CN214894740U - Double-plugging leakage detection device for observation - Google Patents
Double-plugging leakage detection device for observation Download PDFInfo
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- CN214894740U CN214894740U CN202120636193.5U CN202120636193U CN214894740U CN 214894740 U CN214894740 U CN 214894740U CN 202120636193 U CN202120636193 U CN 202120636193U CN 214894740 U CN214894740 U CN 214894740U
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- water inlet
- inlet pipe
- pipe
- water
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Abstract
The utility model discloses an observation double-plugging leak detection device, which comprises a plugging water inlet pipe, a water injection water inlet pipe, an outer pipe, an inner pipe and an operation rack; one end of the outer pipe is connected with a connector, a first mounting hole and a second mounting hole are formed in the connector, the first mounting hole is communicated with one end of the plugging water inlet pipe, the second mounting hole is communicated with one end of the water injection water inlet pipe, and the other ends of the plugging water inlet pipe and the water injection water inlet pipe are communicated with a water inlet pipeline arranged on the operation rack; the two ends of the outer side of the outer pipe are both welded with capsule seats and are connected with expansion capsules through the capsule seats, the outer pipe is provided with leakage blocking holes, and the interior of the outer pipe is communicated with the interior of the expansion capsules through the leakage blocking holes; the middle part of the outer pipe is provided with a water through hole penetrating through the side wall of the outer pipe; the inner tube is fixedly connected to the inner side of the outer tube, one end of the inner tube is communicated with the plugging water inlet tube through the first mounting hole, a water outlet connector is arranged on the side face of the inner tube, and the inner portion of the inner tube is communicated with the plugging hole through the water outlet connector.
Description
Technical Field
The utility model relates to a rock mass engineering field especially relates to an survey two stifled leak hunting devices.
Background
The permeability of the rock mass is an important parameter for reflecting the damage characteristics of the rock mass, the change of the permeability of the rock mass is closely related to the damage of the rock mass, the damage range of the rock mass can be further judged by exploring the change of the permeability, and the method has important significance for further researching the damage mechanism and the water inrush mechanism of the rock mass.
At present, the common means for detecting the damage range of the rock mass include a direct current electric method, a transient electromagnetic method, a micro-seismic detection method and a water pressure test method. The direct current method and the transient electromagnetic method are easily influenced by an electromagnetic field of an operation environment, and the micro-seismic detection method and the signal propagation are easily influenced by cracks, so that the data obtained by a borehole water-pressurizing test method represented by a borehole two-end plugging device are most accurate and reliable.
However, the existing plugging detection device has a complex structure and a high operation difficulty, and when water is injected, the situation of pipeline crack or damage of plugging devices often occurs due to overlarge pressure, and the using effect of the plugging detection device is seriously reduced, so that the existing plugging detection device needs to be improved.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a simple structure, convenient to use's two leaking hunting devices of observation.
In order to realize the purpose, the technical scheme of the utility model is that:
an observation double-blockage leakage detection device comprises a blocking water inlet pipe, a water injection water inlet pipe, an outer pipe, an inner pipe and an operation rack; the outer pipe is in a hollow round pipe shape with one sealed end, the unsealed end of the outer pipe is connected with a connector, a first mounting hole and a second mounting hole are formed in the connector, the first mounting hole is communicated with one end of the plugging water inlet pipe, the second mounting hole is communicated with one end of the water injection water inlet pipe, and the other ends of the plugging water inlet pipe and the water injection water inlet pipe are communicated with a water inlet pipeline arranged on the operation rack; the outer side of the outer pipe is provided with a leakage blocking hole, and the interior of the outer pipe is communicated with the interior of the expansion capsule through the leakage blocking hole; the middle part of the outer pipe is provided with a water through hole penetrating through the side wall of the outer pipe; the inner tube is fixedly connected to the inner side of the outer tube, one end of the inner tube is communicated with the plugging water inlet tube through the first mounting hole, a water outlet connector is arranged on the side face of the inner tube, and the inner portion of the inner tube is communicated with the plugging hole through the water outlet connector.
Furthermore, the water inlet pipeline comprises a first water inlet pipe and a second water inlet pipe, the first water inlet pipe and the second water inlet pipe are both arranged on the operation rack, one end of the first water inlet pipe is communicated with one end of the water injection water inlet pipe, one end of the second water inlet pipe is communicated with one end of the blocking water inlet pipe, and the other ends of the first water inlet pipe and the second water inlet pipe are communicated with the water inlet main pipe through a three-way joint; the first water inlet pipe is sequentially provided with a flow meter, a first stop valve, a first pressure meter, a first pressure reducing valve, a first water drain valve and a second stop valve from left to right; and a third stop valve, a second pressure gauge, a second pressure reducing valve, a second water drain valve and a fourth stop valve are sequentially arranged on the second water inlet pipe from left to right.
Furthermore, the one end of connector is connected with the one end of connecting cylinder, and the other end of connecting cylinder is connected with the drilling rod through drilling rod installation head.
Furthermore, a pipeline connecting hole is formed in the side wall of the connecting cylinder; one end of the blocking water inlet pipe and one end of the water injection water inlet pipe penetrate into the connecting cylinder from the pipeline connecting hole and are respectively connected with the first mounting hole and the second mounting hole.
Further, survey two stifled leak hunting devices still including being used for carrying out the reelpipe machine of accomodating to shutoff inlet tube, water injection inlet tube, the reelpipe machine includes support frame, reel frame and support frame rotatable coupling.
Compared with the prior art, the utility model has the advantages and positive effect be:
when the utility model is used, firstly, after a hole is drilled in a roadway top plate rock layer according to requirements by a drilling machine in a roadway, a drill rod mounting head is connected with a drill rod, and the drilling machine stops running when sending an observation double-plugging leak detection device to a measured position through the drill rod; opening a fourth stop valve, reducing the pressure of high-pressure (dozens of kilograms) hydrostatic water in a water inlet main pipe to (6-8 kilograms) through a second pressure reducing valve, opening a third stop valve at the front end of a second pressure gauge after the reading of the second pressure gauge meets the requirement, delivering the water into an expansion capsule through a plugging water inlet pipe and an inner pipe, expanding the expansion capsule after being pressurized so as to plug two ends in a hole, and closing the third stop valve for pressure maintaining after plugging; the plugging operation is realized; then opening a second stop valve, reducing the pressure of the water to 5-6 kilograms by a first pressure reducing valve, opening the first stop valve in front of a first pressure gauge after the pressure of the water meets the pressure requirement by the first pressure gauge, conveying the water into the drill hole through a flowmeter and an outer pipe, observing whether the water is lost after water injection through the flowmeter and testing the loss of the water; after the test is finished, respectively opening the first water drain valve and the second water drain valve to drain water, and continuing to detect leakage at the next position;
the utility model discloses can to pitch freely in the rock mass, the drilling at dip angle carries out the segmentation shutoff water injection or aerify and leak hunting, directly survey and get the leakage flow of shutoff hole section water on each degree of depth to know the rock mass crack and develop or the country rock destruction situation. The utility model is simple in operation, its design that combines together through manometer and stop valve keeps at a stable value with the rivers pressure in the outer tube simultaneously, has avoided the situation that outer tube, inflation capsule collapse and split to take place, has improved the utility model discloses an excellent in use effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a diagram illustrating the effect of the present invention;
FIG. 2 is a partial structure diagram of the present invention;
fig. 3 is a schematic structural diagram of the tube rolling machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.
As shown in fig. 1 to 3, the present embodiment discloses a device for observing double plugging and leak detection, which comprises a plugging water inlet pipe 3, a water injection water inlet pipe 4, a connecting cylinder 6, an outer pipe 9, an inner pipe 10, and an operation rack 21; the outer pipe 9 is in a hollow round pipe shape with one sealed end, the sealed end of the outer pipe 9 extends into the drill hole 11, the unsealed end of the outer pipe 9 is connected with a connector 12, one end of the connector 12 is connected with one end of the connecting cylinder 6, and the other end of the connecting cylinder 6 is connected with one end of the drill rod 2 through the drill rod mounting head 5; the other end of the drill rod 2 is connected with the drilling machine 1, and a pipeline connecting hole is formed in the side wall of the connecting cylinder 6; one ends of the plugging water inlet pipe 3 and the water injection water inlet pipe 4 penetrate into the connecting cylinder 6 from the pipeline connecting hole and are respectively connected with the first mounting hole and the second mounting hole; a first mounting hole and a second mounting hole are formed in the connector 12, the first mounting hole is communicated with one end of the plugging water inlet pipe 3, the second mounting hole is communicated with one end of the water injection water inlet pipe 4, and the other ends of the plugging water inlet pipe 3 and the water injection water inlet pipe 4 are communicated with a water inlet pipeline arranged on the operation rack 21; the outer side of the outer pipe 9 is welded with a capsule seat 8 at both ends and is connected with an expansion capsule 7 through the capsule seat 8, the outer side wall of the outer pipe 9 and the expansion capsule 7 are kept in a sealed state, a leakage blocking hole is formed in the outer pipe 9, and the interior of the outer pipe 9 is communicated with the interior of the expansion capsule 7 through the leakage blocking hole; the middle part of the outer pipe 9 is provided with a water through hole 901 penetrating through the side wall of the outer pipe 9; the inner pipe 10 is fixedly connected to the inner side of the outer pipe 9, one end of the inner pipe 10 is communicated with the plugging water inlet pipe 3 through a first mounting hole, a water outlet joint 1001 is arranged on the side face of the inner pipe 10, and the inside of the inner pipe 10 is communicated with the plugging hole through the water outlet joint 1001.
The water inlet pipeline comprises a first water inlet pipe 28 and a second water inlet pipe 22, the first water inlet pipe 28 and the second water inlet pipe 22 are both arranged on the operation rack 21, one end of the first water inlet pipe 28 is communicated with one end of the water injection water inlet pipe 4, one end of the second water inlet pipe 22 is communicated with one end of the blocking water inlet pipe 3, and the other ends of the first water inlet pipe 28 and the second water inlet pipe 22 are communicated with the water inlet main pipe 20 through a three-way joint 19; the first water inlet pipe 28 is sequentially provided with a flow meter 13, a first stop valve 14, a first pressure meter 15, a first pressure reducing valve 16, a first water drain valve 17 and a second stop valve 18 from left to right (i.e. from the water injection water inlet pipe 4 to the three-way joint 19); a third stop valve 23, a second pressure gauge 24, a second pressure reducing valve 25, a second water drain valve 26 and a fourth stop valve 27 are sequentially arranged on the second water inlet pipe 22 from left to right (i.e. from the direction of blocking the water inlet pipe 3 to the three-way joint 19).
Survey two stifled leak hunting device still including being used for taking in the reelpipe machine of shutoff inlet tube 3, water injection inlet tube 4, the reelpipe machine includes support frame 30, reel frame 29 and support frame 30 rotatable coupling.
The external thread at one end of the drill rod mounting head is matched and connected with the internal thread of the drill rod, the external thread at one end of the drill rod mounting head is matched and connected with the internal thread of the connecting cylinder, and a water through hole is drilled in the middle of the drill rod mounting head.
Internal threads at two ends of the connecting cylinder are respectively connected with the drill rod mounting head and the external threads of the connector, and the middle part of the connecting cylinder is equally washed with three long holes, so that the mounting and the extraction of the plugging water inlet pipe and the water injection water inlet pipe are facilitated.
One end of the connector is welded with the outer pipe, the other end of the connector is provided with an outer thread which is connected with an inner thread of the connecting cylinder, two fixed expansion capsule grooves are turned on the maximum excircle, two holes are drilled in the middle of the circle, one hole penetrates through the inner pipe and is welded, and a threaded hole is provided with an air pipe which is connected quickly and can be filled with water into the outer pipe.
The capsule seat is welded on the outer tube, and two fixed expansion capsule grooves are processed on the excircle to play the roles of supporting, fixing the expansion capsule and blocking water.
Holes are formed in the two ends of the outer pipe and are welded with the inner pipe, and a plurality of water through holes are drilled in the middle of the outer pipe, so that the rock holes are filled through the water through holes after water is introduced into the device; then the expansion capsule is respectively welded with the capsule seat and the connector (welded by penetrating the inner tube), is a framework of the device, and plays roles in supporting the expansion capsule, isolating and plugging water and detecting water (gas) in a leakage cavity.
Because the common pressure of the underground static water is between 10 and 18 kilograms and greatly exceeds the pressure range of 6 to 8 kilograms of the expansion capsule, a high-pressure reducing valve, a pressure gauge and a stop valve are arranged on the operating platform, so that the expansion capsule is prevented from being broken when the water pressure is too high; whether the rock layer in the hole breaks is accurately observed in a subsection mode, the flow meter is installed on the water injection operation table, and whether the rock layer breaks can be conducted according to the water loss amount.
Because the hydrostatic pressure is large, a common air pipe or a small-diameter rubber pipe cannot bear the hydrostatic pressure, the plugging water (air) inlet pipe and the water injection water (air) inlet pipe of the device system adopt an automobile brake air pipe with the diameter phi of 10mm, and the device system can generally bear about 15 kilograms of pressure.
