CN202101893U - Testing apparatus for simulating mechanical action process of supporting jamb by filling bodies - Google Patents
Testing apparatus for simulating mechanical action process of supporting jamb by filling bodies Download PDFInfo
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- CN202101893U CN202101893U CN2011202220031U CN201120222003U CN202101893U CN 202101893 U CN202101893 U CN 202101893U CN 2011202220031 U CN2011202220031 U CN 2011202220031U CN 201120222003 U CN201120222003 U CN 201120222003U CN 202101893 U CN202101893 U CN 202101893U
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- obturation
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Abstract
The utility model relates to a testing apparatus for simulating a mechanical action process of supporting a jamb by filling bodies. The filling bodies are filled into the two sides of a jamb test block; clamp plates are arranged at the outer side of the filling bodies; both clamp plates are provided with corresponding through holes; a bolt penetrates through the through holes of the clamp plates and are fixedly connected with a nut; side clamp plates are arranged at two sides of the jamb test block and are positioned through a positioning device; both the bolt and the filling body are provided with sensitive elements; and a base plate is arranged on the surface of one side of the jamb test block. Through combining connection of two sets of clamp plates, the bolt and the screw, preset filling body test bodies with different strengths and high-strength concrete test blocks are used for respectively simulating the filling bodies and the jambs on spot; and a test method for pasting foil gauges on the bolt and the filling body can be combined for conveniently simulating a filling method mining scene and directly reflecting a test phenomenon in an action process of supporting the jamb by the filling bodies.
Description
Technical field
The utility model relates to the simulation anchor clamps, is used for the test of filling in mine body and surrounding rock interaction, particularly relates to a kind of test unit that obturation supports ore pillar mechanical function process of simulating.
Background technology
In recent years; Along with the further raising of national requirements for environmental protection and progressively riseing of metal price; Big distortion does not take place and fully reclaims resource in order to protect mining area surface in each big mine, and the method for mining by the way of filling has obtained application more and more widely, meanwhile; Various casting resins of different nature emerge in an endless stream, for example: dry stowing, hydraulic filling, waste fill, tailing-filled, paste body filling etc. entirely.Do you how to confirm that suitable strength of filling mass is to guarantee surface buildings and other installation securitys? How is the mechanism of action of obturation support ore pillar? Never have definite research answer; This makes stowing method in application process, lack sufficient theoretical foundation, to a certain degree limit the large-scale application of the method for mining by the way of filling.
How strength of filling mass is confirmed; Obturation is that how to support the stope country rock stable to safeguard stope; More than one since century; Chinese scholars takes methods such as mathematical method, field measurement method, physical similarity simulation, numerical simulation to launch extensive studies, has obtained the understanding and the theory of many valuable meanings.Wherein physical simulation is the method for the normal discussion of adopting of scholar now and research obturation and country rock interaction relationship.But as a whole; Test method like that is in simulation and reduction field process; The operation that has is too loaded down with trivial details, and the more not real reduction and the simulated field that have have perhaps been ignored some key factor; As: do not consider that obturation charges in the stope, can move and compression deformation along with the convergent deformation of country rock.
Summary of the invention
The purpose of the utility model provides a kind of brief test device simulation filling in mine body and interaction with wall rocks; This device is based on obturation and country rock interaction relationship and inquires into purpose and design research and development, is devoted to analyze and discloses obturation and support obturation autoclasia mechanism in the ore pillar mechanism of action and the supporting role process.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is a kind of test unit of simulating obturation support ore pillar mechanical function process; Comprise: anchor clamps, sensitive element, obturation and ore pillar test block, said anchor clamps are made up of clamping plate, bolt, nut, side clamping plate, locating device and backing plate, and ore pillar test block two sides are equipped with obturation; Clamping plate are equipped with in the obturation outside, and second splint is equipped with corresponding through hole, and bolt passes the clamping plate through hole and nut is fastenedly connected; The side clamping plate are installed on ore pillar test block both sides; And, sensitive element being housed all on bolt and the obturation through the locating device location, a side surface of ore pillar test block is equipped with backing plate.
Said locating device is that dog screw passes the positioning screw hole fixation side clamping plate on the bolt.
Said locating device is horizontal between two bolts a location-plate to be housed, and dog screw is housed on location-plate.
Said clamping plate thickness is the steel plate of 10mm～16mm.
Said sensitive element is foil gauge or mechanics sensor.
The utility model has the advantages that:
1) test block of creationary employing bolt and nut constraint control clamping plate generation transversal displacement squeeze packing body restrains mode mobile and then the compression obturation with the simulated field country rock; The image simulation in the scene country rock move the compression obturation to the convergent deformation of obturation direction; Through regulating bolt and nut; Can easily realize different transversal displacement constraint condition retrofilling bodies to ore pillar body supporting role difference, consider that just on-the-spot country rock convergent deformation degree supports the influence of ore pillar effect to obturation;
2) through sticking on foil gauge on the anchor clamps bolt; Make each root bolt in process of the test, form a simple and easy mechanics sensor; Can monitor the size of the tension on the bolt in each testing program easily; React acting force and reacting force between obturation and the ore pillar, also reacted the mechanics transfer function effect of varying strength obturation support ore pillar;
3) through sticking on the foil gauge on the obturation, can react obturation in each testing program intuitively and support in the ore pillar mechanism deformation failure situation of self, support self-deformation failure mechanism in the ore pillar mechanism to disclose obturation.
Adopt the utility model; Can carry out multivariant simulation; Can quantize the peak strength and the reaction obturation self-deformation destruction situation directly perceived when destroying that reach of ore pillar under the supporting role of varying strength obturation; Consider and simulate the country rock convergent deformation simultaneously and move,, have advantages such as easy to operately to carry out the multi-scheme simulation simply, simultaneously than other test units to obturation compression situation; In conjunction with means such as site test and numerical simulation analysis, can be filling process design, strength of filling mass confirms to provide scientific basis.
Description of drawings
Fig. 1 is the device scheme of installation of the utility model
Fig. 2 is that the A of Fig. 1 is to synoptic diagram
Among the figure: 1-anchor clamps, 11-clamping plate, 12-bolt, 13-nut, 14-side clamping plate, 15-locating device, 16-backing plate, 2-sensitive element, 3-obturation, the test block of 4-ore pillar, 5-positioning screw hole.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further, referring to Fig. 1 to Fig. 2, a kind of test unit of simulating obturation support ore pillar mechanical function process; Comprise: anchor clamps 1, sensitive element 2, obturation 3 and ore pillar test block 4; Said anchor clamps 1 are made up of clamping plate 11, bolt 12, nut 13, side clamping plate 14, locating device 15 and backing plate 16, and ore pillar test block 4 two sides are equipped with obturation 3, and clamping plate 11 are equipped with in obturation 3 outsides; Second splint 11 is equipped with corresponding through hole; Bolt 12 passes clamping plate 11 through holes and nut 13 is fastenedly connected, and side clamping plate 14 are installed on ore pillar test block 4 both sides, and through locating device 15 location; On bolt 12 and the obturation 3 sensitive element 2 is housed all, a side surface of ore pillar test block 4 is equipped with backing plate 16.
Said locating device 15 is that dog screw passes the positioning screw hole 5 fixation side clamping plate 14 on the bolt 12.
Said locating device 15 is 12 horizontal location-plates that are equipped with of two bolts, and dog screw is housed on the location-plate.
Said clamping plate 11 thickness are the steel plate of 10mm～16mm.
Said sensitive element 2 is foil gauge or mechanics sensor.
Embodiment:
A kind of test unit of simulating obturation support ore pillar mechanical function process comprises: anchor clamps 1, sensitive element 2, obturation 3 and ore pillar test block 4, and said anchor clamps 1 are made up of clamping plate 11, bolt 12, nut 13, side clamping plate 14, locating device 15 and backing plate 16; Ore pillar test block 4 two sides are equipped with obturation 3; Clamping plate 11 are equipped with in obturation 3 outsides, and second splint 11 is equipped with corresponding through hole, and bolt 12 passes clamping plate 11 through holes and nut 13 is fastenedly connected; Side clamping plate 14 are installed on ore pillar test block 4 both sides; And, on bolt 12 and the obturation 3 sensitive element 2 being housed all through locating device 15 location, a side surface of ore pillar test block 4 is equipped with backing plate 16.Locating device 15 is that dog screw passes the positioning screw hole 5 fixation side clamping plate 14 on the bolt 12.Clamping plate 11 thickness are the steel plate of 10mm.Sensitive element 2 is foil gauges.
Adopt Standard Module to make the obturation 3 and the strong concrete ore pillar test block 4 of different sand-lime proportionings, size is: length * wide * height: 100mm * 100mm * 100mm, carry out maintenance at fog room, and curing age is 28 days; Ore pillar test block 4 is strong concrete: preparing burden is iron ore rubble, additive, tailings, cement, water, the 28 day length of time uniaxial compressive strength to be more than 50 MPa; Obturation 3 is the obturation of different sand-lime proportionings: preparing burden is: tailings, cement, water, adopting cement-sand ratio in the test is 1:2,1:8,1:12, four kinds of varying strength obturations of 1:16.Clamping plate 11, side clamping plate 14, backing plate 16 are model AH32# steel plate and make.The performance that bolt 12 adopts is 8.8 grades a M16 bolt, (, get and play mould E=180GPa) according to " mechanical design handbook ", and length is 350mm.In addition; In the test: clamping plate 11 specifications are: 172mm * 100mm * 10mm, side clamping plate 14 specifications are: 100mm * 100mm * 10mm, backing plate 16 specifications are: 100mm * 100mm * 10mm; Clamping plate 11 are rigid material; Test middle clamp plate 11 elastic modulus differ nearly two one magnitude much larger than obturation 3 test blocks and ore pillar test block 4, therefore can suppose to think can not produce distortion at process of the test middle clamp plate 11.Ore pillar test block 4 places between the two side clamping plate 14; In addition two being sidelong and putting obturation 3 of ore pillar test block 4, obturation 3 outsides are equipped with 11, two clamping plate 11 of clamping plate and are equipped with corresponding through hole; Bolt 12 passes clamping plate 11 through holes and is connected with nut 13; Side clamping plate 14 are installed on ore pillar test block 4 both sides, are provided with positioning screw hole 5 on the bolt 12, and dog screw passes the positioning screw hole 5 constraint side clamping plate 14 on the bolt 12; On bolt 12 and obturation 3, all be pasted with foil gauge, backing plate 16 is equipped with on the ore pillar test block 4 vertical surfaces that load sides.
The utility model has been taken all factors into consideration the engineering site situation; Have the multi-scheme of realization analog functuion, convenient and simple, strong operability; The test of obturation being supported ore pillar mechanism mechanism has more intense practicality, is inquiring into and the research obturation has been fastened the certain experiences meaning with the shoulder bed effects pass.
Claims (5)
1. simulate the test unit that obturation supports ore pillar mechanical function process for one kind; Comprise: anchor clamps (1), sensitive element (2), obturation (3) and ore pillar test block (4); It is characterized in that; Said anchor clamps (1) are made up of clamping plate (11), bolt (12), nut (13), side clamping plate (14), locating device (15) and backing plate (16), and ore pillar test block (4) two sides are equipped with obturation (3), and clamping plate (11) are equipped with in obturation (3) outside; Second splint (11) is equipped with corresponding through hole; Bolt (12) passes clamping plate (11) through hole and nut (13) is fastenedly connected, and side clamping plate (14) are installed on ore pillar test block (4) both sides, and through locating device (15) location; On bolt (12) and the obturation (3) sensitive element (2) is housed all, a side surface of ore pillar test block (4) is equipped with backing plate (16).
2. test unit according to claim 1 is characterized in that, said locating device (15) is that dog screw passes positioning screw hole (5) the fixation side clamping plate (14) on the bolt (12).
3. test unit according to claim 1 is characterized in that, said locating device (15) is horizontal between two bolts (12) location-plate to be housed, and dog screw is housed on location-plate.
4. test unit according to claim 1 is characterized in that, said clamping plate (11) thickness is the steel plate of 10mm-16mm.
5. according to the said test unit of claim 1, it is characterized in that said sensitive element (2) is foil gauge or mechanics sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202220031U CN202101893U (en) | 2011-06-28 | 2011-06-28 | Testing apparatus for simulating mechanical action process of supporting jamb by filling bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202220031U CN202101893U (en) | 2011-06-28 | 2011-06-28 | Testing apparatus for simulating mechanical action process of supporting jamb by filling bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202101893U true CN202101893U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202220031U Expired - Lifetime CN202101893U (en) | 2011-06-28 | 2011-06-28 | Testing apparatus for simulating mechanical action process of supporting jamb by filling bodies |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279125A (en) * | 2011-06-28 | 2011-12-14 | 中国瑞林工程技术有限公司 | Test device and method for simulating mechanical action process of supporting of filling body on ore pillar |
| CN110186948A (en) * | 2019-05-14 | 2019-08-30 | 重庆大学 | A kind of bearing ring and ball thermal contact resistance measuring system and measurement method |
| CN110412240A (en) * | 2019-05-14 | 2019-11-05 | 华北理工大学 | Obturation and the three-dimensional analog simulation experimental rig of country rock interaction rule and method |
-
2011
- 2011-06-28 CN CN2011202220031U patent/CN202101893U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279125A (en) * | 2011-06-28 | 2011-12-14 | 中国瑞林工程技术有限公司 | Test device and method for simulating mechanical action process of supporting of filling body on ore pillar |
| CN110186948A (en) * | 2019-05-14 | 2019-08-30 | 重庆大学 | A kind of bearing ring and ball thermal contact resistance measuring system and measurement method |
| CN110412240A (en) * | 2019-05-14 | 2019-11-05 | 华北理工大学 | Obturation and the three-dimensional analog simulation experimental rig of country rock interaction rule and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
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| CX01 | Expiry of patent term |