CN220264950U

CN220264950U - Offshore wind turbine generator set hoisting device

Info

Publication number: CN220264950U
Application number: CN202321347598.2U
Authority: CN
Inventors: 孔云飞; 秦亮亮; 于经泳; 魏元健; 薛典
Original assignee: Jiangsu Haizhuang Wind Power Equipment Co ltd
Current assignee: Jiangsu Haizhuang Wind Power Equipment Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-12-29
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a hoisting device for an offshore wind turbine, which comprises a hanging bracket, fixing plates and a connecting plate, wherein the fixing plates are fixedly connected to two sides of the bottom of the hanging bracket, a screw rod is connected between the fixing plates at two sides, the left end of the fixing plate at the left side is connected with a positive and negative motor, the output end of the positive and negative motor is connected with the screw rod, two sides of the outer wall of the screw rod are in threaded connection with moving blocks, the bottom ends of the moving blocks at two sides are connected with the connecting plate through a connecting frame, a fifth hydraulic push rod is fixedly connected to the opposite directions of the moving plates at two sides, and the output end of the fifth hydraulic push rod is fixedly connected with a clamping block. The clamping blocks on the two sides are pushed to move relatively through the fifth hydraulic push rod, so that fans of different types are clamped and fixed, the screw is driven to rotate through the positive and negative motor, the moving block of the screw is horizontally moved in a threaded manner, and then the lifting device is driven to move and adjust left and right, so that the installation of the fans is facilitated, and the labor is saved, so that the construction is more convenient.

Description

Offshore wind turbine generator set hoisting device

Technical Field

The utility model relates to the technical field of hoisting devices, in particular to a hoisting device for an offshore wind turbine.

Background

The wind turbine generator is generally a wind power generator, is power equipment for converting wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, the tower height of the wind turbine generator is usually more than tens of meters or hundreds of meters, the application number of the wind turbine generator is currently searched to be CN201821585626.3, and the wind turbine generator lifting device special for wind power construction comprises a lifting part; the hoisting part comprises a hanging bracket and a connecting block, and the connecting block is fixed at the lower end of the hanging bracket; through holes are symmetrically formed in two sides of the connecting block, two clamping blocks are symmetrically arranged at the bottom of the connecting block, and the cross section of each clamping block is L-shaped; the two through holes are respectively connected with a sliding rod in a sliding manner, the bottoms of the sliding rods are fixedly connected with clamping blocks, the tops of the connecting blocks are also provided with transverse plates, and the two sides of the bottoms of the transverse plates are respectively fixed with the top ends of the two sliding rods; the upper end of the connecting block is also fixedly provided with a first hydraulic push rod, a second hydraulic push rod, a third hydraulic push rod and a fourth hydraulic push rod; the device also comprises a lifting part; the lifting part comprises a base, an upright post, a fixed pulley and a cable; universal wheels are connected around the base, the upright posts are fixed on the base, and fixed pulleys are fixed at the top of the upright posts; the utility model aims to provide a fan hoisting device special for wind power construction, which is simple in structure and convenient to move.

Similar to the special fan hoisting device for wind power construction: although the first hydraulic push rod or the second hydraulic push rod is controlled to extend the piston to push the transverse plate, so that the clamping block is controlled to clamp the fan to move forwards and backwards, but the fan cannot be hoisted due to the fact that the clamping block does not have clamping capability when facing fans of different models and sizes, and secondly, the mounting position can only be adjusted by moving forwards and backwards and cannot be adjusted transversely left and right when the fan is hoisted, so that manual carrying of fan parts is required, and the construction efficiency is affected.

Accordingly, in view of the above, research and improvement are performed on the existing structure and the existing defects, and the offshore wind turbine hoisting device is provided so as to achieve the purpose of having more practical value.

Disclosure of Invention

The utility model aims to provide a lifting device for an offshore wind turbine, which solves the problems that in the prior art, when the lifting device faces to fans with different models and sizes, the lifting device cannot be used for lifting due to the fact that the lifting device does not have clamping capability, and in addition, when the lifting device is used for lifting, only front-back movement adjustment can be carried out, and the mounting position cannot be laterally adjusted left and right, so that manual conveying of fan parts is needed, and the construction efficiency is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lifting device for the offshore wind turbine comprises a lifting frame, fixing plates and connecting plates, wherein the fixing plates are fixedly connected to two sides of the bottom of the lifting frame, screw rods are connected between the fixing plates, the left side of the fixing plates is connected with a positive motor and a negative motor, and the output ends of the positive motor and the negative motor are connected with the screw rods.

Further, the outer wall both sides spiro union of screw rod has the movable block, both sides the bottom of movable block is connected with the connecting plate through the link, the bilateral symmetry of connecting plate is provided with rectangular shape through-hole that link up from top to bottom, two sliding connection has the slide bar in the through-hole respectively.

Further, the bottom fixedly connected with movable plate of slide bar, both sides the top rigid coupling of slide bar has the diaphragm, both sides are equipped with third hydraulic stem and fourth hydraulic stem respectively around the upper end diaphragm of connecting plate, the piston end of third hydraulic stem and fourth hydraulic stem is towards the diaphragm respectively.

Further, a fifth hydraulic push rod is fixedly connected to the opposite directions of the moving plates at the two sides, a clamping block is fixedly connected to the output end of the fifth hydraulic push rod, and the cross section of the clamping block is L-shaped.

Further, the left and right sides of connecting plate upper end is equipped with No. two hydraulic push rods and No. one hydraulic push rod respectively, no. two hydraulic push rods and No. one hydraulic push rod's piston runs through the connecting plate sets up downwards, no. two hydraulic push rods and No. one hydraulic push rod's piston bottom rigid coupling have the dog.

Further, the top end of the hanging frame is uniformly fixedly connected with a plurality of hanging blocks, the top ends of the hanging blocks are connected with cables, and the hanging blocks are connected with the hanging frame through the cables.

Compared with the prior art, the utility model has the beneficial effects that: the opposite directions of the moving plates at the two sides are fixedly connected with fifth hydraulic push rods, the output ends of the fifth hydraulic push rods are fixedly connected with clamping blocks, and the fifth hydraulic push rods can push the clamping blocks to translate, so that the clamping blocks can clamp and fix fans of different models, and the lifting is realized;

the screw rod is connected between the two side fixed plates, the left end of the left side fixed plate is connected with the positive and negative motor, the output end of the positive and negative motor is connected with the screw rod, the moving blocks are screwed on two sides of the outer wall of the screw rod, the screw rod is driven to rotate through the positive and negative motor, the moving blocks are screwed on the screw rod to perform left and right translational movement, further, the left and right movement adjustment of the lifting device is achieved, and the installation of the fan is facilitated.

Drawings

FIG. 1 is a schematic diagram of a main structure of a hoisting device for an offshore wind turbine of the present utility model;

FIG. 2 is a schematic diagram of a side view structure of a connecting plate of a hoisting device of an offshore wind turbine of the utility model;

FIG. 3 is a schematic diagram of the bottom structure of a hoisting device of the offshore wind turbine of the present utility model;

FIG. 4 is a schematic diagram of a lifting frame of the offshore wind turbine lifting device.

In the figure: 1. a hanging bracket; 2. a fixing plate; 3. a screw; 4. a forward and reverse motor; 5. a moving block; 6. a connecting plate; 7. a hydraulic push rod I; 8. a second hydraulic push rod; 9. a stop block; 10. a cross plate; 11. a third hydraulic pushrod; 12. a fourth hydraulic pushrod; 13. a slide bar; 14. a moving plate; 15. a fifth hydraulic pushrod; 16. clamping blocks; 17. a connecting frame; 18. hanging blocks; 19. a cable; 20. a through hole; 21. and (5) lifting the frame.

Description of the embodiments

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the marine wind turbine generator system hoist device, including gallows 1, fixed plate 2 and connecting plate 6, the bottom both sides rigid coupling of gallows 1 has fixed plate 2, and fixed plate 2 plays fixed spacing's effect, is connected with screw rod 3 between the fixed plate 2 of both sides, and the left end of left side fixed plate 2 is connected with positive and negative motor 4, and positive and negative motor 4's output is connected with screw rod 3, can drive screw rod 3 through positive and negative motor 4 drive effect and carry out positive and negative rotation.

The outer wall both sides spiro union of screw rod 3 has movable block 5, drive screw rod 3 through positive and negative motor 4 and rotate for the spiro union is carried out horizontal translational motion in the movable block 5 of screw rod 3, and then realizes the removal adjustment between controlling hoist device, and the bottom of both sides movable block 5 is connected with connecting plate 6 through link 17, and the bilateral symmetry of connecting plate 6 is provided with rectangular shape through-hole 20 that link up from top to bottom, and sliding connection has slide bar 13 in two through-holes 20 respectively, and slide bar 13 can be at through-hole 20 internal motion.

The bottom fixedly connected with movable plate 14 of slide bar 13, the top rigid coupling of both sides slide bar 13 has diaphragm 10, and movable plate 14 is connected through slide bar 13 with diaphragm 10 to realize sliding in the direction of through-hole 20, the upper end diaphragm 10 front and back both sides of connecting plate 6 are equipped with third hydraulic push rod 11 and fourth hydraulic push rod 12 respectively, and the piston end of third hydraulic push rod 11 and fourth hydraulic push rod 12 is towards diaphragm 10 respectively, and third hydraulic push rod 11 and fourth hydraulic push rod 12 promote diaphragm 10 and carry out the back-and-forth movement, and then realize the removal adjustment between the front and back of clamp splice 16.

The opposite direction rigid coupling of both sides movable plate 14 has fifth hydraulic push rod 15, and the output rigid coupling of fifth hydraulic push rod 15 has clamp splice 16, and clamp splice 16 cross section is L shape, and fifth hydraulic push rod 15 can promote clamp splice 16 translation to thereby make clamp splice 16 can carry out the centre gripping to the fan and realize the hoist and mount.

The left and right sides of connecting plate 6 upper end is equipped with hydraulic push rod No. two 8 and No. one hydraulic push rod 7 respectively, and the piston of No. two hydraulic push rods 8 and No. one hydraulic push rod 7 runs through connecting plate 6 and sets up downwards, and No. two hydraulic push rod 8 and No. one hydraulic push rod 7's piston bottom rigid coupling has dog 9, and No. two hydraulic push rod 8 and No. one hydraulic push rod 7 can promote dog 9 to push down, utilizes dog 9 to play spacing dead effect of card to the fan of hoist and mount.

The top of gallows 1 evenly fixedly connected with a plurality of hanging blocks 18, the top of hanging block 18 is connected with cable 19, and hanging block 18 is connected with lifting frame 21 through cable 19 for when the hoist and mount operation, cable 19 pulls the hanging block 18 of equipartition through connecting cable 19, makes the operation of hoist and mount fan more steady.

Working principle: when the offshore wind turbine hoisting device is used, the device is hoisted at the top end of a required hoisting fan through the hoisting frame 21, the fifth hydraulic push rod 16 is started to push the clamping blocks 16 on two sides to move relatively, so that the fan is clamped and fixed, the second hydraulic push rod 8 and the first hydraulic push rod 7 can push the stop block 9 to press downwards, the stop block 9 is utilized to limit and clamp the hoisted fan, stability of the hoisting fan is improved, the hoisted fan with the clamped and fixed fan is hoisted through the hoisting frame 21, the screw rod 3 is driven to rotate through the positive and negative motor 4 in the hoisting process, the moving block 5 which is connected with the screw rod 3 in a threaded manner is subjected to horizontal translational motion, further, the transverse plate 10 is pushed to move forwards and backwards through the third hydraulic push rod 11 and the fourth hydraulic push rod 12, further, the front and back movement adjustment of the clamping blocks 16 is realized, and therefore the fans are adjusted in all directions when being hoisted, and the installation of the fans is facilitated.

Claims

1. Offshore wind turbine generator system hoist device, including gallows (1), fixed plate (2) and connecting plate (6), its characterized in that: the lifting frame is characterized in that fixing plates (2) are fixedly connected to two sides of the bottom of the lifting frame (1), screw rods (3) are connected between the fixing plates (2) on two sides, a positive motor (4) is connected to the left end of each fixing plate (2) on the left side, and the output end of each positive motor (4) is connected with each screw rod (3).

2. The offshore wind turbine hoisting device of claim 1, wherein: the two sides of the outer wall of the screw rod (3) are in threaded connection with moving blocks (5), the bottom ends of the moving blocks (5) at the two sides are connected with a connecting plate (6) through connecting frames (17), strip-shaped through holes (20) which are vertically communicated are symmetrically formed in the two sides of the connecting plate (6), and sliding rods (13) are respectively and slidably connected in the two through holes (20).

3. The offshore wind turbine hoisting device of claim 2, wherein: the bottom fixedly connected with movable plate (14) of slide bar (13), both sides the top rigid coupling of slide bar (13) has diaphragm (10), both sides are equipped with third hydraulic stem (11) and fourth hydraulic stem (12) respectively around upper end diaphragm (10) of connecting plate (6), the piston end of third hydraulic stem (11) and fourth hydraulic stem (12) is towards diaphragm (10) respectively.

4. The offshore wind turbine hoisting device of claim 3, wherein: the opposite directions of the moving plates (14) on the two sides are fixedly connected with fifth hydraulic push rods (15), the output ends of the fifth hydraulic push rods (15) are fixedly connected with clamping blocks (16), and the cross sections of the clamping blocks (16) are L-shaped.

5. The offshore wind turbine hoisting device of claim 1, wherein: the left and right sides of connecting plate (6) upper end is equipped with No. two hydraulic push rods (8) and No. one hydraulic push rod (7) respectively, no. two hydraulic push rods (8) run through with the piston of No. one hydraulic push rod (7) connecting plate (6) set up down, no. two hydraulic push rods (8) have dog (9) with the piston bottom rigid coupling of No. one hydraulic push rod (7).

6. The offshore wind turbine hoisting device of claim 1, wherein: the lifting frame is characterized in that a plurality of lifting blocks (18) are uniformly fixedly connected to the top ends of the lifting frames (1), cables (19) are connected to the top ends of the lifting blocks (18), and the lifting blocks (18) are connected with the lifting frames (21) through the cables (19).