CN101865278A - Non-motile non-prelubricating high-speed gear device - Google Patents
Non-motile non-prelubricating high-speed gear device Download PDFInfo
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- CN101865278A CN101865278A CN 201010213469 CN201010213469A CN101865278A CN 101865278 A CN101865278 A CN 101865278A CN 201010213469 CN201010213469 CN 201010213469 CN 201010213469 A CN201010213469 A CN 201010213469A CN 101865278 A CN101865278 A CN 101865278A
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- prelubricating
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- shoe cream
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Abstract
The invention relates to a non-motile non-prelubricating high-speed gear device aiming to the condition that a non-motile non-prelubricating device technology is blockaded by foreign enterprises, and the assorted application of national nuclear secondary charging pumps is directly influenced. The non-motile non-prelubricating high-speed gear device is designed for realizing that a nuclear secondary charging pump of a nuclear power system can immediately start in danger without preliminarily providing gear and sliding bearing lubricating oil processes and solving the technical problems of misoperation caused by manual operation, and the like. The non-motile non-prelubricating high-speed gear device mainly comprises a gearbox and a lubricating oil station, wherein the gearbox is provided with two oil storage cavities, i.e. an oil storage cavity tank for gear bearing lubrication and an oil delivery cavity for gear lubrication, the lubricating oil station is communicated with the oil storage cavity tank for gear bearing lubrication through an oil intake pipeline, and the oil storage cavity tank for gear bearing lubrication is communicated with the oil delivery cavity for gear lubrication and forms a loop with an oil tank of the lubricating oil station as the base of the gearbox through an oil return pipeline on an oil return tank. The invention has the advantages that non-motile non-prelubricating gears and bearings are realized in emergence by utilizing the physical phenomena of the earth gravity and the substance gravity, misoperation caused by manual operation is lessened and avoided, and the safe, reliable and stable operation of the gears and the bearings are guaranteed.
Description
Technical field:
The present invention relates to a kind of gear drive, relate in particular to a kind of non-motile non-prelubricating high-speed gear device.Belong to and be applied to fill on the nuclear power system secondary the supporting gear drive of pump.
Background technique:
Nuclear power has become the second largest energy that is only second to thermoelectricity in the world at present as safety, cleaning, the energy efficiently.State plan reaches on the basis of 4,000 ten thousand kilowatts of nuclear power electric motor powers at the year two thousand twenty for this reason, builds 1,800 ten thousand kilowatts of nuclear power generating sets again.Various other type of pump of level are arranged in operation in each system of nuclear power station.With on to fill the supporting high gear transmission device of pump be one of indispensable gear drive in the nuclear power industry.This product is different from the gear drive of other industrial field.Because this gearing is applied on the nuclear secondary equipment, fills pump after receiving actuating signal on the nuclear secondary in engineered safeguards features, need put into operation immediately, and the process of gear and sliding bearing lubricating oil is not provided in advance, this is the needs of nuclear safety.So, at all unnecessaryly hesitate, have slightly and hesitate, just can cause hardly imaginable nuclear catastrophe.The accident of the former Soviet Union " Chernobyl " nuclear power station is exactly an illustration.After this, nuclear power developing enters and reaches the low tide in more than 20 year.Cause to the Chernobyl Plant accident is found out; Mainly be due to the human operational error.Non-active no pre-lubrication gear drive is to fill the supporting key equipment of pump on the nuclear secondary at present, also has only gear manufactories of several family such as the U.S., France, Japan to design and to make in the world.But abroad the no pre-lubrication gearing of these grasps manufacturing firm is a barrier with nuclear secret, monopolization all, be unwilling to sell this gearing with high content of technology, so it directly influences the supporting application of filling pump on China's nuclear secondary.
Summary of the invention:
The present invention is in order to solve at present external non-active no pre-lubrication gearing manufacturer, owing to externally carry out blockade on new techniques, directly influence for this reason and fill the supporting application of pump on China nuclear secondary and in order to realize that filling pump on the nuclear power system secondary can put into operation immediately after receiving actuating signal, there is not the process that gear and sliding bearing lubricating oil are provided in advance, avoid the technical problems such as error due to the manual operation, a kind of non-motile non-prelubricating high-speed gear transmission device is provided, it mainly is made up of gear-box and lubricant oil station, described gear-box is provided with two place's shoe cream rooms, one place is the sliding bearing shoe cream room, and another place is the shoe cream room of gear lubrication; Described lubricant oil station is communicated with the sliding bearing shoe cream room by in-line; The shoe cream room of institute's gear lubrication is positioned at sliding bearing shoe cream room below, and forms the loop by the fuel tank at return line on the oil return pond and lubricant oil station; On the in-line at described lubricant oil station and the pipeline between the shoe cream room, also be provided with electric heater.
Characteristics of the present invention and beneficial effect:
1. this device is used for safety system, meets the core design thought of third generation nuclear power station, and it is a physical phenomenon of utilizing the nature that earth attraction, material gravity causes, in emergency circumstances realizes no pre-lubrication gear and bearing meeting with;
2. reduce and avoided the operate miss that manual operation caused;
3. gear and bearing take non-enabling fashion to realize not having prelubricated startup, guarantee safe and reliable, the smooth running of gear and bearing.
Description of drawings:
Fig. 1-1 to Fig. 1-3 be general structure schematic representation of the present invention
Gear box structure schematic representation among Fig. 2 the present invention
Non-active no pre-lubrication sliding bearing structure schematic representation among Fig. 3 the present invention
Embodiment:
Referring to Fig. 1-1 to Fig. 1-3, the non-motile non-prelubricating high-speed gear transmission device, it mainly is made up of gear-box 1 and lubricant oil station 2, described gear-box 1 is provided with two place's shoe cream rooms, a place is a sliding bearing shoe cream room 3, another place is the shoe cream room 4 of gear lubrication; Described lubricant oil station 2 is communicated with sliding bearing shoe cream room 3 by in-line 5; The shoe cream room 4 of institute's gear lubrication is positioned at sliding bearing shoe cream room 3 belows, and by the fuel tank formation loop of the return line on the oil return pond 10 6 with lubricant oil station 2; On the in-line 5 at described lubricant oil station 2 and the pipeline between the shoe cream room 4, also be provided with electric heater 7.The fuel tank at described lubricant oil station 2 is as the base of gear-box 1.
Described gear-box 1 is divided into two-layer up and down, and the upper strata is the gear lubrication oil reservoirs, and lower floor is total oil return layer; Described sliding bearing shoe cream room 3 is made up of pinion bearing oil storage tank 8 that is positioned at gear-box 1 both sides and gearwheel bearing oil storage tank 9; The flank of tooth of the small gear in the described gear-box 1 is provided with copper layer.
Following watt 11 of described sliding bearing is provided with main oil pocket 12 and pays oil pocket 13, be communicated with by the lubricated oil inlet hole 14 of restriction and substantially horizontal.
Working principle:
The present invention is applied on the nuclear secondary equipment, after filling pump on the nuclear secondary in the engineered safeguards features and receiving actuating signal, need put into operation immediately, does not have gear and sliding bearing pre-lubrication process, and this is the needs of nuclear safety facility.The present invention is exactly at after filling pump on the nuclear secondary in the engineered safeguards features and receiving the emergency start signal, large and small gear shaft rotates in sliding bearing and large and small gear when moving relatively, and producing a large amount of heat needs the lubricant oil cooling that a large amount of torrid zones is walked.Use and to be positioned at the main oil pocket 12 on following watt 11 on the pinion bearing oil storage tank 8 of both sides and lubricant oil that gearwheel bearing oil storage tank 9 stores and the sliding bearing in the default sliding bearing shoe cream room 3 of gear-box 1 and to pay the lubricant oil that oil pocket 13 stores, the pump efficiency that large and small gear rotation is produced when utilize starting should, add under the microgravity effect of material, in the oil pocket with static lubricant oil inspiration bearing, form oil film, axle and sliding bearing are separated with oil film, realize non-active no pre-lubrication.The lubricated of gear is to utilize lubricant oil stored in the gear lubrication shoe cream room 4, the gearwheel rotation takes up the lubricant oil in the shoe cream room 4 when starting, generation flies low-priced, and large and small gear integral body has obtained lubricated all sidedly, so reach the gear-box buying technical specifications requirement of filling pump.
Embodiment
Non-active no pre-lubrication gear drive is to fill the supporting key equipment of pump on the nuclear secondary.Also have only gearbox drive device manufactory of several family to make in the world.The present invention normally moves up to gear-box from emergency start for filling the supporting non-active no pre-lubrication gear drive of pump on the nuclear secondary, be non-active lubricated during this period fully by natural phenomenon, exhausted unmanned for participating in, thus human operational error's risk be reduced to minimum, avoid the human operational error, guarantee the nuclear measure effectively safety be design object.Because this gear drive is applied on the nuclear secondary equipment, after filling pump on the nuclear secondary in the engineered safeguards features and receiving actuating signal, need put into operation immediately, does not have gear and sliding bearing pre-lubrication process, this is the needs of nuclear safety facility.
Referring to Fig. 2-Fig. 3, the general structure of non-motile non-prelubricating high-speed gear transmission device is made up of gear-box 1 and lubricant oil station 2.Gear-box 1 is divided into two-layer up and down, and the upper strata is the gear lubrication oil reservoirs, and lower floor is total oil return layer.Pinion bearing oil storage tank 8 in the sliding bearing shoe cream room 3 and gearwheel bearing oil storage tank 9 are positioned at the both sides of gear-box 1.Following watt 11 at sliding bearing is provided with main, pair oil pocket 12,13, is communicated with by restriction and the lubricated oil inlet hole 14 of substantially horizontal.The fuel tank at lubricant oil station 2 makes the compact structure of fuel tank be suitable for using in the nuclear facility equipment as the base of gear-box 1.Lubricant oil station 2 is communicated with sliding bearing shoe cream room 3 by in-line 5; And by the fuel tank formation loop of the return line on the oil return pond 10 6 with lubricant oil station 2; Between the in-line at lubricant oil station 2 and shoe cream room 4, also be provided with electric heater 7.Fuel tank requires to adopt the high on-deformable material preparation of low-carbon alloy steel rigidity.
The sliding bearing that non-active no pre-lubrication starts is different with plain bearing.The lubricated oil inlet hole of the sliding bearing of substantially horizontal, its oil-feed resistance is little, has certain liquid level poor, under the microgravity effect of material, is easy to realize no pre-lubrication.
The design of large and small gear structure not only can the transmission required drive, but also to keep out the complementary acceleration that earthquake produced of any grade, gear is unlikely to cause various forms of damages and causes inefficacy, so when design of gears, should accomplish to improve antiscuffing capacity, prevent flank of tooth scratch; Improve tooth-face roughness.Reduce the coefficient of kinetic friction:
1. on basic parameters selection, adopt the big angle of pressing, strengthen thickness at root of tooth, improve the tooth root bending fatigue strength;
2. the carburized gears tooth root makes the wheel beam strength of tooth improve nearly one times through shot blast;
3. with the copper facing of the small gear flank of tooth.
The fuel tank at lubricant oil station (base of double as gear-box) structural design, the design of this fuel tank can not design routinely, because the fuel tank that designs routinely is not only high but also big, surpasses and fills pump " requirement of gear-box buying technical specifications is so can not design routinely.To further optimize to reach to the structural type of fuel tank the intensity and the rigidity of fuel tank are carried out detailed calculating, that is:
1. the base of fuel tank double as gear-box requires: compact structure, center height are low, intensity and good rigidly;
2. gear-box and fuel tank into and out of oil pipe line trend, arrange reasonable in design.It is the split that the filler opening of in-line will be higher than pinion bearing oil storage tank and gearwheel bearing oil storage tank.The space oil storage that utilizes gear housing and bearing support is to realize non-active no pre-lubrication.Aspect prevention and resistance earthquake, adopt the technology of large pressure angle, the sclerosis flank of tooth to make its gear have extremely strong service requirement to the processing of gear.Make it have good dynamic performance, the single order critical value order of magnitude of its large and small gear all is the multiple of their working speeds, the linear velocity of gear reaches 32m/s, accuracy of manufacturing reaches the GB10095-5 level, guarantees that the non-motile non-prelubricating high-speed gear transmission device operates steadily and the utmost point long life.
Adopting above-mentioned design, is that the present invention has good non-active no pre-lubrication starting characteristic.In a single day nuclear facility meets with urgency, and it utilizes the material gravity of nature to realize non-active no pre-lubrication as driving, and guarantees that gear and bearing clean boot put into operation; Avoid the human operational error.The non-motile non-prelubricating high-speed gear transmission device can adapt to various complicated urgencies, the length of starting time no matter, and no pre-lubrication all can be realized.
Claims (6)
1. non-motile non-prelubricating high-speed gear device, it mainly is made up of gear-box (1) and lubricant oil station (2), it is characterized in that: described gear-box (1) is provided with two place's shoe cream rooms, and a place is sliding bearing shoe cream room (3), and another place is the shoe cream room (4) of gear lubrication; Described lubricant oil station (2) is communicated with sliding bearing shoe cream room (3) by in-line (5); The shoe cream room (4) of institute's gear lubrication is positioned at sliding bearing shoe cream room (3) below, and by the fuel tank formation loop of the return line (6) on oil return pond (10) with lubricant oil station (2); On the in-line (5) at described lubricant oil station (2) and the pipeline between the shoe cream room (4), also be provided with electric heater (7).
2. non-motile non-prelubricating high-speed gear device according to claim 1 is characterized in that: described gear-box (1) is divided into two-layer up and down, and the upper strata is the gear lubrication oil reservoirs, and lower floor is total oil return layer.
3. non-motile non-prelubricating high-speed gear device according to claim 1 is characterized in that: described sliding bearing shoe cream room (3) is made up of pinion bearing oil storage tank (8) that is positioned at gear-box (1) both sides and gearwheel bearing oil storage tank (9).
4. non-motile non-prelubricating high-speed gear device according to claim 1 is characterized in that: the fuel tank at described lubricant oil station (2) is as the base of gear-box (1).
5. non-motile non-prelubricating high-speed gear device according to claim 1 is characterized in that: the flank of tooth of the small gear in the described gear-box (1) is provided with copper layer.
6. non-motile non-prelubricating high-speed gear device according to claim 1 is characterized in that: following watt (11) of described sliding bearing are provided with main, pair oil pocket (12) (13), are communicated with by restriction and the lubricated oil inlet hole (14) of substantially horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102134695A CN101865278B (en) | 2010-06-30 | 2010-06-30 | Non-motile non-prelubricating high-speed gear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102134695A CN101865278B (en) | 2010-06-30 | 2010-06-30 | Non-motile non-prelubricating high-speed gear device |
Publications (2)
| Publication Number | Publication Date |
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| CN101865278A true CN101865278A (en) | 2010-10-20 |
| CN101865278B CN101865278B (en) | 2012-08-01 |
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| CN2010102134695A Expired - Fee Related CN101865278B (en) | 2010-06-30 | 2010-06-30 | Non-motile non-prelubricating high-speed gear device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613091A (en) * | 2015-01-28 | 2015-05-13 | 沈阳世润重工有限公司 | Lubrication structure of babbitt alloy sliding bearing bush for speed increasing machine |
| CN113847414A (en) * | 2021-11-08 | 2021-12-28 | 黄秀芳 | Auxiliary support sliding bearing and gear lubricating structure for motor shaft of reciprocating pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314406A (en) * | 2008-05-21 | 2008-12-03 | 苏州船用机械有限公司 | Design method of large-power rudder oar lubrication system |
| CN101539196A (en) * | 2009-04-13 | 2009-09-23 | 江苏泰隆减速机股份有限公司 | Automatic power type lubricant passage way system for transmission of satellite gears |
| CN201696597U (en) * | 2010-06-30 | 2011-01-05 | 沈阳申克动力机械有限公司 | Passive high-speed gear device without pre-lubrication |
-
2010
- 2010-06-30 CN CN2010102134695A patent/CN101865278B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314406A (en) * | 2008-05-21 | 2008-12-03 | 苏州船用机械有限公司 | Design method of large-power rudder oar lubrication system |
| CN101539196A (en) * | 2009-04-13 | 2009-09-23 | 江苏泰隆减速机股份有限公司 | Automatic power type lubricant passage way system for transmission of satellite gears |
| CN201696597U (en) * | 2010-06-30 | 2011-01-05 | 沈阳申克动力机械有限公司 | Passive high-speed gear device without pre-lubrication |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613091A (en) * | 2015-01-28 | 2015-05-13 | 沈阳世润重工有限公司 | Lubrication structure of babbitt alloy sliding bearing bush for speed increasing machine |
| CN113847414A (en) * | 2021-11-08 | 2021-12-28 | 黄秀芳 | Auxiliary support sliding bearing and gear lubricating structure for motor shaft of reciprocating pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865278B (en) | 2012-08-01 |
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