CN206638186U - The basic internal friction angle measurement apparatus of rock interface - Google Patents
The basic internal friction angle measurement apparatus of rock interface Download PDFInfo
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- CN206638186U CN206638186U CN201720400349.3U CN201720400349U CN206638186U CN 206638186 U CN206638186 U CN 206638186U CN 201720400349 U CN201720400349 U CN 201720400349U CN 206638186 U CN206638186 U CN 206638186U
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- operating desk
- engaged
- switch
- rock
- measurement apparatus
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Abstract
A kind of basic internal friction angle measurement apparatus of rock interface, including cabinet, operating desk side with groove is hinged with cabinet, operating desk opposite side is engaged with the lifting body in cabinet, the folder model side being engaged with rock sample to be measured in groove is connected by spring with groove inner wall, and baffle plate setting is engaged on operating desk and with rock sample to be measured；The bottom plate of operating desk is provided with strip reflector plate, and the top surface of operating desk is provided with the light source point being engaged with strip reflector plate, and baffle plate top is provided with sensitive film, and the scalable light source bar being engaged with light sensation piece is provided with operating desk.The basic internal friction angle measurement apparatus of rock interface provided by the utility model, can solve the problems, such as that dynamometer error is big, realize simplicity indoors and accurately obtain rock interface or structural plane basal farmland dependency.
Description
Technical field
Rock mechanics experiment equipment technical field is the utility model is related to, especially a kind of basic internal friction angle of rock interface
Measurement apparatus.
Background technology
The mechanics parameter of angle of friction is all the time in the field such as rock mechanics and engineering technology, between rock mass discontinuity
It is the perpetual object of researchers.
At present, the acquisition for rock mass surface and structural plane basal farmland dependency mainly has two methods, and one kind is directly will
The smooth rock of two pieces of approximations is simply lifted with hand does inclining experiment, and then range estimation substantially draws basal farmland dependency, generally
Its resultant error is larger not accurate enough.Another method is that rock sample is placed in standard water plane, first measures the quality of rock sample,
Rock sample is pulled using tensiometer is horizontal, pulling force now, pulling force and the ratio of rock sample quality are recorded when rock sample starts to move
Anyway corner cut is the basal farmland dependency of rock interface.Generally, make rock sample start slide when horizontal pull be an instantaneous mistake
Journey, the horizontal pull error measured according to dynamometer is larger, so as to cause the basic internal friction angle measurement of rock interface inaccurate.
And the mechanics that the basic internal friction angle of rock interface is generally researcher and engineers and technicians to be paid close attention to very much
Parameter.Therefore, how can be easy and the basic internal friction angle parameter of rock interface be accurately obtained, it has also become people in the art
Member's urgent problem to be solved.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of basic internal friction angle measurement apparatus of rock interface, can
To solve the problems, such as that dynamometer error is big, realize that easy indoors and accurately acquisition rock interface or structural plane rub substantially
Angle.
In order to solve the above technical problems, technical scheme is used by the utility model：Rubbed in a kind of rock interface is basic
Angle measuring device is wiped, including cabinet, operating desk side with groove are hinged with cabinet, operating desk opposite side and the jacking in cabinet
Mechanism is engaged, and the folder model side being engaged with rock sample to be measured in groove is connected by spring with groove inner wall, and baffle plate is set
It is placed on operating desk and is engaged with rock sample to be measured；
The bottom plate of operating desk is provided with strip reflector plate, and the top surface of operating desk is provided with the light source being engaged with strip reflector plate
Point, sensitive film is provided with baffle plate, the scalable light source bar being engaged with light sensation piece is installed on operating desk；
Controlling organization is installed, controlling organization is connected with lifting body, light source bar, sensitive film respectively in cabinet.
In lifting body, hydraulic elevator is connected to form hydraulic circuit by oil inlet pipe and oil return pipe with controlling organization, liquid
The top of the elevating lever of lift is pressed to be connected by crossing roller bearing with operating desk.
In controlling organization, selecting switch one end is connected with power switch and power supply, is formed between sensitive film and light source bar
Light-operated switch electrically connected with the oil-feed circuit controls component of hydraulic elevator after electrically connected with starting switch, CPU opens with test
Powered-down connection, oil return circuit control assembly are electrically connected with switch of retracting, and the selecting switch other end is opened with starting switch, test respectively
Close and retraction switch is engaged.
Baffle plate is made up of first baffle and the second baffle straggly for being connected to first baffle top, and sensitive film is arranged at first
The top of baffle plate.
The basic internal friction angle measurement apparatus of rock interface provided by the utility model, operation is jacked up by lifting body upwards
Platform is grasped, after tilting to certain angle, rock sample top half will forward slip, cover optical signal, lifting body stops, then controls
CPU starts, and starts to measure, and after being measured, operation lifting body causes lifting body to retract, and it is big can to solve dynamometer error
The problem of, realize easy indoors and accurately acquisition rock interface or structural plane basal farmland dependency, operating process are simple.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is front view of the present utility model；
Fig. 3 is top view of the present utility model；
Fig. 4 is the schematic diagram of the utility model lifting body；
Fig. 5 is the utility model cabinet outer surface schematic diagram；
Fig. 6 is the top view of the utility model baffle plate；
Fig. 7 is the circuit diagram of the utility model controlling organization part；
Fig. 8 is the working condition signal that the utility model device is used to calculate rock interface or structural plane basal farmland dependency
Figure.
Embodiment
As shown in figs. 1-7, the basic internal friction angle measurement apparatus of a kind of rock interface, including cabinet 1, the operation with groove 5
The side of platform 2 and cabinet 1 are be hinged, and the opposite side of operating desk 2 is engaged with the lifting body in cabinet 1, in groove 5 with rock sample to be measured
The side of folder model 3 being engaged is connected by spring 6 with the inwall of groove 5, baffle plate setting on operating desk 2 and with rock sample phase to be measured
Coordinate；
The bottom plate of operating desk 2 is provided with strip reflector plate 16, and the top surface of operating desk 2 is provided with to be engaged with strip reflector plate 16
Light source point 17, be provided with sensitive film 9 on baffle plate, the scalable light source bar 8 being engaged with light sensation piece 9 be installed on operating desk 2；
Controlling organization 13 is installed, controlling organization 13 is connected with lifting body, light source bar 8, sensitive film 9 respectively in cabinet 1.
Strip reflector plate 16 ensure that the optical signal that light source point 17 is launched on cabinet 1 can be all reflected back in any height
Come, the time that control device 13 is reflected by optical signal can calculate the height of the rise of operating desk 2.
In lifting body, hydraulic elevator 10 is connected to form hydraulic pressure by oil inlet pipe 11 and oil return pipe 12 with controlling organization 13
Loop, the top of the elevating lever 14 of hydraulic elevator 10 are connected by crossing roller bearing 15 with operating desk 2.
Because elevating lever 14 is in lifting process, top and the meeting relative sliding contact of operating desk 2 of elevating lever 14, in order to drop
Low phase is further provided with roller bearing 15 to the frictional resistance in sliding process on the top of lifting column 14.
Hydraulic elevator 10 lifts nested structure using three-level, offers mounting hole 23 on cabinet 1, elevating lever 14 passes through installation
Hole 23 is withstood on operating desk 2.
In controlling organization 13, the one end of selecting switch 25 is connected with power switch 18 and power supply, sensitive film 9 and light source bar 8
Between the light-operated switch 26 that is formed electrically connected with the oil-feed circuit controls component 27 of hydraulic elevator 10 after with the electricity of starting switch 19
Connection, CPU28 electrically connect with test switch 20, and oil return circuit control assembly 29 electrically connects with switch 21 of retracting, selecting switch 25
The other end is engaged with starting switch 19, test switch 20 and switch 21 of retracting respectively.
Fuel feeding will be started after light sensation piece 9 receives the optical signal of light source bar 8, by fuel cut-off and guarantor after optical signal disconnection
It is constant to hold pressure, closure is retracted after switch 21, and oil return pipe 12 just starts oil return.
Baffle plate is made up of first baffle 4a and the second baffle 4b straggly for being connected to first baffle 4a tops, and sensitive film 9 is set
It is placed in first baffle 4a top.
The measure equation data of angle of friction are provided with CPU28, and are connected with display screen 22, result of calculation can be in display screen
Shown on 22.
Operating desk 2 is hinged along axis 24 with cabinet and rotated.
Oil-feed circuit controls component 27, oil return circuit control assembly 29 and CPU are component commonly used in the prior art.
As shown in figure 8, the course of work of the present utility model is as follows：
1st, the rock sample for including structural plane, square rock sample of the rock sample size between 100-150 millimeters, in controlling organization are prepared
The distance that horizontal range L arrives axis 24 as light source point 17 is set in 13.
2nd, in test, first the utility model is positioned in horizontal table top, then by the lower wall 7a of sample and upper disk 7b
Close alignment is placed on operating desk 2, and lower wall 7a is leaned against on baffle plate 4a between two parties, is clamped sample lower wall 7a with folder model 3, and examine
Survey and check sample lower wall 7a and upper disk 7b degree of registration.
3rd, closure test switch 20 before test, closes power switch 18, resets the reading on display screen 22, and closure startup is opened
19 are closed, now light sensation piece 9 receives the optical signal of the transmitting of light source bar 8, and hydraulic elevator 10 forms closed-loop path, and elevating lever 14 will
Operating desk 2 can be jacked up, after operating desk 2 tilts to certain angle.On rock sample disk 7b will forward slip, shelter from light source letter
Number, light-operated switch 29 disconnects, and now elevating lever 14 will not rise again.
4th, closure test switch 20, light source point 17 receive optical signal again by optical signal is launched by strip reflector plate 16
The time of optical signal is received according to light source point 17 can calculate operating desk lifting height H, because horizontal range L has initially been set
It is fixed, the inclined angle alpha of operating desk 2 then can be calculated according to triangle tangent value, as needs the rock sample structural plane friction measured
Angle,
Calculation formula is：α=arctan (H/L)；
The α number of degrees now will be shown on display screen 22, record.
5th, closure, which is retracted, after recording switchs 21, and elevating lever will retract, and complete test.
Claims (4)
1. a kind of basic internal friction angle measurement apparatus of rock interface, including cabinet（1）, it is characterised in that：Band groove（5）Operation
Platform（2）Side and cabinet（1）It is be hinged, operating desk（2）Opposite side and cabinet（1）Interior lifting body is engaged, groove（5）Interior
The folder model being engaged with rock sample to be measured（3）Side passes through spring（6）With groove（5）Inwall connects, and baffle plate setting is in operating desk
（2）Above and with rock sample to be measured it is engaged；
Operating desk（2）Bottom plate be provided with strip reflector plate（16）, operating desk（2）Top surface be provided with and strip reflector plate（16）Phase
The light source point of cooperation（17）, sensitive film is provided with baffle plate（9）, operating desk（2）On be provided with and sensitive film（9）What is be engaged can
Flexible light source bar（8）；
Cabinet（1）Controlling organization is inside installed（13）.
2. the basic internal friction angle measurement apparatus of rock interface according to claim 1, it is characterised in that：In lifting body,
Hydraulic elevator（10）Pass through oil inlet pipe (11) and oil return pipe (12) and controlling organization（13）Connection forms hydraulic circuit.
3. the basic internal friction angle measurement apparatus of rock interface according to claim 2, it is characterised in that：Controlling organization（13）
In, selecting switch（25）One end and power switch（18）And power supply connection, sensitive film（9）With light source bar（8）Between formed
Light-operated switch（26）With hydraulic elevator（10）Oil-feed circuit controls component（27）After electrical connection with starting switch（19）It is electrically connected
Connect, CPU（28）Switched with test（20）Electrical connection, oil return circuit control assembly（29）Switched with retracting（21）Electrical connection, selection
Switch（25）The other end respectively with starting switch（19）, test switch（20）And switch of retracting（21）It is engaged.
4. the basic internal friction angle measurement apparatus of rock interface according to claim 1, it is characterised in that：Baffle plate is by first gear
Plate（4a）First baffle is connected to straggly（4a）The second baffle on top（4b）Composition, sensitive film（9）It is arranged at first baffle
（4a）Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400349.3U CN206638186U (en) | 2017-04-17 | 2017-04-17 | The basic internal friction angle measurement apparatus of rock interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400349.3U CN206638186U (en) | 2017-04-17 | 2017-04-17 | The basic internal friction angle measurement apparatus of rock interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638186U true CN206638186U (en) | 2017-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720400349.3U Expired - Fee Related CN206638186U (en) | 2017-04-17 | 2017-04-17 | The basic internal friction angle measurement apparatus of rock interface |
Country Status (1)
| Country | Link |
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| CN (1) | CN206638186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931913A (en) * | 2017-04-17 | 2017-07-07 | 三峡大学 | The basic internal friction angle measurement apparatus of rock interface |
| CN108844495A (en) * | 2018-06-20 | 2018-11-20 | 东北大学 | A kind of device automatically determining the granular media angle of external friction and measuring method |
| CN109900564A (en) * | 2019-03-25 | 2019-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Inter-laminar dislocation band of growing up friction angle measuring method |
-
2017
- 2017-04-17 CN CN201720400349.3U patent/CN206638186U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931913A (en) * | 2017-04-17 | 2017-07-07 | 三峡大学 | The basic internal friction angle measurement apparatus of rock interface |
| CN108844495A (en) * | 2018-06-20 | 2018-11-20 | 东北大学 | A kind of device automatically determining the granular media angle of external friction and measuring method |
| CN108844495B (en) * | 2018-06-20 | 2019-06-21 | 东北大学 | A kind of device automatically determining the granular media angle of external friction and measuring method |
| CN109900564A (en) * | 2019-03-25 | 2019-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Inter-laminar dislocation band of growing up friction angle measuring method |
| CN109900564B (en) * | 2019-03-25 | 2021-09-28 | 中国电建集团华东勘测设计研究院有限公司 | Method for measuring friction angle of large interlaminar dislocation belt |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20200417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |