CN102445336B - Multi-blade multi-angle rock breaking device for rock ripper - Google Patents
Multi-blade multi-angle rock breaking device for rock ripper Download PDFInfo
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- CN102445336B CN102445336B CN 201110304224 CN201110304224A CN102445336B CN 102445336 B CN102445336 B CN 102445336B CN 201110304224 CN201110304224 CN 201110304224 CN 201110304224 A CN201110304224 A CN 201110304224A CN 102445336 B CN102445336 B CN 102445336B
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Abstract
The invention discloses a multi-blade multi-angle rock breaking device for a rock ripper. The device comprises a self-reaction force frame body, an annular confining pressure loading workbench, a Z-direction servo actuator, an X-direction servo actuator, a Y-direction internal servo actuator, a horizontal dual-layer linear guide rail, a three-direction pressure sensor and the like, wherein the lateral moving direction of a rock test piece is set as an axis X; the propelling direction of the rock test piece is set as an axis Y; a direction which is vertical to the breaking surface of the rock test piece is set as an axis Z; the X-direction servo actuator is arranged between the horizontal dual-layer linear guide rail and the annular confining pressure loading workbench; the Y-direction internal servo actuator is arranged between the horizontal dual-layer linear guide rail and the self-reaction force frame body; and the Z-direction servo actuator is arranged between a guide rail guide mechanism and the self-reaction force frame body. In the device, the annular confining pressure loading function of rock is simulated, so that the rock test piece is closer to real geological conditions, parameter measuring values such as a blade distance and the like are more accurate, the design level of the rock ripper is raised, and tunnel construction accidents are controlled.
Description
Technical field
The present invention relates under a kind of rock confined pressure loading environment in the rock ripper field, simulation rock development machine multitool multi-angle is broken the rock test unit.
Background technology
At present, rock ripper is the main equipment of rock tunnel construction field, and the rock geology condition is very complicated and changeable, yet is difficult to accurately survey before the construction, is to cause the main cause that construction speed is slow in the tunneling process, accident takes place frequently.Adopt the broken thrum degree governor motion of ring-type confined pressure load maintainer and cutter, test at specific rock sample, can the real simulation rock ripper the broken rock process of cutter in the construction, it is many real bearing state of cutter at broken confined pressure state rock to detect development machine, with more accurate acquisition development machine design of key components parameter, improve driving speed, rock at different uniaxial compressive strengths, adjusted in concert boring machine cutter cutting edge inclination and tool deflection angle, to improve the efficient of development machine fractured rock, reduce the constructing tunnel accident that causes because of the confined pressure variation.Present existing rock tunneling machine cutter breaks the rock testing equipment, can not detect the real bearing state of ring-type confined pressure bottom tool, can not multitool adjusted in concert cutting-tool angle test.Therefore, developing the broken rock device of a kind of rock ripper multitool multi-angle is the new problem of being badly in need of solution.
Summary of the invention
The purpose of this invention is to provide the broken rock device of a kind of rock ripper multitool multi-angle, has simulation rock development machine tunneling process function, simulation rock confined pressure function, can regulate and many cutter roll extrusion angle of shear, deflection angle be carried out rock failure, detect the test unit of boring machine cutter stress synchronously.
The object of the present invention is achieved like this: a kind of rock ripper multitool multi-angle is broken the rock device, formed by self-reaction force support body, ring-type confined pressure loading worktable, the base of tool, ball pivot joint chair, cutting-tool angle adjusting snap ring, Z-direction servo actuator, guide rail guiding mechanism, boring machine cutter, rock sample, X-direction servo actuator, the built-in servo actuator of Y-direction, the double-deck line slideway of level, triaxial pressure sensor, rock sample is displaced sideways direction is made as X-axis, the rock sample direction of propulsion is made as Y-axis, perpendicular to rock sample crusher surface direction be made as the Z axle; The X-direction servo actuator is installed in the double-deck line slideway of level and the ring-type confined pressure loads between the worktable, the built-in servo actuator of Y-direction is installed between the double-deck line slideway of level and the self-reaction force support body, the Z-direction servo actuator is installed between guide rail guiding mechanism and the self-reaction force support body, the guide rail guiding mechanism, the double-deck line slideway of level is installed on the self-reaction force support body, boring machine cutter is fixed in the base of tool, the base of tool is connected with ball pivot joint chair bolt by the triaxial pressure sensor, the ball pivot joint chair is installed on the guide rail guiding mechanism, cutting-tool angle is regulated snap ring and is installed on the ball pivot joint chair, and rock sample is fixed in the ring-type confined pressure and loads in the worktable; The principle of work of described device is, begin test in the rock sample outside, the Z-direction servo actuator drives the guide rail guiding mechanism, make the relative rock sample of boring machine cutter reach the injection amount of setting, the X-direction servo actuator drives the ring-type confined pressure and loads worktable, make boring machine cutter arrive the initial broken position of rock sample, the built-in servo actuator of Y-direction drives the ring-type confined pressure by the double-deck line slideway of level and loads the worktable rectilinear motion, it is broken that rock sample is taken place under the boring machine cutter effect, the injection amount remains unchanged in the shattering process, the changeable pressure of cutter and rock; Begin test on the rock surface, the Z-direction servo actuator drives the guide rail guiding mechanism, makes boring machine cutter act on the pressure that the rock sample surface reaches setting, and it is constant to keep-up pressure in the rock failure process, and the injection amount is variable; Regulate snap ring by changing cutting-tool angle during test, regulate ball pivot joint chair deflection angle, change the knife edge angular of boring machine cutter fractured rock, realize the broken rock of multi-angle; Handle is installed to fix a cutting tool, rock failure in the middle of can making under the cutter effect occurs in the stress field environment of adjacent cutter generation, the rock failure condition is more near actual excavation work, realized the broken rock simulation of multitool multi-angle, as taking place, boring machine cutter transships in the entire test, unload by automatic adjusting Z-direction servo actuator, the ring-type confined pressure loads worktable and adopts hydraulic cylinder to load in the segmentation of rock sample circumferencial direction, can simulate the internal stress of rock under the different geologic conditions, realized the rock failure simulation under the true geologic condition, individual direction servo actuator acting force finally all acts on the self-reaction force support body, adopt the triaxial pressure sensor to detect the boring machine cutter stress in real time, and then obtain the broken rock parameter of optimum of boring machine cutter.
Main points of the present invention are its structure and principle of work.Begin test in the rock sample outside, the Z-direction servo actuator drives the guide rail guiding mechanism, make the relative rock sample of boring machine cutter reach the injection amount of setting, the X-direction servo actuator drives the ring-type confined pressure and loads worktable, make boring machine cutter arrive the initial broken position of rock sample, the built-in servo actuator of Y-direction drives the ring-type confined pressure by the double-deck line slideway of level and loads the worktable rectilinear motion, it is broken that rock sample is taken place under the boring machine cutter effect, the injection amount remains unchanged in the shattering process, the changeable pressure of cutter and rock; Begin test on the rock surface, the Z-direction servo actuator drives the guide rail guiding mechanism, makes boring machine cutter act on the pressure that the rock sample surface reaches setting, and it is constant to keep-up pressure in the rock failure process, and the injection amount is variable; Regulate snap ring by changing cutting-tool angle during test, regulate ball pivot joint chair deflection angle, change the knife edge angular of boring machine cutter fractured rock, realize the broken rock of multi-angle; Handle is installed to fix a cutting tool, rock failure in the middle of can making under the cutter effect occurs in the stress field environment of adjacent cutter generation, the rock failure condition is more near actual excavation work, realized the broken rock simulation of multitool multi-angle, as taking place, boring machine cutter transships in the entire test, unload by automatic adjusting Z-direction servo actuator, the ring-type confined pressure loads worktable and adopts hydraulic cylinder to load in the segmentation of rock sample circumferencial direction, can simulate the internal stress of rock under the different geologic conditions, realized the rock failure simulation under the true geologic condition, individual direction servo actuator acting force finally all acts on the self-reaction force support body, adopt the triaxial pressure sensor to detect the boring machine cutter stress in real time, and then obtain the broken rock parameter of optimum of boring machine cutter.
The broken rock device of rock ripper multitool multi-angle compared with prior art has simulation rock ring-type confined pressure value-added tax function, makes rock sample more near true geologic condition; Have manyly cutter simulation rock shattering process simultaneously, realize that measured value of parameters such as, cutter spacing stressed to boring machine cutter is more accurate; Have tool deflection angle and angle of shear synchronous regulation mechanism, make that the boring machine cutter efficiency of breaking rock is higher, effectively promote the design level of rock ripper and the advantages such as generation of control constructing tunnel accident, will be widely used in the rock ripper field.
Description of drawings
The present invention is described in detail below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Embodiment
With reference to accompanying drawing, a kind of rock ripper multitool multi-angle is broken the rock device, formed by self-reaction force support body 1, ring-type confined pressure loading worktable 2, the base of tool 3, ball pivot joint chair 4, cutting-tool angle adjusting snap ring 5, Z-direction servo actuator 6, guide rail guiding mechanism 7, boring machine cutter 8, rock sample 9, X-direction servo actuator 10, the built-in servo actuator 11 of Y-direction, the double-deck line slideway 12 of level, triaxial pressure sensor 13, rock sample 9 is displaced sideways direction is made as X-axis, rock sample 9 direction of propulsion are made as Y-axis, perpendicular to rock sample 9 crusher surface directions be made as the Z axle.X-direction servo actuator 10 is installed in the double-deck line slideway 12 of level and the ring-type confined pressure loads between the worktable 2, the built-in servo actuator 11 of Y-direction is installed between the double-deck line slideway 12 of level and the self-reaction force support body 1, Z-direction servo actuator 6 is installed between guide rail guiding mechanism 7 and the self-reaction force support body 1, guide rail guiding mechanism 7, the double-deck line slideway 12 of level is installed on the self-reaction force support body 1, boring machine cutter 8 is fixed in the base of tool 3, the base of tool 3 is connected with ball pivot joint chair 4 bolts by triaxial pressure sensor 13, ball pivot joint chair 4 is installed on the guide rail guiding mechanism 7, cutting-tool angle is regulated snap ring 5 and is installed on the ball pivot joint chair 4, and rock sample 9 is fixed in the ring-type confined pressure and loads in the worktable 2; The principle of work of described device is, begin test in rock sample 9 outsides, Z-direction servo actuator 6 drives guide rail guiding mechanism 7, make boring machine cutter 8 relative rock samples 9 reach the injection amount of setting, X-direction servo actuator 10 drives the ring-type confined pressure and loads worktable 2, make boring machine cutter 8 arrive rock sample 9 initial broken positions, the built-in servo actuator 11 of Y-direction drives the ring-type confined pressure by the double-deck line slideway 12 of level and loads worktable 2 rectilinear motions, it is broken that rock sample 9 is taken place under boring machine cutter 8 effects, the injection amount remains unchanged in the shattering process, the changeable pressure of cutter and rock; Begin test on the rock surface, Z-direction servo actuator 6 drives guide rail guiding mechanism 7, makes boring machine cutter 8 act on the pressure that rock sample 9 surfaces reach setting, and it is constant to keep-up pressure in the rock failure process, and the injection amount is variable; Regulate snap ring 5 by changing cutting-tool angle during test, regulate ball pivot joint chair 4 deflection angles, change the knife edge angular of boring machine cutter fractured rock, realize the broken rock of multi-angle; Install 3 to fix a cutting tool, rock failure in the middle of can making under the cutter effect occurs in the stress field environment of adjacent cutter generation, the rock failure condition is more near actual excavation work, realized the broken rock simulation of multitool multi-angle, as taking place, boring machine cutter 8 transships in the entire test, unload by automatic adjusting Z-direction servo actuator 6, the ring-type confined pressure loads worktable 2 and adopts hydraulic cylinder to load in rock sample 9 circumferencial direction segmentations, can simulate the internal stress of rock under the different geologic conditions, realized the rock failure simulation under the true geologic condition, 3 direction servo actuator acting forces finally all act on self-reaction force support body 1, adopt triaxial pressure sensor 13 to detect boring machine cutter 8 stresses in real time, and then obtain the broken rock parameter of optimum of boring machine cutter 8.
Claims (2)
1. a rock ripper multitool multi-angle is broken the rock device, formed by self-reaction force support body, ring-type confined pressure loading worktable, the base of tool, ball pivot joint chair, cutting-tool angle adjusting snap ring, Z-direction servo actuator, guide rail guiding mechanism, boring machine cutter, rock sample, X-direction servo actuator, the built-in servo actuator of Y-direction, the double-deck line slideway of level, triaxial pressure sensor, it is characterized in that: rock sample is displaced sideways direction is made as X-axis, the rock sample direction of propulsion is made as Y-axis, perpendicular to rock sample crusher surface direction be made as the Z axle; The X-direction servo actuator is installed in the double-deck line slideway of level and the ring-type confined pressure loads between the worktable, the built-in servo actuator of Y-direction is installed between the double-deck line slideway of level and the self-reaction force support body, the Z-direction servo actuator is installed between guide rail guiding mechanism and the self-reaction force support body, the guide rail guiding mechanism, the double-deck line slideway of level is installed on the self-reaction force support body, boring machine cutter is fixed in the base of tool, the base of tool is connected with ball pivot joint chair bolt by the triaxial pressure sensor, the ball pivot joint chair is installed on the guide rail guiding mechanism, cutting-tool angle is regulated snap ring and is installed on the ball pivot joint chair, and rock sample is fixed in the ring-type confined pressure and loads in the worktable.
2. rock ripper multitool multi-angle according to claim 1 is broken the rock device, it is characterized in that: the principle of work of described device is, begin test in the rock sample outside, the Z-direction servo actuator drives the guide rail guiding mechanism, make the relative rock sample of boring machine cutter reach the injection amount of setting, the X-direction servo actuator drives the ring-type confined pressure and loads worktable, make boring machine cutter arrive the initial broken position of rock sample, the built-in servo actuator of Y-direction drives the ring-type confined pressure by the double-deck line slideway of level and loads the worktable rectilinear motion, it is broken that rock sample is taken place under the boring machine cutter effect, the injection amount remains unchanged in the shattering process, the changeable pressure of cutter and rock; Begin test on the rock surface, the Z-direction servo actuator drives the guide rail guiding mechanism, makes boring machine cutter act on the pressure that the rock sample surface reaches setting, and it is constant to keep-up pressure in the rock failure process, and the injection amount is variable; Regulate snap ring by changing cutting-tool angle during test, regulate ball pivot joint chair deflection angle, change the knife edge angular of boring machine cutter fractured rock, realize the broken rock of multi-angle; Handle is installed to fix a cutting tool, rock failure in the middle of can making under the cutter effect occurs in the stress field environment of adjacent cutter generation, the rock failure condition is more near actual excavation work, realized the broken rock simulation of multitool multi-angle, as taking place, boring machine cutter transships in the entire test, unload by automatic adjusting Z-direction servo actuator, the ring-type confined pressure loads worktable and adopts hydraulic cylinder to load in the segmentation of rock sample circumferencial direction, can simulate the internal stress of rock under the different geologic conditions, realized the rock failure simulation under the true geologic condition, individual direction servo actuator acting force finally all acts on the self-reaction force support body, adopt the triaxial pressure sensor to detect the boring machine cutter stress in real time, and then obtain the broken rock parameter of optimum of boring machine cutter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110304224 CN102445336B (en) | 2011-10-10 | 2011-10-10 | Multi-blade multi-angle rock breaking device for rock ripper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110304224 CN102445336B (en) | 2011-10-10 | 2011-10-10 | Multi-blade multi-angle rock breaking device for rock ripper |
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| CN102445336A CN102445336A (en) | 2012-05-09 |
| CN102445336B true CN102445336B (en) | 2013-09-11 |
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| CN 201110304224 Expired - Fee Related CN102445336B (en) | 2011-10-10 | 2011-10-10 | Multi-blade multi-angle rock breaking device for rock ripper |
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| CN102788693A (en) * | 2012-08-21 | 2012-11-21 | 中铁隧道装备制造有限公司 | Shield and TBM (tunnel boring machine) hob test bed |
| CN103837416B (en) * | 2014-03-18 | 2015-12-23 | 中国人民解放军理工大学 | That simulates deep rock mass stress state adds unloading test device |
| CN104154055B (en) * | 2014-07-25 | 2016-04-13 | 浙江大学 | TBM test stand thrust load simulated solution pressing system |
| CN106644735B (en) * | 2016-12-13 | 2019-09-13 | 中国煤炭科工集团太原研究院有限公司 | A kind of hobboing cutter static pressure broken rock experimental rig of angle adjustable |
| CN108225752B (en) * | 2017-12-18 | 2024-04-12 | 中国石油集团川庆钻探工程有限公司 | Comprehensive experimental device for particle impact drilling ground |
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| CN109192042B (en) * | 2018-07-24 | 2020-08-14 | 大连理工大学 | Tool changing experiment table of full-face rock tunnel boring machine |
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| CN110295915B (en) * | 2019-07-02 | 2020-08-04 | 中国科学院武汉岩土力学研究所 | Combined rock breaking TBM complex stratum tunneling method for realizing three-way force detection |
| CN110715869A (en) * | 2019-11-13 | 2020-01-21 | 吉林大学 | Hard rock tunneling hob rotary cutting test bed |
| CN111101962B (en) * | 2019-11-28 | 2021-03-02 | 沈阳建筑大学 | Multipurpose hob cutter head test bench and operation method |
| CN111157389A (en) * | 2019-12-31 | 2020-05-15 | 西南交通大学 | TBM rock breaking test bed with linear/rotary dual modes |
| CN111595682B (en) * | 2020-04-09 | 2023-10-31 | 中国平煤神马控股集团有限公司 | Large-scale complex surrounding rock condition anchoring and grouting integrated coupling effect test system and method |
| CN111624088B (en) * | 2020-04-20 | 2021-07-06 | 山东大学 | TBM hob and high-pressure water jet coupling rock breaking simulation test system and method |
| CN114324045B (en) * | 2022-03-10 | 2022-06-14 | 中铁第六勘察设计院集团有限公司 | Device and method for judging diggeability of shield cutter to boulders and hard rock bulges in soft soil |
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