CN114877232A - Dynamic pressure bearing lubrication control device - Google Patents

Dynamic pressure bearing lubrication control device Download PDF

Info

Publication number
CN114877232A
CN114877232A CN202210287513.XA CN202210287513A CN114877232A CN 114877232 A CN114877232 A CN 114877232A CN 202210287513 A CN202210287513 A CN 202210287513A CN 114877232 A CN114877232 A CN 114877232A
Authority
CN
China
Prior art keywords
oil
oil tank
box
control device
bearing lubrication
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
CN202210287513.XA
Other languages
Chinese (zh)
Inventor
周玉龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Benxi Iron And Steel Group Mining Co ltd
Original Assignee
Benxi Iron And Steel Group Mining Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Benxi Iron And Steel Group Mining Co ltd filed Critical Benxi Iron And Steel Group Mining Co ltd
Priority to CN202210287513.XA priority Critical patent/CN114877232A/en
Publication of CN114877232A publication Critical patent/CN114877232A/en
Pending legal-status Critical Current

Links

Images

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
    • F16NLUBRICATING
    • F16N7/00Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
    • 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
    • F16NLUBRICATING
    • F16N29/00Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • F16N29/04Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
    • 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
    • F16NLUBRICATING
    • F16N39/00Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/04Arrangements for conditioning of lubricants in the lubricating system by heating
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • 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
    • F16NLUBRICATING
    • F16N2210/00Applications
    • F16N2210/14Bearings
    • 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
    • F16NLUBRICATING
    • F16N2270/00Controlling
    • F16N2270/20Amount of lubricant
    • 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
    • F16NLUBRICATING
    • F16N2270/00Controlling
    • F16N2270/50Condition
    • F16N2270/56Temperature
    • 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
    • F16NLUBRICATING
    • F16N2270/00Controlling
    • F16N2270/60Pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention relates to the technical field of bearing lubrication, in particular to a dynamic pressure bearing lubrication control device. The technical scheme comprises the following steps: electric box, install bin, oil tank and installation shell, the installation shell is installed to one side of oil tank, and the fixed disk is installed to the inside bottom of installation shell, and the oil transportation subassembly is installed at the inside top of installation shell, installs the machine oil filter in the oil transportation subassembly, and defeated oil pipe is installed to the one end of machine oil filter, and the install bin is installed at the top of oil tank, and the electric box is installed at the top of install bin, and the internally mounted of electric box has the PLC control box. The PLC control box and other components are matched, so that the liquid level and oil pressure of lubricating oil in the device can be precisely detected, the temperature and pressure of the lubricating oil, the immersion degree of the bearing in the oil and the like can be precisely controlled, an alarm can be given in time and automatic adjustment can be carried out according to program setting in case of emergency, and the practicability of the device is improved.

Description

Dynamic pressure bearing lubrication control device
Technical Field
The invention relates to the technical field of bearing lubrication, in particular to a dynamic pressure bearing lubrication control device.
Background
The ball mill is an important device in mines and sorting equipment, most of the bearings used in the existing ball mill adopt dynamic pressure bearings, the characteristic that the bearing capacity of the dynamic pressure bearings is strong is utilized, the dynamic pressure bearings are important parts of the ball mill and are core parts of the ball mill, the running state of the ball mill is directly influenced, the operating rate of the ball mill is also directly influenced, once the dynamic pressure bearings are damaged or damaged, the loss is large, the ball mill needs to be stopped for processing, the stop time is long, the production is seriously influenced, meanwhile, the cost of spare parts is high, and the lubrication condition of the dynamic pressure bearings directly influences the service life of the bearings, so that the ball mill is protected to work under the good lubrication working condition, the operating rate of the ball mill is improved, the cost is saved, and the important condition of capacity is increased.
The prior dynamic pressure bearing lubrication control device has the following defects:
1. the existing dynamic pressure bearing lubrication control device cannot precisely detect parameters such as liquid level and pressure of oil when a bearing is lubricated, so that when the oil pressure is insufficient or the liquid level of the oil cannot effectively lubricate the bearing, the device cannot actively alarm and adjust components in a linkage device, and further the lubrication effect of the bearing is reduced;
2. the whole structure of current dynamic pressure bearing lubrication control device is comparatively complicated, and the cost of device when later stage maintenance inspection is higher to the application range of device is less, can't carry out the adaptability adjustment of lubricated effect to the bearing of multiple different specifications, makes the inconvenient maintenance of device when the use in later stage, and the durability of device is lower.
Disclosure of Invention
The present invention is directed to a hydrodynamic bearing lubrication control device to solve the above problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lubricated controlling means of dynamic pressure bearing, includes electric box, install bin, oil tank and installation shell, level sensor is installed to inside top one side of oil tank, the valve is installed at the inside top of oil tank, the installation shell is installed to one side of oil tank, the fixed disk is installed to the inside bottom of install bin, the oil pump is installed to top one side of fixed disk, the oil transportation subassembly is installed at the inside top of installation shell, install the machine oil filter in the oil transportation subassembly, defeated oil pipe is installed to the one end of machine oil filter, the install bin is installed at the top of oil tank, the electric box is installed at the top of install bin, the internally mounted of electric box has the PLC control box, communication module is installed to inside top one side of electric box, the controller is installed through the wire in one side of communication module.
When the dynamic pressure bearing lubrication control device in the technical scheme is used, the electronic elements inside the device are controlled through the matching of the components inside the electric box, so that the device can detect the liquid level of oil inside, the inlet and outlet pressure of the oil and the temperature of the oil and the bearing body, and the lubricating effect of the oil is adjusted adaptively according to the program setting, so that the bearing can be in the best lubricating state, and the abrasion of the device is reduced.
Preferably, the temperature sensor that extends to the installation box inside is installed to the inside bottom both sides of electric box, and the inside one side of electric box installs the relay. Temperature sensor can carry out the measuring of temperature to two sets of bearing bodies, and then can send out the police dispatch newspaper and control lubricating oil and cool down and lubricate the bearing when bearing body high temperature, and the internally mounted of relay has eighteen group sub-relays, can control closing a floodgate, tripping operation alarm and the alarm of opening and close of oil pump motor to the host computer respectively.
Preferably, the sound insulation box is arranged inside the installation box, and two groups of installation rings are arranged on two sides of the installation box. The sound insulation box can increase the sound insulation performance of the installation box, and then can reduce the noise that the device sent when moving, and the collar can provide the position of installation to the bearing to lubricate the inside of installing the bearing to the device.
Preferably, a micro-current controller is installed at one side of the oil tank, and a heat conduction ring extending to the inside of the oil tank is installed at one side of the micro-current controller. Little current controller can external power supply, and then makes it give out the heat to the conduction ring circular telegram to in heating the lubricating oil in the oil tank, can give out the heat after the conduction ring circular telegram, and then can heat lubricating oil when fluid temperature is lower, in order to guarantee the mobility of lubricating oil.
Preferably, a motor is installed at one side of the oil pump, and an oil pumping pipe extending into the oil tank is installed at the input end of the oil pump. The motor can drive the oil pump to rotate after being controlled by the relay, so that lubricating oil in the oil tank can be pumped, and the oil pumping pipe can be convenient for the oil pump to pump the lubricating oil in the oil tank.
Preferably, the output end of the engine oil filter is provided with a connecting pipe extending out of the top of the mounting shell, and one side of the connecting pipe is provided with a pressure sensor. The connecting pipe can transmit lubricating oil for fluid can get into the inside of install bin and lubricate the bearing, and pressure sensor can detect the inside fluid pressure force of connecting pipe, and then can make the device self-adaptation adjust the transmission rate to fluid.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the cooperation of a plurality of components such as the PLC control box, the liquid level and the oil pressure of lubricating oil in the device can be precisely detected, the temperature and the pressure of the lubricating oil, the immersion degree of a bearing in the oil and the like can be precisely controlled, and in case of emergency, the device can give an alarm in time and automatically adjust according to program setting, so that the practicability of the device is increased.
2. The ball mill has the advantages of simple and reliable integral structure, wide protection range, high detection precision, reliable operation in later use, convenient maintenance and low later maintenance cost, can stably and effectively operate for a long time to ensure the lubricating effect of the bearing, prolongs the service life of equipment, reduces the failure rate of the device, improves the operation rate of the ball mill and reduces the cost.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a front external view of the present invention;
fig. 4 is a partial structural schematic diagram of the oil transportation assembly of the present invention.
In the figure: 1. an electric box; 101. a temperature sensor; 102. a communication module; 103. a control machine; 104. a PLC control box; 105. a relay; 2. installing a box; 201. a sound insulation box; 202. a mounting ring; 3. an oil tank; 301. a micro-current controller; 302. a heat conducting ring; 303. a valve; 304. a liquid level sensor; 4. mounting a shell; 401. an oil pumping pipe; 402. an oil pump; 403. fixing the disc; 404. an electric motor; 5. an oil delivery assembly; 501. an engine oil filter; 502. an oil delivery pipe; 503. a pressure sensor; 504. and (4) connecting the pipes.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-4, the dynamic pressure bearing lubrication control device provided by the present invention comprises an electrical box 1, a mounting box 2, oil tank 3 and installation shell 4, level sensor 304 is installed to inside top one side of oil tank 3, valve 303 is installed at the inside top of oil tank 3, installation shell 4 is installed to one side of oil tank 3, fixed disk 403 is installed to the inside bottom of installation shell 4, oil pump 402 is installed to top one side of fixed disk 403, oil transportation subassembly 5 is installed at the inside top of installation shell 4, install oil filter 501 in the oil transportation subassembly 5, defeated oil pipe 502 is installed to oil filter 501's one end, install box 2 at the top of oil tank 3, electric box 1 is installed at the top of install box 2, the internally mounted of electric box 1 has PLC control box 104, communication module 102 is installed to inside top one side of electric box 1, control machine 103 is installed through the wire in one side of communication module 102.
The working principle of the dynamic pressure bearing lubrication control device based on the first embodiment is as follows: the PLC control box 104 transmits signals to the relay 105, the relay 105 respectively controls the motor 404 and each group of sensors, the motor 404 is used for driving the oil pump 402 to work to pump lubricating oil in the oil tank 3 into the engine oil filter 501 for filtering and then inputting the lubricating oil into the mounting box 2 for lubricating the bearing, the temperature of the bearing body and the lubricating oil is detected through the temperature sensor 101, the micro-current controller 301 is used for electrifying the heat conduction ring 302, the oil is heated by the heat conduction ring 302 at low temperature to keep fluidity, the liquid level of the oil is detected through the liquid level sensor 304, and the oil is kept in the optimal flowing state to lubricate the bearing.
Example two
As shown in fig. 1 to 4, compared with the first embodiment, the present invention provides a dynamic bearing lubrication control device, further including: the inside bottom both sides of electric box 1 are installed and are extended to the inside temperature sensor 101 of installing bin 2, and relay 105 is installed to inside one side of electric box 1, the internally mounted of installing bin 2 has sound-proof box 201, and two sets of collars 202 are installed to the both sides of installing bin 2, little current controller 301 is installed to one side of oil tank 3, and the heat conduction ring 302 that extends to the inside of oil tank 3 is installed to one side of little current controller 301, motor 404 is installed to one side of oil pump 402, and the input of oil pump 402 is installed and is extended to the inside oil pipe 401 of oil tank 3, the connecting pipe 504 that extends the installing shell 4 top is installed to the output of machine oil filter 501, and pressure sensor 503 is installed to one side of connecting pipe 504.
In this embodiment, the temperature sensor 101 can detect the temperature of two sets of bearing bodies, and further can send out alarm and control the lubricating oil to cool and lubricate the bearing when the temperature of the bearing body is too high, eighteen sets of relay modules are installed inside the relay 105, and can respectively control the closing and tripping alarm of the host and the opening and closing alarm of the motor 404 driving the oil pump 402, the sound insulation box 201 can increase the sound insulation performance of the installation box 2, and further can reduce the noise generated when the device is operated, the installation ring 202 can provide the installation position for the bearing, so as to lubricate the installation of the bearing into the device, the micro-current controller 301 can be externally connected with a power supply, and further electrify the heat conduction ring 302 to generate heat, so as to heat the lubricating oil in the oil tank 3, and the heat can be generated after the heat conduction ring 302 is electrified, so as to heat the lubricating oil when the temperature of the oil is lower, in order to guarantee the mobility of lubricating oil, motor 404 can drive oil pump 402 after through relay 105 control and rotate, and then can aspirate the lubricating oil in the oil tank 3, oil pumping pipe 401 can be convenient for oil pump 402 aspirates the lubricating oil in the oil tank 3, connecting pipe 504 can transmit lubricating oil, make fluid can get into the inside of install bin 2 and lubricate the bearing, pressure sensor 503 can detect the inside fluid pressure force of connecting pipe 504, and then can make the transmission rate to fluid of device self-adaptation adjust.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims (6)

1. The utility model provides a lubricated controlling means of dynamic pressure bearing, includes electric box (1), install bin (2), oil tank (3) and installation shell (4), its characterized in that: level sensor (304) is installed to inside top one side of oil tank (3), valve (303) are installed at the inside top of oil tank (3), install shell (4) are installed to one side of oil tank (3), fixed disk (403) are installed to the inside bottom of installation shell (4), oil pump (402) are installed to top one side of fixed disk (403), oil transportation subassembly (5) are installed at the inside top of installation shell (4), install oil filter (501) in oil transportation subassembly (5), defeated oil pipe (502) are installed to the one end of oil filter (501), install box (2) at the top of oil tank (3), electric box (1) is installed at the top of install box (2), the internally mounted of electric box (1) has PLC control box (104), communication module (102) are installed to inside top one side of electric box (1), and a control machine (103) is arranged on one side of the communication module (102) through a wire.
2. A hydrodynamic bearing lubrication control device as claimed in claim 1, wherein: the temperature sensor (101) that extend to install bin (2) inside are installed to the inside bottom both sides of electrical cabinet (1), and relay (105) are installed to inside one side of electrical cabinet (1).
3. A hydrodynamic bearing lubrication control device as claimed in claim 1, wherein: the inside mounting of install bin (2) has sound-proof box (201), and two sets of collar (202) are installed to the both sides of install bin (2).
4. A hydrodynamic bearing lubrication control device as claimed in claim 1, wherein: little current controller (301) is installed to one side of oil tank (3), and the heat conduction ring (302) that extend to oil tank (3) inside is installed to one side of little current controller (301).
5. A hydrodynamic bearing lubrication control device as claimed in claim 1, wherein: a motor (404) is installed on one side of the oil pump (402), and an oil pumping pipe (401) extending to the inside of the oil tank (3) is installed at the input end of the oil pump (402).
6. A hydrodynamic bearing lubrication control device as claimed in claim 1, wherein: the output end of the engine oil filter (501) is provided with a connecting pipe (504) extending out of the top of the mounting shell (4), and one side of the connecting pipe (504) is provided with a pressure sensor (503).
CN202210287513.XA 2022-03-22 2022-03-22 Dynamic pressure bearing lubrication control device Pending CN114877232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210287513.XA CN114877232A (en) 2022-03-22 2022-03-22 Dynamic pressure bearing lubrication control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210287513.XA CN114877232A (en) 2022-03-22 2022-03-22 Dynamic pressure bearing lubrication control device

Publications (1)

Publication Number Publication Date
CN114877232A true CN114877232A (en) 2022-08-09

Family

ID=82667568

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210287513.XA Pending CN114877232A (en) 2022-03-22 2022-03-22 Dynamic pressure bearing lubrication control device

Country Status (1)

Country Link
CN (1) CN114877232A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201795258U (en) * 2010-09-16 2011-04-13 鞍钢股份有限公司 Automatic lubricating device for motor bearing
CN103671578A (en) * 2012-09-26 2014-03-26 上海阔步机械模具有限公司 Lubricating device for dynamic pressure bearing
CN208982985U (en) * 2018-11-09 2019-06-14 烟台华顺机械工程设备有限公司 A kind of oil-air lubrication main website
CN211526043U (en) * 2019-12-31 2020-09-18 武汉昂赛测控设备有限公司 Thin oil station with low working noise
CN112728381A (en) * 2020-12-31 2021-04-30 重庆安特瑞润滑设备有限公司 Circulating lubrication system of main bearing of wind driven generator
DE112021000001T5 (en) * 2020-04-03 2021-12-23 Jiangsu Jianghai Lubrication & Hydraulic Equipment Co., Ltd. Lube oil system with a frequency conversion control of the AC oil pump
CN114046431A (en) * 2021-11-04 2022-02-15 南京中船绿洲机器有限公司 External oil lubrication mechanism for separator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201795258U (en) * 2010-09-16 2011-04-13 鞍钢股份有限公司 Automatic lubricating device for motor bearing
CN103671578A (en) * 2012-09-26 2014-03-26 上海阔步机械模具有限公司 Lubricating device for dynamic pressure bearing
CN208982985U (en) * 2018-11-09 2019-06-14 烟台华顺机械工程设备有限公司 A kind of oil-air lubrication main website
CN211526043U (en) * 2019-12-31 2020-09-18 武汉昂赛测控设备有限公司 Thin oil station with low working noise
DE112021000001T5 (en) * 2020-04-03 2021-12-23 Jiangsu Jianghai Lubrication & Hydraulic Equipment Co., Ltd. Lube oil system with a frequency conversion control of the AC oil pump
CN112728381A (en) * 2020-12-31 2021-04-30 重庆安特瑞润滑设备有限公司 Circulating lubrication system of main bearing of wind driven generator
CN114046431A (en) * 2021-11-04 2022-02-15 南京中船绿洲机器有限公司 External oil lubrication mechanism for separator

Similar Documents

Publication Publication Date Title
CN106321146A (en) Automatic drainage system for mine
CN104565327B (en) Lubrication and cooling system for gear case
CN204627754U (en) Aero-Engine Lubrication System
CN111779675B (en) Intelligent mechanical vacuum pump system for steelmaking based on Internet of things and application
CN104180142B (en) Lubricating oil supply device, centrifugal compressor and lubricating oil supply method
CN102943753B (en) A kind of electronic intelligence controller controls the method for air compressor
CN114877232A (en) Dynamic pressure bearing lubrication control device
CN207513844U (en) High-power high lift mono-hull sectional type horizontal multi-stage centrifugal pump
CN108591273A (en) A kind of wheel or the automatic oil lubrication device of pulley bearings
CN202560220U (en) Water-cooling system monitoring device and heading machine provided with the same
CN108278248A (en) Hydraulic petroleum lifting device intelligence control system
CN111287701A (en) Complete driving and controlling device for oil-submersible screw pump
CN113670622B (en) Cooling water return system and method for bench test of marine diesel engine
CN104314799A (en) Oil pump detecting device
CN212298484U (en) Online monitoring, early warning and processing system for gear box lubricating oil of wind generating set
CN114576539A (en) Thin oil station integrated control system
CN208907437U (en) A kind of wheel or the automatic oil lubrication device of pulley bearings
CN201620342U (en) Pressure circular lubricating system for steel wheel of vibrating roller
CN112196989A (en) Automatic gearbox lubricating and cooling device and control method
CN107701353A (en) The adaptive thrust bearing external circulation cooling system of pump-storage generator
CN103454094A (en) Tractor chassis self-weight load type running-in purification test stand and running-in purification process thereof
CN103032667A (en) Automatic monitoring and lubricating device for differential motor
CN108533726B (en) Gear box rapid following lubricating and cooling system and lubricating and cooling control method
CN207880453U (en) A kind of information collection of dispatch station and intelligence control system
CN210686348U (en) Intelligent dry-type axle mixed flow pump

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination