CN208010687U - Multi-station hydraulic signal controls formula oil circuit conversion link - Google Patents
Multi-station hydraulic signal controls formula oil circuit conversion link Download PDFInfo
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- CN208010687U CN208010687U CN201820256657.8U CN201820256657U CN208010687U CN 208010687 U CN208010687 U CN 208010687U CN 201820256657 U CN201820256657 U CN 201820256657U CN 208010687 U CN208010687 U CN 208010687U
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Abstract
The utility model discloses a kind of multi-station hydraulic signals to control formula oil circuit conversion link, including several hydraulic cylinders, Remote Hydraulic signaling switch is provided on the piston rod stroke of hydraulic cylinder, fuel path switch conversion control device control cylinder acts there are one being respectively set on each hydraulic cylinder, the fuel path switch conversion control device includes piggybacking switch valve and reversal valve, multiple switch valve state transformation interface, the delivery outlet connecting valve valve state transformation interface of Remote Hydraulic signaling switch are provided on piggybacking switch valve.The oil circuit conversion link of the utility model is based on fuel path switch conversion control device, by the way that the multiple switch valve state transformation interface being connect with Remote Hydraulic signaling switch delivery outlet is arranged on fuel path switch conversion control device, the case where different station and the action of multistation driving switch spool can be appeared in, to make to realize more complicated sequence of movement between multiple hydraulic cylinders.
Description
Technical field
The utility model is related to hydraulic control system field, especially a kind of multi-station hydraulic signal control formula oil circuit conversion
Linkage.
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 multi-station hydraulic signal control formula oil circuit conversion connection
Dynamic device, can make to realize more complicated sequence of movement between multiple hydraulic cylinders, promote its using effect, while increasing it and answering
Use range.
Technical solution used by the utility model is：
Multi-station hydraulic signal controls formula oil circuit conversion link, which is characterized in that including several hydraulic cylinders, hydraulic pressure
It is provided with Remote Hydraulic signaling switch on the piston rod stroke of oil cylinder, is respectively set on each hydraulic cylinder there are one fuel path switch
Conversion control device control cylinder acts,
The fuel path switch conversion control device includes piggybacking switch valve and reversal valve, the piggybacking switch valve and reversal valve
Valve chamber be connected to by the first oil duct,
It is provided with switch valve core in the valve chamber of the piggybacking switch valve, hydraulic oil inlet and liquid are provided on piggybacking switch valve
Pressure oil exports, the hydraulic oil outlet of the hydraulic oil inlet connection oil pump or upper level fuel path switch conversion control device, described
Hydraulic oil outlet connects the hydraulic oil inlet of fuel tank or next stage fuel path switch conversion control device, and switch valve core action makes hydraulic pressure
Oil inlet switches 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 are additionally provided on the piggybacking switch valve
It is arranged in switch valve core front and rear, the delivery outlet connecting valve valve state transformation interface of the Remote Hydraulic signaling switch.
The oil circuit conversion link of the utility model passes through fuel path switch based on fuel path switch conversion control device
The multiple switch valve state transformation interface being connect with Remote Hydraulic signaling switch delivery outlet on conversion control device, according to long-range liquid
The installation site for pressing signaling switch can appear in the case where different station and multistation driving switch spool act, to
Make to realize more complicated sequence of movement between multiple hydraulic cylinders.
As a further improvement of the above technical scheme, it is provided with push rod in the valve chamber of the piggybacking switch valve, it is described to push away
Bar is between two adjacent switch valve state transformation interfaces.The hydraulic fluid entered from switch valve state transformation interface can be with
Push rod is first pushed, then is acted by push rod pull switch spool.Multistation control can be easily realized using push rod, and push rod can be with
Switch valve core 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 piggybacking switch valve and reversal valve are wholely set.
As a further improvement of the above technical scheme, the fuel path switch conversion control device includes single-way linkage arm,
It is provided with shaft in the middle part of the single-way linkage arm, single-way linkage arm both ends correspond to the stretching of switch valve core and reversing valve core respectively
End.
As a further improvement of the above technical scheme, there are two long-range for setting on the piston rod stroke of each hydraulic cylinder
Hydraulic pressure signal switchs, and the Remote Hydraulic signaling switch is separately positioned on the both ends of piston rod stroke.
The utility model has the beneficial effects that：
The prior art is compared, multi-station hydraulic signal provided by the utility model controls formula oil circuit conversion link structure
It is simpler, and can make to realize more complicated sequence of movement between multiple hydraulic cylinders, its using effect is promoted, while increasing it
The scope of application.
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 a kind of internal oil passages schematic diagram of fuel path switch conversion control device.
Fig. 2 is the dimensional structure diagram of the fuel path switch conversion control device of Fig. 1.
Fig. 3 is a kind of the utility model preferably connection diagram of oil circuit conversion link.
Fig. 4 to Figure 11 is each working state schematic representation of oil circuit conversion link in Fig. 3.
Figure 12 is the oil circuit schematic diagram of the oil circuit conversion link applied to five elbow stirrup benders.
Figure 13 is the structural schematic diagram of the stirrup bender of Figure 12.
Figure 14 is the internal oil passages schematic diagram of another fuel path switch conversion control device.
Specific implementation mode
The embodiment that the utility model provides multi-station hydraulic signal control formula oil circuit conversion link illustrates.
Referring to Fig.1, Fig. 2, the oil circuit conversion link of the utility model based on fuel path switch conversion control device,
Fig. 1 and Fig. 2 provides a kind of preferred embodiment of fuel path switch conversion control device, including piggybacking switch valve 1 and reversal valve 2,
Piggybacking switch valve 1 is connected to the valve chamber of reversal valve 2 by the first oil duct 3, it is preferred that the piggybacking switch valve 1 and reversal valve 2 one
Body is arranged.It is provided with switch valve core 11 in the valve chamber of the piggybacking switch valve 1, hydraulic oil inlet is provided on piggybacking switch valve 1
12 and hydraulic oil outlet 13, the action of switch valve core 11 makes hydraulic oil inlet 12 be cut between the first oil duct 3 and hydraulic oil outlet 13
Change connection.Reversing valve core 21 is provided in the valve chamber of the reversal valve 2, be provided on reversal valve 2 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 two interfaces of hydraulic cylinder, and the action of reversing valve core 21 makes
First oil duct 3 switches connection, any one first oil of connection of A oil duct junctions or B oil duct junctions between A oil duct junctions and B oil duct junctions
When road, another connection unloading port O.
In the present embodiment, it is also set up on the piggybacking switch valve 1 there are three switch valve state transformation interface 14,15,16,
The wherein setting of first switch valve state transformation interface 14 is in 11 front of switch valve core, second switch valve state transformation interface 15 and the
Three switch valve state transformation interfaces 16 are arranged at 11 rear portion of switch valve core.Further, 15 He of second switch valve state transformation interface
It is provided with push rod 17 in valve chamber between third switch valve state transformation interface 16, is stayed between the push rod 17 and switch valve core 11
There is the gap of connection second switch valve state transformation interface 15.In the present embodiment, the push rod 17 and switch valve core 11 separate
Setting, 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 hydraulic fluids entered can be retracted with pull switch spool 11, the flow of pressurized entered from second switch valve state transformation interface 15
Body can be stretched out with pull switch spool 11, and the hydraulic fluid entered from third switch valve state transformation interface 16 first pushes away
Bar, then acted and stretched out by push rod pull switch spool.It, can be with by multiple switch valve state transformation interface 14,15,16 above
The action for realizing 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 piggybacking switch valve 1 and reversal valve 2 by single-way linkage arm 4, reduce the company of oil pipe
It connects, simplifies apparatus structure.
A kind of multi-station hydraulic signal control formula oil of the simple version using two hydraulic cylinders is provided with reference to Fig. 3, Fig. 3
Road conversion link, the course of work for illustrating the utility model.The oil circuit conversion link includes the first hydraulic pressure
Oil cylinder 101 and the second hydraulic cylinder 105, wherein there are two Remote Hydraulics for setting on the piston rod stroke of the first hydraulic cylinder 101
Signaling switch 102,103, be also provided on the piston rod stroke of the second hydraulic cylinder 105 there are two Remote Hydraulic signaling switch 106,
107, the second hydraulic cylinder 105 connects the fuel path switch conversion control device 108 of the present embodiment, the connection of the first hydraulic cylinder 101
Simplify the switch conversion control device 104 of version, oil circuit connection is with reference to Fig. 3.The wherein hydraulic pressure of fuel path switch conversion control device 108
Oil inlet connects the hydraulic oil outlet of oil pump or upper level fuel path switch conversion control device, fuel path switch conversion control device
The hydraulic oil inlet or fuel tank of 108 hydraulic oil outlet connection next stage fuel path switch conversion control device, by switch valve core control
The oil circuit of liquefaction way switch conversion control device 108 moves towards, by reversal valve to 105 fuel feeding of the second hydraulic cylinder of connection, or
Person's piggybacking hydraulic oil outlet carries out fuel feeding to switch conversion control device 104；The three of the fuel path switch conversion control device 108
A switch valve state transformation interface is separately connected three Remote Hydraulic signaling switches, can change switch in the case of different station
The state of spool.
It is the schematic diagram of each working condition of oil circuit conversion link shown in Fig. 4 to Figure 11 with reference to Fig. 4 to Figure 11.Such as
Shown in Fig. 4, after oil circuit conversion link starts, oil pump is by fuel path switch conversion control device 108 first to the second hydraulic oil
105 fuel feeding of cylinder makes the piston rod of the second hydraulic cylinder 105 stretch out.As shown in figure 5, the piston triggering of the second hydraulic cylinder 105 is remote
Journey hydraulic pressure signal switch 106, hydraulic oil is reached by Remote Hydraulic signaling switch 106 is located at fuel path switch conversion control device
The switch valve state transformation interface at 108 rear portions changes the state of switch valve core, and is commutated by 4 synchronous change of single-way linkage arm
The state of spool further changes the switch of switch conversion control device 104 by the hydraulic oil of Remote Hydraulic signaling switch 106
Spool state.As shown in fig. 6, oil pump piggybacking fuel path switch conversion control device 108 is to 104 fuel feeding of switch conversion control device,
Drive the action of the first hydraulic cylinder 101 that piston rod is made to stretch out.Fig. 7 and Fig. 8 show the first hydraulic cylinder 101 triggering Remote Hydraulic
Signaling switch 102 makes the reversal valve of switch conversion control device 104 change state, 101 commutation action of the first hydraulic cylinder.Fig. 9
After showing the first hydraulic cylinder 101 triggering Remote Hydraulic signaling switch 103, switch conversion control device 104 and oil circuit are opened
The switch valve for closing conversion control device 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 after the second hydraulic cylinder 105 resets, and changes fuel path switch conversion control again
The switch valve state of device 108 processed, hydraulic oil can piggybacking fuel path switch conversion control device 108 and switch conversion controls successively
Device 104 carries out emptying, or carries 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, the multi-station hydraulic signal of the utility model controls formula oil circuit
Conversion link controls oil circuit by fuel path switch conversion control device, 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 be controlled first
Then next stage cylinder action just resets the piston rod of the second hydraulic cylinder 105.Multichannel liquid in compared with prior art
Pressure control valve, the utility model use fuel path switch conversion control device structure it is simpler, realization it is with better function, have
Wider application range.And the setting of wherein single-way linkage arm can reduce the connection of oil pipe as far as possible, be further simplified whole
The structure of machine.
Above-mentioned Fig. 3 to Figure 11 only shows one of the utility model embodiment, and the utility model can also be applicable in
On the mechanical equipment using hydraulic control system progress complex control, anglebender as shown in Figure 12 and Figure 13, big
Part workplace may replace the lower electric-controlled mechanical equipment of expensive and stability.As shown in figure 12, multiple oil circuits are utilized
Switch conversion control device, it can be achieved that the complicated sequence of five elbows action, it is curved to make anglebender be automatically performed reinforcing bar
The everything of hoop.
Referring to Fig.1 4, the utility model additionally provides another fuel path switch conversion control device, including integrated borrows
Road switch valve 1 and reversal valve 2, piggybacking switch valve 1 and the valve chamber of reversal valve 2 are connected to by the first oil duct 3.The piggybacking switch valve
It is provided with switch valve core 11 in 1 valve chamber, hydraulic oil inlet 12 and hydraulic oil outlet 13 are provided on piggybacking switch valve 1, switchs
The action of spool 11 makes hydraulic oil inlet 12 switch connection between the first oil duct 3 and hydraulic oil outlet 13.The valve of the reversal valve 2
Intracavitary is provided with reversing valve core 21, and A oil duct junctions, B oil duct junctions and more than one unloading port O, A oil are provided on reversal valve 2
Road 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 in A oil duct junctions and B
When any one first oil duct of connection of switching connection between oil duct junction, A oil duct junctions or B oil duct junctions, another connection unloading port
O.Difference lies in also set up that there are five switch valve state transformations on the piggybacking switch valve 1 for the present embodiment and first embodiment
Interface 14,14 ', 15,15 ', 16 and two push rods 17,17 ', two push rods 17,17 ' are distributed in multistage, oil shown in Figure 14
Way switch conversion control device compare fuel path switch conversion control device shown in FIG. 1, it can be achieved that more multistation control, to
Oil circuit conversion link is coordinated to realize more powerful function.
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 (7)
1. multi-station hydraulic signal controls formula oil circuit conversion link, which is characterized in that including several hydraulic cylinders, hydraulic oil
Remote Hydraulic signaling switch is provided on the piston rod stroke of cylinder, be respectively set on each hydraulic cylinder there are one fuel path switch turn
The action of control device control cylinder is changed,
The fuel path switch conversion control device includes piggybacking switch valve and reversal valve, the valve of the piggybacking switch valve and reversal valve
Chamber is connected to by the first oil duct,
It is provided with switch valve core in the valve chamber of the piggybacking switch valve, hydraulic oil inlet and hydraulic oil are provided on piggybacking switch valve
The hydraulic oil outlet of outlet, the hydraulic oil inlet connection oil pump or upper level fuel path switch conversion control device, the hydraulic pressure
Oil export connects the hydraulic oil inlet of fuel tank or next stage fuel path switch conversion control device, switch valve core action make hydraulic oil into
Mouth switches 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,
Multiple switch valve state transformation interface, the switch valve state transformation interface setting are additionally provided on the piggybacking switch valve
In switch valve core front and rear, the delivery outlet connecting valve valve state transformation interface of the Remote Hydraulic signaling switch.
2. multi-station hydraulic signal according to claim 1 controls formula oil circuit conversion link, it is characterised in that：It is described
Push rod is provided in the valve chamber of piggybacking switch valve, the push rod is between two adjacent switch valve state transformation interfaces.
3. multi-station hydraulic signal according to claim 2 controls formula oil circuit conversion link, it is characterised in that：It is described
Push rod is wholely set with switch valve core.
4. multi-station hydraulic signal according to claim 1 controls formula oil circuit conversion link, it is characterised in that：It is described
Reversal valve state transformation interface is provided on reversal valve, the hydraulic fluid forces reversal valve entered from reversal valve state transformation interface
Core acts.
5. multi-station hydraulic signal according to claim 1 controls formula oil circuit conversion link, it is characterised in that：It is described
Piggybacking switch valve and reversal valve are wholely set.
6. multi-station hydraulic signal according to claim 1 controls formula oil circuit conversion link, it is characterised in that：It is described
Fuel path switch conversion control device includes single-way linkage arm, and shaft, single-way linkage arm two are provided in the middle part of the single-way linkage arm
End corresponds to the external part of switch valve core and reversing valve core respectively.
7. multi-station hydraulic signal according to claim 1 controls formula oil circuit conversion link, it is characterised in that：Each
There are two Remote Hydraulic signaling switches, the Remote Hydraulic signaling switch to set respectively for setting on the piston rod stroke of hydraulic cylinder
It sets at the both ends of piston rod stroke.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820256657.8U CN208010687U (en) | 2018-02-13 | 2018-02-13 | Multi-station hydraulic signal controls formula oil circuit conversion link |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820256657.8U CN208010687U (en) | 2018-02-13 | 2018-02-13 | Multi-station hydraulic signal controls formula oil circuit conversion link |
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| CN208010687U true CN208010687U (en) | 2018-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194446A (en) * | 2018-02-13 | 2018-06-22 | 冯广建 | Multi-station hydraulic signal controls formula oil circuit conversion link |
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2018
- 2018-02-13 CN CN201820256657.8U patent/CN208010687U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194446A (en) * | 2018-02-13 | 2018-06-22 | 冯广建 | Multi-station hydraulic signal controls formula oil circuit conversion link |
| CN108194446B (en) * | 2018-02-13 | 2024-03-19 | 冯广建 | Multi-station hydraulic signal control type oil way conversion linkage device |
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