CN206020135U - The controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness - Google Patents
The controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness Download PDFInfo
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- CN206020135U CN206020135U CN201620858254.1U CN201620858254U CN206020135U CN 206020135 U CN206020135 U CN 206020135U CN 201620858254 U CN201620858254 U CN 201620858254U CN 206020135 U CN206020135 U CN 206020135U
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Abstract
A kind of controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness, including fixture, Vertical loading device, framework, horizontal charger, crosswise pushing device, transverse support, gripper shoe, bottom support bracket, taper loading head, backing plate and workbench, described Vertical loading device is connected with framework, the horizontal charger is divided into left loading section and right loading section, and loading head is taper loading head；On the crosswise pushing device, crosswise pushing device parallel sliding and can be fixedly mounted in transverse support the horizontal charger；Test specimen is positioned on workbench, lays fixture with the middle of Vertical loading device at the top of test specimen.The utility model can effectively be accurately controlled the high roughness in crack, success rate, effect ideal, can be directed to multiple dimensioned Multiple Shape test specimen.
Description
Technical field
The utility model belongs to civil engineering Rock Mechanics Test field, and especially one kind is used for making multiple dimensioned Multiple Shape
The equipment of rock fracture.
Background technology
The formation of natural rock mass needs to experience a complicated and very long process, due to different geologic origins, rock mass
In the transformation effect of experience repeated tectonic movements, structural deformation and rupture is there occurs, the continuity and integrality of rock mass is destroyed.
Above effect can be internally formed numerous joints, crack etc. at which and discontinuously construct, rich in various defects inside its crack rock, bag
The macroscopic view discontinuous face such as micro-crack, hole and joint fissure is included, under the complex environment of underground, these rock crannies are significant
Affect mechanical characteristic and the Penetration Signature of rock mass.
In quickly building with Geotechnical Engineerings such as expanding economy, slope reinforcement, subway, tunnel, water conservancy and hydropowers,
And there are highly important impact, the accident of lot of domestic and international Geotechnical Engineering in the crack inside rock mass on the stability of engineering rock mass
All as crack is caused.Therefore, grind on the basis for needing development, solution relevant crack Mechanical property and its failure mechanism badly
Study carefully work, but the complex operation due to field test, it is long to expend the time, relatively costly, test effect is unstable etc., and factor is limited,
The Related Experimental Study of crack rock is carried out by laboratory test mostly at present.In testing indoors during manual manufacture crack, one
As crack test specimen is obtained using improved Brazilian diametral compression test method based on rock block, but the method cannot be accurately controlled life
Into the roughness in crack, it is impossible to suitable for the test specimen of the other shapes in addition to cylinder test specimen, effect is undesirable and mortality
High.
The Chinese utility model patent of Application No. 201521037781.8《One kind runs through coarse crack test specimen for making
Clamping device》Provide a kind of device for obtaining insertion crack based on improved Brazilian diametral compression test, the device by fixture, on
Bearing plate and lower bearing plate composition, can preferably make cylinder rock insertion crack, but which can only make single size cylinder
The crack of body test specimen, and cannot precise control crack roughness, limitation is larger.
The Chinese invention patent of Application No. 201610043483.2《The penetrating crack Rapid manufacturing device of high of standard rock sample
And its method of operating》Provide a kind of method for insertion crack being made by rotating the diamond dust saw blade for penetrating rock, which sets
Standby simple, convenient, make efficiency is high, but there is, in the middle of its fissure-plane for making, the rule perforation that accomplishes fluently with a chainsaw in advance, breaks
The integrality of fissure-plane is broken, impact can be produced on follow-up test.
The Chinese invention patent of Application No. 201511009182.X《A kind of true rock sample with penetrating crack
Preparation method》Provide one kind rock sample is attached in mould, and prefabricated through hole is cut into the shape of processing groove, with shape
Into the penetrating crack of non-filling.But the uncontrollable crack degree of roughness of the method, the crack roughness of making are more single.
The Chinese utility model patent of Application No. 201620075006.X《A kind of different through crack dip for making
Rock sample cutting equipment》One kind is provided by fixing cylinder test specimen, the angle of inclination on chassis is adjusted, then by cutting
Equipment perpendicular cuts test specimen is obtaining the method through crack of different angles.The crack that the method is formed is not that rock sample leads to
Cross external force and act on the natural fissure to be formed, its fracture surface is not representative.
Content of the invention
For the crack roughness for overcoming existing production method make the crack of multiple dimensioned Multiple Shape test specimen and generate
Uncontrollable deficiency, the utility model provide a kind of roughness that can be effectively accurately controlled crack, success rate height, effect
The controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness preferable, that multiple dimensioned Multiple Shape test specimen can be directed to.
The utility model solves the technical scheme adopted by its technical problem：
A kind of controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness, the equipment include fixture,
Vertical loading device, framework, horizontal charger, crosswise pushing device, transverse support, gripper shoe, bottom support bracket, taper loading
Head, backing plate and workbench, described Vertical loading device are connected with framework, and the horizontal charger is divided into left loading section
With right loading section, loading head is taper loading head；The horizontal charger is laterally pushed away on crosswise pushing device
Send device parallel sliding and can be fixedly mounted in transverse support；Test specimen is positioned on workbench, at the top of test specimen with vertical
Fixture is laid in the middle of charger.
Further, the Vertical loading device, horizontal charger are by hydraulic servocontrol.
Further, the horizontal charger is divided into the horizontal charger of left and right loading, by a servo-drive system control
System, during loading, synchronous must load.
Further, horizontal charger is pushed away during work by the crosswise pushing device using manual simplified push mode
Before entering test specimen and fixed, stablizing for horizontal charger is kept in loading.
Backing plate is divided into circular, square and arc according to the shape of selected test specimen, and fixture is divided into circle according to selected Specimen Shape
Shape, square and arc.
Further, the size of the circular clamp and backing plate be diameter 50mm, 100mm, 200mm, 300mm, 400mm,
500mm, the wherein jaw thickness of diameter 50mm are 25mm, and remaining thickness is 50mm；The square fixture and the size of backing plate
For length of side 50mm, 100mm, 200mm, 300mm, 400mm, 500mm, the wherein jaw thickness of length of side 50mm is 25mm, and remaining is thick
Degree is 50mm；
Further, the arc fixture and back plate sizes be the bottom length of side be respectively 40mm, 80mm, 160mm, 320mm,
400mm, corresponding arc diameter are respectively 50mm, 100mm, 200mm, 300mm, 400mm, 500mm.
Further, the backing plate and fixture are rigid material, must support the use.
Further, need test specimen center line conllinear with horizontal charger in process of the test, therefore the thickness of backing plate is
Determined according to the position of test specimen center line, and used according to the superposition of the size of test specimen in use.
Further, suitable backing plate and fixture can be selected according to the size and shape of rock sample.
Further, different stress and rate of debarkation can be applied according to the different choice of Rock Species, so as to control
The roughness in the crack of generation.
The utility model is conceived：Conventional utilization diametral compression test makes the method in crack and cannot make multiple dimensioned test specimen,
And current method focuses mostly in the making of cylinder test specimen, it is impossible to directly apply to cube specimen；Due to lotus during pressurization
Load is uncontrollable, causes the roughness in crack uncontrollable or control is inaccurate.A kind of multiple dimensioned Multiple Shape is proposed for this
The crack producing device of rock sample, by the size of spacer board clamp, it is 50mm-500mm that can make diameter or the length of side
Multiple dimensioned crack test specimen；By servo-drive system to normal direction loading and the regulation for laterally loading, crack can be accurately controlled
Roughness.
Compared with prior art, the utility model has the advantages that.
1) by servo-drive system, stress state during splitting is more accurately controlled, the success rate in applicable crack is obtained
Greatly improve.
2) making in multiple dimensioned crack can be carried out.The utility model is applied to diameter or the length of side as 50mm-500mm's
Test specimen carries out the making in insertion crack.
3) crack that can carry out cylinder test specimen and cube specimen makes.In pressurization, only need to be according to Specimen Shape
Select different backing plates and fixture, you can carry out crack making.
4) roughness in crack is controllable.By to normal direction loading and laterally loading and the control of rate of debarkation, obtaining
Obtain the crack of different roughness.
Description of the drawings
Fig. 1 is crack making apparatus front view.
Fig. 2 is I-I profile of crack making apparatus front view.
Fig. 3 is II-II profile of crack making apparatus front view, is from left to right respectively (a) cube, (b) and places circle vertically
Cylinder, (c) traverse cylinder test specimen.
Fig. 4 is crack making apparatus top view.
Fig. 5 is arc fixture and backing plate.
Fig. 6 is square fixture and backing plate.
Fig. 7 circles of position clamp and backing plate.
Wherein, 1, right charger, 2, right taper loading head, 3, fixture, 4, normal direction charger, 5, framework, 6, Zuo Jia
Carry and put, 7, left pusher, 8, left transverse support, 9, bolt, 10, gripper shoe, 11, bottom support bracket, 12, workbench, 13,
Left taper loading head, 14, test specimen, 15, backing plate, 16, prefabricated groove, 17, right pusher, 18, right transverse support, a is the length of side,
R is radius.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is further described.
Reference Fig. 1～Fig. 7, a kind of controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness, including
Right charger 1, right taper loading head 2, fixture 3, Vertical loading device 4, framework 5, left charger 6, left pusher 7,
Left transverse support 8, bolt 9, gripper shoe 10, bottom support bracket 11, workbench 12, left taper loading head 13, test specimen 14, backing plate
15, prefabricated groove 16, right pusher 17, right transverse support 18；
Described Vertical loading device 4 is connected with top rigid frame 5.The horizontal charger is divided into 6 Hes of left loading
Right loading 1, loading head are right taper loading head 2 (left taper loading head 13).7 (right crosswise pushing dress of left crosswise pushing device
Put 17) installed in 8 (right transverse supports 18) in left transverse support, realize sliding and fixed by four guide rails.Described left horizontal
Seat upper 8 (right transverse support 18) is fixed in the gripper shoe 10 of both sides, is fixed with bolt 9.When making crack, test specimen is positioned over work
Make on platform 12, the backing plate according to needed for 14 size Selection of test specimen, backing plate are divided into circular, square and arc according to selected Specimen Shape
Shape.Fixture is laid with the middle of Vertical loading device at the top of test specimen, fixture is divided into circular, square and arc according to selected Specimen Shape
Shape.
Further, the Vertical loading device 4, right laterally charger 1 (left laterally charger 6), are watched by hydraulic pressure
Clothes control.
Further, the left crosswise pushing device 7 (right crosswise pushing device 17) is pushed for Simple hand-operated, will during work
Before right laterally charger 1 (left laterally charger 6) propulsion test specimen, horizontal charger is advanced to before test specimen simultaneously during work
Fixed, stablizing for horizontal charger can be kept in loading.
Further, the circular shim 15 and 3 size of fixture be diameter 50mm, 100mm, 200mm, 300mm, 400mm,
500mm, wherein diameter 50mm jaw thickness are 25mm, and remaining thickness is 50mm；Square backing plate 15 and 3 size of fixture are the length of side
50mm, 100mm, 200mm, 300mm, 400mm, 500mm, wherein diameter 50mm jaw thickness are 25mm, and remaining thickness is
50mm.
Further, the arc backing plate 15 and 3 size of fixture be the bottom length of side be respectively 40mm, 80mm, 160mm,
320mm, 400mm, corresponding arc diameter are respectively 50mm, 100mm, 200mm, 300mm, 400mm, 500mm.Remove arc diameter
The thickness of 50mm is 25mm, and remaining thickness is 50mm.
Further, the backing plate 15 and fixture 3 are rigid material, must support the use.
Further, the horizontal charger 1 (left laterally charger 6) in the described right side cannot be vertically movable, by pad
The stacking of plate, it is ensured that the center line of test specimen is located on right laterally charger 1 (left laterally charger 6) center line.
Example 1：A kind of roughness controllable for the method that makes multiple dimensioned Multiple Shape rock fracture, with length of side 400mm
As a example by granite cube specimen, comprise the steps：
Step 101：Length of side 400mm backing plate 15 and length of side 400mm fixture 3 are selected first according to sample dimensions
Step 102：Backing plate is stacked to ensure test specimen center line on horizontal charger center line.
Step 103：Centerline in test specimen two sides makes the groove of a 10mm × 10mm × 400mm.
Step 104：In test specimen stacked on top placing clamp 3, start Vertical loading device 4, with the speed of 0.5MPa/min
Rate is pressurizeed, and crack roughness as needed selects the normal stress for applying 20MPa to test specimen.
Step 105：After treating normal stress stably, start crosswise pushing device, horizontal charger is pushed to close
Test specimen but do not contact at test specimen, stop pushing.
Step 106：Fixed pusher, starts right laterally charger 1 and left laterally charger 6, while with
The speed loading of 0.5MPa/min, now right taper loading head 2 and left taper loading head 13 are pushed into prefabricated groove, as needed
It is loaded onto 5MPa.
Step 107：After stable, with the speed unloading normal stress of 1.0MPa/min, you can obtain square cross section
Upper foursquare coarse fissure-plane.
Example 2：A kind of roughness controllable for the method that makes multiple dimensioned Multiple Shape rock fracture, with basal diameter
As a example by the high 400mm cylinders sandstone of 200mm are vertically placed, comprise the steps：
Step 201：Diameter 200mm circular shims 15 and diameter 200mm circular clamps 3 are selected first according to sample dimensions
Step 202：Backing plate is stacked to ensure test specimen center line on horizontal charger center line.
Step 203：Centerline in test specimen two sides makes the groove of a 10mm × 10mm × 125mm.
Step 204：In test specimen stacked on top placing clamp 3, start Vertical loading device 4, with the speed of 0.5MPa/min
Rate is pressurizeed, and crack roughness as needed selects the normal stress for applying 15MPa to test specimen.
Step 205：After treating normal stress stably, start crosswise pushing device, horizontal charger is pushed to close
Test specimen but do not contact at test specimen, stop pushing.
Step 206：Fixed pusher, starts right laterally charger 1 and left laterally charger 6, while with
The speed loading of 0.5MPa/min, now right taper loading head 2 and left taper loading head 13 are pushed into prefabricated groove, as needed
It is loaded onto 3MPa.
Step 207：After stable, with the speed unloading normal stress of 0.5MPa/min, you can obtain cylindrical cross section
Upper circular coarse fissure-plane.
Example 3：A kind of roughness controllable for the method that makes multiple dimensioned Multiple Shape rock fracture, with basal diameter
As a example by the high 400mm cylinders sandstone of 200mm are laterally disposed, comprise the steps：
Step 301：Length of side 160mm arc diameter 200mm backing plates 15 are selected according to sample dimensions first and is pressed from both sides with size
Tool 3.
Step 302：Backing plate is stacked to ensure test specimen center line on horizontal charger center line.
Step 303：The groove of a 10mm × 10mm × 400mm is done in the center of test specimen two sides.
Step 304：In test specimen stacked on top placing clamp 3, start Vertical loading device 4, with 0.5MPa/min speed
Pressurization, crack roughness as needed select the normal stress for applying 15MPa to test specimen.
Step 305：After treating normal stress stably, start crosswise pushing device, horizontal charger is pushed to close
Test specimen but do not contact at test specimen, stop pushing.
Step 306：Fixed pusher, starts right laterally charger 1 and left laterally charger 6, while with
The speed loading of 0.2MPa/min, now right taper loading head 2 and left taper loading head 13 are pushed into prefabricated groove, as needed
It is loaded onto 3MPa.
Step 307：After stable, with the speed unloading normal stress of 1.0MPa/min, you can obtain cylinder longitudinal section
Upper rectangular coarse fissure-plane.
Claims (6)
1. the controllable equipment for making multiple dimensioned Multiple Shape rock fracture of a kind of roughness, it is characterised in that：The equipment
Including fixture, Vertical loading device, framework, horizontal charger, crosswise pushing device, transverse support, gripper shoe, bottom
Seat, taper loading head, backing plate and workbench, described Vertical loading device are connected with framework, the horizontal charger point
For left loading section and right loading section, loading head is taper loading head；The horizontal charger is arranged on crosswise pushing
On device, crosswise pushing device parallel sliding and can be fixedly mounted in transverse support；Test specimen is positioned on workbench, examination
Fixture is laid with the middle of Vertical loading device at the top of part.
2. equipment as claimed in claim 1, it is characterised in that：The Vertical loading device, horizontal charger are watched by hydraulic pressure
Clothes control.
3. equipment as claimed in claim 1 or 2, it is characterised in that：The horizontal charger is divided into the horizontal of left and right loading
Charger, by a servo system control, during loading, synchronous must load.
4. equipment as claimed in claim 1 or 2, it is characterised in that：The crosswise pushing device adopts manual simplified push side
Formula, is advanced to horizontal charger before test specimen and fixed during work, keeps stablizing for horizontal charger in loading.
5. equipment as claimed in claim 1 or 2, it is characterised in that：The backing plate according to the shape of selected test specimen be divided into circle,
Square and arc, fixture are divided into circular, square and arc according to selected Specimen Shape.
6. equipment as claimed in claim 1 or 2, it is characterised in that：The test specimen center line is conllinear with horizontal charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858254.1U CN206020135U (en) | 2016-08-08 | 2016-08-08 | The controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858254.1U CN206020135U (en) | 2016-08-08 | 2016-08-08 | The controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206020135U true CN206020135U (en) | 2017-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620858254.1U Expired - Fee Related CN206020135U (en) | 2016-08-08 | 2016-08-08 | The controllable equipment for making multiple dimensioned Multiple Shape rock fracture of roughness |
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| CN (1) | CN206020135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153422A (en) * | 2016-08-08 | 2016-11-23 | 绍兴文理学院 | The method and apparatus for making multiple dimensioned Multiple Shape rock fracture that a kind of roughness is controlled |
| CN112098297A (en) * | 2020-09-14 | 2020-12-18 | 中国石油大学(华东) | A multiform rock core clamping device for sound wave is measured |
-
2016
- 2016-08-08 CN CN201620858254.1U patent/CN206020135U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153422A (en) * | 2016-08-08 | 2016-11-23 | 绍兴文理学院 | The method and apparatus for making multiple dimensioned Multiple Shape rock fracture that a kind of roughness is controlled |
| CN106153422B (en) * | 2016-08-08 | 2018-10-19 | 绍兴文理学院 | A kind of method and apparatus for making multiple dimensioned Multiple Shape rock fracture that roughness is controllable |
| CN112098297A (en) * | 2020-09-14 | 2020-12-18 | 中国石油大学(华东) | A multiform rock core clamping device for sound wave is measured |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20210808 |