CN106153234A - Pressure data gathers and processing system and method automatically - Google Patents
Pressure data gathers and processing system and method automatically Download PDFInfo
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- CN106153234A CN106153234A CN201610530857.3A CN201610530857A CN106153234A CN 106153234 A CN106153234 A CN 106153234A CN 201610530857 A CN201610530857 A CN 201610530857A CN 106153234 A CN106153234 A CN 106153234A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
The invention discloses a kind of pressure data automatically to gather and processing system, including loading system and load measuring system；Described loading system includes: forcing press and charger；Described forcing press includes on oil cylinder of press machine, forcing press rigid pressure head under rigid pressure head, forcing press；Described charger includes rigidity upper bed-plate, rigidity die trial and rigidity lower bottom base；Described load measuring system includes: pressure transducer, data logger, Press Control System, data analysis system and automatic control system；Described automatic control system is connected with described data logger, Press Control System, data analysis system respectively.Automaticity of the present invention is high, and test technology is simple, measuring accuracy is high and testing cost is cheap.
Description
Technical field
The present invention relates to Automated condtrol and compunication, data collection and analysis processing technology field, be specifically related to
A kind of pressure data gathers and processing system and method automatically.
Background technology
Worldwide, the method for mining by the way of filling is the inevitable choice of deep mining, and expansion filling material can effectively solve
Certainly more long-standing problems of current filling in mine.It is topmost that turgor pressure is used to weigh expansion filling material expansion character
One of index.The turgor pressure accurately measuring expansion filling material has for the research work carrying out expansion filling material further
Highly important meaning.
At present, less owing to expansion filling material is used for Grouting engineering research as a kind of injecting paste material, especially adopting
Applied research in the filling engineering of ore deposit is not also started to walk, therefore, current to the automatic test of mine expansion filling material turgor pressure
Yet there are no correlational study.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, it is provided that a kind of pressure data gathers and processing system and method automatically.
To expect to be effectively improved the safety and reliability of pressure controller, the accuracy of data analysis.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of pressure data gathers and processing system, automatically including loading system and load measuring system；Described loading
System includes: forcing press and charger；Described forcing press includes on oil cylinder of press machine, forcing press under rigid pressure head, forcing press
Rigid pressure head；Described charger includes rigidity upper bed-plate, rigidity die trial and rigidity lower bottom base；Described rigidity die trial has logical
Hole, described rigidity upper bed-plate is arranged on top in described rigidity die trial through hole, and described rigidity lower bottom base is arranged on the examination of described rigidity
Lower section in mould through hole；It is used for filling filler between described rigidity upper bed-plate and rigidity lower bottom base；Described charger is arranged
On described forcing press under rigid pressure head and described forcing press between rigid pressure head；On described forcing press above rigid pressure head and institute
State oil cylinder of press machine to connect；
Described load measuring system includes: pressure transducer, data logger, Press Control System, data analysis system
System and automatic control system；Described automatic control system is connected with described Press Control System, data analysis system respectively；Institute
The one end stating pressure transducer contacts with rigid pressure head under described forcing press, and the described pressure transducer other end connects described number
According to monitor；Described data logger connects described data analysis system.
Further technical scheme is to be provided with lubricant medium on described rigidity die trial through-hole wall.
Further technical scheme is that described rigidity lower bottom base is provided above a metafiltration paper.
Further technical scheme is that described packing material upper surface is provided with thin film.
Further technical scheme is that described automatic control system includes that forcing press opens control module, pressure transducer
Data acquisition module, static strain data analysis module and data disaply moudle.
Further technical scheme is that described rigidity lower bottom base center has circular hole.
Further technical scheme is that described rigidity upper bed-plate is identical with the radial direction of rigidity lower bottom base and longitudinal size；Institute
State rigidity upper bed-plate and rigidity lower bottom base all with described rigidity die trial matched in clearance.
Further technical scheme be described rigidity die trial external diameter be Φ 150mm, internal diameter is Φ 120mm, and wall thickness is
30mm, a length of 230mm；The diameter of described rigidity upper bed-plate and rigidity lower bottom base is Φ 120, is highly 40mm；Described
The Circularhole diameter of lower bottom base center is 5mm.
