CN102689174A - Device for replacing high-speed shaft of wind turbine gearbox - Google Patents
Device for replacing high-speed shaft of wind turbine gearbox Download PDFInfo
- Publication number
- CN102689174A CN102689174A CN2012102061176A CN201210206117A CN102689174A CN 102689174 A CN102689174 A CN 102689174A CN 2012102061176 A CN2012102061176 A CN 2012102061176A CN 201210206117 A CN201210206117 A CN 201210206117A CN 102689174 A CN102689174 A CN 102689174A
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- slide rail
- speed shaft
- rail crossbeam
- electricity generation
- powered electricity
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Abstract
The invention relates to a device for replacing a high-speed shaft of a wind turbine gearbox. The device comprises a fixing unit, a support, a slide rail beam, a lifting rod and a high-speed shaft fastening ring, wherein the support is arranged on the fixing unit, the slide rail beam is shaped like a long rod and horizontally arranged on the support, the lifting rod is arranged on the slide rail beam and capable of sliding along the slide rail beam, the high-speed shaft fastening ring is shaped like a circular ring and arranged at the bottom of the lifting rod, the lifting rod is vertical to the slide rail beam, and the central axis of the high-speed shaft fastening ring is parallel to the slide rail beam. When the high-speed shaft of the gearbox needs to be replaced, the device for replacing the high-speed shaft of the wind turbine gearbox is arranged on a supporting support of a brake disc of the wind turbine gearbox through the fixing unit. The lifting rod can slide along the slide rail beam, and at this moment, one end of a chain block is connected to the lifting rod, and the other end of the chain block is connected to a fixed part in a cabin. The chain block slowly applies force to drive the lifting rod to move along the slide rail beam, so that the high-speed shaft is conveniently and rapidly taken out of the gearbox.
Description
Technical field
The present invention relates to a kind of device of safeguarding the wind-powered electricity generation gear-box on wind power generation stepped, especially a kind of device that is used to change wind-powered electricity generation gearbox high-speed axle.
Background technology
Gear-box is one of the most key parts of wind power generating set, and it is between wind wheel and generator.The working environment of wind-driven generator is very abominable; The size and Orientation that in running, stands load all is difficult to prediction; A large amount of uncertainties of instantaneous load, time dependent luffing alternate load etc. cause wind power generating set very easily to break down; As main drive disk assembly in the wind power generating set, gear-box is that present wind power generating set is easy to generate one of parts of fault most.And wind power generating set generally is installed in remote areas such as field, wilderness, mountain pass, seashore; Parts such as gearbox, generator are installed on again in the narrow and small cabin of the tens meters height in ground; Age at failure generally appears at the peak period of generating because environment abominable, have inconvenient traffic, in a single day gear-box encounters difficulties; Repair very difficulty, with the economic benefit that badly influences wind field.
In the fault of gear-box, the damage of gear member and bearing accounts for bigger proportion, and in gear-box inner components fault statistics, the fault rate of high speed axial region cover is higher.The damage type of high speed shaft mainly comprises gear tooth breakage, not enough or lubricated insufficient gear generation spot corrosion, gummed, flank of tooth of causing comes off bearing wear etc. because of fuel feeding.Because of not considering gearbox high-speed axle convertibility in the early stage gear box designs, in case high speed shaft breaks down, in most cases gear-box must be removed down tower and reprocesses, and expense is higher, and the whole maintenance duration is longer.The development technological along with gear box designs reaches the design optimization to the gear-box of early stage production, and gearbox high-speed axle major part has all realized and can on tower, change at present.But changing at present high speed shaft on the tower mainly changes by manpower and chain block, simple frock etc.; Narrow and small because of space in the cabin, the weight of high speed shaft is heavier, and high speed shaft also continues to increase with the increase weight of gear-box capacity; Not only depending on manpower and simple frock to change high speed shaft by professional equipment has been difficult to realize; The operation of changing high speed shaft is with extremely difficult, and it is longer to change the duration, with the economic benefit that badly influences wind field; And be easy to cause the damage of damaging of gear member and bearing in the replacing process, influence the operation stability of gear-box.
Summary of the invention
Technical scheme of the present invention be for overcome existing change the inconvenient operation that exists in the wind-powered electricity generation gearbox high-speed axle technology, replacement cycle length, fragile parts, change shortcomings such as then influencing the high speed shaft operation conditions, a kind of device that is used to change wind-powered electricity generation gearbox high-speed axle is proposed.
The present invention overcomes the technical scheme that its technical problem adopts:
Originally be used to change the device of wind-powered electricity generation gearbox high-speed axle; The slide rail crossbeam that comprise fixed cell, support, the level on the fixed cell of being installed on is installed on the elongated rod shape on the support, be installed on the slide rail crossbeam and the vertical loading board that can slide along the slide rail crossbeam, the circular high speed shaft hold-fast ring that is that is installed on the vertical loading board bottom; Said vertical loading board is perpendicular to the slide rail crossbeam, and the axis of high speed shaft hold-fast ring is parallel to the slide rail crossbeam.
Above-mentioned high speed shaft hold-fast ring is made up of two upper semi-circle ring body and lower half circle ring bodies that all are semi-annular shape; The upper semi-circle ring body is fixed in the bottom of vertical loading board; The lower half circle ring body is fastened on the working torus through bolt, and the diameter of bore after upper semi-circle ring body and lower half circle ring body fasten is slightly less than the diameter of high speed shaft axle head.
Above-mentioned slide rail crossbeam bottom surface is provided with several can be along the circular slip ring that is of slide rail crossbeam slip.
Also comprise two elongated pull bars, pull bar one end is fixed on the supporting traverse, and the other end is fixed on the end of slide rail crossbeam on the plane.
The two ends of above-mentioned slide rail crossbeam are installed with two limited blocks respectively.
Above-mentioned vertical loading board centre position is fixed with the connecting plate of strip, and the connecting plate both sides are horizontally installed with two and are rightabout retainer ring.
The said fixing unit is made up of a riser and a flat board and is the T font.
Above-mentioned support is by being installed on the brace summer that is inverted T-shape on the fixed cell, being fixed in the brace summer top and being cantilever-shaped supporting traverse with respect to brace summer and constitute, and said slide rail crossbeam level is installed on the outer end of supporting traverse.
The riser both sides of above-mentioned brace summer are respectively arranged with fixedly gusset, two fixedly gusset be connected on the base plate and riser of brace summer, comprise that also a bearing rib one end is connected on the riser of brace summer, the other end is connected on the supporting traverse.
The invention has the beneficial effects as follows: when needs are changed the high speed shaft of gear-box, the device that originally is used to change wind-powered electricity generation gearbox high-speed axle is installed in wind-powered electricity generation gear-box brake disc erection support through fixed cell.Because vertical loading board can slide along the slide rail crossbeam, this moment, the end with chain block was connected on the vertical loading board, and the other end is connected on the securing part in the cabin.The slow application of force of chain block drives vertical loading board and moves along the slide rail crossbeam, and can drive high speed shaft through the high speed shaft hold-fast ring can slowly move to motor side.Realization is conveniently taken out high speed shaft from gear-box.Simple in structure, by chain block high speed shaft is extracted and can be saved manpower, improve processing safety, promote efficient.Mount in slip ring and the chain block that is lifted on high speed shaft upwind bearing and following wind direction bearing through two and can also prevent that causing in the moving process from rocking; And along with high speed shaft is pulled out at leisure also and can be played certain anti-tipping effect, the parts in order to avoid high speed shaft collides with in the gear-box to high speed shaft.Further improved the security of installing/dismounting high speed shaft process, reliability.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present invention;
Fig. 2 is a left TV structure sketch map of the present invention;
Fig. 3 is a user mode structural representation of the present invention;
Fig. 4 is a user mode perspective view of the present invention;
Among the figure, 1. fixing 18. times wind direction bearings of gusset 3. brace summer 4. bearing ribs, 5. supporting traverse 6. vertical loading boards, 7. connecting plate 8. high speed shaft hold-fast rings, 9. slide rail crossbeam 10. pull bars, 11. slip ring 12. limited blocks, 13. retainer ring 14. chain block A, 15. chain block B 16. upwind bearings, 17. high speed shafts, 19. chain block C, 20. gear-boxes of fixed cell 2..
The specific embodiment
Further specify below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3,4 couples of the present invention of accompanying drawing.
Originally be used to change the device of wind-powered electricity generation gearbox high-speed axle; The slide rail crossbeam 9 that comprise fixed cell 1, support, the level on the fixed cell 1 of being installed on is installed on the elongated rod shape on the support, be installed on the slide rail crossbeam 9 and the vertical loading board 6 that can slide along slide rail crossbeam 9, be installed on circular high speed shaft hold-fast ring 8 of being of vertical loading board 6 bottoms; Said vertical loading board 6 is perpendicular to slide rail crossbeam 9, and the axis of high speed shaft hold-fast ring 8 is parallel to slide rail crossbeam 9.Said fixing unit 1 is made up of a riser and a flat board and is the T font.Above-mentioned support is by being installed on the brace summer that is inverted T-shape 3 on the fixed cell 1, being fixed in brace summer 3 tops and being cantilever-shaped supporting traverse 5 with respect to brace summer 3 and constitute, and said slide rail crossbeam 9 levels are installed on the outer end of supporting traverse 5.The riser both sides of said brace summer 3 be respectively arranged with fixedly 2, two of gussets fixedly gusset 2 be connected on the base plate and riser of brace summer 3.Fixedly gusset 2 can strengthen its mechanical property of improved strength of brace summer 3.Comprise that also a bearing rib 4 one ends are connected on the riser of brace summer 3, the other end is connected on the supporting traverse 5.Bearing rib 4 can improve the bonding strength of supporting traverse 5 and brace summer 3, improves the bending resistance of supporting traverse 5.
Said high speed shaft hold-fast ring 8 is made up of two upper semi-circle ring body and lower half circle ring bodies that all are semi-annular shape; The upper semi-circle ring body is fixed in the bottom of vertical loading board 6; The lower half circle ring body is fastened on the working torus through bolt, and the diameter of bore after upper semi-circle ring body and lower half circle ring body fasten is slightly less than the diameter of high speed shaft 17 axle heads.During use upper semi-circle ring body and lower half circle ring body are fastened on the axle head of high speed shaft 17 and tighten through bolt; Because the diameter of bore after upper semi-circle ring body and lower half circle ring body fasten is slightly less than the diameter of high speed shaft 17 axle heads; So after fastening, fixedly high speed shaft 17.When needs are changed the high speed shaft 17 of gear-box 20, the device that originally is used to change wind-powered electricity generation gearbox high-speed axle is installed in wind-powered electricity generation gear-box 20 brake disc erection supports through fixed cell 1.Because vertical loading board 6 can slide along slide rail crossbeam 9, this moment, the end with chain block C 19 was connected on the vertical loading board 6, and the other end is connected on the securing part in the cabin.The chain block C 19 slow application of forces drive vertical loading board 6 and move along slide rail crossbeam 9, and can drive high speed shaft 17 through high speed shaft hold-fast ring 8 can slowly move to motor side.Realization is conveniently taken out high speed shaft 17 from gear-box 20.
