CN217264268U

CN217264268U - Large-scale wind turbine cabin lifting device

Info

Publication number: CN217264268U
Application number: CN202221289412.8U
Authority: CN
Inventors: 柳兵; 王小升; 王宝; 成毅峰; 张彪年; 高立武; 郭彦锋; 刘珂; 夏玄; 曹毅; 梅芳斌; 武娜娜
Original assignee: Sinohydro Engineering Bureau 4 Co Ltd
Current assignee: Sinohydro Engineering Bureau 4 Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-08-23
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a large-scale wind power generator cabin hoisting device, which comprises a hoisting mechanism, wherein the hoisting mechanism comprises a suspension arm, a U-shaped block, a lifting hook and an elastic air bag; the front side of davit is equipped with first U-shaped plate, the bottom both sides fixedly connected with same diaphragm of first U-shaped plate. The utility model discloses a two lifting hooks drive same part rebound, receive gravity to influence part drive lifting hook rebound when being hoisted, make two U-shaped pieces drive same second U-shaped plate rebound, the second U-shaped plate compresses spring and elasticity gasbag at the in-process that removes, buffering absorbing effect has been reached, adopt two lifting hooks to hoist, the messenger is higher at the in-process stability of hoist and mount, the part is difficult to appear the slope, the danger coefficient is low, possess buffering antidetonation function at the in-process of hoist and mount simultaneously, can effectually reduce its shaking force that lifts by crane the in-process and produce to the part in lifting by crane promptly, bring very big convenience for the use.

Description

Large-scale wind turbine cabin lifting device

The technical field is as follows:

the utility model discloses wind power generation cabin hoist and mount technical field specifically is a large-scale wind power generation cabin lifting device.

The background art comprises the following steps:

in the existing wind generating set cabin installation process, hoisting operation of components on the top of the cabin is usually involved, most of the components are disassembled for hoisting a host, and then the disassembled components are hoisted.

However, the existing large-scale wind turbine nacelle crane is hoisted by adopting a single lifting hook in the hoisting process, so that the stability is poor in the hoisting process, the component is easy to incline, the danger coefficient is high, and meanwhile, the crane does not have the buffering and anti-seismic function in the hoisting process, namely, the crane cannot effectively buffer the component in hoisting to reduce the vibration force generated in the hoisting process, so that great inconvenience is brought to the use.

The utility model has the following contents:

an object of the utility model is to provide a large-scale wind turbine cabin lifting device to solve one of the problem that proposes in the above-mentioned background art.

The utility model discloses by following technical scheme implement: a large-scale wind power generator cabin hoisting device comprises a hoisting mechanism, wherein the hoisting mechanism comprises a hoisting arm, a U-shaped block, a hoisting hook and an elastic air bag;

the front side of davit is equipped with first U-shaped board, the same diaphragm of bottom both sides fixedly connected with of first U-shaped board, be equipped with second U-shaped board in the first U-shaped board, the bottom both sides of second U-shaped board all extend to the below of diaphragm, the outside at second U-shaped board is established to the diaphragm slip cap, the equal fixedly connected with U-shaped piece in bottom both sides of second U-shaped board, it is connected with same screw rod to rotate between the both sides inner wall of U-shaped piece, the outside threaded connection of screw rod has the movable block, the below of movable block is equipped with the lifting hook.

As further preferable in the present technical solution: the top fixedly connected with connecting block of lifting hook, the top fixedly connected with circular piece of connecting block.

As further preferable in the present technical solution: the top of the circular block is fixedly connected with a flexible steel rope, and the top end of the flexible steel rope is fixedly connected with the bottom of the corresponding moving block.

As further preferable in the present technical solution: the movable block is characterized in that the same cross rod is fixedly connected between the inner walls of the two sides of the U-shaped block, and the movable block is slidably sleeved on the outer side of the cross rod.

As further preferable in the present technical solution: two equal fixedly connected with motor in one side that the U-shaped piece kept away from each other, the output shaft tip of motor and the tip fixed connection of the screw rod that corresponds, two montants of top fixedly connected with of diaphragm.

As further preferable in the present technical solution: the second U-shaped plate is slidably sleeved on the outer sides of the two vertical rods, two springs are fixedly connected between the inner wall of the top of the second U-shaped plate and the top of the transverse plate, and the springs are movably sleeved on the outer sides of the corresponding vertical rods.

As further preferable in the present technical solution: the elastic air bag is fixedly connected between the inner wall of the top of the second U-shaped plate and the top of the transverse plate, the arc-shaped block is fixedly connected to the top of the first U-shaped plate, and the pull rope is fixedly connected to the top of the arc-shaped block.

As further preferable in the present technical solution: the top of the suspension arm is rotatably connected with a first fixed pulley and a second fixed pulley, and the end part of the pull rope bypasses the corresponding first fixed pulley and the second fixed pulley.

The utility model has the advantages that: the utility model discloses a two lifting hooks drive same part rebound, receive gravity to influence the part and drive the lifting hook rebound when being hoisted, make two U-shaped pieces drive same second U-shaped plate rebound, the second U-shaped plate compresses spring and elastic airbag at the in-process that removes, the shock attenuation effect has been reached, adopt two lifting hooks to hoist and mount, the messenger is higher at the in-process stability of hoist and mount, the part is difficult to appear the slope, the danger coefficient is low, possess the buffering antidetonation function simultaneously at the in-process of hoist and mount, can effectually reduce its vibrations power that lifts by crane the in-process and produce to the part in lifting by crane promptly, bring very big convenience for the use.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic bottom perspective view of the present invention;

fig. 3 is a schematic left-side view of the three-dimensional structure of the present invention;

fig. 4 is an enlarged perspective view of the area a in fig. 2.

In the figure: 1. a hoisting mechanism; 2. a suspension arm; 3. pulling a rope; 4. a first U-shaped plate; 5. a transverse plate; 6. a second U-shaped plate; 7. a U-shaped block; 8. a screw; 9. a moving block; 10. a hook; 11. connecting blocks; 12. a circular block; 13. a flexible steel cord; 14. a cross bar; 15. a motor; 16. a vertical rod; 17. a spring; 18. an elastic air bag; 19. an arc-shaped block; 20. a first fixed pulley; 21. a second fixed pulley.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a large-scale wind power generator cabin hoisting device comprises a hoisting mechanism 1, wherein the hoisting mechanism 1 comprises a hoisting arm 2, a U-shaped block 7, a hoisting hook 10 and an elastic air bag 18;

the front side of davit 2 is equipped with first U-shaped plate 4, the same diaphragm 5 of the bottom both sides fixedly connected with of first U-shaped plate 4, be equipped with second U-shaped plate 6 in the first U-shaped plate 4, the bottom both sides of second U-shaped plate 6 all extend to the below of diaphragm 5, the outside at second U-shaped plate 6 is established to diaphragm 5 slip cap, the equal fixedly connected with U-shaped piece 7 in bottom both sides of second U-shaped plate 6, it is connected with same screw rod 8 to rotate between the both sides inner wall of U-shaped piece 7, the outside threaded connection of screw rod 8 has movable block 9, the below of movable block 9 is equipped with lifting hook 10, the dead effect of lock has been played in setting up of screw rod 8, screw rod 8 rotates the movable block 9 removal that drives the correspondence.

In this embodiment, specifically: the top fixedly connected with connecting block 11 of lifting hook 10, the top fixedly connected with circular block 12 of connecting block 11, the effect of connecting has been played in setting up of circular block 12, and circular block 12 drives corresponding connecting block 11 and removes, and connecting block 11 drives corresponding lifting hook 10 and removes.

In this embodiment, specifically: the top fixedly connected with flexible steel cable 13 of circular piece 12, the top of flexible steel cable 13 and the bottom fixed connection of the movable block 9 that corresponds, flexible steel cable 13 has played the effect of connecting, and movable block 9 drives the flexible steel cable 13 that corresponds and removes, and flexible steel cable 13 drives the circular piece 12 that corresponds and removes.

In this embodiment, specifically: the same cross rod 14 is fixedly connected between the inner walls of the two sides of the U-shaped block 7, and the moving block 9 is slidably sleeved on the outer side of the cross rod 14.

In this embodiment, specifically: the two U-shaped blocks 7 are respectively and fixedly connected with a motor 15 on one side far away from each other, the end part of an output shaft of each motor 15 is fixedly connected with the end part of the corresponding screw 8, the top of the transverse plate 5 is fixedly connected with two vertical rods 16, the motors 15 are arranged to achieve an automatic effect, the motors 15 drive the corresponding screws 8 to rotate, and the screws 8 rotate to drive the corresponding movable blocks 9 to move.

In this embodiment, specifically: the second U-shaped plate 6 slides and is established in the outside of two montants 16, two springs 17 of fixedly connected with between the top inner wall of second U-shaped plate 6 and the top of diaphragm 5, and the spring 17 movable sleeve is established in the outside of corresponding montant 16, and the setting of spring 17 has played the absorbing effect of buffering, and second U-shaped plate 6 compresses spring 17 at the in-process that removes.

In this embodiment, specifically: the same elastic air bag 18 of fixedly connected with between the top inner wall of second U-shaped plate 6 and the top of diaphragm 5, the top fixedly connected with arc piece 19 of first U-shaped plate 4, the top fixedly connected with stay cord 3 of arc piece 19, the setting of elastic air bag 18 has played the buffering shock attenuation, and second U-shaped plate 6 compresses elastic air bag 18 at the in-process that removes.

In this embodiment, specifically: the top of the boom 2 is rotatably connected with a first fixed pulley 20 and a second fixed pulley 21, the end of the pull rope 3 passes by the corresponding first fixed pulley 20 and second fixed pulley 21, and the arrangement of the first fixed pulley 20 and the second fixed pulley 21 has the effect of reducing friction.

According to the working principle or the structural principle, a crane drives a suspension arm 2 to move, the suspension arm 2 drives a first U-shaped plate 4 to move through a pull rope 3, so that the suspension arm moves to the upper part of a component, an external hoister drives the first U-shaped plate 4 to move downwards through the pull rope 3, the pull rope 3 slides on the outer sides of a first fixed pulley 20 and a second fixed pulley 21, the arrangement of the first fixed pulley 20 and the second fixed pulley 21 plays a role in reducing friction, the first U-shaped plate 4 drives two U-shaped blocks 7 to move downwards, the U-shaped blocks 7 drive corresponding lifting hooks 10 to move downwards to proper positions, when the distance between the two lifting hooks 10 needs to be adjusted, a motor 15 is started, the motor 15 drives corresponding screw rods 8 to rotate, the screw rods 8 rotate to drive corresponding moving blocks 9 to move, the moving blocks 9 slide on the outer sides of corresponding cross rods 14, the moving blocks 9 drive corresponding flexible steel ropes 13 to move, the flexible steel rope 13 drives the corresponding circular block 12 to move, the circular block 12 drives the corresponding connecting block 11 to move, the connecting block 11 drives the corresponding lifting hook 10 to move, thereby adjusting the position between the two lifting hooks 10, facilitating the lifting of parts of different specifications, hanging the lifting hooks 10 on the top of the parts, starting an external lifting machine, driving the first U-shaped plate 4 to move upwards by the lifting machine through the pull rope 3, driving the two U-shaped blocks 7 to move upwards by the first U-shaped plate 4, driving the corresponding lifting hooks 10 to move upwards by the U-shaped blocks 7, driving the same part to move upwards by the two lifting hooks 10, improving the stability, when the part is lifted, under the action of gravity, the part drives the lifting hooks 10 to move downwards, the lifting hooks 10 drive the corresponding connecting block 11 to move downwards, the connecting block 11 drives the corresponding circular block 12 to move downwards, the corresponding flexible steel rope 13 is driven by the circular block 12 to move downwards, flexible steel cable 13 drives corresponding movable block 9 and removes, movable block 9 drives U-shaped block 7 through corresponding horizontal pole 14 and moves down, two U-shaped blocks 7 drive same second U-shaped plate 6 and move down, second U-shaped plate 6 slides in the outside of two montants 16, second U-shaped plate 6 compresses spring 17 at the in-process that removes, second U-shaped plate 6 compresses elasticity gasbag 18 at the in-process that removes, under the effect of elasticity gasbag 18 and spring 17 self elasticity, thereby reached buffering absorbing effect.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The hoisting equipment for the large wind turbine engine room is characterized by comprising a hoisting mechanism (1), wherein the hoisting mechanism (1) comprises a hoisting arm (2), a U-shaped block (7), a lifting hook (10) and an elastic air bag (18);

the front side of davit (2) is equipped with first U-shaped board (4), the same diaphragm (5) of the bottom both sides fixedly connected with of first U-shaped board (4), be equipped with second U-shaped board (6) in first U-shaped board (4), the bottom both sides of second U-shaped board (6) all extend to the below of diaphragm (5), diaphragm (5) slip cap is established in the outside of second U-shaped board (6), the equal fixedly connected with U-shaped piece (7) in bottom both sides of second U-shaped board (6), it is connected with same screw rod (8) to rotate between the both sides inner wall of U-shaped piece (7), the outside threaded connection of screw rod (8) has movable block (9), the below of movable block (9) is equipped with lifting hook (10).

2. Large wind turbine nacelle lifting equipment according to claim 1, characterised in that: the top fixedly connected with connecting block (11) of lifting hook (10), the top fixedly connected with circular piece (12) of connecting block (11).

3. Large wind turbine nacelle lifting equipment according to claim 2, characterized in that: the top of the circular block (12) is fixedly connected with a flexible steel rope (13), and the top end of the flexible steel rope (13) is fixedly connected with the bottom of the corresponding moving block (9).

4. Large wind turbine nacelle lifting equipment according to claim 1, characterised in that: the movable block is characterized in that the same cross rod (14) is fixedly connected between the inner walls of the two sides of the U-shaped block (7), and the movable block (9) is slidably sleeved on the outer side of the cross rod (14).

5. Large wind turbine nacelle lifting equipment according to claim 1, characterised in that: two one side that U-shaped piece (7) kept away from each other all is fixedly connected with motor (15), the output shaft tip of motor (15) and the tip fixed connection of corresponding screw rod (8), the top fixed connection of diaphragm (5) has two montants (16).

6. Large wind turbine nacelle lifting equipment according to claim 1, characterised in that: the second U-shaped plate (6) is slidably sleeved on the outer sides of the two vertical rods (16), two springs (17) are fixedly connected between the inner wall of the top of the second U-shaped plate (6) and the top of the transverse plate (5), and the springs (17) are movably sleeved on the outer sides of the corresponding vertical rods (16).

7. Large wind turbine nacelle lifting equipment according to claim 6, characterized in that: the utility model discloses a building curtain wall structure, including first U-shaped plate (6), the same elasticity gasbag (18) of fixedly connected with between the top inner wall of second U-shaped plate (6) and the top of diaphragm (5), the top fixedly connected with arc piece (19) of first U-shaped plate (4), the top fixedly connected with stay cord (3) of arc piece (19).

8. Large wind turbine nacelle lifting device according to claim 7, characterized in that: the top of the suspension arm (2) is rotatably connected with a first fixed pulley (20) and a second fixed pulley (21), and the end part of the pull rope (3) bypasses the corresponding first fixed pulley (20) and the second fixed pulley (21).