CN102287524B - Speed reducer lubrication system - Google Patents

Speed reducer lubrication system Download PDF

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Publication number
CN102287524B
CN102287524B CN201110240994.0A CN201110240994A CN102287524B CN 102287524 B CN102287524 B CN 102287524B CN 201110240994 A CN201110240994 A CN 201110240994A CN 102287524 B CN102287524 B CN 102287524B
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China
Prior art keywords
speed reducer
fuel tank
oil
pipeline
way valve
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CN201110240994.0A
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CN102287524A (en
Inventor
何亚民
魏勇
徐智平
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Chengdu Leejun Industrial Co Ltd
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Chengdu Leejun Industrial Co Ltd
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Abstract

The invention discloses a speed reducer lubrication system, which comprises a speed reducer, a pump device and an oil tank, wherein the speed reducer is provided with an oil inlet and an oil outlet, the oil outlet of the speed reducer is respectively connected with an inlet of the pump device and the oil tank through an oil outlet three-way valve via pipelines, the inlet of the pump device is also connected with the oil tank through a valve, and an outlet of the pump device is respectively connected with the oil inlet of the speed reducer and the oil tank through an oil inlet three-way valve via pipelines. The speed reducer lubrication system belongs to a novel speed reducer lubrication system and has the advantages of the oil bath lubrication mode and the pressure oil supply lubrication mode, and the equipment cost is reduced.

Description

A kind of reduction box lubricating system
Technical field
The invention belongs to reduction box lubricating system field, be applicable to the lubrication system of the industry speed reducers such as metallurgy, ore, cement.
Background technique
During speed reducer work, need good lubricating and carry out in time good heat exchange, lubrication system is the indispensable constituent element of the normal work of speed reducer.In traditional design, speed reducer generally adopts bath lubrication or the lubricated mode of forced feed, and these two kinds of lubricating systems are respectively had its own pluses and minuses, are presented below respectively:
Bath lubrication: inject a certain amount of lubricant oil in speed reducer, gear parts is directly immersed in lubricant oil; Speed reducer arranges oil inlet and outlet, is connected respectively with lubricating fitting oil-feed port and return opening, forms closed circulation system, during equipment operation, after the high temperature grease in speed reducer is cooling by lubrication station, enters in speed reducer again.In time, mobile lubricant oil can be taken away in speed reducer partial impurities and filter through lubricating fitting for this kind of lubricating system oil mass abundance, heat radiation, make gear obtain fully, lubricated reliably.Shortcoming is to be not suitable for to shut down in extremely frigid zones or winter maintenance, and low temperature very easily makes lubricant oil freeze to be attached on gear and casing and not easy-clear, simultaneously the replacing inconvenience of lubricant oil.
Forced feed is lubricated: speed reducer is equipped with the lubrication station with fuel tank, lubricant oil by lubrication station with certain pressure pumping, be dispensed to each lubricating point in speed reducer, then from return opening, get back to fuel tank and carry out cooling, filtration.This kind of lubricating system can be taken away heat, and pressure oil can wash away the metal granule of friction surface filter out.Shortcoming is that the lubricants capacity of each point and pressure must be monitored, and guarantees that gear is lubricated reliably, and output pipe more complicated is very high to oil product requirement, otherwise oil circuit is easily blocked, causes gear to can not get lubricating timely and damages; And lubrication station guarantees that pressure needs double pump system and the supervisory system cost thereof of setting higher.
Summary of the invention
The object of the invention is to: a kind of Novel speed reducer lubrication system is provided, has the advantage of the lubricated two kinds of modes of bath lubrication and forced feed concurrently, reduce cost of equipment.
The object of the invention realizes by following technical proposals:
A kind of reduction box lubricating system, comprise the speed reducer, pump-unit and the fuel tank that are provided with oil inlet and outlet, described speed reducer oil outlet is connected with pump-unit import and fuel tank respectively by oil outlet three-way valve by pipeline, described pump-unit import also connects fuel tank by valve, and described pump-unit outlet is connected with speed reducer filler opening and fuel tank respectively by filler opening three-way valve by pipeline.
As optimal way, in described fuel tank, be provided with fluid level controller, heater and temperature transducer and be connected with control system.
As optimal way, described speed reducer oil outlet to the pipeline between oil outlet three-way valve is provided with stop valve.
As optimal way, the pipeline that described pump-unit is exported between filler opening three-way valve is provided with safety valve, differential pressure transmitter device, filter, flow indicator, thermometer, heat exchanger, pressure meter switch, pressure gauge and temperature transducer.
As optimal way, described oil outlet three-way valve to the pipeline between pump-unit import is provided with thermometer.
As optimal way, the pipeline that described filler opening three-way valve is connected with fuel tank is provided with filter.
As optimal way, described three-way valve is threeway four seal ball-valves.Threeway four seal ball-valves can make three passages be interconnected, and also can close arbitrary passage, make two other channel connection.
Beneficial effect of the present invention: the advantage that has the lubricated two kinds of modes of bath lubrication and forced feed concurrently.When speed reducer normally moves, fuel tank and speed reducer and pump-unit disconnect, and pump-unit is communicated with formation bath lubrication mode with speed reducer, guarantee that speed reducer is lubricated reliably; Long-time shut down or during maintenance, fuel tank is communicated with pump-unit and speed reducer, lubricant oil can natural back flow or is pumped to fuel tank, and assurance speed reducer obtains good lubricating under low temperature environment.Compared with bath lubrication, the quality of lubricant oil is more easily guaranteed, and practical region and repair time are wider, and more oil change is more convenient; Compared with forced feed is lubricated, oil feed line is simpler, manipulates easylier, and water environment capacity is stronger, and single-pump system and easy supervisory system make its cost lower.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Wherein 1-speed reducer filler opening, 2-speed reducer oil outlet, 3-stop valve, 4-oil outlet threeway four seal ball-valves, 5-bimetallic thermometer, 6-gear pump, 7-fuel tank valve, 8-heater, 9-fuel tank, 10-air-strainer, 11-magnetic web filter, 12-platinum thermoresistance, 13-fluid level controller, 14-liquid level liquid thermometer, 15-safety valve, 16-differential pressure transmitter device, 17-duplex filter, 18-flow indicator, 19-heat exchanger, 20-pressure meter switch, 21-pressure gauge, 22-filler opening threeway four seal ball-valves, 23-ball valve.
Embodiment
Following non-limiting examples is used for illustrating the present invention.
embodiment 1:
As shown in Figure 1, a kind of reduction box lubricating system, comprise the speed reducer, pump-unit and the fuel tank 9 that are provided with oil inlet and outlet, as shown in this embodiment, pump-unit is gear pump 6, described speed reducer oil outlet 2 is connected with gear pump 6 imports and fuel tank 9 respectively by oil outlet threeway four seal ball-valves 4 by pipeline, and described gear pump 6 imports also connect fuel tank 9 by ball valve 23, and described gear pump 6 exports by pipeline and is connected with speed reducer filler opening 1 and fuel tank 9 respectively by filler opening threeway four seal ball-valves 22.In described fuel tank 9, be provided with fluid level controller 13, heater 8 and temperature transducer and be connected with control system, as shown in this embodiment, temperature transducer is platinum thermoresistance 12.Described speed reducer oil outlet 2 to the pipeline between oil outlet threeway four seal ball-valves 4 is provided with stop valve 3.The pipeline that described gear pump 6 is exported between filler opening threeway four seal ball-valves 22 is provided with safety valve 15, differential pressure transmitter device 16, filter, flow indicator 18, thermometer, heat exchanger 19, pressure meter switch 20, pressure gauge 21 and temperature transducer, as shown in this embodiment, filter is duplex filter 17, temperature is counted bimetallic thermometer 5, and temperature transducer is platinum thermoresistance 12.Described oil outlet threeway four seal ball-valves 4 are provided with thermometer to the pipeline between gear pump 6 imports, and as shown in this embodiment, temperature is counted bimetallic thermometer 5.Described filler opening threeway four seal ball-valves 22 are provided with filter with the pipeline that fuel tank 9 is connected, and as shown in this embodiment, filter is magnetic web filter 11.
Embodiment of the present invention operation process:
Bath lubrication: before speed reducer running, the BA of oil outlet threeway four seal ball-valves 4 is communicated with, BC, CA closes, ball valve 23 is closed, the BA of filler opening threeway four seal ball-valves 22 is communicated with, BC, CA closes, platinum thermoresistance 12 detects lubricating oil temperature: a. is if temperature is lower than the minimum of setting, heater 8 is worked, gear pump 6 circulates until temperature reaches the peak of setting the lubricant oil in fuel tank 9 in fuel tank by pipeline, b. if temperature is higher than the peak of setting, : the AC of filler opening threeway four seal ball-valves 22 is communicated with, AB and BC close, lubricant oil is driven into speed reducer filler opening 1 and is stored in speed reducer.When the oil level in fuel tank reaches fluid level controller 13 setting values, oil outlet threeway four seal ball-valves 4, gear pump 6, filler opening threeway four seal ball-valves 22 and speed reducer oil-feed port 1 form bath lubrication mode.When speed reducer orderly closedown, BA, the CA of oil outlet threeway four seal ball-valves 4 close, and BC is communicated with, and CA, the BC of filler opening threeway four seal ball-valves 22 close, and AB is communicated with, and in speed reducer, lubricant oil natural back flow is to fuel tank, and the lubricant oil in pipeline is pumped to fuel tank.
Forced feed is lubricated: before speed reducer running, the BA of oil outlet threeway four seal ball-valves 4 is communicated with, BC, CA closes, ball valve 23 is closed, the BA of filler opening threeway four seal ball-valves 22 is communicated with, BC, CA closes, platinum thermoresistance 12 detects lubricating oil temperature: a. is if temperature is lower than the minimum of setting, heater 8 is worked, gear pump 6 circulates until temperature reaches the peak of setting the lubricant oil in fuel tank 9 in fuel tank by pipeline, b. if temperature is higher than the peak of setting, : ball valve 23 is opened, the BC of oil outlet threeway four seal ball-valves 4 is communicated with, AB, AC closes, the AC of filler opening threeway four seal ball-valves 22 is communicated with, AB, BC closes, lubricant oil is driven into speed reducer filler opening 1 reducer gear is lubricated, then lubricant oil is back to fuel tank 9 along the BC of oil outlet threeway four seal ball-valves 4, gear pump 6 re-circulates to speed reducer by the lubricant oil in fuel tank 9 by ball valve 23, mineralization pressure fuel feeding lubricating system.When speed reducer orderly closedown, CA, the BC of filler opening threeway four seal ball-valves 22 close, and AB is communicated with, and in speed reducer, lubricant oil natural back flow is to fuel tank, and the lubricant oil in pipeline is pumped to fuel tank.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (7)

