CN208361735U - Unmanned plane recycles integrated vehicle hydraulic control system - Google Patents
Unmanned plane recycles integrated vehicle hydraulic control system Download PDFInfo
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- CN208361735U CN208361735U CN201820773731.3U CN201820773731U CN208361735U CN 208361735 U CN208361735 U CN 208361735U CN 201820773731 U CN201820773731 U CN 201820773731U CN 208361735 U CN208361735 U CN 208361735U
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Abstract
The utility model relates to unmanned planes to recycle integrated vehicle hydraulic control system.The utility model mesohigh oil is exported after transfer pressure speed regulation switching valve distribution by different hydraulic fluid ports, and lower cartridge control valve group is connected to the different hydraulic fluid ports of transfer pressure speed regulation switching valve from upper cartridge control valve group, thus can meet the oil pressure demand of different executing agencies.And it is to take high pressure oil from the final stage oil cylinder of telescopic oil cylinder group to control Top Crossbeam luffing and stretch that multistage pressure flow, which asks for valve then, it is ensured that the movement of Top Crossbeam can only stretch entirely in boom or full reduced lower progress.
Description
Technical field
The utility model relates to unmanned planes to recycle integrated vehicle hydraulic control system.
Background technique
It is to install foldable cantilever crane additional on Universal automobile chassis and one kind for repacking into is dedicated sets that unmanned plane, which recycles integrated vehicle,
It is standby, including mechanism performed below: vertical branch is with S1, oscillating support leg S2, lower cross arm S3, horizontal support legs S4, swing mechanism S5, elevator
Mechanism S6, principal arm (basic arm and telescopic arm) S7, Top Crossbeam S9 and Top Crossbeam jib lubbing mechanism S8.It is carried out in mobile arm support equipment
When operation, vertical branch needs to stretch out and is fixed on the support of mobile arm support equipment with S1, oscillating support leg S2 and horizontal support legs S4
On ground；When mobile arm support equipment is run with vehicle, vertical branch is packed up with S1, oscillating support leg S2 and horizontal support legs S4.Revolution
Mechanism S5 is for controlling the whole rotation on vehicle chassis of cantilever crane to change job position.Principal arm S7 and Top Crossbeam S9 is flexible
Arm, Top Crossbeam jib lubbing mechanism S8 are used to control the angle between Top Crossbeam S9 and principal arm S7, and lower cross arm S3 is together with Top Crossbeam S9
Realize action.The minor details arm arm head of principal arm S7 is provided with pulley blocks, and suspension hook is provided on pulley blocks, and suspension hook distance is corresponding horizontal
The distance of arm end is controlled by hoisting mechanism S6.
So being applied to unmanned plane recycles the requirement that the hydraulic control system in integrated vehicle needs to meet the following aspects:
First is that the above-mentioned each executing agency's expanding-contracting action of control is to meet work requirements；Second is that meeting difference work required for each executing agency
Make pressure requirements；Third is that being had in above-mentioned hydraulic control system to the sequence of movement of each executing agency under different operating conditions different
It is required that needing hydraulic control system that can adjust the sequence of movement of each executing agency at this time.
Utility model content
The purpose of this utility model is to provide one kind for controlling each hydraulic actuating mechanism association in mobile arm support equipment
It transfers the unmanned plane made and recycles integrated vehicle hydraulic control system.
To achieve the above object, the unmanned plane of the utility model recycles integrated vehicle hydraulic control system and uses following technical side
Case:
Unmanned plane recycles integrated vehicle hydraulic control system, including fuel tank, oil pump, transfer pressure adjust the speed switching valve, for controlling
The upper cartridge control valve group of telescopic arm expanding-contracting action processed, the lower cartridge control valve group for controlling landing leg stretching movement, multistage pressure stream
Amount asks for valve；Transfer pressure speed regulation switching valve includes G1-G12 totally 12 hydraulic fluid ports, the first solenoid valve, second solenoid valve, third electricity
Magnet valve, the 4th solenoid valve, the first check valve, second one-way valve, third check valve, the 4th check valve, the 5th check valve, first are overflow
Flow valve, the second overflow valve and fixed damping；First hydraulic fluid port G1 is communicated with the second hydraulic fluid port G2, third hydraulic fluid port G3, as transfer pressure
Adjust the speed the oil inlet of switching valve；First hydraulic fluid port G1 connects oil pump, by the first check valve as primary input hydraulic fluid port；Second hydraulic fluid port G2 connects
Pressure gauge or pressure switch or pressure sensor, third hydraulic fluid port G3 for measuring pressure connect other power hydraulic fluid ports；4th oil
Mouthful G4 is drain tap, and the 5th hydraulic fluid port G5 is emergency power hydraulic fluid port, can both do oil return with and also used with oil inlet；6th hydraulic fluid port G6 with
7th hydraulic fluid port G7 is connected, as oil return opening；8th hydraulic fluid port G8 is used to connect the oil inlet of each valve in cartridge control valve group, the 9th hydraulic fluid port
G9 is used to connect one of oil outlet that master control joins in lower cartridge control valve group, and the tenth hydraulic fluid port G10 is for connecing lower cartridge control valve group
The oil inlet of middle master control connection；11st hydraulic fluid port G11 and the 12nd hydraulic fluid port G12 connect executive component；First solenoid valve is two four
Logical reversal valve, oil inlet p1 meet the first hydraulic fluid port G1, and oil return opening t1 meets the 4th hydraulic fluid port G4, and the first working hole a1 is through second one-way valve
The 8th hydraulic fluid port G8 is met, the second working hole b1 meets the tenth hydraulic fluid port G10 through third check valve；Second solenoid valve is 3-position 4-way electromagnetism
Valve, oil inlet p2 meet the 9th hydraulic fluid port G9, and oil return opening t2 meets the 6th hydraulic fluid port G6 or the 7th hydraulic fluid port G7, and the first working hole a2 successively connects
Second overflow valve oil inlet, the 4th check valve oil inlet, fixed damping and the 5th hydraulic fluid port G5, the 5th hydraulic fluid port G5 is as emergency power
Mouthful；Second actuator port b2 successively meets the 5th check valve oil inlet and the 8th hydraulic fluid port G8；The oil return of second overflow valve is connected to the 6th
Hydraulic fluid port G6 or the 7th hydraulic fluid port G7；Third solenoid valve is two-position three way magnetic valve, and oil inlet p3 connects the 5th hydraulic fluid port G5, the first work
Hydraulic fluid port a3 meets the oil inlet p4 of the 4th solenoid valve 4, and the second actuator port b3 meets the 8th hydraulic fluid port G8；4th solenoid valve is 3-position 4-way
Solenoid valve, oil return opening t4 meet the 6th hydraulic fluid port G6 or the 7th hydraulic fluid port G7, and the first actuator port a4 meets the 11st hydraulic fluid port G11, and second
Actuator port b4 meets the 12nd hydraulic fluid port G12；The first overflow valve is connected between oil inlet and oil return opening to limit system pressure；On
The big chamber of final stage oil cylinder is connected to multistage pressure flow with small intracavitary hydraulic oil and asks in the telescopic oil cylinder group of cartridge control valve group control
The oil outlet for two check valves that oil inlet intercommunication is arranged in valve；It includes that flow asks for part, pressure that multistage pressure flow, which asks for valve,
Classification part and work commutation part；It includes asking for the first check valve of valve, asking for valve second one-way valve and shuttle that flow, which asks for part,
Valve, pressure classification part include asking for the 4th solenoid valve of valve, asking for the first overflow valve of valve and ask for the second overflow valve of valve, and work is changed
To part including asking for valve third solenoid valve, asking for valve third check valve and commutation three position four-way electromagnetic valve；Ask for valve first
Check valve and ask for valve second one-way valve and be oppositely arranged and the oil inlet intercommunication of the two, ask for the oil outlet of the first check valve of valve with
The oil outlet for asking for valve second one-way valve is respectively connected to two oil inlets of shuttle valve, and the oil outlet of shuttle valve, which is connected to, asks for valve third electricity
On the oil inlet of magnet valve；Asking for the 4th solenoid valve of valve is two position four-way solenoid valves, and the oil inlet for asking for the 4th solenoid valve of valve connects
The oil outlet of shuttle valve is connect, oil return opening connects the oil inlet asked for the first check valve of valve, ask for valve second one-way valve, the second working oil
Mouthful it is connected to the oil inlet for taking the first overflow valve of valve, the first actuator port is connected to the oil inlet for taking the second overflow valve of valve, asks for valve the
One, the oil outlet of the second overflow valve is connected to the oil inlet of two check valves of oil inlet intercommunication；Asking for valve third solenoid valve is
Two-bit triplet Solenoid ball valve, the oil inlet for asking for valve third solenoid valve connect the oil outlet of shuttle valve, and oil return opening is connected to oil inlet intercommunication
Two check valves oil inlet, the Median Function of commutation three position four-way electromagnetic valve is Y type, two actuator port connects respectively to be held
Row mechanism, oil inlet are connected to the actuator port for taking valve third solenoid valve, oil return opening be connected to two check valves of oil inlet intercommunication into
Hydraulic fluid port is asked for valve third check valve and is inverted at the oil return opening of commutation three position four-way electromagnetic valve, and its outlet is connected to oil inlet
The oil inlet of two check valves of intercommunication.
Lower cartridge control valve group includes master control connection, first, second, third connection, tetrad and overflow valve, master control
Connection, first, second, third connection, tetrad are three electric three-way electromagnetic valves, and first is linked to each in tetrad two
Actuator port connects the big chamber of a Vertical Cylinders and the big chamber of a cross cylinder respectively, and the small chamber of Vertical Cylinders and cross cylinder connects
Connect the second working hole of master control connection；Overflow valve be mounted on master control connection oil inlet and lower cartridge control valve group oil return line it
Between.
Upper cartridge control valve group includes first, second, third connection, tetrad, 5-linked, the 6th and total overflow valve,
And first to be coupled to the 6th be Y type of the middle position with unloading function automatically controlled integral valve manually, first is followed by rotary motor, second
Connection be followed by amplitude oil cylinder, third connection be followed by lower cross arm amplitude oil cylinder, tetrad is followed by telescopic oil cylinder group, 5-linked is followed by elevator horse
Reach, the 6th is spare, total overflow valve is mounted between the oil inlet of master control connection and the oil return line of upper cartridge control valve group.
The telescopic oil cylinder group includes telescopic oil cylinder identical with telescopic arm quantity in boom, and multiple telescopic oil cylinder series connection are set
It sets, next telescopic oil cylinder takes oil in the respective cavities by a upper telescopic oil cylinder, on the oil circuit for connecting the adjacent big chamber of two telescopic oil cylinders
It is provided with sequence valve.
String has shuttle valve and fixed damping between two hydraulic fluid ports of upper cartridge control valve group first, and shuttle valve is used to take high pressure oil,
It is fixed to have damped revolution buffer function.
The beneficial effects of the utility model are as follows: the utility model mesohigh oil is after transfer pressure speed regulation switching valve distribution
It is exported by different hydraulic fluid ports, transfer pressure speed regulation switching valve makes the high pressure oil of its exportable a variety of pressure and flow velocity, and lower dress controls
Valve group is connected to the different hydraulic fluid ports of transfer pressure speed regulation switching valve from upper cartridge control valve group, thus can meet different executing agencies
Oil pressure demand.And it is to take high pressure oil from the final stage oil cylinder of telescopic oil cylinder group to control Top Crossbeam that multistage pressure flow, which asks for valve then,
Luffing and flexible, it is ensured that the movement of Top Crossbeam can only stretch entirely in boom or full reduced lower progress.
Detailed description of the invention
Fig. 1 recycles the applicable mobile arm support equipment of integrated vehicle hydraulic control system by the unmanned plane of the utility model
Structural schematic diagram；
Fig. 2 is the schematic diagram of one embodiment that the unmanned plane of the utility model recycles integrated vehicle hydraulic control system；
Fig. 3 is the schematic diagram that transfer pressure adjusts the speed switching valve in Fig. 1；
Fig. 4 is the schematic diagram that multistage pressure flow asks for valve in Fig. 1.
Specific embodiment
The unmanned plane of the utility model recycles the embodiment of integrated vehicle hydraulic control system:
Man-machine recycling to be controlled integrates the structure of vehicle as shown in Figure 1, executing agency has vertical branch with S1, oscillating support leg
S2, lower cross arm S3, horizontal support legs S4, swing mechanism S5, hoisting mechanism S6, principal arm (basic arm and telescopic arm) S7, Top Crossbeam S9
And Top Crossbeam jib lubbing mechanism S8.
When unmanned plane recycles integrated vehicle operation, vertical branch is stretched out with S1, oscillating support leg S2 and horizontal support legs S4 and will be moved
The support of dynamic formula arm support equipment is fixed on ground；Unmanned plane recycle integrated vehicle it is mobile when, vertical branch with S1, oscillating support leg S2 and
Horizontal support legs S4 is packed up.Swing mechanism S5 is for controlling the whole rotation on vehicle chassis of cantilever crane to change job position.Principal arm
S7 and Top Crossbeam S9 is telescopic arm, and Top Crossbeam jib lubbing mechanism S8 is used to control the angle between Top Crossbeam S9 and principal arm S7, under
Transverse arm S3 realizes action together with Top Crossbeam S9.Principal arm S7 minor details arm arm head is provided with pulley blocks, is provided on pulley blocks
Suspension hook, distance of the suspension hook apart from corresponding transverse arm end are controlled by hoisting mechanism S6.
There are three horizontal support legs S4 and oscillating support leg a S2, each horizontal support legs S4 or swings for setting in the utility model
A vertical leg S1 is respectively connected on supporting leg S2.The movement of horizontal support legs S4 and oscillating support leg S2 are respectively by a cross cylinder
23 controls, the movement of four vertical leg S1 are then controlled by a Vertical Cylinders 22 respectively.The rotation of swing mechanism S5 is by turning round
Motor 32 controls.The luffing of principal arm S7 by amplitude oil cylinder 34 drive, principal arm S7 it is flexible, driven by telescopic oil cylinder group.This implementation
In example, principal arm S7 includes five joint arms, and in addition to basic arm, in addition four joint arms are driven by corresponding oil cylinder, so the utility model
Middle telescopic oil cylinder group includes four telescopic oil cylinders (label is respectively 39,40,41,14).The luffing of Top Crossbeam jib lubbing mechanism S8 by
Top Crossbeam amplitude oil cylinder 44 controls, and Top Crossbeam S9's is flexible, is driven by Top Crossbeam telescopic oil cylinder 46.The luffing of lower cross arm S3 by
Lower cross arm amplitude oil cylinder 36 controls, and the rotation of hoisting mechanism S6 is controlled by hoist motor 42.
It includes fuel tank 1, inlet oil filter 2, oil inlet section that the unmanned plane of the utility model, which recycles integrated vehicle hydraulic control system,
Only valve 3, oil pump 4, return filter 5, auxiliary oil pump 2, multistage pressure speed regulation switching valve 7, operation lower cartridge control valve group 15, upper dress
Control valve group 24 and multistage pressure flow ask for valve 48.Hydraulic oil in fuel tank is admitted to after multistage pressure adjusts the speed switching valve 7
Lower cartridge control valve group 15 and upper cartridge control valve group 24 are operated, adjusts the speed the feelings that the executing agency being connected to after switching valve 7 changes in pressure
Under condition, pressure adjusts the speed the oil pressure and oil speed of the adjustable stand oil case supply of switching valve.
Upper cartridge control valve group 24 includes the first 26, the second 27, third join 28, tetrad 29,5-linked the 30, the 6th
31 and total overflow valve 25, and first to be coupled to the 6th be manual automatically controlled integral valve, and it is i.e. controllable to control different working conditions
Different telescopic oil cylinders in rotary motor 32 processed, amplitude oil cylinder 34, lower cross arm amplitude oil cylinder 36, hoist motor 42 and telescopic oil cylinder group
Working condition.For control rotary motor 32 the first 26 and control hoist motor 42 the 6th 31 in position using O-shaped
The middle position of function, other connection uses y-function.The first 26 to the 6th 31 oil inlet is connected to pressure speed regulation switching valve 7
The 8th hydraulic fluid port G8, oil return opening be connected to return filter 5.Rotary motor 32 be connected to the first 26 two actuator ports it
Between, string has shuttle valve and fixed damping between two actuator ports, and shuttle valve is fixed to have damped revolution buffer function for taking high pressure oil；
Amplitude oil cylinder 34 connects between the second 27 two actuator ports, and is furnished with one-way balance valve in the big chamber side of amplitude oil cylinder 34
33；Lower cross arm amplitude oil cylinder 36 is connected to two making between hydraulic fluid port for third connection 28, and the size chamber side of lower cross arm amplitude oil cylinder 36 is matched
There is Bidirectional balanced valve 35；Telescopic oil cylinder group is connected to the two of tetrad 29 and makees between hydraulic fluid port, in the big chamber of the first telescopic oil cylinder 14
It is upper to be furnished with one-way balance valve, equipped with sequence on the second telescopic oil cylinder 41, third telescopic oil cylinder 40, the big chamber of the 4th telescopic oil cylinder 39
Valve, each telescopic oil cylinder are connected in series, and the 4th telescopic oil cylinder 39, which exports while connecing multistage pressure flow, asks for valve 48, are pressed by multistage
Force flow amount asks for valve 48 and controls Top Crossbeam luffing and flexible, restriction principal arm S7 and Top Crossbeam S9 pressure, which is a kind of
Two-way cylinder with core pipe self extending；Hoist motor 42 is connected between two actuator ports of 5-linked 30, and in elevator
First hydraulic fluid port side of motor is furnished with one-way balance valve 43, while taking high pressure oil by shuttle valve, and the drain tap of hoist motor directly connects
Oil return box；6th 31 two actuator ports are spare hydraulic fluid port, are become for emergency flight control Top Crossbeam telescopic oil cylinder 46 and Top Crossbeam
Width oil cylinder 44 constitutes a part of leakage passage.
Lower cartridge control valve group 15 include master control connection 17, the first 18, the second 19, third connection 20, tetrad 21 and overflow
Flow valve 16, master control connection 17, the first 18, the second 19, third connection 20, tetrad 21 are three-position four-way valve, the present embodiment
In in lower cartridge control valve group 15 each valve be hand control valve, controlling different working conditions can controlled level oil cylinder 23 and vertical
The working condition of oil cylinder 22.The first 18, the second 19, the oil inlet of third connection 20, tetrad 21 be connected to master control connection 17
The second working hole, oil return opening be connected to pressure speed regulation switching valve 7 the 7th hydraulic fluid port G7.The oil inlet of master control connection 17 connects classification
Pressure adjusts the speed the tenth hydraulic fluid port G10 of switching valve 7, and the oil outlet of master control connection 17 connects the 9th oil of transfer pressure speed regulation switching valve 7
Mouth G9.It is furnished with hydraulic lock on each Vertical Cylinders 22, the big chamber of four cross cylinders 23 connects the first 18 to tetrad 21 respectively
The first actuator port, four big chambers of Vertical Cylinders connect the first 18 to tetrad 21 the second actuator port, all oil cylinders
Small chamber is connected to each other the second actuator port of master control connection 17.
Multistage pressure flow, which asks for valve 48, can take high pressure oil from telescopic oil cylinder 39 to drive Top Crossbeam amplitude oil cylinder 44 and upper
Transverse arm telescopic oil cylinder 46 acts.
Multistage pressure flow asks for the specific structure of valve 48 as shown in figure 4, including asking for the first solenoid valve of valve 481, asking for
Valve second solenoid valve 482, ask for the fixed damping 483 of valve, ask for valve third solenoid valve 484, ask for the 4th solenoid valve 485 of valve, from
The first overflow valve of valve 486 is taken, the second overflow valve of valve 487 is asked for, shuttle valve 488, asks for the first check valve of valve 489, asks for valve second
Check valve 4810 asks for valve third check valve 4811.
It asks for the first check valve of valve 489, ask for valve second one-way valve 4810 and shuttle valve 488 constitutes flow and asks for part.
Wherein shuttle valve 488 includes oil inlet a5, oil inlet a6 and oil outlet c1.It asks for the first check valve of valve 489 and asks for the second list of valve
It is oppositely arranged, and the oil inlet intercommunication of the two and is connected on the oil return circuit of main system to valve 4810, ask for the first check valve of valve
489 oil outlet is connected to the oil inlet a5 of shuttle valve 488, ask for valve second one-way valve 4810 oil outlet be connected to shuttle valve 488 into
Hydraulic fluid port a6.Ask for the first check valve of valve 489 with ask for valve second one-way valve 4810 be separately connected telescopic oil cylinder 39 small chamber and greatly
Chamber can all have high pressure oil to be taken to shuttle so no matter executing the big chamber oil inlet or small chamber oil inlet of oil cylinder in external hydraulic system
The oil outlet of valve 488, then work commutation part is sent by the oil outlet of shuttle valve 8.The oil outlet of shuttle valve 488, which is connected to, asks for valve third
On the oil inlet of solenoid valve 484.
When flow asks for part and takes high pressure oil, taken oil pressure is limited by pressure classification part, and pressure classification part includes
The 4th solenoid valve 485 of valve is asked for, the first overflow valve of valve 486 is asked for and asks for the second overflow valve of valve 487.Wherein ask for the 4th electricity of valve
Magnet valve 485 is two position four-way solenoid valves, including oil inlet p9, oil return opening t9, actuator port a9 and actuator port b9；Ask for valve
Four solenoid valves 485 it is electric when, hydraulic oil flows into actuator port b9 by oil inlet p9 when oil inlet, and hydraulic oil is by actuator port when oil return
A9 flows into oil return opening t9.And the oil outlet of the oil inlet p9 connection shuttle valve 488 of the 4th solenoid valve 485 of valve is asked for, oil return opening t9 connects
The oil inlet of intercommunication check valve is connect, actuator port b9 is connected to the oil inlet for taking the first overflow valve of valve 486, and actuator port a9, which is connected to, to be taken
The oil inlet of the second overflow valve of valve 487, the oil outlet for asking for the first, second overflow valve of valve are connected to the oil inlet of intercommunication check valve
Mouthful.
When ask for the 4th solenoid valve 485 of valve it is electric when, multistage pressure flow asks in valve pressure by asking for the first overflow of valve
Valve 486 limits, and setting up in the present embodiment and asking for the set pressure of the first overflow valve of valve 486 is 20MPa.When asking for the 4th electromagnetism of valve
When 485 power loss of valve, multistage pressure flow is asked for pressure in valve 48 and is limited by asking for the second overflow valve of valve 487, adjusts in the present embodiment
Surely the set pressure for asking for the second overflow valve of valve 487 is 10MPa.
The first solenoid valve of valve 481 is asked for, valve second solenoid valve 482 is asked for, asks for the fixed damping 483 of valve, asks for valve third
Solenoid valve 484 forms work commutation part with valve third check valve 4811 is asked for.Wherein asking for the first, second solenoid valve of valve is
Three position four-way electromagnetic valve.Asking for the first solenoid valve of valve includes oil inlet p6, oil return opening t6, actuator port a7 and actuator port b7,
When asking for the first solenoid valve of valve 481 and being in left position, hydraulic oil flows into actuator port a7 by oil inlet p6 when oil inlet, and when oil return is hydraulic
Oil flows into oil return opening t6 by actuator port b7.Asking for valve second solenoid valve 482 includes oil inlet p8, oil return opening t8, actuator port
A8 and actuator port b8, when asking for valve second solenoid valve 482 and being in left position, hydraulic oil flows into working oil by oil inlet p8 when oil inlet
Mouthful a8, hydraulic oil flows into oil return opening t8 by actuator port b8 when oil return.Asking for valve third solenoid valve 484 is two-bit triplet electromagnetic ball
Valve, including oil inlet p5, oil return opening t5 and actuator port c2.The oil inlet p5 for asking for valve third solenoid valve 484 connects shuttle valve 488
Oil outlet, oil return opening t5 are connected to the oil inlet of intercommunication check valve, and actuator port is connected to the oil inlet of the first, second solenoid valve.From
The oil inlet p6 for taking the first solenoid valve of valve 481, the oil inlet p8 for asking for valve second solenoid valve 482, which are all connected with, asks for the second electromagnetism of valve
The actuator port of valve 484, the oil return opening for asking for the first, second solenoid valve of valve are connected to the oil inlet of intercommunication check valve, ask for valve
Fixed damping 483 is mounted at the oil inlet for asking for the first solenoid valve of valve 481.It asks for valve third check valve 4811 and is inverted in and ask for
At the oil return opening of the first, second solenoid valve of valve, and its outlet is connected to the oil inlet of intercommunication check valve.
In hydraulic control system, actuator port a7, the b7 for asking for the first solenoid valve of valve 481 are separately connected Top Crossbeam luffing
The rod chamber and rodless cavity of oil cylinder 44, actuator port a8, the b8 for asking for valve second solenoid valve 482 are separately connected the flexible oil of Top Crossbeam
The rod chamber and rodless cavity of cylinder 46.Return oil pressure draws when asking for valve third solenoid valve 4811 for preventing a certain executing agency from acting
Play the small malfunction of second execution movement.
Transfer pressure speed regulation switching valve 7 shares G1-G12 totally 12 hydraulic fluid ports, including the first solenoid valve 71, second solenoid valve
72, third solenoid valve 73, the 4th solenoid valve 74, the first check valve 75, second one-way valve 76, third check valve the 77, the 4th are unidirectional
Valve 78, the 5th check valve 79, the first overflow valve 710, the second overflow valve 711 and fixed damping 712.
First hydraulic fluid port G1 is communicated with the second hydraulic fluid port G2, third hydraulic fluid port G3, the oil inlet as transfer pressure speed regulation switching valve；
First hydraulic fluid port G1 connects oil pump, by the first check valve as primary input hydraulic fluid port；Second hydraulic fluid port G2 connects the pressure for measuring pressure
Table or pressure switch or pressure sensor, third hydraulic fluid port G3 connect other power hydraulic fluid ports；4th hydraulic fluid port G4 is drain tap, the 5th oil
Mouthful G5 is emergency power hydraulic fluid port, can both do oil return with and also used with oil inlet；6th hydraulic fluid port G6 and the 7th hydraulic fluid port G7 is connected, as
Oil return opening；8th hydraulic fluid port G8 is used to connect the oil inlet that master control joins in cartridge control valve group, and the 9th hydraulic fluid port G9 is for connecing lower dress control
One of oil outlet that master control joins in valve group processed, the tenth hydraulic fluid port G10 be used to connect master control in lower cartridge control valve group joins into
Hydraulic fluid port；11st hydraulic fluid port G11 and the 12nd hydraulic fluid port G12 connect executive component.
First solenoid valve 71 is two-position four way change valve, and oil inlet p1 connects the second hydraulic fluid port G2 or third hydraulic fluid port G3, oil return
Mouth t1 meets the 4th hydraulic fluid port G4, and the first working hole a1 meets the 8th hydraulic fluid port G8 through second one-way valve 6, and the second working hole b1 is unidirectional through third
Valve 77 meets the tenth hydraulic fluid port G10.
Second solenoid valve 72 is three electric three-way electromagnetic valves, and oil inlet p2 meets the 9th hydraulic fluid port G9, and oil return opening t2 connects the 6th oil
Mouthful G6 or the 7th hydraulic fluid port G7, the first working hole a2 successively connect 711 oil inlet of the second overflow valve, 78 oil inlet of the 4th check valve, solid
Surely damping 712 and the 5th hydraulic fluid port G5.Second actuator port b2 successively meets 79 oil inlet of the 5th check valve and the 8th hydraulic fluid port G8.Second
The oil return of overflow valve 711 is connected to the 6th hydraulic fluid port G6 or the 7th hydraulic fluid port G7.
Third solenoid valve 73 is two-position three way magnetic valve, and oil inlet p3 meets drain tap G5, and the first actuator port a3 connects the
The oil inlet p4, the second actuator port b3 of four solenoid valves 74 meet the 8th hydraulic fluid port G8.
4th solenoid valve 74 is three position four-way electromagnetic valve, and oil return opening t4 meets the 6th hydraulic fluid port G6 or the 7th hydraulic fluid port G7, first
Actuator port a4 meets the 11st hydraulic fluid port G11, and the second actuator port b4 meets the 12nd hydraulic fluid port G12.
In addition, being connected with the first overflow valve 710 between oil inlet and oil return opening to limit system pressure.
Oil circuit flow direction is as follows when controlling mobile arm support equipment work:
(1) course of work is filled under
Start electrohydraulic control system first, operate lower cartridge control valve group 15 first is coupled to tetrad (18-21), spring
After positioning, then master control connection 17 is operated, system builds pressure at this time, and three horizontal support legs S4 and an oscillating support leg S1 are in cross cylinder
23 effects are lower to open.After unclamping master control 17 handles of connection, automatically reset, system is by position drain charge in the connection at this time.The lower dress control of switching
First to fourth (18-21) of valve group 15 processed execute same movement, then vertical leg S1 stretches under the effect of Vertical Cylinders 22
Out, vehicle is propped up at this time.Cross cylinder 23 and Vertical Cylinders 22, which are protected after in place by the overflow valve 16 of lower cartridge control valve group 15, is
System safety, set pressure 15MPa.
Above-mentioned course of work hydraulic oil flow direction is as follows respectively:
Oil inlet direction: oil pump 2 --- the first solenoid valve 71 in transfer pressure switching valve 7 --- third check valve 77 --- branch
15 oil inlet of leg control valve --- cross cylinder, 23/ Vertical Cylinders 22
Oil return direction: 23/ Vertical Cylinders 22 of cross cylinder --- 15 oil return opening of supporting leg control valve --- fuel tank 1
Let out the circuit He: oil pump 2 --- the first solenoid valve 71 in transfer pressure switching valve 7 --- third check valve 77 --- branch
15 oil inlet of leg control valve --- 15 master control of supporting leg control valve joins 17 first actuator ports --- is second in transfer pressure switching valve 7
Solenoid valve 72 --- fuel tank 1.
(2) course of work is filled on
(1) swing mechanism S5 is acted
In transfer pressure switching valve 7 in three position four-way electromagnetic valve 72 in DT2, upper cartridge control valve group 24 the first 26 DT4 or
DT5 obtains electric.
It is as follows that revolution acts hydraulic oil flow direction:
Oil inlet direction: oil pump 2 --- the first solenoid valve 71 in transfer pressure switching valve 7 --- third check valve 77 --- branch
15 oil inlet of leg control valve --- 15 master control of supporting leg control valve joins 17 first actuator ports --- is second in transfer pressure switching valve 7
--- the 4th check valve 78 --- 712 --- third solenoid valves 73 --- of the fixed damping above dress control of 72 first actuator port of solenoid valve
24 oil inlet of valve group processed --- upper cartridge control valve group 24 the first 26 --- rotary motor 32
Upper 24 oil return of cartridge control valve group of oil return direction: rotary motor 32 --- upper cartridge control valve group 24 the first 26 ---
Mouth --- return filter 3 --- hydraulic oil container 1
There are two types of circuits for drain charge: when DT2 obtains electric in second solenoid valve 72 in transfer pressure switching valve 7, being controlled by upper dress
24 drain charge of valve group group processed；When DT4 or DT5 obtains electric in the first 26 in upper cartridge control valve group 24, by supporting leg control valve 15 and point
Position drain charge in second solenoid valve 72 in stage pressure switching valve 7.
In rotary control system, system pressure protection is protected by the overflow valve 711 of transfer pressure switching valve 7, sets up pressure
Power 5MPa.Flow is adjusted by the fixed damping 712 of transfer pressure switching valve 7, so damping 712 is after overflow valve 711.
(2) principal arm S7 jib lubbing mechanism acts
DT6 or DT7 is obtained in DT1, upper cartridge control valve group 24 the second 27 in first solenoid valve 71 in transfer pressure switching valve 7
Electricity.
It is as follows that luffing acts hydraulic oil flow direction:
Oil inlet direction: oil pump 2 --- the first solenoid valve 71 in transfer pressure switching valve 7 --- second one-way valve 76 ---
Upper 24 oil inlet of cartridge control valve group --- the second 27 --- luffing balanced valve 33 --- amplitude oil cylinder 34 of upper cartridge control valve group 24
Oil return direction: amplitude oil cylinder 34 --- the upper dress of luffing balanced valve 33 --- upper cartridge control valve group 24 the second 27 ---
24 oil return opening of control valve group --- return filter 3 --- hydraulic oil container 1
Drain charge circuit: pass through upper 24 drain charge of cartridge control valve group group.
System pressure protection is realized by the overflow valve 25 of upper cartridge control valve group 24 in luffing circuit, set pressure 22MPa.
(3) lower cross arm S3 luffing
DT1 in first solenoid valve 71 in transfer pressure switching valve 7, DT8 or DT9 is obtained in upper 24 third of cartridge control valve group connection 28
Electricity.
It is as follows that lower cross arm luffing acts hydraulic oil flow direction:
Oil inlet direction: oil pump 2 is --- on the first solenoid valve 71 in transfer pressure switching valve 7 --- second one-way valve 76 ---
24 oil inlet of cartridge control valve group --- upper 24 third of cartridge control valve group connection, 28 --- luffing balanced valve 35 --- lower cross arm luffing oil
Cylinder 36
Oil return direction: lower cross arm amplitude oil cylinder 36 --- luffing balanced valve 35 --- goes up 24 third of cartridge control valve group connection
28 --- upper 24 oil return opening of cartridge control valve group --- return filter 3 --- hydraulic oil containers 1
Drain charge circuit and pressure protection are the same as principal arm S7 jib lubbing mechanism.
(4) hoisting mechanism S6 is acted
DT3 in second solenoid valve 72 in transfer pressure switching valve 7, in upper cartridge control valve group 24 in 5-linked 30 DT12 or
DT13 obtains electric.
It is as follows that hoisting mechanism acts hydraulic oil flow direction:
15 oil inlet of oil inlet direction: oil pump 2 --- the first solenoid valve 71 in transfer pressure switching valve 7 --- supporting leg control valve
Mouth --- 15 master control of supporting leg control valve joins 16 first actuator ports --- 72 second work of second solenoid valve in transfer pressure switching valve 7
Make hydraulic fluid port --- the 5th check valve 79 --- upper 24 oil inlet of cartridge control valve group --- upper 24 5-linked 30 of cartridge control valve group ---
Raising balanced valve 43 --- hoist motor 42
Oil return direction: hoist motor 42 --- raising balanced valve 43 --- upper 24 5-linked 30 of cartridge control valve group --- upper dress
24 oil return opening of control valve group --- return filter 3 --- hydraulic oil container 1
There are two types of circuits for drain charge: when DT3 obtains electric in second solenoid valve 72 in transfer pressure switching valve 7, being controlled by upper dress
24 drain charge of valve group group processed；When DT12 or DT13 obtains electric in 5-linked 30 in upper cartridge control valve group 24, pass through 15 He of supporting leg control valve
Position drain charge in second solenoid valve 72 in transfer pressure switching valve 7.
(5) telescopic arm S7 is acted
When stretch, DT1 in the first solenoid valve 71, tetrad in upper cartridge control valve group 24 in transfer pressure switching valve 7
D11 obtains electric in 29.
Stretch hydraulic oil flow direction is as follows:
Semi-girder oil inlet direction: oil pump 2 --- the first solenoid valve 71 in transfer pressure switching valve 7 --- second one-way valve
76 --- go up 24 oil inlet of cartridge control valve group and --- it is flexible to go up 24 tetrad 29 of cartridge control valve group --- flexible balanced valve 37 ---
--- --- --- telescopic oil cylinder 42 --- sequence valve 38 --- telescopic oil cylinder 39 of sequence valve 38 of telescopic oil cylinder 41 of oil cylinder 14.
Semi-girder oil return direction: the telescopic oil cylinder 39 --- --- telescopic oil cylinder 41 --- telescopic oil cylinder 14 --- of telescopic oil cylinder 40
Flexible balanced valve 37 --- upper 24 tetrad 29 of cartridge control valve group --- upper 24 oil return opening of cartridge control valve group --- return filter
3 --- hydraulic oil container 1
Drain charge circuit: pass through upper 24 drain charge of cartridge control valve group group.
During semi-girder, pressure protection realizes protection by the first overflow valve 486 that multistage pressure flow asks for valve 48.
When contracting arm acts, DT1 in the first solenoid valve 71, tetrad in upper cartridge control valve group 24 in transfer pressure switching valve 7
D10 is obtained electric in 29, multistage pressure flow ask in valve 48 DT17 in two position four-way solenoid valves 51 obtain it is electric.
It is as follows that contracting arm acts hydraulic oil flow direction:
Contracting arm oil inlet direction: oil pump 2 --- the first solenoid valve 71 in transfer pressure switching valve 7 --- second one-way valve
76 --- go up 24 oil inlet of cartridge control valve group --- to go up 24 tetrad 29 of cartridge control valve group --- flexible balanced valve 37 --- to stretch
--- telescopic oil cylinder 41 --- telescopic oil cylinder 40 --- telescopic oil cylinder 39 of contracting oil cylinder 14.
--- --- telescopic oil cylinder 40 --- sequence valve 38 --- is flexible for sequence valve 38 for contracting arm oil return direction: telescopic oil cylinder 39
--- --- flexible balanced valve 37 --- upper 24 tetrad 29 of cartridge control valve group --- the upper cartridge control valve of telescopic oil cylinder 14 of oil cylinder 41
Group 24 oil return openings --- return filter 3 --- hydraulic oil container 1
Drain charge circuit: pass through upper 24 drain charge of cartridge control valve group group.
During contracting arm, pressure protection is realized by the second overflow valve of valve 487 of asking for that multistage pressure flow asks for valve 48
Protection.
(6) Top Crossbeam S9 is acted
Top Crossbeam movement flow be the shuttle valve 488 for being asked for by pressure flow in valve 48 take the high pressure oil in flexible oil circuit come
Realization movement.Ask for the first check valve of valve 489 and ask for valve second one-way valve 4810 for oil return flow to it is adaptively selected.From
It takes the 4th solenoid valve 485 of valve and asks for the first overflow valve of valve 486, asks for the second overflow valve of valve 487 and collectively form pressure classification, use
Flexible, Top Crossbeam luffing and telescopic system protection in telescopic arm.Valve third solenoid valve 484 is asked for for separating flexible high pressure oil string
Enter to ask for the first solenoid valve of valve 481 and enter Top Crossbeam amplitude oil cylinder 44 and telescopic oil cylinder 46 with valve second solenoid valve 482 is asked for,
When preventing from not needing Top Crossbeam movement, the high pressure oil that stretches is by asking for the first solenoid valve of valve 481 or asking for valve second solenoid valve 482
It inside lets out into amplitude oil cylinder 44 or telescopic oil cylinder 46 and causes Top Crossbeam fine motion.Top Crossbeam malfunction when flexible.Ask for the first electricity of valve
Magnet valve 481 is respectively used to control Top Crossbeam amplitude oil cylinder 44 and telescopic oil cylinder 46 with valve second solenoid valve 482 is asked for.Ask for valve
Three check valves 4811 are for when the movement of a certain executing agency, return oil pressure to cause second execution to act small mistake in anti-locking system
It is dynamic.
The premise of Top Crossbeam S9 movement is based on telescopic arm S7 is fully extended or complete retracted state, is to prohibit in intermediate state
Only operation Top Crossbeam S9 movement.Here, only illustrating the Top Crossbeam S9 movement of the unmanned plane reclaimer in the operating condition, that is, stretch
Top Crossbeam after contracting arm S7 is fully extended under state acts operating condition.
When Top Crossbeam plays width, DT1 in the first solenoid valve 71 in transfer pressure switching valve 7, the 4th in upper cartridge control valve group 24
D11 in connection 29, multistage pressure flow, which is asked for, to be asked for DT16 in valve third solenoid valve 484, asks for the 4th solenoid valve 485 of valve in valve 48
DT17, the DT18 that asks in the first solenoid valve of valve 481 obtain it is electric.
Under the full reduced state of principal arm S7, it is as follows that Top Crossbeam plays width hydraulic oil flow direction:
Play width oil inlet flow direction: oil pump 2 --- the first solenoid valve 71 in transfer pressure switching valve 7 --- second solenoid valve
76 --- go up 24 oil inlet of cartridge control valve group and --- it is flexible to go up 24 tetrad 29 of cartridge control valve group --- flexible balanced valve 37 ---
--- --- --- --- the sequence valve 38 --- telescopic oil cylinder 39 --- of telescopic oil cylinder 42 of sequence valve 38 of telescopic oil cylinder 41 of oil cylinder 14
Shuttle valve 488 --- asks for valve third solenoid valve 484 --- asking for the first solenoid valve of valve 481 --- Top Crossbeam luffing balanced valve
45 --- Top Crossbeam amplitude oil cylinder 44.
Play width oil return flow direction: Top Crossbeam amplitude oil cylinder 44 --- Top Crossbeam luffing balanced valve 45 --- asks for the first electromagnetism of valve
Valve 481 --- asks for valve third check valve 4811 and --- asks for valve second one-way valve 4810 --- telescopic oil cylinder 39 --- flexible oil
--- --- telescopic oil cylinder 14 --- flexible balanced valve 37 --- upper 24 tetrad of cartridge control valve group of telescopic oil cylinder 41 of cylinder 40
29 --- upper 24 oil return opening of cartridge control valve group --- return filter 3 --- hydraulic oil containers 1
Drain charge circuit: pass through upper 24 drain charge of cartridge control valve group group.
In Top Crossbeam amplitude changing process, pressure protection asks for the first overflow valve of valve by what multistage pressure flow asked for valve 48
486 realize protection, and set pressure 20MPa, secondary safety valve is protected by overflow valve 25 in upper cartridge control valve group 24, set pressure
22MPa。
When Top Crossbeam falls width, DT1 in the first solenoid valve 71 in transfer pressure switching valve 7, the 4th in upper cartridge control valve group 24
D11 in connection 29, multistage pressure flow, which is asked for, to be asked for DT16 in valve third solenoid valve 484, asks for the first solenoid valve of valve 481 in valve 48
In DT19 obtain it is electric.With the above-mentioned hydraulic flow direction of width process, pressure protection is logical for oil inlet direction and oil return direction, drain charge circuit at this time
Cross multistage pressure flow ask for valve 48 ask for the second overflow valve of valve 487 realize protection, set pressure 10MPa.
When Top Crossbeam telescopic process, width principle is fallen with above-mentioned Top Crossbeam, is a difference in that multistage pressure flow asks for valve 48
In ask for DT20 in valve second solenoid valve 482 or DT21 obtains electric realization.Hydraulic oil flow direction is the same, no longer Ao Shu.
Top Crossbeam obtains electric reality when telescopic arm S7 stretches state action entirely, by D12 in tetrad 29 in upper cartridge control valve group 24
It is existing.
Claims (5)
1. unmanned plane recycles integrated vehicle hydraulic control system, it is characterised in that: including fuel tank, oil pump, transfer pressure speed regulation switching
Valve, the upper cartridge control valve group for controlling telescopic arm expanding-contracting action, the lower cartridge control valve group, more for controlling landing leg stretching movement
Stage pressure flow asks for valve；It includes G1-G12 totally 12 hydraulic fluid ports, the first solenoid valve, the second electromagnetism that transfer pressure, which adjusts the speed switching valve,
Valve, third solenoid valve, the 4th solenoid valve, the first check valve, second one-way valve, third check valve, the 4th check valve, the 5th are unidirectionally
Valve, the first overflow valve, the second overflow valve and fixed damping；First hydraulic fluid port G1 is communicated with the second hydraulic fluid port G2, third hydraulic fluid port G3, as
The oil inlet of transfer pressure speed regulation switching valve；First hydraulic fluid port G1 connects oil pump, by the first check valve as primary input hydraulic fluid port；Second
Hydraulic fluid port G2 connects pressure gauge for measuring pressure or pressure switch or pressure sensor, third hydraulic fluid port G3 connect other power oils
Mouthful；4th hydraulic fluid port G4 is drain tap, and the 5th hydraulic fluid port G5 is emergency power hydraulic fluid port, can both do oil return with and also used with oil inlet；6th
Hydraulic fluid port G6 and the 7th hydraulic fluid port G7 is connected, as oil return opening；8th hydraulic fluid port G8 is used to connect the oil inlet of each valve in cartridge control valve group,
9th hydraulic fluid port G9 is used to connect one of oil outlet that master control joins in lower cartridge control valve group, and the tenth hydraulic fluid port G10 is for connecing lower dress
The oil inlet that master control joins in control valve group；11st hydraulic fluid port G11 and the 12nd hydraulic fluid port G12 connect executive component；First solenoid valve
For two-position four way change valve, oil inlet p1 meets the first hydraulic fluid port G1, and oil return opening t1 meets the 4th hydraulic fluid port G4, and the first working hole a1 is through
Two check valves meet the 8th hydraulic fluid port G8, and the second working hole b1 meets the tenth hydraulic fluid port G10 through third check valve；Second solenoid valve is three four
Three-way electromagnetic valve, oil inlet p2 meet the 9th hydraulic fluid port G9, and oil return opening t2 meets the 6th hydraulic fluid port G6 or the 7th hydraulic fluid port G7, the first working hole a2
The second overflow valve oil inlet, the 4th check valve oil inlet, fixed damping and the 5th hydraulic fluid port G5, the 5th hydraulic fluid port G5 is successively met to be used as and answer
Anxious spare mouth；Second actuator port b2 successively meets the 5th check valve oil inlet and the 8th hydraulic fluid port G8；The oil return of second overflow valve connects
To the 6th hydraulic fluid port G6 or the 7th hydraulic fluid port G7；Third solenoid valve is two-position three way magnetic valve, and oil inlet p3 meets the 5th hydraulic fluid port G5, the
One actuator port a3 meets the oil inlet p4 of the 4th solenoid valve 4, and the second actuator port b3 meets the 8th hydraulic fluid port G8；4th solenoid valve is three
Position four-way solenoid valve, oil return opening t4 meet the 6th hydraulic fluid port G6 or the 7th hydraulic fluid port G7, and the first actuator port a4 connects the 11st hydraulic fluid port
G11, the second actuator port b4 meet the 12nd hydraulic fluid port G12；The first overflow valve is connected between oil inlet and oil return opening to limit is
System pressure；The big chamber of final stage oil cylinder is connected to multistage pressure with small intracavitary hydraulic oil in the telescopic oil cylinder group of upper cartridge control valve group control
Flow asks for the oil outlet for two check valves that oil inlet intercommunication is arranged in valve；It includes that flow asks for portion that multistage pressure flow, which asks for valve,
Point, pressure classification part and work commutation part；It includes asking for the first check valve of valve, asking for valve second unidirectionally that flow, which asks for part,
Valve and shuttle valve, pressure classification part include asking for the 4th solenoid valve of valve, ask for the first overflow valve of valve and asking for the second overflow valve of valve,
Work commutation part includes asking for valve third solenoid valve, asking for valve third check valve and commutation three position four-way electromagnetic valve；It asks for
It the first check valve of valve and asks for valve second one-way valve and is oppositely arranged and the oil inlet intercommunication of the two, ask for going out for the first check valve of valve
Hydraulic fluid port and the oil outlet for asking for valve second one-way valve are respectively connected to two oil inlets of shuttle valve, and the oil outlet of shuttle valve, which is connected to, asks for valve
On the oil inlet of third solenoid valve；Ask for the 4th solenoid valve of valve be two position four-way solenoid valves, and ask for the 4th solenoid valve of valve into
The oil outlet of hydraulic fluid port connection shuttle valve, the oil inlet that oil return opening connection asks for the first check valve of valve, asks for valve second one-way valve, second
Actuator port is connected to the oil inlet for taking the first overflow valve of valve, and the first actuator port is connected to the oil inlet for taking the second overflow valve of valve, from
The oil outlet of the first, second overflow valve of valve is taken to be connected to the oil inlet of two check valves of oil inlet intercommunication；Ask for valve third electricity
Magnet valve is two-bit triplet Solenoid ball valve, and the oil inlet for asking for valve third solenoid valve connects the oil outlet of shuttle valve, and oil return opening is connected to oil inlet
The oil inlet of two check valves of mouth intercommunication, the Median Function of commutation three position four-way electromagnetic valve are Y type, two actuator port point
Bie Jie executing agency, oil inlet are connected to the actuator port for taking valve third solenoid valve, and it is two unidirectional to be connected to oil inlet intercommunication for oil return opening
The oil inlet of valve is asked for valve third check valve and is inverted at the oil return opening of commutation three position four-way electromagnetic valve, and its outlet is connected to
The oil inlet of two check valves of oil inlet intercommunication.
2. unmanned plane according to claim 1 recycles integrated vehicle hydraulic control system, it is characterised in that: lower cartridge control valve group
Including master control connection, first, second, third connection, tetrad and overflow valve, master control connection, first, second, third
Connection, tetrad are three electric three-way electromagnetic valves, and first is linked to two actuator ports each in tetrad connects one vertically respectively
The small chamber of the big chamber of oil cylinder and the big chamber of a cross cylinder, Vertical Cylinders and cross cylinder is all connected with the second work of master control connection
Mouthful；Overflow valve is mounted between the oil inlet of master control connection and the oil return line of lower cartridge control valve group.
3. unmanned plane according to claim 1 recycles integrated vehicle hydraulic control system, it is characterised in that: upper cartridge control valve group
Including first, second, third connection, tetrad, 5-linked, the 6th and total overflow valve, and first is coupled to the 6th and is
Y type of the middle position with unloading function automatically controlled integral valve manually, first is followed by rotary motor, second is followed by amplitude oil cylinder, third
Connection is followed by lower cross arm amplitude oil cylinder, tetrad is followed by telescopic oil cylinder group, 5-linked is followed by hoist motor, the 6th is spare,
Total overflow valve is mounted between the oil inlet of master control connection and the oil return line of upper cartridge control valve group.
4. unmanned plane according to claim 3 recycles integrated vehicle hydraulic control system, it is characterised in that: the telescopic oil cylinder
Group includes telescopic oil cylinder identical with telescopic arm quantity in boom, and multiple telescopic oil cylinders are arranged in series, and next telescopic oil cylinder is by upper
Oil is taken in the respective cavities of one telescopic oil cylinder, is connected and is provided with sequence valve on the oil circuit of the adjacent big chamber of two telescopic oil cylinders.
5. unmanned plane according to claim 3 recycles integrated vehicle hydraulic control system, it is characterised in that: upper cartridge control valve group
String has shuttle valve and fixed damping between first two hydraulic fluid ports, and shuttle valve for taking high pressure oil, make by the fixed revolution buffering that damped
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773731.3U CN208361735U (en) | 2018-05-23 | 2018-05-23 | Unmanned plane recycles integrated vehicle hydraulic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773731.3U CN208361735U (en) | 2018-05-23 | 2018-05-23 | Unmanned plane recycles integrated vehicle hydraulic control system |
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| Publication Number | Publication Date |
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| CN208361735U true CN208361735U (en) | 2019-01-11 |
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| CN201820773731.3U Expired - Fee Related CN208361735U (en) | 2018-05-23 | 2018-05-23 | Unmanned plane recycles integrated vehicle hydraulic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569624A (en) * | 2018-05-23 | 2018-09-25 | 河南卫华特种车辆有限公司 | A kind of integrated vehicle hydraulic control system of unmanned plane recycling |
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2018
- 2018-05-23 CN CN201820773731.3U patent/CN208361735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569624A (en) * | 2018-05-23 | 2018-09-25 | 河南卫华特种车辆有限公司 | A kind of integrated vehicle hydraulic control system of unmanned plane recycling |
| CN108569624B (en) * | 2018-05-23 | 2023-11-24 | 国网浙江省电力有限公司台州供电公司 | Unmanned aerial vehicle retrieves integrated car hydraulic control system |
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Granted publication date: 20190111 |