CN110345165A - A kind of bearing block that can be adjusted with active temperature - Google Patents

A kind of bearing block that can be adjusted with active temperature Download PDF

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Publication number
CN110345165A
CN110345165A CN201910682000.7A CN201910682000A CN110345165A CN 110345165 A CN110345165 A CN 110345165A CN 201910682000 A CN201910682000 A CN 201910682000A CN 110345165 A CN110345165 A CN 110345165A
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CN
China
Prior art keywords
temperature
bearing
heat
module
exchanger rig
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910682000.7A
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Chinese (zh)
Inventor
侯予
王昱
赖天伟
陈良
陈双涛
张泽
张兴群
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Xian Jiaotong University
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Xian Jiaotong University
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Priority to CN201910682000.7A priority Critical patent/CN110345165A/en
Publication of CN110345165A publication Critical patent/CN110345165A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/02Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C37/00Cooling of bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C37/00Cooling of bearings
    • F16C37/002Cooling of bearings of fluid bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00Engines or pumps
    • F16C2360/23Gas turbine engines

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

The present invention relates to mechanical equipment technical fields, and in particular to a kind of bearing block that can be adjusted with active temperature, including bearing base and automatic heat exchanger, automatic heat exchanger include temperature sensor, heat-exchanger rig and control system;Control system includes temperature-measuring module, control module and temperature control module;Heat-exchanger rig is arranged in bearing base;Temperature control module includes heating module and refrigeration module;Temperature sensor is used to measure temperature in bearing base, and temperature information is reached to the temperature-measuring module in control system by data collector;Control module starts the heating module or refrigeration module of temperature control module according to the temperature information of temperature-measuring module, and the input of heat or cooling capacity is carried out by heat-exchanger rig.The present invention can detect and carry out automatically the matching of bearing actual condition Yu its design conditions before turbomachinery is switched on, and monitor and control bearing operating temperatures automatically in bearing normal operation, guarantee that bearing is normal, smoothly forms bearing and operation.

Description

A kind of bearing block that can be adjusted with active temperature
Technical field
The present invention relates to mechanical equipment technical fields, and in particular to a kind of bearing block that can be adjusted with active temperature.
Background technique
With the development of the fields such as aerospace, energy source and power technology, for the mechanical spatter property that keeps running at high speed, surely Qualitative and reliability also proposed increasingly higher demands to lubrication technology.Using for turbomachinery oil medium makes system Spatter property is unable to get guarantee, therefore needs the oilless bearing of other forms just to be lubricated.Structure is complicated due to magnetic bearing, It involves great expense, popularization is restricted, therefore gas bearing becomes preferable selection.
Gas bearing improves the gas pressure in its gap using Working medium gas viscosity, to make rotor float, by it Working principle can be divided into hydrostatic gas-lubricated bearing and two kinds of hydrodynamic gas-lubricated bearing.In hydrostatic gas-lubricated bearing, gas by air vent into Air inlet chamber, then score road flows through the gap that flow controller enters bearing and axle journal, then flows out bearing from both ends, is formed in gap The static pressure air film of bearing load, since outside supplies, the load-carrying properties of hydrostatic bearing are relatively high, but need a set of gas supply System, device is complex, while needing to expend a certain amount of pressed gas, thereby increases and it is possible to pneumatic hammer vibration occur, make its economy It is reduced with availability.For some specific occasions, such as gas turbine, aeroturbine refrigerator, space micro turbine refrigerator Deng can then be supported using hydrodynamic gas-lubricated bearing.Hydrodynamic gas-lubricated bearing is the fluid generated using gas in wedge shape space Dynamic pressure carrys out bearing load, can be divided into rigid surface hydrodynamic gas-lubricated bearing and flexible surface hydrodynamic gas-lubricated bearing.
Under extreme operating environments, bearing actual condition and its design conditions deviate farther out, lead to parts of bearings parameter, table Face coating performance changes, so that bearing starting is worse off, turbomachinery is caused not start normally.When bearing is run When, and bearing environment and component temperature rise may be led to since friction generates heat, influence the normal smooth working of bearing.
Summary of the invention
To solve the problems, such as that above-mentioned background technique, the present invention propose a kind of bearing that can be adjusted with active temperature Seat can detect and carry out automatically the matching of bearing actual condition Yu its design conditions before turbomachinery is switched on, in bearing Automatically bearing operating temperatures are monitored and controlled in normal operation, guarantee that bearing is normal, smoothly forms bearing and operation.
Technical proposal that the invention solves the above-mentioned problems is: a kind of bearing block that can be adjusted with active temperature, it is special it Be in:
Including bearing base and automatic heat exchanger, the automatic heat exchanger include temperature sensor, heat-exchanger rig and Control system;The control system includes temperature-measuring module, control module and temperature control module;The heat-exchanger rig is arranged in axis It holds in pedestal;The temperature control module includes heating module and refrigeration module;
The temperature sensor is used to measure the temperature in bearing base, and is reached temperature information by data collector Temperature-measuring module in control system;The control module starts temperature control module according to the temperature information of temperature-measuring module Heating module or refrigeration module, pass through the input that heat-exchanger rig carries out heat or cooling capacity.
Further, above-mentioned temperature sensor is circumferentially arranged in bearing base.
Further, above-mentioned heat-exchanger rig is circumferentially arranged in bearing base.
Further, the connection of above-mentioned temperature sensor and data collector include but is not limited to pass through data acquisition line, The modes such as wireless data transmitter.
Further, above-mentioned heat-exchanger rig can be the shapes such as circumferential coiled type, radial line round, dotted;The heat exchange Device buries cloth quantity, mode and the parameters such as can be required to be adjusted according to bearing working environment and service condition, the rate of heat addition.
Further, above-mentioned heat-exchanger rig includes but is not limited to thermometal, semiconductor heat exchanger fin etc..
Present invention could apply in multiple gases bearing, type includes but is not limited to gas-static radial direction, thrust shaft It holds, flexible or rigid surface gas dynamical pressure radial, thrust bearing and gas dynamic and static pressure radial direction, thrust bearing etc..
Advantages of the present invention:
The present invention is a kind of bearing block that can be adjusted with active temperature, compares traditional bearing, the present invention can be opened in system Bearing state is detected by sensor before machine, when bearing working gap temperature and design conditions mismatch, heat-exchanger rig is rapid Cooling capacity or heat are inputted, guarantees the matching of bearing actual condition and its design conditions;Sensor detection bearing operating condition reaches design When operating condition, heat-exchanger rig stops the input of cooling capacity or heat;When bearing is in operating status, control system can pass through sensing The working clearance temperature of device real-time monitoring bearing, and by being compared with design conditions, each moment bearing is determined in real time Heat;Sensor is circumferentially arranged the precise positioning that can guarantee to bearing working gap temperature;The circumferential direction of heat-exchanger rig Arrangement mode can guarantee higher heat exchange efficiency;Further, heat-exchanger rig can choose the heat exchange dress of different form, material It sets, while guaranteeing more high thermal efficiency, it is ensured that more accurately input power makes bearing arrangement have good cooling characteristics.
Detailed description of the invention
Fig. 1 is that Fig. 1 is one of overall structure diagram of the invention (hydrodynamic configuration figure);
Fig. 2 is tissue assembling schematic diagram of the invention;
Fig. 3 is two (hydrostatic figures) of overall structure diagram of the invention;
Fig. 4 is paillon group schematic diagram one;
Fig. 5 is paillon group schematic diagram two;
Fig. 6 is automatic heat exchanger schematic diagram;
Fig. 7 is that the typical case of heat-exchanger rig buries one of mode for cloth (hiding bearing block);
Fig. 8 is that the typical case of heat-exchanger rig buries two (hiding bearing blocks) of mode for cloth.
Wherein, 1, bearing base;2, temperature sensor;3, heat-exchanger rig;5, bottom heating foil;6, wave foil;7, top layer is flat Foil.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this Invent the range of protection.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 6, a kind of bearing block that can be adjusted with active temperature, including bearing base 1 and automatic Heat-exchanger rig, the automatic heat exchanger include temperature sensor 2, heat-exchanger rig 3 and control system;The control system includes Temperature-measuring module, control module and temperature control module;The heat-exchanger rig 3 is arranged in bearing base 1, the temperature control module packet Include heating module and refrigeration module.The temperature sensor 2 is used to measure the temperature of bearing base 1, and passes through data collector Temperature information is reached to the temperature-measuring module in control system;The control module is according to the temperature information of temperature-measuring module Start the heating module or refrigeration module of temperature control module, passes through the input that heat-exchanger rig carries out heat or cooling capacity.
Preferably, the temperature sensor 2 is circumferential is embedded in bearing base 1, and top is concordant with 1 inner edge of bearing base, separately One end is connected with data collector.Heat-exchanger rig 3 is circumferential to be arranged in bearing base 1.
Preferably, the connection type of the temperature sensor 2 and data collector is by data acquisition line or without line number It is connected according to transmitter.
Preferably, the heat-exchanger rig 3 is circumferential coiled type, radial line round or the structures such as dotted, buries cloth quantity, side Formula can be adjusted according to the parameters such as bearing working environment and service condition, heat exchange rate requirement, and Fig. 7 and Fig. 8 illustrate two kinds Typical heat-exchanger rig 3 buries mode for cloth;The heat-exchanger rig 3 is thermometal or semiconductor heat exchanger fin.
As shown in Figure 4 and Figure 5, flexible surface kinetic pressure gas bearing structure can be determined according to the size of heat demand, Its typical arrangement form is including but not limited to successively arranged three layers of bottom heating foil 5, wave foil 6 and the flat foil 7 of top layer from outside to inside Structure, alternatively, being successively arranged the double-layer structure of the flat foil 7 of wave foil 6, top layer from outside to inside.
Under extreme operating environments, bearing actual condition and its design conditions deviate farther out, cause bearing can not normal shape It is supported at lubrication, turbomachinery is caused not start normally.When bearing operation, and may cause since friction generates heat Bearing environment and component temperature rise influence the normal smooth working of bearing.A kind of bearing block that can be temperature automatically controlled that invention proposes, Bearing state can be detected by temperature sensor 2 before system boot, when bearing environment temperature and design conditions mismatch Heat-exchanger rig 3 inputs rapidly cooling capacity or heat, guarantees the matching of bearing actual condition and its design conditions.Temperature sensor 2 is examined Survey the input that heat-exchanger rig 3 when bearing operating condition reaches design conditions stops cooling capacity or heat;When bearing is in operating status, control System processed can be by the operating temperature of 2 real-time monitoring bearing of temperature sensor, and by comparing with design conditions, in real time It determines the heat of each time bearing, guarantees that turbomachinery bearing is normal, is smoothly switched on and runs.
Temperature sensor 2 is circumferentially arranged the precise positioning that can guarantee to bearing environment temperature;The circumferential direction of heat-exchanger rig 3 Arrangement mode can guarantee higher heat exchange efficiency, can choose the heating device of different form, material, guarantee higher thermal effect While rate, it is ensured that more accurately input power makes bearing arrangement have good cooling characteristics.
Present invention could apply in multiple gases bearing, type includes but is not limited to gas-static radial direction, thrust shaft It holds, flexible or rigid surface gas dynamical pressure radial, thrust bearing and gas dynamic and static pressure radial direction, thrust bearing etc..
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, those skilled in the art Member it technical solution documented by foregoing embodiments can still be adjusted, or carry out to part of technical characteristic Equivalent replacement.So if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (6)

1. the bearing block that one kind can be adjusted with active temperature, it is characterised in that:
Including bearing base (1) and automatic heat exchanger, the automatic heat exchanger includes temperature sensor (2), heat-exchanger rig (3) and control system;The control system includes temperature-measuring module, control module and temperature control module;The heat-exchanger rig (3) Setting is in bearing base (1);The temperature control module includes heating module and refrigeration module;
The temperature sensor (2) is used to measure the temperature of bearing base (1), and is reached temperature information by data collector Temperature-measuring module in control system;The control module starts temperature control module according to the temperature information of temperature-measuring module Heating module or refrigeration module, pass through the input that heat-exchanger rig (3) carry out heat or cooling capacity.
2. the bearing block that one kind according to claim 1 can be adjusted with active temperature, it is characterised in that: the temperature sensing Circumferentially setting is interior in bearing base (1) for device (2).
3. the bearing block that one kind according to claim 2 can be adjusted with active temperature, it is characterised in that: the heat-exchanger rig (3) circumferential setting is in bearing base (1).
4. the bearing block that one kind according to claim 1 to 3 can be adjusted with active temperature, it is characterised in that: the temperature Degree sensor (2) is to be connect by data acquisition line or wireless data transmitter with the connection type of data collector.
5. the bearing block that one kind according to claim 4 can be adjusted with active temperature, it is characterised in that: the heat-exchanger rig It (3) is circumferential coiled type, radial line round or dotted.
6. the bearing block that one kind according to claim 5 can be adjusted with active temperature, it is characterised in that: the heat-exchanger rig It (3) is thermometal or semiconductor heat exchanger fin.
CN201910682000.7A 2019-07-26 2019-07-26 A kind of bearing block that can be adjusted with active temperature Pending CN110345165A (en)

Priority Applications (1)

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CN201910682000.7A CN110345165A (en) 2019-07-26 2019-07-26 A kind of bearing block that can be adjusted with active temperature

