CN101863075A - Sample preparing and demoulding integrated instrument - Google Patents
Sample preparing and demoulding integrated instrument Download PDFInfo
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- CN101863075A CN101863075A CN 201010184913 CN201010184913A CN101863075A CN 101863075 A CN101863075 A CN 101863075A CN 201010184913 CN201010184913 CN 201010184913 CN 201010184913 A CN201010184913 A CN 201010184913A CN 101863075 A CN101863075 A CN 101863075A
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- demoulding integrated
- demoulding
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Abstract
The invention discloses a sample preparing and demoulding integrated instrument. The integrated instrument at least comprises a driving mechanism, a transmission mechanism, a base and a material loading die which is arranged on the base, wherein an upper pressure plate is arranged above the material loading die; a lower pressure plate is arranged below the material loading die; and both the upper pressure plate and the lower pressure plate are connected with the transmission mechanism. The integrated instrument has the advantages of capability of preparing a plurality of test pieces at the same time, and realizing a mode of bidirectional vertical pressurization, simple operation and using, certain automation degree, convenient maintaining, capability of preparing geotechnical samples with higher density and uniform water content, and high efficiency of sample preparation.
Description
Technical field
The present invention relates to a kind of sample preparing and demoulding integrated instrument, this instrument is a manipulated soil sample preparation instrument.
Background technology
Since modern age, soil mechanics proposed principle of effective stress from nineteen twenty-three K.Terzaghi, obtained significant progress.1963, Roscoe proposed famous Cambridge model at clay and has then pushed the research of soil mechanics to new climax, had also opened the gate of modern soil mechanics research simultaneously.The generation of soil mechanics, development are actually on the basis that is based upon test, and especially early stage laboratory test is that solid foundation has been established in the theoretical research of follow-up soil mechanics.And laboratory test at first must solve the sample preparation problem: density, the test specimen that water content is even, smooth.Layering compacting process and unidirectional static pressure method because the soil sample stress is inhomogeneous, on root, can not make even soil sample.
The defective that existing method exists is summarized as follows: (1) density, water content are inhomogeneous, out-of-flatness; (2) it is serious to hit real noise pollution, other people operate as normal of vibration effect; (3) can't automatic demoulding; (4) the sample preparation spended time is long, inefficiency; (5) manual work can't guarantee precision, causes the test result otherness very big; (6) can not guarantee the uniformity of the mechanics index of physics of parallel test specimen; (7) automaticity is very low, relies on manual work fully; A kind of sample preparation of (8) one cover machines causes extreme waste; (9) after sample preparation finished, mechanics index of physics test forefathers were big for disturbance; (10) the test result comparativity is poor, poor repeatability.These remain the difficult problem of a generality, are badly in need of capturing.
Summary of the invention
For preparing the sample that meets the demands, the invention provides a kind of sample preparing and demoulding integrated instrument, a plurality of test specimens that this instrument can be made simultaneously, realize two-way vertical pressuring method, not only manipulate simply, have certain automaticity, be convenient to maintaining, also can prepare density than big and density, the uniform geotechnological sample of water content, and sample preparation efficient height.
Realize that the technical scheme that goal of the invention adopted is a kind of sample preparing and demoulding integrated instrument, at least comprise driving mechanism, transmission mechanism and base, and be installed in charge mould on the base, the above and below of charge mould is respectively equipped with top board and lower platen, and top board all links to each other with transmission mechanism with lower platen.
Described charge mould is two or more.The charge mould is installed on the base by anchor clamps.
Described anchor clamps comprise clamp body, screw mandrel, support member and handwheel, and an end of screw mandrel is connected with clamp body, and handwheel is installed on the other end of screw mandrel, and the screw mandrel middle part is set with support member.
The cross sectional shape of described top board and lower platen all is complementary with the hollow sectional shape of mould.
Be separately installed with the upper position sensor and the upper/lower positions sensor that detect its position on described top board and the lower platen.
Described upper and lower position sensor is controlled by controller, is equipped with on the controller to be used to show the display of controlling parameter.
Described transmission mechanism is mechanical transmission mechanism, Electrified Transmission mechanism or fluid transmission mechanism.
As shown from the above technical solution, sample preparing and demoulding integrated instrument provided by the invention is realized two-way vertical pressuring method by last press mechanism and press mechanism, the shape of top board and lower platen and the mold shape of hollow coupling, thereby can prepare difform geotechnological sample, detect the position of going up press mechanism and press mechanism by position sensor, therefore can control automatic demoulding.
Sample preparing and demoulding integrated instrument provided by the invention has following characteristics:
(1) this instrument has adopted two-way mechanical type control mode, make sample reach evenly stressed effect of both direction, rather than the single load bearing mode that adopts in the conventional method, therefore can solve the ubiquitous non-uniformity problems of index such as test sample preparation density, water content preferably, and test specimen out-of-flatness problem;
(2) preferably resolve scale charge problem, utilize this instrument can realize mass production, save time and manpower, raise the efficiency;
(3) solve release problems completely, avoided the later stage disturbance;
(4) noise-less pollution, friction can not influence other people operate as normal;
(5) mechanization operation guarantees precision, and the test result comparativity is strong, favorable repeatability;
(6) can guarantee the uniformity of the mechanics index of physics of parallel test specimen;
(7) controller is communicated with display, realize the demonstration of every state parameters such as test specimen presetting length, compaction force, amount of compaction (going up the pressurization distance of lower platen), compacting speed, dwell time, good alternating interface between man and computer will make the preparation of test specimen be more prone to;
(8) going up lower platen and charge mould can change at any time, and the cooperation external member can be made the test specimen of different size, shape etc.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Fig. 2 is the A-A profile of Fig. 1.
Among the figure: 1. fuel tank, 2. fluid pressure line, 3. overflow valve, 4. three position four-way electromagnetic valve, 5. choke valve, 6. two-bit triplet magnetic valve A, 7. two-bit triplet magnetic valve B, 8. 2/2-way magnetic valve, 10. accumulator, 11. pressure switch, 12. hydralic pressure gauges, 13. hydraulic pumps, 14. times hydraulic cylinders, 15. the upper/lower positions sensor, 16. lower platens, 17, clamp body, 18. the charge mould, 19. top boards, 20. upper position sensor, hydraulic cylinder on 21., 22. handwheel, 23. support members, 24. controllers, 25. screw mandrels.
The specific embodiment
As shown in Figure 1, this sample preparing and demoulding integrated instrument, at least comprise driving mechanism, the transmission mechanism of drive mechanism, base, and be installed in charge mould 18 on the base, the specification of charge mould 18 can be changed according to different requirements at any time with shape, the preparation different size, with difform test specimen, as cylinder, cake, square column, side's cake, hexagonal prismoid, anistree prism or the like, charge mould 18 can be for two or more, two or more charge mould 18 parallel being in juxtaposition, step up and be installed on the base by anchor clamps, anchor clamps comprise clamp body 17, screw mandrel 25, support member 23 and handwheel 22, an end of screw mandrel 25 is connected with clamp body 17, and handwheel 22 is installed on the other end of screw mandrel 25, screw mandrel 25 middle parts are set with support member 23, make clamp body 17 unclamp and step up by rotating handwheel 22.By shown in Figure 2, the above and below of charge mould 18 is respectively equipped with top board 19 and lower platen 16, and the cross sectional shape of top board 19 and lower platen 16 all is complementary with the hollow sectional shape of mould.Top board 19 all links to each other with transmission mechanism with lower platen 16, and transmission mechanism can be mechanical transmission mechanism, Electrified Transmission mechanism or fluid transmission mechanism.Transmission mechanism in the present embodiment is a hydraulic gear; last hydraulic cylinder 21, following hydraulic cylinder 14 are formed the driving mechanism that drives hydraulic gear with hydraulic pump 13 and fuel tank 1; hydraulic pump 13 is connected with hydralic pressure gauge 12; show the pressure size; in order to protect fluid pressure line 2, pressure switch 11 and accumulator 10 also are installed, in the system for control hydraulic circuit pressure size is provided with overflow valve 3; flowing velocity for liquid in the control hydraulic circuit is provided with choke valve 5.Be separately installed with the upper position sensor 20 and the upper/lower positions sensor 15 that detect its position on top board 19 and the lower platen 16.The upper and lower position sensor is by controller 24 its work of control, the electric situation that gets by controller control three position four-way electromagnetic valve 4, two-bit triplet magnetic valve A6, two-bit triplet magnetic valve B7,2/2-way magnetic valve 8 makes lower platen 16 location and work, the state parameter of this instrument work all can show that the display of controlling parameter controls and show by being used to of installing on the controller, and specifically comprises compaction force, amount of compaction, compacting speed, dwell time etc.
At the sample preparing and demoulding integrated instrument that uses the present invention to propose, at first opening power is opened hydraulic pump 13, parameters such as the compacting amount of feeding, compaction force size is set by controller 24.This moment, top board 19 was in the limes superiors position, and lower platen 16 is in the limit inferior position.
During the location, the orderly dead electricity that gets of controller 24 control magnetic valves, lower platen 16 begins to move up, position sensor detects the position of lower platen 16 simultaneously, give controller 24 with detected signal feedback, controller 24 judges according to the signal of sensor whether the plane overlaps with the mould lower plane on the lower platen, controls lower platen in view of the above and be to continue feeding or stop.Top board 19 does not also begin action.
A certain amount of material is packed in the mould.Then, the electric situation that gets of controlling three position four-way electromagnetic valves 4, two-bit triplet magnetic valve A6, two-bit triplet magnetic valve B7,2/2-way magnetic valve 8 by controller 24 makes top board 19 begin the location, and position fixing process is with lower platen 16.
After upper and lower pressing plate is had good positioning, begin while, constant speed, advance in opposite directions, parameters such as compaction force, amount of compaction, compacting speed, dwell time have been set when start.Concrete operations are by controller 24 control three position four-way electromagnetic valves 4, two-bit triplet magnetic valve A6, two-bit triplet magnetic valve B7,2/2-way magnetic valve 8, overflow valve 3, choke valve 5 (the flowing velocity of liquid in the control hydraulic circuit, control compacting speed indirectly) realize, concrete that dead electricity sees Table 1 in proper order.Be compacted to after the amount of setting, carry out pressurize a period of time, controller control magnetic valve is pressed table 1 " pressurize " action, realizes pressurize a period of time.
Knockout course.Control each magnetic valve by controller.At first, top board moves upward (speed is very fast) to its upper limit position, lower platen 16 move up simultaneously (speed is slower), reach its upper limit until top board, lower platen 16 ejects mould fully with the test specimen of compacting, takes test specimen away, and concrete position probing is realized by sensor.
Reseting procedure.Control each magnetic valve by controller, by table 1 action that " resets ".Lower platen 16 moves downward until its lower position.Each several part restPoses.
Power supply is turned off in shutdown.Unload lower platen and mould, clean.In order to entering next operation.
Table 1 magnetic valve sequence of movement table
Claims (9)
1. sample preparing and demoulding integrated instrument, at least comprise driving mechanism, transmission mechanism and base, and be installed in charge mould on the base, and it is characterized in that: the upper and lower of charge mould correspondence respectively is provided with top board, lower platen, and top board all links to each other with transmission mechanism with lower platen.
2. sample preparing and demoulding integrated instrument according to claim 1 is characterized in that: the charge mould is two or more.
3. sample preparing and demoulding integrated instrument according to claim 1 and 2, it is characterized in that: base is provided with anchor clamps, and the charge mould is installed on the base by anchor clamps.
4. sample preparing and demoulding integrated instrument according to claim 3 is characterized in that: anchor clamps comprise clamp body, screw mandrel, support member and handwheel, and an end of screw mandrel is connected with clamp body, and handwheel is installed on the other end of screw mandrel, and the screw mandrel middle part is set with support member.
5. sample preparing and demoulding integrated instrument according to claim 1 is characterized in that: the cross sectional shape of top board and lower platen all is complementary with the hollow sectional shape of mould.
6. sample preparing and demoulding integrated instrument according to claim 1 or 5 is characterized in that: be separately installed with the upper position sensor and the upper/lower positions sensor that detect its position on top board and the lower platen.
7. sample preparing and demoulding integrated instrument according to claim 6 is characterized in that: the upper and lower position sensor is controlled by controller, is equipped with on the controller to be used to show the display of controlling parameter.
8. sample preparing and demoulding integrated instrument according to claim 1 is characterized in that: transmission mechanism is mechanical transmission mechanism, Electrified Transmission mechanism or fluid transmission mechanism.
9. according to claim 1 or 8 described sample preparing and demoulding integrated instruments, it is characterized in that: driving mechanism is made up of upper and lower hydraulic cylinder, hydraulic pump and fuel tank, and transmission mechanism is a hydraulic gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101849135A CN101863075B (en) | 2010-05-21 | 2010-05-21 | Sample preparing and demoulding integrated instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101849135A CN101863075B (en) | 2010-05-21 | 2010-05-21 | Sample preparing and demoulding integrated instrument |
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| CN101863075A true CN101863075A (en) | 2010-10-20 |
| CN101863075B CN101863075B (en) | 2012-02-29 |
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| CN2010101849135A Expired - Fee Related CN101863075B (en) | 2010-05-21 | 2010-05-21 | Sample preparing and demoulding integrated instrument |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476399A (en) * | 2010-11-29 | 2012-05-30 | 中交第一公路工程局有限公司 | Cover mould device with unconfined compression strength for inorganic binder |
| CN104359710A (en) * | 2014-11-13 | 2015-02-18 | 东北大学 | Automatic-demoulding molten steel sampler and use method thereof |
| CN104786361A (en) * | 2015-04-16 | 2015-07-22 | 广州市标力建材科技股份有限公司 | Building prefabricated member machining method |
| CN105842032A (en) * | 2016-05-10 | 2016-08-10 | 广东工业大学 | Soil sample moulding and demoulding device |
| CN108978617A (en) * | 2018-07-23 | 2018-12-11 | 绍兴文理学院 | A kind of three axis sample sample preparation technique of parallel Intelligent pressing |
| CN109238796A (en) * | 2018-07-23 | 2019-01-18 | 绍兴文理学院 | A kind of three axis sample sample preparation devices of Bidirectional-pressure |
| CN110567778A (en) * | 2019-10-08 | 2019-12-13 | 宁夏大学 | Standard remolded soil sample bidirectional sample pressing device and method |
| CN110618005A (en) * | 2019-09-06 | 2019-12-27 | 山东科技大学 | Preparation device and preparation method for similar simulation material cylindrical standard test piece |
| CN113686640A (en) * | 2021-09-03 | 2021-11-23 | 沈阳工业大学 | Device of mould making and drawing of patterns integration |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476399B (en) * | 2010-11-29 | 2014-08-06 | 中交第一公路工程局有限公司 | Cover mould device with unconfined compression strength for inorganic binder and method thereof |
| CN102476399A (en) * | 2010-11-29 | 2012-05-30 | 中交第一公路工程局有限公司 | Cover mould device with unconfined compression strength for inorganic binder |
| CN104359710A (en) * | 2014-11-13 | 2015-02-18 | 东北大学 | Automatic-demoulding molten steel sampler and use method thereof |
| CN104359710B (en) * | 2014-11-13 | 2017-04-05 | 东北大学 | A kind of automatic demoulding molten steel sampler and its using method |
| CN104786361A (en) * | 2015-04-16 | 2015-07-22 | 广州市标力建材科技股份有限公司 | Building prefabricated member machining method |
| CN105842032B (en) * | 2016-05-10 | 2019-03-05 | 广东工业大学 | A kind of soil sample molding and stripper apparatus |
| CN105842032A (en) * | 2016-05-10 | 2016-08-10 | 广东工业大学 | Soil sample moulding and demoulding device |
| CN108978617A (en) * | 2018-07-23 | 2018-12-11 | 绍兴文理学院 | A kind of three axis sample sample preparation technique of parallel Intelligent pressing |
| CN109238796A (en) * | 2018-07-23 | 2019-01-18 | 绍兴文理学院 | A kind of three axis sample sample preparation devices of Bidirectional-pressure |
| CN109238796B (en) * | 2018-07-23 | 2020-11-03 | 绍兴文理学院 | Two-way pressurized triaxial sample preparation device |
| CN110618005A (en) * | 2019-09-06 | 2019-12-27 | 山东科技大学 | Preparation device and preparation method for similar simulation material cylindrical standard test piece |
| CN110618005B (en) * | 2019-09-06 | 2022-04-29 | 山东科技大学 | Preparation device and preparation method for similar simulation material cylindrical standard test piece |
| CN110567778A (en) * | 2019-10-08 | 2019-12-13 | 宁夏大学 | Standard remolded soil sample bidirectional sample pressing device and method |
| CN110567778B (en) * | 2019-10-08 | 2023-06-20 | 宁夏大学 | Standard remolded soil sample bidirectional sample pressing device and method |
| CN113686640A (en) * | 2021-09-03 | 2021-11-23 | 沈阳工业大学 | Device of mould making and drawing of patterns integration |
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| Publication number | Publication date |
|---|---|
| CN101863075B (en) | 2012-02-29 |
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