CN2112152U - Borehole two-end seal leakage detector - Google Patents
Borehole two-end seal leakage detector Download PDFInfo
- Publication number
- CN2112152U CN2112152U CN 90225165 CN90225165U CN2112152U CN 2112152 U CN2112152 U CN 2112152U CN 90225165 CN90225165 CN 90225165 CN 90225165 U CN90225165 U CN 90225165U CN 2112152 U CN2112152 U CN 2112152U
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- Prior art keywords
- hole
- plug
- water
- inflation
- sebific duct
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Abstract
The utility model discloses a borehole two-end seal leakage detector, belonging to the test device of a rock body project. The aim of the utility model is to carry out the segmenting and blocking water injection or the leak detection of inflation on drillings with arbitrary elevation and depression angle in the rock body, testing directly the flow quantity of the leakage of the blocking hole section on each depth to ascertain the development condition of the crack of the rock body or the breakage of surrounding rock. The device of the utility model is formed by that two hole sealing water injection (inflation) devices at both ends are connected via an intermediate conductor, and has two functions of hole sealing and water injection (inflation). The common method used for the leak detection of the drillings, the device of the utility model can be used for carrying out the segmenting water injection of the drillings and the leak detection of the inflation to save the construction cost and to increase the work efficiency as well as to increase the reliability of the observation result.
Description
The utility model relates to a kind of boring double-end sealing leak detection device that uses when adopting boring subsection water injection or inflation to leak hunting technical measurement rock mass internal crack development condition and the rock mass engineering project surrounding rock failure degree of depth, scope, belongs to the rock engineering test device.
Also do not have before the application a kind ofly not only can especially can in last oblique uphole, carry out segmentation packing water filling or inflation, the easy mechanical hook-up of rock mass seepage situation on each degree of depth of Continuous Observation in the declivity hole of bowing.
Applicant was once made the single-ended plug-hole water filling device of a kind of conventional capsule formula in 1979.Water-filling problem in the hole when successfully having solved last inclined hole acoustic measurement.The structure of this device is shown in figure one; be nested with on the hard tubular armature (1.2) in hole with holes by an individual layer sebific duct (1.1); two ends are overlapped umbrella protective sleeve (1.3) again and are tightened the formation blister cavities with tight bandaging piece (1.4); one end is a water inlet, and the other end is that an adjustable single of being made up of stage clip (1.5), recessed (1.6), steel ball (1.7) and look nut (1.8) is to flowing water Valve.Regulate stage clip (1.5) by look nut (1.8), the water-filling pressure of the opening pressure that makes valve during greater than sebific duct (1.1) expansion encystation.When being sent into, this device facing upward in the inclined borehole and when supplying water pressurization, hydraulic pressure at first makes sebific duct (1.1) bulging encystation, blocks boring; Back down valve then and, when the water surface floods the sound wave inserting tube (1.9) that is fixed on the device upper end, can carry out acoustic measurement by the water filling in portion's hole section that makes progress of tube wall hole.This device only is fit to last inclined hole plug-hole and a small amount of water-filling, the water column no ceiling, and hydrostatic force is very little in the hole, and injection flow and hole wall seepage size are irrelevant.Have only after the whole boring that is blocked is full of water, when injection flow and hole wall seepage reach balance, could be according to injection flow size measurement hole wall leakage flow, to determine hole wall crack situation.If leak hunting with this device subsection water injection of holing, the fills with water of then must behind plug-hole on each degree of depth, will holing, measure wholely, calculate the leakage flow of hole section between adjacent two plug-hole positions (degree of depth) then by difference by total wastage of plug-hole section.Because of water injection rate and hydraulic pressure are bigger, work efficiency is too low, and utricule intensity and equal this kind of incompatibility of valve mechanism purposes.
The purpose of this utility model be to provide a kind of not only can be in the rock body drilled at inclination angle of facing upward arbitrarily, bow the plug-hole water-filling, carry out acoustic measurement, and can be in the hole segmentation packing water filling or inflation leak hunting, directly measure the easy mechanical hook-up of packing hole section leakage flow on each degree of depth, to determine the rock mass internal crack development condition and the rock mass engineering project surrounding rock failure degree of depth.
The utility model adopts both-end plug-hole scheme and has designed new utricule and valve mechanism, has made water, the dual-purpose boring double-end sealing leak detection device of gas.It can carry out segmentation packing water filling or inflation to the boring at any inclination angle of facing upward, bow, and directly measures rock mass leakage flow in each degree of depth packing section accurately and reliably, determines the destruction situation of rock mass fast with minimum engineering cost and better simply utility appliance.
One-piece construction of the present utility model is shown in figure two, and it connects two the plug-hole water fillings in two ends (inflation) devices (2.2) by intermediate conductor (2.1) and forms.The structure of plug-hole water filling (inflation) device (2.2) is shown in figure three, and it is made of skeleton (3.2), plug-hole sebific duct (3.3), valve glue ring (3.4), tight bandaging piece (3.5), support ring (3.6) and plug nut (3.7).Skeleton (3.2) is the tubular housing of being made by hard material, has hole around the plug-hole position, has the valve eyelet around water filling (inflation) position.Plug-hole sebific duct (3.3) is the combination sebific duct of a three-decker, is nested with on the plug-hole position of skeleton (3.2), and tighten to water (gas) sealing state with tight bandaging piece (3.5) at two ends, and can expand behind the water-filling (gas) forms sacculus, is used for shutoff boring.The effect of three-decker is: (1) internal layer is a thin layer glue tire, water-filling (gas) after expansion; (2) middle level is the elastic cloth cover, plays position-limiting action, promptly is tied after making the hose lining tire expand into to a certain degree, breaks in order to avoid transfinite; (3) skin is the thick-layer sebific duct, and the back of expanding contacts sealing of hole with borehole wall and protection is inner two-layer not frayed.Valve glue ring (3.4) tightly is enclosed within on the valve eyelet of skeleton (3.2), and an end is tightened with tight bandaging piece (3.5), forms the one-way cock of a similar tire valve inside formula.The open and close pressure threshold that the tight bundle power of valve glue ring (3.4) will make valve works water-filling (gas) pressure when expanding greater than plug-hole sebific duct (3.3), to guarantee water-filling (gas) back plug-hole sebific duct (3.3) sealing of hole that at first expands that boosts, just can back down valve to plugging hole section water filling (gas) when water (gas) is pressed the opening pressure threshold value that continues to be elevated to greater than valve then.In case plugging hole section fills with water (gas) and because of missing the faint hole Duan Shui (gas) that makes when voltage rise is high, this pressure will react on valve glue ring (3.4), strengthen its tight Shu Li, thereby reduce water filling (stream amount, notes, loss of equilibrium in reaching the hole section, make interior water (gas) pressure of plugging hole section all the time less than water (gas) pressure in the capsule behind plug-hole sebific duct (3.3) the expansion encystation, and water-filling (gas) pressure of its difference when rise expanding, guarantee that utricule is not extruded distortion, keep plugging effect.Be fixed on the two ends of plug-hole sebific duct (3.3) by screw thread by hard material (duroplasts, bakelite, the metal etc.) support ring of making (3.6); when device when push-and-pull is moved in boring; it contacts slip with hole wall, play a part to support and protection plug-hole sebific duct (3.3).The two ends of skeleton (3.2) and conduit (3.1) water (gas) sealed attachment, outer end add rubber washer with plug nut (3.7) and tighten and block.The external end head of a plug-hole water filling (inflation) device (2.2) of conduit among the figure two (2.1) other end, by a special joint be connected with the high-pressure rubber pipe of a push rod and an internal diameter 8-10mm and with the hole outside utility appliance---hand-operating pressure pump, flow instrument, Drainage valve, tensimeter etc. are formed the field observation system.
When observing, connect the double-end sealing leak detection device of to hole with many push rods by root and be pushed into the degree of depth to be measured in the hole, start hand pump and in the hole, install setting-out (or calming the anger), two plug-hole sebific ducts (3.3) encystation that at first expands, to treat the both-end shutoff up and down of gaging hole section, Open valve is to the water filling of plugging hole section (or inflation) then, treat that water (gas) is full of the plugging hole section, behind the stability of flow (flow of annotating the hole section this moment reaches balance with the flow of missing from the hole wall crack), can measure water filling (inflation) flow by flow instrument, it promptly is the leakage flow of plugging hole section, can judge hole wall crack situation whereby.Observation finishes, and opens Drainage valve, and water (gas) is pressed rapidly and descended, and the plug-hole capsule shrinks, and the water (gas) in the plugging hole section releases, and just device in the hole can be passed next hole section, shuts Drainage valve, carries out the observation of above-mentioned steps once more.
The utility model has the advantages that:
(1) simple in structure, manufacture easily, cheap;
(2) versatility platform.The fluid media (medium) available water that is used to fill capsule and leaks hunting, also available air changes just that auxiliary ligand complete equipment and measurement instrument get final product outside the hole.Supported weight when the employing aeration can save the water source and further alleviate observation.Device detachably changes single-ended plug-hole water filling device into, is used for the inclined hole acoustic measurement;
(3) modern design.Capsule has three-decker, and limit function is arranged, and intensity is big; Adopt valve inside formula valve, one-way performance is good, has guaranteed plugging effect.
Claims (4)
1, a kind of boring double-end sealing leak detection device that uses when adopting boring subsection water injection or inflation to leak hunting technical measurement body cranny development and surrounding rock failure situation is characterized in that connecting two the plug-hole water fillings in two ends (inflation) devices (2.2) by intermediate conductor (2.1) constitutes its one-piece construction.
2, according to the described boring double-end sealing leak detection of claim 1 device, the plugging mechanism system of its plug-hole water filling (inflation) device (2.2) is nested with by plug-hole sebific duct (3.3) and is having on the hard material tubular armature (3.2) of hole, and the blister cavities that forms is tightened with tight bandaging piece (3.5) in two ends.It is characterized in that plug-hole sebific duct (3.3) is the combination sebific duct of a three-decker, internal layer is a thin layer glue tire, plays the effect of water-filling (gas) bulging; The middle level is the elastic cloth cover, plays position-limiting action, and the maximum swelling limit of constraint hose lining tire is broken in case transfinite; Skin is the thick-layer sebific duct, and also protection is inner two-layer not frayed to contact plug-hole with hole wall during expansion.
3, according to the described boring double-end sealing leak detection of claim 1 device, water filling (inflation) mechanism that it is characterized in that plug-hole water filling (inflation) device (2.2) is the last one-way cock of also at one end tightening the similar tire valve inside formula that forms with tight bandaging piece (3.5) of valve hole limit that tightly is enclosed within skeleton (3.2) by valve glue ring (3.4), the tight bundle power of valve glue ring (3.4) will make opening of one-way cock, close pressure threshold value and work water-filling (gas) pressure when expanding greater than plug-hole sebific duct (3.3), with guarantee water-filling (gas) when boosting plug-hole sebific duct (3.3) at first rise be expanded into the capsule plug-hole then Open valve to the sequencing of plugging hole section water filling (gas), and guarantee that interior water (gas) pressure of plugging hole section is all the time less than institute's water-filling (gas) pressure in the capsule, and its difference to be greater than the swelling pressure power that rises of capsule, thereby definitely guarantees plugging effect.
4, according to claim 1 or 2 described boring double-end sealing leak detection devices; it is characterized in that plug-hole sebific duct (3.3) two ends are provided with hard material support ring (3.6); when push-and-pull is moved in device is being holed, be used for supporting and protect plug-hole sebific duct (3.3) to avoid hole wall and wear and tear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90225165 CN2112152U (en) | 1990-12-25 | 1990-12-25 | Borehole two-end seal leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90225165 CN2112152U (en) | 1990-12-25 | 1990-12-25 | Borehole two-end seal leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2112152U true CN2112152U (en) | 1992-08-05 |
Family
ID=4902648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90225165 Granted CN2112152U (en) | 1990-12-25 | 1990-12-25 | Borehole two-end seal leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2112152U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886543A (en) * | 2010-07-05 | 2010-11-17 | 陕西省煤炭地质测量技术中心 | Exploring tube used for observing coal seam goaf fissure zone subsection water injection |
| CN102797455A (en) * | 2012-08-24 | 2012-11-28 | 淮南矿业(集团)有限责任公司 | Rock stratum fracture detecting device |
| CN102980987A (en) * | 2012-10-31 | 2013-03-20 | 山东科技大学 | Simulation test stand for plugging of two ends of drill hole |
| CN104179491A (en) * | 2014-08-26 | 2014-12-03 | 山东科技大学 | Ultrasonic detecting device and system for downhole rock fracture drilling |
| CN105334308A (en) * | 2015-09-23 | 2016-02-17 | 辽宁工程技术大学 | Surrounding rock crack growth dynamic monitoring method and monitoring apparatus thereof |
| CN105372410A (en) * | 2015-12-09 | 2016-03-02 | 山东科技大学 | Double-terminal plugging leak hunting integrated observing system |
| CN105841889A (en) * | 2016-04-27 | 2016-08-10 | 苏州富强科技有限公司 | Seal assembly for sliding reset mechanism |
| CN107191165A (en) * | 2017-04-19 | 2017-09-22 | 中煤科工集团西安研究院有限公司 | Both-end blocks water filling device in hole |
| CN108444889A (en) * | 2018-04-20 | 2018-08-24 | 大连理工大学 | Become pressure adjustable rock cranny testing permeability device |
| CN108709841A (en) * | 2018-04-20 | 2018-10-26 | 大连理工大学 | Permeability of rock in-situ testing device |
| CN108732075A (en) * | 2018-04-20 | 2018-11-02 | 大连理工大学 | Permeability of rock home position testing method |
-
1990
- 1990-12-25 CN CN 90225165 patent/CN2112152U/en active Granted
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886543A (en) * | 2010-07-05 | 2010-11-17 | 陕西省煤炭地质测量技术中心 | Exploring tube used for observing coal seam goaf fissure zone subsection water injection |
| CN102797455A (en) * | 2012-08-24 | 2012-11-28 | 淮南矿业(集团)有限责任公司 | Rock stratum fracture detecting device |
| CN102980987B (en) * | 2012-10-31 | 2014-12-17 | 山东科技大学 | Simulation test stand for plugging of two ends of drill hole |
| CN102980987A (en) * | 2012-10-31 | 2013-03-20 | 山东科技大学 | Simulation test stand for plugging of two ends of drill hole |
| CN104179491B (en) * | 2014-08-26 | 2018-12-28 | 西安科技大学 | Underground rock cranny drilling supersonic sounding device and system |
| CN104179491A (en) * | 2014-08-26 | 2014-12-03 | 山东科技大学 | Ultrasonic detecting device and system for downhole rock fracture drilling |
| CN105334308A (en) * | 2015-09-23 | 2016-02-17 | 辽宁工程技术大学 | Surrounding rock crack growth dynamic monitoring method and monitoring apparatus thereof |
| CN105372410A (en) * | 2015-12-09 | 2016-03-02 | 山东科技大学 | Double-terminal plugging leak hunting integrated observing system |
| CN105841889A (en) * | 2016-04-27 | 2016-08-10 | 苏州富强科技有限公司 | Seal assembly for sliding reset mechanism |
| CN107191165A (en) * | 2017-04-19 | 2017-09-22 | 中煤科工集团西安研究院有限公司 | Both-end blocks water filling device in hole |
| CN108444889A (en) * | 2018-04-20 | 2018-08-24 | 大连理工大学 | Become pressure adjustable rock cranny testing permeability device |
| CN108709841A (en) * | 2018-04-20 | 2018-10-26 | 大连理工大学 | Permeability of rock in-situ testing device |
| CN108732075A (en) * | 2018-04-20 | 2018-11-02 | 大连理工大学 | Permeability of rock home position testing method |
| CN108709841B (en) * | 2018-04-20 | 2020-05-19 | 大连理工大学 | Rock mass permeability in-situ testing device |
| CN108732075B (en) * | 2018-04-20 | 2020-05-19 | 大连理工大学 | Rock mass permeability in-situ test method |
| CN108444889B (en) * | 2018-04-20 | 2020-05-19 | 大连理工大学 | Variable-pressure adjustable rock mass fracture permeability testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |