Turnover frame for hoisting turnover equipment

Abstract

The utility model provides a roll-over stand for hoisting roll-over equipment, which comprises a main support and a hanger support, the main support is provided with a first end and a second end, the first end is hinged with the front end of a base frame, and the second end is hinged with the hanger support; the overturning frame has a first posture, a second posture and a third posture, when the overturning frame is in the first posture, the main support is vertically arranged, the hanging bracket support is perpendicular to the main support and extends towards the side away from the base frame, and the overturning frame is in a hoisting state; the overturning frame overturns towards the base frame, so that when the main support is horizontally arranged, the overturning frame is converted into a second posture; and when the hanging bracket support is folded to be parallel to the main bracket and extends towards one side far away from the main bracket, the turnover frame is switched to a third posture. According to the utility model, the switching of three postures of the turnover frame is matched with the base frame, the hanging bracket and the turnover driving piece, so that the lifting, fixed turnover and avoidance of the vertically arranged main crane are realized, and the hoisting, installation and fixation of the tower crane are quickly completed.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind power generation, and in particular relates to a turnover frame used for hoisting and turning equipment. Background Art

[0002] With the increasing installed capacity of wind turbines and the increasing service life of wind turbines, wind turbines need to have their components replaced, especially blades. A wind turbine includes a tower fixed to the ground, a nacelle installed on the top of the tower, a hub installed on the nacelle, and blades installed on the hub.

[0003] Because the blades are heavy and the tower is high, currently, large truck cranes are used to replace blades in general wind turbines, while crawler cranes are needed to replace blades for large-megawatt high-tower wind turbines, and outrigger boats are needed for offshore wind turbines. However, the use of large lifting equipment not only incurs high lifting costs, but is also subject to environmental conditions.

[0004] Therefore, a tower crane for a wind turbine is needed, and the tower crane itself needs to be hoisted onto the nacelle to complete installation and fixation before it can be used. Therefore, a hoisting and flipping equipment for the tower crane of the wind turbine is needed, and the flipping frame is an important component of the hoisting and flipping equipment. It is necessary to design a flipping frame for the hoisting and flipping equipment. Utility Model Content

[0005] The utility model provides a tipping frame for hoisting and tipping equipment, which realizes the lifting, fixing, tipping and avoiding of a vertically arranged main crane by switching three postures of the tipping frame in coordination with a base frame, a hanger and a tipping drive component, and quickly completes the hoisting and installation and fixation of the crane on the tower.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0007] A turning frame for hoisting turning equipment, comprising a main support and a hanger support, wherein the main support has a first end and a second end, the first end is hinged to the front end of a base frame, and the second end is hinged to the hanger support;

[0008] The flip frame has a first posture, a second posture and a third posture. When the flip frame is in the first posture, the main support is vertically arranged, the hanger support is vertically arranged with the main support and extends to a side away from the base frame, and the flip frame is in a hoistable state;

[0009] The flip frame flips toward the base frame so that when the main support is arranged horizontally, the flip frame is converted to a second posture;

[0010] When the hanger support is folded to be arranged parallel to the main support and extends to a side away from the main support, the flip frame is converted to a third posture.

[0011] Preferably, a hanger ear is provided on the hanger support, and when the flip frame is in the first posture, the hanger ear is located at the top of the hanger support at one end away from the main crane, and is used for installing a hanger to hoist the main crane.

[0012] Preferably, the hanger ear is provided with a first slot allowing the hanger to be inserted into or disengaged from the hanger; when the flip frame is in the first posture, the first slot is located at the top of the hanger ear, and under the action of external force, the hanger can be disengaged from the hanger ear from the first slot.

[0013] Preferably, a first docking piece is provided at the first end of the main bracket, a first hinge hole is provided at the end of the first docking piece close to the base frame, a first hinge pin is provided in the first hinge hole, a hinge ear is provided at the front end of the base frame, and the first docking piece is hinged by passing through the first hinge hole and the first hinge pin of the hinge ear; a first fixing hole is provided at the end of the first docking piece away from the base frame, a first fixing pin is provided in the first fixing hole; a second docking piece is provided near the second end of the main bracket, a second fixing hole is provided at the end of the second docking piece away from the base frame, a second fixing pin is provided in the second fixing hole; a fifth fixing hole is provided at the end of the second docking piece close to the base frame.

[0014] Preferably, the main crane is provided with a docking seat, and the docking seat is provided with a third fixing hole and a fourth fixing hole matching the first fixing hole and the second fixing hole. The docking seat is fixedly connected to the main bracket by the first fixing pin passing through the first fixing hole and the third fixing hole and the second fixing pin passing through the second fixing hole and the fourth fixing hole.

[0015] Preferably, a fixing ear is provided at the rear end of the base frame, a sixth fixing hole is provided on the fixing ear, a third fixing pin is provided in the sixth fixing hole, and when the flip frame is in the second posture, the main bracket and the base frame are fixed by passing through the fifth fixing hole and the third fixing pin in the sixth fixing hole.

[0016] Preferably, the main bracket is vertically extended to the side away from the base frame at the second end to form a connecting end, and when the flip frame is in the first posture or the second posture, one end of the hanger support abuts against the connecting end, so that the hanger support is vertically arranged with the main bracket and extends to the side away from the base frame.

[0017] Preferably, when the hanger support abuts against the connecting end, the hanger support and the connecting end are respectively provided with a first connecting member and a second connecting member on a side away from the first end, the first connecting member and the second connecting member are respectively provided with a second hinge hole and a third hinge hole, and the hanger support and the main bracket are hinged by a second hinge pin passing through the second hinge hole and the third hinge hole; the first connecting member and the second connecting member also have a seventh fixing hole and an eighth fixing hole, respectively, and when the hanger support is rotated and folded relative to the main bracket to be parallel to the main bracket, the seventh fixing hole and the eighth fixing hole are correspondingly provided, and the hanger support and the main bracket are fixed by a fourth fixing pin passing through the seventh fixing hole and the eighth fixing hole.

[0018] Preferably, when the hanger support abuts against the connecting end, the hanger support and the connecting end are respectively provided with a third connecting member and a fourth connecting member on one side close to the first end, the third connecting member and the fourth connecting member are respectively provided with a ninth fixing hole and a tenth fixing hole, and the hanger support and the main bracket are fixed by a fifth fixing pin passing through the ninth fixing hole and the tenth fixing hole.

[0019] Compared with the prior art, the technical solution of the embodiment of the utility model has beneficial effects.

[0020] The utility model provides a tipping frame for hoisting and tipping equipment, which realizes the lifting, fixing, tipping and avoiding of a vertically arranged main crane by switching the three postures of the tipping frame in coordination with a base frame, a hanger and a tipping drive component, and can quickly complete the hoisting and installation and fixation of the tower crane without using large-scale hoisting equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a turning frame used for hoisting and turning equipment in an embodiment of the utility model when it is installed in the hoisting and turning equipment and is in a first posture;

[0022] Figure 2 It is a structural schematic diagram of a turning frame used for hoisting and turning equipment in an embodiment of the utility model when it is installed in the hoisting and turning equipment and is in a second posture;

[0023] Figure 3 It is a structural schematic diagram of a turning frame used for hoisting and turning equipment in an embodiment of the utility model when it is installed in the hoisting and turning equipment and is in a third posture;

[0024] Figure 4 It is a structural schematic diagram of a turning frame used for hoisting and turning equipment in an embodiment of the utility model, which is installed in the hoisting and turning equipment to lift the main crane;

[0025] Figure 5It is a side view of a turning frame used for hoisting and turning equipment in an embodiment of the utility model installed on a main crane for hoisting the hoisting and turning equipment;

[0026] Figure 6 It is a side view of a turning frame used for hoisting and turning equipment in an embodiment of the utility model, which is installed in the hoisting and turning equipment and connected to a main crane;

[0027] Figure 7 It is a side view of a turning frame used for hoisting and turning equipment in an embodiment of the utility model installed in the hoisting and turning equipment to turn the main crane;

[0028] Figure 8 It is a side view of a turning frame used for hoisting and turning equipment in an embodiment of the utility model, which is installed in the hoisting and turning equipment to avoid the main crane.

[0029] Description of reference numerals:

[0030] 1. Tower; 2. Nacelle; 3. Main crane; 4. Base frame; 5. Turning frame; 6. Hanger; 7. Turning drive; 8. Wire rope;

[0031] 31. Hanger hook; 32. Docking seat;

[0032] 41. hinged ear; 42. fixed ear; 43. third fixing pin;

[0033] 51. Main bracket; 511. Connecting end; 512. Second connecting member; 513. Second hinge pin; 514. Fourth fixing pin; 515. Fourth connecting member; 516. Fifth fixing pin;

[0034] 52, hanger support; 521, hanger clamp; 522, first connecting piece; 523, third connecting piece;

[0035] 53, first docking member; 531, first hinge pin; 532, first fixing pin;

[0036] 54, second docking member; 541, second fixing pin; 542, fifth fixing hole;

[0037] 61. Pulley. DETAILED DESCRIPTION

[0038] In order to make the purpose, features and beneficial effects of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. It is understood that the specific embodiments described below are only used to explain the present invention, rather than to limit the present invention. In addition, the same or similar reference numerals may be used in the figures to refer to the same or similar elements in different embodiments, and the description of the same or similar elements in different embodiments and the description of the prior art elements, features, effects, etc. may be omitted.

[0039] Reference Figures 1 to 8 , an embodiment of the utility model provides a flip frame for hoisting flip equipment.

[0040] Specifically, the flip frame 5 includes a main support 51 and a hanger support 52. The main support 51 has a first end and a second end. The first end is hinged to the front end of the base frame 4, and the second end is hinged to the hanger support 52.

[0041] The turning frame 5 has a first posture, a second posture and a third posture. When the turning frame 5 is in the first posture, the turning driving member 7 is extended, the main bracket 51 is vertically arranged, the hanger support 52 is vertically arranged with the main bracket 51 and extends to a side away from the base frame 4, and a hanger clamp 521 is arranged on the hanger support 52, and the turning frame 5 is in a hoistable state;

[0042] The flip frame 5 flips toward the base frame 4, so that when the main support 51 flips to a horizontal position, the flip frame 5 switches to a second posture;

[0043] When the hanger support 52 is folded to be arranged parallel to the main support 51 and extends to a side away from the main support 51, the turning frame 5 is converted to the third posture.

[0044] In a specific implementation, the wind turbine generator set includes a tower 1 fixed to the ground and a nacelle 2 installed on the top of the tower 1. The hoisting and flipping equipment is arranged on the nacelle 2 for hoisting and fixing the flipping main crane 3. The hoisting and flipping equipment includes a base frame 4, a flip frame 5, a hanger 6, a flip driving member 7, a wire rope 8 and a power unit (not shown). The base frame 4 is fixed to the nacelle 2. The flip driving member 7 connects the main support 51 with the base frame 4 and drives the flip frame 5 to flip.

[0045] When the flip frame 5 is in the first posture, the hanger 6 is set in the hanger clamp ear 521, and a pulley 61 is set on the hanger 6. One end of the wire rope 8 is fixed to the boom of the vertically arranged main crane 3, and the other end passes through the pulley 61 and is connected to the power unit set on the ground. The power unit tightens the wire rope 8 to lift the main crane 3 to a position at the same height as the main support 51, and the main crane 3 is fixedly connected to the main support 51;

[0046] The turning drive member 7 retracts, driving the turning frame 5 to turn toward the base frame 4, and the turning frame 5 switches to the second posture; at this time, the main crane 3 turns to a horizontal position;

[0047] The turning frame 5 is converted to the third posture, and the hanger support 52 avoids the rotation path of the main crane 3, allowing the main crane 3 to rotate and work.

[0048] In some embodiments, the turning driving member 7 is a hydraulic cylinder.

[0049] In some embodiments, the power unit is a winch or a winch.

[0050] In some embodiments, a hanger hook 31 is provided on the top of the vertically arranged main crane 3. After the main crane 3 is fixed to the main support 51, before the turning frame 5 is converted to the third posture, the hanger 6 is separated from the hanger ear 521 and fixed in the hanger hook 31, thereby realizing the separation of the hanger 6 and the pulley 61 and wire rope 8 connected to it from the turning frame 5, and the operation is simple and convenient.

[0051] In some embodiments, the hanger ear 521 is provided with a first latch that allows the hanger 6 to be inserted into or disengaged; when the flip frame 5 is in the first posture, the first latch is located at the top of the hanger ear 521, and under the action of external force, the hanger 6 can be disengaged from the hanger ear 521 from the first latch.

[0052] In some embodiments, the hanger hook 31 is provided with a second slot that allows the hanger 6 to be engaged or disengaged; when the main crane 3 is vertically arranged, the second slot is located diagonally above the hanger hook 31 and away from the side of the main bracket 51, and under the action of external force, the hanger 6 can be engaged with the hanger hook 31 from the second slot; when the main crane 3 is flipped to a horizontal setting, the second slot is still located diagonally above the hanger hook 31, and the hanger hook 31 prevents the hanger 6 from disengaging.

[0053] In some embodiments, a first docking piece 53 is provided at the first end of the main bracket 51, a first hinge hole is provided at the end of the first docking piece 53 close to the base frame 4, a first hinge pin 531 is provided in the first hinge hole, a hinge ear 41 is provided at the front end of the base frame 4, and the first docking piece 53 is hinged by the first hinge pin 531 passing through the first hinge hole and the hinge ear 41; a first fixing hole is provided at the end of the first docking piece 53 away from the base frame 4, a first fixing pin 532 is provided in the first fixing hole; a second docking piece 54 is provided near the second end of the main bracket 51, a second fixing hole is provided at the end of the second docking piece 54 away from the base frame 4, a second fixing pin 541 is provided in the second fixing hole; a fifth fixing hole 542 is provided at the end of the second docking piece 54 close to the base frame 4.

[0054] In some embodiments, the main crane 3 is provided with a docking seat 32, and the docking seat 32 is provided with a third fixing hole and a fourth fixing hole matching the first fixing hole and the second fixing hole. The docking seat 32 is fixedly connected to the main bracket 51 by a first fixing pin 532 passing through the first fixing hole and the third fixing hole and a second fixing pin 541 passing through the second fixing hole and the fourth fixing hole.

[0055] In some embodiments, a fixing ear 42 is provided at the rear end of the base frame 4, a sixth fixing hole is provided on the fixing ear 42, a third fixing pin 43 is provided in the sixth fixing hole, and when the flip frame 5 is in the second posture, the main bracket 51 is fixed to the base frame 4 by passing through the fifth fixing hole 542 and the third fixing pin 43 in the sixth fixing hole.

[0056] In some embodiments, the main bracket 51 extends vertically at the second end toward the side away from the base frame 4 to form a connecting end 511. When the flip frame 5 is in the first posture or the second posture, one end of the hanger support 52 abuts against the connecting end 511, so that the hanger support 52 is vertically arranged with the main bracket 51 and extends toward the side away from the base frame 4.

[0057] In some embodiments, when the hanger support 52 abuts against the connecting end 511, the hanger support 52 and the connecting end 511 are respectively provided with a first connecting member 522 and a second connecting member 512 on the side away from the first end, and the first connecting member 522 and the second connecting member 512 are respectively provided with a second hinge hole and a third hinge hole, and the hanger support 52 and the main support 51 are hinged by a second hinge pin 513 passing through the second hinge hole and the third hinge hole; the first connecting member 522 and the second connecting member 512 also have a seventh fixing hole and an eighth fixing hole, respectively. When the hanger support 52 is rotated and folded relative to the main support 51 to be parallel to the main support 51, the seventh fixing hole and the eighth fixing hole are correspondingly provided, and the hanger support 52 and the main support 51 are fixed by a fourth fixing pin 514 passing through the seventh fixing hole and the eighth fixing hole.

[0058] In some embodiments, when the hanger support 52 abuts against the connecting end 511, the hanger support 52 and the connecting end 511 are respectively provided with a third connecting member 523 and a fourth connecting member 515 on one side close to the first end, the third connecting member 523 and the fourth connecting member 515 are respectively provided with a ninth fixing hole and a tenth fixing hole, and the hanger support 52 and the main bracket 51 are fixed by a fifth fixing pin 516 passing through the ninth fixing hole and the tenth fixing hole.

[0059] In summary, the turning frame for hoisting and turning equipment provided by the utility model can realize the lifting, fixing, turning and avoiding of the vertically arranged main crane 3 by switching the three postures of the turning frame 5 in coordination with the base frame 4, the hanger 6 and the turning drive 7, and can quickly complete the hoisting and installation of the tower crane 3 without using large-scale hoisting equipment.

[0060] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even when only a single embodiment is described with respect to specific features. The feature examples provided in the present disclosure are intended to be illustrative rather than limiting, unless otherwise stated. In specific implementations, the technical features of one or more dependent claims may be combined with the technical features of the independent claim, based on actual needs and where technically feasible, and may be derived from the technical features of the corresponding independent claim in any appropriate manner rather than simply through the specific combination listed in the claims.

Claims

1. A turning frame for hoisting turning equipment, characterized in that: It comprises a main support and a hanger support, the main support has a first end and a second end, the first end is hinged to the front end of the base frame, and the second end is hinged to the hanger support; The flip frame has a first posture, a second posture and a third posture. When the flip frame is in the first posture, the main support is vertically arranged, the hanger support is vertically arranged with the main support and extends to a side away from the base frame, and the flip frame is in a hoistable state; The flip frame flips toward the base frame so that when the main support is arranged horizontally, the flip frame is converted to a second posture; When the hanger support is folded to be arranged parallel to the main support and extends to a side away from the main support, the flip frame is converted to a third posture.

2. The turning frame for hoisting turning equipment according to claim 1, characterized in that: The hanger support is provided with a hanger ear. When the flip frame is in the first posture, the hanger ear is located at the top of the hanger support at one end away from the main bracket, and is used to install the hanger to hoist the main crane.

3. The turning frame for hoisting turning equipment according to claim 2, characterized in that: The hanger ear is provided with a first slot that allows the hanger to be inserted into or disengaged from; when the flip frame is in a first posture, the first slot is located at the top of the hanger ear, and under the action of external force, the hanger can be disengaged from the hanger ear from the first slot.

4. The turning frame for hoisting turning equipment according to claim 1, characterized in that: A first docking piece is provided at the first end of the main bracket, a first hinge hole is provided at the end of the first docking piece close to the base frame, a first hinge pin is provided in the first hinge hole, a hinge ear is provided at the front end of the base frame, and the first docking piece is hinged by the first hinge pin passing through the first hinge hole and the hinge ear; a first fixing hole is provided at the end of the first docking piece away from the base frame, a first fixing pin is provided in the first fixing hole; a second docking piece is provided near the second end of the main bracket, a second fixing hole is provided at the end of the second docking piece away from the base frame, a second fixing pin is provided in the second fixing hole; a fifth fixing hole is provided at the end of the second docking piece close to the base frame.

5. The turning frame for hoisting turning equipment according to claim 4, characterized in that: The main crane is provided with a docking seat, which is provided with a third fixing hole and a fourth fixing hole matching the first fixing hole and the second fixing hole. The docking seat is fixedly connected to the main bracket by the first fixing pin passing through the first fixing hole and the third fixing hole and the second fixing pin passing through the second fixing hole and the fourth fixing hole.

6. The turning frame for hoisting turning equipment according to claim 4, characterized in that: A fixing ear is provided at the rear end of the base frame, a sixth fixing hole is provided on the fixing ear, a third fixing pin is provided in the sixth fixing hole, and when the flip frame is in the second posture, the main bracket and the base frame are fixed by passing through the fifth fixing hole and the third fixing pin in the sixth fixing hole.

7. The turning frame for hoisting turning equipment according to claim 1, characterized in that: The main bracket extends vertically at the second end to a side away from the base frame to form a connecting end. When the flip frame is in the first posture or the second posture, one end of the hanger support abuts against the connecting end, so that the hanger support is vertically arranged with the main bracket and extends to a side away from the base frame.

8. The turning frame for hoisting turning equipment according to claim 7, characterized in that: When the hanger support is abutted against the connecting end, the hanger support and the connecting end are respectively provided with a first connecting member and a second connecting member on a side away from the first end, the first connecting member and the second connecting member are respectively provided with a second hinge hole and a third hinge hole, and the hanger support and the main bracket are hinged by a second hinge pin passing through the second hinge hole and the third hinge hole; the first connecting member and the second connecting member also have a seventh fixing hole and an eighth fixing hole, respectively, and when the hanger support is rotated and folded relative to the main bracket to be parallel to the main bracket, the seventh fixing hole and the eighth fixing hole are correspondingly provided, and the hanger support and the main bracket are fixed by a fourth fixing pin passing through the seventh fixing hole and the eighth fixing hole.

9. The turning frame for hoisting turning equipment according to claim 8, characterized in that: When the hanger support is abutted against the connecting end, the hanger support and the connecting end are respectively provided with a third connecting member and a fourth connecting member on one side close to the first end, the third connecting member and the fourth connecting member are respectively provided with a ninth fixing hole and a tenth fixing hole, and the hanger support and the main bracket are fixed by a fifth fixing pin passing through the ninth fixing hole and the tenth fixing hole.

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