CN205226294U - Wind -power gearbox - Google Patents
Wind -power gearbox Download PDFInfo
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- CN205226294U CN205226294U CN201521034195.8U CN201521034195U CN205226294U CN 205226294 U CN205226294 U CN 205226294U CN 201521034195 U CN201521034195 U CN 201521034195U CN 205226294 U CN205226294 U CN 205226294U
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- gear
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- pump
- oil
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Abstract
The utility model relates to a wind -power gearbox, the plastic width -lock type single -layer sealed packing case comprises a casin, the hollow shaft, the intermediate stage gear shaft, the fast axis, sun gear fixed mounting is at the front end of hollow shaft, the back pot head of hollow shaft is equipped with the integral key shaft, the integral key shaft constitutes the transmission with the intermediate stage gear shaft through first gear train and is connected the cooperation, the intermediate stage gear shaft passes through the transmission of second gear train constitution with the fast axis and is connected the cooperation, the oil pipe who carries lubricating oil installs in the box, oil pipe is connected with the oil tank through the mechanical pump, the pump shaft of mechanical pump is connected with the intermediate stage gear shaft through the shaft coupling. The utility model provides a gear box is arranged lubricating oil pipe inside the gear box, has avoided oil leak and the oil pipe condition because of hoisting, maintain the reason damage, adopts integral box structure, easily guarantees the machining precision of dead eye. Increased the mechanical pump, the mechanical pump still can lubricate through gear box moving drive counter gear case when the outage of motor pump lubricating system stopped, having cancelled the oil pump gear, had practiced thrift the cost more, had increased the gear box reliability of operation.
Description
Technical field
The utility model relates to field of wind power equipment, is specifically related to a kind of wind turbine gearbox.
Background technique
The external size of 1.25MW gear-box of producing at present and speed ratio can not meet the requirement that type is replaced completely, and gear box lubrication oil way adopts external oil pipe, and oil circuit exists leakage of oil situation, and gear-box lifting, safeguard time easily cause the bending of oil pipe.Casing is the upper lower box of separated type, is not easy to the machining accuracy ensureing bearing hole, as name is called the technological scheme recorded in the Chinese patent of " wind turbine gearbox " (patent No.: ZL201420419167.7).Gear-box only has single electric-motor pump lubrication system, as in gear-box stopping process or when fault causes unexpected lubricating system power-off, gear-box exists the situation of running dry.All the other generally adopt slow speed turbine stage to pass through the form of a pair oil pump gear driving device pump by the gear-box of mechanical pump structure, add the unreliability of cost of parts and gear-box operation.Gear member intensity is lower, easy broken teeth.Slow speed turbine stage Bearing configuration is unreasonable, and bearing life is lower.Lack pressure lubrication measure, it is unreliable to lubricate.
Model utility content
The purpose of this utility model is just to provide a kind of wind turbine gearbox, and it can effectively solve the problem, and the situation avoiding leakage of oil and oil pipe to damage because of lifting, maintenance reasons, ensures the machining accuracy of bearing hole.
For achieving the above object, the utility model have employed following technological scheme:
A kind of wind turbine gearbox, it is characterized in that: comprise integrated type casing, casing is provided with tubular axis, intergrade gear shaft and high speed shaft, tubular axis, intergrade gear shaft, high speed shaft is parallel to each other layout, the front end of tubular axis is provided with planet carrier, planet carrier is provided with planet wheel and ring gear, planet wheel, sun gear and ring gear composition planetary gear mechanism, sun gear is fixedly mounted on the front end of tubular axis, the rear end of tubular axis is arranged with splined shaft, splined shaft and intergrade gear shaft consist of to be in transmission connection the first gear train and coordinate, intergrade gear shaft and high speed shaft consist of to be in transmission connection the second gear train and coordinate, the oil pipe of conveying lubricant oil is arranged in casing, oil pipe is connected with fuel tank by mechanical pump, the pump shaft of mechanical pump is connected with intergrade gear shaft by coupling.
The wind turbine gearbox provided in technique scheme:
Have the following advantages:
1. adopt internal oil passages to reduce the risk of leakage of oil and Tubing failure, more compact structure;
2. all-in-one-piece casing bearing hole precision can not reduce because of reasons such as assemblings;
3. add the measure of mechanical pump lubrication assistant, reduce the risk that gear-box damages because of unlubricated;
4. mechanical pump does not need oil pump gear, reduces gear-box cost, and makes operation more reliable;
5. solve this model gear case of blower domestic to can not be substituted the problem of product, improve the utilization ratio of wind energy, reduce the fan parking time, break external monopolization, save state's inner blower O&M cost;
6. improve gear member bulk strength;
7. optimize Bearing configuration scheme, bearing life improves;
8. add pressure lubrication measure, make lubrication more reliable.
Accompanying drawing explanation
Fig. 1 is the utility model assembling schematic diagram;
Fig. 2 is the scheme of installation of oil pipe;
Fig. 3-1 is the plan view of casing;
Fig. 3-2 is the rear view of casing;
Fig. 3-3 is the side view of casing;
Fig. 4 is labyrinth seal structure schematic diagram;
A place enlarged diagram in Fig. 5;
Fig. 6 is the structural representation of stationary seal ring;
Fig. 7 is the structural representation of rotary packing ring.
Embodiment
In order to make the purpose of this utility model and advantage clearly understand, below in conjunction with embodiment, the utility model is specifically described.Should be appreciated that following word only in order to describe one or more concrete mode of executions of the present utility model, considered critical is not carried out to the protection domain that the utility model is specifically asked.
The technological scheme that the utility model is taked is as Fig. 1, shown in 2, a kind of wind turbine gearbox, comprise integrated type casing 6, integrated type casing and casing are not opened by subdivision, casing is as a whole, as Fig. 3-1, 3-2, shown in 3-3, casing 6 is provided with tubular axis 8, intergrade gear shaft 10 and high speed shaft 12, tubular axis 8, intergrade gear shaft 10, high speed shaft 12 is parallel to each other layout, the front end of tubular axis 8 is provided with planet carrier 1, planet carrier 1 is provided with planet wheel 13 and ring gear 4, planet wheel 13, sun gear 14 and ring gear 4 form planetary gear mechanism, sun gear 14 is fixedly mounted on the front end of tubular axis 8, the rear end of tubular axis 8 is arranged with splined shaft 5, splined shaft 5 and intergrade gear shaft 10 consist of to be in transmission connection the first gear train and coordinate, intergrade gear shaft 10 and high speed shaft 12 consist of to be in transmission connection the second gear train and coordinate, the oil pipe 18 of conveying lubricant oil is arranged in casing 6, oil pipe 18 is connected with fuel tank by mechanical pump, the pump shaft of mechanical pump is connected with intergrade gear shaft 10 by coupling.Lubricant pipe 18 is arranged in gear-box inside by the gear-box that the utility model provides on the basis meeting cabin inner joint size, avoid the situation that leakage of oil and oil pipe 18 damage because of lifting, maintenance reasons, adopt all-in-one-piece casing 6 structure, be easy to the machining accuracy ensureing bearing hole.Add mechanical pump, when the power-off of electric-motor pump lubrication system stops, mechanical pump still lubricates gear-box by the drive of gear-box running, and mechanical pump is driven by intergrade gear shaft 10 by coupling, eliminate oil pump gear, save cost lower, add gear-box reliability of operation.
Concrete scheme is, the front end of gear-box is also provided with the second transparent cover 102 and toggle 3, casing 6 is connected with toggle 3 with pin by bolt with ring gear 4, elastic bearing-axis 16 to be contained on toggle 3 and to be arranged on blower fan, be used for fixing whole gear-box, axle shrink disk 15 is arranged on planet carrier 1, axle shrink disk 15 is tightened up by bolt, to hold planet carrier and main shaft tightly.Oil pipe 18 accesses on casing 6 by joint 17; Tubular axis 8, intergrade gear shaft 10 and high speed shaft 12 are arranged on casing respectively by bearing unit, and first and second gear train is respectively two intermeshing driving gear compositions.
In addition, high speed shaft 12 is output shafts of gear-box, and the output terminal of high speed shaft 12 carries out axially locating and compression by the first transparent cover 101 pairs of high speed shafts 12.The axis body that first transparent cover 101 exterior edge face is connected with stationary seal ring 21, high speed shaft 12 output terminal is arranged with rotary packing ring 22, the cross section of stationary seal ring 21 is the first flute profile 211, the cross section of rotary packing ring 22 is the second flute profile 221, the notch of first and second flute profile is arranged in opposite directions, a cell wall of the first flute profile 211 extends in the second flute profile 221, and a cell wall of the second flute profile 221 extends in the first flute profile 211.And coordinate stationary seal ring and rotary packing ring to seal.Rotary packing ring 22 and stationary seal ring 21 combine and form labyrinth seal structure, and as shown in Figure 4, rotary packing ring 22 is arranged on axle, rotates during work with axle; Stationary seal ring 21 is arranged in the first transparent cover 101, during work and the first transparent cover 101 keep static.During gear-box work, two seal rings relatively rotate, and form peak, turn round anxious labyrinth channel, and when lubricant oil is by this labyrinth channel, local mill inhibition effect is large, and good sealing effect, leaves gap between two seal rings, without wearing and tearing, does not need periodic replacement.
Concrete scheme is, as shown in Fig. 5,6,7, the notch of first and second flute profile is closing in shape.First flute profile 211 is U-shaped, first flute profile 211 carries out turnover formation flanging 212 near the cell wall of high speed shaft 12 to the side away from high speed shaft 12, second flute profile 221 is that angle is arranged near the cell wall of high speed shaft 12 side and the heart yearn of high speed shaft 12, and angle points to static sealing ring side, first flute profile 211 extends in the second flute profile 221 away from the cell wall of high speed shaft 12 side, and the cell wall of the second flute profile 221 near high speed shaft 12 side extends in the first flute profile 211.The groove width of the second flute profile 221 first increases gradually along groove depth direction, after reduce gradually.By the enforcement of above-mentioned concrete mode, its sealing effect is better.
Above-mentioned labyrinth seal structure may be used for the sealing of the high speed shaft of wind turbine gearbox, and rotary packing ring 22 is arranged on high speed shaft, rotates during work with high speed shaft; Stationary seal ring 21 is arranged in the first transparent cover 101, during work and the first transparent cover 101 keep static, when wind turbine gearbox works, two seal rings form labyrinth seals, through actual tests checking, have good sealing effect.
Wind energy drive vane, by wheel hub, main shaft, passes to planet carrier 11 and drives planet carrier 11 to rotate by power.The rotating speed of planet carrier 11 is the same with the rotating speed of main shaft.It is fast that main shaft turns, and it is fast that planet carrier 11 just turns.Energy is passed to sun gear 14 by planetary stage by planet carrier 11, and the spline of sun gear 14 one end drives splined shaft 5, and splined shaft 5 drives intermediate shaft system, finally drives high speed shaft 12, and high speed shaft 12 passes through coupling drive electrical generators, electrical power generators.Gear-box that the utility model provides adopts primary planet two-stage parallel structure, is connected between each parts of gear-box by the mode of bolt, pin, key and interference.
The above-mentioned gear-box provided reduces the risk of gear-box leakage of oil; the arrangement of internal oil passages makes gear-box entirety compacter; add the measure of mechanical pump lubrication assistant; gear-box is run more reliable; avoid the possibility because assembling the bearing hole precision reduction that reason causes; facilitate the maintenance of bearing hole; solve this model gear case of blower domestic to can not be substituted the problem of product, improve the utilization ratio of wind energy, reduce the fan parking time, break external monopolization, save state's inner blower O&M cost.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; to know in the utility model after contents; under the prerequisite not departing from the utility model principle; can also make some equal conversion to it and substitute, these convert on an equal basis and substitute and also should be considered as belonging to protection domain of the present utility model.
Claims (1)
1. a wind turbine gearbox, it is characterized in that: comprise integrated type casing, casing is provided with tubular axis, intergrade gear shaft and high speed shaft, tubular axis, intergrade gear shaft, high speed shaft is parallel to each other layout, the front end of tubular axis is provided with planet carrier, planet carrier is provided with planet wheel and ring gear, planet wheel, sun gear and ring gear composition planetary gear mechanism, sun gear is fixedly mounted on the front end of tubular axis, the rear end of tubular axis is arranged with splined shaft, splined shaft and intergrade gear shaft consist of to be in transmission connection the first gear train and coordinate, intergrade gear shaft and high speed shaft consist of to be in transmission connection the second gear train and coordinate, the oil pipe of conveying lubricant oil is arranged in casing, oil pipe is connected with fuel tank by mechanical pump, the pump shaft of mechanical pump is connected with intergrade gear shaft by coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034195.8U CN205226294U (en) | 2015-12-14 | 2015-12-14 | Wind -power gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034195.8U CN205226294U (en) | 2015-12-14 | 2015-12-14 | Wind -power gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205226294U true CN205226294U (en) | 2016-05-11 |
Family
ID=55901361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521034195.8U Active CN205226294U (en) | 2015-12-14 | 2015-12-14 | Wind -power gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205226294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402377A (en) * | 2015-12-14 | 2016-03-16 | 南京安维士传动技术股份有限公司 | Wind power gear box |
-
2015
- 2015-12-14 CN CN201521034195.8U patent/CN205226294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402377A (en) * | 2015-12-14 | 2016-03-16 | 南京安维士传动技术股份有限公司 | Wind power gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Tianshu Inventor after: Wu Weiqiang Inventor after: Shi Lihua Inventor after: Hu Yanjie Inventor after: Wang Jinwei Inventor before: Wu Weiqiang Inventor before: Shi Lihua Inventor before: Hu Yanjie Inventor before: Wang Jinwei |
|
| CB03 | Change of inventor or designer information |