CN208206679U - Surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device - Google Patents
Surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device Download PDFInfo
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- CN208206679U CN208206679U CN201820608135.XU CN201820608135U CN208206679U CN 208206679 U CN208206679 U CN 208206679U CN 201820608135 U CN201820608135 U CN 201820608135U CN 208206679 U CN208206679 U CN 208206679U
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Abstract
The utility model discloses a kind of surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment devices, it is made of feeler inspection loading system, multi-point sampler rotational positioning system, propulsion support system, hydraulic loading system and control system etc..Feeler inspection loading system and multi-point sampler rotational positioning system are linked together by bearing and can regulate and control whole device eventually by hydraulic loading system, control system with promoting the pushing ram of support system mobile.The load test in situ that drills is carried out to engineering rock mass by utility model device and method, obtain different lithology, different drilling depth rock mass deformation-failure character and loading procedure in country rock load-displacement curve and data, relevant technical indicator and parameter are obtained by conversion, be conducive to carry out effective supporting scheme design and accurately numerical simulation in work progress, guarantee supporting intensity and engineering stability, is provided safeguard for the construction of the engineering safeties such as ground, water conservancy and hydropower, mine.
Description
Technical field
The utility model relates to a kind of Mechanics Parameters of Rock Mass test device more particularly to surrounding rock in drilling hole mechanics parameter are in situ
Test synthesis experimental rig.
Background technique
The physical and mechanical parameter of rock mass is the basic data that ground, water conservancy and hydropower and mine engineering are implemented, for these works
Journey is related to roadway support, clearly to measure the mechanics parameter of roadway surrounding rock, come guarantee the intensity of supporting design scheme, rigidity and
Stability is met the requirements;Meanwhile by the deformation failure characteristic in numerical Simulation Prediction country rock later period under cutting status, essence is also wanted
The mechanics parameter of each layer country rock is really measured, can just be obtained reliable as a result, instructing engineering.
There are mainly two types of traditional rock mass physical mechanics parameter test methods: a kind of method be by live core-drilling,
It is processed into standard sample, and carries out the test such as single shaft, shearing, three axis in laboratory, to obtain the intensity of rock, deformation etc.
Parameter;However due to the inhomogeneities that engineering rock structural face is developed and is distributed, keep its physico-mechanical properties more complicated than rock
It is more;And it core-drilling and prepares rock in specimen and is highly prone to destroy, lead to the rock power obtained by laboratory test
Learning parameter, there are relatively large deviations for rock mass actual parameter in practice with engineering, can not meet engineering demand, so most of engineering
Specification has safety coefficient to increase safe guarantee;Meanwhile number is applied to by the rock mechanics parameters that laboratory test measures
In value simulation, it was also found that simulation effect with engineering is practical differs larger.Therefore, the rock mechanics parameters measured by laboratory test
When Intensity Design, deformation analysis, the stability requirement etc. to rock mass engineering project are designed and evaluate, there are limitations.
Another method is the side by devices such as jack to the rock mass direct weighting of live roadway surrounding rock top plate, side wall
Formula carries out mechanics parameter test, however the Mechanics Parameters of Rock Mass measured by this way is only capable of the mechanics of reflection tunnel outer wall country rock
Characteristic cannot react the variation of deep rock mass different lithology and the rock mechanics parameters in the case of by different crustal stress;While thousand
Jin acrosome type is heavy, inconvenient to carry, is unfavorable under complex geological condition carrying out compression test to rock mass.
Geologic structure is analyzed it is generally necessary to carry out boring and coring in engineering site, or carries out drilling for anchor pole branch
Shield, therefore can test the physical and mechanical parameter of above-mentioned bore inner country rock, obtain engineering site precision data, can be with
Reflect the influence of variation of lithological and crustal stress to rock physical and mechanic parameter.By investigation discovery in hydraulic and hydroelectric engineering field
It is main that associated field test is carried out using external existing device, lack independent intellectual property right and creativeness.
Utility model content
The purpose of this utility model is to provide a kind of surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment devices.It is logical
The device is crossed to field engineering rock mass load test, obtain different lithology, different drilling depth rock mass load-displacement curve and
Data obtain relevant technical indicator and parameter by conversion, are conducive to carry out effective supporting scheme design in work progress
And accurately numerical simulation, guarantee supporting intensity and engineering stability, is the construction of the engineering safeties such as ground, water conservancy and hydropower, mine
It provides safeguard.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device, which is characterized in that it is loaded by feeler inspection is
System, multi-point sampler rotational positioning system promote support system, hydraulic loading system and the most of composition of control system five;Wherein:
(1) the feeler inspection loading system described in is by single-point load apparatus, video acquisition unit, displacement measurement unit, feeler inspection conehead
It is formed with bearing base, in which:
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 propulsion support system, oil circuit interface and outside
Hydraulic loading system is connected;The controller is connected with hydraulic loading system;
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;
The feeler inspection conehead is billiard table shape, is exactly that plane is cut at the top of hemisphere;
(2) the multi-point sampler rotational positioning system described in includes Rotation angle location device and repetition measurement calibrating installation.Wherein
Rotation angle location device is driven by motor and mechanical gear, the repetition measurement calibrator (-ter) unit by positioning pointer and host into
Row Data correction can adjust the number of teeth of gear according to the precision of test and the size in aperture, pass through in actual use
Mechanical gear rotation is with miniature webcam positioning repetition measurement, it can be achieved that high-precision multi-angle rotary and repetition measurement positioning correcting.
The Rotation angle location device includes driving unit, connecting shaft and gear unit, and the driving unit is fixed
In the internal side wall of the shield, driving unit is connected through gear unit with connecting shaft, the top and outside of connecting shaft
Static sounding loading device be connected;
The repetition measurement calibrator (-ter) unit includes positioning pointer, repetition measurement disk and video acquisition display unit, positioning pointer with
The top of connecting shaft is connected, and repetition measurement disk is set in connecting shaft, and is fixedly connected with the inner sidewall of shield, wherein institute
The instruction end position for stating positioning pointer is corresponding with the position of the repetition measurement disk, and the video acquisition display unit is for real-time
It acquires the relative position of the positioning pointer and repetition measurement disk and shows;
(3) the propulsion support system described in includes propelling drive apparatus, aperture support protecting apptss, pushing ram and pressure pipe
Device;Wherein:
The propelling drive apparatus is made of pedestal, universal spherical joint, propelling hydraulic cylinder and pushing ram replacement junction chamber;It pushes away
Inlet hydraulic cylinder is rotatably connected on pedestal through universal spherical joint, and pushing ram replacement junction chamber is connected with propelling hydraulic cylinder;It is described to push away
The piston boit of inlet hydraulic cylinder, which is equipped with, promotes end, and the inside of end is promoted to be equipped with hollow interior pillar, and the inside of interior pillar is pacified
Equipped with conductive ring, the lateral wall of interior pillar is equipped with columnar projections, in the single needle connecting plug on conductive ring and the aperture body of rod
Second conductive pin matches, and columnar projections are matched with the vertical slide rail in single needle connecting plug on the orifice end body of rod;It is described
Pushing ram replacement junction chamber is that the outer surface of lever system is being promoted to be arranged with the cylindrical tube being connected with propelling hydraulic cylinder, cylinder
The lower sides of cylinder are equipped with an opening, and pipeline is worn in the opening;Multiple groups are also symmetrically equipped on the inner wall of cylindrical tube
Fixture promotes lever system for clamping, and the clamp arm Outer tips of fixture are equipped with the semicircle card slot that can be docked, and semicircle card slot is for pressing from both sides
Pipeline is held, the openings of sizes of semicircle card slot is adjustable;
The top of pushing ram replacement junction chamber is arranged in, to drilling orifice in the aperture support protecting apptss
The body of rod carry out clamp standoff, be provided with pipe pressing device below the support protecting apptss of aperture, pushed away for pipeline to be pressed into
Into in the open slot of club shaft;
The pushing ram is linked by multiple body of rod head and the tail;It is vertically offered in the outer surface of the body of rod more
A open slot, oil pipe pipeline can be pressed into inside open slot;Double end single needle conducting wire, double end are equipped in the intracorporal hollow cavity of bar
Single needle conducting wire is to be connected separately with the first conductive pin and the second conductive pin at conducting wire both ends;List is connected at the top of the body of rod
Hole line socket, the inside of single hole line socket are equipped with the conductive jack being made of conducting ring, the first conductive pin through coil with
Conducting ring is connected;It is symmetrically distributed on the lateral wall of single hole line socket there are two hole slot, is equipped in each hole slot
The tail portion of clamp button of the spring, the clamp button of the spring is connected through spring with the hole slot, and the head of the clamp button of the spring is spherical surface, institute
State hole channel opening, the clamp button of the spring and the hole channel opening phase there are four accordingly setting on the opening end of single needle connecting plug
Cooperation, convenient for being connected and disconnected from for single hole line socket and single needle connecting plug;Single needle line is connected in the bottom of the body of rod to insert
Head, the second conductive pin are threaded through from inside to outside on single needle connecting plug, and the second conductive pin is also matched with conductive jack;
The inner wall of single needle connecting plug is provided inwardly with symmetrical vertical slide rail along hole channel opening, vertical slide rail be divided into connecting sliding rail and
It is detached from sliding rail, and is connected between connecting sliding rail and disengaging sliding rail by an oblique sliding rail, three sliding rails form U-shaped circuit, form U-shaped
The minimum diameter of the sliding rail in circuit is slightly larger than the maximum outside diameter of clamp button of the spring;Oblique sliding rail and disengaging sliding rail junction are equipped with sliding rail card
Slot, sliding rail card slot hold clamp button of the spring after connecting for single hole line socket with single needle connecting plug, are promoting whole device
With do not rotate in measurement process, be conducive to stability and accuracy;Ring lock is equipped in the outer surface of single hole line socket
Tight groove is equipped with the locking lantern ring that conjunction is mutually carved with annular locking groove in the lower end of single needle connecting plug;
(4) hydraulic loading system described in is used to control hydraulic oil disengaging and realizes load;
(5) control system described in turns first is that the driving unit of control Rotation angle location device carries out accurate rotation
It is dynamic, and show the rotation angle of the display unit repetition measurement of repetition measurement calibrator (-ter) unit;Second is that control feeler inspection loading system is to field engineering
Rock mass carries out load test in drilling, and obtains the load-displacement curve and data of different lithology, different drilling depth rock mass;Three
It is that control promotes support system to be accurately sent to feeler inspection loading system and multi-point sampler rotational positioning system in drilling, realizes not
With the load test of drilling depth rock mass;Fourth is that control hydraulic loading system carries out oil-filled and oil return to all oil circuits, realize whole
Test of a device to rock mass in drilling.
Further, the preferred structure of the gear unit of above-mentioned Rotation angle location device is: including first to third list
To the multiple tooth gear of third, the connecting shaft includes upper axis, axis and the lower axle being sequentially distributed from top to bottom for gear, first, in
Axis is rotatablely connected with the upper axis and lower axle respectively;Wherein: the first single-tooth gear is fixedly connected with driving unit, the first multiple tooth tooth
Wheel is fixedly connected with the lower part of axis, and the first single-tooth gear is meshed with the first multiple tooth gear;During second single-tooth gear is fixed on
The top of axis, the second single-tooth gear are meshed with the second multiple tooth gear;The multiple tooth gear of third is fixed on axis, third monodentate tooth
Wheel is meshed with the multiple tooth gear of third, is connected between the second multiple tooth gear and third single-tooth gear by connecting rod, connecting rod
Outer cover be equipped with connector sleeve, connector sleeve and connecting rod are rotatablely connected, and connector sleeve is also fixedly connected with shield;More than first
It is respectively equipped at least one keyway on gear, the second single-tooth gear and the multiple tooth gear of third, and the first multiple tooth gear,
Second single-tooth gear and the multiple tooth gear of third by retainingf key and keyway respectively with the lower part of axis, the top of axis and upper axis phase
Connection.
Further, aperture support protecting apptss include the fixed frame for being fixed on aperture location, classification chuck, classification sliding rail
With internal diameter regulating mechanism;The fixed frame is circular ring, is equipped with partition at the bosom position of circular ring;In partition
Two sides up and down classification chuck is symmetrically installed, the center position for being classified chuck is additionally provided with rotary stopper ring, promotes leverage
System is threaded through in rotary stopper ring;Classification sliding rail is symmetrically provided on the diameter line of classification chuck, classification sliding rail is equipped with
It is classified card column, classification card column includes first order card column, second level card column and third level card column, and the first order card column is nested in the
In second level card column, second level card column is nested in the card column of third pole, and the first order to third level card column can be along corresponding classification
Sliding rail sliding;The internal diameter regulating mechanism includes adjusting limiting slot and adjusting screw, adjusts limiting slot and is arranged two neighboring
It is classified between card column, screw setting is adjusted in adjusting limiting slot, for adjusting the inner diameter size of rotary stopper ring;Above-mentioned classification
It is equipped with asphalt channel in chuck, rotary stopper ring and classification card column, and is additionally provided with oil inlet and fuel-displaced on the classification chuck
Mouthful, the oil inlet and oil outlet are connected with the asphalt channel.
Further, the pipe pressing device includes fixed link, metallic sheath, two pulleys and spring pressuring plate;The fixation
Bar is fixed on the lower section of above-mentioned aperture support protecting apptss;The metallic sheath, respectively through horizontal displacement regulating mechanism and vertically
Displacement regulating mechanism is connected with above-mentioned fixed link, adjusts metallic sheath level respectively by two regulating mechanisms and moves left and right and erect
Directly move up and down;It is symmetrically opened up on metallic sheath there are two the sliding slot that is open, opening sliding slot is obliquely outward;Two cunnings
Wheel is mounted in opening sliding slot correspondingly and is slidably connected with opening sliding slot, and pulley is corresponding with the open slot of the body of rod, and two
Also it is connected by transmission lever between a pulley, it is desirable that prominent among at the wheel rim of pulley, two sides are recessed inwardly, are conducive to
Oil pipe is pressed into the open slot of pushing ram lateral wall, is guarded against deviations;The two sides of each pulley are arranged in the spring pressuring plate
Axle portion, spring pressuring plate drive the pulley to slide along the opening sliding slot after being used for stress.
Further, the horizontal displacement regulating mechanism preferred structure of pipe pressing device is: including vertical adjustment sliding block, brace and stretching
Contracting column, is equipped with the vertical chute in the fixed link of pressure pipe system, and one end of brace is slided through vertical adjustment sliding block and the vertical chute
Connection is hinged in the middle part of the other end and telescopic mast, the both ends of the telescopic mast metallic sheath with fixed link and pressure pipe system respectively
It is connected, a unlock pressing plate, convenient for locking and unlocking to vertical adjustment sliding block, pressure pipe is additionally provided on vertical adjustment sliding block
The vertical displacement regulating mechanism of device includes sliding bearing, and telescopic mast one end of horizontal displacement regulating mechanism is through sliding bearing and admittedly
The vertical chute of fixed pole is slidably connected.
The application method of the utility model surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device is as follows:
The first step, assembly and connection engineering rock mass mechanics parameter drilling in-situ testing device
1.1st step, it is fixed to promote support system, and the propulsion end of propelling hydraulic cylinder extension end is made to be directed at wall rock drill-hole;
Fixed valve is closed, it is motionless to guarantee that propelling drive apparatus is stablized;And pushing ram replacement junction chamber is mounted on hydraulic cylinder piston column
It on pillar and is locked in exposed junction;
1.2nd step: fixed orifice support protecting apptss and pipe pressing device;That is: by the liquid of the aperture support protecting apptss
Pressure classification chuck is fixed on the partition upper and lower ends of fixed frame, and blending bolt anchors, meanwhile, pressure pipe system is fixed on fixed frame
Lower section;
1.3rd step after aperture support protecting apptss assemble, is installed in the bracket for promoting support system pedestal
On, and sent it at wall rock drill-hole mouth by lifting support, so that it is fixed on hell outer wall;
Both 1.4th step links together feeler inspection loading system with multi-point sampler rotational positioning system by bearing, make
It can rotate synchronously, and borehole television imaging system is installed in bearing upper end, keep feeler inspection loading system, multi-point sampler rotation fixed
Position system and borehole television imaging system can be mobile with pushing ram;
Assembled first pushing ram is mounted on by the 1.5th step by the cylindrical tube opening of replacement junction chamber side wall
End is promoted, while locking pushing ram tail, it is made not rotate and shake in progradation;
1.6th step, pipe laying;By pipeline by pushing ram replace junction chamber side wall cylindrical tube opening deeply with
The oil circuit interface of feeler inspection loading system is connected, and communicates in pressure chamber, the semicircle card slot size of adjustment fixture tip two sides docking,
Pull pipeline freely wherein;
Second step, drill in-situ test
2.1st step opens propelling hydraulic cylinder, and oil pressure loading speed is arranged, releases the piston of propelling hydraulic cylinder slowly, together
When, pushing ram and feeler inspection loading system and multi-angle rotary retest system are raised close to hell, in pushing ram end
Feeler inspection loading system and multi-angle rotary retest system pass through completely after aperture support protecting apptss enter hell, stop pushing away
Into;
2.2nd step opens borehole television camera, passes through the feature of camera start recording surrounding rock in drilling hole, adjustment pressure
The telescopic mast of guard system horizontal displacement regulating mechanism is pressed into out the pulley of pressure pipe system under spring pressuring plate effect by pipeline
In mouth slot, when the tail portion of pushing ram locking lantern ring is close to pulley, stop promoting;
2.3rd step opens the locking switch of classification chuck, and two classification card columns for being classified chucks are shunk up and down for control, will
Pushing ram clamps, it is made to keep stablizing;The piston retaining ring of propelling hydraulic cylinder is rotated, and opens the oil return dress of propelling hydraulic cylinder
It sets, makes that end is promoted slowly to move down, and separate with pushing ram, after hydraulic drive cylinder moves down into initial position, close oil return control
Valve processed;
2.4th step installs pushing ram again, and opens the oil inlet valve of hydraulic drive cylinder, slowly increase pushing ram, when
After the single hole line socket of second pushing ram is inserted on the single needle connecting plug of first pushing ram tail portion, propelling hydraulic cylinder
Stop lifting, rotate second pushing ram, makes it carve to merge to form locking state with first pushing ram tail portion locking lantern ring, most
Afterwards, the classification card column of classification chuck is opened in control, makes pushing ram under the promotion of propelling hydraulic cylinder, progresses into drilling depths;
2.5th step, repetitive operation control two classifications at the required drilling country rock measured of feeler inspection loading system arrival
The classification card column of chuck is shunk, and pushing ram is clamped, and by controlling the driver of feeler inspection loading system, moves sliding block along guide rail
It is dynamic, the protection baffle of feeler inspection loading system is opened, exposes single-point load apparatus and video acquisition unit, opens video acquisition unit
Photographic device observes the rock mass for needing load test, chooses lithology complete area and is used to load, makes single-point by hydraulic
Load apparatus stretches out and carries out load measurement to the rock mass that measures of needs, by video acquisition unit to rock mass during loading
Destructive process and damage -form are recorded and are stored;
2.6th step retracts single-point load apparatus after the completion of selected country rock domain test, and closes protection baffle, meter
Between the point and preliminary examination test point for calculating the wanted load test of country rock in other interior orientation of same depth same level in the drilling
Angle;
2.7th step, control system are rotated according to the rotation angle adjustment driving unit of calculating, and driving unit, which drives, to be passed
Moving cell rotation detects orientation needed for turning to feeler inspection loading system;
2.8th step acquires the relative position of positioning pointer and repetition measurement disk and feeds back to the controller, controller control
Display unit shows the rotation angle of repetition measurement, and the rotation angle information of repetition measurement is recorded and stored;
2.9th step repeats the operation of feeler inspection loading system during loading, completes failure and deformation of surrounding rocks after repetition measurement angle
When load and deformation testing experiment, until the country rock data in same level at required Difference angles are tested
It completes, continues growing pushing ram investigation depth, the depth tested needed for reaching carries out relevant operation.
Third step, disassembly Mechanics Parameters of Rock Mass drilling in-situ testing device
After the completion of with drilling different depth country rock test one by one, the controller for closing feeler inspection loading system opens propulsion liquid
The oil return valve of cylinder pressure opens the classification card column of classification chuck, falls single unit system slowly after rise, and dismantle pushing ram section by section, directly
It is finished to final section disassembly, and pipeline consolidation is recycled;
Aperture support protecting apptss are drop to ground by lifting support, and are disassembled;
The fixed valve promoted on support system universal spherical joint is opened, propelling hydraulic cylinder is recalled to initial position, meanwhile, it will
Pedestal disassembly is placed into external reserve tank;
4th step, data processing
The load and displacement data stored in export loading procedure, processing generate load-displacement curve;It is changed by formula
It calculates, load-displacement curve is converted into load-deformation curve, obtain peak strength and corresponding strain value, while by corresponding
Formula find out other mechanics parameters of rock mass.
The utility model has the beneficial effects that
The utility model passes through propelling drive apparatus, aperture support protection dress on the basis of the prior art and device
Set and the multiple coordinations such as pushing ram effect, the driving of pushing ram and entire experimental rig to rock mass physical mechanics parameter into
The influence that human factor is eliminated during row in-situ test, solving hand-held device and shaking leads to the load of test, position
The parameters such as shifting inaccuracy, and can not be used to accurate to carry out such as the design of its support, deformation analysis, stability requirement of rock mass engineering project
The problem of design and evaluation, ensure that the safety of experimental rig and the authenticity and accuracy of detection test result;Pass through
The utility model promotes rod structure that oil inlet pipe and flowline can be embedded in respectively in the vertical opening slot of pushing ram lateral wall, both
Can control oil pipe do not deviate in progradation, and can protect oil pipe will not with drilling palisades occur friction cause to damage
It is bad, security risk is eliminated, provides safety guarantee for drilling in-situ test.
The utility model uses key connection side by Rotation angle location device, by the gear of gear unit and connecting shaft
Formula, and middle part connecting shaft and other connecting shafts are rotatablely connected, and realize that gear and connecting shaft rotate synchronously, and connecting shaft mutually rotates
It does not influence;Meanwhile the spool gear of individual gears drives the rotation transmitting between the rotation of next stage gear and multi-gear, it is adjustable
Loading device carries out the rotary test of different angle in drilling, solves and tests same level different direction rock in drilling
The problem of the mechanics parameter of body;By individual gears and multi-gear coordinative role, the speed of rotation is substantially reduced, makes to rotate relative angle
Angle value is more accurate.The fixation of repetition measurement disk does not rotate, and positioning pointer is connected to controller host by miniature webcam, makes
It is rotated synchronously, and is carried out timely repetition measurement, feedback to the rotation angle of whole device, is conducive to the true rotation angle of reading device
It spends, keeps test result true and reliable, and accuracy is higher, avoid artificially reading brought error, it is simple and effective, convenient for dividing
Analysis.
The utility model is designed to hemisphere mesa-shaped by the feeler inspection conehead of feeler inspection loading device, during loading, both may be used
Effectively to be contacted with palisades, and it is capable of increasing stress suffered by rock mass, is allowed to be more prone to produce destruction;Feeler inspection conehead exists
Stretching when loading to country rock, after-contraction is completed in load, and device is protected feeler inspection conehead by protective cover in progradation
Firmly, it effectively prevents causing pressure head to damage because feeler inspection conehead collides with palisades protrusion in load or progradation, plays protection
Effect.Meanwhile the camera by being symmetricly set on feeler inspection conehead two sides, can in real-time monitoring loading procedure rock mass destruction shape
Formula provides visualization reference for the failure evolvement of research engineering Test in Situ.
The apparatus structure of the utility model is compact, safe operation, efficiency is interconnected between each device rapidly and efficiently and method
Simple and reliable, operating process intuitively can control.Safe and efficient test side is realized by the mutually coordinated effect between each device
Case has in terms of engineering rock mass mechanics parameter drills situ measurement study to meet the needs of engineering site bore detecting load
There are wide applicability and future in engineering applications.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model;
Fig. 2 is the propulsion system schematic diagram of the utility model
In Fig. 3, Fig. 3 a and Fig. 3 b are respectively the main view and top view of this pushing ram replacement junction chamber;
In Fig. 4, Fig. 4 a and 4b are pushing ram and propulsion end schematic diagram respectively;
Fig. 5 is the aperture support protecting apptss schematic diagram of the utility model;
Fig. 6 is the multistage hydraulic chuck schematic diagram of the utility model;
Fig. 7 is the pipe pressing device schematic diagram that the utility model promotes support system
Fig. 8 is the multi-point sampler rotational positioning system diagram of the utility model;
Fig. 9 is the feeler inspection loading system figure of the utility model;
Figure 10 is the sectional view of Fig. 9.
In figure:
1- feeler inspection loading system, 11- single-point load apparatus, 12- cavity, 13- protect baffle, 14- video acquisition unit, 15-
Displacement measurement unit, 16- displacement sensor, 17- driver, 18- guide rail, 19- sliding block, 110- electrical wire interface, 111- push rod connect
Mouthful, 112- oil circuit interface, 113- measuring section, 114- leading block, 115- linkage section, 116- oil pocket, the pressure chamber 117-, 118-
Sealing ring, 119- bearing base, 120- feeler inspection conehead.
2- multi-point sampler rotational positioning system, 21- shield, the second fixed link of 22-, 23- repetition measurement disk, 24- repetition measurement school
Quasi- mechanism, 25- positioning pointer, 26- connecting rod, 27- third single-tooth gear, 28- third fixed link, 29- connector sleeve, 210-
Two multiple tooth gears, the second single-tooth gear of 211-, 212- gear unit, 213- connecting shaft, 214- Rotation angle location device, 215-
Driving unit, the first fixed link of 216-, the first single-tooth gear of 217-, the multiple tooth gear of 218- first, the multiple tooth gear of 219- third,
220- keyway.
3- propulsion support system, 31- single hole line socket, 32- hole slot, 33- clamp button of the spring, 34- insulation rubber column gel column, 35- are led
Electric ring, 36- locking groove, 37- coil, the 38- body of rod, 39- open slot, 310- double end single needle conducting wire, the oblique sliding rail of 311-, 312- are exhausted
Edge rubber ring, the second conductive pin of 313-, 314- connecting sliding rail, 315- lock lantern ring, and 316- is detached from sliding rail, and 317- single needle line is inserted
Head, 318- sliding rail card slot, 319- conductive jack, 320- spring, 321- pushing ram, 322- cylindrical tube, 323- replacement connection
Room, 324- cylindrical tube opening, 325- fixture, 326- semicircle card slot, 327- conductive ring, 328- promote end, and 329- column is convex
It rises, pillar in 330-, 331- third level card column, the second level 332- card column, 333- first order card column, 334- is classified card column, 335-
It is classified chuck, 336- partition, 337- fixed frame, 338- oil inlet, 339- oil outlet, 340- classification sliding rail, 341-, which is adjusted, to be limited
Slot, 342- adjusting screw, 343- rotary stopper ring, 344- conducting wire, the first conductive pin of 345-, 346- fixed link, 347- are vertical
Sliding slot, 348- unlock pressing plate, 349- metallic sheath, 350- pulley.351- opening sliding slot, 352- transmission lever, 353- spring pressuring plate,
354- telescopic mast, 355- horizontal displacement regulating mechanism, 356- vertical displacement regulating mechanism, 357- sliding bearing, 358-, which is adjusted, to be slided
Block, 359- brace, piston retaining ring -360, fixed valve -361, universal spherical joint -362,363- pipeline.
4- hydraulic loading system.
5- control system.
Specific embodiment
The embodiments of the present invention are described further with reference to the accompanying drawing.
The utility model surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device as shown in Figure 1, it includes touching
It visits loading system 1, multi-point sampler rotational positioning system 2, promote support system 3, hydraulic loading system 4 and control system 5 five big
Part;Wherein:
(1) as shown in figs. 9-10, whole include single-point load apparatus 11, video acquisition to 1 structure of feeler inspection loading system described in
Unit 14, displacement measurement unit 15, feeler inspection conehead 120, bearing base 119;
It can be seen from the figure that the single-point load apparatus 11, top is equipped with a cavity 12, and lower part is equipped with a pressure chamber
117, the bottom of the namely piston ram of feeler inspection conehead 120 is extend into pressure chamber 117 after passing through cavity 12, single-point load apparatus 11
Side be also successively arranged electrical wire interface 110, push rod interface 111 and oil circuit interface 112, electrical wire interface 110 and external control
System 5 is connected, and push rod interface 111 is connected with external propulsion support system 3, and oil circuit interface 112 and the hydraulic of outside add
Loading system 4 is connected;120 Front-end Design of feeler inspection conehead of the utility model during loading, can both have at hemisphere mesa-shaped
Effect ground is contacted with palisades, and is capable of increasing stress suffered by rock mass, is allowed to be more prone to produce destruction;Feeler inspection conehead 120 has
There is scalability, after-contraction is completed in the stretching when loading to country rock, load.In order to effectively prevent in load or progradation
Cause pressure head to damage because feeler inspection conehead 120 collides with palisades protrusion, is equipped with protection baffle 13 in 120 end of feeler inspection conehead, protects
Guard 13 is connected with the side wall of single-point load apparatus 11, protects baffle 13 to carve conjunction by sliding block 19 and 18 phase of guide rail, and pass through drive
Dynamic device 17 can be moved along guide rail 18 protects feeler inspection conehead 120.
The bearing base 119 is fixed on the bottom of single-point load apparatus 11, and bearing base 119 is equipped with oil pocket 116,
Oil pocket 116 is connected with pressure chamber 117 and oil circuit interface 112 respectively;Hydraulic power is provided by hydraulic loading system 4, through oil
It is transferred in pressure chamber 117 after road interface 112 and oil pocket 116, to drive feeler inspection conehead 120 mobile and to the hole wall of drilling
It is loaded.
The displacement measurement unit 15, is fixed on the side wall of cavity 12, and displacement measurement unit 15 is for detecting feeler inspection
The moving distance of conehead 120;Specifically, displacement measurement unit 15 includes displacement sensor 16, measurement lead and displacement monitoring
Instrument, displacement monitor bottom end are fixed on bearing base 119, and measurement lead includes linkage section 115 and measuring section 113, linkage section
115 one end is connected by displacement sensor 16 with measuring section 113, and the other end is through leading block 114 and displacement detecting instrument
Be connected, measuring section 113 is parallel with the axis of feeler inspection conehead 120, and the other end of measuring section 113 also with feeler inspection conehead 120
Side wall and displacement monitor connection, therefore, the moving distance of feeler inspection conehead 120 and the moving distance of measuring section 113 are phases
With, the moving distance by monitoring measuring section 113 can obtain the displacement of feeler inspection conehead 120, and accuracy of measurement is high, by
External interference factor is less.
The video acquisition unit 14, is arranged on the exterior circumferential direction of displacement measurement unit 15, and connect through electric wire
Mouth 110 is connected with control system 5, and video acquisition unit 14 is used to acquire the stress state of borehole wall.Specifically, video is adopted
The camera and light compensating lamp for collecting unit 14 are connected with control system 5, wherein camera is symmetricly set on feeler inspection conehead 120
Two sides, the two sides stress state of feeler inspection conehead 120 can be observed simultaneously in this way, light compensating lamp is evenly distributed in feeler inspection conehead
120 axis is that can carry out uniform light filling to the peripheral side of feeler inspection conehead 120 in this way, raising is taken the photograph on the same circumference in the center of circle
As the clarity of head acquisition video.
In order to improve leakproofness, sealing ring 118 is additionally provided between pressure chamber 117 and feeler inspection conehead 120.
It is more bonded to contact bearing base 119 with the hole wall of drilling, stress is avoided to concentrate, bearing base 119
Bottom outer face curvature is corresponding with the curvature for surveying drilling, it is preferable that corresponding to the bottom outer surface circular arc of bearing base 119
Central angle be 120 °.
(2) the multi-point sampler rotational positioning system 2 (see Fig. 8) described in includes Rotation angle location device 214 and repetition measurement school
Quasi- mechanism 24, in which:
The Rotation angle location device 214 includes driving unit 215, connecting shaft 213 and gear unit 212, described
Driving unit 215 is reversing motor, is fixed in the internal side wall of the shield 21, and driving unit 215 is fixed through first
Bar 216 is fixedly connected with shield 21;Driving unit 215 is also connected with connecting shaft 213 through gear unit 212, connecting shaft
213 top is connected with external feeler inspection loading system 1, and driving unit 215 is electrically connected with external control system 5.
The repetition measurement correcting mechanism 24 includes positioning pointer 25, repetition measurement disk 23 and video acquisition display unit, positioning
Pointer 25 is connected with the top of connecting shaft 213, and repetition measurement disk 23 is set in connecting shaft 213, the upper surface of repetition measurement disk 23
Edge is equipped with the scale for indicating central angle, and repetition measurement disk 23 is fixedly connected through the second fixed link 22 with shield 21;The positioning
The instruction end position of pointer 25 is corresponding with the position of the repetition measurement disk 23, and the video acquisition display unit for adopting in real time
Collect the relative position of the positioning pointer 25 and repetition measurement disk 23 and show, video acquisition display unit specifically includes camera shooting
Head and host display, camera are fixed in positioning pointer 25, and host display is connected with camera and control system 5 respectively
It connects.The top of positioning pointer 25 and connecting shaft 213 in the utility model rotates synchronously, and camera is fixed on positioning pointer
On 25, the rotary state video pictures for the positioning pointer 25 that can be real-time monitored in this way, and be shown on host display.
Further, the preferred structure of the gear unit of above-mentioned Rotation angle location device is: including first to third monodentate
Gear 217,211 and 27, first to the multiple tooth gear 218,210 and 219 of third, the connecting shaft 213 includes from top to bottom successively
Upper axis, axis and the lower axle of distribution, axis are rotatablely connected with the upper axis and lower axle respectively;Wherein: the first single-tooth gear 217 with
Driving unit 215 is fixedly connected, and the first multiple tooth gear 218 is fixedly connected with the lower part of axis, the first single-tooth gear 217 and first
Multiple tooth gear 218 is meshed;Second single-tooth gear 211 is fixed on the top of axis, the second single-tooth gear 211 and the second multiple tooth tooth
Wheel 210 is meshed;The multiple tooth gear 219 of third is fixed on axis, and third single-tooth gear 27 is nibbled with multiple tooth 219 phase of gear of third
It closes, is connected between the second multiple tooth gear 210 and third single-tooth gear 27 by connecting rod 26, the outer cover of connecting rod 26 is equipped with
Connector sleeve 29, connector sleeve 29 are also fixedly connected with shield 21 through third fixed link 28;It is single in the first multiple tooth gear 218, second
It is respectively equipped at least one keyway 220 on gear 211 and the multiple tooth gear 219 of third, is divided by retainingf key and keyway 220
It is not connected with the lower part of axis, the top of axis and upper axis.
(3) the propulsion support system 3 described in is shown in Fig. 2-5, it includes propelling drive apparatus, aperture support protecting apptss, pushes away
Into bar 321 and pipe pressing device;Wherein:
The pushing ram 321 is shown in Fig. 4 a, is linked by multiple 38 head and the tail of the body of rod;It is perpendicular in the outer surface of the body of rod 38
Multiple open slots 39 directly are offered, oil pipe pipeline can be pressed into inside open slot 39;It is worn in the hollow cavity in the body of rod 38
There is double end single needle conducting wire 310, double end single needle conducting wire 310 is to be connected separately with the first conductive pin 345 and at 344 both ends of conducting wire
Two conductive pins 313;It is connected with single hole line socket 31 at the top of the body of rod 38, the inside of single hole line socket 31 is equipped with by leading
The conductive jack 319 that electric ring 35 is constituted, the first conductive pin 345 are connected through coil 37 with conducting ring 35;Single hole line socket
It is symmetrically distributed on 31 lateral wall there are two hole slot 32, clamp button of the spring 33 is installed in each hole slot 32, clamp button of the spring 33
Tail portion is connected through spring 320 with hole slot 32, and the head of clamp button of the spring 33 is spherical surface;Single needle is connected in the bottom of the body of rod 38 to connect
Line plug 317 is accordingly set on the opening end of single needle connecting plug 317 there are four hole channel opening, clamp button of the spring 33 with it is described
Hole channel opening matches, convenient for being connected and disconnected from for single hole line socket 31 and single needle connecting plug 317;Described second is conductive
Contact pin 313 is threaded through from inside to outside on single needle connecting plug 317, and the second conductive pin 313 also matches with conductive jack 319
It closes;The inner wall of single needle connecting plug 317 is provided inwardly with symmetrical vertical slide rail along hole channel opening, and vertical slide rail is divided into connection
Sliding rail 314 and disengaging sliding rail 316, and be connected between connecting sliding rail 314 and disengaging sliding rail 316 by an oblique sliding rail 311, three cunnings
Rail forms U-shaped circuit, and the minimum diameter for forming the sliding rail in U-shaped circuit is slightly larger than the maximum outside diameter of clamp button of the spring 33;Oblique sliding rail 311
It is equipped with sliding rail card slot 318 with 316 junction of sliding rail is detached from, sliding rail card slot 318 is inserted for single hole line socket 31 and single needle line
Clamp button of the spring 33 is held after first 317 connection, so that whole device is being promoted and is not being rotated in measurement process, is conducive to stability
And accuracy;It is equipped with annular locking groove 36 in the outer surface of single hole line socket 31, in the lower end of single needle connecting plug 317
Equipped with the locking lantern ring 315 for carving conjunction with annular locking 36 phase of groove;
The propelling drive apparatus replaces junction chamber 323 by pedestal, universal spherical joint 362, propelling hydraulic cylinder and pushing ram
Composition;Propelling hydraulic cylinder is rotatably connected on pedestal through universal spherical joint 362, and pushing ram replaces junction chamber 323 and propelling hydraulic cylinder
It is connected;The piston boit of the propelling hydraulic cylinder, which is equipped with, promotes end 328 (see Fig. 4 b), and the inside of end 328 is promoted to be equipped with
Hollow interior pillar 330, the inside of interior pillar 330 are equipped with conductive ring 327, and it is convex that the lateral wall of interior pillar 330 is equipped with column
329 are played, conductive ring 327 is matched with the second conductive pin 313 in the single needle connecting plug 317 on the aperture body of rod 38, column
Protrusion 329 is matched with the vertical slide rail in single needle connecting plug 317 on the orifice end body of rod;The pushing ram replaces junction chamber
323 (see Fig. 3 a- Fig. 3 b) are to be arranged with the cylindrical tube 322 being connected with propelling hydraulic cylinder, cylinder in the outer surface of pushing ram
The lower sides of cylinder 322 are equipped with an opening 324, and pipeline is threaded through in opening 324;It is also right on the inner wall of cylindrical tube 322
Claim ground to be equipped with multiple groups fixture 325 and is equipped with the semicircle card slot that can be docked for clamping pushing ram, the clamp arm Outer tips of fixture 325
326, for semicircle card slot 326 for clamping pipeline, the openings of sizes of semicircle card slot 326 is adjustable;
The propelling drive apparatus of the utility model further includes fixed valve 361 and piston retaining ring 360 (see Fig. 2), fixed valve
361 are mounted on the base, and for locking universal spherical joint 362, are additionally provided with bevel protractor on universal spherical joint 362;Piston retaining ring 360 is used
In the single needle connecting plug 317 on the body of rod of locking least significant end and end is promoted, the utility model is by adjusting bevel protractor angle
To control 362 rotation direction of universal spherical joint, and limit is locked with fixed valve 361.
The aperture support protecting apptss are shown in Fig. 5, the top of pushing ram replacement junction chamber 323 are arranged in, for brill
The body of rod 38 at the aperture of hole carries out clamp standoff, is provided with pipe pressing device below the support protecting apptss of aperture, for that will manage
Road is pressed into the open slot 39 for promoting club shaft 38;
Further, aperture support protecting apptss include the fixed frame 337 for being fixed on aperture location, classification chuck 335, divide
Grade sliding rail 340 and internal diameter regulating mechanism;The fixed frame 337 is circular ring, is set at the bosom position of circular ring
There is partition 336;Classification chuck 335 is symmetrically installed in the two sides up and down of partition 336, is classified the center position of chuck 335
It is additionally provided with rotary stopper ring 343, pushing ram is threaded through in rotary stopper ring 343;In the diameter line of classification chuck 335 (see Fig. 6)
On be symmetrically provided with classification sliding rail 340, classification sliding rail 340 be equipped with classification card column 334, classification card column 334 include mutually it is embedding
First order card column 333, second level card column 332 and the third level card column 331 being nested together, the first order to third level card column
It is slided along corresponding classification sliding rail 340;The internal diameter regulating mechanism includes adjusting limiting slot 341 and adjusting screw 342, is adjusted
It saves limiting slot 341 to be arranged between two neighboring classification card column 334, adjusts the setting of screw 342 in adjusting limiting slot 341, use
In the inner diameter size of adjustment rotary stopper ring 343;In above-mentioned classification chuck 335, rotary stopper ring 343 and classification card column 334
Equipped with asphalt channel, and it is additionally provided with oil inlet 338 and oil outlet 339 on the classification chuck 335, the oil inlet 338 and goes out
Hydraulic fluid port 339 is connected with asphalt channel.
Further, the pipe pressing device is shown in Fig. 7, including fixed link 346, metallic sheath 349, two pulleys 350 and springs
Tabletting 353;The fixed link 346 is fixed on the lower section of above-mentioned aperture support protecting apptss;The metallic sheath 349 passes through respectively
Horizontal displacement regulating mechanism 355 and vertical displacement regulating mechanism 356 are connected with above-mentioned fixed link 346, pass through two adjusting machines
Structure adjusts 349 level of metallic sheath respectively and moves left and right and move up and down vertically;Opening there are two symmetrically being opened up on metallic sheath 349
Sliding slot 351, opening sliding slot 351 are obliquely outward;Two pulleys 350 are mounted on opening sliding slot 351 correspondingly
In, and pulley 350 is corresponding with the open slot 39 of the body of rod 38, is also connected by transmission lever 352 between two pulleys 350,
Ask prominent among at the wheel rim of pulley 350, two sides are recessed inwardly, are conducive to oil pipe is pressed into 321 lateral wall of pushing ram
In open slot 39, guard against deviations;The two sides axle portion of each pulley 350, spring pressuring plate 353 is arranged in the spring pressuring plate 353
It is slided for driving pulley 350 after stress along opening sliding slot 351.
Above-mentioned 355 preferred structure of horizontal displacement regulating mechanism is: including vertical adjusting slider 358, brace 359 and stretching
Column 354, is equipped with the vertical chute 347 in the fixed link 346 of pressure pipe system, one end of brace 359 through vertical adjustment sliding block 358 with
The vertical chute 347 is slidably connected, and the middle part of the other end and telescopic mast 354 is hinged, the both ends of telescopic mast 354 respectively with fixation
Bar 346 is connected with the metallic sheath 349 of pressure pipe system, and a unlock pressing plate 348 is additionally provided on vertical adjustment sliding block 358, is convenient for
Locking and unlocking is carried out to vertical adjustment sliding block 358
Above-mentioned vertical displacement regulating mechanism 356 includes sliding bearing 357, the telescopic mast of horizontal displacement regulating mechanism 355
354 one end are slidably connected through sliding bearing 357 and the vertical chute 347 of fixed link.Vertically by driving sliding bearing 357
Sliding slot 347 slides, and the vertical position of pulley 350 can be adjusted, and makes that it is suitable for the indentations of the pipeline 363 of different model and position.
The control system 5 of the utility model, first is that the driving unit 215 of control Rotation angle location device is accurately revolved
It walks around dynamic, and shows the rotation angle of the display unit repetition measurement of repetition measurement calibrator (-ter) unit;Second is that control 1 pair of scene of feeler inspection loading system
Rock mass carries out load test in engineering the drilling, obtains the load-displacement curve and number of different lithology, different drilling depth rock mass
According to;Third is that control promotes support system that feeler inspection loading system 1 and multi-point sampler rotational positioning system 2 are accurately sent to drilling
In, realize the load test of different drilling depth rock mass;Fourth is that control hydraulic loading system 4 is carried out oil-filled and is returned to all oil circuits
Oil realizes test of the whole device to rock mass in drilling.
The application method of the utility model surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device is as follows:
The first step, attachment device
1.1st step, it is fixed to promote support system 3, and so that the propulsion end 328 of propelling hydraulic cylinder extension end is directed at country rock and bore
Hole;Fixed valve 361 is closed, it is motionless to guarantee that propelling drive apparatus is stablized;And pushing ram replacement junction chamber 323 is mounted on liquid
It on pillar 330 and is locked in pressure cylinder piston column exposed junction;
1.2nd step: fixed orifice support protecting apptss and pressure pipe system;That is: by the liquid of the aperture support protecting apptss
Pressure classification chuck 335 is fixed on 336 upper and lower ends of partition of fixed frame 337, and blending bolt anchors, meanwhile, pressure pipe system is consolidated
It is scheduled on the lower section of fixed frame 337;
1.3rd step after aperture support protecting apptss assemble, is installed in the base support for promoting support system 3
On, and sent it at wall rock drill-hole mouth by lifting support, so that it is fixed on hell outer wall;
Feeler inspection loading system 1 and multi-point sampler rotational positioning system 2 are linked together by bearing, make two by the 1.4th step
Person can rotate synchronously, and install borehole television imaging system in bearing upper end, make feeler inspection loading system 1, multi-point sampler rotation
Turn positioning system 2 and borehole television imaging system can be mobile with pushing ram 321;
Assembled first pushing ram 321 is open by the 1.5th step by the cylindrical tube of replacement 323 side wall of junction chamber
324 are mounted on propulsion end 328, while locking pushing ram tail portion, it is made not rotate and shake in progradation;
1.6th step, pipe laying 363;
Pipeline 363 is replaced by pushing ram and is deeply loaded with feeler inspection at the cylindrical tube opening 324 of 323 side wall of junction chamber
The oil circuit interface 112 of system 1 is connected, and communicates in pressure chamber 117, the semicircle card slot 326 of adjustment 325 tip two sides of fixture docking
Size pulls pipeline freely wherein;
Second step, drill in-situ test
2.1st step opens propelling hydraulic cylinder, and oil pressure loading speed is arranged, releases the piston of propelling hydraulic cylinder slowly, together
When, pushing ram 321 and feeler inspection loading system 1 connected to it and multi-angle rotary retest system 2 are raised close to hell,
321 end of pushing ram feeler inspection loading system 1 and multi-angle rotary retest system 2 completely by aperture support protecting apptss into
After entering hell, stop promoting;
2.2nd step opens borehole television camera, passes through the feature of camera start recording surrounding rock in drilling hole, adjustment pressure
The telescopic mast 354 of guard system is pressed into pulley 350 in open slot 39 pipeline 363 under the effect of spring pressuring plate 353, when pushing away
When into the tail portion of bar 321 locking lantern ring 315 close to pulley 350, stop promoting;
2.3rd step opens classification chuck 335, and two classification card columns 334 for being classified chucks are shunk up and down for control, will be promoted
Bar 321 clamps, it is made to keep stablizing;The piston retaining ring 360 of propelling hydraulic cylinder is rotated, and opens the oil return dress of propelling hydraulic cylinder
Controller is set, makes that end 328 is promoted slowly to move down, and separate with pushing ram 321, when hydraulic drive cylinder moves down into initial position
Afterwards, oil return control valve is closed;
2.4th step installs pushing ram 321 again, and opens the oil inlet valve of hydraulic drive cylinder, keeps pushing ram 321 slow
Rise, when the single hole line socket 31 of second pushing ram 321 is inserted into the single needle connecting plug of first 321 tail portion of pushing ram
After on 317, propelling hydraulic cylinder stops lifting, rotates second pushing ram 321, locks it with first 321 tail portion of pushing ram
Lantern ring 315 carves merging and forms locking state, finally, the classification card column 334 of classification chuck 335 is opened in control, makes pushing ram 321
Under the promotion of propelling hydraulic cylinder, drilling depths is progressed into;
2.5th step, repetitive operation control two points at the drilling country rock of measurement needed for feeler inspection loading system 1 reaches
The classification card column 334 of grade chuck is shunk, and pushing ram 321 is clamped, and by controlling the driver 17 of feeler inspection loading system 1, makes to slide
Block 19 is moved along guide rail 18, opens the protection baffle 13 of feeler inspection loading system 1, exposes single-point load apparatus 11 and video acquisition unit
14, the photographic device of video acquisition unit 14 is opened, the rock mass for needing load test is observed, chooses lithology complete area
For loading, load measurement is carried out by the hydraulic rock mass for making the stretching of single-point load apparatus 11 and measuring needs, is adopted by video
Collection unit 14 is recorded and is stored to rock mass destructive process during loading and damage -form;
2.6th step retracts single-point load apparatus 11 after the completion of selected country rock domain test, and closes protection baffle
13, calculate the point and preliminary examination test point of the wanted load test of country rock in other orientation in same depth same level in the drilling
Between angle;
2.7th step, control system 5 are rotated according to the rotation angle adjustment driving unit 215 of calculating, driving unit
215 drive gear unit 212 to rotate, and detect orientation needed for turning to feeler inspection loading system 1;
2.8th step acquires the relative position of positioning pointer 25 and repetition measurement disk 23 and feeds back to control system 5, control system
5 control display unit of system shows the rotation angle of repetition measurement, and the rotation angle information of repetition measurement is recorded and stored;
2.9th step repeats the operation of feeler inspection loading system 1 during loading, and surrouding rock deformation is broken after completing repetition measurement angle
Load and the testing experiment of deformation when bad, until the country rock data in same level at required Difference angles are tested
Examination is completed, and pushing ram investigation depth is continued growing, and the depth tested needed for reaching carries out relevant operation.
Third step, disassembly Mechanics Parameters of Rock Mass drilling in-situ testing device
After the completion of the test of same drilling different depth country rock, feeler inspection loading system 1 is closed, opens returning for propelling hydraulic cylinder
Oil valve door opens the classification card column 334 of classification chuck, falls single unit system slowly after rise, and dismantles pushing ram 321 section by section, until
Final section disassembly finishes, and pipeline consolidation is recycled;
Aperture support protecting apptss are drop to ground by lifting support, and are disassembled;
The fixed valve 361 promoted on support system universal spherical joint 362 is opened, propelling hydraulic cylinder is recalled to initial position,
Meanwhile pedestal disassembly being placed into external reserve tank;
4th step, data processing
The load and displacement data stored in export loading procedure, processing generate load-displacement curve;It is changed by formula
It calculates, load-displacement curve is converted into load-deformation curve, obtain peak strength and corresponding strain value, while by corresponding
Formula find out other mechanics parameters of rock mass.
Claims (6)
1. a kind of surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device, which is characterized in that it by feeler inspection loading system,
Multi-point sampler rotational positioning system promotes support system, hydraulic loading system and the most of composition of control system five;Wherein:
(1) the feeler inspection loading system described in by single-point load apparatus, video acquisition unit, displacement measurement unit, feeler inspection conehead and is held
Press pedestal composition, in which:
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 propulsion support system, and oil circuit interface is hydraulic with outside
Loading system is connected;The controller is connected with hydraulic loading system;
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;
The feeler inspection conehead is billiard table shape, is exactly that plane is cut at the top of hemisphere;
(2) the multi-point sampler rotational positioning system described in includes Rotation angle location device and repetition measurement calibrating installation: wherein:
The Rotation angle location device includes driving unit, connecting shaft and gear unit, and the driving unit is fixed on anti-
In the internal side wall of shield, driving unit is connected through gear unit with connecting shaft, and the top of connecting shaft and external static(al) touch
Loading device is visited to be connected;
The repetition measurement calibrator (-ter) unit includes positioning pointer, repetition measurement disk and video acquisition display unit, positioning pointer with connect
The top of axis is connected, and repetition measurement disk is set in connecting shaft, and is fixedly connected with the inner sidewall of shield, wherein described fixed
The instruction end position of bit pointer is corresponding with the position of the repetition measurement disk, and the video acquisition display unit for acquiring in real time
The relative position of the positioning pointer and repetition measurement disk is simultaneously shown;
(3) the propulsion support system described in includes propelling drive apparatus, aperture support protecting apptss, pushing ram and pipe pressing device;
Wherein:
The propelling drive apparatus is made of pedestal, universal spherical joint, propelling hydraulic cylinder and pushing ram replacement junction chamber;Propulsion liquid
Cylinder pressure is rotatably connected on pedestal through universal spherical joint, and pushing ram replacement junction chamber is connected with propelling hydraulic cylinder;The propulsion liquid
The piston boit of cylinder pressure, which is equipped with, promotes end, promotes the inside of end to be equipped with hollow interior pillar, the inside of interior pillar is equipped with
Conductive ring, the lateral wall of interior pillar are equipped with columnar projections, second in single needle connecting plug on conductive ring and the aperture body of rod
Conductive pin matches, and columnar projections are matched with the vertical slide rail in single needle connecting plug on the orifice end body of rod;The propulsion
Bar replacement junction chamber is that the outer surface of lever system is being promoted to be arranged with the cylindrical tube being connected with propelling hydraulic cylinder, cylindrical tube
Lower sides be equipped with an opening, pipeline wears in the opening;Multiple groups fixture is also symmetrically equipped on the inner wall of cylindrical tube
Lever system is promoted for clamping, the clamp arm Outer tips of fixture are equipped with the semicircle card slot that can be docked, and semicircle card slot is for clamping pipe
The openings of sizes in road, semicircle card slot is adjustable;
The top of pushing ram replacement junction chamber is arranged in, for the bar at drilling orifice in the aperture support protecting apptss
Body carries out clamp standoff, pipe pressing device is provided with below the support protecting apptss of aperture, for pipeline to be pressed into pushing ram
In the open slot of the body of rod;
The pushing ram is linked by multiple body of rod head and the tail;Multiple open vertically is offered in the outer surface of the body of rod
Mouth slot, oil pipe pipeline can be pressed into inside open slot;Double end single needle conducting wire, double end single needle are equipped in the intracorporal hollow cavity of bar
Conducting wire is to be connected separately with the first conductive pin and the second conductive pin at conducting wire both ends;Single hole company is connected at the top of the body of rod
Line socket, the inside of single hole line socket are equipped with the conductive jack being made of conducting ring, and the first conductive pin is through coil and conduction
Ring is connected;It is symmetrically distributed on the lateral wall of single hole line socket there are two hole slot, spring is installed in each hole slot
Buckle, the tail portion of the clamp button of the spring are connected through spring with the hole slot, and the head of the clamp button of the spring is spherical surface, the list
It is accordingly set on the opening end of needle connecting plug there are four hole channel opening, the clamp button of the spring and the hole channel opening match
It closes, convenient for being connected and disconnected from for single hole line socket and single needle connecting plug;It is connected with single needle connecting plug in the bottom of the body of rod,
Second conductive pin is threaded through from inside to outside on single needle connecting plug, and the second conductive pin is also matched with conductive jack;It is single
The inner wall of needle connecting plug is provided inwardly with symmetrical vertical slide rail along hole channel opening, and vertical slide rail is divided into connecting sliding rail and takes off
It is connected from sliding rail, and between connecting sliding rail and disengaging sliding rail by an oblique sliding rail, three sliding rails form U-shaped circuit, form U-shaped time
The minimum diameter of the sliding rail on road is slightly larger than the maximum outside diameter of clamp button of the spring;Oblique sliding rail and disengaging sliding rail junction are equipped with sliding rail card
Slot, sliding rail card slot hold clamp button of the spring after connecting for single hole line socket with single needle connecting plug, are promoting whole device
With do not rotate in measurement process, be conducive to stability and accuracy;Ring lock is equipped in the outer surface of single hole line socket
Tight groove is equipped with the locking lantern ring that conjunction is mutually carved with annular locking groove in the lower end of single needle connecting plug;
(4) hydraulic loading system described in is used to control hydraulic oil disengaging and realizes load;
(5) control system described in, first is that the driving unit of control Rotation angle location device carries out accurate rotary motion, and
Show the rotation angle of the display unit repetition measurement of repetition measurement calibrator (-ter) unit;Second is that control feeler inspection loading system is in field engineering drilling
Rock mass carries out load test, obtains the load-displacement curve and data of different lithology, different drilling depth rock mass;Third is that control
It promotes support system to be accurately sent to feeler inspection loading system and multi-point sampler rotational positioning system in drilling, realizes different drillings
The load test of depth rock mass;Fourth is that control hydraulic loading system carries out oil-filled and oil return to all oil circuits, whole device is realized
Test to rock mass in drilling.
2. surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device as described in claim 1, which is characterized in that described
The structure of gear unit be: including first to third single-tooth gear, first to the multiple tooth gear of third, the connecting shaft include from
Upper axis, axis and the lower axle being sequentially distributed under above, axis are rotatablely connected with the upper axis and lower axle respectively;Wherein: first is single
Gear is fixedly connected with driving unit, and the first multiple tooth gear is fixedly connected with the lower part of axis, the first single-tooth gear and first
Multiple tooth gear is meshed;Second single-tooth gear is fixed on the top of axis, and the second single-tooth gear is meshed with the second multiple tooth gear;
The multiple tooth gear of third is fixed on axis, and third single-tooth gear is meshed with the multiple tooth gear of third, the second multiple tooth gear and third
It is connected between single-tooth gear by connecting rod, the outer cover of connecting rod is equipped with connector sleeve, and connector sleeve and connecting rod are rotatablely connected,
And connector sleeve is also fixedly connected with shield;Distinguish on the first multiple tooth gear, the second single-tooth gear and the multiple tooth gear of third
Equipped at least one keyway, and the first multiple tooth gear, the second single-tooth gear and the multiple tooth gear of third pass through retainingf key and key
Slot is connected with the lower part of axis, the top of axis and upper axis respectively.
3. surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device as described in claim 1, which is characterized in that described
Aperture support protecting apptss include the fixed frame for being fixed on aperture location, classification chuck, classification sliding rail and internal diameter adjust machine
Structure;The fixed frame is circular ring, is equipped with partition at the bosom position of circular ring;In the two sides pair up and down of partition
Classification chuck is installed with claiming, the center position for being classified chuck is additionally provided with rotary stopper ring, and lever system is promoted to be threaded through rotation
In stop collar;Classification sliding rail is symmetrically provided on the diameter line of classification chuck, classification sliding rail is equipped with classification card column, classification
Card column includes first order card column, second level card column and third level card column, and the first order card column is nested in the card column of the second level, the
Second level card column is nested in the card column of third pole, and the first order to third level card column can be slided along corresponding classification sliding rail;It is described
Internal diameter regulating mechanism include adjust limiting slot and adjust screw, adjust limiting slot be arranged between two neighboring classification card column,
Screw setting is adjusted in adjusting limiting slot, for adjusting the inner diameter size of rotary stopper ring;Above-mentioned classification chuck, rotary stopper
It is equipped with asphalt channel in ring and classification card column, and is additionally provided with oil inlet and oil outlet, the oil inlet on the classification chuck
It is connected with oil outlet with the asphalt channel.
4. surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device as described in claim 1, which is characterized in that described
Pipe pressing device include fixed link, metallic sheath, two pulleys and spring pressuring plate;The fixed link is fixed on above-mentioned aperture branch
Support the lower section of protective device;The metallic sheath, respectively through horizontal displacement regulating mechanism and vertical displacement regulating mechanism with it is above-mentioned
Fixed link is connected, and adjusts metallic sheath level respectively by two regulating mechanisms and moves left and right and vertically move up and down;Metallic sheath
On symmetrically open up there are two be open sliding slot, opening sliding slot it is obliquely outward;Two pulleys, are installed correspondingly
It is slidably connected in opening sliding slot with opening sliding slot, and pulley is corresponding with the open slot of the body of rod, also passes through between two pulleys
Transmission lever is connected, it is desirable that prominent among at the wheel rim of pulley, two sides are recessed inwardly, oil pipe is conducive to be pressed into pushing ram
In the open slot of lateral wall, guard against deviations;The spring pressuring plate, is arranged in the two sides axle portion of each pulley, and spring pressuring plate is used
The pulley is driven to slide after stress along the opening sliding slot.
5. surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device as claimed in claim 4, which is characterized in that described
Horizontal displacement regulating mechanism structure be: including vertical adjustment sliding block, brace and telescopic mast, set in the fixed link of pressure pipe system
There is the vertical chute, one end of brace is slidably connected through vertical adjustment sliding block with the vertical chute, the middle part of the other end and telescopic mast
It is hinged, the both ends of telescopic mast are connected with the metallic sheath of fixed link and pressure pipe system respectively, also set on vertical adjustment sliding block
There is a unlock pressing plate, convenient for locking and unlocking to vertical adjustment sliding block;The vertical displacement regulating mechanism includes sliding
Telescopic mast one end of bearing, horizontal displacement regulating mechanism is slidably connected through the vertical chute of sliding bearing and fixed link.
6. surrounding rock in drilling hole mechanics parameter in-situ test integrated experiment device as described in claim 1, which is characterized in that described
Video acquisition display unit include camera and host display, camera is fixed in positioning pointer, host display point
It is not connected with camera and control system.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108444815A (en) * | 2018-04-25 | 2018-08-24 | 山东科技大学 | Engineering rock mass mechanics parameter drilling in-situ testing device and its application method |
CN112014240A (en) * | 2020-09-01 | 2020-12-01 | 山东科技大学 | Rock mass shearing parameter evaluation method based on in-situ surface single fracture |
-
2018
- 2018-04-25 CN CN201820608135.XU patent/CN208206679U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108444815A (en) * | 2018-04-25 | 2018-08-24 | 山东科技大学 | Engineering rock mass mechanics parameter drilling in-situ testing device and its application method |
CN108444815B (en) * | 2018-04-25 | 2023-06-13 | 山东科技大学 | Drilling in-situ testing device for mechanical parameters of engineering rock mass and using method thereof |
CN112014240A (en) * | 2020-09-01 | 2020-12-01 | 山东科技大学 | Rock mass shearing parameter evaluation method based on in-situ surface single fracture |
CN112014240B (en) * | 2020-09-01 | 2023-11-24 | 山东科技大学 | Rock mass shearing parameter evaluation method based on in-situ surface single fracture |
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