CN107179242B - A kind of manual simplified true triaxil tester - Google Patents
A kind of manual simplified true triaxil tester Download PDFInfo
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- CN107179242B CN107179242B CN201710494066.4A CN201710494066A CN107179242B CN 107179242 B CN107179242 B CN 107179242B CN 201710494066 A CN201710494066 A CN 201710494066A CN 107179242 B CN107179242 B CN 107179242B
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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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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, confining pressure fixing end, can be used for the three-dimensional load of great soil group test cube.Rigid base is mainly used to provide vertical support for the vertical load of test cube, rigid base upper mounting rail, make itself and horizontally hand-rail type actuator and confining pressure fixing end assembly connection, convenient for placement and test cube is removed by the device on moving guide rail, and it can be used to adjust the horizontal position of test cube in loading procedure, hand-rail type actuator is mounted on X, Y, Z-direction, manufacturing cost of the present invention is low, not power consumption in use process, the range of loading force is small, it is highly-safe, it is easy to operate, it is economical and practical, it is environmentally protective, and it is small in size easy to carry, it has 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 load
Triaxial apparatus refers in particular to a kind of true triaxil tester of full manual loading.
Background technique
True triaxial test is the stress shape that any junior unit is born in the soil body in the case where simulating the soil body by loading
State.Research is under conditions of principal direction of stress is fixed, the relationship and strength characteristics of principal stress and strain, i.e. Soil Constitutive Relation.
Sample is generally cube or cuboid.In practical Geotechnical Environment, the size of three principal stresses suffered by the soil body is often
Different, stress state of the soil body under load action, true triaxil tester pass through to great soil group test cube application three in order to obtain
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, it is by hydraulic servo motor come drive load
Actuation head realizes the full-automatic load of test cube, is read by connecting displacement meter on computers and force snesor
Test block power during loading and displacement data, and stress strain curve is drawn automatically, to obtain the true of test block
Constitutive relation.But its disadvantage is clearly: first, true triaxial hydraulic servo testing machine manufacturing cost is expensive, processing technology is extremely
Complexity, and power consumption is big in use process, noise is big；Second, true triaxial hydraulic servo testing machine tonnage is big, power in loading procedure
Range it is big, be suitable for the higher test cube of limit stress such as concrete, steel etc., great soil group low-down for limit stress
Test block is not applicable；Third, it is easy to appear load actuation head is mutual during loading since the deflection of great soil group test block is bigger
Inconsistent phenomenon causes boundary loading condition not simulate successfully, and if the easy initiation safety accident of misoperation.Fourth,
True triaxial hydraulic servo testing machine is bulky, does not have portability.
It can thus be appreciated that, it is necessary to propose a kind of manual true triaxil tester of novel simple.
Summary of the invention:
The present invention in view of the deficiencies of the prior art and there are the problem of, propose a kind of manual simplified true triaxil tester, guaranteeing
The stress-strain data that is measured in great soil group test cube loading procedure it is accurate it is reasonable under the premise of, while consider instrument manufacturing at
Sheet, operability, economic and practical and whether environmentally protective etc. because usually proposing a kind of novel manual simplified true triaxil tester.
For technical purpose more than realization, the present invention takes technical solution below:
Manual simplified true triaxil tester, it is characterised in that: including rigid base, hand-rail type actuator, confining pressure fixing end, level
Bearing frame one, horizontal bearing frame two, vertical bearing frame install leveling bolt in four corner points of rigid base, for leveling
Instrument, and in rigid base upper mounting rail；Force snesor, telescopic rod, flexible room, bearing plate, rocking handle are assembled into hand-rail type work
Dynamic device, hand-rail type actuator are divided into lateral hand-rail type actuator, vertical hand-rail type actuator, longitudinal hand-rail type actuator, load
Head, fixed link, force bearing plate are assembled into confining pressure fixing end, and confining pressure fixing end includes that lateral confining pressure fixing end and holding to confining pressure is fixed
End, lateral confining pressure fixing end and holds to confining pressure fixing end and passes through guide rail and rigid base in the side of rigid base and end face respectively
Connection, lateral hand-rail type actuator are connected to form a whole with lateral confining pressure fixing end by horizontal bearing frame one, wherein water
The bearing plate of bolt anchor connection transverse direction hand-rail type actuator and lateral confining pressure fixing end are used respectively in the both ends of flat bearing frame one
Force bearing plate, longitudinal hand-rail type actuator are connected to form a whole by horizontal bearing frame two with holding to confining pressure fixing end, wherein
The bearing plate of bolt anchor connection longitudinal direction hand-rail type actuator is used respectively and is held to confining pressure fixing end in the both ends of horizontal bearing frame two
Force bearing plate, vertical hand-rail type actuator is connected to form a whole with rigid base by vertical bearing frame, wherein holding vertically
The both ends for carrying frame anchor the bearing plate and rigid base of vertical connection hand-rail type actuator, lateral hand-rail type actuation with bolt respectively
Device is connect by guide rail with rigid base with longitudinal hand-rail type actuator.
The processing of rigid base determines the size of rigid base, it is ensured that cube according to the size of great soil group test cube
Test block energy total cross-section is placed 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 determines the size of leveling serew according to the screw thread pore size of four corner points of rigid base.
One connection rocking handle of telescopic rod in hand-rail type actuator, other end connect force snesor, and telescopic rod surface is equipped with
External screw thread, chamber interior of stretching are equipped with internal screw thread, and telescopic rod passes through flexible room, and the flexible room passes through rotation in the middle part of bearing plate
Rocking handle is moved forward and backward force snesor.
The force snesor of three hand-rail type actuator front ends and the loading head of two confining 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 and power sense during loading
Device and load head surface is 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 to read the big of the test block power that surface is born during loading
Small, telescopic rod is used to read the displacement of test block during loading, come the horizontal direction for test block and is erected by rotation crank
Driving force is provided to load.
Bearing plate and the appropriate position recessing of force bearing plate bottom fix lateral hand-rail type actuator with lateral confining pressure
End is by guide rail and rigid base assembly connection, convenient for lateral hand-rail type actuator, lateral confining pressure fixing end and horizontal bearing frame
One free to slide on guide rail as a whole (longitudinal hand-rail type actuator and hold to confining pressure fixing end similarly), passes through transverse direction
Free to slide on guide rail of hand-rail type actuator and longitudinal hand-rail type actuator adjusts test cube in loading procedure
Horizontal position.
In the above manner, completing the production assembly of entire instrument, its unique advantage is given full play to, reaches its effect effect
Fruit.
According to above technical scheme, compared with the existing technology, the present invention has obvious advantage below:
(1) component of the invention passes through complete fabricated installation method, and instrument manufacturing is quick and easy for installation, has preferable
Assembling；
(2) hydraulic servo motor is replaced to provide driving force with hand-rail type actuator, instrumentation is simple, and in use process
Not power consumption, it is environmentally protective；
(3) realize that the three-dimensional of great soil group test cube is loaded by rotating the rocking handle of hand-rail type actuator, loading force
Range is small, and the size of loading force is easy to manually control；
(4) have the characteristics that deformation is big in three-dimensional loading procedure due to great soil group test cube, during loading very
It is easy to appear the phenomenon that load actuation head contradicts each other, if misoperation is easy to cause safety accident.Utilize hand-rail type actuator
Realize that full manual loading can avoid the occurrence of problems, it is highly-safe.
(5) the manual simplified true triaxil tester is small in size, easy to carry.
Detailed description of the invention
The manual simplified true triaxil tester main view of Fig. 1；
The manual simplified true triaxil tester left view of Fig. 2；
The manual simplified true triaxil tester top view of Fig. 3；
Fig. 4 rigid base schematic diagram；
Fig. 5 hand-rail type actuator schematic diagram.
(1) force snesor, (2) telescopic rod, (3) are stretched room, (4) bearing plate, (5) rocking handle, the hand-rail type actuation of (6) transverse direction
Device, (7) loading head, (8) fixed link, (9) lateral confining 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 direction hand-rail type actuator, (17) horizontal bearing frame
Two, (18) are held to confining pressure fixing end, (19) vertical hand-rail type actuator, (20) external screw thread, (21) internal screw thread, (22) groove,
(23) test cube.
Specific embodiment:
Attached drawing discloses the structural schematic diagram of embodiment involved in the present invention without limitation, with reference to the accompanying drawing and implements
The present invention is further described for example.
If Fig. 1-3 is manual simplified true triaxil tester three-view diagram (respectively main view, left view and top view).Basis first
The size of great soil group (23) test cube determines the shape and size of (14) rigid base, in four angle points of (14) rigid base
Place's setting threaded hole, and according to the size of determining (12) leveling bolt of the size of threaded hole.According to (6) lateral hand-rail type actuator
It holds with the pre-installed position of (9) lateral confining pressure fixing end, and (16) longitudinal hand-rail type actuator and (18) to confining pressure fixing end
Pre-installed position determine (13) guide rail installation site.
The shape and size that (1) force snesor is determined according to the size of great soil group (23) test cube are sensed by (1) power
The size of device further determines that the shape and size of the flexible room of (2) telescopic rod, (3), (4) bearing plate, (5) rocking handle；Basis simultaneously
The size of great soil group (23) test cube determines (7) loading head, (8) fixed link, the shape and size of (15) force bearing plate.Wherein
(1) force snesor, (2) telescopic rod, (3) stretch room, (4) bearing plate, (5) rocking handle be (6) hand-rail type actuator main composition
Part, and (7) loading head, (8) fixed link, (15) force bearing plate are the chief components of (9) lateral confining pressure fixing end.
(6) lateral hand-rail type actuator, (16) longitudinal hand-rail type actuator, (19) vertical hand-rail type actuator are from X, Y, Z
Three directions apply pressure to (23) test cube, and (1) force snesor therein is used to read test block table during loading
The size for the power that face is born, (2) telescopic rod are equipped with scale, and (2) telescopic rod is used to read the displacement of test block during loading
Size provides driving force by rotation (5) rocking handle come the horizontal direction for test block and vertically load, and loading force is big in operating process
Small easily controllable, easy to detect quick, manufacturing cost is low, strong operability, economical and practical, environmentally protective.
Threaded hole is set in four corner points of (4) bearing plate, (15) force bearing plate, and is determined according to the size of threaded hole
(10) size of horizontal bearing frame one and (17) horizontal bearing frame two；In the appropriate location of (14) rigid base, four screw threads are set
Hole, and according to the size of the vertical bearing frame of the size of threaded hole determining (11).
(6) lateral hand-rail type actuator connect formation one by (10) horizontal bearing frame one with (9) lateral confining pressure fixing end
A entirety, wherein the both ends of (10) horizontal bearing frame one are held with (4) of the lateral hand-rail type actuator of bolt anchor connection (6) respectively
(15) force bearing plate of pressing plate and (9) lateral confining pressure fixing end, (16) longitudinal direction hand-rail type actuator and (18) are held to confining pressure fixing end
It is connected to form a whole by (17) horizontal bearing frame two, wherein the both ends of (17) horizontal bearing frame two are anchored with bolt respectively
(15) force bearing plate to confining pressure fixing end is held in (4) bearing plate of the longitudinal hand-rail type actuator of connection (16) and (18), and (19) are vertical
Hand-rail type actuator is connected to form a whole with (14) rigid base by (11) vertical bearing frame, wherein (11) carry vertically
The both ends of frame vertically connect the bearing plate and (14) rigid base of hand-rail type actuator with bolt anchoring (19) respectively.
According to the positions and dimensions of (13) guide rail, in horizontal direction (4) bearing plate and (15) force bearing plate bottom appropriate position
Recessing, as shown in figure 4, (6) transverse direction hand-rail type actuator and (9) lateral confining pressure fixing end, (16) longitudinal hand-rail type actuator
It holds with (18) to confining pressure fixing end and passes through (13) guide rail and (14) rigid base assembly connection.
Claims (6)
1. a kind of manual simplified true triaxil tester, it is characterised in that: including rigid base, hand-rail type actuator, confining pressure fixing end, water
Flat bearing frame one, horizontal bearing frame two, vertical bearing frame, rigid base upper mounting rail；Force snesor, telescopic rod, flexible room,
Bearing plate, rocking handle are assembled into hand-rail type actuator, and hand-rail type actuator is divided into lateral hand-rail type actuator, vertical hand-rail type actuation
Device, longitudinal hand-rail type actuator, loading head, fixed link, force bearing plate are assembled into confining pressure fixing end, and confining pressure fixing end includes laterally enclosing
Pressing fixed end and hold to confining pressure fixing end, lateral confining pressure fixing end and hold to confining pressure fixing end respectively in the side of rigid base and
End face is connect by guide rail with rigid base, and lateral hand-rail type actuator and lateral confining pressure fixing end are connected by horizontal bearing frame one
It connects to form an entirety, wherein the pressure-bearing of bolt anchor connection transverse direction hand-rail type actuator is used at the both ends of horizontal bearing frame one respectively
The force bearing plate of plate and lateral confining pressure fixing end, longitudinal hand-rail type actuator and hold to confining pressure fixing end by horizontal bearing frame two company
Connect to form an entirety, the both ends of horizontal bearing frame two use respectively the bearing plate of bolt anchor connection longitudinal direction hand-rail type actuator with
Hold the force bearing plate to confining pressure fixing end, vertical hand-rail type actuator connect with rigid base by vertical bearing frame to be formed one it is whole
Body, wherein the both ends of vertical bearing frame anchor the bearing plate and rigid base of vertical connection hand-rail type actuator with bolt respectively,
Lateral hand-rail type actuator is connect by guide rail with rigid base with longitudinal hand-rail type actuator；In the hand-rail type actuator
One connection rocking handle of telescopic rod, other end connect force snesor, and telescopic rod surface is equipped with external screw thread, and chamber interior of stretching is equipped with interior spiral shell
Line, telescopic rod pass through flexible room, and the flexible room is in the middle part of bearing plate.
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: hand-rail type actuator front end
Force snesor area and confining pressure fixing end front end loading head area be great soil group test cube contact surface area
90%。
5. a kind of manual simplified true triaxil tester according to claim 1, it is characterised in that: telescopic rod is equipped with scale.
6. 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 match with guide rail.
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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| CN107179242A CN107179242A (en) | 2017-09-19 |
| CN107179242B true CN107179242B (en) | 2019-04-23 |
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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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111521491B (en) * | 2020-04-22 | 2023-04-18 | 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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| 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 |
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