CN109630658B - Gear train uniform load adjusting mechanism suitable for wind power speed increasing gear box - Google Patents
Gear train uniform load adjusting mechanism suitable for wind power speed increasing gear box Download PDFInfo
- Publication number
- CN109630658B CN109630658B CN201811619042.8A CN201811619042A CN109630658B CN 109630658 B CN109630658 B CN 109630658B CN 201811619042 A CN201811619042 A CN 201811619042A CN 109630658 B CN109630658 B CN 109630658B
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- Prior art keywords
- adjusting
- gear
- gear shaft
- driving gear
- wind power
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000005461 lubrication Methods 0.000 claims description 17
- 239000003921 oil Substances 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012795 verification Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02078—Gearboxes for particular applications for wind turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
- F16H2057/0221—Axial adjustment
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a gear train uniform load adjusting mechanism suitable for a wind power speed increasing gear box, which comprises the following components: the box body, the driven gear shaft and a plurality of driving gear shaft groups; the driven gear shaft and the driving gear shaft group are mounted to the box body; the drive gear shaft group includes: a drive gear shaft and a drive gear; the driven gear shaft is provided with a driven gear; the driving gears of the driving gear shaft groups are meshed with the driven gears; wherein the driving gear and the driven gear are helical gears; the gear train uniform load adjusting mechanism suitable for the wind power speed increasing gear box further comprises an adjusting device; the adjusting device is used for adjusting the axial position of the driving gear shaft relative to the driven gear shaft so as to adjust the inter-tooth gap between the driving gear and the driven gear. The gear train uniform load adjusting mechanism suitable for the wind power speed increasing gear box can adjust the gap between teeth of the driving gear and the driven gear through the adjusting device, and can achieve the purpose of uniform load distribution among gear teeth.
Description
Technical Field
The invention relates to a gear train uniform load adjusting mechanism suitable for a wind power speed increasing gear box.
Background
Because the gear manufacturing precision and the installation precision and the gear generate the useless elastic deformation for transmission under the action of heavy load in the transmission process, the dislocation quantity is generated between the mutually meshed gear teeth, thereby influencing the meshing and transmission performance between the gear teeth and failing to realize the load uniform distribution of multiple gears. Under the condition of uneven load distribution, the abrasion of gear teeth is accelerated, and the service life of the gear is shortened. Therefore, uniform load is very important for gear transmission. Conventionally, strain gages are attached to tooth roots of different gears, and stress distribution of the tooth roots is measured. However, in this method, strain gages need to be attached before the gear box is assembled, and after the gear box is assembled as a whole, stress measurement and calculation are performed through a full load test, and then the strain gages are removed, reassembled and tested, which requires a great deal of labor cost and verification cost.
Disclosure of Invention
The invention provides a gear train uniform load adjusting mechanism suitable for a wind power speed increasing gear box, which adopts the following technical scheme:
wheel train equal load adjustment mechanism suitable for wind-powered electricity generation step-up gear box includes: the box body, the driven gear shaft and a plurality of driving gear shaft groups; the driven gear shaft and the driving gear shaft group are mounted to the box body; the drive gear shaft group includes: a drive gear shaft and a drive gear; the driven gear shaft is provided with a driven gear; the driving gear is fixed to the driving gear shaft; the driving gears of the driving gear shaft groups are meshed with the driven gears; wherein the driving gear and the driven gear are helical gears; the gear train uniform load adjusting mechanism suitable for the wind power speed increasing gear box further comprises an adjusting device; the adjusting device is used for adjusting the axial position of the driving gear shaft relative to the driven gear shaft so as to adjust the inter-tooth gap between the driving gear and the driven gear; the adjusting device is arranged at one end of the driving gear shaft.
Further, it is characterized in that the adjusting means comprises: the flange, the adjusting nut, the adjusting bolt and the adjusting bearing; the flange is fixed to the box body; the flange and the box body are positioned at two sides of the adjusting nut so as to limit the axial displacement of the adjusting nut; the adjusting nut is in threaded connection with the rod part of the adjusting bolt so as to drive the axial movement of the adjusting bolt through the circumferential rotation of the adjusting nut; the adjusting bearing is fixed to one end of the driving gear shaft; the adjusting bearing comprises: two carrier plates connected to each other; the head of the adjusting bolt is arranged between the two bearing plates; the adjusting bolt drives the driving gear shaft to axially displace through the adjusting bearing.
Further, the adjusting device further includes: a gasket; the washer is arranged between the bearing plate and the head of the adjusting bolt.
Further, the adjusting bolt is formed with a lubrication oil passage for lubricating the gear.
Further, the lubrication oil passage includes: a first lubrication oil path and a second lubrication oil path; the first lubrication oil passage is led to the side surface of the head part of the adjusting bolt through the end surface of the rod part of the adjusting bolt; the second lubrication oil passage is led to an end face of the head portion of the adjusting bolt via a side face of the rod portion of the adjusting bolt.
Further, the adjusting bolt includes an operating portion for a user to operate to rotate the adjusting bolt; the operation part protrudes from the flange.
Further, the operation portion is formed with a plurality of through holes.
Further, the adjusting bearing further includes: a connecting piece; the connecting piece is connected with the two bearing plates and is positioned between the two bearing plates.
Further, the adjusting bearing is fixed to the drive gear shaft by bolts passing through both carrier plates.
Further, the train uniform load adjusting mechanism suitable for the wind power speed increasing gearbox further comprises: a planet carrier and an inner gear ring; the planet carrier is fixed to the annular gear; the driving gear shafts of the driving gear shaft groups are meshed with the inner gear ring.
The invention has the advantages that the driving gear and the driven gear of the gear train uniform load adjusting mechanism suitable for the wind power speed increasing gear box are helical gears. The axial position of the driving gear shaft relative to the driven gear shaft is adjusted through the adjusting device so as to adjust the gap between teeth of the driving gear and the driven gear, and the aim of uniformly distributing load among gear teeth can be achieved. Meanwhile, the gap between the driving gear and the driven gear is adjusted by adopting the adjusting device, repeated assembly, disassembly and test are not needed, the labor cost and the verification cost are effectively reduced, the failure probability of the gear box is reduced, and the reliability and the service life of the product are provided.
Drawings
FIG. 1 is a cross-sectional view of a gear train load balancing adjustment mechanism suitable for a wind-powered speed increasing gearbox of the present invention;
FIG. 2 is a schematic illustration of the meshing of the driving and driven gears of the train load balancing adjustment mechanism of FIG. 1 for a wind-powered speed increasing gearbox;
fig. 3 is a cross-sectional view of an adjustment device of the train load balancing adjustment mechanism of fig. 1 adapted for a wind power speed increasing gearbox.
The gear train uniform load adjusting mechanism 10 suitable for the wind power speed increasing gear box comprises a box body 11, a driven gear shaft 12, a driving gear shaft group 13, a driving gear shaft 131, a driving gear 132, a driven gear 121, an adjusting device 14, a flange 141, an adjusting nut 142, an adjusting bolt 143, an adjusting bearing 144, a bearing plate 1441, a connecting piece 1442, a gasket 15, a lubricating oil circuit 16, a first lubricating oil circuit 161, a second lubricating oil circuit 162, an operating part 1431, a through hole 1432, a planet carrier 17 and an annular gear 18.
Detailed Description
The invention is described in detail below with reference to the drawings and the specific embodiments.
As shown in fig. 1 to 3, a gear train load balancing adjustment mechanism 10 suitable for a wind power speed increasing gearbox includes: the box 11, driven gear axle 12 and a plurality of driving gear axle group 13. The driven gear shaft 12 and the drive gear shaft group 13 are mounted in the housing 11. The drive gear shaft group 13 includes: a drive gear shaft 131 and a drive gear 132. The driven gear shaft 12 is formed with a driven gear 121. The driving gear 132 is fixed to the driving gear shaft 131. The driving gears 132 of the plurality of driving gear shaft groups 13 are engaged with the driven gears 121. Wherein the driving gear 132 and the driven gear 121 are helical gears.
As a preferred embodiment, the train load balancing adjustment mechanism 10 suitable for a wind power speed increasing gearbox further comprises an adjustment device 14. The adjusting device 14 can adjust the axial position of the driving gear shaft 131 with respect to the driven gear shaft 12, thereby adjusting the helical tooth space gap between the driving gear 132 and the driven gear 121. The purpose of uniform load distribution between the teeth can be achieved by adjusting the gap between the helical teeth between the driving gear 132 and the driven gear 121. Meanwhile, the adjusting device 14 is adopted to adjust the gap between the helical teeth of the driving gear 132 and the driven gear 121, repeated assembly, disassembly and test are not needed, the labor cost and the verification cost are effectively reduced, the failure probability of the gear box is reduced, and the reliability and the service life of the product are provided. The adjusting device 14 is disposed at one end of the drive gear shaft 131.
As a preferred embodiment, the adjusting means 14 comprise: flange 141, adjusting nut 142, adjusting bolt 143, and adjusting bearing 144. The flange 141 is fixed to the case 11. The flange 141 and the case 11 are located at both sides of the adjustment nut 142 to limit the axial displacement of the adjustment nut 142. The adjusting nut 142 is screwed with the rod portion of the adjusting bolt 143 to drive the axial movement of the adjusting bolt 143 by circumferential rotation of the adjusting nut 142. An adjustment bearing 144 is fixed to one end of the drive gear shaft 131. The adjusting bearing 144 includes: two carrier plates 1441 connected to each other. The head of the adjusting bolt 143 is disposed between the two bearing plates 1441. The adjusting bolt 143 drives the driving gear shaft 131 to axially displace via the adjusting bearing 144.
Specifically, since the flange 141 and the case 11 are located at both sides of the adjustment nut 142, the axial displacement of the adjustment nut 142 is restricted, so that the adjustment bolt 143 is axially displaced by the screw drive of the adjustment nut 142 when the adjustment nut 142 is rotated. The adjusting bolt 143 drives the driving gear shaft 131 to axially displace through the adjusting bearing 144. In this way, the gap between the helical teeth of the driving gear 132 and the driven gear 121 can be adjusted, and the purpose of uniform distribution of load between the teeth can be achieved.
As a preferred embodiment, the adjusting device 14 further comprises: and a gasket 15. The washer 15 is disposed between the carrier plate 1441 and the head of the adjusting bolt 143.
Specifically, the washer 15 can protect the contact surface between the bearing plate 1441 and the adjusting bolt 143 from abrasion due to axial tension on the contact surface between the bearing plate 1441 and the adjusting bolt 143.
As a preferred embodiment, the adjusting bolt 143 is formed with a lubrication oil passage 16 for lubricating the gear.
As a specific embodiment, the lubrication oil passage 16 includes: a first lubrication oil passage 161 and a second lubrication oil passage 162. The first lubrication oil passage 161 opens to a side surface of the head portion of the adjustment bolt 143 via an end surface of the rod portion of the adjustment bolt 143 to lubricate the adjustment bearing 144. The second lubrication oil passage 162 is led to an end surface of the head portion of the adjustment bolt 143 via a side surface of the rod portion of the adjustment bolt 143 to lubricate a contact surface of the washer 15 with the carrier plate 1441 and a contact surface of the washer 15 with the adjustment bolt 143.
As a preferred embodiment, the adjustment bolt 143 includes an operating portion 1431. The operation portion 1431 protrudes from the flange 141 and can be operated by a user to rotate the adjustment bolt 143.
As a preferred embodiment, the operation portion 1431 is formed with a plurality of through holes 1432.
As a preferred embodiment, the adjustment bearing 144 further comprises: a connecting member 1442. The connecting member 1442 connects the two bearing plates 1441 to fix one end of the adjusting bolt 143 between the two bearing plates 1441. The connecting member 1442 is located between the two carrier plates 1441.
As a preferred embodiment, the adjustment bearing 144 is fixed to the drive gear shaft 131 by bolts passing through two carrier plates 1441.
As a preferred embodiment, the gear train load balancing adjustment mechanism 10 suitable for the wind power speed increasing gearbox further includes: a planet carrier 17 and an annulus gear 18. The planet carrier 17 is fixed to the ring gear 18. The driving gear shafts 131 of the plurality of driving gear shaft groups 13 are all meshed with the ring gear 18.
Specifically, the rotation of the carrier 17 drives the ring gear 18 to rotate. The ring gear 18 is engaged with the driving gear shaft 131 to rotate the driving gear shaft 131. The driving gear shaft 131 drives the driven gear shaft 12 to rotate through the driving gear 132.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the invention in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.
Claims (6)
1. Wheel train uniform load adjustment mechanism suitable for wind-powered electricity generation step-up gear box, its characterized in that includes: the box body, the driven gear shaft and a plurality of driving gear shaft groups; the driven gear shaft and the driving gear shaft group are mounted to the box body; the drive gear shaft group includes: a drive gear shaft and a drive gear; the driven gear shaft is provided with a driven gear; the drive gear is fixed to the drive gear shaft; the driving gears of the driving gear shaft groups are meshed with the driven gears; wherein the driving gear and the driven gear are helical gears; the gear train uniform load adjusting mechanism suitable for the wind power speed increasing gear box further comprises an adjusting device; the adjusting device is used for adjusting the axial position of the driving gear shaft relative to the driven gear shaft so as to adjust the inter-tooth gap between the driving gear and the driven gear; the adjusting device is arranged at one end of the driving gear shaft;
The adjusting device comprises: the flange, the adjusting nut, the adjusting bolt and the adjusting bearing; the flange is fixed to the box; the flange and the box body are positioned at two sides of the adjusting nut so as to limit the axial displacement of the adjusting nut; the adjusting nut and the rod part of the adjusting bolt form threaded connection so as to drive the adjusting bolt to axially move through circumferential rotation of the adjusting nut; the adjusting bearing is fixed to one end of the driving gear shaft; the adjusting bearing includes: two carrier plates connected to each other; the head parts of the adjusting bolts are arranged between the two bearing plates; the adjusting bolt drives the driving gear shaft to axially displace through the adjusting bearing;
The adjusting device further includes: a gasket; the gasket is arranged between the bearing plate and the head part of the adjusting bolt;
the adjusting bolt is provided with a lubricating oil path for lubricating the gear;
the adjusting bearing is fixed to the drive gear shaft by bolts passing through both of the carrier plates.
2. The gear train load balancing adjustment mechanism suitable for the wind power speed increasing gearbox according to claim 1, wherein,
The lubrication oil passage includes: a first lubrication oil path and a second lubrication oil path; the first lubrication oil passage is led to the side surface of the head part of the adjusting bolt through the end surface of the rod part of the adjusting bolt; the second lubrication oil passage is led to an end face of the head portion of the adjusting bolt via a side face of the rod portion of the adjusting bolt.
3. The gear train load balancing adjustment mechanism suitable for the wind power speed increasing gearbox according to claim 1, wherein,
The adjusting bolt includes an operating portion for a user to operate to rotate the adjusting bolt; the operation part protrudes from the flange.
4. The gear train load balancing adjustment mechanism suitable for the wind power speed increasing gearbox according to claim 3, wherein,
The operation portion is formed with a plurality of through holes.
5. The gear train load balancing adjustment mechanism suitable for the wind power speed increasing gearbox according to claim 1, wherein,
The adjusting bearing further includes: a connecting piece; the connecting piece is connected with the two bearing plates and is positioned between the two bearing plates.
6. The gear train load balancing adjustment mechanism suitable for the wind power speed increasing gearbox according to claim 1, wherein,
The gear train uniform load adjusting mechanism suitable for the wind power speed increasing gear box further comprises: a planet carrier and an inner gear ring; the planet carrier is fixed to the ring gear; the driving gear shafts of the driving gear shaft groups are meshed with the inner gear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619042.8A CN109630658B (en) | 2018-12-28 | 2018-12-28 | Gear train uniform load adjusting mechanism suitable for wind power speed increasing gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619042.8A CN109630658B (en) | 2018-12-28 | 2018-12-28 | Gear train uniform load adjusting mechanism suitable for wind power speed increasing gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630658A CN109630658A (en) | 2019-04-16 |
| CN109630658B true CN109630658B (en) | 2024-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619042.8A Active CN109630658B (en) | 2018-12-28 | 2018-12-28 | Gear train uniform load adjusting mechanism suitable for wind power speed increasing gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630658B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170968U (en) * | 2011-08-03 | 2012-03-21 | 重庆齿轮箱有限责任公司 | Vertical planetary gear box transmission device |
| WO2014210462A1 (en) * | 2013-06-28 | 2014-12-31 | General Electric Company | Lightweight gear assembly for epicyclic gearbox |
| CN205479157U (en) * | 2016-02-16 | 2016-08-17 | 华东交通大学 | Wind -powered electricity generation gear box is all carried to double entry |
| KR101669571B1 (en) * | 2016-07-01 | 2016-10-26 | 도광회 | Gear box having backlash adjusting function |
| CN106949195A (en) * | 2017-05-09 | 2017-07-14 | 华东交通大学 | It is self-regulated to carry based on planet row and the uni-drive gear box carried coexists being linked between level |
| CN209671575U (en) * | 2018-12-28 | 2019-11-22 | 南京高速齿轮制造有限公司 | Train suitable for gear of wind power speed-increasing gearbox carries regulating mechanism |
-
2018
- 2018-12-28 CN CN201811619042.8A patent/CN109630658B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170968U (en) * | 2011-08-03 | 2012-03-21 | 重庆齿轮箱有限责任公司 | Vertical planetary gear box transmission device |
| WO2014210462A1 (en) * | 2013-06-28 | 2014-12-31 | General Electric Company | Lightweight gear assembly for epicyclic gearbox |
| CN205479157U (en) * | 2016-02-16 | 2016-08-17 | 华东交通大学 | Wind -powered electricity generation gear box is all carried to double entry |
| KR101669571B1 (en) * | 2016-07-01 | 2016-10-26 | 도광회 | Gear box having backlash adjusting function |
| CN106949195A (en) * | 2017-05-09 | 2017-07-14 | 华东交通大学 | It is self-regulated to carry based on planet row and the uni-drive gear box carried coexists being linked between level |
| CN209671575U (en) * | 2018-12-28 | 2019-11-22 | 南京高速齿轮制造有限公司 | Train suitable for gear of wind power speed-increasing gearbox carries regulating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109630658A (en) | 2019-04-16 |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191008 Address after: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant after: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200513 Address after: 211103 No.30, Houjiao Road, gaoxinyuan, Jiangning District, Nanjing City, Jiangsu Province Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |