CN111141622A - Tiltable shearing device - Google Patents
Tiltable shearing device Download PDFInfo
- Publication number
- CN111141622A CN111141622A CN202010062419.5A CN202010062419A CN111141622A CN 111141622 A CN111141622 A CN 111141622A CN 202010062419 A CN202010062419 A CN 202010062419A CN 111141622 A CN111141622 A CN 111141622A
- Authority
- CN
- China
- Prior art keywords
- tray
- normal loading
- base
- normal
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Landscapes
- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of shear tests, and discloses a tiltable shearing device, which comprises: the device comprises a base, a rotary tray, an automatic lifting hydraulic cylinder, a normal loading structure, a tangential loading structure, an angle sensor and a microcomputer control system; the rotary tray is pivotally connected with the base through a pivot shaft, the base of the automatic lifting hydraulic cylinder is hinged with the base through a hinge piece, and the movable end of the automatic lifting hydraulic cylinder is hinged with the rotary tray; the normal loading structure is fixed on the rotary tray; the tangential loading structure is fixed on the rotating tray; the angle sensor is arranged between the base and the rotary tray; and the microcomputer control system is respectively connected with the angle sensor and the control end of the automatic lifting hydraulic cylinder to realize the feedback control of the rotation angle. The tiltable shearing device provided by the invention can realize efficient and reliable shearing test.
Description
Technical Field
The invention relates to the technical field of shear tests, in particular to a tiltable shearing device.
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.
Disclosure of Invention
The invention provides a tiltable shearing device, which solves the technical problem of poor reliability of a shearing test in the prior art.
In order to solve the above technical problem, the present invention provides a tiltable cutting apparatus, comprising: the device comprises a base, a rotary tray, an automatic lifting hydraulic cylinder, a normal loading structure, a tangential loading structure, an angle sensor and a microcomputer control system;
the rotary tray is pivotally connected with the base through a pivot shaft, the base of the automatic lifting hydraulic cylinder is hinged with the base through a hinge, and the movable end of the automatic lifting hydraulic cylinder is hinged with the rotary 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 angle sensor is arranged between the base and the rotating tray and used for measuring the rotating angle of the rotating tray relative to the base;
and the microcomputer control system is respectively connected with the angle sensor and the control end of the automatic lifting hydraulic cylinder to realize the feedback control of the rotation angle.
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 tiltable cutting apparatus further comprises: a display screen;
the display screen is connected with the microcomputer control system.
Furthermore, a normal laser range finder and a tangential laser range finder are further arranged on the rotating tray, and the normal laser range finder and the tangential laser range finder are respectively connected with the microcomputer control system.
Further, the 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 and a temperature sensor are arranged in the box body, and the heating couple and the temperature sensor are respectively connected with the microcomputer control system.
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, and the guide wheel can be placed on the sliding guide rail in a sliding mode.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the tiltable shearing device provided by the embodiment of the application establishes a rotary shearing structure with an angle capable of accurately controlling and adjusting the angle through the rotary tray, the automatic lifting hydraulic cylinder, the normal loading structure, the tangential loading structure, the angle sensor and the microcomputer control system, 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 and the like in a real production channel 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 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 specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1, a tiltable cutting apparatus comprising: a base 13, a rotary tray 12, an automatic lifting hydraulic cylinder 33, a normal loading structure, a tangential loading structure 41, an angle sensor and a microcomputer control system 37.
As will be described in detail below.
The rotary tray 12 is pivotally connected with the base through a pivot shaft 21, the automatic lifting hydraulic cylinder base 31 is hinged with the base 13 through a hinge 32, and the movable end of the automatic lifting hydraulic cylinder 33, namely the end of a piston rod, is hinged with the rotary tray 12; therefore, the rotating tray 12 can be pushed to rotate by the automatic lifting hydraulic cylinder 33, so that the shearing surface between the upper shearing sample 26 and the lower shearing sample 25, namely the included angle between 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 angle sensor is arranged between the base 13 and the rotating tray 12 and used for measuring the rotating angle of the rotating tray 12 relative to the base 13; the rotation angle can be monitored accurately when the test is carried out. The microcomputer control system 37 is connected with the angle sensor and the control end of the automatic lifting hydraulic cylinder 33 respectively to realize the feedback control of the rotation angle.
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.
For ease of instruction, the tiltable cutting apparatus further comprises: a display screen 22; the display screen 22 is connected to the microcomputer control system 37.
Further, a normal laser range finder 7 and a tangential laser range finder 10 are further arranged on the rotating tray 12, and the normal laser range finder 7 and the tangential laser range finder 10 are respectively connected with the microcomputer control system 37. Thus, the moving positions of the upper shear specimen 25 in the normal direction and the tangential direction during shearing can be grasped in real time.
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.
A heating couple 3 and a temperature sensor 4 are arranged in the box body 1, and the heating couple 3 and the temperature sensor 4 are respectively connected with the microcomputer control system 37, so that 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 guide rail 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.
Of course, the data line 29 is used for data transmission and the hydraulic line 30 is used for the transmission of hydraulic medium.
Meanwhile, in order to facilitate manual operation, the device also comprises an arc rotating guide rod 35; a first end of the arc rotating guide rod 35 is hinged to 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; thereby can realize the spacing angular adjustment in both ends.
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.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the tiltable shearing device provided by the embodiment of the application establishes a rotary shearing structure with an angle capable of accurately controlling and adjusting the angle through the rotary tray, the automatic lifting hydraulic cylinder, the normal loading structure, the tangential loading structure, the angle sensor and the microcomputer control system, 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 and the like in a real production channel 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 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 examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A tiltable cutting apparatus, comprising: the device comprises a base, a rotary tray, an automatic lifting hydraulic cylinder, a normal loading structure, a tangential loading structure, an angle sensor and a microcomputer control system;
the rotary tray is pivotally connected with the base through a pivot shaft, the base of the automatic lifting hydraulic cylinder is hinged with the base through a hinge, and the movable end of the automatic lifting hydraulic cylinder is hinged with the rotary 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 angle sensor is arranged between the base and the rotating tray and used for measuring the rotating angle of the rotating tray relative to the base;
and the microcomputer control system is respectively connected with the angle sensor and the control end of the automatic lifting hydraulic cylinder to realize the feedback control of the rotation angle.
2. The tiltable cutting apparatus of 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 tiltable shearing 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 tiltable shearing 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 tiltable shearing 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 tiltable cutting apparatus of claim 1, wherein said tiltable cutting apparatus further comprises: a display screen;
the display screen is connected with the microcomputer control system.
7. The tiltable cutting apparatus of claim 1, wherein: and the rotating tray is also provided with a normal laser range finder and a tangential laser range finder, and the normal laser range finder and the tangential laser range finder are respectively connected with the microcomputer control system.
8. The tiltable cutting apparatus of claim 1, wherein said 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 and a temperature sensor are arranged in the box body, and the heating couple and the temperature sensor are respectively connected with the microcomputer control system.
9. The tiltable cutting apparatus of claim 8, wherein said housing is provided with a transparent window.
10. The inclinable shearing device of claim 1, wherein the box body is internally provided with a sliding track and a side door;
the bottom of the base is provided with a guide wheel, and the guide wheel can be placed on the sliding guide rail in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062419.5A CN111141622A (en) | 2020-01-19 | 2020-01-19 | Tiltable shearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062419.5A CN111141622A (en) | 2020-01-19 | 2020-01-19 | Tiltable shearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111141622A true CN111141622A (en) | 2020-05-12 |
Family
ID=70527124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010062419.5A Pending CN111141622A (en) | 2020-01-19 | 2020-01-19 | Tiltable shearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111141622A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067476A (en) * | 2020-08-18 | 2020-12-11 | 同济大学 | Inclined plane unidirectional loading rut test device |
| CN112748023A (en) * | 2020-12-29 | 2021-05-04 | 广西科技大学 | Geosynthetic material temperature control oblique shear test device and test method |
| CN114414401A (en) * | 2021-12-16 | 2022-04-29 | 中国电建集团华东勘测设计研究院有限公司 | Large-scale shearing instrument for regneration test of residual strength of slip-band soil and application |
-
2020
- 2020-01-19 CN CN202010062419.5A patent/CN111141622A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067476A (en) * | 2020-08-18 | 2020-12-11 | 同济大学 | Inclined plane unidirectional loading rut test device |
| CN112067476B (en) * | 2020-08-18 | 2021-07-02 | 同济大学 | Inclined plane unidirectional loading rut test device |
| CN112748023A (en) * | 2020-12-29 | 2021-05-04 | 广西科技大学 | Geosynthetic material temperature control oblique shear test device and test method |
| CN112748023B (en) * | 2020-12-29 | 2023-10-31 | 广西科技大学 | Geosynthetic material temperature control oblique shear test device and test method |
| CN114414401A (en) * | 2021-12-16 | 2022-04-29 | 中国电建集团华东勘测设计研究院有限公司 | Large-scale shearing instrument for regneration test of residual strength of slip-band soil and application |
| CN114414401B (en) * | 2021-12-16 | 2024-02-06 | 中国电建集团华东勘测设计研究院有限公司 | Large shearing instrument for slide belt soil residual strength regeneration test and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111141622A (en) | Tiltable shearing device | |
| CN103207120B (en) | Test device and test method for asphalt rotational shear creep and repeated creep recovery | |
| CN102944512A (en) | Test machine and test method for real-time and dynamic observation of end surface torsion friction and abrasion of friction interface | |
| CN211825497U (en) | Tiltable shearing device | |
| RU2554289C2 (en) | Machine determining rutting of asphalt-concrete pavements by rolling of loaded wheel (versions) | |
| CN110987663B (en) | Constant-rigidity cyclic shear apparatus capable of controlling interface humidity, monitoring system and method | |
| CN211825498U (en) | Portable tiltable shearing device | |
| CN111157365B (en) | Portable tiltable shearing device | |
| CN108489838A (en) | Contact surface in-situ observation frictional wear experiment platform | |
| CN201397283Y (en) | Construction site concrete rheology behavior dynamic inspection device | |
| CN211697305U (en) | But angle regulation's geomembrane shear test device | |
| CN211825380U (en) | Portable start angle measuring device | |
| CN104006958B (en) | A kind of car door limiter Work condition analogue device and performance detection apparatus | |
| CN105890947A (en) | Device and method for preparation of soil body for site soil body direct shear test and direct shear test | |
| CN211825379U (en) | Sliding starting angle measuring device | |
| CN111122305A (en) | Sliding starting angle measuring device | |
| CN111141594B (en) | Portable starting angle measuring device | |
| CN109991164B (en) | Coating bonding force double-lever measuring device and measuring method thereof | |
| US3187552A (en) | Slip meter apparatus and method for measuring frictional properties of materials | |
| CN103487184B (en) | Torque detecting device of large-torque electric actuating mechanism | |
| US4522074A (en) | Apparatus for measuring several force components | |
| CN103822743B (en) | A kind of electronic proving installation for city railway vehicle sliding plug door mechanism | |
| RU2745536C1 (en) | Installation for determining rheological characteristics of road-building materials | |
| CN210863397U (en) | Hydraulic full-automatic point load tester | |
| CN204066525U (en) | Dynamic wide-angle static friction tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |