CN110132762A - High pressure servo true triaxial rockburst experimental facilities - Google Patents
High pressure servo true triaxial rockburst experimental facilities Download PDFInfo
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- CN110132762A CN110132762A CN201910519675.XA CN201910519675A CN110132762A CN 110132762 A CN110132762 A CN 110132762A CN 201910519675 A CN201910519675 A CN 201910519675A CN 110132762 A CN110132762 A CN 110132762A
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- acting cylinder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
Abstract
The present invention relates to rock burst experimental provision technical field, propose that a kind of high pressure servo true triaxial rockburst experimental facilities, the device include the first to the 6th loading mechanism.First loading mechanism is used to apply load to experimental rock along first direction；For second loading mechanism for applying load to experimental rock in a second direction, second direction is reversed with first direction；Third loading mechanism is used to apply load to experimental rock along third direction, and third direction is vertical with first direction；4th loading mechanism is used to apply load to experimental rock along fourth direction, and fourth direction is reversed with third direction；5th loading mechanism is used to apply load to experimental rock along the 5th direction, and the 5th direction is vertical with first direction, third direction；6th loading mechanism is used to apply load to experimental rock along the 6th direction, and the 6th direction and the 5th direction are reversed.Six loading mechanisms of this equipment can be controlled individually, to realize rock in the independent load of different directions.
Description
Technical field
The present invention relates to rock burst experimental provision technical fields more particularly to a kind of experiment of high pressure servo true triaxial rockburst to set
It is standby.
Background technique
Rock burst is one of the disaster that deep underground engineering faces, increasingly by researchers the problem of about rock burst
Attention, domestic and foreign scholars have carried out a large amount of rock burst experiment and the exploitation of rock burst experimental facilities.In order to more it is true again
Existing Rock-burst in Underground Rock Engineering phenomenon provides experiment basis to live rock burst early warning with this, and exploitation is needed to can satisfy true crustal stress shape
State and the high pressure servo rock burst equipment for excavating caused stress transmission.
Current rock burst experimental provision can only carry out the single side off-load rock burst under dead load or dynamic loading and test, and close
In simulation cave wall rock burst (single side unloading), crosspoint rock burst (two-sided unloading), working face rock under dead load or dynamic loading
The experiment of the rock bursts of types such as quick-fried (unloading of three faces) and rock pillar rock burst (four sides unloads) can't carry out.
It should be noted that the information in the invention of above-mentioned background technology part is only used for reinforcing the reason to background of the invention
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of high pressure servo true triaxial rockburst experimental facilities, the high pressure servo true triaxial rocks
Quick-fried experimental facilities, which solves rock burst experimental provision in the related technology, cannot simulate the cave wall rock burst under dead load or dynamic loading
(single side unloading), crosspoint rock burst (two-sided unloading), working face rock burst (unloading of three faces) and rock pillar rock burst (four sides unloads)
Technical problem.
Other characteristics and advantages of the invention will be apparent from by the following detailed description, or partially by the present invention
Practice and acquistion.
According to the one side of the disclosure, a kind of high pressure servo true triaxial rockburst experimental facilities is provided, the high pressure servo true three
Axis rock burst experimental facilities includes: the first loading mechanism, the second loading mechanism, third loading mechanism, the 4th loading mechanism, slender acanthopanax
Mounted mechanism and the 6th loading mechanism.First loading mechanism is used to apply load to experimental rock along first direction；Second adds
For mounted mechanism for applying load to experimental rock in a second direction, the second direction and the first direction are reversed；Third
Loading mechanism is used to apply load to experimental rock along third direction, and the third direction is vertical with the first direction；The
Four loading mechanisms are used to apply load to experimental rock along fourth direction, and the fourth direction and the third direction are reversed；
5th loading mechanism is used to apply load to experimental rock along the 5th direction, the 5th direction and the first direction, the
Three directions are vertical；6th loading mechanism be used for along the 6th direction to experimental rock apply load, the 6th direction with it is described
5th direction is reversed.
In a kind of exemplary embodiment of the disclosure, the high pressure servo true triaxial rockburst experimental facilities further includes machine
Frame, the rack include: pedestal, sliding frame, fixed frame.Sliding frame is sliding along the first direction and the second direction
It is dynamic to be set on the pedestal, it is used to support first loading mechanism and second loading mechanism；Fixed frame fixation is set
Be placed on the pedestal, be used to support the third loading mechanism, the 4th loading mechanism, the 5th loading mechanism and
6th loading mechanism.
In a kind of exemplary embodiment of the disclosure, the high pressure servo true triaxial rockburst experimental facilities further includes being used for
The carrying plummer to experimental rock, the plummer are slideably positioned on the pedestal.
In a kind of exemplary embodiment of the disclosure, the high pressure servo true triaxial rockburst experimental facilities further includes folder
Tool, fixture are fixedly installed on the plummer, have the clamping accommodation space to experimental rock；Wherein, the fixture
On offer the threaded hole for being connected to the accommodation space, the fixture further includes the bolt for matching the threaded hole setting, described
The end of thread of bolt is provided with elastic component.
In a kind of exemplary embodiment of the disclosure, first loading mechanism include: the first telescopic double acting cylinder,
First pressing plate, the first swing arm, the first swing arm oil cylinder, the first load transducer, the first displacement sensor.First telescopic double acting
The cylinder body end of cylinder is fixedly connected with the sliding frame；The first end of first pressing plate is telescopic double with described first by a bulb
The universal connection of the piston end of acting cylinder；The second end of the first end of first swing arm and first pressing plate the 5th direction,
6th direction is slidably connected, and second end is used to apply load to experimental rock to described；First swing arm oil cylinder is for driving
First swing arm is moved along the 5th direction and the 6th direction；It is flexible that first load transducer is set to described first
The piston end of formula double acting cylinder, for detecting to the load to experimental rock；First displacement sensor is set to described
The piston end of one telescopic double acting cylinder is used to detect the displacement of the described first telescopic double acting cylinder piston end；Wherein, described
The first end and the scalable connection of second end of first swing arm, and spring is socketed between the both ends of first swing arm.
In a kind of exemplary embodiment of the disclosure, second loading mechanism include: the second telescopic double acting cylinder,
Second pressing plate, the second swing arm, the second swing arm oil cylinder, the second load transducer, second displacement sensor.Second telescopic double acting
The cylinder body end of cylinder is fixedly connected with the sliding frame；The first end of second pressing plate is telescopic double with described second by a bulb
The universal connection of the piston end of acting cylinder；The second end of the first end of second swing arm and second pressing plate the 5th direction,
6th direction is slidably connected, and second end is used to apply load to experimental rock to described；Second swing arm oil cylinder is for driving
Second swing arm is moved along the 5th direction and the 6th direction；It is flexible that second load transducer is set to described second
The piston end of formula double acting cylinder, for detecting to the load to experimental rock；Second displacement sensor is set to described
The piston end of two telescopic double acting cylinders is used to detect the displacement of the described second telescopic double acting cylinder piston end；Wherein, described
The first end and the scalable connection of second end of second swing arm, and spring is socketed between the both ends of second swing arm.
In a kind of exemplary embodiment of the disclosure, the third loading mechanism include: the telescopic double acting cylinder of third,
Third pressing plate, third swing arm, third swing arm oil cylinder, third load transducer, third displacement sensor, third disturbance oil cylinder, the
Three disturbance pressing plates.The cylinder body end of the telescopic double acting cylinder of third is fixedly connected with the fixed frame；The first end of third pressing plate
Pass through the universal connection of piston end of a bulb and the telescopic double acting cylinder of the third；The first end of third swing arm and the third
The second end of pressing plate is slidably connected in the 5th direction, the 6th direction, and second end to described to experimental rock for applying
Load lotus；Third swing arm oil cylinder is for driving the third swing arm to move along the 5th direction and the 6th direction；Third
Load transducer is set to the piston end of the telescopic double acting cylinder of the third, for detecting to the load to experimental rock
Lotus；The piston end that third displacement sensor is set to the telescopic double acting cylinder of the third is telescopic double for detecting the third
The displacement of acting cylinder piston end；The first end of third disturbance pressing plate is fixedly connected with the first end of the third swing arm；Third is disturbed
The cylinder body end of dynamic oil cylinder is fixedly connected with the fixed frame, and piston end disturbs that the second end of pressing plate is opposite to be set with the third
It sets；Wherein, the first end of the third swing arm and the scalable connection of second end, and be socketed between the both ends of the third swing arm
Spring.
In a kind of exemplary embodiment of the disclosure, the 4th loading mechanism include: the 4th telescopic double acting cylinder,
4th pressing plate, the 4th swing arm, the 4th swing arm oil cylinder, the 4th load transducer, the 4th displacement sensor.4th telescopic double acting
The cylinder body end of cylinder is fixedly connected with the fixed frame；The first end of 4th pressing plate is telescopic double with the described 4th by a bulb
The universal connection of the piston end of acting cylinder；The second end of the first end of 4th swing arm and the 4th pressing plate the 5th direction,
6th direction is slidably connected, and second end is used to apply load to experimental rock to described；4th swing arm oil cylinder is for driving
4th swing arm is moved along the 5th direction and the 6th direction；It is flexible that 4th load transducer is set to the described 4th
The piston end of formula double acting cylinder, for detecting to the load to experimental rock；4th displacement sensor is set to described
The piston end of four telescopic double acting cylinders is used to detect the displacement of the described 4th telescopic double acting cylinder piston end；Wherein, described
The first end and the scalable connection of second end of 4th swing arm, and spring is socketed between the both ends of the 4th swing arm.
In a kind of exemplary embodiment of the disclosure, the 5th loading mechanism include: the 5th telescopic double acting cylinder,
5th pressing plate, the 5th transmission rod, the 5th load transducer, the 5th displacement sensor.The cylinder body end of 5th telescopic double acting cylinder
It is fixedly connected with the fixed frame；The first end of 5th pressing plate passes through the work of a bulb and the 5th telescopic double acting cylinder
Fill in the universal connection in end；The first end of 5th transmission rod is connect with the second end of the 5th pressing plate, second end be used for it is described to
Experimental rock applies load；5th load transducer is set to the piston end of the 5th telescopic double acting cylinder, for detecting
To the load to experimental rock；The piston end that 5th displacement sensor is set to the 5th telescopic double acting cylinder is used for
Detect the displacement of the described 5th telescopic double acting cylinder piston end.
In a kind of exemplary embodiment of the disclosure, the 6th loading mechanism include: the 6th telescopic double acting cylinder,
6th pressing plate, the 6th transmission rod, the 6th load transducer, the 6th displacement sensor, the 6th disturbance pressing plate, the 6th disturbance oil cylinder.
The cylinder body end of 6th telescopic double acting cylinder is fixedly connected with the fixed frame；The first end of 6th pressing plate by a bulb with
The universal connection of piston end of the 6th telescopic double acting cylinder；The second of the first end of 6th transmission rod and the 6th pressing plate
End connection, second end are used to apply load to experimental rock to described；It is telescopic that 6th load transducer is set to the described 6th
The piston end of double acting cylinder, for measuring to the load to experimental rock；6th displacement sensor is set to the described 6th
The piston end of telescopic double acting cylinder is used to detect the displacement of the described 6th telescopic double acting cylinder piston end；6th disturbance pressing plate
First end be fixedly connected with the first end of the 6th transmission rod；The cylinder body end of 6th disturbance oil cylinder and the fixed frame are solid
The second end of fixed connection, piston end and the 6th disturbance pressing plate is oppositely arranged.
In a kind of exemplary embodiment of the disclosure, sliding frame includes: the first slider box, the second slider box and extremely
A few reinforcing rod.First slider box is slideably positioned on the pedestal along the first direction and the second direction, with institute
The cylinder body end for stating the first telescopic double acting cylinder is fixedly connected；Second slider box is sliding along the first direction and the second direction
It is dynamic to be set on the pedestal, it is fixedly connected with the cylinder body end of the described second telescopic double acting cylinder；At least one reinforcing rod is set
It is placed between the first carriage and the second carriage.
The disclosure proposes that a kind of high pressure servo true triaxial rockburst experimental facilities, the device include the first to the 6th load machine
Structure.First loading mechanism is used to apply load to experimental rock along first direction；Second loading mechanism is in a second direction
Apply load to experimental rock, second direction is reversed with first direction；Third loading mechanism is used for along third direction to reality
It tests rock and applies load, third direction is vertical with first direction；4th loading mechanism is used for along fourth direction to experimental rock
Apply load, fourth direction is reversed with third direction；5th loading mechanism is used to apply load to experimental rock along the 5th direction
Lotus, the 5th direction are vertical with first direction, third direction；6th loading mechanism along the 6th direction to experimental rock for applying
Load, the 6th direction and the 5th direction are reversed.On the one hand, the rock burst experimental provision that the disclosure provides can be by individually controlling not
Same loading mechanism realizes that the multi-panel to experimental rock unloads experiment.On the other hand, the apparatus structure is simple, cost is relatively low.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of exemplary embodiment of disclosure high pressure servo true triaxial rockburst experimental facilities；
Fig. 2 is the sectional view in the direction A-A in Fig. 1；
Fig. 3 is the sectional view in the direction B-B in Fig. 1.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be real in a variety of forms
It applies, and is not understood as limited to example set forth herein；On the contrary, these embodiments are provided so that the present invention will more comprehensively and
Completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical appended drawing reference indicates in figure
Same or similar structure, thus the detailed description that them will be omitted.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As the component in "lower".Term of other relativities, such as "high" " low " "top" "bottom" " left side " " right side " etc. are also made to have similar
Meaning.When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain structure
It is " direct " to be arranged in other structures, or refer to that certain structure is arranged in other structures by the way that another structure is " indirect ".
Term "one", " one ", " described " to indicate there are one or more elements/component part/etc.；Term " packet
Include " and " having " to indicate the open meaning being included and refer to that the element/component part/in addition to listing waits it
Outside also may be present other element/component part/etc..
The present exemplary embodiment provides a kind of high pressure servo true triaxial rockburst experimental facilities first, as shown in Figure 1, 2, 3, figure
1 is a kind of structural schematic diagram of exemplary embodiment of disclosure high pressure servo true triaxial rockburst experimental facilities；Fig. 2 is A-A in Fig. 1
The sectional view in direction；Fig. 3 is the sectional view in the direction B-B in Fig. 1.The high pressure servo true triaxial rockburst experimental facilities includes: first
Loading mechanism, the second loading mechanism, third loading mechanism, the 4th loading mechanism, the 5th loading mechanism and the 6th loading mechanism.
First loading mechanism is used to apply load to experimental rock 0 along first direction X；Second loading mechanism in a second direction to
Apply load to experimental rock 0, the second direction and the first direction X are reversed；Third loading mechanism is used for along third party
Wait for that experimental rock applies load to Y-direction, the third direction Y is vertical with the first direction X；4th loading mechanism is used for along the
Four directions apply load to experimental rock, and the fourth direction and the third direction Y are reversed；5th loading mechanism is used for edge
5th direction Z-direction waits for that experimental rock applies load, and the 5th direction Z is vertical with the first direction X, third direction Y；6th
Loading mechanism is used to apply load to experimental rock along the 6th direction, and the 6th direction and the 5th direction Z are reversed.
The disclosure proposes that a kind of high pressure servo true triaxial rockburst experimental facilities, the device include the first to the 6th load machine
Structure.First loading mechanism is used to apply load to experimental rock along first direction X；Second loading mechanism is in a second direction
Apply load to experimental rock, second direction and first direction X are reversed；Third loading mechanism along third direction Y-direction for waiting for
Experimental rock applies load, and third direction Y is vertical with first direction X；4th loading mechanism is used for along fourth direction to wait test
Rock applies load, and fourth direction and third direction Y are reversed；5th loading mechanism is used to wait for experimental rock along the 5th direction Z-direction
Apply load, the 5th direction Z is vertical with first direction X, third direction Y；6th loading mechanism is used for along the 6th direction to reality
It tests rock and applies load, the 6th direction and the 5th direction Z are reversed.On the one hand, the rock burst experimental provision that the disclosure provides can lead to
Cross the multi-panel unloading experiment for individually controlling different loading mechanism realizations to experimental rock.On the other hand, the apparatus structure it is simple,
Cost is relatively low.
In the present exemplary embodiment, the high pressure servo true triaxial rockburst experimental facilities further includes rack 7, the rack 7
It include: pedestal 71, sliding frame 72, fixed frame 73.Sliding frame 72 is slided along the first direction X and the second direction
It is set on the pedestal 71, is used to support first loading mechanism and second loading mechanism；Fixed frame 73 is fixed
It is set on the pedestal 71, is used to support the third loading mechanism, the 4th loading mechanism, the 5th loading mechanism
And the 6th loading mechanism.
In the present exemplary embodiment, sliding frame may include: the first slider box 721, the second slider box 722 and at least
One reinforcing rod 723.First slider box 721 is slideably positioned in the pedestal 71 along the first direction X and the second direction
On；Second slider box 722 is slideably positioned on the pedestal 71 along the first direction X and the second direction.Reinforcing rod 723
Sliding frame overall stiffness can be increased.In addition, fixed frame 73 can also use high rigidity frame.So that the high pressure is watched
Taking true triaxial rockburst experimental facilities may be implemented to treat the high pressure load experiment of experimental rock.Specifically, the rigidity of rack can be with
For 10GN/m.
In the present exemplary embodiment, the high pressure servo true triaxial rockburst experimental facilities further includes described to reality for carrying
The plummer 8 of rock 0 is tested, the plummer 8 is slideably positioned on the pedestal 71, to facilitate the handling to experimental rock.This
Outside, the plummer 8, which is slideably positioned on the pedestal 71, to be realized using active force and reaction force principle wait test
The loading force of rock in the first direction and a second direction is equal in magnitude.
Specifically, sliding slot can be set on pedestal 71,8 bottom of plummer be can be set in the cunning of sliding slot matching setting
Ruler, to realize being slidably connected for plummer 8 and pedestal 71.
In the present exemplary embodiment, the high pressure servo true triaxial rockburst experimental facilities further includes fixture, and fixture fixation is set
It is placed on the plummer, there is the clamping accommodation space to experimental rock；Wherein, connection institute is offered on the fixture
The threaded hole of accommodation space is stated, the fixture further includes the bolt for matching the threaded hole setting, and the end of thread of the bolt is set
It is equipped with elastic component.
In the present exemplary embodiment, first loading mechanism may include: that the first telescopic double acting cylinder 11, first is pressed
Plate 12, the first swing arm 13, the first swing arm oil cylinder 14, the first load transducer 15, the first displacement sensor 16.First is telescopic double
The cylinder body end of acting cylinder 11 is fixedly connected with first slider box 721；The first end of first pressing plate 12 by a bulb 17 with
The universal connection of piston end of the first telescopic double acting cylinder 11；The first end of first swing arm 13 and first pressing plate 12
Second end is slidably connected in the 5th direction Z, the 6th direction, and second end is used to carry to described apply to experimental rock 0
Lotus；First swing arm oil cylinder 14 is for driving first swing arm 13 to move along the 5th direction Z and the 6th direction；First
Load transducer 15 is set to the piston end of the described first telescopic double acting cylinder 11, for what is measured to described to experimental rock
Load；The piston end that first displacement sensor 16 is set to the described first telescopic double acting cylinder 11 is stretched for detecting described first
The displacement of contracting formula double acting cylinder piston end；Wherein, the first end of first swing arm and the scalable connection of second end, and described the
Spring 18 is socketed between the both ends of one swing arm.
In the present exemplary embodiment, the first telescopic double acting cylinder 11 can be generated its piston end to first direction or
The active force in two directions, the experimental provision can by a servo electromagnetic valve to the first reversed fuel feeding of telescopic double acting cylinder 11,
So that the piston end of the first telescopic double acting cylinder 11 is fast moved to second direction, to realize that the first loading mechanism treats reality
Test the fast discharging of rock.In addition, having the function of when the first telescopic double acting cylinder 11 treats experimental rock along first direction
When power, the first swing arm 13 is shunk, and is socketed in the spring 18 on the outside of the first swing arm and is in compressive state, when the first telescopic double acting
When cylinder 11 passes through a servo electromagnetic valve to its reversed fuel feeding, which can act on the work of the first telescopic double acting cylinder 11
End is filled in, to further speed up the discharge rate that the first loading mechanism treats experimental rock.The first end of first pressing plate 12 passes through
The universal connection of piston end of one bulb 17 and the described first telescopic double acting cylinder 11, can make the first telescopic double acting cylinder
11 power for acting on the first swing arm can be with adjust automatically, so that the first telescopic double acting cylinder 11 is along first direction to first
Swing arm applies active force.First swing arm oil cylinder 14 can drive first swing arm 13 along the 5th direction Z and the described 6th
Direction is mobile, to realize that the first swing arm 13 is adjusted upward in the 5th direction Z and the 6th side, to facilitate adjustment to treat experiment
The position of the applied force of rock, in addition, the first swing arm oil cylinder 14 can be when the first loading mechanism unloads, by adjusting the first pendulum
The moment that arm 13 further realizes the first loading mechanism with the relative positional relationship to experimental rock unloads.Wherein, the first swing arm
Oil cylinder 14 also can may include the two single-acting formula oil cylinders composition being oppositely arranged for telescopic two-way cylinder.
In the present exemplary embodiment, the first load transducer 15 can acquire in real time the first telescopic double acting cylinder 11 to
The stress that experimental rock 0 applies.First displacement sensor 16 can be acquired to experimental rock 0 in real time under above-mentioned stress
Strain.First load transducer 15 and the stress and strain data of the first displacement sensor 16 acquisition can be for transmission to a control systems
System, the control system can realize closed-loop control to the first loading mechanism.For example, the control system can pass through above-mentioned servo
Solenoid valve realization applies stressed control to the first loading mechanism.
In the present exemplary embodiment, second loading mechanism may include: that the second telescopic double acting cylinder 21, second is pressed
Plate 22, the second swing arm 23, the second swing arm oil cylinder 24, the second load transducer 25, second displacement sensor 26.Second is telescopic double
The cylinder body end of acting cylinder 21 is fixedly connected with second slider box 722；The first end of second pressing plate 22 by a bulb 27 with
The universal connection of piston end of the second telescopic double acting cylinder 21；The first end of second swing arm 23 and second pressing plate 22
Second end is slidably connected in the 5th direction Z, the 6th direction, and second end is used to carry to described apply to experimental rock 0
Lotus；Second swing arm oil cylinder 24 is for driving second swing arm 23 to move along the 5th direction Z and the 6th direction；Second
Load transducer 25 is set to the piston end of the described second telescopic double acting cylinder 21, for what is detected to described to experimental rock
Load；The piston end that second displacement sensor is set to the described second telescopic double acting cylinder is telescopic for detecting described second
The displacement of double acting cylinder piston end；Wherein, the first end of second swing arm and the scalable connection of second end, and second pendulum
Spring 28 is socketed between the both ends of arm.
In the present exemplary embodiment, the second telescopic double acting cylinder 21 can be generated its piston end to first direction or
The active force in two directions, the experimental provision can by a servo electromagnetic valve to the second reversed fuel feeding of telescopic double acting cylinder 21,
So that the piston end of the second telescopic double acting cylinder 21 is fast moved to first direction, to realize that the second loading mechanism treats reality
Test the fast discharging of rock.In addition, having the function of in a second direction when the second telescopic double acting cylinder 21 treats experimental rock
When power, the second swing arm 23 is shunk, and is socketed in the spring 28 on the outside of the second swing arm and is in compressive state, when the second telescopic double acting
When cylinder 21 passes through a servo electromagnetic valve to its reversed fuel feeding, which can act on the work of the second telescopic double acting cylinder 21
End is filled in, to further speed up the discharge rate that the second loading mechanism treats experimental rock.The first end of second pressing plate 22 passes through
The universal connection of piston end of one bulb 27 and the described second telescopic double acting cylinder 21, can make the second telescopic double acting cylinder
21 power for acting on the second swing arm can be with adjust automatically, so that the second telescopic double acting cylinder 21 is in a second direction to second
Swing arm applies active force.Second swing arm oil cylinder 24 can drive second swing arm 23 along the 5th direction Z and the described 6th
Direction is mobile, to realize that the second swing arm 23 is adjusted upward in the 5th direction Z and the 6th side, to facilitate adjustment to treat experiment
The position of the applied force of rock.Wherein, the cylinder body end of the second swing arm oil cylinder 24 can be set in rack, and piston end and second is put
Arm connection.In addition, the second swing arm oil cylinder can be when the second loading mechanism unloads, by adjusting the second swing arm and to experimental rock
Relative positional relationship further realize the second loading mechanism moment unloading.
In the present exemplary embodiment, the second load transducer 25 can acquire in real time the second telescopic double acting cylinder 21 to
The stress that experimental rock 0 applies.Second displacement sensor 26 can be acquired to experimental rock 0 in real time under above-mentioned stress
Strain.The stress and strain data that second load transducer 25 and second displacement sensor 26 acquire can be for transmission to above-mentioned control
System, the control system can realize closed-loop control to the second loading mechanism.For example, the control system can pass through servo electricity
Magnet valve realization applies stressed control to the second loading mechanism.
In the present exemplary embodiment, the third loading mechanism may include: the telescopic double acting cylinder 31 of third, third pressure
Plate 32, third swing arm 33, third swing arm oil cylinder 34, third load transducer 35, third displacement sensor 36, third disturb oil cylinder
37, third disturbs pressing plate 38.The cylinder body end of the telescopic double acting cylinder 31 of third is fixedly connected with the fixed frame；Third pressing plate
The universal connection of piston end that 32 first end passes through a bulb 39 and the telescopic double acting cylinder 31 of the third；Third swing arm 33
First end and the second end of the third pressing plate are slidably connected in the 5th direction Z, the 6th direction, second end be used for
It is described to apply load to experimental rock 0；Third swing arm oil cylinder 34 is for driving the third swing arm along the 5th direction Z and institute
It is mobile to state the 6th direction；Third load transducer 35 is set to the piston end of the telescopic double acting cylinder of the third, for detecting
To the load to experimental rock；The piston end that third displacement sensor 36 is set to the telescopic double acting cylinder of the third is used
In the displacement for detecting the telescopic double acting cylinder piston end of third；Third disturbs the first end and the third swing arm of pressing plate 38
First end be fixedly connected；The cylinder body end of third disturbance oil cylinder is fixedly connected with the fixed frame, piston end and the third
The second end of disturbance pressing plate is oppositely arranged；Wherein, the first end of the third swing arm and the scalable connection of second end, and described the
Spring 310 is socketed between the both ends of three swing arms.
In the present exemplary embodiment, the telescopic double acting cylinder 31 of third can be generated its piston end to third direction or
The active force in four directions, the experimental provision can by a servo electromagnetic valve to the reversed fuel feeding of the telescopic double acting cylinder of third 31,
So that the piston end of the telescopic double acting cylinder 31 of third is fast moved to fourth direction, to realize that third loading mechanism treats reality
Test the fast discharging of rock.In addition, having the function of when the telescopic double acting cylinder 31 of third treats experimental rock along third direction
When power, third swing arm 33 is shunk, and is socketed in the spring 310 on the outside of third swing arm and is in compressive state, when the telescopic double cropping of third
When passing through a servo electromagnetic valve to its reversed fuel feeding with cylinder 31, which can act on the telescopic double acting cylinder 31 of third
Piston end, to further speed up the discharge rate that third loading mechanism treats experimental rock.The first end of third pressing plate 32
By the universal connection of piston end of a bulb 39 and the telescopic double acting cylinder 31 of the third, the telescopic double cropping of third can be made
It can be with adjust automatically, so that the telescopic double acting cylinder of third 31 is along third direction with the power that cylinder 31 acts on third swing arm 33
Apply active force to third swing arm.Third swing arm oil cylinder 34 can drive the third swing arm 33 along the 5th direction Z and institute
It is mobile to state the 6th direction, to realize that third swing arm 33 is adjusted upward in the 5th direction Z and the 6th side, to facilitate adjustment pair
The position of applied force to experimental rock.Wherein, the cylinder body end of third swing arm oil cylinder 34 can be set in rack, piston end with
Third swing arm connection.In addition, third swing arm oil cylinder can be when third loading mechanism unloads, by adjusting third swing arm and to reality
The relative positional relationship for testing rock further realizes the moment unloading of third loading mechanism.
In the present exemplary embodiment, third load transducer 35 can acquire in real time the telescopic double acting cylinder 31 of third to
The stress that experimental rock 0 applies.Third displacement sensor 36 can be acquired to experimental rock 0 in real time under above-mentioned stress
Strain.The stress and strain data that third load transducer 35 and third displacement sensor 36 acquire can be for transmission to above-mentioned control
System, the control system can realize closed-loop control to third loading mechanism.For example, the control system can pass through servo electricity
Magnet valve realization applies stressed control to third loading mechanism.
In this illustrative examples, the telescopic double acting cylinder 31 of third be can be set along its axial aperture, third disturbance
Oil cylinder 37 can be set in the through-hole.While the telescopic double acting cylinder 31 of third is to experimental rock application load,
Third, which disturbs oil cylinder 37, can apply disturbing load to experimental rock by third disturbance pressing plate 38, so as to simulate rock mass
The experiment of rock burst is induced under dynamic load effect.Wherein, third disturbance pressing plate 38 can pass through a transmission rod 311 and third swing arm
First end be fixedly connected.
In the present exemplary embodiment, the 4th loading mechanism may include: that the 4th telescopic double acting cylinder the 41, the 4th is pressed
Plate 42, the 4th swing arm 43, the 4th swing arm oil cylinder 44, the 4th load transducer 45, the 4th displacement sensor 46.4th is telescopic double
The cylinder body end of acting cylinder is fixedly connected with the fixed frame；The first end of 4th pressing plate is stretched by a bulb 47 with the described 4th
The universal connection of piston end of contracting formula double acting cylinder；The first end of 4th swing arm and the second end of the 4th pressing plate are the described 5th
Direction Z, the 6th direction are slidably connected, and second end is used to apply load to experimental rock to described；4th swing arm oil cylinder is used
It is moved in driving the 4th swing arm along the 5th direction Z and the 6th direction；4th load transducer is set to described
The piston end of 4th telescopic double acting cylinder, for detecting to the load to experimental rock；The setting of 4th displacement sensor
It is used to detect the displacement of the described 4th telescopic double acting cylinder piston end in the piston end of the 4th telescopic double acting cylinder；Its
In, the first end and the scalable connection of second end of the 4th swing arm, and spring is socketed between the both ends of the 4th swing arm
48。
In the present exemplary embodiment, the 4th telescopic double acting cylinder 41 can be generated its piston end to third direction or
The active force in four directions, the experimental provision can by a servo electromagnetic valve to the 4th reversed fuel feeding of telescopic double acting cylinder 41,
So that the piston end of the 4th telescopic double acting cylinder 41 is fast moved to third direction, to realize that the 4th loading mechanism treats reality
Test the fast discharging of rock.In addition, having the function of when the 4th telescopic double acting cylinder 41 treats experimental rock along fourth direction
When power, the 4th swing arm 43 is shunk, and is socketed in the spring 48 on the outside of the 4th swing arm and is in compressive state, when the 4th telescopic double acting
When cylinder 41 passes through a servo electromagnetic valve to its reversed fuel feeding, which can act on the work of the 4th telescopic double acting cylinder 41
End is filled in, to further speed up the discharge rate that the 4th loading mechanism treats experimental rock.The first end of 4th pressing plate 42 passes through
The universal connection of piston end of one bulb 47 and the described 4th telescopic double acting cylinder 41, can make the 4th telescopic double acting cylinder
41 power for acting on the 4th swing arm 43 can be with adjust automatically, so that the 4th telescopic double acting cylinder 41 is along fourth direction to
Four swing arms apply active force.4th swing arm oil cylinder 44 can drive the 4th swing arm 43 along the 5th direction Z and described
Six directions are mobile, to realize that the 4th swing arm 43 is adjusted upward in the 5th direction Z and the 6th side, to facilitate adjustment to treat reality
Test the position of the applied force of rock.Wherein, the cylinder body end of the 4th swing arm oil cylinder 44 can be set in rack, piston end and third
Swing arm connection.In addition, the 4th swing arm oil cylinder can be when the 4th loading mechanism unloads, by adjusting the 4th swing arm and rock to be tested
The relative positional relationship of stone further realizes the moment unloading of the 4th loading mechanism.
In the present exemplary embodiment, the 4th load transducer 45 can acquire in real time the 4th telescopic double acting cylinder 41 to
The stress that experimental rock 0 applies.4th displacement sensor 46 can be acquired to experimental rock 0 in real time under above-mentioned stress
Strain.4th load transducer 45 and the stress and strain data of the 4th displacement sensor 46 acquisition can be for transmission to above-mentioned controls
System, the control system can realize closed-loop control to the 4th loading mechanism.For example, the control system can pass through servo electricity
Magnet valve realization applies stressed control to the 4th loading mechanism.
In the present exemplary embodiment, the 5th loading mechanism may include: that the 5th telescopic double acting cylinder the 51, the 5th is pressed
Plate 52, the 5th transmission rod 53, the 5th load transducer 54, the 5th displacement sensor 55.The cylinder body of 5th telescopic double acting cylinder
End is fixedly connected with the fixed frame；The first end of 5th pressing plate passes through a bulb 56 and the 5th telescopic double acting cylinder
The universal connection of piston end；The first end of 5th transmission rod is connect with the second end of the 5th pressing plate, and second end is used for institute
It states and applies load to experimental rock；5th load transducer is set to the piston end of the 5th telescopic double acting cylinder, is used for
It detects to the load to experimental rock；5th displacement sensor is set to the piston end of the 5th telescopic double acting cylinder
For detecting the displacement of the described 5th telescopic double acting cylinder piston end.
In the present exemplary embodiment, the 5th telescopic double acting cylinder 51 can be generated its piston end to the 6th direction or
The active force in five directions, the experimental provision can by a servo electromagnetic valve to the 5th reversed fuel feeding of telescopic double acting cylinder 51,
So that the piston end of the 5th telescopic double acting cylinder 51 is fast moved to the 6th direction, to realize that the 5th loading mechanism treats reality
Test the fast discharging of rock.The work that the first end of 5th pressing plate 52 passes through a bulb 56 and the described 5th telescopic double acting cylinder 51
Fill in the universal connection in end, can make the 5th telescopic double acting cylinder 51 act on the 5th transmission rod 53 power can with adjust automatically,
So that the 5th telescopic double acting cylinder 51 applies active force to the 5th transmission rod 53 along the 5th direction.
In the present exemplary embodiment, the 5th load transducer 54 can acquire in real time the 5th telescopic double acting cylinder 51 to
The stress that experimental rock 0 applies.5th displacement sensor 55 can be acquired to experimental rock 0 in real time under above-mentioned stress
Strain.5th load transducer 54 and the stress and strain data of the 5th displacement sensor 55 acquisition can be for transmission to above-mentioned controls
System, the control system can realize closed-loop control to the 5th loading mechanism.For example, the control system can pass through servo electricity
Magnet valve realizes the control for applying pressure to the 5th loading mechanism.
In the present exemplary embodiment, the 6th loading mechanism includes: the 6th telescopic double acting cylinder 61, the 6th pressing plate
62, the 6th transmission rod 63, the 6th load transducer 64, the 6th displacement sensor the 65, the 6th disturbance pressing plate the 66, the 6th disturb oil cylinder
67.The cylinder body end of 6th telescopic double acting cylinder is fixedly connected with the fixed frame；The first end of 6th pressing plate passes through a ball
First 68 with the universal connection of piston end of the 6th telescopic double acting cylinder；The first end of 6th transmission rod and the 6th pressing plate
Second end connection, second end be used for it is described to experimental rock apply load；6th load transducer is set to the described 6th
The piston end of telescopic double acting cylinder, for detecting to the load to experimental rock；6th displacement sensor is set to institute
The piston end for stating the 6th telescopic double acting cylinder is used to detect the displacement of the described 6th telescopic double acting cylinder piston end；6th disturbs
The first end of dynamic pressure plate is fixedly connected with the first end of the 6th transmission rod；The cylinder body end and the fixation of 6th disturbance oil cylinder
Frame is fixedly connected, and the second end of piston end and the 6th disturbance pressing plate is oppositely arranged.
In the present exemplary embodiment, the 6th telescopic double acting cylinder 61 can be generated its piston end to the 5th direction or
The active force in six directions, the experimental provision can by a servo electromagnetic valve to the 6th reversed fuel feeding of telescopic double acting cylinder 61,
So that the piston end of the 6th telescopic double acting cylinder 61 is fast moved to the 5th direction, to realize that the 6th loading mechanism treats reality
Test the fast discharging of rock.The work that the first end of 6th pressing plate 62 passes through a bulb 68 and the described 6th telescopic double acting cylinder 61
Fill in the universal connection in end, can make the 6th telescopic double acting cylinder 61 act on the 6th transmission rod 63 power can with adjust automatically,
So that the 6th telescopic double acting cylinder 61 applies active force to the 6th transmission rod 63 along the 6th direction.
In the present exemplary embodiment, the 6th load transducer 64 can acquire in real time the 6th telescopic double acting cylinder 61 to
The stress that experimental rock 0 applies.6th displacement sensor 65 can be acquired to experimental rock 0 in real time under above-mentioned stress
Strain.6th load transducer 64 and the stress and strain data of the 6th displacement sensor 65 acquisition can be for transmission to above-mentioned controls
System, the control system can realize closed-loop control to the 6th loading mechanism.For example, the control system can pass through servo electricity
Magnet valve realization applies stressed control to the 6th loading mechanism.
In this illustrative examples, the 6th telescopic double acting cylinder 61 be can be set along its axial aperture, the 6th disturbance
Oil cylinder 67 can be set in the through-hole.While the 6th telescopic double acting cylinder 61 is to experimental rock application load,
6th disturbance oil cylinder 67 can apply disturbing load to experimental rock by the 6th disturbance pressing plate 66, to increase rock burst experiment
The diversity of emulation mode.
It should be noted that control system can be computer, which can be by special programming software to loading mechanism
It is controlled, furthermore loading mechanism can also be by being controlled manually.
In the present exemplary embodiment, which can also include crane crossbeam 9 and crane 10, and crane 10 is connected to described hang
In car crossbeam 9, send for hanging to experimental rock.
The high pressure servo true triaxial rockburst experimental facilities that the present exemplary embodiment provides, on the one hand, high rigidity in the equipment
Rack can satisfy the high pressure simulated experiment for changing equipment；On the other hand, which can pass through above-mentioned telescopic double acting
Spring in cylinder, scalable swing arm and swing arm realizes that the moment to experimental rock single side, two-sided, three faces, four sides unloads.Further
Aspect, the equipment can disturb oil cylinder, the 6th disturbance oil cylinder by third, and realization can apply in vertical direction and front-rear direction
The disturbance of multiple waveforms.
The high pressure servo true triaxial rockburst experimental facilities that the present exemplary embodiment provides, vertical direction Z can be realized as constant
The multiple control modes such as load, constant displacement, constant rate of speed load, constant rate of speed displacement.Maximum experiment power is 5000kN.Dynamometry
Range: 1~100%FS.Dynamometry precision: ± the 0.5% of < indicating value.Dynamometry resolution ratio :≤10N (automatic stepping, whole resolution ratio
It is constant).Loading speed: 10N/s~10kN/s.Displacement detecting and controlling range: 0~300mm.Measurement accuracy :≤± 0.5%FS.Measurement
Resolution ratio :≤0.001mm.Oil cylinder stroke: >=300mm.The disturbance waveform that first Z-direction disturbance oil cylinder 58 can produce includes string
Wave, triangular wave, square wave, pulse, positive-going sawtooth wave, reversed sawtooth wave.
The high pressure servo true triaxial rockburst experimental facilities that the present exemplary embodiment provides, horizontal front-rear direction can be realized such as perseverance
The multiple control modes such as constant load, constant displacement, constant rate of speed load, constant rate of speed displacement.(1) maximum experiment power is
2000kN.Dynamometry range: 1~100%FS.Dynamometry precision: ± the 0.5% of < indicating value.Dynamometry resolution ratio: (automatic point of≤10N
Shelves, whole resolution ratio are constant).Loading speed: 10N/s~10kN/s.Displacement detecting and controlling range: 0~300mm.Measurement accuracy :≤±
0.5%FS.Measurement Resolution :≤0.001mm.Oil cylinder stroke: >=300mm.The disturbance that first Y-direction disturbance oil cylinder 39 can produce
Waveform includes string wave, triangular wave, square wave, pulse, positive-going sawtooth wave, reversed sawtooth wave.
The high pressure servo true triaxial rockburst experimental facilities that the present exemplary embodiment provides, horizontal left and right directions can be realized such as perseverance
The multiple control modes such as constant load, constant displacement, constant rate of speed load, constant rate of speed displacement.(1) maximum experiment power is
2000kN.Dynamometry range: 1~100%FS.Dynamometry precision: ± the 0.5% of < indicating value.Dynamometry resolution ratio: (automatic point of≤10N
Shelves, whole resolution ratio are constant).Loading speed: 10N/s~10kN/s.Displacement detecting and controlling range: 0~300mm.Measurement accuracy :≤±
0.5%FS.Measurement Resolution :≤0.001mm.Oil cylinder stroke: >=300mm.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
His embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Adaptive change follow the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure or
Conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by claim
It points out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the attached claims.
Claims (10)
1. a kind of high pressure servo true triaxial rockburst experimental facilities characterized by comprising
First loading mechanism, for applying load to experimental rock along first direction；
Second loading mechanism, for applying load, the second direction and the first party to experimental rock in a second direction
To reversed；
Third loading mechanism, for applying load, the third direction and the first party to experimental rock along third direction
To vertical；
4th loading mechanism, for applying load, the fourth direction and the third party to experimental rock along fourth direction
To reversed；
5th loading mechanism, for applying load, the 5th direction and the first party to experimental rock along the 5th direction
It is vertical to, third direction；
6th loading mechanism, for applying load, the 6th direction and the 5th side to experimental rock along the 6th direction
To reversed.
2. high pressure servo true triaxial rockburst experimental facilities according to claim 1, which is characterized in that the high pressure servo is true
Three axis rock burst experimental facilities further include rack, and the rack includes:
Pedestal；
Sliding frame is slideably positioned on the pedestal along the first direction and the second direction, is used to support described
One loading mechanism and second loading mechanism；
Fixed frame is fixedly installed on the pedestal, be used to support the third loading mechanism, the 4th loading mechanism,
5th loading mechanism and the 6th loading mechanism.
3. high pressure servo true triaxial rockburst experimental facilities according to claim 2, which is characterized in that the high pressure servo is true
Three axis rock burst experimental facilities further include for carrying the plummer to experimental rock, and the plummer is slideably positioned in described
On pedestal.
4. high pressure servo true triaxial rockburst experimental facilities according to claim 3, which is characterized in that further include:
Fixture is fixedly installed on the plummer, has the clamping accommodation space to experimental rock；
Wherein, the threaded hole for being connected to the accommodation space is offered on the fixture, the fixture further includes matching the screw thread
The bolt of hole setting, the end of thread of the bolt are provided with elastic component.
5. high pressure servo true triaxial rockburst experimental facilities according to claim 2, which is characterized in that the first load machine
Structure includes:
First telescopic double acting cylinder, cylinder body end are fixedly connected with the sliding frame；
First pressing plate, first end pass through the universal connection of piston end of a bulb and the described first telescopic double acting cylinder；
First swing arm, first end and the second end of first pressing plate are slidably connected in the 5th direction, the 6th direction,
Second end is used to apply load to experimental rock to described；
First swing arm oil cylinder, for driving first swing arm to move along the 5th direction and the 6th direction；
First load transducer is set to the piston end of the described first telescopic double acting cylinder, for detecting to described wait test
The load of rock；
First displacement sensor, the piston end for being set to the described first telescopic double acting cylinder are telescopic for detecting described first
The displacement of double acting cylinder piston end；
Wherein, the first end of first swing arm and the scalable connection of second end, and be socketed between the both ends of first swing arm
There is spring.
6. high pressure servo true triaxial rockburst experimental facilities according to claim 5, which is characterized in that the second load machine
Structure includes:
Second telescopic double acting cylinder, cylinder body end are fixedly connected with the sliding frame；
Second pressing plate, first end pass through the universal connection of piston end of a bulb and the described second telescopic double acting cylinder；
Second swing arm, first end and the second end of second pressing plate are slidably connected in the 5th direction, the 6th direction,
Second end is used to apply load to experimental rock to described；
Second swing arm oil cylinder, for driving second swing arm to move along the 5th direction and the 6th direction；
Second load transducer is set to the piston end of the described second telescopic double acting cylinder, for detecting to described wait test
The load of rock；
Second displacement sensor, the piston end for being set to the described second telescopic double acting cylinder are telescopic for detecting described second
The displacement of double acting cylinder piston end；
Wherein, the first end of second swing arm and the scalable connection of second end, and be socketed between the both ends of second swing arm
There is spring.
7. high pressure servo true triaxial rockburst experimental facilities according to claim 2, which is characterized in that the third loads machine
Structure includes:
The telescopic double acting cylinder of third, cylinder body end are fixedly connected with the fixed frame；
Third pressing plate, first end pass through the universal connection of piston end of a bulb and the telescopic double acting cylinder of the third；
Third swing arm, first end and the second end of the third pressing plate are slidably connected in the 5th direction, the 6th direction,
Second end is used to apply load to experimental rock to described；
Third swing arm oil cylinder, for driving the third swing arm to move along the 5th direction and the 6th direction；
Third load transducer is set to the piston end of the telescopic double acting cylinder of the third, for detecting to described wait test
The load of rock；
Third displacement sensor, the piston end for being set to the telescopic double acting cylinder of the third are telescopic for detecting the third
The displacement of double acting cylinder piston end；
Third disturbs pressing plate, and first end is fixedly connected with the first end of the third swing arm；
Third disturbs oil cylinder, and cylinder body end is fixedly connected with the fixed frame, and the second of piston end and third disturbance pressing plate
End is oppositely arranged；
Wherein, the first end of the third swing arm and the scalable connection of second end, and be socketed between the both ends of the third swing arm
There is spring.
8. high pressure servo true triaxial rockburst experimental facilities according to claim 2, which is characterized in that the 4th load machine
Structure includes:
4th telescopic double acting cylinder, cylinder body end are fixedly connected with the fixed frame；
4th pressing plate, first end pass through the universal connection of piston end of a bulb and the 4th telescopic double acting cylinder；
4th swing arm, first end and the second end of the 4th pressing plate are slidably connected in the 5th direction, the 6th direction,
Second end is used to apply load to experimental rock to described；
4th swing arm oil cylinder, for driving the 4th swing arm to move along the 5th direction and the 6th direction；
4th load transducer is set to the piston end of the 4th telescopic double acting cylinder, for detecting to described wait test
The load of rock；
4th displacement sensor, the piston end for being set to the 4th telescopic double acting cylinder are telescopic for detecting the described 4th
The displacement of double acting cylinder piston end；
Wherein, the first end of the 4th swing arm and the scalable connection of second end, and be socketed between the both ends of the 4th swing arm
There is spring.
9. high pressure servo true triaxial rockburst experimental facilities according to claim 2, which is characterized in that the slender acanthopanax carrier aircraft
Structure includes:
5th telescopic double acting cylinder, cylinder body end are fixedly connected with the fixed frame；
5th pressing plate, first end pass through the universal connection of piston end of a bulb and the 5th telescopic double acting cylinder；
5th transmission rod, first end are connect with the second end of the 5th pressing plate, and second end to described to experimental rock for applying
Load lotus；
5th load transducer is set to the piston end of the 5th telescopic double acting cylinder, for detecting to described wait test
The load of rock；
5th displacement sensor, the piston end for being set to the 5th telescopic double acting cylinder are telescopic for detecting the described 5th
The displacement of double acting cylinder piston end.
10. high pressure servo true triaxial rockburst experimental facilities according to claim 2, which is characterized in that the 6th load
Mechanism includes:
6th telescopic double acting cylinder, cylinder body end are fixedly connected with the fixed frame；
6th pressing plate, first end pass through the universal connection of piston end of a bulb and the 6th telescopic double acting cylinder；
6th transmission rod, first end are connect with the second end of the 6th pressing plate, and second end to described to experimental rock for applying
Load lotus；
6th load transducer is set to the piston end of the 6th telescopic double acting cylinder, for detecting to described wait test
The load of rock；
6th displacement sensor, the piston end for being set to the 6th telescopic double acting cylinder are telescopic for detecting the described 6th
The displacement of double acting cylinder piston end；
6th disturbance pressing plate, first end are fixedly connected with the first end of the 6th transmission rod；
6th disturbance oil cylinder, cylinder body end are fixedly connected with the fixed frame, and the second of piston end and the 6th disturbance pressing plate
End is oppositely arranged.
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| CN110132762B (en) | 2020-06-09 |
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