Horizontal lifting appliance capable of adapting to tower drums with different lengths

Abstract

The utility model discloses a horizontal lifting appliance capable of adapting to tower drums with different lengths, and belongs to the technical field of wind power equipment production. Comprising a lifting beam, two hooks at the bottom of the lifting beam and a lifting lug at the top of the lifting beam, the number of the lifting lugs is two, and the two lifting lugs are arranged side by side in the direction where the lifting beam is located. The two hooks are respectively a fixed hook and a movable hook, the fixed hook is fixed at one end of the hanging beam, the movable hook can slide along the direction of the hanging beam, a rack driving mechanism is arranged between the movable hook and the hanging beam, the rack driving mechanism comprises a rack and a driving motor, and the rack is arranged on the side wall of the hanging beam and is arranged along the direction of the hanging beam; the driving motor is vertically arranged on the corresponding side of the movable hook, and a gear at the upper end of a driving shaft of the driving motor is meshed with the rack. The movable hook can automatically move on the hanging beam and can adapt to tower drums with different lengths.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind power equipment production, and particularly relates to a horizontal hanger capable of adapting to towers of different lengths. Background Art

[0002] The wind tower is a key equipment in a wind turbine. It is usually welded together with multiple sections of cylinders and flanges are welded at both ends to form a semi-finished cylinder section. After the cylinder sections are welded together, they are sandblasted, painted, and equipped with related auxiliary parts to form a finished cylinder section. The cylinder section is heavy, usually several tons. It is necessary to use a gantry crane or other lifting equipment to transfer it, and then a hoist is needed to hoist the tower horizontally. The existing horizontal hoist includes a hanging beam, two hooks at the bottom of the hanging beam, and a lifting ear at the top of the hanging beam. For example, the patent with application number CN201120511314.X discloses a horizontal pipe hoist with an automatic hook, including a horizontal hoist flat beam, a hook is provided on the horizontal hoist flat beam, the upper end of the hook is connected to the horizontal hoist flat beam through a cylinder, and the hook is set at the end of the horizontal hoist flat beam. The bottom of the hook is a plane.

[0003] When the applicant used the existing hoist to hoist the tower, he found the following problems: the length of the tube section is usually between a few meters and three meters according to the design requirements. The existing hoist is not very versatile and can usually only hoist a small number of specifications of tube sections. The hoist needs to be replaced frequently, which is time-consuming and labor-intensive. Utility Model Content

[0004] In order to solve the above problems, the embodiment of the utility model provides a horizontal hoist that can adapt to towers of different lengths, and can adapt to the hoisting of towers of different lengths, with high adaptability. At the same time, the position of the movable hook can be automatically adjusted, and the adjustment is convenient and the control is simple. The technical solution is as follows:

[0005] An embodiment of the utility model provides a horizontal hanger that can adapt to towers of different lengths, including a hanging beam 1, two hooks at the bottom of the hanging beam 1 and a lifting ear 3 at the top of the hanging beam 1; the number of the lifting ears 3 is two, and the two lifting ears 3 are arranged side by side in the direction of the hanging beam 1; the two hooks are respectively a fixed hook 4 and a movable hook 5, the fixed hook 4 is fixed at one end of the hanging beam 1, the movable hook 5 can slide in the direction of the hanging beam 1 and a rack driving mechanism is provided between the fixed hook 4 and the hanging beam 1, the rack driving mechanism includes a rack 6 and a driving motor 7, the rack 6 is arranged on the side wall of the hanging beam 1 and is arranged in the direction of the hanging beam 1; the driving motor 7 is vertically arranged on the corresponding side of the movable hook 5, and the gear 8 at the upper end of its driving shaft is meshed with the rack 6.

[0006] Furthermore, upper wing plates 9 are provided on both sides of the bottom of the suspension beam 1 in the embodiment of the utility model, and the upper wing plates 9 are arranged along the direction where the suspension beam 1 is located; lower wing plates 10 are provided on both sides of the top of the movable hook 5; the lower wing plates 10 are parallel to the upper wing plates 9, and extend toward the upper wing plates 9 on the corresponding side, and a plurality of pulley seats 11 are provided on the upper side and on the outer side of the upper wing plates 9; the plurality of pulley seats 11 are arranged side by side in the direction where the suspension beam 1 is located and a pulley 12 is provided on the inner side thereof; the pulley 12 is arranged perpendicular to the upper wing plate 9, and is located on the adjacent outer side of the suspension beam 1, and is rollingly arranged on the upper side of the upper wing plate 9, and is located below the rack 6.

[0007] Specifically, two pulley seats 11 are provided on the lower wing plate 10 in the embodiment of the utility model, the drive motor 7 is located between the two pulley seats 11, and the four pulleys 12 on the two lower wing plates 10 are arranged in a rectangular shape.

[0008] Preferably, the two pulley seats 11 in the embodiment of the utility model are symmetrically arranged with respect to the axis of the driving motor 7 .

[0009] Among them, the driving motor 7 in the embodiment of the utility model includes a servo motor 71 and a reducer 72; the servo motor 71 is vertically arranged, fixed on the side wall of the movable hook 5, located below the lower wing plate 10, and its driving shaft passes through the lower wing plate 10 upward; the reducer 72 is vertically arranged, fixed on the upper side of the lower wing plate 10, located adjacent to the outer side of the upper wing plate 9, and is transmission-connected to the servo motor 71, and located between the two pulley seats 11; the gear 8 is coaxially arranged at the upper end of the driving shaft of the reducer 72.

[0010] Specifically, the suspension beam 1 in the embodiment of the utility model is a square tube structure, and the two ends of the lower side thereof extend outward relative to the side plates on the corresponding sides to form upper wing plates 9.

[0011] Among them, the two hooks in the embodiment of the utility model are arranged opposite to each other; the hook is an L-shaped structure, which includes a vertical arm arranged vertically and a horizontal arm arranged horizontally; the upper end of the vertical arm is fixed to one end of the suspension beam 1 or is located adjacent to and below the suspension beam 1, and the horizontal arm is arranged on the inner side of the lower end of the vertical arm and is parallel to the suspension beam 1, and the inner side of the vertical arm and the upper side of the horizontal arm are both provided with anti-collision rubber pads 14; the servo motor 71 is fixed on the vertical arm.

[0012] Furthermore, the rack 6 in the embodiment of the utility model is arranged at the other end of the hanging beam 1, and a limit block 13 is fixedly provided at the bottom of the other end of the hanging beam 1 to prevent the movable hook 5 from sliding out.

[0013] Specifically, one of the lifting ears 3 in the embodiment of the utility model is located at the middle of the top of the hanging beam 1 ; the other lifting ear 3 is located on one side of the lifting ear 3 close to the fixing hook 4 .

[0014] Specifically, the distance between the two hooks in the embodiment of the utility model is 1.8-3.1m.

[0015] The technical solution provided by the embodiment of the utility model has the following beneficial effects: the embodiment of the utility model provides a horizontal hoist that can adapt to towers of different lengths, can adapt to the hoisting of towers of different lengths, and has high adaptability. At the same time, the position of the movable hook can be automatically adjusted, and the adjustment is convenient and the control is simple. In addition, one hook of the patent is fixedly set, and the other hook is horizontally movable (through four pulleys), the structure is stable, there is no rotating structure, the tower can be stably hoisted, and the safety of the site is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a diagram of the use state of the horizontal hoisting device capable of adapting to towers of different lengths in the embodiment of the utility model when hoisting a long tower;

[0017] Figure 2 This is a diagram of the use state of the horizontal hoisting device capable of adapting to towers of different lengths in the embodiment of the utility model when hoisting a short tower;

[0018] Figure 3 It is a top view of a horizontal hanger that can adapt to towers of different lengths in an embodiment of the utility model;

[0019] Figure 4 yes Figure 1 A partial enlarged view of

[0020] Figure 5 It is a structural diagram of the combination of the hanging beam, the hanging lug and the upper wing plate.

[0021] In the figure: 1 hanging beam, 2 tower, 3 lifting lug, 4 fixed hook, 5 movable hook, 6 rack, 7 driving motor, 8 gear, 9 upper wing plate, 10 lower wing plate, 11 pulley seat, 12 pulley seat, 13 limit block, 14 anti-collision rubber pad;

[0022] 71 servo motor, 72 reducer. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0024] Example 1

[0025] See also Figure 1-5Embodiment 1 provides a horizontal hanger that can adapt to towers of different lengths, including a hanger beam 1, two hooks, two lifting ears 3, and a rack drive mechanism. The hanger beam 1 is arranged horizontally in the front-to-back direction. The two lifting ears 3 are arranged side by side in the front-to-back direction and are both arranged at the top of the hanger beam 1. Specifically, the lifting ears 3 are arranged in the front-to-back direction, and the upper edges thereof are provided with hanging holes in the left-right direction (connected with the lifting equipment through a sling). More specifically, one of the lifting ears 3 is located in the middle position of the top of the hanger beam 1; the other lifting ear 3 is located on the side of one lifting ear 3 close to the fixed hook 4 (located in the front part of the hanger beam 1). In this patent, since the position of the movable hook 5 can be adjusted, the center of gravity of the entire hanger will be adjusted accordingly. This patent is provided with two lifting ears 3, which basically ensures that the hanger can be level. The two hooks are a fixed hook 4 and a movable hook 5. The fixed hook 4 is fixed at the front end of the hanger beam 1. The movable hook 5 is located at the adjacent lower part of the rear part of the hanger beam 1, and can slide along the hanger beam 1 in the front-to-back direction. A rack drive mechanism is provided between it and the hanger beam 1. Furthermore, the fixed hook 4 and the hanger beam 1 are processed as one piece. The rack drive mechanism is used to drive the movable hook 5 to move forward and backward. The rack drive mechanism includes a rack 6 and a drive motor 7. The rack 6 is arranged on the side wall (left or right) of the hanging beam 1 and is arranged in the forward and backward direction. The drive motor 7 is vertically arranged on the corresponding side (left or right) of the movable hook 5, and the gear 8 on the upper end of its drive shaft is meshed with the rack 6 (specifically the outer side). Specifically, the rack 6 is arranged on the left side of the hanging beam 1, and the drive motor 7 is arranged on the left side of the movable hook 5.

[0026] The tower is hoisted on the horizontal hoist along the front-back direction, and its front and rear ends are hoisted on the horizontal arm of the fixed hook 4 and the horizontal arm of the movable hook 5 respectively.

[0027] Further, see Figure 1-5, upper wing plates 9 are provided on both sides of the bottom of the hanging beam 1 in the embodiment of the utility model. The upper wing plates 9 are arranged in the front-back direction, are arranged horizontally, and are perpendicular to the hanging beam 1. Specifically, the hanging beam 1 is a square tube structure to reduce weight, and the left and right ends of its lower side extend outward relative to the side plates of the corresponding side (left and right sides) to form the upper wing plates 9. Lower wing plates 10 are provided on both sides of the top of the movable hook 5. The lower wing plates 10 are parallel to the upper wing plates 9, are arranged in the front-back direction, are arranged horizontally, are located adjacent to the lower side of the upper wing plates 9, extend toward the upper wing plates 9 on the corresponding side, and are provided with two pulley seats 11 on the upper side and on the outer side (specifically adjacent to the outer side) of the upper wing plates 9. The two pulley seats 11 are arranged side by side in front and back and a pulley 12 is provided inside thereof; specifically, two pulley seats 11 are provided on the lower wing plates 10 in the embodiment of the utility model, the drive motor 7 is located between the two pulley seats 11, and the four pulleys 12 on the two lower wing plates 10 are arranged in a rectangular shape. Preferably, the two pulley seats 11 are symmetrically arranged front and back with respect to the axis of the driving motor 7. The pulley 12 is arranged perpendicular to the upper wing plate 9, arranged in the left and right directions, located adjacent to the outer side of the hanging beam 1, and rollingly arranged on the upper side of the upper wing plate 9, and located below the rack 6.

[0028] Among them, see Figure 4 The driving motor 7 in the embodiment of the utility model includes a servo motor 71 and a reducer 72, etc. The servo motor 71 is vertically arranged, fixed on the side wall (left or right) of the movable hook 5, located below the lower wing plate 10, and its driving shaft passes through the lower wing plate 10 upward (a notch or through hole is provided on the lower wing plate 10 for the driving shaft to pass through). The reducer 72 is vertically arranged, fixed on the upper side of the lower wing plate 10, located on the adjacent outer side of the upper wing plate 9, and is connected to the servo motor 71 in transmission, and is located between the two pulley seats 11. The gear 8 is coaxially arranged on the upper end of the driving shaft of the reducer 72, and is vertically arranged.

[0029] Among them, see Figure 1-4 , the two hooks in the embodiment of the utility model are arranged opposite to each other. The hook is an L-shaped structure, which includes a vertical arm arranged vertically and a horizontal arm arranged horizontally. The upper end of the vertical arm of the fixed hook 4 is fixed to the front end of the hanging beam 1, and the upper end of the vertical arm of the movable hook 5 is located adjacent to and below the hanging beam 1. The horizontal arm is arranged on the inner side of the lower end of the vertical arm, which is parallel to the hanging beam 1 and is arranged in the front-to-back direction. Anti-collision rubber pads 14 are provided on the inner side of the vertical arm and the upper side of the horizontal arm to avoid direct contact with the tower 2. The servo motor 71 is fixed on the left or right side of the vertical arm.

[0030] Further, see Figure 1-2 The rack 6 in the embodiment of the utility model is arranged at the rear end of the hanging beam 1, and a limit block 13 is fixedly arranged at the bottom of the rear end of the hanging beam 1 to prevent the movable hook 5 from sliding out. The limit block 13 is arranged in the left and right directions, and it is limited by blocking.

[0031] Example 2

[0032] See also Figure 1-5 , Embodiment 2 provides a horizontal hoist that can adapt to towers of different lengths, and its structure is basically the same as that of Embodiment 1, except that: the distance between the two hooks (the distance between the inner ends of the horizontal arms) in the embodiment of the utility model is 1.8-3.1m, so as to adapt to the hoisting of towers of basically all specifications. Specifically, when the movable hook 5 is against the limit block 13, the distance between the two hooks is 3.1m; when the gear 8 is at the front end of the rack 6, the distance between the two hooks is 1.8m.

[0033] Example 3

[0034] Embodiment 3 provides a horizontal hanger that can adapt to towers of different lengths. Its structure is basically the same as that of Embodiment 1, except that: the width of the hanger beam 1 in the embodiment of the utility model is 100 mm, its height is 200 mm, and its length is 4700 mm. The width of the upper wing plate 9 is 25 mm, and its thickness is 20 mm. The thickness of the lifting lug 3 is 20 mm.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A horizontal hanger capable of adapting to towers of different lengths, comprising a hanger beam (1), two hooks at the bottom of the hanger beam (1) and a hanger ear (3) at the top of the hanger beam (1); characterized in that: The number of the lifting ears (3) is two, and the two lifting ears (3) are arranged side by side in the direction where the hanging beam (1) is located; the two hooks are respectively a fixed hook (4) and a movable hook (5), the fixed hook (4) is fixed to one end of the hanging beam (1), the movable hook (5) can slide in the direction where the hanging beam (1) is located, and a rack driving mechanism is provided between the movable hook (5) and the hanging beam (1), the rack driving mechanism comprises a rack (6) and a driving motor (7), the rack (6) is provided on the side wall of the hanging beam (1) and is provided in the direction where the hanging beam (1) is located; the driving motor (7) is vertically arranged on the corresponding side of the movable hook (5), and the gear (8) at the upper end of its driving shaft is meshed with the rack (6).

2. The horizontal hanger capable of adapting to towers of different lengths according to claim 1 is characterized in that: Upper wing plates (9) are provided on both sides of the bottom of the hanging beam (1), and the upper wing plates (9) are arranged along the direction where the hanging beam (1) is located; lower wing plates (10) are provided on both sides of the top of the movable hook (5); the lower wing plates (10) are parallel to the upper wing plates (9), and extend toward the upper wing plates (9) on the corresponding side, and a plurality of pulley seats (11) are provided on the upper side and on the outer side of the upper wing plates (9); the plurality of pulley seats (11) are arranged side by side in the direction where the hanging beam (1) is located, and a pulley (12) is provided on the inner side thereof; the pulley (12) is arranged perpendicular to the upper wing plate (9), and is located on the adjacent outer side of the hanging beam (1), and is rollingly arranged on the upper side of the upper wing plate (9), and is located below the rack (6).

3. The horizontal hanger capable of adapting to towers of different lengths according to claim 2 is characterized in that: Two pulley seats (11) are provided on the lower wing plate (10), the drive motor (7) is located between the two pulley seats (11), and the four pulleys (12) on the two lower wing plates (10) are arranged in a rectangular shape.

4. The horizontal hanger capable of adapting to towers of different lengths according to claim 3 is characterized in that: The two pulley seats (11) are symmetrically arranged with respect to the axis of the driving motor (7).

5. The horizontal hanger capable of adapting to towers of different lengths according to claim 3 is characterized in that: The driving motor (7) comprises a servo motor (71) and a reducer (72); the servo motor (71) is arranged vertically, fixed on the side wall of the movable hook (5), located below the lower wing plate (10), and its driving shaft passes through the lower wing plate (10) upward; the reducer (72) is arranged vertically, fixed on the upper side of the lower wing plate (10), located adjacent to the outer side of the upper wing plate (9), connected to the servo motor (71) in transmission, and located between the two pulley seats (11); the gear (8) is coaxially arranged on the upper end of the driving shaft of the reducer (72).

6. The horizontal hanger capable of adapting to towers of different lengths according to claim 2 is characterized in that: The suspension beam (1) is a square tube structure, and the two ends of the lower side thereof extend outward relative to the side plates on the corresponding sides to form upper wing plates (9).

7. The horizontal hanger capable of adapting to towers of different lengths according to claim 5, characterized in that: The two hooks are arranged opposite to each other; the hook is an L-shaped structure, which includes a vertical arm arranged vertically and a horizontal arm arranged horizontally; the upper end of the vertical arm is fixed to one end of the suspension beam (1) or is located adjacent to and below the suspension beam (1), and the horizontal arm is arranged on the inner side of the lower end of the vertical arm and is parallel to the suspension beam (1), and the inner side of the vertical arm and the upper side of the horizontal arm are both provided with anti-collision rubber pads (14); the servo motor (71) is fixed on the vertical arm.

8. The horizontal hanger capable of adapting to towers of different lengths according to claim 1, characterized in that: The rack (6) is arranged at the other end of the suspension beam (1), and a limiting block (13) is fixedly provided at the bottom of the other end of the suspension beam (1) to prevent the movable hook (5) from sliding out.

9. The horizontal hanger capable of adapting to towers of different lengths according to claim 1, characterized in that: One of the lifting ears (3) is located at the middle of the top of the hanging beam (1); the other lifting ear (3) is located on one side of the lifting ear (3) close to the fixing hook (4).

10. The horizontal hanger capable of adapting to towers of different lengths according to claim 1, characterized in that: The distance between the two hooks is 1.8-3.1m.

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