CN102980987B - Simulation test stand for plugging of two ends of drill hole - Google Patents
Simulation test stand for plugging of two ends of drill hole Download PDFInfo
- Publication number
- CN102980987B CN102980987B CN201210424804.5A CN201210424804A CN102980987B CN 102980987 B CN102980987 B CN 102980987B CN 201210424804 A CN201210424804 A CN 201210424804A CN 102980987 B CN102980987 B CN 102980987B
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- Prior art keywords
- water injection
- platen
- bed plate
- injection pipe
- hydraulic cylinder
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Abstract
The invention provides a simulation test stand for plugging of two ends of a drill hole. The test stand comprises a support and a simulated water filling pipe. The support comprises a pedestal, a bed plate and a hydraulic cylinder; the bed plate is a rectangular metal plate, one end of the bed plate is a free end, and the other end of the bed plate is hinged with the pedestal; the hydraulic cylinder is fixedly arranged on the pedestal, and a piston of the hydraulic cylinder is in fixed connection with the bed plate and is used for push the bed plate to rotate around an articulated shaft of the bed plate so as to adjust an angle between the bed plate and the pedestal; the simulated water filling pipe is fixedly arranged on the bed plate, two ends of the simulated water filling pipe are sealed by a sealant, the pipe body of the simulated water filling pipe is provided with a plurality of water inlets and a plurality of multifunctional ports, the water inlets are uniformly distributed along an axial direction of the simulated water filling pipe, at least one water inlet is connected with a water pump, the other water inlets not connecting the water pump are sealed with plugs, the multifunctional ports are distributed along the axial direction of the simulated water filling pipe, and at least one multifunctional port is connected with a crack simulator.
Description
Technical field
The present invention relates to a kind of borehole sealing test unit, relate in particular to a kind of for simulating the test unit of both-end shutoff boring effect.
Background technology
In colliery, especially fissure zone is grown in more ripe coal mine roof plate, usually need to detect the size in top board crack by the leak hunting method of vector of water filling, by specialized equipment, to roof, hole, to water filling in a certain section of boring, water permeates in top board by crack, when water filling reaches capacity, according to actual water injection rate, namely wastage, the size in crack in judgement top board, thus draw the development degree in crack.
But in actual applications, existing equipment can only detect wastage, the relation between detection wastage that cannot be quantitative and water injection pressure, water injection time.To same coal seam, its wastage of different water injection pressures and water injection time is probably different, and at the workplace of some feature, its difference may be very large.
In the prior art, wastage and water injection pressure, the clear and definite corresponding relation of water injection time, do not have suitable test unit and equipment to determine above-mentioned relation yet.This situation has affected the application of both-end shutoff crack detection method greatly.
Summary of the invention
For addressing the above problem, the present invention proposes a kind of boring both-end shutoff simulator stand, comprises support and simulation water injection pipe,
Described support comprises base, platen and hydraulic cylinder, described platen is rectangle sheet metal, its one end is free end, the other end is hinged on described base, described hydraulic cylinder is fixedly installed on described base, the piston of described hydraulic cylinder is fixedly connected with described platen, rotates, to adjust the angle between itself and base for promoting described platen around its jointed shaft;
Described simulation water injection pipe is fixedly installed on described platen, the sealed plug sealing in its two ends, on the pipe shaft of described simulation water injection pipe, there is a plurality of water inlets and a plurality of Multifunctional mouth, described water inlet is axially uniformly distributed along described simulation water injection pipe, at least one water inlet connects water pump, the water inlet that does not connect water pump is used plug seal, and described Multifunctional mouth, along the axial distribution of described simulation water injection pipe, connects crack simulator on Multifunctional mouth described at least one.
Preferred Bonding pressure table on Multifunctional mouth described at least one.
Preferred described simulation water injection pipe has many, and many simulation water injection pipes are set in parallel on described platen.
The invention has the advantages that: simple in structure, failure rate is low; Can free adjustment simulate the angle of water injection pipe, fully simulate the water filling situation of holing under different angles; Water inlet is uniformly distributed along pipe shaft, avoids the impact of the pressure surge of water filling on test figure; Multifunctional mouth is set, by changing external equipment, changes the purposes of Multifunctional mouth, easy to use.
Accompanying drawing explanation
Accompanying drawing 1 is the supporting structure schematic diagram of boring both-end shutoff simulator stand of the present invention;
Accompanying drawing 2 is the simulation water injection pipe structural representation of boring both-end shutoff simulator stand of the present invention.
Reference numeral is as follows:
1-base; 2-platen; 3-hydraulic cylinder; 4-simulates water injection pipe; 5-seal rubber plug; 6-water inlet; 7-Multifunctional mouth; 8-tensimeter; 9-crack simulator.
Embodiment
Referring to accompanying drawing 1-2, it has described a specific embodiment of boring both-end shutoff simulator stand of the present invention.This testing table mainly comprises support and simulation water injection pipe.
Support integral body consists of metal, comprising base, platen and hydraulic cylinder.Platen is rectangle sheet metal, and it is the basis of carrying simulation water injection equipment.The four edges of platen is called after first side, Second Edge, the 3rd limit and the 4th limit successively, and its first side is free end, and the 3rd limit is hinged on base, and it can be rotated around the 3rd limit.Hydraulic cylinder is fixedly installed on base and directly and places on the ground, and its piston is fixedly connected with platen, rotates, to adjust the angle between platen and base for promoting platen around its jointed shaft the 3rd limit.
Simulation water injection pipe is the core component of testing table, and it is fixed on platen, and preferably limit is vertical arranges with the jointed shaft the 3rd of platen.Water injection pipe is roughly cylindrical shape, and the sealed plug sealing in its two ends, has a plurality of water inlets and a plurality of Multifunctional mouth on the pipe shaft of water injection pipe, and water inlet and Multifunctional mouth arrange in the both sides of pipe shaft respectively.Water inlet is axially uniformly distributed along simulation water injection pipe, and one or more water inlets connect water pump, for to water injection pipe water filling, connect general pressure table and flowmeter on water pump, and the water inlet that does not connect water pump is used plug seal, avoids leaking.Multifunctional mouth, along the axial distribution of simulation water injection pipe, can be installed the devices such as crack simulator or tensimeter on it.Crack simulator is for simulating crack and the space in coal seam, can use the blind pipe with aperture or finedraw to be used as crack simulator, also can use other suitable parts, by adjusting size and the quantity of aperture and finedraw, just can simulate different crack situations.For better simulating concrete environment, different crack simulators can be installed on the Multifunctional mouth of a plurality of different positions.As shown in this embodiment, in totally three Multifunctional mouths, below two Multifunctional mouths crack simulators are installed, above setting pressure table on a Multifunctional mouth, same, if had, do not connect crack simulator or manometric Multifunctional mouth, also need to use plug seal, leak avoiding.
For carry out a plurality of tests simultaneously, many simulation water injection pipes can be set, many simulation water injection pipes can be set in parallel on platen.
In use, first need according to actual conditions, on simulation water injection pipe, suitable crack simulator is set, then open water pump priming, record manometric reading in general pressure table, flowmeter and simulation water injection pipe simultaneously, and draw time plot, thereby draw in the situation of different cracks amount the relation of different injection pressure, water injection rate and water injection time.
The above; it is only preferably embodiment of patent of the present invention; but the protection domain of patent of the present invention is not limited to this; anyly be familiar with in technical scope that those skilled in the art disclose in patent of the present invention; the variation that can expect easily or replacement, within all should being encompassed in the protection domain of patent of the present invention.
Claims (3)
1. a boring both-end shutoff simulator stand, comprises support and simulation water injection pipe, it is characterized in that:
Described support comprises base, platen and hydraulic cylinder, described platen is rectangle sheet metal, its one end is free end, the other end is hinged on described base, described hydraulic cylinder is fixedly installed on described base, the piston of described hydraulic cylinder is fixedly connected with described platen, rotates, to adjust the angle between itself and base for promoting described platen around its jointed shaft;
Described simulation water injection pipe is fixedly installed on described platen, the sealed plug sealing in its two ends, on the pipe shaft of described simulation water injection pipe, there is a plurality of water inlets and a plurality of Multifunctional mouth, described water inlet is axially uniformly distributed along described simulation water injection pipe, at least one water inlet connects water pump, the water inlet that does not connect water pump is used plug seal, described Multifunctional mouth is along the axial distribution of described simulation water injection pipe, described at least one, on Multifunctional mouth, connect crack simulator, described crack simulator is the blind pipe with aperture or finedraw.
2. boring both-end shutoff simulator stand as claimed in claim 1, is characterized in that: Bonding pressure table on Multifunctional mouth described at least one.
3. as the boring both-end shutoff simulator stand under claim 1, it is characterized in that: described simulation water injection pipe has many, many simulation water injection pipes are set in parallel on described platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424804.5A CN102980987B (en) | 2012-10-31 | 2012-10-31 | Simulation test stand for plugging of two ends of drill hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424804.5A CN102980987B (en) | 2012-10-31 | 2012-10-31 | Simulation test stand for plugging of two ends of drill hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102980987A CN102980987A (en) | 2013-03-20 |
| CN102980987B true CN102980987B (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210424804.5A Expired - Fee Related CN102980987B (en) | 2012-10-31 | 2012-10-31 | Simulation test stand for plugging of two ends of drill hole |
Country Status (1)
| Country | Link |
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| CN (1) | CN102980987B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237025B (en) * | 2014-10-10 | 2016-08-17 | 山东科技大学 | A kind of closing boring Mining failure simulation experiment method |
| CN109441441B (en) * | 2018-11-15 | 2022-02-22 | 华北科技学院 | Simulation test device and method for coal seam bottom plate multi-angle inclined drilling grouting process under pressure-bearing flowing water action |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61191712A (en) * | 1985-02-18 | 1986-08-26 | Taniguchi Chishitsu Chiyousa Jimusho:Kk | Method and device of performing in-place test for permeation of water |
| JPS63235863A (en) * | 1987-03-25 | 1988-09-30 | Central Res Inst Of Electric Power Ind | Initial rock pressure measurement by hydraulic crushing |
| CN1062974A (en) * | 1990-12-25 | 1992-07-22 | 山东矿业学院 | Boring subsection water injection, the inflation technology of leaking hunting |
| CN2112152U (en) * | 1990-12-25 | 1992-08-05 | 山东矿业学院 | Borehole two-end seal leakage detector |
| CN101245701A (en) * | 2007-05-28 | 2008-08-20 | 中国矿业大学(北京) | Down-hole guiding height viewer and its observation method |
| CN101377479A (en) * | 2008-09-25 | 2009-03-04 | 山东科技大学 | Stope mine pressing three-dimensional physical simulation test stand |
| CN102305045A (en) * | 2011-08-05 | 2012-01-04 | 中联煤层气国家工程研究中心有限责任公司 | Shaft crack simulator |
| CN102350724A (en) * | 2011-07-06 | 2012-02-15 | 张逸群 | Manufacturing method of artificial core with crevices for simulated leaking stoppage experiment |
-
2012
- 2012-10-31 CN CN201210424804.5A patent/CN102980987B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61191712A (en) * | 1985-02-18 | 1986-08-26 | Taniguchi Chishitsu Chiyousa Jimusho:Kk | Method and device of performing in-place test for permeation of water |
| JPS63235863A (en) * | 1987-03-25 | 1988-09-30 | Central Res Inst Of Electric Power Ind | Initial rock pressure measurement by hydraulic crushing |
| CN1062974A (en) * | 1990-12-25 | 1992-07-22 | 山东矿业学院 | Boring subsection water injection, the inflation technology of leaking hunting |
| CN2112152U (en) * | 1990-12-25 | 1992-08-05 | 山东矿业学院 | Borehole two-end seal leakage detector |
| CN101245701A (en) * | 2007-05-28 | 2008-08-20 | 中国矿业大学(北京) | Down-hole guiding height viewer and its observation method |
| CN101377479A (en) * | 2008-09-25 | 2009-03-04 | 山东科技大学 | Stope mine pressing three-dimensional physical simulation test stand |
| CN102350724A (en) * | 2011-07-06 | 2012-02-15 | 张逸群 | Manufacturing method of artificial core with crevices for simulated leaking stoppage experiment |
| CN102305045A (en) * | 2011-08-05 | 2012-01-04 | 中联煤层气国家工程研究中心有限责任公司 | Shaft crack simulator |
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| CN102980987A (en) | 2013-03-20 |
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