CN106640799B - A kind of energy-saving upper dress system of pure electric compression type garbage truck - Google Patents
A kind of energy-saving upper dress system of pure electric compression type garbage truck Download PDFInfo
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- CN106640799B CN106640799B CN201710083898.7A CN201710083898A CN106640799B CN 106640799 B CN106640799 B CN 106640799B CN 201710083898 A CN201710083898 A CN 201710083898A CN 106640799 B CN106640799 B CN 106640799B
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- 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
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/14—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle
-
- 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
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- 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)
- Refuse-Collection Vehicles (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A kind of energy-saving upper dress system of pure electric compression type garbage truck, including turning over a barrel oil cylinder, elevating ram, scraper plate oil cylinder, skateboard tank, push pedal oil cylinder, system also includes power unit I, closed-type cylindrical gearing unit II, push pedal system III, master controller, tankage can be greatly reduced using closed system, simplied system structure, motor speed is set according to the operating mode of actuator, even when upper installing is not for working, motor stalls, so improve operating efficiency, eliminate empty stream and throttling loss, the electric power generation under negative load behavior, load gravitional force can be converted into electric energy, simultaneously, under rubbish bi-directional compression operating mode, overflow energy during compression can be reclaimed, so greatly reduce the consumption of the energy content of battery, improve the course continuation mileage of vehicle and extend the life-span of battery.
Description
Technical field
The invention belongs to technical field of hydraulic pressure, and in particular to a kind of pure energy-saving upper dress system of electric compression type garbage truck.
Background technology
The special sanitation vehicle that rear-loading compression type garbage truck is a kind of refuse collection with transhipment, have rubbish freight volume big and
The advantages of can avoiding spilling on the way and causing secondary pollution.Its structure mainly includes：Two class automobile chassises, sealing dustbin, push away
Trigger structure, sizer, scraper plate sled mechanism, the hydraulic pressure and electrical system of tilting device and correlation.Specific workflow is：Incline
Focusing device digs dustbin, and rubbish enters bucket；Turned on scraper plate；Slide plate declines in place with scraper plate；Board reversal is scraped to dig rubbish；
Slide plate rises with scraper plate, and rubbish is pressed into case.Until dustbin is filled, rubbish is transported to dumping ground, filler for cycle operation
Device is integrally flipped up in the presence of elevating ram, and push pedal oil cylinder, which stretches out, promotes push pedal to be moved rearwards, and FCL rubbish is released
Discharging outside car.
With the continuous reinforcement of people's environmental consciousness, requirement of the various regions government to discharge increasingly improves, and pure electric automobile
There is zero-emission, low noise and high efficiency, therefore increasingly paid attention to by country and enterprise, it is various pure electronic riding
Car is largely introduced to the market.At present, the application of electric automobile also gradually penetrates into the special-purpose vehicle such as environmental sanitation, postal service, logistics field,
Wherein, pure electric compression type garbage truck has gradually been introduced to the market by main frame producer at present.And private host factory exploitation at present is pure
The basic ideas of electric compression type garbage truck are that traditional upper dress hydraulic system is configured on pure electric vehicle chassis, and system principle is such as
Shown in Fig. 1, the structure is that traditional constant displacement pump opens center multi-way valve system, each logical multichannel of a piece of three six of group oil cylinder connection
Valve, direction and the speed of each group oil cylinder are controlled, the program can meet to install standby job requirement, but energy consumption is higher, no
It is as follows beneficial to effective utilization of the energy content of battery, specific manifestation：
（1）For compression type garbage truck, it is necessary to will manually change dustbin during rubbish is loaded, this process is short then several
Second, long then need a few minutes, this period of time motor-driven hydraulic pumps is not done work, therefore all wastes of the energy of this period；
（2）It is multi executors system to be installed on this standby, and the commutation and speed governing per group oil cylinder are all next real by multichannel valve group
Now, when oil cylinder speed governing, the throttling loss of valve port is larger, when particularly low speed is run；
（3）Turn over a barrel oil cylinder, scraper plate oil cylinder, skateboard tank and elevating ram and a large amount of negative load works in the course of the work be present
Condition, multichannel valve control system are to provide back pressure using the liquid resistance or balanced valve of valve port, oil cylinder is operated steadily, therefore these works
All loss is converted to heat in valve port and consumed the potential energy of load under condition.
（4）Traditional compression mechanism is that the function of bi-directional compression is realized using counterbalance valve in Fig. 1, therefore in counterbalance valve
Overflow valve loss be present in overflow valve；
Effective utilization of electric energy in electrokinetic cell can be all unfavorable in terms of the above, so as to influence the course continuation mileage of vehicle
And battery life.
The content of the invention
To solve the above problems, the invention provides a kind of pure energy-saving upper dress system of electric compression type garbage truck, the party
The sky that case can reduce in original system flows, throttling loss, and reclaims overflow energy when loading gravitional force and bi-directional compression, because
This can improve the effective rate of utilization of battery power.
Scheme is used by the present invention solves its technical problem：
The pure energy-saving upper dress system of electric compression type garbage truck, including turn over a barrel oil cylinder, elevating ram, scraper plate oil cylinder, slide plate
Oil cylinder, push pedal oil cylinder, it is characterised in that system also includes power unit I, closed-type cylindrical gearing unit II, push pedal system III, master control
Device processed；
The power unit I includes buncher, electric machine controller, electrokinetic cell, and electrokinetic cell is directly connected to motor control
The dc bus end of device processed, electric machine controller clutch end connection buncher；
The closed-type cylindrical gearing unit II includes two-way quantitative pump/motor, the first 2/2-way solenoid directional control valve ~ 8 two
Two electric change valves, the first hydraulic control one-way valve, the second hydraulic control one-way valve V, the first safety valve V, the second safety valve V, the 3rd pressure
The proximity switch of force snesor, the first proximity switch ~ the 8th, the inlet and outlet of two-way quantitative pump/motor connect respectively to be turned over a barrel oil cylinder, lifts
Oil-lifting jar, scraper plate oil cylinder, two chambers of each group oil cylinder of skateboard tank, in foregoing each chamber of group oil cylinder two and two-way quantitative pump/horse
Separated respectively with a 2/2-way solenoid directional control valve between the inlet and outlet reached；Signature is per group oil cylinder piston rod in impulse stroke
Most short and most long position is respectively equipped with proximity switch；The outlet of two safety valves is connected, and the entrance of two safety valves connects respectively
It is connected on the entrance and exit of two-way quantitative pump/motor；The positive entrance of two hydraulic control one-way valves is connected, two hydraulic control one-way valves
Outlet is connected to the entrance and exit of two-way quantitative pump/motor, and each hydraulic control mouth is connected to going out for docking hydraulic control one-way valve
Mouthful, i.e., the outlet of relative hydraulic control one-way valve；Safe valve outlet and hydraulic control one-way valve forward direction entrance is joined directly together；
The push pedal system III include the 2/2-way solenoid directional control valve of the 9th 2/2-way solenoid directional control valve ~ the 12nd with
And the 14th 2/2-way solenoid directional control valve, three position four-way directional control valve, check valve, first pressure sensor, second pressure sensing
Device, high pressure accumulator, low pressure accumulator, two outlets of three position four-way directional control valve connect two chambers of push pedal oil cylinder, push pedal respectively
The small chamber of oil cylinder is connected by check valve with fuel tank, passes through the 12nd two between the big chamber and high pressure accumulator of push pedal oil cylinder
Electric change valve is connected, and high pressure accumulator is connected with low pressure accumulator by the 10th two electric change valves, low pressure
The outlet of accumulator separates two parallel branch, one article of the 14th 2/2-way solenoid directional control valve and two-bit triplet by series connection
Solenoid directional control valve is connected with the entrance of two-way quantitative pump/motor, another article of branch by the 9th 2/2-way solenoid directional control valve with
Safe valve outlet connects with the tie point of hydraulic control one-way valve forward direction entrance；The survey of first pressure sensor and second pressure sensor
Pressure mouth is respectively provided at high pressure accumulator outlet and the outlet of the 9th 2/2-way solenoid directional control valve.
