CN207081648U - Experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle - Google Patents
Experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle Download PDFInfo
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- CN207081648U CN207081648U CN201721162807.0U CN201721162807U CN207081648U CN 207081648 U CN207081648 U CN 207081648U CN 201721162807 U CN201721162807 U CN 201721162807U CN 207081648 U CN207081648 U CN 207081648U
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- experiment casing
- cushion block
- compressive strength
- watering cycle
- experimental rig
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Abstract
The utility model discloses a kind of experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle, including experiment casing, be humidified mechanism, drier, blower mechanism, Weighing mechanism, support component, two separate spaces up and down are formed by demarcation strip inside experiment casing, humidification mechanism and blower mechanism are located at upper space both sides respectively, drier is located at the top of upper space, Weighing mechanism is located in lower space, demarcation strip is provided with via and osculum, support component upper end is located in upper space through via, lower end is fixed on Weighing mechanism, the drainpipe connected with osculum is provided with lower space, controlling organization is provided with the side wall of experiment casing one, be humidified mechanism, drier, blower mechanism, Weighing mechanism electrically connects with controlling organization.Can simulated rainfall evaporation, the influence of different illumination, wind speed to moisture evaporation, drying and watering cycle process uniformly relaxes, and has the advantages of automaticity is high, accurate, simple, dry and wet control effect is good.
Description
Technical field
Field of track traffic is the utility model is related to, it is more particularly to a kind of to be used for analog orbit roadbed unconfined compressive strength
The experimental rig of drying and watering cycle.
Background technology
Damp-heat area on the south the Qinling Mountains Huaihe River in China, summer high temperature is rainy, evaporates quickly after rainfall, and this rainfall-
The circulation of evaporation is carried out so that reciprocal change occurs for the moisture content in the soil body, and this drying and watering cycle effect can cause river, Lake Water
Position and level of ground water frequently lift so that track bed edge drying and watering cycle effect under, alternation of wetting and drying, in shakiness
In fixed state.Especially for this Subgrade soil of Red Sandstone, in the presence of drying and watering cycle alternately, under soil strength is notable
Drop, slope stability decay, roadbed is caused to occur cave in, ftracture, settling unequal disease.Therefore, in order to preferably study rail
Road Base strength retrogression's rule under drying and watering cycle effect, evaluation subgrade stability system is, it is necessary to carry out wetting-drying test.
In existing wetting-drying test, the method often taken is immersion-oven drying method, however in this way there is
Shortcomings, such as, in drying and wetting, temperature is too high, excessively acutely, can cause holding for unconfined compressive strength surface of test piece
Split, fall side phenomenon, be unfavorable for the experiment in later stage, the situation slowly varying with deep roadbed migration of water is not inconsistent yet；Especially for
This soil property of Red Sandstone, after immersion the soil body can rapid avalanche, therefore, immersion-oven drying method be unfavorable for experiment progress.It is even more important
, test method of the prior art is unable to the influence of simulation water, solar irradiation, wind to moisture evaporation, exists greatly
Limitation.
The content of the invention
In view of this, the purpose of this utility model is that provide one kind does for analog orbit roadbed unconfined compressive strength
The experimental rig of wet circulation, can not only simulated rainfall evaporation, the influence of different illumination, wind speed to moisture evaporation, and can
Control humidification moisture content, drying and watering cycle process uniformly relax, and dry, moisture content can be made fully to spread after the completion of humidification, have automatic
The advantages of change degree is high, accurate, simple, dry and wet control effect is good.
Experimental rig of the present utility model for analog orbit roadbed unconfined compressive strength drying and watering cycle, including experiment
Casing, humidification mechanism, drier, blower mechanism, Weighing mechanism and the support component for supporting sample, the chamber
Internal portion forms upper and lower two independent spaces by a divides, and the humidification mechanism and blower mechanism are respectively positioned at examination
The upper space both sides of tryoff body, the drier are located at the top of the upper space of experiment casing, and the Weighing mechanism is located at
In the lower space of experiment casing, the demarcation strip is provided with the via passed through for support component and the osculum for draining,
The support component upper end is located in the upper space of experiment casing through via, and lower end is fixed on Weighing mechanism, the examination
Drainpipe is provided with the lower space of tryoff body, described drainpipe one end connects with osculum, and the other end passes through experiment casing
Side wall is stretched out outside experiment casing, is provided with controlling organization in the side wall of experiment casing one, the humidification mechanism, drier,
Blower mechanism, Weighing mechanism electrically connect with controlling organization.
Further, the demarcation strip includes being located at middle horizontal segment and being sloped downwardly along horizontal segment two prolonging raw inclination
Section, the via are arranged on horizontal segment, and the osculum is arranged on tilting section.
Further, the demarcation strip is provided with water bar, the branch towards the surrounding of the one side of experiment casing upper space
Support component includes being used to support the upper cushion block of sample and the lower cushion block for being connected with Weighing mechanism, and the upper cushion block upper end passes through
Via is located in the upper space of experiment casing, and upper cushion block lower end is fixedly connected with lower cushion block upper end, and lower cushion block lower end is placed on
On Weighing mechanism.
Further, the upper cushion block is cylindric with lower cushion block, and the diameter of lower cushion block is more than the diameter of upper cushion block.
Further, gap is left between the upper cushion block and via, retaining ring, the dash are arranged with the upper cushion block
Circle is above via.
Further, the Weighing mechanism is high-precision electronic scale, and the high-precision electronic scale electrically connects with controlling organization.
Further, the blower mechanism include be fixed on demarcation strip tilting section discharge pipe, be arranged on outside experiment casing
Air blower and be connected to air blower and discharge pipe ventilation duct, the side of the discharge pipe towards sample is longitudinally spaced
Provided with some exhaust vents, the air blower electrically connects with controlling organization.
Further, the humidification mechanism includes the electric expansion bar that can transversely stretch and is arranged in electric expansion bar to use
In the water pipe humidified to sample, described water pipe one end is provided with for the shower nozzle of sample shower water and adjustable injection flow rate, separately
One end is stretched out outside experiment casing to be connected with water supply installation, and the electric expansion bar and shower nozzle electrically connect with controlling organization；The examination
One side wall of tryoff body upper space is provided with ventilating opening, and the ventilating opening is located at homonymy with humidification mechanism, and ventilating opening is located at
Below the mechanism that is humidified.
Further, the drier includes being used to irradiate the high-brightness lighting lamp of sample and for installing highlight illumination
The mounting bracket of lamp, the mounting bracket top are fixed at the top of the upper space of experiment casing, and mounting bracket bottom is provided with for controlling
The slide assemblies that high-brightness lighting lamp processed laterally moves, the cunning that the slide assemblies include guide rail, can slid laterally along guide rail
Block and the motor for control slide block movement, the high-brightness lighting lamp are fixed on sliding block, the high-brightness lighting lamp and electricity
Machine electrically connects with controlling organization.
Further, the controlling organization includes control panel, and controlling switch and automatic control are provided with the control panel
Device processed；The experiment casing back side is provided with chamber door to be opened/closed.
The beneficial effects of the utility model：It is of the present utility model to be followed for analog orbit roadbed unconfined compressive strength dry and wet
The experimental rig of ring, by setting humidification mechanism, drier, blower mechanism, Weighing mechanism, support component, controlling organization, when
When sample needs humidification, the moisture of the absorbable humidification mechanism offer of sample simultaneously slowly spreads, and moisture content gradually rises；When sample needs
When drying, sample lost moisture content, quality can be gradually reduced under the shining of drier, while in the process for humidifying or drying
In, the quality of sample can be detected by Weighing mechanism, controlling organization automatically controls humidification mechanism according to testing result and entered
Row humidification or drier are dried；So that the utility model can simulated rainfall evaporation, different illumination, wind speed to sample
The influence of moisture evaporation, and humidification moisture content can be controlled, drying and watering cycle process uniformly relaxes, can after the completion of dry, humidification
Moisture content is fully spread, there is the advantages of automaticity is high, accurate, simple, dry and wet control effect is good.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 side view；
Fig. 3 is the structural representation of the utility model demarcation strip.
Embodiment
As shown in Figure 1 to Figure 3：The experiment for analog orbit roadbed unconfined compressive strength drying and watering cycle of the present embodiment
Device, including experiment casing 1, humidification mechanism, drier, blower mechanism, Weighing mechanism and the support for supporting sample
Component, upper and lower two independent space (upper space 1a, bottoms are separated to form by a demarcation strip 2 inside the experiment casing 1
Space 1b), the humidification mechanism and blower mechanism are respectively positioned at the upper space 1a both sides of experiment casing, the drier position
At the top of the upper space 1a of experiment casing, the Weighing mechanism is located in the lower space 1b of experiment casing, the demarcation strip 2
The via 3 passed through for support component and the osculum 4 for draining are provided with, the support component upper end is located at through via 3
In the upper space 1a of experiment casing, lower end is fixed on Weighing mechanism, is provided with the lower space 1b of the experiment casing
Drainpipe 5, described one end of drainpipe 5 are connected with osculum 4, and the other end is stretched out outside experiment casing 1 through the side wall of experiment casing 1,
Be provided with controlling organization in the side wall of experiment casing 1 one, the humidification mechanism, drier, blower mechanism, Weighing mechanism with
Controlling organization electrically connects, and so when sample needs humidification, the moisture of the absorbable humidification mechanism offer of sample simultaneously slowly spreads, and contains
Water rate is gradually risen, and when sample needs to dry, sample lost moisture content, quality can be gradually reduced under the shining of drier,
And in humidification or drying process, the quality of sample can be detected by Weighing mechanism, controlling organization is tied according to detection
Fruit automatically controls humidification mechanism and humidified or drier is dried, and is evaporated with simulated rainfall, different illumination, wind speed is to examination
The influence of sample moisture evaporation, humidification moisture content can be controlled, drying and watering cycle process uniformly relaxes, and dries, can make after the completion of humidification
Moisture content fully spreads；By setting drainpipe 5, the water in experiment casing upper space 1a can quickly be discharged.In the present embodiment
Experiment casing 1 is rectangular parallelepiped structure, simple in construction, is easy to fabricate.
In the present embodiment, the demarcation strip 2 includes being located at middle horizontal segment and being sloped downwardly along horizontal segment two prolonging life
Tilting section, the via 3 is arranged on horizontal segment, and the osculum 4 is arranged on tilting section, and the both sides of demarcation strip 2 use band
The incline structure of the gradient, easily facilitates draining.Osculum 4 is respectively equipped with the both sides tilting section of demarcation strip 2 of the present embodiment, each row
Water hole 4 is connected with corresponding drainpipe 5 respectively, to improve drainage effect.
In the present embodiment, the demarcation strip 2 is provided with water bar towards the surrounding of experiment casing upper space 1a one side
6, for preventing upper space 1a water from flowing into lower space 1b, ensure sealing effectiveness；The support component includes being used for branch
The upper cushion block 7 of sample and the lower cushion block 8 for being connected with Weighing mechanism are supportted, the upper upper end of cushion block 7 is through via 3 positioned at experiment
In the upper space 1a of casing, the upper lower end of cushion block 7 is fixedly connected with the upper end of lower cushion block 7, and the lower end of lower cushion block 8 is placed on Weighing mechanism
On, sample is positioned over by upper cushion block 7 and lower cushion block 8 on Weighing mechanism, in order to be monitored in real time to the quality of sample.
The upper end of upper cushion block 7 of the present embodiment is higher than demarcation strip 2, in order to be supported to sample.
In the present embodiment, the upper cushion block 7 is cylindric with lower cushion block 8, and the diameter of lower cushion block 8 is more than upper cushion block 7
Diameter, it is convenient that sample is supported and weighed.
In the present embodiment, gap is left between the upper cushion block 7 and via 3, is conveniently weighed；On the upper cushion block 7
Retaining ring 9 is arranged with, the retaining ring 9 is located at the top of via 3, to improve sealing property.
In the present embodiment, the Weighing mechanism is high-precision electronic scale 10, the high-precision electronic scale 10 and controlling organization electricity
Connection, is measured for sensibility reciprocal sample moisture evaporation, to monitor sample mass in real time.
In the present embodiment, the blower mechanism include be fixed on the tilting section of demarcation strip 2 discharge pipe 11, be arranged on experiment
Air blower 12 outside casing 1 and be connected to air blower 12 and discharge pipe 11 ventilation duct 13, the discharge pipe 11 is towards examination
The side of sample is longitudinally spaced to be provided with some exhaust vent 11a, and the air blower 12 electrically connects with controlling organization, and blower mechanism can root
According to the needs of the simulation operating mode in drying or humidification, it is turned on and off, to simulate wind speed to sample moisture evaporation
Influence, improve test accuracy.
In the present embodiment, the humidification mechanism includes the electric expansion bar 14 that can transversely stretch and is arranged on electric expansion
It is used for the water pipe 15 to sample humidification in bar 14, described one end of water pipe 15, which is provided with, to be used for sample shower water and adjustable water spray
The shower nozzle 16 of amount, the other end stretch out that experiment casing 1 is outer to be connected with water supply installation, described electronic to stretch for being humidified to sample
Contracting bar and shower nozzle electrically connect with controlling organization, can pass through the position of controlling organization shower nozzle 16 and injection flow rate；The experiment casing top
A space 1a side wall is provided with ventilating opening 17, and the ventilating opening 17 is located at homonymy with humidification mechanism, and ventilating opening 17 is positioned at increasing
Below wet mechanism, with guarantee test casing upper space 1a inner air flows.
In the present embodiment, the drier includes being used for irradiating the high-brightness lighting lamp 18 of sample and highlighted for installing
The mounting bracket 19 of illuminating lamp 18 is spent, the top of mounting bracket 19 is fixed at the top of the upper space 1a of experiment casing, mounting bracket 19
Bottom is provided with the slide assemblies for controlling high-brightness lighting lamp 18 to laterally move, the slide assemblies include guide rail 20,
The sliding block (not shown) that can be slid laterally along guide rail 20 and the motor (not shown) moved for control slide block, it is described
High-brightness lighting lamp 18 is fixed on sliding block, and the high-brightness lighting lamp 18 and motor electrically connect with controlling organization, the present embodiment
High-brightness lighting lamp 18 can use high brightness super bath lamp, its brightness can be adjusted by controlling organization, highlighted by adjusting
The position on guide rail 20 of brightness and high-brightness lighting lamp 18 of illuminating lamp 18 is spent, with the illumination feelings in simulation one day at different moments
Condition.
In the present embodiment, the controlling organization includes control panel 21, and controlling switch is provided with the control panel 21
With automatic controller 22, controlling switch include be used for control humidification mechanism be turned on and off key switch I23, for controlling
Knob switch I24 that electric expansion bar 14 works, the knob switch II25 for controlling the injection flow rate size of shower nozzle 16, it is used for
Control drier work key switch II26, the knob switch III27 for controlling the brightness of high-brightness lighting lamp 18,
For controlling the knob switch IV28 of the shift position of high-brightness lighting lamp 18, automatic controller 22 is used for according to high-precision electronic
The data that scale 10 transmits, control drier and humidification mechanism are automatically turned on or closed, while control electric expansion bar 14 automatic
It is flexible, realize Automated condtrol；The back side of experiment casing 1 is provided with chamber door (not shown) to be opened/closed, is easy to load
With taking-up sample.
Operation principle of the present utility model is：
In humidification, sample can absorb the moisture content in shower nozzle, and slowly spread, and moisture content gradually rises；Drying process
In, sample can shine lower lost moisture content in light, and quality is gradually reduced.By the matter that humidification mechanism is set in automatic controller
Measure desired value, when automatic controller senses it is dry when weighing mechanism numerical value it is constant, or humidification when weighing mechanism reach default
Value, now automatic controller can send instruction control humidification mechanism or drier is closed.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (10)
- A kind of 1. experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle, it is characterised in that：Including examination Tryoff body, humidification mechanism, drier, blower mechanism, Weighing mechanism and the support component for supporting sample, the experiment Box house forms upper and lower two independent spaces by a divides, and the humidification mechanism and blower mechanism are located at respectively The upper space both sides of experiment casing, the drier are located at the top of the upper space of experiment casing, the Weighing mechanism position In in the lower space of experiment casing, the demarcation strip is provided with the via passed through for support component and the draining for draining Hole, the support component upper end are located in the upper space of experiment casing through via, and lower end is fixed on Weighing mechanism, described Drainpipe is provided with the lower space of experiment casing, described drainpipe one end connects with osculum, and the other end passes through chamber Body sidewall is stretched out outside experiment casing, and controlling organization, the humidification mechanism, drying machine are provided with the side wall of experiment casing one Structure, blower mechanism, Weighing mechanism electrically connect with controlling organization.
- 2. the experimental rig according to claim 1 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：The demarcation strip includes being located at middle horizontal segment and being sloped downwardly along horizontal segment two prolonging raw tilting section, institute State via to be arranged on horizontal segment, the osculum is arranged on tilting section.
- 3. the experimental rig according to claim 2 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：The demarcation strip is provided with water bar, the support component towards the surrounding of the one side of experiment casing upper space Including for supporting the upper cushion block of sample and the lower cushion block for being connected with Weighing mechanism, the upper cushion block upper end passed through hole position In in the upper space of experiment casing, upper cushion block lower end is fixedly connected with lower cushion block upper end, and lower cushion block lower end is placed on weigher On structure.
- 4. the experimental rig according to claim 3 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：The upper cushion block is cylindric with lower cushion block, and the diameter of lower cushion block is more than the diameter of upper cushion block.
- 5. the experimental rig according to claim 4 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：Gap is left between the upper cushion block and via, retaining ring is arranged with the upper cushion block, the retaining ring is located at Above via.
- 6. the experimental rig according to claim 3 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：The Weighing mechanism is high-precision electronic scale, and the high-precision electronic scale electrically connects with controlling organization.
- 7. the experimental rig according to claim 2 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：The blower mechanism includes the discharge pipe being fixed on demarcation strip tilting section, the air blast being arranged on outside experiment casing Machine and be connected to air blower and discharge pipe ventilation duct, be provided with if the side of the discharge pipe towards sample is longitudinally spaced Air holes is done, the air blower electrically connects with controlling organization.
- 8. the experimental rig according to claim 1 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：The humidification mechanism includes the electric expansion bar that can transversely stretch and is arranged in electric expansion bar to be used for examination The water pipe of sample humidification, described water pipe one end are provided with for being stretched to the shower nozzle of sample shower water and adjustable injection flow rate, the other end Go out outside experiment casing and be connected with water supply installation, the electric expansion bar and shower nozzle electrically connect with controlling organization；The experiment casing One side wall of upper space is provided with ventilating opening, and the ventilating opening is located at homonymy with humidification mechanism, and ventilating opening is located at humidifier Below structure.
- 9. the experimental rig according to claim 1 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：The drier includes being used for the high-brightness lighting lamp for irradiating sample and the peace for installing high-brightness lighting lamp Shelve, be fixed at the top of the mounting bracket at the top of the upper space of experiment casing, mounting bracket bottom is provided with highlighted for controlling The slide assemblies that laterally move of degree illuminating lamp, the slide assemblies include guide rail, can be along the sliding block and use that guide rail slides laterally In the motor of control slide block movement, the high-brightness lighting lamp is fixed on sliding block, the high-brightness lighting lamp and motor and control Mechanism electrical connection processed.
- 10. the experimental rig according to claim 1 for analog orbit roadbed unconfined compressive strength drying and watering cycle, its It is characterised by：The controlling organization includes control panel, and controlling switch and automatic controller are provided with the control panel；Institute State the experiment casing back side and be provided with chamber door to be opened/closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721162807.0U CN207081648U (en) | 2017-09-08 | 2017-09-08 | Experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721162807.0U CN207081648U (en) | 2017-09-08 | 2017-09-08 | Experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle |
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| Publication Number | Publication Date |
|---|---|
| CN207081648U true CN207081648U (en) | 2018-03-09 |
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ID=61419263
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721162807.0U Expired - Fee Related CN207081648U (en) | 2017-09-08 | 2017-09-08 | Experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207081648U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589237A (en) * | 2017-09-25 | 2018-01-16 | 中铁第四勘察设计院集团有限公司 | Soil body unconfined compressive strength drying and watering cycle analogue means |
| CN109856040A (en) * | 2019-04-15 | 2019-06-07 | 黄河勘测规划设计研究院有限公司 | Concrete drying and watering cycle erosion test machine |
| CN112946390A (en) * | 2021-02-02 | 2021-06-11 | 中国石油大学(华东) | Humidity-temperature cycle test device and method based on temperature cycle |
-
2017
- 2017-09-08 CN CN201721162807.0U patent/CN207081648U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589237A (en) * | 2017-09-25 | 2018-01-16 | 中铁第四勘察设计院集团有限公司 | Soil body unconfined compressive strength drying and watering cycle analogue means |
| CN109856040A (en) * | 2019-04-15 | 2019-06-07 | 黄河勘测规划设计研究院有限公司 | Concrete drying and watering cycle erosion test machine |
| CN112946390A (en) * | 2021-02-02 | 2021-06-11 | 中国石油大学(华东) | Humidity-temperature cycle test device and method based on temperature cycle |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180309 Termination date: 20190908 |