1. a reduction box lubricating system, comprise the speed reducer, pump-unit and the fuel tank that are provided with oil inlet and outlet, it is characterized in that: described speed reducer oil outlet is connected with pump-unit import and fuel tank respectively by oil outlet three-way valve by pipeline, described pump-unit import also connects fuel tank by valve, and described pump-unit outlet is connected with speed reducer filler opening and fuel tank respectively by filler opening three-way valve by pipeline.
2. reduction box lubricating system as claimed in claim 1, is characterized in that: in described fuel tank, be provided with fluid level controller, heater and temperature transducer and be connected with control system.
3. reduction box lubricating system as claimed in claim 1, is characterized in that: the pipeline that described pump-unit is exported between filler opening three-way valve is provided with safety valve, differential pressure transmitter device, filter, flow indicator, thermometer, heat exchanger, pressure meter switch, pressure gauge and temperature transducer.
4. reduction box lubricating system as claimed in claim 1, is characterized in that: described speed reducer oil outlet to the pipeline between oil outlet three-way valve is provided with stop valve.
5. reduction box lubricating system as claimed in claim 1, is characterized in that: described oil outlet three-way valve to the pipeline between pump-unit import is provided with thermometer.
6. reduction box lubricating system as claimed in claim 1, is characterized in that: the pipeline that described filler opening three-way valve is connected with fuel tank is provided with filter.
7. the reduction box lubricating system as described in arbitrary claim in claim 1 to 6, is characterized in that: described three-way valve is threeway four seal ball-valves.
CN201110240994.0A 2011-08-22 2011-08-22 Speed reducer lubrication system Active CN102287524B (en)

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Application Number Priority Date Filing Date Title
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CN102287524B true CN102287524B (en) 2014-05-07

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Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
CN103016942A (en) * 2012-12-18 2013-04-03 北京首钢自动化信息技术有限公司 Protection method of thin oil lubricating equipment
CN105201589B (en) * 2015-09-21 2017-09-19 上海威纳工程技术有限公司 A kind of high-accuracy and constant temperature engine oil charging device of car engine machine production line
CN105422823A (en) * 2015-12-29 2016-03-23 浦林成山(山东)轮胎有限公司 Reduction box lubricating centralized supervisory system
JP6845128B2 (en) * 2017-12-25 2021-03-17 ファナック株式会社 Oil circulation device and oil circulation system that agitates the oil in the oil bath
CN111907113B (en) * 2020-06-19 2021-08-31 合肥职业技术学院 A lubricated maintenance device for rotary tablet press mould

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SU671877A1 (en) * 1977-11-21 1979-07-05 Северный научно-исследовательский институт промышленности Arrangement for flushing hydraulic and lubrication systems
US4169519A (en) * 1977-04-07 1979-10-02 Carl Hurth Maschinen-Und Zahnradfabrik Lubricating device for transmissions or the like in starting condition
CN201129442Y (en) * 2007-11-19 2008-10-08 桐昆集团浙江恒盛化纤有限公司 Polyester producing reactor stirrer reduction box centralized oil supplying device
CN201381952Y (en) * 2009-04-30 2010-01-13 哈尔滨哈飞工业有限责任公司 Wind turbine generator system gear box lubricating system
CN201575285U (en) * 2009-12-10 2010-09-08 天津钢管集团股份有限公司 Thin oil lubricating system for large-sized speed reducer
CN101890656A (en) * 2010-08-20 2010-11-24 三河市同飞制冷设备有限公司 Oil cooler special for reduction gearbox of numerical control machine tool
CN201795258U (en) * 2010-09-16 2011-04-13 鞍钢股份有限公司 Self-lubricating device for motor bearing
CN202215718U (en) * 2011-08-22 2012-05-09 成都利君实业股份有限公司 A reduction box lubricating system

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JP2830260B2 (en) * 1989-12-30 1998-12-02 トヨタ自動車株式会社 Aircraft reducer
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Publication number Priority date Publication date Assignee Title
US4169519A (en) * 1977-04-07 1979-10-02 Carl Hurth Maschinen-Und Zahnradfabrik Lubricating device for transmissions or the like in starting condition
SU671877A1 (en) * 1977-11-21 1979-07-05 Северный научно-исследовательский институт промышленности Arrangement for flushing hydraulic and lubrication systems
CN201129442Y (en) * 2007-11-19 2008-10-08 桐昆集团浙江恒盛化纤有限公司 Polyester producing reactor stirrer reduction box centralized oil supplying device
CN201381952Y (en) * 2009-04-30 2010-01-13 哈尔滨哈飞工业有限责任公司 Wind turbine generator system gear box lubricating system
CN201575285U (en) * 2009-12-10 2010-09-08 天津钢管集团股份有限公司 Thin oil lubricating system for large-sized speed reducer
CN101890656A (en) * 2010-08-20 2010-11-24 三河市同飞制冷设备有限公司 Oil cooler special for reduction gearbox of numerical control machine tool
CN201795258U (en) * 2010-09-16 2011-04-13 鞍钢股份有限公司 Self-lubricating device for motor bearing
CN202215718U (en) * 2011-08-22 2012-05-09 成都利君实业股份有限公司 A reduction box lubricating system

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