CN209673570U - A kind of rock different angle shearing testing fixture - Google Patents
A kind of rock different angle shearing testing fixture Download PDFInfo
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- CN209673570U CN209673570U CN201920421357.5U CN201920421357U CN209673570U CN 209673570 U CN209673570 U CN 209673570U CN 201920421357 U CN201920421357 U CN 201920421357U CN 209673570 U CN209673570 U CN 209673570U
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Abstract
The utility model provides a kind of rock different angle shearing testing fixture, including top half and lower half portion, top half and lower half portion are oppositely arranged, top half includes upper pressure seat, left block, right block, top rotating seat and upper Cut Block, the left and right sides of upper pressure seat are arranged in by screw one for left block and right block, top rotating seat, upper Cut Block and upper pressure seat are set gradually from top to bottom, lower half portion includes down pressing seat, left block, right block, lower part rotating seat and lower Cut Block, the left and right sides of down pressing seat are arranged in by screw one for left block and right block, lower part rotating seat, lower Cut Block and down pressing seat are set gradually from top to bottom, top rotating seat and lower part rotating seat can rotate within the scope of 0 ° -70 ° around central axis.Two variable-angle rotating seats up and down are arranged in the utility model overall structure, it is provided with scale value, can arbitrarily can change angle within the scope of 0 ° -70 ° according to different test requirements documents, for use in rock shearing performance detection, structure is simple, and it is wide to adapt to angular range.
Description
Technical field
The utility model relates to a kind of rock shearing test fixture, the shearing test of especially a kind of rock variable-angle is pressed from both sides
Tool.
Background technique
The shear strength of rock is the maximum capacity of shear of rock stress rupture, the rock shear strength of city measurement at present
There are many test method, such as single side and two-sided cutting direct shear test and angle method, drift test and triaxial test etc..
Rock angle variable plate method is to apply vertical load using press machine, generates test specimen along a certain shear surface by a set of special fixture
Then failure by shear parses Normal compressive stress and shear stress on shear surface by static balance condition, and complete this test
Device needed for fixture be exactly rock different angle shearing testing fixture, which is mainly used for rock shearing performance detection, meets
TB10115-1998 railway engineering rock test regulatory requirements, the current existing adjustable angular range of fixture are smaller.
Utility model content
The utility model provides a kind of simple rock different angle shearing testing fixture of structure, solves and deposits in the prior art
The problem of cannot do the shearing test at any angle within the scope of 0 ° -70 °.
Used technical solution is the utility model to solve above-mentioned technical problem: including top half and lower half
Point, top half and lower half portion are oppositely arranged, top half include upper pressure seat, left block, right block, top rotating seat and on
The left and right sides of upper pressure seat are arranged in by screw one in Cut Block, left block and right block, top rotating seat, upper Cut Block and
Upper pressure seat is set gradually from top to bottom, and lower half portion includes down pressing seat, left block, right block, lower part rotating seat and lower Cut Block,
The left and right sides of down pressing seat, lower part rotating seat, lower Cut Block and down pressing seat are arranged in by screw one for left block and right block
It sets gradually from top to bottom, the leading flank of top rotating seat and lower part rotating seat is provided with 0 ° -70 ° of scale, top rotation
Seat and lower part rotating seat can rotate within the scope of 0 ° -70 ° around central axis.
Preferably, multiple rows of needle rollers side by side, lower Cut Block and down pressing seat are provided between upper Cut Block and upper pressure seat
Between be provided with it is multiple side by side rows of needle rollers.
Preferably, the position leading flank periphery that top rotating seat and upper Cut Block mutually rotate is provided with upper guard board, lower part
The position side periphery that rotating seat and lower Cut Block mutually rotate is provided with lower backplate.
Preferably, upper Cut Block is connected by screw two with the upper hanging plate of two sides with upper pressure seat, lower Cut Block and down pressing seat
It is connected by screw two with the lower hanging plate of two sides.
The utility model using the above structure, has the advantage that overall structure setting two variable-angle rotations up and down
Swivel base is provided with scale value, can arbitrarily can change angle within the scope of 0 ° -70 ° according to different test requirements documents, so as to
In rock shearing performance detection, structure is simple, and it is wide to adapt to angular range.
Detailed description of the invention
Fig. 1 is the facade complete section structural schematic diagram of the utility model;
Fig. 2 is the top half complete section structural schematic diagram of the utility model;
Fig. 3 is the lower half portion complete section structural schematic diagram of the utility model.
In figure, 1, down pressing seat;2, screw one;3, left block;4, needle roller;5, lower part rotating seat;6, scale;7, rock tries
Sample;8, top rotating seat;9, upper pressure seat;10, right block;11, upper guard board;12, screw two;13, upper Cut Block;14, upper hanging plate;
15, lower backplate;16, lower Cut Block;17, lower hanging plate.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As shown in Figure 1, top half and lower half portion are oppositely arranged, as shown in Fig. 2, top half includes upper pressure seat 9, a left side
Block 3, right block 10, top rotating seat 8 and upper Cut Block 13, left block 3 and right block 10 are arranged by screw 1 in upper pressure
The left and right sides of seat 9, top rotating seat 8, upper Cut Block 13 and upper pressure seat 9 are set gradually from top to bottom, as shown in figure 3, under
Half part includes down pressing seat 1, left block 3, right block 10, lower part rotating seat 5 and lower Cut Block 16, left block 3 and right block 10
The left and right sides of down pressing seat 1 are set by screw 1, and lower part rotating seat 5, lower Cut Block 16 and down pressing seat 1 are from top to bottom
It sets gradually, the leading flank of top rotating seat 8 and lower part rotating seat 5 is provided with 0 ° -70 ° of scale 6,8 He of top rotating seat
Lower part rotating seat 5 can rotate within the scope of 0 ° -70 ° around central axis, be provided between upper Cut Block 13 and upper pressure seat 9 more
A rows of needle roller 4 side by side is provided with multiple rows of needle rollers 4 side by side, top rotating seat between lower Cut Block 16 and down pressing seat 1
8 and the position leading flank periphery that mutually rotates of upper Cut Block 13 be provided with upper guard board 11, lower part rotating seat 5 and lower 16 phase of Cut Block
The position side periphery mutually rotated is provided with lower backplate 15, and upper Cut Block 13 and upper pressure seat 9 are upper by screw 2 12 and two sides
Hanging plate 14 connects, and lower Cut Block 16 and down pressing seat 1 are connected by screw 2 12 and the lower hanging plate 17 of two sides.
When test, first top half and lower half portion is mounted on pressure testing machine relatively respectively, pays attention to making the upper half
Point and the center of lower half portion and the center line of pressure testing machine coincide, then revolved according to different test requirements document rotation top
Angle needed for transposon 18 and lower part rotating seat 5 arbitrarily adjust within the scope of 0 ° -70 °, after angle is adjusted, rock sample 7 is put into
Between top rotating seat 8 and lower part rotating seat 5, at this time, start pressure testing machine, completes rock shearing test, record test number
According to needle roller 4 guarantees to reduce frictional force when upper Cut Block 13 and upper pressure seat 9, lower Cut Block 16 and down pressing seat 1 horizontally slip.
Wherein, screw is the prior art.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (4)
1. a kind of rock different angle shearing testing fixture, it is characterised in that: including top half and lower half portion, the upper half
Point and lower half portion be oppositely arranged, the top half include upper pressure seat, left block, right block, top rotating seat and on cut
Cut the left and right sides that upper pressure seat is arranged in by screw one for seat, the left block and right block, top rotating seat, upper shearing
Seat and upper pressure seat are set gradually from top to bottom, and the lower half portion includes down pressing seat, left block, right block, lower part rotating seat
With lower Cut Block, the left block and right block are arranged in the left and right sides of down pressing seat by screw one, lower part rotating seat,
Lower Cut Block and down pressing seat are set gradually from top to bottom, and the leading flank of the top rotating seat and lower part rotating seat is provided with
0 ° -70 ° of scale, top rotating seat and lower part rotating seat can rotate within the scope of 0 ° -70 ° around central axis.
2. rock different angle shearing testing fixture according to claim 1, it is characterised in that: the upper Cut Block and upper pressure
It is provided with multiple rows of needle rollers side by side between seat, is provided between the lower Cut Block and down pressing seat multiple rows of side by side
Needle roller.
3. rock different angle shearing testing fixture according to claim 1, it is characterised in that: the top rotating seat and upper
The position leading flank periphery that Cut Block mutually rotates is provided with upper guard board, and the lower part rotating seat and lower Cut Block mutually rotate
Position side periphery be provided with lower backplate.
4. rock different angle shearing testing fixture according to claim 1, it is characterised in that: the upper Cut Block and upper pressure
Seat connect with the upper hanging plate of two sides by screw two, and the lower Cut Block and down pressing seat pass through the lower hanging plate of screw two and two sides
Connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920421357.5U CN209673570U (en) | 2019-03-30 | 2019-03-30 | A kind of rock different angle shearing testing fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920421357.5U CN209673570U (en) | 2019-03-30 | 2019-03-30 | A kind of rock different angle shearing testing fixture |
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CN209673570U true CN209673570U (en) | 2019-11-22 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111929181A (en) * | 2020-07-24 | 2020-11-13 | 中煤科工集团西安研究院有限公司 | Impact rock breaking mechanism test device |
CN112014199A (en) * | 2020-08-26 | 2020-12-01 | 东北大学 | Rock variable-angle shearing device and test method thereof |
CN113109175A (en) * | 2021-03-01 | 2021-07-13 | 绍兴文理学院 | Rock stratum boundary layer multi-angle shear strength test device |
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 |
-
2019
- 2019-03-30 CN CN201920421357.5U patent/CN209673570U/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111929181A (en) * | 2020-07-24 | 2020-11-13 | 中煤科工集团西安研究院有限公司 | Impact rock breaking mechanism test device |
CN112014199A (en) * | 2020-08-26 | 2020-12-01 | 东北大学 | Rock variable-angle shearing device and test method thereof |
CN112014199B (en) * | 2020-08-26 | 2021-09-28 | 东北大学 | Rock variable-angle shearing device and test method thereof |
CN113109175A (en) * | 2021-03-01 | 2021-07-13 | 绍兴文理学院 | Rock stratum boundary layer multi-angle shear strength test device |
CN113109175B (en) * | 2021-03-01 | 2024-06-04 | 绍兴文理学院 | Multi-angle shear strength test device for stratum boundary surface |
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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