CN104374655B - A kind of shock vibration country rock testing equipment - Google Patents
A kind of shock vibration country rock testing equipment Download PDFInfo
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- CN104374655B CN104374655B CN201410712341.1A CN201410712341A CN104374655B CN 104374655 B CN104374655 B CN 104374655B CN 201410712341 A CN201410712341 A CN 201410712341A CN 104374655 B CN104374655 B CN 104374655B
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- 239000011435 rock Substances 0.000 title claims abstract description 59
- 230000035939 shock Effects 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 230000001133 acceleration Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000003556 assay Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a kind of shock vibration country rock testing equipment.The present invention includes top board, base, support post, leading screw post, crossbeam, beam lifting motor and reductor parts, chain pitch wheel, impact tup, jump bit guide rod, horizontal X direction loads clamping plate, horizontal Y-direction loads clamping plate, horizontal X direction servo hydraulic cylinder, horizontal Y-direction servo hydraulic cylinder, vertical Z direction servo hydraulic cylinder, acceleration transducer.The shock vibration country rock testing equipment of the present invention can to large-size rock type sample three direction pre-applied quiet, dynamic load vertically rock sample can be applied certain wave forms impact load, with simulation rock sample response condition of disturbance in the high stress environment of deep.
Description
Technical field
The invention belongs to rock mechanics equipment, specifically, relate to a kind of there is shock vibration function
Shock vibration country rock testing equipment.
Background technology
In the various engineering practices of nature, such as all kinds of mine engineerings, Rail Highway tunnel construction etc., deeply
During the heavily stressed rock excavation in portion, rock mass while bearing crustal stress, tectonic stress contour static load effect,
The stress disturbance still suffering from initial rock stress field change or neighbouring cavern excavation and cause affects and excavates quick-fried
The dynamic load effects such as the impulsive force that the effect of the dynamic loads such as broken operation or machinery Drilling or earthquake, explosion cause.Should
This is seen, underground deep rock mass engineering project structure is by the shock vibration such as seismic wave, Blasting shock wave, induction
The infringement that rock mass, the dynamic buckling of engineering structure produce is very big, and the on-the-spot faithful record research of this respect is a lot, with
Time domestic relevant shop test equipment be also in the test of dynamic small-size test piece or static large scale test specimen and grind
Studying carefully, relevant coupled static-dynamic loadingi assay device is generally with undersized standard specimen as object of study, and dynamic load
Lotus is identical with main dead load direction, the most not to the static state of large-size test specimen, dynamically and impact combines
Experimental study.Therefore, for adapting to the Research Requirements of deep underground rock engineering complicated and changeable, it is desirable to have more
Good assay device is tested.
At present, common universal material testing machine is utilized can to realize single shaft to three through installing side loaded device additional
The rock static test of axle, uses Hydrauservo System can realize the curve waveform semi-static load examination of three-dimensional
Proved recipe formula, but also do not have the triaxial test utilizing jump bit to realize the simulation shock vibration such as explosion, earthquake at present
Equipment.
Summary of the invention
The technical problem to be solved in the present invention is to provide one can be to large-size rock type sample three sides
, dynamic load quiet to pre-applied also vertically can apply certain wave forms impact load to rock sample,
Test with the shock vibration country rock of simulation rock sample response condition of disturbance in the high stress environment of deep and set
Standby.
For solve above-mentioned technical problem, a kind of shock vibration country rock testing equipment of the present invention, including top board,
Base, support post, leading screw post；It also includes crossbeam, beam lifting motor and reductor parts, chain
Gear, impact tup, jump bit guide rod, horizontal X direction load clamping plate, horizontal Y-direction load clamping plate,
Horizontal X direction servo hydraulic cylinder, horizontal Y-direction servo hydraulic cylinder, vertical Z direction servo hydraulic cylinder；Top
Plate is parallel with base, is connected in angular distribution support post is fixing by two, top board between top board with base
And a leading screw post is respectively installed on another diagonal angle between base；The beam lifting motor being installed on top board
And reductor parts are connected by chain pitch wheel and two leading screw post upper ends, leading screw post is driven to rotate；Described horizontal stroke
The two ends of beam are installed in the middle part of two leading screw posts, and leading screw post rotates and drives crossbeam to move up and down；Install on crossbeam
Vertical Z direction servo hydraulic cylinder, vertical Z direction servo hydraulic cylinder is had to be connected with the impact tup under crossbeam,
On impact tup, acceleration transducer is installed；It is fixed with two vertical jump bit guide rods, punching on impact tup
Hammer guide rod activity passes crossbeam and top board；The horizontal direction of described base is provided with horizontal Y-direction loading clamp
Plate and horizontal Y-direction servo hydraulic cylinder, the longitudinal direction of described base is provided with horizontal X direction and loads clamping plate
With horizontal X direction servo hydraulic cylinder, each servo hydraulic cylinder connects with corresponding loading clamping plate；Each loading clamp
Tested rock sample is placed in the space of plate and the synthesis of jump bit head circumference；Described each servo hydraulic cylinder passes through high pressure
Oil circuit is connected with servo hydraulic system, by servo hydraulic system to tested rock sample apply shock loading,
Disturbance loads；Described servo hydraulic system, acceleration transducer are connected with outer computer by holding wire.
Concrete, described shock loading, disturbance are loaded as the curve of half-sine wave, triangular wave, square
Load.
Described loading clamping plate can change various sizes of adding according to the change of the size of tested rock sample
Support plate.
The size of described tested rock sample is 200 700mm on tri-directions of X, Y, Z.
Shock vibration country rock testing equipment of the present invention, can be to large-size rock type sample in three directions
Pre-applied is quiet, dynamic load vertically rock sample can be applied certain wave forms impact load, with
Simulation rock sample is the response condition of disturbance in the high stress environment of deep.
Accompanying drawing explanation
Fig. 1 is the structural representation of the shock vibration country rock testing equipment of the present invention.
Fig. 2 be the present invention shock vibration country rock testing equipment in tested rock sample by static load-shock loading
Schematic diagram.
Fig. 3 be the present invention shock vibration country rock testing equipment in tested rock sample by static load-disturbing load
Schematic diagram.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, be the structural representation of shock vibration country rock testing equipment of the present invention, it includes crossbeam
Lifting motor and reductor parts 1, chain pitch wheel 2, top board 3, support post 4, leading screw post 5, crossbeam
6, tested rock sample 7, horizontal Y-direction load clamping plate 8, horizontal X direction servo hydraulic cylinder 9, level
X-direction loads clamping plate 10, base 11, horizontal Y-direction servo hydraulic cylinder 12, impact tup 13, cylinder
14, vertical Z direction servo hydraulic cylinder 15, leading screw post 16, support post 17, jump bit guide rod 18.Top
Fixed by two be connected in angular distribution support post 4 and support post 17 between plate 3 with base 11,
Leading screw post 5 and leading screw post 16 are installed on another diagonal angle between top board 3 and base 11.It is installed on top board
Beam lifting motor and reductor parts 1 on 3 pass through chain pitch wheel 2 and two leading screw post 5,16 upper ends
Connect, drive leading screw post 5,16 to rotate；The two ends of crossbeam 6 are installed on the middle part of two leading screw posts 5,16,
Leading screw post 5,16 rotates and drives crossbeam 6 to move up and down；Vertical Z direction servo-hydraulic is installed on crossbeam 6
Cylinder 15, vertical Z direction servo hydraulic cylinder 15 is connected with the impact tup 13 under crossbeam 6, impacts tup
Acceleration transducer (being not drawn in figure) is installed on 13；It is fixed with two vertical impacts on impact tup 13
Hammer guide rod 18, jump bit guide rod 18 is movable through crossbeam 6 and top board 3；Set on the horizontal direction of base 11
Having horizontal Y-direction to load clamping plate 8 and horizontal Y-direction servo hydraulic cylinder 12, horizontal Y-direction loads clamping plate 8
It is connected with horizontal Y-direction servo hydraulic cylinder 12；The longitudinal direction of base 11 is provided with horizontal X direction and loads
Clamping plate 10 and horizontal X direction servo hydraulic cylinder 9, horizontal X direction loads clamping plate 10 and watches with horizontal X direction
Take hydraulic cylinder 9 to connect；Horizontal Y-direction loads clamping plate 8, horizontal X direction loads clamping plate 10 and impact tup
The space enclosed is placed tested rock sample 7；Each servo hydraulic cylinder passes through high-pressure oil passage and servo-hydraulic
System connects, and applies shock loading, disturbance loading by servo hydraulic system to tested rock sample；Respectively watch
Taking the equal force sensor of hydraulic cylinder, servo hydraulic system, each force transducer, acceleration transducer are by letter
Number line is connected with outer computer.
Above-mentioned servo hydraulic system passes through horizontal X direction servo hydraulic cylinder 9, horizontal Y-direction servo hydraulic cylinder
12, vertical Z direction servo hydraulic cylinder 15 applies shock loading to tested rock sample 7, disturbance loads,
Shock loading, disturbance are loaded as the curve load of half-sine wave, triangular wave, square.
The size of tested rock sample 7 is 200 700mm on tri-directions of X, Y, Z.Water
Flat Y-direction loads clamping plate 8 and horizontal X direction loading clamping plate 10 can be according to the size of tested rock sample 7
Various sizes of load plate is changed in the change of size.
Embodiment one:
During test, according to the size of tested rock sample 7, adjust horizontal Y-direction and load clamping plate 8 and level
X-direction loads the position of clamping plate 10, tested rock sample 7 center is directed at horizontal Y-direction and loads clamping plate 8
With horizontal X direction load clamping plate 10 center, by horizontal X direction servo hydraulic cylinder 9 and horizontal Y side
Carry out pre-clamping to servo hydraulic cylinder 12, tested rock sample 7 is applied prefastening load, then discharges gas
Cylinder 14, impact tup 13 discharges, and tested rock sample 7 applies the shock loading of vertical direction, it is achieved
Static load and the coefficient test effect of shock loading under three Spindle Status, static load suffered by tested rock sample 7-
Shock loading schematic diagram is as shown in Figure 2.
Embodiment two:
During test, according to the size of tested rock sample 7, adjust horizontal Y-direction and load clamping plate 8 and level
X-direction loads the position of clamping plate 10, tested rock sample 7 center is directed at horizontal Y-direction and loads clamping plate 8
With the center that horizontal X direction loads clamping plate 10, automatically regulate servo according to the requirement of experiment by computer
Hydraulic system, by servo hydraulic cylinder 9,12,15 to three axial applying dead loads of tested rock sample 7,
Dynamic loading, disturbance loading etc., and the loading of the curve load such as half-sine wave, triangular wave, square wave can be realized,
Realize static load and the coefficient test effect of dynamic disturbances load under three Spindle Status, tested rock sample 7 institute
By static load-disturbing load schematic diagram as shown in Figure 3.
In above example, impact force value curve, vertical direction accelerating curve can by force transducer and
Acceleration transducer obtains, and is delivered in computer software control system by data collecting system, at liquid crystal
Curve and experimental data is shown in real time on screen, and can with storing data automatically in a computer, also can basis
The requirement of test generates test report.
Above in conjunction with the drawings and specific embodiments, the shock vibration country rock testing equipment of the present invention is made in detail
Thin explanation, the present invention is not limited to content described above, at knowing that those skilled in the art are possessed
In the range of knowledge, the various changes made without departing from present inventive concept, still it is within the scope of the present invention.
Claims (4)
1. a shock vibration country rock testing equipment, including top board, base, support post, leading screw post；
It is characterized in that: it also includes crossbeam, beam lifting motor and reductor parts, chain pitch wheel, jump bit
Head, jump bit guide rod, horizontal X direction loading clamping plate, horizontal Y-direction loading clamping plate, horizontal X direction are watched
Take hydraulic cylinder, horizontal Y-direction servo hydraulic cylinder, vertical Z direction servo hydraulic cylinder；Top board is parallel with base,
It is connected in angular distribution support post is fixing by two between top board with base, another between top board and base
A piece leading screw post is respectively installed on pair of horns；The beam lifting motor being installed on top board and reductor parts lead to
Cross chain pitch wheel and two leading screw post upper ends connect, drive leading screw post to rotate；The two ends of described crossbeam are installed on
In the middle part of two leading screw posts, leading screw post rotates and drives crossbeam to move up and down；Vertical Z direction is installed on crossbeam watch
Taking hydraulic cylinder, vertical Z direction servo hydraulic cylinder is connected with the impact tup under crossbeam, and impact tup is installed
There is acceleration transducer；Being fixed with two vertical jump bit guide rods on impact tup, jump bit guide rod activity is worn
Cross crossbeam and top board；The horizontal direction of described base is provided with horizontal Y-direction and loads clamping plate and horizontal Y-direction
Servo hydraulic cylinder, the longitudinal direction of described base is provided with horizontal X direction loading clamping plate and horizontal X direction is watched
Taking hydraulic cylinder, each servo hydraulic cylinder connects with corresponding loading clamping plate；Each loading clamping plate and jump bit head circumference
Tested rock sample is placed in the space of synthesis；Described each servo hydraulic cylinder passes through high-pressure oil passage and servo-hydraulic
System connects, and applies shock loading, disturbance loading by servo hydraulic system to tested rock sample；Described
Servo hydraulic system, acceleration transducer are connected with outer computer by holding wire.
Shock vibration country rock testing equipment the most according to claim 1, it is characterised in that: described punching
Hit load, disturbance is loaded as half-sine wave, the curve load of triangular wave, square.
Shock vibration country rock testing equipment the most according to claim 1 and 2, it is characterised in that: institute
State each loading clamping plate and can change various sizes of load plate according to the change of the size of tested rock sample.
Shock vibration country rock testing equipment the most according to claim 3, it is characterised in that: described tested
The size of rock sample is 200 700mm on tri-directions of X, Y, Z.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712341.1A CN104374655B (en) | 2014-11-30 | 2014-11-30 | A kind of shock vibration country rock testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712341.1A CN104374655B (en) | 2014-11-30 | 2014-11-30 | A kind of shock vibration country rock testing equipment |
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| CN104374655A CN104374655A (en) | 2015-02-25 |
| CN104374655B true CN104374655B (en) | 2016-08-31 |
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| CN114441343A (en) * | 2022-01-24 | 2022-05-06 | 中国科学院宁波材料技术与工程研究所 | Low-speed impact test system for dot matrix sandwich structure and centering control method |
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| CN204269492U (en) * | 2014-11-30 | 2015-04-15 | 湖南科技大学 | A kind of shock vibration country rock testing equipment |
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2014
- 2014-11-30 CN CN201410712341.1A patent/CN104374655B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0766084A2 (en) * | 1995-04-12 | 1997-04-02 | Bridgestone Corporation | Exothermic fatigue measurement method of viscoelastic body and hydraulic servo system flexometer |
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