CN115163040A - Endoscopic drilling hole matching system for observing tunnel surrounding rock state and use method - Google Patents
Endoscopic drilling hole matching system for observing tunnel surrounding rock state and use method Download PDFInfo
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- CN115163040A CN115163040A CN202210726598.7A CN202210726598A CN115163040A CN 115163040 A CN115163040 A CN 115163040A CN 202210726598 A CN202210726598 A CN 202210726598A CN 115163040 A CN115163040 A CN 115163040A
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- 239000011435 rock Substances 0.000 title claims abstract description 48
- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 230000015271 coagulation Effects 0.000 claims abstract description 17
- 238000005345 coagulation Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 13
- 238000009833 condensation Methods 0.000 claims abstract description 11
- 230000005494 condensation Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 16
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- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000001112 coagulating effect Effects 0.000 claims description 5
- 230000003678 scratch resistant effect Effects 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims 2
- 208000008918 voyeurism Diseases 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 8
- 238000007790 scraping Methods 0.000 description 4
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
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- 239000002689 soil Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
The invention provides an endoscopic drilling hole matching system for observing a tunnel surrounding rock state and a using method thereof, wherein the device comprises a transparent pipeline, a plurality of ash removing ring sleeves are sleeved on the transparent pipeline, and the transparent pipeline is connected with a first driving mechanism for driving the ash removing ring sleeves to slide along the outer wall of the transparent pipeline; the ash removal ring sleeve is used for cleaning the outer wall of the transparent pipeline; the heating coagulation removing rod is arranged in the transparent pipeline and connected with a second driving mechanism which drives the heating coagulation removing rod to slide along the inner wall of the transparent pipeline, and the heating coagulation removing rod is used for cleaning the inner wall of the transparent pipeline and heating coagulation of the pipeline. After the relatively sealed transparent pipeline is added in the drill hole, the severe working environment of the endoscopic equipment such as a drill hole peeping instrument and the like can be qualitatively improved, the endoscopic equipment can be ensured to observe surrounding rocks in the dry, smooth and clean transparent pipeline, and the dust removing ring sleeve and the heating and condensation removing rod can remove dust and water vapor and ensure the visibility of the transparent pipeline.
Description
Technical Field
The invention belongs to the technical field of tunnels and underground engineering. The invention particularly relates to an endoscopic drilling hole matching system suitable for long-term observation of surrounding rock states in endoscopic drilling holes of complex surrounding rocks of underground engineering such as tunnels and roadways and a using method thereof, and more particularly relates to an endoscopic drilling hole matching system for observing the surrounding rock states of tunnels and a using method thereof.
Background
At present, a drilling hole endoscopic method is a main method for observing the internal state of surrounding rocks of underground engineering such as tunnels, roadways and the like. The observation result is strong evidence for analyzing the deformation damage characteristics and the stability of the surrounding rock, and is key empirical data for further researching the internal stress and deformation mechanism of the surrounding rock. However, in the process of underground engineering construction such as tunnels and roadways, the problem of dust falling in the internal spaces of the tunnels, the roadways and the boreholes is very serious due to the actions of dust lifting and dust raising caused by blasting, drilling, mechanical vibration, primary support spraying and mixing, deformation and damage of surrounding rocks and the like; meanwhile, due to the introduction of underground water and construction water, the existence of water vapor in the space such as a tunnel, a roadway, a drill hole and the like cannot be avoided. In addition, the stress inside the surrounding rock is redistributed after the tunnel and the roadway are excavated, the stress borne by the surrounding rock changes, and the surrounding rock inside the drilled hole can generate the phenomena of local rock debris stripping and hole collapse. The existence of the problem of water vapor condensation and the problem of dust (rock debris) in the drill hole seriously influences the service life, the observation precision and the application range of endoscopic equipment such as a drilling peeping instrument and the like, so that the endoscopic equipment in the drill hole can not effectively observe the surrounding rock state in the drill hole. Meanwhile, surrounding rock is roughly wiped in the drill hole, so that the endoscopic equipment is abraded, the use of the high-precision endoscopic equipment in the drill hole is limited, and the application of the drilling endoscopic method in underground engineering research is seriously influenced.
In view of the above problems, the technology is mainly considered from three aspects: the first is to improve the drill hole peeping instrument, which comprises a method of adding a muddy water preventing device (CN 202250057U), a dustproof device (CN 213953584U), a defogging device (CN 206174949U), a damage preventing device (CN 110242284A) and the like on a probe of the drill hole peeping instrument. The methods improve the protective performance of a certain aspect of the drilling peeping instrument, achieve a certain effect, but cannot comprehensively and fundamentally change the dilemma faced by the drilling peeping method. Secondly, hole cleaning is carried out for multiple times (CN 110700778B), and the problem of congestion caused by the phenomena of rock debris stripping, local hole collapse and the like in drilling is mainly solved. However, the method can cover the deformation and damage phenomena of surrounding rocks in the drill hole on one hand, and on the other hand, the problems that the drilling peeping instrument is invaded by dust and water vapor and is abraded by the surrounding rocks are still not solved after hole cleaning is finished. Thirdly, peep the appearance and set up observation pipeline (CN 104912541A) for the drilling in the drilling, this is a new attempt undoubtedly, can effectively solve the drilling and peep the operational environment problem of appearance, avoids the wearing and tearing of coarse cliff to instrument and equipment, but present technique fails to solve a series of negative problems that bring after the inside transparent pipe that sets up of drilling, wherein including setting up the problem that the downthehole detritus of pipeline back is peeled off and the steam condensation phenomenon seriously influences the observation field of vision to and the problem that the pipeline influences the atress of pore wall with the comprehensive contact of pore wall.
In view of the objective existence of the problems, the development of a new endoscopic drilling matching device capable of ensuring the long-term good observation of the internal state of the surrounding rock is necessary, the necessary requirements of ensuring the working environment, the observation visual field and the precision of endoscopic equipment such as a drilling peeping instrument and the like are met, the improvement of the observation effect of the state of the surrounding rock in the drill hole and the reliability of the observation result are facilitated, and the device has important significance for the popularization and application of a drilling endoscopic method and high-precision endoscopic equipment, the engineering construction of tunnels, roadways and the like, and the research of the medium-long-term stress deformation mechanism and deformation damage characteristics in the surrounding rock.
Disclosure of Invention
The problems that in the process of observing the drill holes in the internal states of complex surrounding rocks of underground engineering such as tunnels and roadways, the working environment and the observation effect of endoscopic equipment such as a drilling peeping instrument are seriously influenced due to the existence of local hole collapse, rock debris stripping, water vapor condensation and the like, the rough hole wall in the drill holes can cause abrasion to the endoscopic equipment, and dust and water vapor in the drill holes can invade the endoscopic equipment, so that the high-precision endoscopic equipment cannot be used are solved. The invention aims to improve the in-hole observation environment of endoscopic equipment such as a drilling peeping instrument and the like, provides a matching system of endoscopic drilling with simple structure, low cost and convenient installation and use, provides a dry, smooth and clean observation environment for the endoscopic equipment, ensures the observation visual field, observation effect and observation result reliability of the endoscopic equipment, and simultaneously avoids the abrasion and invasion of the endoscopic equipment caused by the severe environment in the hole.
The technical means adopted by the invention are as follows:
an endoscopic drilling hole matching system for observing the surrounding rock state of a tunnel comprises a transparent pipeline, wherein a permanent pipe plug is fixed at one end of the transparent pipeline, which is positioned at the innermost side of a drilling hole; the transparent pipeline can be made of acrylic pipe or plastic and resin pipe with high transparency
The transparent pipeline is sleeved with a plurality of ash removing ring sleeves, and the transparent pipeline is connected with a first driving mechanism for driving the ash removing ring sleeves to slide along the outer wall of the transparent pipeline; the ash cleaning ring sleeve is used for cleaning the outer wall of the transparent pipeline;
the heating and condensation removing rod is arranged in the transparent pipeline and is connected with a second driving mechanism which drives the heating and condensation removing rod to slide along the inner wall of the transparent pipeline, and the heating and condensation removing rod is used for cleaning the inner wall of the transparent pipeline and heating the transparent pipeline to remove condensed water on the outer wall of the transparent pipeline.
Preferably, be provided with a plurality of centering bullet on the transparent pipe and detain the subassembly, the centering bullet is detained the subassembly and is included two tighrening rings and a plurality of centering bullet and detain, two tighrening rings overlap respectively on transparent pipe's outer wall, and with transparent pipe fixed connection, the centering bullet is detained including shell fragment and spring, the one end of shell fragment is installed on the tighrening ring that is close to the drilling inboard, the radial direction of spring edge tighrening ring outwards extends, its inner end is installed on the tighrening ring that is close to the drilling outside, and the other end of shell fragment is connected with the outer end of spring. The distance between the centering elastic buckle components, the centering elastic buckle elasticity and the expansion radius are determined according to the weight of the transparent pipeline to be fixed, the length of the transparent pipeline to be segmented and the size of the drilled hole, and the principle is that' the transparent pipeline is basically centered in the hole when an instrument is observed can be effectively guaranteed, and the interaction force between the transparent pipeline and surrounding rocks is reduced as much as possible. ".
Preferably, a scratch-proof rubber mat is arranged between the fastening ring and the transparent pipeline.
Preferably, the two ends of the transparent pipeline are respectively provided with a centering elastic buckle assembly, and the dust removing ring sleeve is arranged between two adjacent centering elastic buckle assemblies.
Preferably, the transparent pipeline is formed by sequentially splicing a plurality of transparent pipeline segments, two adjacent transparent pipeline segments are connected through a sealing sleeve splicing head, and the sealing sleeve splicing head and the transparent pipeline are fastened through a centering snap assembly.
Preferably, a plurality of deashing ring covers are arranged at equal intervals, the deashing ring covers include the lantern ring steel ring of cover on the transparent pipe way, the lantern ring steel ring passes through the lantern ring fixer to be installed on the transparent pipe way, the inner wall of lantern ring steel ring is fixed with the clean cotton layer of lantern ring, and installs the clean rubber ring of lantern ring on the one end inner wall of lantern ring steel ring.
Preferably, the first driving mechanism comprises at least one ash removal pull rope, a first ash removal pull rope limiting hole and a second ash removal pull rope limiting hole are formed in the fastening ring, an ash removal pull rope fixing hole matched with the ash removal pull rope is formed in the steel ring of the lantern ring, one end of the ash removal pull rope extends from the outermost side of the drilled hole to the innermost side of the drilled hole and sequentially passes through all the first ash removal pull rope limiting holes, the position of the second ash removal pull rope limiting hole at the innermost side of the drilled hole is changed in direction, the innermost side of the drilled hole extends to the outermost side of the drilled hole, and the second ash removal pull rope limiting holes sequentially penetrate through all the second ash removal pull rope limiting holes; and the ash removal stay cord fixed orifices and the ash removal stay cord are fixedly connected, and the two ends of the ash removal stay cord positioned at the outermost side of the drilled hole are pulled in a reciprocating manner, so that the ash removal ring sleeve can be used for cleaning the transparent pipeline in a reciprocating manner.
Preferably, the heating and coagulation removing rod comprises a heater, wherein the outer wall of the heater is fixed with a scraping-proof cleaning cotton sleeve, one end of the outer wall of the heater is provided with a cleaning rubber ring, and the scraping-proof cleaning cotton sleeve and the cleaning rubber ring are matched with the inner diameter of the transparent pipeline.
Preferably, the second driving mechanism comprises a push-pull rod, one end of the push-pull rod penetrates into the transparent pipe sleeve from one end of the transparent pipe positioned at the outermost side of the drilled hole, and is connected with the heating coagulation removing rod through a push-pull rod connecting port arranged on the heating coagulation removing rod; one end of the transparent pipeline positioned at the outermost side of the drilling hole is provided with a tube plug convenient to pull out as required.
The invention also discloses a use method of the endoscopic hole matching system for observing the surrounding rock state of the tunnel, which comprises the following steps:
(1) fixing a permanent pipe plug at one end of the first transparent pipeline section, and installing a centering snap-in component at the end; (2) the ash removing ring sleeve is arranged on the first section of the transparent pipeline section and is connected with an ash removing pull rope; (3) installing a second section of transparent pipeline subsection, and connecting one end of the second section of transparent pipeline subsection with the first section of transparent pipeline subsection into a whole through a splicing joint of a sealing sleeve; (4) a centering elastic buckle component is arranged on the splicing head of the sealing sleeve; (5) the steps (2) to (4) are circulated until all transparent pipeline segments are installed; (6) pushing in the heating and de-coagulating rod to clean the inner wall of the transparent pipeline, and pulling the ash removal pull rope to clean the outer wall of the transparent pipeline; (7) and taking out the heating and coagulation removing rod, pushing the endoscopic equipment into the transparent pipeline for observation, and inserting the sealing pipe plug to finish observation.
Compared with the prior art, the invention has the following advantages:
1. compared with the existing method for directly observing the state of the surrounding rock in the drill hole by shooting, after the relatively sealed transparent pipeline is added in the drill hole, the severe working environment of the endoscopic equipment such as a drilling peeping instrument and the like can be qualitatively improved, the endoscopic equipment can be ensured to observe the surrounding rock in the dry, smooth and clean transparent pipeline, the problem that the service life and the precision of the equipment are influenced due to the fact that the endoscopic equipment in the hole is abraded by rough surrounding rock and invaded by water vapor and dust is solved, the high-precision endoscopic equipment can be applied to the observation of the internal state of the surrounding rock, and the application range, the observation precision and the reliability of the drilling peeping method are expanded. The method has important significance for the research on the internal state and deformation damage mechanism of the tunnel and roadway surrounding rock.
2. The centering elastic buckle group is additionally arranged on the basis of additionally arranging the transparent pipeline, so that the contact between the pipeline and the surrounding rock can be effectively avoided, the influence of the additionally arranged transparent pipeline in the drill hole on the stress deformation state of the surrounding rock is reduced as much as possible, and the accuracy of an observation result is ensured; in addition, the possibility that the transparent pipeline is scratched with a hole wall rock-soil body during installation can be effectively reduced, and the influence of friction and scratching of the transparent pipeline and the hole wall on the transparency of the pipe wall is reduced. Meanwhile, the transparent pipeline can be suspended and centered in the hole, the fact that the endoscopic equipment in the hole can carry out 360-degree observation on the inner wall of the drilled hole basically in the middle is guaranteed, and the observation quality is fully guaranteed.
3. The invention adds the ash cleaning lantern ring on the outer wall of the transparent pipeline and is matched with the heating de-condensation rod, which is the key guarantee for long-term observation of the state of the surrounding rock in the hole, and aims to ensure the cleanness of the inner wall and the outer wall of the transparent pipeline and ensure the transparency of the transparent pipeline, which is very important for ensuring that the endoscopic equipment can observe the state of the inside of the surrounding rock repeatedly for a long time. The heating and condensation removing rod can remove residual water in a drill hole in the hole or water vapor condensed on the outer side of the transparent pipeline due to temperature difference caused by water seepage of the hole wall, has an effect of wiping and cleaning the inner wall of the transparent pipeline, and can also play a certain drying role in wet falling ash on the outer wall of the pipeline, so that the ash removing lantern ring can be used for wiping and removing ash conveniently; the deashing lantern ring can clear away the ground piece that transparent pipeline outer wall sinks or drilling wall country rock part is peeled off because of raise dust in the air, keeps the pipeline outer wall clean.
4. The platform which is arranged in the hole, does not affect the stress deformation state of the surrounding rock of the hole, and can observe the internal state of the surrounding rock in high quality for a long time is built by arranging the overhead pipeline and the pipeline inner and outer wall cleaning devices.
Based on the reasons, the invention can be widely popularized in the fields of tunnels, underground engineering and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an endoscopic borehole supporting system for observing the surrounding rock state of a tunnel according to an embodiment of the present invention.
Fig. 2 is a schematic view of the connection of transparent pipes in sections according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a centering snap assembly in an embodiment of the present invention.
FIG. 4 is a schematic view of a ash removal collar according to an embodiment of the present invention.
FIG. 5 is a schematic view of a heated de-coagulant rod according to an embodiment of the present invention.
In the figure: 1. a transparent conduit; 1-1, segmenting a transparent pipeline; 1-2, sealing the sleeve splicing head; 2. centering the snap assembly; 2-1, fastening rings; 2-2, scraping-resistant rubber mats; 2-3, centering the snap fastener; 2-4, a first ash removal pull rope limiting hole; 2-5, a second ash removal pull rope limiting hole; 3. a deashing lantern ring; 3-1, sleeving a ring steel ring; 3-2, lantern ring deashing cotton layer; 3-3, sleeving a ring to clean the rubber ring; 3-4, a lantern ring fixer; 3-5, fixing holes for ash removal pull ropes; 3-6, a deashing pull rope fixer; 4. heating to remove coagulation; 4-1, a warmer; 4-2, a scratch-resistant sleeve; 4-3, cleaning a rubber sleeve; 4-4, a push-pull rod connecting port; 5. a dust removal pull rope; 6. the sealing plug is convenient to pull out; 7. permanently sealing the pipe plug; 8. a push-pull rod.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings for the convenience of description and simplicity of description, and that these directional terms, unless otherwise specified, do not indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1 to 5, an endoscopic borehole matching system for observing the surrounding rock state of a tunnel comprises a transparent pipeline 1, wherein a permanent pipe plug 7 is fixed at one end of the transparent pipeline 1, which is positioned at the innermost side of a borehole; one end of the transparent pipeline 1, which is positioned at the outermost side of the drilled hole, is provided with a removable pipe sealing plug 6 as required; the permanent pipe plug 7 is a permanent rubber pipe sealing plug; the easy-to-pull sealing pipe plug 6 is a rubber sealing pipe plug convenient to pull;
the transparent pipeline 1 is formed by sequentially splicing a plurality of transparent pipeline segments 1-1, two adjacent transparent pipeline segments 1-1 are connected through sealing sleeve splicing heads 1-2, and the sealing sleeve splicing heads 1-2 and the transparent pipeline are fastened through centering snap assemblies 2. The two ends of the transparent pipeline 1 are respectively provided with a centering elastic buckle component 2, and the transparent pipeline 1 is also provided with a plurality of centering elastic buckle components 2 for better effect;
the centering elastic buckle assembly 2 comprises two fastening rings 2-1 and four centering elastic buckles 2-3 which are uniformly distributed, the two fastening rings 2-1 are respectively sleeved on the outer wall of the transparent pipeline 1 and are fixedly connected with the transparent pipeline 1, and an anti-scraping rubber mat 2-2 is arranged between the fastening ring 2-1 and the transparent pipeline 1. The centering elastic buckle 2-2 comprises an elastic sheet and a spring, one end of the elastic sheet is arranged on the fastening ring 2-1 close to the inner side of the drilled hole, the spring extends outwards along the radial direction of the fastening ring 2-1, the inner end of the spring is arranged on the fastening ring 2-1 close to the outer side of the drilled hole, and the other end of the elastic sheet is connected with the outer end of the spring. The distance between the centering elastic buckle components 2, the elasticity and the expansion radius of the centering elastic buckle components 2-3 are determined according to the weight of the transparent pipeline 1 to be fixed, the length of the transparent pipeline section 1-1 and the size of a drilled hole, and the principle is that the transparent pipeline 1 can be effectively ensured to be basically centered in the hole when an instrument is observed, and the interaction force between the transparent pipeline 1 and surrounding rocks is reduced as much as possible. ".
An ash cleaning ring sleeve 3 sleeved on the transparent pipeline 1 is arranged between two adjacent centering elastic buckle components 2. The transparent pipeline 1 is connected with a first driving mechanism which drives the ash cleaning ring sleeve 3 to slide along the outer wall of the transparent pipeline 1; the ash removal ring sleeve 3 is used for cleaning the outer wall of the transparent pipeline; the ash removing ring sleeves 3 are arranged at equal intervals, each ash removing ring sleeve 3 comprises a ring steel ring 3-1 sleeved on the transparent pipeline 1, the ring steel rings 3-1 are installed on the transparent pipeline 1 through ring fixing devices 3-4, ring cleaning cotton layers 3-2 are fixed on the inner walls of the ring steel rings 3-1, and ring cleaning rubber rings 3-3 are installed on the inner walls of one ends of the ring steel rings 3-1.
The first driving mechanism comprises at least one ash removal pull rope 5 (two ash removal pull ropes are adopted in the embodiment), a first ash removal pull rope limiting hole 2-4 and a second ash removal pull rope limiting hole 2-5 are arranged on the fastening ring 2-1, an ash removal pull rope fixing hole 3-5 matched with the ash removal pull rope 5 is arranged on the lantern ring steel ring 3-1, one end of the ash removal pull rope 5 extends from the outermost side of the drilled hole to the innermost side of the drilled hole and sequentially passes through all the first ash removal pull rope limiting holes 2-4, the position of the second ash removal pull rope limiting hole 2-5 on the innermost side of the drilled hole is changed in direction, the innermost side of the drilled hole extends to the outermost side of the drilled hole and sequentially passes through all the second ash removal pull rope limiting holes 2-5; and the ash removal pull rope fixing holes 3-5 are fixedly connected with the ash removal pull rope 5 through ash removal pull rope fixers 3-6, and the two ends of the ash removal pull rope 5 positioned on the outermost side of the drilled hole are pulled in a reciprocating manner, so that the ash removal ring sleeve 3 can clean the outer wall of the transparent pipeline 1 in a reciprocating manner.
The heating and coagulation removing rod 4 is arranged in the transparent pipeline 1, the transparent pipeline 1 is connected with a second driving mechanism which drives the heating and coagulation removing rod 4 to slide along the inner wall of the transparent pipeline 1, and the heating and coagulation removing rod 4 is used for cleaning the inner wall of the transparent pipeline 1. The heating and coagulation removing rod 4 comprises a heater 4-1, an anti-scraping cleaning cotton sleeve 4-2 is fixed on the outer wall of the heater 4-1, a cleaning rubber ring 4-3 is arranged at one end of the outer wall of the heater 4-1, and the anti-scraping cleaning cotton sleeve 4-1 and the cleaning rubber ring 4-3 are matched with the inner diameter of the transparent pipeline 1. The scratch-proof cleaning cotton sleeve 4-2 and the clean rubber ring 4-3 are wrapped outside the heater 4-1 to ensure the heating and de-condensation effect on the outer wall of the transparent pipeline 1, clean the inner wall of the transparent pipeline 1 and avoid scratching the transparent pipeline by the heater 4-1. The power supply of the heater 4-1 can adopt a built-in storage battery or a portable storage battery. The second driving mechanism comprises a push-pull rod 8, one end of the push-pull rod 8 penetrates into the transparent pipe sleeve 1 from one end of the transparent pipe 1 positioned at the outermost side of the drilled hole, and is connected with the heating and coagulating removal rod 4 through a push-pull rod connecting port 4-4 arranged on the heating and coagulating removal rod 4.
Example 2
As shown in fig. 1 to 5, a method for using an endoscopic borehole matching system for observing the surrounding rock state of a tunnel includes:
(1) fixing a permanent pipe plug 7 at one end of the first transparent pipeline section 1-1, and installing a centering snap-fastener assembly 2 at the end; (2) the ash removal ring sleeve 3 is arranged on the first section of the transparent pipeline section 1-1 and is connected with an ash removal pull rope 5; (3) installing a second section of transparent pipeline section 1-1, and connecting one end of the second section of transparent pipeline section 1-1 and the first section of transparent pipeline section 1-1 into a whole through a sealing sleeve splicing head 1-2; (4) a centering snap-fastener component 2 is arranged on the sealing sleeve splicing head 1-2; (5) the steps (2) to (4) are circulated until all transparent pipeline sections 1-1 are installed; (6) pushing in a heating and de-coagulating rod 4 to clean the inner wall of the transparent pipeline 1, and pulling an ash removal pull rope 5 to clean the outer wall of the transparent pipeline 1; (7) taking out the heating and coagulation removing rod 4, pushing the endoscopic equipment into the transparent pipeline 1, testing the observation effect, inserting the tube sealing plug 6 which is just pulled out to complete the system installation, then putting the transparent pipeline 1 into the drill hole, pulling out the tube sealing plug 6 which is just pulled out, pushing the heating and coagulation removing rod 4 into the transparent pipeline 1, cleaning the inner wall of the transparent pipeline 1, pulling the ash cleaning pull rope 5 to clean the outer wall of the transparent pipeline 1, then taking out the heating and coagulation removing rod 4, pushing the endoscopic equipment to observe, and simultaneously inserting the tube sealing plug 6 which is just pulled out to complete the observation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An endoscopic drilling hole matching system for observing the surrounding rock state of a tunnel is characterized by comprising a transparent pipeline, wherein a permanent pipe plug is fixed at one end of the transparent pipeline, which is positioned at the innermost side of a drilling hole;
the transparent pipeline is sleeved with a plurality of ash removing ring sleeves, and the transparent pipeline is connected with a first driving mechanism which drives the ash removing ring sleeves to slide along the outer wall of the transparent pipeline; the ash removal ring sleeve is used for cleaning the outer wall of the transparent pipeline;
the heating and coagulating rod is arranged in the transparent pipeline and connected with a second driving mechanism which drives the heating and coagulating rod to slide along the inner wall of the transparent pipeline, and the heating and coagulating rod is used for cleaning the inner wall of the transparent pipeline and heating the transparent pipeline to remove the condensed water on the outer wall of the transparent pipeline.
2. The system according to claim 1, wherein the transparent tube is provided with a plurality of centering spring fastener assemblies, each of the centering spring fastener assemblies comprises two fastening rings and a plurality of centering spring fasteners, the two fastening rings are respectively sleeved on the outer wall of the transparent tube and are fixedly connected with the transparent tube, each of the centering spring fasteners comprises a spring plate and a spring, one end of the spring plate is mounted on the fastening ring near the inner side of the hole, the spring extends outwards along the radial direction of the fastening ring, the inner end of the spring plate is mounted on the fastening ring near the outer side of the hole, and the other end of the spring plate is connected with the outer end of the spring.
3. The system of claim 2, wherein a scratch-resistant rubber pad is arranged between the fastening ring and the transparent pipe.
4. The system of claim 2, wherein the transparent tube has the centering snap-fastener assemblies at two ends thereof, and the dust removing ring is disposed between two adjacent centering snap-fastener assemblies.
5. The system of claim 2, wherein the transparent pipe is formed by sequentially splicing a plurality of transparent pipe segments, two adjacent transparent pipe segments are connected by a sealing sleeve splicing head, and the sealing sleeve splicing head and the transparent pipe are fastened by the centering snap-fastener assembly.
6. The system of claim 5, wherein a plurality of the dust-removing ring sleeves are arranged at equal intervals, each dust-removing ring sleeve comprises a ring steel ring sleeved on the transparent pipe, the ring steel ring is mounted on the transparent pipe through a ring holder, a ring cleaning cotton layer is fixed on the inner wall of the ring steel ring, and a ring cleaning rubber ring is mounted on one end of the ring steel ring.
7. The endoscopic drilling hole matching system for observing the surrounding rock state of a tunnel according to claim 6, wherein the first driving mechanism comprises at least one ash removal pull rope, the fastening ring is provided with a first ash removal pull rope limiting hole and a second ash removal pull rope limiting hole, the lantern ring steel ring is provided with an ash removal pull rope fixing hole matched with the ash removal pull rope, one end of the ash removal pull rope extends from the outermost side of the drilling hole to the innermost side of the drilling hole and sequentially passes through all the first ash removal pull rope limiting holes, the position of the second ash removal pull rope limiting hole at the innermost side of the drilling hole is changed, the innermost side of the drilling hole extends to the outermost side of the drilling hole and sequentially passes through all the second ash removal pull rope limiting holes; and the ash removal pull rope fixing hole is fixedly connected with the ash removal pull rope, the two ends of the ash removal pull rope positioned on the outermost side of the drilled hole are pulled in a reciprocating manner, and the outer wall of the transparent pipeline is cleaned in a reciprocating manner by the ash removal ring sleeve.
8. The system as claimed in claim 7, wherein the heating and de-coagulating rod comprises a heater, the outer wall of the heater is fixed with a scraping-proof cleaning cotton cover, and one end of the outer wall of the heater is provided with a cleaning rubber ring, and the scraping-proof cleaning cotton cover and the cleaning rubber ring are adapted to the inner diameter of the transparent pipe.
9. The system of claim 8, wherein the second driving mechanism comprises a push-pull rod, one end of the push-pull rod penetrates into the transparent pipe sleeve from the end of the transparent pipe located at the outermost side of the drilled hole, and is connected with the warming and de-coagulating rod through a push-pull rod connecting port arranged on the warming and de-coagulating rod; and one end of the transparent pipeline positioned at the outermost side of the drilling hole is provided with a tube sealing plug convenient to pull out as required.
10. The use method of the endoscopic borehole complete set system for observing the surrounding rock state of a tunnel according to claim 9, characterized by comprising the following steps:
(1) fixing the permanent pipe plug at one end of the first section of the transparent pipeline section, and installing the centering snap-fastener assembly at the end; (2) the ash removal ring sleeve is arranged on the first section of the transparent pipeline section and is connected with an ash removal pull rope; (3) installing a second section of the transparent pipeline segment, and connecting one end of the second section of the transparent pipeline segment with the first section of the transparent pipeline segment into a whole through a sealing sleeve splicing head; (4) installing the centering snap-fastener assembly on the sealing sleeve splicing head; (5) the steps (2) to (4) are circulated until all the transparent pipeline sections are installed; (6) pushing in the heating and condensation removing rod, cleaning the inner wall of the transparent pipeline, and pulling the ash removal pull rope to clean the outer wall of the transparent pipeline; (7) and taking out the heating and coagulation removing rod, pushing endoscopic equipment into the transparent pipeline for observation, and inserting the sealing plug to finish the observation.
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| CN202210726598.7A CN115163040A (en) | 2022-06-23 | 2022-06-23 | Endoscopic drilling hole matching system for observing tunnel surrounding rock state and use method |
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| CN202210726598.7A CN115163040A (en) | 2022-06-23 | 2022-06-23 | Endoscopic drilling hole matching system for observing tunnel surrounding rock state and use method |
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