CN220300214U - Sliding tool for repairing wind power gear box bearing and gear technical improvement on tower - Google Patents
Sliding tool for repairing wind power gear box bearing and gear technical improvement on tower Download PDFInfo
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- CN220300214U CN220300214U CN202322055247.0U CN202322055247U CN220300214U CN 220300214 U CN220300214 U CN 220300214U CN 202322055247 U CN202322055247 U CN 202322055247U CN 220300214 U CN220300214 U CN 220300214U
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- 230000006872 improvement Effects 0.000 title claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 14
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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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- Wind Motors (AREA)
Abstract
The utility model relates to the field of maintenance of wind power equipment, and discloses a sliding tool for technical improvement of a wind power gear box bearing and a gear on a tower. The utility model can solve the problems that the prior art adopts a turnover adjustment mode for the movement of the upper box body during the maintenance and technical improvement of the upper gear box of the wind turbine generator tower, and the operation is complex and long in time and has larger safety risk through the tightening and positioning of the hoist.
Description
Technical Field
The utility model relates to the field of maintenance of wind power equipment, in particular to a sliding tool for technical improvement of bearings and gears of wind power gear boxes on towers.
Background
Wind power generation is one of the main directions of future energy development as a clean energy source, and more wind power generation fields are built and put into operation at present in China. The wind generating set is core equipment of wind power generation, wind energy is converted into rotational energy through fan blades, the rotational energy is output to a generator after being changed in speed through a gear box, and the rotational kinetic energy is converted into electric energy by the generator to be output. Wherein the gearbox is one of the core structures. In the long-time operation process, bearings, gears and the like in the gear box are worn, and maintenance, repair or technical transformation is required to ensure that stable and reliable operation can be continued. Because wind farms are often located in remote areas or high altitude areas, traffic is often inconvenient. The larger the power generated by the wind generating set is, the higher the stability requirement of the power transmission process is, the larger the volumes of the generator, the gear box and the like are, and the mass of the gear box of the 1.5MW wind generating set reaches several tons, so that the wind generating set cannot be disassembled for maintenance or technical improvement, and the maintenance or technical improvement operation is usually carried out directly on the inside of the wind generating set tower.
For the maintenance and improvement operation of the gearbox of the 1.5MW wind generating set, the box opening operation is usually carried out by means of a box opening tool built above the gearbox, such as a frame structure disclosed in patent CN217735661U, and the upper box body of the gearbox is hung by a cross beam supported by a stand column. The moving operation of the upper box body of the gearbox is usually to lift the upper box body to a proper position through a hanging strip fixed on a cross beam and a hanging block, then to fix a traction block at a hanging ring of a front bearing seat of a main shaft, the casting hole of the upper box body is bound by the hanging strip and is connected with a traction block iron hook on the front bearing seat, and the hanging strip hung on the cross beam is continuously loosened through continuous shrinkage of the traction block so as to adjust the position of the upper box body, so that the upper box body is moved forward to the front position in a mode of overturning and adjusting the position, and a space for replacing a gear piece is left. In the forward moving process of the upper box body, the length of the chain of the hanging and traction hoist is required to be continuously adjusted, and workers are assisted to pry the upper box body to change the posture so as to move to the corresponding position, and then the upper box body is fixed by using the tightening lengths of the traction hoist and the hanging hoist. The operation of the process by skilled workers also needs about 4 hours, the posture of the upper box body needs to be adjusted by the workers in an auxiliary mode, the collision of the components occurs in the process, and the personnel safety is difficult to ensure.
Disclosure of Invention
The utility model aims to provide a sliding tool for the technical improvement of a wind power gear box bearing and a gear on a tower, so as to solve the problems that in the prior art, the wind power gear box on a wind turbine generator tower is maintained, the movement of an upper box body is adjusted in a turnover way during the technical improvement, and the operation is complicated and long in time by tightening and positioning a hoist.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a wind-powered electricity generation gear box bearing on tower and gear technique improve maintenance and use slip frock, includes the braced frame that stand, longeron and fixed beam are constituteed, is equipped with the slip crossbeam between the longeron, and slip crossbeam both ends are equipped with sliding component, make the slip crossbeam can translate the slip relative longeron through the sliding component, and sliding component is including the setting element that can fix the slip crossbeam on the longeron.
Preferably, as an improvement, the sliding assembly comprises a mounting seat fixed at the end part of the cross beam, and a rolling element in rolling contact with the longitudinal beam is rotatably connected to the bottom of the mounting seat.
Preferably, as an improvement, the positioning piece is connected to the mounting seat at the outer side of the rolling piece, and the positioning piece can be vertically lifted and adjusted to the bottom end to prop against the longitudinal beam, so that the rolling piece is lifted and separated from the longitudinal beam.
Preferably, as an improvement, the bottom of the mounting seat is integrally formed with two side-by-side vertical support plates, mounting holes are formed in the support plates, and the rolling elements are mounted between the support plates through shafts.
Preferably, as a modification, at least two rolling elements are arranged side by side on a single mounting.
Preferably, as a modification, at least two rolling elements are arranged side by side in the longitudinal direction, and the positioning elements are arranged on both the longitudinal front and rear sides of the rolling elements.
Preferably, as an improvement, a guide groove covered on the outer side of the longitudinal beam is arranged on the outer side of the mounting seat.
Preferably, as an improvement, a mounting structure for hanging the hoist is arranged on the sliding cross beam.
Preferably, as a modification, the sliding cross member is provided in plurality side by side.
The principle and the advantages of the scheme are as follows: in practical application, the support frame is arranged on the outer side of the gear box, and the sliding cross beam is hung on the hoist to be used for lifting the upper box body of the gear box to a certain height. The mounting seat is used as a mounting supporting structure of the rolling element and the positioning element, the guide groove is used as a guide for moving the mounting seat and a guide for moving the sliding cross beam, so that the rolling element is prevented from being separated from the longitudinal beam, and the sliding cross beam is ensured not to be severely deflected to a certain extent. The rolling piece enables the sliding cross beam to translate along the longitudinal beam, then drives the hung upper box body to translate to a preset position, and the rolling mode enables the translation operation to be achieved only by pushing and maintaining the stability of the upper box body, so that the operation is convenient, labor-saving and efficient. The upper box body is moved in place and then is propped against the longitudinal beam by adjusting the positioning piece, the rolling piece is lifted and separated from the longitudinal beam, the self weight of the sliding cross beam and the upper box body acts on the positioning piece, so that strong friction force exists between the positioning piece and the longitudinal beam, the sliding cross beam is prevented from translating relative to the longitudinal beam, further reliable positioning after the upper box body is moved in place is ensured, potential safety hazards possibly caused by the re-action of the upper box body are avoided, and unexpected collision injury accidents do not occur in the translating process.
The upper box body lifting and positioning of the wind turbine tower upper gear box bearing and gear technical improvement maintenance process are carried out by adopting the tool, only the upper box body lifting and sliding beam translation and operation adjusting positioning pieces are needed to be operated, the operation is convenient and labor-saving, the time consumption is less, the operation can be generally completed within 1 hour, the efficiency lifting effect on the maintenance technical improvement is obvious, the posture of the upper box body is less in the auxiliary adjustment of workers, the component collision probability and the personnel safety guarantee are relatively improved, the safety of the operation process is higher, the problems that the prior art adopts a turnover adjustment mode for the maintenance and technical improvement of the wind turbine tower upper gear box, and the operation is complicated and long in time consumption are solved by tightening and positioning the hoist.
Drawings
Fig. 1 is a front partial cross-sectional view of a slider assembly mated with a stringer in accordance with embodiment 1 of the present utility model.
Fig. 2 is a schematic side view of the sliding component and the longitudinal beam in embodiment 1 of the present utility model.
Fig. 3 is a front view of the application state of embodiment 1 of the present utility model.
Fig. 4 is an isometric view of the application state of embodiment 1 of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the device comprises a rolling bearing 1, a mounting seat 2, a flange pin shaft 3, a guide groove 4, a mounting plate 5, a positioning bolt 6, a longitudinal beam 7, a stand column 10, a cross beam 11, a sliding cross beam 12 and an upper box body 13.
Example 1, substantially as shown in fig. 1 and 4: the utility model provides a wind-powered electricity generation gear box bearing on tower and gear technique improve maintenance and use slip frock, includes stand 10, longeron 7 and fixed beam 11 and passes through the square braced frame that bolted connection constitutes, is equipped with two slip crossbeams 12 side by side between two longerons 7 of braced frame, and the both ends of every slip crossbeam 12 all are equipped with slip subassembly, make slip crossbeam 12 can translate the slip relative longeron 7 through slip subassembly. The sliding component comprises a mounting plate 5 fixed at the top end of the end part of the cross beam 11 in a welded mode, four strip-shaped holes are formed in the mounting plate 5, a guide groove 4 is formed in the bottom of the mounting plate 5, a mounting seat 2 is arranged in the guide groove 4, the guide groove 4 and the mounting seat 2 are sequentially connected and fixed on the mounting plate 5 through connecting bolts in the strip-shaped holes, and the guide groove 4 is buckled and covered to the outer side of the longitudinal beam 7. The mounting seat 2 bottom integrated into one piece has two vertical backup pads side by side, has seted up the mounting hole in the backup pad, combines the figure 2 to show, is equipped with two antifriction bearing 1 as the rolling element side by side along vertically between two backup pads, antifriction bearing 1 passes through flange round pin axle 3 to be connected in the mounting hole department, antifriction bearing 1 and longeron 7 rolling contact. The longitudinal front and rear ends of the mounting seat 2 extend to the outer side of the guide groove 4, and are respectively and vertically connected with a positioning bolt 6 in a threaded manner to serve as a positioning piece, the head of the positioning bolt 6 is located above the mounting seat 2, the two positioning bolts 6 are respectively located at the front side and the rear side of the two rolling bearings 1, and the length of the positioning bolts 6 is larger than the diameter of the rolling bearings 1. The sliding cross beam 12 is also sleeved with a lock chain for installing a hanging hoist.
The specific implementation process is as follows: as shown in fig. 3 and 4, the supporting frame is fixed in the cabin of the wind turbine generator system through bolts and is erected on the outer side of the gear box, the sliding cross beam 12 is pushed to a proper position, the hook of the hanging hoist is hung on the lifting hole of the upper box body 13 of the gear box, the mounting bolts of the upper box body 13 are detached, then the chain of the hanging hoist is pulled to vertically lift the upper box body 13 to a proper height, interference with gears is avoided, and the chain of the hanging hoist is locked or bound and fixed on the sliding cross beam 12, so that the upper box body 13 is prevented from falling down. The sliding cross beam 12 or the upper box body 13 is pushed, and the rolling bearing 1 rolls on the longitudinal beam 7 and moves to the front part of the gear box with the sliding cross beam 12 and the hung upper box body 13, so that the gear set and the bearing in the gear box are exposed. After the upper box body 13 moves in place, the positioning bolt 6 is screwed by a spanner to enable the bottom of the positioning bolt 6 to be abutted against the longitudinal beam 7 until the rolling bearing 1 is lifted and separated from the longitudinal beam 7, the weight of the sliding cross beam 12 and the weight of the upper box body 13 act on the positioning bolt 6, so that strong friction force exists between the positioning bolt 6 and the longitudinal beam 7, the upper box body 13 is ensured not to move after moving in place through the strong friction force, and further an operator can reliably maintain and technically improve the gear box bearing or the gear. The positioning bolt 6 is a coarse thread or fine thread product with proper self-locking property and thread strength, and can be specifically selected according to the quality of the upper box body 13 of the gearbox of the wind turbine generator with different power. After the maintenance operation is completed, the sequence of the resetting process of the upper case 13 is reversed to the above operation. By adopting the technical scheme of the utility model, the upper box body 13 in the maintenance process of the gear box bearing and the gear technical improvement of the wind turbine generator on the tower is moved and positioned, and the method has the advantages of convenient and labor-saving operation, less time consumption, rapidness, high efficiency, safety and reliability.
Embodiment 2 differs from embodiment 1 only in that a roller with a bearing is used as the rolling member.
Embodiment 3 differs from embodiment 1 only in that two sets of support plates are arranged at the bottom of the mounting seat in a lateral side-by-side manner, and further two rolling elements are arranged in a lateral side-by-side manner, and a positioning element is arranged at the longitudinal front side and the rear side of each rolling element.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (9)
1. Sliding tool for repairing wind power gear box bearing and gear technical improvement on tower, comprising a support frame composed of upright posts, longitudinal beams and fixed cross beams, and is characterized in that: a sliding cross beam is arranged between the longitudinal beams, sliding components are arranged at two ends of the sliding cross beam, the sliding cross beam can horizontally slide relative to the longitudinal beams through the sliding components, and the sliding components comprise positioning pieces capable of fixing the sliding cross beam on the longitudinal beams.
2. The sliding tool for repairing a wind power gear box bearing and gear technical improvement on a tower according to claim 1, wherein the sliding tool is characterized in that: the sliding assembly comprises an installation seat fixed at the end part of the cross beam, and a rolling piece in rolling contact with the longitudinal beam is rotationally connected to the bottom of the installation seat.
3. The sliding tool for repairing the bearings and gear technical improvement of the wind power gear box on the tower according to claim 2, wherein the sliding tool is characterized in that: the locating piece is connected to the mounting seat on the outer side of the rolling piece, and the locating piece can be vertically lifted and adjusted to the bottom end to prop against the longitudinal beam, so that the rolling piece is lifted and separated from the longitudinal beam.
4. The sliding tool for repairing the bearings and gear technical improvement of the wind power gear box on the tower according to claim 2, wherein the sliding tool is characterized in that: the mounting seat bottom integrated into one piece has two vertical backup pads side by side, has seted up the mounting hole in the backup pad, the rolling element passes through the axle to be installed between the backup pad.
5. The sliding tool for repairing the bearings and gear technical improvement of the wind power gear box on the tower according to claim 4, wherein the sliding tool is characterized in that: at least two rolling elements are arranged on the single mounting seat side by side.
6. The sliding tool for repairing the bearings and gear technical improvement of the wind power gear box on the tower according to claim 5, wherein the sliding tool is characterized in that: the positioning pieces are arranged on the longitudinal front side and the longitudinal rear side of the rolling pieces.
7. The sliding tool for repairing the bearings and gear technical improvement of the wind power gear box on the tower according to claim 6, wherein the sliding tool is characterized in that: the outside of the mounting seat is provided with a guide groove covered on the outside of the longitudinal beam.
8. The sliding tool for repairing a wind power gear box bearing and gear technical improvement on a tower according to claim 1, wherein the sliding tool is characterized in that: the sliding cross beam is provided with a mounting structure for hanging a hoist.
9. The sliding tool for repairing a wind power gear box bearing and gear technical improvement on a tower according to claim 1, wherein the sliding tool is characterized in that: the sliding cross beams are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055247.0U CN220300214U (en) | 2023-07-31 | 2023-07-31 | Sliding tool for repairing wind power gear box bearing and gear technical improvement on tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055247.0U CN220300214U (en) | 2023-07-31 | 2023-07-31 | Sliding tool for repairing wind power gear box bearing and gear technical improvement on tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220300214U true CN220300214U (en) | 2024-01-05 |
Family
ID=89346978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322055247.0U Active CN220300214U (en) | 2023-07-31 | 2023-07-31 | Sliding tool for repairing wind power gear box bearing and gear technical improvement on tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220300214U (en) |
-
2023
- 2023-07-31 CN CN202322055247.0U patent/CN220300214U/en active Active
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