CN209278264U - Novel oil filtering type hydraulic machine oil hydraulic system - Google Patents
Novel oil filtering type hydraulic machine oil hydraulic system Download PDFInfo
- Publication number
- CN209278264U CN209278264U CN201821909300.1U CN201821909300U CN209278264U CN 209278264 U CN209278264 U CN 209278264U CN 201821909300 U CN201821909300 U CN 201821909300U CN 209278264 U CN209278264 U CN 209278264U
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- China
- Prior art keywords
- oil
- flow pump
- fuel tank
- filter
- hydraulic
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Abstract
The utility model relates to a kind of novel oil filtering type hydraulic machine oil hydraulic systems, it includes hydraulic press cylinder, three position four-way directional control valve, flow pump, fuel tank, the oil inlet P of the three position four-way directional control valve connects flow pump, the rodless cavity of working hole A connection hydraulic press cylinder, the rod chamber of working hole B connection hydraulic press cylinder, the fuel tank includes supply reservoir and oil return fuel tank, the flow pump connects supply reservoir, the oil return inlet T of the three position four-way directional control valve connects oil return fuel tank, the bottom of the supply reservoir is equipped with oil outlet, the oil outlet connects oil filter by oil pipe, the oil pipe is equipped with oil pump, the oil outlet of the oil filter connects supply reservoir.The utility model can be such that hydraulic oil is filtered in each recycling and without stopping production, it is ensured that hydraulic oil always clean conditions, to reduce the damage to equipment.
Description
Technical field
The utility model relates to hydraulic system technical field more particularly to a kind of novel oil filtering type hydraulic machine oil hydraulic systems.
Background technique
The hydraulic oil of hydraulic press has an extraneous dust and various impurity constantly entered in working long hours, and these
Impurity is very harmful to devices such as the valves of hydraulic press, gently then damages valve, and heavy then blocking pipeline wear equipment causes to stop production and examine
It repairs.Tradition is periodically to stop production to the mode of hydraulic oil purifying, hydraulic oil extraction is filtered, although playing the work of purification
With, but not only delayed production, but also risky, because being unable to judge accurately the opportunity that hydraulic oil needs to filter.Accordingly, it is desirable to provide one
Kind filters hydraulic oil in each recycling and is not necessarily to the novel oil filtering type hydraulic machine oil hydraulic system to stop production, it is ensured that
Hydraulic oil always clean conditions, to reduce the damage to equipment.
Utility model content
In view of the deficiencies of the prior art, the utility model, which provides one kind, is obtained hydraulic oil in each recycling
Filter and the novel oil filtering type hydraulic machine oil hydraulic system without stopping production, it is ensured that hydraulic oil always clean conditions, to reduce to equipment
Damage.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the novel oil filtering type hydraulic machine oil pressure system
System includes hydraulic press cylinder, three position four-way directional control valve, flow pump, fuel tank, the oil inlet P connection flow of the three position four-way directional control valve
Amount pump, the rodless cavity of working hole A connection hydraulic press cylinder, the rod chamber of working hole B connection hydraulic press cylinder, the fuel tank include
Supply reservoir and oil return fuel tank, the flow pump connect supply reservoir, and the oil return inlet T of the three position four-way directional control valve connects oil return
Fuel tank, the bottom of the supply reservoir are equipped with oil outlet, and the oil outlet connects oil filter by oil pipe, and the oil pipe is equipped with
The oil outlet of oil pump, the oil filter connects supply reservoir.
In a kind of preferred embodiment of novel oil filtering type hydraulic machine oil hydraulic system provided by the utility model, the flow
Be additionally provided with oil filter between pump and supply reservoir, the oil filter be screen filter, edge type oil filter, paper type oil filter,
One of metal oil filter.
In a kind of preferred embodiment of novel oil filtering type hydraulic machine oil hydraulic system provided by the utility model, the flow
Pump includes high-pressure low-flow pump and low pressure and mass flow pump, and the high-pressure low-flow pump is set side by side with low pressure and mass flow pump, and institute
Stating low pressure and mass flow series connection of pumps has check valve, and the oil inlet of check valve connects the oil outlet of low pressure and mass flow pump, and the high pressure is small
Flow pump is in series with adjustable throttling.
In a kind of preferred embodiment of novel oil filtering type hydraulic machine oil hydraulic system provided by the utility model, the high pressure
It is also connected with overflow valve on pipeline between low-capacity pump and adjustable throttling and between low-pressure low flow pump and check valve,
And a pressure gauge with valve is also connected at the oil inlet of the overflow valve, the overflow valve connects oil return fuel tank.
In a kind of preferred embodiment of novel oil filtering type hydraulic machine oil hydraulic system provided by the utility model, the fuel feeding
Fuel tank and oil return fuel tank are separated by a seal casinghousing by partition.
In a kind of preferred embodiment of novel oil filtering type hydraulic machine oil hydraulic system provided by the utility model, the oil strain
Machine be vacuum oil-filter, coalescence sedimentation oil filter, centrifuge separation oil filter, Electrostatic Absorption oil filter, automatically slagging oil-filtering machine or
One of pocket type oil filter.
Compared with prior art, the beneficial effect of novel oil filtering type hydraulic machine oil hydraulic system provided by the utility model is:
The fuel tank of the hydraulic system of hydraulic press is divided into supply reservoir and oil return fuel tank by the utility model, will be hydraulic in oil return fuel tank
Oil is pumped into oil filter by oil pump to be purified, and purified hydraulic oil enters supply reservoir, and works with oil by fuel feeding
Fuel tank supply filters hydraulic oil in each recycling and without stopping production, it is ensured that hydraulic oil always clean conditions,
To reduce the damage to equipment.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the structural schematic diagram of novel oil filtering type hydraulic machine oil hydraulic system provided by the utility model.
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
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the novel oil filtering type hydraulic machine oil hydraulic system 1 includes hydraulic press cylinder 11,3-position 4-way commutation
The oil inlet P of valve 12, flow pump 13, fuel tank 14, the three position four-way directional control valve 12 connects flow pump 13, working hole A connection liquid
The rodless cavity of oil cylinder for presses 11, the rod chamber of working hole B connection hydraulic press cylinder 11, the fuel tank 14 include supply reservoir 141
With oil return fuel tank 142, the flow pump 13 connects supply reservoir 141, and the oil return inlet T of the three position four-way directional control valve 12 connects back to
Fuel tank 142, the bottom of the supply reservoir 141 are equipped with oil outlet, and the oil outlet connects oil filter 15 by oil pipe, described
Oil pipe is equipped with oil pump 16, and specifically, the oil inlet and outlet of oil pump 16 is equipped with valve, convenient for the maintenance of equipment, the oil filter 15
Oil outlet connect supply reservoir 141, in the present embodiment, the supply reservoir 141 and oil return fuel tank 142 are by a capsul
Body is separated by partition, is also possible to by two individual different fuel tanks.
In the present embodiment, the oil filter 15 be vacuum oil-filter, coalescence sedimentation oil filter, centrifuge separation oil filter,
One of Electrostatic Absorption oil filter, automatically slagging oil-filtering machine or pocket type oil filter.
In the present embodiment, it is additionally provided with oil filter 17 between the flow pump 13 and supply reservoir 141, for oil feeding reservoirs
The hydraulic oil of interior offer is further filtered, and the oil filter 17 is screen filter, edge type oil filter, papery oil strain
One of device, metal oil filter.
In the present embodiment, the flow pump 13 includes high-pressure low-flow pump 131 and low pressure and mass flow pump 132, the height
Pressure low-capacity pump 131 is set side by side with low pressure and mass flow pump 132, and low pressure and mass flow pump 132 is in series with check valve 18, single
To the oil outlet of the oil inlet of valve 18 connection low pressure and mass flow pump 132, the high-pressure low-flow pump 131 is in series with adjustable throttling
19, the structure for being designed as high-pressure low-flow pump and low pressure and mass flow pump forms the quick moving loop of Double-hydraulic oil pump feed, Ke Yibao
The fast lifting of hydraulic press cylinder is demonstrate,proved, the quick moving loop of Double-hydraulic oil pump feed is the prior art, and details are not described herein.
In the present embodiment, the high-pressure low-flow pumps between 131 and adjustable throttling 19 and low-pressure low flow pumps 132
It is also connected with overflow valve 20 on pipeline between check valve 18, and is also connected with a band valve at the oil inlet of the overflow valve 20
The pressure gauge 21 of door, the overflow valve 20 connect oil return fuel tank 142.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass similarly includes within the scope of patent protection of the utility model.
Claims (6)
1. a kind of novel oil filtering type hydraulic machine oil hydraulic system, including hydraulic press cylinder, three position four-way directional control valve, flow pump, fuel tank,
The oil inlet P of the three position four-way directional control valve connects flow pump, the rodless cavity of working hole A connection hydraulic press cylinder, and working hole B connects
Connect the rod chamber of hydraulic press cylinder, it is characterised in that: the fuel tank includes supply reservoir and oil return fuel tank, the flow pump connection
Supply reservoir, the oil return inlet T of the three position four-way directional control valve connect oil return fuel tank, and the bottom of the supply reservoir is equipped with fuel-displaced
Mouthful, the oil outlet connects oil filter by oil pipe, and the oil pipe is equipped with oil pump, and the oil outlet of the oil filter connects fuel feeding
Fuel tank.
2. novel oil filtering type hydraulic machine oil hydraulic system according to claim 1, it is characterised in that: the flow pump and fuel feeding
Oil filter is additionally provided between fuel tank, the oil filter is screen filter, edge type oil filter, paper type oil filter, sintered type filter
One of oily device.
3. novel oil filtering type hydraulic machine oil hydraulic system according to claim 1, it is characterised in that: the flow pump includes height
Low-capacity pump and low pressure and mass flow pump are pressed, the high-pressure low-flow pump is set side by side with low pressure and mass flow pump, and the low pressure is big
Flow pump is in series with check valve, the oil outlet of the oil inlet connection low pressure and mass flow pump of check valve, the high-pressure low-flow pump string
It is associated with adjustable throttling.
4. novel oil filtering type hydraulic machine oil hydraulic system according to claim 3, it is characterised in that: the high-pressure low-flow pump
Overflow valve is also connected on pipeline between adjustable throttling and between low-pressure low flow pump and check valve, and described excessive
It flows and is also connected with a pressure gauge with valve at the oil inlet of valve, the overflow valve connects oil return fuel tank.
5. novel oil filtering type hydraulic machine oil hydraulic system according to claim 1, it is characterised in that: the supply reservoir and return
Fuel tank is separated by a seal casinghousing by partition.
6. any novel oil filtering type hydraulic machine oil hydraulic system according to claim 1~5, it is characterised in that: the oil strain
Machine be vacuum oil-filter, coalescence sedimentation oil filter, centrifuge separation oil filter, Electrostatic Absorption oil filter, automatically slagging oil-filtering machine or
One of pocket type oil filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821909300.1U CN209278264U (en) | 2018-11-19 | 2018-11-19 | Novel oil filtering type hydraulic machine oil hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821909300.1U CN209278264U (en) | 2018-11-19 | 2018-11-19 | Novel oil filtering type hydraulic machine oil hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278264U true CN209278264U (en) | 2019-08-20 |
Family
ID=67601925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821909300.1U Expired - Fee Related CN209278264U (en) | 2018-11-19 | 2018-11-19 | Novel oil filtering type hydraulic machine oil hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278264U (en) |
-
2018
- 2018-11-19 CN CN201821909300.1U patent/CN209278264U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20201119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |