CN107179242A - A kind of manual simplified true triaxil tester - Google Patents
A kind of manual simplified true triaxil tester Download PDFInfo
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- CN107179242A CN107179242A CN201710494066.4A CN201710494066A CN107179242A CN 107179242 A CN107179242 A CN 107179242A CN 201710494066 A CN201710494066 A CN 201710494066A CN 107179242 A CN107179242 A CN 107179242A
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- type actuator
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- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- 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
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention discloses a kind of manual simplified true triaxil tester, including rigid base, level and vertical bearing frame, hand-rail type actuator, confined pressure fixing end, and the three-dimensional available for great soil group test cube is loaded.Rigid base is mainly used to provide vertical support for the vertical loading of test cube, rigid base upper mounting rail, make itself and horizontal direction hand-rail type actuator and confined pressure fixing end assembly connection, it is easy to lay and remove test cube by the device on moving guide rail, and can be used to adjust the horizontal level of test cube in loading procedure, hand-rail type actuator is arranged on X, Y, Z-direction, manufacturing cost of the present invention is low, not power consumption during use, the range of loading force is small, it is safe, it is simple to operate, it is economical and practical, environmental protection, and small volume is easy to carry, have a good application prospect.
Description
Technical field
The invention belongs to technical field of structural engineering, and in particular to a kind of for the true of great soil group test cube three-dimensional loading
Triaxial apparatus, refers in particular to a kind of true triaxil tester of full manual loading.
Background technology
True triaxial test be the simulation soil body by the case of loading, the stress shape that any junior unit is born in the soil body
State.Research is under conditions of principal direction of stress fixation, principal stress and the relation and strength characteristics of strain, i.e. Soil Constitutive Relation.
Sample is generally cube or cuboid.In actual Geotechnical Environment, the size of three principal stresses suffered by the soil body is often
Different, in order to obtain stress state of the soil body under load action, true triaxil tester to great soil group test cube by applying three
Constitutive relation of the soil body under multi-axis stress state is obtained to different loads, there is relatively broad application.
Existing true triaxil tester refers mainly to true triaxial hydraulic servo testing machine, and it is by hydraulic servo motor come drive load
Start head, realizes the full-automatic loading of test cube, is read by connecting displacement meter and force snesor on computers
Power and displacement data of the test block in loading procedure, and stress strain curve is drawn automatically, so as to obtain the true of test block
Constitutive relation.But its shortcoming is clearly：First, true triaxial hydraulic servo testing machine manufacturing cost is expensive, processing technology is extremely
Power consumption is big during complexity, and use, and noise is big；Second, true triaxial hydraulic servo testing machine tonnage is big, power in loading procedure
Range it is big, it is adaptable to the higher test cube of limit stress such as concrete, steel etc., for the low-down great soil group of limit stress
Test block is not applied to；Third, because the deflection of great soil group test block is than larger, being easy to loading start head occur mutually in loading procedure
Inconsistent phenomenon, causes boundary loading condition not simulate successfully, and if misoperation easily triggers security incident.Fourth,
True triaxial hydraulic servo testing machine is bulky, does not possess portability.
It can thus be appreciated that, it is necessary to propose a kind of manual true triaxil tester of novel simple.
The content of the invention：
The present invention proposes a kind of manual simplified true triaxil tester in view of the shortcomings of the prior art and the problem of exist, and is ensureing great soil group
The stress-strain data that is measured in test cube loading procedure it is accurate it is rational under the premise of, while consider instrument manufacturing cost,
Operability, economic and practical and whether the factor such as environmental protection proposes a kind of new manual simplified true triaxil tester.
To realize the technical purpose of the above, the present invention takes following technical scheme：
Manual simplified true triaxil tester, it is characterised in that：Including rigid base, hand-rail type actuator, confined pressure fixing end, horizontal bearing
Frame one, horizontal bearing frame two, vertical bearing frame, leveling bolt is installed in four corner points of rigid base, for leveling instrument,
And in rigid base upper mounting rail；Force snesor, expansion link, flexible room, bearing plate, rocking handle are assembled into hand-rail type actuator,
Hand-rail type actuator is divided into horizontal hand-rail type actuator, vertical hand-rail type actuator, longitudinal hand-rail type actuator, loading head, solid
Fixed pole, force bearing plate are assembled into confined pressure fixing end, and confined pressure fixing end includes lateral confined pressure fixing end and held to confined pressure fixing end, laterally
Confined pressure fixing end and holding to confined pressure fixing end is connected in the side of rigid base and end face by guide rail with rigid base respectively, horizontal
One entirety of formation, wherein horizontal bearing frame are connected by horizontal bearing frame one with lateral confined pressure fixing end to hand-rail type actuator
With the bearing plate and the force bearing plate of lateral confined pressure fixing end of the horizontal hand-rail type actuator of bolt anchor connection, indulge respectively at one two ends
One entirety of formation, wherein horizontal bearing frame are connected by horizontal bearing frame two with holding to confined pressure fixing end to hand-rail type actuator
Erected respectively with the bearing plate of the longitudinal hand-rail type actuator of bolt anchor connection with holding the force bearing plate to confined pressure fixing end at two two ends
It is connected to form an entirety by vertical bearing frame with rigid base to hand-rail type actuator, wherein the two ends of vertical bearing frame point
The bearing plate and rigid base of vertical connection hand-rail type actuator are not anchored with bolt, horizontal hand-rail type actuator and longitudinal direction are hand
Formula actuator is connected by guide rail with rigid base.
The processing of rigid base, according to the size of great soil group test cube, determines the size of rigid base, it is ensured that cube
Test block energy total cross-section is positioned on rigid base.In four corner point prepared screw-bolt holes of rigid base, screw is installed, and appropriate
Guide rail is installed at position.
Leveling serew, the size of leveling serew is determined according to the screwed hole size of four corner points of rigid base.
One connection rocking handle of expansion link in hand-rail type actuator, other end connection force snesor, expansion link surface is provided with
External screw thread, chamber interior of stretching is provided with internal thread, and expansion link passes through flexible room, and the flexible room is in the middle part of bearing plate, by rotating
Rocking handle moves forward and backward force snesor.
The force snesor of three hand-rail type actuator front ends and the loading head of two confined pressure fixing end front ends, according to great soil group
The size of test cube determines the size of force snesor and loading head, it is ensured that test cube is sensed with power in loading procedure
Device and loading head surface are close to and bearing area is sufficiently large, while it is competing to avoid in loading procedure three-dimensional loading head from occurring
Problem.For hand-rail type actuator, force snesor therein is used for reading the big of the power that test block surface in loading procedure is born
Small, expansion link is used for reading displacement of the test block in loading procedure, by rotation crank come the level for test block to and it is perpendicular
Driving force is provided to loading.
Bearing plate and the appropriate position recessing of force bearing plate bottom, horizontal hand-rail type actuator and lateral confined pressure are fixed
End horizontal hand-rail type actuator, lateral confined pressure fixing end and horizontal bearing frame are easy to by guide rail and rigid base assembly connection
One as an entirety on guide rail slidably（Longitudinal hand-rail type actuator is with holding to confined pressure fixing end similarly）, pass through transverse direction
Hand-rail type actuator and longitudinal hand-rail type actuator slidably adjust test cube in loading procedure on guide rail
Horizontal level.
By with upper type, completing the making assembling of whole instrument, giving full play to its unique advantage, its effect effect is reached
Really.
According to above technical scheme, relative to prior art, the present invention has following obvious advantage：
（1）The component of the present invention is by complete fabricated installation method, and instrument manufacturing is quick and easy for installation, with preferable dress
With property；
（2）Hydraulic servo motor is replaced to provide driving force with hand-rail type actuator, instrumentation is simple, and is not consumed during use
Electricity, environmental protection；
（3）The three-dimensional loading of great soil group test cube, the range of loading force are realized by rotating the rocking handle of hand-rail type actuator
It is small, and the size of loading force is easy to manual control；
（4）Because great soil group test cube has the characteristics of deforming big in three-dimensional loading procedure, it is easy in loading procedure
There is the phenomenon that loading start head contradicts each other, if misoperation easily triggers security incident.Realized using hand-rail type actuator
Full manual loading can avoid the occurrence of problems, safe.
