CN102536686B - Gear box and wind power generator comprising same - Google Patents
Gear box and wind power generator comprising same Download PDFInfo
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- CN102536686B CN102536686B CN201210006454.0A CN201210006454A CN102536686B CN 102536686 B CN102536686 B CN 102536686B CN 201210006454 A CN201210006454 A CN 201210006454A CN 102536686 B CN102536686 B CN 102536686B
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- heater
- gear
- housing
- screw rod
- box
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- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims description 73
- 239000000945 filler Substances 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 116
- 238000000034 method Methods 0.000 description 10
- 238000007789 sealing Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004520 agglutination Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Landscapes
- General Details Of Gearings (AREA)
Abstract
The invention discloses a gear box which comprises a seal cavity (2) defined by a box body (1), and lubricating oil (3) arranged in the seal cavity (2), wherein the bottom of the seal cavity (2) is also provided with a heater (4) used for heating the lubricating oil (3); and the seal cavity (2) is also internally provided with a lubricating oil circulating device (5) which is used for pumping out the lubricating oil (3) which is close to the heater (4) and transmitting the pumped lubricating oil to a place which is far away from the heater (4). After the lubricating oil circulating device is adopted, the lubricating oil arranged in the seal cavity is ensured to be evenly heated, so that the phenomenon that the quality of the lubricating oil around the heater gets poor when the temperature of the lubricating oil is overhigh can be avoided, the service life of the lubricating oil is greatly prolonged, and the operating cost of the gear box is lowered. The invention also provides a wind power generator which comprises a speed-up gear box which adopts the gear box disclosed by the invention, so that the same technical effect can be achieved.
Description
Technical field
The present invention relates to technical field of wind power generation, relate in particular to a kind of gear-box.In addition, the invention still further relates to a kind of wind-driven generator that comprises said gear case.
Background technique
Booster engine gear-box is an important component part in wind power generating set, increase along with separate unit electric motor power, fricative heat between engagement between gear pair in gear-box, bearing also increases thereupon, and for this reason, the lubricant oil oil mass in step-up gear also increases thereupon.These lubricant oil, except playing lubrication, also, for the heat radiation of each friction pair, engagement pair, produce tooth face agglutination phenomenon in order to avoid the engagement pair Yin Gaowen of scuffing or gear occurs the friction pair Yin Gaowen of bearing, and then cause whole gear-box to lose efficacy.
When increasing lubricants capacity; also bring another problem thereupon; be exactly along with mercury dropped is to uniform temperature; particularly be applied to sea, plateau or northern area, the temperature in winter is very low, sometimes even reaches subzero 30～40 degree; such environment lower tooth roller box is shut down one end after the time; lubricant oil can solidify, and therefore, upper, once before start, must heat lubricant oil.
Please refer to Fig. 1, the structure sectional view that Fig. 1 is gear-box of the prior art; Below in conjunction with this figure, briefly introduce the defect that the gear-box of this structure exists at work.
In prior art, as shown in Figure 1, this gear-box comprises the Seal cage 2 that casing 1 and casing 1 surround, and is provided with the heater 4 matching with gear-box model in Seal cage 2, this heater 4 directly contacts with lubricant oil 3, by playing the effect of heating lubricant oil 3 to heater 4 energisings.For heating time of shortening lubricant oil 3 is so that quick turn-on, the method that many producers have adopted and strengthened single heater power, increased heater quantity.
Yet, heater 4 temperature after energising of the increase of output power raises rapidly, its lubricant oil 3 temperature around are also raise rapidly, because the pyroconductivity of gear box lubricating oil 3 is very low, the heat that can not rapidly heater 4 be produced conducts, cause heater 4 lubricant oil 3 around that the phenomenon of quality variation at high temperature easily occurs, particularly at lubricant oil 3 after heating for multiple times, the speed of lubricant oil 3 quality variation can be accelerated.Phenomenons such as easy generation oxidation deterioration, lubricant oil 3 color blackening, generation sludge, has accelerated the wearing and tearing of parts.In order to guarantee that parts are not subject to serious wearing and tearing, staff has to shorten the service time of lubricant oil 3, increases the replacing number of times of lubricant oil 3, causes the increase of the operation cost of gear-box.
In view of this, urgently the structure for existing gear-box is optimized design, make it to the lubricant oil in the Seal cage of gear-box, carry out homogeneous heating, avoid heater lubricant oil around because the phenomenon of quality variation occurs excess Temperature, extend the working life of lubricant oil, reduce the operation cost of gear-box.
Summary of the invention
The technical problem to be solved in the present invention, for a kind of gear-box is provided, can be carried out homogeneous heating to the lubricant oil in Seal cage, avoids lubricant oil in Seal cage because local superheating causes the generation of quality variation phenomenon.Another technical problem that the present invention will solve is for providing a kind of wind-driven generator that comprises said gear case.
For solving the problems of the technologies described above, the invention provides a kind of gear-box, comprise the Seal cage being surrounded by casing and be located at the lubricant oil in described Seal cage, the bottom of described Seal cage is also provided with for heating the heater of described lubricant oil; In described Seal cage, be also provided with the lubricant oil near described heater is detached and be delivered to the lubricate oil circulation device away from described heater.
Preferably, described lubricate oil circulation device comprises housing and be located at the screw rod in described housing, and described housing is connected with described casing, and described screw rod and described housing are rotationally connected, and described screw rod is connected with the power plant that the described screw rod of driving rotates; Described housing is provided with filler opening in the position near described heater, and described housing is provided with oil outlet at the top, position away from described heater.
Preferably, also comprise fuel-displaced pipeline, described fuel-displaced pipeline is connected in the outside of described oil outlet.
Preferably, the number of described filler opening equates with the number of described heater, and the setting corresponding to each heater of each filler opening.
Preferably, described screw front end portion is rotationally connected by clutch shaft bearing and described housing, and described spiro rod rear end portion is rotationally connected by the second bearing and described housing.
Preferably, the front end of described housing is provided with groove, in described groove, is provided with circlip for hole, in order to limit the axial displacement of described clutch shaft bearing.
Preferably, described spiro rod rear end portion is set with bearing support, and described the second bearing is located in described bearing support, and described the second bearing outside is also provided with bearing gland, and described bearing gland is connected with described bearing support by the first screw assembly.
Preferably, between described housing front end and described circlip for hole, be provided with the first seal ring, between described housing rearward end and described bearing support, be provided with the second seal ring, between described bearing support and described end ring, be provided with the 3rd seal ring.
Preferably, described power plant are deceleration generator, between described deceleration generator and described screw rod, are provided with coupling, and the both sides of described coupling are connected by key with the rearward end of described screw rod, described deceleration generator respectively.
The invention provides a kind of gear-box, the bottom of its Seal cage is also provided with for heating the heater of lubricant oil; In Seal cage, be also provided with the lubricant oil near heater is detached and be delivered to the lubricate oil circulation device away from heater.In a kind of embodiment, lubricate oil circulation device comprises to be located near the housing of heater and to be located at the screw rod in housing, and housing is connected with casing, and screw rod and housing are rotationally connected, and screw rod is connected with the power plant of drive screw rotation; Housing is provided with filler opening in the position near heater, and housing is provided with oil outlet in the position away from heater.
Adopt this structural type, in the situation that temperature is lower, adopt heater to heat the lubricant oil in Seal cage, when heater is heated to higher temperature by its lubricant oil around, start lubricate oil circulation device, power plant drive screw rod to be rotated in enclosure interior, by near the higher lubricant oil of the temperature of heater, the filler opening by housing absorbs to enclosure interior, along with rotatablely moving of screw rod, the lubricant oil of enclosure interior also moves thereupon in housing, and then the oil outlet through housing flows out.Meanwhile, the heater higher lubricant oil of temperature around absorbs after housing, the lubricant oil that these lubricant oil temperature is around lower flows to heater, heater heats the lower lubricant oil of these temperature, subsequently these lubricant oil again lubricated oil circulation device absorb to housing ... the like, the lubricant oil iterative motion like this in Seal cage.
By above-mentioned working procedure, can be found out, adopt after above-mentioned lubricate oil circulation device, make lubricant oil in gear-box Seal cage, form the state circulating, be heater in Seal cage all the time the lubricant oil of flow heat, gear-box compared to existing technology, lubricant oil in the Seal cage of gear-box provided by the present invention is heated evenly, avoided heater lubricating oil temperature around too high and the phenomenon of quality variation occurs, greatly extend the working life of lubricant oil, reduced the operation cost of gear-box.
The present invention also provides a kind of wind-driven generator, comprises booster engine gear-box; This step-up gear adopts gear-box as above.
Because said gear case has above-mentioned technique effect, therefore, comprise that the wind-driven generator of this gear-box also should have identical technique effect, do not repeat them here.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of gear-box of the prior art;
Fig. 2 is the structural representation of a kind of embodiment of gear-box provided by the present invention;
Fig. 3 is the exterior contour figure of Fig. 2;
Fig. 4 is the partial enlarged drawing of the lubricate oil circulation device installation place in Fig. 2;
Fig. 5 is the explosive view of the lubricate oil circulation device in Fig. 2;
Fig. 6 is the structural representation of the housing in Fig. 2;
Fig. 7 is the structural representation of the screw rod in Fig. 2;
Fig. 8 is the structural representation of the fuel-displaced pipeline in Fig. 2.
Wherein, the component names in Fig. 1 to Fig. 8 and the corresponding relation between reference character are:
Casing 1; Seal cage 2; Lubricant oil 3; Heater 4;
Lubricate oil circulation device 5; Filler opening 501; Oil outlet 502; Housing 503; Screw rod 504; Power plant 505; Fuel-displaced pipeline 506; Clutch shaft bearing 507; Circlip for hole 508; The first seal ring 509; The second bearing 510; Bearing support 511; Bearing gland 512; The first screw assembly 513; The second seal ring 514; The 3rd seal ring 515; Coupling 516; Groove 517; Oil sealing 518; Elastic cylindrical pin 519; The first pipe clamp 520; Locked spacer 521; The second pipe clamp 522.
Embodiment
Core of the present invention is for providing a kind of gear-box, and this gear-box can carry out homogeneous heating to the lubricant oil in Seal cage, avoids lubricant oil in Seal cage because local superheating causes the generation of quality variation phenomenon.Another technical problem that the present invention will solve is for providing a kind of wind-driven generator that comprises said gear case.
In order to make those skilled in the art understand better technological scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2, Fig. 3 and Fig. 4, the structural representation of a kind of embodiment that Fig. 2 is gear-box provided by the present invention; Fig. 3 is the exterior contour figure of Fig. 2; Fig. 4 is the partial enlarged drawing of the lubricate oil circulation device installation place in Fig. 2.
In a kind of embodiment, a kind of gear-box provided by the present invention, comprises the Seal cage 2 being surrounded by casing 1, is provided with for lubricant oil 3 lubricated and absorption heat in Seal cage 2, and the bottom of Seal cage 2 is also provided with for heating the heater 4 of lubricant oil 3; In Seal cage 2, be also provided with the lubricant oil 3 near heater 4 is delivered to the lubricate oil circulation device 5 away from heater 4.
In a kind of embodiment, as shown in Figures 2 to 4, lubricate oil circulation device 5 comprises to be located near the housing 503 of heater 4 and to be located at the screw rod 504 in housing 503, housing 503 is connected with casing 1, screw rod 504 is rotationally connected with housing 503, and screw rod 504 is connected with the power plant 505 of drive screw 504 rotations; Housing 503 is provided with filler opening 501 in the position near heater 4, and housing 503 is provided with oil outlet 502 in the position away from heater 4.
Adopt this structural type, in the situation that temperature is lower, adopt the lubricant oil 3 in 4 pairs of Seal cages 2 of heater to heat, when heater 4 is heated to higher temperature by its lubricant oil 3 around, start lubricate oil circulation device 5, power plant 505 drive screw rod 504 to be rotated in housing 503 inside, by near the higher lubricant oil of the temperature of heater 4, the filler opening 501 by housing 503 absorbs to housing 503 inside, along with rotatablely moving of screw rod 504, the lubricant oil of housing 503 inside is also thereupon in the interior movement of housing 503, then the oil outlet 502 through housing 503 flows out.Meanwhile, the heater 4 higher lubricant oil of temperature around absorbs after housing 503, the lubricant oil that these lubricant oil temperature is around lower flows to heater 4, heater 4 heats the lower lubricant oil of these temperature, subsequently these lubricant oil again lubricated oil circulation device 5 absorb to housing 503 ... the like, lubricant oil 3 iterative motion like this in Seal cage 2.
By above-mentioned working procedure, can be found out, adopt after above-mentioned lubricate oil circulation device 5, the state that lubricant oil 3 is circulated in the interior formation of gear-box Seal cage 2, be heater 4 in Seal cage 2 all the time the lubricant oil of flow heat, gear-box compared to existing technology, lubricant oil 3 in the Seal cage 2 of gear-box provided by the present invention is heated evenly, avoided heater 4 lubricating oil temperature around too high and the phenomenon of quality variation occurs, greatly extend the working life of lubricant oil 3, reduced the operation cost of gear-box.
It should be noted that, above-mentionedly only take the lubricate oil circulation device 5 that comprises screw rod 504 and housing 503 and introduced the technique effect of said gear case as example, in fact, above-mentioned lubricate oil circulation device 5 is not limited in this structural type, can also adopt the lubricate oil circulation device of other structural types such as small-sized screw pump.
In further scheme, in the lump with reference to figure 4, Fig. 5 and Fig. 8, Fig. 5 is the explosive view of the lubricate oil circulation device in Fig. 2; Fig. 8 is the structural representation of the fuel-displaced pipeline in Fig. 2; Above-mentioned lubricate oil circulation device 5 can also comprise fuel-displaced pipeline 506, and fuel-displaced pipeline 506 is connected in the outside of oil outlet 502.
Adopt this structural type, by fuel-displaced pipeline 506, the fed distance of the lubricant oil 3 of housing 503 inside is lengthened, make lubricant oil that the temperature that is transferred is higher further from heater 4, the distance that is the iterative motion of the interior lubricant oil 3 of Seal cage 2 strengthens, and further strengthens the uniformity that lubricant oil 3 is heated.
More specifically, as shown in Figure 5, can also adopt 520 pairs of fuel-displaced pipelines 506 of the first pipe clamp to position, the first pipe clamp 520 comprises the first clamp and the second clamp, the first clamp is provided with the first tube seat, the second clamp is provided with the second tube seat, and the tube seat notch forming after two clamps merge is slightly larger than the cross section of fuel-displaced pipeline.Like this, the first pipe clamp can position fuel-displaced pipeline 506, and the first clamp can adopt bolt to be connected with the second clamp, for further increasing the stability that the first pipe clamp connects, can also between bolt and the first clamp, brake pad 521 be set.
In addition, as shown in Figure 4 and Figure 8, fuel-displaced pipeline 506 lower ends can also be provided with the second pipe clamp 522, fuel-displaced pipeline 506 is connected with housing 503 by the second pipe clamp 522, can simply and easily fuel-displaced pipeline 506 be fixed on housing 503 like this, guarantee that lubricant oil flows swimmingly in fuel-displaced pipeline 506, further strengthens the working stability of lubricate oil circulation device.Certainly, above-mentioned fuel-displaced pipeline 506 can also adopt other modes to be connected with housing 503.
Certainly; in above-mentioned embodiment, do not limit the concrete length of oil pipe line 506; the lubricate oil circulation device 5 that every outside at oil outlet 502 connects fuel-displaced pipeline 506 all belongs in protection scope of the present invention, and user can set out the length of oil pipe line 506 according to actual needs voluntarily.
More specifically, as shown in Figure 6, Fig. 6 is the structural representation of the housing in Fig. 2; The number of the filler opening 501 that above-mentioned housing 503 is offered equates with the number of heater 4, and each filler opening 501 and the corresponding setting of each heater 4.For example, said gear case can be provided with three heaters 4, and above-mentioned lubricate oil circulation device 5 can be provided with three filler openings 501, and each filler opening 501 is located at the top of each heater 4.Certainly, above-mentioned filler opening 501 and heater 4 can also adopt other numbers, and user can select according to actual needs voluntarily.Certainly; the filler opening 501 of above-mentioned housing 503 is not only for the top of being located at heater 4; can also be located at the positions such as below, left side or right side of heater 4; in fact; every by the filler opening of housing 503 501 be located at heater 4 near, near the higher lubricant oil of temperature heater 4 are absorbed to the lubricate oil circulation device 5 of housing 503 inside and all should work as and belong to protection scope of the present invention.
Other specific constructive form of above-mentioned lubricate oil circulation device 5 can also be further set.
In another kind of embodiment, as shown in Figure 4 and Figure 5, above-mentioned screw rod 504 front ends are rotationally connected by clutch shaft bearing 507 and housing 503, and screw rod 504 rearward end are rotationally connected with housing 503 by the second bearing 510.
Adopt bearing connecting screw rod 504 and housing 503, can realize simply and easily screw rod 504 rotates relative to housing 503, in concrete scheme, above-mentioned clutch shaft bearing 507 can be specially roller bearing, above-mentioned the second bearing 510 can be specially two-row ball bearing, certainly, can also adopt other bearing.
The concrete Placement of screw rod 504 front ends and housing 503 in above-mentioned lubricate oil circulation device 5 can also be further set.
In conjunction with Fig. 5 and Fig. 6, the front end of above-mentioned housing 503 can be provided with groove 517, is provided with circlip for hole 508 in groove 517, in order to limit the axial displacement of clutch shaft bearing 507.Adopt this structural type, utilize the elasticity of circlip for hole 508 can realize simply and easily spacing to clutch shaft bearing 507, avoid it at fore-and-aft direction, to move.Certainly, except adopting the mode of groove 517 and circlip for hole 508 combinations to carry out axial limiting to clutch shaft bearing 507, can also adopt other limit position parts to carry out spacing to clutch shaft bearing 507 here.
Further, between above-mentioned housing 503 front ends and circlip for hole 508, can also be provided with the first seal ring 509.Like this, can strengthen the sealing of screw rod 504 front ends and housing 503, avoid the lubricant oil 3 in housing 503 to leak from housing 503 front ends, further strengthen the working stability of lubricate oil circulation device 5.
It should be noted that; the noun of locality herein " front " refers in Fig. 4 direction from left to right; the noun of locality " afterwards " refers to dextrosinistral direction in Fig. 4; be to be understood that; the appearance of these nouns of locality be take accompanying drawing and is set up as benchmark, and their appearance should not affect protection scope of the present invention.
The concrete Placement of screw rod 504 rearward end and housing 503 in above-mentioned lubricate oil circulation device 5 can also be further set.
In another kind of embodiment, above-mentioned screw rod 504 rearward end are set with bearing support 511, the second bearing 510 is located in bearing support 511, and the second bearing 510 outsides are also provided with bearing gland 512, and bearing gland 512 is fixedly connected with bearing support 511 by the first screw assembly 513.
Adopt this structural type, bearing support 511 and bearing gland 512 have been realized fixing to the position of the second bearing 510, guarantee that the second bearing 510 can not axially being moved at screw rod 504.Certainly, bearing gland 512 except adopting the first screw assembly 513 to be connected, can also adopt other modes to connect with bearing support 511.
Further, between above-mentioned housing 503 rearward end and bearing support 511, can be provided with the second seal ring 514, between bearing support 511 and end ring, can be provided with the 3rd seal ring 515.
Similar with the effect of above-mentioned the first seal ring 509, like this, can strengthen the sealing of screw rod 504 rearward end and bearing support 511, bearing gland 512 and bearing support 511, avoid the lubricant oil 3 in housing 503 to leak from housing 503 rear ends, further strengthen the working stability of lubricate oil circulation device 5.
Between above-mentioned bearing gland 512 and the second bearing 510, can also be provided with two double-action oil sealings 518.Adopt oil sealing 518 can prevent that the ecto-entads such as dust, aqueous vapor from invading in the second bearing 510, the lubricant oil 3 that also can limit in bearing leaks, and further strengthens the working stability of the second bearing 510.Certainly, the oil sealing of other numbers can also be set here, user can select according to actual needs voluntarily.
Other concrete structures of above-mentioned lubricate oil circulation device 5 can also be further set.
In another kind of embodiment, above-mentioned power plant 505 can be deceleration generator, between deceleration generator and screw rod 504, are provided with coupling 516, and the two end part of coupling 516 are connected by key with rearward end, the deceleration generator of screw rod 504 respectively.
Adopt this structure, start deceleration generator, deceleration generator can drive screw rod 504 rotations by coupling 516, realizes the function that lubricant oil 3 circulates.Particularly, as shown in Figure 7, Fig. 7 is the structural representation of the screw rod in Fig. 2; The output shaft of above-mentioned screw rod 504 rearward end, deceleration generator can be equipped with external splines, the front end of coupling 516 and rearward end can be equipped with the internal spline coordinating with external splines, during installation, spline joint is passed through in rearward end, the deceleration generator of screw rod 504 respectively in the two end part of coupling 516, thereby realize the transmission of power of lubricate oil circulation device 5.Certainly, can also adopt the key of other kinds to connect.
More specifically, above-mentioned coupling 516 can also be provided with the first through hole between screw rod 504 installation places and deceleration generator installation place, and this first through hole, along the radially setting of coupling 516, is provided with elastic cylindrical pin 519 in this first through hole.Like this, elastic cylindrical pin 519 can play the effect of location, prevents that coupling 516 from slippage axially occurring, and guarantees the stability of transmission of power.
The present invention also provides a kind of wind-driven generator, comprises step-up gear; Step-up gear adopts gear-box as above.
Because said gear case has above-mentioned technique effect, therefore, comprise that the wind-driven generator of this gear-box also should have identical technique effect, do not repeat them here.
Above to a kind of gear-box provided by the present invention and comprise that the wind-driven generator of this gear-box is described in detail.Applied specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a gear-box, comprises the Seal cage (2) being surrounded by casing (1) and is located at the lubricant oil (3) in described Seal cage (2), and the bottom of described Seal cage (2) is also provided with the heater (4) for heating described lubricant oil (3); It is characterized in that, in described Seal cage (2), be also provided with and will detach and be delivered to the lubricate oil circulation device (5) away from described heater (4) near the lubricant oil (3) of described heater (4) so that the heater 4 in Seal cage 2 all the time the lubricant oil of flow heat;
Described lubricate oil circulation device (5) comprises housing (503) and is located at the screw rod (504) in described housing (503), described housing (503) is connected with described casing (1), described screw rod (504) is rotationally connected with described housing (503), and described screw rod (504) is connected with the power plant (505) that drive described screw rod (504) rotation; Described housing (503) is provided with filler opening (501) in the position near described heater (4), and described housing (503) is provided with oil outlet (502) at the top, position away from described heater (4).
2. gear-box according to claim 1, is characterized in that, also comprises fuel-displaced pipeline (506), and described fuel-displaced pipeline (506) is connected in the outside of described oil outlet (502).
3. gear-box according to claim 2, is characterized in that, the number of described filler opening (501) equates with the number of described heater (4), and each filler opening (501) and the corresponding setting of each heater (4).
4. according to the gear-box described in claim 1-3 any one, it is characterized in that, described screw rod (504) front end is rotationally connected by clutch shaft bearing (507) and described housing (503), and described screw rod (504) rearward end is rotationally connected by the second bearing (510) and described housing (503).
5. gear-box according to claim 4, is characterized in that, the front end of described housing (503) is provided with groove, is provided with circlip for hole (508) in described groove, in order to limit the axial displacement of described clutch shaft bearing (507).
6. gear-box according to claim 5, it is characterized in that, described screw rod (504) rearward end is set with bearing support (511), described the second bearing (510) is located in described bearing support (511), described the second bearing (510) outside is also provided with bearing gland (512), and described bearing gland (512) is connected with described bearing support (511) by the first screw assembly (513).
7. gear-box according to claim 6, it is characterized in that, between described housing (503) front end and described circlip for hole (508), be provided with the first seal ring (509), between described housing (503) rearward end and described bearing support (511), be provided with the second seal ring (514), between described bearing support (511) and described end ring, be provided with the 3rd seal ring (515).
8. according to the gear-box described in claim 1-3 any one, it is characterized in that, described power plant (505) are deceleration generator, between described deceleration generator and described screw rod (504), be provided with coupling (516), the both sides of described coupling (516) are connected by key with the rearward end of described screw rod (504), described deceleration generator respectively.
9. a wind-driven generator, comprises booster engine gear-box; It is characterized in that, described step-up gear adopts the gear-box as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006454.0A CN102536686B (en) | 2012-01-10 | 2012-01-10 | Gear box and wind power generator comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006454.0A CN102536686B (en) | 2012-01-10 | 2012-01-10 | Gear box and wind power generator comprising same |
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| Publication Number | Publication Date |
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| CN102536686A CN102536686A (en) | 2012-07-04 |
| CN102536686B true CN102536686B (en) | 2014-07-23 |
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| CN201210006454.0A Active CN102536686B (en) | 2012-01-10 | 2012-01-10 | Gear box and wind power generator comprising same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101338732A (en) * | 2008-06-17 | 2009-01-07 | 南京航空航天大学 | Wind power generator adopting hot pipe for cooling wheel box |
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| RU2008130390A (en) * | 2005-12-23 | 2010-01-27 | Гюанг Хуе ДЗОН (KP) | SINGLE SCREW SCREW PUMP |
| JP4975788B2 (en) * | 2009-07-21 | 2012-07-11 | 株式会社酉島製作所 | Screw pump |
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| CN102536686A (en) | 2012-07-04 |
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