CN221093404U - Lifting lug structure for lifting offshore wind power lifting platform - Google Patents

Abstract

The utility model discloses a lifting lug structure for lifting an offshore wind power lifting platform, which comprises an excessive main steel pipe, wherein an inner platform is fixedly arranged in the excessive main steel pipe, and four lifting lugs are fixedly arranged on the inner wall of the excessive main steel pipe. This lifting lug structure for marine wind-powered electricity generation hoist and mount platform is through utilizing the screw thread displacement principle of screw thread upright pole and rectangle interior sliding support piece to and rectangle interior sliding support piece is at the inside spacing rotation restriction effect that provides of lifting by crane the piece, thereby make its rectangle interior sliding support piece at the inside vertical flexible displacement of lifting by crane the piece, drive two U type interior limiting blocks and paste the upper and lower displacement around lifting by crane the piece respectively promptly, make its left and right sides of lifting hook connecting piece by the card in the U type limiting groove of two U type interior limiting blocks, limit its left and right sides swing of lifting hook, make it unable rotatory swing around interior buckle section of thick bamboo, then effectually avoided the lifting hook to buckle in the buckle of lifting lug and hold down the back and lift by crane the time have the problem of certain angle swing.

Description

Lifting lug structure for lifting offshore wind power lifting platform

Technical Field

The utility model relates to the technical field of offshore wind power equipment, in particular to a lifting lug structure for lifting an offshore wind power lifting platform.

Background

The offshore wind power is used as an important field of China renewable energy development, the offshore wind power has the characteristics of rich resources, high power generation utilization time, no occupation of land and suitability for large-scale development, is the latest front edge of global wind power development, compared with land wind power, the energy benefit of the offshore wind power resources is 20% -40% higher than that of land wind power plants, the offshore wind power has the advantages of no occupation of land, high wind speed, less sand and dust, large electric quantity, stable operation, zero dust emission and the like, the abrasion of a machine set can be reduced, the service life of the wind generating set is prolonged, the offshore wind power generation machine is suitable for large-scale development, in the offshore wind power foundation installation process, the fan foundation hoisting operation is one of links with the greatest risk in the marine engineering construction, after the manufacture of all components of the fan foundation in a steel structure factory is completed, then the foundation is transported to an offshore installation site, integral hoisting is needed, lifting lugs are stress components installed on equipment for hoisting, and are important connecting parts in equipment hoisting, and are directly related to the safety of large equipment hoisting.

At present, after the existing lifting lug is connected with the lifting hook in a buckling and biting mode, a certain gap exists in the buckling ring of the lifting lug, so that when the lifting lug is lifted, certain left and right angle swing exists, the stability is not high, and certain potential safety hazard exists. Therefore, aiming at the problems, the application discloses a lifting lug structure for lifting an offshore wind power lifting platform, which is used for effectively solving the problem that a lifting hook swings at a certain angle when lifting after being buckled and meshed in a buckle of a lifting lug.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a lifting lug structure for lifting an offshore wind power lifting platform, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a marine wind-powered electricity generation hoist and mount platform hoist and mount are with hanging ear structure, includes excessive main steel pipe, the interior fixed mounting of excessive main steel pipe has interior platform, the inner wall fixed mounting of excessive main steel pipe has four lugs, four the lug is annular symmetric distribution with the center of interior platform respectively, the lug is including lifting by crane the piece, interior buckle section of thick bamboo, rectangle interior sliding support piece and two U type inner limit pieces, the inboard of excessive main steel pipe and the inner wall fixed mounting of lifting by crane the piece are connected, the inner wall of lifting by crane the piece runs through with the fixed surface of interior buckle section of thick bamboo and cup joints, the inner ring of interior buckle section of thick bamboo is withheld and is had lifting hook, the top of rectangle interior sliding support piece inserts the inside of lifting by crane the piece, the middle part of rectangle interior sliding support piece cup joints with the surface screw thread of screw thread upright pole, the inside of screw thread upright pole is inserted the inside of lifting by crane the piece, and with the inner wall rotation of lifting by crane the piece be connected, the side fixed connection cross piece is connected with the side fixed side of connecting cross piece and the inner limit piece, two side fixed connection and two U type inner limit pieces are connected with each other through the front and two side type inner limit pieces and the front and the fixed connection respectively.

Preferably, the side of the U-shaped inner limiting block is inserted with a threaded rotary cylinder, the surface of the threaded rotary cylinder is in threaded connection with the inner wall of the U-shaped inner limiting block, and one end of the threaded rotary cylinder, which is positioned in the U-shaped inner limiting block, is rotationally connected with a pushing pressing block.

Preferably, the side face of the pushing and pressing block is fixedly connected with an anti-skid resistance plate, the side face of the pushing and pressing block is fixedly connected with two limiting and stabilizing inserting blocks, and the two limiting and stabilizing inserting blocks are respectively distributed symmetrically up and down in the middle of the pushing and pressing block.

Preferably, the spacing stable insert block is kept away from the inner wall that bulldozes the one end of pressing the piece and inserts U type inner limit block, and with the inner wall sliding connection of U type inner limit block, the screw thread rotary drum is located the outside one end fixedly connected with rotatory cap of U type inner limit block.

Preferably, the side of the lifting block is fixedly sleeved with a stable connecting block, and the side of the stable connecting block is fixedly welded with the inner wall of the excessive main steel pipe.

Preferably, the bottom of the threaded vertical rod is fixedly connected with a rotating chassis, and the annular outer surface of the rotating chassis is fixedly connected with a plurality of rotating holding handles.

(III) beneficial effects

The utility model provides a lifting lug structure for lifting an offshore wind power lifting platform. The beneficial effects are as follows:

(1) This marine wind-powered electricity generation hoist and mount platform hoist and mount are with lifting lug structure, through the setting of lug, and the lifting block, interior buckle section of thick bamboo, the interior supporting shoe of rectangle, U type internal limiting piece, the interconnect piece, connect the horizontal component, the screw thread erects the pole, the screw thread revolves the rotary drum, bulldoze presses the cooperation use of piece and spacing stable plug, thereby it is rotatory through the screw thread erects the pole, utilize screw thread displacement principle of screw thread erects pole and the interior supporting shoe of rectangle, and the interior spacing of interior supporting shoe of rectangle provides rotatory constraint effect in the interior of lifting block, thereby make its interior supporting shoe of rectangle vertical flexible displacement in the inside of lifting block, drive two U type internal limiting pieces and paste the upper and lower displacement around the lifting block respectively, make its left and right sides of lifting hook connecting piece by the card in the U type spacing inslot of two U type internal limiting pieces, restrict its lifting hook's the left and right swing, make it can't rotate the swing around interior buckle section of thick bamboo, then effectually avoid lifting hook when the lifting hook to have the lifting platform's lifting stability of certain angle swing after buckling in the interior of lifting buckle of lifting lug, thereby make its effect higher.

Drawings

FIG. 1 is a top plan view of the structure of the present utility model;

FIG. 2 is a schematic view of a lifting lug of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a structural shackle of the present utility model;

FIG. 4 is a side view of a structural shackle of the present utility model;

fig. 5 is an enlarged schematic view of the structure of the present utility model at a in fig. 2.

In the figure: 1. excessive main steel pipe; 2. an inner platform; 3. lifting lugs; 4. a lifting block; 5. an inner clasp barrel; 6. lifting hook; 7. rectangular inner sliding support blocks; 8. u-shaped inner limit block; 9. an interconnecting block; 10. connecting the transverse piece; 11. a threaded vertical rod; 12. rotating the chassis; 13. a threaded rotary drum; 14. pushing the pressing block; 15. limiting and stabilizing plug blocks; 16. an anti-slip resistance plate; 17. rotating the cap; 18. and stabilizing the connecting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-5, the present utility model provides a technical solution: the lifting lug structure for lifting the offshore wind power lifting platform comprises an excessive main steel pipe 1, an inner platform 2 is fixedly arranged in the excessive main steel pipe 1, four lifting lugs 3 are fixedly arranged on the inner wall of the excessive main steel pipe 1, the four lifting lugs 3 are symmetrically distributed in a ring shape at the center of the inner platform 2, the lifting lugs 3 comprise lifting blocks 4, an inner retaining ring barrel 5, rectangular inner sliding supporting blocks 7 and two U-shaped inner limiting blocks 8, the inner side of the excessive main steel pipe 1 is fixedly arranged and connected with the inner wall of the lifting blocks 4, a stable connecting block 18 is fixedly sleeved on the side surface of the lifting blocks 4, the side surface of the stable connecting block 18 is fixedly welded with the inner wall of the excessive main steel pipe 1, through the arrangement of the stable connecting block 18, the effect of higher connection stability between the reinforced lifting block 4 and the inner wall of the excessive main steel pipe 1 is achieved, the inner wall of the lifting block 4 is fixedly connected with the surface of the inner buckle barrel 5 in a penetrating and sleeving manner, the lifting hook 6 is buckled and pressed on the inner ring of the inner buckle barrel 5, the top of the rectangular inner sliding support block 7 is inserted into the inner part of the lifting block 4 and is in sliding connection with the inner wall of the lifting block 4, the middle part of the rectangular inner sliding support block 7 is in threaded connection with the surface of the threaded vertical rod 11, the top of the threaded vertical rod 11 is inserted into the inner part of the lifting block 4 and is rotatably connected with the inner wall of the lifting block 4, the side surface of the rectangular inner sliding support block 7 is fixedly connected with the connecting cross member 10, the other side surface of the connecting cross member 10 is fixedly connected with the side surface of the interconnecting block 9, the two U-shaped inner limit blocks 8 are fixedly connected through the interconnecting block 9, the inner sides of the two U-shaped inner limit blocks 8 are respectively in sliding contact with the front surface and the back surface of the lifting block 4, and the arrangement of the rectangular inner limit block 7, the two U-shaped inner limit blocks 8, the interconnecting block 9, the connecting cross piece 10 and the threaded vertical rod 11 is utilized to utilize the principle of threaded displacement of the threaded vertical rod 11 and the rectangular inner limit block 7 and the rotation constraint function provided by the limit of the rectangular inner limit block 7 in the lifting block 4, so that the rectangular inner limit block 7 is vertically and upwards stretched and displaced in the lifting block 4, namely the two U-shaped inner limit blocks 8 are respectively driven to be respectively attached to the front and the back of the lifting block 4 for upward displacement, the left and right sides of the lifting hook 6 connecting piece are clamped in the U-shaped limiting grooves of the two U-shaped inner limiting blocks 8, the left and right swinging of the lifting hook 6 is effectively limited, the lifting hook cannot swing around the inner buckle barrel 5 in a rotating mode, the bottom of the threaded vertical rod 11 is fixedly connected with a rotating chassis 12, the annular outer surface of the rotating chassis 12 is fixedly connected with a plurality of rotating holding handles, the effect of conveniently rotating the threaded vertical rod 11 is achieved through the arrangement of the rotating chassis 12, the side face of the U-shaped inner limiting block 8 is inserted with a threaded rotating barrel 13, the surface of the threaded rotating barrel 13 is in threaded connection with the inner wall of the U-shaped inner limiting block 8, one end of the threaded rotating barrel 13 positioned on the U-shaped inner limiting block 8 is rotationally connected with a pushing pressing block 14, the side surface of the pushing and pressing block 14 is fixedly connected with an anti-skid resistance plate 16, through the arrangement of the threaded rotary cylinder 13, the pushing and pressing block 14 and the anti-skid resistance plate 16, the pushing and pressing block 14 is driven to displace inwards by utilizing the threaded pushing principle of the threaded rotary cylinder 13 and the U-shaped inner limit block 8, the side surface of the pushing and pressing block 14 is in extrusion contact with the side surface of the anti-skid resistance plate 16 and the inner buckle ring barrel 5 on the inner side, the effect of performing secondary pressure stabilization and limit on the lifting hook 6 which is buckled and pressed by the pushing and pressing block 14 is effectively enhanced, the side surface of the pushing and pressing block 14 is fixedly connected with two limit stable inserting blocks 15, the two limit stable inserting blocks 15 are respectively distributed in an up-down symmetrical way with the middle part of the pushing and pressing block 14, the spacing stable insert 15 keeps away from the inner wall that bulldozes the inner limit piece 8 of the one end of pressing the piece 14 and inserts U type inner limit piece 8, and with the inner wall sliding connection of U type inner limit piece 8, through the setting of spacing stable insert 15 to play the effect of strengthening the displacement stability who bulldozes pressing the piece 14, screw thread rotary drum 13 is located the outside one end fixedly connected with rotatory cap 17 of U type inner limit piece 8, through the setting of rotatory cap 17, thereby has played the effect of being convenient for rotate screw thread rotary drum 13.

When in use, the four lifting hooks 6 are respectively buckled in the inner buckle ring barrel 5, then the corresponding threaded vertical rods 11 are rotated, the threaded displacement principle of the threaded vertical rods 11 and the rectangular inner sliding support blocks 7 is utilized, and the rectangular inner sliding support blocks 7 provide rotation constraint function in the inner limit of the lifting blocks 4, so that the rectangular inner sliding support blocks 7 vertically and upwards stretch and displace in the lifting blocks 4, namely, the two U-shaped inner limit blocks 8 are driven to respectively adhere to the front and back of the lifting blocks 4 to upwards displace, the left side and the right side of the connecting piece of the lifting hooks 6 are clamped in the U-shaped limit grooves of the two U-shaped inner limit blocks 8, and then the threaded rotary cylinders 13 on the side surfaces of the U-shaped inner limit blocks 8 are rotated, the screw thread pushing principle of the screw thread rotary cylinder 13 and the U-shaped inner limit block 8 is utilized to drive the pushing and pressing block 14 to displace inwards, so that the side surface of the pushing and pressing block 14 and the side surface of the anti-slip resistance plate 16 are in extrusion contact with the side surface of the inner buckle barrel 5 on the inner side, the left-right swing of the lifting hook 6 is effectively limited, the lifting hook cannot swing around the inner buckle barrel 5 in a rotating manner, the problem that the lifting hook swings at a certain angle after being buckled in the buckle of the lifting lug in a lifting manner is effectively avoided, the purpose of higher lifting stability of a platform is achieved, and meanwhile, the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.

To sum up, this offshore wind power hoist and mount platform hoist and mount are with lug structure, through the setting of lug 3, and lifting lug 4, interior buckle section of thick bamboo 5, rectangle interior stay 7, U type inner limit piece 8, interconnect piece 9, connect horizontal component 10, screw thread upright pole 11, screw thread rotary drum 13, bulldoze the cooperation of pressing piece 14 and spacing stable plug 15 is used, thereby it is rotatory to have played through screw thread upright pole 11, utilize screw thread displacement principle of screw thread upright pole 11 and rectangle interior stay 7, and rectangle interior stay 7 provides rotatory constraint effect in the inside spacing of lifting lug 4, thereby make its rectangle interior stay 7 vertically flexible displacement in the inside of lifting lug 4, drive two U type inner limit pieces 8 respectively in the front and back of lifting lug 4 and paste the upper and lower displacement, make its left and right sides of lifting hook 6 connecting piece be blocked in the U type spacing inslot of two U type inner limit pieces 8, limit piece's left and right swing of lifting hook 6 carries out restriction, make it unable rotate and swing around interior buckle section of thick bamboo 5, thereby the lifting lug is effective in the time of lifting lug bearing the problem of lifting lug stability when having avoided certain lifting lug to have certain stability when lifting and mount platform to swing.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Lifting lug structure for lifting offshore wind power lifting platform, comprising an excessive main steel pipe (1), and being characterized in that: the inner side of the excessive main steel pipe (1) is fixedly provided with an inner platform (2), the inner wall of the excessive main steel pipe (1) is fixedly provided with four lifting lugs (3), the four lifting lugs (3) are respectively distributed in an annular symmetrical mode by the center of the inner platform (2), each lifting lug (3) comprises a lifting block (4), an inner retaining ring barrel (5), a rectangular inner supporting block (7) and two U-shaped inner limiting blocks (8), the inner side of the excessive main steel pipe (1) is fixedly provided with the inner wall of the lifting block (4), the inner wall of the lifting block (4) is fixedly connected with the surface of the inner retaining ring barrel (5) in a penetrating and sleeving manner, the inner ring of the inner retaining ring barrel (5) is buckled with a lifting hook (6), the top of the rectangular inner supporting block (7) is inserted into the inner part of the lifting block (4) and is in sliding connection with the inner wall of the lifting block (4), the middle part of the rectangular inner supporting block (7) is sleeved with the surface of a threaded vertical rod (11), the top of the threaded lifting rod (11) is inserted into the inner side of the lifting block (4) and is fixedly connected with the inner side face (9) of the inner supporting block (9) which is fixedly connected with the other side face (9), the inner sides of the two U-shaped inner limiting blocks (8) are respectively in sliding contact with the front surface and the back surface of the lifting block (4).

2. The lifting lug structure for lifting an offshore wind power lifting platform according to claim 1, wherein: the side of U type internal limiting piece (8) inserts threaded rotary drum (13), the surface of threaded rotary drum (13) and the inner wall threaded connection of U type internal limiting piece (8), threaded rotary drum (13) are located the one end rotation of U type internal limiting piece (8) and are connected with bulldozes according to piece (14).

3. The lifting lug structure for lifting an offshore wind power lifting platform according to claim 2, wherein: the side face of the pushing and pressing block (14) is fixedly connected with an anti-slip resistance plate (16), the side face of the pushing and pressing block (14) is fixedly connected with two limiting and stabilizing inserting blocks (15), and the two limiting and stabilizing inserting blocks (15) are respectively symmetrically distributed up and down in the middle of the pushing and pressing block (14).

4. A lifting lug structure for lifting an offshore wind power lifting platform according to claim 3, wherein: the limiting and stabilizing inserting block (15) is far away from one end of the pushing and pressing block (14), is inserted into the inner wall of the U-shaped inner limiting block (8) and is in sliding connection with the inner wall of the U-shaped inner limiting block (8), and one end of the threaded rotary cylinder (13) located outside the U-shaped inner limiting block (8) is fixedly connected with a rotary cap (17).

5. The lifting lug structure for lifting an offshore wind power lifting platform according to claim 1, wherein: the side of the lifting block (4) is fixedly sleeved with a stable connecting block (18), and the side of the stable connecting block (18) is fixedly welded with the inner wall of the excessive main steel pipe (1).

6. The lifting lug structure for lifting an offshore wind power lifting platform according to claim 1, wherein: the bottom of the threaded vertical rod (11) is fixedly connected with a rotating chassis (12), and the annular outer surface of the rotating chassis (12) is fixedly connected with a plurality of rotating handles.