CN108317114A - A kind of automobile-used feeding equipment control system of sand throwing fire extinguishing - Google Patents
A kind of automobile-used feeding equipment control system of sand throwing fire extinguishing Download PDFInfo
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- CN108317114A CN108317114A CN201810261825.7A CN201810261825A CN108317114A CN 108317114 A CN108317114 A CN 108317114A CN 201810261825 A CN201810261825 A CN 201810261825A CN 108317114 A CN108317114 A CN 108317114A
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- hydraulic cylinder
- chamber
- valve
- side hydraulic
- big chamber
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- 239000004576 sand Substances 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 101
- 239000003921 oil Substances 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 41
- 239000002828 fuel tank Substances 0.000 claims abstract description 19
- 239000010727 cylinder oil Substances 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
- F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/07—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors in distinct sequence
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention relates to a kind of automobile-used feeding equipment control systems of sand throwing fire extinguishing, belong to hydraulic pressure and electrical applications technical field, including actuating unit, fuel tank, hydraulic pump, detection valve, two-position four-way solenoid directional control valve, control valve, left side hydraulic cylinder, intermediate hydraulic cylinder, right side hydraulic cylinder, it is characterized in that, actuating unit provides power to hydraulic pump;Hydraulic pump is connected to fuel tank;Hydraulic pump oil outlet P connection two-position four-way solenoid directional control valves, two-position four-way solenoid directional control valve are connected with detection valve.This control system realizes the feeding and discharging of material by controlling the break-make of hydraulic cylinder oil circuit, the amount of feeding of detection material in real time, hydraulic system is controlled, material is avoided to feed the generation of excessive putty, complete machine is set to be operated in optimal working point, human operational error is greatly reduced, the advantages that material large carrying capacity, integrated level are high, simple system is reliable is provided simultaneously with.
Description
Technical field
The present invention relates to a kind of automobile-used feeding equipment control systems of sand throwing fire extinguishing, belong to hydraulic pressure and electrical applications technology neck
Domain.
Background technology
Sand throwing extinguishing vehicle is applied to fire-fighting, can be used for avoiding water, foam, carbon dioxide special fire put out, improving
Fire-fighting efficiency reduces in rescue danger etc. development and has played great function, is related to the hair continuously and healthily of national economy
Exhibition.Domestic large size sand throwing extinguishing vehicle is also in blank stage, since the feeding equipment of sand throwing extinguishing vehicle is main executing agency,
Needing individual storage device to occupy using traditional belt conveying, vehicle space is big, and feeding equipment has carrying storage and conveying object
The dual property of material, and the amount of feeding of material can not be detected in real time in the prior art, control effectively to hydraulic system, material
Putty can occur for feeding process, it is difficult to complete machine be made to be operated in optimal working point.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of automobile-used feeding equipment control systems of sand throwing fire extinguishing.This control
System realizes the feeding and discharging of material by controlling the break-make of hydraulic cylinder oil circuit, the amount of feeding of material is detected in real time, to hydraulic pressure
System is controlled, and avoids material from feeding the generation of excessive putty, complete machine is made to be operated in optimal working point, is greatly reduced artificial
Operation error is provided simultaneously with the advantages that material large carrying capacity, integrated level are high, simple system is reliable.
In order to achieve the above-mentioned object of the invention, the present invention uses following technical scheme:A kind of automobile-used feeding equipment of sand throwing fire extinguishing
Control system, including actuating unit, fuel tank, hydraulic pump, detection valve, two-position four-way solenoid directional control valve, control valve, left side hydraulic pressure
Cylinder, intermediate hydraulic cylinder, right side hydraulic cylinder, which is characterized in that actuating unit provides power to hydraulic pump;Hydraulic pump connects with fuel tank
It is logical;Hydraulic pump oil outlet P connection two-position four-way solenoid directional control valves, two-position four-way solenoid directional control valve are connected with detection valve;Detect valve
A, respectively it is divided into two-way for B mouthfuls, A mouthfuls are connected with the big chamber in right side hydraulic cylinder lower end all the way, and another way is connected with control valve;Detect B mouthfuls of valve
It is connected all the way with the big chamber in left side hydraulic cylinder upper end, another way is connected with control valve;Control valve is A1 mouthfuls big with left side hydraulic cylinder lower end
Chamber is connected, and B1 mouthfuls of control valve is connected with the big chamber in right side hydraulic cylinder upper end;The big chamber in left side hydraulic cylinder upper end and left side hydraulic cylinder lower end
Small chamber is connected, and the big chamber in left side hydraulic cylinder upper end passes through left side hydraulic cylinder upper end check valve and the big chamber phase in intermediate hydraulic cylinder upper end
Even;The intermediate big chamber in hydraulic cylinder upper end is connected with the small chamber in intermediate hydraulic cylinder lower end, and the big chamber in intermediate hydraulic cylinder upper end passes through intermediate fluid
Cylinder pressure upper end check valve is connected with the big chamber in right side hydraulic cylinder upper end;The big chamber in right side hydraulic cylinder upper end and the small chamber in right side hydraulic cylinder lower end
It is connected;The big chamber in right side hydraulic cylinder lower end is connected with the small chamber in right side hydraulic cylinder upper end, and the big chamber in right side hydraulic cylinder lower end passes through right side
Hydraulic cylinder lower end check valve is connected with the big chamber in intermediate hydraulic cylinder lower end;The intermediate big chamber in hydraulic cylinder lower end and intermediate hydraulic cylinder upper end are small
Chamber is connected, and is connected with the big chamber in left side hydraulic cylinder lower end by intermediate hydraulic cylinder lower end check valve;The big chamber in left side hydraulic cylinder lower end
It is connected with the small chamber in left side hydraulic cylinder upper end.
Further, overflow valve is connect by hydraulic pump oil outlet P.The oil return line of the control system connects filter.
Detecting valve includes:Reversal valve, reversing bar, detection lug II, detection lug I;Reversing bar connects reversal valve, and reversing bar is not
With position connecting detection piece II, detection lug I.
Left side hydraulic cylinder includes:The big chamber in lower end, the small chamber in lower end, the big chamber in upper end, upper end check valve, the small chamber in upper end, detection plate
II, the first mount holder;The big chamber in lower end, the small chamber in lower end separate in lower cylinder body and by piston and piston rod, the big chamber position in lower end
Below the small chamber in lower end;The big chamber in upper end, the small chamber in upper end separate in upper cylinder body and by piston and piston rod, and the big chamber in upper end is located at
Above the small chamber in upper end;Upper end check valve is connected to left side hydraulic cylinder upper end and is connected to the big chamber in upper end;First mount holder is fixed
In being equipped with detection plate II on left side hydraulic cylinder piston rod, the first mount holder;Detection plate II is used for the detection lug with detection valve
II contact is detached from;When detection plate II touches the detection lug II of detection valve, valve commutation work is detected.The big chamber in lower end, lower end are small
Chamber, the big chamber in upper end, the small chamber in upper end magnitude relationship be not certain, can change with the mobile magnitude relationship of piston rod,
The big chamber in lower end, the small chamber in lower end are in the lower cylinder body of left side hydraulic cylinder and the big chamber in lower end is located at below the small chamber in lower end;The big chamber in upper end, on
It holds small chamber in upper cylinder body and the big chamber in upper end is located above the small chamber in upper end, it is the same below.It is referred to as the second chamber of lower end, lower end
One chamber, the first chamber of upper end, the second chamber of upper end, it is the same below.
Intermediate hydraulic cylinder includes:Lower end check valve, the big chamber in lower end, the big chamber in upper end, upper end check valve, the small chamber in upper end, lower end
Small chamber, the second mount holder;The big chamber in lower end, the small chamber in lower end separate in lower cylinder body and by piston and piston rod, the big chamber in lower end
Below the small chamber in lower end;The big chamber in upper end, the small chamber in upper end separate in upper cylinder body and by piston and piston rod, the big chamber position in upper end
Above the small chamber in upper end;Upper end check valve is connected to intermediate hydraulic cylinder upper end and is connected to the big chamber in upper end;Second mount holder is solid
Due on intermediate hydraulic cylinder piston rod;Lower end check valve be connected to the lower end of intermediate hydraulic cylinder and with the intermediate big chamber in hydraulic cylinder lower end
Connection.
Right side hydraulic cylinder includes:Lower end check valve, the big chamber in lower end, the big chamber in upper end, the small chamber in upper end, the small chamber in lower end, third bottom
Board mount, detection plate I;The big chamber in lower end, the small chamber in lower end separate in lower cylinder body and by piston and piston rod, and the big chamber in lower end is located at
Below the small chamber in lower end;The big chamber in upper end, the small chamber in upper end separate in upper cylinder body and by piston and piston rod, and the big chamber in upper end is located at upper
It holds above small chamber;Upper end check valve is connected to the top of right side hydraulic cylinder upper cylinder and is connected to the big chamber in upper end;Lower end is unidirectional
Valve is connected to the lower end of right side hydraulic cylinder and is connected to the big chamber in right side hydraulic cylinder lower end;Third mount holder is fixed on right side hydraulic pressure
On cylinder piston rod;It is fixed on the third mount holder of right side hydraulic cylinder piston rod and detection plate I is installed;Detection plate I be used for
It detects the contact of detection lug I of valve or is detached from;When detection plate I touches the detection lug I of detection valve, valve commutation work is detected.
When control system off-load, actuating unit makes hydraulic pump from fuel tank oil suction, and the fluid that hydraulic pump pumps out enters two four
The right position of three-way electromagnetic valve simultaneously returns to fuel tank, control system off-load.
Downwards when charging, the electromagnet Y1 of two-position four-way solenoid directional control valve obtains electric, and hydraulic pump is from fuel tank oil suction, hydraulic pump pump
The fluid gone out is divided into two-way after two-position four-way solenoid valve left position is using the right position of detection valve, and fluid is by A mouthfuls of valve of detection all the way
Into the big chamber in right side hydraulic cylinder lower end and the small chamber in right side hydraulic cylinder upper end being connected with the big chamber in right side hydraulic cylinder lower end, make right side liquid
The lower end check valve of cylinder pressure open to fluid all the way enter the big chamber in intermediate hydraulic cylinder lower end and with the intermediate big chamber in hydraulic cylinder lower end
The connected intermediate small chamber in hydraulic cylinder upper end;Another way fluid enters the big chamber in left side hydraulic cylinder lower end for right position A1 mouthfuls by control valve
The small chamber in left side hydraulic cylinder upper end being connected with the big chamber in left side hydraulic cylinder lower end;
The big chamber in left side hydraulic cylinder upper end and the small chamber in left side hydraulic cylinder lower end being connected with the big chamber in left side hydraulic cylinder upper end pass through detection
B mouthfuls of oil returns of valve, the piston rod of left side hydraulic cylinder drive the first mount holder movement being secured to, are fixed on the first mount holder
On bottom plate stretch out upwards;Under the big chamber in upper end of right side hydraulic cylinder and the right side hydraulic cylinder being connected with the big chamber in right side hydraulic cylinder upper end
Small chamber is held to be connected for right position B1 mouthfuls with control valve, and due to the upper end check valve of intermediate hydraulic cylinder, oil return line blocks, right side hydraulic cylinder
It remains stationary as;Intermediate hydraulic cylinder is returned due to the effect of the upper end check valve of left side hydraulic cylinder, the upper end check valve of intermediate hydraulic cylinder
Oil circuit blocks, and intermediate hydraulic cylinder remains stationary as;
When left side, hydraulic cylinder moves up to stroke terminal, left side hydraulic cylinder upper end check valve is opened, intermediate hydraulic cylinder
Way to cycle oil is opened, and the piston rod of intermediate hydraulic cylinder drives the second mount holder movement being secured to, and is fixed on the second bottom
Bottom plate on board mount stretches out upwards;Left side hydraulic cylinder is remained stationary as with right side hydraulic cylinder;
When intermediate fluid cylinder pressure moves up to stroke terminal, intermediate hydraulic cylinder upper end check valve is opened, and right side hydraulic cylinder returns
Oily access is opened, and right side hydraulic cylinder piston rod drives the third mount holder movement being secured to, and is fixed on third bottom plate branch
Bottom plate on frame stretches out upwards;Left side hydraulic cylinder is remained stationary as with intermediate hydraulic cylinder;Material remains stationary in the process;
It is fixed on the third mount holder of right side hydraulic cylinder piston rod and detection plate I is installed, when right side hydraulic cylinder to row
When journey terminal, fixed detection lug I on the touching detection valve reversing bar of detection plate I, detection valve commutation is switched to left position work.
The work of valve left position is detected, hydraulic pump is from fuel tank oil suction, a left side of the fluid through two-position four-way solenoid valve that hydraulic pump pumps out
Position is using left position B mouthfuls of valve of detection, into the big chamber in left side hydraulic cylinder upper end and the small chamber in left side hydraulic cylinder lower end being attached thereto, oil
Liquid opens the intermediate hydraulic cylinder lower end that left side hydraulic cylinder upper end check valve enters the intermediate big chamber in hydraulic cylinder upper end and is attached thereto again
Small chamber opens the right side hydraulic cylinder lower end that intermediate hydraulic cylinder upper end check valve enters the right side big chamber in hydraulic cylinder upper end and is attached thereto
Small chamber;The big chamber in left side hydraulic cylinder lower end and the small chamber in left side hydraulic cylinder upper end that is attached thereto by the right position A1 mouthfuls of oil returns of control valve,
It the intermediate big chamber in hydraulic cylinder lower end and is attached thereto, the intermediate small chamber in hydraulic cylinder upper end opens intermediate hydraulic cylinder lower end check valve, leads to
The big chamber in left side hydraulic cylinder lower end and the right position A1 mouthfuls of oil returns of control valve are crossed, right end hydraulic cylinder is by detecting left position A mouthfuls of oil return of valve;Left side
Hydraulic cylinder, intermediate hydraulic cylinder, right side hydraulic cylinder piston rod drive mount holder fixed thereto to move jointly, every group of bottom plate one
It rises and moves downward, materials downward;It is fixed on the first mount holder of left side hydraulic cylinder piston rod and detection plate II is installed,
When the piston rod of left side hydraulic cylinder, intermediate hydraulic cylinder, right side hydraulic cylinder is moved to stroke terminal(That is stroke bottom)When, inspection
Fixed detection lug II on the touching detection valve reversing bar of drafting board II, detection valve commutation are switched to right position work.
Compared with the existing technology, beneficial effects of the present invention are:The break-make that this control system passes through control hydraulic cylinder oil circuit
It realizes the feeding and discharging of material, detects the amount of feeding of material in real time, hydraulic system is controlled, avoid material feeding excessive
The generation of putty makes complete machine be operated in optimal working point, greatly reduces human operational error, is provided simultaneously with material bearing capacity
Greatly, the advantages that integrated level is high, simple system is reliable.
Description of the drawings
Fig. 1 sand throwings are put out a fire automobile-used feeding equipment hydraulic system principle figure, and piston rod is located among hydraulic cylinder travel in Fig. 1;
Fig. 2 detects valve automatic reverse schematic diagram;
The assembly structure diagram of Fig. 3 mount holders, bottom plate, hydraulic cylinder;
In figure:1- engines, 2- fuel tanks, 3- hydraulic pumps, 4- filters, 5- overflow valves, 6- two-position four-ways solenoid directional control valve, 7- inspections
Side valve, 8- control valves, hydraulic cylinder on the left of 9-, hydraulic cylinder among 10-, hydraulic cylinder on the right side of 11-, 7.1- reversal valves, 7.2- reversing bars,
7.3- detection lugs II, 7.4- detection lugs I, the big chamber in the lower ends 9.1-, the small chamber in the lower ends 9.2-, the big chamber in the upper ends 9.3-, the upper ends 9.4- are unidirectional
Valve, the small chamber in the upper ends 9.5-, 9.6- detection plates II, the first mount holders of 9.7-, the lower ends 10.1- check valve, the big chamber in the lower ends 10.2-,
The big chamber in the upper ends 10.3-, the upper ends 10.4- check valve, the small chamber in the upper ends 10.5-, the small chamber in the lower ends 10.6-, the second mount holders of 10.7-,
The lower ends 11.1- check valve, the big chamber in the lower ends 11.2-, the big chamber in the upper ends 11.3-, the small chamber in the upper ends 11.4-, the small chamber in the lower ends 11.5-, 11.6-
Third mount holder, 11.7- detection plates I, 12 bottom plates.
Specific implementation mode
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The various aspects of restriction can be combined with any other one side or many aspects, can not be combined unless explicitly stated otherwise.Especially,
Be considered as preferred or advantageous any feature can be considered as preferred or advantageous feature group with other one or more
It closes.
According to Fig. 1-2, a kind of automobile-used feeding equipment control system of sand throwing fire extinguishing includes:Engine 1(That is actuating unit), oil
Case 2, hydraulic pump 3, filter 4, overflow valve 5, two-position four-way solenoid directional control valve 6, detection valve 7, control valve 8, left side hydraulic cylinder 9,
Intermediate hydraulic cylinder 10, right side hydraulic cylinder 11.
Detecting valve 7 includes:Reversal valve 7.1, reversing bar 7.2, detection lug II 7.3, detection lug I 7.4.
Left side hydraulic cylinder 9 includes:The big chamber 9.1 in lower end, the small chamber 9.2 in lower end, the big chamber 9.3 in upper end, upper end check valve 9.4, on
Hold small chamber 9.5, detection plate II 9.6, the first mount holder 9.7.
Intermediate hydraulic cylinder 10 includes:Lower end check valve 10.1, the big chamber 10.2 in lower end, the big chamber 10.3 in upper end, upper end check valve
10.4, the small chamber 10.5 in upper end, the small chamber 10.6 in lower end, the second mount holder 10.7.
Right side hydraulic cylinder 11 includes:Lower end check valve 11.1, the big chamber 11.2 in lower end, the big chamber 11.3 in upper end, the small chamber in upper end
11.4, the small chamber 11.5 in lower end, third mount holder 11.6, detection plate I 11.7.
Engine 1 drives hydraulic pump 3, makes hydraulic pump 3 from 2 oil suction of fuel tank, hydraulic pump oil outlet P(I.e. main oil inlet P)It connects
Two-position four-way solenoid directional control valve 6, two-position four-way solenoid directional control valve 6 are connected with detection valve 7.Detect 7 A of valve(Work oil inlet)、B
(Work oil return opening)Mouth is respectively divided into two-way, and A mouthfuls are connected with the big chamber in 11 lower end of right side hydraulic cylinder 11.2 all the way, all the way with control valve 8
It is connected;B mouthfuls are connected with the big chamber in 9 upper end of left side hydraulic cylinder 9.3 all the way, are connected all the way with control valve 8.8 A1 mouthfuls of control valve(Work
Oil inlet)It is connected with the big chamber in 9 lower end of left side hydraulic cylinder 9.1, B1 mouthfuls of control valve(Work oil return opening)With 11 upper end of right side hydraulic cylinder
Big chamber 11.3 is connected.The small chamber in the big chamber 9.3 in 9 upper end of left side hydraulic cylinder and lower end 9.2 is connected, and the big chamber in upper end 9.3 passes through left side liquid
The big chamber in 9 upper end check valve 9.4 of cylinder pressure and intermediate 10 upper end of hydraulic cylinder 10.3 is connected.The big chamber in 10 upper end of intermediate hydraulic cylinder 10.3 is under
Small chamber 10.6 is held to be connected, and the big chamber 10.3 in intermediate 10 upper end of hydraulic cylinder passes through 10 upper end check valve 10.4 of intermediate hydraulic cylinder and right side
The big chamber 11.3 in 11 upper end of hydraulic cylinder is connected.The small chamber in the big chamber 11.3 in 11 upper end of right side hydraulic cylinder and lower end 11.5 is connected.Right side hydraulic pressure
The small chamber in the big chamber 11.2 in 11 lower end of cylinder and upper end 11.4 is connected, and the big chamber 11.2 in lower end passes through 11 lower end check valve of right side hydraulic cylinder
11.1 are connected with the big chamber in intermediate 10 lower end of hydraulic cylinder 10.2.The big chamber 10.2 in 10 lower end of intermediate hydraulic cylinder and small 10.5 phase of chamber in upper end
Even, and by the big chamber in 10 lower end check valve 10.1 of intermediate hydraulic cylinder and 9 lower end of left side hydraulic cylinder 9.1 it is connected.Under left side hydraulic cylinder 9
The small chamber in big chamber 9.1 and upper end 9.5 is held to be connected.Hydraulic pump 3, which exports, connects overflow valve 5 by P, limit system maximum pressure, hydraulic system
Filter 4 is connect on oil return line, ensures oil cleanliness.
Operating process:System unloaded, engine 1 drive hydraulic pump 3, hydraulic pump 3 from 2 oil suction of fuel tank, what hydraulic pump 3 pumped out
Fluid enters 6 right position of two-position four-way solenoid valve and returns to fuel tank 2, hydraulic system(That is control system)Off-load.
To illustrate direction(Fig. 1, Fig. 2 and Fig. 3)For:
Charging, electromagnet Y1 obtain electric downwards, and hydraulic pump 3 is from 2 oil suction of fuel tank, and the fluid that hydraulic pump 3 pumps out is through two-position four-way electromagnetism
6 left position of valve passes through A mouthfuls and enters big 11.2 He of chamber in right side 11 lower end of hydraulic cylinder all the way using two-way is divided into behind 7 right position of detection valve
It is big that the lower end check valve 11.1 for being attached thereto the small chamber 11.4 in upper end, and opening right side hydraulic cylinder 11 enters intermediate 10 lower end of hydraulic cylinder
The small chamber of chamber 10.2 and the upper end being attached thereto 10.5;It is big by 8 right A1 mouthfuls of entrance left side of control valve, 9 lower end of hydraulic cylinder all the way
The small chamber of chamber 9.1 and the upper end being attached thereto 9.5.The big chamber 9.3 in 9 upper end of left side hydraulic cylinder and the small chamber 9.2 in lower end being attached thereto are logical
The 7 B mouthfuls of oil return of detection valve is crossed, hydraulic cylinder 9 piston rod in left side drives the first mount holder 9.7 movement being secured to, is fixed on this
Bottom plate on a first mount holder 9.7 stretches out upwards.Bottom plate 12 is mounted on mount holder upper surface, it is longer with mount holder
Side is vertical, and consistent with the direction of motion of piston rod, is sequentially arranged at the first mount holder, the second mount holder, third bottom plate
Holder, three are one group, install as needed multigroup, one group is only shown in figure(One group of bottom plate is by being individually fixed in the first bottom
The three bottom plates composition of board mount, the second mount holder, third mount holder), see Fig. 3, and material is positioned over all or part of bottoms
On plate.The big chamber 11.3 in upper end of right side hydraulic cylinder 11 and the small chamber 11.5 in lower end being attached thereto are connected for 8 right B1 mouthfuls with control valve,
And since the upper end check valve 10.4 of intermediate hydraulic cylinder 10 acts on, oil return line blocks, right side hydraulic cylinder 11 remains stationary as.Intermediate fluid
Cylinder pressure 10 is due to the upper end check valve 9.4 of left side hydraulic cylinder 9, the effect oil return line of the upper end check valve 10.4 of intermediate hydraulic cylinder 10
It blocks, intermediate hydraulic cylinder 10 remains stationary as.When left side hydraulic cylinder 9 moves up to stroke terminal, hydraulic cylinder 9 upper end in left side is single
It is opened to valve 9.4, the way to cycle oil of intermediate hydraulic cylinder 10 is opened, and 10 piston rod of intermediate hydraulic cylinder drives the be secured to
Two mount holders 10.7 move, and the bottom plate being fixed on this second mount holder 10.7 stretches out upwards.Left side hydraulic cylinder 9 and the right side
Side hydraulic cylinder 11 remains stationary as.When intermediate fluid cylinder pressure 10 moves up to stroke terminal, 10 upper end check valve of intermediate hydraulic cylinder
10.4 are opened, and hydraulic cylinder 11 way to cycle oil in right side is opened, and hydraulic cylinder 11 piston rod in right side drives the third bottom being secured to
Board mount 11.6 moves, and the bottom plate being fixed on this third mount holder 11.6 stretches out upwards.Left side hydraulic cylinder 9 and intermediate fluid
Cylinder pressure 10 remains stationary as, the material remains stationary in this process.It is fixed on the third bottom plate branch of right side 11 piston rod of hydraulic cylinder
Detection plate I 11.7 is installed on frame 11.6, when right side hydraulic cylinder 11 moves to stroke terminal, the touching detection of detection plate I 11.7
Fixed detection lug I 7.4 on 7 reversing bar 7.2 of valve, the detection commutation of valve 7 are switched to left position work, as shown in Figure 2.
Detect the work of 7 left position of valve.Hydraulic pump 3 is from 2 oil suction of fuel tank, and the fluid that hydraulic pump 3 pumps out is through two-position four-way solenoid valve 6
Left position using left position B mouthfuls of valve 7 of detection, into the big small chamber 9.2 in lower end chamber 9.3 and be attached thereto in 9 upper end of left side hydraulic cylinder,
Fluid opens left side 9 upper end check valve 9.4 of hydraulic cylinder and enters the big chamber 10.3 in intermediate 10 upper end of hydraulic cylinder and be attached thereto down again
Small chamber 10.6 is held, 10 upper end check valve 10.4 of intermediate hydraulic cylinder is opened and enters the big chamber 11.3 in right side 11 upper end of hydraulic cylinder and therewith phase
The small chamber in lower end 11.5 even.The big chamber 9.1 in 9 lower end of left side hydraulic cylinder and the small chamber 9.5 in upper end being attached thereto pass through 8 right position of control valve
A1 mouthfuls of oil returns, the small chamber of the big chamber in 10 lower end of intermediate hydraulic cylinder 10.2 and the upper end being attached thereto 10.5 open 10 lower end of intermediate hydraulic cylinder
Check valve 10.1, by the 8 right A1 mouthfuls of oil return of the big chamber 9.1 in 9 lower end of left side hydraulic cylinder and control valve, right end hydraulic cylinder 11 passes through inspection
The left position A mouthfuls of oil return of side valve 7.Three hydraulic cylinder piston rods drive mount holder fixed thereto to move jointly, all bottom plates one
It rises and moves downward, materials downward.It is fixed on the first mount holder 9.7 of left side 9 piston rod of hydraulic cylinder and detection is installed
Plate II 9.6, it is fixed on touching detection 7 reversing bar 7.2 of valve of detection plate II 9.6 when three hydraulic cylinders are moved to stroke terminal
Detection lug II 7.3, the detection commutation of valve 7 are switched to right position work.Enter next working cycles.
To upper feeding, Y1(Two-position four-way solenoid valve)、Y2(Control valve)Obtain electric, 7 right position of detection valve work.Operation principle with
It feeds downwards and similar is no longer described in detail.
Hydraulic cylinder is to be horizontally mounted in practice, and the fortune forward of material can be completed according to the downward charging of drawing and to upper feeding
Defeated and discharging backward, material are transported ahead to the tossed device of sand throwing extinguishing vehicle, complete the material feeding of vehicle, tossed device
The amount of feeding for the treatment of capacity and material mismatch is easy to that putty occurs, and the material stock area of tossed device is provided with material position sensing thus
Device, can input the maxima and minima of material position, the Y1 dead electricity when practical material position is higher than maximum value to controller, and hydraulic system is unloaded
Lotus stops material feeding, and when practical material is less than minimum value, Y1 obtains electric, hydraulic work system, and material continues to feed.
This feeding equipment has the dual property of carrying storage and conveying material, how to detect the amount of feeding of material in real time,
Hydraulic system is controlled, material is avoided to feed the generation of excessive putty, so that complete machine is operated in optimal working point, how to realize
The feeding and discharging of material are the key technologies of entire feeding equipment.This system is realized by controlling the break-make of hydraulic cylinder oil circuit
The feeding and discharging of material detect the amount of feeding of material, control hydraulic system in real time, and material is avoided to feed excessive putty
Generation, so that complete machine is operated in optimal working point, greatly reduce human operational error, be provided simultaneously with material large carrying capacity,
The advantages that integrated level is high, simple system is reliable.
It should be noted that example the above is only the implementation of the present invention, is not intended to limit the scope of the invention,
Every equivalent structure or equivalent flow shift done using present specification, is applied directly or indirectly in other phases
Technical field is closed, is included within the scope of the present invention.
Claims (10)
- The automobile-used feeding equipment control system 1. a kind of sand throwing is put out a fire, including actuating unit, fuel tank, hydraulic pump, detection valve, two four Electric change valve, control valve, left side hydraulic cylinder, intermediate hydraulic cylinder, right side hydraulic cylinder, which is characterized in that actuating unit is to liquid Press pump provides power;Hydraulic pump is connected to fuel tank;Hydraulic pump oil outlet P connection two-position four-way solenoid directional control valves, two-position four-way electricity Magnetic reversal valve is connected with detection valve;A, B mouthfuls of valve of detection is respectively divided into two-way, and A mouthfuls are connected with the big chamber in right side hydraulic cylinder lower end all the way, separately It is connected all the way with control valve;B mouthfuls of valve of detection is connected with the big chamber in left side hydraulic cylinder upper end all the way, and another way is connected with control valve;Control Valve A1 mouthfuls processed are connected with the big chamber in left side hydraulic cylinder lower end, and B1 mouthfuls of control valve is connected with the big chamber in right side hydraulic cylinder upper end;Left side hydraulic pressure The big chamber in cylinder upper end is connected with the small chamber in left side hydraulic cylinder lower end, and the big chamber in left side hydraulic cylinder upper end is unidirectional by left side hydraulic cylinder upper end Valve is connected with the big chamber in intermediate hydraulic cylinder upper end;The intermediate big chamber in hydraulic cylinder upper end is connected with the small chamber in intermediate hydraulic cylinder lower end, and intermediate The big chamber in hydraulic cylinder upper end is connected by intermediate hydraulic cylinder upper end check valve with the big chamber in right side hydraulic cylinder upper end;Right side hydraulic cylinder upper end Big chamber is connected with the small chamber in right side hydraulic cylinder lower end;The big chamber in right side hydraulic cylinder lower end is connected with the small chamber in right side hydraulic cylinder upper end, and right The big chamber in side hydraulic cylinder lower end is connected by right side hydraulic cylinder lower end check valve with the big chamber in intermediate hydraulic cylinder lower end;Under intermediate hydraulic cylinder It holds big chamber to be connected with the small chamber in intermediate hydraulic cylinder upper end, and passes through intermediate hydraulic cylinder lower end check valve and the big chamber in left side hydraulic cylinder lower end It is connected;The big chamber in left side hydraulic cylinder lower end is connected with the small chamber in left side hydraulic cylinder upper end.
- The automobile-used feeding equipment control system 2. a kind of sand throwing according to claim 1 is put out a fire, which is characterized in that hydraulic pressure pumps out Overflow valve is connect by hydraulic fluid port P.
- The automobile-used feeding equipment control system 3. a kind of sand throwing according to claim 1 is put out a fire, which is characterized in that the control The oil return line of system processed connects filter.
- The automobile-used feeding equipment control system 4. a kind of sand throwing according to claim 1 is put out a fire, which is characterized in that detection valve packet It includes:Reversal valve, reversing bar, detection lug II, detection lug I;Reversing bar connects reversal valve, the different location connecting detection piece of reversing bar II, detection lug I.
- The automobile-used feeding equipment control system 5. a kind of sand throwing according to claim 4 is put out a fire, which is characterized in that left side hydraulic pressure Cylinder includes:The big chamber in lower end, the small chamber in lower end, the big chamber in upper end, upper end check valve, the small chamber in upper end, detection plate II, the first mount holder; The big chamber in lower end, the small chamber in lower end separate in lower cylinder body and by piston and piston rod, and the big chamber in lower end is located at below the small chamber in lower end;On The small chamber of big chamber, upper end is held to be separated in upper cylinder body and by piston and piston rod, the big chamber in upper end is located above the small chamber in upper end;Upper end Check valve is connected to left side hydraulic cylinder upper end and is connected to the big chamber in upper end;First mount holder is fixed on left side hydraulic cylinder piston Bar is equipped with detection plate II on the first mount holder;Detection plate II is used to contact or be detached from the detection lug II of detection valve;Detection When plate II touches the detection lug II of detection valve, valve commutation work is detected.
- The automobile-used feeding equipment control system 6. a kind of sand throwing according to claim 4 is put out a fire, which is characterized in that intermediate hydraulic pressure Cylinder includes:Lower end check valve, the big chamber in lower end, the big chamber in upper end, upper end check valve, the small chamber in upper end, the small chamber in lower end, the second bottom plate branch Frame;The big chamber in lower end, the small chamber in lower end separate in lower cylinder body and by piston and piston rod, and the big chamber in lower end is located under the small chamber in lower end Side;The big chamber in upper end, the small chamber in upper end separate in upper cylinder body and by piston and piston rod, and the big chamber in upper end is located on the small chamber in upper end Side;Upper end check valve is connected to intermediate hydraulic cylinder upper end and is connected to the big chamber in upper end;Second mount holder is fixed on intermediate hydraulic pressure On cylinder piston rod;Lower end check valve is connected to the lower end of intermediate hydraulic cylinder and is connected to the intermediate big chamber in hydraulic cylinder lower end.
- The automobile-used feeding equipment control system 7. a kind of sand throwing according to claim 4 is put out a fire, which is characterized in that right side hydraulic pressure Cylinder includes:Lower end check valve, the big chamber in lower end, the big chamber in upper end, the small chamber in upper end, the small chamber in lower end, third mount holder, detection plate I;Under The small chamber of big chamber, lower end is held to be separated in lower cylinder body and by piston and piston rod, the big chamber in lower end is located at below the small chamber in lower end;Upper end Big chamber, the small chamber in upper end separate in upper cylinder body and by piston and piston rod, and the big chamber in upper end is located above the small chamber in upper end;Upper end is single It is connected to the top of right side hydraulic cylinder upper cylinder to valve and is connected to the big chamber in upper end;Lower end check valve is connected to right side hydraulic cylinder Lower end and be connected to the big chamber in right side hydraulic cylinder lower end;Third mount holder is fixed on the hydraulic cylinder piston rod of right side;It is fixed on Detection plate I is installed on the third mount holder of right side hydraulic cylinder piston rod;Detection plate I is used to connect with the detection lug I of detection valve It touches or is detached from;When detection plate I touches the detection lug I of detection valve, valve commutation work is detected.
- The automobile-used feeding equipment control system 8. a kind of sand throwing according to claim 1 is put out a fire, which is characterized in that control system When off-load, actuating unit makes hydraulic pump from fuel tank oil suction, and the fluid that hydraulic pump pumps out enters the right position of two-position four-way solenoid valve and returns Oil return box, control system off-load.
- The automobile-used feeding equipment control system 9. a kind of sand throwing according to claim 1 is put out a fire, which is characterized in that charging downwards When, the electromagnet Y1 of two-position four-way solenoid directional control valve obtains electric, and hydraulic pump is from fuel tank oil suction, and the fluid that hydraulic pump pumps out is through two four Three-way electromagnetic valve left position behind the right position of detection valve using two-way is divided into, and fluid enters under the hydraulic cylinder of right side for A mouthfuls by detection valve all the way The small chamber in right side hydraulic cylinder upper end held big chamber and be connected with the big chamber in right side hydraulic cylinder lower end makes the lower end check valve of right side hydraulic cylinder Open the intermediate hydraulic cylinder so that fluid enters the big chamber in intermediate hydraulic cylinder lower end and is connected with the intermediate big chamber in hydraulic cylinder lower end all the way The small chamber in upper end;Another way fluid by right position A1 mouthfuls of control valve enter the big chamber in left side hydraulic cylinder lower end and with left side hydraulic cylinder The connected small chamber in left side hydraulic cylinder upper end of the big chamber in lower end;The big chamber in left side hydraulic cylinder upper end and the small chamber in left side hydraulic cylinder lower end being connected with the big chamber in left side hydraulic cylinder upper end pass through detection B mouthfuls of oil returns of valve, the piston rod of left side hydraulic cylinder drive the first mount holder movement being secured to, are fixed on the first mount holder On bottom plate stretch out upwards;Under the big chamber in upper end of right side hydraulic cylinder and the right side hydraulic cylinder being connected with the big chamber in right side hydraulic cylinder upper end Small chamber is held to be connected for right position B1 mouthfuls with control valve, and due to the upper end check valve of intermediate hydraulic cylinder, oil return line blocks, right side hydraulic cylinder It remains stationary as;Intermediate hydraulic cylinder is returned due to the effect of the upper end check valve of left side hydraulic cylinder, the upper end check valve of intermediate hydraulic cylinder Oil circuit blocks, and intermediate hydraulic cylinder remains stationary as;When left side, hydraulic cylinder moves up to stroke terminal, left side hydraulic cylinder upper end check valve is opened, intermediate hydraulic cylinder Way to cycle oil is opened, and the piston rod of intermediate hydraulic cylinder drives the second mount holder movement being secured to, and is fixed on the second bottom Bottom plate on board mount stretches out upwards;Left side hydraulic cylinder is remained stationary as with right side hydraulic cylinder;When intermediate fluid cylinder pressure moves up to stroke terminal, intermediate hydraulic cylinder upper end check valve is opened, and right side hydraulic cylinder returns Oily access is opened, and right side hydraulic cylinder piston rod drives the third mount holder movement being secured to, and is fixed on third bottom plate branch Bottom plate on frame stretches out upwards;Left side hydraulic cylinder is remained stationary as with intermediate hydraulic cylinder;Material remains stationary in the process;It is fixed on the third mount holder of right side hydraulic cylinder piston rod and detection plate I is installed, when right side hydraulic cylinder to row When journey terminal, fixed detection lug I on the touching detection valve reversing bar of detection plate I, detection valve commutation is switched to left position work.
- The automobile-used feeding equipment control system 10. a kind of sand throwing according to claim 1 is put out a fire, which is characterized in that detection valve Left position works, and hydraulic pump is from fuel tank oil suction, and left position of the fluid through two-position four-way solenoid valve that hydraulic pump pumps out is using detection valve Left position B mouthfuls, into the big chamber in left side hydraulic cylinder upper end and the small chamber in left side hydraulic cylinder lower end being attached thereto, fluid opens left side liquid again The intermediate small chamber in hydraulic cylinder lower end that cylinder pressure upper end check valve enters the intermediate big chamber in hydraulic cylinder upper end and is attached thereto opens intermediate fluid The small chamber in right side hydraulic cylinder lower end that cylinder pressure upper end check valve enters the right side big chamber in hydraulic cylinder upper end and is attached thereto;Left side hydraulic cylinder By the right position A1 mouthfuls of oil returns of control valve, intermediate hydraulic cylinder lower end is big for the big chamber in lower end and the small chamber in left side hydraulic cylinder upper end that is attached thereto The small chamber of chamber and the intermediate hydraulic cylinder upper end being attached thereto opens intermediate hydraulic cylinder lower end check valve, big by left side hydraulic cylinder lower end Chamber and the right position A1 mouthfuls of oil returns of control valve, right end hydraulic cylinder is by detecting left position A mouthfuls of oil return of valve;Left side hydraulic cylinder, intermediate hydraulic cylinder, The piston rod of right side hydraulic cylinder drives mount holder fixed thereto to move jointly, and every group of bottom plate moves downwardly together, material to Lower movement;It is fixed on the first mount holder of left side hydraulic cylinder piston rod and detection plate II is installed, when left side hydraulic cylinder, centre When hydraulic cylinder, right side hydraulic cylinder are moved to stroke terminal, fixed detection lug II on the touching detection valve reversing bar of detection plate II, Detection valve commutation is switched to right position work.
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