, a first limiting pin shaft is arranged outside each first fixing block, and a second limiting pin shaft is arranged outside each first fixing block. Four connecting blocks arranged at equal intervals are fixedly connected to the outer surface of the fixing ring, a second fixing block is fixedly connected to the upper surface of each connecting block, a second limiting rod is arranged in each second fixing block, and a second limiting pin shaft is arranged outside each second fixing block; a limiting opening is formed in the top end of each second limiting rod, a plug pin is arranged on the outer portion of each second limiting rod, the first limiting rods and the second limiting rods are movably hinged through the plug pins through the arranged conversion section body and the fan tower barrel, and in this way, a worker can conveniently and fixedly connect the conversion section body and the fan tower barrel.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine towers, in particular to a novel wind turbine tower conversion section structure. Background Art

[0002] Wind turbine tower refers to the supporting structure of wind turbine generator set, which is generally a column or cone structure composed of steel plate rolling, welding and other forms, with auxiliary equipment such as mechanical internals and electrical internals attached inside. Wind turbine tower includes tower body, ladder, cable, cable ladder, platform and other structures. Wind turbine tower is the tower pole of wind power generation, which mainly plays a supporting role in wind turbine generator set and absorbs the vibration of the unit. It includes tower and tower interior parts. Tower is the main load-bearing component of wind turbine generator set. Its main function is to support the mechanical parts of wind turbine, power generation system (gravity load), withstand the force of wind rotor and the force of wind on the tower, have sufficient fatigue strength, and can withstand the vibration load caused by wind rotor, including the periodic influence of starting and stopping, sudden wind changes, tower shadow effect, etc.

[0003] A Chinese patent with announcement number CN219366229U discloses a new high tower transition section structure applied to a wind turbine generator set. The new high tower transition section structure provided by the device will ensure a perfect transition between the new high tower truss section and the conventional tower barrel. However, the above patent uses a flange to fix the wind turbine tower. This method will rust after long-term use, thereby reducing the service life of the fixing accessories and making it inconvenient for subsequent staff to disassemble and maintain it. Therefore, technical personnel in this field provide a new wind turbine tower transition section structure to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a novel wind turbine tower conversion section structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A novel wind turbine tower conversion section structure comprises a conversion section body, a wind turbine tower is arranged above the conversion section body, four first fixed blocks arranged at equal distances are fixedly connected to the outer surface of the wind turbine tower, a first limiting rod is arranged inside each of the first fixed blocks, a first limiting pin is arranged outside each of the first fixed blocks, one end of each of the first limiting pins close to the first limiting rod passes through the first fixed block and the first limiting rod and extends to the outside of the first fixed block, a fixing ring is sleeved on the outer surface of the conversion section body, four connecting blocks arranged at equal distances are fixedly connected to the outer surface of the fixing ring, and the upper surface of each of the connecting blocks They are all fixedly connected with a second fixed block, a second limit rod is provided inside each of the second fixed blocks, a second limit pin is provided outside each of the second fixed blocks, one end of each of the second limit pins close to the second fixed block passes through the second fixed block and the second limit rod and extends to the outside of the second fixed block, a limit opening is provided at the top of each of the second limit rods, the bottom end of each of the first limit rods passes through the limit opening and extends to the inside of the limit opening, a latch is provided outside each of the second limit rods, and one end of each of the latches close to the second limit rod passes through the second limit rod and the first limit rod and extends to the outside of the second limit rod.

[0007] As a further solution of the utility model: the bottom surface of the fixing ring is fixedly connected with a support plate, and the bottom surface of the support plate is provided with a plurality of mounting holes arranged at equal distances.

[0008] As a further solution of the utility model: the outer surface of the fixing ring is fixedly connected with four connecting plates arranged at equal distances, and the outer surface of each connecting plate is fixedly connected with a supporting leg.

[0009] As a further solution of the utility model: the upper surface of the conversion section body is provided with a plurality of equally spaced slots, and the interiors of the plurality of slots are commonly connected to the bottom surface of the wind turbine tower via a clamping block.

[0010] As a further solution of the utility model: a flange ring is provided inside the conversion section body, and the conversion section body and the wind turbine tower are connected via the flange ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The novel wind turbine tower conversion section structure is provided with a conversion section body and a wind turbine tower, and with the cooperation of a first limit rod and a second limit rod, the first limit rod and the second limit rod are movably hinged by means of a latch. This method is not only convenient for the staff to fix the connection between the conversion section body and the wind turbine tower, but also convenient for the staff to disassemble and maintain the first limit rod and the second limit rod through the first limit pin and the second limit pin when replacing them, thereby ensuring that the staff can perform quick maintenance when any problem occurs with the wind turbine tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of a new type of wind turbine tower conversion section structure;

[0014] Figure 2 It is a three-dimensional diagram of a front cross-section of a novel wind turbine tower conversion section structure;

[0015] Figure 3 A three-dimensional diagram of a bottom view of a novel wind turbine tower conversion section structure;

[0016] Figure 4 A new type of wind turbine tower conversion section structure Figure 1 A schematic diagram of the enlarged structure in the middle.

[0017] In the figure: 1. conversion section body; 2. wind turbine tower; 3. support leg; 4. support plate; 5. connecting plate; 6. mounting hole; 7. fixing ring; 8. slot; 9. flange ring; 10. connecting block; 11. first fixing block; 12. first limit pin; 13. latch; 14. second limit pin; 15. second fixing block; 16. second limit rod; 17. limit opening; 18. first limit rod. DETAILED DESCRIPTION

[0018] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0020] See also Figures 1 to 4 In an embodiment of the utility model, a novel wind turbine tower conversion section structure comprises a conversion section body 1, a wind turbine tower 2 is arranged above the conversion section body 1, and four first fixed blocks 11 arranged at equal distances are fixedly connected to the outer surface of the wind turbine tower 2, and a first limiting rod 18 is arranged inside each first fixed block 11, and a first limiting pin 12 is arranged outside each first fixed block 11, and an end of each first limiting pin 12 close to the first limiting rod 18 penetrates the first fixed block 11 and the first limiting rod 18 and extends to the outside of the first fixed block 11, and a fixing ring 7 is sleeved on the outer surface of the conversion section body 1, and four connecting blocks 10 arranged at equal distances are fixedly connected to the outer surface of the fixing ring 7, and the upper surface of each connecting block 10 is fixed A second fixed block 15 is fixedly connected, and a second limiting rod 16 is provided inside each second fixed block 15, and a second limiting pin 14 is provided outside each second fixed block 15. The end of each second limiting pin 14 close to the second fixed block 15 penetrates the second fixed block 15 and the second limiting rod 16 and extends to the outside of the second fixed block 15. A limiting opening 17 is provided at the top of each second limiting rod 16, and the bottom end of each first limiting rod 18 penetrates the limiting opening 17 and extends to the inside of the limiting opening 17. A latch 13 is provided outside each second limiting rod 16, and the end of each latch 13 close to the second limiting rod 16 penetrates the second limiting rod 16 and the first limiting rod 18 and extends to the outside of the second limiting rod 16.

[0021] The bottom surface of the fixing ring 7 is fixedly connected to a support plate 4, and a plurality of equally spaced mounting holes 6 are provided on the bottom surface of the support plate 4. The outer surface of the fixing ring 7 is fixedly connected to four equally spaced connecting plates 5, and the outer surface of each connecting plate 5 is fixedly connected to a support leg 3. By setting the support plate 4, with the cooperation of the mounting holes 6, the stability of the conversion section body 1 is reinforced.

[0022] The upper surface of the conversion section body 1 is provided with a plurality of equally spaced card slots 8, the interiors of the plurality of card slots 8 are connected to the bottom surface of the wind turbine tower 2 via a card block, a flange ring 9 is provided inside the conversion section body 1, the conversion section body 1 and the wind turbine tower 2 are connected via the flange ring 9, and the card slots 8 are provided to make the conversion section body 1 and the wind turbine tower 2 more stable.

[0023] The working principle of the utility model is: when in use, the staff installs the conversion section body 1 at a suitable position, and then installs the wind tower 2 above it through the slot 8, and then overlaps the first limit rod 18 and the second limit rod 16 on the surface of the conversion section body 1 and the wind tower 2. The crossed first limit rod 18 and the second limit rod 16 are penetrated by the pin 13 to complete the fixed installation between the conversion section body 1 and the wind tower 2. When disassembling or maintaining the device, the first limit pin 12 and the second limit pin 14 are pulled out to complete the maintenance and disassembly of the first limit rod 18 and the second limit rod 16.

[0024] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A novel wind turbine tower conversion section structure, comprising a conversion section body (1), characterized in that: A wind turbine tower (2) is arranged above the conversion section body (1); the outer surface of the wind turbine tower (2) is fixedly connected with four first fixed blocks (11) arranged at equal distances; each of the first fixed blocks (11) is provided with a first limiting rod (18) inside; each of the first fixed blocks (11) is provided with a first limiting pin (12) outside; one end of each of the first limiting pins (12) close to the first limiting rod (18) penetrates the first fixed block (11) and the first limiting rod (18) and extends to the outside of the first fixed block (11); a fixing ring (7) is sleeved on the outer surface of the conversion section body (1); four connecting blocks (10) arranged at equal distances are fixedly connected to the outer surface of the fixing ring (7); the upper surface of each of the connecting blocks (10) is fixedly connected with a second fixing block (15); each of the second A second limiting rod (16) is provided inside the fixed block (15), and a second limiting pin (14) is provided outside each of the second fixed blocks (15). One end of each of the second limiting pins (14) close to the second fixed block (15) penetrates the second fixed block (15) and the second limiting rod (16) and extends to the outside of the second fixed block (15). A limiting opening (17) is provided at the top of each of the second limiting rods (16), and the bottom end of each of the first limiting rods (18) penetrates the limiting opening (17) and extends to the inside of the limiting opening (17). A latch (13) is provided outside each of the second limiting rods (16), and one end of each of the latches (13) close to the second limiting rod (16) penetrates the second limiting rod (16) and the first limiting rod (18) and extends to the outside of the second limiting rod (16).

2. A novel wind turbine tower conversion section structure according to claim 1, characterized in that: The bottom surface of the fixing ring (7) is fixedly connected to a support plate (4), and the bottom surface of the support plate (4) is provided with a plurality of mounting holes (6) arranged at equal distances.

3. The novel wind turbine tower conversion section structure according to claim 1 is characterized in that: The outer surface of the fixing ring (7) is fixedly connected to four connecting plates (5) arranged at equal distances, and the outer surface of each connecting plate (5) is fixedly connected to a supporting leg (3).

4. The novel wind turbine tower conversion section structure according to claim 1 is characterized in that: The upper surface of the conversion section body (1) is provided with a plurality of equally spaced slots (8), and the interiors of the plurality of slots (8) are commonly engaged with the bottom surface of the wind turbine tower (2) via a clamping block.

5. The novel wind turbine tower conversion section structure according to claim 1 is characterized in that: A flange ring (9) is provided inside the conversion section body (1), and the conversion section body (1) and the wind turbine tower (2) are connected via the flange ring (9).

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