Above-mentioned slide rail crossbeam 9 bottom surfaces are provided with several can be along the circular slip ring 11 that is of slide rail crossbeam 9 slips.Can also two chain block A 14, chain block B 15 be mounted on slip ring 11 during the disengage gear case high speed axis, near the following wind direction bearing 18 of chain block A 14 lifting high speed shafts 17, near the upwind bearing 16 of chain block B 15 lifting high speed shafts 17.When the peep hole of chain block A 14 and gear-box 20 interferes can not continue to move the time, chain block A 14 was pulled down and moved to gear-box 20 on high speed shaft 17 outside, and lifting is positioned on the outer high speed shaft 17 of gear-box 20 again.And along with constantly pulling out of high speed shaft 17; Constantly change the fixed position of chain block B 15 on high speed shaft 17; Guarantee that high speed shaft 17 moves along axis direction in unloading process; Can also prevent that causing in the moving process from rocking, and along with high speed shaft 17 is pulled out at leisure also and can be played certain anti-tipping effect to high speed shaft 17, the parts in order to avoid high speed shaft 17 collides with in the gear-box 20.
Also comprise two elongated pull bars 10, pull bar 10 1 ends are fixed on the supporting traverse 5, and the other end is fixed on the end of slide rail crossbeam 9 on the plane.Pull bar 10 can play strengthens slide rail crossbeam 9 and the bonding strength of supporting traverse 5 and the rigidity of slide rail crossbeam 9.When avoiding re-using vertical loading board 6 being pulled to far-end because the long distortion that causes slide rail crossbeam 9 of the arm of force.
The two ends of above-mentioned slide rail crossbeam 9 are installed with two limited blocks 12 respectively.Limited block 12 can shelter from the two ends of slide rail crossbeam 9, and the displacement of vertical loading board 6 and slip ring 11 is excessive when avoiding the use of skids off from slide rail crossbeam 9, causes danger.
Above-mentioned vertical loading board 6 centre positions are fixed with the connecting plate 7 of strip, and connecting plate 7 both sides are horizontally installed with two and are rightabout retainer ring 13.Two opposite retainer rings 13 on the connecting plate 7 can satisfy when dismantling high speed shaft 17 and high speed shaft 17 being installed because the application of force direction of chain block C 19 all can be used this device under condition of different.Improved the multifunctionality of device.If two retainer rings 13 are if being rightabout is installed on the vertical loading board 6, the thickness of vertical loading board 6 just needs to satisfy two retainer rings 13 and can not interfere, thereby causes the situation of waste material.
The mode of operation that high speed shaft is installed is similar, and the application of force of chain block C 19 is in the opposite direction, rightabout retainer ring 20 when chain block C 19 1 ends connect with dismounting, and the other end is connected on the securing part of cabin internal tooth roller box 20 inputs.When seeing high speed shaft 17 parts from peep hole, chain block B 15 is changed near the high speed shaft upwind end bearing 16, along with pack into the fixing position of high speed shaft of the continuous conversion chain block of increase B 16 of the degree of depth of high speed shaft 17, be in place until high speed shaft.
Claims (9)
1. device that is used to change wind-powered electricity generation gearbox high-speed axle; It is characterized in that: the slide rail crossbeam (9) that comprise fixed cell (1), support, the level on the fixed cell (1) of being installed on is installed on the elongated rod shape on the support, be installed on that slide rail crossbeam (9) is gone up and the vertical loading board (6) that can slide along slide rail crossbeam (9), the circular high speed shaft hold-fast ring (8) that is that is installed on vertical loading board (6) bottom; Said vertical loading board (6) is perpendicular to slide rail crossbeam (9), and the axis of high speed shaft hold-fast ring (8) is parallel to slide rail crossbeam (9).
2. the device that is used to change wind-powered electricity generation gearbox high-speed axle according to claim 1; It is characterized in that: said high speed shaft hold-fast ring (8) is made up of two upper semi-circle ring body and lower half circle ring bodies that all are semi-annular shape; The upper semi-circle ring body is fixed in the bottom of vertical loading board (6); The lower half circle ring body is fastened on the upper semi-circle ring body through bolt, and the diameter of bore after upper semi-circle ring body and lower half circle ring body fasten is slightly less than the diameter of high speed shaft (17) axle head.
3. the device that is used to change wind-powered electricity generation gearbox high-speed axle according to claim 1 is characterized in that: said slide rail crossbeam (9) bottom surface is provided with several can be along the circular slip ring (11) that is of slide rail crossbeam (9) slip.
4. the device that is used to change wind-powered electricity generation gearbox high-speed axle according to claim 1; It is characterized in that: also comprise two elongated pull bars (10); Pull bar (10) one ends are fixed on the supporting traverse (5), and the other end is fixed on the end of slide rail crossbeam (9) on the plane.
5. the device that is used to change wind-powered electricity generation gearbox high-speed axle according to claim 1 is characterized in that: the two ends of said slide rail crossbeam (9) are installed with two limited blocks (12) respectively.
6. the device that is used to change wind-powered electricity generation gearbox high-speed axle according to claim 1; It is characterized in that: said vertical loading board (6) centre position is fixed with the connecting plate (7) of strip, and connecting plate (7) both sides are horizontally installed with two and are rightabout retainer ring (13).
7. the device that is used to change wind-powered electricity generation gearbox high-speed axle according to claim 1 is characterized in that: said fixed cell (1) is made up of a riser and a flat board and is the T font.
8. according to any described device that is used to change wind-powered electricity generation gearbox high-speed axle of claim 1 to 7; It is characterized in that: said support is by being installed on the brace summer that is inverted T-shape (3) on the fixed cell (1), being fixed in brace summer (3) top and being cantilever-shaped supporting traverse (5) with respect to brace summer (3) and constitute, and said slide rail crossbeam (9) level is installed on the outer end of supporting traverse (5).
9. the device that is used to change wind-powered electricity generation gearbox high-speed axle according to claim 8; It is characterized in that: the riser both sides of said brace summer (3) are respectively arranged with fixedly gusset (2); Two fixedly gusset (2) be connected on the base plate and riser of brace summer (3); Comprise that also a bearing rib (4) one ends are connected on the riser of brace summer (3), the other end is connected on the supporting traverse (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206117.6A CN102689174B (en) | 2012-06-21 | 2012-06-21 | Device for replacing high-speed shaft of wind turbine gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206117.6A CN102689174B (en) | 2012-06-21 | 2012-06-21 | Device for replacing high-speed shaft of wind turbine gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102689174A true CN102689174A (en) | 2012-09-26 |
| CN102689174B CN102689174B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210206117.6A Active CN102689174B (en) | 2012-06-21 | 2012-06-21 | Device for replacing high-speed shaft of wind turbine gearbox |
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| CN (1) | CN102689174B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108105041A (en) * | 2017-12-28 | 2018-06-01 | 南京高速齿轮制造有限公司 | The device of maintenance gear case and its application on tower |
| CN112173970A (en) * | 2020-09-30 | 2021-01-05 | 广州黄船海洋工程有限公司 | Hoisting tool for lifting gear box of self-elevating wind power installation platform and use method |
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| CN112173970A (en) * | 2020-09-30 | 2021-01-05 | 广州黄船海洋工程有限公司 | Hoisting tool for lifting gear box of self-elevating wind power installation platform and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102689174B (en) | 2014-05-07 |
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Owner name: CNR WIND POWER CO., LTD. Free format text: FORMER OWNER: JINAN RAIL TRAFFIC EQUIPMENT CO., LTD. Effective date: 20140804 |
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Free format text: CORRECT: ADDRESS; FROM: 250022 JINAN, SHANDONG PROVINCE TO: 250101 JINAN, SHANDONG PROVINCE |
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Effective date of registration: 20140804 Address after: 250101 Century Avenue, Ji'nan high tech Zone, Shandong, No. 3666 Patentee after: CNR Wind Power Co., Ltd. Address before: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Patentee before: Jinan Rail Traffic Equipment Co., Ltd. |