CN207261338U - Tandem piggybacking formula multipath hydraulic control device - Google Patents
Tandem piggybacking formula multipath hydraulic control device Download PDFInfo
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- CN207261338U CN207261338U CN201721028499.2U CN201721028499U CN207261338U CN 207261338 U CN207261338 U CN 207261338U CN 201721028499 U CN201721028499 U CN 201721028499U CN 207261338 U CN207261338 U CN 207261338U
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- feed flow
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Abstract
The utility model discloses tandem piggybacking formula multipath hydraulic control device, including sequentially connected first hydraulic control valve and the second hydraulic control valve, inlet, liquid outlet, delivery outlet are provided with first hydraulic control valve, the first hydraulic control valve control inlet switches connection between liquid outlet and delivery outlet；Inlet, liquid return hole and delivery outlet are provided with second hydraulic control valve, the second hydraulic control valve control inlet switches connection between liquid return hole and delivery outlet.Above-mentioned tandem piggybacking formula multipath hydraulic control device passes through tandem and piggybacking function, only a hydraulic pump is needed to be driven, each hydraulic control valve can be made individually to control hydraulic actuating mechanism to act, complicated action control, the design such as order action can be achieved to be made of mechanical structure completely, manufacture cost is low, it is easy to maintain, easy left-hand seat is operated, stability is good, service life length.
Description
Technical field
Hydraulic control field is the utility model is related to, is specifically tandem piggybacking formula multipath hydraulic control device.
Background technology
Existing hydraulic power system is generally by storage container, transfer tube, woven hose, the control valve being arranged on woven hose
Door and executing agency etc. are formed, such as the oil hydraulic system of most common of which, including fuel tank, oil pump, oil pipe, control valve and oil
Cylinder.Existing oil hydraulic system is all that an oil pump corresponds to one cylinder action of driving, and the effect of control valve is to carry out switch control
The flow of system and control oil.Existing oil hydraulic system action is simple, function is single, can not carry out the control operation of complexity, therefore,
The action of existing heavy mechanical equipment generally use numerical control module control device.But the manufacture of numerical control module is of high cost, safeguards
Difficult, use condition harshness, and in the case where mechanical equipment often acts the adverse circumstances for producing vibrations, easily occur damaging or miss
Difference, influences to produce.
In these cases, applicant is intended to develop a kind of multipath hydraulic control dress for contributing to control machinery device action
Put, to substitute numerical control module to be controlled the mechanical equipment to surge, reduce cost.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of tandem piggybacking formula multipath hydraulic control
Device, is provided with multiple hydraulic control valves, by tandem and piggybacking function, only needs a hydraulic pump to be driven, can make each
Hydraulic control valve individually controls hydraulic actuating mechanism to act, and can realize the complicated action controls such as order action.
Technical solution is used by the utility model：
Tandem piggybacking formula multipath hydraulic control device, including sequentially connected first hydraulic control valve and the second hydraulic control
Valve, first hydraulic control valve are provided with one or more；
Inlet, liquid outlet, delivery outlet, inlet connection hydraulic pump or upper one are provided with first hydraulic control valve
The liquid outlet of level control valve, delivery outlet connection hydraulic actuating mechanism, the first hydraulic control valve control inlet in liquid outlet and defeated
Switch connection between outlet；
Inlet, liquid return hole and delivery outlet, inlet connection upper level control are provided with second hydraulic control valve
The liquid outlet of valve, liquid return hole are directly connected to fuel tank, delivery outlet connection hydraulic actuating mechanism, the second hydraulic control valve control inlet
Switch connection between liquid return hole and delivery outlet.
Further as above-mentioned technical proposal is improved, be provided with first hydraulic control valve feed flow piggybacking valve pool and
Commutate valve pool, and feed flow valve pool and commutation valve pool are provided with second hydraulic control valve.
Further as above-mentioned technical proposal is improved, and inlet and liquid outlet are set on the feed flow piggybacking valve pool, is changed
Delivery outlet is set on to valve pool, communicating passage, the feed flow piggybacking valve pool are provided between feed flow piggybacking valve pool and commutation valve pool
Inside be movably set with feed flow spool, be provided with guide groove on feed flow spool, the action of feed flow spool make inlet liquid outlet with connect
Switch connection between passage.
Further as above-mentioned technical proposal is improved, and inlet and liquid return hole, reversal valve are set on the feed flow valve pool
Delivery outlet is set on groove, communicating passage is provided between feed flow valve pool and commutation valve pool, is movably set with the feed flow valve pool
Feed flow spool, guide groove is provided with feed flow spool, and the action of feed flow spool makes inlet switch between liquid return hole and communicating passage
Connection.
Further as above-mentioned technical proposal is improved, and is provided with delivery outlet A and delivery outlet B on the commutation valve pool, is changed
Reversing valve core is movably set with into valve pool, guide groove is provided with reversing valve core, reversing valve core action is exporting communicating passage
Switch connection between mouth A and delivery outlet B.
Further as above-mentioned technical proposal is improved, and liquid return hole is provided with the commutation valve pool, when delivery outlet A and company
When circulation passage connects, delivery outlet B connection liquid return holes, when delivery outlet B is connected with communicating passage, delivery outlet A connection liquid return holes.
Further as above-mentioned technical proposal is improved, and is divided on the feed flow piggybacking valve pool, feed flow valve pool and commutation valve pool
The leakage fluid dram for discharging surplus liquid in valve pool is not provided with.
Further as above-mentioned technical proposal is improved, and first hydraulic control valve includes valve body, the feed flow piggybacking
Valve pool and commutation valve pool be arranged on valve body, correspond on valve body feed flow piggybacking valve pool and commutate valve pool be respectively arranged with it is removable
Valve deck.
Further as above-mentioned technical proposal is improved, and second hydraulic control valve includes valve body, the feed flow valve pool
It is arranged on commutation valve pool on valve body, feed flow valve pool is corresponded on valve body and commutation valve pool is respectively arranged with removable valve deck.
The beneficial effects of the utility model are：
The tandem piggybacking formula multipath hydraulic control device of the utility model includes multiple sequentially connected hydraulic control valves,
By tandem and piggybacking function, only need a hydraulic pump to be driven, each hydraulic control valve can be made individually to control hydraulic pressure to perform
Mechanism action, and can realize the complicated action controls such as order action, hydraulic mechanical equipment can be controlled instead of numerical control module
System.The design is made of mechanical structure completely, and manufacture cost is low, easy to maintain, operates easy left-hand seat, and stability is good, energy
Adapt to the use of various adverse circumstances, service life length.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of embodiment of the tandem piggybacking formula multipath hydraulic control device of the utility model.
Fig. 2 is the structure diagram of the first hydraulic control valve.
Fig. 3 is the structure diagram of the second hydraulic control valve.
Fig. 4 is the oil circuit schematic diagram under tandem piggybacking formula multipath hydraulic control device holding state.
Fig. 5 to Figure 10 is the oil circuit schematic diagram under each working status of above-described embodiment.
Embodiment
The tandem piggybacking formula multipath hydraulic control device of the utility model is made with preferred embodiment below in conjunction with the accompanying drawings into
One step is described in detail.
A kind of preferred embodiment of tandem piggybacking formula multipath hydraulic control device, the present embodiment are provided with reference to Fig. 1, Fig. 1
Using hydraulic oil as driving, including two the first hydraulic control valves 2 and second hydraulic control valve 3, first hydraulic pressure
2 and second hydraulic control valve 3 of control valve is sequentially connected, and leftmost first hydraulic control valve 2 connects oil pump 1, the first hydraulic pressure control
2 and second hydraulic control valve 3 of valve processed is connected to oil cylinder 4.
A kind of preferred structure of the first hydraulic control valve 2 is shown with reference to Fig. 2, Fig. 2.On first hydraulic control valve 2
It is provided with inlet P, liquid outlet Q, delivery outlet and liquid return hole O.The liquid outlet of inlet P connections oil pump 1 or upper level control valve
Q.Delivery outlet is provided with two, including delivery outlet A and delivery outlet B, connects the both ends of oil cylinder 4 respectively, can be driven from delivery outlet A outputs
The piston extension of dynamic oil cylinder 4, from delivery outlet B outputs can the piston of drive cylinder 4 retract.Liquid return hole O is directly connected to fuel tank.First
Feed flow piggybacking valve pool 23 and commutation valve pool 25 are set gradually in hydraulic control valve 2.Activity is set in the feed flow piggybacking valve pool 23
There is feed flow spool 22, the inlet P and liquid outlet Q are arranged on feed flow piggybacking valve pool 23, feed flow piggybacking valve pool 23 and commutation
Communicating passage 24 is provided between valve pool 25, guide groove is provided with feed flow spool 22, the action of feed flow spool 22 is going out inlet P
Switch connection between liquid mouth Q and communicating passage 24.Reversing valve core 21 is movably set with the commutation valve pool 25, it is delivery outlet A, defeated
Outlet B and liquid return hole O is arranged on commutation valve pool 25, and liquid return hole O is provided with two, corresponds to delivery outlet A and delivery outlet respectively
B, guide groove is provided with reversing valve core 21, and the action of reversing valve core 21 makes communicating passage 24 switch between delivery outlet A and delivery outlet B
Connection, when communicating passage 24 connects delivery outlet A, delivery outlet B is connected with liquid return hole O, forms feed flow circuit, likewise, when company
When circulation passage 24 connects delivery outlet B, delivery outlet A is connected with liquid return hole O.
In addition, leakage fluid dram R is also respectively provided with feed flow piggybacking valve pool 23 and commutation valve pool 25, it is more in valve pool for discharging
Extraction raffinate body.
The preferred structure of the second hydraulic control valve 3 is shown with reference to Fig. 3, Fig. 3.In order to convenient for production, the second hydraulic control
3 and first hydraulic control valve 2 of valve has many common structures.As shown in figure 3, be provided with the second hydraulic control valve 3 inlet P,
Liquid return hole O and delivery outlet, feed flow valve pool 33 and commutation valve pool 35 are disposed with the second hydraulic control valve 3.The supplying valve
Feed flow spool 32 is movably set with groove 33, the inlet P and liquid return hole O are arranged on feed flow valve pool 33, feed flow valve pool 33
Communicating passage 34 is provided between commutation valve pool 35, the action of feed flow spool 32 makes inlet P in liquid return hole O and communicating passage 34
Between switch connection.And the structure for the valve pool 35 that commutates is identical with the structure of the first hydraulic control valve 2, it is also provided with the valve pool 35 that commutates
There are reversing valve core 31, and delivery outlet A, delivery outlet B and two liquid return hole O.Further, the feed flow valve pool 33 and commutation valve pool
Leakage fluid dram R is also equipped with 35.By said structure, the difference of the second hydraulic control valve 3 and the first hydraulic control valve 2 exists
In the second hydraulic control valve 3 is not provided with the liquid outlet Q of connection subordinate control valve, while feed flow valve pool 33 is also without the work(of piggybacking
Can, as shown in figure 4, when the action of feed flow valve pool 33 makes inlet P be connected with liquid return hole O, hydraulic oil is directly returned by liquid return hole O
Fuel tank is flowed to, the second hydraulic control valve 3 is closed, and oil cylinder is failure to actuate.In addition, other knots of the second hydraulic control valve 3
Structure is identical with the first hydraulic control valve 2.
With reference to Fig. 4 to Figure 10, Fig. 4 is the oil circuit schematic diagram that the present embodiment is under holding state, and Fig. 5 to Figure 10 is this reality
Apply oil circuit schematic diagram of the example under each working status.As shown in figure 4, when the first hydraulic control valve 2 is in piggybacking state, supply
Liquid spool stretches out, and inlet P connection liquid outlet Q, hydraulic oil piggybacking after feed flow piggybacking valve pool 23 is output to next stage control
Valve, and the second hydraulic control valve 3 is closed, inlet P is connected with liquid return hole O, and hydraulic oil is directly returned by liquid return hole O
Fuel tank is flowed to, tandem piggybacking formula multipath hydraulic control device is in holding state.As shown in figure 5, when two the first hydraulic controls
When valve 2 is in piggybacking state, and when the second hydraulic control valve 3 is in opening, hydraulic oil passes through two the first hydraulic controls
Piggybacking is output to the second hydraulic control valve 3 after the feed flow piggybacking valve pool of valve 2, while the feed flow spool of the second hydraulic control valve 3 returns
Move back, inlet P is connected with communicating passage, and hydraulic oil exports after the second hydraulic control valve 3 from delivery outlet A1, drive cylinder 4
Piston stretch out.As shown in fig. 6, after the oil cylinder 4 of the second hydraulic control valve 3 reaches stroke, the second hydraulic control valve 3 can be triggered
Reversing valve core action, commutation valve pool exported by delivery outlet B1, and the piston of drive cylinder 4 retracts.Fig. 7 and Fig. 8 is in
Between the first hydraulic control valve 2 it is in running order when, close the fuel feeding to subordinate's control valve, meanwhile, the first middle hydraulic pressure
Control valve 2 drives the piston action of the oil cylinder 4 of its connection, and when Fig. 7 show A2 outputs, drive cylinder piston stretches out, Fig. 8 institutes
When being shown as B2 outputs, drive cylinder piston is retracted.Fig. 9 and Figure 10 is in work shape for the first hydraulic control valve 2 in the left side
State during state, closes the fuel feeding to subordinate's control valve, meanwhile, the oil cylinder 4 of its connection of the first hydraulic control valve 2 driving on the left side
Piston action, Fig. 9 show A3 output when, drive cylinder piston stretch out, Figure 10 show B3 output when, drive cylinder live
Plug is retracted.
The tandem piggybacking formula multipath hydraulic control device of the utility model includes multiple sequentially connected hydraulic control valves,
By tandem and piggybacking function, only need a hydraulic pump to be driven, each hydraulic control valve can be made individually to control hydraulic pressure to perform
Mechanism action, and can realize the complicated action controls such as order action, hydraulic mechanical equipment can be controlled instead of numerical control module
System.The design is made of mechanical structure completely, and manufacture cost is low, easy to maintain, operates easy left-hand seat, and stability is good, energy
Adapt to the use of various adverse circumstances, service life length.
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 (9)
1. tandem piggybacking formula multipath hydraulic control device, it is characterised in that：Including sequentially connected first hydraulic control valve and
Two hydraulic control valves, first hydraulic control valve are provided with one or more；
Inlet, liquid outlet, delivery outlet, inlet connection hydraulic pump or upper level control are provided with first hydraulic control valve
The liquid outlet of valve processed, delivery outlet connection hydraulic actuating mechanism, the first hydraulic control valve control inlet in liquid outlet and delivery outlet
Between switch connection；
Inlet, liquid return hole and delivery outlet are provided with second hydraulic control valve, inlet connection upper level control valve
Liquid outlet, liquid return hole are directly connected to fuel tank, delivery outlet connection hydraulic actuating mechanism, and the second hydraulic control valve controls inlet returning
Switch connection between liquid mouth and delivery outlet.
2. tandem piggybacking formula multipath hydraulic control device according to claim 1, it is characterised in that：The first hydraulic pressure control
Feed flow piggybacking valve pool and commutation valve pool are provided with valve processed, feed flow valve pool and reversal valve are provided with second hydraulic control valve
Groove.
3. tandem piggybacking formula multipath hydraulic control device according to claim 2, it is characterised in that：The feed flow piggybacking valve
Inlet and liquid outlet are set on groove, delivery outlet is set on the valve pool that commutates, is provided between feed flow piggybacking valve pool and commutation valve pool
Communicating passage, is movably set with feed flow spool in the feed flow piggybacking valve pool, guide groove is provided with feed flow spool, feed flow spool moves
Work makes inlet switch connection between liquid outlet and communicating passage.
4. tandem piggybacking formula multipath hydraulic control device according to claim 2, it is characterised in that：On the feed flow valve pool
Inlet and liquid return hole are set, delivery outlet is set on the valve pool that commutates, communicating passage is provided between feed flow valve pool and commutation valve pool,
Feed flow spool is movably set with the feed flow valve pool, guide groove is provided with feed flow spool, the action of feed flow spool makes inlet exist
Switch connection between liquid return hole and communicating passage.
5. the tandem piggybacking formula multipath hydraulic control device according to claim 3 or 4, it is characterised in that：The reversal valve
Delivery outlet A and delivery outlet B are provided with groove, reversing valve core is movably set with the valve pool that commutates, guide groove is provided with reversing valve core,
Reversing valve core action makes communicating passage switch connection between delivery outlet A and delivery outlet B.
6. tandem piggybacking formula multipath hydraulic control device according to claim 5, it is characterised in that：On the commutation valve pool
Liquid return hole is provided with, when delivery outlet A is connected with communicating passage, delivery outlet B connection liquid return holes, when delivery outlet B and communicating passage
During connection, delivery outlet A connection liquid return holes.
7. tandem piggybacking formula multipath hydraulic control device according to claim 2, it is characterised in that：The feed flow piggybacking valve
The leakage fluid dram of surplus liquid in discharge valve pool is separately provided on groove, feed flow valve pool and commutation valve pool.
8. tandem piggybacking formula multipath hydraulic control device according to claim 2, it is characterised in that：The first hydraulic pressure control
Valve processed includes valve body, and the feed flow piggybacking valve pool and commutation valve pool are arranged on valve body, correspond on valve body feed flow piggybacking valve pool with
Commutation valve pool is respectively arranged with removable valve deck.
9. tandem piggybacking formula multipath hydraulic control device according to claim 2, it is characterised in that：The second hydraulic pressure control
Valve processed includes valve body, and the feed flow valve pool and commutation valve pool are arranged on valve body, and feed flow valve pool and commutation valve pool are corresponded on valve body
It is respectively arranged with removable valve deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028499.2U CN207261338U (en) | 2017-08-16 | 2017-08-16 | Tandem piggybacking formula multipath hydraulic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028499.2U CN207261338U (en) | 2017-08-16 | 2017-08-16 | Tandem piggybacking formula multipath hydraulic control device |
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| Publication Number | Publication Date |
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| CN207261338U true CN207261338U (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721028499.2U Active CN207261338U (en) | 2017-08-16 | 2017-08-16 | Tandem piggybacking formula multipath hydraulic control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387473A (en) * | 2017-08-16 | 2017-11-24 | 冯广建 | Tandem piggybacking formula multipath hydraulic control device |
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2017
- 2017-08-16 CN CN201721028499.2U patent/CN207261338U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387473A (en) * | 2017-08-16 | 2017-11-24 | 冯广建 | Tandem piggybacking formula multipath hydraulic control device |
| CN107387473B (en) * | 2017-08-16 | 2023-10-10 | 冯广建 | Tandem channel-borrowing type multipath hydraulic control device |
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