CN201575952U - Multi-head soil three-axis rheological testing machine - Google Patents
Multi-head soil three-axis rheological testing machine Download PDFInfo
- Publication number
- CN201575952U CN201575952U CN200920094608XU CN200920094608U CN201575952U CN 201575952 U CN201575952 U CN 201575952U CN 200920094608X U CN200920094608X U CN 200920094608XU CN 200920094608 U CN200920094608 U CN 200920094608U CN 201575952 U CN201575952 U CN 201575952U
- Authority
- CN
- China
- Prior art keywords
- confined pressure
- fixedlyed connected
- frame
- fixedly connected
- loading system
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a multi-head soil three-axis rheological testing machine, belonging to the field of testing instruments. Three axial loading systems are arranged in parallel and are fixedly connected with the lower surface of a bedplate of a frame; three enclosed pressure chambers are fixedly connected with the upper surface of the bedplate of the frame respectively; three enclosed pressure loading systems are fixedly connected with a base plate of the frame; three electronic balances used for measuring pore water flow rate are respectively and fixedly connected with a bearing plate below the bedplate of the frame; a pressure transmitter used for measuring the enclosed pressure and a pressure transmitter used for measuring the pore water pressure are fixedly connected with the base; and a grating sensor used for measuring the axial deformation of the sample is fixed on the bracket of the base of the enclosed pressure chamber. The multi-head soil three-axis rheological testing machine has the following advantages: the structure is novel; three enclosed pressure chambers, three axial loading systems and three enclosed pressure loading systems are arranged on one frame so as to test three samples at one time, the testing efficiency is improved greatly; and the use is convenient and flexible and the long-time operation is reliable.
Description
Technical field
The utility model belongs to the test apparatus field, is used for the rheology testing of soil under the triaxial stress effect.
Background technology
The rheological property of soil under the triaxial stress effect, it is an essential problem of understanding in construction work and the research and teaching, the more existing both at home and abroad variety production of its testing tool, all these instruments all are single heads, both once can only test a sample, efficient is lower, and is long for test period, the more rheological test of sample raise the efficiency with automaticity be very important.
Summary of the invention
The utility model provides a kind of bull soil body triaxial rheology testing machine, all is single head to solve present testing tool, the problem that efficient is lower, the time is long.The technical scheme that the utility model is taked is: three cover axial loading system one, axial loading systems two, axial loading system three are fixedlyed connected below the platen of frame respectively side by side, fixedly connected respectively with above the platen of frame in three cover confined pressure chambers one, confined pressure chamber two, confined pressure chamber three, three cover confined pressure loading systems one, confined pressure loading system two, confined pressure loading system three are fixedlyed connected with the base plate of frame respectively; Three electronic balances that are used to measure hole discharge are fixedlyed connected with the support plate under the frame platen respectively; The pressure unit of surveying confined pressure is fixedlyed connected with base with the pressure unit of gaging hole crack pressure, the grating sensor of measuring the sample axial deformation is fixedly on the support of confined pressure chamber base, one leading-off rods is arranged on down-pressed pole, and the zeroing screw crown on it is to the push rod of this grating sensor.
A kind of embodiment of the utility model is: the structure of axial loading system is that AC servo motor, spiral gear worm type of reduction gearing, ball screw pair and trombone slide are fixedlyed connected with carrying cylinder, this carrying cylinder is fixedlyed connected with frame, the nut of ball screw pair is fixedlyed connected with this trombone slide, and trombone slide is fixedlyed connected with down-pressed pole.
A kind of embodiment of the utility model is: the confined pressure cell structure is to be fixedlyed connected with the organic glass tube by base, loam cake closely is connected with the organic glass tube by connecting link, it is indoor and fixedly connected with loam cake that force cell is positioned at confined pressure, and upperpush rod is fixedlyed connected with this force cell.
The utility model has the advantages that novel structure, on a frame, settled three cover confined pressure chambers, axial compression loading system and confined pressure loading system, and, can once test three samples simultaneously, improved test efficiency greatly by three digital controller controls.Because the collecting and distributing control system that has adopted digital controller and computing machine to form, and survey advanced technologies such as distortion, electronic balance gaging hole crack discharge in the indoor sensor dynamometry of confined pressure, grating sensor, make this instrument also have measuring accuracy and automaticity height, easy to use flexibly, characteristics such as reliable operation when growing.
Description of drawings
Fig. 1 the utility model structure front elevation;
Fig. 2 the utility model structure side view.
Embodiment
Three cover axial loading system 1, axial loading systems 26, axial loading system 3 10 are fixedlyed connected below the platen of frame 1 respectively side by side, fixedly connected respectively with above the platen of frame 1 in three cover confined pressure chambers 1, confined pressure chamber 27, confined pressure chamber 39, three cover confined pressure loading systems 1, confined pressure loading system 25, confined pressure loading system 3 11 are fixedlyed connected with the base plate of frame 1 respectively; Three electronic balances 8 that are used to measure hole discharge are fixedlyed connected with the support plate under the frame platen respectively; The structure of axial loading system is that AC servo motor 12, spiral gear worm type of reduction gearing 13, ball screw pair 14 and trombone slide 16 are fixedlyed connected with carrying cylinder 15, this carrying cylinder is fixedlyed connected with frame, the nut of ball screw pair 14 is fixedlyed connected with this trombone slide, and trombone slide is fixedlyed connected with down-pressed pole 17; The confined pressure cell structure is to be fixedlyed connected with organic glass tube 23 by base 19, loam cake 26 closely is connected with the organic glass tube by connecting link, it is indoor and fixedly connected with loam cake 26 that force cell 25 is positioned at confined pressure, upperpush rod 24 is fixedlyed connected with this force cell, the pressure unit 21 of surveying confined pressure is fixedlyed connected with base with the pressure unit 20 of gaging hole crack pressure, the grating sensor 18 of measuring the sample axial deformation is fixedly on the support of confined pressure chamber base 19, one leading-off rods is arranged on down-pressed pole 17, and the zeroing screw crown on it is to the push rod of this grating sensor.
During work, sample 22 is placed between down-pressed pole and the upperpush rod, AC servo motor is by the spiral gear worm type of reduction gearing, the leading screw that drives ball screw pair rotates, because a guide arm is arranged on the nut of ball screw pair, it can not be rotated can only move up and down, and applies axial force by trombone slide and the 17 pairs of samples 22 of down-pressed pole that are fixed on the nut.It is indoor that force cell 25 is positioned at confined pressure, and the power that affacts on the sample directly passes on the force cell by upperpush rod 24, avoided that present domestic with quasi-instrument force cell to be placed on confined pressure outdoor, and the depression bar friction of being brought is to the influence of dynamometry precision.The grating sensor 18 of measuring the sample axial deformation is fixedly on the support of confined pressure chamber base 19, one leading-off rods is arranged on down-pressed pole 17, the zeroing screw crown on it is to the push rod of grating sensor, when the down-pressed pole rising makes sample produce distortion, the push rod of grating sensor moves thereupon, measures sample deformation thus.
During the work of confined pressure loading system, the piston in the pressurized cylinder moves the water generates pressure in confined pressure chamber and the pressurized cylinder, under the control of confined pressure controller, makes the confined pressure chamber keep certain test pressure.
The pore water flow adopts electronic balance to measure, and measured sample pore water weight is passed to computing machine, is converted into volume by computing machine again.
Claims (3)
1. bull soil body triaxial rheology testing machine, it is characterized in that: three cover axial loading system one, axial loading systems two, axial loading system three are fixedlyed connected below the platen of frame respectively side by side, fixedly connected respectively with above the platen of frame in three cover confined pressure chambers one, confined pressure chamber two, confined pressure chamber three, three cover confined pressure loading systems one, confined pressure loading system two, confined pressure loading system three are fixedlyed connected with the base plate of frame respectively; Three electronic balances that are used to measure hole discharge are fixedlyed connected with the support plate under the frame platen respectively; The pressure unit of surveying confined pressure is fixedlyed connected with base with the pressure unit of gaging hole crack pressure, the grating sensor of measuring the sample axial deformation is fixedly on the support of confined pressure chamber base, one leading-off rods is arranged on down-pressed pole, and the zeroing screw crown on it is to the push rod of this grating sensor.
2. bull soil body triaxial rheology testing machine according to claim 1, it is characterized in that: the structure of axial loading system is that AC servo motor, spiral gear worm type of reduction gearing, ball screw pair and trombone slide are fixedlyed connected with carrying cylinder, this carrying cylinder is fixedlyed connected with frame, the nut of ball screw pair is fixedlyed connected with this trombone slide, and trombone slide is fixedlyed connected with down-pressed pole.
3. bull soil body triaxial rheology testing machine according to claim 1, it is characterized in that: the confined pressure cell structure is to be fixedlyed connected with the organic glass tube by base, loam cake closely is connected with the organic glass tube by connecting link, it is indoor and fixedly connected with loam cake that force cell is positioned at confined pressure, and upperpush rod is fixedlyed connected with this force cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920094608XU CN201575952U (en) | 2009-10-30 | 2009-10-30 | Multi-head soil three-axis rheological testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920094608XU CN201575952U (en) | 2009-10-30 | 2009-10-30 | Multi-head soil three-axis rheological testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201575952U true CN201575952U (en) | 2010-09-08 |
Family
ID=42695828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920094608XU Expired - Fee Related CN201575952U (en) | 2009-10-30 | 2009-10-30 | Multi-head soil three-axis rheological testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201575952U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128741A (en) * | 2010-11-23 | 2011-07-20 | 山东大学 | Triaxial rheological test process and method for hard and crisp rock |
| CN102854058A (en) * | 2012-10-11 | 2013-01-02 | 中山大学 | Triaxial multiplex and synchronous axial loading system for rock |
| CN102854057A (en) * | 2012-10-11 | 2013-01-02 | 中山大学 | Triaxial multiplex and synchronous loading system for rock |
-
2009
- 2009-10-30 CN CN200920094608XU patent/CN201575952U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128741A (en) * | 2010-11-23 | 2011-07-20 | 山东大学 | Triaxial rheological test process and method for hard and crisp rock |
| CN102854058A (en) * | 2012-10-11 | 2013-01-02 | 中山大学 | Triaxial multiplex and synchronous axial loading system for rock |
| CN102854057A (en) * | 2012-10-11 | 2013-01-02 | 中山大学 | Triaxial multiplex and synchronous loading system for rock |
| CN102854057B (en) * | 2012-10-11 | 2015-11-25 | 中山大学 | The polynary synchronous loading system of a kind of rock three axle |
| CN102854058B (en) * | 2012-10-11 | 2015-11-25 | 中山大学 | The polynary synchronous axial loading system of a kind of rock three axle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206920243U (en) | A kind of uniaxial compression test device | |
| CN201611288U (en) | Vertical pressure applying device for measuring piezoresistive property of material | |
| CN202947984U (en) | Measurement device for specific heat ratio of gas | |
| CN202974240U (en) | Rudder clearance measurement device | |
| CN203117060U (en) | Stratometer | |
| CN203455227U (en) | Point load test instrument | |
| CN204461304U (en) | A kind of tube wall thickness analyzer | |
| CN201575952U (en) | Multi-head soil three-axis rheological testing machine | |
| CN202903627U (en) | Mine rock hardness measuring device | |
| CN203595632U (en) | Automatic constant-pressure concrete creep instrument | |
| CN113588377A (en) | Improved soil cutter device for accurately preparing undisturbed soil triaxial sample | |
| CN211905361U (en) | Suction control type unsaturated soil consolidation apparatus capable of accurately measuring sample displacement | |
| CN205580854U (en) | Anti compression testing machine that rolls over of cement | |
| CN202229903U (en) | Wind tunnel tester | |
| CN210427209U (en) | Experimental fixture for measuring bending property of metal mesh | |
| CN202649055U (en) | Wood bending strength detecting equipment for structure | |
| CN207964443U (en) | Measure the triaxial tests instrument balancing gate pit of rock sample bulk strain | |
| CN203011315U (en) | Device for detecting diaphragm depth of gas meter | |
| CN202762661U (en) | Height separation device of ceramic ring | |
| CN201757646U (en) | Forcing press levelness detection apparatus | |
| CN202855142U (en) | Boyle law experiment device | |
| CN213580322U (en) | Air pressure three-axis sample preparation device | |
| CN109932246B (en) | Geosynthetic material roof pressure creep test device | |
| CN207763750U (en) | A kind of vehicle-mounted mobile metering device | |
| CN209215141U (en) | A kind of novel portable electronics Brinell hardness tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20141030 |
|
| EXPY | Termination of patent right or utility model |