CN106439460A - Anti-attrition lubricating system for locomotive wheel track - Google Patents

Anti-attrition lubricating system for locomotive wheel track Download PDF

Info

Publication number
CN106439460A
CN106439460A CN201610865747.2A CN201610865747A CN106439460A CN 106439460 A CN106439460 A CN 106439460A CN 201610865747 A CN201610865747 A CN 201610865747A CN 106439460 A CN106439460 A CN 106439460A
Authority
CN
China
Prior art keywords
pipeline
lubricating
control valve
controller
oil
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
CN201610865747.2A
Other languages
Chinese (zh)
Inventor
王东升
王亚
王瑞平
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.)
Beijing CMRC Science and Technology Development Co Ltd
Original Assignee
Beijing CMRC Science and Technology Development 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 Beijing CMRC Science and Technology Development Co Ltd filed Critical Beijing CMRC Science and Technology Development Co Ltd
Publication of CN106439460A publication Critical patent/CN106439460A/en
Pending legal-status Critical Current

Links

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
    • 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
    • F16N7/30Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the oil being fed or carried along by another fluid
    • F16N7/32Mist lubrication
    • F16N7/34Atomising devices for oil

Abstract

The invention relates to the field of lubrication of locomotives, and discloses an anti-attrition lubricating system for a locomotive wheel track. The system comprises a controller, and a lubricating pump and a control valve which are connected with the controller, and an energy accumulator and an oil spraying valve which are connected with the lubricating pump through a first pipeline, wherein the oil spraying valve is connected with the control valve through a second pipeline; the controller is used for sending a signal to the control valve to open or close the second pipeline through the control valve, and receiving a signal from a sensor of the oil spraying valve to monitor a working condition of the system; the oil spraying valve is used for spraying lubricating oil in the first pipeline to a lubricating part of the locomotive wheel track when the second pipeline is opened; the lubricating pump is used for conveying pressure lubricating oil into the first pipeline; and the energy accumulator is used for accumulating pressure energy in the first pipeline. Due to the technical scheme, the energy accumulator is arranged on the pipeline where the pressure lubricating oil exists, so that the pressure of the system can be accumulated, and the system can operate continuously.

Description

Wheel drive track anti-attrition lubricating system
Technical field
A kind of the present invention relates to railway locomotive lubricating area, in particular it relates to wheel drive track anti-attrition lubricating system.
Background technology
In order to solve the attrition of wheel track during locomotive operation and reduce the risk of wheel derailment, U.S. Tranergy Company has developed a kind of new wheel track profit of vehicular with bay oil product international organizations, Texaco's research and development center complex Sliding system SENTRAEN 2000.The Western European countries then still continue to use the thin oil lubricant mode containing extreme-pressure anti-friction additive, by Longer in fueling injection equipment pipeline, often there are pumping difficulties in winter, and summer causes the drawbacks such as locomotive pollution.The country using more is By Ministry of Railways's scientific research HB type series Wheel track lubricating device that chemistry institute is developed in one's power, this lubricating arrangement utilizes locomotive wind Pressure graphite spraying grease, oils and fatss become spray pattern after spraying, are attached to wheel rim surface and play lubrication.Wind speed after train speed raising Increase, working condition changes, and the new problem such as locomotive body and tread pollution, mechanical breakdown occurs, also have impact on lubricant effect.
No matter however, being external lubricating arrangement system or country's HB lubricating arrangement, although can be to wheel track anti-attrition There is certain effect, but they have two vital short slabs.One is the time delay for curve section lubrication, and curve is passed When sensor detects locomotive entrance bend, between wheel track, most violent abrasion has begun to;Two is the office for lubricating oil product viscosity Limit, it is impossible to which applicable lubricant effect is more preferable, the more preferable high viscosity oils and fatss of adhesiveness.
For above-mentioned technical problem, good solution in prior art, is there is no.
Content of the invention
It is an object of the invention to provide a kind of lubricating system, the system can carry out effectively lubricating to wheel drive track.
To achieve these goals, the present invention provides a kind of wheel drive track anti-attrition lubricating system, and the system includes:Control Device, and the lubricating pump that is connected with the controller and control valve;And the accumulation of energy being connected with the lubricating pump by the first pipeline Device and injection valve, the injection valve is connected with the control valve by the second pipeline;Wherein, the controller, for signaling To the control valve with by the second pipeline described in the control valve on and off, and receive injection valve sensor signal with Monitoring system working condition;The injection valve, for when second pipeline is turned on by the lubricating oil in first pipeline It is sprayed onto the lubricant housings of wheel drive track;The lubricating pump, for sending pressure lubrication oil into first pipeline;And the storage Energy device, for accumulating the pressure energy in first pipeline.
Further, the system also includes:Velocity sensor, and the controller is according to obtaining from the sensor Rate signal sends signals to the control valve.
Further, the controller is used for sending signals to the control valve with predetermined time interval.
Further, the controller is used in predetermined time interval described in the locomotive operation and in first pipeline Pressure exceed scheduled pressure value when send signals to the lubricating pump.
Further, the lubricating pump is driven high voltage lubricating pump.
Further, the electric high pressure pump has oil storage barrel, arranges and stir oil machine structure in the oil storage barrel.
Further, the accumulator is pipeline type accumulator.
Further, the injection valve has quantitative chamber, for carrying out quantitation to distributive value.
Further, the control valve is pneumatic control valve, and second pipeline is gas circuit.
Further, the lubricant housings is wheel rim.
By technique scheme, the pipeline being located in pressure lubrication oil arranges accumulator, can put aside system pressure, make System continuously can be run.Other features and advantages of the present invention will give specifically in subsequent specific embodiment part Bright.
Description of the drawings
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with following tool Body embodiment is used for explaining the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the wheel drive track anti-attrition lubrication system architecture block diagram that embodiment of the present invention is provided;
Fig. 2 is the wheel drive track anti-attrition lubricating system composition structural representation that embodiment of the present invention is provided;
Fig. 3 is the wheel drive track anti-attrition lubricating system circuit structure block diagram that embodiment of the present invention is provided.
Specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that this place is retouched The specific embodiment that states is merely to illustrate and explains the present invention, is not limited to the present invention.
Fig. 1 is the wheel drive track anti-attrition lubrication system architecture block diagram that embodiment of the present invention is provided.As shown in figure 1, this Bright a kind of wheel drive track anti-attrition lubricating system is provided, the system includes:Controller 101, and the profit being connected with the controller 101 Sliding pump 102 and control valve 103;And the accumulator 104 that is connected with the lubricating pump 102 by the first pipeline and injection valve 105, the injection valve 105 is connected with the control valve 103 by the second pipeline;Wherein, the controller 101, for transmitting Number to the control valve 103 with by the second pipeline described in 103 on and off of the control valve, and receive injection valve and sense Device signal is with monitoring system working condition;The injection valve 105, for when second pipeline is turned on by first pipeline In lubricating oil be sprayed onto the lubricant housings of wheel drive track;The lubricating pump 102, for sending pressure lubrication oil into the first pipe Road;And the accumulator 104, for accumulating the pressure energy in first pipeline.
By technique scheme, the pipeline being located in pressure lubrication oil arranges accumulator, can put aside system pressure, make System continuously can be run.
In embodiments, accumulator 104 can be pipeline type accumulator.
In above-mentioned embodiment, control valve 103 can be pneumatic control valve (or electromagnetic valve), and correspondingly the second pipeline is permissible For gas circuit.
In embodiments, said system can also include:Velocity sensor, and the controller 101 is according to from institute The rate signal for stating sensor acquisition sends signals to the control valve 103, to control the switch 105 of the injection valve.Wherein, institute State the velocity sensor that velocity sensor can be that the intra-locomotive is carried.The controller 101 was additionally operable to the scheduled time Interval sends signals to the control valve 103.
In another embodiment, according to locomotive operation time and oil supply pipe pressure, fuel feeding can be controlled. Controller 101 can be in the locomotive operation predetermined time interval (for example, 100ms) and in the first pipeline pressure exceed predetermined The lubricating pump 102 is sent signals to during pressure value.Certainly, the system that embodiment of the present invention is provided can possess manual triggering work( Can, to carry out manual fuel feeding as needed.For example, it is possible to arrange manual triggering button, when the button is pressed, controller 101 Send signals to control valve 103 and the lubricating pump 102.
In order to eliminate limitation of the lubricating oil product viscosity to system further, in a preferred embodiment, lubricating pump 102 can Think driven high voltage lubricating pump.Additionally, can arrange in the oil storage barrel that has of electric high pressure pump stirring oil machine structure.
In embodiments, injection valve 105 can have quantitative chamber, for carrying out quantitation to distributive value.Further In embodiment, Hall element can be set, for detecting whether oil spout valve nozzle blocks in injection valve 105, it is possible to will Testing result is communicated to controller 101.In another embodiment, multiple biographies with specific function can be set in system Sensor, for example, the pressure transducer that is arranged in lubricating pump for detecting lubricating oil pressure, and be arranged in lubricating pump for The fuel level sensor of detection oil level.The sensor all can be communicated with controller 101, and controller 101 can be anti-according to sensor The signal of feedback, sends warning message when judging to have abnormal.For example, system can have the alarm that is connected with controller with Realize sound and light alarm.Or, system can have the display being connected with controller, with asking that more intuitively display system is present Topic.
Fig. 2 is the wheel drive track anti-attrition lubricating system composition structural representation that embodiment of the present invention is provided.Below in conjunction with Critical piece in the lubricating system that Fig. 2 is provided to the present invention is described in detail.
Embodiment provide system and device by control main system (for example, controller or switch board), driven high voltage lubrication Pump, pipeline type accumulator, injection valve, gas path control valve, detection sensor and the part such as pipeline, circuit constitute.Wherein, electronic height Pressure lubricating pump, pipeline type accumulator, injection valve, pneumatic control valve and pipeline fittingses composition mechanical system.Driven high voltage lubricating pump The pressure grease of offer is by pipeline fittingses to wheel rim of locomotive lubricant housings.Pipeline type accumulator storage pressure grease is in system pipes Road end, it is ensured that injection valve oils and fatss export timeliness.The unlatching of injection valve is controlled by pneumatic control valve, predominantly wheel rim position Injection lubricant grease, and feedback states are provided.Describe in detail for mechanical system as follows:
(1) driven high voltage lubricating pump
1. setting in electronic lubricating pump oil storage barrel and oil machine structure is stirred, can be suitable for and 220 (25 DEG C, 150g) 1/ are not less than for cone penetration The lubricating oil of the grease (NLG00#-3#) of 10mm and viscosity grade more than N68;
2. electronic lubricating pump nominal pressure 25Mpa, stable compared with Pneumatic oil pump, reliable;
3. electronic lubricating pump is integrated with pressure transducer, according to default control pressure;
4. the integrated fuel level sensor of electronic lubricating pump;
5. electronic lubricating pump can integrated system controller, compact conformation;
6. technical parameter:
Model:HR-DRB1
Nominal pressure:25Mpa
Flow:15ml/min
Volume:6L
Voltage:DC24V
Power:65W
Overall dimensions:335x282x392mm.
(2) injection valve
1. injection valve is mainly used to control the oil/grease injection of lubricant housings, is switched by Hysteresis for Pneumatic Control Valves;
2. there is quantitative chamber inside injection valve to determine the amount of lubrication oil/grease;
3. injection valve is integrated with the position sensor that can detect shower nozzle blocking;
4. technical parameter:
Model:HR-PYF1
Operating pressure:5~25Mpa
Input air pressure:0.5~0.8Mpa
Distributive value:1 ± 0.1ml (room temperature)
Action is spaced:≥1s
Overall dimensions:200x70x100mm.
(3) pipeline type accumulator
1. pipeline type accumulator is connected in system pipeline, simple structure, compact;
2. pipeline type accumulator is mainly injection valve and provides pressure grease;
3. technical parameter:
Model:GLXQ-0.16
Nominal volume:0.16L
Nominal pressure:32.5Mpa
Overall dimensions:196x70x100mm.
Illustrate such as below in conjunction with the wheel drive track anti-attrition lubricating system circuit structure that Fig. 3 is provided to embodiment of the present invention Under:
As shown in figure 3, the system that embodiment of the present invention is provided mainly is turned by main controller, I/O expanding element, 110VDC The composition such as 24VDC power supply, power supply line and communication cable.
After main controller (or controller) receives the rate signal that locomotive carries velocity sensor, will if meeting pressure Ask, can be supplied according to the parameter (for example, supply time, fuel feeding number of times, upper pressure limit and low pressure limit etc.) that system is arranged Oil.Meanwhile, main controller can gather sensor (for example, pressure transducer and fuel level sensor) signal, be carried out point by software Analysis is processed, if when exceeded, carries out sound and light alarm, while display alarm interface.Wherein parameter can be stored in by arranging In eeprom memory.
System can pass through I/O expanding element expanded function.By the expanding element, for example, whether can have with real-time query " button " is pressed manually;Collection Hall element signal, judges whether each passage oil circuit blocks;Meanwhile, main controller can be received Control command, control oil feeder fuel feeding and alarm signal output.
Power supply line is used for from locomotive terminal block and takes 110VDC power supply, then turns 24VDC power supply through 110VDC, provides Main controller and I/O expanding element running voltage.
Communication cable is used for the signal transmission between main controller and I/O expanding element and communication.
The lubricating system that embodiment of the present invention is provided solves the time delay that conventional lubricating system lubricates for curve section. From the rate signal of intra-locomotive picking rate sensor, faster bend is judged.This lubricating system solves profit The limitation of sliding oil viscosity, becomes smectic grease by conventional lubricating oil or atomized lubrication fat, and lubricant effect is more preferable, adhesion Property is more preferable.While this lubricating system achieves the function of lubricating status on-line checking also by sensor, can be better understood by The lubricating status of locomotive.
Summarize the lubricating system that the present invention is provided and there is advantages below:
Timely, accurate lubrication can be carried out to engine truck wheel rim position, with can be while to wheel rim, track tread The expanded function (for example, lubricant housings realization being set by adjusting injection valve nozzle angle) of lubrication;Lubrication opportunity can be manual Control;Failure alarm signal can be provided;The spray oil/grease amount of equipment disclosure satisfy that the demand of lubricant housings (for example, by oil spout The control to spraying oil/grease amount is realized in the quantitative chamber of valve);The rated operational voltage of equipment meets locomotive voltage outputting standard;Equipment With guard shield so that the protection of equipment meets locomotive driving condition;The installation of equipment, interface, overall dimensions and technology will Ask the requirement for meeting railway operation safety, reliability respectively;Injection center is moistened in wheel rim and the wheel rim side of tread transition arc Consistent lubricant is not injected on wheel tread.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the present invention, multiple letters can be carried out to technical scheme Monotropic type, these simple variant belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to various can The compound mode of energy is no longer separately illustrated.
Additionally, combination in any can also be carried out between a variety of embodiments of the present invention, as long as which is without prejudice to this The thought of invention, which should equally be considered as content disclosed in this invention.

Claims (10)

1. a kind of wheel drive track anti-attrition lubricating system, it is characterised in that the system includes:
Controller, and the lubricating pump that is connected with the controller and control valve;And
The accumulator being connected with the lubricating pump by the first pipeline and injection valve, the injection valve by the second pipeline with described Control valve connects;
Wherein, the controller, for sending signals to the control valve with by second described in the control valve on and off Pipeline, and injection valve sensor signal is received with monitoring system working condition;The injection valve, in second pipeline Lubricating oil in first pipeline is sprayed onto during conducting the lubricant housings of wheel drive track;
The lubricating pump, for sending pressure lubrication oil into first pipeline;And
The accumulator, for accumulating the pressure energy in first pipeline.
2. system according to claim 1, it is characterised in that the system also includes:Velocity sensor, and the control Device sends signals to the control valve according to the rate signal for obtaining from the sensor.
3. system according to claim 1, it is characterised in that the controller is used for sending signals to predetermined time interval The control valve.
4. system according to claim 3, it is characterised in that the controller is used for making a reservation for described in the locomotive operation Pressure in time interval and first pipeline sends signals to the lubricating pump when exceeding scheduled pressure value.
5. system according to claim 1, it is characterised in that the lubricating pump be.
6. system according to claim 5, it is characterised in that the electric high pressure pump has oil storage barrel, in the oil storage barrel Oil machine structure is stirred in setting.
7. system according to claim 1, it is characterised in that the accumulator be.
8. system according to claim 1, it is characterised in that the injection valve has quantitative chamber, for entering to distributive value Row is quantitative.
9. system according to claim 1, it is characterised in that the control valve is pneumatic control valve, and described second Pipeline is gas circuit.
10. system according to claim 1, it is characterised in that the lubricant housings be.
CN201610865747.2A 2016-03-24 2016-09-29 Anti-attrition lubricating system for locomotive wheel track Pending CN106439460A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2016101726645 2016-03-24
CN201610172664 2016-03-24

Publications (1)

Publication Number Publication Date
CN106439460A true CN106439460A (en) 2017-02-22

Family

ID=58171260

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610865747.2A Pending CN106439460A (en) 2016-03-24 2016-09-29 Anti-attrition lubricating system for locomotive wheel track
CN201621096009.8U Expired - Fee Related CN206112469U (en) 2016-03-24 2016-09-29 Locomotive wheel rail antifriction lubricating system

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201621096009.8U Expired - Fee Related CN206112469U (en) 2016-03-24 2016-09-29 Locomotive wheel rail antifriction lubricating system

Country Status (1)

Country Link
CN (2) CN106439460A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107842703A (en) * 2017-12-14 2018-03-27 株洲中车电气科技有限公司 A kind of locomotive subsidiary engine automatic lubricating method and system
CN115325411A (en) * 2022-08-25 2022-11-11 青岛盘古智能制造股份有限公司 Automatic screw tooth lubricating system for rotary drill and control method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439460A (en) * 2016-03-24 2017-02-22 北京中冶华润科技发展有限公司 Anti-attrition lubricating system for locomotive wheel track
CN111578112A (en) * 2020-05-14 2020-08-25 东莞市亚恩帝机床有限公司 Automatic oil supply lubricating system and method for machine tool

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102395502A (en) * 2009-02-23 2012-03-28 奥托因温特公司 Lubricant applicator for a wheel of a railbound vehicle
CN102644837A (en) * 2012-04-26 2012-08-22 天津市金昌海科工贸有限公司 Grease-spraying lubrication system for racks in hot rolling production line for seamless steel pipes
CN103234104A (en) * 2013-04-25 2013-08-07 南车株洲电力机车有限公司 Bogie and rim lubricating control system thereof
CN203273243U (en) * 2013-04-21 2013-11-06 唐山渤海冶金设备有限责任公司 Oil and gas lubrication complete equipment for continuous casting
CN203560702U (en) * 2013-11-07 2014-04-23 珠海威润玛工业设备制造有限公司 Oil gas injection lubrication system
CN104163185A (en) * 2014-08-18 2014-11-26 株洲中车机电技术有限公司 Locomotive wheeltrack lubrication control device and method
CN104214498A (en) * 2014-08-26 2014-12-17 武汉船用机械有限责任公司 Centralized lubrication system
CN204345220U (en) * 2014-12-29 2015-05-20 烟台华顺机械工程设备有限公司 Overhead crane orbit oil gas lubricating system
CN206112469U (en) * 2016-03-24 2017-04-19 北京中冶华润科技发展有限公司 Locomotive wheel rail antifriction lubricating system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102395502A (en) * 2009-02-23 2012-03-28 奥托因温特公司 Lubricant applicator for a wheel of a railbound vehicle
CN102644837A (en) * 2012-04-26 2012-08-22 天津市金昌海科工贸有限公司 Grease-spraying lubrication system for racks in hot rolling production line for seamless steel pipes
CN203273243U (en) * 2013-04-21 2013-11-06 唐山渤海冶金设备有限责任公司 Oil and gas lubrication complete equipment for continuous casting
CN103234104A (en) * 2013-04-25 2013-08-07 南车株洲电力机车有限公司 Bogie and rim lubricating control system thereof
CN203560702U (en) * 2013-11-07 2014-04-23 珠海威润玛工业设备制造有限公司 Oil gas injection lubrication system
CN104163185A (en) * 2014-08-18 2014-11-26 株洲中车机电技术有限公司 Locomotive wheeltrack lubrication control device and method
CN104214498A (en) * 2014-08-26 2014-12-17 武汉船用机械有限责任公司 Centralized lubrication system
CN204345220U (en) * 2014-12-29 2015-05-20 烟台华顺机械工程设备有限公司 Overhead crane orbit oil gas lubricating system
CN206112469U (en) * 2016-03-24 2017-04-19 北京中冶华润科技发展有限公司 Locomotive wheel rail antifriction lubricating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107842703A (en) * 2017-12-14 2018-03-27 株洲中车电气科技有限公司 A kind of locomotive subsidiary engine automatic lubricating method and system
CN115325411A (en) * 2022-08-25 2022-11-11 青岛盘古智能制造股份有限公司 Automatic screw tooth lubricating system for rotary drill and control method

Also Published As

Publication number Publication date
CN206112469U (en) 2017-04-19

Similar Documents

Publication Publication Date Title
CN206112469U (en) Locomotive wheel rail antifriction lubricating system
CN102152801B (en) Intelligent control system and method of rim lubricating device
CN201941779U (en) Automatic overflow control device of railway cars
CN206781775U (en) A kind of wheel flange lubricating control system, bogie and rail vehicle
CN202281341U (en) Dynamic pressure monitoring device of air conditioner system
CN112361197B (en) Fixed type rail lubricating system and control method thereof
CN204568713U (en) A kind of novel impeller feeder anti-collision control system
CN109323114A (en) A kind of micro oil gas lubricating system of horizontal screw machine
CN112550343A (en) Automatic trailer method and device suitable for freight train
CN209502034U (en) A kind of Novel hand held type formula rail clip oiling device
CN102431573A (en) Fluid lubrication nozzle for wheel flange of locomotive
CN102431572A (en) Control method for oil injection device of track train, oil injection device, track train and track locomotive
CN203996268U (en) Vehicle double-pipe air feed monitoring device
CN204003403U (en) Air consumption regulating device, the rail vehicle of being furnished with this device or land vehicle
CN202106970U (en) Speed limiting device of internal combustion shunting locomotive
CN105329255A (en) Haulage motor double-pipe air supply system and air supply pipe air supply monitoring method thereof
CN204248380U (en) Production line electric tightening machine tightens abnormal wireless identification warning device
CN116044311A (en) Air directional drilling system and method for underground crushed soft coal layer of coal mine
CN103234104A (en) Bogie and rim lubricating control system thereof
CN115158404A (en) Automatic driving control execution system and method for shunting locomotive
CN209505750U (en) A kind of rim lubricating device
CN209278820U (en) A kind of shot-blasting machine carrier chain automatic lubricating system
CN208619083U (en) A kind of long-distance intelligent control full-automatic boiler vehicle
CN1978308B (en) Caustic soda liquid discharge processand its special equipment
CN203373053U (en) Winch speed monitoring device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170222