CN206175353U - Hydraulic pressure closes oil flow way system - Google Patents
Hydraulic pressure closes oil flow way system Download PDFInfo
- Publication number
- CN206175353U CN206175353U CN201621227829.6U CN201621227829U CN206175353U CN 206175353 U CN206175353 U CN 206175353U CN 201621227829 U CN201621227829 U CN 201621227829U CN 206175353 U CN206175353 U CN 206175353U
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- converging
- output circuit
- output
- 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
Abstract
The utility model discloses a hydraulic pressure closes oil flow way system, including an output oil path of first oil pump and the 2nd output oil path of second oil pump, an output oil path and the 2nd output oil path are equipped with back the overflow branch road that allies oneself with the oil tank respectively, wherein: being equipped with between an output oil path and the 2nd output oil path and closing the oil flow way, close and be equipped with first confluence valve in the oil flow way, first confluence valve has connected gradually second confluence valve and third confluence valve, the stream input end of third confluence valve is parallelly connected have that shuttle valve, two parallel ins end connect first confluence valve both sides respectively close the oil flow way, the shuttle valve output is connected the third and is collaborated the valve. The utility model provides a hydraulic pressure closes oil flow way system solves the problem that the oil circuit is synchronous, collaborate effectively.
Description
Technical field
The utility model is related to a kind of hydraulic circuit, particularly a kind of hydraulic converging oil piping system.
Background technology
The speed of service of current injection machine is more and more faster, and the general oil circuit discharge capacity that increases is to improve the speed of service of injection machine most
Direct method.But increase oil circuit and limited to particularly servo by the discharge capacity of pump, the power of motor, the mode for controlling.It is now many
Many producers can all select to be gone to break through these limitations with many pumps.The interflow at the interflow of each pump, particularly large discharge pump is, it is necessary to use big
The valve of latus rectum, if desired doing the selection of pumping source then needs more big orifice valves.And also can be very heavy in layout.Therefore,
How to solve the above problems, as problem demanding prompt solution.
Utility model content
The utility model will solve technical problem and be to provide a kind of hydraulic converging oil piping system, efficiently solve oil circuit same
Step, the problem at interflow.
In order to solve the above technical problems, a kind of hydraulic converging oil piping system of the present utility model, including the first oil pump
Second output circuit of one output circuit and the second oil pump, the first output circuit and the second output circuit are respectively equipped with back connection fuel tank
Overflow branch road, wherein：Interflow oil circuit is provided between first output circuit and the second output circuit, first is provided with the oil circuit of interflow
Converging valve, the first converging valve is connected with the second converging valve and the 3rd converging valve in turn, and two inputs of the 3rd converging valve are parallel with
Shuttle valve, two inputs in parallel connect the interflow oil circuit of the first converging valve both sides respectively, and shuttle valve output end connects the 3rd converging valve.
A kind of above-mentioned hydraulic converging oil piping system, the first oil pump drives by the first motor, connect oil pump station fuel tank and defeated
Go out the first output circuit.
A kind of above-mentioned hydraulic converging oil piping system, the second oil pump drives by the second motor, connect oil pump station fuel tank and defeated
Go out the second output circuit.
A kind of above-mentioned hydraulic converging oil piping system, overflow branch road is provided with the overflow valve of switching control oil return.
A kind of above-mentioned hydraulic converging oil piping system, the first converging valve is the two-way plug-in valve with unidirectional valve action.
A kind of above-mentioned hydraulic converging oil piping system, the second converging valve and the 3rd converging valve are solenoid directional control valve.
A kind of above-mentioned hydraulic converging oil piping system, overflow valve is the safety valve of overflow branch road maximum pressure.
The utility model controls first to collaborate due to using above-mentioned technical proposal by the second converging valve and the 3rd converging valve
Valve, realizes the first output circuit, the interflow of the second output circuit；It is defeated by the second converging valve the first output circuit of control and second
The interflow mode of vent line, the folding of the first converging valve is controlled by the 3rd converging valve, realizes the purpose of interflow and synchronizing function.
The oil interflow of the second output circuit is to the mode of the first output circuit：The control oil of the first converging valve is oily from first
Pump is through the 3rd converging valve and the second converging valve to the first converging valve, the i.e. closing presure of the first converging valve and the pressure of the first oil pump
Equal, due to there is spring force in the first converging valve, therefore the oil of the first output circuit can not open the first converging valve interflow
Onto the second output circuit.As long as the oily pressure of the second output circuit is closed more than the oily pressure of the first output circuit and first
Flowing the spring force sum of valve just can open the first converging valve, on interflow to the first output circuit.Now the first converging valve plays list
To the effect of valve.
The oil interflow of the first output circuit is to the mode of the second output circuit：3rd converging valve obtain it is electric after, first interflow
Valve control oil from the second oil pump through the 3rd converging valve and the second converging valve to the first converging valve, i.e. the first converging valve closing pressure
Power is equal with the pressure of the second oil pump, and due to there is spring force in the first converging valve, therefore the oil of the second output circuit can not
The first converging valve interflow is opened to the first output circuit.As long as the oily pressure of the first output circuit is more than the second output circuit
Oily pressure and the spring force sum of the first converging valve just can open the first converging valve, on interflow to the second output circuit.This
When the first converging valve play a part of check valve.
First output circuit, the mode of the second output circuit synchronization are：Second converging valve obtain it is electric after, the control of the first converging valve
Liquefaction from the first oil pump and the second oil pump by shuttle valve filter out pressure it is high control the first converging valve to close through the second converging valve again
Close.So as to two strands of hydraulic oil in the first output circuit and the second output circuit be kept apart, it does not interfere with each other.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the embodiment in accompanying drawing, but is not constituted to this reality
With new any limitation.
Fig. 1 is the oil interflow of the output circuit of the utility model second to the schematic diagram of the first output circuit；
Fig. 2 is the oil interflow of the output circuit of the utility model first to the schematic diagram of the second output circuit；
Fig. 3 is the output circuit of the utility model first and the synchronous schematic diagram of the second output circuit.
Specific embodiment
As shown in figure 1, a kind of hydraulic converging oil piping system of the present utility model, including first output of the first oil pump A is oily
Second output circuit 2 of the oil pump B of road 1 and second, the first output circuit 1 and the second output circuit 2 are respectively equipped with back connection fuel tank
Overflow branch road 3, wherein：Interflow oil circuit 4 is provided between first output circuit 1 and the second output circuit 2, is provided with the oil circuit 4 of interflow
First converging valve 41, the first converging valve 41 is connected with the second converging valve 42 and the 3rd converging valve 43 in turn, the 3rd converging valve 43
Two inputs are parallel with the interflow oil circuit 4 that the input in parallel of shuttle valve 44, two connects the both sides of the first converging valve 41 respectively, and shuttle valve 44 is defeated
Go out the 3rd converging valve 43 of end connection.
First oil pump A is driven by the first motor a1, connects the first output circuit 1 of oil pump station fuel tank and output.
Second oil pump B is driven by the second motor b1, connects the second output circuit 2 of oil pump station fuel tank and output.
Overflow branch road 3 is provided with the overflow valve 31 of switching control oil return.
First converging valve 41 is the two-way plug-in valve with unidirectional valve action.
Second converging valve 42 and the 3rd converging valve 43 are solenoid directional control valve.
Overflow valve 31 is the safety valve of the maximum pressure of overflow branch road 3.
First oil pump A and the second oil pump B are respectively two independent hydraulic power sources.
First converging valve 41 is the converging valve of interflow oil circuit 4, while also play a part of check valve, from 5 latus rectums and with
On 1：1.6 two-way plug-in valve.
Second converging valve 42 controls the first output circuit 1, the interflow mode of the second output circuit 2, from the electromagnetism of 6 latus rectums
Reversal valve.
3rd converging valve 43 controls the folding of the first converging valve 41, i.e. the control valve of interflow and synchronizing function, from 6 latus rectums
Solenoid directional control valve.
Shuttle valve 44 ensures that the pressure of the 3rd converging valve 43 is equal to the maximum pressure of interflow oil circuit 4.
First output circuit 1 and the second output circuit 2 connect executive component A2, B2 respectively.
Utility model works principle：First converging valve 41 is controlled by the second converging valve 42 and the 3rd converging valve 43, from
And two bursts of interflow of hydraulic oil in the first output circuit 1 and the second output circuit 2 are realized, while the first output circuit can be implemented
Interflow mode of the 1 oil interflow to the oil interflow of the second output circuit 2 or the second output circuit 2 to the first output circuit 1 or the
The method of synchronization of one output circuit 1 and the second output circuit 2.
1), the oil of the second output circuit 2 collaborates to the first output circuit 1：Situation as shown in Figure 1 is the second output oil
The oil on road 2 collaborates onto the first output circuit 1, for executive component A2 provides power.The control of the first converging valve 41 is oily from first
Oil pump A is through the 3rd converging valve 43 and second the 42 to the first converging valve of converging valve 41, the i.e. closing presure of the first converging valve 41 and the
The pressure of one oil pump A is equal, and due to there is spring force in the first converging valve 41, therefore the oil of the first output circuit 1 can not be beaten
The first converging valve 41 is opened to collaborate on the second output circuit 2.As long as the oily pressure of the second output circuit 2 is more than the first output oil
The spring force sum of the oily pressure on road 1 and the first converging valve 41 just can open the first converging valve 41, interflow to the first output oil
On road 1.Now the first converging valve 41 plays a part of check valve.
2), the oil of the first output circuit 1 collaborates to the second output circuit 2：As shown in Fig. 2 the 3rd converging valve 43 it is electric after,
The oil of the first output circuit 1 collaborates onto the second output circuit 2, for executive component B2 provides power.The control of the first converging valve 41
Liquefaction is from the second oil pump B through the 3rd converging valve 43 and second the 42 to the first converging valve of converging valve 41, the i.e. pass of the first converging valve 41
Close pressure equal with the pressure of the second oil pump B, due to there is spring force in the first converging valve 41, therefore the second output circuit 2
Oil can not open the first converging valve 41 and collaborate on the first output circuit 1.As long as the oily pressure of the first output circuit 1 is more than
The spring force sum of the oily pressure of the second output circuit 2 and the first converging valve 41 just can open the first converging valve 41, and interflow is arrived
On second output circuit 2.Now the first converging valve 41 plays a part of check valve.
3) it is, synchronous：As shown in figure 3, the second converging valve 42 it is electric after, the first output circuit 1 and the second output circuit 2 are mutually not
Interference, realizes synchronizing function, and respectively executive component A2, B2 provides power.The control oil of the first converging valve 41 is oily from first
Pump A and the second oil pump B by shuttle valve 44 filter out pressure it is high again through the second converging valve 42 control the first converging valve 41 close.From
And keep apart two strands of hydraulic oil in the first output circuit 1 and the second output circuit 2, it does not interfere with each other.
In sum, the utility model is made actual sample and through test is used for multiple times such as specification and diagramatic content,
From in terms of the effect using test, provable the utility model can reach its desired purpose, and practical value is unquestionable.
Embodiment provided above is only used for convenient illustration the utility model, and any formal limit is not made to the utility model
System, any those of ordinary skill in the art, if being carried in the range of technical characteristic the utility model is not departed from,
Using the Equivalent embodiments for locally being changed done by the utility model disclosed technology content or modify, and without departing from this practicality
New technical characteristic content, still falls within the range of the utility model technical characteristic.
Claims (7)
1. first output circuit (1) of a kind of hydraulic converging oil piping system, including the first oil pump (A) and the of the second oil pump (B)
Two output circuits (2), the first output circuit (1) and the second output circuit (2) are respectively equipped with back the overflow branch road (3) of connection fuel tank,
It is characterized in that：Interflow oil circuit (4) is provided between first output circuit (1) and the second output circuit (2), in interflow oil circuit (4)
The first converging valve (41) is provided with, the first converging valve (41) is connected with the second converging valve (42) and the 3rd converging valve (43) in turn, the
Two inputs of three converging valves (43) are parallel with shuttle valve (44), two inputs in parallel and connect the first converging valve (41) both sides respectively
Interflow oil circuit (4), shuttle valve (44) output end connects the 3rd converging valve (43).
2. a kind of hydraulic converging oil piping system according to claim 1, it is characterised in that：First oil pump (A) is by the first electricity
Machine (a1) drives, connects oil pump station fuel tank and the first output circuit of output (1).
3. a kind of hydraulic converging oil piping system according to claim 1, it is characterised in that：Second oil pump (B) is by the second electricity
Machine (b1) drives, connects oil pump station fuel tank and the second output circuit of output (2).
4. a kind of hydraulic converging oil piping system according to claim 1, it is characterised in that：Overflow branch road (3) is provided with switching
Control the overflow valve (31) of oil return.
5. a kind of hydraulic converging oil piping system according to claim 1, it is characterised in that：First converging valve (41) be with
The two-way plug-in valve of unidirectional valve action.
6. a kind of hydraulic converging oil piping system according to claim 1, it is characterised in that：Second converging valve (42) and the 3rd
Converging valve (43) is solenoid directional control valve.
7. a kind of hydraulic converging oil piping system according to claim 1, it is characterised in that：Overflow valve (31) is overflow branch road
(3) safety valve of maximum pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227829.6U CN206175353U (en) | 2016-11-15 | 2016-11-15 | Hydraulic pressure closes oil flow way system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227829.6U CN206175353U (en) | 2016-11-15 | 2016-11-15 | Hydraulic pressure closes oil flow way system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175353U true CN206175353U (en) | 2017-05-17 |
Family
ID=58684031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621227829.6U Active CN206175353U (en) | 2016-11-15 | 2016-11-15 | Hydraulic pressure closes oil flow way system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197603A (en) * | 2020-03-05 | 2020-05-26 | 三一汽车起重机械有限公司 | Divide and shut flow control module, two main pump oil feeding system, hydraulic system and engineering machine tool |
| WO2020113952A1 (en) * | 2018-12-03 | 2020-06-11 | 三一汽车制造有限公司 | Pumping mechanical hydraulic system |
-
2016
- 2016-11-15 CN CN201621227829.6U patent/CN206175353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020113952A1 (en) * | 2018-12-03 | 2020-06-11 | 三一汽车制造有限公司 | Pumping mechanical hydraulic system |
| CN111197603A (en) * | 2020-03-05 | 2020-05-26 | 三一汽车起重机械有限公司 | Divide and shut flow control module, two main pump oil feeding system, hydraulic system and engineering machine tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103671335B (en) | Load-sensitive electric proportional multi-loop valve | |
| CN105351276B (en) | Turn round hydraulic control system, method and crane | |
| CN206175353U (en) | Hydraulic pressure closes oil flow way system | |
| CN203441851U (en) | Load-sensitive valve block | |
| CN104533886A (en) | Non-load starting device and method for variable hydraulic pump | |
| CN104196777A (en) | Programmable integrated control system capable of controlling inlet and outlet oil ways independently | |
| CN103062140A (en) | Hydraulic device on basis of confluence control mode | |
| CN102943500A (en) | Energy-saving control method of hydraulic negative flow of excavator | |
| CN102734241B (en) | Opened and closed hydraulic system and engineering machinery | |
| CN202833434U (en) | Hydraulic system and engineering machinery | |
| CN103573729A (en) | Mine hoist hydraulic station | |
| CN105015316A (en) | Hydraulic hybrid power transmission system with self-adaption switching function | |
| CN104214152A (en) | Two-way cartridge type vibration control valve | |
| CN203130636U (en) | Engineering machinery equipment and hydraulic control loop thereof | |
| CN203114773U (en) | Hydraulic feedback device and engineering machinery | |
| CN107631040B (en) | A kind of proportional flow shut-off valve | |
| CN203670337U (en) | Load-sensitive electric proportional multi-way valve | |
| CN204003677U (en) | Generating heating fluid pressure control device and paver | |
| CN205349896U (en) | A hydraulic motor control valve for on hydraulic system return circuit | |
| CN104309161A (en) | Multi-cylinder piecewise pressure regulation system for hydraulic press | |
| CN205398040U (en) | Rotary system and electric power operation car | |
| CN204003686U (en) | Mine hoist hydraulic station | |
| CN104019073B (en) | Stress control valve group, hydraulic system and engineering mechanical device | |
| CN105114400A (en) | Closed type hydraulic system with pre-heating function and control method of closed type hydraulic system | |
| CN206346969U (en) | A kind of hydraulic control system of the fast quick-closing valve of energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |