CN216105738U - Hoisting device in cabin of wind generating set - Google Patents
Hoisting device in cabin of wind generating set Download PDFInfo
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- CN216105738U CN216105738U CN202122266813.3U CN202122266813U CN216105738U CN 216105738 U CN216105738 U CN 216105738U CN 202122266813 U CN202122266813 U CN 202122266813U CN 216105738 U CN216105738 U CN 216105738U
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- cantilever crane
- folding arm
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Abstract
The utility model discloses a hoisting device in a cabin of a wind generating set, which comprises: the system comprises a cantilever crane supporting beam, a cantilever crane inward-folding arm, a cantilever crane outward-folding arm and a ring chain electric hoist; the cantilever crane supporting beam and the cantilever crane inward-folded arm as well as the cantilever crane inward-folded arm and the cantilever crane outward-folded arm are respectively connected in a rotating way through pin shafts; the cantilever crane outward-folded arm is fixedly connected with the electric chain hoist; the chain of the electric chain hoist is placed in the inner cavity of the outward-folded arm of the cantilever crane. By eliminating a separate chain box of the electric chain hoist with a ring chain and using the inner cavity of the inward-folded arm of the cantilever crane as the chain box, the hoisting assembly has a more compact structure, the space of the inner cavity of the outward-folded arm of the cantilever crane is effectively utilized, and the chain box is not suspended on a motor, so that the risk that the chain box falls due to fatigue fracture of a pin shaft is eliminated; and a maintenance window is additionally arranged, so that the maintenance of the chain of the electric chain hoist at the later stage is facilitated.
Description
Technical Field
The utility model relates to the field of wind power generation equipment manufacturing, in particular to a hoisting device in a cabin of a wind generating set.
Background
At present, in the field of wind generating sets, a cabin of the wind generating set is installed on a tower, the height of the tower is increased to about one hundred and seventy meters from the first dozens of meters, and the weight of parts of the wind generating set is large, so that the hoisting operation needs to be carried out by utilizing a hoisting component during installation and maintenance. For the hoisting assembly, the main technical requirements are simple and convenient operation, safety, reliability, small occupied space, low cost and the like. The hoisting assembly mainly comprises a cantilever crane and a chain electric hoist, and in the using process, a motor of the chain electric hoist, a chain box and a chain are hung on the cantilever crane through a connecting pin shaft.
At present, a cantilever crane and a ring chain electric hoist are combined to be used as a hoisting component in mainstream domestic complete machine manufacturers. As shown in fig. 1, the frame 61 is composed of a main frame and a rear frame, the gear box 62 is connected to the main frame, the generator 64 is located on the rear frame, and the gear box 62 is connected with the generator 64 through a coupling 63; the cantilever crane 65 is connected to the frame 61, the electric chain hoist assembly 66 is connected to the cantilever crane 65 through a pin shaft, and the cantilever crane 65 and the electric chain hoist assembly 66 form an intra-cabin hoisting assembly; two object hanging openings, namely an object hanging opening I67 and an object hanging opening II 68, are arranged in the engine room, the object hanging opening I67 is used for hoisting operation inside the tower barrel, and the object hanging opening II 68 is used for hoisting operation outside the tower barrel.
The existing hoisting assembly mainly comprises a cantilever crane and a ring chain electric hoist; the cantilever crane mainly comprises a cantilever crane supporting beam, a cantilever crane inward-folding arm and a cantilever crane outward-folding arm; the electric chain hoist mainly comprises an electric chain hoist motor, an electric chain hoist chain and a chain box. The cantilever crane supporting beam and the cantilever crane inward-folding arm, the cantilever crane inward-folding arm and the cantilever crane outward-folding arm, the cantilever crane outward-folding arm and the electric chain hoist motor, and the electric chain hoist motor and the electric chain hoist chain and the chain box are respectively connected through different pin shafts.
The prior art scheme has the following defects: the cantilever crane supporting beam is high, and the personnel are inconvenient to adjust; the structure is loose, and the chain case is hung under the motor, so that the occupied space is large; the chain box shakes seriously, the stability is poor, and the connecting pin shaft has a large fracture risk; the chain of the electric chain hoist is inconvenient to maintain.
Disclosure of Invention
The utility model aims to provide a hoisting device in a cabin of a wind generating set, which eliminates the risk of fracture of a chain box mounting pin shaft by canceling the existing chain electric block chain box and taking an inner cavity of an outward-folded arm of a cantilever crane as the chain box of the chain electric block, and reduces the risk of fracture of the motor mounting pin shaft because the motor mounting pin shaft does not bear the weight of a chain any more.
In order to solve the technical problem, an embodiment of the present invention provides a hoisting device in a nacelle of a wind turbine generator system, including: the system comprises a cantilever crane supporting beam, a cantilever crane inward-folding arm, a cantilever crane outward-folding arm and a ring chain electric hoist;
the cantilever crane supporting beam and the cantilever crane inward-folded arm as well as the cantilever crane inward-folded arm and the cantilever crane outward-folded arm are respectively connected in a rotating way through pin shafts; the cantilever crane outward folding arm is fixedly connected with the endless chain electric hoist;
and the chain of the electric chain hoist (4) is placed in the inner cavity of the cantilever crane outward-folding arm.
Further, the side wall of the cantilever crane outward-folding arm is provided with a maintenance window.
Further, the cantilever crane fold-out arm includes: and the maintenance window cover plate corresponds to the maintenance window.
Furthermore, the maintenance window cover plate is detachably connected with the side wall of the cantilever crane outward-folding arm.
Furthermore, one end of the maintenance window cover plate is connected with the cantilever crane outward-folding arm side wall through a fourth rotating shaft, and the other end of the maintenance window cover plate can rotate towards the direction far away from the cantilever crane outward-folding arm side wall by taking the fourth rotating shaft as an axis.
Furthermore, the cantilever crane outward-folded arm is a steel plate fixedly connected.
Furthermore, the cantilever crane support beam is vertically arranged, and the bottom of the cantilever crane support beam is fixedly connected with the mounting platform;
the upper half part of the cantilever crane supporting beam is rotatably connected with two ends of the first pin shaft and is arranged in parallel;
one end of the cantilever crane inward-folding arm is fixedly connected with the first pin shaft and rotates in the horizontal direction by taking the first pin shaft as a shaft.
Further, the cantilever crane support beam includes: a first mounting plate and a second mounting plate;
the first mounting plate is fixedly connected with one end, far away from the mounting platform, of the cantilever crane support beam and is also rotatably connected with one end of the first pin shaft;
the second mounting plate is fixedly connected with the outer side of the side wall of the cantilever crane supporting beam and is also rotatably connected with the other end of the first pin shaft.
Furthermore, the cantilever crane inward-folding arm is horizontally arranged, and one end of the cantilever crane inward-folding arm facing the cantilever crane outward-folding arm is rotatably connected with the cantilever crane outward-folding arm through a second pin shaft;
the axial direction of the second pin shaft is the vertical direction;
the cantilever crane outward-folded arm rotates along the horizontal direction by taking the second pin shaft as an axis.
Furthermore, the ring chain electric hoist is fixedly connected with one end, far away from the cantilever crane inward-folding arm, of the cantilever crane outward-folding arm through a third pin shaft.
The technical scheme of the embodiment of the utility model has the following beneficial technical effects:
by eliminating a separate chain box of the electric chain hoist with a ring chain and using the inner cavity of the inward-folded arm of the cantilever crane as the chain box, the hoisting assembly has a more compact structure, the space of the inner cavity of the outward-folded arm of the cantilever crane is effectively utilized, and the chain box is not suspended on a motor, so that the risk that the chain box falls due to fatigue fracture of a pin shaft is eliminated; and a maintenance window is additionally arranged, so that the maintenance of the chain of the electric chain hoist at the later stage is facilitated.
Drawings
FIG. 1 is a schematic view of a prior art wind turbine generator system hoist assembly;
FIG. 2 is a schematic view of a hoisting device in a nacelle of a wind turbine generator system provided by an embodiment of the utility model;
fig. 3 is a schematic view of a cantilever crane folding arm according to an embodiment of the present invention.
Reference numerals:
1. a cantilever crane supporting beam 2, a cantilever crane inward-folding arm 3, a cantilever crane outward-folding arm 31, a maintenance window 32, a maintenance window cover plate 33, a chain inlet 34, a motor mounting hole 4 and a circular chain electric hoist; 51. the device comprises a first pin shaft 52, a second pin shaft 61, a frame 62, a gear box 63, a coupling 64, a generator 65, a cantilever crane 66, a loop chain electric hoist 67, a first object lifting opening 68 and a second object lifting opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 2, an embodiment of the present invention provides a hoisting device in a nacelle of a wind turbine generator system, including: the device comprises a cantilever crane support beam 1, a cantilever crane inward-folding arm 2, a cantilever crane outward-folding arm 3 and a ring chain electric hoist 4; the cantilever crane supporting beam 1 and the cantilever crane inward-folded arm 2 as well as the cantilever crane inward-folded arm 2 and the cantilever crane outward-folded arm 3 are respectively connected in a rotating way through pin shafts; the cantilever crane outward-folding arm 3 is fixedly connected with the electric chain hoist 4; the chain of the electric chain hoist 4 is arranged in the inner cavity of the cantilever crane outward-folded arm.
Specifically, referring to fig. 3, a maintenance window 31 is disposed on a side wall of the cantilever crane folded-out arm 3.
Further, the cantilever crane fold-out arm 3 includes: and a maintenance window cover 32 corresponding to the maintenance window 31.
Optionally, the maintenance window cover 32 is detachably connected to the side wall of the cantilever crane folding arm 3.
Optionally, one end of the maintenance window cover plate 32 is connected to the side wall of the cantilever crane outward-folding arm 3 through a fourth rotating shaft, and the other end of the maintenance window cover plate can rotate in the direction away from the side wall of the cantilever crane outward-folding arm 3 by taking the fourth rotating shaft as an axis.
The above-mentioned two ways of opening the maintenance window cover 32 are only alternatives for maintaining the window cover 32, and other possible ways of maintaining the window cover 32 are within the scope of the present invention.
Further, the cantilever crane folded-out arm 3 is a steel plate fixedly connected.
Optionally, the cantilever crane folded-out arm 3 is of a welded steel plate structure.
As shown in fig. 3, the motor mounting hole 34 is located at a position corresponding to the top of the cantilever crane folded arm 3 and the hoist motor 42, and the chain inlet 33 is located at a position corresponding to the bottom of the cantilever crane folded arm 3 and the hoist motor 42, and is used for winding and unwinding a chain.
Specifically, a cantilever crane supporting beam 1 is vertically arranged, and the bottom of the cantilever crane supporting beam is fixedly connected with a mounting platform; the upper half part of the cantilever crane supporting beam 1 is rotatably connected with two ends of a first pin shaft 51 and is arranged in parallel; one end of the cantilever crane inward-folding arm 2 is fixedly connected with a first pin shaft 51 and rotates along the horizontal direction by taking the first pin shaft 51 as an axis.
Further, the cantilever crane support beam 1 includes: a first mounting plate and a second mounting plate; the first mounting plate is fixedly connected with one end, far away from the mounting platform, of the cantilever crane support beam 1 and is also rotatably connected with one end of the first pin shaft 51; the second mounting plate is fixedly connected with the outer side of the side wall of the cantilever crane supporting beam 1 and is also rotatably connected with the other end of the first pin shaft 51.
Specifically, the cantilever crane inward-folding arm 2 is horizontally arranged, and one end of the cantilever crane outward-folding arm 2 facing the cantilever crane outward-folding arm 3 is rotatably connected with the cantilever crane outward-folding arm 3 through a second pin shaft 52; the axial direction of the second pin 52 is the vertical direction; the cantilever crane folding-out arm 3 rotates in the horizontal direction around the second pin 52.
Specifically, the electric chain hoist 4 is fixedly connected with one end, far away from the cantilever crane inward-folding arm 2, of the cantilever crane outward-folding arm 3 through two third pin shafts.
In the technical scheme, a motor of the electric chain hoist 4 is hung on a motor mounting hole through a third pin shaft, a motor chain outlet is over against the inner cavity of the cantilever crane outward-folding arm 3, and a motor lifting hook is arranged on the outer side of the cantilever crane outward-folding arm 3; in addition, the maintenance window 31 is arranged above the cantilever crane folding arm 3 and used for maintenance of a chain in the later period, and when the electric chain hoist 4 needs to be maintained, only the maintenance window cover plate 32 needs to be detached, so that the chain maintenance device is convenient, rapid, time-saving and labor-saving.
The embodiment of the utility model aims to protect a hoisting device in a cabin of a wind generating set, which comprises: the system comprises a cantilever crane supporting beam, a cantilever crane inward-folding arm, a cantilever crane outward-folding arm and a ring chain electric hoist; the cantilever crane supporting beam and the cantilever crane inward-folded arm as well as the cantilever crane inward-folded arm and the cantilever crane outward-folded arm are respectively connected in a rotating way through pin shafts; the cantilever crane outward-folded arm is fixedly connected with the electric chain hoist; the chain of the electric chain hoist is placed in the inner cavity of the outward-folded arm of the cantilever crane. The technical scheme has the following effects:
by eliminating a separate chain box of the electric chain hoist with a ring chain and using the inner cavity of the inward-folded arm of the cantilever crane as the chain box, the hoisting assembly has a more compact structure, the space of the inner cavity of the outward-folded arm of the cantilever crane is effectively utilized, and the chain box is not suspended on a motor, so that the risk that the chain box falls due to fatigue fracture of a pin shaft is eliminated; and a maintenance window is additionally arranged, so that the maintenance of the chain of the electric chain hoist at the later stage is facilitated.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The utility model provides a hoist device in wind generating set cabin which characterized in that includes: a cantilever crane supporting beam (1), a cantilever crane inward-folding arm (2), a cantilever crane outward-folding arm (3) and a ring chain electric hoist (4);
the cantilever crane supporting beam (1) and the cantilever crane inward-folding arm (2) as well as the cantilever crane inward-folding arm (2) and the cantilever crane outward-folding arm (3) are respectively connected in a rotating way through pin shafts;
the cantilever crane outward-folded arm (3) is fixedly connected with the endless chain electric hoist (4);
and a chain of the electric chain hoist (4) is placed in the inner cavity of the cantilever crane outward-folding arm (3).
2. The wind generating set nacelle lifting device of claim 1, wherein,
and a maintenance window (31) is arranged on the side wall of the cantilever crane outward-folding arm (3).
3. The wind generating set nacelle lifting device of claim 2, wherein,
the cantilever crane outward-folding arm (3) comprises: a maintenance window cover plate (32) corresponding to the maintenance window (31).
4. The wind generating set nacelle lifting device of claim 3,
the maintenance window cover plate (32) is detachably connected with the side wall of the cantilever crane outward-folding arm (3).
5. The wind generating set nacelle lifting device of claim 3,
one end of the maintenance window cover plate (32) is connected with the side wall of the cantilever crane outward-folding arm (3) through a fourth rotating shaft, and the other end of the maintenance window cover plate can rotate towards the direction far away from the side wall of the cantilever crane outward-folding arm (3) by taking the fourth rotating shaft as a shaft.
6. The wind generating set nacelle lifting device of claim 1, wherein,
the cantilever crane outward-folded arm (3) is a steel plate fixedly connected.
7. The wind generating set nacelle lifting device of claim 1, wherein,
the cantilever crane supporting beam (1) is vertically arranged, and the bottom of the cantilever crane supporting beam is fixedly connected with the mounting platform;
the upper half part of the cantilever crane supporting beam (1) is rotatably connected with two ends of a first pin shaft (51) and is arranged in parallel;
one end of the cantilever crane inward-folding arm (2) is fixedly connected with the first pin shaft (51) and rotates along the horizontal direction by taking the first pin shaft (51) as a shaft.
8. The wind turbine generator system nacelle lifting device according to claim 7,
the cantilever crane support beam (1) comprises: a first mounting plate and a second mounting plate;
the first mounting plate is fixedly connected with one end, far away from the mounting platform, of the cantilever crane support beam (1), and is also rotatably connected with one end of the first pin shaft (51);
the second mounting plate is fixedly connected with the outer side of the side wall of the cantilever crane supporting beam (1) and is also rotatably connected with the other end of the first pin shaft (51).
9. The wind generating set nacelle lifting device of claim 1, wherein,
the cantilever crane inward-folding arm (2) is horizontally arranged, and one end, facing the cantilever crane outward-folding arm (3), of the cantilever crane inward-folding arm is rotatably connected with the cantilever crane outward-folding arm (3) through a second pin shaft (52);
the axial direction of the second pin shaft (52) is a vertical direction;
the cantilever crane outward folding arm (3) rotates along the horizontal direction by taking the second pin shaft (52) as an axis.
10. The wind generating set nacelle lifting device of claim 1, wherein,
the ring chain electric hoist (4) is fixedly connected with one end, far away from the cantilever crane inward-folding arm (2), of the cantilever crane outward-folding arm (3) through a third pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122266813.3U CN216105738U (en) | 2021-09-16 | 2021-09-16 | Hoisting device in cabin of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122266813.3U CN216105738U (en) | 2021-09-16 | 2021-09-16 | Hoisting device in cabin of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216105738U true CN216105738U (en) | 2022-03-22 |
Family
ID=80734762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122266813.3U Active CN216105738U (en) | 2021-09-16 | 2021-09-16 | Hoisting device in cabin of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216105738U (en) |
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2021
- 2021-09-16 CN CN202122266813.3U patent/CN216105738U/en active Active
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