Fixing device for wind driven generator tower drum

Abstract

The utility model relates to the technical field of wind driven generators, in particular to a fixing device for a wind driven generator tower drum, and adopts the technical scheme that the fixing device comprises a bottom plate and a limiting frame, a supporting plate is welded at the top of the bottom plate, a first bearing is embedded in the supporting plate, and a fixing sleeve is fixedly mounted on an inner ring of the first bearing; hydraulic cylinders are installed above the front side and the rear side of the fixing sleeve correspondingly, movable frames are installed at the bottoms of the two hydraulic cylinders correspondingly, brackets are installed on the front side and the rear side of the fixing sleeve below the two movable frames correspondingly, a connecting plate is welded to the front side of the supporting plate, a screw hole is formed in the connecting plate, and a screw rod is in threaded connection with the inner wall of the screw hole. A second bearing is installed on the side face of the limiting frame, and the screw is fixedly connected with an inner ring of the second bearing. The wind driven generator tower drum fixing device has the advantages that the wind driven generator tower drum can be driven to rotate to adjust the position while the wind driven generator tower drum is fixed, workers can assemble the wind driven generator tower drum conveniently, and the assembling operation difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine generators, in particular to a fixing device for a wind turbine generator tower. Background Art

[0002] A wind turbine is a device that converts wind energy into electrical energy. Normally, due to the action of wind, the blades in the wind turbine rotate, driving the generator to generate electricity. This technology is widely used in power generation systems of various sizes, including large commercial wind farms and small wind power generation systems for individual residences. The fixing device is a structure used to fix the wind turbine tower during transportation or assembly.

[0003] Publication number: CN212290218U, a wind turbine tower offshore transport fixing device, including a base plate, a tower body, a lashing chain and an arc-shaped pressure plate, the upper surface of the base plate is welded with four support platforms in a rectangular array, the bottom end of the tower body is in contact with the top of the support platform, the front and rear ends of the upper surface of the base plate are respectively fixed with two lock buckles, the two ends of the two lashing chains are respectively fixed to the upper surface of the base plate by two lock buckles on the same side, the lashing chain presses the tower body, the middle of the two sides of the upper surface of the base plate are respectively welded with fixing blocks, the top of the fixing block is provided with a slot, one side of the bottom end of the arc-shaped pressure plate is fixed with a plug-in block, the plug-in block is inserted into the slot, the other side of the arc-shaped pressure plate extends into the tower body and fits with the bottom end of the inner side of the tower body, and the plug-in block is fixedly connected to the fixing block by bolts. The utility model has the advantages of fixing the tower body while positioning the two ends of the tower body to keep the tower body stable.

[0004] In summary, in the prior art CN212290218U, the tower body is fixed by means of structures such as binding chains and pressure plates, and is transported to a designated location for assembly. The fixing device cannot drive the tower body to rotate and adjust its position to assist the staff in assembling the tower body. Utility Model Content

[0005] The utility model aims to provide a fixing device for a wind turbine tower, which has the advantages of being able to drive the wind turbine tower to rotate and adjust its position while fixing the wind turbine tower, thereby facilitating the staff to assemble the wind turbine tower and reducing the difficulty of assembly operation, and solving the problem that the fixing device cannot drive the wind turbine tower to rotate and adjust its position after fixing the wind turbine tower.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing device for a wind turbine tower, comprising a base plate and a limit frame, a support plate welded on the top of the base plate, a bearing 1 is embedded and installed on the support plate, a fixing sleeve is fixedly installed on the inner ring of the bearing 1, hydraulic cylinders are installed above the front and rear sides of the fixing sleeve, movable frames are installed at the bottom of the two hydraulic cylinders, brackets are installed on the front and rear sides of the fixing sleeves under the two movable frames, a connecting plate is welded on the front side of the support plate, a screw hole is opened on the connecting plate, a screw is threadedly connected to the inner wall of the screw hole, a bearing 2 is installed on the side of the limit frame, and the screw is fixedly connected to the inner ring of the bearing 2.

[0007] When using a fixing device for a wind turbine tower in the technical solution, the bottom plate is fixed to the ground or the bearing structure through the fixing holes of the bottom plate using bolts and other tools, the wind turbine tower is passed through the fixing sleeve and placed on the two brackets, two hydraulic cylinders push the two movable frames down, and the two movable frames press and fix the wind turbine tower on the two brackets, and the fixing sleeve is rotated using a grip rod, and the fixing sleeve drives the wind turbine tower to rotate and adjust the position. After adjusting to the appropriate position, the hand wheel is used to rotate the screw rod, and the screw rod pushes the limit frame to move toward the fixing sleeve, and the limit frame contacts the side of the fixing sleeve, and the fixing sleeve is fixed by the friction between the limit frame and the fixing sleeve.

[0008] Preferably, the front and rear sides of the fixing sleeve are connected. The wind turbine tower can pass through the fixing sleeve.

[0009] Preferably, a fixing frame is installed at the front side of the two hydraulic cylinders, and the bottoms of the two fixing frames are fixedly connected to the outer side of the fixing sleeve. The two fixing frames fix the two hydraulic cylinders to the fixing sleeve.

[0010] Preferably, a fixing plate is installed on the opposite side of the two brackets, and the two fixing plates are fixedly connected to the front and rear sides of the fixing sleeve. The two fixing plates fix the two brackets to the fixing sleeve.

[0011] Preferably, a gripping rod is installed in a circular array outside the fixing sleeve at the rear side of the support plate, and a distance is left between the gripping rod and the top of the bottom plate. The fixing sleeve can be rotated by the gripping rod, and when the fixing sleeve drives the gripping rod to rotate, it will not interfere with the bottom plate.

[0012] Preferably, a hand wheel is installed at one end of the screw rod away from the limiting frame, and the hand wheel is parallel to the connecting plate. The screw rod can be rotated by using the hand wheel.

[0013] Preferably, the bottom plate is provided with fixing holes in a rectangular array, and the fixing holes penetrate the upper and lower ends of the bottom plate. The bottom plate is fixed to the ground through the fixing holes of the bottom plate using tools such as bolts.

[0014] Preferably, the two movable frames correspond to the two brackets respectively. The wind turbine tower is placed on the two brackets, and the two movable frames are lowered to press and fix the wind turbine tower on the brackets.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a movable frame, a bracket and a fixing sleeve, and the wind turbine tower is put on the two brackets through the fixing sleeve. The two movable frames are lowered to press and fix the wind turbine tower on the two brackets. When the fixing sleeve is rotated by using a grip rod, the fixing sleeve can drive the wind turbine tower to rotate and adjust the position, thereby achieving the effect of fixing the wind turbine tower and driving the wind turbine tower to rotate and adjust the position at the same time, making it convenient for workers to assemble the wind turbine tower and reducing the difficulty of assembly operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from a third angle;

[0020] Figure 4 It is a schematic diagram of the connecting plate and the limiting frame structure of the utility model.

[0021] In the figure: 1. Base plate; 2. Bracket; 3. Support plate; 4. Movable frame; 5. Grip; 6. Hydraulic cylinder; 7. Bearing 1; 8. Fixed frame; 9. Connecting plate; 10. Handwheel; 11. Fixed sleeve; 12. Fixed hole; 13. Fixed plate; 14. Limiting frame; 15. Screw; 16. Screw hole; 17. Bearing 2. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Embodiment 1

[0027] like Figure 1-Figure 4 As shown, the utility model proposes a fixing device for a wind turbine tower, including a base plate 1 and a limiting frame 14, a support plate 3 is welded on the top of the base plate 1, a bearing 7 is embedded and installed on the support plate 3, a fixing sleeve 11 is fixedly installed on the inner ring of the bearing 7, hydraulic cylinders 6 are installed on the upper sides of the front and rear sides of the fixing sleeve 11, fixing frames 8 are installed on the front sides of the two hydraulic cylinders 6, the bottoms of the two fixing frames 8 are fixedly connected to the outside of the fixing sleeve 11, movable frames 4 are installed on the bottoms of the two hydraulic cylinders 6, brackets 2 are installed on the front and rear sides of the fixing sleeve 11 below the two movable frames 4, and fixing plates 13 are installed on the opposite sides of the two brackets 2. The two fixing plates 13 and The front and rear sides of the fixing sleeve 11 are fixedly connected, the two movable frames 4 correspond to the two brackets 2 respectively, the front and rear sides of the fixing sleeve 11 are connected, and the outer side of the fixing sleeve 11 on the rear side of the support plate 3 is installed with a grip rod 5 in a ring array, and a connecting plate 9 is welded to the front side of the support plate 3. The connecting plate 9 is provided with a screw hole 16, and the inner wall of the screw hole 16 is threadedly connected with a screw 15. A bearing 2 17 is installed on the side of the limit frame 14, and the screw 15 is fixedly connected to the inner ring of the bearing 2 17. A handwheel 10 is installed on the end of the screw 15 away from the limit frame 14, and the handwheel 10 is parallel to the connecting plate 9. The bottom plate 1 is installed with fixing holes 12 in a rectangular array, and the fixing holes 12 pass through the upper and lower ends of the bottom plate 1.

[0028] In this embodiment, the base plate 1 is fixed to the ground or the bearing structure through the fixing holes 12 of the base plate 1 using bolts and other tools, the wind turbine tower is passed through the fixing sleeve 11 and placed on the two brackets 2, the two brackets 2 provide support force for the wind turbine tower, the two hydraulic cylinders 6 push the two movable frames 4 to descend, the two movable frames 4 press and fix the wind turbine tower on the two brackets 2, the grip 5 is used to rotate the fixing sleeve 11, the fixing sleeve 11 drives the wind turbine tower to rotate and adjust the position, after adjusting to the appropriate position, the hand wheel 10 is used to rotate the screw 15, the screw 15 pushes the limit frame 14 to move toward the fixing sleeve 11, so that the limit frame 14 contacts the side of the fixing sleeve 11, and the fixing sleeve 11 is fixed by the friction between the limit frame 14 and the fixing sleeve 11, so as to prevent the fixing sleeve 11 from shaking during transportation or assembly.

[0029] Embodiment 2

[0030] like Figure 1-Figure 4 As shown, the utility model proposes a fixing device for a wind turbine tower. Compared with the first embodiment, this embodiment further includes: a bottom plate 1 and a gripping rod 5, and a distance is left between the gripping rod 5 and the top of the bottom plate 1.

[0031] In this embodiment, by leaving a distance between the handle 5 and the top of the bottom plate 1 , when the fixing sleeve 11 drives the handle 5 to rotate, the handle 5 will not interfere with the bottom plate 1 .

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fixing device for a wind turbine tower, comprising a base plate (1) and a limit frame (14), characterized in that: A support plate (3) is welded to the top of the bottom plate (1), a bearing 1 (7) is embedded in the support plate (3), a fixing sleeve (11) is fixedly installed on the inner ring of the bearing 1 (7), hydraulic cylinders (6) are installed above the front and rear sides of the fixing sleeve (11), movable frames (4) are installed at the bottom of the two hydraulic cylinders (6), and brackets (2) are installed on the front and rear sides of the fixing sleeves (11) below the two movable frames (4), a connecting plate (9) is welded to the front side of the support plate (3), a screw hole (16) is opened on the connecting plate (9), a screw rod (15) is threadedly connected to the inner wall of the screw hole (16), a bearing 2 (17) is installed on the side of the limiting frame (14), and the screw rod (15) is fixedly connected to the inner ring of the bearing 2 (17).

2. A wind turbine tower fixing device according to claim 1, characterized in that: The fixing sleeve (11) is connected at both the front and rear sides.

3. A wind turbine tower fixing device according to claim 1, characterized in that: A fixing frame (8) is installed on the front side of the two hydraulic cylinders (6), and the bottoms of the two fixing frames (8) are fixedly connected to the outside of the fixing sleeve (11).

4. A wind turbine tower fixing device according to claim 1, characterized in that: A fixing plate (13) is installed on one opposite side of the two brackets (2), and the two fixing plates (13) are fixedly connected to the front and rear sides of the fixing sleeve (11).

5. A wind turbine tower fixing device according to claim 1, characterized in that: The outside of the fixing sleeve (11) on the rear side of the support plate (3) is provided with gripping rods (5) in a circular array, and a distance is left between the gripping rods (5) and the top of the bottom plate (1).

6. A wind turbine tower fixing device according to claim 1, characterized in that: A hand wheel (10) is installed at one end of the screw rod (15) away from the limiting frame (14), and the hand wheel (10) is parallel to the connecting plate (9).

7. A wind turbine tower fixing device according to claim 1, characterized in that: The bottom plate (1) is provided with fixing holes (12) in a rectangular array, and the fixing holes (12) penetrate the upper and lower ends of the bottom plate (1).

8. A wind turbine tower fixing device according to claim 1, characterized in that: The two movable frames (4) correspond to the two brackets (2) respectively.

Images