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Application Number Priority Date Filing Date Title
CN201910682000.7A CN110345165A (en) 2019-07-26 2019-07-26 A kind of bearing block that can be adjusted with active temperature

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111120505A (en) * 2019-12-27 2020-05-08 西安交通大学 Thermal deformation resistant high-bearing-thrust sliding bearing with heating device
CN116667595A (en) * 2023-08-01 2023-08-29 浙江晶鸿精密机械制造有限公司 Motorized spindle and automatic regulating system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4721399A (en) * 1984-05-18 1988-01-26 Braunschweiger Huttenwerk Gmbh Plain bearing provided with a device for locally determining the temperature of its sliding
CN102829090A (en) * 2012-09-14 2012-12-19 上海申科滑动轴承有限公司 Slide bearing with intelligent monitoring device
CN203176183U (en) * 2013-01-25 2013-09-04 周锦亮 Novel sliding bearing
FR3039867A1 (en) * 2015-08-04 2017-02-10 Skf Ab BEARING BOX COMPRISING A BEARING AND HEATING MEANS OF THE BEARING, AND BOGIE COMPRISING SUCH A BOX
US20180073562A1 (en) * 2015-03-31 2018-03-15 Mitsubishi Heavy Industries Compressor Corporation Bearing device and rotary machine
CN108317172A (en) * 2018-04-13 2018-07-24 广州航海学院 A kind of bearing arrangement and control method based on sinking support
CN208116399U (en) * 2018-03-02 2018-11-20 响水县金固轴承座制造有限公司 A kind of roll for hot-rolling bearing block that heat resistance is good
CN208686832U (en) * 2018-08-08 2019-04-02 山东华机重工股份有限公司 Bearing temperature detection and regulation control system
CN109707752A (en) * 2018-12-17 2019-05-03 中北大学 The self-lubricate cooling of heavy-duty machinery bearing shell and cleaning system
CN209130065U (en) * 2018-12-01 2019-07-19 诸暨市德富电气设备制造有限公司 A kind of novel horizontal water cooling watt bush(ing) bearing
CN210799758U (en) * 2019-07-26 2020-06-19 西安交通大学 Bearing seat capable of actively adjusting temperature

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4721399A (en) * 1984-05-18 1988-01-26 Braunschweiger Huttenwerk Gmbh Plain bearing provided with a device for locally determining the temperature of its sliding
CN102829090A (en) * 2012-09-14 2012-12-19 上海申科滑动轴承有限公司 Slide bearing with intelligent monitoring device
CN203176183U (en) * 2013-01-25 2013-09-04 周锦亮 Novel sliding bearing
US20180073562A1 (en) * 2015-03-31 2018-03-15 Mitsubishi Heavy Industries Compressor Corporation Bearing device and rotary machine
FR3039867A1 (en) * 2015-08-04 2017-02-10 Skf Ab BEARING BOX COMPRISING A BEARING AND HEATING MEANS OF THE BEARING, AND BOGIE COMPRISING SUCH A BOX
CN208116399U (en) * 2018-03-02 2018-11-20 响水县金固轴承座制造有限公司 A kind of roll for hot-rolling bearing block that heat resistance is good
CN108317172A (en) * 2018-04-13 2018-07-24 广州航海学院 A kind of bearing arrangement and control method based on sinking support
CN208686832U (en) * 2018-08-08 2019-04-02 山东华机重工股份有限公司 Bearing temperature detection and regulation control system
CN209130065U (en) * 2018-12-01 2019-07-19 诸暨市德富电气设备制造有限公司 A kind of novel horizontal water cooling watt bush(ing) bearing
CN109707752A (en) * 2018-12-17 2019-05-03 中北大学 The self-lubricate cooling of heavy-duty machinery bearing shell and cleaning system
CN210799758U (en) * 2019-07-26 2020-06-19 西安交通大学 Bearing seat capable of actively adjusting temperature

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111120505A (en) * 2019-12-27 2020-05-08 西安交通大学 Thermal deformation resistant high-bearing-thrust sliding bearing with heating device
CN111120505B (en) * 2019-12-27 2021-03-23 西安交通大学 Thermal deformation resistant high-bearing-thrust sliding bearing with heating device
CN116667595A (en) * 2023-08-01 2023-08-29 浙江晶鸿精密机械制造有限公司 Motorized spindle and automatic regulating system
CN116667595B (en) * 2023-08-01 2023-11-21 浙江晶鸿精密机械制造有限公司 Motorized spindle and automatic regulating system

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