CN205559387U - Self -propelled hydraulic power tractor hydraulic control system - Google Patents
Self -propelled hydraulic power tractor hydraulic control system Download PDFInfo
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- CN205559387U CN205559387U CN201620119305.9U CN201620119305U CN205559387U CN 205559387 U CN205559387 U CN 205559387U CN 201620119305 U CN201620119305 U CN 201620119305U CN 205559387 U CN205559387 U CN 205559387U
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Abstract
The utility model relates to a self -propelled hydraulic power tractor hydraulic control system, it is by the power pump station, hydraulic control valve group, hydraulic cylinder, turn to the pneumatic cylinder, hydraulic motor constitutes, hydraulic control valve group is including the hydrovalve piece, first overflow valve, the second overflow valve, first choke valve, the second choke valve, the third choke valve, the fourth choke valve, the 5th choke valve, the pilot operated directional control valve, the hydraulically controlled check valve, a Y type tribit cross magenetic exchange valve, the 2nd Y type tribit cross magenetic exchange valve, M type tribit cross magenetic exchange valve, O type tribit cross magenetic exchange valve, two cross magenetic exchange valve, hydraulic motor includes a hydraulic motor and the 2nd hydraulic motor, hydraulic cylinder includes a hydraulic cylinder and the 2nd hydraulic cylinder. The utility model discloses the drive of self -propelled hydraulic power tractor, the action of brakeing, turning to, going up and down not only can be realized, lift control's independence can be realized moreover.
Description
Technical field
This utility model relates to a kind of self-propelled hydraulic power buggy hydraulic control system, belongs to hydraulic control technology neck
Territory.
Background technology
At present, main equipment is transported in factory and is all used tractor or fork truck traction to realize, and this is not only to human pilot
Driving efficiency and professional quality require higher, and radius of turn is relatively big, the highest to site requirements, and very flexible operates numerous
Trivial, inefficiency, owing to not having elevating function, it is impossible to various operating modes in meeting factory.The overall chi of self-propelled hydraulic power buggy
Very little little, drive, brake, turn to, elevating function complete, be especially suitable for the transhipment of main equipment in factory.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, it is provided that a kind of self-propelled hydraulic power buggy hydraulic control
System, be possible not only to realize self-propelled hydraulic power buggy driving, brake, turn to, lifting action, and owing to lifting is dynamic
Make pressure higher, it is possible to achieve the switching of the independence of this pressure, can meet simultaneously self-propelled hydraulic power buggy fully loaded and
The switching of high low speed under idle condition, system is succinct, simple to operate, can increase substantially work efficiency, various works in meeting factory
Condition.
The purpose of this utility model is achieved in that a kind of self-propelled hydraulic power buggy hydraulic control system, its
Being made up of power pump station, hydraulic control valve group, lifting hydraulic cylinder, hydraulic steering cylinder, hydraulic motor, described power pump station includes electricity
Machine, main pump, the 3rd overflow valve, liquid level sensor, temperature sensor, air filter, fuel tank, oil absorption filter, oil return filter
Device, check valve, Pressure gauge, described main pump is connected with motor by shaft coupling, main pump inlet port and the oil-out of oil absorption filter
Connecting, oil absorption filter inlet port is connected with fuel tank, and main pump oil-out oil-in with check valve, the 3rd overflow valve respectively is connected
Connect；The oil-out of described 3rd overflow valve is connected with the oil-in of return filter, and described check valve oil-out is kinetic pump
Standing oil-out, described return filter oil-in is power pump station oil return opening, described liquid level sensor, temperature sensor, sky
Air cleaner is respectively arranged on fuel tank, and described Pressure gauge is connected with main pump oil-out.
Described hydraulic control valve group includes hydraulic valve block, the first overflow valve, the second overflow valve, first throttle valve, second section
Stream valve, the 3rd choke valve, the 4th choke valve, the 5th choke valve, pilot operated directional control valve, hydraulic control one-way valve, a Y type 3-position 4-way electricity
Magnetic reversal valve, the 2nd Y type three-position four-way electromagnetic directional valve, M type three-position four-way electromagnetic directional valve, O type 3-position 4-way electromagnetic switch
Valve, two four-way electromagnetic reversing valves, the P mouth of described hydraulic valve block is connected with power pump station oil-out, the T mouth of described hydraulic valve block
It is connected with power pump station oil return opening, a hydraulic fluid port of described M type three-position four-way electromagnetic directional valve and the P mouth of hydraulic valve block, hydraulic pressure
The C0 mouth of valve block is connected with a hydraulic fluid port of pilot operated directional control valve, and the another two hydraulic fluid port of described pilot operated directional control valve overflows with first respectively
The oil-in of stream valve and the second overflow valve is connected, the control port of described pilot operated directional control valve and a Y type 3-position 4-way electromagnetism
One hydraulic fluid port of reversal valve is connected with the oil-in of hydraulic control one-way valve, described first overflow valve and the oil-out of the second overflow valve
It is connected with the T mouth of hydraulic valve block respectively, a hydraulic fluid port of described M type three-position four-way electromagnetic directional valve and the T mouth of hydraulic valve block
It is connected with the C8 mouth of hydraulic valve block, a hydraulic fluid port of described M type three-position four-way electromagnetic directional valve and Y type 3-position 4-way electricity
One hydraulic fluid port of magnetic reversal valve connects, a hydraulic fluid port of described M type three-position four-way electromagnetic directional valve and the 2nd Y type 3-position 4-way electricity
One hydraulic fluid port of magnetic reversal valve, a hydraulic fluid port of two four-way electromagnetic reversing valves and one of O type three-position four-way electromagnetic directional valve
Hydraulic fluid port is connected, and a hydraulic fluid port of a described Y type three-position four-way electromagnetic directional valve is connected with the T mouth of hydraulic valve block, and described
One hydraulic fluid port of one Y type three-position four-way electromagnetic directional valve and the control port of hydraulic control one-way valve, the B1 mouth of hydraulic valve block and hydraulic pressure
The C2 mouth of valve block is connected, and the oil-out of described hydraulic control one-way valve is connected with the oil-in of first throttle valve, described first throttle
The oil-out of valve is connected with the A1 mouth of hydraulic valve block and the C1 mouth of hydraulic valve block, described 2nd Y type 3-position 4-way electromagnetic switch
One hydraulic fluid port of valve is connected with the T mouth of hydraulic valve block, and the another two hydraulic fluid port of described 2nd Y type three-position four-way electromagnetic directional valve is respectively
It is connected with the oil-in of second throttle and the oil-in of the 3rd choke valve, the oil-out of described second throttle and hydraulic valve
The A2 mouth of block is connected with the C3 mouth of hydraulic valve block, the described oil-out of the 3rd choke valve and the B2 mouth of hydraulic valve block and hydraulic valve
The C4 mouth of block is connected, the another two hydraulic fluid port of described two four-way electromagnetic reversing valves respectively with A3 mouth, the hydraulic valve of hydraulic valve block
The C5 mouth of block is connected with the T mouth of hydraulic valve block, a hydraulic fluid port of described O type three-position four-way electromagnetic directional valve and hydraulic valve block
T mouth connects, the another two hydraulic fluid port of described O type three-position four-way electromagnetic directional valve respectively with the oil-in of the 4th choke valve and Section five
The oil-in of stream valve is connected, and the described oil-out of the 4th choke valve is connected with the C6 mouth of the A4 mouth of hydraulic valve block and hydraulic valve block
Connecing, the described oil-out of the 5th choke valve is connected with the C7 mouth of the B4 mouth of hydraulic valve block and hydraulic valve block.
Described hydraulic motor includes the first hydraulic motor and the second hydraulic motor, the P1 mouth of described first hydraulic motor and
Two hydraulic motor P4 mouths are connected with the A2 mouth of hydraulic valve block, the P2 mouth of described first hydraulic motor and the second hydraulic motor P3 mouth
It is connected with the B2 mouth of hydraulic valve block, the T1 mouth of described first hydraulic motor and the second hydraulic motor T2 mouth and power pump station oil return
Mouth is connected, and Ps1 mouth and the second hydraulic motor Ps2 mouth of described first hydraulic motor are connected with the A3 mouth of hydraulic valve block, institute
State lifting hydraulic cylinder and include the first lifting hydraulic cylinder and the second lifting hydraulic cylinder, described first lifting hydraulic cylinder rod chamber and second
Lifting hydraulic cylinder rod chamber is connected with the B1 mouth of hydraulic valve block, described first lifting hydraulic cylinder rodless cavity and the second raise-lower hydraulic
Cylinder rodless cavity is connected with the A1 mouth of hydraulic valve block, and described hydraulic steering cylinder one chamber is connected with the A4 mouth of hydraulic valve block, another chamber
It is connected with the B4 mouth of hydraulic valve block.
The M type 3-position 4-way electromagnetism that described driving hydraulic control system is controlled in hydraulic control valve group by power pump station changes
To valve, the second overflow valve, the 2nd Y type three-position four-way electromagnetic directional valve, second throttle, the 3rd choke valve and two four-way electromagnetics
The control of reversal valve, completes the first hydraulic motor and the change of the rotation of the second hydraulic motor, stopping and motor rotary speed, it is achieved
The advance of self-propelled hydraulic power buggy, retreat, brake and high low speed switching action.
The M type 3-position 4-way electromagnetism that described steering hydraulic control system is controlled in hydraulic control valve group by power pump station changes
To valve, the second overflow valve, O type three-position four-way electromagnetic directional valve, the 4th choke valve and the 5th choke valve, complete hydraulic steering cylinder
Flexible, it is achieved the go to action of self-propelled hydraulic power buggy.
The M type 3-position 4-way electromagnetism that described lifting hydraulic control system is controlled in hydraulic control valve group by power pump station changes
To valve, the first overflow valve, pilot operated directional control valve, a Y type three-position four-way electromagnetic directional valve, hydraulic control one-way valve and first throttle valve,
Complete the first lifting hydraulic cylinder and the synchronization telescope of the second lifting hydraulic cylinder, it is achieved self-propelled hydraulic power buggy platform
Lifting action.
Compared with prior art, the beneficial effects of the utility model are:
A kind of self-propelled hydraulic power buggy hydraulic control system of the present utility model, drives, brakes, turns to, lifts
Multiple functional, system is succinct, simple to operate, is especially suitable for the transhipment of main equipment in factory；By pilot operated directional control valve, two overflows
The operation of valve and a three-position four-way electromagnetic directional valve realize lifting pressure independent of drive, steering pressure, more conform to scene
Operating mode；Horse is achieved by the operation of two three-position four-way electromagnetic directional valve, two-position four-way solenoid directional control valve and two choke valves
Reach the switching of high two gears of low speed, meet self-propelled hydraulic power buggy and be fully loaded with and the fast jogging speed under idle condition,
Ensured further its draw main equipment time safe and reliable.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model a kind of self-propelled hydraulic power buggy hydraulic control system.
Fig. 2 is the hydraulic control valve group module of this utility model a kind of self-propelled hydraulic power buggy hydraulic control system
Front view.
Fig. 3 is the hydraulic control valve group module of this utility model a kind of self-propelled hydraulic power buggy hydraulic control system
Rearview.
Wherein: 1, power pump station, 1.1, motor, 1.2, main pump, the 1.3, the 3rd overflow valve, 1.4, liquid level sensor, 1.5,
Temperature sensor, 1.6 air filters, 1.7, fuel tank, 1.8, oil absorption filter, 1.9, return filter, 1.10, check valve,
1.11, Pressure gauge；2, hydraulic control valve group, 2.1, hydraulic valve block, the 2.2, first overflow valve, the 2.3, second overflow valve, 2.4,
One choke valve, 2.5, second throttle, the 2.6, the 3rd choke valve, the 2.7, the 4th choke valve, the 2.8, the 5th choke valve, 2.9, hydraulic control
Reversal valve, 2.10, hydraulic control one-way valve, the 2.11, the oneth Y type three-position four-way electromagnetic directional valve, the 2.12, the 2nd Y type 3-position 4-way electricity
Magnetic reversal valve, 2.13, M type three-position four-way electromagnetic directional valve, 2.14, O type three-position four-way electromagnetic directional valve, 2.15, two-position four-way
Solenoid directional control valve；3, lifting hydraulic cylinder, the 3.1, first lifting hydraulic cylinder, the 3.2, second lifting hydraulic cylinder；4, hydraulic steering cylinder；5、
Hydraulic motor, the 5.1, first hydraulic motor, the 5.2, second hydraulic motor.
Detailed description of the invention
See Fig. 1, Fig. 2, Fig. 3, a kind of self-propelled hydraulic power buggy hydraulic control system of the present utility model, it by
Power pump station 1, hydraulic control valve group 2, lifting hydraulic cylinder 3, hydraulic steering cylinder 4, hydraulic motor 5 form, and described power pump station 1 wraps
Include motor 1.1, main pump the 1.2, the 3rd overflow valve 1.3, liquid level sensor 1.4, temperature sensor 1.5, air filter 1.6, oil
Case 1.7, oil absorption filter 1.8, return filter 1.9, check valve 1.10, Pressure gauge 1.11, described main pump 1.2 passes through shaft coupling
Being connected with motor 1.1, main pump 1.2 inlet port is connected with the oil-out of oil absorption filter 1.8, oil absorption filter 1.8 inlet port with
Fuel tank 1.7 connects, and main pump 1.2 oil-out oil-in with check valve the 1.10, the 3rd overflow valve 1.3 respectively is connected；Described
The oil-out of three overflow valves 1.3 is connected with the oil-in of return filter 1.9, and described check valve 1.10 oil-out is kinetic pump
Standing 1 oil-out, described return filter 1.9 oil-in is power pump station 1 oil return opening, and described liquid level sensor 1.4, temperature pass
Sensor 1.5, air filter 1.6 are respectively arranged on fuel tank 1.7, and described Pressure gauge 1.11 is connected with main pump 1.2 oil-out.
Described hydraulic control valve group 2 includes hydraulic valve block the 2.1, first overflow valve the 2.2, second overflow valve 2.3, first throttle
Valve 2.4, second throttle the 2.5, the 3rd choke valve the 2.6, the 4th choke valve the 2.7, the 5th choke valve 2.8, pilot operated directional control valve 2.9,
Hydraulic control one-way valve the 2.10, the oneth Y type three-position four-way electromagnetic directional valve the 2.11, the 2nd Y type three-position four-way electromagnetic directional valve 2.12, M
Type three-position four-way electromagnetic directional valve 2.13,2.14, two four-way electromagnetic reversing valves 2.15 of O type three-position four-way electromagnetic directional valve, institute
The P mouth stating hydraulic valve block 2.1 is connected with power pump station 1 oil-out, the T mouth of described hydraulic valve block 2.1 and power pump station 1 oil return opening
Connect, a hydraulic fluid port of described M type three-position four-way electromagnetic directional valve 2.13 and the P mouth of hydraulic valve block 2.1, hydraulic valve block 2.1
C0 mouth is connected with a hydraulic fluid port of pilot operated directional control valve 2.9, and the another two hydraulic fluid port of described pilot operated directional control valve 2.9 overflows with first respectively
Stream valve 2.2 is connected with the oil-in of the second overflow valve 2.3, the control port of described pilot operated directional control valve 2.9 and three, a Y type
One hydraulic fluid port of four-way electromagnetic reversing valve 2.11 is connected with the oil-in of hydraulic control one-way valve 2.10, described first overflow valve 2.2
It is connected with the T mouth of hydraulic valve block 2.1 respectively with the oil-out of the second overflow valve 2.3, described M type three-position four-way electromagnetic directional valve
One hydraulic fluid port of 2.13 is connected with the T mouth of hydraulic valve block 2.1 and the C8 mouth of hydraulic valve block 2.1, described M type 3-position 4-way electromagnetism
One hydraulic fluid port of reversal valve 2.13 and a hydraulic fluid port of a Y type three-position four-way electromagnetic directional valve 2.11 connect, three, described M type
One hydraulic fluid port of four-way electromagnetic reversing valve 2.13 and a hydraulic fluid port of the 2nd Y type three-position four-way electromagnetic directional valve 2.12, two four
One hydraulic fluid port of electric change valve 2.15 is connected with a hydraulic fluid port of O type three-position four-way electromagnetic directional valve 2.14, and described
One hydraulic fluid port of one Y type three-position four-way electromagnetic directional valve 2.11 is connected with the T mouth of hydraulic valve block 2.1, three four, a described Y type
One hydraulic fluid port of electric change valve 2.11 and the control port of hydraulic control one-way valve 2.10, the B1 mouth of hydraulic valve block 2.1 and hydraulic pressure
The C2 mouth of valve block 2.1 is connected, and the oil-out of described hydraulic control one-way valve 2.10 is connected with the oil-in of first throttle valve 2.4, institute
State the oil-out of first throttle valve 2.4 to be connected with the C1 mouth of the A1 mouth of hydraulic valve block 2.1 and hydraulic valve block 2.1, described 2nd Y
One hydraulic fluid port of type three-position four-way electromagnetic directional valve 2.12 is connected with the T mouth of hydraulic valve block 2.1, described 2nd Y type 3-position 4-way
The another two hydraulic fluid port of solenoid directional control valve 2.12 respectively with oil-in and the oil-in of the 3rd choke valve 2.6 of second throttle 2.5
Being connected, the oil-out of described second throttle 2.5 is connected with the C3 mouth of the A2 mouth of hydraulic valve block 2.1 and hydraulic valve block 2.1,
The described oil-out of the 3rd choke valve 2.6 is connected with the C4 mouth of the B2 mouth of hydraulic valve block 2.1 and hydraulic valve block 2.1, and described two
Position four-way electromagnetic reversing valve 2.15 another two hydraulic fluid port respectively with the A3 mouth of hydraulic valve block 2.1, the C5 mouth of hydraulic valve block 2.1 and liquid
The T mouth of pressure valve block 2.1 is connected, a hydraulic fluid port of described O type three-position four-way electromagnetic directional valve 2.14 and the T of hydraulic valve block 2.1
Mouthful connect, the another two hydraulic fluid port of described O type three-position four-way electromagnetic directional valve 2.14 respectively with the oil-in of the 4th choke valve 2.7 and
The oil-in of the 5th choke valve 2.8 is connected, the described oil-out of the 4th choke valve 2.7 and the A4 mouth of hydraulic valve block 2.1 and liquid
The C6 mouth of pressure valve block 2.1 is connected, the described oil-out of the 5th choke valve 2.8 and the B4 mouth of hydraulic valve block 2.1 and hydraulic valve block
The C7 mouth of 2.1 is connected.
Described hydraulic motor 5 includes the first hydraulic motor 5.1 and the second hydraulic motor 5.2, described first hydraulic motor 5.1
P1 mouth and the second hydraulic motor 5.2P4 mouth be connected with the A2 mouth of hydraulic valve block 2.1, the P2 of described first hydraulic motor 5.1
Mouthful be connected with the B2 mouth of hydraulic valve block 2.1 with the second hydraulic motor 5.2P3 mouth, the T1 mouth of described first hydraulic motor 5.1 with
Second hydraulic motor 5.2T2 mouth is connected with power pump station 1 oil return opening, the Ps1 mouth of described first hydraulic motor 5.1 and the second liquid
Pressure motor 5.2Ps2 mouth is connected with the A3 mouth of hydraulic valve block 2.1, and described lifting hydraulic cylinder 3 includes the first lifting hydraulic cylinder 3.1
With the second lifting hydraulic cylinder 3.2, described first lifting hydraulic cylinder 3.1 rod chamber and the second lifting hydraulic cylinder 3.2 rod chamber and liquid
The B1 mouth of pressure valve block 2.1 is connected, described first lifting hydraulic cylinder 3.1 rodless cavity and the second lifting hydraulic cylinder 3.2 rodless cavity with
The A1 mouth of hydraulic valve block 2.1 is connected, and described hydraulic steering cylinder 4 one chamber is connected with the A4 mouth of hydraulic valve block 2.1, another chamber and liquid
The B4 mouth of pressure valve block 2.1 connects, wherein A1, A2, A3, A4 and B1, and B2, B4 are the actuator port of hydraulic valve block, C0, C1, C2,
C3, C4, C5, C6, C7, C8 are the pressure tap of hydraulic valve block.
Described driving hydraulic control system controls the M type 3-position 4-way electromagnetism in hydraulic control valve group 2 by power pump station 1
Reversal valve the 2.13, second overflow valve the 2.3, the 2nd Y type three-position four-way electromagnetic directional valve 2.12, second throttle the 2.5, the 3rd throttle
Valve 2.6 and the control of two four-way electromagnetic reversing valves 2.15, complete the first hydraulic motor 5.1 and the second hydraulic motor 5.2
Rotate, stop and the change of rotating speed, it is achieved the advance of self-propelled hydraulic power buggy, retreat, brake and the switching of high low speed is dynamic
Make.
Described steering hydraulic control system controls the M type 3-position 4-way electromagnetism in hydraulic control valve group 2 by power pump station 1
Reversal valve the 2.13, second overflow valve 2.3, O type three-position four-way electromagnetic directional valve the 2.14, the 4th choke valve 2.7 and the 5th choke valve
2.8, complete the flexible of hydraulic steering cylinder 4, it is achieved the go to action of self-propelled hydraulic power buggy.
Described lifting hydraulic control system controls the M type 3-position 4-way electromagnetism in hydraulic control valve group 2 by power pump station 1
Reversal valve the 2.13, first overflow valve 2.2, pilot operated directional control valve the 2.9, the oneth Y type three-position four-way electromagnetic directional valve 2.11, fluid-control one-way
Valve 2.10 and first throttle valve 2.4, complete the first lifting hydraulic cylinder 3.1 and synchronization telescope of the second lifting hydraulic cylinder 3.2, real
The lifting action of existing self-propelled hydraulic power buggy platform.
Claims (1)
1. a self-propelled hydraulic power buggy hydraulic control system, is characterized in that: it is by power pump station (1), hydraulic control
Valve group (2), lifting hydraulic cylinder (3), hydraulic steering cylinder (4) and hydraulic motor (5) composition, described power pump station (1) includes motor
(1.1), main pump (1.2), the 3rd overflow valve (1.3), fuel tank (1.7), oil absorption filter (1.8), return filter (1.9) and list
To valve (1.10), described main pump (1.2) is connected with motor (1.1) by shaft coupling, main pump (1.2) inlet port and oil absorption filter
(1.8) oil-out connects, and oil absorption filter (1.8) inlet port is connected with fuel tank (1.7), main pump (1.2) oil-out respectively with
Check valve (1.10), the oil-in of the 3rd overflow valve (1.3) are connected；The oil-out of described 3rd overflow valve (1.3) and oil return
The oil-in of filter (1.9) connects, described hydraulic control valve group (2) include hydraulic valve block (2.1), the first overflow valve (2.2),
Second overflow valve (2.3), first throttle valve (2.4), second throttle (2.5), the 3rd choke valve (2.6), the 4th choke valve
(2.7), the 5th choke valve (2.8), pilot operated directional control valve (2.9), hydraulic control one-way valve (2.10), a Y type 3-position 4-way electromagnetism change
To valve (2.11), the 2nd Y type three-position four-way electromagnetic directional valve (2.12), M type three-position four-way electromagnetic directional valve (2.13), O type three
Position four-way electromagnetic reversing valve (2.14) and two four-way electromagnetic reversing valves (2.15), the P mouth of described hydraulic valve block (2.1) and power
Pumping plant (1) oil-out connects, and the T mouth of described hydraulic valve block (2.1) is connected with power pump station (1) oil return opening, three four, described M type
One hydraulic fluid port of electric change valve (2.13) changes with the P mouth of hydraulic valve block (2.1), the C0 mouth of hydraulic valve block (2.1) and hydraulic control
Be connected to a hydraulic fluid port of valve (2.9), the another two hydraulic fluid port of described pilot operated directional control valve (2.9) respectively with the first overflow valve
(2.2) oil-in of with the second overflow valve (2.3) is connected, the control port of described pilot operated directional control valve (2.9) and a Y type three
One hydraulic fluid port of position four-way electromagnetic reversing valve (2.11) is connected with the oil-in of hydraulic control one-way valve (2.10), described first overflow
The oil-out of valve (2.2) and the second overflow valve (2.3) T mouth with hydraulic valve block (2.1) respectively is connected, three four, described M type
One hydraulic fluid port of electric change valve (2.13) is connected with the C8 mouth of the T mouth of hydraulic valve block (2.1) and hydraulic valve block (2.1),
One hydraulic fluid port of described M type three-position four-way electromagnetic directional valve (2.13) and Y's type three-position four-way electromagnetic directional valve (2.11)
One hydraulic fluid port connects, and a hydraulic fluid port and the 2nd Y type 3-position 4-way electromagnetism of described M type three-position four-way electromagnetic directional valve (2.13) change
To a hydraulic fluid port of valve (2.12), a hydraulic fluid port of two four-way electromagnetic reversing valves (2.15) and O type 3-position 4-way electromagnetic switch
One hydraulic fluid port of valve (2.14) is connected, a hydraulic fluid port of described Y type three-position four-way electromagnetic directional valve (2.11) and hydraulic pressure
The T mouth of valve block (2.1) connects, a hydraulic fluid port of described Y type three-position four-way electromagnetic directional valve (2.11) and hydraulic control one-way valve
(2.10) the C2 mouth of control port, the B1 mouth of hydraulic valve block (2.1) and hydraulic valve block (2.1) is connected, described fluid-control one-way
The oil-out of valve (2.10) is connected with the oil-in of first throttle valve (2.4), the oil-out of described first throttle valve (2.4) and liquid
The A1 mouth of pressure valve block (2.1) is connected with the C1 mouth of hydraulic valve block (2.1), described 2nd Y type three-position four-way electromagnetic directional valve
(2.12) a hydraulic fluid port is connected with the T mouth of hydraulic valve block (2.1), described 2nd Y type three-position four-way electromagnetic directional valve (2.12)
Another two hydraulic fluid port be connected with the oil-in of second throttle (2.5) and the oil-in of the 3rd choke valve (2.6) respectively, described
The oil-out of second throttle (2.5) is connected with the A2 mouth of hydraulic valve block (2.1) and the C3 mouth of hydraulic valve block (2.1), described
The oil-out of the 3rd choke valve (2.6) is connected with the C4 mouth of the B2 mouth of hydraulic valve block (2.1) and hydraulic valve block (2.1), described
The another two hydraulic fluid port of two four-way electromagnetic reversing valves (2.15) respectively with the A3 mouth of hydraulic valve block (2.1), hydraulic valve block (2.1)
C5 mouth is connected with the T mouth of hydraulic valve block (2.1), a hydraulic fluid port of described O type three-position four-way electromagnetic directional valve (2.14) and liquid
The T mouth of pressure valve block (2.1) connects, the another two hydraulic fluid port of described O type three-position four-way electromagnetic directional valve (2.14) respectively with Section four
The oil-in of stream valve (2.7) and the oil-in of the 5th choke valve (2.8) are connected, the oil-out of described 4th choke valve (2.7)
It is connected with the A4 mouth of hydraulic valve block (2.1) and the C6 mouth of hydraulic valve block (2.1), the oil-out of described 5th choke valve (2.8)
It is connected with the B4 mouth of hydraulic valve block (2.1) and the C7 mouth of hydraulic valve block (2.1);
Described hydraulic motor (5) includes the first hydraulic motor (5.1) and the second hydraulic motor (5.2), described lifting hydraulic cylinder (3)
Including the first lifting hydraulic cylinder (3.1) and the second lifting hydraulic cylinder (3.2), the P mouth of described first hydraulic motor (5.1) and
The P mouth of two hydraulic motors (5.2) is connected with the A2 mouth of hydraulic valve block (2.1), another of described first hydraulic motor (5.1)
Another P mouth of P mouth and the second hydraulic motor (5.2) is connected with the B2 mouth of hydraulic valve block (2.1), described first hydraulic motor
(5.1) T mouth and the second hydraulic motor (5.2) T mouth are connected with the oil return opening of power pump station (1), described first hydraulic motor
(5.1) a P mouth and a P mouth of the second hydraulic motor (5.2) are connected with the A3 mouth of hydraulic valve block (2.1), described liter
Descending liquid cylinder pressure (3) includes the first lifting hydraulic cylinder (3.1) and the second lifting hydraulic cylinder (3.2), described first lifting hydraulic cylinder
(3.1) rod chamber and the second lifting hydraulic cylinder (3.2) rod chamber are connected with the B1 mouth of hydraulic valve block (2.1), described first liter
Descending liquid cylinder pressure (3.1) rodless cavity and the second lifting hydraulic cylinder (3.2) rodless cavity are connected with the A1 mouth of hydraulic valve block (2.1), institute
The A4 mouth in a chamber and hydraulic valve block (2.1) of stating hydraulic steering cylinder (4) is connected, and another chamber connects with the B4 mouth of hydraulic valve block (2.1)
Connecing, wherein A1, A2, A3, A4 and B1, B2, B4 are the actuator port of hydraulic valve block, and C0, C1, C2, C3, C4, C5, C6, C7, C8 are
The pressure tap of hydraulic valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620119305.9U CN205559387U (en) | 2016-02-14 | 2016-02-14 | Self -propelled hydraulic power tractor hydraulic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620119305.9U CN205559387U (en) | 2016-02-14 | 2016-02-14 | Self -propelled hydraulic power tractor hydraulic control system |
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| CN205559387U true CN205559387U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620119305.9U Active CN205559387U (en) | 2016-02-14 | 2016-02-14 | Self -propelled hydraulic power tractor hydraulic control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545843A (en) * | 2016-02-14 | 2016-05-04 | 秦皇岛燕大一华机电工程技术研究院有限公司 | Hydraulic control system of self-propelled hydraulic power traction vehicle |
| CN107906079A (en) * | 2017-11-21 | 2018-04-13 | 徐州徐工环境技术有限公司 | Valve control load-sensitive dust suppression fog gun fluid power system |
| CN110796916A (en) * | 2019-12-04 | 2020-02-14 | 天津格特斯检测设备技术开发有限公司 | Tail anchor simulation training system for warships |
-
2016
- 2016-02-14 CN CN201620119305.9U patent/CN205559387U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545843A (en) * | 2016-02-14 | 2016-05-04 | 秦皇岛燕大一华机电工程技术研究院有限公司 | Hydraulic control system of self-propelled hydraulic power traction vehicle |
| CN107906079A (en) * | 2017-11-21 | 2018-04-13 | 徐州徐工环境技术有限公司 | Valve control load-sensitive dust suppression fog gun fluid power system |
| CN107906079B (en) * | 2017-11-21 | 2023-07-21 | 徐州徐工环境技术有限公司 | Valve-control load-sensitive dust suppression fog gun hydraulic driving system |
| CN110796916A (en) * | 2019-12-04 | 2020-02-14 | 天津格特斯检测设备技术开发有限公司 | Tail anchor simulation training system for warships |
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