CN204269492U - 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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- CN204269492U CN204269492U CN201420732519.4U CN201420732519U CN204269492U CN 204269492 U CN204269492 U CN 204269492U CN 201420732519 U CN201420732519 U CN 201420732519U CN 204269492 U CN204269492 U CN 204269492U
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Abstract
The utility model discloses a kind of shock vibration country rock testing equipment.The utility model comprises top board, base, support post, leading screw post, 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, acceleration transducer.Shock vibration country rock testing equipment of the present utility model 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.
Description
Technical field
The utility model belongs to rock mechanics equipment, specifically, relates 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 problems to be solved in the utility model 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 utility model, 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 or 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 described in the utility model, 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 utility model.
Fig. 2 is that in shock vibration country rock testing equipment of the present utility model, 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 utility model, tested rock sample is subject to static load-disturbing load schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, for the structural representation of the utility model shock vibration country rock testing equipment, 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 utility model is described in detail by reference to the accompanying drawings above; the utility model is not limited to content described above; in the ken that those skilled in the art possess; do not depart from the utility model and conceive the various changes made, still drop in protection domain of the present utility model.
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 or 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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| Application Number | Priority Date | Filing Date | Title |
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| CN201420732519.4U CN204269492U (en) | 2014-11-30 | 2014-11-30 | A kind of shock vibration country rock testing equipment |
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| CN201420732519.4U CN204269492U (en) | 2014-11-30 | 2014-11-30 | A kind of shock vibration country rock testing equipment |
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| CN204269492U true CN204269492U (en) | 2015-04-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374655A (en) * | 2014-11-30 | 2015-02-25 | 湖南科技大学 | Impact disturbance surrounding rock testing equipment |
| CN105588802A (en) * | 2015-12-07 | 2016-05-18 | 湖南科技大学 | Three-dimensional experimental system and experimental method for simulating plastic zone of surrounding rock of roadway |
| CN106017887A (en) * | 2016-06-16 | 2016-10-12 | 武汉华威专用汽车检测有限责任公司 | Static load impact test bed |
| CN109612853A (en) * | 2018-11-26 | 2019-04-12 | 深圳市华星光电技术有限公司 | Compression test device and its test method |
| CN109738314A (en) * | 2019-01-07 | 2019-05-10 | 上海交通大学 | A kind of ultrasonic surface rolling-out test machine and test method |
| CN110631932A (en) * | 2019-10-28 | 2019-12-31 | 华侨大学 | Dynamic disturbance servo triaxial loading device based on rock testing machine |
| CN114659814A (en) * | 2022-02-25 | 2022-06-24 | 中国矿业大学 | Drilling surrounding rock loading device for drilling robot and hydraulic control method |
-
2014
- 2014-11-30 CN CN201420732519.4U patent/CN204269492U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374655A (en) * | 2014-11-30 | 2015-02-25 | 湖南科技大学 | Impact disturbance surrounding rock testing equipment |
| CN104374655B (en) * | 2014-11-30 | 2016-08-31 | 湖南科技大学 | A kind of shock vibration country rock testing equipment |
| CN105588802A (en) * | 2015-12-07 | 2016-05-18 | 湖南科技大学 | Three-dimensional experimental system and experimental method for simulating plastic zone of surrounding rock of roadway |
| CN105588802B (en) * | 2015-12-07 | 2019-02-05 | 湖南科技大学 | It is a kind of for simulating the three-dimensional experiment system and experimental method of roadway surrounding rock plastic zone |
| CN106017887A (en) * | 2016-06-16 | 2016-10-12 | 武汉华威专用汽车检测有限责任公司 | Static load impact test bed |
| CN106017887B (en) * | 2016-06-16 | 2018-07-10 | 武汉华威专用汽车检测有限责任公司 | Static load shock table |
| CN109612853A (en) * | 2018-11-26 | 2019-04-12 | 深圳市华星光电技术有限公司 | Compression test device and its test method |
| CN109738314A (en) * | 2019-01-07 | 2019-05-10 | 上海交通大学 | A kind of ultrasonic surface rolling-out test machine and test method |
| CN109738314B (en) * | 2019-01-07 | 2021-06-04 | 上海交通大学 | Ultrasonic surface rolling tester and test method |
| CN110631932A (en) * | 2019-10-28 | 2019-12-31 | 华侨大学 | Dynamic disturbance servo triaxial loading device based on rock testing machine |
| CN114659814A (en) * | 2022-02-25 | 2022-06-24 | 中国矿业大学 | Drilling surrounding rock loading device for drilling robot and hydraulic control method |
| CN114659814B (en) * | 2022-02-25 | 2024-05-31 | 中国矿业大学 | Drilling surrounding rock loading device for drilling robot and hydraulic control method |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20160831 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |