CN208109569U - Hole wall rock mass mechanics parameter tests single-point load apparatus - Google Patents
Hole wall rock mass mechanics parameter tests single-point load apparatus Download PDFInfo
- Publication number
- CN208109569U CN208109569U CN201820605952.XU CN201820605952U CN208109569U CN 208109569 U CN208109569 U CN 208109569U CN 201820605952 U CN201820605952 U CN 201820605952U CN 208109569 U CN208109569 U CN 208109569U
- Authority
- CN
- China
- Prior art keywords
- point load
- conehead
- load apparatus
- rock mass
- feeler inspection
- 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.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of hole wall rock mass mechanics parameters to test single-point load apparatus, the device includes single-point load apparatus, video acquisition unit, displacement measurement unit, feeler inspection conehead and bearing base, the single-point load apparatus, top is equipped with a cavity, lower part is equipped with a pressure chamber, the bottom of the feeler inspection conehead is extend into the pressure chamber after passing through the cavity, the side of the single-point load apparatus is also successively arranged electrical wire interface, push rod interface and oil circuit interface, the electrical wire interface is connected with external controller, the push rod interface is connected with external power propulsion system, the oil circuit interface is connected with external hydraulic loading system.The utility model is lightly nimble, and test process is simple and easy, not only can flexibly choose test position, but also can intuitively, accurately obtain the physical and mechanical parameter of rock mass, preferably reacts the mechanical characteristic of rock mass.
Description
Technical field
The utility model relates to be suitable for drilling protolith load test technical field more particularly to a kind of hole wall rock mass mechanics
Parameter testing single-point load apparatus.
Background technique
The supporting of chamber, tunnel is related to for mine and geotechnical engineering, and the mechanics parameter of country rock is that engineering is instructed to set
Meter and construction guarantee that supporting design scheme reaches the key of stability requirement, play the role of for safety in production vital.
For rock mass, the coal body etc. at concrete engineering scene, the common method that basic physical and mechanical parameters obtain is to pass through
Laboratory experiment.As the cohesive force and angle of friction of rock mass can be obtained by the methods of triaxial tests；Poisson's ratio, the elasticity of rock mass
Modulus the methods of can test to obtain etc. by uniaxial compression.Laboratory experiment is carried out, first has to obtain rock from engineering site
Stone or coal cinder, the then processing Jing Guo series of steps form standard specimen.The property of rock or coal cinder can in process
It can be affected, the test specimen being processed into often is extremely difficult to corresponding standard；And stress locating for the standard specimen being processed into
State and its virgin state of stress have biggish gap, and the data that these all can cause laboratory experiment to measure are not accurate enough, for
Instruct site operation that there is limitation.
Therefore, rock mass is obtained by live in-situ test or coal body basic physical and mechanical parameters starts to attract attention.At present
There are the device and method of in-situ test to the tensile strength, cohesive strength, internal friction angle of rock mass, coal body etc., but these devices
Testing environment has certain applicability, and for the underground engineerings such as coal mining, engineering site environmental condition is poor, empty
Between than narrow, therefore it is more difficult to operate.
In some underground engineerings such as coal mining, drilling is many construction site operations to be carried out in the earth formation, is led to
Drilling is crossed to analyze formation lithology, the thickness of every kind of rock stratum, the information such as strata deformation.Therefore in-situ test is carried out in drilling is
A kind of effective method finds that structure is complicated, test process is cumbersome and test essence for site test device at present by investigation
It spends poor.
Utility model content
The technical issues of in order to solve in the presence of the prior art, the utility model provide a kind of light and handy nimble, test letter
Single easy, test position chooses hole wall rock mass mechanics parameter flexible and with high accuracy and tests single-point load apparatus.
To solve the above problems, the technical scheme adopted by the utility model is that：
A kind of hole wall rock mass mechanics parameter test single-point load apparatus comprising single-point load apparatus, video acquisition unit, displacement
Measuring unit, feeler inspection conehead and bearing base,
Single-point load apparatus top is equipped with a cavity, and lower part is equipped with a pressure chamber, and the bottom of feeler inspection conehead passes through cavity
After extend into pressure chamber, be also successively arranged electrical wire interface, push rod interface and oil circuit interface, electric wire in the side of single-point load apparatus
Interface is connected with external controller, and push rod interface is connected with external power propulsion system, oil circuit interface and outside
Hydraulic loading system is connected, and hydraulic loading system is connected with external controller,
The bearing base, is fixed on the bottom of single-point load apparatus, and bearing base is equipped with an oil pocket, oil pocket respectively with pressure
Power room is connected with oil circuit interface；
The displacement measurement unit, is fixed on the side wall of cavity, and displacement measurement unit is for detecting the feeler inspection conehead
Moving distance；
The video acquisition unit is arranged on the exterior circumferential direction of displacement measurement unit, and through electrical wire interface and control
Device processed is connected, and video acquisition unit is used to acquire the stress state of borehole wall.
Further, the displacement measurement unit includes displacement sensor and measurement lead, and measurement lead includes linkage section
And measuring section, one end of linkage section are connected by displacement sensor with measuring section, the other end is examined through leading block and displacement
It surveys instrument to be connected, measuring section is parallel with the axis of feeler inspection conehead, the other end of measuring section and the fixed company of the side wall of feeler inspection conehead
It connects.
Further, the video acquisition unit includes camera and light compensating lamp, and camera and light compensating lamp are and controller
It is connected, wherein the camera is symmetricly set on the two sides of feeler inspection conehead, and the light compensating lamp is evenly distributed in is bored with feeler inspection
The axis of head is on the same circumference in the center of circle.
Further, it is additionally provided with sealing ring between the pressure chamber and the feeler inspection conehead, is also set on hydraulic loading system
There is electronic manometer, electronic manometer is connected with controller.
Further, it is aobvious that pressure display screen, video display screen and load control switch, pressure are additionally provided on the controller
Display screen is for showing that stress-strain diagram, stress-strain diagram are become by the pressure change of feeler inspection conehead and the numerical value of displacement sensor
It is generated after changing via controller processing, the video display screen is used to show the hole wall stress state of drilling to be measured, the load control
System switch is also connected with hydraulic loading system.
Further, the bottom outer face curvature of the bearing base is corresponding with the curvature for surveying drilling, and described holds
Pressing central angle corresponding to the bottom outer surface circular arc of pedestal is 120 °.
Further：The feeler inspection conehead is billiard table shape, is exactly that plane is cut at the top of hemisphere.
The application method of the utility model comprising following steps：
Single-point load apparatus is sent in drilling at position to be measured by the first step；It specifically includes：
The video acquisition unit and video display screen are opened, single-point load apparatus is sent to by brill by power propulsion system
In hole, by observing the video display screen, which is pushed at the position to be measured of drilling, then power propulsion system stops
Stop is made.
Second step, displacement correction are reset；It specifically includes：
Hydraulic loading system drives feeler inspection conehead mobile, in conjunction with the video pictures and state display of the video display screen
On stress-strain diagram, when the hole wall of feeler inspection conehead and bearing base and the drilling contacts, displacement correction is reset.
Third step starts to load, and records line pressure shift data and video data acquiring, and comprehensive observing analyzes line pressure shift number
According to and video pictures, when feeler inspection conehead by the hole wall pressure break of drilling or arrived load the upper limit when or when having reached required state,
Stop load；
4th step, the acquisition for stopping line pressure shift data and video data withdraw feeler inspection conehead；
Derived line pressure shift data are obtained stress-strain diagram and other physical and mechanical parameters through processing by the 5th step；
6th step repeats above-mentioned one to five step, carries out the measurement of next measuring point.
The beneficial effects of the utility model are：
1, the utility model passes through single-point load apparatus, video acquisition unit, displacement measurement unit, feeler inspection conehead, pressure-bearing bottom
The all parts such as seat and controller are mutual to be used cooperatively, and keeps present apparatus test light and handy nimble, and test process is simple and easy,
It not only can flexibly choose test position, but also can intuitively, accurately obtain the physical and mechanical parameter of rock mass, preferably react
The mechanical characteristic of rock mass.
2, the bearing base curvature of the utility model is consistent with drilling curvature is surveyed, so that contact of the bearing base with hole wall
It is more bonded, stress is avoided to concentrate.
3, the feeler inspection conehead of the utility model is designed to hemisphere mesa-shaped, during loading, both can be effective
It is contacted with palisades, and is capable of increasing stress suffered by rock mass, be allowed to be more prone to produce destruction；Feeler inspection conehead to country rock into
It is stretched out when row load, after-contraction is completed in load, and device is protected feeler inspection conehead by protective cover, effectively in progradation
Prevent in load or progradation causes pressure head to damage because feeler inspection conehead collides with palisades protrusion, plays a protective role.Together
When, by being symmetricly set on the camera of feeler inspection conehead two sides, can in real-time monitoring loading procedure rock mass failure mode, to grind
The failure evolvement for studying carefully engineering site rock mass provides visualization reference.
4, the utility model is loaded the displacement and payload data of rock mass by record in real time, further to acquire engineering rock
The mechanics parameter of body provides guarantee.Therefore existing rank can be met by the engineering rock mass bar mechanics parameter testing device of the utility model
The needs of section drilling situ measurement study.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model device；
Fig. 2 is the top view of utility model device；
Fig. 3 is the schematic cross-section at the I of Fig. 1；
Fig. 4 is the attachment structure schematic diagram of the utility model electronic manometer and hydraulic loading system；
Fig. 5 is the structural schematic diagram of utility model device controller；
Fig. 6 is the flow chart of utility model device test method.
In figure：1- single-point load apparatus, 11- cavity, the pressure chamber 12-, 13- electrical wire interface, 14- push rod interface, 15- oil circuit connect
Mouthful；2- video acquisition unit, 21- camera, 22- light compensating lamp；3- displacement measurement unit, 31- displacement sensor, 32- linkage section,
33- measuring section, 34- leading block；4- feeler inspection conehead；5- bearing base, 51- oil pocket；6- controller, 61- pressure display screen,
62- video display screen, 63- load control switch；64- protective cover；65- sliding block；66- guide rail；67- driver；7- hydraulic loaded
System, 8- sealing ring, 9- electronic manometer.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing.
As shown in Figure 1-3, a kind of hole wall rock mass mechanics parameter of the utility model tests single-point load apparatus comprising single-point
Load apparatus 1, video acquisition unit 2, displacement measurement unit 3, feeler inspection conehead 4 and bearing base 5,
The single-point load apparatus 1, top are equipped with a cavity 11, and lower part is equipped with a pressure chamber 12, the bottom of feeler inspection conehead 4
It is extend into after cavity 11 in pressure chamber 12, the side of single-point load apparatus 1 is also successively arranged electrical wire interface 13, push rod interface 14
With oil circuit interface 15, electrical wire interface 13 is connected with external controller 6, push rod interface 14 and external power propulsion system
(not shown) is connected, and oil circuit interface 15 is connected with external hydraulic loading system 7；The feeler inspection conehead of the utility model
4 Front-end Designs are at hemisphere mesa-shaped, during loading, not only can effectively be contacted with palisades, but also are capable of increasing rock mass institute
The stress received is allowed to be more prone to produce destruction；Feeler inspection conehead 4 has scalability, the stretching when loading to country rock, load
Complete after-contraction.
The bearing base 5, is fixed on the bottom of single-point load apparatus 1, and bearing base 5 is equipped with an oil pocket 51, oil pocket
51 are connected with pressure chamber 12 and oil circuit interface 15 respectively；Hydraulic power is provided by hydraulic loading system 7, through oil circuit interface 15
It is transferred in pressure chamber 12 with after oil pocket 51, to drive feeler inspection conehead 5 mobile and be loaded to the hole wall of drilling.
The displacement measurement unit 3, is fixed on the side wall of cavity 11, and displacement measurement unit 3 is for detecting feeler inspection cone
First 4 moving distance；
The video acquisition unit 2, is arranged on the exterior circumferential direction of displacement measurement unit 3, and through electrical wire interface
13 are connected with controller 6, and video acquisition unit 2 is used to acquire the stress state of borehole wall；
Wherein, controller 6 is also connected with hydraulic loading system 7.
The utility model passes through single-point load apparatus 1, video acquisition unit 2, displacement measurement unit 3, feeler inspection conehead 4, pressure-bearing
The all parts such as pedestal 5 and controller 6 are mutual to be used cooperatively, and keeps present apparatus test light and handy nimble, test process is simple
It is easy, test position not only can be flexibly chosen, but also can intuitively, accurately obtain the physical and mechanical parameter of rock mass, more preferably
The mechanical characteristic of ground reaction rock mass.
Specifically, displacement measurement unit 3 includes displacement sensor 31 and measurement lead, and measurement lead includes 32 He of linkage section
One end of measuring section 33, linkage section 32 is connected by displacement sensor 31 with measuring section 33, and the other end is through leading block 34
Be connected with displacement detecting instrument, measuring section 33 is parallel with the axis of feeler inspection conehead 4, and the other end of measuring section 33 also with feeler inspection
The side wall of conehead 4 is fixedly connected.Therefore, the moving distance of feeler inspection conehead 4 and the moving distance of measuring section 33 are identical, are passed through
The moving distance of detection measuring section 33 can obtain the displacement of feeler inspection conehead 4, and accuracy of measurement is high, by external interference factor
It is less.
Specifically, video acquisition unit 2 includes camera 21 and light compensating lamp 22, camera 21 and light compensating lamp 22 with control
Device 6 is connected, wherein camera 21 is symmetricly set on the two sides of feeler inspection conehead 4, can observe feeler inspection conehead 4 simultaneously in this way
Two sides stress state, light compensating lamp 22 are evenly distributed in using the axis of feeler inspection conehead 4 as on the same circumference in the center of circle, in this way can be right
The peripheral side of feeler inspection conehead 4 carries out uniform light filling, improves the clarity that camera 21 acquires video.
In order to improve leakproofness, sealing ring 8 is additionally provided between pressure chamber 12 and feeler inspection conehead 4.
As shown in fig.4, being additionally provided with electronic manometer 9 on hydraulic loading system 7, electronic manometer 9 is connected with controller 6
It connects.Electronic manometer 9 can be with the size of real-time display oil pressure, and can record and export data, and electronic manometer 9 acquires number
According to frequency and displacement sensor 31 acquire data frequency it is consistent, to ensure that the one a pair of of pressure value and shift value
It answers；The pressure that the controller 6 of the utility model can convert feeler inspection conehead 4 for the oil pressure size that electronic manometer 9 measures is big
It is small, to facilitate the processing and analysis of follow-up data.
As shown in fig.5, pressure display screen 61, video display screen 62 and load control switch 63 are additionally provided on controller 6,
Pressure display screen 61 for showing stress-strain diagram, stress-strain diagram by feeler inspection conehead 4 pressure change and displacement sensing
The numerical value change via controller 6 of device 31 generates after handling, and video display screen 62 is used to show the hole wall stress state of drilling to be measured,
Load control switch 63 is also connected with hydraulic loading system 7, for controlling the load of hydraulic loading system 7.
In the utility model, more it is bonded to contact bearing base 5 with the hole wall of drilling, avoids stress from concentrating, hold
Press the bottom outer face curvature of pedestal 5 corresponding with the curvature for surveying drilling, it is preferable that the bottom outer surface circle of bearing base 5
Central angle corresponding to arc is 120 °.
As shown in fig.6, the application method of the utility model hole wall rock mass mechanics parameter test single-point load apparatus comprising
Following steps：
Single-point load apparatus is sent in drilling at position to be measured by the first step；Specifically, video acquisition unit and view are opened
Frequency display screen 62, single-point load apparatus is sent in drilling by power propulsion system, by observing video display screen 62, by the device
It is pushed at the position to be measured of drilling, then power propulsion system stopping acts.
Second step, displacement correction are reset；Specifically, hydraulic loading system 7 drives feeler inspection conehead 4 mobile, aobvious in conjunction with video
Stress-strain diagram on the video pictures and state display of display screen 62, when the hole of feeler inspection conehead 4 and bearing base 5 and drilling
Displacement correction is reset when wall contacts.
Third step starts to load, and records line pressure shift data and video data acquiring, and comprehensive observing analyzes line pressure shift number
According to and video pictures, when feeler inspection conehead 4 by the hole wall pressure break of drilling or arrived load the upper limit when or when having reached required state,
Stop load；
4th step, the acquisition for stopping line pressure shift data and video data withdraw feeler inspection conehead 4；
Derived line pressure shift data are obtained stress-strain diagram and other physical and mechanical parameters through processing by the 5th step；
6th step repeats above-mentioned one to five step, carries out the measurement of next measuring point.
More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto,
Any change or replacement expected without creative work, should be covered within the scope of the utility model.Therefore,
The protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of hole wall rock mass mechanics parameter tests single-point load apparatus, which is characterized in that it includes single-point load apparatus, video acquisition
Unit, displacement measurement unit, feeler inspection conehead and bearing base,
Single-point load apparatus top is equipped with a cavity, and lower part is equipped with a pressure chamber, and the bottom of feeler inspection conehead is extended back across cavity
Enter into pressure chamber, is also successively arranged electrical wire interface, push rod interface and oil circuit interface, electrical wire interface in the side of single-point load apparatus
It is connected with external controller, push rod interface is connected with external power propulsion system, and oil circuit interface is hydraulic with outside
Loading system is connected, and hydraulic loading system is connected with external controller,
The bearing base, is fixed on the bottom of single-point load apparatus, and bearing base is equipped with an oil pocket, oil pocket respectively with pressure chamber
It is connected with oil circuit interface；
The displacement measurement unit, is fixed on the side wall of cavity, and displacement measurement unit is used to detect the shifting of the feeler inspection conehead
Dynamic distance；
The video acquisition unit is arranged on the exterior circumferential direction of displacement measurement unit, and through electrical wire interface and controller
It is connected, video acquisition unit is used to acquire the stress state of borehole wall.
2. hole wall rock mass mechanics parameter as described in claim 1 tests single-point load apparatus, which is characterized in that institute's displacement measurement
Unit includes displacement sensor and measurement lead, and measurement lead includes linkage section and measuring section, and one end of linkage section passes through displacement
Sensor is connected with measuring section, and the other end is connected through leading block with displacement detecting instrument, measuring section and feeler inspection conehead
Axis is parallel, and the other end of measuring section is fixedly connected with the side wall of feeler inspection conehead.
3. hole wall rock mass mechanics parameter as described in claim 1 tests single-point load apparatus, which is characterized in that the video acquisition
Unit includes camera and light compensating lamp, and camera and light compensating lamp are connected with controller, wherein the camera is symmetrical arranged
In the two sides of feeler inspection conehead, the light compensating lamp is evenly distributed in using the axis of feeler inspection conehead as on the same circumference in the center of circle.
4. hole wall rock mass mechanics parameter as described in claim 1 tests single-point load apparatus, which is characterized in that the pressure chamber with
It is additionally provided with sealing ring between the feeler inspection conehead, electronic manometer, electronic manometer and control are additionally provided on hydraulic loading system
Device is connected.
5. hole wall rock mass mechanics parameter as described in claim 1 tests single-point load apparatus, which is characterized in that on the controller
It is additionally provided with pressure display screen, video display screen and load control switch, pressure display screen is for showing stress-strain diagram, stress
Strain curve after the pressure change of feeler inspection conehead and the numerical value change via controller processing of displacement sensor by generating, the video
Display screen is used to show the hole wall stress state of drilling to be measured, and the load control switch is also connected with hydraulic loading system.
6. hole wall rock mass mechanics parameter as described in claim 1 tests single-point load apparatus, which is characterized in that the bearing base
Bottom outer face curvature it is corresponding with the curvature for surveying drilling, and corresponding to the bottom outer surface circular arc of the bearing base
Central angle is 120 °.
7. hole wall rock mass mechanics parameter as described in claim 1 tests single-point load apparatus, which is characterized in that the feeler inspection cone
Head is billiard table shape, is exactly that plane is cut at the top of hemisphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605952.XU CN208109569U (en) | 2018-04-25 | 2018-04-25 | Hole wall rock mass mechanics parameter tests single-point load apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605952.XU CN208109569U (en) | 2018-04-25 | 2018-04-25 | Hole wall rock mass mechanics parameter tests single-point load apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109569U true CN208109569U (en) | 2018-11-16 |
Family
ID=64115911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820605952.XU Active CN208109569U (en) | 2018-04-25 | 2018-04-25 | Hole wall rock mass mechanics parameter tests single-point load apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474060A (en) * | 2020-04-30 | 2020-07-31 | 武汉大学 | Quick and automatic measuring device for engineering rock mechanical parameters and application method |
-
2018
- 2018-04-25 CN CN201820605952.XU patent/CN208109569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474060A (en) * | 2020-04-30 | 2020-07-31 | 武汉大学 | Quick and automatic measuring device for engineering rock mechanical parameters and application method |
| CN111474060B (en) * | 2020-04-30 | 2021-12-03 | 武汉大学 | Quick and automatic measuring device for engineering rock mechanical parameters and application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102011389B (en) | Soil body in situ test device and test method applying same | |
| CN106546366B (en) | A kind of umbellate form deep hole three-dimensional stress and displacement comprehensive test device | |
| CN103149078B (en) | Tension-compression-torsion-shearing coupling-based stress path triaxial apparatus | |
| CN108612526A (en) | A kind of drilling in-situ test feeler inspection loading device and application method | |
| CN100424321C (en) | Testing method and apparatus for geological mechanics parameter under coal mine | |
| CN110441170A (en) | Single-axis bidirectional synchronously control electromagnetism loads dynamic shear test device and test method | |
| CN108444815B (en) | Drilling in-situ testing device for mechanical parameters of engineering rock mass and using method thereof | |
| CN113605887B (en) | Deep drilling complex environment local wall stress relief test method and system | |
| CN109253932B (en) | Variable-stiffness elastic energy storage device and method for testing rock instability by applying same | |
| Gladwin | Ultrasonic stess monitoring in underground mining | |
| CN107882011B (en) | miniature probe with temperature compensation function | |
| CN103969121A (en) | System and method for detecting elastic strain energy index | |
| CN107271272B (en) | A kind of probe test device and method of pan soil intensity and structured testing | |
| CN112067481B (en) | Intelligent geotechnical mechanical parameter testing system | |
| CN208109569U (en) | Hole wall rock mass mechanics parameter tests single-point load apparatus | |
| CN103195425A (en) | System for rapidly measuring in-situ wall rock strength of coal mine tunnel | |
| CN106546491B (en) | Detachable rock mass lateral load and water pressure coupling auxiliary test device | |
| CN108570978B (en) | Hollow side wall wiring type static cone penetration test equipment | |
| CN109580281A (en) | Earth's surface original position ground shear test apparatus | |
| CN202809591U (en) | Static cone penetration system | |
| CN101419144B (en) | Micro-crack on site concrete strength detecting method and implementing device thereof | |
| CN204613033U (en) | Original position rock mechanics system | |
| CN105674845A (en) | Penetrating-type quick measurement device for on-site measurement of thickness of waterproof film sprayed on hard base plane | |
| Potts | Underground instrumentation | |
| CN219653678U (en) | Multi-point measurement parameter dynamic sounding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |