CN201739100U - Gear box lubricating device for wind driven generator - Google Patents
Gear box lubricating device for wind driven generator Download PDFInfo
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- CN201739100U CN201739100U CN2010202532626U CN201020253262U CN201739100U CN 201739100 U CN201739100 U CN 201739100U CN 2010202532626 U CN2010202532626 U CN 2010202532626U CN 201020253262 U CN201020253262 U CN 201020253262U CN 201739100 U CN201739100 U CN 201739100U
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- driven generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to a gear box lubricating device for a wind driven generator, which comprises a main lubricating system and a bypass filtration system, wherein the main lubricating system is connected with a gear box of the wind driven generator to form a lubricating loop; the main lubricating system comprises a main loop filtration system for coarse filtration and a motor pump system connected with the main loop filtration system; and the bypass filtration system is connected with the gear box and is used for fine filtration. The gear box lubricating device for the wind driven generator has simple structure, can be conveniently disassembled to carry out replacement and maintenance of a filter element and obtains more stable and reliable gear box lubricating effect by arranging a device for detecting the temperature and the pressure of lubricating oil. In the extra-low temperature environment, the gear box lubricating device for the wind driven generator makes the oil temperature raise by a bypass heating system, and the oil which is subjected to coarse filtration and fine filtration by the main loop filtration system can lubricate the gear box; and after the oil temperature raises, the lubricating oil is subjected to secondary filtration of the main loop filtration system and the bypass filtration system sequentially so as to provide the high-quality lubricating oil for the gear box and prolong the service life of the gear box.
Description
Technical field
The present invention relates to hydraulic transmission technology field, particularly a kind of lubricating fitting that is applied in wind-driven generator wheel-box.
Background technique
Because the in short supply and government of resource encourages and supports the policy of renewable energy sources; the wind-power electricity generation industry development impetus is powerful; be limited to technical deficiency; in the running of wind power generating set; can break down unavoidably; and in each component of wind power generating set, it is the longest that the fault of gear-box causes dead time, and the reason that causes gear-box to break down mainly is that the gear lubrication effect is bad.
Now in all lubrication system of the gear-box of wind power generating set, major part only adopts single main lubrication system and off-line filtration system that the gear-box gear is lubricated and the filtration of fluid, the motor of these the two kinds lubricated filtration systems that are used lubricating utensil when wind-driven generator breaks down power failure all is in power failure state, this moment, power-driven generator leaf was subjected to the influence of natural wind, and fan blade still can rotate by driven gear case internal gear.This moment, main lubrication system can't provide lubricating oil for gear-box, and the off-line filtration system also can't effectively be filtered for the fluid in the fuel tank.
When ambient temperature was lower than 0 degree centigrade, main lubrication system can not circulate at once, and can only carry out heat temperature raising this moment with the heater of gear-box inside, and starting main lubrication system oil pump then, to carry out oil suction lubricated.The defective that exists of operation is that the heater volume that carries of gear-box itself is less like this, heating power limited and distribute comparatively concentrated, therefore can cause the interior local oil liquid temperature of gear-box higher, long-time local heating can cause the interior local oil liquid temperature of gear-box too high and rotten, have a strong impact on the quality of oil product, do not have the purpose of chien shih case inner fluid temperature raising in short-term yet, even can start when system's ambient temperature is lower than 0 degree centigrade, also be in the suction sky or partly inhale dummy status in startup, the long-time sky of inhaling also can cause the damage of oil pump and the normal operation of lubrication system, because main lubrication system can not normally start for a long time, gear-box can not get enough lubricating, and will cause the wind-driven generator fault when serious.
The model utility content
The purpose of this utility model is to provide a kind of wind-driven generator wheel-box lubricating fitting, in the time of can overcoming ambient temperature and be lower than 0 degree centigrade, can not circulate at once and add the wet goods problem, its simple in structure, convenient disassembly, reduce cost of production, this device also can be for gear-box provides reliable lubricating oil and effective filtrate, to obtain reliable and stable cooling effect under abominable running environment.
In order to achieve the above object, the technical solution of the utility model provides a kind of wind-driven generator wheel-box lubricating fitting, comprises:
Main lubrication system, the gear-box of itself and wind-driven generator is connected to form lubricating loop;
Above-mentioned main lubrication system comprises and is used for thick smart major loop filtration system of filtering, the electric-motor pump system that is connected with the major loop filtration system; Also comprise the by-passing filter system that is connected, is used for smart filtration with gear-box.
Above-mentioned wind-driven generator wheel-box lubricating fitting also comprises the bypass heating system, and itself and said gear case are connected to form heating circuit.
Above-mentioned wind-driven generator wheel-box lubricating fitting also comprises the wind-cooling heat dissipating system, and above-mentioned main lubrication system is connected with the said gear case by this wind-cooling heat dissipating system, forms heat-radiation loop.
Above-mentioned electric-motor pump system is provided with safety valve with the flow-off position that above-mentioned major loop filtration system is connected.
Above-mentioned major loop filtration system comprises upper cylinder and the lower cylinder body that is connected, and is set with filter core therein.
The top of above-mentioned upper cylinder is provided with the filter lid; Above-mentioned filter covers and also is provided with the oil filler that is used to add lubricant oil, and the relief opening that is used to discharge unnecessary air.
The oil outlet place of above-mentioned lower cylinder body is provided with restriction pressure, prevents fluid recoil and the one-way valve that leaks.
The oil outlet place is provided with filter in the bottom of lower cylinder body, further is provided with clogging indicator that is used to indicate the filter core stopping state and the thermostat valve that is used to monitor lubricating oil temperature in this filter.Also be provided with bypass valve on the filter core in above-mentioned upper cylinder and the lower cylinder body, it makes lubricant oil pass through one-level or cascade filtration respectively according to the lubricating oil temperature and the pressure reduction of flowing through.
The oil outlet of above-mentioned major loop filtration system is communicated with the filler opening of wind-cooling heat dissipating system and the distributor that the gear-box inlet is provided with respectively; The oil outlet of above-mentioned wind-cooling heat dissipating system also is connected with the distributor of this gear-box by transport pipe; Also be provided with the pressure switch that flows into oil pressure on the monitoring distributor in the above-mentioned distributor.
The utility model wind-driven generator wheel-box lubricating fitting, compared with prior art, its advantage is that the utility model is simple in structure, and can dismantle the replacing maintenance of carrying out filter core easily, also by many devices that detect for temperature and pressure are set, to obtain more reliable and more stable gear-box lubrication effect.
The utility model has overcome the drawback of prior art especially, under 0 degree centigrade and lower environment, after the bypass heating system raises oil liquid temperature, utilizes the thick smart back of filtering of major loop filtration system that gear-box is lubricated; After oil liquid temperature promoted, lubricant oil carried out work by major loop filtration system and by-passing filter system, for gear-box provides high-quality lubricant oil, to prolong the working life of gear-box.
Description of drawings
Fig. 1 is the structural representation of wind-driven generator wheel-box lubricating fitting of the present invention.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
As shown in Figure 1, the utility model wind-driven generator wheel-box lubricating fitting comprises main lubrication system 100, bypass heating system 200, and it is connected to form lubricating loop and heating circuit by the gear-box 400 of some transport pipe and wind-driven generator respectively; Main lubrication system 100 also is connected with gear-box 400 by wind-cooling heat dissipating system 300, forms heat-radiation loop.(among the figure arrow represent respectively in the above-mentioned loop flow of lubricant to)
Electric-motor pump system 30 is used for the lubricant oil sucking-off of gear-box 400 and is delivered to major loop filtration system 10, the electric-motor pump 31 of its setting is connected with gear-box 400 by one road transport pipe, also is connected oil suction by another road transport pipe that connects mechanical pump 32 with gear-box 400.Wherein said mechanical pump 32 is high viscosity gear pumps of German imported with original packaging, guarantees also can normally be lubricated oily suction and send when dielectric viscosity is 30000cst.
The flow-off 42 of electric-motor pump system 30 is connected with major loop filtration system 10 by connecting body 40, and this connecting body 40 has adopted dismounting flange pressure plate structure comparatively easily.These flow-off 42 places are provided with safety valve 41, are used to avoid main lubrication system 100 overpressure and damage that each element is caused.
Major loop filtration system 10 is used for thick smart the filtration, comprises the upper cylinder 11 and the lower cylinder body 12 that connect by screw-thread fit, is set with the filter core (not shown) therein.The top of this upper cylinder 11 is provided with filter and covers 13, makes things convenient for the replacing of filter core.Filter cover and also is provided with oil filler 131 and relief opening 132 on 13, is respectively the usefulness of adding lubricant oil and the unnecessary air of discharge, enough lubricant oil to be provided and to guarantee the proper functioning of gear-box 400.
The bi-side of lower cylinder body 12 are provided with that external interface 121 connects external meters and sensor is tested.The flow-off 42 of above-mentioned electric-motor pump system 30 is connected with lower cylinder body 12 sides; This flow-off 42 is used for limiting the maximum pressure of main lubrication system 100.The oil outlet place of lower cylinder body (12) is provided with one-way valve 15, and this one-way valve 15 adopts mushroom hair style metal spools, preventing the infringement of fluid recoil to electric-motor pump system 30, can also change and prevent when safeguarding that a large amount of fluid from leaking carrying out filter core.
The oil outlet place also is provided with filter 14 in the bottom of lower cylinder body 12, further is provided with clogging indicator 141 and thermostat valve 142 in this filter 14, and wherein clogging indicator 141 sends alarm signal when filter core stops up, and reminds and in time to safeguard and renew cartridge more; And thermostat valve 142 is used to detect lubricating oil temperature, whether needs 300 coolings by the wind-cooling heat dissipating system with decision lubricant oil, guarantees to carry lubricant oil for gear-box 400 steadily in the long term under big temperature difference situation.
The oil outlet of major loop filtration system 10 in lower cylinder body 12 bottoms is connected with the two-way transport pipe respectively and is communicated with the distributor 401 of wind-cooling heat dissipating system 300 and gear-box 400 respectively; The described wind-cooling heat dissipating system 300 that is provided with radiator and fan also is connected with the distributor 401 of gear-box 400 by transport pipe.In order under fluid flows back to the situation of the against regulation value of pressure of gear-box 400 distributors 401, to send signal, in distributor 401, also be provided with pressure switch, when pressure≤0.7bar, send switching signal to engine control system, the prompting wind power generating set is out of service.
Contain the two-stage filter core in the above-mentioned major loop filtration system 10, by the bypass valve (not shown) controlled filter device inner filter core that is provided with on the filter core in the above-mentioned upper and lower cylindrical shell 12 whether by single-stage or multistage filtering.By-passing filter system 20 is connected to form the loop with gear-box 400, carries out fine filtering under gear-box 400 normal workings, for gear-box 400 lubricant oil provide high-quality guarantee, thereby effectively prolongs the working life of gear-box 400.
Above-mentioned and gear-box 400 is connected to form the bypass heating system 200 of heat-radiation loop, the temperature that is used for lubricant oil in the control gear case 400, the electric oil pump 201 that it is provided with heater 202 and is communicated with heater 202, the filler opening of electric oil pump 201 is delivered to heater 202 after gear-box 400 obtains lubricant oil; Lubricating oil temperature promotes the back and flows back to gear-box 400 by heater 202 oil outlets.
Be example with one group of concrete parameter below, the working procedure of the utility model wind-driven generator wheel-box lubricating fitting is described.
1. concerning the lubricating loop that main lubrication system 100 and gear-box 400 are connected to form:
Under the wind power generating set normal working, at first open main lubrication system 100, make 32 work of its electric-motor pump system 30 and mechanical pump,, and be delivered to major loop filtration system 10 and filter along with fluid in gear-box 400 casings is drawn in the rotation of gear-box 400 high speed shafts.Whether reach setting value by thermostat valve 142 measuring gear casees 400 bearing temperatures, control is delivered to gear-box 400 after lubricating oil is lowered the temperature by the direct conveying of transport pipe or by wind-cooling heat dissipating system 300.
When cold start-up (lubricating oil temperature is spent low), or when the pressure reduction of filter core in the major loop filtration system 10 during greater than 4bar, thick smart filtration of the bypass valve control filter core on the filter core makes lubricant oil only carry out the coarse filtration that precision is 50u by major loop filtration system 10; When temperature raises gradually, when filter core pressure reduction was lower than 4bar, bypass valve cut out, and made lubricant oil pass through the double-filtration of 50u and 10u successively.The fluid of filtered never allows to enter each lubricant housings in the gear-box 400.
2. concerning the heating circuit that bypass heating system 200 and gear-box 400 are connected to form;
When the low temperature of gear-box 400 oil temperature＜10 ℃, wind power generating set is under outage state, and the electric-motor pump 31 of main lubrication system 100 is opened, and the fluid that makes main lubrication system 100 is only through just directly flowing back to gear-box 400 after the coarse filtration.By-passing filter system 20 opens the gear-box inner fluid fine filtering that circulates.The electric oil pump 201 of the heating system of bypass simultaneously 200 is opened, and the fluid in the driven gear case 400 carries out effective Heating Cyclic; This bypass heating system 200 can avoid the heater 202 in the gear-box 400 because the too high oil deterioration problem of bringing of local oil liquid temperature that causes is heated in local transition.
When gear-box 400 oil temperature 〉=10 ℃, electric-motor pump 31 is held open, and flows back to gear-box 400 after making thick smart filtration of fluid through major loop filtration system 10.
When gear-box 400 oil temperature＞15 ℃, the heater 202 of bypass heating system 200 quits work, and starts electric oil pump 201 work 5min every 30min.
When gear-box 400 oil temperature≤45 ℃, ignoring the signal of sending from major loop filtration system 10 bottom clogging indicators 141, is because the higher oil viscosity of filtration system component ambient can send in fact also nonevent filtration system pollution indication mistakenly with relevant with it higher pressure reduction when low temperature.
When gear-box 400 oil temperature＞45 ℃, the clogging indicator 141 of major loop filtration system 10 illustrates that then filter core stops up if send alarm signal, needs in time to change safeguard filter core.
3. concerning the heat-radiation loop that main lubrication system 100 and wind-cooling heat dissipating system 300, gear-box 400 are connected to form:
When gear-box 400 oil temperature＜55 ℃ or bearing temperature＜75 ℃, the fan of wind-cooling heat dissipating system 300 is in closed condition: wherein if the oil temperature＜and 40 ℃ the time, fluid directly flows back to gear-box 400 after main lubrication system 100 is filtered; If oil temperature 〉=and 40 ℃ the time, the thermostat valve 142 of main lubrication system 100 bottoms switches, and fluid is flowed through be delivered to gear-box 400 behind the radiator heat-dissipation, and this moment, fan did not freeze, and only the transport pipe of this section increase by the radiator of flowing through carries out exchange heat.
When gear-box 400 oil temperature＞55 ℃ or bearing temperature＞75 ℃, the fan of wind-cooling heat dissipating system 300 is opened, and makes fluid flow through radiator simultaneously by wind cooling temperature lowering, is delivered to gear-box 400 afterwards.
4. in order under fluid flows back to the situation of the against regulation value of pressure of gear-box 400 ingress, to send signal, be provided with a pressure switch at the distributor 401 of gear-box 400.When pressure≤0.7bar, send switching signal to engine control system, the prompting wind power generating set stops.
5. in order to prevent the infringement of fluid recoil, and change and prevent when safeguarding that a large amount of fluid from leaking carrying out filter core, one-way valve 15 has been installed at the oil outlet of major loop filtration system 10.
6. be assurance system security of operation, at the flow-off 42 of electric-motor pump system 30 safety valve 41 has been installed, when the pressure of main lubrication system 100 surpassed 12bar, safety valve 41 was opened overflow, avoids the damage that each element is caused with the Maximum operating pressure of restriction system.
In sum, the utility model wind-driven generator wheel-box lubricating fitting, simple in structure, and can dismantle the replacing maintenance of carrying out filter core easily, also by multinomial device for lubricating oil temperature and Pressure testing is set, to obtain more reliable and more stable gear-box 400 lubrication effects.
The utility model has overcome the drawback of prior art especially, at 0 degree centigrade and utmost point low temperature environment, by the bypass heating system 200 of opening oil liquid temperature is raise, and utilizes the fluid after major loop filtration system 10 is filtered that gear-box 400 is lubricated, simultaneously; After oil liquid temperature promotes, make lubricant oil pass through major loop filtration system 10 thick smart filtrations, also by the by-passing filter system fine filtering that circulates, for gear-box 400 provides high-quality lubricant oil, to prolong the working life of gear-box 400.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (10)
1. a wind-driven generator wheel-box lubricating fitting is characterized in that, comprises:
Main lubrication system (100), the gear-box (400) of itself and wind-driven generator is connected to form lubricating loop;
Described main lubrication system (100) comprises and is used for thick smart major loop filtration system (10) of filtering, the electric-motor pump system (30) that is connected with major loop filtration system (10); Also comprise with gear-box (400) and be connected, be used for smart by-passing filter system (20) of filtering.
2. wind-driven generator wheel-box lubricating fitting as claimed in claim 1 is characterized in that, also comprises bypass heating system (200), and itself and described gear-box (400) are connected to form heating circuit.
3. wind-driven generator wheel-box lubricating fitting as claimed in claim 1, it is characterized in that, also comprise wind-cooling heat dissipating system (300), described main lubrication system (100) is connected with described gear-box (400) by this wind-cooling heat dissipating system (300), form heat-radiation loop.
4. wind-driven generator wheel-box lubricating fitting as claimed in claim 1 is characterized in that, flow-off (42) position that described electric-motor pump system (30) is connected with described major loop filtration system (10) is provided with safety valve (41).
5. wind-driven generator wheel-box lubricating fitting as claimed in claim 1 is characterized in that, described major loop filtration system (10) comprises upper cylinder (11) and the lower cylinder body (12) that is connected, and is set with filter core therein.
6. wind-driven generator wheel-box lubricating fitting as claimed in claim 5 is characterized in that, the top of described upper cylinder (11) is provided with filter lid (13); Also be provided with the oil filler (131) that is used to add lubricant oil on the described filter lid (13), and the relief opening (132) that is used to discharge unnecessary air.
7. wind-driven generator wheel-box lubricating fitting as claimed in claim 5 is characterized in that, the oil outlet place of described lower cylinder body (12) is provided with restriction pressure, prevents fluid recoil and the one-way valve (15) that leaks.
8. wind-driven generator wheel-box lubricating fitting as claimed in claim 5, it is characterized in that, oil outlet place, bottom at lower cylinder body (12) is provided with filter (14), further be provided with the clogging indicator (141) that is used to indicate the filter core stopping state in this filter (14), and the thermostat valve (142) that is used to monitor lubricating oil temperature.
9. wind-driven generator wheel-box lubricating fitting as claimed in claim 5, it is characterized in that, also be provided with bypass valve on the filter core in described upper cylinder (11) and the lower cylinder body (12), it makes lubricant oil pass through one-level or cascade filtration respectively according to the lubricating oil temperature and the pressure reduction of flowing through.
10. wind-driven generator wheel-box lubricating fitting as claimed in claim 3 is characterized in that, the oil outlet of described major loop filtration system (10) is communicated with the filler opening of wind-cooling heat dissipating system (300) and the distributor (401) that gear-box (400) inlet is provided with respectively; The oil outlet of described wind-cooling heat dissipating system (300) also is connected with the distributor (401) of this gear-box (400) by transport pipe; Also be provided with monitoring distributor (401) in the described distributor (401) and go up the pressure switch that flows into oil pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202532626U CN201739100U (en) | 2010-07-08 | 2010-07-08 | Gear box lubricating device for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202532626U CN201739100U (en) | 2010-07-08 | 2010-07-08 | Gear box lubricating device for wind driven generator |
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| Publication Number | Publication Date |
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| CN201739100U true CN201739100U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202532626U Expired - Lifetime CN201739100U (en) | 2010-07-08 | 2010-07-08 | Gear box lubricating device for wind driven generator |
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| CN (1) | CN201739100U (en) |
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| CN102324822A (en) * | 2011-10-17 | 2012-01-18 | 永济新时速电机电器有限责任公司 | Variable frequency speed control three-phase asynchronous motor for high-speed rolling test bed |
| CN102426100A (en) * | 2011-09-01 | 2012-04-25 | 杭州前进齿轮箱集团股份有限公司 | Rapid detection method of wind power gear box lubrication oil way system and detection apparatus thereof |
| CN102777581A (en) * | 2012-07-31 | 2012-11-14 | 南京风电科技有限公司 | Heating and cooling device of wind turbine generator system |
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| CN104864081A (en) * | 2015-04-29 | 2015-08-26 | 高先乐 | Wind turbine gearbox lubrication system integrating high-speed shaft emergency protection and bypass filtering |
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Assignee: GODRUN WIND ENERGY EQUIPMENT CO., LTD. Assignor: Mintai Hydraulics Shanghai Co., Ltd. Contract record no.: 2014310000122 Denomination of utility model: Gear case lubricating device of wind driven generator Granted publication date: 20110209 License type: Common License Record date: 20140703 |
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