CN207571061U - For testing the test cylinder of body frost heaving performance - Google Patents
For testing the test cylinder of body frost heaving performance Download PDFInfo
- Publication number
- CN207571061U CN207571061U CN201721715062.6U CN201721715062U CN207571061U CN 207571061 U CN207571061 U CN 207571061U CN 201721715062 U CN201721715062 U CN 201721715062U CN 207571061 U CN207571061 U CN 207571061U
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- CN
- China
- Prior art keywords
- cylinder
- test
- frost heaving
- body frost
- upper shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of for testing the test cylinder of body frost heaving performance, including cylinder, is arranged at intervals with multiple temperature sensors along the cylinder short transverse, in the circumferential surface of the cylinder and buries hole, it is characterised in that：The cylinder includes lower shell and upper shell, and cartridge part is formed in described lower shell one end, and the auxiliary section for the cartridge part activity grafting is formed in described upper shell one end.The test cylinder described in the utility model for being used to test body frost heaving performance, by the way that upper shell is formed movable inserting with lower shell via cartridge part and with auxiliary section, and then when carrying out body frost heaving experiment, relative vertical displacement can be generated between upper shell and lower shell with the breathing of the soil body, and then reduce vertical constraint of the arm to the soil body, reduce test error, while also allow for integrally-built dismounting, there is preferable practicability.
Description
Technical field
The utility model is related to soil body field of measuring technique, more particularly to a kind of experiment for being used to test body frost heaving performance
Cylinder.
Background technology
Frozen soil does not freeze the multiphase medium that water, ice crystal and gas form by soil particle, with the variation of temperature, does not freeze
Lasting phase change can occur between water and ice crystal.Frost heave is to cause the principal element of roadbed damage in permafrost regions, therefore, indoors
It is most important to the research of body frost heaving rule in geotechnological low-temperature test.Indoor body frost heaving experiment is mainly adopted in the prior art
By the use of whole lucite cylinder as container, during soil body generation frost heave, due to the effect of vertical frictional force, this lucite cylinder
Limit the vertical displacement of the soil body to a certain extent, it is incomplete so as to cause body frost heaving, may bring at the trial compared with
Big error influences research progress and the accuracy of subject.
Utility model content
In view of this, the utility model is directed to a kind of for testing the test cylinder of body frost heaving performance, to avoid existing
There is the deficiency in technology, and with preferable using effect.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of test cylinder for being used to test body frost heaving performance, including cylinder, along the cylinder short transverse, in the cylinder
The circumferential surface of body is arranged at intervals with multiple temperature sensors and buries hole, and the cylinder includes lower shell and upper shell, in the lower cylinder
Body one end is formed with cartridge part, and the auxiliary section for the cartridge part activity grafting is formed in described upper shell one end.
Further, it is described to be further included for the test cylinder of testing body frost heaving performance set on the lower shell and described
Multiple superposition cylinders between cylinder are respectively formed with the cartridge part and auxiliary section in two opposite ends of the superposition cylinder.
Further, the cartridge part is annular protrusion, and the auxiliary section is annular groove.
Further, it is provided with rolling element between the annular protrusion and the annular groove.
Further, the rolling element is positioned on the peripheral surface of the annular protrusion.
Further, the rolling element is positioned on the retainer that suit cooperation is formed with the annular protrusion.
Further, the cylinder is made of organic glass.
Relative to the prior art, the utility model has the advantage that：
(1) it is described in the utility model for testing the test cylinder of body frost heaving performance, by by upper shell via inserting
Portion and form movable inserting with lower shell, and then when carrying out body frost heaving experiment with auxiliary section, upper shell and lower shell it
Between with the breathing of the soil body can generate relative vertical displacement, and then reduce vertical constraint of the arm to the soil body, reduce experiment
Error, while integrally-built dismounting is also allowed for, there is preferable practicability.
(2) by setting multiple superposition cylinders, the flexibility of cylinder vertical displacement can be further increased, further improves experiment
Effect.
(3) annular protrusion and annular groove is respectively adopted in cartridge part and auxiliary section, simple and reliable for structure, is made convenient for design
It makes.
(4) setting rolling element can reduce the frictional force between cartridge part and auxiliary section, increase sensitivity.
(5) rolling element is located in the peripheral surface of annular protrusion can be convenient for instrumentation operations.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
Fig. 1 is the structure diagram for being used to test the test cylinder of body frost heaving performance described in the utility model embodiment；
Fig. 2 is the structure diagram of the upper shell described in the utility model embodiment；
Fig. 3 is the structure diagram of the superposition cylinder described in the utility model embodiment；
Fig. 4 is the structure diagram of the lower shell described in the utility model embodiment；
Fig. 5 is the structure diagram of the lower retainer and rolling element described in the utility model embodiment；
Reference sign：
1- cylinders, 101- upper shells, 102- lower shells, 103- superposition cylinders, 2- pilot passageway, 3- annular protrusions, 4- annulars
Groove, 5- experiment subchannels, 6- temperature sensors bury hole, 7- balls, 8- retainers.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The present embodiment is related to a kind of test cylinder for being used to test body frost heaving performance, as shown in Fig. 1 combinations Fig. 2 to Fig. 4,
Including cylinder 1, which is isometrical cylindrical structure, and can be made of organic glass, is formed with inside cylinder 1 and cylinder
Body supplies the pilot passageway 2 of center line setting, and the present embodiment middle cylinder body 1 includes upper shell 101 and lower shell 102, and in upper shell
101 and lower shell 2 on be respectively formed with it is corresponding experiment subchannel 5, connected for the ease of upper shell 101 and lower shell 102,
Cartridge part is formed in 102 one end of lower shell in the present embodiment, is formed in 101 one end of upper shell for cartridge part activity grafting
Auxiliary section.
In above-mentioned structure, cartridge part is the annular protrusion 3 that ring test channel 2 is set, and auxiliary section is ring test channel 2
The annular groove 4 of setting, the internal diameter of annular protrusion 3 is equal with 2 diameter of pilot passageway in the present embodiment, and outer diameter is then less than cylinder
1 outer diameter, and the outer diameter that the diameter of annular groove 4 is less than cylinder 1 is adapted setting with the outer diameter with annular protrusion 3.It is using
When, by the way that the auxiliary section on upper shell 101 is set on the cartridge part on lower shell 102, upper shell 101 is under at this time
Experiment subchannel on cylinder 102 is connected into pilot passageway 2, when the soil expansion in pilot passageway 2 and contraction, upper shell
It is then produced relative sliding between 101 and lower shell 102 and generates displacement.
This further includes more between lower shell 102 and upper shell 101 for the test cylinder of testing body frost heaving performance
A superposition cylinder 103 is also formed with experiment subchannel 5 on each superposition cylinder 103, and distinguishes shape in two opposite ends of superposition cylinder 103
Into having above-mentioned a cartridge part and auxiliary section, cylinder 103 is superimposed by setting in the present embodiment, and also set respectively on superposition cylinder 103
Put cartridge part and auxiliary section, so may be such that when in use it is each superposition cylinder 103 between be overlapped mutually, and respectively with upper shell 101
It is inserted with lower shell 102, to realize the connection between lower shell 102, upper shell 101 and superposition cylinder 103.In addition, in order to just
In to burying temperature sensor in pilot passageway 2, it is arranged at intervals along 1 short transverse of cylinder, in the circumferential surface of cylinder 1 in the present embodiment
There are multiple temperature sensors being connected with pilot passageway 2 to bury hole 6, i.e., temperature sensor is buried hole 6 and distinguished in the present embodiment
On the circumferential surface of upper shell 101, lower shell 102 and each superposition cylinder 103, and experiment subchannel corresponding thereto respectively
5 are connected.
In order to reduce the frictional force between cartridge part and auxiliary section, as shown in figure 5, in 3 He of annular protrusion in the present embodiment
Rolling element is provided between annular groove 4, which is ball 7, while for the ease of operating, rolling element quilt in the present embodiment
It is located on the peripheral surface of annular protrusion 3, and for the ease of manufacturing and designing, rolling element is positioned in and convex annular in the present embodiment
It rises on 3 retainers 8 for forming suit cooperation, can first be set with retainer 8 and annular protrusion 3 when in use, then again will
Annular groove 4 is set on retainer 8 and is in rolling contact with rolling element.In addition, when setting retainer and rolling element,
It should ensure that the outer diameter of annular protrusion 3 is less than the diameter of annular groove 4 in the present embodiment.
This for testing the test cylinder of body frost heaving performance when in use, by by lower shell 102, each superposition cylinder 103 with
And upper shell 103 assembles successively, so that adjacent experiment subchannel 5 is respectively communicated with into above-mentioned pilot passageway 2, and will
The lower shell 102 of assembled cylinder 1 is placed on pedestal vertically, and in 101 upper cover upper rminal disc of upper shell, utilize pedestal and top
Disk freezes the soil sample in experiment subchannel 5, in freezing process, upper shell 101, each superposition cylinder 103 and lower shell 102
Between produced relative sliding due to the frost heave of soil sample, and temperature sensor and displacement meter is utilized detect in real time.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. it is a kind of for testing the test cylinder of body frost heaving performance, including cylinder, along the cylinder short transverse, in the cylinder
Circumferential surface be arranged at intervals with multiple temperature sensors and bury hole, it is characterised in that：The cylinder includes lower shell and upper shell, in
Described lower shell one end is formed with cartridge part, and the cooperation for the cartridge part activity grafting is formed in described upper shell one end
Portion.
2. the test cylinder according to claim 1 for being used to test body frost heaving performance, it is characterised in that：It is described to be used to test
The test cylinder of body frost heaving performance further includes multiple superposition cylinders between the lower shell and the upper shell, in described folded
Two opposite ends of cylinder is added to be respectively formed with the cartridge part and auxiliary section.
3. the test cylinder according to claim 1 or 2 for being used to test body frost heaving performance, it is characterised in that：The inserting
Portion is annular protrusion, and the auxiliary section is annular groove.
4. the test cylinder according to claim 3 for being used to test body frost heaving performance, it is characterised in that：In the convex annular
It rises and is provided with rolling element between the annular groove.
5. the test cylinder according to claim 4 for being used to test body frost heaving performance, it is characterised in that：The rolling element quilt
It is located on the peripheral surface of the annular protrusion.
6. the test cylinder according to claim 5 for being used to test body frost heaving performance, it is characterised in that：The rolling element quilt
It is located on the retainer that suit cooperation is formed with the annular protrusion.
7. the test cylinder according to claim 1 for being used to test body frost heaving performance, it is characterised in that：The cylinder is by having
Machine glass is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715062.6U CN207571061U (en) | 2017-12-11 | 2017-12-11 | For testing the test cylinder of body frost heaving performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715062.6U CN207571061U (en) | 2017-12-11 | 2017-12-11 | For testing the test cylinder of body frost heaving performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207571061U true CN207571061U (en) | 2018-07-03 |
Family
ID=62687676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721715062.6U Expired - Fee Related CN207571061U (en) | 2017-12-11 | 2017-12-11 | For testing the test cylinder of body frost heaving performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207571061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781773A (en) * | 2019-03-28 | 2019-05-21 | 凌贤长 | A kind of frost heave device and its detection method being layered telescopic detection soil |
-
2017
- 2017-12-11 CN CN201721715062.6U patent/CN207571061U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781773A (en) * | 2019-03-28 | 2019-05-21 | 凌贤长 | A kind of frost heave device and its detection method being layered telescopic detection soil |
| CN109781773B (en) * | 2019-03-28 | 2021-07-09 | 凌贤长 | Detection method for realizing layered telescopic type frost heaving detection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20201211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |