CN208907871U - A kind of more size adjustable rock cleavage test boxs - Google Patents
A kind of more size adjustable rock cleavage test boxs Download PDFInfo
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- CN208907871U CN208907871U CN201821552247.4U CN201821552247U CN208907871U CN 208907871 U CN208907871 U CN 208907871U CN 201821552247 U CN201821552247 U CN 201821552247U CN 208907871 U CN208907871 U CN 208907871U
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- rock sample
- rock
- bottom plate
- top plate
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Abstract
A kind of more size adjustable rock cleavage test boxs, including bottom plate, described bottom plate or so are fixed with side uprights, and pressure-bearing top plate is inserted in column top sliding in left and right side；Filler strip is equipped on the bottom plate, pressure-bearing top plate on opposite side, filler strip is aligned with position line vertical on rock sample；Photoelectric displacement sensor is installed, photoelectric displacement sensor is aligned with position line horizontal on rock sample on the left and right side column；The bottom plate is equipped with guide rail, and sliding is equipped with pairs of correcting wedge on guide rail, and two correcting wedges carry out telescopic adjustment by telescoping mechanism, and two correcting wedges are contacted by lozenges with rock sample, realizes centering, the leveling of rock sample.A kind of more size adjustable rock cleavage test boxs provided by the utility model can meet the test demand of arbitrary dimension sample, and production is simple, easy to operate.
Description
Technical field
The utility model relates to rock mechanics experiment equipment, especially a kind of more size adjustable rock cleavage test boxs are used
In mechanics parameters such as measurement Tensile Strength of Rock.
Background technique
Tensile strength is one of basic mechanical parameter of rock.Brazilian split the law is that a kind of common test rock tension is strong
The method of degree.Typical diametral compression test box is usually fixed size, can only carry out a kind of rock sample diametral compression test of size, so
And according to engineering and scientific research needs, this diametral compression test is not able to satisfy test demand, is mainly manifested in following aspects: (1)
Diameter 50mm can only be carried out, the sample of length 50mm rock sample can not carry out the test of other sizes rock sample, and want according to engineering
It asks, needs to carry out the diametral compression test of 30mm ~ 300mm, even larger sized sample；(2) displacement sensor of contact is used
The lateral deformation of test rock sample during loading frequently results in sensing since cleavage fracture is a kind of typical brittle break
Device damage；In rock sample installation and loading procedure, it is difficult accurate centering, rock sample easily tilts in loading procedure, and then influences test
As a result, even resulting in test failure.
Summary of the invention
It, can be so as to the technical problem to be solved by the utility model is to provide a kind of more size adjustable rock cleavage test boxs
Rock sample is fixed promptly and can carry out diametral compression test for various sizes of rock sample, so that test operation is more convenient,
The result of test is more accurate.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
A kind of more size adjustable rock cleavage test boxs, including bottom plate, described bottom plate or so are fixed with side uprights, left and right
Pressure-bearing top plate is inserted in the sliding of side uprights top；Filler strip, filler strip and rock are equipped on opposite side on the bottom plate, pressure-bearing top plate
Vertical position line alignment on sample；Photoelectric displacement sensor is installed on the left and right side column, photoelectric displacement sensor with
Horizontal position line alignment on rock sample；The bottom plate is equipped with guide rail, and sliding is equipped with pairs of correcting wedge, two wedges on guide rail
Shape cushion block carries out telescopic adjustment by telescoping mechanism, and two correcting wedges are contacted by lozenges with rock sample, realize rock sample
Centering, leveling.
The pressure-bearing top plate is cross top plate, and two tip extension of cross top plate has the circular hole connecting with side uprights.
The photoelectric displacement sensor is mounted in side uprights by sensor support base, passes through the adjusting bolt on support
Adjustable and fixed photoelectric displacement sensor.
Buffer spring is cased in the side uprights of the sensor support base upper end.
The telescoping mechanism includes the adjustment screw rod being rotatably connected with correcting wedge, adjustment screw rod and upright post base screw thread
Connection, and stretch out upright post base and connect with runner.
6, a kind of more size adjustable rock cleavage methods, comprising the following steps:
Step 1: drawing position line in rock sample end face and side；
Step 2: splitting box is installed on pressure testing machine base, rock sample is placed into diametral compression test box；
Step 3: position of the correcting wedge on guide rail is adjusted, so that rock sample is vertical according to the size rotating wheel of rock sample
The plane that the position line in direction and upper and lower two filler strips are determined is overlapped；
Step 4: the position of the size adjusting photoelectric displacement sensor support then according to rock sample, so that photoelectric displacement passes
The deformation test point of sensor alignment rock sample two sides.
Step 5: each self installation buffer spring in two root posts, installs pressure-bearing top plate later, cushion block is placed, keeps holding
Pressing plate is horizontal, so that filler strip and the alignment of rock sample end face position line on pressure-bearing top plate；
Step 6: rotating adjustment screw rod by runner, correcting wedge is retreated, and eliminates support of the correcting wedge to rock sample；
It is loaded step 7: opening instrument, records data.
A kind of more size adjustable rock cleavage test boxs of the present utility model, have following technical effect that
1), by the way that telescopic correcting wedge is arranged, position adjustment can be carried out according to the size of rock sample and to rock sample
It is fixed, the precise alignment leveling of rock sample may be implemented during the test, avoid splitting surface from tilting, so that test be effectively ensured
Success.In addition for a kind of defect for the rock sample test that traditional diametral compression test box can only meet specific dimensions, the device
Round or rectangular rock sample (concrete) diametral compression test that can satisfy arbitrary dimension, improves the versatility of device.
2) traditional tangent displacement sensor, is replaced by using photoelectric displacement sensor, avoids the brittleness of rock sample
Destroy the damage to sensor.
3), by the way that buffer spring is arranged in side uprights, damage sensing in pressure-bearing top plate whereabouts after rock sample destroys is avoided
Device.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the main view of the utility model.
Fig. 2 is the left view of the utility model.
Fig. 3 is the top view of pressure-bearing top plate in the utility model.
Fig. 4 is the main view of correcting wedge in the utility model.
Fig. 5 is the left view of correcting wedge in the utility model.
Fig. 6 is rock sample end face position line schematic diagram in the utility model.
Fig. 7 is rock sample side position line schematic diagram in the utility model.
Fig. 8 is sensor support base schematic diagram in the utility model.
In figure: filler strip 1, pressure-bearing top plate 2, side uprights 3, buffer spring 4, sensor support base 5, runner 6 adjust screw rod 7,
Correcting wedge 8, bottom plate 9, rock sample 10, guide rail 11, cushion block 12, bearing bottom plate 13, deformation test point 14, upright post base 15, positioning
Line 16, photoelectric displacement sensor 17.
Specific embodiment
As shown in Figs 1-4, a kind of more size adjustable rock cleavage test boxs, including bottom plate 9, side uprights 3, pressure-bearing top plate
2, photoelectric displacement sensor 17, correcting wedge 8 etc..
The pressure-bearing top plate 2 uses cross top plate, and two tip extension of cross top plate has the circle connecting with side uprights 3
Hole.Pressure-bearing top plate 2 passes through side uprights 3 by circular hole, and such pressure-bearing top plate 2 can freely up and down move along column, not have
Other constraints.
Side uprights 3 are divided to or so two to be fixed on the upright post base 15 of bottom plate 9, install and pass on two sides column 3
Sensor support 5 installs photoelectric displacement sensor 17 on sensor support base 5 again.Sensor support base 5 includes flexible lantern ring 18, can
18 both ends of lantern ring are bent by adjusting the connection of bolt 19 circlewise, flexible 18 side of lantern ring is additionally provided with pairs of baffle 20, and one
Auger shell pit on the baffle of side, after photoelectric displacement sensor 17 is inserted into, fixing bolt 21 passes through threaded hole and is locked
It is equipped with bearing bottom plate 13 perpendicular to end face direction on bottom plate 9, on 2 opposite side of bearing bottom plate 13 and pressure-bearing top plate
It is symmetrically installed with filler strip 1.Filler strip 1 can be used for being aligned with position line 16 vertical on rock sample 10.
In addition guide rail 11 is also set up on bottom plate 9,11 cross section of guide rail is dovetail shaped, and 8 bottom end of correcting wedge is equipped with dovetail
Slot, correcting wedge 8 pass through dovetail groove and 11 clearance fit of guide rail and can horizontally slip along guide rail 11.Two correcting wedges 8 opposite one
The end face at end be inclined-plane, two correcting wedges 8 close to when, which contacts with the side wall of rock sample 10.In order to realize effective position,
It is leveled to neutralizing, each 8 other end of correcting wedge can be rotatably connected by bearing or axle sleeve with adjustment screw rod 7, adjust silk
Bar 7 is threadedly coupled with upright post base 15, and is stretched out upright post base 15 and connect with runner 6.When the position for needing to adjust correcting wedge 8
It, can be by rotating wheel 6, so that adjustment screw rod 7 is moved left and right with respect to upright post base 15, to drive correcting wedge 8 left when setting
It moves right.Change the position of correcting wedge 8 according to 10 size of rock sample in this way, so that the rock sample (rectangular or round) of different size is equal
It can be fixed well, so that the rock sample for controlling different size reaches accurate centering, leveling.
Operation principle and process:
1), position line 16 is drawn in rock sample end face and side；
2), splitting box is installed on pressure testing machine base, rock sample is placed into diametral compression test box；
3), according to the size rotating wheel 6 of rock sample 10, position of the correcting wedge 8 on guide rail 11 is adjusted, so that rock sample is perpendicular
Histogram to position line 16 and the plane that is determined of upper and lower two filler strips 1 be overlapped；
4), then according to the position of the size adjusting photoelectric displacement sensor support 5 of rock sample 10, so that photoelectric displacement senses
The deformation test point 14 of the alignment of device 17 rock sample two sides.
5), each self installation buffer spring 4 in two root posts 3 installs pressure-bearing top plate 2 later, places cushion block 12, keeps holding
Pressing plate is horizontal, so that the filler strip 1 and rock sample end face position line 16 on pressure-bearing top plate 2 are aligned；
6), by the rotation adjustment screw rod 7 of runner 6, correcting wedge 8 is retreated, and eliminates support of the correcting wedge to rock sample；
7) it, opens instrument to be loaded, records data.
Claims (5)
1. a kind of more size adjustable rock cleavage test boxs, it is characterised in that: including bottom plate (9), bottom plate (9) left and right is fixed
Have side uprights (3), pressure-bearing top plate (2) are inserted in the sliding of left and right side column (3) top；The bottom plate (9), pressure-bearing top plate (2)
It is equipped on upper opposite side filler strip (1), filler strip (1) is aligned with position line (16) vertical on rock sample (10)；The left and right sides
It is equipped on face column (3) photoelectric displacement sensor (17), horizontal positioning on photoelectric displacement sensor (17) and rock sample (10)
Line (16) alignment；The bottom plate (9) is equipped with guide rail (11), slides on guide rail (11) and is equipped with pairs of correcting wedge (8), and two
Correcting wedge (8) carries out telescopic adjustment by telescoping mechanism, and two correcting wedges (8) are connect by lozenges with rock sample (10)
Centering, the leveling of rock sample are realized in touching.
2. a kind of more size adjustable rock cleavage test boxs according to claim 1, it is characterised in that: the pressure-bearing top plate
It (2) is cross top plate, two tip extension of cross top plate has the circular hole connecting with side uprights (3).
3. a kind of more size adjustable rock cleavage test boxs according to claim 1, it is characterised in that: the photoelectric displacement
Sensor (17) is mounted on side uprights (3) by sensor support base (5), by the adjusting bolt on support it is adjustable and
Fixed photoelectric displacement sensor.
4. a kind of more size adjustable rock cleavage test boxs according to claim 3, it is characterised in that: the sensor branch
Buffer spring (4) are cased in the side uprights (3) of seat (5) upper end.
5. a kind of more size adjustable rock cleavage test boxs according to claim 1, it is characterised in that: the telescoping mechanism
Including the adjustment screw rod (7) being rotatably connected with correcting wedge (8), adjusts screw rod (7) and be threadedly coupled with upright post base (15), and
It stretches out upright post base (15) and is connect with runner (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821552247.4U CN208907871U (en) | 2018-09-21 | 2018-09-21 | A kind of more size adjustable rock cleavage test boxs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821552247.4U CN208907871U (en) | 2018-09-21 | 2018-09-21 | A kind of more size adjustable rock cleavage test boxs |
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| Publication Number | Publication Date |
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| CN208907871U true CN208907871U (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821552247.4U Active CN208907871U (en) | 2018-09-21 | 2018-09-21 | A kind of more size adjustable rock cleavage test boxs |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115608A (en) * | 2018-09-21 | 2019-01-01 | 三峡大学 | A kind of more size adjustable rock cleavage test boxs and method |
| CN111610212A (en) * | 2020-06-03 | 2020-09-01 | 成都理工大学 | Scanning electron microscope sample positioning device and method for oil and gas reservoir transformation experiment |
| CN113176341A (en) * | 2021-04-25 | 2021-07-27 | 江西理工大学 | Fixing device and method for acoustic emission probe in Brazilian split test |
| CN114878279A (en) * | 2022-06-01 | 2022-08-09 | 成都理工大学 | Rock sample manufacturing device and manufacturing method thereof |
-
2018
- 2018-09-21 CN CN201821552247.4U patent/CN208907871U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115608A (en) * | 2018-09-21 | 2019-01-01 | 三峡大学 | A kind of more size adjustable rock cleavage test boxs and method |
| CN109115608B (en) * | 2018-09-21 | 2024-08-06 | 三峡大学 | Multi-size adjustable rock splitting test box and method |
| CN111610212A (en) * | 2020-06-03 | 2020-09-01 | 成都理工大学 | Scanning electron microscope sample positioning device and method for oil and gas reservoir transformation experiment |
| CN111610212B (en) * | 2020-06-03 | 2023-04-18 | 成都理工大学 | Scanning electron microscope sample positioning device and method for oil and gas reservoir transformation experiment |
| CN113176341A (en) * | 2021-04-25 | 2021-07-27 | 江西理工大学 | Fixing device and method for acoustic emission probe in Brazilian split test |
| CN114878279A (en) * | 2022-06-01 | 2022-08-09 | 成都理工大学 | Rock sample manufacturing device and manufacturing method thereof |
| CN114878279B (en) * | 2022-06-01 | 2023-05-30 | 成都理工大学 | Rock sample manufacturing device and manufacturing method thereof |
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