CN206627352U - A kind of triaxial apparatus with TDR measuring equipments - Google Patents
A kind of triaxial apparatus with TDR measuring equipments Download PDFInfo
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- CN206627352U CN206627352U CN201720277660.3U CN201720277660U CN206627352U CN 206627352 U CN206627352 U CN 206627352U CN 201720277660 U CN201720277660 U CN 201720277660U CN 206627352 U CN206627352 U CN 206627352U
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- tdr
- external pressure
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- cap
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Abstract
It the utility model is related to a kind of triaxial apparatus with TDR measuring equipments, including cushion cap, lowering or hoisting gear, pedestal, external pressure room, specimen mount, high air-entry value pottery clay plates, TDR sensors, copper annulus permeable stone, TDR signal wires, sample cap and TDR controllers；Lowering or hoisting gear is arranged on cushion cap；External pressure room is arranged on pedestal；Specimen mount and sample cap are separately positioned on the bottom and top of copper annulus permeable stone；TDR sensors and high air-entry value pottery clay plates are successively set on inside copper annulus permeable stone from top to bottom；Soil sample to be measured is circumferentially positioned at TDR sensor externals；TDR controllers are placed on external pressure chamber outer wall；TDR sensors are connected by TDR signal wires with TDR controllers；Specimen mount and pedestal are placed on lowering or hoisting gear and with lowering or hoisting gear synchronization liftings；The utility model provides a kind of triaxial apparatus with TDR measuring equipments of the accurately measuring of achievable soil sample saturation degree.
Description
Technical field
The utility model belongs to soil test technique field, is related to a kind of triaxial apparatus, more particularly to a kind of with TDR measurements
The triaxial apparatus of device.
Background technology
The research main difficulty of unsaturated soil is the saturation degree for testing soil sample in soil test, and satisfies currently for soil sample
It is seldom with the instrument of the test of degree, the development of laboratory experiment is annoying always.It is well known that surface on land soil is mostly in nature
Exist with unsaturated state, and the mechanics parameter under unsaturated state is the essential thing for carrying out engineering design and implementation
Reason amount, but be difficult the saturation degree of test soil sample in an experiment, therefore the relation that cannot be established between saturation degree and parameter is given
Engineering design and construction bring very big difficulty.So it is urgently to be resolved hurrily that soil body saturation degree is measured in experiment.Time domain reflection technology
(Time-Domain Reflectometry, abbreviation TDR) is a kind of remote metering technology analyzed back wave, distant
Control position and grasp the parameter status for being measured object, such as saturation degree etc..But it there is no in triaxial test and soil sample measured by TDR
The precedent of saturation degree.
Utility model content
The purpose of this utility model is the needs for overcoming existing test apparatus precisely to test soil body saturation degree, and then
Provide a kind of triaxial apparatus with TDR measuring equipments of the accurately measuring of achievable soil sample saturation degree.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of triaxial apparatus with TDR measuring equipments, including cushion cap, lowering or hoisting gear, pedestal and external pressure room；Lifting dress
Put and be arranged on cushion cap；External pressure room is arranged on pedestal；It is characterized in that：The triaxial apparatus with TDR measuring equipments is also
Including specimen mount, high air-entry value pottery clay plates, TDR sensors, copper annulus permeable stone, TDR signal wires, sample cap and TDR
Controller；The specimen mount and sample cap are separately positioned on the bottom and top of copper annulus permeable stone；The TDR sensings
Device and high air-entry value pottery clay plates are successively set on inside copper annulus permeable stone from top to bottom；Soil sample to be measured is circumferentially positioned at
TDR sensor externals；The TDR controllers are placed on external pressure chamber outer wall；The TDR sensors pass through TDR signal wires and TDR
Controller is connected；The pedestal is fixedly installed on cushion cap；The specimen mount is placed on lowering or hoisting gear and same with lowering or hoisting gear
Step lifting.
Preferably, used by the utility model in specimen mount (22) set crown cap TDR signal wires pass bolt,
Top cap TDR signal wires punched out, bottom TDR signal wires pass bolt and bolt；The specimen mount is bolted on
On lowering or hoisting gear and with lowering or hoisting gear synchronization lifting；The TDR signal wires include top TDR signal wires and bottom TDR signals
Line；The bottom TDR signal wires are passed by bottom TDR signal wires and controlled with the TDR being arranged on external pressure chamber outer wall after bolt
Device processed is connected；The top TDR signal wires pass spiral shell by top cap TDR signal wires punched out and top cap TDR signal wires successively
It is connected after bolt with the TDR controllers being arranged on external pressure chamber outer wall.
Preferably, it is additionally provided with used by the utility model on sample cap with being connected inside copper annulus permeable stone
Top cap nylon tube；Be additionally provided with the specimen mount back-pressure hole and with the curved logical cutting ferrule spiral shell of back-pressure that back-pressure hole connects
Bolt；In the top cap nylon tube access back-pressure hole.
Preferably, external pressure room includes external pressure cover, external pressure ceiling lid, external pressure room used by the utility model
Standing screw, 12 passage rings, air inlet nylon tube and external pressure room inlet opening；The external pressure cover and 12 passage rings are certainly
It is successively set under above on pedestal；The external pressure ceiling lid is placed at the top of external pressure cover and by external pressure room standing screw
It is fixedly connected with 12 passage rings；The external pressure ceiling lid, external pressure cover, 12 passage rings and pedestal form hollow cylinder
Body structure；The external pressure ceiling, which covers, is provided with air inlet nylon tube；External pressure is provided with the side wall of the 12 passage ring
Room inlet opening；The air inlet nylon tube and external pressure room inlet opening inside hollow tube structure respectively with connecting；It is described
TDR controllers are arranged on 12 passage ring outer walls；The TDR signal wires are connected after passing through 12 passage rings with TDR controllers.
Preferably, it is provided with sealing bolt on 12 passage rings used by the utility model；The TDR signal wires are worn
The sealing bolt crossed on 12 passage rings is connected with TDR controllers.
Preferably, lowering or hoisting gear enters including piston rod, piston movement room and artesian water used by the utility model
Water hole；The piston rod is placed in piston movement room and moved freely on the inwall of piston movement room；The piston rod will be living
Plug gymnasium is divided into two parts from top to bottom；The bottom of the piston movement room offers and piston movement room lower portion phase
The artesian water inlet opening of insertion.
The utility model has advantages below compared with prior art：
A kind of triaxial apparatus with TDR measuring equipments provided by the utility model, including cushion cap, lowering or hoisting gear, pedestal with
And external pressure room；Lowering or hoisting gear is arranged on cushion cap；External pressure room is arranged on pedestal；Triaxial apparatus with TDR measuring equipments
Also include specimen mount, high air-entry value pottery clay plates, TDR sensors, copper annulus permeable stone, TDR signal wires, sample cap and
TDR controllers；Specimen mount and sample cap are separately positioned on the bottom and top of copper annulus permeable stone；TDR sensors with
And high air-entry value pottery clay plates are successively set on inside copper annulus permeable stone from top to bottom；Soil sample to be measured is circumferentially positioned at TDR biographies
Outside sensor；TDR controllers are placed on external pressure chamber outer wall；TDR sensors are connected by TDR signal wires with TDR controllers；Examination
Sample base and pedestal are placed on lowering or hoisting gear and with lowering or hoisting gear synchronization liftings.The utility model discloses one kind to carry
The triaxial apparatus of TDR measuring equipments, by installing the TDR sensors in specimen mount and sample cap, it is connected on the controller of outside,
The accurately measuring of soil sample saturation degree is realized, the principle of device is clear and definite, and dismounting is quick, easy to operate, accurate data.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the triaxial apparatus provided by the utility model with TDR measuring equipments；
Fig. 2 is the planar structure schematic diagram of specimen mount used by the utility model；
In figure：
1- piston screw bars；2- fixing bolts；3- external pressure ceiling lids；4- xial feed sensors；5-TDR signal wires；
6- soil samples；7-TDR sensors；8- sealing bolts；The high air-entry value pottery clay plates of 9-；10- vertical displacement sensors；11- lifting platforms；
12- artesian waters；13- cushion caps；14- air inlet nylon tubes；15- external pressures room standing screw；16- confined pressures hole；17- external pressure covers；18-
Top cap nylon tube；19- sample caps；The copper annulus permeable stones of 20-；21-TDR controllers；22- specimen mounts；The passages of 23- 12
Ring；24- external pressures room inlet opening；25- pedestals；26- artesian waters inlet opening；27- back-pressures hole；The curved logical cutting ferrule bolt of 28- back-pressures；
29- bottoms TDR signal wires pass bolt；30- top cap TDR signal wires pass bolt；31- bolts；32- top cap TDR signal wires are worn
Portal, 33- external pressures room water.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Referring to Fig. 1 to Fig. 2, a kind of triaxial apparatus with TDR measuring equipments, including cushion cap 13, lowering or hoisting gear, pedestal 25 with
And external pressure room；Lowering or hoisting gear is arranged on cushion cap 13；External pressure room is arranged on pedestal 25；This carries TDR measuring equipments
Triaxial apparatus also includes specimen mount 22, high air-entry value pottery clay plates 9, TDR sensors 7, copper annulus permeable stone 20, TDR signal wires
5th, sample cap 19 and TDR controllers 21；Specimen mount 22 and sample cap 19 are separately positioned on copper annulus permeable stone 20
Bottom and top；TDR sensors 7 and high air-entry value pottery clay plates 9 are successively set in copper annulus permeable stone 20 from top to bottom
Portion；Soil sample 6 to be measured is circumferentially positioned at outside TDR sensors 7；TDR controllers 21 are placed on external pressure chamber outer wall；TDR sensors 7
It is connected by TDR signal wires 5 with TDR controllers 21；Pedestal 25 is fixedly installed on cushion cap 13；Specimen mount 22 is placed in lifting dress
Put and with lowering or hoisting gear synchronization lifting.
Crown cap TDR signal wires are set to pass bolt 30, top cap TDR signal wires punched out 32, bottom in specimen mount 22
TDR signal wires pass bolt 29 and bolt 31；Specimen mount 22 is fixed on lowering or hoisting gear by bolt 31 and filled with lifting
Put synchronization lifting；TDR signal wires 5 include top TDR signal wires and bottom TDR signal wires；Bottom TDR signal wires pass through bottom
TDR signal wires are connected after passing bolt 29 with the TDR controllers 21 being arranged on external pressure chamber outer wall；Top TDR signal wires according to
It is secondary after top cap TDR signal wires punched out 32 and top cap TDR signal wires pass bolt 30 be arranged on external pressure chamber outer wall
On TDR controllers 21 be connected.
The top cap nylon tube 18 with being connected inside copper annulus permeable stone 20 is additionally provided with sample cap 19；Specimen mount
Be additionally provided with 22 back-pressure hole 27 and with the curved logical cutting ferrule bolt 28 of back-pressure that back-pressure hole 27 connects；Top cap nylon tube 18 accesses
In back-pressure hole 27.
External pressure room include external pressure cover 17, external pressure ceiling lid 3, external pressure room standing screw 15,12 passage rings 23,
Air inlet nylon tube 14 and external pressure room inlet opening 24；The passage ring 23 of external pressure cover 17 and 12 is successively set on from top to bottom
On pedestal 25；External pressure ceiling lid 3 is placed in the top of external pressure cover 17 and by external pressure room standing screw 15 and 12 passage rings
23 are fixedly connected；External pressure ceiling lid 3, external pressure cover 17,12 passage rings 23 and pedestal 25 form hollow tube structure；
Air inlet nylon tube 14 is provided with external pressure ceiling lid 3；External pressure room inlet opening 24 is provided with the side wall of 12 passage rings 23；
Air inlet nylon tube 14 and external pressure room inlet opening 24 inside hollow tube structure respectively with connecting；TDR controllers 21 are set
Put on the outer wall of 12 passage ring 23；TDR signal wires 5 are connected after passing through 12 passage rings 23 with TDR controllers 21.
Sealing bolt 8 is provided with 12 passage rings 23；TDR signal wires 5 pass through the sealing bolt 8 on 12 passage rings 23
It is connected with TDR controllers 21.
Lowering or hoisting gear includes piston rod, piston movement room and artesian water inlet opening 26；Piston rod is placed in piston movement room
In and move freely on the inwall of piston movement room；Piston movement room is divided into two parts by piston rod from top to bottom；Piston
The bottom of gymnasium offers the artesian water inlet opening 26 to be connected with piston movement room lower portion.
The utility model provides a kind of triaxial apparatus with TDR measuring equipments, including fixing bolt 2, external pressure ceiling
Lid 3, external pressure room standing screw 15, external pressure cover 17, pedestal 25, cushion cap 13, bolt 31.Fixing bolt 2 abuts piston screw
Bar 1, external pressure ceiling lid 3 are pressed on external pressure cover 17, are sealed by external pressure room standing screw 15, and pedestal 25 is located at lifting platform
On 11, cushion cap 13 is located at bottommost.
Control pressurer system include external pressure room water 33, air inlet nylon tube 14, confined pressure hole 16, external pressure room inlet opening 24,
Lifting platform 11, artesian water 12, artesian water inlet opening 26, air inlet nylon tube 14 are connected on confined pressure hole 16, and confined pressure hole 16 is positioned at outer
On balancing gate pit's top cover 3, external pressure room water 33 is that artesian water 12 is intake by artesian water by external pressure room inlet opening 24 plus water
Hole 26, which intakes or absorbed water, controls the lifting of lifting platform 11.
TDR Test system includes TDR signal wires 5, TDR sensors 7, sample cap 19, high air-entry value pottery clay plates 9, top cap Buddhist nun
Imperial pipe 18, copper annulus permeable stone 20, specimen mount 22, sample, back-pressure hole 27, the curved logical cutting ferrule bolt 28 of back-pressure, bottom TDR letters
Number line passes bolt 29, top cap TDR signal wires pass bolt 30, top cap TDR signal wires punched out 32, and specimen mount 22 is positioned at rising
Drop on platform 11, fixed by bolt 31, TDR sensors 7 are located at specimen mount 22 and the center of sample cap 19, bottom TDR signal wires
Bolt 29 is passed by bottom TDR signal wires to pass via the close fixing bolt 8 of 12 passage rings 23, TDR signal wires 5 are via top cap
TDR signal wires punched out 32 passes bolt 30 from top cap TDR signal wires and passed, and the close fixing bolt 8 through 12 passage rings 23 connects
Outside is connected to, is connected on TDR controllers 21, high air-entry value pottery clay plates 9 are located at the top of specimen mount 22 and are surrounded on TDR sensings
Around device 7, copper annulus permeable stone 20 is centered around the periphery of TDR sensors 7, and soil sample 6 is between copper annulus permeable stone 20, top
Cap nylon tube 18 is by the back-pressure hole 27 in specimen mount 22, via the curved logical cutting ferrule bolt 28 of back-pressure, from 12 passage rings 23
Close fixing bolt 8 passes.
Data measurement system includes piston screw bar 1, xial feed sensor 4, vertical displacement sensor 10, xial feed
Sensor 4 is connected with piston screw bar 1, and vertical displacement sensor 10 is fixed on pedestal 25.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
1. a kind of triaxial apparatus with TDR measuring equipments, including cushion cap（13）, lowering or hoisting gear, pedestal（25）And external pressure room；
Lowering or hoisting gear is arranged on cushion cap（13）On；External pressure room is arranged on pedestal（25）On；It is characterized in that：It is described to be measured with TDR
The triaxial apparatus of device also includes specimen mount（22）, high air-entry value pottery clay plates（9）, TDR sensors（7）, copper annulus permeable stone
（20）, TDR signal wires（5）, sample cap（19）And TDR controllers（21）；The specimen mount（22）And sample cap（19）
It is separately positioned on copper annulus permeable stone（20）Bottom and top；The TDR sensors（7）And high air-entry value pottery clay plates
（9）Copper annulus permeable stone is successively set on from top to bottom（20）It is internal；Soil sample to be measured（6）It is circumferentially positioned at TDR sensors（7）
It is outside；The TDR controllers（21）It is placed on external pressure chamber outer wall；The TDR sensors（7）Pass through TDR signal wires（5）With
TDR controllers（21）It is connected；The pedestal（25）It is fixedly installed on cushion cap（13）On；The specimen mount（22）It is placed in lifting dress
Put and with lowering or hoisting gear synchronization lifting.
2. the triaxial apparatus according to claim 1 with TDR measuring equipments, it is characterised in that：The specimen mount（22）
Upper setting crown cap TDR signal wires pass bolt（30）, top cap TDR signal wire punched out（32）, bottom TDR signal wires pass spiral shell
Bolt（29）And bolt（31）；The specimen mount（22）Pass through bolt（31）It is fixed on lowering or hoisting gear and same with lowering or hoisting gear
Step lifting；The TDR signal wires（5）Including top TDR signal wires and bottom TDR signal wires；The bottom TDR signal wires lead to
Cross bottom TDR signal wires and pass bolt（29）TDR controllers with being arranged on external pressure chamber outer wall afterwards（21）It is connected；The top
Portion's TDR signal wires pass through top cap TDR signal wire punched out successively（32）And top cap TDR signal wires pass bolt（30）Afterwards with setting
Put the TDR controllers on outer pressure chamber outer wall（21）It is connected.
3. the triaxial apparatus according to claim 2 with TDR measuring equipments, it is characterised in that：The sample cap（19）On
It is additionally provided with and copper annulus permeable stone（20）The top cap nylon tube that inside connects（18）；The specimen mount（22）On also set
It is equipped with back-pressure hole（27）And with back-pressure hole（27）The curved logical cutting ferrule bolt of back-pressure to connect（28）；The top cap nylon tube（18）
Access back-pressure hole（27）In.
4. the triaxial apparatus with TDR measuring equipments according to claim 1 or 2 or 3, it is characterised in that：The external pressure
Room includes external pressure cover（17）, external pressure ceiling lid（3）, external pressure room standing screw（15）, 12 passage rings（23）, air inlet Buddhist nun
Long Guan（14）And external pressure room inlet opening（24）；The external pressure cover（17）And 12 passage ring（23）From top to bottom successively
It is arranged on pedestal（25）On；The external pressure ceiling lid（3）It is placed in external pressure cover（17）Spiral shell is simultaneously fixed in top by external pressure room
Bar（15）With 12 passage rings（23）It is fixedly connected；The external pressure ceiling lid（3）, external pressure cover（17）, 12 passage rings
（23）And pedestal（25）Form hollow tube structure；The external pressure ceiling lid（3）On be provided with air inlet nylon tube（14）；
The 12 passage ring（23）Side wall on be provided with external pressure room inlet opening（24）；The air inlet nylon tube（14）And external pressure
Power room inlet opening（24）Respectively with being connected inside hollow tube structure；The TDR controllers（21）It is arranged on 12 passages
Ring（23）On outer wall；The TDR signal wires（5）Through 12 passage rings（23）Afterwards with TDR controllers（21）It is connected.
5. the triaxial apparatus according to claim 4 with TDR measuring equipments, it is characterised in that：The 12 passage ring
（23）On be provided with sealing bolt（8）；The TDR signal wires（5）Through 12 passage rings（23）On sealing bolt（8）With
TDR controllers（21）It is connected.
6. the triaxial apparatus according to claim 5 with TDR measuring equipments, it is characterised in that：The lowering or hoisting gear includes
Piston rod, piston movement room and artesian water inlet opening（26）；The piston rod is placed in piston movement room and in piston movement
Moved freely on the inwall of room；Piston movement room is divided into two parts by the piston rod from top to bottom；The piston movement room
Bottom offer the artesian water inlet opening to be connected with piston movement room lower portion（26）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277660.3U CN206627352U (en) | 2017-03-21 | 2017-03-21 | A kind of triaxial apparatus with TDR measuring equipments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277660.3U CN206627352U (en) | 2017-03-21 | 2017-03-21 | A kind of triaxial apparatus with TDR measuring equipments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206627352U true CN206627352U (en) | 2017-11-10 |
Family
ID=60208971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720277660.3U Expired - Fee Related CN206627352U (en) | 2017-03-21 | 2017-03-21 | A kind of triaxial apparatus with TDR measuring equipments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206627352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387619A (en) * | 2018-02-07 | 2018-08-10 | 西安交通大学 | A kind of frozen soil of controllable stress state does not freeze device for testing water content device |
-
2017
- 2017-03-21 CN CN201720277660.3U patent/CN206627352U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387619A (en) * | 2018-02-07 | 2018-08-10 | 西安交通大学 | A kind of frozen soil of controllable stress state does not freeze device for testing water content device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |