CN204731039U - A kind of test-bed being suitable for the simulation of mine laneway pucking - Google Patents
A kind of test-bed being suitable for the simulation of mine laneway pucking Download PDFInfo
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- CN204731039U CN204731039U CN201520393731.7U CN201520393731U CN204731039U CN 204731039 U CN204731039 U CN 204731039U CN 201520393731 U CN201520393731 U CN 201520393731U CN 204731039 U CN204731039 U CN 204731039U
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Abstract
A kind of test-bed being suitable for the simulation of mine laneway pucking, comprise base and be located at the rectangular frame on base, this rectangular frame is made up of upper frame, underframe, front baffle, three body side frames, upper frame and body side frame are respectively equipped with some Long Distances chargers, this Long Distances charger comprises: the stroke adjustment screw mandrel being connected, being inserted in by guide rails assembling block upper frame and body side frame with load maintainer, is fixed at stroke adjustment screw mandrel end, is positioned at the wall interior panel of upper frame and body side frame; Underframe is provided with groove, is provided with load simulator in this groove, and this load simulator comprises: be located at the some loading plates in groove, connect the spring of loading plate and underframe.This test-bed can deep tunnel, surrounding rock of chamber deformation failure situation comparatively under real simulation test true triaxial stress, be particularly useful for base plate and heave the analysis of class test simulation, simultaneously the roof collapse, two that test-bed can realize in the past is helped to extrude and the sheet problem such as to drop applicable equally.
Description
[technical field]
The utility model belongs to the mineral products energy and deep Geotechnical Engineering experimental test technical field, is specifically related to a kind of test-bed being suitable for the simulation of mine laneway pucking,
[background technology]
Before ore body is not exploited, rock mass is in equilibrium state.When after orebody mining, define the underground space, destroy the primary stress field of rock mass, cause rock mass stress to redistribute, and till continuing up to the balance that in rock mass, formation is new.In stress redistribution process, country rock is made to produce distortion, mobile, destruction, thus pressure is produced to workplace, tunnel and country rock, a series of Mechanics Phenomenons that can produce under the effect of rock pressure [in mine---ore deposit pressure manifests, and as crushed, base plate heaves, the extrusion etc. of coal wall caving, deformation of timbering, strata movement, coal.Even if in today that Mineral Engineering, rock mechanics, Computer Numerical Simulation science develop rapidly, think that understanding related law theoretically is completely still impossible, therefore, Equivalent Materials Testing becomes irreplaceable research means in field of mining scientific research, plays more and more important effect in the scientific research and production practices of field of mining.Equivalent Materials Testing, adopt the artificial material similar in appearance to leiomyoma cells on mechanics, build one by a certain percentage and impose the load similar in appearance to prototype and engineering activity similar in appearance to the mechanical structure system of prototype, so as to mechanical process and the result thereof of learning prototype.Facts have proved, analog simulation technology has been widely applied at engineering fields such as mining, water conservancy project, ground, achieves great achievement, the practicality of this technology of the successful Application sufficient proof in Practical Project.But along with mining and the development of strata control technology, analog simulation technology is also in gradual perfection.Become increasingly complex along with exploiting the geologic condition related to, also more and more higher to analog simulation technical requirement.
Resemble simulation test system of the prior art, though to a certain degree achieving progress to underground excavation project research, but still there is following deficiency at present: 1. stereoscopic model is without (existing stereoscopic model is mostly this situation) when horizontal direction boosting mechanism, just produce passive support reaction by level to constraint, horizontal stress is caused to be limited by vertical load, artificial adjustment separately can not be realized, and under conventional similarity model test condition, the stress of two horizontal directions is identical, can not realize real triaxial test; 2. the top load mode of lifting jack pressure rigid plate, make the greatly stressed of lifting jack pressure head place, and outer rim is stressed little, load uneven, when bending subsidence phenomenon appears in the rock stratum at loading surface place, loading firm plate can not be servo-actuated, causes subsidence position place power can not add, and the edge generation stress that sinks is concentrated, this is the common problem that three-dimensional and plane physical simulation at present all exists; 3. Model A terrestrial is all adopt the mode of displacement constraint to carry out test simulation, cannot simulate for Floor Heave in Roadway class problem.
[utility model content]
The purpose of this utility model is to provide a kind of test-bed being suitable for the simulation of mine laneway pucking, for solving in prior art, and 1, because artificial adjustment separately cannot be realized, and the problem of real triaxial test can not be realized; 2, because top-loaded is uneven, cause subsidence position place power can not add, sinking edge produces the problem that stress is concentrated; 3, because model bottom adopts the mode of displacement constraint to carry out test simulation, the problem simulated cannot be carried out for Floor Heave in Roadway class problem.
The utility model is achieved through the following technical solutions, a kind of test-bed being suitable for the simulation of mine laneway pucking is provided, comprise base and be located at the rectangular frame above base, this rectangular frame is made up of upper frame, underframe, front baffle, three body side frames, described upper frame and body side frame outside are equipped with some load maintainers
Described upper frame and body side frame are respectively equipped with some Long Distances chargers, this Long Distances charger comprises: the stroke adjustment screw mandrel being connected, being inserted in by guide rails assembling block upper frame and body side frame with load maintainer, be fixed at stroke adjustment screw mandrel end, be positioned at the wall interior panel of upper frame and body side frame inwall, described Long Distances load maintainer moves on upper frame and body side frame along guide rails assembling block; The each wall interior panel surface being positioned at upper frame forms upper loading surface, is positioned at each wall interior panel surface of body side frame and forms side loading surface;
Described underframe inwall offers groove, is evenly provided with load simulator in this groove, and this load simulator comprises: level is located at the spring of some loading plates, connection loading plate and underframe in groove, and the surface of described each loading plate forms loading end.
Especially, described load maintainer is Hydraulic Station.
Especially, described stroke adjustment screw mandrel is provided with the first liquid injection hole, and this first liquid injection hole is communicated with by fluid pressure line with Hydraulic Station; Described wall interior panel is provided with the second liquid injection hole be communicated with the first liquid injection hole, and this wall interior panel offers spatial accommodation away from one end of rectangular frame sidewall, the loading pouch be communicated with the second liquid injection hole is provided with in this spatial accommodation, the each loading pouch surface being positioned at upper frame forms upper loading surface, is positioned at formation side, the surface loading surface of each loading pouch of body side frame.
Especially, described upper frame, body side frame are respectively equipped with a 16 Long Distances charger, 4*4 matrix lined up by these 16 Long Distances chargers.
Especially, described underframe is provided with 63 load simulators, and these 63 load simulators are arranged in 9*7 matrix.
Especially, the material of described loading pouch is flexible rubber.
Compared to prior art, a kind of test-bed being suitable for the simulation of mine laneway pucking that the utility model provides, by the setting of top and the some Long Distances chargers of sidepiece, artificially can regulate separately the stressing conditions of simulation ore body, achieve real triaxial test, making top-loaded more even simultaneously, solving in prior art because loading inequality, cause subsidence position place power can not add, sinking edge produces the problem that stress is concentrated; The setting of base load analogue means, carries out sunykatuib analysis for heaving class test to base plate, effectively overcome in the past in model support bottom adopt fixed displacement constraint, effectively cannot heave rule and the mechanism problem thereof of problem by sunykatuib analysis base plate.This test-bed can deep tunnel, surrounding rock of chamber deformation failure situation comparatively under real simulation test true triaxial stress, be particularly useful for base plate and heave the analysis of class test simulation, simultaneously the roof collapse, two that test-bed can realize in the past is helped to extrude and the sheet problem such as to drop applicable equally.
[accompanying drawing explanation]
Fig. 1 is a kind of side view being suitable for the test-bed of mine laneway pucking simulation of the utility model;
Fig. 2 is a kind of opposite side view being suitable for the test-bed of mine laneway pucking simulation of the utility model;
Fig. 3 is a kind of structural representation enlarged drawing being suitable for Long Distances charger in the test-bed of mine laneway pucking simulation of the utility model;
Fig. 4 is a kind of structural representation enlarged drawing being suitable for underframe in the test-bed of mine laneway pucking simulation of the utility model;
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1-Fig. 4, the utility model provides a kind of test-bed being suitable for the simulation of mine laneway pucking, comprise base 1 and be located at the rectangular frame 2 above base 1, this rectangular frame 2 is made up of upper frame 3, underframe 4, front baffle 5, three body side frames 6, and described upper frame 3 and body side frame 6 outside are equipped with some load maintainers;
Described upper frame 3 and body side frame 6 are respectively equipped with some Long Distances chargers 7, this Long Distances charger 7 comprises: the stroke adjustment screw mandrel 72 being connected, being inserted in by guide rails assembling block 71 upper frame 3 and body side frame 6 with load maintainer, be fixed at stroke adjustment screw mandrel 72 end, be positioned at the wall interior panel 73 of upper frame 3 and body side frame 6 inwall, described Long Distances load maintainer moves on upper frame 3 and body side frame 6 along guide rails assembling block 71; Each wall interior panel 73 surface being positioned at upper frame 3 forms upper loading surface 74, is positioned at each wall interior panel 73 surface of body side frame 6 and forms side loading surface 75; The setting of described stroke adjustment screw mandrel 72, causes not applying because test piece deformation is too large in process of the test the problem of load for solving traditional experiment stand stroke deficiency;
Described underframe 4 inwall offers groove 41, load simulator 42 is evenly provided with in this groove 41, this load simulator 42 comprises: level is located at the spring 44 of some loading plates 43, connection loading plate 43 and underframe 4 in groove 41, and the surface of described each loading plate 43 forms loading end 45; The Main Function of load simulator 42 is by uniformly distributed load bottom the form simulation of spring 44 counter-force in experimentation, thus provide main stress source for the bottom of deep tunnel, chamber bloats, realize this deep tunnel, sunykatuib analysis that class test is heaved in the bottom of chamber.
Especially, described load maintainer is Hydraulic Station, and described stroke adjustment screw mandrel 72 is provided with the first liquid injection hole 76, and this first liquid injection hole 76 is communicated with by fluid pressure line with Hydraulic Station; Described wall interior panel 73 is provided with the second liquid injection hole 77 be communicated with the first liquid injection hole 76, and this wall interior panel 73 offers spatial accommodation 78 away from one end of rectangular frame 2 sidewall, the loading pouch 79 be communicated with the second liquid injection hole 77 is provided with in this spatial accommodation 78, the material of this loading pouch 79 is flexible rubber, each loading pouch 79 surface being positioned at upper frame 3 forms upper loading surface 74, is positioned at formation side, the surface loading surface 75 of each loading pouch 79 of body side frame 6; The flexible setting loading pouch 79, be mainly used in overcoming in the past in test-bed rigid metal plate load unbalance stress, cannot the defect such as the accurate simulation material internal homogeneous state of stress.
Especially, described upper frame 3, body side frame 6 are respectively equipped with 16 Long Distances chargers 7,4*4 matrix lined up by these 16 Long Distances chargers 7.
Especially, described underframe 4 is provided with 63 load simulators 42, and these 63 load simulators 42 are arranged in 9*7 matrix.
The test-bed of mine laneway pucking simulation that what the utility model provided be suitable for is for testing distortion around the tunnel of ore body test specimen to be measured in follow-up excavation and Bracing Process and chamber, stressed and destruction situation.Wherein rectangular frame is welded by shaped steel, and its Main Function is to provide enough counter-forces to test model, and maintenance simultaneously distortion itself can not be too large, and designing and calculating and delivery receiving acceptance etc. all meet the related request in " Code for design of steel structures ".
Principle of work and the course of work:
Open front baffle 5, the ore body test specimen to be measured processed being carried out simulated experiment test from putting into rectangular frame 2, in ore body test specimen to be measured, digging out tunnel afterwards, mine laneway pucking simulated experiment test can be carried out.
1, by applying certain counter-force at bottom (i.e. underframe 4), each loading plate 43 is under the effect of its corresponding spring 44, realize mobile, can tunnel coal seam floor failure situation in effectively simulated experiment process, solve because loading plate is fixedly installed in prior art, and the problem of the stressed and crash simulation of roadway floor cannot be carried out;
2, by the Long Distances charger 7 of side direction and top and rear portion (i.e. upper frame 3 and body side frame 6), realize comparatively real force environment, meet the Large travel range demand of the deformation and failure simulation needs of whole experimentation simultaneously.In time using, the liquid in Hydraulic Station to be entered along the first liquid injection hole 76, second liquid injection hole 77 by fluid pressure line and loads pouch 79, overcome rigid metal plate in test-bed in the past load unbalance stress, cannot the defect of the accurate simulation material internal homogeneous state of stress.
Should be understood that, in those skilled in the art, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (6)
1. one kind is suitable for the test-bed of mine laneway pucking simulation, comprise base (1) and be located at the rectangular frame (2) above base (1), this rectangular frame (2) is made up of upper frame (3), underframe (4), front baffle (5), three body side frames (6), described upper frame (3) and body side frame (6) outside are equipped with some load maintainers, it is characterized in that
Described upper frame (3) and body side frame (6) are respectively equipped with some Long Distances chargers (7), this Long Distances charger (7) comprising: be connected with load maintainer, the stroke adjustment screw mandrel (72) of upper frame (3) and body side frame (6) is inserted in by guide rails assembling block (71), be fixed at stroke adjustment screw mandrel (72) end, be positioned at the wall interior panel (73) of upper frame (3) and body side frame (6) inwall, described Long Distances load maintainer above moves along guide rails assembling block (71) in upper frame (3) and body side frame (6), each wall interior panel (73) surface being positioned at upper frame (3) forms upper loading surface (74), is positioned at body side frame (6) each wall interior panel (73) surface and forms side loading surface (75),
Described underframe (4) inwall offers groove (41), load simulator (42) is evenly provided with in this groove (41), this load simulator (42) comprising: level is located at some loading plates (43) in groove (41), connect the spring (44) of loading plate (43) and underframe (4), and the surface of described each loading plate (43) forms loading end (45).
2. a kind of test-bed being suitable for the simulation of mine laneway pucking according to claim 1, it is characterized in that, described load maintainer is Hydraulic Station.
3. a kind of test-bed being suitable for the simulation of mine laneway pucking according to claim 2, it is characterized in that, described stroke adjustment screw mandrel (72) is provided with the first liquid injection hole (76), and this first liquid injection hole (76) is communicated with by fluid pressure line with Hydraulic Station; Described wall interior panel (73) is provided with the second liquid injection hole (77) be communicated with the first liquid injection hole (76), and this wall interior panel (73) offers spatial accommodation (78) away from one end of rectangular frame (2) sidewall, the loading pouch (79) be communicated with the second liquid injection hole (77) is provided with in this spatial accommodation (78), each loading pouch (79) surface being positioned at upper frame (3) forms upper loading surface (74), is positioned at the formation side, surface loading surface (75) of each loading pouch (79) of body side frame (6).
4. a kind of test-bed being suitable for the simulation of mine laneway pucking according to claim 1, it is characterized in that, described upper frame (3), body side frame (6) are respectively equipped with 16 Long Distances chargers (7), these 16 Long Distances chargers (7) line up 4*4 matrix.
5. a kind of test-bed being suitable for the simulation of mine laneway pucking according to claim 1, it is characterized in that, described underframe (4) is provided with 63 load simulators (42), and these 63 load simulators (42) are arranged in 9*7 matrix.
6. a kind of test-bed being suitable for the simulation of mine laneway pucking according to claim 3, it is characterized in that, the material of described loading pouch (79) is flexible rubber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520393731.7U CN204731039U (en) | 2015-06-08 | 2015-06-08 | A kind of test-bed being suitable for the simulation of mine laneway pucking |
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| CN201520393731.7U CN204731039U (en) | 2015-06-08 | 2015-06-08 | A kind of test-bed being suitable for the simulation of mine laneway pucking |
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| CN105510069A (en) * | 2015-12-04 | 2016-04-20 | 山东大学 | Automatic true-triaxial intelligent assembling physical simulation test device system and test method |
| CN105699031A (en) * | 2016-01-25 | 2016-06-22 | 大连理工大学 | Tunnel shaking table test device for simulating fracture effect of blind fault |
| CN106442143A (en) * | 2016-10-10 | 2017-02-22 | 青岛科技大学 | Soft-rock-like-simulated-roadway-project model test device |
| CN106501014A (en) * | 2016-09-21 | 2017-03-15 | 同济大学 | Vertical load testing machine for domain tunnel structure |
| CN106601111A (en) * | 2016-12-28 | 2017-04-26 | 天地科技股份有限公司 | Large true-triaxial simulation test stand for tunnel roof support |
| CN106706883A (en) * | 2016-12-29 | 2017-05-24 | 华北科技学院 | Fluid-structure interaction analog simulation test device |
| CN108007781A (en) * | 2017-11-17 | 2018-05-08 | 山东科技大学 | Roadway support mechanics simulation experiment system and its method under sound combined load |
| CN108645714A (en) * | 2018-06-19 | 2018-10-12 | 山东科技大学 | Analog material bottom distension simulation experiment system and test method |
| CN109164245A (en) * | 2018-08-30 | 2019-01-08 | 安徽理工大学 | A kind of mining formation dip is adjustable and multidirectional load analog simulation experiment shelf |
| CN110057526A (en) * | 2019-05-30 | 2019-07-26 | 安徽理工大学 | Simulate tunnel experimental bench loaded |
| CN112377232A (en) * | 2020-10-28 | 2021-02-19 | 中煤科工开采研究院有限公司 | Test device and method for testing reinforcement of anchor bolt support of broken rock mass |
| CN112414847A (en) * | 2020-11-09 | 2021-02-26 | 华北科技学院 | Horizontal grading loading device for analog simulation experiment rack |
| CN114674689A (en) * | 2022-03-31 | 2022-06-28 | 南京理工大学 | Test system for simulating target anti-knock characteristic under confining pressure condition |
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- 2015-06-08 CN CN201520393731.7U patent/CN204731039U/en not_active Expired - Fee Related
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| CN105510069A (en) * | 2015-12-04 | 2016-04-20 | 山东大学 | Automatic true-triaxial intelligent assembling physical simulation test device system and test method |
| CN105510069B (en) * | 2015-12-04 | 2018-08-07 | 山东大学 | Automate true triaxial Intelligent assembly physical analog test apparatus system and test method |
| CN105699031B (en) * | 2016-01-25 | 2018-04-24 | 大连理工大学 | A kind of tunneling vibrational platform experimental rig for simulating buried fault fracture effect |
| CN105699031A (en) * | 2016-01-25 | 2016-06-22 | 大连理工大学 | Tunnel shaking table test device for simulating fracture effect of blind fault |
| CN106501014A (en) * | 2016-09-21 | 2017-03-15 | 同济大学 | Vertical load testing machine for domain tunnel structure |
| CN106442143A (en) * | 2016-10-10 | 2017-02-22 | 青岛科技大学 | Soft-rock-like-simulated-roadway-project model test device |
| CN106601111A (en) * | 2016-12-28 | 2017-04-26 | 天地科技股份有限公司 | Large true-triaxial simulation test stand for tunnel roof support |
| CN106601111B (en) * | 2016-12-28 | 2024-05-14 | 天地科技股份有限公司 | Large-scale true triaxial roadway roof support simulation test bed |
| CN106706883A (en) * | 2016-12-29 | 2017-05-24 | 华北科技学院 | Fluid-structure interaction analog simulation test device |
| CN106706883B (en) * | 2016-12-29 | 2019-06-25 | 华北科技学院 | The experimental rig of fluid structurecoupling analog simulation |
| CN108007781A (en) * | 2017-11-17 | 2018-05-08 | 山东科技大学 | Roadway support mechanics simulation experiment system and its method under sound combined load |
| CN108007781B (en) * | 2017-11-17 | 2020-05-22 | 山东科技大学 | Dynamic and static combined load roadway support body mechanical simulation test system and method thereof |
| CN108645714B (en) * | 2018-06-19 | 2024-01-26 | 山东科技大学 | Similar material floor heave simulation test system and test method |
| CN108645714A (en) * | 2018-06-19 | 2018-10-12 | 山东科技大学 | Analog material bottom distension simulation experiment system and test method |
| CN109164245A (en) * | 2018-08-30 | 2019-01-08 | 安徽理工大学 | A kind of mining formation dip is adjustable and multidirectional load analog simulation experiment shelf |
| CN110057526B (en) * | 2019-05-30 | 2024-02-13 | 安徽理工大学 | Experiment table for simulating loading of roadway |
| CN110057526A (en) * | 2019-05-30 | 2019-07-26 | 安徽理工大学 | Simulate tunnel experimental bench loaded |
| CN112377232A (en) * | 2020-10-28 | 2021-02-19 | 中煤科工开采研究院有限公司 | Test device and method for testing reinforcement of anchor bolt support of broken rock mass |
| CN112414847A (en) * | 2020-11-09 | 2021-02-26 | 华北科技学院 | Horizontal grading loading device for analog simulation experiment rack |
| CN114674689A (en) * | 2022-03-31 | 2022-06-28 | 南京理工大学 | Test system for simulating target anti-knock characteristic under confining pressure condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Qinjie Inventor after: Hua Xinzhu Inventor after: Li Yingfu Inventor after: Li Zhihua Inventor before: Wang Wen Inventor before: Liu Qinjie Inventor before: Shao Weidong Inventor before: Tang Ning Inventor before: Huang Yanan |
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| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160608 |