CN212669020U

CN212669020U - Temporary folding arm crane in cabin of wind generating set

Info

Publication number: CN212669020U
Application number: CN202021019558.1U
Authority: CN
Inventors: 赵洪志
Original assignee: Beijing Guodian Sida Technology Co ltd
Current assignee: Beijing Guodian Sida Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-09
Anticipated expiration: 2030-06-05

Abstract

The utility model belongs to the technical field of loop wheel machine, concretely relates to temporary folding arm hanger in wind generating set cabin, the folding arm hanger comprises a base, a column, a main cantilever locking part, a main cantilever, an auxiliary cantilever locking part, an auxiliary cantilever and an electric block; the upright column comprises a first column body and a second column body; a third column is arranged at the end part of the main cantilever; the second column body is connected with the base, the main cantilever is sleeved on the first column body, and the main cantilever locking part is used for fixing the stand column and the main cantilever; the auxiliary cantilever is arranged above the main cantilever; the auxiliary cantilever is sleeved on the third column body, and the auxiliary cantilever locking part is used for fixing the main cantilever and the auxiliary cantilever. The device of the utility model can make the heavy object move in a tower cylinder in a multi-angle and multi-azimuth manner. The utility model discloses a roll over arm and hang easy operation, quick detachable, easy installation, easy transport, easy equipment can realize hanging the thing in the tower section of thick bamboo, the effectual tower section of thick bamboo of having protected has reduced operating personnel's intensity of labour, has improved work efficiency.

Description

Temporary folding arm crane in cabin of wind generating set

Technical Field

The utility model belongs to the technical field of the loop wheel machine, concretely relates to wind generating set cabin is temporarily with rolling over arm and hanging.

Background

When the maintenance operation is carried out in the cabin of the wind generating set, the work of disassembling, installing, moving and the like of parts is involved. Because wind generating set cabin inner space is limited, the weight of partial spare part is great, and the mounted position is narrow and small, and the dismouting is difficult with the process of moving, and personnel are tired easily, appear personnel injured's condition moreover easily. The new and old parts are hoisted from the ground to the engine room outside the engine room, the height of the engine room is high, the wind speed and the wind direction are not fixed outdoors, a heavy object is blown to collide the tower drum, the tower drum is not protected, and the tower drum is damaged in the hoisting process.

The existing folding arm crane has the defects of complex installation process and high requirement on the technical requirements of personnel; and the single piece of the cantilever crane has larger weight and high installation requirement; the cross beam is lack of support, and the cross beam can bend downwards when a heavy object is hung, so that the lifting height is influenced; the heavy object is still hoisted outside the tower barrel, so that the risk of damaging the tower barrel is caused; the device is suitable for long-term fixed installation, and a single piece is heavy and is not suitable for moving; the mounting surface is required to be horizontal, so that the method is not suitable for a wind generating set; the upper hoisting limit is about 100kg, and the requirement of maintenance in the engine room of the wind generating set can not be met.

Therefore, it is significant to develop a folding arm hanger capable of solving the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a temporary folding arm crane in a cabin of a wind generating set, which comprises a base, a stand column, a main cantilever locking part, a main cantilever, an auxiliary cantilever locking part, an auxiliary cantilever and an electric hoist;

the upright column comprises a first column body and a second column body; the first column body is fixedly arranged above the second column body; the axis of the first column body is superposed with the axis of the second column body;

a third column is arranged at the end part of the main cantilever and fixedly arranged above the main cantilever;

the second column body is connected with the base, the main cantilever is sleeved on the first column body, and the main cantilever locking part is used for fixing the upright column and the main cantilever;

the auxiliary cantilever is arranged above the main cantilever; the auxiliary cantilever is sleeved on the third column body, and the auxiliary cantilever locking part is used for fixing the main cantilever and the auxiliary cantilever;

the auxiliary cantilever is provided with a hanging lug, and the electric block is arranged on the hanging lug.

Furthermore, the folding arm crane also comprises a first bearing and a second bearing;

the first bearing is sleeved on the first cylinder; the second bearing is sleeved on the third cylinder;

a first through hole is formed in the end part of the main cantilever, and a first cylinder sleeved with a first bearing is arranged in the first through hole;

and a second through hole is formed in the end part of the auxiliary cantilever, and a third cylinder sleeved with a second bearing is arranged in the second through hole.

Further, the base comprises a connecting panel, two supporting plates, four rib plates and a bottom plate;

one end of each supporting plate and one end of each rib plate are connected with the bottom plate, and the other end of each supporting plate and the other end of each rib plate are connected with the connecting panel;

and a plurality of third through holes are formed in the connecting panel.

Further, the two support plates are arranged in parallel;

two rib plates are fixedly mounted on each supporting plate and arranged on the same side of the supporting plate.

Further, the bottom plate is in a trapezoidal shape; four first threaded holes are formed in the periphery of the bottom plate;

a fourth through hole is formed in the middle of the supporting plate; and four second threaded holes are formed in the periphery of each supporting plate.

Furthermore, the upright posts are made of steel; a first flange plate is arranged below the second column body, and a bolt penetrates through a hole in the first flange plate and a third through hole in the connecting panel to be detachably connected with the base.

Furthermore, a plurality of mounting lugs are arranged at the upper end of the second column body;

and a second flange plate is arranged at the end part of the main cantilever and is arranged below the first through hole.

Furthermore, the second flange plate is arranged above the second column body, and the main cantilever locking part penetrates through the hole of the second flange plate and the mounting lug to detachably mount the main cantilever on the stand column.

Further, a third flange is arranged above the other end of the main cantilever; the third column is arranged above the third flange plate;

and a fourth flange plate is arranged at the end part of the auxiliary cantilever and is arranged below the second through hole.

Furthermore, the fourth flange plate is arranged above the third flange plate, and the auxiliary cantilever locking part penetrates through the hole of the fourth flange plate and the hole of the third flange plate, so that the auxiliary cantilever can be detachably mounted on the main cantilever;

the main cantilever locking part and the auxiliary cantilever locking part are any one of a pin and a bolt.

The utility model has the advantages that:

the utility model provides a problem about, that remove about the heavy object in the wind generating set cabin to realized hanging the thing in the tower section of thick bamboo, effectively avoided the damage problem of a tower section of thick bamboo. The device of the utility model can make the heavy object move in a tower cylinder in a multi-angle and multi-azimuth manner. The utility model discloses a roll over arm and hang easy operation requires lowly to operation personnel's technical merit, and the base can be processed according to different models, and quick detachable, easy installation, easy transport, easy equipment are arranged and are used electric block, can realize hanging thing in the tower section of thick bamboo, and the effectual tower section of thick bamboo that has protected has reduced operating personnel's intensity of labour, has improved work efficiency.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended 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 creative efforts.

FIG. 1 is a front view of a temporary folding arm crane in a nacelle of a wind turbine generator system according to the embodiment;

FIG. 2 is a schematic view of the column of the present embodiment;

FIG. 3 is a schematic view of the main boom of the present embodiment;

FIG. 4 is a schematic view of the auxiliary cantilever of the present embodiment;

FIG. 5 is a schematic diagram of the connection between the main boom and the auxiliary boom of the present embodiment;

fig. 6 is a schematic view of the base of the present embodiment.

The novel electric hoist comprises a base 1, a first column 2, a second column 3, a main cantilever locking part 4, a main cantilever 5, an auxiliary cantilever locking part 6, an auxiliary cantilever 7, an electric hoist 8, a third column 9, a hanging lug 10, a first through hole 11, a second through hole 12, a connecting panel 13, a supporting plate 14, a rib plate 15, a bottom plate 16, a third through hole 17, a first threaded hole 18, a fourth through hole 19, a second threaded hole 20, a first flange 21, a mounting lug 22, a second flange 23, a third flange 24 and a fourth flange 25.

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 are clearly and completely described below with reference to the 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 work belong to the protection scope of the present invention.

It is to be understood that the use of the terms first, second, third, fourth, etc. do not denote any order or importance, but rather are used to implicitly indicate a number of the indicated technical features, but rather are used to distinguish one element from another. The terms "comprises" and/or "comprising" are inclusive and therefore specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof.

The embodiment provides a temporary arm folding crane for a cabin of a wind generating set, and the arm folding crane comprises a base 1, a stand column, a main cantilever locking part 4, a main cantilever 5, an auxiliary cantilever locking part 6, an auxiliary cantilever 7 and an electric hoist 8, as shown in fig. 1.

One end of the main cantilever 5 is connected with the upright post, and the other end of the main cantilever 5 is connected with the auxiliary cantilever 7; the auxiliary boom 7 is arranged above the main boom 5. The upright column is vertically arranged, and the main cantilever 5 and the auxiliary cantilever 7 are both horizontally arranged.

Fig. 2 is a schematic view of the pillar of the present embodiment, and as shown in fig. 2, the pillar includes a first column 2 and a second column 3; the first column body 2 is fixedly arranged above the second column body 3; the axis of the first cylinder 2 coincides with the axis of the second cylinder 3. A first flange 21 is arranged below the second cylinder 3. The upper end of the second cylinder 3 is provided with a mounting lug 22. The utility model discloses do not do the restriction to the quantity of installation ear 22, the quantity of installation ear 22 can be a plurality of, and the skilled in the art personnel can select according to the user demand. As an example, the material of the upright post can be steel. The upright column can be a seamless steel pipe, and is light in weight and high in strength.

The second cylinder 3 is connected with the base 1, the main cantilever 5 is sleeved on the first cylinder 2, and the main cantilever locking part is used for fixing the upright column and the main cantilever 5;

the auxiliary cantilever 7 is arranged above the main cantilever 5; the auxiliary cantilever 7 is sleeved on the third column 9, and the auxiliary cantilever locking part 6 is used for fixing the main cantilever 5 and the auxiliary cantilever 7;

the auxiliary cantilever 7 is provided with a hanging lug 10, and the electric hoist 8 is arranged on the hanging lug 10.

Fig. 3 is a schematic view of the main boom of the present embodiment, and as shown in fig. 3, one end of the main boom 5 is provided with a first through hole 11, an end of the main boom 5 is provided with a second flange 23, and the second flange 23 is disposed below the first through hole 11.

A third flange 24 is provided above the other end of the main boom 5. The other end of main cantilever 5 is provided with third cylinder 9, third cylinder 9 fixed mounting be in main cantilever 5's top. The third column 9 is arranged above the third flange 24;

fig. 4 is a schematic view of the auxiliary cantilever according to the present embodiment, and as shown in fig. 4, the end of the auxiliary cantilever 7 is provided with a second through hole 12, the end of the auxiliary cantilever 7 is provided with a fourth flange 25, and the fourth flange 25 is disposed below the second through hole 12.

Fig. 5 is a schematic diagram of the connection between the main boom and the auxiliary boom of this embodiment, as shown in fig. 5, the fourth flange 25 is disposed above the third flange 24, and the auxiliary boom locking part 6 passes through the hole of the fourth flange 25 and the hole of the third flange 24, so as to detachably mount the auxiliary boom 7 on the main boom 5.

The folding arm crane further comprises a first bearing and a second bearing; the first bearing is sleeved on the first cylinder 2; the second bearing is sleeved on the third cylinder 9; the first cylinder 2 sleeved with the first bearing is arranged in the first through hole 11; a third cylinder 9 provided with a second bearing is arranged in the second through hole 12.

The second flange plate 23 is arranged above the second column body 3, and the main cantilever locking part 4 penetrates through the hole of the second flange plate 23 and the mounting lug 22 to detachably mount the main cantilever 5 on the column.

The main cantilever locking part 4 and the auxiliary cantilever locking part 6 are any one of pins and bolts.

Fig. 6 is a schematic view of the base 1 of the present embodiment, and as shown in fig. 6, the base 1 includes a connection panel 13, two support plates 14, four rib plates 15, and a bottom plate 16; the four rib plates 15 and the two support plates 14 are both arranged on the bottom plate 16, one end of each support plate 14 and one end of each rib plate 15 are both connected with the bottom plate 16, and the other end of each support plate 14 and the other end of each rib plate 15 are both connected with the connecting panel 13; the connection panel 13 is provided with a plurality of third through holes 17.

The two supporting plates 14 are arranged in parallel; the rib plates 15 are fixedly connected with the supporting plates 14, two rib plates 15 are fixedly mounted on each supporting plate 14, the two rib plates 15 are arranged on the same side of the supporting plate 14, and the rib plates 15 are used for keeping the stability of the whole base 1.

The bottom plate 16 is in a trapezoidal shape; four first threaded holes 18 are formed in the periphery of the bottom plate 16; the bottom plate 16 and wind generating set's frame surface contact, the bottom plate 16 can be processed according to the inclination customization of frame and form first screw hole 18 department can install the bolt additional, through first screw hole 18 and bolt can finely tune base 1's levelness, guarantee that base 1's upper surface is the horizontally. The utility model discloses a device can be installed in wind generating set cabin, and the surperficial non-horizontal plane of installation is through adjustment bottom plate 16 when the installation, makes main cantilever 5 and assistance cantilever 7 reach the horizontality, guarantees that hoist and mount are safer, reasonable, reliable.

The gap between the two support plates 14 can be customized according to the size of the lifting lug of the wind generating set frame. A fourth through hole 19 is formed in the middle of the supporting plate 14, and the fourth through hole 19 is concentric with a hanging lug hole of a rack of the wind generating set, so that a connecting pin can be conveniently installed; four second threaded holes 20 are formed in the periphery of each supporting plate 14, bolts can be additionally installed in the second threaded holes 20, the lifting lugs are tightly propped by the bolts, and the base 1 is guaranteed not to incline after being installed on the lifting lugs.

A first flange 21 is arranged below the stand column, and a bolt penetrates through a hole in the first flange 21 and a third through hole 17 in the connecting panel 13 to detachably connect the stand column with the base 1.

The integral design of base 1 can satisfy and be applicable to the installation of wind generating set frame lug, and the upper surface of base 1 adjusts into the level moreover, can provide better platform for equipment fixing. This base 1 and frame connected mode are with base 1 cover on the lug, then penetrate the connecting pin, can tightly be connected base 1 and lug through the bolt of adjusting the bottom plate 16 with backup pad 14 department, and through adjusting the bottom plate 16, make main cantilever 5 and supplementary cantilever 7 reach the horizontality when the installation, guarantee hoist and mount safer, reasonable, reliable. The base 1 has simple integral design, small volume, convenient and visual installation and is suitable for various machine types.

The upper end of the upright is provided with a plurality of mounting ears 22. The end part of the main cantilever 5 is provided with a second flange 23, and the second flange 23 is arranged below the first through hole 11.

The second ring flange 23 sets up the top of stand, the first cylinder 2 that the cover was equipped with first bearing is installed in the first through-hole 11, main cantilever locking part 4 passes the punchhole of second ring flange 23 installation ear 22 realizes installing main cantilever 5 detachable on the stand.

A third flange 24 is provided above the other end of the main boom 5. And a fourth flange 25 is arranged at the end part of the auxiliary cantilever 7, and the fourth flange 25 is arranged below the second through hole 12.

The fourth flange plate 25 is arranged above the third flange plate 24, the third column 9 sleeved with the second bearing is arranged in the second through hole 12, and the auxiliary cantilever locking part 6 penetrates through the hole of the fourth flange plate 25 and the hole of the third flange plate 24 to detachably install the auxiliary cantilever 7 on the main cantilever 5;

the utility model discloses a design is suitable for hoist and mount wide range, can lock in the optional position moreover, guarantees the stability of hoist and mount process. All the part main bodies can be hollow pipes, the overall weight of the crane is reduced, and the sectional design is adopted, so that the parts are more portable and are suitable for assembly and disassembly. The utility model discloses a wind generating set's actual conditions has fully been considered in the design, can satisfy construction on the widest range in narrow and small cabin environment, and the segmentation of the roof beam body is connected the design and has been improved the holistic intensity of the roof beam body moreover, is difficult for producing the recurvation.

The utility model discloses a design adopts suspension type electric block, can use the heavier electric block of volume load, realizes hanging the handling of thing in a tower section of thick bamboo, has avoided the influence of wind direction wind speed to hanging the thing, effectively avoids the injury to a tower section of thick bamboo. Furthermore, when needs are maintained the operation to wind generating set cabin in, can use the utility model discloses the device will the utility model discloses a device is installed in the cabin, the utility model discloses a device installation is simple. When not needing to maintain the operation, can with the utility model discloses a device is dismantled from the under-deck, the utility model discloses a device dismantles conveniently.

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

1. A temporary folding arm crane for a cabin of a wind generating set is characterized by comprising a base (1), a stand column, a main cantilever locking part (4), a main cantilever (5), an auxiliary cantilever locking part (6), an auxiliary cantilever (7) and an electric hoist (8);

the upright column comprises a first column body (2) and a second column body (3); the first column body (2) is fixedly arranged above the second column body (3); the axis of the first cylinder (2) coincides with the axis of the second cylinder (3);

a third column (9) is arranged at the end part of the main cantilever (5), and the third column (9) is fixedly arranged above the main cantilever (5);

the second cylinder (3) is connected with the base (1), the main cantilever (5) is sleeved on the first cylinder (2), and the main cantilever locking part (4) is used for fixing the upright column and the main cantilever (5);

the auxiliary cantilever (7) is arranged above the main cantilever (5); the auxiliary cantilever (7) is sleeved on the third column (9), and the auxiliary cantilever locking part (6) is used for fixing the main cantilever (5) and the auxiliary cantilever (7);

the auxiliary cantilever (7) is provided with a hanging lug (10), and the electric hoist (8) is arranged on the hanging lug (10).

2. The temporary folding arm crane for the nacelle of the wind generating set according to claim 1, wherein the folding arm crane further comprises a first bearing and a second bearing;

the first bearing is sleeved on the first cylinder (2); the second bearing is sleeved on the third cylinder (9);

a first through hole (11) is formed in the end part of the main cantilever (5), and a first cylinder (2) sleeved with a first bearing is arranged in the first through hole (11);

the end part of the auxiliary cantilever (7) is provided with a second through hole (12), and a third cylinder (9) sleeved with a second bearing is arranged in the second through hole (12).

3. The temporary folding arm crane in the nacelle of the wind generating set according to claim 1, wherein the base (1) comprises a connecting panel (13), two supporting plates (14), four rib plates (15) and a bottom plate (16);

one end of each supporting plate (14) and one end of each rib plate (15) are connected with the bottom plate (16), and the other end of each supporting plate (14) and the other end of each rib plate (15) are connected with the connecting panel (13);

the connecting panel (13) is provided with a plurality of third through holes (17).

4. Temporary folding arm crane in the nacelle of a wind turbine generator system according to claim 3, wherein two support plates (14) are arranged in parallel;

two rib plates (15) are fixedly mounted on each supporting plate (14), and the two rib plates (15) are arranged on the same side of the supporting plate (14).

5. Temporary boom crane in a wind park according to claim 3, wherein the floor (16) is trapezoidal in shape; four first threaded holes (18) are formed in the periphery of the bottom plate (16);

a fourth through hole (19) is formed in the middle of the supporting plate (14); four second threaded holes (20) are formed in the periphery of each supporting plate (14).

6. The temporary folding arm crane for the nacelle of the wind generating set according to claim 3, wherein the upright is made of steel; a first flange plate (21) is arranged below the second column body (3), and a bolt penetrates through a hole in the first flange plate (21) and a third through hole (17) in the connecting panel (13) to be detachably connected with the base (1).

7. The temporary folding arm crane in the engine room of the wind generating set according to claim 1, wherein the upper end of the second column body (3) is provided with a plurality of mounting lugs (22);

the end part of the main cantilever (5) is provided with a second flange plate (23), and the second flange plate (23) is arranged below the first through hole (11).

8. The temporary folding arm crane in the nacelle of the wind generating set according to claim 7, wherein the second flange (23) is arranged above the second column (3), and the main cantilever locking part (4) passes through the hole of the second flange (23) and the mounting lug (22) to realize the detachable mounting of the main cantilever (5) on the column.

9. The temporary folding arm crane in the nacelle of the wind generating set according to claim 7, wherein a third flange (24) is arranged above the other end of the main cantilever (5); the third column (9) is arranged above the third flange plate (24);

the end part of the auxiliary cantilever (7) is provided with a fourth flange plate (25), and the fourth flange plate (25) is arranged below the second through hole (12).

10. The temporary folding arm crane in the nacelle of the wind generating set according to claim 9, wherein the fourth flange (25) is arranged above the third flange (24), and the auxiliary cantilever locking part (6) passes through the hole of the fourth flange (25) and the hole of the third flange (24) to realize the detachable installation of the auxiliary cantilever (7) on the main cantilever (5);

the main cantilever locking part (4) and the auxiliary cantilever locking part (6) are any one of pins and bolts.