Buncher in power unit I mechanically connects with two-way quantitative pump/motor, and electric machine controller leads to master controller
Cross CAN communication；
All 2/2-way solenoid directional control valves and two-bit triplet solenoid directional control valve, the electromagnetism of three-position four-way electromagnetic directional valve
The output end of iron connection master controller, the signal acquisition mouth of the signal output part connection master controller of two pressure sensors, eight
The signal acquisition mouth of the signal output port connection master controller of individual proximity switch.
Further scheme is that described buncher can be AC induction motor, permagnetic synchronous motor or switch magnetic
Hinder motor；
Further scheme is：All 2/2-way solenoid directional control valves are using two-way plug-in valve as main valve, electromagnetism
Structure type of the ball valve as pilot valve；
System is filled on pure electric compression type garbage truck is energy-saving, two hydraulic control one-way valves are as Fill valve；Using low pressure
Accumulator is as the chamber flow matches element of cylinder with differential effect two；The unit that buncher is formed with controller has four quadrant running work(
Can, i.e. can rotate forward can also invert and not only can be with electronic but also can be with generator operation under every kind of steering；Described two-way quantitative
Pump/motor, the i.e. function with bidirectional rotation, and pump condition is both may operate under each steering, horse is may operate in again
Up to operating mode；
Contain control program in master controller, according to the state of the signal value of two pressure sensors, eight proximity switches
To control buncher steering, rotating speed, the break-make of reversal valve electromagnet current.
Beneficial effects of the present invention：Tankage can be greatly reduced using closed system, simplied system structure, according to holding
The operating mode of row device sets motor speed, in addition upper installing is standby do not work when, motor stalling, so improve operating efficiency, take
Disappeared empty stream and throttling loss, the electric power generation under negative load behavior, load gravitional force can be converted into electric energy, meanwhile,
Under rubbish bi-directional compression operating mode, overflow energy during compression can be reclaimed, the consumption of the energy content of battery is so greatly reduced, carries
The high course continuation mileage of vehicle and the life-span for extending battery.
Brief description of the drawings
Fig. 1 compression type garbage trucks traditionally install standby hydraulic scheme；
Fig. 2 systematic schematic diagrams of the embodiment of the present invention；
The quantitative pump/motor of 1- bunchers, 2- electric machine controllers, 3- electrokinetic cells, 4- two-way pumps, 5- high pressures store in Fig. 2
Can device, 6- low pressure accumulators, 7- push pedals oil cylinder, 8- check valves, 9- first pressures sensor, 10- second pressures sensor, 11-
3rd pressure sensor, 12- master controllers, 13- turn over a barrel oil cylinder, 14- elevating rams, 15- scraper plates oil cylinder, 16- skateboard tanks,
The first 2/2-ways of the VD1- reversal valve ~ 2/2-way solenoid directional control valves of VD9- the 9th, VD10- two-bit triplets solenoid directional control valve,
The 10th two electric change valves of VD11-, the 2/2-way reversal valves of VD12- the 12nd, VD13- 3-position 4-way electromagnetic switch
The 2/2-way solenoid directional control valves of valve VD14- the 14th, the proximity switches of the first proximity switches of J1- ~ J8- the 8th, V1- the first hydraulic control lists
To valve, the hydraulic control one-way valves of V2- second, the safety valves of V3- first, the safety valves of V4- second；
I- power units, II- closed-type cylindrical gearings unit, III- push pedal systems.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Fig. 2
The pure energy-saving upper dress system of electric compression type garbage truck, including turn over barrel oil cylinder 13, elevating ram 14, scraper plate oil cylinder
15th, skateboard tank 16, push pedal oil cylinder 7, it is characterised in that system also includes power unit I, closed-type cylindrical gearing unit II, push pedal system
System III, master controller 12；
The power unit I includes buncher 1, electric machine controller 2, electrokinetic cell 3, and electrokinetic cell 3 is directly connected to electricity
The dc bus end of machine controller 2, the clutch end of electric machine controller 2 connection buncher 1；
The closed-type cylindrical gearing unit II includes two-way quantitative pump/motor 4, the first 2/2-way solenoid directional control valve VD1 ~ 8
2/2-way solenoid directional control valve VD8, the first hydraulic control one-way valve V1, the second hydraulic control one-way valve V2, the first safety valve V3, the second safety
The proximity switch J8 of valve V4, the 3rd pressure sensor 11, the first proximity switch J1 ~ the 8th, the inlet and outlet of two-way quantitative pump/motor 4
Barrel oil cylinder 13, elevating ram 14, scraper plate oil cylinder 15, two chambers of 16 each group oil cylinder of skateboard tank are turned in connection respectively, foregoing every
Separated respectively with a 2/2-way solenoid directional control valve between the inlet and outlet of the chamber of one group oil cylinder two and two-way quantitative pump/motor 4；Label
Administration is respectively equipped with proximity switch per group oil cylinder piston rod in the most short and most long position of impulse stroke；The outlet of two safety valves
It is connected, the entrance of two safety valves is connected to the entrance and exit of two-way quantitative pump/motor 4；Two hydraulic control one-way valves
Positive entrance is connected, and two fluid-control one-way valve outlets are connected to the entrance and exit of two-way quantitative pump/motor 4, each liquid
Control mouth is connected to the outlet of docking hydraulic control one-way valve；Safe valve outlet and hydraulic control one-way valve forward direction entrance is joined directly together；
The push pedal system III include the 9th 2/2-way solenoid directional control valve VD9, two-bit triplet solenoid directional control valve VD10,
10th two electric change valve VD11, the 12nd 2/2-way solenoid directional control valve VD12, the 14th 2/2-way electromagnetism
Reversal valve VD14, three position four-way directional control valve VD13, check valve 8, first pressure sensor 9, second pressure sensor 10, high pressure store
Energy device 5, low pressure accumulator 6, three position four-way directional control valve VD13 two outlets connect two chambers of push pedal oil cylinder 7, push pedal oil respectively
The small chamber of cylinder 7 is connected by check valve 8 with fuel tank, passes through the 12nd between the big chamber and high pressure accumulator 5 of push pedal oil cylinder 7
Two electric change valve VD12 connections, high pressure accumulator 5 and low pressure accumulator 6 pass through the 10th two electric change valves
VD11 connections, the outlet of low pressure accumulator 6 separate two parallel branch, and one article is changed by the 14th 2/2-way electromagnetism of series connection
It is connected to valve VD14 and two-bit triplet solenoid directional control valve VD10 with the entrance of two-way quantitative pump/motor 4, another article of branch passes through
Nine 2/2-way solenoid directional control valve VD9 are connected with the tie point of safe valve outlet and hydraulic control one-way valve forward direction entrance；First pressure
The pressure tap of sensor 9 and second pressure sensor 10 is respectively provided at the outlet of high pressure accumulator 5 and the 9th 2/2-way electromagnetism changes
Outlet to valve VD9.
Buncher 1 in power unit I mechanically connects with two-way quantitative pump/motor 4, electric machine controller 2 and main control
Device 12 is communicated by CAN；
All 2/2-way solenoid directional control valves and two-bit triplet solenoid directional control valve VD10, three-position four-way electromagnetic directional valve
The output end of VD13 electromagnet connection master controller 12, the signal output part connection master controller 12 of two pressure sensors
Signal acquisition mouth, the signal acquisition mouth of the signal output port connection master controller 12 of eight proximity switches.Wherein, described tune
Speed motor 1 can be AC induction motor, permagnetic synchronous motor or switched reluctance machines；
All 2/2-way solenoid directional control valves are using two-way plug-in valve as main valve, and Solenoid ball valve is as pilot valve
Structure type；
The pure energy-saving upper dress system specific work process of electric compression type garbage truck is described as follows：
System electrification, before executing agency's action, master controller 12 controls the 9th 2/2-way solenoid directional control valve VD9 and the tenth
Four 2/2-way solenoid directional control valve VD14 dead electricity are closed, and two-bit triplet solenoid directional control valve VD10, the 10th two energization magnetic change
It must be conducted to valve VD11, the 12nd 2/2-way solenoid directional control valve VD12, the pressure value P of detection second pressure sensor 10,
When pressure P is less than setting value Pmin, then master controller 12 sends the target of buncher 1 by CAN to electric machine controller 2
Rotating speed and enabled instruction, the topping up into low pressure accumulator 6 of two-way quantitative pump/motor 4, when pressure reaches setting value Pmax, adjust
The rotating speed of target of speed motor 1 is 0, electric motor starting instruction failure, and it is electric to control the 9th two two barrels of solenoid directional control valve VD9 to obtain, two
Three-way solenoid valve VD10, the 10th two electric change valves, the 12nd 2/2-way solenoid directional control valve VD12 dead electricity
Close, complete to fill energy to low pressure accumulator 6；
When turning over the action of barrel oil cylinder 13, the first 2/2-way solenoid directional control valve VD1 and the 5th 2/2-way solenoid directional control valve
VD5 must be conducted, the 2/2-way solenoid directional control valve VD4 of the second 2/2-way solenoid directional control valve VD2 ~ the 4th, the 6th 2/2-way
The 2/2-way solenoid directional control valve VD8 dead electricity of solenoid directional control valve VD6 ~ the 8th is closed, and master controller 12 sends speed governing by CAN
The rotating speed of target of motor 1 and steering.For example turn over barrel oil cylinder 13 and stretch out lifting dustbin, two-way quantitative pump/motor 4 exports fluid
To 13 big chamber of barrel oil cylinder is turned over, due to small chamber oil return, the flow-rate ratio oil-feed of small chamber oil return is small, therefore the tapping of low pressure accumulator 6 and small
Chamber collaborates to the fuel feeding of two-way quantitative pump/motor 4；When turning over the retraction of barrel oil cylinder 13, buncher 1, which turns to, to be changed, now the small chamber of oil cylinder
Feed liquor, big chamber return liquid, return flow quantity and are more than flow needed for two-way quantitative pump/motor 4, and redundance stores into accumulator, because
This accumulator can play a part of flow matches.
When elevating ram 14 acts, the second 2/2-way solenoid directional control valve VD2 and the 6th 2/2-way solenoid directional control valve
VD6 must be conducted, the 2/2-way of the first 2/2-way solenoid directional control valve VD1, the 3rd 2/2-way solenoid directional control valve VD3 ~ the 5th
The 2/2-way solenoid directional control valve VD8 dead electricity of solenoid directional control valve VD5, the 7th 2/2-way solenoid directional control valve VD7 ~ the 8th is closed, oil
When cylinder 14 stretches out and turn over barrel oil cylinder 13 and act similar, compression mechanism decentralization during retraction, now the gravity of compression mechanism causes two-way
Quantitative pump/motor 4 is operated in motor operating conditions, and motor is in generating state, so gravitional force can be converted into power storage
In electrokinetic cell.
When scraper plate oil cylinder 15 acts, its course of work is similar with elevating ram.
When skateboard tank 16 acts, the 4th 2/2-way solenoid directional control valve VD4, the 8th 2/2-way solenoid directional control valve
VD8 must be conducted, the 2/2-way solenoid directional control valve VD3 of the first 2/2-way solenoid directional control valve VD1 ~ the 3rd, the 5th 2/2-way
The 2/2-way solenoid directional control valve VD7 dead electricity of solenoid directional control valve VD5 ~ the 7th is closed, when skateboard tank 16 is retracted, when the 3rd pressure passes
When 11 measuring pressures of sensor are less than setting value Ps, the 12nd 2/2-way solenoid directional control valve VD12 dead electricity is closed, now two-way fixed
Measure the output work for skateboard tank 16 and push pedal oil cylinder 7 entirely of pump/motor 4, all one's effort compressed garbage, when pressure is more than or equal to
During setting value Ps, then the 12nd 2/2-way solenoid directional control valve VD12 must be conducted, and make push pedal oil cylinder 7 continue to retract, but will
A part of pressure transmission completes rubbish loading process, when skateboard tank 16 is retracted in place, i.e., the 7th is close to high pressure accumulator 5
It is 1 to switch J7 signals, and motor stalling, the 12nd 2/2-way solenoid directional control valve VD12 dead electricity is closed, the 10th two energization
Magnetic reversal valve VD11 must be conducted, and by the pressure transmission of high pressure accumulator 5 into low pressure accumulator 6, and detect first pressure biography
The pressure value of sensor 9, when pressure is less than P0, then illustrate that high pressure accumulator 5 and low pressure accumulator 6 reach pressure balance, control the
10 two electric change valve VD11 dead electricity are closed.
When garbage truck is in dumping ground, detection second pressure sensor 10, is two when pressure is more than Pm, wherein Pm and Pmin
Individual different amount, Pm>Pmin, when the pressure of low pressure accumulator 6 is more than Pm, then accumulator tapping stand-by motor drives hydraulic pump,
And when the pressure of low pressure accumulator 6 is less than Pmin, then accumulator stops tapping, and hydraulic pump is operated alone by motor and then controls
Two-bit triplet solenoid directional control valve VD10 dead electricity is in right valve position, and the 14th 2/2-way solenoid directional control valve magnetic valve VD14 obtains conductance
Logical, master controller 2 controls buncher 1 to run, the 2/2-way electromagnetic switch of the first 2/2-way solenoid directional control valve VD1 ~ the 8th
Valve VD8 dead electricity, control three-position four-way electromagnetic directional valve VD13 left sides electromagnet, which obtains, electric makes valve be in left position so as to push pedal oil cylinder
7 big chamber output pressure, the energy auxiliary governor motor in such low pressure accumulator 6 do work to two-way quantitative pump/motor 4, made
Push pedal oil cylinder 7 stretches out；And the pressure value of second pressure sensor 10 then controls two-bit triplet electromagnetism to change when being less than setting value Pmin
It must be conducted to valve VD10, the 14th 2/2-way solenoid directional control valve VD14 dead electricity is closed, now due in low pressure accumulator 6
Fluid discharges, then individually two-way quantitative pump/motor 4 is done work by buncher 1, completes refuse-unloading process.
When executing agency is failure to actuate, buncher 1 is out of service, can so avoid the empty stream loss of original system.
Claims (1)
1. a kind of energy-saving upper dress system of pure electric compression type garbage truck, including turn over a barrel oil cylinder（13）, elevating ram（14）, scraper plate
Oil cylinder（15）, skateboard tank（16）, push pedal oil cylinder（7）, it is characterised in that system also includes power unit（I）, closed-type cylindrical gearing list
Member（II）, push pedal system（III）, master controller（12）；
The power unit（I）Including buncher（1）, electric machine controller（2）, electrokinetic cell（3）, electrokinetic cell（3）Directly
Connect electric machine controller（2）Dc bus end, electric machine controller（2）Clutch end connects buncher（1）；
The closed-type cylindrical gearing unit（II）Including two-way quantitative pump/motor（4）, the first 2/2-way solenoid directional control valve（VD1）~ the
Eight 2/2-way solenoid directional control valves（VD8）, the first hydraulic control one-way valve（V1）, the second hydraulic control one-way valve（V2）, the first safety valve
（V3）, the second safety valve（V4）, the 3rd pressure sensor（11）, the first proximity switch（J1）~ the eight proximity switch（J8）, it is two-way
Quantitative pump/motor（4）Inlet and outlet connect turn over a barrel oil cylinder respectively（13）, elevating ram（14）, scraper plate oil cylinder（15）, skateboard tank
（16）Two chambers of each group oil cylinder, in foregoing each chamber of group oil cylinder two and two-way quantitative pump/motor（4）Inlet and outlet between respectively
Separated with a 2/2-way solenoid directional control valve；It is foregoing to divide per group oil cylinder piston rod in the most short and most long position of impulse stroke
She You not proximity switch；The outlet of two safety valves is connected, and the entrance of two safety valves is connected to two-way quantitative pump/motor
（4）Entrance and exit；The positive entrance of two hydraulic control one-way valves is connected, and the outlets of two hydraulic control one-way valves is connected to double
To quantitative pump/motor（4）Entrance and exit, each hydraulic control mouth be connected to docking hydraulic control one-way valve outlet；Safe valve outlet
It is joined directly together with hydraulic control one-way valve forward direction entrance；
The push pedal system（III）Including the 9th 2/2-way solenoid directional control valve（VD9）, two-bit triplet solenoid directional control valve
（VD10）, the 10th two electric change valve（VD11）, the 12nd 2/2-way solenoid directional control valve（VD12）, the 14th liang
Two electric change valves of position（VD14）, three position four-way directional control valve（VD13）, check valve（8）, first pressure sensor（9）, second
Pressure sensor（10）, high pressure accumulator（5）, low pressure accumulator（6）, three position four-way directional control valve（VD13）Two outlet difference
Connect push pedal oil cylinder（7）Two chambers, push pedal oil cylinder（7）Small chamber pass through check valve（8）It is connected with fuel tank, is given by the check valve
Push pedal oil cylinder（7）Small chamber repairing, push pedal oil cylinder（7）Big chamber and high pressure accumulator（5）Between pass through the 12nd 2/2-way
Solenoid directional control valve（VD12）Connection, high pressure accumulator（5）And low pressure accumulator（6）Pass through the 10th two electric change valves
（VD11）Connection, low pressure accumulator（6）Outlet separate two parallel branch, one article of the 14th 2/2-way electricity by series connection
Magnetic reversal valve（VD14）With two-bit triplet solenoid directional control valve（VD10）With two-way quantitative pump/motor（4）Entrance connection, another
Branch passes through the 9th 2/2-way solenoid directional control valve（VD9）Connect with the tie point of safe valve outlet and hydraulic control one-way valve forward direction entrance
Connect；First pressure sensor（9）With second pressure sensor（10）Pressure tap be respectively provided at high pressure accumulator（5）Outlet and the
Nine 2/2-way solenoid directional control valves（VD9）Outlet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083898.7A CN106640799B (en) | 2017-02-16 | 2017-02-16 | A kind of energy-saving upper dress system of pure electric compression type garbage truck |
| CN201810193528.3A CN108533544B (en) | 2017-02-16 | 2017-02-16 | Energy-saving loading system of pure electric compression type garbage truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083898.7A CN106640799B (en) | 2017-02-16 | 2017-02-16 | A kind of energy-saving upper dress system of pure electric compression type garbage truck |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810193528.3A Division CN108533544B (en) | 2017-02-16 | 2017-02-16 | Energy-saving loading system of pure electric compression type garbage truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640799A CN106640799A (en) | 2017-05-10 |
| CN106640799B true CN106640799B (en) | 2018-03-16 |
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| CN201710083898.7A Active CN106640799B (en) | 2017-02-16 | 2017-02-16 | A kind of energy-saving upper dress system of pure electric compression type garbage truck |
| CN201810193528.3A Active CN108533544B (en) | 2017-02-16 | 2017-02-16 | Energy-saving loading system of pure electric compression type garbage truck |
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| CN109958674B (en) * | 2017-12-25 | 2020-12-29 | 陕西汽车集团有限责任公司 | Automatic compensation control device and method for back pressure of push shovel of compression type garbage truck |
| CN108386402B (en) * | 2018-02-09 | 2019-10-29 | 东北石油大学 | A kind of long-range control liquid gas balance high-pressure high-flow back pressure apparatus |
| CN109607000A (en) * | 2018-12-21 | 2019-04-12 | 深圳东风汽车有限公司 | Hydraulic system for high-order garbage truck |
| CN109654072A (en) * | 2019-01-21 | 2019-04-19 | 湖北新楚风汽车股份有限公司 | The electronic kitchen waste cart hydraulic control system of energy-saving pure |
| CN110497962B (en) * | 2019-07-18 | 2023-11-24 | 上海振华重工(集团)股份有限公司 | Volume servo integrated electro-hydraulic steering system of straddle carrier and control method thereof |
| CN113845032A (en) * | 2021-11-30 | 2021-12-28 | 杭叉集团股份有限公司 | Energy-saving hydraulic system for telescopic arm of electric front crane |
| CN114718936B (en) * | 2022-04-26 | 2024-06-11 | 上海犀重新能源汽车有限公司 | Hydraulic control system, control method and garbage truck |
| CN114718935B (en) * | 2022-04-26 | 2024-06-11 | 上海犀重新能源汽车有限公司 | Electrohydraulic control system, control method and garbage truck |
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-
2017
- 2017-02-16 CN CN201710083898.7A patent/CN106640799B/en active Active
- 2017-02-16 CN CN201810193528.3A patent/CN108533544B/en active Active
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| CN108533544B (en) | 2020-05-12 |
| CN106640799A (en) | 2017-05-10 |
| CN108533544A (en) | 2018-09-14 |
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