CN106680116A - Variable-angle shearing combined clamp for standard cylindrical specimen made of soft rock-like material - Google Patents
Variable-angle shearing combined clamp for standard cylindrical specimen made of soft rock-like material Download PDFInfo
- Publication number
- CN106680116A CN106680116A CN201710140310.7A CN201710140310A CN106680116A CN 106680116 A CN106680116 A CN 106680116A CN 201710140310 A CN201710140310 A CN 201710140310A CN 106680116 A CN106680116 A CN 106680116A
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- China
- Prior art keywords
- clamp seat
- plate
- slide block
- bolt
- shearing
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- 238000010008 shearing Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 238000011160 research Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 14
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- G01N3/04—Chucks
-
- 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
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a variable-angle shearing combined clamp for a standard cylindrical specimen made of a soft rock-like material. The combined clamp comprises a base, a column, a sliding clamp seat, a shearing slide block, a positioning bolt, a fastening bolt, a clamp seat positioning plate, a specimen lifting plate and a slide block positioning plate, wherein the base comprises an upper base and a lower base; the sliding clamp seat comprises an upper sliding clamp seat and a lower sliding clamp seat; and the positioning bolt, the fastening bolt, the clamp seat positioning plate, the specimen lifting plate and the slide block positioning plate achieve the effect of additionally positioning and fixedly clamping various spare parts. The invention aims to provide a combined clamp which is adapted to a common pressing machine and can perform variable-angle shearing test on a standard cylindrical specimen made of a soft rock-like material; and the combined clamp can realize a different-angle shearing test of the standard cylindrical specimen through one-man operation to further research shearing mechanical properties of the soft rock-like material.
Description
Technical field
The invention belongs to rock mechanics technical field of measurement and test, is to be related to a kind of shearing clamp, and in particular to a kind of soft rock phase
Built-up jig is sheared like material standard cylindrical specimen angle.
Background technology
When the shearing strength of rock refers to that rock receives failure by shear, the limit stress value on shear surface, it is shear of rock
The basic index of performance.Indoor rock shearing test method is a lot, is broadly divided into:The test of direct stress is not added with shear surface,
Such as single shear, two-sided cutting, shocking experiment；Apply the test of direct stress, such as direct shear test, the shearing of angle variable plate method on shear surface
Test, triaxial shear test, torsion test.Determine shearing strength using the Mohr Circle of Plastic of uniaxial tension and comprcssive strength.
Test method above respectively has pluses and minuses, and triaxial shear test can reflect rock intensity under three-dimensional stress state
And deformation characteristic, but testing equipment is complicated, costly, and test difficulty is big, now using wide for different angle shearing testing (state
Border rock mechanics office is proposed with this method), and at present angle shearing clamp is most of for square specimen Design, the examination of standard cylinder
The angle shearing clamp of part seldom has, and cylinder specimen is more easy to make compared to square test specimen, and stress concentration phenomenon occurs
Probability it is little, measurement data is more accurate, therefore designs a kind of angle shearing clamp for standard cylindrical specimen and particularly must
Will, in particular for the research of deep soft rock.With exploitation of the Geological Engineering to deep soft rock, the mechanical property of soft rock becomes one
The important research topic of item.And because deep soft rock exploitation is difficult, the relatively costly of style is made, similar material is generally adopted at present
Expect the mode simulated to study its mechanical property.
The content of the invention
It is an object of the invention to provide one kind is adapted to ordinary press, can be to softrock-like material standard cylindrical specimen
The built-up jig of different angle shearing testing is carried out, one man operation realizes the shearing test to standard cylindrical test specimen difference angle, from
And further study the shearing mechanical property of softrock-like material.
In order to achieve the above object, the present invention has following technical scheme：
A kind of softrock-like material standard cylindrical specimen angle shears built-up jig, including base, pillar, slide clamp seat and
Shearing slide block.The base includes upper bed-plate and lower bottom base, and the pillar has 4, is symmetrically distributed in base corner, the slip
Deck includes upper slide clamp seat and lower slider deck, and the shearing slide block has two, is separately fixed at slide clamp seat and downslide
On dynamic deck；Also include bolt, sample top board, deck location-plate, fastening bolt and slide block location-plate, play auxiliary positioning
With the effect of each parts of stationary fixture.
Wherein, the upper bed-plate and lower bottom base have 4 from rectangle of the horizontal direction in different angles in homonymy
Groove, along arc surface the groove that a cross section is isosceles trapezoid is provided with, and the top of upper bed-plate and the bottom of lower bottom base have one cylindrical
Boss, with usual pressure testing machine bottom circular matching grooves.
Wherein, can be by cylindrical standard after the upper slide clamp seat, lower slider deck, shearing slide block and the combination of sample top board
Sample is fixed on clamp central；Upper slide clamp seat, lower slider deck structure it is similar, arc surface have a cross section be isosceles trapezoid
Smooth bumps, and upper bed-plate and the groove fit of lower bottom base can be along Circular Slidings；Shearing slide block cross section is isoceles triangle
Shape, bottom surface is symmetrically distributed with two cuboid projections, two groove fits with slide clamp seat, can be adjusted by sliding and be cut
Cut slide position.
Wherein, the bolt has 4, respectively in four tapped through holes of precession slide clamp seat, bolt one
There is a word groove at end, and other end connection sample top board can adjust the position of sample top board, same slip by rotational positioning bolt
The word groove of two bolts one on deck is always consistent, and to ensure that sample top board is not inclined, the fastening bolt has 4
It is individual, combine with slide block location-plate, for fixed shear slide position.
Technical scheme as a result of more than, it is an advantage of the current invention that：
1. clipped position can be adjusted according to the size of sample, it is adaptable to different cylinder samples.
2. fixture compact overall structure, easy disassembling is simple to operate.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is part-structure schematic diagram of the present invention；
Fig. 3 is down cut deck built-up section structural representation of the present invention.
In figure：1. the pillar of 3. deck location-plate of slide clamp seat, 4. bolt, 5. sample top board 6. on upper bed-plate 2.
7. 8. lower bottom base of lower slider deck 9. shears the fastening bolt of 10. slide block location-plate of slide block 11.
Specific embodiment
Hereinafter implement for illustrating the present invention, but be not limited to the scope of the present invention.
The principle of the invention is：After installing Up/down base, by adjust deck location-plate, bolt, sample top board and
Slide block location-plate makes rock sample and fixture in test requirements document position, and shearing examination is carried out to rock sample by forcing press pressure
Test.
Referring to Fig. 1-3, the present invention, including upper bed-plate (1), upper slide clamp seat (2), lower slider deck (7), lower bottom base (8),
Upper bed-plate (1) and lower bottom base (2) are provided with four with horizontal direction in not with the adapter being adapted to press ram
With the groove and a trapezoidal circular arc groove of angle, upper slide clamp seat (7), lower slider deck (8) structure it is similar, arc surface has one
Cross section for isosceles trapezoid smooth bumps, and upper bed-plate (1) and the groove fit of lower bottom base (8) can be along Circular Slidings；
Post (6) has 4, is symmetrically distributed in base corner, plays positioning and supporting role；Also include shearing slide block (9), there are two, point
It is not fixed on slide clamp seat and lower slider deck；Also include bolt (4), fastening bolt (11), deck location-plate
(3), sample top board (5) and slide block location-plate (10), play a part of auxiliary positioning and stationary fixture each parts.
The use step of the present invention is as follows：
1. from bottom to top install lower bottom base, lower slider deck, pillar, upper bed-plate and upper slide clamp seat.
2. gently carry on slide clamp seat standard cylinder sample is put between upper slide clamp seat and lower slider deck, and according to reality
Requirement is tested, slide clamp seat is fixed in angle on target by deck location-plate.
3. sample ceiling location is adjusted by bolt, and by slide block location-plate adjustment shearing slide position, make examination
Sample is located at the center of whole fixture, finally screws fastening bolt and fixes.
4. pressure is applied to fixture by pressure testing machine, realize that the shearing to softrock-like material standard cylinder sample is tried
Test.
The foregoing is only the present invention preferably applies example, not to limit the present invention, all spiritual and originals in the present invention
Within then, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (4)
1. a kind of softrock-like material standard cylindrical specimen angle shears built-up jig, including base, pillar, slide clamp seat and cuts
Cut slide block.The base includes upper bed-plate and lower bottom base, and the pillar has 4, is symmetrically distributed in base corner, the slip card
Seat includes upper slide clamp seat and lower slider deck, and the shearing slide block has two, is separately fixed at slide clamp seat and lower slider
On deck；Also include bolt, sample top board, deck location-plate, fastening bolt and slide block location-plate, play auxiliary positioning and
The effect of stationary fixture each parts.
2. a kind of softrock-like material standard cylindrical specimen angle as claimed in claim 1 shears built-up jig, and its feature exists
In：The upper bed-plate and lower bottom base homonymy have 4 from rectangular slot of the horizontal direction in different angles, along arc surface
The groove that a cross section is isosceles trapezoid is provided with, a cylindrical boss is arranged at the top of upper bed-plate and the bottom of lower bottom base, it is and common
Pressure testing machine bottom circular matching grooves.
3. a kind of softrock-like material standard cylindrical specimen angle as claimed in claim 1 shears built-up jig, and its feature exists
In：Cylindrical standard sample can be fixed on after the upper slide clamp seat, lower slider deck, shearing slide block and the combination of sample top board
Clamp central；Upper slide clamp seat, lower slider deck structure it is similar, arc surface has a cross section smooth convex for isosceles trapezoid
Rise, and upper bed-plate and the groove fit of lower bottom base can be along Circular Slidings；Slide block cross section is sheared for isosceles triangle, bottom surface
Two cuboid projections are symmetrically distributed with, two groove fits with slide clamp seat can adjust shearing slide block by sliding
Position.
4. a kind of softrock-like material standard cylindrical specimen angle as claimed in claim 1 shears built-up jig, and its feature exists
In：The bolt has 4, and respectively in four tapped through holes of precession slide clamp seat, bolt one end has a word recessed
Groove, other end connection sample top board, can adjust the position of sample top board, two on same slide clamp seat by rotational positioning bolt
The word groove of individual bolt one is always consistent, and to ensure that sample top board is not inclined, the fastening bolt has 4, with slide block
Location-plate is combined, for fixed shear slide position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710140310.7A CN106680116A (en) | 2017-03-10 | 2017-03-10 | Variable-angle shearing combined clamp for standard cylindrical specimen made of soft rock-like material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710140310.7A CN106680116A (en) | 2017-03-10 | 2017-03-10 | Variable-angle shearing combined clamp for standard cylindrical specimen made of soft rock-like material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106680116A true CN106680116A (en) | 2017-05-17 |
Family
ID=58826041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710140310.7A Pending CN106680116A (en) | 2017-03-10 | 2017-03-10 | Variable-angle shearing combined clamp for standard cylindrical specimen made of soft rock-like material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106680116A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169010A (en) * | 2018-03-15 | 2018-06-15 | 四川大学 | The shear rheology test fixture of standard cylinder sample and the test method based on it |
| CN108426788A (en) * | 2018-04-11 | 2018-08-21 | 四川大学 | Rock direct shearing test test specimen, piece fixture and its shearing test method |
| CN108827796A (en) * | 2018-08-28 | 2018-11-16 | 中国石油大学(北京) | Measure the test device of rock shear strength and shearing crack Frictional Slipping characteristic |
| CN110031288A (en) * | 2019-05-17 | 2019-07-19 | 王渡初 | A kind of plate pure shear experiment loading device |
| CN110836819A (en) * | 2019-11-25 | 2020-02-25 | 哈尔滨理工大学 | Pneumatic transmission auxiliary device for measuring pull-out load and welding spot shearing performance of welding column in CGA column planting process |
| CN112964574A (en) * | 2021-02-08 | 2021-06-15 | 四川大学 | Cylindrical core direct shear testing machine |
| CN114109457A (en) * | 2021-10-21 | 2022-03-01 | 湖南科技大学 | Coal seam angle-variable shearing device with synchronous self-adaptive cutting cushion blocks |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201266153Y (en) * | 2008-06-24 | 2009-07-01 | 中国科学院武汉岩土力学研究所 | Angle variable board shearing device for cylindrical sample |
| CN105628496A (en) * | 2016-03-22 | 2016-06-01 | 北京航空航天大学 | Multifunctional shearing test fixture used for composite material parameter identification |
| CN105717020A (en) * | 2016-01-28 | 2016-06-29 | 河海大学 | Rock seepage-stress coupling shear rheological test box |
-
2017
- 2017-03-10 CN CN201710140310.7A patent/CN106680116A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201266153Y (en) * | 2008-06-24 | 2009-07-01 | 中国科学院武汉岩土力学研究所 | Angle variable board shearing device for cylindrical sample |
| CN105717020A (en) * | 2016-01-28 | 2016-06-29 | 河海大学 | Rock seepage-stress coupling shear rheological test box |
| CN105628496A (en) * | 2016-03-22 | 2016-06-01 | 北京航空航天大学 | Multifunctional shearing test fixture used for composite material parameter identification |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169010A (en) * | 2018-03-15 | 2018-06-15 | 四川大学 | The shear rheology test fixture of standard cylinder sample and the test method based on it |
| CN108426788A (en) * | 2018-04-11 | 2018-08-21 | 四川大学 | Rock direct shearing test test specimen, piece fixture and its shearing test method |
| CN108426788B (en) * | 2018-04-11 | 2024-06-04 | 四川大学 | Rock direct shear experiment test piece, test piece clamp and shear test method thereof |
| CN108827796A (en) * | 2018-08-28 | 2018-11-16 | 中国石油大学(北京) | Measure the test device of rock shear strength and shearing crack Frictional Slipping characteristic |
| CN108827796B (en) * | 2018-08-28 | 2022-09-30 | 中国石油大学(北京) | Testing device for measuring rock shear strength and shear crack friction sliding characteristics |
| CN110031288A (en) * | 2019-05-17 | 2019-07-19 | 王渡初 | A kind of plate pure shear experiment loading device |
| CN110031288B (en) * | 2019-05-17 | 2021-09-21 | 王渡初 | Pure shearing experiment loading device for plates |
| CN110836819A (en) * | 2019-11-25 | 2020-02-25 | 哈尔滨理工大学 | Pneumatic transmission auxiliary device for measuring pull-out load and welding spot shearing performance of welding column in CGA column planting process |
| CN110836819B (en) * | 2019-11-25 | 2022-03-01 | 哈尔滨理工大学 | Pneumatic transmission auxiliary device for measuring pull-out load and welding spot shearing performance of welding column in CGA column planting process |
| CN112964574A (en) * | 2021-02-08 | 2021-06-15 | 四川大学 | Cylindrical core direct shear testing machine |
| CN114109457A (en) * | 2021-10-21 | 2022-03-01 | 湖南科技大学 | Coal seam angle-variable shearing device with synchronous self-adaptive cutting cushion blocks |
| CN114109457B (en) * | 2021-10-21 | 2023-12-08 | 湖南科技大学 | Coal seam variable angle shearing device with synchronous self-adaptive cutting cushion block |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |
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| WD01 | Invention patent application deemed withdrawn after publication |