CN207261149U - A kind of cold-starting device of anti-explosion diesel engine vehicle - Google Patents
A kind of cold-starting device of anti-explosion diesel engine vehicle Download PDFInfo
- Publication number
- CN207261149U CN207261149U CN201721094248.4U CN201721094248U CN207261149U CN 207261149 U CN207261149 U CN 207261149U CN 201721094248 U CN201721094248 U CN 201721094248U CN 207261149 U CN207261149 U CN 207261149U
- Authority
- CN
- China
- Prior art keywords
- pump
- valve
- cold start
- mouths
- cold
- 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.)
- Active
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
It the utility model is related to anti-explosion diesel engine vehicle technical field, specially a kind of cold-starting device of anti-explosion diesel engine vehicle, solves the problems, such as anti-explosion diesel engine vehicle difficulty in starting in the winter time, air accumulator including vehicle self-carrying, anti-explosion diesel engine, auxiliary pump and walking enclosed pump, further include cold start valve and cold-starting device, cold-starting device includes main pump cold start-up unloading valve and auxiliary pump unloading valve, acting on auxiliary pump unloading valve by the gases at high pressure in cold start valve air accumulator makes its off-load that commutates, extra load necessary to cutting off diesel-engine road vehicle self-operating outside detent torque, the startup of vehicle is realized using cold-starting device.The utility model improves the one-shot success rate of diesel engine under low temperature environment, saves the time that vehicle can not start and rely on other vehicular rescues, improves the work efficiency of vehicle.
Description
Technical field
Anti-explosion diesel engine vehicle technical field is the utility model is related to, is specially a kind of cold start-up of anti-explosion diesel engine vehicle
Device.
Background technology
Part Coal Mine by the use of vehicle using anti-explosion diesel engine as power source, using gas motor as activation system, and user is main
The northern area in China is distributed in, under the relatively low operating mode of winter environment temperature, it may appear that diesel engine is not easy the phenomenon started, adds
The steering of mine vehicle, braking system, the operating mechanism such as oil cylinder be hydraulically operated, the running gears of some vehicles also by
Hydraulic-driven, its power depend on diesel-driven hydraulic pump, and which increase load during anti-explosion diesel engine startup.
Simultaneously because the requirement of explosion proof that underground is special, vehicle can only use gas motor as power source, winter low temperature environment
Often occur the situation of the bad startup of diesel engine, while the limited volume of air accumulator down, be only sufficient to vehicle and continuously start 3 times, if
More than 3 times still without startup, portable air compressor or other explosion-proof vehicle can only be relied on to rescue, greatly reduce vehicle
Work efficiency.
The content of the invention
The utility model is in order to solve the problems, such as anti-explosion diesel engine vehicle difficulty in starting in the winter time, there is provided a kind of explosion-proof bavin
The cold-starting device of oil machine vehicle.
The utility model is achieved by the following technical solution：A kind of cold-starting device of anti-explosion diesel engine vehicle, bag
Air accumulator, anti-explosion diesel engine, auxiliary pump and the walking enclosed pump of vehicle self-carrying are included, further includes cold start valve and cold start-up dress
Put, cold-starting device includes main pump cold start-up unloading valve and auxiliary pump unloading valve, and main pump cold start-up unloading valve is to be used to sense pressure
The unloading valve of difference, auxiliary pump unloading valve is two position and four-way reversing valves, passes through the high pressure gas in cold start valve air accumulator
Body, which acts on auxiliary pump unloading valve, makes its off-load that commutates, the volume necessary to cutting off diesel-engine road vehicle self-operating outside detent torque
Outer load, the startup of vehicle is realized using cold-starting device.
The control mouth K2 of auxiliary pump unloading valve is connected with the A mouths of cold start valve, and the P mouths of cold start valve are connected with
Reservoir outlet, the R mouths of cold start valve are communicated with air；Repairing gear pump and high press filtration are provided with walking enclosed pump
Core, before the P mouths of main pump cold start-up unloading valve are connected to the import of repairing gear pump outlet filter core, the K1 of main pump cold start-up unloading valve
Mouth is connected with the outlet of clearance filter, and the A mouths of main pump cold start-up unloading valve are connected with fuel tank.
Air accumulator is the power source of anti-explosion diesel engine vehicle activation system, provides high pressure for gas starter motor during vehicle launch
Gas, while the air compressor carried during anti-explosion diesel engine normal work provides gases at high pressure into air accumulator, until gas
Pressure reaches setting value, it is ensured that after vehicle stall, gas pressure can meet the pressure needs started next time in air accumulator；At the same time
Air accumulator also provides gases at high pressure to cold start valve, and the P mouths of cold start valve are connected to air accumulator, cold start valve
R mouthfuls of logical air, the A mouths of cold start valve are connected to the control mouth K2 of the auxiliary pump unloading valve on cold-starting device.
The function that main pump cold start-up unloading valve has is：When the temperature of the surroundings is low, hydraulic oil viscosity is larger, hydraulic pump
Outlet pressure increases, and the pressure difference increase before and after clearance filter, when reaching the setting value 3bar of spool, spool is opened, repairing gear
Pump realizes off-load by the valve, reduces the load of engine；At the same time in the case where clearance filter is contaminated, which can
So that repairing gear pump off-load, so as to avoid particulate matter from entering in the cylinder barrel of walking enclosed pump, prevents the abrasion aggravation of pump, and then
Improve the service life of pump；Furthermore due to temperature it is relatively low when, the suction capacity of pump is very poor, restrictive pump when which can realize low temperature
Rotating speed, prevent the abrasion due to being pumped caused by the repairing underfed of repairing gear pump, it is possibility to have effect raising pump longevity
Life.
Walking enclosed pump provides power for the hoofing part of vehicle, and A, B outlet of walking enclosed pump are respectively connected to hydraulic pressure
A, B mouth of motor, to prevent the hydraulic oil temperature in closed circuit excessive, influence in the service life of component, flushing to be added in circuit
Valve, by partial high pressure hydraulic pressure oil flushing into radiator, to supplement low temperature hydraulic oil into closed circuit, walking enclosed pump is internal
A quantitative gear pump is integrated with, which provides pressure for the control loop of walking enclosed pump.
When anti-explosion diesel engine is lighted a fire, cold start valve is pinned, the gases at high pressure in air accumulator pass through cold start
Valve action forces the valve to commutate, so as to control auxiliary pump unloading valve off-load on the auxiliary pump unloading valve of cold-starting device.Diesel oil
After machine starts, cold start valve is unclamped, it is automatically reset under the action of the spring, does not influence the normal use of vehicle.
The auxiliary pump generally use load sensitive pump or gear pump of full hydraulic drive explosion-proof vehicle, are steering, the system of vehicle
The mechanisms such as dynamic, oil cylinder provide power.
Auxiliary pump is gear pump, and the oil outlet of gear pump is connected with the P mouths of auxiliary pump unloading valve, the A of auxiliary pump unloading valve
Mouth is connected with the steering, braking, operation of oil cylinde mechanism of diesel oil explosion-proof vehicle, and the T mouths of auxiliary pump unloading valve are connected with plug, aids in
The B mouths of pump unloading valve are connected with fuel tank.Its basic principle is：When anti-explosion diesel engine starts, the outlet of gear pump is taken back into oil
Case so that auxiliary pump only exports minimum pressure, although discharge capacity is big, the product of pressure and discharge capacity is still smaller, therefore required torsion
Square is very low, so as to effectively reduce the startup load of diesel engine.
Auxiliary pump is load sensitive pump, and the P mouths of auxiliary pump unloading valve are connected with the steering, braking, oil of diesel oil explosion-proof vehicle
The load feedback signal of cylinder operating mechanism, the A mouths of auxiliary pump unloading valve are connected with the load feedback mouth of load sensitive pump；Auxiliary pump
The B mouths of unloading valve are connected with plug, and the T mouths of auxiliary pump unloading valve are connected with fuel tank.Its basic principle is：When anti-explosion diesel engine opens
When dynamic, load feedback signal is cut off, such auxiliary pump only exports the flow and pressure of very little, can effectively reduce diesel engine
Start load.
Cold-starting device is that the main pump cold start-up unloading valve that is fixed on cold start-up valve body and auxiliary pump unloading valve form
Valve block, the P mouths of main pump cold start-up unloading valve are communicated with 2 ＇ of hydraulic fluid port of cold start-up valve body, the K1 mouths of main pump cold start-up unloading valve with it is cold
1 ＇ of hydraulic fluid port for starting valve body is communicated, and the A mouths of main pump cold start-up unloading valve are communicated with 7 ＇ of hydraulic fluid port of cold start-up valve body；Auxiliary pump off-load
The P mouths of valve are communicated with 3 ＇ of hydraulic fluid port of cold start-up valve body, and the T mouths of auxiliary pump unloading valve are communicated with 6 ＇ of hydraulic fluid port of cold start-up valve body, auxiliary
The A mouths of pump unloading valve are helped to be communicated with 4 ＇ of hydraulic fluid port of cold start-up valve body, the B mouths of auxiliary pump unloading valve and 5 ＇ of hydraulic fluid port of cold start-up valve body
Communicate.
The cold-starting device of anti-explosion diesel engine vehicle provided by the utility model, can pass through while diesel engine is started
Cold start-up button is operated, effectively cuts off remaining extra load in addition to detent torque necessary to diesel engine self-operating, is wrapped
Include auxiliary pump detent torque and enclosed pump in the detent torque that pumps of built-in gear, improve under low temperature environment diesel engine once
Start success rate, save the time that vehicle can not start and rely on other vehicular rescues, improve the work efficiency of vehicle, at the same time
For the anti-explosion diesel engine vehicle of full hydraulic drive, which can also realize the larger situation of low temperature hydraulic oil viscosity
Under, the rotating speed of restrictive pump, so as to play the role of protection pump.
Brief description of the drawings
Fig. 1 is the schematic diagram of cold-starting device of the present invention；
Fig. 2 is the cold-starting device catenation principle figure that auxiliary pump is gear pump；
Fig. 3 is the cold-starting device catenation principle figure that auxiliary pump is load sensitive pump；
Fig. 4 is the basic principle figure of enclosed driving circuit；
Fig. 5 is structure diagram of the cold-starting device as valve block；
Fig. 6 is the catenation principle figure for the cold-starting device valve block that auxiliary pump is gear pump；
Fig. 7 is the catenation principle figure for the cold-starting device valve block that auxiliary pump is load sensitive pump.
In figure：1- air accumulators, 2- cold start valves, 3- cold-starting devices, 4- auxiliary pumps, 5- walking enclosed pumps, 6- prevent
Quick-fried diesel engine, 7- cold start-up valve bodies, 8- main pump cold start-up unloading valves, 9- auxiliary pump unloading valves, 10- repairing gear pumps, 11- high pressures
Filter core, 12- flushing valves, 13- hydraulic motors.
Embodiment
The utility model is further elaborated with reference to Fig. 1~Fig. 7, a kind of cold-starting device of anti-explosion diesel engine vehicle,
Air accumulator 1, anti-explosion diesel engine 6, auxiliary pump 4 and walking enclosed pump 5 including vehicle self-carrying, further include 2 He of cold start valve
Cold-starting device 3, cold-starting device 3 include main pump cold start-up unloading valve 8 and auxiliary pump unloading valve 9, main pump cold start-up unloading valve 8
It is the unloading valve for sensing differential pressure, auxiliary pump unloading valve 9 is two position and four-way reversing valves, is stored up by cold start valve 2
Gases at high pressure in gas tank, which act on auxiliary pump unloading valve 9, makes its off-load that commutates, and cut-out diesel-engine road vehicle self-operating institute is required
Detent torque outside extra load, the startup of vehicle is realized using cold-starting device 3.
The control mouth K2 of auxiliary pump unloading valve 9 is connected with the A mouths of cold start valve 2, and the P mouths of cold start valve 2 are even
It is connected to air accumulator 1 to export, the R mouths of cold start valve 2 are communicated with air；Repairing gear pump 10 is provided with walking enclosed pump 5
With clearance filter 11, before the P mouths of main pump cold start-up unloading valve 8 are connected to the import that repairing gear pump 10 exports filter core, main pump is cold
The K1 mouths for starting unloading valve 8 are connected with the outlet of clearance filter 11, and the A mouths of main pump cold start-up unloading valve 8 are connected with fuel tank.
Air accumulator is the power source of anti-explosion diesel engine vehicle activation system, provides high pressure for gas starter motor during vehicle launch
Gas, while the air compressor carried during anti-explosion diesel engine normal work provides gases at high pressure into air accumulator, until gas
Pressure reaches setting value, it is ensured that after vehicle stall, gas pressure can meet the pressure needs started next time in air accumulator；At the same time
Air accumulator also provides gases at high pressure to cold start valve, and the P mouths of cold start valve are connected to air accumulator 1, cold start valve
The logical air of R mouths, the A mouths of cold start valve are connected to the control mouth K2 of the auxiliary pump unloading valve 9 on cold-starting device.
Walking enclosed pump provides power for the hoofing part of vehicle, and A, B outlet of walking enclosed pump are respectively connected to hydraulic pressure
A, B mouth of motor 13, to prevent the hydraulic oil temperature in closed circuit excessive, influence in the service life of component, punching to be added in circuit
Valve is washed, by partial high pressure hydraulic pressure oil flushing into radiator, to supplement low temperature hydraulic oil into closed circuit, in enclosed of walking pump
Portion is integrated with a quantitative gear pump, which provides pressure for the control loop of walking enclosed pump.
When anti-explosion diesel engine is lighted a fire, cold start valve is pinned, the gases at high pressure in air accumulator pass through cold start
Valve action forces the valve to commutate, so as to control auxiliary pump unloading valve off-load on the auxiliary pump unloading valve of cold-starting device.Diesel oil
After machine starts, cold start valve is unclamped, it is automatically reset under the action of the spring, does not influence the normal use of vehicle.
Cold-starting device 3 can be made into an integral valve block, specifically include the main pump cold start-up being fixed on cold start-up valve body 7
The valve block that unloading valve 8 and auxiliary pump unloading valve 9 form, main pump cold start-up unloading valve 8 is the unloading valve for sensing differential pressure, auxiliary
It is two position and four-way reversing valves to pump unloading valve 9, and the P mouths of main pump cold start-up unloading valve 8 are communicated with 2 ＇ of hydraulic fluid port of cold start-up valve body 7, main
The K1 mouths of pump cold start-up unloading valve 8 are communicated with 1 ＇ of hydraulic fluid port of cold start-up valve body 7, the A mouths of main pump cold start-up unloading valve 8 and cold start-up
7 ＇ of hydraulic fluid port of valve body 7 is communicated；The P mouths of auxiliary pump unloading valve 9 are communicated with 3 ＇ of hydraulic fluid port of cold start-up valve body 7, auxiliary pump unloading valve 9
T mouthfuls communicate with 6 ＇ of hydraulic fluid port of cold start-up valve body 7, and the A mouths of auxiliary pump unloading valve 9 are communicated with 4 ＇ of hydraulic fluid port of cold start-up valve body 7, auxiliary
The B mouths of pump unloading valve 9 are communicated with 5 ＇ of hydraulic fluid port of cold start-up valve body 7.
Auxiliary pump 4 is gear pump or load sensitive pump.When auxiliary pump 4 is gear pump, the oil outlet of gear pump is connected with cold
Start 3 ＇ of hydraulic fluid port of valve body 7,4 ＇ of hydraulic fluid port of cold start-up valve body 7 is connected with the steering, braking, operation of oil cylinde machine of diesel oil explosion-proof vehicle
Structure, 6 ＇ of hydraulic fluid port of cold start-up valve body 7 are connected with plug, and 5 ＇ of hydraulic fluid port of cold start-up valve body 7 is connected with fuel tank.
Auxiliary pump 4 is load sensitive pump, 3 ＇ of hydraulic fluid port of cold start-up valve body 7 be connected with the steering of diesel oil explosion-proof vehicle, braking,
The load feedback signal of operation of oil cylinde mechanism, 4 ＇ of hydraulic fluid port of cold start-up valve body 7 are connected with the load feedback mouth of load sensitive pump；It is cold
5 ＇ of hydraulic fluid port for starting valve body 7 is connected with plug, and 6 ＇ of hydraulic fluid port of cold start-up valve body 7 is connected with fuel tank.
In addition, for not using the anti-explosion diesel engine vehicle of hydraulic traveling system system, cold-starting device 3 is even
1 ＇ of hydraulic fluid port, 2 ＇ of hydraulic fluid port, 7 ＇ of hydraulic fluid port are blocked when connecing.Remaining hydraulic fluid port is according to the type and full hydraulic drive for connecting pump
The auxiliary pump connection mode of vehicle is identical.
Claims (6)
1. a kind of cold-starting device of anti-explosion diesel engine vehicle, includes the air accumulator of vehicle self-carrying（1）, anti-explosion diesel engine（6）, it is auxiliary
Help pump（4）With walking enclosed pump（5）, it is characterised in that：Further include cold start valve（2）And cold-starting device（3）, cold start-up
Device（3）Including main pump cold start-up unloading valve（8）With auxiliary pump unloading valve（9）, main pump cold start-up unloading valve（8）It is to be used to sense
The unloading valve of pressure difference, auxiliary pump unloading valve（9）It is two position and four-way reversing valves, passes through cold start valve（2）So that in air accumulator
Gases at high pressure act on auxiliary pump unloading valve（9）Make its off-load that commutates, opened necessary to cut-out diesel-engine road vehicle self-operating
Extra load outside dynamic torque, utilizes cold-starting device（3）Realize the startup of vehicle.
A kind of 2. cold-starting device of anti-explosion diesel engine vehicle according to claim 1, it is characterised in that：Auxiliary pump off-load
Valve（9）Control mouth K2 be connected with cold start valve（2）A mouths, cold start valve（2）P mouths be connected with air accumulator（1）
Outlet, cold start valve（2）R mouths communicated with air；Enclosed of walking pump（5）Inside it is provided with repairing gear pump（10）And high pressure
Filter core（11）, main pump cold start-up unloading valve（8）P mouths be connected to repairing gear pump（10）Before the import for exporting filter core, main pump is cold
Start unloading valve（8）K1 mouths be connected with clearance filter（11）Outlet, main pump cold start-up unloading valve（8）A mouths be connected with oil
Case.
A kind of 3. cold-starting device of anti-explosion diesel engine vehicle according to claim 2, it is characterised in that：Auxiliary pump（4）
For gear pump or load sensitive pump.
A kind of 4. cold-starting device of anti-explosion diesel engine vehicle according to claim 1 or 2, it is characterised in that：Auxiliary pump
（4）For gear pump, the oil outlet of gear pump is connected with auxiliary pump unloading valve（9）P mouths, auxiliary pump unloading valve（9）A mouths connection
There are the steering, braking, operation of oil cylinde mechanism of diesel oil explosion-proof vehicle, auxiliary pump unloading valve（9）T mouths be connected with plug, auxiliary pump
Unloading valve（9）B mouths be connected with fuel tank.
A kind of 5. cold-starting device of anti-explosion diesel engine vehicle according to claim 1 or 2, it is characterised in that：Auxiliary pump
（4）For load sensitive pump, auxiliary pump unloading valve（9）P mouths be connected with the steering, braking, operation of oil cylinde machine of diesel oil explosion-proof vehicle
The load feedback signal of structure, auxiliary pump unloading valve（9）A mouths be connected with the load feedback mouth of load sensitive pump；Auxiliary pump off-load
Valve（9）B mouths be connected with plug, auxiliary pump unloading valve（9）T mouths be connected with fuel tank.
A kind of 6. cold-starting device of anti-explosion diesel engine vehicle according to claim 1 or 2 or 3, it is characterised in that：It is cold to open
Dynamic device（3）To be fixed on cold start-up valve body（7）On main pump cold start-up unloading valve（8）With auxiliary pump unloading valve（9）Composition
Valve block, main pump cold start-up unloading valve（8）P mouths and cold start-up valve body（7）2 ＇ of hydraulic fluid port communicate, main pump cold start-up unloading valve（8）
K1 mouths and cold start-up valve body（7）1 ＇ of hydraulic fluid port communicate, main pump cold start-up unloading valve（8）A mouths and cold start-up valve body（7）Oil
7 ＇ of mouth are communicated；Auxiliary pump unloading valve（9）P mouths and cold start-up valve body（7）3 ＇ of hydraulic fluid port communicate, auxiliary pump unloading valve（9）T mouths
With cold start-up valve body（7）6 ＇ of hydraulic fluid port communicate, auxiliary pump unloading valve（9）A mouths and cold start-up valve body（7）4 ＇ of hydraulic fluid port communicate,
Auxiliary pump unloading valve（9）B mouths and cold start-up valve body（7）5 ＇ of hydraulic fluid port communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094248.4U CN207261149U (en) | 2017-08-30 | 2017-08-30 | A kind of cold-starting device of anti-explosion diesel engine vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094248.4U CN207261149U (en) | 2017-08-30 | 2017-08-30 | A kind of cold-starting device of anti-explosion diesel engine vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261149U true CN207261149U (en) | 2018-04-20 |
Family
ID=61922645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721094248.4U Active CN207261149U (en) | 2017-08-30 | 2017-08-30 | A kind of cold-starting device of anti-explosion diesel engine vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524552A (en) * | 2017-08-30 | 2017-12-29 | 中国煤炭科工集团太原研究院有限公司 | A kind of cold-starting device of anti-explosion diesel engine vehicle |
-
2017
- 2017-08-30 CN CN201721094248.4U patent/CN207261149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524552A (en) * | 2017-08-30 | 2017-12-29 | 中国煤炭科工集团太原研究院有限公司 | A kind of cold-starting device of anti-explosion diesel engine vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9180764B2 (en) | Hydrostatic hybrid drive system | |
| CN103460564B (en) | Vehicle driving apparatus | |
| CN107524552A (en) | A kind of cold-starting device of anti-explosion diesel engine vehicle | |
| US20130014500A1 (en) | Drive Train of a Mobile Machine | |
| CN203623654U (en) | Double insurance brake system for small-sized loader | |
| CN207261149U (en) | A kind of cold-starting device of anti-explosion diesel engine vehicle | |
| CN201568386U (en) | Wheeled vehicle hydraulic auxiliary driving system | |
| CN107972650A (en) | Hydraulic-pneumatic composite braking system for the protection of flame proof rubber tyre vehicle band door | |
| CN201023524Y (en) | Hydraulic hybrid power bus auxiliary power steering unit | |
| CN106394660B (en) | The combined system of vehicle braking and steering | |
| CN106394663A (en) | Vehicle braking and steering combined system | |
| CN202326493U (en) | Oil supplementation buffer valve | |
| JPS62163865A (en) | Power steering gear for automobile | |
| CN207140912U (en) | Long-range water supply and sewage wrecking truck | |
| CN207809510U (en) | A kind of automobile-used steering boost system of electric | |
| CN107891910A (en) | A kind of automobile-used steering boost system of electric | |
| CN205098183U (en) | Parking brake system and vehicle | |
| CN203717113U (en) | Exhaust turbine pressure increasing delay compensation device | |
| CN205871739U (en) | Hybrid electric vehicle braking energy recovery unit | |
| CN206015778U (en) | Excavator rotation energy recovery system | |
| CN2325561Y (en) | Strong self-suction type centrifugal pump | |
| CN210554748U (en) | Brake system of pure electric off-highway rigid dump truck | |
| CN204978255U (en) | Loader walking braking energy retrieve and auxiliary driving means with trailer function | |
| CN214887602U (en) | System for driving oil-gas separator by utilizing compressed air of engine | |
| CN210372239U (en) | Quick pneumatic actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |