CN214359907U - Telescopic hoisting device - Google Patents

Abstract

The utility model discloses a scalable hoisting accessory, including a plurality of supporting legs, the height-adjustable of supporting leg, the top of a plurality of supporting legs is equipped with a supporting bench, is equipped with the guide rail on the supporting bench, is equipped with the turning portion on the guide rail, and the guide rail reciprocating sliding can be followed to the turning portion, and the turning portion can also be equipped with the portion of lifting by crane in the horizontal plane internal rotation on the turning portion. Through the telescopic function of the supporting legs and the rotation function of the rotation part, the lifting device can meet the lifting operation requirement of a narrow space in the wind turbine generator, is compact in structure and convenient to use, and improves the maintenance convenience of large spare parts in the wind turbine generator.

Description

Telescopic hoisting device

Technical Field

The utility model relates to a lifting means technical field especially relates to a scalable hoisting accessory.

Background

At present, various faults of a wind generating set are frequent, most spare parts in the set with the faults need to be replaced, and the most spare parts need to be carried to the fault equipment from a lifting hole during replacement. Carry out the transport of major part spare part through the manual work usually among the prior art, because major part spare part is heavier, often need many people's cooperation transport, not only increased the human cost, have certain potential safety hazard moreover. Moreover, the existing hoisting device cannot perform hoisting operation in a narrow space inside the wind turbine generator and cannot adapt to a working scene in which internal equipment of the wind turbine generator is relatively dense. Therefore, a hoisting device suitable for the internal operation of the wind turbine generator needs to be developed.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

To the problem pointed out in the background art, the utility model provides a scalable hoisting accessory, it can be applicable to the operation requirement that lifts by crane in the inside narrow and small space of wind turbine generator system, compact structure, convenient to use improve the maintenance convenience of major part spare part in the wind turbine generator system.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

the utility model provides a scalable hoisting accessory, a serial communication port, including a plurality of supporting legs, the height-adjustable of supporting leg is a plurality of the top of supporting leg is equipped with a supporting bench, be equipped with the guide rail on the supporting bench, be equipped with the turning portion on the guide rail, the turning portion can be followed the guide rail slides reciprocally, the turning portion can also be at the horizontal plane internal rotation, be equipped with the portion of lifting on the turning portion.

In some embodiments of the present application, the revolving portion includes a revolving support bearing and a first mounting platform, the revolving support bearing is connected to the first mounting platform, the lifting portion can rotate along with the revolving support bearing, and the first mounting platform is connected to the guide rail in a sliding manner.

In some embodiments of the present application, a second mounting platform is disposed on the slewing bearing, and the hoisting portion is disposed on the second mounting platform.

In some embodiments of the present application, the lifting portion includes a suspension arm, a lifting rope and a driving portion, the suspension arm is provided with a plurality of fixed pulleys, one end of the lifting rope is connected to the driving portion, the other end of the lifting rope passes through the fixed pulleys, and the suspension arm and the driving portion are both disposed on the second mounting platform.

In some embodiments of the present application, the suspension arm includes a transverse arm and a vertical arm, the transverse arm is connected to the vertical arm, the transverse arm is provided with a plurality of fixed pulleys at intervals, and the vertical arm is connected to the second mounting platform.

In some embodiments of the present application, the free end of the transverse arm extends outwardly from the support platform in a vertical direction.

In some embodiments of this application, the supporting leg includes outer tube and inner tube, the inner tube slides and wears to locate in the outer tube, the outer tube is equipped with a plurality of first locating holes along its length direction interval, the inner tube is equipped with a plurality of second locating holes along its length direction interval, first locating hole with wear to establish the bolt in the second locating hole in order with the outer tube with the inner tube is fixed.

In some embodiments of the present application, the bottom of outer tube is equipped with the universal wheel, the top of inner tube with the brace table is connected.

In some embodiments of the present application, the inner tube is foldable relative to the support table.

In some embodiments of the present application, the number of the support legs is four, and the support legs are correspondingly connected with four corners of the support platform.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the utility model discloses scalable hoisting accessory when using, according to the size in operation space, adjusts the supporting leg to suitable height, according to the position of waiting to lift by crane the article, rotates suitable position department with the turning part, and the portion of lifting by crane rotates along with the turning part, slides the turning part along the guide rail simultaneously to make the portion of lifting by crane lift by crane article smoothly. The lifting device can be conveniently moved and installed in the wind turbine generator through the telescopic function of the supporting legs. The position of the lifting part can be conveniently moved through the rotation function of the rotation part, so that the lifting part can be moved to the upper part of an object to be lifted, and the lifting is convenient. The lifting device can meet the lifting operation requirement of a narrow space in the wind turbine generator, is compact in structure and convenient to use, and improves the maintenance convenience of large spare parts in the wind turbine generator.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

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

Fig. 1 is a schematic structural view of a telescopic lifting device according to an embodiment;

fig. 2 is a schematic structural view of the telescopic lifting device according to the embodiment, viewed from another perspective;

FIG. 3 is a partial cross-sectional schematic view of a support leg according to an embodiment.

Reference numerals:

10-support legs, 11-outer tubes, 12-inner tubes, 13-bolts, 14-first positioning holes, 15-second positioning holes and 16-universal wheels;

20-supporting table;

30-hoisting part, 31-hoisting arm, 311-transverse arm, 312-vertical arm, 32-hoisting rope, 33-driving part, 34-hook and 35-fixed pulley;

40-a guide rail;

50-a revolving part, 51-a revolving support bearing, 52-a first mounting platform;

60-a second mounting platform.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The telescopic lifting device in the embodiment is suitable for the lifting operation requirement of the narrow space in the wind turbine generator, is compact in structure and convenient to use, and improves the maintenance convenience of large spare parts in the wind turbine generator.

Referring to fig. 1 and 2, the telescopic lifting device in the present embodiment includes a plurality of support legs 10, the height of the support legs 10 is adjustable, a support table is provided on the top of the plurality of support legs 10, a guide rail 40 is provided on the support table 10, a revolving portion 50 is provided on the guide rail 40, the revolving portion 50 can slide back and forth along the guide rail 40, the revolving portion 40 can also rotate in the horizontal plane, and a lifting portion 30 is provided on the revolving portion 40.

When the lifting device is used, the supporting legs 10 are adjusted to be at proper heights according to the size of the operation space, the rotary part 50 is rotated to be at a proper position according to the position of an object to be lifted, the lifting part 30 rotates along with the rotary part 50, and meanwhile, the rotary part 50 slides along the guide rail 40, so that the lifting part 30 can smoothly lift the object.

The embodiment is convenient for realizing the movement and installation of the hoisting device in the wind turbine generator through the telescopic function of the supporting legs 10.

In the present embodiment, the position of the lifting part can be conveniently moved by the rotation function of the rotation part 50, so that the lifting part 30 can be moved to the upper part of the object to be lifted, thereby facilitating the lifting.

For the specific arrangement of the revolving portion 50, in the embodiment, the revolving portion 50 includes a revolving support bearing 51 and a first mounting platform 52, the revolving support bearing 51 is connected with the first mounting platform 52, and the hoisting portion 30 can rotate together with the revolving support bearing 51. The first mounting platform 52 is slidably coupled to the rail 40 to enable movement of the lifting portion 30 along the rail 40.

A limiting structure, such as a positioning pin, a positioning block, etc., may be disposed between the rotary support bearing 51 and the first mounting platform 52, so that the rotary support bearing 51 can be fixed at a specific position after rotating in place, thereby facilitating subsequent hoisting, and preventing the hoisting part 30 from rotating during hoisting to affect the reliability and safety of hoisting operation. For the specific setting of the limiting structure, reference may be made to the prior art, and details are not repeated in this embodiment.

For the specific arrangement of the lifting part 30, the second mounting platform 60 is arranged on the rotary support bearing 51, and the lifting part 30 is arranged on the second mounting platform 60, so that the mounting of the lifting part 30 and the rotary motion of the lifting part 30 along with the rotary support bearing 51 are realized.

As a specific embodiment, the lifting part 30 comprises a boom 31, a lifting rope 32 and a driving part 33, the boom 31 is provided with a plurality of fixed pulleys 35, one end of the lifting rope 32 is connected with the driving part 33, the other end of the lifting rope 32 passes through the fixed pulleys 35, and the end of the lifting rope 32 is connected with a hook 34. The fixed pulley 35 supports and guides the hoist rope 32. The driving part 33 may be a motor. The boom 31 and the driving portion 33 are both provided on the second mounting platform 60.

For the specific arrangement of the boom 31, the boom 31 is an L-shaped structure, and includes a transverse arm 311 and a vertical arm 312, the transverse arm 311 is connected to the vertical arm 312, a plurality of fixed pulleys 35 are arranged on the transverse arm 311 at intervals, and the vertical arm 312 is connected to the second mounting platform 60.

Along the vertical direction, the free end of the transverse arm 311 extends out of the supporting platform 20, so that the lifting hook 34 can be ensured to extend out of the supporting platform 20 no matter where the lifting part 30 rotates, and the interference of the lifted object with the supporting platform 20 is avoided. In fig. 1 and 2, the lifting part 30 is in different rotational positions.

The telescopic function for the support leg 10 is achieved by the following structure: referring to fig. 3, the supporting leg 10 includes an outer tube 11 and an inner tube 12, the inner tube 12 is slidably inserted into the outer tube 11, the outer tube 11 is provided with a plurality of first positioning holes 14 along a length direction thereof at intervals, the inner tube 12 is provided with a plurality of second positioning holes 15 along a length direction thereof at intervals, and the outer tube 11 and the inner tube 12 are fixed by inserting bolts 13 into the first positioning holes 14 and the second positioning holes 15 facing each other.

When the height of the supporting leg 10 needs to be adjusted, the bolt 13 is unscrewed, the inner tube 12 is drawn to a proper position along the outer tube 11, and then the bolt 13 is fixed in the corresponding first positioning hole 14 and the second positioning hole 15, so that the height adjustment is completed.

The bottom of the outer tube 11 is provided with universal wheels 16 to facilitate movement of the entire lifting device.

The top of the inner tube 12 is attached to a support stand 20, and the inner tube 12 is foldable relative to the support stand 20. When the hoisting device needs to be carried, the supporting legs 10 can be contracted to the shortest, and then the inner pipes 12 are folded, so that the occupied volume of the whole hoisting device is reduced to the maximum extent, and the hoisting device is convenient to carry. As for the foldable structure between the inner pipe 12 and the supporting leg 10, the prior art can be referred to, and the description of the embodiment is omitted.

The supporting legs 10 have four, and four supporting legs 10 correspond with four angles of brace table 20 and are connected, support more firm reliable.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a scalable hoisting accessory, its characterized in that, includes a plurality of supporting legs, the height-adjustable of supporting leg is a plurality of the top of supporting leg is equipped with a supporting bench, be equipped with the guide rail on the supporting bench, be equipped with the gyration portion on the guide rail, the gyration portion can be followed the guide rail is reciprocal to be slided, the gyration portion can also be at the horizontal plane internal rotation, be equipped with the portion of lifting by crane on the gyration portion.

2. The telescopic lifting device of claim 1,

the slewing portion includes slewing bearing and first mounting platform, slewing bearing with first mounting platform is connected, it can follow to rise the portion of hanging slewing bearing is rotatory, first mounting platform with guide rail sliding connection.

3. The telescopic lifting device of claim 2,

and a second mounting platform is arranged on the rotary support bearing, and the hoisting part is arranged on the second mounting platform.

4. The telescopic lifting device of claim 3,

the lifting part comprises a lifting arm, a lifting rope and a driving part, a plurality of fixed pulleys are arranged on the lifting arm, one end of the lifting rope is connected with the driving part, the other end of the lifting rope penetrates through the fixed pulleys, and the lifting arm and the driving part are arranged on the second mounting platform.

5. The telescopic lifting device of claim 4,

the suspension arm comprises a transverse arm and a vertical arm, the transverse arm is connected with the vertical arm, a plurality of fixed pulleys are arranged on the transverse arm at intervals, and the vertical arm is connected with the second mounting platform.

6. The telescopic lifting device of claim 5,

the free end of the transverse arm extends outwardly from the support table in the vertical direction.

7. The telescopic lifting device according to any one of claims 1 to 6,

the supporting leg includes outer tube and inner tube, the inner tube slides and wears to locate in the outer tube, the outer tube is equipped with a plurality of first locating holes along its length direction interval, the inner tube is equipped with a plurality of second locating holes along its length direction interval, first locating hole with wear to establish the bolt in the second locating hole in order with the outer tube with the inner tube is fixed.

8. The telescopic lifting device of claim 7,

the bottom of outer tube is equipped with the universal wheel, the top of inner tube with the brace table is connected.

9. The telescopic lifting device of claim 8,

the inner tube is foldable relative to the support table.

10. The telescopic lifting device of claim 7,

the supporting legs are four, and the four supporting legs are correspondingly connected with the four corners of the supporting table.

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