Further technical scheme be described filler be pulp consistency 73%, cement-sand ratio 1:4, extender add ratio
Example is the expansion filling material of 8%.
Further technical scheme is to provide a kind of pressure data and automatically gathers and processing method, and described method includes
Following steps:
Step one: utilize signal cable pressure transducer and data logger full-bridge to be linked together；
Step 2: rigidity lower bottom base is placed in rigid pressure head center position under forcing press；
Step 3: rigidity that filter paper is laid in lower bottom base center position；
Step 4: smear lubricant medium at rigidity die trial inwall；
Step 5: rigidity die trial be enclosed within rigidity lower bottom base, makes rigidity die trial and rigidity lower bottom base smooth contact, makes just
Property die trial can the most upper and lower in rigidity lower bottom base move freely；
Step 6: loaded by filler in rigidity die trial, before material to be filled starts to expand, by the table of filler
Face is smooth, the filler upper surface cover film after smooth；
Step 7: the periphery at rigidity upper bed-plate smears lubricant medium, enables rigidity upper bed-plate edge in rigidity die trial
The most upper and lower move freely；Rigidity upper bed-plate is enclosed within rigidity die trial, makes rigidity upper bed-plate and the filling material in rigidity die trial
Material is in close contact；
Step 8: open Press Control System and data logger, the oil that regulation pressure test Oil cylinder runs downwards
Cylinder speed, controls rigid pressure head on forcing press and moves down speed, make rigid pressure head on described forcing press move down, until and rigidity
The upper surface of upper bed-plate is in close contact, and now, stops the movement that on forcing press, rigid pressure head is downward, keeps firm on described forcing press
Property ram position is invariable, and described data logger starts to gather data.
Compared with prior art, one of beneficial effect of the embodiment of the present invention is:
1, the present invention is terse to the test job of mine expansion filling material turgor pressure, and test equipment is small and exquisite flexibly, test
Result is accurate, it is easy to operation, and investment cost is less, it is only necessary to the processing rigid hollow cylinder die trial of specific dimensions, rigid solid circle
The upper and lower base of post, and utilize high-precision pressure testing machine can complete the test job of mine expansion filling material turgor pressure.
2, the device convenient disassembly measuring mine expansion filling material turgor pressure of the present invention, time saving and energy saving, rigid hollow
Cylinder die trial two ends are the upper and lower base of rigid solid cylinder that can move freely, after test job completes, by rigid solid cylinder
Upper bed-plate takes out, and can promote rigid solid cylinder lower bottom base by pressure testing machine, directly by anti-in rigid hollow cylinder die trial
Expansion filling block after should terminating is released, and dismantlement work is very simple, and rigid hollow cylinder die trial and rigid solid are justified
The upper and lower base of post is reusable.
3, the present invention uses high-precision pressure testing machine to carry out stress test work, the built-in pressure sensing of pressure testing machine
Device, pressure transducer directly records axial compressive force data, and test plant automation degree is high, therefore, the test that the present invention uses
The measuring accuracy of expansion filling material turgor pressure is higher.
4, the present invention can measure mine variable concentrations, waterproof mortar in different cement-sand, the expansion filling material of different ratio extender
Turgor pressure, and obtain variable concentrations, waterproof mortar in different cement-sand, different ratio extender expansion filling material turgor pressure in time
The rule of change, for selecting variable concentrations, waterproof mortar in different cement-sand, the expansion filling material of different ratio extender in the actual production of mine
Material provides foundation, is significant the research work carrying out mine expansion filling material further.
Accompanying drawing explanation
Fig. 1 is rigidity upper bed-plate structural representation in one embodiment of the invention.
Fig. 2 is rigidity lower bottom base structural representation in one embodiment of the invention.
Fig. 3 is rigidity die trial structural representation in one embodiment of the invention.
Fig. 4 is expansion filling material turgor pressure test system installation diagram in one embodiment of the invention.
Fig. 5 is expansion filling material turgor pressure measurement system diagram in one embodiment of the invention.
Fig. 6 is that in one embodiment of the invention, expansion filling material turgor pressure changes over curve chart.
Fig. 7 is automation control system structured flowchart in one embodiment of the invention.
Fig. 8 is automation control system control flow chart in one embodiment of the invention.
Description of reference numerals: 1 oil cylinder of press machine, rigid pressure head on 2 forcing presses, 3 rigid solid cylinder upper bed-plates,
4 rigid hollow cylinder die trials, 5 expansion filling materials, rigid pressure head under 6 forcing presses, 7 pressure transducers, 8 rigidity
Solid cylinder lower bottom base, 9 cables, 10 static strain data loggers, 11 Press Control Systems, 12 data analysiss
System, 13 automation control systems.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), unless chatted especially
State, all can be by other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, each feature is only
It it is an example in a series of equivalence or similar characteristics.
Below in conjunction with the accompanying drawings and the detailed description of the invention of the present invention is described in detail by embodiment.
Embodiment 1
As shown in Figures 1 to 7, according to one embodiment of present invention, the open a kind of pressure data of the present embodiment is adopted automatically
Collection and processing system, it includes loading system part and load measuring system part.
Described charger part includes: forcing press and charger；Described forcing press includes oil cylinder of press machine 1, pressure
Rigid pressure head 6 under rigid pressure head 2, forcing press on machine；Described charger includes rigid solid cylinder upper bed-plate 3, rigid hollow
Cylinder die trial 4, rigid solid cylinder lower bottom base 8.
Described load measuring system part include pressure transducer 7, signal cable 9, static strain data logger 10,
Press Control System 11, data analyzer 12, automation control system 13.
Concrete, as shown in Figure 4, in rigid hollow cylinder die trial 4 through hole, it is provided with rigid solid cylinder upper bed-plate 3 He
Rigid solid cylinder lower bottom base 8.
As shown in Figure 1, Figure 2 and Figure 3, described rigid hollow cylinder die trial has through hole, outside rigid hollow cylinder die trial
Footpath Φ 150mm, internal diameter Φ 120mm, wall thickness 30mm, length 230mm, it is real that rigid hollow cylinder die trial is provided with rigidity in through hole
Heart cylinder upper bed-plate, rigid solid cylinder lower bottom base, rigid solid cylinder upper bed-plate, rigid solid cylinder lower bottom base a size of Φ
120 × 40mm, rigid solid cylinder upper bed-plate 3 is identical with the radial direction of rigid solid cylinder lower bottom base 8 and longitudinal size, base chi
Very little for Φ 120 × 40mm；Equipped with the special mine expansion filling material developed between upper bed-plate and lower bottom base；As in figure 2 it is shown,
The through hole of Φ 5mm is opened at the home position of rigid solid cylinder lower bottom base 8.
Further, rigid solid cylinder upper bed-plate 3, rigid solid cylinder lower bottom base 8 and rigid hollow in the present embodiment
Cylinder die trial 4 material is steel material.Described rigid solid cylinder upper bed-plate 3 and rigid solid cylinder lower bottom base 8 are all with just
Property hollow cylinder die trial 4 matched in clearance, the lubricant medium such as coating lubricating oil in rigid hollow cylinder die trial through hole, to reduce rigidity
Frictional resistance between solid cylinder upper bed-plate and rigid solid cylinder lower bottom base and rigid hollow cylinder die trial through hole.
As it is shown in figure 5, described rigid hollow cylinder die trial 4, rigid solid cylinder upper bed-plate 3 and rigid solid cylinder are gone to the bottom
Seat 8 is arranged on forcing press under rigid pressure head 2 and forcing press between rigid pressure head 6；The following table of rigid solid cylinder upper bed-plate 3
Face is in close contact with expansion filling material 5, and the upper surface of rigid solid cylinder upper bed-plate 3 is tight with rigid pressure head on forcing press 2
Contact；The lower surface of rigid solid cylinder lower bottom base 8 is in close contact with rigid pressure head under forcing press 6, and rigid solid cylinder is gone to the bottom
The upper surface of seat 8 is in close contact with expansion filling material 5；One end of pressure transducer 7 connects with rigid pressure head under forcing press 6
Touch, use full-bridge to connect through signal cable 9 and pressure transducer is coupled together with static strain data logger 10.Test
Time, in described rigid hollow cylinder die trial 4, lay layer of plastic film；Lay on the surface of rigid solid cylinder lower bottom base 8
The filter paper 81 of Φ 120mm is a piece of.
As in preferred embodiment, this example, expansion filling material type selects pulp consistency 73%, cement-sand ratio 1:
4, extender adding proportion is the expansion filling material of 8%.
Embodiment 2
As shown in Fig. 5 to Fig. 8, according to another embodiment of the invention, the open a kind of pressure data of the present embodiment is automatic
Gather and processing method, said method comprising the steps of:
Step one: utilize signal cable 9 that pressure transducer 7 and static strain data logger 10, forcing press are controlled system
System 11, data analyzer 12, automation control system 13 full-bridge link together.
Step 2: rigid solid cylinder lower bottom base 8 is placed in rigid pressure head 6 center position under forcing press.
Step 3: by a piece of for Φ 120mm filter paper rigid solid cylinder lower bottom base 8 center position that is laid in, it is mainly made
By the situation being the true filling in simulation mine infiltration drainage.
Step 4: at lubricant mediums such as rigid hollow cylinder die trial 4 inwall coating lubricating oil.
Step 5: rigid hollow cylinder die trial 4 is enclosed within rigid solid cylinder lower bottom base 8, it is ensured that rigid hollow circle
Post die trial 4 and rigid solid cylinder lower bottom base 8 smooth contact, make the rigid hollow cylinder die trial 4 can be under rigid solid cylinder
The most upper and lower in base 8 move freely.
Step 6: configuration pulp consistency 73%, cement-sand ratio 1:4, the expansion filling material of extender adding proportion 8%.
First weigh 325# portland slag cement 200g, mine tailings 800g, extender 16g, measure with graduated cylinder simultaneously
458ml water.Use JJ-5 type planetary cement mortar machine to be stirred, solid filling material is poured in agitator, starts machine
Quickly stir 3min after device low rate mixing 2min, till various solid filling material mixing are uniformly, be subsequently adding test institute
Need use water, for preventing slip in high-speed agitating process from spilling, loss of moist, result of the test is produced error, therefore stirs after adding water
Control mode is Artificial Control, low rate mixing, after mixing time 4min, terminates stirring work.
Then the expansion filling material 5 stirred is loaded in rigid hollow cylinder die trial 4, according to test requirements document, dress
Entering differing heights expansion filling material 5, filling height is between 150mm～190mm；According to expansion filling material dilatancy
Can test studied variable concentrations, waterproof mortar in different cement-sand, the Expansion Regularity character of different ratio extender expansion filling material,
Variable concentrations, different ratio expansion filling material expansion start time different.Therefore, concentration 73%, cement-sand ratio in this example
1:4, the expansion filling material of extender adding proportion 8% need to stand 10min, before treating that expansion filling material 5 starts to expand,
By the surfacing of expansion filling material 5, the expansion filling material 5 upper surface covered with plastic film after smooth.
Step 7: at the lubricant medium such as periphery coating lubricating oil of rigid solid cylinder upper bed-plate 3, make rigid solid cylinder
Upper bed-plate 3 can the most upper and lower in rigid hollow cylinder die trial 4 move freely；Rigid solid cylinder upper bed-plate 3 is enclosed within
Within rigid hollow cylinder die trial 4, make rigid solid cylinder upper bed-plate 3 and the expansion filling material in rigid hollow cylinder die trial 4
Material 5 close contact.
Step 8: automation control system opens Press Control System 11 and static strain data logger 10, passes through
The oil cylinder speed that pressure testing machine control station regulation oil cylinder of press machine 1 runs downwards, on control forcing press, rigid pressure head 2 is to moving down
Dynamic speed, is allowed to slowly move down, until being in close contact with the upper surface of rigid solid cylinder upper bed-plate 3, now, stops forcing press
The movement that upper rigid pressure head 2 is downward, keeps its position invariable, and static strain data logger 10 starts to gather data.
Step 9: As time goes on, the volume of expansion filling material 5 starts gradually to expand, due to empty by rigidity
The radial constraint of heart cylinder die trial 4, therefore, expansion filling material 5 will produce continual pressure in the axial direction, in the axial direction
Promote the rigid solid cylinder upper bed-plate 3 in rigid hollow cylinder die trial and rigid solid cylinder lower bottom base 8, now, due to just
Property solid cylinder upper bed-plate 3 and rigid solid cylinder lower bottom base 8 are squeezed, rigid solid cylinder upper bed-plate 3 and rigid solid
Static answering is recorded and be transferred to by signal cable to the bulbs of pressure data that cylinder lower bottom base 8 is subject to by pressure transducer 7
Becoming data logger 10, data analysis system does data analysis, thus obtains the turgor pressure of expansion filling material.Work as expansion filling
When material 5 is reacted to the later stage, turgor pressure rate of rise is gradually reduced, and when turgor pressure tends to be steady, assert that reaction terminates, slip
Concentration 73%, cement-sand ratio 1:4, extender adding proportion 8% expansion filling material the time dependent situation of turgor pressure such as
Shown in Fig. 6.
Preferably, the present embodiment pressure data gathers automatically and processing method also includes when opening forcing press appearance unlatching event
During barrier, automation control system is automatically stopped unlatching, and carries out sound and light alarm step.
Preferably, the present embodiment pressure data gathers automatically and processing method also includes going out when pressure transducer gathers data
When now gathering fault, automation control system is automatically stopped collection, and carries out sound and light alarm step.
Preferably, the present embodiment pressure data gathers automatically and processing method also includes when static strain data logger is remembered
When record fault occurs in record expansion data, automation control system is automatically stopped record, and carries out sound and light alarm step.
Preferably, the present embodiment pressure data gathers automatically and processing method also includes when data analysis system analysis expands
Data, record turgor pressure when there is data exception, and automation control system is automatically stopped analysis, and carries out sound and light alarm step.
Above-described embodiment pressure data gathers automatically and processing system and method automaticity are high, test technology is simple,
Measuring accuracy is high and testing cost is cheap.The safety and reliability of pressure controller can be effectively improved, data analysis accurate
Property.
" embodiment ", " another embodiment ", " embodiment " spoken of in this manual etc., refer to combine
Specific features, structure or the feature that this embodiment describes is included at least one embodiment that the application generality describes.
The most multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, it is understood that combine arbitrary
When individual embodiment describes a specific features, structure or feature, to be advocated is, and to combine other embodiments this to realize
Feature, structure or feature also fall within the scope of the present invention.
Although reference be made herein to invention has been described for the multiple explanatory embodiment invented, however, it is to be understood that this
Skilled person can be designed that a lot of other amendments and embodiment, and these amendments and embodiment will fall in the application
Within disclosed spirit and spirit.More specifically, in the range of disclosure claim, can be to theme group
Building block and/or the layout of closing layout carry out multiple modification and improvement.Except the modification that building block and/or layout are carried out
Outside improving, to those skilled in the art, other purposes also will be apparent from.
Claims (10)
1. pressure data gathers and a processing system automatically, including loading system and load measuring system；It is characterized in that: institute
The loading system stated includes: forcing press and charger；Described forcing press include rigid pressure head on oil cylinder of press machine, forcing press,
Rigid pressure head under forcing press；Described charger includes rigidity upper bed-plate, rigidity die trial and rigidity lower bottom base；Described rigidity die trial
Having through hole, described rigidity upper bed-plate is arranged on top in described rigidity die trial through hole, and described rigidity lower bottom base is arranged on described
Lower section in rigidity die trial through hole；It is used for filling filler between described rigidity upper bed-plate and rigidity lower bottom base；Described adding, carries
Put and be arranged on described forcing press under rigid pressure head and described forcing press between rigid pressure head；On described forcing press on rigid pressure head
Square and described oil cylinder of press machine is connected；
Described load measuring system includes: pressure transducer, data logger, Press Control System, data analysis system and
Automatic control system；Described automatic control system is connected with described Press Control System, data analysis system respectively；Described pressure
One end of force transducer contacts with rigid pressure head under described forcing press, and the described pressure transducer other end connects described data note
Record instrument；Described data logger connects described data analysis system.
Pressure data the most according to claim 1 gathers and processing system automatically, it is characterised in that described rigidity die trial
Lubricant medium it is provided with on through-hole wall.
Pressure data the most according to claim 1 gathers and processing system automatically, it is characterised in that described rigidity is gone to the bottom
Seat is provided above a metafiltration paper.
Pressure data the most according to claim 1 gathers and processing system automatically, it is characterised in that described packing material
Upper surface is provided with thin film.
Pressure data the most according to claim 1 gathers and processing system automatically, it is characterised in that described automatically controls
System includes that forcing press opens control module, pressure sensor data acquisition module, static strain data analysis module and number
According to display module.
Pressure data the most according to claim 1 gathers and processing system automatically, it is characterised in that described rigidity is gone to the bottom
Seat center has circular hole.
Pressure data the most according to claim 1 and 2 gathers and processing system automatically, it is characterised in that in described rigidity
Base is identical with the radial direction of rigidity lower bottom base and longitudinal size；Described rigidity upper bed-plate and rigidity lower bottom base all try with described rigidity
Die clearance coordinates.
Pressure data the most according to claim 6 gathers and processing system automatically, it is characterised in that described rigidity die trial
External diameter is Φ 150mm, and internal diameter is Φ 120mm, and wall thickness is 30mm, a length of 230mm；Described rigidity upper bed-plate and rigidity lower bottom base
Diameter be Φ 120, be highly 40mm；The Circularhole diameter of described lower bottom base center is 5mm.
Pressure data the most according to claim 1 gathers and processing system automatically, it is characterised in that described filler
It is the expansion filling material of 8% for pulp consistency 73%, cement-sand ratio 1:4, extender adding proportion.
10. a pressure data gathers and processing method automatically, it is characterised in that: described method comprises the following steps:
Step one: utilize signal cable pressure transducer and data logger full-bridge to be linked together；
Step 2: rigidity lower bottom base is placed in rigid pressure head center position under forcing press；
Step 3: rigidity that filter paper is laid in lower bottom base center position；
Step 4: smear lubricant medium at rigidity die trial inwall；
Step 5: rigidity die trial be enclosed within rigidity lower bottom base, makes rigidity die trial and rigidity lower bottom base smooth contact, makes rigidity try
Mould can the most upper and lower in rigidity lower bottom base move freely；
Step 6: loaded by filler in rigidity die trial, before material to be filled starts to expand, puts down the surface of filler
Whole, after smooth filler upper surface cover film；
Step 7: the periphery at rigidity upper bed-plate smears lubricant medium, enable rigidity upper bed-plate in rigidity die trial vertically
Upper and lower move freely；Rigidity upper bed-plate is enclosed within rigidity die trial, makes rigidity upper bed-plate tight with the filler in rigidity die trial
Contiguity is touched；
Step 8: open Press Control System and data logger, the oil cylinder speed that regulation pressure test Oil cylinder runs downwards
Rate, controls rigid pressure head on forcing press and moves down speed, make rigid pressure head on described forcing press move down, until with the end in rigidity
The upper surface of seat is in close contact, and now, stops the movement that on forcing press, rigid pressure head is downward, keeps rigidity pressure on described forcing press
Head position is invariable, and described data logger starts to gather data.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389449A (en) * | 2017-08-03 | 2017-11-24 | 中南大学 | A kind of filling in mine material compression property experimental provision and its experimental method |
| CN108072678A (en) * | 2017-12-25 | 2018-05-25 | 合肥仁创铸造材料有限公司 | A kind of organic and inorganic sand high temperature resistance test equipment |
| CN117007446A (en) * | 2023-07-24 | 2023-11-07 | 江汉大学 | Stress loading device and method for light air cannon and Hopkinson bar experiment |
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