CN110082501A - Geological core spatial attitude restoring means - Google Patents
Geological core spatial attitude restoring means Download PDFInfo
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- CN110082501A CN110082501A CN201910355119.3A CN201910355119A CN110082501A CN 110082501 A CN110082501 A CN 110082501A CN 201910355119 A CN201910355119 A CN 201910355119A CN 110082501 A CN110082501 A CN 110082501A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention discloses a kind of geological core spatial attitude restoring means, the revolving platform that including base station, is rotatably set on base station, the intermediate stage body being rotatably set on revolving platform and it is rotatably set to the rotating chuck for being used to clamp core on intermediate stage body；Being additionally provided on the intermediate stage body can move along rotating chuck axis of rotation direction with the displacement measuring device for measuring rotating chuck axis of rotation to core outer surface each point distance；The axis of rotation of the revolving platform is vertical with the rotation axis of the intermediate stage body, and the axis of rotation of the rotating chuck is vertical with the rotation axis of the intermediate stage body.The present invention has the high feature of the reliable and automatic makeup degree of core spatial attitude accurate recovery, parameter testing precision, is suitable for common non-directional geological core luv space pose recovery, and aids in deep rock mass detecting earth stress and infrastructure analysis.
Description
Technical field
The invention belongs to geology of deep part core test equipment fields more particularly to a kind of geological core spatial attitude to restore dress
It sets.
Background technique
With the continuous consumption of increase and superficial part resource to mineral resources demand, China's future exploitation of mineral resources will
Comprehensively into the deep-seated deposit in energy and disaster (1000-2000m) range, mine deep exploitation will become normality.Deep
Geological core has become various physico-mechanical properties, structure and the construction feature for understanding underground deep rock mass, mineral composition and product
The important evidence of position, depth of stratum and buried depth etc..
However, can not know the original sky of core since most cores are the non-directional core that general geology drilling obtains
Between posture, this defect but significantly limit to deep core efficiently use.For example, being answered using acoustic-emission measurement deep
During power, due to that can not know the dimensional orientation of common core, the understanding to measured zone Deep ground stress state is limited；
Under non-directional state, the structural plane signature analysis of the common core in deep is only limitted to the basic parameters such as structural plane type, density,
Infrastructure feature can not be further analysed in depth based on dimensional orientation.In order to break through the later period playback problem of common core, closely
The innovation of Nian Laiyou Part Methods, but still there are certain limitations.For example, core pose recovery is carried out using paleomagnetic method, it should
Method is only limitted to sedimentary rock；The playback of core later period is carried out using acoustic-electric borehole wall imaging technique, this method test step is complicated, practical
Operation difficulty is big；In addition, there will be the available accuracy of non-directional core surface orientation method, it still needs further improvement.
In order to improve the utility value of deep core, its answering in detecting earth stress and infrastructure analysis field is widened
With, it would be highly desirable to research and development solve the test equipment of general geology core spatial attitude recovery technique problem.
Summary of the invention
The application aims to solve at least one of the technical problems existing in the prior art.For this purpose, an object of the present invention
It is to provide a kind of device that achievable geological core spatial attitude is restored.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
Geological core spatial attitude restoring means, the revolving platform including base station, being rotatably set on base station can be rotated
The intermediate stage body being set on revolving platform and be rotatably set on intermediate stage body for clamping the rotating chuck of core；
Being additionally provided on the intermediate stage body can move along rotating chuck axis of rotation direction to return for measuring rotating chuck
Displacement measuring device of the shaft axis to core outer surface each point distance；
The axis of rotation of the revolving platform is vertical with the rotation axis of the intermediate stage body, the rotating shaft of the rotating chuck
Line is vertical with the rotation axis of the intermediate stage body.
Further, the base station is equipped with the first driving motor for driving revolving platform rotation, on the revolving platform
Equipped with the second driving motor for driving the intermediate stage body rotation, the intermediate stage body is equipped with the of driving rotating chuck rotation
Three driving motors and the linear driving mechanism of driving institute's displacement measurement device movement.
Further, the topography scan instrument for obtaining core face pattern is additionally provided on the intermediate stage body.
Further, the linear driving mechanism includes the drive lead screw and guide rod, sliding setting of spacing side by side setting
4th driving motor of sliding block and driving drive lead screw rotation on the guide rod, the sliding block and the drive lead screw
It is threadedly engaged connection, institute's displacement measurement device and topography scan instrument are set on the sliding block.
Further, the angular transducer of measurement rotating chuck rotational angle, the base are additionally provided on the intermediate stage body
The first indexing circular scale and the first pointer for measuring revolving platform rotational angle are equipped between platform and the revolving platform, it is described
The second indexing circular scale and second for measuring intermediate stage body rotational angle is equipped between revolving platform and the intermediate stage body
Pointer.
Further, the revolving platform is horizontally arranged on the pedestal, is equipped with two root posts on the revolving platform side by side,
The intermediate stage body is erected between two columns by its shaft, and the rotating chuck is set to the intermediate stage body
Middle part.
Further, the intermediate stage body is the cylindrical body that periphery wall is equipped with the second indexing circular scale, the revolving platform
It is equipped with second pointer, the first indexing circular scale is set on the base station, and first pointer is set to described
On revolving platform.
Further, first driving motor, the second driving motor, third driving motor, linear driving mechanism, displacement
Measuring device, angular transducer and topography scan instrument are electrically connected with the control of restoring means and data monitoring system.
Further, institute's displacement measurement device uses grating displacement measuring device, the grating displacement measuring device
Spheric probe and the core appearance face contact.
Further, the central axes of the spheric probe and the rotating chuck axis of rotation are located in same vertical guide.
Further, the rotation axis and the rotating chuck of the axis of rotation of the revolving platform, the intermediate stage body
Axis of rotation intersect at same point.
Further, it is additionally provided with the sliding rail extended towards rotating chuck radial direction on intermediate stage body, slides on the slide rail
Equipped with support slide unit, entire linear driving mechanism is fixedly mounted on support slide unit, and can be intermediate with support slide unit synchronizing moving
To also it support slide unit position into line-locked locking piece on stage body.
Compared with prior art, the invention has the following beneficial effects:
1. spatial attitude accurate recovery；Core is clamped using core rotating chuck, according to deviational survey data (the space side of core
Position data), rotating chuck rotation is driven by revolving platform and halfpace, initial reduction is carried out to core space inclined direction,
On this basis, core upper end is clamped using rotating chuck, keeps core upper surface axis consistent with rotating chuck axis；And then it revolves
Turn core and precise measurement core face each point with respect to the offset of chuck axis, then solves each offset peak point and valley
The corresponding average deflection angle of point, and then make two mark lines；According to core axis and bore hole axis agreement principle and core appearance
State space uniqueness principle compares the parameter with drillhole inclination survey curve, determines two mark lines above and below spatial position
Relationship is further located at two mark lines in vertical guide by chuck revolution, the essence of common core spatial attitude can be realized
Really restore.
2. parameter testing precision is reliable；Using high-precision grating displacement measuring device, topography scan instrument and angular transducer,
It is capable of the axle center offset of accurate measurement core peripheral surface each point and extracts the precise figures image of core face architectural characteristic；
Accurate parameter measurement can ensure the reliability that the original posture reduction in core space and surface texture featur are extracted.
3. plant automation degree is high；The measurement of geological core surface characteristics and position involved in spatial attitude recuperation
The movements such as reduction, core rotation, measuring head movement are all automatically controlled by servo motor, are made so as to effectively exclude human factor
At influence, such as it is non-at the uniform velocity rotation caused by displacement and angle measurement error；And measurement process is further simplified, is saved
About personage power cost.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is linear driving mechanism of the present invention and rotating chuck connection schematic diagram；
Fig. 3 is schematic top plan view of the present invention；
Fig. 4 is present invention control and data monitoring system software interface schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to figures 1-3, a kind of geological core spatial attitude restoring means, including base station 1, rotatably it is set to base station
It revolving platform 2 on 1, the intermediate stage body 3 being rotatably set on revolving platform 2 and is rotatably set on intermediate stage body 3
For clamping the rotating chuck 5 of core 4；Being additionally provided on intermediate stage body 3 can move along 5 axis of rotation direction of rotating chuck to be used for
Displacement measuring device 6 of the measurement chuck axis of rotation to the distance between 4 outer surface each point of core；The axis of rotation of revolving platform 2
Vertical with the rotation axis of intermediate stage body 3, the axis of rotation of rotating chuck 5 is vertical with the intermediate rotation axis of stage body 3.
Specifically, the axis of rotation of revolving platform 2, the intermediate rotation axis of stage body 3 and the axis of rotation phase of rotating chuck 5
Meet at same point.
Using the present embodiment geological core spatial attitude restoring means, core spatial attitude recuperation is as follows: defining rock
Intersection when core intersects with vertical guide at the top of core is 0 degree of reference line, clamps 4 upper end of core using rotating chuck 5, according to
The deviational survey data (space orientation data) of core 4 drive rotating chuck 5 to rotate, to core by revolving platform 2 and halfpace 3
Space inclined direction carries out initial reduction；On this basis, make 4 upper surface axis of core consistent with 5 axis of rotating chuck；In turn
It rotates core 4 and precise measurement core face each point is with respect to the offset of chuck axis, it is inclined to obtain 4 different location cross section of core
Shifting amount peak point and valley point and its corresponding deflection angle, and then make two mark lines；According to core axis and bore hole axis one
Cause property principle and core configuration space uniqueness principle, two mark lines are compared with drillhole inclination survey curve, determine two marks
Remember that line in the upper and lower relation of spatial position, is further located at two mark lines in vertical guide by chuck revolution, can be realized
The accurate recovery of common core spatial attitude.
Referring to Fig. 1, in one embodiment, the base station 1 of the present embodiment restoring means be equipped with that driving revolving platform 2 rotates the
One driving motor 7, revolving platform 2 are equipped with the second driving motor 8 for driving intermediate stage body 3 to rotate, and intermediate stage body 3 is equipped with driving
The third driving motor 10 that the mobile linear driving mechanism 9 of displacement measuring device 6 and driving rotating chuck 5 rotate.This implementation
In example, the movements such as position recovering involved in geological core spatial attitude recuperation, core rotation, measuring head are mobile are all by watching
Motor automatic control is taken, so as to effectively exclude influence caused by human factor, displacement and angle caused by such as non-at the uniform velocity rotation
Spend measurement error etc.；And measurement process is further simplified, personage's power cost has been saved.
To improve measurement accuracy, displacement measuring device 6 uses grating displacement measuring device, the ball of grating displacement measuring device
Shape gauge head 601 and 4 appearance face contact of core, can reach 0.1um using grating displacement measuring device measurement accuracy, survey as displacement
The specific structure for measuring device is the prior art, and details are not described herein.
Referring to Fig. 1, it is contemplated that be designed to when by the central axes of spheric probe 601 and 5 axis of rotation of rotating chuck
The curve definitions formed in core top end face that core 4 connects with vertical guide in same vertical guide, when measurement are deviation angle
Reference line is spent, by above-mentioned setting, when calculating each offset peak point and the corresponding average deflection angle of valley point, is only needed
The average deflection angle that core is rotated backward to above-mentioned calculating compares the parameter with drillhole inclination survey curve, determines wherein
One deflection angle is final deflection angle, directly can be rotated backward core above-mentioned final inclined under the premise of not making mark line
The recovery of core spatial attitude can be realized in corner.
In one embodiment referring to Fig. 1, it is additionally provided on the intermediate stage body of the present embodiment restoring means for obtaining core table
The topography scan instrument 11 of face pattern, the drive shifting synchronous with displacement measuring device 6 that topography scan instrument 11 passes through linear driving mechanism 9
It is dynamic, it is existing equipment, details are not described herein as the specific structure of topography scan instrument 11.
Referring to fig. 2, it should be noted that this gives a kind of specific structures of linear driving mechanism 9, including simultaneously
Arrange spaced drive lead screw 901 and guide rod 902, the sliding block 903 that is slidably arranged on guide rod 902 and driving transmission
The 4th driving motor 904 that screw rod 901 rotates, sliding block 903 is threadedly engaged with drive lead screw 901 and connect, displacement measuring device 6 with
And topography scan instrument 11 is set on sliding block 903, the 4th driving motor 904 is mounted on intermediate stage body 3, and drive lead screw 901 is straight
It connects and is docked with the shaft of the 4th driving motor 904, drive drive lead screw 901 to rotate by the 4th driving motor 904, drive lead screw
Spiral power is converted into sliding block 903 along the sliding force in axial sliding of guide rod 902 by 901, drives sliding block 903 in guide rod 902
On move back and forth.
Referring to Fig. 1 and Fig. 3, in one embodiment, measurement 5 rotational angle of rotating chuck is additionally provided on intermediate stage body 3
Angular transducer 12 is equipped with the first indexing circular scale 13 for measuring 2 rotational angle of revolving platform between base station 1 and revolving platform 2
And first pointer 14, the second indexing for measuring intermediate 3 rotational angle of stage body is equipped between revolving platform 2 and intermediate stage body 3
Circular scale 15 and the second pointer 16.When core palinspastic reconstruction, the rotational angle of revolving platform 2 by the first indexing circular scale 13 with
And first pointer 14 measure, the rotational angle of intermediate stage body 3 by the second indexing circular scale 15 and the second pointer 16 into
Row measurement.
Specifically, revolving platform 2 is horizontally arranged on pedestal 1, it is symmetrically arranged with side by side on revolving platform 2 with revolving platform center of rotation
Two root posts 17, intermediate stage body 3 are erected between two root posts 17 by its shaft, the second driving motor 8 installation and wherein one
It is docked on column 17 and with the shaft of intermediate stage body 3, is additionally provided with stage body 3 among auxiliary drive in the outside of another column 17 and rotates
Manual spoke turntable 18.
Referring to fig. 2, in practical applications, intermediate stage body is cylindrical body, and rotating chuck 5 is by connecting during pedestal 19 is set to
Between stage body 3 central lateral portions, rotating chuck 5 is arranged the positive claw 501 of multiple groups, is used for the long core 4 of coaxial clamping, and rotating chuck 5 is same
Axis is installed on 20 front center of chuck revolving platform on connection pedestal 19, and third driving motor 10 by transmission shaft with being driven back
Turn 5 synchronous rotary of chuck；Angular transducer 12 is placed in the slotting in connection 19 middle section of pedestal, and passes through connecting rod and rotating chuck
5 is coaxially connected, for measuring the rotation angle of rotating chuck 5.
Intermediate stage body 3 is in cylindrical shape, and the second indexing circular scale 15 is arranged on the periphery wall of intermediate stage body 3, and second refers to
Needle 16 is set on column 17 and is directed toward the second indexing circular scale 15, and the first indexing circular scale 13, which is set on base station 1, to be located at back
At the periphery of turntable 2, the first pointer 14 is set on revolving platform 2 and is directed toward the first indexing circular scale 13.
Referring to fig. 2, in one embodiment, the present embodiment restoring means is additionally provided with sliding rail 21, sliding rail on connection pedestal 19
21 extending directions are parallel with 5 radial direction of rotating chuck, and sliding is equipped with support slide unit 22, entire linear driver on sliding rail 21
Structure 9 be fixedly mounted on support slide unit 22 on, and can with support 22 synchronizing moving of slide unit, connection pedestal 19 on be also fixed with by
The locking structure of 22 position of slide unit locking is supported, locking structure can be connect and can band using clamping screw 23 or with support slide unit
Move jacking cylinder or the cylinder etc. of its sliding.Drag chain 24 is parallel to screw rod 901 and guide rod 902 is installed, one end connection sliding block
903, other end connection support slide unit 22, for protecting the data line of extraction in 903 sliding process of sliding block.
First driving motor 7, the second driving motor 8, third driving motor 10, linear driving mechanism 9, displacement measuring device
6, angular transducer 12 and topography scan instrument 11 are electrically connected with the control of restoring means and data monitoring system, control with
Data monitoring system is for the control of each component movement and the collection analysis of measurement parameter, including programmable controller 25 and industry control
Machine 26 is electric control field conventional design, details are not described herein as specific control and Acquisition Circuit.
Control and data monitoring system are by conductor cable 27 through communication and driving interface 28 and the first driving motor 7, the
Two driving motors 8, third driving motor 10 and the 4th driving motor 904 are electrically connected, and are respectively used to control revolving platform 2, centre
Stage body 3 and the revolution of rotating chuck 5 and displacement measuring device 6 slide；Control is passed through with data monitoring system by conductor cable 27
Communication is electrically connected with driving interface 28, drag chain 21 and displacement measuring device 6 and topography scan instrument 11 (topography scan camera), is used
In acquisition and analysis core characteristic parameter；Control is same with driving interface 28 through communication by conductor cable 27 with data monitoring system
Angular transducer 12 is electrically connected, for acquiring the angle displacement parameter of rotating chuck 5.Control is electrically controlled with data monitoring system
While the core 4 that rotating chuck 5 processed is clamped turns round, to angular transducer 12, grating displacement measuring device 6 and topography scan
Instrument 11 executes synchronous data collection, guarantees core rotation angle parameter corresponding relationship synchronous with core characteristic parameter.
Using restoring means of the present invention, to the recovery of core spatial attitude, detailed process is as follows:
Step 1: core clamps；Long 4 upper section of core is packed into rotating chuck 5, by tightening the positive card on rotating chuck 5
Pawl makes a bit of (3cm) core of its holding, is overlapped clamped 4 axis of section core with 5 axis of rotating chuck；
Step 2: displacement measuring device 6 and the adjustment of 11 position of topography scan instrument；Push support slide unit 22 sliding along sliding rail 21
It is dynamic, to adjust the height of displacement measuring device 6 and topography scan instrument 11 relative to core 4, to make 6 dress of pattern displacement measurement
The measuring scale 602 set is retracted 2-5mm displacement, and spherical measuring head 601 is close to 4 surface of core；It determines slide-and-lock after being adjacent to
Bolt 23, which is tightened, supports slide unit 22 with fixed；
Step 3: core spatial position initial reduction；It clicks and controls with the software interface of data monitoring system industrial personal computer (such as
Fig. 4), the deviational survey data (space orientation data) for calculating the core obtained early period are inputted into corresponding orientation and inclination angle (apex angle)
Column, and click parameter locking and walking button；Hereafter, the work of core dimensional orientation reduction base station, the first driving motor 7 drive double
Column is rotated in level orientation, until corresponding azimuth；Second driving motor 8 drives intermediate stage body to rotate in vertical direction, until
Corresponding inclination angle；Complete core spatial position initial reduction；
Step 4: core characteristic parameter measures；Control is clicked with the software interface of data monitoring system industrial personal computer (as schemed
4), start third driving motor 10 and the 4th driving motor 904 respectively drives 5 rotation angle of rotating chuck and measuring head displacement is returned
To zero-bit；Then, position of the setting measuring head relative to core upper surface, and walking button is clicked, the 4th driving motor 904 drives
Dynamic measuring head moves to corresponding position along guide rod；At this point, setting 10 rotation speed of third driving motor, and drive rotating chuck
5 take core 4 turns round since zero-bit, meanwhile, angular transducer 12, grating displacement measuring device 6 are synchronous with topography scan instrument 11
The displacement and topographic data under measurement position core face difference deflection angle are acquired, and synchronous with data monitoring device aobvious by controlling
Show and stores；The above process is repeated, the measuring head of grating displacement measuring device 6 is gradually promoted from core upper end to lower end, according to
Certain intervals measure core characteristic parameter；
Step 5: characteristic parameter is analyzed；Control and data monitoring system are same to angular transducer, grating displacement measuring device
The each group of data that step obtains is analyzed, and obtains displacement peak point and displacement valley point and its corresponding deflection angle, and analyze
Displacement peak point and displacement valley point correspond to the relationship between deflection angle, then solve each displacement peak point and displacement paddy respectively
The corresponding average deflection angle of value point, and the parameter is compared with drillhole inclination survey curve, determine that wherein a deflection angle is final
Deflection angle；
Step 6: core spatial attitude precisely restores and characteristic parameter extraction；The final deflection angle that previous step is obtained
The new location fields (such as Fig. 4) of input control and 3 software interface of data monitoring device, after click location recovery button, chuck revolution
Servo motor 23 drives core 25 to return back at this, and marks line, that is, completes the accurate reduction of core spatial attitude；Herein
On the basis of, according to the 25 surface texture face parameter of core that topography scan camera 33 obtains, core face structural plane can be solved
True occurrence；
Step 7: core parameter utilizes；According to after recovery core spatial attitude and core on marked, can carry out
The work of acoustic-emission core sampling；Meanwhile according to the required true occurrence in formal similarity face, the structure of core position can be carried out
Make analysis work.
Above-described embodiment is only to clearly demonstrate examples made by the present invention, rather than the restriction to embodiment.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.Here without can not be also exhaustive to all embodiments.And the obvious variation or change thus amplified out
It is dynamic to be still in the protection scope of this invention.
Claims (10)
1. geological core spatial attitude restoring means, it is characterised in that: including base station, the rotatable revolution being set on base station
It platform, the rotatably intermediate stage body that is set on revolving platform and is rotatably set to and is used to clamp core on intermediate stage body
Rotating chuck；
Being additionally provided on the intermediate stage body can move along rotating chuck axis of rotation direction for measuring rotating chuck rotating shaft
Displacement measuring device of the line to core outer surface each point distance；
The axis of rotation of the revolving platform is vertical with the rotation axis of the intermediate stage body, the axis of rotation of the rotating chuck with
The rotation axis of the intermediate stage body is vertical.
2. restoring means according to claim 1, it is characterised in that: the base station, which is equipped with, drives the revolving platform rotation
The first driving motor, the revolving platform is equipped with the second driving motor for driving the intermediate stage body rotation, the way station
Body is equipped with the third driving motor of driving rotating chuck rotation and the Linear Driving that driving institute's displacement measurement device is mobile
Mechanism is additionally provided with the angular transducer of measurement rotating chuck rotational angle on the intermediate stage body.
3. restoring means according to claim 2, it is characterised in that: be additionally provided on the intermediate stage body for obtaining core
The topography scan instrument of surface topography.
4. restoring means according to claim 3, it is characterised in that: first driving motor, the second driving motor,
Three driving motors, linear driving mechanism, displacement measuring device, angular transducer and topography scan instrument with the control of restoring means
System is electrically connected with data monitoring system.
5. restoring means according to claim 2, it is characterised in that: the linear driving mechanism includes spacing side by side setting
Drive lead screw and guide rod, the sliding block that is slidably arranged on the guide rod and driving drive lead screw rotation the 4th driving
Motor, the sliding block are threadedly engaged with the drive lead screw and connect, and institute's displacement measurement device and topography scan instrument are set to
On the sliding block.
6. restoring means according to claim 1, it is characterised in that: be equipped with and be used between the base station and the revolving platform
The the first indexing circular scale and the first pointer for measuring revolving platform rotational angle, set between the revolving platform and the intermediate stage body
There are the second indexing circular scale and the second pointer for measuring intermediate stage body rotational angle.
7. restoring means according to claim 6, it is characterised in that: the revolving platform is horizontally arranged on the pedestal,
Two root posts are equipped on the revolving platform side by side, the intermediate stage body is erected between two columns by its shaft, institute
State the middle part that rotating chuck is set to the intermediate stage body.
8. according to the described in any item restoring means of claim 2-7, it is characterised in that: be additionally provided on intermediate stage body towards revolution
The sliding rail that chuck radial direction extends, sliding is equipped with support slide unit on the slide rail, and entire linear driving mechanism is fixedly mounted on branch
It supports on slide unit, and can be with slide unit synchronizing moving is supported, being additionally provided on intermediate stage body will support slide unit position into line-locked locking
Part.
9. restoring means according to claim 1-7, it is characterised in that: institute's displacement measurement device uses grating
Displacement measuring device, the spheric probe of the grating displacement measuring device and the core appearance face contact, the spheric probe
Central axes and the rotating chuck axis of rotation be located in same vertical guide.
10. restoring means according to claim 1-7, it is characterised in that: the axis of rotation of the revolving platform, institute
The axis of rotation of the rotation axis and the rotating chuck of stating intermediate stage body intersects at same point.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111735875A (en) * | 2020-07-21 | 2020-10-02 | 中南大学 | Device and method for measuring radial acoustic characteristics of rock core |
| CN114378334A (en) * | 2022-01-28 | 2022-04-22 | 中建八局第二建设有限公司 | Single operable multi-angle perforating device |
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