（5）The manual simplified true triaxil tester small volume, is easy to carry.
Brief description of the drawings
The manual simplified true triaxil tester front views of Fig. 1；
The manual simplified true triaxil tester left views of Fig. 2；
The manual simplified true triaxil tester top views of Fig. 3；
Fig. 4 rigid base schematic diagrames；
Fig. 5 hand-rail type actuator schematic diagrames.
（1）Force snesor,（2）Expansion link,（3）Flexible room,（4）Bearing plate,（5）Rocking handle,（6）Horizontal hand-rail type start
Device,（7）Loading head,（8）Fix bar,（9）Lateral confined pressure fixing end,（10）Horizontal bearing frame one,（11）Vertical bearing frame,（12）
Leveling bolt,（13）Guide rail,（14）Rigid base,（15）Force bearing plate,（16）Longitudinal hand-rail type actuator,（17）Horizontal bearing frame
Two,（18）Hold to confined pressure fixing end,（19）Vertical hand-rail type actuator,（20）External screw thread,（21）Internal thread,（22）Groove,
（23）Test cube.
Embodiment：
Accompanying drawing discloses the structural representation of embodiment involved in the present invention without limitation, right with reference to the accompanying drawings and examples
The present invention is further illustrated.
If Fig. 1-3 is manual simplified true triaxil tester three-view diagram（Respectively front view, left view and top view）.Basis first
Great soil group（23）The size of test cube is determined（14）The shape and size of rigid base,（14）Four angle points of rigid base
Place is threaded hole, and is determined according to the size of screwed hole（12）The size of leveling bolt.According to（6）Horizontal hand-rail type actuator
With（9）The pre-installed position of lateral confined pressure fixing end, and（16）Longitudinal hand-rail type actuator with（18）Hold to confined pressure fixing end
Pre-installed position determine（13）The installation site of guide rail.
According to great soil group（23）The size of test cube is determined（1）The shape and size of force snesor, pass through（1）Power is sensed
The size of device is further determined that（2）Expansion link,（3）Flexible room,（4）Bearing plate,（5）The shape and size of rocking handle；While basis
Great soil group（23）The size of test cube is determined（7）Loading head,（8）Fix bar,（15）The shape and size of force bearing plate.Wherein
（1）Force snesor,（2）Expansion link,（3）Flexible room,（4）Bearing plate,（5）Rocking handle is（6）The main composition of hand-rail type actuator
Part, and（7）Loading head,（8）Fix bar,（15）Force bearing plate is（9）The chief component of lateral confined pressure fixing end.
（6）Horizontal hand-rail type actuator,（16）Longitudinal hand-rail type actuator,（19）Vertical hand-rail type actuator is from X, Y, Z
Three directions pair（23）Test cube applies pressure, therein（1）Force snesor is used for reading test block table in loading procedure
The size for the power that face is born,（2）Expansion link is provided with scale,（2）Expansion link is used for reading displacement of the test block in loading procedure
Size, by rotating（5）Rocking handle come level for test block to and vertical loading the big of loading force in driving force, operating process is provided
Small easily controllable, easy to detect quick, manufacturing cost is low, workable, economical and practical, environmental protection.
（4）Bearing plate,（15）Four corner points of force bearing plate are threaded hole, and are determined according to the size of screwed hole
（10）The He of horizontal bearing frame one（17）The size of horizontal bearing frame two；（14）The appropriate location of rigid base sets four screw threads
Hole, and determined according to the size of screwed hole（11）The size of vertical bearing frame.
（6）Horizontal hand-rail type actuator with（9）Lateral confined pressure fixing end passes through（10）The connection of horizontal bearing frame one forms one
Individual entirety, wherein（10）Bolt anchor connection is used respectively in the two ends of horizontal bearing frame one（6）Horizontal hand-rail type actuator（4）Hold
Pressing plate with（9）Lateral confined pressure fixing end（15）Force bearing plate,（16）Longitudinal hand-rail type actuator with（18）Hold to confined pressure fixing end
Pass through（17）The connection of horizontal bearing frame two forms an entirety, wherein（17）The two ends of horizontal bearing frame two are anchored with bolt respectively
Connection（16）Longitudinal hand-rail type actuator（4）Bearing plate with（18）Hold to confined pressure fixing end（15）Force bearing plate,（19）Vertically
Hand-rail type actuator with（14）Rigid base passes through（11）Vertical bearing frame connects to form an entirety, wherein（11）Vertical carrying
The two ends of frame are anchored with bolt respectively（19）The bearing plate of vertical connection hand-rail type actuator with（14）Rigid base.
According to（13）The positions and dimensions of guide rail, level to（4）Bearing plate and（15）Force bearing plate bottom appropriate position
Recessing, as shown in figure 4,（6）Horizontal hand-rail type actuator with（9）Lateral confined pressure fixing end,（16）Longitudinal hand-rail type actuator
With（18）Hold to confined pressure fixing end and pass through（13）Guide rail with（14）Rigid base assembly connection.
Claims (7)
1. a kind of manual simplified true triaxil tester, it is characterised in that：Including rigid base, hand-rail type actuator, confined pressure fixing end, water
Flat bearing frame one, horizontal bearing frame two, vertical bearing frame, rigid base upper mounting rail；Force snesor, expansion link, flexible room,
Bearing plate, rocking handle are assembled into hand-rail type actuator, and hand-rail type actuator is divided into horizontal hand-rail type actuator, vertical hand-rail type start
Device, longitudinal hand-rail type actuator, loading head, fix bar, force bearing plate are assembled into confined pressure fixing end, and confined pressure fixing end includes laterally enclosing
Pressure fixing end and hold to confined pressure fixing end, lateral confined pressure fixing end and hold to confined pressure fixing end respectively in the side of rigid base and
End face is connected by guide rail with rigid base, and horizontal hand-rail type actuator is connected with lateral confined pressure fixing end by horizontal bearing frame one
Connect to form an entirety, wherein the two ends of horizontal bearing frame one are respectively with the pressure-bearing of the horizontal hand-rail type actuator of bolt anchor connection
Plate and the force bearing plate of lateral confined pressure fixing end, longitudinal hand-rail type actuator pass through the company of horizontal bearing frame two with holding to confined pressure fixing end
Connect to form an entirety, the two ends of horizontal bearing frame two respectively with the bearing plate of the longitudinal hand-rail type actuator of bolt anchor connection with
Hold the force bearing plate to confined pressure fixing end, vertical hand-rail type actuator be connected with rigid base by vertical bearing frame to be formed one it is whole
Body, wherein the two ends of vertical bearing frame anchor the bearing plate and rigid base of vertical connection hand-rail type actuator with bolt respectively,
Horizontal hand-rail type actuator is connected with longitudinal hand-rail type actuator by guide rail with rigid base.
2. a kind of manual simplified true triaxil tester according to claim 1, it is characterised in that：The rigid base is square base
Seat.
3. a kind of manual simplified true triaxil tester according to claim 2, it is characterised in that：Four angles of the rigid base
Leveling bolt is installed at point.
4. a kind of manual simplified true triaxil tester according to claim 1, it is characterised in that：In the hand-rail type actuator
One connection rocking handle of expansion link, other end connection force snesor, expansion link surface is provided with external screw thread, and chamber interior of stretching is provided with interior spiral shell
Line, expansion link passes through flexible room, and the flexible room is in the middle part of bearing plate.
5. a kind of manual simplified true triaxil tester according to claim 1, it is characterised in that：The hand-rail type actuator front end
Force snesor area and confined pressure fixing end front end loading head area for great soil group test cube contact surface area
90%。
6. a kind of manual simplified true triaxil tester according to claim 1, it is characterised in that：Expansion link is provided with scale.
7. a kind of manual simplified true triaxil tester according to claim 1, it is characterised in that：Bearing plate and force bearing plate bottom are opened
Groove, the groove matches with track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494066.4A CN107179242B (en) | 2017-06-26 | 2017-06-26 | A kind of manual simplified true triaxil tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494066.4A CN107179242B (en) | 2017-06-26 | 2017-06-26 | A kind of manual simplified true triaxil tester |
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| Publication Number | Publication Date |
|---|---|
| CN107179242A true CN107179242A (en) | 2017-09-19 |
| CN107179242B CN107179242B (en) | 2019-04-23 |
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ID=59845519
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710494066.4A Active CN107179242B (en) | 2017-06-26 | 2017-06-26 | A kind of manual simplified true triaxil tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414348A (en) * | 2018-05-07 | 2018-08-17 | 绍兴文理学院 | A kind of true triaxial test system and its implementation of test rock |
| CN108613881A (en) * | 2018-05-07 | 2018-10-02 | 绍兴文理学院 | A kind of true triaxial test system of high temperature and the test rock under seepage effect |
| CN111521491A (en) * | 2020-04-22 | 2020-08-11 | 中国人民解放军国防科技大学 | Temperature-strain high-flux aging test device |
| CN113310812A (en) * | 2021-02-08 | 2021-08-27 | 山东科技大学 | Anchoring jointed rock mass loading device with lateral stress constraint and experimental method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10274608A (en) * | 1997-01-29 | 1998-10-13 | Takenaka Komuten Co Ltd | S wave-generating mechanism at large triaxial cell |
| CN101504356A (en) * | 2009-03-06 | 2009-08-12 | 中国科学院武汉岩土力学研究所 | Self-balancing rock full end face true three-axial compression test apparatus |
| CN104596865A (en) * | 2014-12-30 | 2015-05-06 | 长沙理工大学 | Manual stress control type triaxial compressor |
| CN105424490A (en) * | 2015-12-23 | 2016-03-23 | 中国石油大学(北京) | Device and method for monitoring rupture process of shale hydrofracture |
| CN106338440A (en) * | 2015-07-09 | 2017-01-18 | 核工业北京地质研究院 | True and false triaxial rock mechanical property testing device and method thereof |
| CN206192782U (en) * | 2016-10-26 | 2017-05-24 | 中国科学院武汉岩土力学研究所 | True and false triaxial test's device can carry out |
-
2017
- 2017-06-26 CN CN201710494066.4A patent/CN107179242B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10274608A (en) * | 1997-01-29 | 1998-10-13 | Takenaka Komuten Co Ltd | S wave-generating mechanism at large triaxial cell |
| CN101504356A (en) * | 2009-03-06 | 2009-08-12 | 中国科学院武汉岩土力学研究所 | Self-balancing rock full end face true three-axial compression test apparatus |
| CN104596865A (en) * | 2014-12-30 | 2015-05-06 | 长沙理工大学 | Manual stress control type triaxial compressor |
| CN106338440A (en) * | 2015-07-09 | 2017-01-18 | 核工业北京地质研究院 | True and false triaxial rock mechanical property testing device and method thereof |
| CN105424490A (en) * | 2015-12-23 | 2016-03-23 | 中国石油大学(北京) | Device and method for monitoring rupture process of shale hydrofracture |
| CN206192782U (en) * | 2016-10-26 | 2017-05-24 | 中国科学院武汉岩土力学研究所 | True and false triaxial test's device can carry out |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414348A (en) * | 2018-05-07 | 2018-08-17 | 绍兴文理学院 | A kind of true triaxial test system and its implementation of test rock |
| CN108613881A (en) * | 2018-05-07 | 2018-10-02 | 绍兴文理学院 | A kind of true triaxial test system of high temperature and the test rock under seepage effect |
| CN108414348B (en) * | 2018-05-07 | 2020-05-26 | 绍兴文理学院 | True triaxial test system for testing rock and implementation method thereof |
| CN108613881B (en) * | 2018-05-07 | 2020-09-04 | 绍兴文理学院 | True triaxial test system for testing rock under high temperature and seepage effect |
| CN111521491A (en) * | 2020-04-22 | 2020-08-11 | 中国人民解放军国防科技大学 | Temperature-strain high-flux aging test device |
| CN113310812A (en) * | 2021-02-08 | 2021-08-27 | 山东科技大学 | Anchoring jointed rock mass loading device with lateral stress constraint and experimental method |
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| Publication number | Publication date |
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| CN107179242B (en) | 2019-04-23 |
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