CN109443951A - A kind of function of the axial asynchronous torsional deflection in measurement multilayer thin body material edge folds ring - Google Patents
A kind of function of the axial asynchronous torsional deflection in measurement multilayer thin body material edge folds ring Download PDFInfo
- Publication number
- CN109443951A CN109443951A CN201811206041.0A CN201811206041A CN109443951A CN 109443951 A CN109443951 A CN 109443951A CN 201811206041 A CN201811206041 A CN 201811206041A CN 109443951 A CN109443951 A CN 109443951A
- Authority
- CN
- China
- Prior art keywords
- function
- ring
- bracket
- folds
- body material
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/26—Investigating twisting or coiling properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
Abstract
A kind of function the invention discloses measurement multilayer thin body material along axial asynchronous torsional deflection folds ring, it is related to ground ring and cuts the field of test technology, is related to including that the function with impression orbit folds ring, highly sensitive linear displacement transducer, the fixed bracket of adjustable linear displacement transducer and erecting bed.Folded ring outer edge uses the elliptical shape with function formula, is contacted by lateral wall groove with highly sensitive linear displacement transducer, can calculate the real-time windup-degree of each stacking ring indirectly by ellipse formula and highly sensitive linear displacement transducer.Apparatus of the present invention solve torsion shear apparatus in the test of current interface shearing can not in real-time measurement multilayer geosynthetics sample the displacement vector of each layer deficiency, have easy to process, feasibility is good, makes cheap advantage；Present apparatus principle can be applied to any plate body (comprising cloth-like) material interface friction test instrument (including large-scale torsion shear apparatus) design, open a new mentality of designing for it.
Description
Technical field
The present invention relates to ground rings to cut the field of test technology, and in particular to a kind of measurement multilayer thin body material edge is axial non-same
The function for walking torsional deflection folds ring.
Background technique:
Ever-increasing municipal solid wastes quantum of output and urgently handle waste cumulant be urban construction and hair
The problem that must be solved in exhibition.Sanitary landfills is the main processing ways of China at this stage at present, while being also garbage disposal must
Indispensable final process means.Liner system is the most important component part of landfill yard, is layed in as a kind of waterpower barrier
The bottom of landfill yard and four is surveyed, and function is for solid waste is isolated in order to avoid soil to landfill yard surrounding and underground water generate
Pollution.
Liner system is made of multilayer geosynthetics, i.e. geomembrane, geotextiles, geonet, GCL, composite, water-drain
Net etc..Modern city sanitary filling field has reached 170 meters in high, the large-scale trend developed, the maximum height of external landfill yard,
The maximum height of domestic landfill yard is also up to more than 100 meters.The overall stability of landfill yard is to realize that refuse landfill is safe and healthy
Important prerequisite, the intensity of liner system is most important for the overall stability of landfill yard, the group based on geosynthetics
At composite pad interface shearing characteristic will to become control Modern landfill field stable and carry out Modern landfill field and translate failure analysis
An important factor.
At present between research different materials interface the common test method of shear property be large-scale direct shear test, torsion shear test and
Ramp test, large direct shear apparatus and inclined plate instrument because its etc. the lesser defective of displacement vector under the sections of shear, be generally used for
Peak strength characteristic between research material is not particularly suited for residual strength characteristic between research material；And torsion shear apparatus theoretically has nothing
Displacement vector is limited, and the section of shear remains unchanged, therefore is introduced by related scholar special for the residual strength between research material
Property.But so far, existing torsion shear apparatus is functionally only used for the shear property between research materials at two layers, or has and grinding
When studying carefully multilayer geosynthetics boundary face shear property, it can not cut each layer in real-time measurement multilayer geosynthetics sample
The deficiency of displacement is cut, main reason is that geosynthetics thinner thickness and there are soft base materials.Therefore research multilayer geotechnique
The test of synthetic material composite pad shear property is still among exploration.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide one kind can be in real-time measurement composite pad
The technical solution of each layer geosynthetics displacement vector, i.e. one kind can be used for measuring multilayer thin body material along axial asynchronous
The function of torsional deflection folds loop device.
A kind of function of the axial asynchronous torsional deflection in measurement multilayer thin body material edge folds ring, including function folds ring, displacement
Sensor, fixed bracket and erecting bed, the function is folded to be located on above erecting bed, and the fixed bracket is fixed at erecting bed
On, the folded ring of the function is folded ring by several and is formed by stacking, lateral wall and the non-rigid contact connectio of displacement sensor, institute's rheme
Displacement sensor is fixedly connected with fixed bracket.
Preferably, it is that specific dimensions are round that the function, which folds the inner sidewall of ring, and outside is the ellipse with function formula,
And it is machined with smooth groove.
Preferably, the upper and lower surface that the function folds ring is machined with impression orbit, between adjacent layer impression orbit mutually
Overlapping forms channel, and adjacent layer impression orbit channel is embedded with several Miniature balls.
Preferably, institute's displacement sensors are a kind of highly sensitive linear displacement transducer comprising shell, telescopic rod and
Miniature idler wheel, one end of the telescopic rod are slidably socketed in the inside of the shell, and the inside of the shell is equipped with spring, described
Miniature idler wheel rotation is set to the other end of telescopic rod.
Preferably, the fixed bracket includes bracket shell, height adjustment knob, bracket telescopic rod, fixture and pedestal, institute
It states pedestal to be fixedly connected with erecting bed, the bracket telescopic rod is socketed on the inside of bracket shell, and the height adjustment knob is set
In the junction of bracket shell and bracket telescopic rod, the fixture is fixed on the end of bracket telescopic rod, and the fixture is held on
The outside of shell.
Preferably, the lateral wall that the function folds ring is equipped with the smooth groove connected with miniature idler wheel.
The present invention has the advantages that this kind measurement multilayer thin body material folds ring along the function of axial asynchronous torsional deflection,
Solve existing torsion shear apparatus can not in real-time measurement multilayer geosynthetics sample each layer displacement vector defect, for research and development
The test apparatus of multilayer geosynthetics composite pad shear property provides technical support.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is three-dimensional cut away view of the invention.
Fig. 3 is top view of the invention.
Fig. 4 is the schematic three dimensional views that ring is folded in the present invention.
Fig. 5 is the sectional front view that ring is folded in the present invention.
Fig. 6 is displacement sensor and support bracket fastened schematic three dimensional views in the present invention.
Wherein: 1: function folds ring, 1-1: impression orbit, 1-2: smooth groove, 1-3: Miniature ball, 1-4: inner sidewall, and 2:
Displacement sensor, 2-1: shell, 2-2: telescopic rod, 2-3: miniature idler wheel, 3: fixed bracket, 3-1: bracket shell, 3-2: height
Adjusting knob, 3-3: bracket telescopic rod, 3-4: fixture, 3-5: pedestal, 4: erecting bed.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figures 1 to 6, a kind of measurement multilayer thin body material folds ring, packet along the function of axial asynchronous torsional deflection
It including function and folds ring 1, displacement sensor 2, fixed bracket 3 and erecting bed 4, the function folds ring 1 above erecting bed 4, and every layer
Folded ring is fixedly connected in sample, and axially opposing displacement can occur with erecting bed 4, and the fixed bracket 3 is fixed at erecting bed 4
On, the folded ring 1 of the function is folded ring by several and is formed by stacking, and lateral wall and the non-rigid contact connectio of displacement sensor 2 are described
Displacement sensor 2 is fixedly connected with fixed bracket 3.
It is worth noting that, the inner sidewall 1-4 that the function folds ring 1 is that specific dimensions are round, outside is with function public affairs
The ellipse of formula, circular inner sidewall are used for adhesive test material；It is machined with smooth groove on oval lateral wall, for being straight line
Displacement sensor front end idler wheel provides constraint and flexible migration path.
In the present embodiment, the upper and lower surface that the function folds ring 1 is machined with impression orbit 1-1, adjacent layer groove tracks
It is superimposed with each other to form channel between mark 1-1, the channel adjacent layer impression orbit 1-1 is embedded with several Miniature ball 1-3, passes through
Impression orbit 1-1 and Miniature ball 1-3 (see Fig. 4) folds rubbing for interannular to realize the fixation of folded interannular deformation trace and reduce
It wipes, purpose one is to eliminate function to fold interannular frictional force, and purpose two folds ring for adjacent function and provides displacement constraint.
In the present embodiment, institute's displacement sensors 2 are a kind of highly sensitive linear displacement transducer comprising shell 2-
1, telescopic rod 2-2 and miniature idler wheel 2-3, one end of the telescopic rod 2-2 is slidably socketed in the inside of the shell 2-1, described
The inside of shell 2-1 is equipped with spring, has certain contractility, for keeping miniature idler wheel 2-3 and folded ring lateral wall smooth recessed
It is in close contact in real time between slot 1-2, the miniature idler wheel 2-3 rotation is set to the other end of telescopic rod 2-2.
In the present embodiment, the fixed bracket 3 includes bracket shell 3-1, height adjustment knob 3-2, bracket telescopic rod
3-3, fixture 3-4 and pedestal 3-5, the pedestal 3-5 are fixedly connected with erecting bed 4, and the bracket telescopic rod 3-3 is socketed on bracket
The inside of shell 3-1, the height adjustment knob 3-2 is set to the junction of bracket shell 3-1 and bracket telescopic rod 3-3, described
Fixture 3-4 is fixed on the end of bracket telescopic rod 3-3, and the fixture 3-4 is held on the outside of shell 2-1.
In the present embodiment, the lateral wall that the function folds ring 1 is equipped with the smooth groove connected with miniature idler wheel 2-3
1-2, miniature idler wheel 2-3 are moved along the track lateral wall smooth groove 1-2, drive displacement to pass with the elliptical orbit that function defines
2 stretching motion of sensor folds the real-time corner of ring 1 by can be calculated function, and inner sidewall 1-4 is for being bonded thin body material.
Based on above-mentioned, function folded ring of this kind measurement multilayer thin body material along axial asynchronous torsional deflection, every layer functions
Folded 1 inner sidewall 1-4 of ring bonding applies thin body material, it is desirable that the thickness that function folds ring 1 is less than thin body material thickness, adopts between folded ring
Folded ring relative torsion track is locked with the impression orbit 1-1 of embedded Miniature ball 1-3 and largely eliminates friction, is folded
Ring outer edge uses the elliptical shape defined with certain function, every stacking ring driven during real-time torsion (extruding or
Pull) highly sensitive 2 telescopic displacement of linear displacement transducer movement, by highly sensitive 2 stroke of linear displacement transducer with
And elliptic function is calculated indirectly, and then obtains the real-time windup-degree of each layer of thin body material.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (6)
1. a kind of measurement multilayer thin body material folds ring along the function of axial asynchronous torsional deflection, including function folds ring (1), displacement
Sensor (2), fixed bracket (3) and erecting bed (4), the function fold ring (1) above erecting bed (4), the fixed branch
Frame (3) is fixed on erecting bed (4), which is characterized in that and the function, which folds ring (1) and folds ring by several, to be formed by stacking, outside
Side wall and displacement sensor (2) non-rigid contact connectio, institute's displacement sensors (2) are fixedly connected with fixed bracket (3).
2. a kind of measurement multilayer thin body material according to claim 1 folds ring along the function of axial asynchronous torsional deflection,
It is characterized by: the inner sidewall (1-4) that the function folds ring (1) is that specific dimensions are round, outside is with the ellipse of function formula
Circle, and it is machined with smooth groove (1-2).
3. a kind of measurement multilayer thin body material according to claim 2 folds ring along the function of axial asynchronous torsional deflection,
It is characterized by: the upper and lower surface that the function folds ring (1) is machined with impression orbit (1-1), adjacent layer impression orbit (1-1)
Between be superimposed with each other to form channel, adjacent layer impression orbit (1-1) channel is embedded with several Miniature balls (1-3).
4. a kind of measurement multilayer thin body material according to claim 1 folds ring along the function of axial asynchronous torsional deflection,
It is characterized by: institute's displacement sensors (2) are a kind of highly sensitive linear displacement transducer comprising shell (2-1) stretches
One end of bar (2-2) and miniature idler wheel (2-3), the telescopic rod (2-2) is slidably socketed in the inside of the shell (2-1), institute
The inside for stating shell (2-1) is equipped with spring, and miniature idler wheel (2-3) rotation is set to the other end of telescopic rod (2-2).
5. a kind of measurement multilayer thin body material according to claim 4 folds ring along the function of axial asynchronous torsional deflection,
It is characterized by: the fixed bracket (3) includes bracket shell (3-1), height adjustment knob (3-2), bracket telescopic rod (3-
3), fixture (3-4) and pedestal (3-5), the pedestal (3-5) are fixedly connected with erecting bed (4), the bracket telescopic rod (3-3)
It is socketed on the inside of bracket shell (3-1), the height adjustment knob (3-2) is set to bracket shell (3-1) and bracket telescopic rod
The junction of (3-3), the fixture (3-4) are fixed on the end of bracket telescopic rod (3-3), and the fixture (3-4) is held on shell
The outside of body (2-1).
6. a kind of measurement multilayer thin body material according to claim 1 folds ring along the function of axial asynchronous torsional deflection,
It is characterized by: the lateral wall that the function folds ring (1) is equipped with the smooth groove (1-2) connected with miniature idler wheel (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206041.0A CN109443951B (en) | 2018-10-17 | 2018-10-17 | Function stack ring for measuring axial asynchronous torsional deformation of multilayer thin material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206041.0A CN109443951B (en) | 2018-10-17 | 2018-10-17 | Function stack ring for measuring axial asynchronous torsional deformation of multilayer thin material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109443951A true CN109443951A (en) | 2019-03-08 |
| CN109443951B CN109443951B (en) | 2021-09-28 |
Family
ID=65546469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811206041.0A Active CN109443951B (en) | 2018-10-17 | 2018-10-17 | Function stack ring for measuring axial asynchronous torsional deformation of multilayer thin material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443951B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308263A (en) * | 2019-07-18 | 2019-10-08 | 天水红山试验机有限公司 | A kind of coarse-grained soil compression test pressure chamber |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191007077A (en) * | 1910-03-21 | 1910-11-24 | Harold Williamson Lake | Improvements in and relating to Machines for Manufacturing Metal Ring Fabrics. |
| EP0033194A2 (en) * | 1980-01-10 | 1981-08-05 | MORGAN CONSTRUCTION COMPANY (a Massachusetts corporation) | Steel rod rolling process, and apparatus |
| EP0053722A2 (en) * | 1980-12-08 | 1982-06-16 | Akzo GmbH | Ink ribbon, its manufacture and application |
| US5639641A (en) * | 1992-09-09 | 1997-06-17 | Immunogen Inc. | Resurfacing of rodent antibodies |
| WO1998029648A1 (en) * | 1996-12-31 | 1998-07-09 | Douglas Ayres | Internal combustion engines utilizing variable compression complete unit charge air/fuel injection or transference |
| CN1787428A (en) * | 2004-12-06 | 2006-06-14 | 广东工业大学 | Multi-foldable circle face chaos circuit |
| CN101603903A (en) * | 2009-07-07 | 2009-12-16 | 河海大学 | Stacked ring type boxshear apparatus and to the method for testing composite liner material |
| CN201449359U (en) * | 2009-07-07 | 2010-05-05 | 河海大学 | Superposed ring type dual-purpose (direct-shear and single-shear) shear apparatus |
| CN102323166A (en) * | 2011-08-19 | 2012-01-18 | 河海大学 | Cascade circular inclined plane shearing apparatus |
| CN102518901A (en) * | 2011-11-24 | 2012-06-27 | 陈墅庚 | Plunger type multifunctional pipeline compensator |
| CN103292732A (en) * | 2013-05-20 | 2013-09-11 | 华中科技大学 | Method and telescopic device for measuring large free-form surfaces in on-machine manner |
| CN104142277A (en) * | 2014-08-08 | 2014-11-12 | 重庆大学 | Soil body torsion shear seepage testing device and testing method |
| CN204536164U (en) * | 2015-03-25 | 2015-08-05 | 河海大学 | A kind of indoor measurement soil sample gas-phase permeation coefficient unit |
| CN105571957A (en) * | 2016-02-02 | 2016-05-11 | 河海大学 | Large model box for measuring shear strength of coarse-grained soil and use method |
| CN106175674A (en) * | 2016-06-30 | 2016-12-07 | 浙江中医药大学 | A kind of somatic data harvester of lever location maneuver |
| US9737106B1 (en) * | 2017-02-17 | 2017-08-22 | Thomas Calvin Cannon, Jr. | Method and apparatus for mitigating concussions |
| CN107782521A (en) * | 2017-02-28 | 2018-03-09 | 浙江大学 | A kind of three-dimensional mobile decoupling periodic structure for shake table model casing |
| CN108037023A (en) * | 2018-02-01 | 2018-05-15 | 福建省地质工程勘察院 | A kind of folded ring shear box and the stacked ring type shearing test based on folded ring shear box |
| CN108225945A (en) * | 2018-02-01 | 2018-06-29 | 福建省地质工程勘察院 | A kind of stacked ring type ring shear apparatus and stacked ring shear test |
| CN108398776A (en) * | 2018-03-30 | 2018-08-14 | 河北工业大学 | A kind of general level adjusting apparatus adapted on microscope |
| CN207832592U (en) * | 2018-02-01 | 2018-09-07 | 福建省地质工程勘察院 | A kind of stacked ring type ring suitable for stacked ring type shearing test cuts box |
-
2018
- 2018-10-17 CN CN201811206041.0A patent/CN109443951B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191007077A (en) * | 1910-03-21 | 1910-11-24 | Harold Williamson Lake | Improvements in and relating to Machines for Manufacturing Metal Ring Fabrics. |
| EP0033194A2 (en) * | 1980-01-10 | 1981-08-05 | MORGAN CONSTRUCTION COMPANY (a Massachusetts corporation) | Steel rod rolling process, and apparatus |
| EP0053722A2 (en) * | 1980-12-08 | 1982-06-16 | Akzo GmbH | Ink ribbon, its manufacture and application |
| US5639641A (en) * | 1992-09-09 | 1997-06-17 | Immunogen Inc. | Resurfacing of rodent antibodies |
| WO1998029648A1 (en) * | 1996-12-31 | 1998-07-09 | Douglas Ayres | Internal combustion engines utilizing variable compression complete unit charge air/fuel injection or transference |
| CN1787428A (en) * | 2004-12-06 | 2006-06-14 | 广东工业大学 | Multi-foldable circle face chaos circuit |
| CN101603903A (en) * | 2009-07-07 | 2009-12-16 | 河海大学 | Stacked ring type boxshear apparatus and to the method for testing composite liner material |
| CN201449359U (en) * | 2009-07-07 | 2010-05-05 | 河海大学 | Superposed ring type dual-purpose (direct-shear and single-shear) shear apparatus |
| CN102323166A (en) * | 2011-08-19 | 2012-01-18 | 河海大学 | Cascade circular inclined plane shearing apparatus |
| CN102518901A (en) * | 2011-11-24 | 2012-06-27 | 陈墅庚 | Plunger type multifunctional pipeline compensator |
| CN103292732A (en) * | 2013-05-20 | 2013-09-11 | 华中科技大学 | Method and telescopic device for measuring large free-form surfaces in on-machine manner |
| CN104142277A (en) * | 2014-08-08 | 2014-11-12 | 重庆大学 | Soil body torsion shear seepage testing device and testing method |
| CN204536164U (en) * | 2015-03-25 | 2015-08-05 | 河海大学 | A kind of indoor measurement soil sample gas-phase permeation coefficient unit |
| CN105571957A (en) * | 2016-02-02 | 2016-05-11 | 河海大学 | Large model box for measuring shear strength of coarse-grained soil and use method |
| CN106175674A (en) * | 2016-06-30 | 2016-12-07 | 浙江中医药大学 | A kind of somatic data harvester of lever location maneuver |
| US9737106B1 (en) * | 2017-02-17 | 2017-08-22 | Thomas Calvin Cannon, Jr. | Method and apparatus for mitigating concussions |
| CN107782521A (en) * | 2017-02-28 | 2018-03-09 | 浙江大学 | A kind of three-dimensional mobile decoupling periodic structure for shake table model casing |
| CN108037023A (en) * | 2018-02-01 | 2018-05-15 | 福建省地质工程勘察院 | A kind of folded ring shear box and the stacked ring type shearing test based on folded ring shear box |
| CN108225945A (en) * | 2018-02-01 | 2018-06-29 | 福建省地质工程勘察院 | A kind of stacked ring type ring shear apparatus and stacked ring shear test |
| CN207832592U (en) * | 2018-02-01 | 2018-09-07 | 福建省地质工程勘察院 | A kind of stacked ring type ring suitable for stacked ring type shearing test cuts box |
| CN108398776A (en) * | 2018-03-30 | 2018-08-14 | 河北工业大学 | A kind of general level adjusting apparatus adapted on microscope |
Non-Patent Citations (4)
| Title |
|---|
| JONG M 等: "A Novel Imprinted Gene, Encoding a RING Zinc-Finger Protein, and Overlapping Antisense Transcript in the Prader-Willi Syndrome Critical Region", 《HUMAN MOLECULAR GENETICS》 * |
| 张治军等: "大型叠环式接触面单剪试验及数值模拟", 《水电能源科学》 * |
| 施建勇等: "多层复合衬垫界面非线性强度特性的斜面单剪试验", 《河海大学学报(自然科学版)》 * |
| 钱学德等: "垃圾填埋场多层复合衬垫的破坏面特征", 《岩土工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308263A (en) * | 2019-07-18 | 2019-10-08 | 天水红山试验机有限公司 | A kind of coarse-grained soil compression test pressure chamber |
| CN110308263B (en) * | 2019-07-18 | 2024-01-26 | 天水红山试验机有限公司 | Coarse-grained soil compression test pressure chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109443951B (en) | 2021-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109443951A (en) | A kind of function of the axial asynchronous torsional deflection in measurement multilayer thin body material edge folds ring | |
| CN104596853B (en) | Multifunctional vacuum preconsolidation experimental provision and the method for sealed vacuum precompressed experiment | |
| DE50009131D1 (en) | Detector for detecting electrically neutral particles, in particular neutrons, using a housing filled with a counting gas | |
| KR20070012483A (en) | Method and device for precisely resisting and moving high load | |
| CN103604617A (en) | Test platform of rock-fill dam mask impervious structure model on deep overburden layer | |
| CN107571281A (en) | A kind of neck joint drive mechanism of anthropomorphic robot | |
| CN204537615U (en) | Physical simulation experiment device is hidden in a kind of structure control | |
| Chen et al. | Liquid-solid Contact Electrification Through the Lens of Surface and Interface Science | |
| CN209496003U (en) | A kind of ultrasonic instrument multispan hole probe fixing bracket for offshore pile detection | |
| CN107605848A (en) | A kind of hydraulic cylinder and knee joint assistant robot | |
| CN202208911U (en) | Multifunctional probe for detecting underground gas | |
| CN106404323A (en) | Soil horizontal large displacement test method and device when laminar shear model soil box is applied to underground structure shaking table test | |
| CN200981745Y (en) | Disposable environmental protection refuse bag | |
| CN201268436Y (en) | Self-sealing plastic bag with self-adhesive for sealing fluid | |
| CN2913254Y (en) | Lifting garbage container for household | |
| CN211347751U (en) | Torsional shear apparatus axial compression system | |
| CN204686880U (en) | The tubular body be applied in gap or pipe sends robot to | |
| CN210603991U (en) | Ecological environment geological survey sampling device | |
| CN210823861U (en) | Garbage can capable of sealing clamped garbage bag | |
| CN201543582U (en) | Sorting machine for municipal domestic waste and dust | |
| CN207827096U (en) | A kind of tourist attractions Environmental-protection garbage collection device | |
| CN103349525B (en) | The new just lavatory of environmental protection and energy saving dry sanitary | |
| CN206002336U (en) | For detecting the Full-automatic picking sampling device of Subgrade Compaction | |
| CN106097164A (en) | Imitative rectangle municipal administration pipe jacking tunnel side friction computational methods under the conditions of being applicable to shallow embedding | |
| CN208481359U (en) | It is a kind of can multi-faceted movement CT machine scanning support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |