CN205800265U - A kind of hydraulic system of sewage solid waste hydraulic press - Google Patents
A kind of hydraulic system of sewage solid waste hydraulic press Download PDFInfo
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- CN205800265U CN205800265U CN201620620692.4U CN201620620692U CN205800265U CN 205800265 U CN205800265 U CN 205800265U CN 201620620692 U CN201620620692 U CN 201620620692U CN 205800265 U CN205800265 U CN 205800265U
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Abstract
This utility model relates to a kind of hydraulic system for sewage solids rubbish briquetting, and it includes valve block I, valve block II, inclined shaft pump, motor, actuator；Wherein said motor drives inclined shaft pump work by power transmission shaft, and described valve block I, valve block II is between the leakage fluid dram and the actuator of hydraulic press of inclined shaft pump, the pressure fluid that inclined shaft pump leakage fluid dram flows out is at a flow way through valve block I, valve block II by valve block I, the control of valve block II carrys out the acting of the actuator to described hydraulic press, completes its action.
Description
Technical field
This utility model relates to the hydraulic system of a kind of hydraulic press, particularly to a kind of hydraulic pressure for sewage fixed-end forces
The hydraulic system of machine.
Background technology
This utility model belongs to a kind of hydraulic press hydraulic system that sewage carries out fixed-end forces, general present sewage
The solid refuse of bottom processes and is all dependent on artificial being processed by solid refuse, and rubbish is not through fixing, and mobility is big, and one
As spend the time long when process, efficiency is low, and cost is high.
Utility model content
The technical problems to be solved in the utility model is to provide one and can be carried out at briquetting by solid refuse bottom sewage
A kind of hydraulic system of reason, thus improve the efficiency processing sewage solids rubbish.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of hydraulic system, it includes valve block I, valve block II, inclined shaft pump, motor, actuator；Wherein said is electronic
Machine drives inclined shaft pump work by power transmission shaft, and described valve block I, valve block II are positioned at leakage fluid dram and the hydraulic press of inclined shaft pump
Between actuator, the pressure fluid that inclined shaft pump leakage fluid dram flows out is at a flow way through valve block I, valve block II and by valve
Block I, the control of valve block II carrys out the acting of the actuator to described hydraulic press, completes its action.
Hydraulic system also includes Pressure gauge, pressure transducer, displacement transducer, industrial refrigeration machine；Described actuator
Including master cylinder, small oil tank I, small oil tank II.
Described valve block I includes descending soon circuit, descends circuit, slide block back haul link, release circuit slowly；Under described slide block is fast
Circuit, descends circuit, slide block back haul link to include: bi-bit bi-pass solenoid directional control valve slowly, two-position four-way solenoid valve, proportional velocity regulating valve,
Proportional pressure control valve, overflow valve, plug-in unit, Solenoid ball valve.
Described valve block II includes, small oil tank I ejects and return circuit, and small oil tank II ejects and returns circuit；Little
The rollback circuit that ejects of oil cylinder includes: three position four-way electromagnetic valve, overflow valve, one-way throttle valve.
The fast lower circuit of described slide block and slow lower circuit control fast lower and the most lower two actions of master cylinder；
The ruuning situation descending circuit soon at described fast lower action slide block is: liquid is at motor-operated two inclined shafts of two-way
Under the effect of pump, owing to 2Y1 and 2Y2 obtains electric, bi-bit bi-pass solenoid directional control valve is in closed, can only pass through check valve, and one
Routeing must not be electric in 3Y1, and 3Y2 obtains electric, and liquid can only obtain electric by the plug-in unit controlled by 3Y2 two-position four-way solenoid valve, 3Y4, than
The speed entering master cylinder of regulation liquid opened by example speed governing electromagnetic valve, and liquid is by master cylinder out through Solenoid ball valve, and 3Y6 obtains electric,
Making liquid pass through, through liquid-transport pipe-line, owing to 3Y7 obtains electric, two-position four-way solenoid valve controls plug-in unit and opens, and liquid is fast by playing
The plug-in unit of lower supporting role, enters the plug-in unit controlled by 3Y8 electromagnetic switch, and owing to 3Y8 obtains electric, liquid is through this two-position four-way electricity
Magnet valve enters fuel tank；Another route must not be electric in 3Y3, and liquid is by electromagnetic valve, and other all must not be electric, thus realizes master cylinder
Fast lower action.
Slowly the ruuning situation descending circuit at described slow lower action slide block is: liquid is at motor-operated two inclined shafts of two-way
Under the effect of pump, owing to 2Y1 and 2Y2 obtains electric, bi-bit bi-pass solenoid directional control valve is in closed, can only pass through check valve, and one
Routeing must not be electric in 3Y1, and 3Y2 obtains electric, and liquid can only obtain electric by the plug-in unit controlled by 3Y2 two-position four-way solenoid valve, 3Y4, than
The speed entering master cylinder of regulation liquid opened by example speed governing electromagnetic valve, and liquid is by master cylinder out through Solenoid ball valve, and 3Y6 obtains electric,
Making liquid be obtained by 3Y7 electric, liquid is through playing the plug-in unit of fast lower supporting role, and final liquid enters by 3Y8 electromagnetic switch control
The plug-in unit of system, owing to 3Y8 must not be electric, liquid enters fuel tank without this two-position four-way solenoid valve, and by adjustable choke valve,
Entering the overflow valve playing slow lower supporting role, then arrive fuel tank through plug-in unit, another route must not be electric in 3Y3, and liquid is obstructed
Crossing electromagnetic valve, other all must not be electric, thus realizes the slow lower action of master cylinder.
Described slide block back haul link, controls returning to and returning two actions slowly of master cylinder；
In the described ruuning situation returning to action slide block back haul link it is: in the described fortune returning to action slide block back haul link
Market condition is: liquid is under the effect of motor-operated two the inclined shaft pumps of two-way, owing to 2Y1 and 2Y2 obtains electric, and bi-bit bi-pass electricity
Magnetic reversal valve is in closed, can only pass through check valve, one route obtain in 3Y1 electric, 3Y2 must not electricity, liquid can only be by being subject to
The plug-in unit that 3Y1 two-position four-way solenoid valve controls, liquid without the plug-in unit controlled by 3Y2 two-position four-way solenoid valve, 3Y6,3Y7,
3Y8 must not be electric, and liquid, quickly through plug-in unit, enters master cylinder, and liquid flows out from master cylinder, and owing to 3Y5 obtains electric, Solenoid ball valve is beaten
Opening, liquid directly rapidly enters fuel tank by Solenoid ball valve, and another route and obtains in 3Y3 electric, and this road liquid combines with the first via,
Make slide block quick return, other all must not electricity, thus realize master cylinder return to action.
Make the ruuning situation of slide block back haul link described reversing slowly be: make the fortune of slide block back haul link described reversing slowly
Market condition is: liquid under the effect of motor-operated two the inclined shaft pumps of two-way, one route obtain in 2Y1 electric, bi-bit bi-pass electricity
Magnetic reversal valve is in closed, can only pass through check valve, and owing to 3Y1 obtains electric, 3Y2 must not be electric, and liquid can only be by by 3Y1 bis-
The plug-in unit that four way solenoid valve controls, liquid is without the plug-in unit controlled by 3Y2 two-position four-way solenoid valve, and 3Y6,3Y7,3Y8 are the most not
Obtaining electric, liquid, quickly through plug-in unit, enters master cylinder, and liquid flows out from master cylinder, and owing to 3Y5 obtains electric, Solenoid ball valve is opened, and liquid is straight
Connecting Solenoid ball valve and rapidly enter fuel tank, another route must not be electric in 2Y2, and bi-bit bi-pass solenoid directional control valve is opened, and liquid is straight
Connected overflow valve and entered fuel tank, not with the liquid joint of the first via, thus reduce hydraulic pressure make slide block to return prompt drop low, other
All must not be electric, thus realize the work that reverses slowly of master cylinder.
Small oil tank I ejects and returns circuit, and the circuit that ejects and return of small oil tank II includes that small oil tank I's ejects line
Road, small oil tank I returns circuit, and small oil tank II ejects circuit, and small oil tank II returns circuit；
As long as described release circuit ensures that the Solenoid ball valve that 3Y5 controls obtains electric opening, other all must not be electric, just can be by master
Excess pressure in cylinder is discharged.
The circuit that ejects of described small oil tank I realizes the action that ejects of small oil tank I, and small oil tank I ejects the operation feelings of circuit
Condition is:
Liquid under the effect of motor-operated inclined shaft pump, one route in 2Y1,3Y3 must not electricity, 2Y1 control two
Two electric change valves are in open mode, and liquid is not by bi-bit bi-pass solenoid directional control valve, and the electromagnetic valve that 3Y3 controls is in
Closed mode, liquid does not enter master cylinder, so master cylinder does not works；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters three four
Three-way electromagnetic valve, 3Y11a obtains electric, and liquid is by after three position four-way electromagnetic valve, and again by one-way throttle valve, electromagnetic valve liquid passes through
Driving ejecting of small oil tank I, complete small oil tank I ejects action；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters three four
Three-way electromagnetic valve, 3Y11b obtains electric, and liquid is by after three position four-way electromagnetic valve, and again by one-way throttle valve, electromagnetic valve liquid passes through
Driving returning of small oil tank I, complete small oil tank I returns action；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters three four
Three-way electromagnetic valve, 3Y10a obtains electric, and liquid is by after three position four-way electromagnetic valve, and again by one-way throttle valve, electromagnetic valve liquid passes through
Driving ejecting of small oil tank II, complete small oil tank II ejects action.
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters three four
Three-way electromagnetic valve, 3Y10b obtains electric, and liquid is by after three position four-way electromagnetic valve, and again by one-way throttle valve, electromagnetic valve liquid passes through
Driving returning of small oil tank II, complete small oil tank II returns action.
Described pressure transducer has 1, connects the upper end hydraulic fluid port with master cylinder.
Described Pressure gauge has 3, is connected to the bottom nozzle of master cylinder；The two-position four-way solenoid valve that 3Y1,3Y2 control
Oil-in；The oil-in of small oil tank.
Described displacement transducer is connected on master cylinder, the upper and lower displacement position of monitoring slide block.
Described industrial refrigeration machine is installed on motor and the side of inclined shaft pump.
The utility model has the advantage of: on the one hand, this utility model passes through the hydraulic system control to hydraulic press so that
Hydraulic press solid refuse bottom by sewage carries out briquetting, thus reduces the mobility of solid refuse, and it is solid that raising processes sewage
The efficiency of body rubbish.On the other hand, this hydraulic system uses bi-motor double pump to control, and proportional velocity regulating valve and proportional pressure control valve make
The pressure of whole system is more stable, so that the system pressure of master cylinder controls in the ideal range always, thus adds whole
Stablizing of individual hydraulic press.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the hydraulic system of a kind of sewage solids rubbish briquetting.
Fig. 2 is the partial enlarged drawing of valve block I.
Fig. 3 is the partial enlarged drawing of valve block II.
Fig. 4 is electromagnetic driven tabulation.
Shown in Fig. 1: 1, valve block I；2, valve block II；3, inclined shaft pump P1；4, inclined shaft pump P2；5, motor；6, Pressure gauge；7、
Pressure transducer；8, displacement transducer；9, industrial refrigeration machine；10, bi-bit bi-pass solenoid directional control valve；11, plug-in unit；12, two four
Three-way electromagnetic valve；13, proportional velocity regulating valve；14, overflow valve；15, Solenoid ball valve；16, proportional pressure control valve；17, three position four-way electromagnetic valve
(middle closed)；18, one-way throttle valve；19 actuators (master cylinder, small oil tank).
Detailed description of the invention
The following examples can make professional and technical personnel that this utility model is more fully understood, but the most therefore will
This utility model is limited among described scope of embodiments.
Hydraulic system as shown in Figure 1:
This hydraulic system, it includes valve block I1, valve block II2, inclined shaft pump, motor 5, actuator；Wherein said electricity
Motivation 5 drives inclined shaft pump 3,4 to work by power transmission shaft, and described valve block I1, and valve block II2 is positioned at the discharge opeing of inclined shaft pump 3,4
Between mouth and the actuator 19 of hydraulic press, the pressure fluid that inclined shaft pump 3,4 leakage fluid dram flows out is at a flow way through valve block
I1, valve block II2 by valve block I1, the actuator 19 of described hydraulic press is done work, is completed it by the control of valve block II2
Action.
Hydraulic system also includes Pressure gauge 6, pressure transducer 7, displacement transducer 8, industrial refrigeration machine 9；Described execution
Mechanism 19 includes master cylinder, small oil tank I, small oil tank II.
Described valve block I1 includes descending soon circuit, descends circuit, slide block back haul link, release circuit slowly；Described slide block is fast
Lower circuit, descends circuit, slide block back haul link to include: bi-bit bi-pass solenoid directional control valve 10 slowly, two-position four-way solenoid valve 12, and ratio is adjusted
Speed valve 13, proportional pressure control valve 16, overflow valve 14, plug-in unit 11, Solenoid ball valve 15.
Described valve block II includes, small oil tank I ejects and return circuit, and small oil tank II ejects and returns circuit；Little
The rollback circuit that ejects of oil cylinder includes: three position four-way electromagnetic valve 17, overflow valve 14, one-way throttle valve 18.
The fast lower circuit of described slide block and slow lower circuit control fast lower and the most lower two actions of master cylinder；
The ruuning situation descending circuit soon at described fast lower action slide block is: liquid drive at two-way motor 5 two is tiltedly
Under the effect of axle pump 3,4, owing to 2Y1 and 2Y2 obtains electric, bi-bit bi-pass solenoid directional control valve 10 is in closed, can only be by single
To valve, one route in 3Y1 must not electricity, 3Y2 obtains electric, and liquid can only be by the plug-in unit controlled by 3Y2 two-position four-way solenoid valve 12a
11a, 3Y4 obtain electric, proportional velocity regulating valve 13 open regulation liquid enter master cylinder speed, liquid by master cylinder out through electromagnetic ball
Valve 15b, 3Y6 obtain electric, make liquid pass through, and through liquid-transport pipe-line, owing to 3Y7 obtains electric, two-position four-way solenoid valve 12c controls plug-in unit
11d opens, and liquid, by playing the plug-in unit 11d of fast lower supporting role, enters the plug-in unit 11e controlled by 3Y8 electromagnetic switch, due to
3Y8 obtains electric, and liquid enters fuel tank through this two-position four-way solenoid valve 12d；Another route must not be electric in 3Y3, and liquid is by electricity
Magnet valve, other all must not be electric, thus realizes the fast lower action of master cylinder.
Slowly the ruuning situation descending circuit at described slow lower action slide block is: liquid drive at two-way motor 5 two is tiltedly
Under the effect of axle pump 3,4, owing to 2Y1 and 2Y2 obtains electric, bi-bit bi-pass solenoid directional control valve 10 is in closed, can only be by single
To valve, one route in 3Y1 must not electricity, 3Y2 obtains electric, and liquid can only be by the plug-in unit controlled by 3Y2 two-position four-way solenoid valve 12b
11b, 3Y4 obtain electric, proportional velocity regulating valve 13 open regulation liquid enter master cylinder speed, liquid by master cylinder out through electromagnetic ball
Valve 15b, 3Y6 obtain electric, make liquid be obtained by 3Y7 electric, and liquid is through playing the plug-in unit 11d of fast lower supporting role, and final liquid enters
Entering the plug-in unit 11e controlled by 3Y8 electromagnetic switch, owing to 3Y8 must not be electric, liquid enters without this two-position four-way solenoid valve 12d
Fuel tank, and by adjustable choke valve, enter the overflow valve playing slow lower supporting role, then arrive fuel tank through plug-in unit 11e, separately
One route in 3Y3 must not electricity, liquid by electromagnetic valve, other all must not electricity, thus realize the slow lower action of master cylinder.
Described slide block back haul link, controls returning to and returning two actions slowly of master cylinder；
In the described ruuning situation returning to action slide block back haul link it is: in the described fortune returning to action slide block back haul link
Market condition is: under the effect of two inclined shaft pumps 3,4 that liquid drives at two-way motor 5, owing to 2Y1 and 2Y2 obtains electric, two two
Electric change valve 10 is in closed, can only pass through check valve, one route obtain in 3Y1 electric, 3Y2 must not electricity, liquid can only
By being controlled the plug-in unit 11a of 12a by 3Y1 two-position four-way solenoid valve, liquid controls without by 3Y2 two-position four-way solenoid valve 12b
Plug-in unit, 3Y6,3Y7,3Y8 all must not electricity, liquid quickly through plug-in unit, enters master cylinder, and liquid flows out from master cylinder, owing to 3Y5 obtains
Electricity, Solenoid ball valve 15a opens, and liquid directly rapidly enters fuel tank by Solenoid ball valve 15a, another route obtain in 3Y3 electric, this road
Liquid combines with the first via, makes slide block quick return, other all must not electricity, thus realize master cylinder return to action.
Make the ruuning situation of slide block back haul link described reversing slowly be: make the fortune of slide block back haul link described reversing slowly
Market condition is: under the effect of two inclined shaft pumps 3,4 that liquid drives at two-way motor 5, one route obtain in 2Y1 electric, two two
Electric change valve 10 is in closed, can only pass through check valve, and owing to 3Y1 obtains electric, 3Y2 must not be electric, and liquid can only be by being subject to
3Y1 two-position four-way solenoid valve 12b control plug-in unit 11b, liquid without the plug-in unit controlled by 3Y2 two-position four-way solenoid valve 12a,
3Y6,3Y7,3Y8 must not be electric, and liquid, quickly through plug-in unit, enters master cylinder, and liquid flows out from master cylinder, owing to 3Y5 obtains electric, and electromagnetism
Ball valve is opened, and liquid directly rapidly enters fuel tank by Solenoid ball valve, and another route must not be electric in 2Y2, and bi-bit bi-pass electromagnetism changes
Opening to valve 10b, liquid directly enters fuel tank by overflow valve, not with the liquid joint of the first via, thus reduces hydraulic pressure and makes
Time prompt drop of slide block is low, and other all must not be electric, thus realizes the work that reverses slowly of master cylinder.
Small oil tank I ejects and returns circuit, and the circuit that ejects and return of small oil tank II includes that small oil tank I's ejects line
Road, small oil tank I returns circuit, and small oil tank II ejects circuit, and small oil tank II returns circuit；
As long as described release circuit ensures that the Solenoid ball valve 15a that 3Y5 controls obtains electric opening, other all must not be electric, with regard to energy
Excess pressure in master cylinder is discharged.
The circuit that ejects of described small oil tank I realizes the action that ejects of small oil tank I, and small oil tank I ejects the operation feelings of circuit
Condition is:
Liquid under the effect of motor-operated inclined shaft pump 3,4, one route in 2Y1,3Y3 must not electricity, 2Y1 control two
Position two electric change valve 10a are in open mode, and liquid is not by bi-bit bi-pass solenoid directional control valve, the electromagnetism that 3Y3 controls
Valve 15c is closed, and liquid does not enter master cylinder, so master cylinder does not works；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve 10b is in closed, and liquid can only pass through check valve, enters three
Four way solenoid valve 17b, 3Y11a obtain electric, and liquid is by after three position four-way electromagnetic valve 17b, again by one-way throttle valve 18b, electricity
Magnet valve liquid is by driving ejecting of small oil tank I, and complete small oil tank I ejects action；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters three four
Three-way electromagnetic valve 17b, 3Y11b obtain electric, and liquid is by after three position four-way electromagnetic valve 17b, again by one-way throttle valve 18b, electromagnetism
Valve liquid is by driving returning of small oil tank I, and complete small oil tank I returns action；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve 10b is in closed, and liquid can only pass through check valve, enters three
Four way solenoid valve 17a, 3Y10a obtain electric, and liquid is by after three position four-way electromagnetic valve 17a, again by one-way throttle valve 18a, electricity
Magnet valve liquid is by driving ejecting of small oil tank II, and complete small oil tank II ejects action.
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve 10b is in closed, and liquid can only pass through check valve, enters three
Four way solenoid valve 17a, 3Y10b obtain electric, and liquid is by after three position four-way electromagnetic valve, again by one-way throttle valve 18a, electromagnetic valve
Liquid is by driving returning of small oil tank II, and complete small oil tank II returns action.
Described pressure transducer 7 has 1, connects the upper end hydraulic fluid port with master cylinder.
Described Pressure gauge has 3, is connected to the bottom nozzle of master cylinder；The two-position four-way solenoid valve that 3Y1,3Y2 control
The oil-in of 12；The oil-in of small oil tank.
Described displacement transducer 8 is connected on master cylinder, the upper and lower displacement position of monitoring slide block.
Described industrial refrigeration machine 9 is installed on motor 5 and the side of inclined shaft pump 3,4.
Claims (9)
1. a hydraulic system, it includes valve block I, valve block II, inclined shaft pump, motor, actuator；It is characterized in that: wherein
Described motor drives inclined shaft pump work, and described valve block I by power transmission shaft, and valve block II is positioned at the leakage fluid dram of inclined shaft pump
And between the actuator of hydraulic press, the pressure fluid that inclined shaft pump leakage fluid dram flows out is at a flow way through valve block I, valve block II
And by valve block I, the control of valve block II carrys out the acting of the actuator to described hydraulic press, completes its action；
Described hydraulic system also includes Pressure gauge, pressure transducer, displacement transducer, industrial refrigeration machine；Described execution machine
Structure includes master cylinder, small oil tank I, small oil tank II；
Described valve block I includes descending soon circuit, descends circuit, slide block back haul link, release circuit slowly；Described slide block rolls off the production line soon
Road, descends circuit, slide block back haul link to include: bi-bit bi-pass solenoid directional control valve slowly, two-position four-way solenoid valve, proportional velocity regulating valve, than
Example overflow valve, overflow valve, plug-in unit, Solenoid ball valve；
Described valve block II includes, small oil tank I ejects and return circuit, and small oil tank II ejects and returns circuit；Small oil tank
The rollback circuit that ejects include: three position four-way electromagnetic valve, overflow valve, one-way throttle valve.
