CN217735661U - Gearbox tower upper box opening tool of wind generating set - Google Patents
Gearbox tower upper box opening tool of wind generating set Download PDFInfo
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- CN217735661U CN217735661U CN202222087615.5U CN202222087615U CN217735661U CN 217735661 U CN217735661 U CN 217735661U CN 202222087615 U CN202222087615 U CN 202222087615U CN 217735661 U CN217735661 U CN 217735661U
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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 discloses a gearbox tower upper box opening tool of a wind generating set, which comprises a support piece, a longitudinal beam piece, a transverse beam piece and a hoisting tool; the supporting piece comprises a first supporting assembly, a second supporting assembly and a third supporting assembly and is used for supporting the longitudinal beam piece, the transverse beam piece and installing and hoisting tools; the longitudinal beam piece comprises a first longitudinal beam and a second longitudinal beam, the transverse beam piece comprises a first transverse beam assembly and a second transverse beam assembly, and the first longitudinal beam is used for fixedly connecting the first supporting assembly and the second supporting assembly. The utility model discloses in, through unpacking frock and cooperation tower on the design tower unpacking construction scheme, unpacking frock frame and corresponding hoist, annex in cabin interior installation, can accomplish unpacking and change medium speed spindle unit and high-speed spindle unit of 2MW wind generating set intermediate gear case in the cabin, need not under the gear box tower return to the factory maintenance or with outside loop wheel machine open the case maintenance again behind the cabin cover.
Description
Technical Field
The utility model relates to a aerogenerator technical field especially relates to a unpacking frock on wind generating set's gear box tower.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current.
Gear damage or tooth breakage failure and bearing damage faults of a medium-speed shaft part often occur in a gear box in an electrified 2MW wind generating set in the operation process, and due to structural limitation, namely the diameter of a medium-speed gear wheel is larger than the diameter of a downwind bearing hole, the medium-speed gear wheel cannot be detached from the gear box under the condition that the gear box is not opened.
Under the current situation, if medium-speed components need to be replaced, only the lower tower of the gear box can be maintained or a crane is arranged to enter the field, and the replacement and maintenance can be carried out after the cabin cover is opened, so that the maintenance scheme has the advantages of long response time, high operation and maintenance cost, high safety risk and great influence on the construction period by weather and road conditions of a wind field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the technical problems mentioned in the background art, the invention provides a gearbox tower upper box opening tool for a wind generating set.
In order to realize the purpose, the utility model adopts the following technical scheme:
a gearbox tower upper box opening tool of a wind generating set comprises a supporting piece, a longitudinal beam piece, a transverse beam piece and a hoisting tool;
the supporting piece comprises a first supporting assembly, a second supporting assembly and a third supporting assembly and is used for supporting the longitudinal beam piece, the transverse beam piece and installing and hoisting tools;
the longitudinal beam part comprises a first longitudinal beam and a second longitudinal beam, the transverse beam part comprises a first transverse beam component and a second transverse beam component, the first longitudinal beam is used for fixedly connecting a first supporting component and a second supporting component, the second longitudinal beam is used for fixedly connecting a first transverse beam component and a second transverse beam component, the first transverse beam component is used for fixedly connecting the first longitudinal beam, and the second transverse beam component is used for fixedly connecting a third supporting component;
the hoisting tool comprises an electric hoist and a plurality of chain blocks, the chain blocks are mounted on the first beam assembly, and the electric hoist and the chain blocks are mounted on the second longitudinal beam.
As a further description of the above technical solution:
the first supporting component comprises a group of first supporting legs and a first connecting seat, the first connecting seat is fixedly connected with the first supporting legs, and the first connecting seat is obliquely arranged at the bottoms of the first supporting legs.
As a further description of the above technical solution:
the second support assembly comprises a group of second support legs and a second connecting seat, and the second connecting seat is fixedly connected to the bottoms of the second support legs.
As a further description of the above technical solution:
the third support assembly comprises a group of third support legs and a third connecting seat, and the third connecting seat is fixedly connected to the bottoms of the third support legs.
As a further description of the above technical solution:
the first cross beam assembly comprises a first cross beam, a second cross beam and a third cross beam, the first cross beam, the second cross beam and the third cross beam are fixedly connected between the first longitudinal beams, the second cross beam assembly comprises a fourth cross beam, and the fourth cross beam is fixedly connected between the third supporting legs.
As a further description of the above technical solution:
the first longitudinal beam is fixedly connected to the tops of the first supporting leg and the second supporting leg, and the second longitudinal beam is fixedly connected between the third cross beam and the fourth cross beam.
As a further description of the above technical solution:
install 8 at least chain blocks on first crossbeam, second crossbeam and the third crossbeam, install electric block and 2 at least chain blocks on the second longeron.
As a further description of the above technical solution:
and the supporting piece, the cross beam piece and the longitudinal beam piece are fixedly connected through a kidney-shaped hole and a bolt.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, box and ring gear throw off and fix behind the gear box, after going up box separation after with the back, earlier with first crossbeam, the box is gone up after 4 at least chain block on the second crossbeam are pulled up, reuse first crossbeam, go up box to cabin one side after remaining 4 at least chain block translations on the second crossbeam, each chain block area power is fixed the box in cabin one side after going up, under electric block and a plurality of chain block's cooperation, shift the second crossbeam from the second longeron with new intermediate speed shafting, on the third crossbeam, and put down and install and target in place in the gear box, move the box in back and go up box top and repack and target in place in the back through chain block, can accomplish unpacking and change intermediate speed shaft part and high speed shaft part of going up 2MW wind generating set gear box in the cabin inside can not needing gear box to return the factory maintenance or unpack again after opening the cabin cover with outside loop wheel machine, need not to return the gear box maintenance.
2. The utility model discloses in, maintenance service response time shortens: the unpacking tool is used for replacing and maintaining the upper medium-speed shafting of the power-on 2MW unit tower, maintenance can be carried out on the tower only by the arrival of maintenance personnel, materials, tools and tools, and a crane does not need to wait for the approach of the crane; the operation and maintenance cost is reduced: the cost of renting a crane, leveling a road surface and the like is saved; the safety risk is small: the maintenance operation is completed in the full-range cabin, high-altitude open-air operations such as opening a cabin cover, lifting a box body and a medium-speed shaft system by an external crane are not needed, and the safety risk is greatly reduced.
3. In the utility model, the maintenance process does not need to open the cabin cover, so that maintenance personnel, equipment and circuits in the cabin are not affected by the bad weather such as rainfall, snowfall, burning sun and the like; compared with crane entering maintenance, the unpacking tool has low requirements on roads, weather and particularly wind speed, and the construction period controllability is high.
Drawings
Fig. 1 shows a schematic three-dimensional structure diagram of a gearbox tower unpacking tool of a wind generating set according to an embodiment of the present invention;
fig. 2 shows a schematic front view of a gearbox tower unpacking tool of a wind generating set according to an embodiment of the present invention;
fig. 3 shows a left schematic view of a gearbox tower unpacking tool of a wind generating set according to an embodiment of the present invention;
fig. 4 shows a schematic top view of a gearbox tower unpacking tool of a wind generating set according to an embodiment of the present invention.
Illustration of the drawings:
11. a first support leg; 12. a second support leg; 13. a third support leg; 21. a first connecting seat; 22. a second connecting seat; 23. a third connecting seat; 31. a first stringer; 32. a second longitudinal beam; 41. a first cross member; 42. a second cross member; 43. a third cross member; 44. a fourth cross member; 5. hoisting a tool; 6. a nacelle; 7. a gear case; 8. and (4) hanging the object.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a box opening tool on a gear box tower of a wind generating set comprises a supporting piece, a longitudinal beam piece, a transverse beam piece and a hoisting tool 5, wherein the supporting piece, the transverse beam piece and the longitudinal beam piece are fixedly connected through a waist-shaped hole and a bolt, for example, waist-shaped holes are formed in the top of a first supporting leg 11 and the bottom of a first longitudinal beam 31, the first supporting leg 11 and the first longitudinal beam 31 are connected through the bolt and the waist-shaped hole, and the waist-shaped holes enable certain adjusting allowance to exist in the installation of the first supporting leg 11 and the first longitudinal beam 31, so that the box opening work can be adaptive to different installation conditions of a cabin 6 for adaptive adjustment, the practicability and the adaptability of the box opening tool are improved;
as shown in fig. 1, the supporting member includes a first supporting assembly, a second supporting assembly and a third supporting assembly, and is used for supporting the longitudinal beam member, the transverse beam member and the installation and hoisting tool 5, the first supporting assembly includes a set of first supporting legs 11 and a first connecting seat 21, the first connecting seat 21 is fixedly connected with the first supporting legs 11, and the first connecting seat 21 is obliquely arranged at the bottom of the first supporting legs 11, the second supporting assembly includes a set of second supporting legs 12 and a second connecting seat 22, the second connecting seat 22 is fixedly connected with the bottom of the second supporting legs 12, the third supporting assembly includes a set of third supporting legs 13 and a third connecting seat 23, and the third connecting seat 23 is fixedly connected with the bottom of the third supporting legs 13;
the unpacking tool is integrally installed inside a cabin 6, specifically, a first connecting seat 21 is connected with a torque seat support and is adapted to the angle and installation requirements of the torque seat support, the first connecting seat 21 is an integrally formed special-shaped connecting seat which is convenient to disassemble, assemble and connect, a second connecting seat 22 and a third connecting seat 23 are fixedly connected with the bottom of the cabin 6, the heights of a first supporting leg 11, a second supporting leg 12 and a third supporting leg 13 are adapted to the installation requirements, and the cross beam piece and the longitudinal beam piece are kept horizontal, secondly, the first supporting leg 11 and the second supporting leg 12 are arranged above a gear box 7 so as to be convenient for realizing the separation and the returning of the gear box 7, a hanging opening 8 is formed in the bottom of the cabin 6, the hanging opening 8 is positioned between the second supporting leg 12 and the third supporting leg 13, and a second longitudinal beam 32 is positioned above the hanging opening 8 so as to realize the hoisting and the transferring of a shafting and a high-speed shafting at a medium speed;
further, the steps of disengaging and reinstalling the gear box 7 and hoisting and transferring the medium-speed shafting are as follows, and the high-speed shafting is the same:
s1, stopping and locking a fan, completely releasing lubricating oil in a gear box 7, and dismantling various outer parts, connecting lines and the like of the gear box which can affect box opening;
s2, separating and fixing the rear box body of the gear box from the gear ring, separating the rear upper box body, lifting the rear upper box body by using at least 4 chain blocks on the first cross beam 41 and the second cross beam 42, then moving the rear upper box body to one side of the engine room 6 by using at least 4 remaining chain blocks on the first cross beam 41 and the second cross beam 42, fixing the rear upper box body to one side of the engine room 6 by each chain block with force, and releasing at least 4 chain blocks for translation;
s3, at least 4 chain blocks for translation are disassembled on a second cross beam 42 and a third cross beam 43 according to hoisting requirements, the middle-speed shaft system is lifted to a lower box body after separation through at least 2 chain blocks, the middle-speed shaft system is translated to a position of a hoisting opening 8 through the chain blocks and an electric block on a second longitudinal beam 32, the middle-speed shaft system is hoisted to a cabin 6 through the hoisting opening 8 through the matching of the electric block chain blocks, a new middle-speed shaft system is replaced, and the cabin is hoisted;
s4, similar to the action principle of the step S3, under the matching of the electric block and the chain blocks, transferring a new medium-speed shaft system from the second longitudinal beam 32 to the second cross beam 42 and the third cross beam 43, and putting down the new medium-speed shaft system to be installed in the gear box 7 to be installed in place;
s5, similar to the action principle of the step S2, the rear upper box body is moved to the position above the rear lower box body through a chain block and is reloaded in place;
s6, the rear box body and the gear ring are combined and other parts are installed again, external accessories of the gear box 7 are installed, lubricating oil is added, and then the centering test machine is centered.
This practicality is through designing unpacking frock on the tower and cooperating the unpacking construction scheme on the tower, 6 internally mounted unpacking frock racks and corresponding hoist, annex in the aircraft cabin, can accomplish unpacking and change intermediate speed spindle unit and high-speed spindle unit of 2MW wind generating set intermediate speed spindle unit 7 on the aircraft cabin, need not gearbox 7 and unpack the maintenance again after tower chamber cover is returned the shop to the maintenance or is opened the cabin cover with outside loop wheel machine down, compare and possess following a plurality of advantages in prior art scheme:
(1) The maintenance service response time is shortened: the unpacking tool is used for replacing and maintaining the upper medium-speed shafting of the power-on 2MW unit tower, maintenance can be carried out on the tower only by the arrival of maintenance personnel, materials, tools and tools, and a crane does not need to wait for the approach of the crane;
(2) The operation and maintenance cost is reduced: the cost of renting a crane, leveling a road surface and the like is saved;
(3) The safety risk is small: the maintenance operation is completed in the full-range cabin 6, high-altitude open-air operation such as opening a cabin cover, lifting a box body and a medium-speed shafting by an external crane is not needed, and the safety risk is greatly reduced;
(4) In the maintenance process, the cabin cover does not need to be opened, so that maintenance personnel, equipment and lines in the cabin are not influenced by severe weather such as rainfall, snowfall, burning sun and the like;
(5) Compared with crane entering maintenance, the unpacking tool has low requirements on roads, weather and particularly wind speed, and the construction period controllability is high.
As shown in fig. 1, the longitudinal beam member includes a first longitudinal beam 31 and a second longitudinal beam 32, the first longitudinal beam 31 is fixedly connected to the tops of the first support leg 11 and the second support leg 12, the second longitudinal beam 32 is fixedly connected between a third cross beam 43 and a fourth cross beam 44, the cross beam member includes a first cross beam assembly and a second cross beam assembly, the first cross beam assembly includes a first cross beam 41, a second cross beam 42 and a third cross beam 43, the first cross beam 41, the second cross beam 42 and the third cross beam 43 are fixedly connected between the first longitudinal beam 31, the second cross beam assembly includes a fourth cross beam 44, the fourth cross beam 44 is fixedly connected between the third support legs 13, the first longitudinal beam 31 is used for fixedly connecting the first support assembly and the second support assembly, the second longitudinal beam 32 is used for fixedly connecting the first cross beam assembly 31, and the second cross beam assembly is used for fixedly connecting the third support assembly;
the unpacking tool is realized in a combined installation mode, on one hand, the unpacking tool is convenient to hoist into the engine room 6 and disassemble and assemble in the engine room 6, and on the other hand, the bearing performance of the unpacking tool is guaranteed.
As shown in fig. 2, the hoisting tool 5 includes an electric block and a chain block, at least 8 chain blocks are installed on the first beam 41, the second beam 42 and the third beam 43, the electric block and at least 2 chain blocks are installed on the second longitudinal beam 32, and the electric block and the chain block are used for achieving the purpose of transposition of the rear upper box body and the middle-speed shafting.
The working principle is as follows: when the gearbox is used, the gear box 7 is separated from and reinstalled, and the intermediate-speed shafting is hoisted and transferred by the following steps:
s1, stopping and locking a fan, completely releasing lubricating oil in a gear box 7, and dismantling various outer parts, connecting lines and the like of the gear box which can affect box opening;
s2, separating and fixing the rear box body of the gear box and the gear ring, separating the rear upper box body, lifting the rear upper box body by using at least 4 chain blocks on the first cross beam 41 and the second cross beam 42, then translating the rear upper box body by using at least 4 remaining chain blocks on the first cross beam 41 and the second cross beam 42, and then loading the rear upper box body to one side of the cabin 6, wherein each chain block has the force to fix the rear upper box body to one side of the cabin 6, and releasing at least 4 chain blocks for translation;
s3, at least 4 chain blocks for translation are disassembled and assembled on the second cross beam 42 and the third cross beam 43 according to hoisting requirements, the medium-speed shaft system is lifted to a lower box body after separation through at least 2 chain blocks, the medium-speed shaft system is translated to a position of a hoisting opening 8 through the chain blocks and the electric block on the second longitudinal beam 32, then the medium-speed shaft system is hoisted to a cabin 6 through the hoisting opening 8 through the matching of the electric block chain blocks, a new medium-speed shaft system is replaced, and the cabin is hoisted;
s4, similar to the action principle of the step S3, under the matching of the electric block and the chain blocks, transferring a new medium-speed shaft system from the second longitudinal beam 32 to the second cross beam 42 and the third cross beam 43, and putting down the new medium-speed shaft system to be installed in the gear box 7 to be installed in place;
s5, similar to the action principle of the step S2, the rear upper box body is moved to the position above the rear lower box body through a chain block and is reloaded in place;
s6, the rear box body and the gear ring are combined and other parts are installed again, external accessories of the gear box 7 are installed, lubricating oil is added, and then the centering test machine is centered.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A gearbox tower upper box opening tool of a wind generating set is characterized by comprising a support piece, a longitudinal beam piece, a transverse beam piece and a hoisting tool (5);
the supporting piece comprises a first supporting assembly, a second supporting assembly and a third supporting assembly, and is used for supporting the longitudinal beam piece, the transverse beam piece and installing and hoisting tools (5);
the longitudinal beam part comprises a first longitudinal beam (31) and a second longitudinal beam (32), the transverse beam part comprises a first transverse beam component and a second transverse beam component, the first longitudinal beam (31) is used for fixedly connecting a first supporting component and a second supporting component, the second longitudinal beam (32) is used for fixedly connecting a first transverse beam component and a second transverse beam component, the first transverse beam component is used for fixedly connecting the first longitudinal beam (31), and the second transverse beam component is used for fixedly connecting a third supporting component;
the hoisting tool (5) comprises an electric hoist and a chain block, the chain block is mounted on the first beam assembly, and the electric hoist and the chain blocks are mounted on the second longitudinal beam (32).
2. The gearbox tower upper box opening tool of the wind generating set according to claim 1, wherein the first support assembly comprises a set of first support legs (11) and first connecting seats (21), the first connecting seats (21) are fixedly connected with the first support legs (11), and the first connecting seats (21) are obliquely arranged at the bottoms of the first support legs (11).
3. The gearbox tower upper box opening tool of the wind generating set according to claim 2, wherein the second support assembly comprises a group of second support legs (12) and a second connecting seat (22), and the second connecting seat (22) is fixedly connected to the bottoms of the second support legs (12).
4. The gearbox tower upper box opening tool of the wind generating set according to claim 3, wherein the third support assembly comprises a set of third support legs (13) and a third connecting seat (23), and the third connecting seat (23) is fixedly connected to the bottoms of the third support legs (13).
5. The gearbox tower top box opening tool of the wind generating set according to claim 4, wherein the first cross beam assembly comprises a first cross beam (41), a second cross beam (42) and a third cross beam (43), the first cross beam (41), the second cross beam (42) and the third cross beam (43) are fixedly connected between the first longitudinal beams (31), the second cross beam assembly comprises a fourth cross beam (44), and the fourth cross beam (44) is fixedly connected between the third supporting legs (13).
6. The gearbox tower upper box opening tool of the wind generating set according to claim 5, wherein the first longitudinal beam (31) is fixedly connected to the tops of the first supporting leg (11) and the second supporting leg (12), and the second longitudinal beam (32) is fixedly connected between the third cross beam (43) and the fourth cross beam (44).
7. The gearbox tower unpacking tool of the wind generating set according to claim 6, characterized in that at least 8 chain blocks are mounted on the first cross beam (41), the second cross beam (42) and the third cross beam (43), and an electric block and at least 2 chain blocks are mounted on the second longitudinal beam (32).
8. The gearbox tower upper box opening tool of the wind generating set according to claim 7, wherein the support member, the cross beam member and the longitudinal beam member are fixedly connected through kidney-shaped holes and bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222087615.5U CN217735661U (en) | 2022-08-09 | 2022-08-09 | Gearbox tower upper box opening tool of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222087615.5U CN217735661U (en) | 2022-08-09 | 2022-08-09 | Gearbox tower upper box opening tool of wind generating set |
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| Publication Number | Publication Date |
|---|---|
| CN217735661U true CN217735661U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222087615.5U Active CN217735661U (en) | 2022-08-09 | 2022-08-09 | Gearbox tower upper box opening tool of wind generating set |
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| CN (1) | CN217735661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2619788A (en) * | 2022-04-04 | 2023-12-20 | Planet 42 Ltd | Improvements in and relating to assembling a structure |
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2022
- 2022-08-09 CN CN202222087615.5U patent/CN217735661U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2619788A (en) * | 2022-04-04 | 2023-12-20 | Planet 42 Ltd | Improvements in and relating to assembling a structure |
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