CN104965056B - Fully automatic rock wet and dry cycle and permeability instrument - Google Patents
Fully automatic rock wet and dry cycle and permeability instrument Download PDFInfo
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- CN104965056B CN104965056B CN201510224680.XA CN201510224680A CN104965056B CN 104965056 B CN104965056 B CN 104965056B CN 201510224680 A CN201510224680 A CN 201510224680A CN 104965056 B CN104965056 B CN 104965056B
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Abstract
The present invention relates to a fully automatic rock wet and dry cycle and permeability instrument which is characterized by comprising a drying chamber, a permeation chamber, an expansion chamber, a rotating carrying platform rack and a rock sample carrying platform and other components. By automatic rotation of the rotating carrying platform rack, a rock sample is sent to different laboratories, then through automatic sealing technology of the rotating carrying platform rack and the laboratories, the rock sample is extracted, and the laboratories are automatically sealed for testing. By use of the fully automatic rock wet and dry cycle and permeability instrument, the same rock sample can be placed in three laboratories for repeatedly testing in turn to obtain a variety of physical data of the rock sample under wet and dry cycle and permeability tests, and a reference for study on internal structural changes of rock under wet and dry cycle and permeability conditions is provided.
Description
Technical field：
The invention belongs to rock physicses testing machine development field, more particularly to a kind of full-automatic rock drying and watering cycle and infiltration
Instrument, it is adaptable to study the rock sample automatic detection of test data and collection in drying and watering cycle and permeability test.
Technical background：
Red soft rock is prevalent in south China area, and south is China's rainfall concentration zones, weather and weather ring
Border is changeful, therefore, in the key project construction of this area, after soft rock is excavated exposure, regular traversal alternation of wetting and drying
Circulation, cause rock mass internal structure loose, intensity is reduced rapidly so that the engineering catastrophe such as side slope, tunnel, foundation ditch is frequent
Produce.Therefore catastrophe mechanism of the research soft rock under drying and watering cycle effect has become one of important topic of rock mechanics.Room
Interior experiment is to study one of important means of soft rock drying and watering cycle catastrophe mechanism.But existing drying and watering cycle and infiltration testing apparatus
Device one side function is relatively simple, can only carry out rock sample drying and watering cycle by the repetition of the processes such as the drying that independently carries out or immersion
Experiment, efficiency are low, high cost；Another aspect automaticity is low, and metric data is manually completed, the personal error for causing also compared with
Greatly.Therefore, for above-mentioned weak point, the present invention devises a kind of full-automatic rock drying and watering cycle and permeameter, it is therefore an objective to
Realization completes alternation of wetting and drying circulation and permeability test on same equipment.
The content of the invention：
The purpose of the present invention is a kind of full-automatic rock drying and watering cycle of design and permeameter.For existing problem, propose
Following design：The equal bracing frame of upper and lower two radians and rotary bearing platform frame being designed first, rock being dried into instrument, expansion is surveyed
A movable rotation nut is designed in the bottom of examination instrument and permeameter etc. operating room, by the appropriate design of three work cell structures
It is installed in the arc frame on top with layout, rock sample is positioned over into the sample holding platform on the rotary bearing platform frame of bottom；Meanwhile,
Linear electric motors and annular generator is designed on upper arcuate frame, is designed with by permanent magnetism camber line guide rail electricity on the rotary bearing platform frame of bottom
Machine.Linear electric motors control moving up and down for upper arcuate frame, annular generator control rock drying instrument, dilatometer and infiltration
The nut rotation of Yi Deng operating rooms bottom, by the driving of the motor, realizes moving up and down for bracing frame and taking for rock sample, forever
Magnetic camber line guide rail Motor drive rotary bearing platform frame is rotated around its center axis.And the whole work of motor and experimental period control
The processes such as system, sensor measurement are all automatically controlled by computer program design, so as to complete to dry on same equipment
Various test functions such as dry, expansion test, penetration testing, mass change measurement, the injection of water in test rely on external hydraulic system
System is completed, and is so moved in circles, you can realization completes drying and watering cycle alternately and permeability test on same equipment.Experiment is all the time
By computer terminal whole process Automatic Control, without manual operation, personal error is reduced, improve work efficiency.The present invention is not only
Test suitable for soft rock and suitable for the physical-property parameter under the conditions of the drying and watering cycle of all kinds of rock mass and same type of material.
With the design of permeameter, full-automatic rock drying and watering cycle includes that three operating rooms (A, B, C) are big with arc frame (5) two
Part.Two large divisions can coordinate sample holding platform (8) to complete whole process of the test with rotary bearing platform frame (18).Three operating rooms are respectively
Infiltration room (A), drying chamber (B), expanding chamber (C).Three operating rooms (A, B, C) separately design and are installed on arc frame (5), side by side
It is uniformly distributed on the same camber line on arc frame, per the distance between two neighboring work chamber axis and bottom rotary bearing platform frame
Distance between upper rock sample axis is equal.Each operating room can annular motor driving under move up and down, annular
Motor drives rotor (4) to constitute by operating room's movable stand driving stator (2) with room movable stand is tested.Coordinate bottom ring simultaneously
The motor-driven movable nut of shape, movable nut drive rotor (7) to be integrated with lower nut.Stator (6) is driven by lower nut
Drive lower nut to drive rotor (7) rotation, sample holding platform (8) is closed by thread contact, both screw thread interoperations can complete rock sample
Extraction and the seal operation of operating room (A, B, C) and sample holding platform (8).
Three through holes (C, C1, C2) are respectively designed with arc frame, for installment work room movable stand (1).Each through hole
Surrounding is provided with one group of pilot hole (a, a1, a2) totally three groups per group four, plays guiding when operating room's movable stand (1) is moved up and down
Effect.Arc frame (5) column is fixed in frame (17), and is driven by arc frame linear drive motor (19), can be moved up and down.
Infiltration room (A) is main to be made up of with annular motor and seal ring (10,11) operating room's movable stand (1), matches somebody with somebody
Close the permeability test data measurement that sample holding platform (8) completes rock sample.Whole arc frame is driven by arc frame linear drive motor (19)
Move up and down, substantially adjust the distance between whole arc frame and sample holding platform.Operating room's movable stand (1) is driven by annular generator again
Fine setting, down moves to sample holding platform (8) place and contacts.It is one overall that movable nut drives rotor (7) with lower nut, by under
Nut drives stator (6) to drive, and coordinates with sample holding platform (8) screw thread, slowly by sample holding platform (8) during movable nut rotation
Carry to operating room, sample holding platform (8) is tightly clasped into operating room (A) eventually through the self-locking action of screw thread, confined space is formed.It is complete
Into after the seal operation of extraction and the operating room of rock sample, hydraulic pressure hand-hole (d) place above operating room's movable stand (1) starts by outer
Portion's hydraulic system injects water into infiltration room, keeps constant after being forced into the pressure needed for test, starts constant head permeability test.Examination
After testing end, whole operating room's movable stand (1) is down moved under the driving of movable stand linear drive motor, by sample holding platform (8)
Be returned in the square groove on rotary bearing platform frame (18), the reversion of movable nut driven by annular generator, operating room (A) with
Sample holding platform (8) is separated gradually, now stays in the rock sample of work interior (A) because the sealing fastening effect of seal ring (10,11) fails
Take out, hydraulic pressure hand-hole (d) place re-injects press water and applies pressure, by the effect of hydraulic pressure above rock sample by rock sample from work
Extrude in room (A).
Drying chamber (B) is mainly by operating room's movable stand (1) and annular motor, heating ceramic inner core (13), convulsion wind
Fan (12) composition, in coordinating sample holding platform (8) to complete drying course, rock sample mass change data are measured.By arc frame linear drives electricity
Machine (19) drives whole arc frame to move up and down, and substantially adjusts the distance between whole arc frame and sample holding platform.Again by annular electro
Machine drives operating room's movable stand (1) fine setting, down moves to sample holding platform (8) place and contacts.Movable nut is driven with lower nut
Dynamic rotor (7) are one overall, drive stator (6) to drive by lower nut, coordinate with sample holding platform (8) screw thread, movable nut rotation
During slowly sample holding platform (8) is above carried to drying chamber (B), sample holding platform (8) is tightly detained eventually through the self-locking action of screw thread
Live in drying chamber (B), forms confined space.After completing the extraction of rock sample and the seal operation of drying chamber (B), drying heating indoor electricity
Circle (14) begins to warm up, and on sample holding platform (8), heating coil begins to warm up, and extractor fan (12) is started working, and thermal current is from bottom
Whole rock sample is surrounded and carries out rock sample drying by sample holding platform porch, and on sample holding platform (8), rock sample quality is become by gravity sensor in real time
Change data transfer to Zhong Kong centers.After off-test, whole operating room's movable stand (1) under the driving of annular motor down
Motion, sample holding platform (8) is returned in the square groove on rotary bearing platform frame (18), by the reversion of movable nut, drying chamber
(B) separated with sample holding platform (8) gradually, the rock sample in drying chamber (B) is taken out together with sample holding platform.
Expanding chamber (C) it is main by operating room's movable stand (1) and annular motor, it is sensor fixed seat (15), scalable
High-precision sensor (16) is constituted, and coordinates sample holding platform (8) to complete rock sample axial direction change in volume data during rock sample expansion test
Measure.Drive whole arc frame to move up and down by arc frame linear drive motor (19), substantially adjust whole arc frame and hold sample
The distance between platform.Operating room's movable stand (1) fine setting is driven by annular generator again, sample holding platform (8) place therewith is down moved to
Contact.It is one overall that movable nut drives rotor (7) with lower nut, drives stator (6) to drive by lower nut, with sample holding platform (8)
Screw thread coordinates, and movable nut is slowly above carried sample holding platform (8) to expanding chamber (C) during rotating, eventually through screw thread from
Sample holding platform (8) is tightly clasped expanding chamber (C) by lock effect, forms confined space.The extraction for completing rock sample is close with expanding chamber (C)
After envelope work, on the upside of operating room, water injection hole (d) starts water filling, and scalable high-precision sensor (16) detect rock sample surface automatically,
And fit with rock sample surface.Real-time detection rock sample axial direction change in volume, and send data to Zhong Kong centers.After off-test,
Whole expanding chamber (C) movable stand (1) is down moved under the driving of annular motor, sample holding platform (8) is returned to rotation and is held
In square groove on stand, by the reversion of movable nut, expanding chamber (C) is separated gradually with sample holding platform (8), expanding chamber (C)
Interior rock sample is taken out together with sample holding platform (8).
Rotary bearing platform frame (18) can be by delivering to the rock sample for finishing test under the driving of permanent magnetism camber line guide rail motor (20)
Next experimental study is carried out under another operating room.To be incited somebody to action by the rotation of rotary bearing platform frame (18) after finishing permeability test
The rock sample for doing infiltration is delivered under drying chamber (B), will be dried and be obtained corresponding by the action of drying chamber (B) by water-saturated state
Test data；Rock sample is delivered to rock expansion after expanding chamber (A) is dried after baking test is finished simultaneously to test and obtain
Corresponding data.Three operating rooms (A, B, C) complete rock sample wetting-drying test data under the cooperation of rotary bearing platform frame (18)
Measure.
The present invention has advantages below：
1st, a kind of full-automatic rock drying and watering cycle of the present invention and permeameter, full-automatic structure design, reduce artificial behaviour
Make step, lift work efficiency, test accuracy is high.
2nd, a kind of full-automatic rock drying and watering cycle of the present invention and permeameter, three operating rooms arc frame side by side, can coordinate work
Work also can individually complete a certain experimental study, be adapted to all kinds of rock mass wetting-drying test researchs, and application is wide.
3rd, a kind of full-automatic rock drying and watering cycle of the present invention and permeameter, compact conformation, small volume.
Description of the drawings：
The full-automatic rock drying and watering cycles of Fig. 1 and permeameter general assembly 3-D view
The full-automatic rock drying and watering cycles of Fig. 2 and permeameter arc frame assembling structure 3-D view
Fig. 3 arc frame structure three-dimensional views
Make room movable stand structure three-dimensional view under Fig. 4
Fig. 5 permeates room assembling section
Fig. 6 drying chamber assembling sections
Fig. 7 expanding chamber assembling sections
Fig. 8 sample holding platforms, rock sample combine 3-D view with rotary bearing platform frame
1- operating rooms movable stand；2- operating rooms movable stand drives stator；3- rock samples；4- operating rooms movable stand drives rotor；
5- arc frames；6- lower nuts drive stator；7- lower nuts drive rotor；8- sample holding platforms；9- fixing bolts；10th, 11- bottom stoppers
Water ring；12- extractor fans；13- heating ceramic inner cores；14- heats electric circle；The scalable high accuracy of 15- sensor fixed seats 16- is passed
Sensor；17- frames；18- rotary bearing platform framves；19- arc frame linear drive motors；20- permanent magnetism camber line guide rail motors
Specific embodiment：
As shown in figs. 1-7, the present invention is a kind of full-automatic rock drying and watering cycle and permeameter.A kind of full-automatic rock dry and wet
Circulation and permeameter, its arc frame column are installed in frame, and drive up and down motion by arc frame linear drive motor.Fine setting
Rotary bearing platform frame (18) so that the sample holding platform (8) and rock sample (3) of rotary bearing platform frame (18) is directed at each operating room (A, B, C).Work
Make room (A, B, C) respectively by operating room movable stand drive stator (2) to drive with rotor (4) to extend downwardly from so that operating room's shifting
Movable nut in moving frame (1) is directed at sample holding platform and contacts.Lower nut drives stator (6) to drive movable nut rotation with rotor (7)
Turn up to lift sample holding platform (8), whole operating room is sealed by screw thread self-locking.Subsequent three operating rooms are respective respectively
Work.
(1) permeate room：After the sealing of infiltration room, constant head permeability test is carried out.When rock sample is inserted in the process of operating room automatically
In, rock sample upper and lower water is stopped by tongs up and down (10,11) in operating room automatically, and constant head pressure is carried by external hydraulic means
For the d mouths injection from above operating room's movable stand (1).Sample holding platform (8) is connected automatically with power contact after operating room's sealing, is held
The inner rheostat measure of water sensor of sample platform (8) is automatically opened up.Measurement amount of seepage, sends data in middle control in real time
The heart.After the completion of test, operating room's movable stand (1) under the driving that operating room's movable stand drives stator (2) moves down, will hold
Sample platform (8) is placed back in the square groove on rotary bearing platform frame, subsequently drives lower nut rotation, operating room's movable stand (1) gradually with
Sample holding platform (8) is separated.Tongs (10,11) is fixed on rock sample in operating room up and down, and external hydraulic means is moved by operating room
D mouths above moving frame (1) apply hydraulic coupling again and slowly extrude rock sample.The process of whole permeability test is completed now.
(2) drying chamber：After sample holding platform (8) and the sealing of drying work room, indoor ceramic core (13) the heating electric circle of drying is certainly
Dynamic heating, while sample holding platform (8) power contact is connected with drying work room, the heating coil on sample holding platform (8) is heated automatically, is dried
Extractor fan (12) above dry chamber operating room movable stand (1) starts drive thermal current and rises from the bottom up, and air-flow surrounds whole rock
Sample, reaches drying effect.Rock sample mass change data in drying course are sent to by mass sensor connection work in real time simultaneously
Zhong Kong centers are until rock sample drying is completed.After drying, operating room's movable stand (1) is down stretched in the presence of stator and rotor is driven
Go out, sample holding platform (8) is placed back in the square groove of rotary bearing platform frame, in the presence of lower nut drives stator and rotor, gradually
Separate with drying chamber, while rock sample also departs from drying chamber therewith, carry out next test link.
(3) expanding chamber：After sample holding platform (8) is sealed with expanding chamber, external hydraulic means is by the d above operating room's movable stand
Porch is injected water in expansion test job room, while indoor scalable high-precision sensor (16) the automatic attaching rock of work
Sample surface, real-time detection rock sample axial direction change in volume, and pass surveyed data back Zhong Kong centers.After completing to expand testing experiment,
Operating room's movable stand (1) is down stretched out in the presence of stator and rotor is driven, and sample holding platform (8) is placed back into rotary bearing platform frame
(18), in square groove, in the presence of lower nut drives stator and rotor, separate with expanding chamber gradually, while rock sample is also therewith
Depart from expanding chamber, carry out next test link.
After being respectively completed above-mentioned three tests, rock sample is replaced by rotary bearing platform frame (18), baking test will be completed
Rock sample replaces to expanding chamber, the rock sample for finishing expansion testing experiment is replaced to drying chamber, or will finish baking test
Rock sample replace to infiltration room under.Such exchange test two-by-two, tests the change of rock sample related data during drying and watering cycle
Change, research rock sample structure change during drying and watering cycle is turned to according to the change of data reference data is provided.
Claims (5)
1. a kind of full-automatic rock drying and watering cycle and permeameter, it is characterised in that by frame, arc frame, sample holding platform, rotary bearing platform
Frame, arc frame linear drive motor, permanent magnetism camber line guide rail motor, infiltration room, drying chamber and expanding chamber composition；Arc frame straight line drives
Galvanic electricity machine is arranged in frame, and arc frame is connected with arc frame linear drive motor one end, by arc frame linear drive motor
Drive the lifting of arc frame；Infiltration room, drying chamber and expanding chamber are installed on arc frame；Permanent magnetism camber line guide rail motor is arranged on machine
Frame periphery, rotary bearing platform frame are arranged on above permanent magnetism camber line guide rail motor, and sample holding platform is installed on rotary bearing platform frame；Rock sample is placed
On sample holding platform, during completing rock sample drying and watering cycle by the rotation of rotary bearing platform frame, rock sample permeates water under constant head pressure
Amount data and in drying course gravity variation data, and in water soak after expansion data measurement.
2. a kind of full-automatic rock drying and watering cycle according to claim 1 and permeameter, it is characterised in that：Described arc
Set up in respect of three through holes, around each through hole, be provided with four pilot holes and four fixed bolt holes.
3. a kind of full-automatic rock drying and watering cycle according to claim 1 and permeameter, it is characterised in that：Described infiltration
Room drives stator 1, operating room's movable stand to drive rotor 1, lower nut to drive stator by operating room's movable stand 1, operating room's movable stand
1st, lower nut drives rotor 1, fixing bolt 1, upper seal ring 1, lower seal ring 1 to constitute；Movable stand 1 outer surface in operating room's is designed with
Screw thread 1 is driven, and is provided with four guided ways 1, operating room's movable stand 1 is distinguished through the through hole 1 on arc frame, four guided ways 1
Through four pilot holes around through hole 1；Operating room's movable stand drives stator 1 to be placed on outside operating room's movable stand 1, and by fixing
Bolt 1 is fixed on arc frame on four fixed bolt holes around through hole 1；Operating room's movable stand drives rotor 1 to be arranged on work
Make room movable stand to drive in stator 1, operating room's movable stand drives rotor 1 and the driving screw thread 1 of 1 outer surface of operating room's movable stand to sting
Close；Upper seal ring 1 and lower seal ring 2 are separately designed and are installed on the upper and lower both sides of 1 inner chamber of operating room's movable stand；Lower nut drives stator
1 downside for being fixed on operating room's movable stand 1, and the outside that lower nut drives rotor 1 is placed on, lower nut drives rotor 1 to be placed on work
Make on the downside of room movable stand 1；Sample holding platform can be by driving 1 rotatable engagement of rotor entirely to be oozed with operating room's movable stand 1 with lower nut
Room sealing thoroughly, it is also possible to rotationally disengage whole operating room's movable stand 1.
4. a kind of full-automatic rock drying and watering cycle according to claim 1 and permeameter, it is characterised in that：The drying chamber
Rotor 2, lower nut is driven to drive stator 2, lower spiral shell by operating room's movable stand 2, operating room's movable stand stator 2, operating room's movable stand
It is female to drive rotor 2, fixing bolt 2, extractor fan, heating ceramic inner core, heating electric circle composition；Operating room's movable stand 2 is designed with
Four guided ways 2,2 surrounding of operating room's movable stand are designed with driving screw thread 1, and upper end is designed with the interface for being available for aqueous vapor to circulate；Work
Make 2 design and installation of room movable stand in the through hole 2 of arc frame, four guided ways 2 pass through the guiding of 2 surrounding of through hole on arc frame
Hole, can move up and down along 2 axis of through hole；Operating room's movable stand drives stator 2 to be fixed on arc frame by fixing bolt 2
On the fixed bolt hole of 2 surrounding of through hole；Operating room's movable stand drives rotor 2 to be placed on the inside that operating room's movable stand drives stator 2,
It is placed on outside operating room's movable stand 2 simultaneously；Extractor fan design and installation is in the top of 2 interior room of operating room's movable stand；Heating electric circle
The inside of embedded heating ceramic inner core, heating ceramic inner core are placed on inside operating room's movable stand 2；Lower nut drives stator 2 to fix
In the downside of operating room's movable stand 2, and it is placed on the outside that lower nut drives rotor 2；Lower nut drives rotor 2 to be placed on operating room's shifting
On the downside of moving frame 2.
5. a kind of full-automatic rock drying and watering cycle according to claim 1 and permeameter, it is characterised in that：Described expansion
Room by operating room's movable stand 3, operating room movable stand stator 3, operating room's movable stand drive rotor 3, lower nut drive stator 3, under
Nut drives rotor 3, fixing bolt 3, sensor fixed seat, scalable high-precision sensor composition；Operating room's movable stand 3
Four guided ways 3 are designed with, movable stand 3 surrounding in operating room's is designed with driving screw thread 3, and upper end is designed with and is available for connecing for aqueous vapor circulation
Mouth 3；In the through hole 3 on arc frame, four guided ways 3 are through through hole 3 on arc frame for 3 design and installation of operating room's movable stand
Four pilot holes of surrounding, can move up and down along the axis of through hole 3；Operating room's movable stand drives stator 3 to pass through fixing bolt 3
It is fixed on arc frame on the fixed bolt hole of 3 surrounding of through hole；Operating room's movable stand drives rotor 3 to be placed on operating room's movable stand and drives
The inside of dynamic stator 3, while be placed on outside operating room's movable stand 3；Sensor fixed seat is designed with limbers, is installed on operating room
The top of movable stand moving frame 3, is connected with the interface 3 of aqueous vapor circulation；Scalable high-precision sensor design and installation is in sensor
The endoporus of fixed seat, and can be flexible along endoporus；Lower nut drives stator 3 to be fixed on the downside of operating room's movable stand 3, and is placed on
Lower nut drives the outside of rotor 3；Lower nut drives rotor 3 to be placed on the downside of operating room's movable stand 3.
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| CN201510224680.XA CN104965056B (en) | 2015-04-28 | 2015-04-28 | Fully automatic rock wet and dry cycle and permeability instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510224680.XA CN104965056B (en) | 2015-04-28 | 2015-04-28 | Fully automatic rock wet and dry cycle and permeability instrument |
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| CN104965056A CN104965056A (en) | 2015-10-07 |
| CN104965056B true CN104965056B (en) | 2017-03-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109459367B (en) * | 2018-11-23 | 2021-04-16 | 成都理工大学 | Infiltration method for realizing multi-field coupling and in-situ dry-wet circulation |
| CN110261579B (en) * | 2019-07-02 | 2024-02-09 | 中交第二公路勘察设计研究院有限公司 | Automatic control rock soil dry-wet circulation test method and device |
| CN111521755A (en) * | 2020-04-29 | 2020-08-11 | 中铁第四勘察设计院集团有限公司 | Testing device and testing method for research on single-side water-soaking disintegration characteristics of mudstone |
| CN113758791B (en) * | 2021-08-03 | 2023-05-05 | 中国电建集团成都勘测设计研究院有限公司 | Method for determining mechanical parameters of rock |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102183454A (en) * | 2011-03-02 | 2011-09-14 | 上海大学 | Unsaturated soil tester for testing deformation of soil sample of clay in real time |
| CN102221601B (en) * | 2011-06-08 | 2013-09-04 | 上海大学 | Temperature-controlled type unsaturated soil consolidometer |
| CN203838145U (en) * | 2014-01-27 | 2014-09-17 | 甘肃省交通科学研究院有限公司 | Quality type geotechnical engineering wetting-drying test device |
| CN104297453B (en) * | 2014-11-03 | 2015-12-09 | 中国地质大学（武汉） | A kind of robotization rock sample wetting-drying test instrument |
| CN104749343B (en) * | 2015-03-17 | 2016-05-25 | 中山大学 | A kind of axle of constant volume controllable temperature is soil expansion force tester radially |
| CN204479451U (en) * | 2015-04-10 | 2015-07-15 | 重庆大学 | A kind of device for rock drying and watering cycle |
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