Hydraulic system the most according to claim 1, it is characterised in that: described fast lower circuit and slow lower circuit control main
Fast lower and the most lower two actions of cylinder；
The ruuning situation descending circuit soon at described fast lower action slide block is: liquid is at motor-operated two the inclined shaft pumps of two-way
Under effect, owing to 2Y1 and 2Y2 obtains electric, bi-bit bi-pass solenoid directional control valve is in closed, can only pass through check valve, a route
Must not be electric in 3Y1,3Y2 obtains electric, and liquid can only obtain electric by the plug-in unit controlled by 3Y2 two-position four-way solenoid valve, 3Y4, and ratio is adjusted
The speed entering master cylinder of regulation liquid opened by speed electromagnetic valve, and liquid is by master cylinder out through Solenoid ball valve, and 3Y6 obtains electric, makes liquid
Body passes through, and through liquid-transport pipe-line, owing to 3Y7 obtains electric, two-position four-way solenoid valve controls plug-in unit and opens, and liquid is by playing fast lower
The plug-in unit of support effect, enters the plug-in unit controlled by 3Y8 electromagnetic switch, and owing to 3Y8 obtains electric, liquid is through this two-position four-way solenoid valve
Enter fuel tank；Another route in 3Y3 must not electricity, liquid by electromagnetic valve, other all must not electricity, thus realize master cylinder fast under
Action；
Slowly the ruuning situation descending circuit at described slow lower action slide block is: liquid is at motor-operated two the inclined shaft pumps of two-way
Under effect, owing to 2Y1 and 2Y2 obtains electric, bi-bit bi-pass solenoid directional control valve is in closed, can only pass through check valve, a route
Must not be electric in 3Y1,3Y2 obtains electric, and liquid can only obtain electric by the plug-in unit controlled by 3Y2 two-position four-way solenoid valve, 3Y4, and ratio is adjusted
The speed entering master cylinder of regulation liquid opened by speed electromagnetic valve, and liquid is by master cylinder out through Solenoid ball valve, and 3Y6 obtains electric, makes liquid
Body obtains electric by 3Y7, and liquid is through playing the plug-in unit of fast lower supporting role, and final liquid entrance is controlled by 3Y8 electromagnetic switch
Plug-in unit, owing to 3Y8 must not be electric, liquid enters fuel tank without this two-position four-way solenoid valve, and by adjustable choke valve, enters
Playing the overflow valve of slow lower supporting role, then arrive fuel tank through plug-in unit, another route must not be electric in 3Y3, and liquid is by electricity
Magnet valve, other all must not be electric, thus realizes the slow lower action of master cylinder.
Hydraulic system the most according to claim 1, it is characterised in that: described slide block back haul link, control master cylinder
Return to and return two actions slowly；
In the described ruuning situation returning to action slide block back haul link it is: in the described operation feelings returning to action slide block back haul link
Condition is: liquid is under the effect of motor-operated two the inclined shaft pumps of two-way, and owing to 2Y1 and 2Y2 obtains electric, bi-bit bi-pass electromagnetism changes
Be in closed to valve, can only pass through check valve, one route obtain in 3Y1 electric, 3Y2 must not electricity, liquid can only be by by 3Y1 bis-
The plug-in unit that position four-way solenoid valve controls, liquid is without the plug-in unit controlled by 3Y2 two-position four-way solenoid valve, and 3Y6,3Y7,3Y8 are
Must not be electric, liquid, quickly through plug-in unit, enters master cylinder, and liquid flows out from master cylinder, and owing to 3Y5 obtains electric, Solenoid ball valve is opened, liquid
Directly rapidly entering fuel tank by Solenoid ball valve, another route and obtains in 3Y3 electric, and this road liquid combines with the first via, makes slide block
Quick return, other all must not electricity, thus realize master cylinder return to action；
Make the ruuning situation of slide block back haul link described reversing slowly be: make the operation feelings of slide block back haul link described reversing slowly
Condition is: liquid is under the effect of motor-operated two the inclined shaft pumps of two-way, and one route and obtains in 2Y1 electric, and bi-bit bi-pass electromagnetism changes
Being in closed to valve, can only pass through check valve, owing to 3Y1 obtains electric, 3Y2 must not be electric, and liquid can only be by by 3Y1 two-position four-way
The plug-in unit that electromagnetic valve controls, liquid is without the plug-in unit controlled by 3Y2 two-position four-way solenoid valve, and 3Y6,3Y7,3Y8 must not be electric,
Liquid, quickly through plug-in unit, enters master cylinder, and liquid flows out from master cylinder, and owing to 3Y5 obtains electric, Solenoid ball valve is opened, and liquid directly leads to
Crossing Solenoid ball valve and rapidly enter fuel tank, another route must not be electric in 2Y2, and bi-bit bi-pass solenoid directional control valve is opened, and liquid directly leads to
Cross overflow valve and enter fuel tank, not with the liquid joint of the first via, thus reduce hydraulic pressure make slide block to return prompt drop low, other are the most not
Obtain electric, thus realize the work that reverses slowly of master cylinder.
Hydraulic system the most according to claim 1, it is characterised in that: as long as described release circuit ensures what 3Y5 controlled
Solenoid ball valve obtains electric opening, and other all must not be electric, just can be discharged by the excess pressure in master cylinder.
Hydraulic system the most according to claim 1, it is characterised in that: small oil tank I ejects and returns circuit, small oil tank II
Eject and return the circuit that ejects that circuit includes small oil tank I, small oil tank I returns circuit, and small oil tank II ejects circuit, little
Oil cylinder II returns circuit；
The circuit that ejects of described small oil tank I realizes the action that ejects of small oil tank I, and small oil tank I ejects the ruuning situation of circuit and is:
Liquid under the effect of motor-operated inclined shaft pump, one route in 2Y1,3Y3 must not electricity, 2Y1 control bi-bit bi-pass
Solenoid directional control valve is in open mode, and liquid is not by bi-bit bi-pass solenoid directional control valve, and the electromagnetic valve that 3Y3 controls is in cut out
State, liquid does not enter master cylinder, so master cylinder does not works；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters 3-position 4-way electricity
Magnet valve, 3Y11a obtains electric, and liquid is by after three position four-way electromagnetic valve, and again by one-way throttle valve, electromagnetic valve liquid is by driving
Small oil tank I ejects, and complete small oil tank I ejects action；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters 3-position 4-way electricity
Magnet valve, 3Y11b obtains electric, and liquid is by after three position four-way electromagnetic valve, and again by one-way throttle valve, electromagnetic valve liquid is by driving
Small oil tank I returns, and complete small oil tank I returns action；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters 3-position 4-way electricity
Magnet valve, 3Y10a obtains electric, and liquid is by after three position four-way electromagnetic valve, and again by one-way throttle valve, electromagnetic valve liquid is by driving
Small oil tank II ejects, and complete small oil tank II ejects action；
2Y2 obtains electric, and bi-bit bi-pass solenoid directional control valve is in closed, and liquid can only pass through check valve, enters 3-position 4-way electricity
Magnet valve, 3Y10b obtains electric, and liquid is by after three position four-way electromagnetic valve, and again by one-way throttle valve, electromagnetic valve liquid is by driving
Small oil tank II returns, and complete small oil tank II returns action.
Hydraulic system the most according to claim 1, it is characterised in that: described Pressure gauge has 3, is connected to master cylinder
Bottom nozzle；The oil-in of the two-position four-way solenoid valve that 3Y1,3Y2 control；The oil-in of small oil tank.
Hydraulic system the most according to claim 1, it is characterised in that: described pressure transducer has 1, connects and master cylinder
Upper end hydraulic fluid port.
Hydraulic system the most according to claim 1, it is characterised in that: described displacement transducer is connected on master cylinder, prison
The upper and lower displacement position of control slide block.
Hydraulic system the most according to claim 1, it is characterised in that: described industrial refrigeration machine is installed on motor with oblique
The side of axle pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620620692.4U CN205800265U (en) | 2016-06-22 | 2016-06-22 | A kind of hydraulic system of sewage solid waste hydraulic press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620620692.4U CN205800265U (en) | 2016-06-22 | 2016-06-22 | A kind of hydraulic system of sewage solid waste hydraulic press |
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| CN205800265U true CN205800265U (en) | 2016-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219338A1 (en) * | 2016-06-24 | 2017-12-28 | 邵正国 | Hydraulic system of hydraulic machine for solid waste from sewage |
| CN111572082A (en) * | 2020-04-17 | 2020-08-25 | 江苏国力锻压机床有限公司 | Hydraulic processing method for glass fiber reinforced plastic product |
-
2016
- 2016-06-22 CN CN201620620692.4U patent/CN205800265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219338A1 (en) * | 2016-06-24 | 2017-12-28 | 邵正国 | Hydraulic system of hydraulic machine for solid waste from sewage |
| CN111572082A (en) * | 2020-04-17 | 2020-08-25 | 江苏国力锻压机床有限公司 | Hydraulic processing method for glass fiber reinforced plastic product |
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