CN106402053A - Gas pressure liquid supply oil tank assisting in hydraulic pump self suction - Google Patents
Gas pressure liquid supply oil tank assisting in hydraulic pump self suction Download PDFInfo
- Publication number
- CN106402053A CN106402053A CN201611097184.3A CN201611097184A CN106402053A CN 106402053 A CN106402053 A CN 106402053A CN 201611097184 A CN201611097184 A CN 201611097184A CN 106402053 A CN106402053 A CN 106402053A
- Authority
- CN
- China
- Prior art keywords
- hydraulic pump
- pressure
- fuel tank
- oil
- oil tank
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
- F15B1/265—Supply reservoir or sump assemblies with pressurised main reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
A gas pressure liquid supply oil tank assisting in hydraulic pump self suction comprises hydraulic pumps and an oil tank body; oil of hydraulic pump oil suction openings is subject to increasing of certain pressure; a pressure gas chamber is arranged on oil faces of the hydraulic pump oil suction openings, and gas in the pressure gas chamber has a certain pressure; the oil tank body is sealed container, a gas chamber is formed in the upper portion of an inner cavity of the oil tank body, and a liquid chamber is formed in the lower portion of the inner cavity of the oil tank body; the gas chamber is inflated with compression gas; the hydraulic pump oil suction openings are formed in the liquid chamber of the inner cavity of the oil tank body, and the pressure of the compression gas is larger than 0.1Mpa. The gas pressure oil tank is adopted to serve as the liquid supply oil tank of the hydraulic machine hydraulic pumps, the liquid supply oil tank is inflated with the pressure gas, oil of the liquid supply oil tank has the pressure, and therefore flow is increased, and the large-flow oil suction requirement of the hydraulic pumps is met, and the effect of assisting in hydraulic pump self suction is achieved; meanwhile, an oil circulating loop with the oil tank body, the hydraulic pumps and a hydraulic cylinder closed is formed, investment of auxiliary equipment is reduced, electric energy is saved, running cost is reduced, and overbottom pressure recycling is achieved.
Description
Technical field
The present invention relates to a kind of air pressure feed flow fuel tank of auxiliary hydraulic pump self-priming, especially a kind of hydrostatic forging machine hydraulic pump
Auxiliary self-priming fuel tank, particularly to a kind of airtight and with certain pressure fuel tank, belong to Gas fluid pressure transmission technique field.
Background technology
The hydraulic power system of hydraulic press, not only needs to meet at a relatively high operating pressure in addition it is also necessary to meet big flow
Working condition requirement.Generally people's selection work pressure is high and remains under high pressure keep the axial plunger pump of high volumetric efficiency as liquid
The hydraulic pump of press, but because the self-priming performance of axial plunger pump is bad, and liquid has certain viscosity resistance, to oil suction stream
Amount has a certain impact it is therefore necessary to increase the auxiliary inlet port fuel feeding to hydraulic pump for the solution feed pump, could meet the suction of hydraulic pump
Oil requires., the auxiliary solution feed pump being commonly equipped with two 110kw supplies to the inlet port of hydraulic pump taking 63MN hydrostatic forging machine as a example
Oil, and the fuel system of auxiliary solution feed pump is uninterrupted fuel system.Supply to hydraulic pump inlet port above by auxiliary solution feed pump
There is following drawback in the mode of oil：1st, need to be equipped with auxiliary solution feed pump, equipment investment is big, electric power installed capacity increases；2nd, between not
Disconnected work, power consumption is big, fault rate increases, poor reliability, operating cost height；3rd, floor space is big.Accordingly it is desirable to have
A kind of innovative auxiliary feed liquid way, applies in the fueller of hydraulic press hydraulic pump.
Content of the invention
It is an object of the invention to provide a kind of air pressure feed flow fuel tank of auxiliary hydraulic pump self-priming is it is achieved that high-volume hydraulic
Pump does not have the air pressure of exterior power to assist self-priming.
The present invention is implemented by the following technical programs：A kind of air pressure feed flow fuel tank of auxiliary hydraulic pump self-priming, including hydraulic pressure
Pump, fuel tank, described hydraulic pump provides pressure oil to the hydraulic cylinder of hydraulic press；Described fuel tank provides hydraulic oil to hydraulic pump；
Oil return in described hydraulic cylinder flow into fuel tank it is characterised in that：
Certain pressure is increased to the oil of described hydraulic pump inlet port；The oil level of described hydraulic pump inlet port arranges one
Gas in pressure air chamber, and described pressure air chamber carries certain pressure,
Described fuel tank is closed container；
Described fuel tank inner chamber top is set to air chamber, and bottom is set to liquid room；
Compressed air suits in described air chamber；
The inlet port of described hydraulic pump is arranged in the liquid room of described fuel tank inner chamber.
Described compression pressure is more than 0.1Mpa.
Preferably, described compressed gas are nitrogen.
Preferably, described compressed gas are air.
Described oil return opening is arranged in the liquid room of described fuel tank inner chamber.
The present invention adopts air pressure fuel tank as the feed flow fuel tank of hydraulic press hydraulic pump, and is filled with pressure gas in feed flow fuel tank
Body, makes the oil of feed flow fuel tank have pressure and increase flow, thus the big flow oil suction meeting hydraulic pump requires, plays auxiliary liquid
The effect of press pump self-priming.Define fuel tank, hydraulic pump, the oily closed circuit of hydraulic cylinder closure simultaneously, not only decrease auxiliary and set
Standby investment, has saved electric energy, has reduced operating cost, also achieves hydraulic recovery and utilizes.
Brief description
Accompanying drawing 1 is operation principle and the structure diagram of the present invention.
In fig. 1：1 is fuel tank, 2 is hydraulic pump, 3 is solenoid directional control valve, 4 is main hydraulic cylinder, 5 is backhaul hydraulic cylinder.
Specific embodiment
Below in conjunction with accompanying drawing, explanation is further explained to the present invention：
As shown in Figure 1, hydraulic pump 2 sucks hydraulic oil in fuel tank 1, to main hydraulic cylinder 4 and the backhaul hydraulic pressure of hydrostatic forging machine
Cylinder 5 provides hydraulic oil；Oil return in main hydraulic cylinder 4 and backhaul hydraulic cylinder 5 flows into fuel tank 1, and fuel tank 1 is closed container, its top
It is set to air chamber, bottom is set to liquid room；Compressed air suits in air chamber；The inlet port of hydraulic pump 2 is arranged on fuel tank 1 inner chamber
In liquid room；Compression pressure is more than 0.1Mpa；Compressed gas are air or nitrogen；The returning of main hydraulic cylinder 4 and backhaul hydraulic cylinder 5
Hydraulic fluid port is arranged in the liquid room of fuel tank 1 inner chamber.
During present invention work, inject the hydraulic oil of about 2/3 cavity volume first into fuel tank 1 and form liquid room, Ran Houxiang
It is filled with air or the nitrogen more than 0.1Mpa in fuel tank 1, form the air chamber on hydraulic pressure pasta top；Start hydraulic pump 2, electromagnetic switch
Valve 3 left or right wing energising, the inlet port of hydraulic pump 2 obtains the air pressure feed flow of auxiliary oil suction from fuel tank 1, thus to main hydraulic pressure
Cylinder 4 or the hydraulic oil of backhaul hydraulic cylinder 5 offer big flow, realize dropping soon to meet main hydraulic cylinder 4, backhaul hydraulic cylinder 5 is realized soon
The need of work of fast backhaul.
The present invention also the high pressure oil return in main hydraulic cylinder 4 or backhaul hydraulic cylinder 5 is recycled in fuel tank 1, forms fuel tank, liquid
Press pump, the oily closed circuit of hydraulic cylinder closure, are simultaneously achieved the effect of hydraulic recovery utilization.
Claims (5)
1. the air pressure feed flow fuel tank of a kind of auxiliary hydraulic pump self-priming, including hydraulic pump, fuel tank, described hydraulic pump is to hydraulic press
Hydraulic cylinder provides pressure oil；Described fuel tank provides hydraulic oil to hydraulic pump；Oil return in described hydraulic cylinder flows into fuel tank, and it is special
Levy and be：
Certain pressure is increased to the oil of described hydraulic pump inlet port；The oil level of described hydraulic pump inlet port arranges one
Gas in pressure air chamber, and described pressure air chamber carries certain pressure,
Described fuel tank is closed container；
Described fuel tank inner chamber top is set to air chamber, and bottom is set to liquid room；
Compressed air suits in described air chamber；
The inlet port of described hydraulic pump is arranged in the liquid room of described fuel tank inner chamber.
2. a kind of auxiliary hydraulic pump self-priming according to claim 1 air pressure feed flow fuel tank it is characterised in that：Described compression
Gas pressure is more than 0.1Mpa.
3. a kind of auxiliary hydraulic pump self-priming according to claim 1 air pressure feed flow fuel tank it is characterised in that：Described compression
Gas is nitrogen.
4. a kind of auxiliary hydraulic pump self-priming according to claim 1 air pressure feed flow fuel tank it is characterised in that：Described pressure
Contracting gas is air.
5. a kind of auxiliary hydraulic pump self-priming according to claim 1 air pressure feed flow fuel tank it is characterised in that：Described oil return
Mouth is arranged in the liquid room of described fuel tank inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097184.3A CN106402053A (en) | 2016-12-02 | 2016-12-02 | Gas pressure liquid supply oil tank assisting in hydraulic pump self suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097184.3A CN106402053A (en) | 2016-12-02 | 2016-12-02 | Gas pressure liquid supply oil tank assisting in hydraulic pump self suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402053A true CN106402053A (en) | 2017-02-15 |
Family
ID=58083370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611097184.3A Pending CN106402053A (en) | 2016-12-02 | 2016-12-02 | Gas pressure liquid supply oil tank assisting in hydraulic pump self suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402053A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672222A (en) * | 2017-11-02 | 2018-02-09 | 中科聚信洁能热锻装备研发股份有限公司 | A kind of energy-efficient kicker cylinder of hydraulic press |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57177401A (en) * | 1981-04-22 | 1982-11-01 | Hitachi Constr Mach Co Ltd | Pressurizing device for hydraulic tank |
| JPH07293501A (en) * | 1994-04-20 | 1995-11-07 | Toyooki Kogyo Co Ltd | Oil tank |
| JP4724565B2 (en) * | 2006-01-19 | 2011-07-13 | 新日本製鐵株式会社 | Hydraulic device |
| US20150158669A1 (en) * | 2015-02-18 | 2015-06-11 | Caterpillar Global Mining Llc | Hydraulic tank fill system |
| CN105020185A (en) * | 2015-07-30 | 2015-11-04 | 上海神舟汽车节能环保有限公司 | Hydraulic oil tank for air power starting system (hydraulic hybrid power system) |
| CN206206298U (en) * | 2016-12-02 | 2017-05-31 | 江苏华威机械制造有限公司 | A kind of air pressure feed flow fuel tank of auxiliary hydraulic pump self-priming |
-
2016
- 2016-12-02 CN CN201611097184.3A patent/CN106402053A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57177401A (en) * | 1981-04-22 | 1982-11-01 | Hitachi Constr Mach Co Ltd | Pressurizing device for hydraulic tank |
| JPH07293501A (en) * | 1994-04-20 | 1995-11-07 | Toyooki Kogyo Co Ltd | Oil tank |
| JP4724565B2 (en) * | 2006-01-19 | 2011-07-13 | 新日本製鐵株式会社 | Hydraulic device |
| US20150158669A1 (en) * | 2015-02-18 | 2015-06-11 | Caterpillar Global Mining Llc | Hydraulic tank fill system |
| CN105020185A (en) * | 2015-07-30 | 2015-11-04 | 上海神舟汽车节能环保有限公司 | Hydraulic oil tank for air power starting system (hydraulic hybrid power system) |
| CN206206298U (en) * | 2016-12-02 | 2017-05-31 | 江苏华威机械制造有限公司 | A kind of air pressure feed flow fuel tank of auxiliary hydraulic pump self-priming |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672222A (en) * | 2017-11-02 | 2018-02-09 | 中科聚信洁能热锻装备研发股份有限公司 | A kind of energy-efficient kicker cylinder of hydraulic press |
| CN107672222B (en) * | 2017-11-02 | 2023-07-25 | 中科聚信洁能热锻装备研发股份有限公司 | Efficient energy-saving return cylinder of hydraulic machine |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |