CN211971492U

CN211971492U - Special lifting appliance for lifting wind generating set

Info

Publication number: CN211971492U
Application number: CN202020169089.5U
Authority: CN
Inventors: 艾爱国; 冯晓; 闫清江; 邓向超; 陈鹏; 王翼
Original assignee: China Energy Engineering Group Northwest Power Construction Engineering Co ltd
Current assignee: China Energy Engineering Group Northwest Power Construction Engineering Co ltd
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-11-20
Anticipated expiration: 2030-02-13

Abstract

The utility model relates to a wind generating set hoists special lifting device, be in including girder and symmetry setting the auxiliary girder at girder both ends, the auxiliary girder is connected the below of girder, the symmetry is provided with a plurality of booms, every on the girder the below symmetry of auxiliary girder is provided with a plurality of lower booms, the utility model discloses the effect that can be applicable to not equidimension cabin hoist and mount has.

Description

Special lifting appliance for lifting wind generating set

Technical Field

The utility model belongs to the technical field of the technique of fan installation hoist and specifically relates to a wind generating set hoists special lifting device is related to.

Background

The wind generating set is high in height, the tower barrel, the engine room, the hub and the blades are hoisted in the installation process, a crane is inevitably needed in the hoisting process, the engine room of the wind generating set is generally close to a rectangular shape, the engine room must be ensured to be in a horizontal state in the hoisting process, the engine room can be accurately sleeved with the top of the tower barrel when the engine room is rotatably connected with the top of the tower barrel, and the hanger is generally connected with the engine room through a hanging strip.

Chinese patent with an authorization publication number of CN204778279U discloses a special lifting appliance for lifting a fan engine room and a lifting structure, which comprises a balance beam and a shackle, wherein the balance beam is a trapezoidal frame formed by welding four section steels, four corners of the balance beam are provided with a pair of lifting rings, and the lifting rings are connected with the shackle through metal pins. When the technical scheme is used, each lifting ring is connected with the lifting point of the cabin through the lifting belt, the upper part of each lifting ring is connected with the main lifting mechanical lifting hook through the lifting belt, the balance beam supports the cabin as rigid support, the lifting rings can go deep into the cabin for flexibility, and therefore the device can adapt to the characteristics of the lifting point in the cabin, can effectively protect the cabin and prevent the collision in the lifting process.

The above prior art solutions have the following drawbacks: the hoist is the effective combination of flexibility and rigidity for rings can stretch into the cabin, place the cabin and rock at the hoist and mount in-process, avoid the cabin to take place to collide with, but its hoist and mount that is applicable to the cabin of a specification.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wind generating set hoist and mount special lifting device that applicable in hoist and mount of not equidimension cabin exists to prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a wind generating set hoists special lifting device, includes that girder and symmetry set up the auxiliary girder at girder both ends, the auxiliary girder is connected the below of girder, the symmetry is provided with a plurality of jibs on the girder, every the below symmetry of auxiliary girder is provided with a plurality of lower jibs.

Through adopting above-mentioned technical scheme, when the device used, it passes through the suspender and is connected with the loop wheel machine to go up the jib, lower jib passes through the suspender and is connected with the cabin, because set up a plurality of last jibs on the girder, set up a plurality of lower jibs on every auxiliary material, need select suitable last jib and lower jib according to the focus in cabin before the cabin lifts by crane for the cabin can be in the horizontality after being lifted by the lift, a plurality of last jibs make the device can be applicable to the cabin that the focus is different with a plurality of lower jibs, the suitability of the device has been improved.

The present invention may be further configured in a preferred embodiment as: and a plurality of groups of hinged plates are fixedly arranged on the auxiliary beam, the lower suspension rods are arranged in one-to-one correspondence with the plurality of groups of hinged plates, and the lower suspension rods are fixedly arranged among the hinged plates of each group.

By adopting the technical scheme, when the hanging strip is connected with the lower hanging rod, the hanging strip penetrates through the gap surrounded by the lower hanging rod, the hinged plate and the bottom wall of the auxiliary beam, so that the hanging strip is limited in the gap, the hanging strip cannot be separated from the gap in the hoisting process of the cabin, and the reliability of the device is improved.

The present invention may be further configured in a preferred embodiment as: the main beam corresponds the upper suspender is articulated with a bumper bar, the bumper bar is located under the upper suspender, a resetting device is arranged between the bumper bar and the main beam, the upper suspender is far away from one end of the main beam, a safety disc is fixedly arranged at one end of the main beam, and the bumper bar is far away from one end of the main beam, and the safety disc is close to one side of the main beam.

Through adopting above-mentioned technical scheme, the suspender is when being connected with last jib, press down the bumper and make the bumper rotate around its pin joint with the girder towards last jib, the bumper is with bumper butt rupture disc one end and rupture disc separation after taking place the incline, can put into the suspender between bumper and last jib this moment, then make and remove the pressing to the bumper, make the bumper deviate from the jib and rotate around its pin joint with the girder under resetting means's effect, the bumper supports to the rupture disc again after reseing and is close girder one side, the relation of being connected of suspender and last boom has been improved like this, the reliability of the device has been improved.

The present invention may be further configured in a preferred embodiment as: the safety disc is close girder one side is provided with the spacing ring, the bumper bar butt the inner wall of spacing ring.

Through adopting above-mentioned technical scheme, behind the inner wall of bumper butt spacing ring, the bumper will be deviated from the jib by the pin joint of spacing ring restriction around it and girder and rotate, makes the reliability that has so further strengthened the device to the rotation of bumper.

The present invention may be further configured in a preferred embodiment as: resetting means is including fixed setting rotatory base pole on the girder, rotatory base pole is kept away from girder one end with the bumper bar is articulated, the bumper bar with be provided with the torsional spring between the rotatory base pole, the torsional spring makes the bumper bar has and deviates from go up the rotatory trend of jib.

Through adopting above-mentioned technical scheme, set up rotatory base bar on the girder and made things convenient for the installation of bumper beam, the torsional spring provides its gyration elasticity around the pin joint of bumper beam and rotatory base bar for the bumper beam, has realized the swivelling joint of bumper beam and girder like this.

The present invention may be further configured in a preferred embodiment as: the one end that rotatory base rod kept away from the girder is provided with rotatory piece, the bumper bar with rotatory base rod articulates one section and corresponds rotatory piece is provided with the swivelling chute, rotatory piece with the swivelling chute passes through pin joint.

Through adopting above-mentioned technical scheme, rotatory piece is in rotatory inslot and through pin joint, and when the bumper bar took place to rotate for rotatory base rod, rotatory piece rotated in rotatory inslot, has realized the swivelling joint of rotatory base rod and bumper bar like this.

The present invention may be further configured in a preferred embodiment as: the rotary base rod and the safety rod are provided with threads at the hinged positions of the rotary base rod and the safety rod, and the safety rod is connected with a nut through the threads.

Through adopting above-mentioned technical scheme, the bumper is rotatory to the articulated point department of rotatory base rod and bumper with the nut after reseing, and the nut will be injectd to the rotating relation between rotatory base rod and the bumper, has so further improved the reliability of the device.

The present invention may be further configured in a preferred embodiment as: the main beam and two adjacent two sides of the auxiliary beam are symmetrically and fixedly provided with a plurality of connecting rings, the auxiliary beam is provided with four connecting lugs corresponding to the connecting rings, and the connecting lugs are connected with the connecting rings through pins.

Through adopting above-mentioned technical scheme, when the girder is connected with the auxiliary girder, select suitable go-between to pass through pin joint with go-between and engaging lug, realized being connected of girder and auxiliary girder like this, and the go-between is provided with a plurality ofly, and the distance between two adjustable auxiliary girders is in order to adapt to the not cabin of equidimension, has improved the device's suitability like this.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the plurality of upper suspenders and the plurality of lower suspenders enable the device to be suitable for the engine rooms with different gravity centers, and the applicability of the device is improved;

2. the safety rod is abutted to one side, close to the main beam, of the safety disc again after being reset, so that the connection relation between the hanging strip and the upper hanging rod is improved, and the reliability of the device is improved;

3. after the safety rod is reset, the nut is screwed to the hinge point of the rotating base rod and the safety rod, and the nut limits the rotating relation between the rotating base rod and the safety rod, so that the reliability of the device is further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

3 FIG. 32 3 is 3 a 3 cross 3- 3 sectional 3 view 3 of 3 section 3 A 3- 3 A 3 of 3 FIG. 31 3; 3

Fig. 3 is an enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a main beam; 11. an upper boom; 111. a safety disc; 1111. a limiting ring; 12. a bumper; 121. a rotating tank; 13. a resetting device; 131. rotating the base rod; 1311. rotating the block; 132. a torsion spring; 14. a connecting ring; 2. a secondary beam; 21. a lower boom; 22. a hinge plate; 23. connecting lugs; 31. and a nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a wind generating set hoists special lifting device, including girder 1 and the auxiliary girder 2 of symmetry setting at girder 1 both ends, auxiliary girder 2 is connected in girder 1's below, and the symmetry is provided with a plurality of upper boom 11 on girder 1, and every auxiliary girder 2's below symmetry is provided with a plurality of lower boom 21. In this embodiment, the main beam 1 and the auxiliary beam 2 are both trapezoidal, and the upper hanger rod 11 is provided with six. Each secondary beam 2 is provided with four lower booms 21.

Referring to fig. 1, a plurality of connecting rings 14 are symmetrically and fixedly arranged on two adjacent sides of a main beam 1 and two secondary beams 2, four connecting lugs 23 are arranged on the secondary beams 2 corresponding to the connecting rings 14, and the connecting lugs 23 are connected with the connecting rings 14 through pins. In the present embodiment, the connection ring 14 is provided with sixteen.

Referring to fig. 1, a bumper 12 is hinged to a main beam 1 corresponding to an upper boom 11, the bumper 12 is located right below the upper boom 11, a reset device 13 is arranged between the bumper 12 and the main beam 1, a safety disc 111 is fixedly arranged at one end of the upper boom 11 far away from the main beam 1, and one end of the bumper 12 far away from the main beam 1 abuts against one side of the safety disc 111 close to the main beam 1. One side of the safety disc 111 close to the main beam 1 is provided with a limit ring 1111, and the safety rod 12 is abutted against the inner wall of the limit ring 1111.

Referring to fig. 1, the resetting device 13 includes a rotating base rod 131 fixedly disposed on the main beam 1, one end of the rotating base rod 131 away from the main beam 1 is hinged to the safety lever 12, a torsion spring 132 is disposed between the safety lever 12 and the rotating base rod 131, and the torsion spring 132 makes the safety lever 12 have a tendency to rotate away from the upper suspension rod 11. In this embodiment, the length of the safety lever 12 is smaller than the distance of the rotary base 131 from the safety lever 12.

Referring to fig. 1, a rotating block 1311 is arranged at one end of the rotating base rod 131 far away from the girder 1, a rotating groove 121 is arranged at a section of the safety lever 12 hinged to the rotating base rod 131 corresponding to the rotating block 1311, and the rotating block 1311 is connected with the rotating groove 121 through a pin. The rotary base rod 131 and the safety rod 12 are provided with threads at the hinged positions of the rotary base rod and the safety rod 12, and the safety rod 12 is connected with a nut 31 through the threads. The rotating block 1311 is provided as an arc-shaped surface near one end of the bumper 12.

Referring to fig. 1, a plurality of hinge plates 22 are fixedly arranged on the sub-beam 2, the lower suspension rods 21 are arranged corresponding to the hinge plates 22, and the lower suspension rods 21 are fixedly arranged between the hinge plates 22.

The implementation principle of the embodiment is as follows: when the device is used, the center of gravity of the cabin is determined through calculation, then a proper upper suspender 11 and a proper lower suspender 21 are selected, the upper suspender 11 is connected with a crane through a suspender, the lower suspender 21 is connected with the cabin through the suspender, and due to the fact that the main beam 1 is provided with the upper suspenders 11 and the lower suspenders 21 are arranged on each auxiliary material, the proper upper suspender 11 and the proper lower suspender 21 are selected according to the center of gravity of the cabin before the cabin is lifted, and the cabin can be in a horizontal state after being lifted. When the hanging strip is connected with the upper suspension rod 11, the lower safety rod 12 is pressed to enable the safety rod 12 to rotate towards the upper suspension rod 11 around a hinge point of the safety rod 12 and the rotating base rod 131, the safety rod 12 abuts against one end of the safety disc 111 to be separated from the safety disc 111 and the limiting ring 1111 after deflection, then the hanging strip is put between the safety rod 12 and the upper suspension rod 11, then the pressing on the safety rod 12 is removed, the safety rod 12 rotates around the hinge point of the safety rod 12 and the main beam 1 to be separated from the upper suspension rod 11 under the action of the torsion spring 132, the safety rod 12 abuts against the safety disc 111 and the limiting ring 1111 again after reset, and after the safety rod 12 is reset, the nut 31 is rotated to the position of the rotating block 1311 and the rotating groove 121 to limit the rotation of the rotating base rod 131 and the safety rod 12 through the rotating nut 31. When the hanging strip is connected with the lower suspension rod 21, the hanging strip is inserted into a gap formed by the lower suspension rod 21, the hinge plate 22 and the bottom wall of the auxiliary beam 2, so that the hanging strip is limited in the gap, and the hanging strip cannot fall out of the gap during the hoisting process of the cabin. The connecting ring 14 of the main beam 1 is connected with the connecting lug 23 of the auxiliary beam 2 through a pin, and then the main beam 1 is fixedly connected with the auxiliary beam 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a wind generating set hoists special lifting device which characterized in that: set up including girder (1) and symmetry auxiliary girder (2) at girder (1) both ends, auxiliary girder (2) are connected the below of girder (1), the symmetry is provided with a plurality of upper boom (11) on girder (1), every the below symmetry of auxiliary girder (2) is provided with a plurality of lower boom (21).

2. The special lifting appliance for lifting the wind generating set according to claim 1, wherein: a plurality of groups of hinged plates (22) are fixedly arranged on the auxiliary beam (2), the lower suspension rods (21) are arranged corresponding to the plurality of groups of hinged plates (22) one by one, and the lower suspension rods (21) are fixedly arranged between every group of hinged plates (22).

3. The special lifting appliance for lifting the wind generating set according to claim 1, wherein: girder (1) corresponds go up jib (11) and articulate there is bumper (12), bumper (12) are in go up under jib (11), bumper (12) with be provided with resetting means (13) between girder (1), it keeps away from to go up jib (11) the fixed rupture disc (111) that is provided with of one end of girder (1), bumper (12) are kept away from the one end butt of girder (1) rupture disc (111) is close girder (1) one side.

4. The special lifting appliance for lifting the wind generating set according to claim 3, wherein: the safety disc (111) is close girder (1) one side is provided with spacing ring (1111), bumper (12) butt the inner wall of spacing ring (1111).

5. The special lifting appliance for lifting the wind generating set according to claim 3, wherein: resetting means (13) is including fixed setting rotatory base pole (131) on girder (1), rotatory base pole (131) are kept away from girder (1) one end with bumper bar (12) are articulated, bumper bar (12) with be provided with torsional spring (132) between rotatory base pole (131), torsional spring (132) make bumper bar (12) have and deviate from go up the rotatory trend of jib (11).

6. The special lifting appliance for lifting the wind generating set according to claim 5, wherein: one end, far away from the main beam (1), of the rotating base rod (131) is provided with a rotating block (1311), the safety rod (12) is hinged to the rotating base rod (131) by a section corresponding to the rotating block (1311) and is provided with a rotating groove (121), and the rotating block (1311) is connected with the rotating groove (121) through a pin.

7. The special lifting appliance for lifting the wind generating set according to claim 5, wherein: the rotary base rod (131) and the safety rod (12) are provided with threads at the hinged positions of the rotary base rod and the safety rod, and the safety rod (12) is connected with a nut (31) through the threads.

8. The special lifting appliance for lifting the wind generating set according to claim 1, wherein: the main beam (1) and two adjacent two sides of the auxiliary beam (2) are symmetrically and fixedly provided with a plurality of connecting rings (14), the auxiliary beam (2) is provided with four connecting lugs (23) corresponding to the connecting rings (14), and the connecting lugs (23) are connected with the connecting rings (14) through pins.