CN208531363U - It is mute without impact Mobile garbage compression box hydraulic system - Google Patents
It is mute without impact Mobile garbage compression box hydraulic system Download PDFInfo
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- CN208531363U CN208531363U CN201820908514.0U CN201820908514U CN208531363U CN 208531363 U CN208531363 U CN 208531363U CN 201820908514 U CN201820908514 U CN 201820908514U CN 208531363 U CN208531363 U CN 208531363U
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Abstract
The utility model relates to a kind of mute without impact Mobile garbage compression box hydraulic system, power unit, auxiliary unit and execution unit, power unit, auxiliary unit and execution unit are sequentially connected in series to form sealed circuit；Pressure sensor and pressure measuring tie-in are equipped between the oil outlet of power unit and the oil inlet of execution unit, overflow valve is equipped between the oil outlet of power unit and the oil inlet of auxiliary unit, pressure sensor and overflow valve communicate to connect, and counterbalance valve is equipped between the oil outlet of execution unit and the oil inlet of auxiliary unit.It is provided by the utility model mute without impact Mobile garbage compression box hydraulic system, first pressure release commutates again, reduce reversing impact, increase counterbalance valve between the T mouth and the oil inlet of auxiliary unit of the first solenoid valve, to prevent hydraulic oil-returning impact from generating malfunction and mechanical structure noise.
Description
Technical field
The utility model belongs to environmental sanitation technical field of hydraulic pressure, and in particular to a kind of mute without impact Mobile garbage compression box
Hydraulic system.
Background technique
Bulky refuse case is mainly used for the closed transhipment of house refuse, and the course of work is as follows:
Dustbin is docked with compressor station, so that rubbish is packed into dustbin,
The transport and discharging of dustbin, dustbin are transported by compartment removable garbage truck, reach landfill yard compartment
Cabinet is poured out in rubbish by box body lifting by detachable garbage truck.
And before transportation if rubbish transported again after overcompression, it can not only improve efficiency, additionally it is possible to transport
More rubbish save transportation cost.In the related technology, garbage truck can generate loud noise when into garbage-compressing, make near
Resident by serious noise pollution.
Utility model content
In view of this, being provided a kind of mute without impact shifting the purpose of the utility model is to overcome the deficiencies in the prior art
Dynamic formula garbage compression box hydraulic system is big to solve the problems, such as existing refuse compaction equipment noise.
In order to achieve the above object, utility model adopts the following technical scheme that one kind is mute without impact mobile garbage compression
Case hydraulic system, comprising:
Power unit, auxiliary unit and execution unit, the power unit, auxiliary unit and execution unit are successively gone here and there
Connection forms sealed circuit；Between the oil outlet of the power unit and the oil inlet of the execution unit be equipped with pressure sensor and
Pressure measuring tie-in, is equipped with overflow valve between the oil outlet of the power unit and the oil inlet of the auxiliary unit, the pressure passes
Sensor and the overflow valve communicate to connect；
Counterbalance valve is equipped between the oil outlet of the execution unit and the oil inlet of the auxiliary unit.
Further, the execution unit includes: the first solenoid valve, second solenoid valve, third solenoid valve, check valve, pushes away
Shovel oil cylinder and overturning oil cylinder；The oil outlet of the power unit is connected to the oil inlet of the check valve, the check valve
Oil outlet is connected to the P hydraulic fluid port of first solenoid valve, the T hydraulic fluid port of first solenoid valve and the oil inlet of the auxiliary unit
Connection, the A hydraulic fluid port of first solenoid valve is connected to the P hydraulic fluid port of the second solenoid valve, the B hydraulic fluid port of first solenoid valve and
The P hydraulic fluid port of the third solenoid valve is connected to；The A hydraulic fluid port of the second solenoid valve is connected to the rod chamber of the overturning oil cylinder, institute
The B hydraulic fluid port for stating second solenoid valve is connected to the rodless cavity of the overturning oil cylinder；The A hydraulic fluid port of the third solenoid valve and the shoveling
The rod chamber of oil cylinder is connected to, and the B hydraulic fluid port of the third solenoid valve is connected to the rodless cavity of the shoveling oil cylinder；First electromagnetism
The T hydraulic fluid port of valve, the T hydraulic fluid port of second solenoid valve, third solenoid valve T hydraulic fluid port be connected to the oil inlet of the auxiliary unit；
Counterbalance valve is equipped between the T hydraulic fluid port of first solenoid valve and the oil inlet of the auxiliary unit.
Further, between the B hydraulic fluid port of first solenoid valve and the P hydraulic fluid port of the third solenoid valve, second electricity
Between the A hydraulic fluid port of magnet valve and the rod chamber of the overturning oil cylinder, the nothing of the B hydraulic fluid port of the second solenoid valve and the overturning oil cylinder
One-way throttle valve is equipped between rod cavity.
Further, the execution unit further include:
Controller, for controlling the time of the first solenoid valve, second solenoid valve, the power on/off of third solenoid valve；
First solenoid valve, second solenoid valve, third solenoid valve are connect with the controller respectively.
Further, first solenoid valve, second solenoid valve, third solenoid valve are all made of three-position four-way valve.
Further, the power unit includes:
Motor, shaft coupling and hydraulic oil pump；
Described shaft coupling one end is connect with the motor, and the other end is connect with the hydraulic oil pump, the hydraulic oil
The oil outlet of pump is connected to the oil inlet of the execution unit.
Further, the auxiliary unit includes:
Fuel tank, oil absorption filter, return oil filter, air cleaner, liquid temperature liquidometer, liquid-level switch and cooler；
The fuel tank is connected to by the oil absorption filter with the oil inlet of the power unit, and the return oil filter is logical
The cooler is crossed to be connected to the oil outlet of the power unit；
The liquid temperature liquidometer, air cleaner and liquid-level switch are arranged on the fuel tank, the oil suction oil strain
Device and the return oil filter are arranged at the fuel tank internal.
Further, the check valve is using threaded connection.
Further, the overflow valve is using threaded connection.
The utility model uses above technical scheme, and the attainable beneficial effect of institute includes:
One kind provided by the embodiments of the present application is mute without impact Mobile garbage compression box hydraulic system, and the utility model mentions
What is supplied is mute without impact Mobile garbage compression box hydraulic system, and first pressure release commutates again, reduces reversing impact, in the first solenoid valve
T mouth and the oil inlet of auxiliary unit between increase counterbalance valve, with prevent hydraulic oil-returning impact generate malfunction and mechanical structure
Noise.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of mute structural schematic diagram without impact Mobile garbage compression box hydraulic system of the utility model；
1, fuel tank；2, oil-suction oil filter；3, liquid temperature liquidometer；4, return oil filter；5, air cleaner；6, liquid level is opened
It closes；7, cooler；8, counterbalance valve；9, motor；10, shaft coupling；11, hydraulic oil pump；12, one-way throttle valve；13, overturning oil
Cylinder；14, shoveling oil cylinder；15, overflow valve；16, check valve；17, pressure measuring tie-in；18, pressure sensor；19, overflow valve；20,
One solenoid valve；21, second solenoid valve；22, third solenoid valve；23, hydraulic valve block；24, check valve；25, one-way throttle valve； 26,
Hydraulic control one-way valve；27, one-way throttle valve；28, oil control check valve.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
It is specific mute without impact mobile garbage pressure that one provided in the embodiment of the present application is introduced with reference to the accompanying drawing
Contracting case hydraulic system.
As shown in Figure 1, the utility model provide it is a kind of mute without impact Mobile garbage compression box hydraulic system, comprising:
Power unit, auxiliary unit and execution unit, the power unit, auxiliary unit and execution unit are once gone here and there
Connection forms sealed circuit；In some embodiments, set between the oil outlet of the power unit and the oil inlet of the execution unit
There are pressure sensor 18 and pressure measuring tie-in 17, is equipped between the oil outlet of the power unit and the oil inlet of the auxiliary unit
Overflow valve 15, the pressure sensor 18 are communicated to connect with the overflow valve 15.
Counterbalance valve 8 is equipped between the oil outlet of the execution unit and the oil inlet of the auxiliary unit.
Wherein, the execution unit includes: shoveling oil cylinder 14, overturning oil cylinder 13, check valve 16, the first solenoid valve 20,
Two solenoid valves 21 and third solenoid valve 22；The oil outlet of the power unit is connected to the oil inlet of the check valve 16, institute
The oil outlet for stating check valve 16 is connected to the P hydraulic fluid port of first solenoid valve 20, the A hydraulic fluid port of first solenoid valve 20 and institute
State the P hydraulic fluid port connection of second solenoid valve 21, the P hydraulic fluid port company of the B hydraulic fluid port of first solenoid valve 20 and the third solenoid valve 22
It is logical；The A hydraulic fluid port of the second solenoid valve 21 is connected to the rod chamber of the overturning oil cylinder 13, the B oil of the second solenoid valve 21
Mouth is connected to the rodless cavity of the overturning oil cylinder 13；The A hydraulic fluid port of the third solenoid valve 22 has bar with the shoveling oil cylinder 14
Chamber connection, the B hydraulic fluid port of the third solenoid valve 22 are connected to the rodless cavity of the shoveling oil cylinder 14；First solenoid valve 20
T hydraulic fluid port, the T hydraulic fluid port of second solenoid valve 21, third solenoid valve 22 T hydraulic fluid port be connected to the oil inlet of the auxiliary unit；
Counterbalance valve 8, counterbalance valve 8 are equipped between the T hydraulic fluid port of first solenoid valve 20 and the oil inlet of the auxiliary unit
For preventing hydraulic oil-returning impact from generating malfunction and mechanical structure noise.
In some embodiments, between the B hydraulic fluid port of first solenoid valve 20 and the P hydraulic fluid port of the third solenoid valve 22, institute
It states between the A hydraulic fluid port of second solenoid valve 21 and the rod chamber of the overturning oil cylinder 13, the B hydraulic fluid port of the second solenoid valve 21 and institute
It states and is equipped with one-way throttle valve between the rodless cavity of overturning oil cylinder 13.
Specifically, the B hydraulic fluid port of first solenoid valve 20 is connected to the oil inlet of one-way throttle valve 25, the one-way throttle
The oil outlet of valve 25 is connected to the P hydraulic fluid port of the third solenoid valve 22, the A hydraulic fluid port and one-way throttle valve of the second solenoid valve 21
12 oil inlet connection, the oil outlet of one-way throttle valve 12 are connected to the rod chamber of overturning oil cylinder 13；In another oil circuit, overturning
The rodless cavity of oil cylinder 13 is connected to the oil inlet of one-way throttle valve 27, the oil outlet and second solenoid valve 21 of one-way throttle valve 27
B hydraulic fluid port connection.
Wherein, oil control check valve 26 is equipped between oil control one-way throttle valve 12 and the A hydraulic fluid port of second solenoid valve, it is described unidirectional
Oil control check valve 28 is equipped between throttle valve 27 and the B hydraulic fluid port of the second solenoid valve.
The effect of throttling one-way valve 25 is delay pressure release.
In some embodiments, one kind provided by the present application is mute without impact Mobile garbage compression box hydraulic system, also wraps
It includes:
Controller (not shown), for control the first solenoid valve 20, second solenoid valve 21, third solenoid valve 22 it is logical
The time of power-off, so that above-mentioned solenoid valve obtains the electric time and is staggered.
First solenoid valve 20, second solenoid valve 21, third solenoid valve 22 are connect with the controller respectively.
Controller is also used to realize that dustbin hydraulic system realizes automation.Wherein, controller can using existing PLC
Programmable controller, it can be achieved that solenoid valve delay switch.
Wherein, first solenoid valve 20, second solenoid valve 21, third solenoid valve 22 are all made of three-position four-way valve.
In some embodiments, the power unit includes:
Motor 9, shaft coupling 10 and hydraulic oil pump 11；
Described 10 one end of shaft coupling is connect with the motor 9, and the other end is connect with the hydraulic oil pump 11, the liquid
The oil outlet of pressure oil pump 11 is connected to the oil inlet of the execution unit.
Wherein, hydraulic oil pump 11 stablizes constant pressure oil for providing, and realizes cylinder action, thrust output.
In some embodiments, the auxiliary unit includes:
Fuel tank 1, oil-suction oil filter 2, return oil filter 4, air cleaner 5, liquid temperature liquidometer 3, liquid-level switch 6 and cold
But device 7；
The fuel tank 1 is connected to by the oil-suction oil filter 2 with the oil inlet of the power unit, the return oil filter
4 are connected to by the cooler 7 with the oil outlet of the power unit；
The liquid temperature liquidometer 3, air cleaner 5 and liquid-level switch 6 are arranged on the fuel tank 1, the oil suction
Oil filter 2 and the return oil filter 4 are arranged inside the fuel tank 1.
Wherein, the mute check valve without in impact Mobile garbage compression box hydraulic system provided by the present application is all made of spiral shell
Line connection.
Mute use without overflow valve in impact Mobile garbage compression box hydraulic system provided by the present application is threadedly coupled, institute
Maximum pressure of the overflow valve for regulating system is stated, guarantees system trouble free service, to control oil cylinder power output.
One kind provided by the utility model is mute to can be realized motor 9 without impact Mobile garbage compression box hydraulic system
Non-loaded starting.Its working principle is that: it is powered to motor 9, the rotation of motor 9 drives hydraulic oil pump 11 to rotate, and oil liquid is by oil
Case 1 enters the inlet port of hydraulic oil pump by oil-suction oil filter 2, then arrives the oil outlet of hydraulic oil pump 11, passes through hydraulic oil pump 11
The pipeline connecting with hydraulic valve block 23 enters in hydraulic valve block 23, then by the 6 to the first solenoid valve of check valve 20, when the first electricity
The electromagnet DT2 of magnet valve 20 must not electricity when, hydraulic oil reaches the P hydraulic fluid port of the first solenoid valve 20, and P hydraulic fluid port leads to A hydraulic fluid port, oil liquid to the
The P hydraulic fluid port of two solenoid valves 21, P hydraulic fluid port lead to T hydraulic fluid port, flow through cooler 7 by T hydraulic fluid port, pass through return oil filter 4, return to fuel tank
1.Whole process realizes the non-loaded starting of motor 9.
14 piston rod of shoveling oil cylinder stretches out the principle compressed to rubbish: as the electromagnet DT1 of the first solenoid valve 20
When obtaining electric, hydraulic oil reaches the P hydraulic fluid port of the first solenoid valve 20, and the electromagnet DT1 of the first solenoid valve 20 is powered, and P hydraulic fluid port leads to B at this time
Hydraulic fluid port, A hydraulic fluid port lead to T hydraulic fluid port, so the oil liquid that hydraulic oil pump 11 is discharged can flow to B hydraulic fluid port again by the P hydraulic fluid port of the first solenoid valve 20
The P hydraulic fluid port of third solenoid valve 22 is arrived by check valve 25, the two of third solenoid valve 22 electromagnet DT5 and DT6 are obstructed at this time
Electricity, the P hydraulic fluid port of third solenoid valve 22 leads to A hydraulic fluid port and B hydraulic fluid port.The work that the two sides of 14 piston of shoveling oil cylinder can be under pressure simultaneously
With because two power are opposite, the small meeting of the power counteractings big by power, and extra power can be exported, the rodless cavity of shoveling oil cylinder 14
The area S2 both sides relation of area S1 and rod chamber is S1=2S2, system pressure P, then the power of rodless cavity piston is F1=P*
S1=P*2S2, the power formula of rod chamber piston are F2=P*S2, it is known that F1 is twice of F2, and F1 is greater than F2.Power F1 makes piston rod
It stretches out, power F2 is to retract piston rod.Because F1 is greater than F2, so piston rod is to make stretch out motion.The rodless cavity of shoveling oil cylinder 14
Oil inlet, the outside oil extraction of rod chamber.Oil liquid can flow to B hydraulic fluid port by the P hydraulic fluid port of third solenoid valve 22 and flow into shoveling oil cylinder 14 again at this time
Rodless cavity, rod chamber discharge oil liquid the nothing that B hydraulic fluid port also flows into shoveling oil cylinder 14 can be flowed to by the A hydraulic fluid port of third solenoid valve 22
Rod cavity.So rodless cavity enters in addition to the oil liquid that oil pump is discharged, there are also the oil liquid entrance of rod chamber discharge.The speed that piston rod stretches out
Degree formula is V=Q/S, and the flow that flow Q is equal to pump adds the flow of rod chamber discharge, so speed at this time is greater than hydraulic oil
Pump the speed of independent fuel feeding.The process realizes the quick stretching of piston rod, improves the working efficiency of equipment.This is shoveling
The fast pressure of oil cylinder 14.
After crimping contacts load to shoveling oil cylinder 14 fastly, system pressure will be increased, and when being increased to 16MPa, pressure is passed
The signal that sensor 18 can be detected, and be will test passes to controller, and controller will issue a commutation signal, third electromagnetism
The electromagnet DT5 of valve 22, which is powered, to commutate, and the P hydraulic fluid port of third solenoid valve 22 leads to B hydraulic fluid port at this time, and A hydraulic fluid port leads to T hydraulic fluid port, hydraulic oil pump
The oil liquid of 11 discharges will enter the rodless cavity of shoveling oil cylinder 14, and the oil liquid of rodless cavity reaches the B hydraulic fluid port of third solenoid valve 22,
Since B hydraulic fluid port leads to T hydraulic fluid port, the oil liquid of T hydraulic fluid port returns to fuel tank 1 through cooler 7 and return oil filter 4.In this way, shoveling oil cylinder 14
Rubbish is compressed, is returned after pressure maintaining after being compressed to most consolidation.
It is above-mentioned, before the return of shoveling oil cylinder 14, pressure release, the working principle of pressure release first are carried out to the rodless cavity of shoveling oil cylinder 14
It is as follows:
The electromagnet DT5 of third solenoid valve 22 remains powered on state, and the electromagnet DT1 power loss of the first solenoid valve 20, this
When the first solenoid valve 20 P hydraulic fluid port lead to A hydraulic fluid port, B hydraulic fluid port leads to T hydraulic fluid port, and above-mentioned B hydraulic fluid port has led to the rodless cavity of shoveling oil cylinder 14,
Because the B hydraulic fluid port of the first solenoid valve 20 leads to T hydraulic fluid port, T hydraulic fluid port leads to fuel tank 1, so the oil liquid of 14 rodless cavity of shoveling oil cylinder is electric to first
The B hydraulic fluid port of magnet valve 20, B hydraulic fluid port to T hydraulic fluid port return to fuel tank 1, shoveling oil through subcooler and return filter through T hydraulic fluid port
The compressed hydraulic oil of 14 rodless cavity of cylinder will return to fuel tank 1, and the pressure of rodless cavity will lower, then third solenoid valve
22 just do not have impact in commutation, and the oil liquid that in addition hydraulic oil pump 11 is discharged will return to oil as above-mentioned non-loaded starting
Case 1, so that 11 pressure release of hydraulic oil pump.Just also there will be no noises for no pressure impact in this way.
It should be noted that counterbalance valve 8 is opened after return pressure is greater than the cracking pressure 5bar of counterbalance valve 8, at this point,
A part of oily oil return box 1 can be discharged, when return pressure is lower than 5bar, counterbalance valve 8 is closed, and all oil returns are through subcooler and return
Oil strainer returns to fuel tank, counterbalance valve 8 can the big impact of return pressure, can prevent hydraulic oil-returning impact generate malfunction and
Mechanical structure noise.
After 14 pressure release of shoveling oil cylinder, controller controls the electromagnet DT1 of the first solenoid valve 20 and the electricity of third solenoid valve 22
Magnet DT6 is powered simultaneously, and the P hydraulic fluid port of the first solenoid valve 20 leads to B hydraulic fluid port, and A hydraulic fluid port leads to T hydraulic fluid port, the P hydraulic fluid port of third solenoid valve 22
Logical A hydraulic fluid port, B hydraulic fluid port lead to T hydraulic fluid port, P hydraulic fluid port of the oil liquid through the 16 to the first solenoid valve of check valve 20 that hydraulic oil pump 11 is discharged, P oil
Mouth leads to B hydraulic fluid port, and the P hydraulic fluid port of third solenoid valve 22 is arrived through B hydraulic fluid port to check valve 25, and P hydraulic fluid port leads to A hydraulic fluid port, and A hydraulic fluid port leads to shoveling oil cylinder
14 rod chamber.In this way, the oil liquid that hydraulic oil pump 11 is discharged will enter the rod chamber of shoveling oil cylinder 14, and shoveling oil cylinder 14
B hydraulic fluid port of the oil liquid of rodless cavity through third solenoid valve 22 is to T hydraulic fluid port, and T hydraulic fluid port leads to fuel tank 1, and the oil liquid of rodless cavity will return to
Fuel tank 1.The rod chamber oil inlet of shoveling oil cylinder 14, rodless cavity is fuel-displaced, and the piston rod of shoveling oil cylinder 14 will retract, and drives compression box
Compression head return, carry out the preparation of next second compression.
The application handles Mobile garbage compression box by delaying time of controller during the work time, and solenoid valve is obtained power loss
Time is staggered, and is commutated again when solenoid valve commutation using first pressure release, and extends venting duration when pressure release, to reduce hydraulic punch
It hits, reduces noise.
It is provided by the present application it is mute without feeding in impact Mobile garbage compression box hydraulic system and under the working principle turned over
Are as follows:
When the electromagnet DT2 of the electromagnet DT4 of second solenoid valve 21 and the first solenoid valve 20 is powered, then second solenoid valve
21 P hydraulic fluid port leads to B hydraulic fluid port, and A hydraulic fluid port leads to T hydraulic fluid port, P hydraulic fluid port of the oil liquid through the first solenoid valve 20 that hydraulic oil pump 11 is discharged to A oil
Mouth arrives the P hydraulic fluid port of second solenoid valve 21 to B hydraulic fluid port again, then the rodless cavity of overturning oil cylinder 13, overturning oil cylinder 13 are arrived through check valve 12
The A hydraulic fluid port of restriction of the oil liquid of rod chamber through check valve 12 to second solenoid valve 21 arrives T hydraulic fluid port again, through cooler 7 and oil return
Oil filter 4 returns to fuel tank 1, and the piston rod of overturning oil cylinder 13 stretches out at this time, completes the movement of feeding.
The retraction of 13 piston rod of overturning oil cylinder is turned under being, at this time the electromagnet DT3 of second solenoid valve 21 and the first solenoid valve 20
Electromagnet DT2 be powered, DT4 no power, then the P hydraulic fluid port of second solenoid valve 21 leads to A hydraulic fluid port, and B hydraulic fluid port leads to T hydraulic fluid port, hydraulic oil pump
For example above-mentioned P hydraulic fluid port to second solenoid valve 21 of oil liquid of 11 discharges, P hydraulic fluid port to A hydraulic fluid port are turned over through A hydraulic fluid port and the arrival of check valve 12
Turn the rod chamber of oil cylinder 13, the oil liquid of rodless cavity is through the B hydraulic fluid port of the restriction of check valve 12 to second solenoid valve 21, B hydraulic fluid port to T
Hydraulic fluid port, then fuel tank 1 is returned to through cooler 7 and return oil filter 4.
In some embodiments, overflow valve 15 and overflow valve 19 play safety and overflow in systems, work as system pressure
When reaching setting value, spool opens overflow, and when system pressure is less than setting value, spool is closed.
In conclusion it is provided by the utility model mute without impact Mobile garbage compression box hydraulic system, it can make to move
Solenoid valve is obtained the power loss time and is staggered by formula garbage compression box during the work time by the delay process of controller, and solenoid valve
It is commutated again when commutation using first pressure release, and is that venting duration is extended by multistage pressure release when pressure release, to reduce hydraulic shock.
In the T mouth increase counterbalance valve of the first solenoid valve, to prevent hydraulic oil-returning impact from generating malfunction and mechanical structure noise.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (9)
1. a kind of mute without impact Mobile garbage compression box hydraulic system characterized by comprising
Power unit, auxiliary unit and execution unit, the power unit, auxiliary unit and execution unit are sequentially connected in series shape
At sealed circuit；It is equipped with pressure sensor between the oil outlet of the power unit and the oil inlet of the execution unit and surveys pressure
Connector is equipped with overflow valve, the pressure sensor between the oil outlet of the power unit and the oil inlet of the auxiliary unit
It is communicated to connect with the overflow valve；
Counterbalance valve is equipped between the oil outlet of the execution unit and the oil inlet of the auxiliary unit.
2. according to claim 1 mute without impact Mobile garbage compression box hydraulic system, which is characterized in that
The execution unit includes: the first solenoid valve, second solenoid valve, third solenoid valve, check valve, shoveling oil cylinder and turns over
Turn oil cylinder；The oil outlet of the power unit is connected to the oil inlet of the check valve, the oil outlet of the check valve with it is described
The P hydraulic fluid port of first solenoid valve is connected to, and the T hydraulic fluid port of first solenoid valve is connected to the oil inlet of the auxiliary unit, and described the
The A hydraulic fluid port of one solenoid valve is connected to the P hydraulic fluid port of the second solenoid valve, the B hydraulic fluid port of first solenoid valve and third electricity
The P hydraulic fluid port of magnet valve is connected to；The A hydraulic fluid port of the second solenoid valve is connected to the rod chamber of the overturning oil cylinder, second electromagnetism
The B hydraulic fluid port of valve is connected to the rodless cavity of the overturning oil cylinder；The A hydraulic fluid port of the third solenoid valve has bar with the shoveling oil cylinder
Chamber connection, the B hydraulic fluid port of the third solenoid valve are connected to the rodless cavity of the shoveling oil cylinder；The T hydraulic fluid port of first solenoid valve,
The T hydraulic fluid port of second solenoid valve, the T hydraulic fluid port of third solenoid valve are connected to the oil inlet of the auxiliary unit；
Counterbalance valve is equipped between the T hydraulic fluid port of first solenoid valve and the oil inlet of the auxiliary unit.
3. according to claim 2 mute without impact Mobile garbage compression box hydraulic system, which is characterized in that
Between the B hydraulic fluid port of first solenoid valve and the P hydraulic fluid port of the third solenoid valve, the A hydraulic fluid port of the second solenoid valve with
It is all provided between the rod chamber of the overturning oil cylinder, between the B hydraulic fluid port of the second solenoid valve and the rodless cavity of the overturning oil cylinder
There is one-way throttle valve.
4. according to claim 2 mute without impact Mobile garbage compression box hydraulic system, which is characterized in that described to hold
Row unit further include:
Controller, for controlling the time of the first solenoid valve, second solenoid valve, the power on/off of third solenoid valve；
First solenoid valve, second solenoid valve, third solenoid valve are connect with the controller respectively.
5. according to claim 2 mute without impact Mobile garbage compression box hydraulic system, which is characterized in that
First solenoid valve, second solenoid valve, third solenoid valve are all made of three-position four-way valve.
6. according to claim 1 mute without impact Mobile garbage compression box hydraulic system, which is characterized in that described dynamic
Power unit includes:
Motor, shaft coupling and hydraulic oil pump；
Described shaft coupling one end is connect with the motor, and the other end is connect with the hydraulic oil pump, the hydraulic oil pump
Oil outlet is connected to the oil inlet of the execution unit.
7. according to claim 1 mute without impact Mobile garbage compression box hydraulic system, which is characterized in that described auxiliary
The unit is helped to include:
Fuel tank, oil-suction oil filter, oil absorption filter, return oil filter, air cleaner, liquid temperature liquidometer, liquid-level switch and
Cooler；
The fuel tank is connected to by the oil absorption filter with the oil inlet of the power unit, and the return oil filter passes through institute
Cooler is stated to be connected to the oil outlet of the power unit；
The liquid temperature liquidometer, air cleaner and liquid-level switch are arranged on the fuel tank, the oil-suction oil filter and
The return oil filter is arranged at the fuel tank internal.
8. according to claim 2 mute without impact Mobile garbage compression box hydraulic system, which is characterized in that
The check valve is using threaded connection.
9. according to claim 1 mute without impact Mobile garbage compression box hydraulic system, which is characterized in that
The overflow valve is using threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908514.0U CN208531363U (en) | 2018-06-12 | 2018-06-12 | It is mute without impact Mobile garbage compression box hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908514.0U CN208531363U (en) | 2018-06-12 | 2018-06-12 | It is mute without impact Mobile garbage compression box hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208531363U true CN208531363U (en) | 2019-02-22 |
Family
ID=65381829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820908514.0U Active CN208531363U (en) | 2018-06-12 | 2018-06-12 | It is mute without impact Mobile garbage compression box hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208531363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406863A (en) * | 2019-06-20 | 2019-11-05 | 张家港市沙洲车辆有限公司 | A kind of hydraulic control method and control device of garbage truck |
-
2018
- 2018-06-12 CN CN201820908514.0U patent/CN208531363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406863A (en) * | 2019-06-20 | 2019-11-05 | 张家港市沙洲车辆有限公司 | A kind of hydraulic control method and control device of garbage truck |
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Effective date of registration: 20220113 Address after: 410000 room 2224, 22 / F, apartment hotel, building S1, Vanke golden dream community, 198 Dongchi Road, Changsha high tech Development Zone, Changsha, Hunan Patentee after: Changsha bosleijie Technology Co.,Ltd. Address before: 413000 Yuanshan Road, East Industrial Park, Yiyang high tech Zone, Yiyang City, Hunan Province Patentee before: BOSLJ ENVIRONMENTAL PROTECTION TECHNOLOGY (YIYANG) CO.,LTD. |