CN104807978A - Soil sample dry and wet circulating test instrument - Google Patents
Soil sample dry and wet circulating test instrument Download PDFInfo
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- CN104807978A CN104807978A CN201510252950.8A CN201510252950A CN104807978A CN 104807978 A CN104807978 A CN 104807978A CN 201510252950 A CN201510252950 A CN 201510252950A CN 104807978 A CN104807978 A CN 104807978A
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Abstract
The invention provides a soil sample dry and wet circulating test instrument. The test instrument at least comprises a bracket, and a lifting mechanism, a saturated component and a constant-temperature evaporating component, which are fixed to the bracket, wherein the constant-temperature evaporating component is positioned above the saturated component; a soil sample turning mechanism is arranged in the saturated component; the lifting mechanism is used for driving a pedestal to move up and down along the vertical direction; the soil sample turning mechanism comprises the pedestal, two slide rails and more than two supporting plates; the slide rails are fixed to the pedestal; the supporting plates are arranged on the two slide rails; the pedestal is a rectangular square frame; the shape of the two slide rails is the same; each of the two slide rails is shaped like a wavy line; the two ends of the slide rails are respectively arranged on two short sides of the pedestal; a slide block is arranged at each of the two ends of each supporting plate; the supporting plates are arranged on the slide rails through the slide blocks and can slide along the slide rails. According to the soil sample dry and wet circulating test instrument provided by the invention, a soil sample can be turned by the soil sample turning mechanism, so that the soil sample is guaranteed to be more uniform and full in dryness and saturation; the test instrument can treat a plurality of soil samples at one time, the consumed time is little, and the efficiency is high.
Description
Technical field
The present invention relates to a kind of soil sample wetting-drying test instrument, belong to the dynamic balancing measurement field of Geological Engineering rock and soil properties.
Background technology
Under physical environment, the soil body is under the effect of physics, chemistry and the biodynes such as long-term rainfall and vaporization cycle replace, the mechanical property of material of rock and soil is weakened gradually, produce even crack, crack, in order to study the Changing Pattern of the mechanical property of soil sample, need simulation the Nature condition, the change of the observation soil body its physico-mechanical properties after repeatedly drying and watering cycle.
In order to study the reduction rule of soil body intensive parameter under drying and watering cycle effect, need to carry out repeatedly drying and watering cycle operation to specimen sample.In the wetting-drying test of soil sample, the drying of sample and saturated be two important links, saturation element is easy to realize, but the dehumidification link short time consumption of sample is long, and disturbing factor is many, how to allow the even dehumidification of sample, is a difficult problem in testing.
Chinese patent (application number: 201210542086.1) " have lotus soil under action work test specimen wetting-drying test instrument " and disclose and a kind of wetting-drying test instrument, this wetting-drying test instrument comprises testing table, be arranged at the geotechnological test specimen three lobe mould on testing table, in geotechnological test specimen three lobe mould, test specimen applies the charger of vertical pressure and the heating arrangement to test specimen heating in geotechnological test specimen three lobe mould, it passes through charger, water vat and heating arrangement, realize the drying and watering cycle change of simulating the soil body in the loaded state, to strength retrogression's rule research experiment of geotechnological test specimen, this device weak point is that this appliance requires test specimen is in three lobe moulds, specimen height is large, top and bottom can not adjust, thus it is uneven to make sample evaporation produce, and heating system temperature is non-adjustable, this equipment can not solve once the problem of multiple specimen test, Chinese patent (application number: 201410610585.9) " a kind of robotization rock sample wetting-drying test instrument " discloses a kind of robotization rock sample wetting-drying test instrument, this instrument comprises the air-dry mechanism of heating, drying and watering cycle mechanism and elevating mechanism, the automatic drying of rock sample and saturated can be realized, but rock sample all cannot turn-over in dry and saturation history, therefore bone dry and saturated short time consumption long.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, and provide a kind of wetting-drying test instrument realizing soil sample turn-over, this wetting-drying test instrument can the multiple soil sample of disposable process, consuming time less, efficiency is high.
Realizing the technical scheme that the object of the invention adopts is, a kind of soil sample wetting-drying test instrument, at least comprise support, the elevating mechanism be fixed on support, saturated assembly and evaporation at constant temperature assembly, and the support plate for placing soil sample to be driven by elevating mechanism, evaporation at constant temperature assembly is positioned at above saturated assembly, be provided with soil sample turn-over mechanism in saturated assembly, support plate is arranged in soil sample turn-over mechanism, described soil sample turn-over mechanism comprises base, be fixed on two one slide rails on base and more than 2 support plates be installed on two one slide rails, described base comprises two support bars be parallel to each other, two one slide rail shapes are identical and all in wave line style, the two ends of slide rail are installed on two support bars respectively, described support plate is made up of the porous disc for placing soil sample and two poles of being fixed on porous disc, two poles are individually fixed in porous disc two ends and are parallel to each other, the end sleeve of pole to be located on slide rail and can be slided along slide rail, elevating mechanism is connected with base and drives base vertically to move up and down.
Described base is rectangular box, and two minor faces of base are equipped with chute, and the two ends of slide rail are equipped with bayonet socket, and slide rail to be installed on two minor faces of base by bayonet socket and can along slide.
The minor face of described base and slide rail are equipped with scale, and slide rail is provided with position limiting clamp.
The number of described support plate is the twice of the wave number of wave line style slide rail, and porous disc is permeable stone.
Described pole is expansion link, and strut ends is provided with slide block, and slide block set is located on slide rail, and expansion link is installed on slide rail by slide block.
Described evaporation at constant temperature assembly comprises straight tube and is evenly fixed on more than 2 heater elements be parallel to each other on straight tube barrel medial surface, each heater element is all in series with power switch, the thermometer that straight tube is provided with band Presentation Function and the attaching plug be electrically connected with each power switch.
Described saturated assembly comprises the geneva bottle for holding percolate and is with the saturated cylinder of tapping valve, and saturated cylinder is communicated with geneva bottle by the pipeline of band valve, and soil sample turn-over mechanism is arranged in saturated cylinder.
As shown from the above technical solution, soil sample wetting-drying test instrument provided by the invention, be provided with in saturated assembly for soil sample turn-over, realize evenly dry and saturated soil sample turn-over mechanism, elevating mechanism controls soil sample turn-over mechanism and moves up and down, thus drive soil sample to enter to carry out in the saturated cylinder of saturated assembly or evaporation at constant temperature assembly saturated or dry, the main body of soil sample turn-over mechanism is two wave line style slide rails be parallel to each other, slide rail is provided with the support plate that can slide along slide rail, pending soil sample is positioned on the porous disc of support plate, the turn-over of each soil sample has been coordinated by two support plates, after soil sample turn-over mechanism puts into saturated cylinder, the position of adjustment support plate makes support plate upper surface flush with the water surface of percolate in saturated cylinder, and guarantee in the ascent stage that support plate is all positioned at wave line style slide rail and descending branch, soil sample is carried out saturated under capillary action, during turn-over, distance is placed with the nearest idle support plate of the support plate of soil sample along track sliding to the top of support plate being placed with soil sample, two board clamping soil samples jointly slide to subsequently with the support plate position being placed with soil sample close in ascent stage or descending branch, soil sample another side contact with percolate carry out saturated, operate the same when carrying out drying in evaporation at constant temperature assembly, due to soil sample equal turnable in dry and saturation history, therefore dry and saturated evenly and abundant, and the entirety time greatly shorten.
Slide rail is fixed in rectangular box, and rectangular box can ensure the Stability Analysis of Structures of soil sample turn-over mechanism, reduces the deformation of soil sample turn-over mechanism slide rail in moving process; Two minor faces of base are equipped with chute, slide rail can along slide, the pole connecting porous disc and slide rail is expansion link, above structure ensures that two slide rail spacing are adjustable, when quality of soil sample is larger, institute can reduce two slide rail spacing strut lengths is reduced, thus reduce even to eliminate pole amount of deflection, avoid soil sample bottom to be soaked in percolate and cause soil sample to dissolve.
For ensureing that a plate level and slide rail are parallel to each other, the minor face of base and slide rail are equipped with scale, ensure when mobile support plate and slide rail that support plate is identical with place, slide rail two ends scale and can ensure that support plate is positioned at horizontal level or slide rail is parallel to each other, the position limiting clamp on slide rail is used for the spacing of support plate.
Because soil sample wetting-drying test instrument provided by the invention can realize soil sample turn-over, therefore the porous disc supporting soil sample can select the permeable stone that water absorbing properties is good, the part that only needs porous-stone immerses in percolate to absorb water and supplies soil sample saturated, the web plate used compared to prior art or orifice plate, web plate or orifice plate perforate excessive time soil sample soluble, perforate too small time dry or saturation time is long, adopt porous-stone to support soil sample, soil sample can be avoided directly to contact with percolate and dissolve.
The evaporation at constant temperature assembly that the present invention uses, main body straight tube is evenly equipped with many heater elements, and each heater element is independently controlled by corresponding switch, and therefore soil sample baking temperature is controlled, and thermometer is used for measuring in real time and display soil sample baking temperature.
Compared with prior art, soil sample wetting-drying test instrument provided by the invention, carries out the turn-over of soil sample by soil sample turn-over mechanism, guarantee soil sample dry and saturated evenly and fully, this test instrument can the multiple soil sample of disposable process, consuming time less, efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of soil sample wetting-drying test instrument provided by the invention.
Fig. 2 is the structural representation of soil sample turn-over mechanism.
Fig. 3 is the using state figure mono-of soil sample turn-over mechanism.
Fig. 4 is the using state figure bis-of soil sample turn-over mechanism.
Fig. 5 is the using state figure tri-of soil sample turn-over mechanism.
Fig. 6 is the using state figure tetra-of soil sample turn-over mechanism.
Wherein, 1-support, 2-straight tube, 3-power switch, the saturated cylinder of 4-, 5-suspension ring, 6-elevating mechanism, 7-geneva bottle, 8-slide rail, 9-heater element, 10-base, 11-slide block, 12-scale, 13-pole, 14-porous disc, 15-position limiting clamp, 16-bayonet socket, 17-soil sample.
Embodiment
Illustrate in detail the present invention below in conjunction with drawings and Examples, content of the present invention is not limited to following examples.
Soil sample wetting-drying test instrument provided by the invention, its structure as depicted in figs. 1 and 2, at least comprise support 1 and be fixed on the elevating mechanism 6 on support, saturated assembly and evaporation at constant temperature assembly, evaporation at constant temperature assembly is positioned at above saturated assembly, described evaporation at constant temperature assembly comprises straight tube 2 and is evenly fixed on more than 2 heater elements be parallel to each other 9 on straight tube barrel medial surface, each heater element is all in series with power switch 3, the thermometer that straight tube is provided with band Presentation Function and the attaching plug be electrically connected with each power switch, described saturated assembly comprises for holding the geneva bottle 7 of percolate and being with the saturated cylinder 4 of tapping valve, saturated cylinder is communicated with geneva bottle by the pipeline of band valve, soil sample turn-over mechanism is positioned at soil sample turn-over mechanism described in saturated cylinder and comprises base 10, be fixed on two one slide rails 8 on base and more than 2 support plates be installed on two one slide rails, described base is rectangular box, two minor faces of base are equipped with chute, two one slide rail shapes are identical and all in wave line style, the two ends of slide rail are equipped with bayonet socket 16, slide rail to be installed on two minor faces of base by bayonet socket and can along slide, described support plate is made up of the porous disc 14 and two poles 13 of being fixed on porous disc for placing soil sample, the number of support plate is the twice of the wave number of wave line style slide rail, described pole is expansion link, porous disc is permeable stone, two poles are individually fixed in porous disc two ends and are parallel to each other, its end is provided with slide block 11, slide block set is located on slide rail, expansion link to be installed on slide rail by slide block and can to slide along slide rail, slide rail is provided with the position limiting clamp 15 for fixed supported slab, the minor face of base and slide rail are equipped with scale 12, the corner of base is equipped with suspension ring 5, elevating mechanism is connected with suspension ring and drives base vertically to move up and down.
In this soil sample wetting-drying test instrument, elevating mechanism controls soil sample turn-over mechanism and moves up and down, thus drive soil sample to enter to carry out in the saturated cylinder of saturated assembly or evaporation at constant temperature assembly saturated or dry, the saturated of soil sample is completed by saturated assembly, drying is completed by evaporation at constant temperature assembly, and concrete operation steps is as follows:
(1) opening geneva bottle valve makes percolate flow in saturated cylinder, after band water level is steady, soil sample turn-over mechanism is put into saturated cylinder, soil sample 17 interval is positioned on the porous disc 14 of support plate, the position of adjustment position limiting clamp flushes to porous disc with the water surface of percolate in saturated cylinder, and guarantee in the ascent stage that support plate is all positioned at wave line style slide rail 8 and descending branch, soil sample is carried out saturated under capillary action, as shown in Figure 3;
(2), after the saturated certain hour of soil sample, distance is placed with the nearest idle support plate of the support plate of soil sample along track sliding to the top of support plate being placed with soil sample, as shown in Figure 4;
(3) two porous discs 14 clamp soil sample jointly slide to subsequently with the support plate position being placed with soil sample close in ascent stage or descending branch, as shown in Figure 5;
(4) support plate above soil sample is slid into initial position, the another side of soil sample contact with percolate carry out saturated, as shown in Figure 6;
(5) soil sample turn-over mechanism is promoted in evaporation at constant temperature assembly by the complete saturated rear startup elevating mechanism of soil sample, carries out soil sample drying, and operation when soil sample is dry is the same.
Claims (8)
1. a soil sample wetting-drying test instrument, at least comprise support, the elevating mechanism be fixed on support, saturated assembly and evaporation at constant temperature assembly, and the support plate for placing soil sample to be driven by elevating mechanism, evaporation at constant temperature assembly is positioned at above saturated assembly, it is characterized in that: be provided with soil sample turn-over mechanism in saturated assembly, support plate is arranged in soil sample turn-over mechanism, described soil sample turn-over mechanism comprises base, be fixed on two one slide rails on base and more than 2 support plates be installed on two one slide rails, described base comprises two support bars be parallel to each other, two one slide rail shapes are identical and all in wave line style, the two ends of slide rail are installed on two support bars respectively, described support plate is made up of the porous disc for placing soil sample and two poles of being fixed on porous disc, two poles are individually fixed in porous disc two ends and are parallel to each other, the end sleeve of pole to be located on slide rail and can be slided along slide rail, elevating mechanism is connected with base and drives base vertically to move up and down.
2. soil sample wetting-drying test instrument according to claim 1, it is characterized in that: described base is rectangular box, two minor faces of base are equipped with chute, and the two ends of slide rail are equipped with bayonet socket, and slide rail to be installed on two minor faces of base by bayonet socket and can along slide.
3. soil sample wetting-drying test instrument according to claim 2, is characterized in that: the minor face of described base and slide rail are equipped with scale, and slide rail is provided with position limiting clamp.
4. soil sample wetting-drying test instrument according to claim 2, is characterized in that: the corner of base is equipped with suspension ring, and elevating mechanism is connected with suspension ring.
5. soil sample wetting-drying test instrument according to claim 1, is characterized in that: the number of described support plate is the twice of the wave number of wave line style slide rail, and porous disc is permeable stone.
6. soil sample wetting-drying test instrument according to claim 1, it is characterized in that: described pole is expansion link, and strut ends is provided with slide block, slide block set is located on slide rail, and expansion link is installed on slide rail by slide block.
7. soil sample wetting-drying test instrument according to claim 1, it is characterized in that: described evaporation at constant temperature assembly comprises straight tube and is evenly fixed on more than 2 heater elements be parallel to each other on straight tube barrel medial surface, each heater element is all in series with power switch, the thermometer that straight tube is provided with band Presentation Function and the attaching plug be electrically connected with each power switch.
8. soil sample wetting-drying test instrument according to claim 1, it is characterized in that: described saturated assembly comprises the geneva bottle for holding percolate and is with the saturated cylinder of tapping valve, saturated cylinder is communicated with geneva bottle by the pipeline of band valve, and soil sample turn-over mechanism is arranged in saturated cylinder.
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| CN201510252950.8A CN104807978B (en) | 2015-05-18 | 2015-05-18 | A kind of soil sample wetting-drying test instrument |
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| CN201510252950.8A CN104807978B (en) | 2015-05-18 | 2015-05-18 | A kind of soil sample wetting-drying test instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675845A (en) * | 2016-03-30 | 2016-06-15 | 中国地质大学（武汉） | Method for determining volume of soil sample by dry-wet cyclic test and test sample body variable testing disc |
| CN106018126A (en) * | 2016-05-24 | 2016-10-12 | 西安长庆科技工程有限责任公司 | Soil mass dry-wet circulating annular shearing instrument capable of measuring humidity |
| CN106645633A (en) * | 2016-10-13 | 2017-05-10 | 桂林理工大学 | Deformation simulation device for expansion and shrinkage soil roadbed in dry and wet alternative environment and simulation method |
| CN107290505A (en) * | 2017-07-07 | 2017-10-24 | 广西大学 | The wetting-drying circular tester of soil moisture content can be monitored in real time |
| CN109342486A (en) * | 2018-10-09 | 2019-02-15 | 水利部交通运输部国家能源局南京水利科学研究院 | The experimental rig of the wet dry Frozen-thawed cycled of super gravity field Imitating expansive soil channel |
| CN110514815A (en) * | 2019-10-08 | 2019-11-29 | 水利部交通运输部国家能源局南京水利科学研究院 | The pilot system and method for dry frequency are flooded-fallen to a kind of insitu analog shore bank band difference |
| CN112834320A (en) * | 2020-11-03 | 2021-05-25 | 贵州大学 | Dry-wet cycle triaxial testing machine and use method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63208760A (en) * | 1987-02-25 | 1988-08-30 | Nippon Paint Co Ltd | Method and device for concrete test |
| JP2011174859A (en) * | 2010-02-25 | 2011-09-08 | Jfe Steel Corp | Method of evaluating corrosion resistance of metal material, and corrosion acceleration testing device of metal material |
| CN102944481A (en) * | 2012-12-14 | 2013-02-27 | 重庆大学 | Geotechnique test piece dry-wet cycle test device under loaded action |
| RU2487351C1 (en) * | 2012-06-06 | 2013-07-10 | Валерий Иванович Кондращенко | Method to determine water impermeability of cement materials |
| CN203117194U (en) * | 2012-12-27 | 2013-08-07 | 长安大学 | Water-rock wetting-drying cycle tester |
| CN203941089U (en) * | 2014-07-16 | 2014-11-12 | 三峡大学 | Wetting-drying circular tester |
| CN204008413U (en) * | 2014-07-18 | 2014-12-10 | 厦门浩友建材有限公司 | A kind of split type concrete dry circulating maintenance equipment that wets |
| CN104297453A (en) * | 2014-11-03 | 2015-01-21 | 中国地质大学（武汉） | Automatic core sample dampness circle test instrument |
-
2015
- 2015-05-18 CN CN201510252950.8A patent/CN104807978B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63208760A (en) * | 1987-02-25 | 1988-08-30 | Nippon Paint Co Ltd | Method and device for concrete test |
| JP2011174859A (en) * | 2010-02-25 | 2011-09-08 | Jfe Steel Corp | Method of evaluating corrosion resistance of metal material, and corrosion acceleration testing device of metal material |
| RU2487351C1 (en) * | 2012-06-06 | 2013-07-10 | Валерий Иванович Кондращенко | Method to determine water impermeability of cement materials |
| CN102944481A (en) * | 2012-12-14 | 2013-02-27 | 重庆大学 | Geotechnique test piece dry-wet cycle test device under loaded action |
| CN203117194U (en) * | 2012-12-27 | 2013-08-07 | 长安大学 | Water-rock wetting-drying cycle tester |
| CN203941089U (en) * | 2014-07-16 | 2014-11-12 | 三峡大学 | Wetting-drying circular tester |
| CN204008413U (en) * | 2014-07-18 | 2014-12-10 | 厦门浩友建材有限公司 | A kind of split type concrete dry circulating maintenance equipment that wets |
| CN104297453A (en) * | 2014-11-03 | 2015-01-21 | 中国地质大学（武汉） | Automatic core sample dampness circle test instrument |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675845A (en) * | 2016-03-30 | 2016-06-15 | 中国地质大学（武汉） | Method for determining volume of soil sample by dry-wet cyclic test and test sample body variable testing disc |
| CN105675845B (en) * | 2016-03-30 | 2017-06-09 | 中国地质大学（武汉） | The method and sample body that a kind of wetting-drying test determines soil sample volume become test panel |
| CN106018126A (en) * | 2016-05-24 | 2016-10-12 | 西安长庆科技工程有限责任公司 | Soil mass dry-wet circulating annular shearing instrument capable of measuring humidity |
| CN106018126B (en) * | 2016-05-24 | 2018-11-13 | 西安长庆科技工程有限责任公司 | A kind of measurable soil body drying and watering cycle ring shear apparatus of humidity |
| CN106645633A (en) * | 2016-10-13 | 2017-05-10 | 桂林理工大学 | Deformation simulation device for expansion and shrinkage soil roadbed in dry and wet alternative environment and simulation method |
| CN106645633B (en) * | 2016-10-13 | 2019-02-19 | 桂林理工大学 | The deformation simulative device and analogy method of dilative soil roadbed under dry wet alternating environment |
| CN107290505A (en) * | 2017-07-07 | 2017-10-24 | 广西大学 | The wetting-drying circular tester of soil moisture content can be monitored in real time |
| CN107290505B (en) * | 2017-07-07 | 2020-04-07 | 广西大学 | But dry wet cycle test device of real time monitoring soil body moisture content |
| CN109342486A (en) * | 2018-10-09 | 2019-02-15 | 水利部交通运输部国家能源局南京水利科学研究院 | The experimental rig of the wet dry Frozen-thawed cycled of super gravity field Imitating expansive soil channel |
| CN109342486B (en) * | 2018-10-09 | 2024-06-07 | 水利部交通运输部国家能源局南京水利科学研究院 | Test device for simulating wet, dry, freeze-thawing cycle of expansive soil channel under supergravity field |
| CN110514815A (en) * | 2019-10-08 | 2019-11-29 | 水利部交通运输部国家能源局南京水利科学研究院 | The pilot system and method for dry frequency are flooded-fallen to a kind of insitu analog shore bank band difference |
| CN112834320A (en) * | 2020-11-03 | 2021-05-25 | 贵州大学 | Dry-wet cycle triaxial testing machine and use method thereof |
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Inventor after: Shi Honglian Inventor after: Hu Xinli Inventor after: Wang Chunyan Inventor after: Yan Shaojun Inventor after: Feng Xiaola Inventor before: Shi Honglian Inventor before: Dai Zhun Inventor before: Feng Xiaola Inventor before: Wang Chunyan Inventor before: Yan Shaojun |
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Free format text: CORRECT: INVENTOR; FROM: SHI HONGLIAN DAI ZHUN FENG XIAOLA WANG CHUNYAN YAN SHAOJUN TO: SHI HONGLIAN HU XINLI WANG CHUNYAN YAN SHAOJUN FENG XIAOLA |
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