CN211174480U - Tool for replacing high-speed shafting by using 3MW wind power gear box for overhead maintenance - Google Patents
Tool for replacing high-speed shafting by using 3MW wind power gear box for overhead maintenance Download PDFInfo
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- CN211174480U CN211174480U CN201922432891.9U CN201922432891U CN211174480U CN 211174480 U CN211174480 U CN 211174480U CN 201922432891 U CN201922432891 U CN 201922432891U CN 211174480 U CN211174480 U CN 211174480U
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- tool
- upright post
- cross beam
- rotating shaft
- gear box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a with the overhead maintenance of 3MW wind-powered electricity generation gear box change high-speed shafting's frock, its characterized in that: a tool cross beam connecting disc is fixedly welded on the lower surface of the tool cross beam, and a tool cross beam rotating shaft is fixedly welded on the lower surface of the tool cross beam connecting disc; the long end of the tool beam is provided with a plurality of horizontally arranged hanging holes; a tool upright post connecting disc is fixedly welded at the top end of the tool upright post, and a tool upright post rotating shaft hole is formed in the upper surface of the tool upright post connecting disc; the side surface of the lower part of the tool upright post is fixedly connected with a fixing plate; the bolt and the nut are combined and penetrate through the mounting hole arranged on the fixing plate and the corresponding mounting hole on the mounting surface of the brake disc of the gear box; the tool cross beam rotating shaft is rotatably inserted into the tool upright post rotating shaft hole, and the bolt and nut combination penetrates through the arc-shaped connecting hole of the tool cross beam connecting plate and the arc-shaped connecting hole of the tool upright post connecting plate. The utility model discloses can change 3MW gear box high-speed shafting under the condition that does not have the loop wheel machine on the fan cabin, labour saving and time saving, convenient and fast.
Description
Technical Field
The utility model relates to a wind-powered electricity generation gear box maintenance frock especially relates to a with the overhead maintenance of 3MW wind-powered electricity generation gear box change high-speed shafting's frock.
Background
From the development condition of wind power generation, the wind power operation and maintenance market is wide. And the large parts on the tower are replaced by the tool in the cabin, so that the cost of an owner is saved, and the generating efficiency of the fan is improved. On a wind turbine generator, any part is very important, especially a high-speed shaft system, because the shaft system has high rotating speed and is connected with a generator, the high-speed shaft system is influenced by two aspects, and compared with other large parts, the high-speed shaft system is easy to break down.
When in aerial maintenance, most high-speed shafting can be pulled out and replaced integrally, a crane is arranged in most cabins to assist in replacement, but some cabins are not provided with the crane, or the crane cannot be used for replacing parts on the gear box.
The prior art does not have the loop wheel machine or can't reach under the circumstances of changing the purpose with the loop wheel machine at some, high-speed shafting or other parts are changed in the artificial transport, or need install the great frock that kind in the torque arm both sides, the position of gear box torque arm both sides installation is fixed to this kind of frock, the frock is heavy, it is great to occupy the cabin position, it is complicated to build, it is far away from gear box high-speed shaft motor side, the transmission to the part is than great to the dependence of manpower, it is more difficult to operate in narrow and small cabin, it is time consuming, hard, if cause colliding with of high-speed shafting part carelessly easily, operation and generating efficiency are influenced. When the lifting opening of a part of the engine room is relatively small, a large-scale supporting tool cannot be lifted to the engine room.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tool for repairing and replacing a high-speed shafting in the air by using a 3MW wind power gear box, aiming at solving the defects of the prior art and replacing the 3MW gear box high-speed shafting under the condition that a crane is not arranged on a fan cabin; the device has the advantages of greatly getting rid of dependence on manpower, saving time and labor, being convenient and fast, and avoiding collision or other accidents caused by artificial transportation during part assembly.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a with frock of aerial maintenance change high-speed shafting of 3MW wind-powered electricity generation gear box which characterized in that:
the tool comprises a tool upright post and a tool cross beam which are made of aluminum alloy plates or steel plates;
a tool cross beam connecting disc is fixedly welded on the lower surface of the tool cross beam, arc-shaped connecting holes are respectively formed in the two sides, exposed out of the tool cross beam, of the tool cross beam connecting disc, and a tool cross beam rotating shaft is fixedly welded on the lower surface of the tool cross beam connecting disc;
dividing the tool beam into a longer long end and a shorter short end by taking the tool beam connecting plate as a boundary, and arranging a plurality of horizontally-arranged hanging holes at the long end;
a tool upright post connecting disc is fixedly welded at the top end of the tool upright post, a tool upright post rotating shaft hole is formed in the upper surface of the tool upright post connecting disc, and a plurality of arc-shaped connecting holes are formed in the tool upright post rotating shaft hole;
the side surface of the lower part of the tool upright post is fixedly connected with a fixing plate;
the tool upright post is fixedly arranged on the installation surface of the brake disc of the gear box by combining a bolt and a nut and penetrating through the installation hole arranged on the fixing plate and a corresponding installation hole on the installation surface of the brake disc of the gear box;
the tool cross beam rotating shaft is rotatably inserted into the tool upright post rotating shaft hole, and the bolt and nut combination penetrates through the arc-shaped connecting hole of the tool cross beam connecting plate and the arc-shaped connecting hole of the tool upright post connecting plate to fixedly connect the tool cross beam and the tool upright post.
The tool post is provided with a triangular reinforcing rib, and two mutually vertical sides of the reinforcing rib are respectively welded and fixed on the tool post and a tool post connecting plate.
And a tool fixing hole is formed at the short end of the tool cross beam.
The utility model discloses an useful part lies in:
1: the tool is simple, the structure is simple, and the processing and the manufacturing are easy;
2: the gear box brake caliper has small occupied space, is arranged on the installation end surface of the gear box high-speed shaft brake caliper, and has great advantages for the transportation and assembly of the high-speed shaft;
3: the tool and the hoist are used for hoisting, so that time and labor are saved;
4: the tool and the hoist are used for hoisting, two fixed supporting points are provided, the safety of parts can be effectively protected during hoisting, and collision and personnel injury are avoided;
5: when the high-speed shaft is assembled, the centering is easy compared with the manual carrying, the phenomenon that the outer ring of the bearing inclines relative to the high-speed shaft system can be avoided, the bearing and the shaft neck are protected as far as possible, and the damage caused by the assembly is reduced;
6: the on-site assembly difficulty is reduced, time and labor are saved, and tools are effectively and reasonably utilized.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a side view of a tooling beam of the present invention;
FIG. 2 is a view of the present invention taken along line A of FIG. 1;
FIG. 3 is a side view of the tooling column of the present invention;
fig. 4 is a view of the present invention from direction B of fig. 3;
fig. 5 is a view of the present invention from direction C of fig. 3;
FIG. 6 is a side view of the tooling cross beam and tooling upright post of the present invention in a combined state;
fig. 7 is a view of the present invention from direction D of fig. 6.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor.
As shown in fig. 1 and 2:
the tooling beam 1 is provided with two parallel horizontal main boards 11 (the horizontal main board 1 is made of aluminum alloy or steel plate), the tooling beam 1 and the tooling upright post 2 can be made of aluminum alloy or steel plate, the two horizontal main boards 11 perpendicular to the vertical main boards 12 are welded at the middle parts of the two horizontal main boards 11 above and below respectively at the upper side and the lower side, so that an I-shaped structure is formed, and vertical reinforcing plates 13 are welded and fixed at intervals in the space between the upper horizontal main board 11 and the lower horizontal main board 12 and between the middle vertical main boards 12.
The lower surface of the horizontal main board 11 below is fixedly welded with a tool beam connecting disc 14, the two sides of the tool beam connecting disc 14, which are exposed out of the horizontal main board 11, are respectively provided with an arc-shaped connecting hole 141, and the lower surface of the tool beam connecting disc 14 is welded with a tool beam rotating shaft 15.
The vertical reinforcing plate 13 serves to reinforce the structural strength.
The tool beam connecting disc 14 is used as a boundary to divide the vertical main board 12 into a longer long end and a shorter short end, the short end of the vertical main board 12 is provided with a tool fixing hole E, and the long end is provided with three horizontally-arranged object hanging holes F.
As shown in fig. 3, 4, and 5:
the tooling upright column 2 is provided with two parallel vertical side plates 21 and a middle side plate 22 perpendicular to the side plates 21, the left side and the right side of the middle side plate 22 are respectively welded on the side plates 21 at the left side and the right side, so that an I-shaped structure is formed, and horizontal reinforcing plates 23 are welded and fixed at intervals in the space between the left side plate 21 and the right side plate 22 and the middle side plate 22. The top ends of the two side plates 21 and the middle side plate 22 are fixedly welded with a tooling upright post connecting disc 24, the center of the upper surface of the tooling upright post connecting disc 24 is provided with a tooling upright post rotating shaft hole 25 and four arc-shaped connecting holes 241, and the positions of the arc-shaped connecting hole 141 of the tooling cross beam connecting disc 14 and the positions of the four arc-shaped connecting holes 241 of the tooling upright post connecting disc 24 correspond. And the reinforcing rib 27 is provided with a plurality of triangular reinforcing ribs 27, and two mutually vertical sides of the reinforcing rib 27 are respectively welded on the middle side plate 22 and the tooling upright connecting plate 24.
The horizontal reinforcing plate 23 and the reinforcing ribs 27 serve to reinforce the structural strength.
Four screws 262 are inserted through the through holes of the side plate 21 and the fixing plate 26 at the lower surface of one side plate 21 to fixedly connect the side plate 21 and the fixing plate 26. The fixing plate 26 is provided with 4 fixing plate mounting holes 261 arranged corresponding to mounting holes (not shown) on the brake disc mounting surface of the gear box.
As shown in fig. 6 and 7:
during the actual use, above-mentioned frock crossbeam 1 and frock stand 2 are moved to 3MW wind-powered electricity generation gear box and are located aloft.
The four bolts and nuts are combined and penetrate through the four fixing plate mounting holes 261 and the four mounting holes on the mounting surface of the brake disc of the gear box, so that the tool upright post 2 is fixedly mounted on the mounting surface of the brake disc of the gear box.
Then, the tool cross beam rotating shaft 15 is rotatably inserted into the tool upright post rotating shaft hole 25, the angle of the tool cross beam 1 is rotated, after the position is adjusted, four bolts 3 respectively penetrate through two arc-shaped connecting holes 141 of the tool cross beam connecting disc 14 and then penetrate through four arc-shaped connecting holes 241 of the tool upright post connecting disc 24, and the four bolts are matched with nuts 4 to fixedly lock the tool cross beam 1 and the tool upright post 2. The arc connection holes 141 and 241 allow the bolt to have a space for movement adjustment when the tool cross member 1 is rotated.
Then through the frock fixed point on the frock crossbeam 1, also be frock fixed orifices E, with the suspender rope, one end is on frock fixed orifices E, and the other end is on the gear box lug, reaches the effect of protection frock stability, and the frock also is that the combination body of frock crossbeam 1 and frock stand 2 is firmly fixed.
After the two bearings are installed in place, a hoist of 1.5t is hung on one hoisting hole F on the tool beam 1, and the high-speed shafting to be replaced can be hoisted, so that the purpose of installing the high-speed shafting for replacement and installation is finally achieved. The three holes can also be used for horizontally moving the hung part.
The fixture fixing hole E can also be used as a hoist lifting point for lifting parts under the condition of not rotating the fixture beam 1.
Three hanging holes F: the three holes are used for hanging the hoist, one hanging point is selected according to the horizontal distance, and the three holes can also be used for horizontally moving the hung part.
The utility model provides a frock adopts enough light spare part to make up and assembles, utilizes the brake disc installation face that gear box itself has as frock installation face, and apart from high-speed shaft mounted position distance very near, and when the installation of easily high-speed shaft, the centering of axle and dead eye reduces the unnecessary damage to bearing and high-speed shaft, convenient the change. The tool can be fixed on the box body by a lifting rope, the stability of the tool can be effectively protected in the operation process, the safety operation on the fan is greatly influenced,
the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The utility model provides a with frock of aerial maintenance change high-speed shafting of 3MW wind-powered electricity generation gear box which characterized in that: the tool comprises a tool upright post and a tool cross beam which are made of aluminum alloy plates or steel plates; a tool cross beam connecting disc is fixedly welded on the lower surface of the tool cross beam, arc-shaped connecting holes are respectively formed in the two sides, exposed out of the tool cross beam, of the tool cross beam connecting disc, and a tool cross beam rotating shaft is fixedly welded on the lower surface of the tool cross beam connecting disc; dividing the tool beam into a longer long end and a shorter short end by taking the tool beam connecting plate as a boundary, and arranging a plurality of horizontally-arranged hanging holes at the long end; a tool upright post connecting disc is fixedly welded at the top end of the tool upright post, a tool upright post rotating shaft hole is formed in the upper surface of the tool upright post connecting disc, and a plurality of arc-shaped connecting holes are formed in the tool upright post rotating shaft hole; the side surface of the lower part of the tool upright post is fixedly connected with a fixing plate; the tool upright post is fixedly arranged on the installation surface of the brake disc of the gear box by combining a bolt and a nut and penetrating through the installation hole arranged on the fixing plate and a corresponding installation hole on the installation surface of the brake disc of the gear box; the tool cross beam rotating shaft is rotatably inserted into the tool upright post rotating shaft hole, and the bolt and nut combination penetrates through the arc-shaped connecting hole of the tool cross beam connecting plate and the arc-shaped connecting hole of the tool upright post connecting plate to fixedly connect the tool cross beam and the tool upright post.
2. The tool for repairing and replacing the high-speed shafting in the air by using the 3MW wind power gearbox as claimed in claim 1, wherein: the tool post is provided with a triangular reinforcing rib, and two mutually vertical sides of the reinforcing rib are respectively welded and fixed on the tool post and a tool post connecting plate.
3. The tool for repairing and replacing the high-speed shafting in the air by using the 3MW wind power gearbox as claimed in claim 1, wherein: and a tool fixing hole is formed at the short end of the tool cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922432891.9U CN211174480U (en) | 2019-12-30 | 2019-12-30 | Tool for replacing high-speed shafting by using 3MW wind power gear box for overhead maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922432891.9U CN211174480U (en) | 2019-12-30 | 2019-12-30 | Tool for replacing high-speed shafting by using 3MW wind power gear box for overhead maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174480U true CN211174480U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922432891.9U Active CN211174480U (en) | 2019-12-30 | 2019-12-30 | Tool for replacing high-speed shafting by using 3MW wind power gear box for overhead maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610430A (en) * | 2020-12-21 | 2021-04-06 | 远景能源有限公司 | Method for replacing gear shaft in wind driven generator |
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2019
- 2019-12-30 CN CN201922432891.9U patent/CN211174480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610430A (en) * | 2020-12-21 | 2021-04-06 | 远景能源有限公司 | Method for replacing gear shaft in wind driven generator |
| CN112610430B (en) * | 2020-12-21 | 2022-05-27 | 远景能源有限公司 | Method for replacing gear shaft in wind driven generator |
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