CN205822803U - A kind of material distributing machine drive hydraulic system principle and spiral distributor - Google Patents
A kind of material distributing machine drive hydraulic system principle and spiral distributor Download PDFInfo
- Publication number
- CN205822803U CN205822803U CN201620805443.2U CN201620805443U CN205822803U CN 205822803 U CN205822803 U CN 205822803U CN 201620805443 U CN201620805443 U CN 201620805443U CN 205822803 U CN205822803 U CN 205822803U
- Authority
- CN
- China
- Prior art keywords
- oil
- branch road
- pressure
- material distributing
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
This utility model provides a kind of material distributing machine drive hydraulic system principle and spiral distributor, belong to building field, material distributing machine drive hydraulic system principle is applied to spiral distributor, and material distributing machine drive hydraulic system principle includes fuel tank, oil feeding line, oil return circuit and at least three working oil path；Oil feeding line connects with fuel tank respectively with oil return circuit, and oil feeding line is provided with oil pump and for driving the oil supply motor of operation of oil pump；Oil feeding line connects with fuel tank respectively with oil return circuit, and oil feeding line is provided with oil pump and for driving the oil supply motor of operation of oil pump.Material distributing machine drive hydraulic system principle simple in construction, cost of manufacture are relatively low, and it is capable of the independent control of executive component, after material distributing machine drive hydraulic system principle is applied to spiral distributor, can accurately control the amount of concrete of zones of different, the cloth of spiral distributor is more accurate.
Description
Technical field
This utility model relates to building field, in particular to a kind of material distributing machine drive hydraulic system principle and screw distribution
Machine.
Background technology
Concrete spreader is aid common in construction process, and it is the end-equipment of pump concrete,
In its effect is the template that component to be poured delivered to by concrete pump pressure come by pipeline.
The most spiral material distributing machine is mainly made up of hopper, stirring system, motor, helical axis, bin gate oil cylinder and bin gate, material
Bucket is for holding concrete to be poured, and stirring system guarantees that concrete will not occur isolation and condense during cloth,
The quantity of helical axis needs the size according to die station to set, and the quantity of usual helical axis is 8-12 root.
Spiral distributor typically uses hydraulic system to be controlled, and existing hydraulic system is complex, spiral distributor
To pour effect poor.
Utility model content
This utility model embodiment provides a kind of material distributing machine drive hydraulic system principle, and system is relatively simple, can be to difference
Executive component individually control.
This utility model embodiment additionally provides a kind of spiral distributor, and multiple helical axis of spiral distributor can be carried out
Individually controlling, cloth effect is more preferable.
Embodiment of the present utility model is achieved in that
Embodiment one material distributing machine drive hydraulic system principle of the present utility model, described material distributing machine drive hydraulic system principle includes oil
Case, oil feeding line, oil return circuit and at least three working oil path；Described oil feeding line and described oil return circuit respectively with described oil
Case connects, and described oil feeding line is provided with oil pump and for driving the oil supply motor of described operation of oil pump；Described at least three works
Making the described working oil path of every in oil circuit and all include permanent to branch road, described perseverance includes oil-feed branch road and fuel-displaced branch road to branch road,
Described oil-feed branch road connects with described oil feeding line, and described fuel-displaced branch road connects with described oil return circuit, and described oil-feed branch road sets
Being equipped with electricity proportional flow control valve, be arranged in parallel between described at least three working oil path, every described working oil path is respectively used to control
Make at least one executive component.
Optionally, described oil-feed branch road also includes pressure-compensated valve.
Optionally, described material distributing machine drive hydraulic system principle also includes that pressure regulation oil circuit, described pressure regulation oil circuit include three-way flowrate
Valve and at least three pressure regulation branch roads；Described three-way flowrate valve includes the first oil-in, the first oil return opening and pressure modulating opening, described first
Oil-in connects with described oil feeding line, and described first oil return opening connects with described oil return circuit；Every described pressure regulation branch road divides
Not being correspondingly arranged with wherein described working oil path, every described pressure regulation branch road all includes that shuttle valve, described shuttle valve include second
Oil-in, the 3rd oil-in and the second oil return opening, the second oil return opening of one of them described shuttle valve connects with described pressure modulating opening, its
Remaining second oil return opening of described shuttle valve connects with the second oil-in of shuttle valve described in another one, and described 3rd oil-in is with described
Oil-feed branch road connects.
Optionally, described working oil path also include break-in branch road and reversal valve, described break-in branch road include the first branch road and
Second branch road, described first branch road and described second branch road are correspondingly arranged with described executive component respectively, and described reversal valve is arranged
In described perseverance between branch road and described break-in branch road, described reversal valve includes the 4th oil-in, the 3rd oil return opening, the first work
Hydraulic fluid port and the second actuator port, between described oil-feed branch road and described 4th oil-in, described fuel-displaced branch road and described 3rd time
Between hydraulic fluid port, between described first branch road and described first actuator port, described second branch road and described second actuator port it
Between be correspondingly arranged.
Corresponding, embodiment of the present utility model additionally provides a kind of spiral distributor, and described spiral distributor includes holding
Units and above-mentioned material distributing machine drive hydraulic system principle, described executive component is controlled by described material distributing machine drive hydraulic system principle.
Compared with prior art, this utility model embodiment provides the benefit that: oil supply motor drives operation of oil pump, oil pump
Being evacuated in oil feeding line by hydraulic oil in fuel tank, hydraulic oil branches in the oil-feed branch road of different operating oil circuit, oil-feed branch road
Interior electric proportional flow control valve controls the oil pressure of the hydraulic oil in oil-feed branch road, and makes hydraulic oil enter in executive component, through holding
The hydraulic oil of units is in fuel-displaced branch road flow to oil return circuit and finally flows back in fuel tank.Every working oil path is the most independent
Work, the rotating speed of each executive component is adjusted as required, and the rotating speed of each executive component can be identical, it is also possible to no
With, it is also possible to part is equal mutually, and material distributing machine drive hydraulic system principle simple in construction, cost of manufacture are relatively low, and is capable of performing
The independent control of element, after material distributing machine drive hydraulic system principle is applied to spiral distributor, can be to the concrete of zones of different
Amount accurately controls, and the cloth of spiral distributor is more accurate.
Accompanying drawing explanation
The material distributing machine drive hydraulic system principle schematic diagram that Fig. 1 provides for this utility model embodiment 1；
Fig. 2 is the A portion close-up schematic view of Fig. 1；
Fig. 3 is the B portion close-up schematic view of Fig. 1；
Fig. 4 is the C portion close-up schematic view of Fig. 1；
The spiral distributor schematic diagram that Fig. 5 provides for this utility model embodiment 2；
Fig. 6 is the cloth path schematic diagram of Fig. 5；
Fig. 7 is the rough schematic view of Fig. 6；
Fig. 8 is the step schematic diagram of Fig. 7.
Description of reference numerals:
Material distributing machine drive hydraulic system principle 10；
Fuel tank 11；
Oil feeding line 12；Oil pump 121；Oil supply motor 122；Filter 123；
Overflow valve 13；
Oil return circuit 14；Cooler 141；
Working oil path 15；
Permanent to branch road 151；Oil-feed branch road 1511；Fuel-displaced branch road 1512；Electricity proportional flow control valve 1513；Pressure-compensated valve
1514；
Break-in branch road 152；First branch road 1521；Second branch road 1522；
Reversal valve 153；4th oil-in 1531；3rd oil return opening 1532；First actuator port 1533；Second actuator port
1534；
Load cell 16；
Pressure regulation oil circuit 17；
Three-way flowrate valve 171；First oil-in 1711；First oil return opening 1712；Pressure modulating opening 1713；
Pressure regulation branch road 173；
Shuttle valve 1731；Second oil-in 1731A；3rd oil-in 1731B；Second oil return opening 1731C；
Feedback branch 1732；Connecting portion 1732A；
Spiral distributor 20；
Executive component 21；Hopper 22；Stirring system 23；Helical axis 24；Bin gate oil cylinder 25；Bin gate 26.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Based on the enforcement in this utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into
The scope of this utility model protection.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of this utility model protection.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, it should be noted that term " first ", " second ", " the 3rd " etc. are only used for district
Divide and describe, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " connection " should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in utility model.
Fig. 1-Fig. 4 corresponds to embodiments herein 1, and Fig. 5-Fig. 8 corresponds to embodiments herein 2.Below in conjunction with
The technical solution of the utility model is described in detail by accompanying drawing.
Embodiment 1:
The material distributing machine drive hydraulic system principle schematic diagram that Fig. 1 provides for this utility model embodiment 1, refers to Fig. 1, material distributing machine
Drive hydraulic system principle 10 mainly includes fuel tank 11, oil feeding line 12, oil return circuit 14 and a plurality of working oil path 15.
Fuel tank 11 is used for holding hydraulic oil, and oil feeding line 12 connects with fuel tank 11 respectively with oil return circuit 14, oil feeding line
12 connect with working oil path 15 respectively with oil return circuit 14, and " connection " described in the present embodiment refers to that hydraulic oil can be from which
Article one, oil circuit flow to an other oil circuit or hydraulic oil can flow to another one hydraulic fluid port by a hydraulic fluid port from which, the mode of connection
Petroleum pipeline etc. can be used.Oil feeding line 12 is for fuel feeding in working oil path 15, and working oil path 15 is used for controlling executive component
21, the hydraulic oil in working oil path 15 can form circulation in returning to fuel tank 11 by oil return circuit 14, and hydraulic oil can circulate
Use.
Wherein the quantity of working oil path 15 is at least three, and in FIG, the quantity of working oil path 15 is eight, working oil
The quantity on road 15 is that the quantity according to executive component 21 determines, is arranged in parallel and each other between a plurality of working oil path 15
Independent, every working oil path 15 is respectively used to control at least one executive component 21, and every working oil path 15 all can same time control
Making two and above executive component 21, the multiple executive components 21 controlled by a working oil path 15 can work asynchronously.At this
In embodiment, working oil path 15 and executive component 21 one_to_one corresponding, the most each working oil path 15 is respectively used to control one and holds
Units 21.It should be noted that the position shown between working oil path 15 with executive component 21 in order to clearer, be connected pass
Systems etc., draw executive component 21, but do not represent executive component 21 and must belong to the group of material distributing machine drive hydraulic system principle 10 in figure
Become part, i.e. material distributing machine drive hydraulic system principle 10 can comprise executive component 21, it is also possible to not comprise executive component 21.
Further, referring to Fig. 2, every working oil path 15 all includes permanent to branch road 151, permanent liquid in branch road 151
Force feed flows to constant, and perseverance includes oil-feed branch road 1511 and fuel-displaced branch road 1512, the most referring also to Fig. 1, oil-feed branch road to branch road 151
1511 connect with oil feeding line 12, and fuel-displaced branch road 1512 connects with oil return circuit 14, and hydraulic oil can flow to from oil feeding line 12
In oil-feed branch road 1511, it is also possible to flow out in oil return circuit 14 from fuel-displaced branch road 1512.Seeing Fig. 3, oil-feed branch road 1511 sets
It is equipped with electricity proportional flow control valve 1513, realizes the hydraulic pressure in oil-feed branch road 1511 by the aperture of regulation electricity proportional flow control valve 1513
Oil pressure controls, and the aperture of electricity proportional flow control valve 1513 is the biggest, then the hydraulic fluid pressure in oil-feed branch road 1511 is the biggest, otherwise then
The least.
Electricity proportional flow control valve 1513 is made up of flow valve and proportioning device, flow is proportional with the control signal of telecommunication
Hydraulic valve, to provide electromagnetic force produced by the solenoid of the outer device of bar big to the openings of sizes i.e. aperture controlling flow valve
Little.
Oil feeding line 12 is provided with oil pump 121, oil supply motor 122 and filter 123, and oil supply motor 122 can when working
Driving oil pump 121 to work, oil pump 121 makes the hydraulic oil in fuel tank 11 enter in oil feeding line 12, and filter 123 is for by fuel feeding
Hydraulic oil filtering in oil circuit 12, certainly, filter 123 can also be cancelled, i.e. enter hydraulic oil in oil feeding line 12 without
Filter also possible.
For the material distributing machine drive hydraulic system principle 10 of said structure, its work process is: oil supply motor 122 drives oil pump
121 work, the hydraulic oil in fuel tank 11 is evacuated in oil feeding line 12 by oil pump 121, hydraulic oil through filter 123 filter (if
Material distributing machine drive hydraulic system principle 10 does not contains filter 123, then filtration step can be cancelled), hydraulic oil branches to different operating
In the oil-feed branch road 1511 of oil circuit 15, the electric proportional flow control valve 1513 in oil-feed branch road 1511 controls the liquid in oil-feed branch road 1511
The oil pressure of force feed, and make hydraulic oil enter in executive component 21, through the hydraulic oil of executive component 21 through fuel-displaced branch road 1512
In flowing to oil return circuit 14 and finally flow back in fuel tank 11.
When material distributing machine drive hydraulic system principle 10 works, hydraulic oil enters in oil feeding line 12, the hydraulic pressure in oil feeding line 12
In the oil working oil path 15 that distribution is the most different as required, make executive component 21 realize intended action, in the present embodiment, hold
Units 21 is auger motor, and auger motor rotates, and drives helical axis to rotate, and after executive component 21, hydraulic oil enters back
Oil oil circuit 14 is interior and flows back to fuel tank 11, iterative motion.Every working oil path 15 all works alone, each executive component 21
Rotating speed is adjusted as required, and the rotating speed of each executive component 21 can be identical, it is also possible to different, it is also possible to part is identical
Deng, controlling each bar working oil path 15 by electricity proportional flow control valve 1513 works alone, and can carry out intelligence cloth, and intelligence cloth is
Refer to determine different auger motor rotating speeds according to the shape etc. of component, and then control the discharging speed at each helical axis.
On the basis of said structure, material distributing machine drive hydraulic system principle 10 can also comprise other structure, it may be assumed that working oil path
Also including break-in branch road 152 and reversal valve 153, material distributing machine drive hydraulic system principle 10 also includes load feedback system, pressure regulation oil circuit
17。
Working oil path 15 can only comprise permanent to branch road 151, makes auger motor only do one direction and rotates, sees Fig. 2, it is possible to
To set up break-in branch road 152 and reversal valve 153 in every working oil path 15, it is of course also possible to be that part working oil path 15 is wrapped
Containing break-in branch road 152 and reversal valve 153.
As in figure 2 it is shown, break-in branch road 152 can include the first branch road 1521 and the second branch road 1522, the first branch road 1521
Be correspondingly arranged with executive component 21 respectively with the second branch road 1522, the i.e. first branch road 1521 and the second branch road 1522 respectively with execution
Element 21 connects, when hydraulic oil flows in the first branch road 1521, executive component 21 and the second branch road 1522, and executive component 21
Corresponding action can be carried out.
Reversal valve 153 is arranged at permanent between branch road 151 and break-in branch road 152, and reversal valve 153 includes the 4th oil-in
1531, the 3rd oil return opening the 1532, first actuator port 1533 and the second actuator port 1534, oil-feed branch road 1511 and the 4th oil-feed
Between mouthfuls 1531, between fuel-displaced branch road 1512 and the 3rd oil return opening 1532, the first branch road 1521 and the first actuator port 1533 it
Between, be correspondingly arranged between the second branch road 1522 and the second actuator port 1534, being correspondingly arranged can be to be arranged on by oil line pipe
Oil port.In the present embodiment, every working oil path 15 all comprises a reversal valve 153, and reversal valve 153 can be two-position four-way
Reversal valve 153 or three-dimensional four-way change-over valve 153, certainly, a part of reversal valve 153 uses two-position four way change valve 153, and other one
Part reversal valve 153 uses three position four-way directional control valve 153 also possible.
Hydraulic oil flow in break-in branch road 152 is to changing, thus realizes the different actions of executive component 21,
In the present embodiment, break-in branch road 152 realizes the forward or reverse of auger motor, and the hydraulic oil flow in break-in branch road 152 is to change
Realized by reversal valve 153.
Said structure ensure that executive component 21 normally can work in the case of not having other interference, and in actual work
In work, executive component 21 (in the present embodiment, illustrating as a example by auger motor) may be affected by external force so that
There is certain change in the rotating speed of auger motor, and then affects the uniformity of cloth.
In order to improve this problem, see Fig. 1, additionally provide load cell 16, load cell in the present embodiment
16 are arranged at auger motor, and load cell 16 is used for detecting the rotating speed of executive component (21) i.e. auger motor.Load
Sensor 16 can detect the load of auger motor and information feeds back to system in time, it is simple to staff adjusts in time
Joint.
It addition, material distributing machine drive hydraulic system principle 10 also include pressure-compensated valve 1514, pressure-compensated valve 1514 be arranged at into
In oil branch road 1511, pressure-compensated valve 1514 compensates the hydraulic oil pressure reduction in oil-feed branch road 1511 the most automatically, thus real
The control of existing hydraulic fluid pressure, pressure-compensated valve 1514 makes the pressure in oil-feed branch road 1511 big according to the load of auger motor
Little changing, the invariablenes turning speed of auger motor, being changed by load is affected the least, and cloth is highly uniform, is effectively improved
Concrete structure stability after pouring.
When rotating speed and/or the load difference of executive component 21, the oil pressure that different oil-feed branch roads 1511 may need is not
With, to make material distributing machine drive hydraulic system principle 10 normally work, then need the oil pressure making oil feeding line 12 to prop up more than all oil-feeds
Oil pressure needed for road 1511, and the required hydraulic fluid pressure of oil-feed branch road 1511 can change, to make fuel feeding oil
The oil pressure on road 12 is constant, then oil pressure may be caused too small or excessive, oil pressure excessive or too small all may result in material distributing machine drive
Hydraulic system 10 is damaged or cannot normally work, and the moment keeps the high oil pressure of oil feeding line 12 to also result in the wave of the energy
Take.
In order to improve the problems referred to above, see Fig. 1, present embodiments provide a kind of optional scheme, i.e. drive in material distributing machine
Setting up pressure regulation oil circuit 17 in hydraulic system 10, pressure regulation oil circuit 17 is used for detecting the maximum oil pressure required for oil-feed branch road 1511, and
Make the adjustment of oil pressure in oil feeding line 12 to the scope being more suitable for.
Pressure regulation oil circuit 17 is mainly made up of three-way flowrate valve 171 and at least three pressure regulation branch roads 173, every pressure regulation branch road
173 are correspondingly arranged with wherein working oil path 15, and the last item working oil path 15 can be not provided with pressure regulation branch road 173, at this
In embodiment, working oil path 15 and pressure regulation branch road 173 one_to_one corresponding.
Concrete, referring to Fig. 4, three-way flowrate valve 171 includes first oil-in the 1711, first oil return opening 1712 and pressure regulation
Mouth 1713, the first oil-in 1711 connects with oil feeding line 12, and the first oil return opening 1712 connects with oil return circuit 14, three-way flowrate
Valve 171 is internally provided with built-in spring, and the first oil-in 1711 and pressure modulating opening 1713 all can oil-feeds and all can be from first time
Hydraulic fluid port 1712 oil return is to oil return circuit 14.
Oil pressure at first oil-in 1711 is defined as the first logic oil pressure, the oil pressure of pressure modulating opening 1713 is defined as
Two logic oil pressure, built-in spring has certain elastic force, and the pressure of built-in spring is defined as built-in pressure, and wherein, first patrols
Collecting oil pressure, the second logic oil pressure and built-in pressure three and there is certain relation, the relation existed is by three-way flowrate valve 171
Built-in spring modes of emplacement is relevant.In the present embodiment, it is more than or equal to the second logic oil pressure with built-in when the first logic oil pressure
During pressure sum, the hydraulic oil in oil feeding line 12 understand some in three-way flowrate valve 171 flows into oil return circuit 14,
Another part hydraulic oil can flow in working oil path 15；When the first logic oil pressure is less than the second logic oil pressure and built-in pressure
During sum, the hydraulic oil in oil feeding line 12 can supercharging under the control of ambient systems, the mode of supercharging include increase fuel feeding
Hydraulic oil flow velocity in oil circuit 12 and flow etc., until the first logic oil pressure is equal or slightly larger than the second logic oil pressure and built-in pressure
Power sum, the operation principle of three-way flowrate valve 171 is similar with the principle of overflow valve 13, simply sets up pressure modulating opening 1713 and pressure modulating opening
Hydraulic oil at 1713 also is able to flow out from the first oil return opening 1712.
Three-way flowrate valve 171 is for controlling the oil pressure in oil feeding line 12, and the oil pressure at pressure modulating opening 1713 is propped up by pressure regulation
Road 173 carries out detecting and logical analysis, sees Fig. 4, and every pressure regulation branch road 173 all includes that shuttle valve 1731, shuttle valve 1731 include
Two oil-in 1731A, the 3rd oil-in 1731B and the second oil return opening 1731C.Shuttle valve 1731 belongs to the one of logical valve, shuttle valve
1731 be internally provided with for comparing the steel ball of oil pressure at the second oil-in 1731A and the 3rd oil-in 1731B, steel ball is permissible
Block the second oil-in 1731A or the 3rd oil-in 1731B, only make in the two a normal job and make hydraulic oil from second
Oil return opening 1731C flows out.The operation principle of shuttle valve 1731 is: if the oil pressure at the second oil-in 1731A is more than the 3rd oil-in
Oil pressure at 1731B, then steel ball is pushed at the 3rd oil-in 1731B and is blocked, the hydraulic pressure at the second oil-in 1731A
Oil flows out from the second oil return opening 1731C, say, that between the second oil-in 1731A and the second oil return opening 1731C, the 3rd enter
A connection, the oil pressure at the second oil return opening 1731C and the second oil-feed is only had between hydraulic fluid port 1731B and the second oil return opening 1731C
Oil pressure at mouthful 1731A is equal or the oil pressure at the second oil return opening 1731C and the oil pressure at the 3rd oil-in 1731B equal.
The most referring also to Fig. 1, the second oil return opening 1731C of one of them shuttle valve 1731 connect with pressure modulating opening 1713, remaining
Second oil return opening 1731C of shuttle valve 1731 connects with the second oil-in 1731A of a upper shuttle valve 1731, the 3rd oil-in
1731B connects with oil-feed branch road 1511.
In order to make hydraulic system simpler as much as possible, the quantity of pressure regulation branch road 173 can be less than or equal to working oil
The quantity on road 15: when the quantity of pressure regulation branch road 173 is less than the quantity of working oil path 15, the quantity of working oil path 15 is propped up with pressure regulation
The difference of the quantity on road 173 can be 1, and wherein the second oil return opening 1731C of first shuttle valve 1731 connects with pressure modulating opening 1713,
4th oil return opening of later shuttle valve 1731 directly connects with the oil-feed branch road 1511 of the last item working oil path 15；When pressure regulation is propped up
When the quantity on road 173 is equal to the quantity of working oil path 15, wherein the second oil return opening 1731C and pressure modulating opening of first shuttle valve 1731
1713 connections, the second oil return opening 1731C of last shuttle valve 1731 and the oil-feed branch road 1511 of the last item working oil path 15
Connection, the 4th oil return opening of last shuttle valve 1731 is blocked or is connected with other elements.
Owing to the hydraulic oil in pressure regulation oil circuit 17 to reflux through three-way flowrate valve 171, energy is easily wasted, and at this
In embodiment, it is provided with choke valve (being not drawn in Figure of description) between oil-feed branch road 1511 and the second oil return opening 1731C, enters
Enter the hydraulic oil in pressure regulation branch road 173 considerably less, the effectively save energy.
Optionally, see Fig. 3, pressure-compensated valve 1514 between electricity proportional flow control valve 1513 and oil feeding line 12, the
Connected by feedback branch 1732 between three oil-in 1731B and oil-feed branch road 1511, feedback branch 1732 and oil-feed branch road
The connecting portion 1732A of 1511 is divided into connecting portion 1732A, electricity proportional flow control valve 1513 to be positioned at connecting portion 1732A and pressure-compensated valve
Between 1514.The position of connecting portion 1732A may insure that the oil pressure entered in the 4th hydraulic fluid port and the oil controlled in executive component 21
Pressing equal or of substantially equal, it is more accurate to detect.At the same time it can also be make feedback branch 1732 connect with pressure-compensated valve 1514,
Pressure-compensated valve 1514 can detect the oil pressure of feedback branch 1732 and be adjusted the oil pressure in oil-feed branch road 1511.
Owing to hydraulic oil is after executive component 21, temperature raises, and the oil temperature in fuel tank 11 may be made to raise, Jin Erying
Ringing the use of hydraulic oil, therefore, refer to Fig. 1, can arrange cooler 141 in oil feeding line 12, cooler 141 can be right
Hydraulic oil cools down.
It addition, refer to Fig. 1, overflow valve 13 can also be set, when fuel feeding oil between oil feeding line 12 and oil return circuit 14
When oil pressure in road 12 exceedes certain scope, a part of hydraulic oil in oil feeding line 12 can be back to oil return from overflow valve 13
The security performance of system is guaranteed in oil circuit 14.
This material distributing machine drive hydraulic system principle 10 is mainly used in driving concrete spreader work, is particularly suitable for driving spiral
Material distributing machine 20.
After material distributing machine drive hydraulic system principle 10 sets up miscellaneous part, work process is following (if material distributing machine drives hydraulic pressure system
There is not some structure in system 10, then can corresponding step be cancelled):
Fuel feeding step: oil supply motor 122 works, drives oil pump 121 to operate, and oil pump 121 provides liquid in oil feeding line 12
Force feed, hydraulic oil filters through filter 123, makes the hydraulic oil after filtration be full of oil feeding line 12；In Fuel injection system, if supplying
Oil pressure in oil oil circuit 12 exceedes the scope of setting, then hydraulic oil can be in overflow valve 13 enters oil return circuit 14.
Working oil path 15 job step: as required, the hydraulic oil in oil feeding line 12 shunts and respectively enters a plurality of work
Making in the oil-feed branch road 1511 of oil circuit 15, hydraulic oil flow is through pressure-compensated valve 1514 and electricity proportional flow control valve 1513, by regulation
The aperture size of electricity proportional flow control valve 1513 determines that the oil pressure in oil-feed branch road 1511, the i.e. aperture of electricity proportional flow control valve 1513 are big
Little decision enters the oil pressure in executive component 21 (in the present embodiment, executive component 21 is auger motor), and hydraulic oil is through changing
Arriving at auger motor to valve 153 and be controlled auger motor, auger motor drives helical axis rotation to carry out cloth；Due to
Working oil path 15 is all arranged in parallel, and the most there is not interference, and is determined by each self-corresponding electricity proportional flow control valve 1513
Oil pressure in oil-feed branch road 1511, therefore, the rotating speed of auger motor can individually be controlled by material distributing machine drive hydraulic system principle 10
Make and arbitrarily regulate the rotating speed of each auger motor.
The aperture of electricity proportional flow control valve 1513 refers to the valve opening angle of electricity proportional flow control valve 1513, by controlling valve
Opening angle size realize controlling aperture and area of section, the valve opening angle of electricity proportional flow control valve 1513 is the biggest, then
Aperture is the biggest, flow is the biggest, otherwise then aperture is the least, flow is the least.
Load feedback step: the load cell 16 on auger motor detects the load of auger motor, and by information
Being transferred to pressure-compensated valve 1514, the spring in pressure-compensated valve 1514 can occur certain change, it is ensured that flows through electricity ratio stream
The spring set pressure that pressure reduction is pressure-compensated valve 1514 of amount valve 1513 entrance and exit, therefore, bearing regardless of auger motor
Carrying and how to change, pressure-compensated valve 1514 and electricity proportional flow control valve 1513 all can guarantee that the stabilization of speed of auger motor.
Pressure regulation step: illustrate as a example by two of which working oil path 15, corresponding, the quantity of pressure regulation branch road 173 is also
Can be two, two working oil path 15 are respectively defined as the first working oil path 15 and the second working oil path 15, by two tune
Pressure branch road 173 is respectively defined as the first pressure regulation branch road 173 and the second pressure regulation branch road 173, meanwhile, by two pressure regulation branch roads 173
Feedback branch 1732 is respectively defined as the first feedback branch 1732 and the second feedback branch 1732, by two pressure regulation branch roads 173
Shuttle valve 1731 is respectively defined as the first shuttle valve 1731 and the second shuttle valve 1731；In the oil-feed branch road 1511 of the second working oil path 15
Hydraulic oil in the second feedback branch 1732 enters the second oil-in 1731A of the second shuttle valve 1731, the second shuttle valve 1731
Be likely to exist from other local hydraulic oil flowed at 3rd oil-in 1731B, the oil pressure in the second oil-in 1731A with
Oil pressure at 3rd oil-in 1731B contrasts, it is assumed that the oil pressure at the second oil-in 1731A is more than the 3rd oil-in
Oil pressure at 1731B, then flow through the hydraulic oil at the second oil return opening 1731C of the second shuttle valve 1731 from the second oil return opening 1731C
Place flows out, the oil pressure at the second oil return opening 1731C of the second shuttle valve 1731 and the basic phase of oil pressure at the second oil-in 1731A
Deng；Hydraulic oil at second oil return opening 1731C of the second shuttle valve 1731 enters the 3rd oil-in 1731B of the first shuttle valve 1731
In, the hydraulic oil in the oil-feed branch road 1511 of the first working oil path 15 enters the first shuttle valve by the first feedback branch 1732 simultaneously
At the second oil-in 1731A of 1731, the second oil-in 1731A of the first shuttle valve 1731 and the 3rd oil-in 1731B carries out oil
Relatively, the greater is flowed out pressure ratio by the second oil return opening 1731C of the first shuttle valve 1731；Each pressure regulation branch road 173 is the most straight successively
To flowing in three-way flowrate valve 171, enter the maximum oil pressure that oil pressure is each working oil path 15 of three-way flowrate valve 171, by the
One logic oil pressure, the second logic oil pressure and built-in pressure carry out relation contrast, and by the adjustment of oil pressure in oil feeding line 12 to closing
Suitable scope.
Oil return step: flow into hydraulic oil in oil return circuit 14 cooling for reflux through subcooler 141 in fuel tank 11.
Embodiment 2
Corresponding, seeing Fig. 5, this utility model embodiment additionally provides a kind of spiral distributor 20, this spiral distributor
The structure of 20 can be identical with structure of the prior art, and spiral distributor 20 includes hopper 22, stirring system 23, executive component
21, helical axis 24, bin gate oil cylinder 25 and bin gate 26 etc., the concrete attachment structure between all parts refer to prior art,
In the present embodiment, executive component 21 uses auger motor, auger motor to be used for driving helical axis rotation to carry out cloth.
The auger motor of spiral distributor 20 is driven by material distributing machine drive hydraulic system principle 10, each auger motor correspondence one
Bar working oil path 15.
When using the spiral distributor 20 in embodiment 2 to carry out cloth, intelligence cloth can be carried out, concretely comprise the following steps:
Seeing Fig. 8, when material distributing machine carries out cloth, system calculates the fortune of material distributing machine according to the component overall size in component
Row track, according to the thickness in component drawing and concrete material, helical axis 24 rotating speed and the auger motor that calculate needs turn
Speed；Running orbit according to material distributing machine calculates the distance of material distributing machine outer helical distance mould, such as the distance of No. 1 helical axis 24
Distance w2 of w1 and No. 5 helical axis 24 (see Fig. 6, Fig. 7, in the present embodiment, choose 1#-5# helical axis 24 and illustrate, its
Excess-three helical axis can not work)；Contrasted with master screw distance between axles w by distance (w1, w2), it is possible to obtain No. 1 spiral
Axle and master screw distance between axles, the relation of No. 5 helical axis master screw distance between axles, thus draw the rotating speed of each helical axis 24；
By the aperture size of regulation electricity proportional flow control valve 1513, control each auger motor and make helical axis 24 obtain corresponding rotating speed,
Thus realize the rotation speed requirements of intelligence cloth, component is carried out concreting.
It should be noted that in the case of not conflicting, the feature in embodiment in this utility model can mutually be tied
Close.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a material distributing machine drive hydraulic system principle, it is characterised in that described material distributing machine drive hydraulic system principle includes fuel tank (11), supplies
Oil oil circuit (12), oil return circuit (14) and at least three working oil path (15)；
Described oil feeding line (12) connects with described fuel tank (11) respectively with described oil return circuit (14), described oil feeding line (12)
It is provided with oil pump (121) and is used for the oil supply motor (122) driving described oil pump (121) to work；
Every described working oil path (15) in described at least three working oil path (15) all includes permanent to branch road (151), described
Perseverance includes oil-feed branch road (1511) and fuel-displaced branch road (1512), described oil-feed branch road (1511) and described fuel feeding to branch road (151)
Oil circuit (12) connects, and described fuel-displaced branch road (1512) connects with described oil return circuit (14), and described oil-feed branch road (1511) is arranged
There is electric proportional flow control valve (1513), be arranged in parallel between described at least three working oil path (15), every described working oil path
(15) it is respectively used to control at least one executive component (21).
Material distributing machine drive hydraulic system principle the most according to claim 1, it is characterised in that described oil-feed branch road (1511) is also wrapped
Include pressure-compensated valve (1514).
Material distributing machine drive hydraulic system principle the most according to claim 2, it is characterised in that described material distributing machine drive hydraulic system principle
Also include that pressure regulation oil circuit (17), described pressure regulation oil circuit (17) include three-way flowrate valve (171) and at least three pressure regulation branch roads
(173)；
Described three-way flowrate valve (171) includes the first oil-in (1711), the first oil return opening (1712) and pressure modulating opening (1713), institute
State the first oil-in (1711) to connect with described oil feeding line (12), described first oil return opening (1712) and described oil return circuit
(14) connection；
Every described pressure regulation branch road (173) is correspondingly arranged with wherein described working oil path (15) respectively, every described pressure regulation
Branch road (173) all includes that shuttle valve (1731), described shuttle valve (1731) include the second oil-in (1731A), the 3rd oil-in
(1731B) He the second oil return opening (1731C), second oil return opening (1731C) of one of them described shuttle valve (1731) and described tune
Pressure mouth (1713) connection, second oil return opening (1731C) of remaining described shuttle valve (1731) and shuttle valve (1731) described in another one
The second oil-in (1731A) connection, described 3rd oil-in (1731B) connects with described oil-feed branch road (1511).
Material distributing machine drive hydraulic system principle the most according to claim 3, it is characterised in that described pressure-compensated valve (1514) position
In described electricity proportional flow control valve (1513) and described oil feeding line (12) between, described 3rd oil-in (1731B) with described enter
Connected by feedback branch (1732) between oil branch road (1511), described feedback branch (1732) and described oil-feed branch road (1511)
Connecting portion (1732A) be divided into connecting portion (1732A), described electricity proportional flow control valve (1513) is positioned at described connecting portion (1732A)
And between described pressure-compensated valve (1514).
Material distributing machine drive hydraulic system principle the most according to claim 4, it is characterised in that described feedback branch (1732) and institute
Stating pressure-compensated valve (1514) connection, described pressure-compensated valve (1514) is used for detecting the oil pressure of described feedback branch (1732) also
Oil pressure in described oil-feed branch road (1511) is adjusted.
6. according to the material distributing machine drive hydraulic system principle described in claim 1-5 any one, it is characterised in that described working oil path
(15) also include that break-in branch road (152) and reversal valve (153), described break-in branch road (152) include the first branch road (1521) and
Two branch roads (1522), described first branch road (1521) and described second branch road (1522) are corresponding with described executive component (21) respectively
Arranging, described reversal valve (153) is arranged at described perseverance between branch road (151) and described break-in branch road (152), described reversal valve
(153) the 4th oil-in (1531), the 3rd oil return opening (1532), the first actuator port (1533) and the second actuator port are included
(1534), between described oil-feed branch road (1511) and described 4th oil-in (1531), described fuel-displaced branch road (1512) and described
Between 3rd oil return opening (1532), between described first branch road (1521) and described first actuator port (1533), described second
It is correspondingly arranged between branch road (1522) and described second actuator port (1534).
7. according to the material distributing machine drive hydraulic system principle described in claim 1-5 any one, it is characterised in that described oil feeding line
And be provided with overflow valve (13) between described oil return circuit (14) (12), described oil feeding line (12) also includes filter (123),
Described filter (123) is arranged between described oil pump (121) and described oil-feed oil circuit, and described oil return circuit (14) includes cooling
Device (141).
8. according to the material distributing machine drive hydraulic system principle described in claim 1-5 any one, it is characterised in that described material distributing machine is driven
Hydrodynamic pressure system also includes the load cell (16) for detecting executive component (21) rotating speed.
9. a spiral distributor, it is characterised in that described spiral distributor includes that executive component (21) and claim 1-8 are appointed
Anticipating a described material distributing machine drive hydraulic system principle, described executive component (21) is by described material distributing machine drive hydraulic system principle control
System.
Spiral distributor the most according to claim 9, it is characterised in that described executive component (21) is auger motor, institute
State executive component (21) and described working oil path (15) one_to_one corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620805443.2U CN205822803U (en) | 2016-07-28 | 2016-07-28 | A kind of material distributing machine drive hydraulic system principle and spiral distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620805443.2U CN205822803U (en) | 2016-07-28 | 2016-07-28 | A kind of material distributing machine drive hydraulic system principle and spiral distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205822803U true CN205822803U (en) | 2016-12-21 |
Family
ID=57557656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620805443.2U Active CN205822803U (en) | 2016-07-28 | 2016-07-28 | A kind of material distributing machine drive hydraulic system principle and spiral distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205822803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506259A (en) * | 2018-04-09 | 2018-09-07 | 徐州燕大传动与控制技术有限公司 | A kind of load sensing formula multi-way valve of the inlet and outlet independent control of valve post-compensation |
-
2016
- 2016-07-28 CN CN201620805443.2U patent/CN205822803U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506259A (en) * | 2018-04-09 | 2018-09-07 | 徐州燕大传动与控制技术有限公司 | A kind of load sensing formula multi-way valve of the inlet and outlet independent control of valve post-compensation |
| CN108506259B (en) * | 2018-04-09 | 2022-02-11 | 徐州燕大传动与控制技术有限公司 | Load sensing type multi-way valve with independently controlled inlet and outlet for valve post compensation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104500508B (en) | Cooling circulation system of liquid cooling equipment and cooling method | |
| CN205822803U (en) | A kind of material distributing machine drive hydraulic system principle and spiral distributor | |
| CN203440658U (en) | Intelligent automatic dyestuff dissolving device | |
| CN102615830A (en) | Rapid molding method based on electrorheological fluid, and apparatus thereof | |
| CN105351293B (en) | A kind of energy-recuperation system of passive volume synchronization system | |
| CN109139598A (en) | A kind of double valve-regulated load port separate control valves based on the compensation of machine hydraulic pressure difference | |
| CN202988618U (en) | Closed hydraulic circuit for controlling cantilever crane to rotate, and crane | |
| CN105402182B (en) | Load sensing multiple directional control valve and loader hydraulic control system | |
| CN103153026B (en) | A kind of liquid cooling system of cooling fluid two-way flow | |
| CN107051356B (en) | Temperature control system, temperature control method and control terminal for powder coating physical polymerization tank | |
| CN103644175B (en) | A kind of fluid power system of nuclear fusion device component transports car | |
| CN110226492A (en) | A kind of electric irrigation and drainage system constant irrigation device and method of agricultural | |
| CN206575945U (en) | A kind of greenhouse automatic drip-irrigation liquid manure integrated device | |
| CN106168234B (en) | A kind of constant displacement pump variable delivery hydraulic system | |
| CN205396210U (en) | Automatic a steering system of tractor | |
| CN110185670A (en) | Construction machinery hydraulic system flow allocation method | |
| CN204385793U (en) | The control device that a kind of excavator swing arm potential energy is recycled | |
| CN202867371U (en) | Cushion valve | |
| CN207256599U (en) | Cooling system | |
| CN202789786U (en) | Hydraulic system and concrete pump truck and engineering machine with same | |
| CN206397839U (en) | Travelling control valve group, hydraulic closed running gear and aerial working platform vehicle | |
| CN207315757U (en) | More arm support digital hydraulic systems | |
| CN107588049A (en) | More arm support digital hydraulic systems and more arm support control methods | |
| CN209586819U (en) | A kind of prefill valve guide's EFM Electronic Fuel Management of hydraulic system | |
| CN104790446B (en) | Full hydraulic bulldozer transmission oil temperature control system, bull-dozer and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |