Door frame structure of wind power tower drum

Abstract

The utility model discloses a wind power tower door frame structure which comprises a prefabricated seat, a tower body fixedly connected to the upper surface of the prefabricated seat, a mounting door frame fixedly connected to the side surface of the tower body, an air outlet formed in the surface of the mounting door frame, a door plate slidably connected to the inner wall of the mounting door frame, and a containing cavity formed in the mounting door frame. Two side plates and a reinforcing block are arranged on the side surface of the tower body, the side plates are fixedly connected with the tower body, the end, close to the tower body, of the reinforcing block is fixedly connected with the side plates, a lubricant supply box is fixedly connected to the front surface of the reinforcing block, and the rear end of the lubricant supply box penetrates to the sliding position of the door plate; ventilation pipes are fixedly connected to the surfaces of the reinforcing blocks, and sealing plugs are arranged in the ventilation pipes. Through the device, the space utilization rate during installation of the wind power tower drum door is increased, the influence of external factors on the opening and closing smoothness of the wind power tower drum door is reduced, and the overall stability of the wind power tower drum door is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drum door frame structures, in particular to a wind power tower drum door frame structure. Background Art

[0002] The door of a wind turbine tower is an important component of the tower of a wind turbine generator set. It is usually used to provide a passage for personnel to enter and exit and maintain equipment. The design and structure of the door have an important impact on the safety, sealing, reliability and other aspects of the wind turbine tower. In the process of opening and closing the door, the door of a general wind turbine tower door frame structure will be affected by strong winds, resulting in reduced opening and closing smoothness of the door, and the air pressure in the tower will also affect the opening and closing smoothness of the door, resulting in reduced practicality of the door frame structure. The "A Wind Tower Door Frame Structure" disclosed in the China Patent Network has an application number of "202221578696.2". The door frame structure improves the convenience of opening and closing the door through folding door panels, trusses, pulleys, and guide plates. However, the installation stability of the door frame structure is poor, and the contact area of ​​the door with strong winds during use is large. After the door is opened, there is a risk of the door automatically closing when it is affected by strong winds, affecting the comfort of use of the door frame structure. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a wind turbine tower door frame structure, so as to reduce the influence of the air pressure inside the wind turbine tower, the friction of the door frame structure itself, and the strong wind on the smoothness of opening and closing of the wind turbine tower door and the use effect of the door, thereby improving the smoothness of opening and closing of the wind turbine tower door, improving the overall stability of the door frame structure after installation, and increasing the comfort of use of the wind turbine tower door frame.

[0004] The utility model also provides a wind power tower door frame structure as mentioned above, comprising: a prefabricated seat, the upper surface of the prefabricated seat is fixedly connected to the tower body, the side surface of the tower body is fixedly connected to the mounting door frame, the surface of the mounting door frame is provided with an air outlet, the inner wall of the mounting door frame is slidably connected with a door panel, the interior of the mounting door frame is provided with a storage cavity, when the wind power tower is inspected and repaired, the door panel is the interior of the storage cavity, the side surface of the tower body is provided with two side panels and a reinforcement block, the side panel is fixedly connected to the tower body, the reinforcement block is fixedly connected to the side panel at one end close to the tower body, and the reinforcement block is in close contact with the front surface of the mounting door frame, the front surface of the reinforcement block is fixedly connected with a lubricant supply box, the rear end of the lubricant supply box passes through the sliding part of the door panel, the surface of the reinforcement block is fixedly connected with a ventilation pipe, the ventilation pipe is in close contact with the inner wall of the ventilation opening of the mounting door frame, a sealing plug is provided inside the ventilation pipe, and the sealing plug is clamped with the reinforcement block.

[0005] According to the wind power tower door frame structure described in the utility model, a reinforcing rod is fixedly connected to the lower surface of the reinforcing block, and the lower end of the reinforcing rod is fixedly connected to the upper surface of the prefabricated seat, thereby improving the stability of the reinforcing block.

[0006] According to the wind power tower door frame structure described in the utility model, a sealing gasket is fixedly connected to the lower end of the door panel, and the lower end of the sealing gasket is in close contact with the lower inner wall of the installation door frame, thereby improving the sealing effect of the wind power tower.

[0007] According to the wind power tower door frame structure described in the utility model, the lower inner wall of the installation door frame is provided with a contoured groove, and the sealing gasket contours the inside of the groove, thereby improving the effect of the sealing gasket.

[0008] According to the wind power tower door frame structure described in the utility model, a sealing ring is fixedly connected to the upper inner wall of the mounting door frame, and the inner wall of the sealing ring is in close contact with the door panel, thereby improving the sealing effect of the storage cavity.

[0009] According to the wind power tower door frame structure described in the utility model, a plurality of telescopic rods are fixedly connected to the upper surface of the door panel, and the upper ends of the telescopic rods are in close contact with the storage cavity, thereby improving the stability of the door panel.

[0010] According to the wind power tower door frame structure described in the utility model, a sealing sleeve is fixedly connected to the front surface of the mounting door frame, and the rear end of the ventilation pipe is located inside the sealing sleeve, thereby improving the tightness between the ventilation pipe and the mounting door frame.

[0011] According to the wind power tower door frame structure described in the utility model, a receiving groove is provided on a side of the reinforcement block close to the tower body, and the front end of the sealing sleeve is located inside the receiving groove, thereby improving the effect of the sealing sleeve.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, this wind turbine tower door frame structure improves the overall sealing effect of the wind turbine tower by installing a door frame, a storage cavity, a telescopic rod, a sealing gasket, a contoured groove, a reinforcement block, and a reinforcement rod, reduces the impact of external factors on the internal components of the wind turbine tower, and at the same time improves the space utilization rate during the installation of the door, and ensures that the installed door frame has sufficient installation stability.

[0014] 2. Compared with the prior art, this wind turbine tower door frame structure reduces the air pressure and friction that affect the convenience of opening and closing the wind turbine tower door through reinforcement blocks, lubricant supply boxes, ventilation pipes, and storage grooves, thereby improving the comfort of using the wind turbine tower door. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a front plan view of a wind power tower door frame structure of the utility model;

[0017] Figure 2 This is a top view of the inner surface of a wind power tower door frame structure of the utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of a wind power tower door frame structure of the utility model;

[0019] Figure 4 The utility model is a wind power tower door frame structure Figure 3 Enlarged structural diagram at point B in the middle.

[0020] Legend:

[0021] 1. Prefabricated seat; 2. Tower body; 3. Install door frame; 4. Side panel; 5. Reinforcement block; 6. Lubricant supply box; 7. Ventilation pipe; 8. Sealing sleeve; 9. Sealing plug; 10. Contoured groove; 11. Storage groove; 12. Reinforcement rod; 13. Door panel; 14. Sealing gasket; 15. Sealing ring; 16. Telescopic rod; 17. Storage cavity. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment provides a wind power tower door frame structure, which includes: a prefabricated seat 1, the upper surface of the prefabricated seat 1 is fixedly connected to a tower body 2, the side surface of the tower body 2 is fixedly connected to a mounting door frame 3, and the surface of the mounting door frame 3 is provided with an air outlet. The air outlet of the mounting door frame 3 is convenient for discharging the air inside the wind power tower to avoid the air pressure inside the wind power tower affecting the opening and closing effect of the wind power tower door.

[0024] The inner wall of the installation door frame 3 is slidably connected with a door panel 13, and a storage cavity 17 is arranged inside the installation door frame 3. When inspecting the wind power tower, the door panel 13 is inside the storage cavity 17, and a plurality of telescopic rods 16 are fixedly connected to the upper surface of the door panel 13, and the upper ends of the telescopic rods 16 are in close contact with the storage cavity 17. The above device forms a wind power tower door structure that can be switched up and down, thereby improving the space utilization rate and reducing the influence of strong wind on the smoothness of the opening and closing of the wind power tower door. A sealing gasket 14 is fixedly connected to the lower end of the door panel 13, and the lower end of the sealing gasket 14 is in close contact with the lower inner wall of the installation door frame 3. A profiling groove 10 is arranged on the lower inner wall of the installation door frame 3, and the sealing gasket 14 is inside the profiling groove 10. A sealing ring 15 is fixedly connected to the upper inner wall of the installation door frame 3, and the inner wall of the sealing ring 15 is in close contact with the door panel 13. The sealing gasket 14, the profiling groove 10, and the sealing sleeve 8 cooperate with each other to improve the sealing effect after the door panel 13 is closed, and improve the sealing performance of the tower body 2.

[0025] The side surface of the tower body 2 is provided with two side panels 4 and a reinforcement block 5. The side panels 4 are fixedly connected to the tower body 2. The end of the reinforcement block 5 close to the tower body 2 is fixedly connected to the side panels 4, and the reinforcement block 5 is in close contact with the front surface of the installation door frame 3. The lower surface of the reinforcement block 5 is fixedly connected with a reinforcement rod 12, and the lower end of the reinforcement rod 12 is fixedly connected to the upper surface of the prefabricated seat 1. The above devices cooperate with each other, and the reinforcement block 5 is used to improve the installation stability of the installation door frame 3.

[0026] A lubricant supply box 6 is fixedly connected to the front surface of the reinforcement block 5, and the rear end of the lubricant supply box 6 penetrates to the sliding part of the door panel 13. The lubricant supply box 6 is convenient for adding lubricant to the sliding part of the door panel 13 to avoid friction affecting the opening and closing smoothness of the door panel 13. A ventilation pipe 7 is fixedly connected to the surface of the reinforcement block 5. The ventilation pipe 7 is in close contact with the inner wall of the vent of the installation door frame 3. A sealing plug 9 is arranged inside the ventilation pipe 7. The sealing plug 9 is clamped with the reinforcement block 5. The ventilation pipe 7 and the reinforcement block 5 cooperate with each other to ensure that the tower body 2 has sufficient sealing when the door panel 13 is not opened, and improve the convenience of discharging the air inside the tower body 2. A sealing sleeve 8 is fixedly connected to the front surface of the installation door frame 3. The rear end of the ventilation pipe 7 is located inside the sealing sleeve 8. A storage groove 11 is arranged on the side of the reinforcement block 5 close to the tower body 2. The front end of the sealing sleeve 8 is located inside the storage groove 11. The sealing sleeve 8 and the storage groove 11 cooperate with each other to improve the tightness of the connection between the ventilation pipe 7 and the installation door frame 3.

[0027] Working principle: When the wind turbine tower door is closed, the sealing gasket 14, the contoured groove 10 and the sealing ring 15 ensure that the wind turbine tower has sufficient sealing. When the wind turbine tower door is opened, the door panel 13 can be directly lifted. When the friction force when lifting the door panel 13 is large, the lubricant supply box 6 can be squeezed to add lubricant to the sliding part of the door panel 13. When the internal air pressure of the wind turbine tower affects the lifting work, the sealing plug 9 can be separated to improve the air pressure in the tower. The rear end of the ventilation pipe 7 is connected to the vent of the door frame 3 through the sealing sleeve 8 to ensure that the ventilation pipe 7 will not affect the staff from lifting the door panel 13.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A wind power tower door frame structure, characterized in that: include: A prefabricated seat (1), wherein the upper surface of the prefabricated seat (1) is fixedly connected to a tower body (2), the side surface of the tower body (2) is fixedly connected to a mounting door frame (3), the surface of the mounting door frame (3) is provided with an air outlet, the inner wall of the mounting door frame (3) is slidably connected to a door panel (13), a storage cavity (17) is provided inside the mounting door frame (3), and when the wind power tower is being repaired, the door panel (13) is the interior of the storage cavity (17); The side surface of the tower body (2) is provided with two side panels (4) and a reinforcement block (5), the side panels (4) are fixedly connected to the tower body (2), one end of the reinforcement block (5) close to the tower body (2) is fixedly connected to the side panel (4), and the reinforcement block (5) is in close contact with the front surface of the mounting door frame (3); A lubricant supply box (6) is fixedly connected to the front surface of the reinforcing block (5), and a rear end of the lubricant supply box (6) extends through the sliding portion of the door panel (13). A ventilation pipe (7) is fixedly connected to the surface of the reinforcing block (5), and the ventilation pipe (7) is in close contact with the inner wall of the ventilation opening of the mounting door frame (3). A sealing plug (9) is provided inside the ventilation pipe (7), and the sealing plug (9) is snap-fitted to the reinforcing block (5).

2. A wind power tower door frame structure according to claim 1, characterized in that: A reinforcing rod (12) is fixedly connected to the lower surface of the reinforcing block (5), and the lower end of the reinforcing rod (12) is fixedly connected to the upper surface of the prefabricated seat (1).

3. A wind power tower door frame structure according to claim 1, characterized in that: A sealing gasket (14) is fixedly connected to the lower end of the door panel (13), and the lower end of the sealing gasket (14) is in close contact with the lower inner wall of the mounting door frame (3).

4. A wind power tower door frame structure according to claim 3, characterized in that: The lower inner wall of the mounting door frame (3) is provided with a contoured groove (10), and the sealing gasket (14) is disposed inside the contoured groove (10).

5. A wind power tower door frame structure according to claim 1, characterized in that: A sealing ring (15) is fixedly connected to the upper inner wall of the mounting door frame (3), and the inner wall of the sealing ring (15) is in close contact with the door panel (13).

6. A wind power tower door frame structure according to claim 1, characterized in that: A plurality of telescopic rods (16) are fixedly connected to the upper surface of the door panel (13), and the upper ends of the telescopic rods (16) are in close contact with the storage cavity (17).

7. A wind power tower door frame structure according to claim 1, characterized in that: A sealing sleeve (8) is fixedly connected to the front surface of the mounting door frame (3), and the rear end of the ventilation pipe (7) is located inside the sealing sleeve (8).

8. A wind power tower door frame structure according to claim 7, characterized in that: A receiving groove (11) is provided on one side of the reinforcement block (5) close to the tower body (2), and the front end of the sealing sleeve (8) is located inside the receiving groove (11).

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