The device is provided with a tube coiling machine, which comprises a support frame, a shaft, a bearing, a winding drum frame and the like; because the brake air pipe is hard, the diameter of a reel pipe of a reel machine sold in the market is too small, and the air pipe is easy to damage when the reel pipe is reeled, so that the reel machine meeting the requirement of the diameter of the reel pipe of the brake air pipe is designed and processed; the drilling depth is generally between 90 and 150 meters, the plugging and water injection pipe needs about 200 and 300 meters of air pipes, the workplace is easily disordered during working, and the pipe coiling machine is adopted to coil the pipe, so that the workplace is clean and convenient, the labor is saved, the brake air pipe is not easily damaged, and the working efficiency is greatly improved.
The utility model discloses can to pitch freely in the rock mass, the drilling at dip angle carries out the segmentation shutoff water injection or aerify and leak hunting, directly survey and get the leakage flow of shutoff hole section water on each degree of depth to know the rock mass crack and develop or the country rock destruction situation. The utility model is simple in operation, its design that combines together through manometer and stop valve keeps at a stable value with the rivers pressure in the outer tube simultaneously, has avoided the situation that outer tube, inflation capsule collapse and split to take place, has improved the utility model discloses an excellent in use effect.
Claims (5)
1. The utility model provides an survey two stifled leak hunting device which characterized in that: the observation double-blockage leakage detection device comprises a blockage water inlet pipe, a water injection water inlet pipe, an outer pipe, an inner pipe and an operation rack; the outer pipe is in a hollow round pipe shape with one sealed end, the unsealed end of the outer pipe is connected with a connector, a first mounting hole and a second mounting hole are formed in the connector, the first mounting hole is communicated with one end of the plugging water inlet pipe, the second mounting hole is communicated with one end of the water injection water inlet pipe, and the other ends of the plugging water inlet pipe and the water injection water inlet pipe are communicated with a water inlet pipeline arranged on the operation rack; the outer side of the outer pipe is provided with a leakage blocking hole, and the interior of the outer pipe is communicated with the interior of the expansion capsule through the leakage blocking hole; the middle part of the outer pipe is provided with a water through hole penetrating through the side wall of the outer pipe; the inner tube is fixedly connected to the inner side of the outer tube, one end of the inner tube is communicated with the plugging water inlet tube through the first mounting hole, a water outlet connector is arranged on the side face of the inner tube, and the inner portion of the inner tube is communicated with the plugging hole through the water outlet connector.
2. The observation double block leak detection device according to claim 1, wherein: the water inlet pipeline comprises a first water inlet pipe and a second water inlet pipe, the first water inlet pipe and the second water inlet pipe are both arranged on the operation rack, one end of the first water inlet pipe is communicated with one end of the water injection water inlet pipe, one end of the second water inlet pipe is communicated with one end of the blocking water inlet pipe, and the other ends of the first water inlet pipe and the second water inlet pipe are communicated with the water inlet main pipe through a three-way joint; the first water inlet pipe is sequentially provided with a flow meter, a first stop valve, a first pressure meter, a first pressure reducing valve, a first water drain valve and a second stop valve from left to right; and a third stop valve, a second pressure gauge, a second pressure reducing valve, a second water drain valve and a fourth stop valve are sequentially arranged on the second water inlet pipe from left to right.
3. The observation double block leak detection device according to claim 2, wherein: one end of the connector is connected with one end of the connecting cylinder, and the other end of the connecting cylinder is connected with the drill rod through the drill rod mounting head.
4. The observation double block leak detection device according to claim 3, wherein: a pipeline connecting hole is formed in the side wall of the connecting cylinder; one end of the blocking water inlet pipe and one end of the water injection water inlet pipe penetrate into the connecting cylinder from the pipeline connecting hole and are respectively connected with the first mounting hole and the second mounting hole.
5. The observation double block leak detection device according to claim 4, wherein: survey two leaking hunting devices still including being used for accomodating the reelpipe machine that shutoff inlet tube, water injection inlet tube were accomodate, the reelpipe machine includes support frame, reel frame and support frame rotatable coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120636193.5U CN214894740U (en) | 2021-03-30 | 2021-03-30 | Double-plugging leakage detection device for observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120636193.5U CN214894740U (en) | 2021-03-30 | 2021-03-30 | Double-plugging leakage detection device for observation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214894740U true CN214894740U (en) | 2021-11-26 |
Family
ID=78871766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120636193.5U Expired - Fee Related CN214894740U (en) | 2021-03-30 | 2021-03-30 | Double-plugging leakage detection device for observation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214894740U (en) |
-
2021
- 2021-03-30 CN CN202120636193.5U patent/CN214894740U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |