CN102829090A - Slide bearing with intelligent monitoring device - Google Patents
Slide bearing with intelligent monitoring device Download PDFInfo
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- CN102829090A CN102829090A CN201210345878XA CN201210345878A CN102829090A CN 102829090 A CN102829090 A CN 102829090A CN 201210345878X A CN201210345878X A CN 201210345878XA CN 201210345878 A CN201210345878 A CN 201210345878A CN 102829090 A CN102829090 A CN 102829090A
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- bearing
- high pressure
- sliding bearing
- controlling device
- pressure oil
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Abstract
A slide bearing with an intelligent monitoring device comprises a bearing seat, a bearing bush which is arranged inside the bearing seat and a bearing end cover which is fixed on the bearing seat through two ends of the bearing bush; and the slide bearing is characterized in that the bearing seat is fixedly provided with an oil inlet device, an oil outlet device, a high-pressure oil pump device, a junction box and a monitoring instrument. The slide bearing has beneficial effects that through the reasonable combination of the oil inlet device, the oil outlet device, the high-pressure oil pump device and relevant monitoring instrument, the intelligent control of the slide bearing is realized, so that the slide bearing is safer and more reliable to run.
Description
Technical field
The present invention relates to sliding bearing, specifically relate to a kind of sliding bearing with intelligence monitoring and controlling device.
Background technique
In equipment such as motor, steam turbine, compressor; Sliding bearing is indispensable constituent elements; Its rotor is played support or leading role, and under the liquid lubrication condition, the undeveloped life of the lubricated oil content of sliding bearing and rotor surface directly contacts; Reduce frictional loss and surface abrasion greatly, oil film also has certain vibration absorption ability.
Generally; Mostly use sliding bearings such as motor are self-lubricating plain bearing, and self-lubricating plain bearing has oil ring, and oil ring is brought the lubricant oil in the bearing chamber into the plain bearing bush surface with rotor rotation during work; Radial journal bearing work; But along with root diameter increase, rotating speed raising, load increase etc., self oiling bearing can not satisfy usage requirement, therefore need provide lubricant oil to satisfy its job requirement to sliding bearing by the outside.
Outer fuel feeding sliding bearing need detect monitoring to the flow of oil-feed, temperature, pressure etc.; Also tackle bearing bush temperature during operation and detect monitoring; Under than working conditions such as the slow-speed of revolution, alternate loads; The mixed friction state can occur between bearing and axle journal, cause bearing shell surface heat amount to increase, wear and tear and aggravate, even the situation of " killing " tile kilning can occur; For prevent that sliding bearing is damaged under some operating mode; Need the high pressure jacking apparatus to be set in bearing, can suitable high pressure oil be provided for bearing, should be provided with in the high pressure jacking apparatus that pressure gauge, pressure switch etc. can detect, the instrument of pilot pressure for guaranteeing the high pressure jacking apparatus to guarantee the Security of its operation.
Existing outer fuel feeding sliding bearing is most fairly simple to being provided with of various detecting instruments, instrument; Each instrument, instrument cubicle association are less; Continuous development with technology; Means such as the detection of machinery, monitoring constantly improve, and sliding bearing is as the important composition parts of rotary machine, and simple detection can not be satisfied usage requirement.
Summary of the invention
The purpose of this invention is to provide instruments such as a kind of detection, monitoring, sliding bearing that instrument is complete, to realize the intellectuality of sliding bearing monitoring, the operation that is beneficial to the sliding bearing safety and reliability is used.
To achieve these goals, the technological scheme that the present invention adopted is following:
A kind of sliding bearing with intelligence monitoring and controlling device comprises the bearing shell of bearing support, bearing support inside and the bearing (ball) cover that bearing support is fixed at the bearing shell two ends; It is characterized in that, be fixed with oil-feed device, fuel-displaced device, high pressure oil pump device, terminal box and monitoring device on the said bearing support.
Wherein, Said oil-feed device comprises inflow pipeline; Said inflow pipeline is provided with a pressure gauge, a flowmeter and a high pressure oil-feed interface; The outlet of said inflow pipeline is fixed together through the flange and the bearing support of its end, and said high pressure oil-feed interface connects the filler opening of high pressure oil pump device.
Further, also be provided with throttle valve or restricting orifice on the said inflow pipeline.
Further, said pressure gauge and flowmeter are explosion-proof type.
Said fuel-displaced device comprises flowline, and said flowline is provided with a temperature measuring gauge and and passes through oily mirror, and the filler opening of said flowline is fixed together through the flange and the bearing support of its end.
Further, said temperature measuring gauge is an explosion-proof type.
Said bearing (ball) cover adopts the two labyrinth seals of clearance type, and sealing material is nylon, teflon or polyimide, is processed with positive airway pressure hole and sensor mounting hole on the bearing (ball) cover, is provided with temperature transducer in the said sensor mounting hole.
Be provided with a temperature transducer in the said bearing shell, also be provided with a high pressure jacking apparatus at the bearing shell downside.
Said high pressure oil pump device comprises high pressure oil pump, one-way valve, filter, relief valve, pressure switch and pressure gauge; Said high pressure oil pump connects one-way valve through oil pipe, and one-way valve also is connected through oil pipe with filter, relief valve, pressure switch and pressure gauge successively.
Also be fixed with on the said bearing support and be used for detection facility at the vibration of running and the current vortex sensor of rotating speed.
The invention has the beneficial effects as follows,, realized the intellectuality control of sliding bearing, make the operation of sliding bearing safer, more reliable through the combination of oil-feed device, fuel-displaced device, high pressure oil pump device and corresponding monitoring device.
Description of drawings
Fig. 1 is the structural representation of a kind of sliding bearing with intelligence monitoring and controlling device of the present invention.
Fig. 2 is the structural representation of the oil-feed device of a kind of sliding bearing with intelligence monitoring and controlling device of the present invention.
Fig. 3 is the structural representation of the fuel-displaced device of a kind of sliding bearing with intelligence monitoring and controlling device of the present invention.
Fig. 4 is the structural representation of the bearing (ball) cover of a kind of sliding bearing with intelligence monitoring and controlling device of the present invention.
Fig. 5 is the schematic cross-section of the bearing shell part of a kind of sliding bearing with intelligence monitoring and controlling device of the present invention.
Fig. 6 is the structural representation of the high pressure jacking apparatus that is provided with of the bearing shell downside of a kind of sliding bearing with intelligence monitoring and controlling device of the present invention.
Fig. 7 is the structural representation of the high pressure oil pump device of a kind of sliding bearing with intelligence monitoring and controlling device of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with diagram and specific embodiment, further set forth the present invention.
Referring to Fig. 1, a kind of sliding bearing with intelligence monitoring and controlling device comprises the bearing shell 200 of bearing support 100, bearing support 100 inside and the bearing (ball) cover 300 that bearing support is fixed at the bearing shell two ends; It is characterized in that, be fixed with oil-feed device 400, fuel-displaced device 500, high pressure oil pump device 600, terminal box 700 and monitoring device on the said bearing support.
Referring to Fig. 1, Fig. 2, oil-feed device 400 is connected on the bearing support 100 through flange, screw thread etc.Be provided with pressure gauge 401 and flowmeter 402 in the oil-feed device, for satisfying the component that client's usage requirement also can be provided with may command oil-feed flows such as throttle valve, restricting orifice; Pressure gauge 401 is used for monitoring input pressure, and flowmeter 402 is used for monitoring the oil-feed flow, and flowmeter 402 and pressure gauge 401 all can be realized on-the-spot demonstration also and the teletransmission output function, so that remote monitoring, field maintenance, Installation and Debugging etc.; Requiring explosion-proof place, pressure gauge 401 is made as explosion-proof type with flowmeter 402, to guarantee the safe and reliable of equipment.Oil inlet pipe has high pressure oil-feed interface 403, so that high pressure oil pump device 600 oil inlet pipes are connected with it.
Referring to Fig. 1, Fig. 3, fuel-displaced device 500 is connected on the bearing support 100 through flange, screw thread etc., which is provided with temperature measuring gauge 501, passes through oily mirror 502.Temperature measuring gauge 501 is used for the returning-oil temperature of monitoring bearing, can realize on-the-spot the demonstration and the teletransmission function, and requiring explosion-proof place, temperature measuring gauge 501 is selected the model that satisfies requirement of explosion proof for use, with the Security of assurance equipment operation; Pass through oily mirror 502 and process, can pass through oily mirror 502 and observe the scavenge oil situation by plexiglass.
Referring to Fig. 1, Fig. 4; The bearing (ball) cover 300 main sealing functions of realizing bearing; Prevent shaft extension parts of lubricating oil or mist of oil along the seal clearance effusion between end cap and the axle, it is inner also can to prevent that foreign matter from getting into bearing simultaneously, is connected on the bearing support through flange 301.Bearing (ball) cover 300 adopts two labyrinth seals, makes sealing effect better.End cap adopted H62 brass bar or floating seal ring sealing with labyrinth seal more in the past, and H62 brass bar can use in conventional environment, but in the place that requirement of explosion proof is arranged; Produce spark when being prone to the rotor collision, no longer be fit to use, if continue to adopt the sealing of copper Stamping Steel Ribbon because of it; Then material will be selected beryllium copper, and beryllium copper not only costs an arm and a leg, and poisonous; Not only increased manufacture cost greatly, also can pollute simultaneously, human body has been damaged environment; When adopting the floating seal ring sealing, floating seal ring directly contacts with rotor, is contact seal; Only be adapted at using under the lower linear velocity; Easy scaling loss under higher linear velocity produces high temperature, thereby in the environment of requirement of explosion proof is arranged, can not use during wearing and tearing.The bearing (ball) cover of this types of bearings adopts the two labyrinth seals of clearance type, and material can be selected nylon, teflon, polyimide etc. for use, according to root diameter design seal clearance; Be fit to any rotating speed, can not produce spark with the rotor collision, and insulation; Seal ring 302 is partly processed in two labyrinth seals, is convenient to install and change low cost of manufacture; And adopt the seam location between the bearing (ball) cover matrix, can not float.Be reserved with positive airway pressure hole 303 on the bearing (ball) cover, can insert barotropic gas, strengthen sealing effect, be provided with sensor mounting hole 304 simultaneously, so that the installation of sensor.
Referring to Fig. 1, Fig. 5; Bearing shell 200 is important component parts of sliding bearing, according to the difference of structural type cylinder type bearing shell, heavy wool wedge bearing shell, tilting pad type bearing shell can be arranged, and it is different that the bearing shell of different types is suitable for speed range; Manufacture cost is also variant; Heavy wool wedge bearing shell is better than the cylinder type bearing shell on the stability, tilting pad type bearing shell is better than heavy wool wedge bearing shell, so tilting pad type bearing shell stability is best, but its manufacture cost also is the highest.Bearing when operation the bearing shell surface can produce heat because of friction, the bearing shell surface friction can be divided into three kinds of dry friction, perfect fluid friction, fluid friction, wherein dry friction is forbidden in fluid bearing; Fluid friction is best, and bearing shell surface antifriction material has certain temperature using scope, the too high performance that can influence surperficial antifriction material of bearing shell surface temperature; Cause phenomenons such as bearing shell tile kilning, influence the use of bearing, for bearing shell surface temperature situation of change is monitored; In bearing shell, be provided with Pt100 platinum thermoresistance 201; Can be timely with bearing shell 200 Temperature Feedback in control system, be in dry condition for avoiding axle, in bearing shell, be provided with high pressure jacking apparatus 800 (see figure 6)s; When bearing shell is in dry condition or bearing shell surface temperature when too high; High pressure oil gets into the bearing shell surface from high pressure jacking apparatus 800, and with rotor and bearing shell surface isolation, protection equipment is not damaged.Referring to Fig. 6, high pressure jacking apparatus 800 is made up of pin 801, seal ring 802, joint 803, one-way valve 804, hollow screw 805, high-pressure oil pipe 806 etc., is connected on the bearing shell through flange or thread forms; The high pressure jacking apparatus does not have pin 801 when being used in cylinder type bearing shell, heavy wool wedge bearing shell, both played the effect that high pressure oil is transported to the bearing shell surface at tilting pad profile shaft watt-hour pin, can prevent that again tilting pad from axially reaching circumferential rotation; Be provided with one-way valve 804 in the high pressure jacking apparatus, when bearing need be used the high pressure jacking, high pressure oil backed down one-way valve; Make high pressure oil get into the bearing shell surface, under some operating mode, sliding bearing does not need high pressure oil when normal operation; And running intermediate bushing surface can produce the oil film of elevated pressures; No longer need the external high pressure fuel feeding, this moment, one-way valve 804 was closed, and prevented in the reverse inflow high-pressure oil pipe 806 of high pressure oil of bearing operation generation.Tilting pad type bearing shell, a tilting pad watt back of the body is designed to fin shape, has increased the heat diffusion area of tile fragment, and the heat on tile fragment surface is scattered and disappeared fast, thereby effectively reduces the temperature on tile fragment surface, strengthens the usability of bearing shell.
Referring to Fig. 1, Fig. 7, high pressure oil pump device 600 is for bearing shell 200 provides high pressure oil; Separate with rotor on assurance bearing shell surface; Avoid the generation of dry friction, in order to avoid damage the bearing shell surface, the slow-speed of revolution such as starting, stop at sliding bearing can not form under the operating mode of sliding friction and use.High pressure oil pump mainly contains compositions such as high pressure oil pump 601, one-way valve 602, filter 603, relief valve 604, pressure switch 611, pressure gauge 612; Device is provided with two high pressure oil pumps 601, and the using and the reserved can guarantee under non-stop-machine situation, to overhaul; One-way valve 602 can prevent the adverse current of pressure oil; Filter 603 will get into the precision that the surperficial high pressure oil of bearing shell is filled into permission, and relief valve 604 can prevent pressure overload damage equipment, and pressure gauge 612 is used for monitoring the pressure of high pressure oil pump output; Output switching value during pressure switch 611 work, the high pressure oil that pressure gauge 612 and pressure switch 611 guarantee to supply with bearing shell is in certain pressure range.
Current vortex sensor 900 mainly is used for the vibration of detection facility in running, rotating speed etc.
Terminal box 700 is to be used for the lighting outlet of each monitoring instrument, instrument is connected on wherein, conveniently further guides in the operating console.
A kind of sliding bearing with intelligence monitoring and controlling device of the present invention is before operation, and detection part is in shape.Low pressure oil is supplied with; To detect charge oil pressure normal for pressure gauge in the oil-feed device, and flowmeter detects flow in the design discharge scope, smooth through passing through oily sem observation oil return in the fuel-displaced device; Thermometer detects returning-oil temperature in scope of design in the oil return apparatus; Can start high pressure jacking apparatus mesohigh oil pump, otherwise check, solve fault.
Before the equipment operation, according to field condition setting pressure switched output value, high pressure oil pump starts during operation; Pressure gauge shows normal, pressure switch delivery pressure normal signal, and this moment, the equipment rotor was by high pressure oil jack-up; But starting device is if each instrument display abnormality switches to stand by pump with high pressure oil pump immediately; Stand by pump start each instrument of back show normal, can starting device, if all oil pumps all can not make instrument normally show; Then need stop high pressure oil pump, inspection high pressure jacking apparatus and each component that is associated with it.When equipment operation to can produce the design speed of sliding friction the time, can stop high pressure oil pump.
Behind the device start, current vortex sensor is in running order.Usually a plurality of current vortex sensors can be set in the sliding bearing; Be used for the vibration situation and the running speed of monitoring bearing, when if vibration surpasses allowed band, high pressure oil pump starts during operation; High pressure oil jack-up rotor; After the equipment of treating stopped, whether the inspection bearing shell was unusual, whether equipment has problems, and the current vortex sensor that is used for monitoring running speed can be exported the rotor speed that produces the maximum vibration value.
Behind the device start, the Pt100 platinum thermoresistance is in running order.Pt100 platinum thermoresistance monitoring bearing shell surface temperature change, the temperature signal that platinum thermoresistance detects is too high, and oil-feed device flow shows too small; When fuel-displaced device oil outlet temperature is too high, increase the oil-feed flow, reduce inlet oil temperature; When if detected temperatures is still too high, high pressure oil pump starts, high pressure oil jack-up rotor; After the equipment of treating stopped, low pressure oil supply stopped, and whether the inspection bearing shell is unusual, whether equipment has problems.
This patent has mainly been realized the intellectuality control of sliding bearing, and each instrument and apparatus is organically combined, and makes the operation of sliding bearing safer, more reliable.
More than show and described basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (10)
1. the sliding bearing with intelligence monitoring and controlling device comprises the bearing shell of bearing support, bearing support inside and the bearing (ball) cover that bearing support is fixed at the bearing shell two ends; It is characterized in that, be fixed with oil-feed device, fuel-displaced device, high pressure oil pump device, terminal box and monitoring device on the said bearing support.
2. a kind of sliding bearing according to claim 1 with intelligence monitoring and controlling device; It is characterized in that; Said oil-feed device comprises inflow pipeline; Said inflow pipeline is provided with a pressure gauge, a flowmeter and a high pressure oil-feed interface, and the outlet of said inflow pipeline is fixed together through the flange and the bearing support of its end, and said high pressure oil-feed interface connects the filler opening of high pressure oil pump device.
3. a kind of sliding bearing with intelligence monitoring and controlling device according to claim 2 is characterized in that, also is provided with throttle valve or restricting orifice on the said inflow pipeline.
4. a kind of sliding bearing with intelligence monitoring and controlling device according to claim 2 is characterized in that said pressure gauge and flowmeter are explosion-proof type.
5. a kind of sliding bearing according to claim 1 with intelligence monitoring and controlling device; It is characterized in that; Said fuel-displaced device comprises flowline; Said flowline is provided with a temperature measuring gauge and and passes through oily mirror, and the filler opening of said flowline is fixed together through the flange and the bearing support of its end.
6. a kind of sliding bearing with intelligence monitoring and controlling device according to claim 5 is characterized in that said temperature measuring gauge is an explosion-proof type.
7. a kind of sliding bearing according to claim 1 with intelligence monitoring and controlling device; It is characterized in that; Said bearing (ball) cover adopts the two labyrinth seals of clearance type; Sealing material is nylon, teflon or polyimide, is processed with positive airway pressure hole and sensor mounting hole on the bearing (ball) cover, is provided with temperature transducer in the said sensor mounting hole.
8. a kind of sliding bearing with intelligence monitoring and controlling device according to claim 1 is characterized in that, is provided with a temperature transducer in the said bearing shell, also is provided with a high pressure jacking apparatus at the bearing shell downside.
9. a kind of sliding bearing according to claim 1 with intelligence monitoring and controlling device; It is characterized in that; Said high pressure oil pump device comprises high pressure oil pump, one-way valve, filter, relief valve, pressure switch and pressure gauge; Said high pressure oil pump connects one-way valve through oil pipe, and one-way valve also is connected through oil pipe with filter, relief valve, pressure switch and pressure gauge successively.
10. a kind of sliding bearing with intelligence monitoring and controlling device according to claim 1 is characterized in that, also is fixed with on the said bearing support to be used for detection facility at the vibration of running and the current vortex sensor of rotating speed.
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| CN201210345878XA CN102829090A (en) | 2012-09-14 | 2012-09-14 | Slide bearing with intelligent monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345878XA CN102829090A (en) | 2012-09-14 | 2012-09-14 | Slide bearing with intelligent monitoring device |
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| CN102829090A true CN102829090A (en) | 2012-12-19 |
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| CN201210345878XA Pending CN102829090A (en) | 2012-09-14 | 2012-09-14 | Slide bearing with intelligent monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906005A (en) * | 2017-10-30 | 2018-04-13 | 安徽博古特机电科技有限公司 | A kind of compressor shaft bearing temperature control system |
| CN110345165A (en) * | 2019-07-26 | 2019-10-18 | 西安交通大学 | A kind of bearing block that can be adjusted with active temperature |
| CN110425229A (en) * | 2019-07-26 | 2019-11-08 | 西安交通大学 | It is a kind of to automatically control antifreeze bearing block |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043613A (en) * | 1974-10-04 | 1977-08-23 | New-Invent S.A. | Hydrostatic bearing |
| CN201502632U (en) * | 2009-08-04 | 2010-06-09 | 申科滑动轴承股份有限公司 | Lubricating oil non-return structure of high-pressure oil jacking bearing |
| CN101900163A (en) * | 2010-07-14 | 2010-12-01 | 武汉重型机床集团有限公司 | Frequency-conversion constant-current hydrostatic bearing |
| CN102240923A (en) * | 2011-05-24 | 2011-11-16 | 江西杰克机床有限公司 | Method for adjusting oil film temperature of dynamic and static hybrid grinding head |
| CN202867584U (en) * | 2012-09-14 | 2013-04-10 | 上海申科滑动轴承有限公司 | Sliding bearing with intelligent monitoring function |
-
2012
- 2012-09-14 CN CN201210345878XA patent/CN102829090A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043613A (en) * | 1974-10-04 | 1977-08-23 | New-Invent S.A. | Hydrostatic bearing |
| CN201502632U (en) * | 2009-08-04 | 2010-06-09 | 申科滑动轴承股份有限公司 | Lubricating oil non-return structure of high-pressure oil jacking bearing |
| CN101900163A (en) * | 2010-07-14 | 2010-12-01 | 武汉重型机床集团有限公司 | Frequency-conversion constant-current hydrostatic bearing |
| CN102240923A (en) * | 2011-05-24 | 2011-11-16 | 江西杰克机床有限公司 | Method for adjusting oil film temperature of dynamic and static hybrid grinding head |
| CN202867584U (en) * | 2012-09-14 | 2013-04-10 | 上海申科滑动轴承有限公司 | Sliding bearing with intelligent monitoring function |
Non-Patent Citations (1)
| Title |
|---|
| 江桂云: "《基于液压伺服控制的动静压轴承设计理论研究》", 27 August 2010, article "动静压油膜温度场的研究与分析" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906005A (en) * | 2017-10-30 | 2018-04-13 | 安徽博古特机电科技有限公司 | A kind of compressor shaft bearing temperature control system |
| CN110345165A (en) * | 2019-07-26 | 2019-10-18 | 西安交通大学 | A kind of bearing block that can be adjusted with active temperature |
| CN110425229A (en) * | 2019-07-26 | 2019-11-08 | 西安交通大学 | It is a kind of to automatically control antifreeze bearing block |
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Application publication date: 20121219 |