CN211825498U - Portable tiltable shearing device - Google Patents
Portable tiltable shearing device Download PDFInfo
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- CN211825498U CN211825498U CN202020125290.3U CN202020125290U CN211825498U CN 211825498 U CN211825498 U CN 211825498U CN 202020125290 U CN202020125290 U CN 202020125290U CN 211825498 U CN211825498 U CN 211825498U
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Abstract
The utility model belongs to the technical field of the shear test, a portable tilting shearing mechanism is disclosed, include: the device comprises a base, a rotary tray, an arc rotating guide rod, a normal loading structure, a tangential loading structure, a protractor scale and a pointer; the rotating tray is pivotally connected with the base through a pivot shaft, the first end of the arc rotating guide rod is hinged with the base through a hinge piece, and the rod body of the arc rotating guide rod is slidably embedded in the rotating tray; the normal loading structure is fixed on the rotary tray; the tangential loading structure is fixed on the rotating tray; the protractor scale is fixed on the base, the pointer is fixed on the rotating tray, and the rotating center of the pointer and the original point of the protractor scale are both arranged at the position of the pivot shaft. The utility model provides a tilting shearing mechanism can realize high-efficient, reliable shear test.
Description
Technical Field
The utility model relates to a shear test technical field, in particular to portable tilting shearing mechanism.
Background
In the prior art, the shear action of a rock mass on the environment of the rock mass is related, and various influence factors exist. In order to research the shearing action of the rock mass, the shearing test is usually carried out by simulating the environmental factors of the rock mass; however, the simulated environment factor of the shearing device in the prior art is too single, so that the reliability of the experimental result and the correlation with various factors are poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a portable tilting shearing mechanism solves the poor technical problem of shear test reliability among the prior art.
In order to solve the technical problem, the utility model provides a portable tilting shearing mechanism, include: the device comprises a base, a rotary tray, an arc rotating guide rod, a normal loading structure, a tangential loading structure, a protractor scale and a pointer;
the rotating tray is pivotally connected with the base through a pivot shaft, the first end of the arc rotating guide rod is hinged with the base through a hinge, and the rod body of the arc rotating guide rod is slidably embedded in the rotating tray;
the normal loading structure is fixed on the rotating tray and used for applying normal pressure to a shear sample;
the tangential loading structure is fixed on the rotating tray and is used for applying tangential pressure to a shear sample;
the protractor scale is fixed on the base, the pointer is fixed on the rotary tray, and the rotation center of the pointer and the origin of the protractor scale are both arranged at the position of the pivot shaft and used for measuring the rotation angle of the rotary tray relative to the base.
Further, the rotating tray includes: the tray comprises a tray main body, an upper baffle and a lower baffle;
the tray main body is pivotally connected with the base through the pivot shaft;
the upper baffle plate is fixed on the tray main body in parallel;
the normal loading structure is fixed on the tray main body, and a normal loading head of the normal loading structure is arranged between the upper baffle and the lower baffle;
the tangential loading structure is fixed above the upper baffle plate.
Further, the normal loading structure comprises: the device comprises a normal loading bracket, a normal loading rod and a normal loading head;
the normal loading bracket is fixed on the tray main body, the normal loading rod is fixed on the normal loading bracket, and the normal loading head is fixed on the normal loading rod;
the normal loading bar is disposed perpendicular to the tray body.
Further, the normal loading structure further comprises: a slider;
the slider is slidably secured to the normal loading bracket and the normal loading lever is secured to the slider.
Further, the tangential loading structure comprises: a tangential loading cylinder;
the tangential loading oil cylinder is fixed on the upper baffle.
Further, the portable tiltable cutting apparatus further comprises: a box body;
the base and the rotary tray are fixed in the box body;
the box body is provided with a liquid injection port and a liquid discharge port;
and a heating couple, a temperature sensor and a field controller are arranged in the box body, and the heating couple and the temperature sensor are respectively connected with the field controller.
Furthermore, a transparent window is arranged on the box body.
Furthermore, a sliding track and a side door are arranged in the box body;
the bottom of the base is provided with a guide wheel which can be placed on the sliding rail in a sliding mode.
Further, the portable tiltable cutting apparatus further comprises: a display screen;
the display screen is connected with the field controller.
Furthermore, a normal laser range finder and a tangential laser range finder are further arranged on the rotating tray.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the portable tiltable shearing device provided by the embodiment of the application, the angle-accurately-controlled rotary shearing structure is established through the rotary tray, the arc rotating guide rod, the normal loading structure, the tangential loading structure, the protractor scale and the pointer, so that the conditions that the shearing surface of a shearing object has different included angles with the gravity direction are simulated, and the actual stress state of the environment such as a side slope in a real production process is simulated; normal pressure perpendicular to the shear plane can also be applied to further enrich the stress state.
Drawings
Fig. 1 is a schematic structural diagram of a portable tiltable cutting device provided by the present invention.
Detailed Description
The embodiment of the application solves the technical problem of poor reliability of a shear test in the prior art by providing the tiltable shearing device.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the present disclosure, and it should be understood that the specific features in the embodiments and examples of the present disclosure are detailed descriptions of the technical solutions of the present disclosure, but not limitations of the technical solutions of the present disclosure, and the technical features in the embodiments and examples of the present disclosure may be combined with each other without conflict.
Referring to fig. 1, a portable tiltable cutting apparatus comprises: base 13, rotating tray 12, circular arc turning guide 35, normal loading structure, tangential loading structure 41, protractor scale 19, and pointer 23.
The rotating tray 12 is pivotally connected with the base 13 through a pivot shaft 21, a first end of the arc rotating guide rod 35 is hinged with the base 13 through a rod end hinge 34, and a rod body of the arc rotating guide rod 35 is slidably embedded in the rotating tray 12; the rotating tray 12 can be pushed to rotate along the arc rotating guide rod 35, so that the included angle between the shearing surface between the upper shearing sample 26 and the lower shearing sample 25, namely the shearing joint surface 27 and the gravity direction, can be flexibly and conveniently adjusted.
The normal loading structure is fixed on the rotating tray 12 and is used for applying normal pressure to a shear sample, namely the direction vertical to the shear joint surface 27; it is of course worth mentioning that the normal force does not necessarily have to be applied.
The tangential loading 41 structure is fixed on the rotating tray 12 and is used for applying tangential pressure to the shear specimen to carry out shearing operation or pushing the upper shear specimen 26 and the lower shear specimen 25 to interact relatively to research the sliding effect of the shear joint surface 27.
The protractor scale 19 is fixed on the base 13, the pointer 23 is fixed on the rotating tray 12, and both the rotation center of the pointer 23 and the origin of the protractor scale 19 are arranged at the pivot shaft 21, so as to measure the rotation angle of the rotating tray 12 relative to the base 13.
Specifically, the rotating tray 12 includes: a tray body, an upper baffle 40 and a lower baffle 24; the tray main body is pivotally connected with the base 13 through the pivot shaft 21; the upper baffle plate 40 is fixed on the tray main body in parallel; the normal loading structure is fixed on the tray main body, and a normal loading head 9 of the normal loading structure is arranged between the upper baffle 40 and the lower baffle 24; the tangential loading structure 41 is fixed above the upper baffle 40.
The normal loading structure includes: the device comprises a normal loading bracket 8, a normal loading rod 6 and a normal loading head 9; the normal loading bracket 8 is fixed on the tray main body, the normal loading rod 6 is fixed on the normal loading bracket 8, and the normal loading head 9 is fixed on the normal loading rod 6; the normal loading bar 6 is arranged perpendicular to the tray body, thereby achieving a vertical loading normal force.
The normal loading structure further comprises: a slider 5; the slider 5 is slidably secured to the normal load bracket 8 and the normal load lever 6 is secured to the slider 5 so that the position of the normal register can be adjusted.
Notably, the tangential loading structure 41 includes: a tangential loading cylinder; the tangential loading cylinder is fixed on the upper baffle 40.
Further, the tiltable cutting apparatus further comprises: a box body 1;
the base 13 and the rotating tray 12 are fixed in the case 1, and specifically, the rotating tray 12 is disposed on the base 13, thereby achieving housing.
The box body 1 is provided with a liquid injection port 2 and a liquid discharge port 15; thereby being capable of adding different liquid reagents to carry out related tests.
The box body 1 is internally provided with a heating couple 3, a temperature sensor 4 and a field controller 37, and the heating couple 3 and the temperature sensor 4 are respectively connected with the field controller 37, so that the temperature control is realized.
In order to facilitate observation, the box body 1 is provided with a transparent window 42.
Furthermore, a sliding track 18 and a side door 36 are arranged in the box body 1; the bottom of the base 13 is provided with a guide wheel 17, and the guide wheel 17 can be slidably placed on the sliding track 18; thereby facilitating storage.
Usually, in order to form a certain height, the bottom of the base 13 is fixed on a sliding plate 16 through a support rod 14, and the guide wheel 17 is fixed below the sliding plate 16.
A crash barrier 11 is provided generally on the rotating tray 12 below the lower barrier 24; the normal loading bracket 8 is fixed to the impact fender 11.
Of course, in order to adapt to measurement in non-laboratory or field conditions, a protractor scale 19 is fixed on the base 13, a dial 20 is perpendicular to a pivot shaft 21, a pointer 23 is further arranged and fixed on the rotary tray 12 through a fastening bolt 28 to rotate along with the rotary tray, and the pointer 23 is pivotally connected with the pivot shaft.
Further, the portable tiltable cutting apparatus further comprises: a display screen 22; the display screen 22 is connected with the field controller 37 to realize field indication.
Further, the rotating tray 12 is provided with a normal laser range finder 7 and a tangential laser range finder 10, which are only displaced in two directions.
Of course, the data line 29 is used for data transmission and the hydraulic line 30 is used for the transmission of hydraulic medium. For the convenience of operation, the handle 38 can be provided to realize fine and convenient operation by cooperating with the gear 39 and the circular arc rotation guide 35.
The box body 1 is provided with a handle 43 which is convenient to move.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the portable tiltable shearing device provided by the embodiment of the application, the angle-accurately-controlled rotary shearing structure is established through the rotary tray, the arc rotating guide rod, the normal loading structure, the tangential loading structure, the protractor scale and the pointer, so that the conditions that the shearing surface of a shearing object has different included angles with the gravity direction are simulated, and the actual stress state of the environment such as a side slope in a real production process is simulated; normal pressure perpendicular to the shear plane can also be applied to further enrich the stress state.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A portable tiltable cutting apparatus, comprising: the device comprises a base, a rotary tray, an arc rotating guide rod, a normal loading structure, a tangential loading structure, a protractor scale and a pointer;
the rotating tray is pivotally connected with the base through a pivot shaft, the first end of the arc rotating guide rod is hinged with the base through a hinge, and the rod body of the arc rotating guide rod is slidably embedded in the rotating tray;
the normal loading structure is fixed on the rotating tray and used for applying normal pressure to a shear sample;
the tangential loading structure is fixed on the rotating tray and is used for applying tangential pressure to a shear sample;
the protractor scale is fixed on the base, the pointer is fixed on the rotary tray, and the rotation center of the pointer and the origin of the protractor scale are both arranged at the position of the pivot shaft and used for measuring the rotation angle of the rotary tray relative to the base.
2. The portable tiltable cutting apparatus as in claim 1, wherein said rotating tray comprises: the tray comprises a tray main body, an upper baffle and a lower baffle;
the tray main body is pivotally connected with the base through the pivot shaft;
the upper baffle plate is fixed on the tray main body in parallel;
the normal loading structure is fixed on the tray main body, and a normal loading head of the normal loading structure is arranged between the upper baffle and the lower baffle;
the tangential loading structure is fixed above the upper baffle plate.
3. The portable tiltable cutting apparatus as in claim 2, wherein said normal loading structure comprises: the device comprises a normal loading bracket, a normal loading rod and a normal loading head;
the normal loading bracket is fixed on the tray main body, the normal loading rod is fixed on the normal loading bracket, and the normal loading head is fixed on the normal loading rod;
the normal loading bar is disposed perpendicular to the tray body.
4. The portable tiltable cutting apparatus as in claim 3, wherein said normal loading structure further comprises: a slider;
the slider is slidably secured to the normal loading bracket and the normal loading lever is secured to the slider.
5. The portable tiltable cutting apparatus as in claim 2, wherein said tangential loading structure comprises: a tangential loading cylinder;
the tangential loading oil cylinder is fixed on the upper baffle.
6. The portable tiltable cutting apparatus as in claim 1, further comprising: a box body;
the base and the rotary tray are fixed in the box body;
the box body is provided with a liquid injection port and a liquid discharge port;
and a heating couple, a temperature sensor and a field controller are arranged in the box body, and the heating couple and the temperature sensor are respectively connected with the field controller.
7. The portable tiltable cutting apparatus according to claim 6, wherein said housing is provided with a transparent window.
8. The portable tiltable cutting apparatus as in claim 6, wherein said case defines a sliding track and a side opening door;
the bottom of the base is provided with a guide wheel which can be placed on the sliding rail in a sliding mode.
9. The portable tiltable cutting apparatus as in claim 6, further comprising: a display screen;
the display screen is connected with the field controller.
10. The portable tiltable cutting apparatus as in claim 1, wherein: and the rotating tray is also provided with a normal laser range finder and a tangential laser range finder.
Priority Applications (1)
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CN202020125290.3U CN211825498U (en) | 2020-01-20 | 2020-01-20 | Portable tiltable shearing device |
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CN202020125290.3U CN211825498U (en) | 2020-01-20 | 2020-01-20 | Portable tiltable shearing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111157365A (en) * | 2020-01-20 | 2020-05-15 | 中国科学院武汉岩土力学研究所 | Portable tiltable shearing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111157365A (en) * | 2020-01-20 | 2020-05-15 | 中国科学院武汉岩土力学研究所 | Portable tiltable shearing device |
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