CN208651312U - Hydraulic system - Google Patents
Hydraulic system Download PDFInfo
- Publication number
- CN208651312U CN208651312U CN201821433870.8U CN201821433870U CN208651312U CN 208651312 U CN208651312 U CN 208651312U CN 201821433870 U CN201821433870 U CN 201821433870U CN 208651312 U CN208651312 U CN 208651312U
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- oil
- oil inlet
- directional control
- solenoid directional
- control valve
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Abstract
This application discloses a kind of hydraulic systems, including fuel tank, oil inlet pipe, oil return pipe, solenoid directional control valve, pump and oil cylinder, connected pipes are connected on oil inlet pipe between the solenoid directional control valve and pump, the connected pipes are connect far from one end of oil inlet pipe with fuel tank, the connected pipes are equipped with two-part overflow valve, the working oil path of the oil inlet of the solenoid directional control valve and oil cylinder connection is equipped with counterbalance valve, is additionally provided with the high-pressure ball valve in parallel with the counterbalance valve in the working oil path that the solenoid directional control valve is connected with the oil inlet of oil cylinder.The hydraulic system carries out long-range pressure regulation to hydraulic system by adding two-part overflow valve to control hydraulic system, keeps beside system always without manpower, saves artificial reduction cost.
Description
Technical field
This application involves hydraulic system, especially a kind of hydraulic system.
Background technique
In the prior art, hydraulic system adjusts the pressure of total system often through overflow valve in parallel on oil inlet pipe,
However it generally requires worker and observes pressure at any time on system side to regulate and control, it has not been convenient to, lost labor increases cost.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic systems, to overcome deficiency in the prior art.
To achieve the above object, the utility model provides the following technical solutions:
The embodiment of the present application discloses hydraulic system, including fuel tank, oil inlet pipe, oil return pipe, solenoid directional control valve, pump and oil
Cylinder, the oil inlet pipe both ends are connect with the oil inlet of fuel tank and solenoid directional control valve respectively, the oil return pipe both ends respectively with fuel tank
Connected with the oil return opening of solenoid directional control valve, two working oil paths of the solenoid directional control valve respectively with the oil inlet of oil cylinder and oil cylinder
Oil outlet connection, the pump is arranged on oil inlet pipe, and described pump is connected with motor by shaft coupling, it is characterised in that: described
Connected pipes, the connected pipes one end and fuel tank far from oil inlet pipe are connected on oil inlet pipe between solenoid directional control valve and pump
Connection, the connected pipes are equipped with two-part overflow valve, the working oil of the oil inlet connection of the solenoid directional control valve and oil cylinder
Road is equipped with counterbalance valve, is additionally provided with and the counterbalance valve in the working oil path of the oil inlet connection of the solenoid directional control valve and oil cylinder
High-pressure ball valve in parallel.
Preferably, in above-mentioned hydraulic system, the oil inlet pipe between the pump and connected pipes is equipped with check valve, institute
Oil return pipe is stated equipped with return filter.
Preferably, in above-mentioned hydraulic system, the connected pipes and oil inlet pipe junction pass through pressure measuring tie-in and survey
Pressure hose is connected with vibration-proof pressure gauge, and two work of the solenoid directional control valve have road to be equipped with pressure measuring tie-in.
Preferably, in above-mentioned hydraulic system, oil absorption filter is equipped at the port that the oil inlet pipe is connect with fuel tank.
Preferably, in above-mentioned hydraulic system, liquid level liquid thermometer and air cleaner are additionally provided on the fuel tank, it is described
Tank bottoms are equipped with Blowoff ball valve.
Compared with the prior art, the advantages of the utility model are:
1, the hydraulic system carries out long-range pressure regulation to hydraulic system by adding two-part overflow valve to control
Hydraulic system is kept beside system always without manpower, saves artificial reduction cost.
2, add counterbalance valve in the output end of solenoid directional control valve control oil flow direction so that total system it is more stable and
It operates more accurate.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application are not making the creative labor according to this for those of ordinary skill in the art
A little attached drawings obtain other attached drawings.
Fig. 1 show the principle schematic diagram of hydraulic system in the utility model specific embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Detailed description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Join Fig. 1 shown in, the hydraulic system in the present embodiment, including fuel tank 1, oil inlet pipe 2, oil return pipe 3, solenoid directional control valve 4,
Pump 5 and oil cylinder 6,2 both ends of oil inlet pipe connect respectively with the oil inlet of fuel tank 1 and solenoid directional control valve 4,3 both ends of oil return pipe respectively with
Fuel tank 1 is connected with the oil return opening of solenoid directional control valve 4, two working oil paths of solenoid directional control valve 4 respectively with the oil inlet of oil cylinder 6 and
The oil outlet of oil cylinder 6 connects, and pump 5 is arranged on oil inlet pipe 2, and pump 5 is connected with motor 8 by shaft coupling 7, solenoid directional control valve 4 with
Connected pipes are connected on oil inlet pipe 2 between pump 5, the one end of 9 connected pipes 9 far from oil inlet pipe 2 is connect with fuel tank 1, connection
Oil pipe 9 is equipped with two-part overflow valve 10, and the working oil path that solenoid directional control valve 4 is connect with the oil inlet of oil cylinder 6 is equipped with back pressure
Valve 11 is additionally provided with the high-pressure ball valve in parallel with counterbalance valve 11 in the working oil path that solenoid directional control valve 4 is connect with the oil inlet of oil cylinder 6
12。
Further, the oil inlet pipe 2 between pump 5 and connected pipes 9 is equipped with check valve 13, and oil return pipe 3 is equipped with oil return
Filter 14.
Further, connected pipes 9 and 2 junction of oil inlet pipe crimps 15 and survey that press hose 16 to be connected with shatter-proof by surveying
Two work of pressure gauge 17, solenoid directional control valve 4 have road to be equipped with pressure measuring tie-in 15.
Further, oil absorption filter 18 is equipped at the port that oil inlet pipe 2 is connect with fuel tank 1.
Further, liquid level liquid thermometer 19 and air cleaner 20 are additionally provided on fuel tank 1,1 bottom of fuel tank is equipped with blowdown ball
Valve 21.
The hydraulic system carries out long-range pressure regulation to hydraulic system by adding two-part overflow valve to control liquid
Pressure system is kept beside system always without manpower, is saved artificial reduction cost, is added back pressure in the output end of solenoid directional control valve
Valve come control oil flow direction so that total system it is more stable and operation it is more smart.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including element.
The above is only the specific embodiments of the application, it is noted that those skilled in the art are come
It says, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as
The protection scope of the application.
Claims (5)
1. a kind of hydraulic system, including fuel tank, oil inlet pipe, oil return pipe, solenoid directional control valve, pump and oil cylinder, the oil inlet pipe both ends
It is connect respectively with the oil inlet of fuel tank and solenoid directional control valve, the oil return pipe both ends oil return with fuel tank and solenoid directional control valve respectively
Mouth connection, two working oil paths of the solenoid directional control valve are connect with the oil outlet of the oil inlet of oil cylinder and oil cylinder respectively, described
Pump is arranged on oil inlet pipe, and the pump is connected with motor by shaft coupling, it is characterised in that: between the solenoid directional control valve and pump
Oil inlet pipe on be connected with connected pipes, the connected pipes are connect far from one end of oil inlet pipe with fuel tank, the connected pipes
It is equipped with two-part overflow valve, the working oil path of the oil inlet connection of the solenoid directional control valve and oil cylinder is equipped with counterbalance valve, institute
It states and is additionally provided with the high-pressure ball valve in parallel with the counterbalance valve in the working oil path that solenoid directional control valve is connected with the oil inlet of oil cylinder.
2. a kind of hydraulic system according to claim 1, it is characterised in that: the oil inlet pipe between the pump and connected pipes
It is equipped with check valve, the oil return pipe is equipped with return filter.
3. a kind of hydraulic system according to claim 1, it is characterised in that: the connected pipes and oil inlet pipe junction are logical
It crosses pressure measuring tie-in and surveys pressure hose and be connected with vibration-proof pressure gauge, two work of the solenoid directional control valve have road to be equipped with survey pressure
Connector.
4. a kind of hydraulic system according to claim 1, it is characterised in that: at the port that the oil inlet pipe is connect with fuel tank
Equipped with oil absorption filter.
5. a kind of hydraulic system according to claim 1, it is characterised in that: be additionally provided on the fuel tank liquid level liquid thermometer and
Air cleaner, the tank bottoms are equipped with Blowoff ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821433870.8U CN208651312U (en) | 2018-09-03 | 2018-09-03 | Hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821433870.8U CN208651312U (en) | 2018-09-03 | 2018-09-03 | Hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651312U true CN208651312U (en) | 2019-03-26 |
Family
ID=65791983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821433870.8U Active CN208651312U (en) | 2018-09-03 | 2018-09-03 | Hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651312U (en) |
-
2018
- 2018-09-03 CN CN201821433870.8U patent/CN208651312U/en active Active
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