CN220869348U - Hole wall long-term retaining system for easy-collapse drilling hole - Google Patents
Hole wall long-term retaining system for easy-collapse drilling hole Download PDFInfo
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- CN220869348U CN220869348U CN202322725785.6U CN202322725785U CN220869348U CN 220869348 U CN220869348 U CN 220869348U CN 202322725785 U CN202322725785 U CN 202322725785U CN 220869348 U CN220869348 U CN 220869348U
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- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 230000007774 longterm Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 239000007921 spray Substances 0.000 claims description 21
- 230000014759 maintenance of location Effects 0.000 claims 6
- 238000010926 purge Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000003595 mist Substances 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 abstract description 3
- 238000012800 visualization Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 239000011499 joint compound Substances 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses a long-term hole wall retaining system for a collapse-prone borehole, which comprises a transparent barrel, a supporting frame and a cleaning device, wherein a transparent filling layer is arranged between the outer part of the transparent barrel and the inner wall of the borehole; an anti-reflection pattern layer is arranged on the inner wall of the transparent cylinder; the cleaning device is movably arranged in the transparent cylinder. The advantages are that: the problem of difficult imaging caused by collapse of the wall of the borehole due to soft and broken rock is solved, and long-term maintenance of the borehole and multi-frequency and long-period acquisition of hole wall images can be realized; the hole wall visualization can be ensured on the basis of keeping the hole wall of the drilling hole intact; the device can realize high-efficiency, rapid and safe cleaning on the transparent cylinder, remove dust, mud, water stains and water mist in the transparent cylinder, ensure the visual effect of the underground television in the drilling, and provide observation conditions and data for the evolution process of the joint cracks in the rock mass under the action of factors such as quantized exploitation disturbance and the like.
Description
Technical field:
the utility model relates to the technical field of a rock mass internal joint fracture observation method in mining, in particular to a long-term hole wall retaining system for easy-collapse drilling.
The background technology is as follows:
Stress disturbance in the mineral resource development process can affect the rock structure and mechanical properties, and typical phenomenon is that the formation and expansion of a fracture surface inside a rock body are caused, and the strength of the rock body is reduced, so that observation and analysis of joint cracks inside the rock body are the basis for accurately evaluating the physical mechanical parameters and stability of the rock body.
Because of the poor self-stability of broken or weak rock, the borehole formed in the rock can collapse and block the borehole wall within a certain time, so that instruments and equipment such as underground televisions and the like cannot be normally lowered into the borehole to observe the stratum structure and structural surface development condition of the borehole wall again.
The traditional large-aperture drilling maintenance method comprises the following steps: the method is used for geological drilling, has high maintenance cost, and has less maintenance method for small-aperture drilling, so that the method for long-term maintenance of the hole wall of the small-aperture easy-collapse drilling is developed, and the long-term maintenance and multi-frequency long-period hole wall imaging of the hole wall of the drilling hole are necessary, and the method has good application prospect.
The utility model comprises the following steps:
The utility model aims to provide a long-term hole wall maintaining system for a collapsible drill hole, which can ensure the visualization of the hole wall on the basis of maintaining the integrity of the hole wall of the drill hole.
The utility model is implemented by the following technical scheme: the long-term hole wall maintaining system for the easy-collapse drilling hole comprises a transparent barrel, a supporting frame and a cleaning device, wherein the transparent barrel is arranged in the drilling hole through the supporting frame, and a plurality of supporting frames are arranged on the outer wall of the transparent barrel; a transparent filling layer is arranged between the outside of the transparent cylinder body and the inner wall of the drilling hole; an anti-reflection pattern layer is arranged on the inner wall of the transparent cylinder; the cleaning device is movably arranged in the transparent cylinder body.
Further, the support frame comprises a fixed shaft, a fixed rod and pulleys, wherein the fixed shaft is transversely arranged, two ends of the fixed shaft are fixedly connected with the outer wall of the transparent cylinder body through the fixed rod respectively, and the pulleys are rotatably arranged outside the fixed shaft.
Further, the fixing rod is a telescopic fixing rod, and two ends of the fixing shaft are respectively fixed with the outer wall of the transparent cylinder body through two fixing rods; a spring is arranged between the fixed shaft and the transparent cylinder.
Further, a guide rod is fixed on the outer wall of the transparent cylinder body between the two fixing rods, one end of the spring is sleeved outside the guide rod, and the other end of the spring is connected with the fixing shaft.
Further, the cleaning device comprises a water feeding pump, a water suction pump, an air pump, a water outlet spray head, an air outlet spray head and a water suction head, wherein an outlet of the water pump is connected with the water outlet spray head through a water outlet pipe, an inlet of the water suction pump is communicated with the water suction head through a water suction pipe, and an outlet of the air pump is communicated with the air outlet spray head through a high-pressure air pipe; the water outlet spray head, the air outlet spray head and the water suction head are movably arranged in the transparent cylinder body.
Further, the water outlet pipe, the water suction pipe and the high-pressure air pipe are arranged in the cleaning pipe.
Further, the device also comprises a cleaning head, wherein an annular water pipe is arranged at the upper part of the cleaning head, the outer wall of the annular water pipe is communicated with a plurality of water outlet spray heads which are obliquely arranged, and the outlet of the water outlet pipe is communicated with the annular water pipe; an annular air pipe is arranged on the side wall of the lower part of the cleaning head, the outer wall of the annular air pipe is communicated with a plurality of air outlet spray heads, and the outlet of the high-pressure air pipe is communicated with the annular air pipe; the bottom of the cleaning head is provided with the water suction head, and the inlet of the water suction pipe is communicated with the inlet of the water suction head.
Further, two fans with opposite blade directions are rotatably arranged on the outer wall of the cleaning head between the annular water pipe and the annular air pipe.
Further, the transparent cylinder comprises a lower cylinder body and an upper cylinder body, the bottom ends of the lower cylinder body and the upper cylinder body are sealed, and the bottom ends of the upper cylinder body are connected with the top ends of the lower cylinder body through connecting sections.
Further, the connecting section comprises a flexible pipe and a plurality of rigid sleeves fixed outside the flexible pipe; connecting pipes are respectively fixed at two ends of the flexible pipe and are connected with the bottom end of the corresponding upper section cylinder or the top end of the lower section cylinder through clamps.
The utility model has the advantages that: the problem of difficult imaging caused by collapse of the wall of the borehole due to soft and broken rock is solved, and long-term maintenance of the borehole and multi-frequency and long-period acquisition of hole wall images can be realized; the hole wall visualization can be ensured on the basis of keeping the hole wall of the drilling hole intact; the device can realize high-efficiency, rapid and safe cleaning on the transparent cylinder, remove dust, mud, water stains and water mist in the transparent cylinder, ensure the visual effect of the underground television in the drilling, and provide observation conditions and data for the evolution process of the joint cracks in the rock mass under the action of factors such as quantized exploitation disturbance and the like.
Description of the drawings:
fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of a connection section structure.
Fig. 3 is a schematic structural view of the support frame.
Fig. 4 is a schematic view of the structure of the cleaning tube.
Fig. 5 is a schematic view of a cleaning head.
FIG. 6 is a schematic view of a choke fan.
Tag name
1-Transparent cylinder, 11-lower cylinder, 12-upper cylinder, 13-connecting section, 14-flexible pipe, 15-rigid sleeve, 16-connecting pipe, 17-clamp, 2-support frame, 21-fixed shaft, 22-fixed rod, 23-pulley, 24-spring, 25-guide rod, 3-cleaning device, 31-water pump, 32-water suction pump, 33-air pump, 34-water outlet spray head, 35-air outlet spray head, 36-water suction head, 37-water outlet pipe, 38-water suction pipe, 39-high-pressure air pipe, 310-cleaning pipe, 311-cleaning head, 312-annular water pipe, 313-annular air pipe, 314-fan, 5-transparent filling layer and 6-anti-reflection pattern layer.
The specific embodiment is as follows:
In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
As shown in fig. 1 to 6, a hole wall long-term holding system for a collapsible borehole comprises a transparent cylinder 1, a support frame 2 and a cleaning device 3, wherein the transparent cylinder 1 is arranged in the borehole 4 through the support frame 2, the transparent cylinder 1 is made of acrylic material, the transparent cylinder 1 comprises a lower cylinder 11 and an upper cylinder 12 with the bottom end closed, and the bottom end of the upper cylinder 12 is connected with the top end of the lower cylinder 11 through a connecting section 13. The connection section 13 comprises a flexible tube 14 and a number of rigid sleeves 15 fixed outside the flexible tube 14; connecting pipes 16 are respectively fixed at two ends of the flexible pipe 14, and the connecting pipes 16 are connected with the bottom end of the corresponding upper section cylinder 12 or the top end of the lower section cylinder 11 through clamps 17. The rigid sleeve is stuck on the outer side of the flexible pipe 14 in a segmented mode, each section is 1-3cm, the distance is 2-3mm, the connecting section 13 can swing in a small amplitude range, and the transparent cylinder 1 can be smoothly inserted into a drilled hole when the drilled hole is deviated.
The outer wall of the transparent cylinder body 1 is provided with a plurality of support frames 2, the four support frames of the same group are distributed in a cross shape on the outer wall of the transparent cylinder body 1, and the transparent cylinder body 1 is positioned at the center of a drilling hole conveniently. The support frame 2 comprises a fixed shaft 21, a fixed rod 22 and a pulley 23, wherein the fixed shaft 21 is transversely arranged, two ends of the fixed shaft 21 are fixedly connected with the outer wall of the transparent cylinder 1 through the fixed rod 22 respectively, and the pulley 23 is rotatably arranged outside the fixed shaft 21. In the process of lowering the transparent cylinder 1, the pulley 23 is along the inner wall roller of the drill hole, so that the transparent cylinder 1 can be conveniently and smoothly inserted into the drill hole.
The fixed rod 22 is a telescopic fixed rod 22, and two ends of the fixed shaft 21 are respectively fixed with the outer wall of the transparent cylinder 1 through two fixed rods 22; a spring 24 is provided between the fixed shaft 21 and the transparent cylinder 1. A guide rod 25 is fixed on the outer wall of the transparent cylinder between the two fixing rods 22, one end of a spring 24 is sleeved outside the guide rod 25, and the other end of the spring 24 is connected with the fixing shaft 21. Through the cooperation of spring 24 and flexible dead lever 22, can support transparent barrel 1 in the drilling of different apertures, improved the suitability.
The transparent filling layer 5 is arranged between the outside of the transparent cylinder 1 and the inner wall of the drill hole, after the transparent cylinder 1 and the support frame 2 are integrally placed into the drill hole, transparent liquid resin is injected between the transparent cylinder 1 and the inner wall of the drill hole, the transparent filling layer 5 is formed after the transparent liquid resin is cooled, and the space between the transparent cylinder 1 and the drill hole is filled with the transparent filling layer 5, so that the outer wall of the transparent cylinder 1 can be prevented from being polluted to influence the observation effect. An anti-reflection pattern layer 6 is arranged on the inner wall of the transparent cylinder body 1, so that the influence of reflection between light and the cylinder wall when the underground television collects images is reduced.
The cleaning device 3 is movably arranged in the transparent cylinder 1, the cleaning device 3 comprises a water feeding pump 31, a water suction pump 32, an air pump 33, a water outlet nozzle 34, an air outlet nozzle 35 and a water suction nozzle 36, an outlet of the water pump 31 is connected with the water outlet nozzle 34 through a water outlet pipe 37, an inlet of the water pump 31 is connected with a water source, an outlet of the air pump 33 is communicated with the air outlet nozzle 35 through a high-pressure air pipe 39, an inlet of the water suction pump 32 is communicated with the water suction nozzle 36 through a water suction pipe 38, and the water suction nozzle 36 is of a sieve cage type structure. The water outlet spray head 34, the air outlet spray head 35 and the water suction head 36 are movably arranged in the transparent cylinder body 1. The inlet of the water pump is connected to a water source through a pipeline, when the water pump 31 is started for cleaning, high-pressure water sent by the water pump 31 is sprayed out through the water outlet spray head 34, and the inner wall of the transparent cylinder 1 is continuously cleaned; when the interior of the transparent cylinder 1 contains water mist and the water stain is serious, the air pump 33 is started, the air pump 33 sends high-pressure air to the high-pressure air pipe 39 and then ejects the high-pressure air through the air outlet nozzle 35, and the water stain on the inner wall of the transparent cylinder 1 is blown off by the air pressure, so that the demisting effect in the transparent cylinder 1 is realized. After the cleaning is finished, the water pump 31 and the high-pressure air pump 33 are turned off, the water suction pump 32 is turned on, and water at the bottom of the transparent cylinder 1 is sucked away through the water suction head 36.
Specifically, the water outlet pipe 37, the water suction pipe 38 and the high-pressure air pipe 39 are arranged in the cleaning pipe 310, the cleaning pipe 310 is retracted and released through a pipe coiling device, and a fixed pulley for guiding the cleaning tank is arranged at a drilling hole opening; and unified operation and management are convenient. The device also comprises a cleaning head 311, wherein the cleaning head 311 is fixed at the bottom end of the cleaning pipe 310, an annular water pipe 312 is arranged at the upper part of the cleaning head 311, a plurality of water outlet spray heads 34 which are obliquely arranged are communicated with the outer wall of the annular water pipe 312, the outlet of the water outlet pipe 37 is communicated with the annular water pipe 312, and high-pressure water sent by the water outlet pipe 37 firstly enters the annular water pipe 312 and then reaches each water outlet spray head 34; an annular air pipe 313 is arranged on the side wall of the lower part of the cleaning head 311, a plurality of air outlet spray nozzles 35 are communicated with the outer wall of the annular air pipe 313, the outlet of the high-pressure air pipe 39 is communicated with the annular air pipe 313, and high-pressure air sent by the high-pressure air pipe 39 firstly enters the annular air pipe 313 and then is sprayed out through each air outlet spray nozzle 35; a suction head 36 is provided at the bottom of the cleaning head 311, and an inlet of the suction pipe 38 communicates with an inlet of the suction head 36. Two choke fans 314 with opposite blade directions are rotatably arranged on the outer wall of the cleaning head 311 between the annular water pipe 312 and the annular air pipe 313. When the pipe wall cleaning device 3 is operated, the high-pressure air flow drives the fan 314 to rotate, so that the influence of the air flow on the high-pressure water flow is reduced, and the cleaning effect of the inner wall of the transparent cylinder 1 is improved.
The installation and use process comprises the following steps:
(1) Inserting a transparent cylinder 1 into the completed borehole;
(2) A high-strength transparent liquid resin is poured between the transparent cylinder body 1 and the wall of the drilling hole to form a transparent filling layer 5;
(3) After the resin is cooled and solidified to generate strength, the water pump 31 and the air pump 33 are started at the same time, the cleaning head 311 and the underground television are slowly lowered along the transparent cylinder 1, the inner wall of the transparent cylinder 1 is cleaned by high-pressure water, and water stains are flushed by high-pressure air;
(4) When the cleaning head 311 reaches the bottom of the barrel, the high-pressure air pump 33 and the water pump 31 are turned off, the downhole television is recovered, the water suction pump 32 is turned on, and the liquid accumulation at the bottom of the barrel is sucked away.
(5) When the transparent cylinder 1 contains water mist, and the cylinder wall is water-stained seriously, the air pump 33 is started to realize the demisting effect in the transparent cylinder 1.
(6) And after the transparent cylinder body 1 is cleaned, the underground television is lowered again to acquire images of the wall of the drilling hole.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The long-term hole wall retaining system for the easy-collapse drilling hole is characterized by comprising a transparent barrel, a supporting frame and a cleaning device, wherein the transparent barrel is arranged in the drilling hole through the supporting frame, and a plurality of supporting frames are arranged on the outer wall of the transparent barrel; a transparent filling layer is arranged between the outside of the transparent cylinder body and the inner wall of the drilling hole; an anti-reflection pattern layer is arranged on the inner wall of the transparent cylinder; the cleaning device is movably arranged in the transparent cylinder body.
2. The long-term holding system for the hole wall of a collapsible borehole according to claim 1, wherein the supporting frame comprises a fixed shaft, a fixed rod and a pulley, the fixed shaft is transversely arranged, two ends of the fixed shaft are fixedly connected with the outer wall of the transparent cylinder body through the fixed rod respectively, and the pulley is rotatably arranged outside the fixed shaft.
3. The long-term holding system for the hole wall of the easy-collapse hole according to claim 2, wherein the fixing rod is a telescopic fixing rod, and two ends of the fixing shaft are respectively fixed with the outer wall of the transparent cylinder body through two fixing rods; a spring is arranged between the fixed shaft and the transparent cylinder.
4. A long-term holding system for a wall of a collapsible borehole according to claim 3, wherein a guide rod is fixed to an outer wall of the transparent cylinder between the two fixing rods, one end of the spring is sleeved outside the guide rod, and the other end of the spring is connected to the fixing shaft.
5. The long-term retention system for the walls of a collapsible borehole according to claim 1, wherein the cleaning device comprises a water feed pump, a water suction pump, an air pump, a water outlet nozzle, an air outlet nozzle and a water suction nozzle, wherein the outlet of the water pump is connected with the water outlet nozzle through a water outlet pipe, the inlet of the water suction pump is communicated with the water suction nozzle through a water suction pipe, and the outlet of the air pump is communicated with the air outlet nozzle through a high-pressure air pipe; the water outlet spray head, the air outlet spray head and the water suction head are movably arranged in the transparent cylinder body.
6. The long term retention system for the walls of a collapsible borehole of claim 5, wherein the outlet tube, the suction tube and the high pressure gas tube are disposed inside a purge tube.
7. The long-term retention system for the walls of a collapsible borehole of claim 5, further comprising a cleaning head, wherein an annular water pipe is arranged at the upper part of the cleaning head, a plurality of water outlet spray heads which are obliquely arranged are communicated with the outer wall of the annular water pipe, and the outlet of the water outlet pipe is communicated with the annular water pipe; an annular air pipe is arranged on the side wall of the lower part of the cleaning head, the outer wall of the annular air pipe is communicated with a plurality of air outlet spray heads, and the outlet of the high-pressure air pipe is communicated with the annular air pipe; the bottom of the cleaning head is provided with the water suction head, and the inlet of the water suction pipe is communicated with the inlet of the water suction head.
8. A long-term retention system for the walls of a collapsible borehole according to claim 7, wherein two fans of opposite blades are rotatably provided on the outer wall of the cleaning head between the annular water tube and the annular air tube.
9. The long-term retention system of a hole wall for a collapsible borehole of claim 1, wherein the transparent cylinder comprises a lower cylinder and an upper cylinder with closed bottom ends, the bottom ends of the upper cylinder being connected to the top ends of the lower cylinder by connecting sections.
10. The long term retention system for the walls of a collapsible borehole of claim 9, wherein the connection section comprises a flexible tube and a plurality of rigid sleeves secured externally of the flexible tube; connecting pipes are respectively fixed at two ends of the flexible pipe and are connected with the bottom end of the corresponding upper section cylinder or the top end of the lower section cylinder through clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322725785.6U CN220869348U (en) | 2023-10-10 | 2023-10-10 | Hole wall long-term retaining system for easy-collapse drilling hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322725785.6U CN220869348U (en) | 2023-10-10 | 2023-10-10 | Hole wall long-term retaining system for easy-collapse drilling hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869348U true CN220869348U (en) | 2024-04-30 |
Family
ID=90812840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322725785.6U Active CN220869348U (en) | 2023-10-10 | 2023-10-10 | Hole wall long-term retaining system for easy-collapse drilling hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869348U (en) |
-
2023
- 2023-10-10 CN CN202322725785.6U patent/CN220869348U/en active Active
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