CN105545347A - Anti-explosion sprinkling truck - Google Patents
Anti-explosion sprinkling truck Download PDFInfo
- Publication number
- CN105545347A CN105545347A CN201510903311.3A CN201510903311A CN105545347A CN 105545347 A CN105545347 A CN 105545347A CN 201510903311 A CN201510903311 A CN 201510903311A CN 105545347 A CN105545347 A CN 105545347A
- Authority
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- China
- Prior art keywords
- water
- water pump
- tank
- valve
- mouth
- 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.)
- Granted
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- 238000004880 explosion Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 211
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000002828 fuel tank Substances 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 abstract description 17
- 239000007789 gas Substances 0.000 abstract description 2
- 230000008520 organization Effects 0.000 description 4
- 238000013475 authorization Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Abstract
Provided is an anti-explosion sprinkling truck, comprising a front frame, a rear frame, a main water tank, a waste gas treatment device, a water pump, and a water pump control system. The water pump control system comprises a hydraulic pump, a hydraulic motor, a filter, an overflow valve, a hand-operated direction valve, and a fuel tank. The oil outlet of the hydraulic pump is connected with the oil inlet of the overflow valve and the oil inlet P port of the hand-operated direction valve. The hydraulic motor drives the water pump to operate. The water pump control system also comprises a water pump solenoid valve, an explosive-proof power supply, and a liquid level switch. The execution port A port of the hand-operated direction valve is connected with the oil inlet P port of the water pump solenoid valve. The execution port A port of the water pump solenoid valve is connected with the oil inlet of the hydraulic motor. The execution port B port of the water pump solenoid valve and a return port are connected with the fuel tank. The terminal of the water pump solenoid valve is connected with the explosive-proof power supply. In the connection circuit of the water pump solenoid valve and the explosive-proof power supply, the liquid level switch is connected in series. The anti-explosion sprinkling truck can prevent the water pump from idle running, and can ensure exhaust gas which is not treated not to discharge.
Description
Technical field
The present invention relates to a kind of explosion-proof sprinkling truck.
Background technology
Sprinkle water in the ground of the explosion-proof sprinkling truck of underground mine use to tunnel; China's Authorization Notice No. is that CN203175614U utility model patent manual discloses a kind of underground mine use sprinkling truck; its sprinkler system adopts fluid motor-driven water pump; starting and the stopping of hydraulic control motor is come by the hand-operated direction valve in driver's cabin; often to there is in water tank lack of water and driver fails to find thus fail to close hand-operated direction valve in this explosion-proof sprinkling truck, such water pump makes water pump easily burn out because there is idle running in use.In addition, explosion-proof sprinkling truck is cooled by waste gas treatment tank the waste gas that motor is discharged and washs, the part pernicious gas removed charcoal cigarette and dissolve in waste gas, and extinguishes the flame in waste gas, to ensure exhaust, safety through Explosion-resistant pale.China's Authorization Notice No. is the waste gas treatment tank that CN203978574U utility model patent manual discloses a kind of underground coal mine vehicle, comprise large water tank, little water tank, the water of little water tank enters large water tank by syphon, ball float water level controlling organization is provided with in little water tank, ball float water level controlling organization is connected with filling pipe, filling pipe is generally connected with the water supply tank on vehicle, the setting height(from bottom) of water supply tank on vehicle is greater than the setting height(from bottom) of waste gas treatment tank, water level in waste gas treatment tank makes the water route of water supply tank and waste gas treatment tank connect lower than during desired height by ball float water level controlling organization, water in water supply tank relies on the effect of gravity to enter in the little water tank of waste gas treatment tank, clean water in little water tank is filled in large water tank by syphon according to the principle of siphonage.When anhydrous in water supply tank, even if large water tank water level is lower, do not have water can fill in little water tank, cause large water tank water level not up to standard, waste gas can not get process.The waste gas that underground coal mine is not treated be do not allow discharge, above-mentioned utility model arranges level sensor in large water tank for this reason, for feeding back the water yield of large water tank, but make the structure of waste gas treatment tank loaded down with trivial details, and the sewage in large water tank can make the ball float of level sensor not easily move up and down along measuring guide, measuring-signal is inaccurate.
Summary of the invention
The object of the invention is to propose a kind of water pump that prevents dally and the explosion-proof sprinkling truck that not treated waste gas does not discharge can be ensured.
For achieving the above object, the present invention takes following technical scheme: the present invention includes front frame, Rear frame, main water box, emission-control equipment and water pump and control system of water pump, forward and backward vehicle frame is hinged, emission-control equipment is arranged in front frame, main water box is arranged in Rear frame, and water pump is connected on the outlet pipe of main water box, control system of water pump comprises hydraulic pump, hydraulic motor, strainer, overflow valve, hand-operated direction valve, fuel tank, the oil-in of above-mentioned hydraulic pump is connected with fuel tank by strainer, the oil-out of hydraulic pump respectively with the oil-in of overflow valve, the oil inlet P mouth of hand-operated direction valve is connected, the oil return inlet T mouth of hand-operated direction valve, the oil-out of overflow valve and the oil-out of hydraulic motor are all connected with fuel tank, hydraulic motor drives pump working, control system of water pump comprises and also comprises electromagnetic valve for water pump, flame proof power supply, liquid-level switch, the execution mouth A mouth of described hand-operated direction valve is connected with the oil inlet P mouth of electromagnetic valve for water pump, the execution mouth A mouth of electromagnetic valve for water pump is connected with the oil-in of hydraulic motor, the execution mouth B mouth of electromagnetic valve for water pump is all connected with fuel tank with oil return inlet T mouth, the terminals of electromagnetic valve for water pump are connected with flame proof power supply, liquid-level switch is serially connected with in the connection line of electromagnetic valve for water pump and flame proof power supply.
Described liquid-level switch is fixed on the cover plate for manhole of main water box top, and the detecting element of liquid-level switch inserts in main water box.
Described emission-control equipment comprises large water tank, little water tank, filling pipe, water supply tank, solenoid valve for water, monitoring host computer and flame-out cylinder solenoid valve, little water tank is in large water tank, greatly, connected by syphon between little water tank, described filling pipe one end is connected with water supply tank, the other end leads to little water tank through the tank wall of large water tank, above-mentioned solenoid valve for water is connected in filling pipe, monitoring host computer has electric controller, level sensor is provided with in little water tank, the holding wire of level sensor, the flame-out control line of cylinder solenoid valve is all connected with the electric controller in monitoring host computer with the control line of solenoid valve for water, connect when electric controller controls solenoid valve for water, water supply tank is to little water tank moisturizing, simultaneously, timer in monitoring host computer starts timing, timer arrives the time of setting, electric controller does not receive the signal of level sensor, namely electric controller controls flame-out cylinder solenoid valve and connects, flame-out cylinder quits work, engine misses.
Above-mentioned level sensor comprises sound-pipe and to be enclosed within sound-pipe and can the ball float of movement on sound-pipe.
The present invention has following good effect: (1) control system of water pump of the present invention arranges electromagnetic valve for water pump and liquid-level switch, electromagnetic valve for water pump is controlled by liquid-level switch, when main water box lack of water, main solenoid valve is in obtain electricity condition, and electromagnetic valve for water pump is obstructed, under this state, the pressure oil of hydraulic pump does not enter hydraulic motor by electromagnetic valve for water pump, and hydraulic motor can not rotate, and water pump certainly can not be driven to rotate, thus prevent water pump idle running phenomenon, to improve the application life of water pump.(2) the present invention is by being arranged on the middle part at main water box top by liquid-level switch, makes vehicle all Water in Water Tanks position can be detected exactly when climb and fall.(3) the present invention takes in little water tank, arrange level sensor replacement ball float water level controlling organization, cancel the level sensor in large water tank, the structure of emission-control equipment is simplified, owing to being clean water in little water tank, ball float easily moves up and down along measuring sound-pipe, makes measuring-signal accurate.(4) the present invention utilizes the timer in monitoring host computer, when moisturizing, arrive setting-up time, electric controller does not receive the signal of level sensor, namely electric controller controls flame-out cylinder solenoid valve and connects, and flame-out cylinder quits work, engine misses, motor does not have waste gas to produce, and ensure that not treated waste gas does not discharge.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present invention;
Fig. 2 is control system of water pump schematic diagram;
Fig. 3 is emission-control equipment schematic diagram.
Detailed description of the invention
Embodiment 1
See Fig. 1-2, the present embodiment comprises front frame, Rear frame, main water box 1, emission-control equipment 2 and water pump 3 and control system of water pump 4.
Described forward and backward vehicle frame is hinged, and emission-control equipment 2 is arranged in front frame, and main water box 1 is arranged in Rear frame, and water pump 3 is connected on the outlet pipe of main water box 1.
Control system of water pump 4 comprises electromagnetic valve for water pump 4-1, flame proof power supply 4-2, liquid-level switch 4-3, hydraulic pump 4-4, hydraulic motor 4-5, fuel tank 4-6, strainer 4-7, overflow valve 4-8, hand-operated direction valve 4-9.Described liquid-level switch 4-3 is arranged on the middle part at main water box 1 top, manhole due to main water box 1 is generally arranged on the middle part at top, the present embodiment is just arranged on liquid-level switch 4-3 on cover plate for manhole, and the detecting element of liquid-level switch 4-3 inserts in main water box 1.Detecting element comprises switch sound-pipe 4-3-1 and to be enclosed within switch sound-pipe 4-3-1 and can the switch ball float 4-3-2 of movement on switch sound-pipe 4-3-1.
The oil-in of described hydraulic pump 4-4 is connected with fuel tank 4-6 by strainer 4-7, the oil-out of hydraulic pump 4-4 respectively with the oil-in of overflow valve 4-8, the oil inlet P mouth of hand-operated direction valve 4-9 is connected, the execution mouth A mouth of hand-operated direction valve 4-9 is connected with the oil inlet P mouth of electromagnetic valve for water pump 4-1, the execution mouth A mouth of electromagnetic valve for water pump 4-1 is connected with the oil-in of hydraulic motor 4-5, the terminals of electromagnetic valve for water pump 4-1 are connected with flame proof power supply 4-2, liquid-level switch 4-3 is serially connected with in the connection line of electromagnetic valve for water pump 4-1 and flame proof power supply 4-2, the oil return inlet T mouth of hand-operated direction valve 4-9, the oil-out of overflow valve 4-8 and the oil-out of hydraulic motor 4-5 are all connected with fuel tank 4-6, the execution mouth B mouth of electromagnetic valve for water pump 4-1 is all connected with fuel tank 4-6 with oil return inlet T mouth, hydraulic motor 4-5 drives water pump 4-6 work.
Switch ball float 4-3-2 in main water box 1 does not sink to designated water level, liquid-level switch 4-3 can not connect circuit, electromagnetic valve for water pump 4-1 is in power failure state, the P mouth of electromagnetic valve for water pump 4-1 communicates with A mouth, operate hand-operated direction valve 4-9 under this state, get final product starting and the stopping of hydraulic control motor 4-5.When the water level in main water box 1 reduces, the switch ball float 4-3-2 of liquid-level switch 4-3 sinks to designated water level, liquid-level switch 4-3 connects circuit, electromagnetic valve for water pump 4-1 is in obtain electricity condition, P mouth and the A mouth of electromagnetic valve for water pump 4-1 are obstructed, even if do not close hand-operated direction valve 4-9 under this state, namely when the P mouth of hand-operated direction valve 4-9 communicates with A mouth, the pressure oil of hydraulic pump 4-4 can not enter hydraulic motor 4-5 by electromagnetic valve for water pump 4-1, hydraulic motor 4-5 can not rotate, and water pump 3 also just can not be driven to rotate.
See Fig. 3, described emission-control equipment 2 comprises large water tank 2-1, little water tank 2-2, filling pipe 2-6, water supply tank 2-8, solenoid valve for water 2-7, flame-out cylinder solenoid valve 2-9 and monitoring host computer 2-10, little water tank 2-2 is in large water tank 2-1, greatly, little water tank 2-1, connected by syphon 2-3 between 2-2, during the water level of the water level in little water tank 2-2 higher than large water tank 2-1, water in little water tank 2-2 fills in large water tank 2-1 by syphon 2-3, the end face of large water tank 2-1 fixes a level sensor 2-5, the sound-pipe 2-5-1 of level sensor 2-5 and ball float 2-5-2 inserts in little water tank 1-2, ball float 2-5-2 slides up and down along sound-pipe 2-5-1 according to the water level in little water tank 2-2.
Described little water tank 2-2 is in the side of large water tank, the lateral surface of this side box wall of little water tank 2-2 is affixed to the medial surface of the corresponding side box wall of large water tank 2-1, the tank wall bottom that large water tank 2-1 and little water tank 2-2 is affixed has hole, the tank wall of the through little water tank 2-2 in hole, joint 2-4 is fixed with in hole, one end of filling pipe 2-6 is connected with water supply tank 2-8, the other end of filling pipe 2-6 is connected with joint 2-4, the tank wall making filling pipe pass large water tank 2-1 leads to little water tank 2-2, connects described solenoid valve for water 2-7 in filling pipe 2-3.
Described water level controller 2-5 is connected by holding wire with the electric controller in monitoring host computer 2-10, the control line of described solenoid valve for water 2-7 is connected with the electric controller in monitoring host computer 2-10, and the electric controller of monitoring host computer 2-10 is connected with the control line of the flame-out cylinder solenoid valve 2-9 controlling flame-out cylinder.
When the water level in large water tank 2-1 reduces, water in little water tank 2-2 enters large water tank 2-1 by syphon 2-3, ball float 2-5-2 in little water tank sinks, level sensor 2-5 passes to the electric controller in monitoring host computer 2-10 this signal, when the water level in little water tank is lower than the height set, electric controller in monitoring host computer 2-10 makes solenoid valve for water 2-7 terminals be energized, solenoid valve for water 2-7 connects, when having water in water supply tank, the water in water supply tank 2-8 fills in little water tank 2-2 under gravity.Timer simultaneously in monitoring host computer 2-10 starts timing, and the time of timer sets is 1 minute, and in little water tank 2-2 after water inlet, ball float 2-5-2 floats, and timer resets.When anhydrous in water supply tank 2-8, timer reaches the time of setting, electric controller confiscates the signal of level sensor 2-5, the terminals energising of the flame-out cylinder solenoid valve 2-9 of order, flame-out cylinder solenoid valve 2-9 action control stops working cylinder, make engine misses, namely engine misses discharge without waste gas.
Claims (4)
1. an explosion-proof sprinkling truck, comprise front frame, Rear frame, main water box (1), emission-control equipment (2) and water pump (3) and control system of water pump (4), forward and backward vehicle frame is hinged, emission-control equipment (2) is arranged in front frame, main water box (1) is arranged in Rear frame, and water pump (3) is connected on the outlet pipe of main water box (1), control system of water pump (4) comprises hydraulic pump (4-4), hydraulic motor (4-5), strainer (4-7), overflow valve (4-8), hand-operated direction valve (4-9), fuel tank (4-6), the oil-in of above-mentioned hydraulic pump (4-4) is connected with fuel tank (4-6) by strainer (4-7), the oil-out of hydraulic pump (4-4) respectively with the oil-in of overflow valve (4-8), the oil inlet P mouth of hand-operated direction valve (4-9) is connected, the oil return inlet T mouth of hand-operated direction valve (4-9), the oil-out of overflow valve (4-8) and the oil-out of hydraulic motor (4-5) are all connected with fuel tank (4-6), hydraulic motor (4-5) drives water pump (4-6) to work, it is characterized in that: control system of water pump comprises and also comprises electromagnetic valve for water pump (4-1), flame proof power supply (4-2), liquid-level switch (4-3), the execution mouth A mouth of described hand-operated direction valve (4-9) is connected with the oil inlet P mouth of electromagnetic valve for water pump (4-1), the execution mouth A mouth of electromagnetic valve for water pump (4-1) is connected with the oil-in of hydraulic motor (4-5), the execution mouth B mouth of electromagnetic valve for water pump (4-1) is all connected with fuel tank (4-6) with oil return inlet T mouth, the terminals of electromagnetic valve for water pump (4-1) are connected with flame proof power supply (4-2), liquid-level switch (4-3) is serially connected with in electromagnetic valve for water pump (4-1) and the connection line of flame proof power supply (4-2).
2. explosion-proof sprinkling truck according to claim 1, is characterized in that: described liquid-level switch (4-3) is arranged on main water box (1) crown center position.
3. explosion-proof sprinkling truck according to claim 1, it is characterized in that: emission-control equipment (2) comprises large water tank (2-1), little water tank (2-2), filling pipe (2-6), water supply tank (2-8), solenoid valve for water (2-7), monitoring host computer (2-10) and flame-out cylinder solenoid valve (2-9), little water tank (2-2) is in large water tank (2-1), greatly, little water tank (2-1, connected by syphon (2-3) 2-2), described filling pipe (2-6) one end is connected with water supply tank (2-8), the other end leads to little water tank (2-2) through the tank wall of large water tank (2-1), above-mentioned solenoid valve for water (2-7) is connected in filling pipe (2-6), monitoring host computer (2-10) has electric controller, level sensor (2-5) is provided with in little water tank (2-2), the holding wire of level sensor (2-5), the flame-out control line of cylinder solenoid valve (2-9) is all connected with the electric controller in monitoring host computer (2-10) with the control line of solenoid valve for water (2-7), connect when electric controller controls solenoid valve for water (2-7), water supply tank (2-8) is to little water tank (2-2) moisturizing, simultaneously, timer in monitoring host computer (2-10) starts timing, timer arrives the time of setting, electric controller does not receive the signal of level sensor (2-5), namely electric controller controls flame-out cylinder solenoid valve (2-9) and connects, flame-out cylinder quits work, engine misses.
4. explosion-proof sprinkling truck according to claim 3, is characterized in that: level sensor (2-5) comprises sound-pipe (2-5-1) and is enclosed within sound-pipe (2-5-1) to be gone up and the ball float (2-5-2) going up movement at sound-pipe (2-5-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903311.3A CN105545347B (en) | 2015-12-09 | 2015-12-09 | The explosion-proof sprinkling truck of underground mine use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903311.3A CN105545347B (en) | 2015-12-09 | 2015-12-09 | The explosion-proof sprinkling truck of underground mine use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105545347A true CN105545347A (en) | 2016-05-04 |
| CN105545347B CN105545347B (en) | 2018-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510903311.3A Active CN105545347B (en) | 2015-12-09 | 2015-12-09 | The explosion-proof sprinkling truck of underground mine use |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640614A (en) * | 2016-12-27 | 2017-05-10 | 常州科研试制中心有限公司 | Control system for vacuum pump of suction-type sewer scavenger |
| CN108118652A (en) * | 2016-11-30 | 2018-06-05 | 比亚迪股份有限公司 | Sprinkling truck and its sprinkling control method and device |
| RU182158U1 (en) * | 2018-01-29 | 2018-08-06 | Дмитрий Васильевич Данелюк | PUMP PUMP |
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| 刘开华等: "虹吸现象在防爆洒水车及防爆废气箱设计时的应用", <煤矿机械> * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108118652A (en) * | 2016-11-30 | 2018-06-05 | 比亚迪股份有限公司 | Sprinkling truck and its sprinkling control method and device |
| CN106640614A (en) * | 2016-12-27 | 2017-05-10 | 常州科研试制中心有限公司 | Control system for vacuum pump of suction-type sewer scavenger |
| CN106640614B (en) * | 2016-12-27 | 2018-03-16 | 常州科研试制中心有限公司 | Suction-type sewer scavenger vacuum pump control system |
| RU182158U1 (en) * | 2018-01-29 | 2018-08-06 | Дмитрий Васильевич Данелюк | PUMP PUMP |
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| CN105545347B (en) | 2018-03-16 |
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