CN104374655A - Impact disturbance surrounding rock testing equipment - Google Patents
Impact disturbance surrounding rock testing equipment Download PDFInfo
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- CN104374655A CN104374655A CN201410712341.1A CN201410712341A CN104374655A CN 104374655 A CN104374655 A CN 104374655A CN 201410712341 A CN201410712341 A CN 201410712341A CN 104374655 A CN104374655 A CN 104374655A
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Abstract
The invention discloses impact disturbance surrounding rock testing equipment which comprises a top plate, a base, support standing columns, screw columns, a crossbeam, a crossbeam lifting motor and reducer part, a chain gear, an impact hammer, an impact hammer guide rod, a horizontal X-direction loading clamp plate, a horizontal Y-direction loading clamp plate, a horizontal X-direction servo hydraulic cylinder, a horizontal Y-direction servo hydraulic cylinder, a vertical Z-direction servo hydraulic cylinder, and an acceleration sensor. The impact disturbance surrounding rock testing equipment can apply static and dynamic loads to a large-size rock sample in three directions and apply certain waveform impact loads to the large-size rock samples along the vertical direction so as to simulate the disturbance response condition of the rock sample in a deep high stress environment.
Description
Technical field
The invention belongs to rock mechanics equipment, specifically, relate to a kind of shock vibration country rock testing equipment with shock vibration function.
Background technology
In natural various engineering practice, as all kinds of mine engineering, Rail Highway tunnel construction etc., during the heavily stressed rock excavation in deep, rock mass, while bearing terrestrial stress, the contour static load effect of tectonic stress, also will bear initial rock stress field change or contiguous cavern excavation and the dynamic load effects such as impulsive force that the effect of the stress disturbance impact that causes and the dynamic load such as Excavation blasting operation or mechanical Drilling or earthquake, explosion cause.Should see, underground deep rock mass engineering project structure is being subject to seismic event, the shock vibrations such as Blasting shock wave, bring out rock mass, the infringement that the dynamic buckling of engineering structure produces is very large, the on-the-spot faithful record research of this respect is a lot, domestic relevant shop test equipment is also in the experimental study of dynamic small-size test piece or static large scale test specimen simultaneously, relevant coupled static-dynamic loadingi test unit generally with undersized standard sample for research object, and dynamic loading is identical with main static load direction, also not to the static state of large-size test specimen, the experimental study that dynamic and impact combines.Therefore, for adapting to the Research Requirements of deep underground rock engineering complicated and changeable, need better test unit to test.
At present, utilize common universal material testing machine can realize the rock static test of single shaft to three axles through installing side loaded device additional, use Hydrauservo System can realize three-dimensional curve waveform semi-static load test method, but also do not have the triaxial test equipment utilizing ram hammer to realize shock vibration such as simulation explosion, earthquake etc. at present.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of can, dynamic load quiet three direction pre-applied to large-size rock type sample vertically can apply certain wave forms impact load to rock sample, with the shock vibration country rock testing equipment of the response condition of simulation rock sample disturbance in the high stress environment of deep.
For solving the problems of the technologies described above, a kind of shock vibration country rock testing equipment of the present invention, comprises top board, base, support post, leading screw post; It also comprises crossbeam, beam lifting motor and reductor parts, chain pitch wheel, impact tup, ram hammer guide rod, horizontal X direction loads clamping plate, horizontal Y-direction loading clamping plate, horizontal X direction servo hydraulic cylinder, horizontal Y-direction servo hydraulic cylinder, hang down true Z-direction servo hydraulic cylinder; Top board is parallel with base, and the support post distributed in diagonal angle by two between top board with base is fixedly connected with, and another diagonal angle between top board and base is respectively provided with a rhizoid thick stick post; Be installed on beam lifting motor on top board and reductor parts are connected with two rhizoid thick stick post upper ends by chain pitch wheel, drive leading screw post to rotate; The two ends of described crossbeam are installed in the middle part of two rhizoid thick stick posts, and leading screw post rotates and drives crossbeam to move up and down; Crossbeam is provided with vertical true Z-direction servo hydraulic cylinder, the true Z-direction servo hydraulic cylinder that hangs down is connected with the impact tup under crossbeam, impacts on tup and is provided with acceleration transducer; Impact on tup and be fixed with two vertical ram hammer guide rods, the activity of ram hammer guide rod is through crossbeam and top board; The horizontal Y-direction that is provided with in a lateral direction of described base loads clamping plate and horizontal Y-direction servo hydraulic cylinder, the longitudinal direction of described base is provided with horizontal X direction and loads clamping plate and horizontal X direction servo hydraulic cylinder, and each servo hydraulic cylinder connects with corresponding loading clamping plate; Tested rock sample is placed in the space of described each loading clamping plate and the synthesis of ram hammer head circumference; Described each servo hydraulic cylinder is connected with servo hydraulic system by high-pressure oil passage, applies shock load, disturbance loads by servo hydraulic system to tested rock sample; Described servo hydraulic system, acceleration transducer are connected with outer computer by signal wire.
Concrete, described shock load, disturbance are loaded as the curve load of half-sine wave, triangular wave, square.
Described loading clamping plate can change the load plate of different size according to the change of the size of tested rock sample.
The size of described tested rock sample is 200-700mm on X, Y, Z tri-directions.
Shock vibration country rock testing equipment of the present invention, can, dynamic load quiet three direction pre-applied to large-size rock type sample vertically can apply certain wave forms impact load, with the response condition of simulation rock sample disturbance in the high stress environment of deep to rock sample.
Accompanying drawing explanation
Fig. 1 is the structural representation of shock vibration country rock testing equipment of the present invention.
Fig. 2 is that in shock vibration country rock testing equipment of the present invention, tested rock sample is subject to static load-shock load schematic diagram.
Fig. 3 is that in shock vibration country rock testing equipment of the present invention, tested rock sample is subject to static load-disturbing load schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1, for the structural representation of shock vibration country rock testing equipment of the present invention, it comprises beam 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 loads clamping plate 8, horizontal X direction servo hydraulic cylinder 9, horizontal X direction loads clamping plate 10, base 11, horizontal Y-direction servo hydraulic cylinder 12, impact tup 13, cylinder 14, hang down true Z-direction servo hydraulic cylinder 15, leading screw post 16, support post 17, ram hammer guide rod 18.The support post 4 distributed in diagonal angle by two between top board 3 with base 11 is fixedly connected with support post 17, another diagonal angle between top board 3 and base 11 is provided with leading screw post 5 and leading screw post 16.Be installed on beam lifting motor on top board 3 and reductor parts 1 are connected with two rhizoid thick stick post 5,17 upper ends by chain pitch wheel 2, drive leading screw post 5,17 to rotate; The two ends of crossbeam 6 are installed on the middle part of two rhizoid thick stick posts 5,17, and leading screw post 5,17 rotates and drives crossbeam 6 to move up and down; Crossbeam 6 is provided with vertical true Z-direction servo hydraulic cylinder 15, the true Z-direction servo hydraulic cylinder 15 that hangs down is connected with the impact tup 13 under crossbeam 6, impacts on tup 13 and is provided with acceleration transducer (not shown in FIG.); Impact on tup 13 and be fixed with two vertical ram hammer guide rods 18, ram hammer guide rod 18 activity is through crossbeam 6 and top board 3; The horizontal Y-direction that is provided with in a lateral direction of base 11 loads clamping plate 8 and horizontal Y-direction servo hydraulic cylinder 12, and horizontal Y-direction loads clamping plate 8 and 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, and horizontal X direction loads clamping plate 10 and is connected with horizontal X direction servo hydraulic cylinder 9; Horizontal Y-direction loads clamping plate 8, horizontal X direction loads clamping plate 10 and place tested rock sample 7 in the space of ram hammer head circumference synthesis; Each servo hydraulic cylinder is connected with servo hydraulic system by high-pressure oil passage, applies shock load, disturbance loads by servo hydraulic system to tested rock sample; The equal force sensor of each servo hydraulic cylinder, servo hydraulic system, each force snesor, acceleration transducer are connected with outer computer by signal wire.
Above-mentioned servo hydraulic system applies shock load, disturbance loading by horizontal X direction servo hydraulic cylinder 9, horizontal Y-direction servo hydraulic cylinder 12, the true Z-direction servo hydraulic cylinder 15 that hangs down to tested rock sample 7, and shock load, 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 X, Y, Z tri-directions.Horizontal Y-direction loads clamping plate 8 and horizontal X direction loads clamping plate 10 can change different size load plate according to the change of the size of tested rock sample 7.
Embodiment one:
During test, according to the size of tested rock sample 7, adjust horizontal Y-direction and load the position that clamping plate 8 and horizontal X direction load clamping plate 10, tested rock sample 7 center is aimed at horizontal Y-direction and load the center that clamping plate 8 and horizontal X direction load clamping plate 10, clamped in advance by horizontal X direction servo hydraulic cylinder 9 and horizontal Y-direction servo hydraulic cylinder 12, prefastening load is applied to tested rock sample 7, then cylinder 14 is discharged, impact tup 13 to discharge, tested rock sample 7 is applied to the shock load of vertical direction, realize static load and the coefficient test effect of shock load under three Spindle Status, static load-shock load schematic diagram suffered by tested rock sample 7 as shown in Figure 2.
Embodiment two:
During test, according to the size of tested rock sample 7, adjust horizontal Y-direction and load the position that clamping plate 8 and horizontal X direction load clamping plate 10, tested rock sample 7 center is aimed at horizontal Y-direction and load the center that clamping plate 8 and horizontal X direction load clamping plate 10, automatically servo hydraulic system is regulated according to the requirement of experiment by computing machine, by servo hydraulic cylinder 9, 12, three axis of 15 pairs of tested rock samples 7 apply static load, dynamic loading, disturbance loading etc., and can half-sine wave be realized, triangular wave, the loading of the curve load such as square wave, realize static load and the coefficient test effect of dynamic disturbances load under three Spindle Status, static load-disturbing load schematic diagram suffered by tested rock sample 7 as shown in Figure 3.
In above embodiment, impact force value curve, vertical direction accelerating curve can be obtained by force snesor and acceleration transducer, be delivered in computer software control system by data acquisition system (DAS), liquid crystal display shows curve and experimental data in real time, and can storing data automatically in a computer, also can according to test requirement generate test report.
With embodiment, shock vibration country rock testing equipment of the present invention is described in detail by reference to the accompanying drawings above; the present invention is not limited to content described above; in the ken that those skilled in the art possess; do not depart from the present invention and conceive the various changes made, still drop in protection scope of the present invention.
Claims (4)
1. a shock vibration country rock testing equipment, comprises top board, base, support post, leading screw post; It is characterized in that: it also comprises crossbeam, beam lifting motor and reductor parts, chain pitch wheel, impact tup, ram hammer guide rod, horizontal X direction loads clamping plate, horizontal Y-direction loading clamping plate, horizontal X direction servo hydraulic cylinder, horizontal Y-direction servo hydraulic cylinder, hang down true Z-direction servo hydraulic cylinder; Top board is parallel with base, and the support post distributed in diagonal angle by two between top board with base is fixedly connected with, and another diagonal angle between top board and base is respectively provided with a rhizoid thick stick post; Be installed on beam lifting motor on top board and reductor parts are connected with two rhizoid thick stick post upper ends by chain pitch wheel, drive leading screw post to rotate; The two ends of described crossbeam are installed in the middle part of two rhizoid thick stick posts, and leading screw post rotates and drives crossbeam to move up and down; Crossbeam is provided with vertical true Z-direction servo hydraulic cylinder, the true Z-direction servo hydraulic cylinder that hangs down is connected with the impact tup under crossbeam, impacts on tup and is provided with acceleration transducer; Impact on tup and be fixed with two vertical ram hammer guide rods, the activity of ram hammer guide rod is through crossbeam and top board; The horizontal Y-direction that is provided with in a lateral direction of described base loads clamping plate and horizontal Y-direction servo hydraulic cylinder, the longitudinal direction of described base is provided with horizontal X direction and loads clamping plate and horizontal X direction servo hydraulic cylinder, and each servo hydraulic cylinder connects with corresponding loading clamping plate; Tested rock sample is placed in the space of described each loading clamping plate and the synthesis of ram hammer head circumference; Described each servo hydraulic cylinder is connected with servo hydraulic system by high-pressure oil passage, applies shock load, disturbance loads by servo hydraulic system to tested rock sample; Described servo hydraulic system, acceleration transducer are connected with outer computer by signal wire.
2. shock vibration country rock testing equipment according to claim 1, is characterized in that: described shock load, disturbance are loaded as the curve load of half-sine wave, triangular wave, square.
3. shock vibration country rock testing equipment according to claim 1 and 2, is characterized in that: described each loading clamping plate can change the load plate of different size according to the change of the size of tested rock sample.
4. shock vibration country rock testing equipment according to claim 3, is characterized in that: the size of described tested rock sample is 200-700mm on X, Y, Z tri-directions.
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| CN201410712341.1A CN104374655B (en) | 2014-11-30 | 2014-11-30 | A kind of shock vibration country rock testing equipment |
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| CN105527177A (en) * | 2016-01-11 | 2016-04-27 | 中国人民解放军理工大学 | Test method for simulating explosion ground shock disturbance of deep rock mass and device thereof |
| CN106198264A (en) * | 2016-06-30 | 2016-12-07 | 安徽理工大学 | A kind of true triaxial rock adds unloading disturbance experimental provision and using method thereof |
| CN106198227A (en) * | 2016-07-12 | 2016-12-07 | 辽宁工程技术大学 | Accumulation of energy drop hammer type coupled static-dynamic loadingi assay device |
| CN106769490A (en) * | 2017-01-13 | 2017-05-31 | 辽宁工程技术大学 | A kind of device for detecting performance of energy-absorbing erosion control support apparatus |
| CN106932325A (en) * | 2017-05-09 | 2017-07-07 | 湖南科技大学 | Rock fracture muddy water fluid neuron network device and test method under sound load action |
| CN107290208A (en) * | 2017-07-31 | 2017-10-24 | 安徽理工大学 | A kind of rock relaxation mechanism for testing and its experimental rig |
| CN107941503A (en) * | 2018-01-04 | 2018-04-20 | 广东东箭汽车科技股份有限公司 | One kind is used for the automatic full inspection test equipment of automobile power back door screw rod |
| CN107991192A (en) * | 2017-11-14 | 2018-05-04 | 北方工业大学 | True triaxial loading test device and method for coarse-grained soil |
| CN108333064A (en) * | 2017-01-20 | 2018-07-27 | 辽宁工程技术大学 | A kind of rock ultra-low friction hydraulic loading test device |
| CN108776072A (en) * | 2018-07-03 | 2018-11-09 | 四川文理学院 | Shock loading loading device, the pilot system and its test method for simulating shock loading |
| CN108827578A (en) * | 2018-04-23 | 2018-11-16 | 东北大学 | A kind of the key roof block inbreak experimental rig and method of two-way quiet dynamic load |
| CN109813618A (en) * | 2019-03-19 | 2019-05-28 | 河南理工大学 | Vertical Hopkinson pressure bar test device and test method |
| CN112461670A (en) * | 2020-11-10 | 2021-03-09 | 中国矿业大学 | Static and dynamic loading experiment machine and method for simulating underground roadway tunneling and drilling operation |
| CN112461669A (en) * | 2020-11-10 | 2021-03-09 | 中国矿业大学 | Experimental method and device for dynamic disaster of rock burst in roadway excavation |
| CN113075043A (en) * | 2021-03-19 | 2021-07-06 | 北京科技大学 | Device and method for whole dynamic pregnancy disaster evolution process of deeply-buried rock mass engineering |
| CN114383717A (en) * | 2021-12-10 | 2022-04-22 | 中煤科工开采研究院有限公司 | Rock burst roadway safety monitoring method and device |
| 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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| CN105527177B (en) * | 2016-01-11 | 2016-11-16 | 中国人民解放军理工大学 | A kind of deep rock mass explosion seism disturbance simulation experiment method and device |
| CN105527177A (en) * | 2016-01-11 | 2016-04-27 | 中国人民解放军理工大学 | Test method for simulating explosion ground shock disturbance of deep rock mass and device thereof |
| CN106198264A (en) * | 2016-06-30 | 2016-12-07 | 安徽理工大学 | A kind of true triaxial rock adds unloading disturbance experimental provision and using method thereof |
| CN106198227A (en) * | 2016-07-12 | 2016-12-07 | 辽宁工程技术大学 | Accumulation of energy drop hammer type coupled static-dynamic loadingi assay device |
| CN106198227B (en) * | 2016-07-12 | 2023-01-24 | 辽宁工程技术大学 | Energy storage drop hammer type dynamic and static combined loading test device |
| CN106769490B (en) * | 2017-01-13 | 2019-06-14 | 辽宁工程技术大学 | A kind of device for detecting performance of energy-absorbing erosion control support apparatus |
| CN106769490A (en) * | 2017-01-13 | 2017-05-31 | 辽宁工程技术大学 | A kind of device for detecting performance of energy-absorbing erosion control support apparatus |
| CN108333064A (en) * | 2017-01-20 | 2018-07-27 | 辽宁工程技术大学 | A kind of rock ultra-low friction hydraulic loading test device |
| CN106932325A (en) * | 2017-05-09 | 2017-07-07 | 湖南科技大学 | Rock fracture muddy water fluid neuron network device and test method under sound load action |
| CN106932325B (en) * | 2017-05-09 | 2024-02-09 | 湖南科技大学 | Device and test method for mud-water fluid seepage of rock fracture under action of dynamic and static loads |
| CN107290208A (en) * | 2017-07-31 | 2017-10-24 | 安徽理工大学 | A kind of rock relaxation mechanism for testing and its experimental rig |
| CN107991192A (en) * | 2017-11-14 | 2018-05-04 | 北方工业大学 | True triaxial loading test device and method for coarse-grained soil |
| CN107941503A (en) * | 2018-01-04 | 2018-04-20 | 广东东箭汽车科技股份有限公司 | One kind is used for the automatic full inspection test equipment of automobile power back door screw rod |
| CN108827578A (en) * | 2018-04-23 | 2018-11-16 | 东北大学 | A kind of the key roof block inbreak experimental rig and method of two-way quiet dynamic load |
| CN108776072A (en) * | 2018-07-03 | 2018-11-09 | 四川文理学院 | Shock loading loading device, the pilot system and its test method for simulating shock loading |
| CN109813618A (en) * | 2019-03-19 | 2019-05-28 | 河南理工大学 | Vertical Hopkinson pressure bar test device and test method |
| US11747249B2 (en) * | 2019-03-19 | 2023-09-05 | Henan Polytechnic University | Vertical Hopkinson pressure bar test device and test method |
| CN109813618B (en) * | 2019-03-19 | 2023-08-22 | 河南理工大学 | Vertical Hopkinson pressure bar test device and test method |
| US20210293679A1 (en) * | 2019-03-19 | 2021-09-23 | Henan Polytechnic University | Vertical hopkinson pressure bar test device and test method |
| CN112461670A (en) * | 2020-11-10 | 2021-03-09 | 中国矿业大学 | Static and dynamic loading experiment machine and method for simulating underground roadway tunneling and drilling operation |
| CN112461669B (en) * | 2020-11-10 | 2021-09-07 | 中国矿业大学 | Experimental method and device for dynamic disaster of rock burst in roadway excavation |
| CN112461669A (en) * | 2020-11-10 | 2021-03-09 | 中国矿业大学 | Experimental method and device for dynamic disaster of rock burst in roadway excavation |
| CN113075043B (en) * | 2021-03-19 | 2021-10-22 | 北京科技大学 | Device and method for whole dynamic pregnancy disaster evolution process of deeply-buried rock mass engineering |
| CN113075043A (en) * | 2021-03-19 | 2021-07-06 | 北京科技大学 | Device and method for whole dynamic pregnancy disaster evolution process of deeply-buried rock mass engineering |
| CN114383717A (en) * | 2021-12-10 | 2022-04-22 | 中煤科工开采研究院有限公司 | Rock burst roadway safety monitoring method and device |
| WO2023104184A1 (en) * | 2021-12-10 | 2023-06-15 | 天地科技股份有限公司 | Rock burst roadway safety monitoring method and apparatus |
| CN114383717B (en) * | 2021-12-10 | 2023-11-17 | 中煤科工开采研究院有限公司 | Rock burst roadway safety monitoring method and device |
| 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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