CN208010685U - Multi-station hydraulic signal opens coaxial cavate fuel path switch conversion control device - Google Patents
Multi-station hydraulic signal opens coaxial cavate fuel path switch conversion control device Download PDFInfo
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- CN208010685U CN208010685U CN201820256646.XU CN201820256646U CN208010685U CN 208010685 U CN208010685 U CN 208010685U CN 201820256646 U CN201820256646 U CN 201820256646U CN 208010685 U CN208010685 U CN 208010685U
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Abstract
The utility model discloses a kind of multi-station hydraulic signals to open coaxial cavate fuel path switch conversion control device, including switch valve and reversal valve, switch valve is connected to the valve chamber of reversal valve by the first oil duct, it is provided with switch valve core in the valve chamber of switch valve, it is provided with reversing valve core in the valve chamber of the reversal valve, multiple switch valve state transformation interface is additionally provided on the switch valve, in switch valve core front and rear, the hydraulic fluid forces switch valve core entered from switch valve state transformation interface acts for the switch valve state transformation interface setting.Multiple switch valve state transformation interface is provided on the switch conversion control device of the utility model, after switch valve state transformation interface connects Remote Hydraulic signaling switch, according to the installation site of Remote Hydraulic signaling switch, different station can be appeared in and the case where multistation driving switch spool acts.
Description
Technical field
The utility model is related to hydraulic control system field, especially a kind of multi-station hydraulic signal opens coaxial cavate oil
Way switch conversion control device.
Background technology
The utility model patent of applicant's earlier application《A kind of linkage based on multiway hydraulic control valve》(the patent No.
201310413960.6) to disclose a kind of linkage applied on anglebender, the linkage is with multipath hydraulic
Based on control valve, multiway hydraulic control valve has conversion spool and reversing valve core, and different hydraulic cylinders can be switched and supplied
Oil and control hydraulic cylinder commutation, can realize that the reinforcing bar of hydraulic control is bent automatically.But above-mentioned multiway hydraulic control valve exists
When controlling hydraulic cylinder action, it is necessary to which the switching of oil cylinder could be carried out by completing the entire motion flow (including commutation) of oil cylinder, no
Some, which can be coped with, has the sequence of movement of hydraulic cylinder the occasion of more complicated requirement.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of coaxial cavate oil circuit of multi-station hydraulic signal unlatching
Switch conversion control device can cope with more complicated sequence of movement requirement using the multistation characteristic of the control device.
Technical solution used by the utility model is：
Multi-station hydraulic signal opens coaxial cavate fuel path switch conversion control device, including switch valve and reversal valve, institute
Switch valve is stated to be connected to by the first oil duct with the valve chamber of reversal valve,
It is provided with switch valve core in the valve chamber of the switch valve, hydraulic oil inlet is provided on switch valve and hydraulic oil goes out
Mouthful, switch valve core action makes hydraulic oil inlet switch connection between the first oil duct and hydraulic oil outlet,
It is provided with reversing valve core in the valve chamber of the reversal valve, A oil duct junctions, B oil duct junctions and one are provided on reversal valve
A above unloading port, A oil duct junctions and B oil duct junctions are separately connected two interfaces of hydraulic cylinder, and reversing valve core action makes first
Oil duct switches connection between A oil duct junctions and B oil duct junctions, when any one first oil duct of connection of A oil duct junctions or B oil duct junctions,
Another connection unloading port,
Multiple switch valve state transformation interface, the switch valve state transformation interface setting are additionally provided on the switch valve
In switch valve core front and rear, the hydraulic fluid forces switch valve core entered from switch valve state transformation interface acts.
Multiple switch valve state transformation interface, switch valve state are provided on the switch conversion control device of the utility model
After becoming alias connection Remote Hydraulic signaling switch, according to the installation site of Remote Hydraulic signaling switch, difference can be appeared in
The case where station and multistation driving switch spool act.
As a further improvement of the above technical scheme, push rod, the push rod position are provided in the valve chamber of the switch valve
Between two adjacent switch valve state transformation interfaces.The hydraulic fluid entered from switch valve state transformation interface can be pushed away first
Dynamic push rod, then acted by push rod pull switch spool.Multistation control can be easily realized using push rod, and push rod can be with switch
Spool detaches, and reduces the production difficulty of switch valve core.
As a further improvement of the above technical scheme, the push rod is wholely set with switch valve core, reduces accessory.
As a further improvement of the above technical scheme, reversal valve state transformation interface is provided on the reversal valve, from
The hydraulic fluid forces reversing valve core action that reversal valve state transformation interface enters.
As a further improvement of the above technical scheme, the switch valve and reversal valve are wholely set.
The utility model has the beneficial effects that：
The prior art is compared, multi-station hydraulic signal provided by the utility model opens coaxial cavate fuel path switch conversion control
Device processed can according to circumstances carry out more complicated control, can cope with more complicated sequence of movement requirement, apply and bent in reinforcing bar
In the control system of machine, the action of reinforcing bar bending can be preferably completed.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the internal oil passages schematic diagram of the utility model first embodiment.
Fig. 2 is the structural schematic diagram of the utility model first embodiment.
Fig. 3 is a kind of connection diagram of control linkage based on the utility model.
Fig. 4 to Figure 11 is each working state schematic representation that linkage is controlled in Fig. 3.
Figure 12 is the oil circuit schematic diagram of the five elbow stirrup benders based on the utility model.
Figure 13 is the structural schematic diagram of the stirrup bender of Figure 12.
Figure 14 is the internal oil passages schematic diagram of the utility model second embodiment.
Specific implementation mode
The utility model provides two that multi-station hydraulic signal opens coaxial cavate fuel path switch conversion control device
Preferred embodiment illustrates.
Referring to Fig.1, Fig. 2, Fig. 1 and Fig. 2 provide the preferred first embodiment of the utility model, including switch valve 1 and change
To valve 2, switch valve 1 is connected to the valve chamber of reversal valve 2 by the first oil duct 3, it is preferred that 2 one of the switch valve 1 and reversal valve
Setting.It is provided with switch valve core 11 in the valve chamber of the switch valve 1, hydraulic oil inlet 12 and hydraulic oil are provided on switch valve 1
Outlet 13, the action of switch valve core 11 make hydraulic oil inlet 12 switch connection between the first oil duct 3 and hydraulic oil outlet 13.It is described
It is provided with reversing valve core 21 in the valve chamber of reversal valve 2, A oil duct junctions, B oil duct junctions and more than one are provided on reversal valve 2
Unloading port O, A oil duct junction and B oil duct junctions are separately connected two interfaces of hydraulic cylinder, and the action of reversing valve core 21 makes the first oil duct 3
It is another when any one first oil duct of connection of the switching connection between A oil duct junctions and B oil duct junctions, A oil duct junctions or B oil duct junctions
A connection unloading port O.
In the present embodiment, switch valve state transformation interface 14,15,16 there are three being also set up on the switch valve 1, wherein
First switch valve state transformation interface 14 is arranged in 11 front of switch valve core, and second switch valve state transformation interface 15 and third are opened
Close valve state becomes alias 16 and is arranged at 11 rear portion of switch valve core.Further, second switch valve state transformation interface 15 and third
Push rod 17 is provided in valve chamber between switch valve state transformation interface 16, there are even between the push rod 17 and switch valve core 11
The gap of logical second switch valve state transformation interface 15.In the present embodiment, the push rod 17 is provided separately with switch valve core 11,
In other embodiments, push rod 17 can be also integrally disposed upon in switch valve core 11.From first switch valve state transformation interface 14 into
The hydraulic fluid entered can be retracted with pull switch spool 11, and the hydraulic fluid entered from second switch valve state transformation interface 15 can
It is stretched out with pull switch spool 11, and the hydraulic fluid entered from third switch valve state transformation interface 16 first pushes push rod, then
It is acted and is stretched out by push rod pull switch spool.By multiple switch valve state transformation interface 14,15,16 above, may be implemented
The action of multistation controlling switch valve core 11, to realize more complicated oil circuit control.
Further, reversal valve state transformation interface 22 is provided on the reversal valve 2, from reversal valve state transformation interface 22
The hydraulic fluid forces reversing valve core 21 of entrance acts.
Further, single-way linkage arm 4, the single-way linkage arm 4 are additionally provided on the fuel path switch conversion control device
Middle part is provided with shaft 41, and 4 both ends of single-way linkage arm correspond to switch valve core 11 and reversing valve core 21 respectively.When switch valve core 11 is stretched
Ejection single-way linkage arm 4 makes single-way linkage arm 4 rotate when going out, and ejection reversing valve core 21 is retracted to change the shape of reversing valve core 21
State realizes linkage, can realize the linkage between switch valve 1 and reversal valve 2 by single-way linkage arm 4, reduce the connection of oil pipe, simple
Change apparatus structure.
With reference to Fig. 3, Fig. 3 provides a kind of connection diagram of the control linkage based on the utility model and is used to illustrate
The course of work of the utility model.The control linkage includes the first hydraulic cylinder 101 and the second hydraulic cylinder 105,
In the first hydraulic cylinder 101 piston rod stroke on setting there are two Remote Hydraulic signaling switch 102,103, the second hydraulic cylinder
It is also provided on 105 piston rod stroke there are two Remote Hydraulic signaling switch 106,107, the second hydraulic cylinder 105 connects this reality
The fuel path switch conversion control device 108 of example is applied, the connection of the first hydraulic cylinder 101 simplifies the switch conversion control device 104 of version,
Oil circuit connection is with reference to Fig. 3.Wherein the hydraulic oil inlet connection oil pump of fuel path switch conversion control device 108 or upper level oil circuit are opened
The hydraulic oil outlet of conversion control device is closed, the hydraulic oil outlet of fuel path switch conversion control device 108 connects next stage oil circuit
The hydraulic oil inlet or fuel tank of switch conversion control device, by the oil of switch valve core control fuel path switch conversion control device 108
Road is moved towards, and 105 fuel feeding of the second hydraulic cylinder or piggybacking hydraulic oil outlet by reversal valve to connection are controlled to switch conversion
Device 104 carries out fuel feeding；Three switch valve state transformation interfaces of the fuel path switch conversion control device 108 are separately connected three
A Remote Hydraulic signaling switch can change the state of switch valve core in the case of different station.
It is the schematic diagram for controlling each working condition of linkage shown in Fig. 4 to Figure 11 with reference to Fig. 4 to Figure 11.Such as Fig. 4 institutes
Show, after control linkage starts, oil pump by fuel path switch conversion control device 108 first to 105 fuel feeding of the second hydraulic cylinder,
The piston rod of the second hydraulic cylinder 105 is set to stretch out.As shown in figure 5, the piston of the second hydraulic cylinder 105 triggers Remote Hydraulic signal
Switch 106, hydraulic oil reach opening positioned at 108 rear portion of fuel path switch conversion control device by Remote Hydraulic signaling switch 106
Close valve state becomes alias, changes the state of switch valve core, and by the state of 4 synchronous change reversing valve core of single-way linkage arm,
The switch valve core state of switch conversion control device 104 is further changed by the hydraulic oil of Remote Hydraulic signaling switch 106.Such as
Shown in Fig. 6, oil pump piggybacking fuel path switch conversion control device 108 drives the first hydraulic pressure to 104 fuel feeding of switch conversion control device
The action of oil cylinder 101 makes piston rod stretch out.Fig. 7 and Fig. 8 show the first hydraulic cylinder 101 triggering Remote Hydraulic signaling switch 102,
The reversal valve of switch conversion control device 104 is set to change state, 101 commutation action of the first hydraulic cylinder.Fig. 9 show the first liquid
After compressing cylinder 101 triggers Remote Hydraulic signaling switch 103, switch conversion control device 104 and fuel path switch conversion and control dress
The switch valve for setting 108 changes state.Figure 10 show 105 commutation action of the second hydraulic cylinder and is resetted.Figure 11 show
Triggering Remote Hydraulic signaling switch 107, changes fuel path switch conversion control device 108 again after two hydraulic cylinders 105 reset
Switch valve state, hydraulic oil can piggybacking fuel path switch conversion control device 108 and switch conversion control device 104 successively, into
Row emptying, or carry out fuel feeding to the switch conversion control device of next stage again.
It is shown by working condition shown in Fig. 4 to Figure 11, is opened using multi-station hydraulic signal provided by the utility model
It opens coaxial cavate fuel path switch conversion control device to control oil circuit, can make to realize between multiple hydraulic cylinders more complicated
Sequence of movement, after the piston rod extending action of the second hydraulic cylinder 105 as shown, according to circumstances can first control next stage oil
Cylinder acts, and is then just resetted to the piston rod of the second hydraulic cylinder 105.Multipath hydraulic control in compared with prior art
The fuel path switch conversion control device structure of valve, the utility model is simpler, realization it is with better function, have widely answer
Use range.And the setting of wherein single-way linkage arm can reduce the connection of oil pipe as far as possible, be further simplified the structure of complete machine.
The present embodiment is suitable for carrying out using hydraulic control system on the mechanical equipment of complex control, such as Figure 12 and Figure 13 institutes
The anglebender shown may replace the lower electric-controlled mechanical equipment of expensive and stability in most of workplace.Such as figure
Shown in 12, using multiple fuel path switch conversion control devices, it can be achieved that the action of the complicated sequence of five elbows, to keep reinforcing bar curved
Folding machine is automatically performed the everything of reinforcing steel bar hoop bending.
Referring to Fig.1 4, the utility model additionally provides second embodiment, including integrated switch valve 1 and reversal valve 2, opens
Valve 1 is closed to be connected to by the first oil duct 3 with the valve chamber of reversal valve 2.It is provided with switch valve core 11 in the valve chamber of the switch valve 1, opens
It closes and is provided with hydraulic oil inlet 12 and hydraulic oil outlet 13 on valve 1, the action of switch valve core 11 makes hydraulic oil inlet 12 in the first oil
Switch connection between road 3 and hydraulic oil outlet 13.It is provided with reversing valve core 21 in the valve chamber of the reversal valve 2, is set on reversal valve 2
It is equipped with A oil duct junctions, B oil duct junctions and more than one unloading port O, A oil duct junctions and B oil duct junctions are separately connected the two of hydraulic cylinder
A interface, the action of reversing valve core 21 make the first oil duct 3 switch connection, A oil duct junctions or B oil ducts between A oil duct junctions and B oil duct junctions
When any one first oil duct of connection of mouth, another connection unloading port O.The present embodiment and first embodiment difference lies in,
Also set up on the switch valve 1 there are five switch valve state transformation interface 14,14 ', 15,15 ', 16 and two push rods 17,
17 ', two push rods 17,17 ' are distributed in multistage, the present embodiment compare first embodiment, it can be achieved that more multistation control.
The preferred embodiments of the utility model are these are only, as long as realizing the utility model aim with essentially identical means
Technical solution belong within the scope of protection of the utility model.
Claims (5)
1. multi-station hydraulic signal opens coaxial cavate fuel path switch conversion control device, including switch valve and reversal valve, described
Switch valve is connected to the valve chamber of reversal valve by the first oil duct,
It is provided with switch valve core in the valve chamber of the switch valve, is provided with hydraulic oil inlet and hydraulic oil outlet on switch valve, opens
Closing spool action makes hydraulic oil inlet switch connection between the first oil duct and hydraulic oil outlet,
Reversing valve core is provided in the valve chamber of the reversal valve, be provided on reversal valve A oil duct junctions, B oil duct junctions and one with
On unloading port, A oil duct junctions and B oil duct junctions be separately connected two interfaces of hydraulic cylinder, and reversing valve core action makes the first oil duct
It is another when any one first oil duct of connection of the switching connection between A oil duct junctions and B oil duct junctions, A oil duct junctions or B oil duct junctions
A connection unloading port,
It is characterized in that：
Multiple switch valve state transformation interface is additionally provided on the switch valve, the switch valve state transformation interface setting is being opened
Spool front and rear is closed, the hydraulic fluid forces switch valve core action entered from switch valve state transformation interface.
2. multi-station hydraulic signal according to claim 1 opens coaxial cavate fuel path switch conversion control device, special
Sign is：Push rod is provided in the valve chamber of the switch valve, the push rod is located at two adjacent switch valve state transformation interfaces
Between.
3. multi-station hydraulic signal according to claim 2 opens coaxial cavate fuel path switch conversion control device, special
Sign is：The push rod is wholely set with switch valve core.
4. multi-station hydraulic signal according to claim 1 opens coaxial cavate fuel path switch conversion control device, special
Sign is：Reversal valve state transformation interface is provided on the reversal valve, the flow of pressurized entered from reversal valve state transformation interface
Body pushes reversing valve core action.
5. multi-station hydraulic signal according to claim 1 opens coaxial cavate fuel path switch conversion control device, special
Sign is：The switch valve and reversal valve are wholely set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820256646.XU CN208010685U (en) | 2018-02-13 | 2018-02-13 | Multi-station hydraulic signal opens coaxial cavate fuel path switch conversion control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820256646.XU CN208010685U (en) | 2018-02-13 | 2018-02-13 | Multi-station hydraulic signal opens coaxial cavate fuel path switch conversion control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010685U true CN208010685U (en) | 2018-10-26 |
Family
ID=63886406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820256646.XU Active CN208010685U (en) | 2018-02-13 | 2018-02-13 | Multi-station hydraulic signal opens coaxial cavate fuel path switch conversion control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010685U (en) |
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2018
- 2018-02-13 CN CN201820256646.XU patent/CN208010685U/en active Active
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