CN109882262A - Mining assistant conveyance vehicle engine oil protective device - Google Patents
Mining assistant conveyance vehicle engine oil protective device Download PDFInfo
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- CN109882262A CN109882262A CN201910200188.7A CN201910200188A CN109882262A CN 109882262 A CN109882262 A CN 109882262A CN 201910200188 A CN201910200188 A CN 201910200188A CN 109882262 A CN109882262 A CN 109882262A
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- Prior art keywords
- valve
- gas
- pilot control
- control valve
- engine
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- 239000010705 motor oil Substances 0.000 title claims abstract description 34
- 238000005065 mining Methods 0.000 title claims abstract description 12
- 230000001681 protective effect Effects 0.000 title claims abstract description 9
- 239000007858 starting material Substances 0.000 claims abstract description 11
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 239000010721 machine oil Substances 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000001012 protector Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
A kind of mining assistant conveyance vehicle engine oil protective device, including the gas source pipeline being connected with Gas starter, gas source pipe road is equipped with air circuit breaker valve and trigger valve.Equipped in parallel die cylinder and oil-break cylinder, and it is connect with shuttle valve.One end of shuttle valve is equipped with shutdown valve by the gas source piping connection between gas circuit I and air circuit breaker valve and trigger valve, gas circuit I；The other end is connected with the gas circuit II being connected with gas source, and gas circuit II is equipped with pilot control valve II, and pilot control valve I is equipped between pilot control valve II and shuttle valve.The driving end of pilot control valve I is connected with engine oil pressure pipeline, and the driving end of pilot control valve II passes through the gas source piping connection between gas circuit III and trigger valve and Gas starter；Gas circuit III is equipped with time-delay valve, and cylinder is equipped between time-delay valve and pilot control valve II.The present invention can be realized autostop in an abnormal situation, avoiding engine because cannot get oil lubricating and scuffing of cylinder bore, engine being caused to be scrapped.
Description
Technical field
The present invention relates to field of underground coal mine transportation, especially a kind of mining assistant conveyance vehicle engine oil is protected
Protection unit.
Background technique
Development of auxiliary transport in coal mines trackless rubber-tyred has become the developing direction of coal mining enterprise's mining assistant conveyance, mining at present
Railless free-wheeled vehicle has already appeared different degrees of safety problem in use, and wherein the outstanding behaviours of problem is used in mine vehicle
The mode of electric protection is monitored to vehicle when underground is broken down and early warning, since subsurface environment humidity is to electrical protective device
It easily causes to fail and is in the presence of reporting by mistake.This problem has become the outstanding problem of auxiliary vehicle management operation.According to
The safety code requirement of underground coal mine anti-explosion diesel engine vehicle, anti-explosion diesel engine vehicle delivery temperature should occurring, cooling temperature, start
Any parameters such as machine surface temperature, coolant liquid loss water level, engine oil pressure automatic protection must stop immediately when exceeded.
Summary of the invention
It is a kind of for protecting engine to exist the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide
Lubricating oil leakage, engine oil pressure is low to wait the mining assistant conveyance vehicle engine oil protection dress for capableing of autostop under fortuitous events
It sets.
The technical problem to be solved by the present invention is to what is realized by technical solution below, a kind of mining assistant conveyance
Vehicle engine oil protective device, including the gas source pipeline being connected with Gas starter, gas source pipe road is successively arranged gas circuit and opens
Valve and trigger valve are closed, its main feature is that:
Equipped with die cylinder and oil-break cylinder that control engine is shut down, by one after die cylinder and the oil-break cylinder parallel connection
Root branch air path is connect with the middle part of a shuttle valve；
One end of the shuttle valve is equipped with by the gas source piping connection between gas circuit I and air circuit breaker valve and trigger valve, gas circuit I
Shutdown valve；
The other end of shuttle valve is connected with the gas circuit II being connected with gas source, and gas circuit II is equipped with pilot control valve II, in pilot control
Gas circuit II between valve II and shuttle valve is equipped with pilot control valve I；
The driving end of pilot control valve I is connected with engine oil pressure pipeline,
The driving end of pilot control valve II passes through the gas source piping connection between gas circuit III and trigger valve and Gas starter；Described
Gas circuit III is equipped with time-delay valve, is equipped with cylinder in the gas circuit III between time-delay valve and pilot control valve II；
(1) normal start operating performance: before starting engine, it is zero that pilot control valve I, which drives the engine oil pressure at end, guide's control
Valve I processed is in the conductive state；Pilot control valve II drives end to input without gas, and pilot control valve II is in an off state；It dies gas
Cylinder and oil-break cylinder are inputted without gas source, and engine can normally start；
Air circuit breaker valve is opened, trigger valve, Gas starter starting are pressed, engine oil pressure increases driving pilot control valve I
It disconnects；
Gas circuit III is delayed to the driving end of pilot control valve II under time-delay valve and cylinder effect and supplies, in pilot control valve I
Pilot control valve II is driven to be connected after disconnection,
(2) orderly closedown operating condition: when needing to shut down, shutdown valve is pressed, gas circuit I is connected, and pressed gas acts on disconnected by shuttle valve
Gas cylinder and oil-break cylinder, control engine are shut down；
(3) machine oil protects operating condition:
Situation one: in the case where normal start operating performance, when engine motor oil failure can not establish pressure, pilot control
Valve I is in constantly on state, and after the completion of time-delay valve work, gas circuit III drives end gas supply, pilot control to pilot control valve II
Valve II is connected, and gas circuit II is connected at this time, and pressed gas acts on die cylinder and oil-break cylinder by shuttle valve, and engine is shut down；
Situation two: in the case that engine operates normally, when there is the low situation of lubricating oil leakage pressure, pilot control valve I
Driving end, which loses pressure, becomes on state from off-state, and gas circuit II is connected at this time, and pressed gas is acted on disconnected by shuttle valve
Gas cylinder and oil-break cylinder, engine are shut down.
Compared with prior art, the present invention a kind of engine motor oil protective device substitution machine oil electric protection system is provided, so that mine
Accident once occurs in use or long-time placement status with auxiliary vehicle motor, lubricating oil leakage, engine oil pressure is low, black
In the dark and great subsurface environment of noise engine can autostop, avoid engine from drawing because cannot get oil lubricating
Cylinder causes engine to be scrapped.
Detailed description of the invention
Fig. 1 is mining assistant conveyance vehicle engine oil protective device structural schematic diagram.
Specific embodiment
The specific technical solution of the present invention described further below, in order to which those skilled in the art is further understood that
The present invention, without constituting the limitation to its right.
A kind of mining assistant conveyance vehicle engine oil protective device, including the gas source pipeline being connected with Gas starter
12, air circuit breaker valve 1 and trigger valve 5 are successively arranged on gas source pipeline 12.The cylinder 8 and disconnected of dying shut down equipped with control engine
Oil gas cylinder 9 is connect by a branch air path with the middle part of a shuttle valve 3 after 9 parallel connection of cylinder 8 and oil-break cylinder of dying.
One end of the shuttle valve 3 is connected by the gas source pipeline 12 between gas circuit I 14 and air circuit breaker valve 1 and trigger valve 5,
Gas circuit I 14 is equipped with shutdown valve 2；The other end of shuttle valve 3 is connected with the gas circuit II 13 being connected with gas source, and gas circuit II 13 is equipped with first
Control valve II 10 is led, pilot control valve I 4 is equipped in the gas circuit II 13 between pilot control valve II 10 and shuttle valve 3.
The driving end of pilot control valve I 4 is connected with engine oil pressure pipeline, the driving end of pilot control valve II 10
It is connected by the gas source pipeline 12 between gas circuit III 11 and trigger valve 5 and Gas starter；The gas circuit III 11 is equipped with delay
Valve 6 is equipped with cylinder 7 in the gas circuit III 11 between time-delay valve 6 and pilot control valve II 10.
(1) normal start operating performance: before starting engine, shutdown valve 2 controls gas circuit I 14 and disconnects, and air circuit breaker valve 1 controls gas
Source capsule road 12 disconnects, and trigger valve 2 controls gas source pipeline 12 and disconnects.Pilot control valve I 4 drive end engine oil pressure be
Zero, pilot control valve I 4 is in the conductive state；Pilot control valve II 10 drives end to input without gas, and pilot control valve II 10 is in disconnected
Open state, gas circuit II 13 are in an off state, and die cylinder 8 and oil-break cylinder 9 are inputted without gas source, and engine can be opened normally
It is dynamic.
Air circuit breaker valve is opened, gas source input, there is pressure at the input control end of trigger valve 5 at this time, presses trigger valve 5, gas
Starter motor starting.Engine oil pressure increases driving pilot control valve I 4 and disconnects；Gas source passes through time-delay valve 6, time-delay valve 6 simultaneously
Air inlet is vented slowly fastly, and the gas source of certain pressure is stored into cylinder 7.Gas circuit III is right in the case where time-delay valve 6 and cylinder 7 act on
The driving end of pilot control valve II 10, which is delayed, to be supplied, and driving pilot control valve II 10 is connected after the disconnection of pilot control valve I 4.
(2) orderly closedown operating condition: when needing to shut down, shutdown valve 2 is pressed, gas circuit I 14 is connected, and pressed gas passes through shuttle valve 3
Die cylinder 8 and oil-break cylinder 9 are acted on, engine is shut down.
(3) machine oil protects operating condition:
Situation one: in the case where normal start operating performance, when engine motor oil failure can not establish pressure, pilot control valve
I 4 are in constantly on state, and after the completion of time-delay valve 6 works, III 11 pairs of pilot control valves II 10 of gas circuit drive end gas supply, guide
Control valve II 10 is connected, and gas circuit II 13 is connected at this time, and pressed gas is acted on die cylinder and oil-break cylinder by shuttle valve, started
Machine is shut down.
Situation two: in the case that engine operates normally, when there is the low situation of lubricating oil leakage pressure, pilot control valve
I 4 driving end, which loses pressure, becomes on state from off-state, and gas circuit II 13 is connected at this time, and pressed gas passes through shuttle at this time
Valve 3 acts on die cylinder 8 and oil-break cylinder 9, and engine is shut down.
The effect of the air circuit breaker valve 1 is to provide gas source for engine start and shutdown.
The shutdown valve 2 is the shutdown control element of protector for engine oil, can realize hair when system starts and works normally
The shutdown of motivation.
The shuttle valve 3 plays selection index system, and when whole system starts pre-operation, gas source begins with power gas input,
At this time pilot control valve II 10 control gas circuit II 13 be connected, pilot control valve I control gas circuit II 13 be connected, at this time oil-break cylinder 9,
Cylinder 8 die just in stretching state, which is both shutdown status, is shut down so engine is in.
The pilot control valve I 4 is the core element of protector for engine oil, pilot control valve I 4 and engine oil pressure
Mouthful it is connected, pilot control valve I 4 is controlled by engine oil pressure, dies cylinder 8 and oil-break cylinder 9, come real to control engine
The machine oil protection of existing engine.
The trigger valve 5 is the starting control element that engine enters working condition.Trigger valve 5 is pressed, gas source is opened to gas
Motivation provides power, realizes the starting of engine.It is supplied simultaneously to time-delay valve 6.
The time-delay valve 6 is the core element of protector for engine oil, and feature is quick air inlet, slowly the characteristics of exhaust.
The cylinder 7 is the core element of protector for engine oil, and feature is storage gas, makes to save in pipeline certain
Air pressure guarantees that pilot control valve II 10 is in state of dying.
The shutdown executive component that cylinder 8 and oil-break cylinder 9 are engine of dying, when cylinder stretches out, engine is shut down.
The pilot control valve II 10 is the core element of protector for engine oil, is engine in entering systematic procedure
The gas source shut down and started is provided.
Claims (1)
1. a kind of mining assistant conveyance vehicle engine oil protective device, including the gas source pipeline being connected with Gas starter, gas
Source capsule road is successively arranged air circuit breaker valve and trigger valve, it is characterised in that:
Equipped with die cylinder and oil-break cylinder that control engine is shut down, by one after die cylinder and the oil-break cylinder parallel connection
Root branch air path is connect with the middle part of a shuttle valve；
One end of the shuttle valve is equipped with by the gas source piping connection between gas circuit I and air circuit breaker valve and trigger valve, gas circuit I
Shutdown valve；
The other end of shuttle valve is connected with the gas circuit II being connected with gas source, and gas circuit II is equipped with pilot control valve II, in pilot control
Gas circuit II between valve II and shuttle valve is equipped with pilot control valve I；
The driving end of pilot control valve I is connected with engine oil pressure pipeline,
The driving end of pilot control valve II passes through the gas source piping connection between gas circuit III and trigger valve and Gas starter；Described
Gas circuit III is equipped with time-delay valve, is equipped with cylinder in the gas circuit III between time-delay valve and pilot control valve II；
(1) normal start operating performance: before starting engine, it is zero that pilot control valve I, which drives the engine oil pressure at end, guide's control
Valve I processed is in the conductive state；Pilot control valve II drives end to input without gas, and pilot control valve II is in an off state；It dies gas
Cylinder and oil-break cylinder are inputted without gas source, and engine can normally start；
Air circuit breaker valve is opened, trigger valve, Gas starter starting are pressed, engine oil pressure increases driving pilot control valve I
It disconnects；
Gas circuit III is delayed to the driving end of pilot control valve II under time-delay valve and cylinder effect and supplies, in pilot control valve I
Pilot control valve II is driven to be connected after disconnection,
(2) orderly closedown operating condition: when needing to shut down, shutdown valve is pressed, gas circuit I is connected, and pressed gas acts on disconnected by shuttle valve
Gas cylinder and oil-break cylinder, control engine are shut down；
(3) machine oil protects operating condition:
Situation one: in the case where normal start operating performance, when engine motor oil failure can not establish pressure, pilot control
Valve I is in constantly on state, and after the completion of time-delay valve work, gas circuit III drives end gas supply, pilot control to pilot control valve II
Valve II is connected, and gas circuit II is connected at this time, and pressed gas acts on die cylinder and oil-break cylinder by shuttle valve, and engine is shut down；
Situation two: in the case that engine operates normally, when there is the low situation of lubricating oil leakage pressure, pilot control valve I
Driving end, which loses pressure, becomes on state from off-state, and gas circuit II is connected at this time, and pressed gas is acted on disconnected by shuttle valve
Gas cylinder and oil-break cylinder, engine are shut down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200188.7A CN109882262A (en) | 2019-03-16 | 2019-03-16 | Mining assistant conveyance vehicle engine oil protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200188.7A CN109882262A (en) | 2019-03-16 | 2019-03-16 | Mining assistant conveyance vehicle engine oil protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109882262A true CN109882262A (en) | 2019-06-14 |
Family
ID=66932564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910200188.7A Pending CN109882262A (en) | 2019-03-16 | 2019-03-16 | Mining assistant conveyance vehicle engine oil protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882262A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221104Y (en) * | 1995-04-20 | 1996-02-28 | 宝山钢铁(集团)公司 | Engine oil pressure loss automatic stopping device for engine |
| US6470247B1 (en) * | 2001-10-09 | 2002-10-22 | Deere & Company | Vehicle hydraulic system monitoring system and method |
| CN201096017Y (en) * | 2007-09-12 | 2008-08-06 | 内蒙古北方重型汽车股份有限公司 | Down-hole transportation vehicles diesel flame proof safety device |
| CN101684739A (en) * | 2008-09-27 | 2010-03-31 | 三一重型装备有限公司 | Anti-explosion diesel engine automatic protection device |
| CN201513215U (en) * | 2009-09-27 | 2010-06-23 | 内蒙古北方重型汽车股份有限公司 | Safe starting control device for underground transport truck |
| WO2010074507A2 (en) * | 2008-12-24 | 2010-07-01 | 두산인프라코어 주식회사 | Hydraulic pump controller for construction machine |
| CN102477902A (en) * | 2010-11-24 | 2012-05-30 | 三一重型装备有限公司 | Alarm monitoring device for anti-explosion power machine pneumatic protection system |
| KR20120119241A (en) * | 2011-04-21 | 2012-10-31 | 박종국 | Apparatus for flushing and diagnosis of internal-combustion engine and a method thereof |
| DE102011053176A1 (en) * | 2011-08-31 | 2013-02-28 | Ino8 Pty Ltd | Method and device for leak detection of a vehicle lubrication system |
| CN203531994U (en) * | 2013-11-27 | 2014-04-09 | 李明 | Diesel engine low oil pressure parking dual-protection device |
| CN209761519U (en) * | 2019-03-16 | 2019-12-10 | 连云港天明装备有限公司 | Engine oil protection device for mining auxiliary transport vehicle engine |
-
2019
- 2019-03-16 CN CN201910200188.7A patent/CN109882262A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221104Y (en) * | 1995-04-20 | 1996-02-28 | 宝山钢铁(集团)公司 | Engine oil pressure loss automatic stopping device for engine |
| US6470247B1 (en) * | 2001-10-09 | 2002-10-22 | Deere & Company | Vehicle hydraulic system monitoring system and method |
| CN201096017Y (en) * | 2007-09-12 | 2008-08-06 | 内蒙古北方重型汽车股份有限公司 | Down-hole transportation vehicles diesel flame proof safety device |
| CN101684739A (en) * | 2008-09-27 | 2010-03-31 | 三一重型装备有限公司 | Anti-explosion diesel engine automatic protection device |
| WO2010074507A2 (en) * | 2008-12-24 | 2010-07-01 | 두산인프라코어 주식회사 | Hydraulic pump controller for construction machine |
| CN201513215U (en) * | 2009-09-27 | 2010-06-23 | 内蒙古北方重型汽车股份有限公司 | Safe starting control device for underground transport truck |
| CN102477902A (en) * | 2010-11-24 | 2012-05-30 | 三一重型装备有限公司 | Alarm monitoring device for anti-explosion power machine pneumatic protection system |
| KR20120119241A (en) * | 2011-04-21 | 2012-10-31 | 박종국 | Apparatus for flushing and diagnosis of internal-combustion engine and a method thereof |
| DE102011053176A1 (en) * | 2011-08-31 | 2013-02-28 | Ino8 Pty Ltd | Method and device for leak detection of a vehicle lubrication system |
| CN203531994U (en) * | 2013-11-27 | 2014-04-09 | 李明 | Diesel engine low oil pressure parking dual-protection device |
| CN209761519U (en) * | 2019-03-16 | 2019-12-10 | 连云港天明装备有限公司 | Engine oil protection device for mining auxiliary transport vehicle engine |
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