Wind power tower door frame welding platform

Abstract

The utility model belongs to the field of welding platforms, and particularly relates to a wind power tower tube door frame welding platform which comprises a bottom plate, the upper end of the bottom plate is connected with a supporting frame in a sliding mode, a supporting wheel is installed in the supporting frame through a bearing, the outer side of the supporting wheel makes contact with a tower tube, and an adaptive adjusting mechanism is arranged on the bottom plate. A movable frame is slidably connected to the upper end of the bottom plate, a crawling ladder is hinged to the upper portion of the end, away from the tower tube, of the movable frame, and a platform frame is hinged to the end, close to the tower tube, of the crawling ladder. The supporting frames, the guide rails, the positive and negative screw rods and other structures are additionally arranged on the bottom plate, the supporting frames can be driven to move through threaded fit between the positive and negative screw rods and the threaded frame in the using process, the distance between the supporting frames can be adjusted, the device can support tower barrels of various different models, and the supporting efficiency is improved. Therefore, the device is more convenient to use.

Description

Technical Field

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

[0002] According to the wind power tower door frame welding platform proposed in the patent application publication number: CN110202300A, the invention discloses a wind power tower door frame welding platform, including a gantry, a walking platform, a ladder, a winch, a traction member, a fixed pulley and a hinge seat. The fixed pulley is installed on the crossbeam of the gantry, the winch is located below the corresponding fixed pulley, the walking platform is located in front of the crossbeam, the hinge seat is located at the rear and lower part of the walking platform, the ladder is located in front of the crossbeam, the bottom end of the ladder is hinged to the hinge seat, the top end of the ladder is fixed to the walking platform, one end of the traction member is installed on the walking platform or the ladder, the other end of the traction member is installed on the winch, and the traction member is also wound around the fixed pulley from the rear of the crossbeam. The wind power tower door frame welding platform of the present invention has the advantages of convenient operation, improved production efficiency, reduced occupied space and low cost.

[0003] However, the welding platform in the prior art is not convenient for supporting the tower when welding the tower, which affects the stability of the tower, and is not convenient for adjusting the position of the tower during the process of hoisting the tower, which affects the welding accuracy. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide a wind power tower door frame welding platform, which solves the problem that the welding platform is inconvenient to support the tower and inconvenient to adjust the welding position.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind power tower door frame welding platform, comprising a base plate, the upper end of the base plate is slidably connected to a support frame, a support wheel is installed inside the support frame through a bearing, the outer side of the support wheel contacts the tower tube, an adaptive adjustment mechanism is provided on the base plate, the upper end of the base plate is slidably connected to a movable frame, a ladder is hingedly connected to the upper part of the end of the movable frame away from the tower tube, the end of the ladder is hingedly connected to the platform frame close to the tower tube, the lower end of the platform frame is rotatably connected to a lower pressure wheel, a threaded rod is installed through a bearing in the middle part of the upper end of the base plate, and a servo motor is fixedly installed in the middle part of the upper end of the base plate.

[0006] Preferably, the lower pressure wheel is in contact with the tower tube, and two moving wheels symmetrically distributed on the left and right are fixedly connected to the outer side of the moving frame, and the moving wheels can support the moving frame.

[0007] Preferably, the servo motor is fixedly connected to the threaded rod, and the threaded rod is connected to the movable frame via threads, and the threaded rod can drive the movable frame to move by cooperating with the threads of the movable frame.

[0008] Preferably, two symmetrically distributed guide frames are fixedly connected to the upper end of the base plate, and the guide frames are slidably connected to the movable frame, and the guide frames can guide the movement of the movable frame.

[0009] Preferably, the adaptive adjustment mechanism includes a guide rail, the upper end of the base plate is fixedly connected to the guide rail, the interior of the support frame is equipped with a lubrication wheel through a bearing, the outer side of the support frame is fixedly connected to a threaded frame, the upper end of the base plate is equipped with forward and reverse screws through bearings, the back side of the forward and reverse screws is fixedly connected to a sprocket, the outer side of the sprocket is sleeved with a chain, and the front side of the forward and reverse screws located on the right side of the base plate is fixedly connected to a handle, and the handle can drive the forward and reverse screws to rotate.

[0010] Preferably, the guide rail is slidably connected to the support frame, the lubrication wheel is in contact with the guide rail, the forward and reverse screws are engaged with the threaded frame, and the guide rail can guide the movement of the support frame.

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

[0012] 1. The utility model adds a support frame, a guide rail, and structures such as forward and reverse screws on the bottom plate. During use, the support frame can be driven to move by the threaded cooperation between the forward and reverse screws and the threaded frame, and the spacing between the support frames can be adjusted. The device can support towers of various models, thereby making the device more convenient to use.

[0013] 2. The utility model adds support wheels on the support frame and adds lower pressure wheels and other structures under the platform frame. When the tower needs to be adjusted, the support wheels can be driven to rotate through the tower tube, so that the welding position of the tower after lifting can be adjusted, making the device more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0015] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0016] Figure 3 For the utility model Figure 1 A three-dimensional diagram of the local structure;

[0017] Figure 4For the utility model Figure 3 A magnified view of the structure of part A;

[0018] Figure 5 For the utility model Figure 3 Enlarged view of the structure of part B.

[0019] In the figure: 1, base plate; 2, support frame; 3, support wheel; 4, tower tube; 5, adaptive adjustment mechanism; 6, mobile frame; 7, ladder; 8, platform frame; 9, lower pressure wheel; 10, guide frame; 11, mobile wheel; 12, threaded rod; 13, servo motor; 51, guide rail; 52, lubrication wheel; 53, threaded frame; 54, forward and reverse screws; 55, handle; 56, sprocket; 57, chain. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A wind power tower door frame welding platform comprises a base plate 1, a support frame 2 is slidably connected to the upper end of the base plate 1, a support wheel 3 is installed inside the support frame 2 through a bearing, the outer side of the support wheel 3 contacts the tower tube 4, an adaptive adjustment mechanism 5 is arranged on the base plate 1, a moving frame 6 is slidably connected to the upper end of the base plate 1, a ladder 7 is hingedly connected to the upper part of the end of the moving frame 6 away from the tower tube 4, a platform frame 8 is hingedly connected to the end of the ladder 7 close to the tower tube 4, a lower pressure wheel 9 is rotatably connected to the lower end of the platform frame 8, a threaded rod 12 is installed through a bearing in the middle part of the upper end of the base plate 1, and a servo motor 13 is fixedly installed in the middle part of the upper end of the base plate 1.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The lower pressure wheel 9 is in contact with the tower tube 4. The outer side of the mobile frame 6 is fixedly connected with two left and right symmetrically distributed mobile wheels 11, and the mobile wheel 11 can support the mobile frame 6. The servo motor 13 is fixedly connected with the threaded rod 12. The threaded rod 12 is connected to the mobile frame 6 by a thread. The threaded rod 12 can drive the mobile frame 6 to move by the thread cooperation with the mobile frame 6. The upper end of the base plate 1 is fixedly connected with two symmetrically distributed guide frames 10. The guide frame 10 is slidably connected to the mobile frame 6, and the guide frame 10 can guide the movement of the mobile frame 6.

[0023] See also Figure 1 , Figure 3 , Figure 5 The adaptability adjustment mechanism 5 includes a guide rail 51, the upper end of the base plate 1 is fixedly connected with the guide rail 51, the inside of the support frame 2 is installed with a lubrication wheel 52 through a bearing, the outside of the support frame 2 is fixedly connected with a threaded frame 53, the upper end of the base plate 1 is installed with a forward and reverse screw 54 through a bearing, the back of the forward and reverse screw 54 is fixedly connected with a sprocket 56, the outer side of the sprocket 56 is sleeved with a chain 57, the front of the forward and reverse screw 54 located on the right side of the base plate 1 is fixedly connected with a handle 55, the handle 55 can drive the forward and reverse screw 54 to rotate, the guide rail 51 is slidably connected to the support frame 2, the lubrication wheel 52 is in contact with the guide rail 51, the forward and reverse screw 54 is meshed with the threaded frame 53, and the guide rail 51 can guide the movement of the support frame 2.

[0024] The specific implementation process of the utility model is as follows: when in use, the handle 55 is turned, and the handle 55 drives the forward and reverse screws 54 to rotate. While the forward and reverse screws 54 rotate, the sprocket 56 and the chain 57 drive another forward and reverse screw 54 to rotate. During the rotation process, the forward and reverse screws 54 can drive the support frame 2 to move through the threaded cooperation with the threaded frame 53. During the movement of the support frame 2, the spacing between the two support frames 2 can be adjusted. After adjusting to the appropriate position, stop turning the handle 55, and then the platform frame 8 is flipped upward. After flipping vertically, the tower tube 4 is hoisted and placed on the support wheel 3. Then the platform frame 8 is flipped over to release the lower pressure wheel 9 from the tower tube 4, and then the servo motor 13 is started. The servo motor 13 drives the threaded rod 12 to rotate. During the rotation, the threaded rod 12 can drive the mobile frame 6 to move by cooperating with the thread between the mobile frame 6. During the movement of the mobile frame 6, the angle of the ladder 7 can be adjusted. During the change of the angle of the ladder 7, the use angle of the platform frame 8 can be adjusted. When the platform frame 8 is horizontal, the servo motor 13 can be stopped, and then the tower tube 4 can be rotated by manpower to rotate the door frame position of the tower tube 4 to the bottom of the platform frame 8.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind power tower door frame welding platform, comprising a bottom plate (1), characterized in that: The upper end of the base plate (1) is slidably connected to a support frame (2), a support wheel (3) is installed inside the support frame (2) via a bearing, the outer side of the support wheel (3) contacts the tower tube (4), an adaptive adjustment mechanism (5) is provided on the base plate (1), the upper end of the base plate (1) is slidably connected to a moving frame (6), the upper part of the end of the moving frame (6) away from the tower tube (4) is hinged with a ladder (7), the end of the ladder (7) close to the tower tube (4) is hinged with a platform frame (8), the lower end of the platform frame (8) is rotatably connected to a lower pressure wheel (9), a threaded rod (12) is installed in the middle part of the upper end of the base plate (1) via a bearing, and a servo motor (13) is fixedly installed in the middle part of the upper end of the base plate (1).

2. A wind turbine tower door frame welding platform according to claim 1, characterized in that: The lower pressure wheel (9) is in contact with the tower tube (4), and the outer side of the movable frame (6) is fixedly connected to two movable wheels (11) that are symmetrically distributed on the left and right.

3. A wind power tower door frame welding platform according to claim 1, characterized in that: The servo motor (13) is fixedly connected to the threaded rod (12), and the threaded rod (12) is connected to the moving frame (6) via threads.

4. A wind turbine tower door frame welding platform according to claim 1, characterized in that: Two symmetrically distributed guide frames (10) are fixedly connected to the upper end of the base plate (1), and the guide frames (10) are slidably connected to the movable frame (6).

5. A wind power tower door frame welding platform according to claim 1, characterized in that: The adaptive adjustment mechanism (5) comprises a guide rail (51), the upper end of the base plate (1) is fixedly connected to the guide rail (51), the interior of the support frame (2) is equipped with a lubrication wheel (52) via a bearing, the outer side of the support frame (2) is fixedly connected to a threaded frame (53), the upper end of the base plate (1) is equipped with a forward and reverse screw rod (54) via a bearing, the back side of the forward and reverse screw rod (54) is fixedly connected to a sprocket wheel (56), the outer side of the sprocket wheel (56) is sleeved with a chain (57), and the front side of the forward and reverse screw rod (54) located on the right side of the base plate (1) is fixedly connected to a handle (55).

6. A wind power tower door frame welding platform according to claim 5, characterized in that: The guide rail (51) is slidably connected to the support frame (2), the lubrication wheel (52) is in contact with the guide rail (51), and the forward and reverse screws (54) are meshed with the threaded frame (53).

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