CN106402097A - Confining pressure cavity hydraulic oil recovery device - Google Patents
Confining pressure cavity hydraulic oil recovery device Download PDFInfo
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- CN106402097A CN106402097A CN201611048191.4A CN201611048191A CN106402097A CN 106402097 A CN106402097 A CN 106402097A CN 201611048191 A CN201611048191 A CN 201611048191A CN 106402097 A CN106402097 A CN 106402097A
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- Prior art keywords
- hydraulic oil
- recovering
- oil
- cylinder
- chamber
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Classifications
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- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a confining pressure cavity hydraulic oil recovery device which comprises an oil pressure cavity barrel, an oil pressure cavity base, a hydraulic oil recovering control valve, a hydraulic oil recovering pipe and a hydraulic oil recovering barrel; the oil pressure cavity barrel is a thick-wall cylinder with an opening in the lower end, and comprises an oil pressure cavity barrel inner wall and an oil pressure cavity barrel outer wall; the oil pressure cavity base comprises an upper cylinder body of the base and a lower cylinder body of the base, a hydraulic oil recovering hole is formed in the surface of the lower cylinder body of the base, and meanwhile a hydraulic oil recovering channel is formed in the base; and the hydraulic oil recovering barrel is communicated with the hydraulic oil recovering channel through the hydraulic oil recovering hole, a recovering control valve and the hydraulic oil recovering pipe. A complete recovering device is formed by the recovering channel, the recovering hole, the recovering control valve, the recovering pipe and the recovering barrel, and the confining pressure cavity hydraulic oil recovery device is suitable for liquid recovering and reusing, and is particularly suitable for indoor test liquid recovering. The confining pressure cavity hydraulic oil recovery device has a certain application prospect on tri-axial tests of on-site rock mass samples in the field of ground, tunnels, bridges, metros and the like.
Description
Technical field
A kind of the present invention relates to rock mechanical property research field, more particularly, it relates to confined pressure chamber hydraulic pressure recovery of oil
Device.
Background technology
According to mechanics principle, any object is all subject to the power from tri- directions of X, Y, Z, be called respectively maximum principal stress,
Intermediate principal stress and minimum principal stress, use symbol σ1、σ2、σ3Represent.In conventional rock-soil mechanics environment, Rock And Soil is practically at
Plane strain state, tests the mechanical property of the power in these Geotechnical Environments, often presses axisymmetric problem and processes, i.e. σ2=σ3.Conventional
Triaxial test is exactly so that sample is tested under axisymmetric stress state.
Indoor triaxial test systematic study under conditions of principal direction of stress is fixing, the relation of principal stress and strain and intensity
Characteristic, i.e. the constitutive relation of rock.Sample is generally cylinder.To sample axial principal stress face (X-direction), ring during test
Principal stress plane (i.e. cylinder ring side), applies axial stress σ respectively1, circumference stress (confined pressure, σ2And σ3), measure corresponding axle
To strain stress1, hoop strain ε2With bulk strain etc..
Hydraulic oil used by indoor triaxial test system is generally aircraft fluid, is refined using refined mineral oil and forms, product
Of fine quality more, economy and durability.Be applied to all kinds of hydraulic system equipment, the hydraulic pump of pole heavy load, hydraulic press, injection machine, blow moulding machine,
Die casting machine, punch press, shoes making machine etc..Have excellent resistance to emulsion, anti-foaming property, heat stability, air release property and extruding wear resistence,
Long service life,.But indoor triaxial test system confined pressure intracavity (applies confined pressure, σ2And σ3) often there is oil leakage phenomenon, cause
Test wastes and indoor equipment pollution, returns it is contemplated that installing hydraulic oil in the boring of confined pressure bottom of chamber seat for solving the problems, such as hydraulic pressure recovery of oil
Receiving apparatus.
There is hydraulic fluid leak and the row of returning asking not to the utmost in most of interiors triaxial test system confined pressure chambeies (oil pressure chamber) at present
Topic is difficult with the hydraulic pressure recovery of oil of the row of not returning to revealing.
Content of the invention
The technical problem to be solved in the present invention is, provides a kind of confined pressure chamber device for recovering hydraulic oil, this apparatus structure letter
Single, easy to process be capable of hydraulic pressure oil recovery it is not necessary to any auxiliary equipment, substantially reduce indoor hydraulic oil waste,
Improve laboratory environment.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of confined pressure chamber device for recovering hydraulic oil,
Including oil pressure chamber cylinder, oil pressure bottom of chamber seat, hydraulic oil recovery control valve door, hydraulic oil recovery tube and hydraulic oil recycling bin；
Oil pressure chamber cylinder is the thick cyclinder of lower ending opening formula, and oil pressure chamber cylinder is included outside oil pressure chamber cylinder inwall and oil pressure chamber cylinder
Wall；Oil pressure bottom of chamber seat includes the upper cylinder of base and the lower cylinder of base, in the lower periphery setting hydraulic pressure of base
Recovery of oil hole, arranges hydraulic oil recovery approach on base simultaneously；Described hydraulic oil recycling bin passes through hydraulic oil recovery holes, recovery
Control valve connects hydraulic oil recovery approach with hydraulic oil recovery tube；
It is slitless connection between the upper cylinder of oil pressure chamber cylinder inwall and oil pressure bottom of chamber seat in process of the test, indoor three axle examinations
Test sample to be placed in the confined pressure chamber cylinder after sealing, after triaxial test terminates, be adsorbed in oil pressure cavity wall, cylinder on the seat of oil pressure bottom of chamber
Under body and oil pressure bottom of chamber seat, cylindrical hydraulic oil and the hydraulic oil that do not drain completely are by along the hydraulic pressure on the seat of oil pressure bottom of chamber
Recovery of oil passage flows into hydraulic oil recovery holes, enters hydraulic oil recovery tube by hydraulic oil recovery control valve door, eventually flows to liquid
Force feed recycling bin.
In such scheme, described oil pressure bottom of chamber seat is T-shape platform base, arranges for five weeks in the lower periphery of base
To symmetrical hydraulic oil recovery holes, described hydraulic oil recovery approach is low groove semi-cylindrical.
In such scheme, described hydraulic oil recovery tube is connected to cylinder-lateral wall under the seat of oil pressure bottom of chamber.
Implement the confined pressure chamber device for recovering hydraulic oil of the present invention, have the advantages that：
1) oil pressure bottom of chamber seat is improved on the basis of being only used in original three axle confined pressure loading systems by this device, sets up liquid
Force feed recovery approach, hydraulic oil recovery holes, install hydraulic oil recovery control valve door, hydraulic oil recovery tube, hydraulic oil recycling bin additional.
2) processing technique is simple, belongs to single mechanicalness processing, is not related to any chemistry, physical unit it is easy to operate.
3) the hydraulic oil recovery control valve door being used for blocking adopts the thick steel plate of 10-20mm can switch control it is easy to processing
System is simple.
4) material of hydraulic oil recovery tube and hydraulic oil recycling bin all no particular/special requirement, any normal hydraulic oil oil pipe and liquid
Force feed oil drum all can use under conditions of ensureing in-house operation safety.
5) save hydraulic oil, advantageously reduce experimentation cost and Protection room environmental.
6) removal process is convenient, safe.
7) it is estimated that the hydraulic oil that averagely every 1 indoor triaxial test causes loses about 30-100ml, three axles examination on market
Test price about 700 yuan/barrel of special 10# aircraft fluid, every barrel of about 11L, calculate by this, a collection of test sample (about 500),
At least Ren Minbi $3000 unit can be saved using device for recovering hydraulic oil.
The present invention passes through recovery approach, recovery holes, recovery control valve door, recovery tube and recycling bin and forms returning of complete set
Receiving apparatus, it is adaptable to the recycling of liquid, are particularly suited for the liquids recovery of laboratory test.The present invention ground, tunnel,
The triaxial test of the field such as bridge, subway Test in Situ sample all has certain application prospect.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of oil pressure chamber device for recovering hydraulic oil schematic diagram；
Fig. 2 a is a kind of texture edge schematic diagram of oil pressure bottom of chamber seat；
Fig. 2 b is a kind of structure top view of oil pressure bottom of chamber seat；
Fig. 3 is a kind of oil pressure chamber barrel structure schematic diagram.
1-oil pressure chamber cylinder, 1-1-oil pressure chamber cylinder inwall, 1-2-oil pressure chamber drum outer wall；
2-oil pressure bottom of chamber seat, cylinder on 2-1-base, cylinder under 2-2-base, 2-3-hydraulic pressure recovery of oil leads to
Road, 2-4-hydraulic oil recovery holes；3-hydraulic oil recovery control valve door；4-hydraulic oil recovery tube；5-hydraulic oil recycling bin；
6-sample.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing describes in detail
The specific embodiment of the present invention.
According to Fig. 1, Fig. 2 a, Fig. 2 b, Fig. 3, a kind of oil pressure chamber device for recovering hydraulic oil, including：Oil pressure chamber cylinder 1, oil
Pressure bottom of chamber seat 2, hydraulic oil recovery control valve door 3, hydraulic oil recovery tube 4, hydraulic oil recycling bin 5.It is characterized in that：Oil pressure chamber cylinder
Inwall 1-1 be connected with the upper cylinder 2-1 of oil pressure bottom of chamber seat, realize slitless connection, hydraulic pressure recovery of oil control under test conditions
Valve 3 processed is arranged on the lower cylinder 2-2 side of oil pressure bottom of chamber seat, and hydraulic oil recovery tube 4 one end is connected to recovery control
Valve 3, the other end is connected in hydraulic oil recycling bin 5.Oil pressure bottom of chamber seat 2 is by the upper cylinder 2-1 of oil pressure bottom of chamber seat 2, oil pressure
The lower cylinder 2-2 of bottom of chamber seat 2, hydraulic oil recovery approach 2-3 and hydraulic oil recovery holes 2-4 composition.By the interior made three
Shaft experiment oil pressure chamber barrel 1 and oil pressure bottom of chamber seat 2 install docking, and can observation realize being seamlessly connected and whether machining accuracy is full
Foot interior triaxial test requires；Adjust hydraulic oil recovery control valve door 3, observing has non-loosening phenomenon；Hydraulic oil recovery tube 4 connects
Recovery control valve door 3, checks before installing that recovery tube whether there is crack and disrepair phenomenon.Hydraulic pressure recovery of oil in oil pressure bottom of chamber seat
Inject a certain amount of liquid (water) in passage 2-3, when observing recovery control valve door 3 closing, whether go out in hydraulic oil recovery holes 2-4
When water and valve are opened hydraulic oil can smoothly flow out it is ensured that on-off control valve close when oil pressure chamber sealing；Close liquid
Force feed recovery holes control valve 3, opens indoor triaxial test system, enables oil pressure source low pressure, change to high pressure, will be a certain amount of
Oil pressure chamber after hydraulic oil injection improvement, controlling test pattern is set to axial displacement control, applies confined pressure (10-100Mpa),
Inspection now whether oil leak；Under the same terms, reduce confined pressure to 0Mpa, close oil pressure source, separate chamber cylinder 1 and the base in oil pressure chamber
2, open hydraulic oil recovery holes control valve 3, can the hydraulic oil of inspection seepage smoothly flow into hydraulic oil recycling bin 5.Hydraulic oil
If hydraulic oil recycling bin 5 can successfully be flowed into by recovery approach, illustrate that this retracting device designs successfully.So prepare interior
The retracting device of triaxial test hydraulic oil.
As shown in Figure 2 a, the upper cylinder 2-1 and lower cylinder 2-2 of oil pressure bottom of chamber seat 2, hydraulic oil recovery control valve door 3
It is arranged on cylindrical side under the seat of oil pressure bottom of chamber.
As shown in Figure 2 b, hydraulic oil recovery approach 2-3 and hydraulic oil recovery holes 2-4 are distributed in the lower circle of oil pressure bottom of chamber seat 2
On cylinder 2-2, five hydraulic oil recovery holes 2-4 are symmetrical, argument spacing 72o, hydraulic oil recovery approach 2-3 is by five hydraulic pressure
Recovery of oil hole connects, and forms the ring-type of a closure.During triaxial test, it is adsorbed in oil pressure cavity wall (1-1), oil pressure bottom of chamber
On seat 2, the hydraulic oil of lower cylinder (2-2) of cylinder (2-1) and oil pressure bottom of chamber seat 2 and the hydraulic oil not drained completely pass through
Hydraulic oil recovery approach 2-3, flows to hydraulic oil recovery holes 2-4.
As shown in figure 3, oil pressure chamber cylinder 1 be 248 250 or 252mm, external diameter 398 or 400 or 402mm, high 398 or 400 or
The rustless steel thick cyclinder device of 402mm, upper port is closed, lower port opening.During test, oil pressure chamber cylinder inwall 1-1 will be with oil
The upper cylinder 2-1 of pressure bottom of chamber seat 2 realizes slitless connection, the inside cavity that sample 6 placement reserves.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematically, rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, also can make a lot
Form, these belong within the protection of the present invention.
Claims (3)
1. a kind of confined pressure chamber device for recovering hydraulic oil is it is characterised in that include oil pressure chamber cylinder (1), oil pressure bottom of chamber seat (2), hydraulic pressure
Recovery of oil control valve (3), hydraulic oil recovery tube (4) and hydraulic oil recycling bin (5)；
Oil pressure chamber cylinder (1) is the thick cyclinder of lower ending opening formula, and oil pressure chamber cylinder (1) includes oil pressure chamber cylinder inwall (1-1) and oil pressure
Chamber drum outer wall (1-2)；Oil pressure bottom of chamber seat (2) includes the upper cylinder (2-1) of base and the lower cylinder (2-2) of base, the bottom of at
Lower cylinder (2-2) surface setting hydraulic oil recovery holes (2-4) of seat, arranges hydraulic oil recovery approach (2- on base simultaneously
3)；Described hydraulic oil recycling bin (5) passes through hydraulic oil recovery holes (2-4), recovery control valve door (3) and hydraulic oil recovery tube (4)
Connection hydraulic oil recovery approach (2-3)；
It is slitless connection between the upper cylinder (2-1) of oil pressure chamber cylinder inwall (1-1) and oil pressure bottom of chamber seat in process of the test, indoor
Triaxial test sample (6) is placed in the confined pressure chamber cylinder (1) after sealing Nei, after triaxial test terminates, is adsorbed in oil pressure cavity wall (1-
1), the hydraulic oil of lower cylinder (2-2) of (2) cylinder (2-1) and oil pressure bottom of chamber seat and not draining completely on the seat of oil pressure bottom of chamber
Hydraulic oil will along on oil pressure bottom of chamber seat (2) hydraulic oil recovery approach (2-3) flow into hydraulic oil recovery holes (2-4), pass through
Hydraulic oil recovery control valve door (3) enters hydraulic oil recovery tube (4), eventually flows to hydraulic oil recycling bin (5).
2. confined pressure chamber device for recovering hydraulic oil according to claim 1 is it is characterised in that described oil pressure bottom of chamber seat (2) is
T-shape platform base, arranges the symmetrical hydraulic oil recovery holes (2-4) of five circumferences on lower cylinder (2-2) surface of base,
Described hydraulic oil recovery approach (2-3) is low groove semi-cylindrical.
3. confined pressure chamber device for recovering hydraulic oil according to claim 1 is it is characterised in that described hydraulic oil recovery tube (4)
It is connected to cylinder (2-2) lateral wall under the seat of oil pressure bottom of chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048191.4A CN106402097A (en) | 2016-11-22 | 2016-11-22 | Confining pressure cavity hydraulic oil recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048191.4A CN106402097A (en) | 2016-11-22 | 2016-11-22 | Confining pressure cavity hydraulic oil recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402097A true CN106402097A (en) | 2017-02-15 |
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ID=58081961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611048191.4A Pending CN106402097A (en) | 2016-11-22 | 2016-11-22 | Confining pressure cavity hydraulic oil recovery device |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599773U (en) * | 2012-04-06 | 2012-12-12 | 东北石油大学 | Device for testing consolidation strength of multi-surface medium sleeve |
| CN202757828U (en) * | 2012-07-10 | 2013-02-27 | 矫震 | Tri-axial test confining pressure device |
| CN103344496A (en) * | 2013-06-09 | 2013-10-09 | 武汉大学 | Triaxial compression-water (gas) coupling apparatus and test method for rock |
| CN103884604A (en) * | 2014-04-08 | 2014-06-25 | 中国矿业大学 | Multifunctional high-temperature and high-pressure three-axis coal rock testing device and method |
| CN105424487A (en) * | 2016-01-11 | 2016-03-23 | 中国科学院武汉岩土力学研究所 | Testing device for simulating static pressure pile-sinking process of steel pipe pile under confining pressure condition and method of testing device |
-
2016
- 2016-11-22 CN CN201611048191.4A patent/CN106402097A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599773U (en) * | 2012-04-06 | 2012-12-12 | 东北石油大学 | Device for testing consolidation strength of multi-surface medium sleeve |
| CN202757828U (en) * | 2012-07-10 | 2013-02-27 | 矫震 | Tri-axial test confining pressure device |
| CN103344496A (en) * | 2013-06-09 | 2013-10-09 | 武汉大学 | Triaxial compression-water (gas) coupling apparatus and test method for rock |
| CN103884604A (en) * | 2014-04-08 | 2014-06-25 | 中国矿业大学 | Multifunctional high-temperature and high-pressure three-axis coal rock testing device and method |
| CN105424487A (en) * | 2016-01-11 | 2016-03-23 | 中国科学院武汉岩土力学研究所 | Testing device for simulating static pressure pile-sinking process of steel pipe pile under confining pressure condition and method of testing device |
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Application publication date: 20170215 |