CN114991696B - Protection method for geological exploration drilling hole orifice - Google Patents
Protection method for geological exploration drilling hole orifice Download PDFInfo
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- CN114991696B CN114991696B CN202210428828.1A CN202210428828A CN114991696B CN 114991696 B CN114991696 B CN 114991696B CN 202210428828 A CN202210428828 A CN 202210428828A CN 114991696 B CN114991696 B CN 114991696B
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- locking
- protective cover
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- 238000005553 drilling Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 87
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
- 229920013716 polyethylene resin Polymers 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 241000282414 Homo sapiens Species 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
Abstract
The invention discloses a protection method for a geological exploration drilling hole orifice, which comprises the following steps: the method comprises the steps of firstly, installing a first limiting piece in a protection tube, and inserting the protection tube in a drill hole; installing the connecting piece in the protective cover, installing the locking assembly at the lower part of the connecting piece and ensuring the locking assembly to move circumferentially around the connecting piece; and thirdly, adjusting the locking assembly to be positioned on the opposite side of the first limiting piece, inserting the protective cover on the protective pipe to form a protective cavity, and pulling the locking assembly to rotate to the lower side of the first limiting piece around the connecting piece by utilizing the operating piece. The invention has the advantages that the small-size and light-weight protection tube and the protection cover are adopted to realize the field installation of the drilling hole, the disassembly and the assembly are simple and convenient, the field construction time is effectively shortened, the manual investment is reduced, the miniaturization and the light-weight are realized, the transportation is convenient, and the engineering cost is reduced. In addition, the locking structure is arranged in the protection cavity, so that damage caused by environmental factors and human factors can be effectively avoided.
Description
Technical Field
The invention relates to the field of geological exploration, in particular to a protection method for a geological exploration drilling hole.
Background
In subsurface environment surveys, geological surveys, and monitoring projects, it is often necessary to monitor the borehole for a long period of time to obtain more geological information data. However, damage caused by factors such as human beings, animals, external environments and the like is particularly easy to occur in the long-term monitoring process, so that normal monitoring of the drilling hole is affected, and even the drilling hole is scrapped. Therefore, during the drilling process, a proper sleeve is usually placed in the drill hole to protect the hole wall, and a protection device is arranged at the hole opening in time after the drilling work is finished to protect the drill hole from being damaged by the outside.
The protection scheme of the existing drilling hole opening is that a cylinder is arranged around the drilling hole, the diameter of the cylinder is 2-3 times of that of the drilling hole, the cylinder is mostly made of steel materials, bricks or concrete structures, a cover is covered on the top of the cylinder, and then an external special lock locks the cover and the cylinder together, so that the protection scheme is suitable for areas with less human activities. Although the protection mode has good protection effect, the protection mode has large and heavy volume, large material transportation difficulty and long construction period, prolongs the drilling period, and is particularly not suitable for areas needing hidden treatment such as cities; in addition, the external special-shaped lock is mostly made of metal, and is exposed in the external environment for a long time, so that corrosion and artificial blockage are particularly easy to occur, and normal unlocking is influenced.
Disclosure of Invention
In view of the above, the invention provides a protection method for the geological exploration drilling hole, which adopts a special hole protection device, has better protection effect, and has the advantages of simple and quick installation, short construction period and less investment.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to a protection method for a geological exploration drilling hole, which adopts a special hole protection device, wherein the hole protection device comprises
The protection pipe is vertically inserted into the drill hole;
the protective cover is arranged at the top of the protective pipe, and the protective cover and the protective pipe are spliced together to form a protective cavity for protecting drilling;
the locking structure is provided with a connecting piece vertically arranged on the bottom surface of the protective cover, a locking component rotatably arranged at the bottom of the connecting piece and a first limiting piece horizontally arranged in the protective pipe, wherein the locking component is arranged in a clearance with the protective pipe, the height of the locking component is lower than that of the first limiting piece, and the distance between the center of the first limiting piece and the protective pipe is smaller than that between the locking component and the protective pipe; and
the operation piece is arranged on the outer side of the protection tube, and the operation piece pulls the locking assembly to move circumferentially and is used for unlocking and locking the protection cover;
the protection method comprises the following steps:
the method comprises the steps of firstly, installing a first limiting piece in a protection tube, and inserting the protection tube in a drill hole;
the second step, vertically installing the connecting piece at the central position of the protective cover, and then horizontally installing the locking component at the lower part of the connecting piece and ensuring the locking component to move circumferentially around the connecting piece;
and thirdly, adjusting the locking assembly to be positioned on the opposite side of the first limiting piece, inserting the protective cover on the protective pipe to form a protective cavity, and pulling the locking assembly to rotate around the connecting piece to the lower side of the first limiting piece by using the operating piece, wherein the first limiting piece limits the upper and lower strokes of the locking assembly so as to lock the protective cover on the protective pipe.
The beneficial effects are that: the diameters of the protection pipe and the protection cover are consistent with those of the drilled holes, so that the orifice protection device is miniaturized and light and is convenient to transport; during installation, the protection pipe is inserted into the drill hole, and then the protection cover is inserted onto the protection pipe, so that construction can be completed, construction is simple, construction period is short, and investment is low; in addition, the locking structure is positioned in the protection cavity, so that the locking structure is protected from being damaged by artificial or external environmental factors on the premise of ensuring locking. The exposed height of the drilling protection device after the assembly by adopting the installation method provided by the invention can be controlled to be 0.1m at the minimum, and the drilling protection device is particularly suitable for areas with higher hiding requirements on cities and the like.
The protection tube and the protection cover are connected together through a connecting structure, and the connecting structure comprises
The slot is formed in the protective tube and extends downwards from the top of the protective tube vertically, and a first supporting table is arranged at the bottom of the slot; and
the inserting piece is arranged on the bottom wall of the protective cover, and a second supporting table is arranged at the upper part of the inserting piece;
the inserting piece is inserted into the inserting groove, the bottom of the inserting piece is placed on the first supporting table, and the second supporting table is placed on the top of the protection tube.
The beneficial effects are that: the protective cover can be quickly inserted on the protective tube through the slot and the inserting piece, and can be quickly taken out from the protective tube, so that the protective cover is easy and convenient to disassemble and assemble; the first supporting table and the second supporting table can effectively ensure the connection stability of the protection cover and the protection pipe, and the protection cover is prevented from falling from the protection pipe.
Further, the locking component is provided with a rotating rod rotatably arranged at the lower part of the connecting piece and a first magnet block arranged at the end part of the rotating rod; the operating piece is a second magnet piece which is magnetically attracted with the first magnet piece. The beneficial effects are that: because the magnetism of the first magnet block and the magnetism of the second magnet block are attracted, the second magnet block can be moved to pull the first magnet block to move circumferentially in the protection cavity, so that the protection cover is locked and unlocked; the protective cover is generally in a normally locked state in which the second magnet block can be retracted.
Further, the locking structure further comprises a second limiting part vertically arranged on the protective cover, the bottom height of the second limiting part is lower than that of the rotating rod, and the second limiting part is located between the connecting part and the first limiting part. The beneficial effects are that: when the rotary rod rotates below the first limiting piece, the first limiting piece can limit the upper and lower strokes of the rotary rod, and the protective cover cannot be opened due to the blocking of the first limiting piece and is in a locking state; in order to avoid the rotary rod to rotate away from the lower part of the first limiting piece, the second limiting piece can be used for blocking the rotary rod, so that the rotary rod is positioned at the locking position, and the rotary rod is effectively prevented from rotating to unlock the protective cover.
Further, the connecting piece is arranged at the center of the protective cover; the second limiting piece is close to the center line of the first limiting piece so that the rotating rod is located below the center line of the first limiting piece.
Further, the height difference between the first limiting piece and the rotating rod is 2mm-5 mm; the gap between the first magnet block and the protection tube is 2-5 mm, so that the distance between the first magnet block and the second magnet block is shortened to the greatest extent, and the attractive force of the first magnet block and the second magnet block is ensured.
Further, the connecting piece is a long bolt or a mounting shaft vertically arranged at the center of the protective cover.
Further, the rotating rod is connected with the connecting piece through a connecting component, and the connecting component comprises a bearing sleeved at the lower part of the connecting piece and an anti-falling base fixed at the bottom of the connecting piece.
The beneficial effects are that: the rotary rod is connected with the connecting piece through a bearing, so that the rotary rod can flexibly rotate relative to the connecting piece, and normal unlocking and locking operations are further ensured.
Further, a marking part for marking the locking direction, the unlocking direction and the locking position is arranged on the outer wall of the protection tube. The beneficial effects are that: the locking and unlocking operation is convenient, and the time is saved.
Furthermore, the protective tube and the protective cover are both made of vinyl chloride resin, so that the weight can be reduced, and the transportation is convenient; on the other hand, the drilling protection cost is reduced.
The invention has the advantages that the small-size and light-weight protection tube and the protection cover are adopted to realize the field installation of the drilling hole, the disassembly and the assembly are simple and convenient, the field construction time is effectively shortened, the manual investment is reduced, the miniaturization and the light-weight are realized, the transportation is convenient, and the engineering cost is reduced. In addition, the locking structure is arranged in the protection cavity, so that damage caused by environmental factors and human factors can be effectively avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1 (unlocked state).
Fig. 3 is a locked state diagram of the present invention.
Fig. 4 is a top view of fig. 4.
Fig. 5 is a cross-sectional view taken along A-A of fig. 3.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings, and the embodiments and specific operation procedures are given by the embodiments of the present invention under the premise of the technical solution of the present invention, but the scope of protection of the present invention is not limited to the following embodiments.
The protection method of the geological exploration drilling hole orifice adopts a special hole orifice protection device; as shown in fig. 1-5, the orifice protection device includes
The protection pipe 1 is vertically inserted in the drilling hole F, and the pipe diameter of the protection pipe 1 is slightly smaller than the bore diameter of the drilling hole, so that miniaturization and light weight are realized;
the protection cover 2 is covered on the top of the protection pipe 1, and the protection cover 2 and the protection pipe 1 are connected together to form a protection cavity 3 for protecting the drilling hole, so that the drilling hole opening is effectively protected from being damaged by the outside; in addition, the height of the orifice protection device outside the drilling hole F is not more than 0.6m, the size is small, the exposed height is low, the appearance is attractive and elegant, and the orifice protection device is particularly suitable for urban areas with higher urban capacity requirements;
the locking structure is provided with a connecting piece vertically arranged on the bottom surface of the protective cover 2, a locking component rotatably arranged at the bottom of the connecting piece and a first limiting piece horizontally arranged in the protective tube 1 (namely a first stop rod 6.4, and the two ends of the first stop rod 6.4 are respectively matched with the arc-shaped structure of the tube wall of the protective tube 1), the locking component is arranged in a clearance with the protective tube 1, the height of the locking component is lower than that of the first stop rod 6.4, and the distance between the center of the first stop rod 6.4 and the tube wall of the protective tube 1 is smaller than that between the locking component and the protective tube 1, so that the first stop rod 6.4 can effectively block the locking component from ascending to realize locking of the protective cover 2; and
and the operating piece is a second magnet block 4 arranged on the outer side of the protection tube 1 and used for pulling the locking assembly to move circumferentially in the protection cavity so as to unlock and lock the protection cover 2 and the protection tube 1. The protective cover 2 and the protective tube 1 can be made of non-magnetic polymer materials (such as polyethylene resin and polyvinyl chloride resin), so that the weight is effectively reduced, and the weight of the whole device is reduced; the protective cover 2 and the protective tube 1 are connected in a plug-in connection mode, so that the assembly is simple, the transportation and the on-site disassembly and assembly are convenient, and the drilling hole is effectively protected from being damaged; the locking structure is arranged in the protection cavity 3, so that damage caused by external arrangement can be effectively avoided.
As shown in fig. 1, 3 and 5, the protection tube 1 and the protection cover 2 are connected together through a connection structure, the connection structure comprises a slot 5.1 symmetrically arranged on the protection tube 1 and an inserting sheet 5.2 symmetrically arranged on the protection cover 2, and the slot 5.1 and the inserting sheet 5.2 are arranged in one-to-one correspondence (of course, the slot 5.1 and the inserting sheet 5.2 can also be three pairs, four pairs or more pairs); the slot 5.1 extends downwards from the top of the protection tube 1 vertically, the length of the slot 5.1 along the circumferential direction of the tube wall of the protection tube 1 is about one third of the circumferential length of the protection tube 1, and a first supporting table is arranged at the bottom of the slot 5.1; the top of inserted sheet 5.2 has the second brace table unanimous with protection tube 1 thickness, effectively guarantees the connection stability of protection tube 1 and safety cover 2, avoids safety cover 2 to drop from protection tube 1.
As shown in fig. 1-4, the connecting piece is a long bolt 6.1 extending vertically downwards from the bottom wall of the protective cover 2, the long bolt 6.1 is installed at the central position of the protective cover 2 in an embedded manner, the installation is simple and convenient, and the manual disassembly and assembly damage is avoided; when the protective cover 2 and the protective tube 1 are inserted together, the bottom end of the long bolt 6.1 is lower than the bottom end of the slot 5.1;
the locking assembly comprises a rotating rod 6.2 horizontally arranged at the lower part of the long bolt 6.1 through the connecting assembly and a first magnet block 6.3 arranged at the end part of the rotating rod 6.2, after the protective cover 2 and the protective tube 1 are inserted together, the rotating rod 6.2 and the first magnet block 6.3 are both positioned inside the protective tube 1, the heights of the rotating rod 6.2 and the first magnet block 6.4 are lower than the first baffle rod 6.4, the height difference between the rotating rod 6.2 and the first baffle rod 6.4 is 2mm-5mm, and the rotating rod 6.2 is ensured to move circumferentially around the long bolt 6.1 below the first baffle rod 6.4 so as to realize unlocking and locking of the protective cover 2; the first magnet block 6.3 is close to the pipe wall of the protection pipe 1 (the gap is 2mm-5 mm), so that a movement space is ensured, and the suction force between the first magnet block and the second magnet block 4 can be ensured;
the locking structure further comprises a second limiting piece (namely a second stop rod 6.5) vertically arranged at the bottom of the protective cover 2, the second stop rod 6.5 is positioned between the long bolt 6.1 and the first stop rod 6.4 to limit the rotary rod 6.2, the second stop rod 6.5 is intersected with the central line of the first stop rod 6.4, and the connecting line of the two slots 5.1 is intersected with the central line of the first stop rod 6.4; the height of the first gear lever 6.4 is higher than the height of the locking assembly, ensuring that the locking assembly is free to rotate under the first gear lever 6.4 in Fang Zhou direction to achieve locking and unlocking.
The first stop rod 6.4 is fixed in the protection tube 1, the locking component is fixed in the protection cover 2, the protection cover 2 is locked when the locking component moves to the lower part of the first stop rod 6.4, and the protection cover is unlocked after the locking component leaves the first stop rod 6.4, so that the protection cover is convenient to open, and the result is simple and ingenious; when the locking component moves to the lower part of the first gear rod 6.4, the second gear rod 6.5 can be utilized to limit the locking component, so that the locking component is prevented from leaving the first gear rod 6.4, the locking effect is ensured, and the operating part can be taken off and stored to avoid losing.
The second magnet 4 and the first magnet 6.3 are magnetically attracted. When the second magnet block 4 moves circularly in the protection tube 1, the second magnet block 4 drives the first magnet block 6.3 to synchronously rotate so as to enable the first magnet block to rotate below the first gear rod 6.4, so that the protection cover 2 and the protection tube 1 are locked together; when the second magnet block 4 is rotated in the opposite direction, the second magnet block 4 moves the first magnet block 6.3 away from the lower part of the first gear rod 6.4, so that unlocking of the protective cover 2 is realized, and the protective cover 2 can be taken down at the moment, and the operation is simple and convenient.
As shown in fig. 1 and 3, the rotary rod 6.2 and the long bolt 6.1 are connected together through a connecting component, the connecting component comprises a bearing 6.6 sleeved at the lower part of the connecting component and an anti-falling base 6.7 fixed at the bottom of the connecting component, the anti-falling base 6.7 is in threaded fit with the long bolt 6.1 for being fixed together through bolts, the inner ring of the bearing 6.6 is in tight fit with the anti-falling base 6.7, and the rotary rod 6.2 is fixed on the outer ring of the bearing 6.6, so that the rotary rod 6.2 can do circular motion relative to the long bolt 6.1; the anti-drop portion at the bottom of the anti-drop base 6.7 effectively prevents the bearing 6.6 from dropping, and the height of the anti-drop base 6.7 can be flexibly adjusted according to actual conditions, so that the processing requirement is reduced.
In actual processing, a marking portion for marking a locking direction (i.e., a locking arrow), an unlocking direction (an unlocking arrow), and a locking position (a graphic mark) may be provided on the outer wall of the protection tube 1 to facilitate locking and unlocking operations.
During actual processing, the radial length of the locking component is slightly smaller than the radius of the protection pipe 1 (the difference between the radial length and the radius is 2mm-5 mm), the center distance between the first stop rod 6.4 and the long bolt 6.1 is about one half of the radius of the protection pipe 1, the locking component can be ensured to rotate below the first stop rod 6.4 to realize locking, and the suction force of the first magnet block 6.3 and the second magnet block 4 can be ensured; the height of the first unlocking component is lower than that of the first gear rod 6.4, the height difference of the first unlocking component and the first gear rod is about 2mm-5mm, and the locking effect of the locking structure is ensured.
The invention relates to a protection method for a geological exploration drilling hole orifice, which comprises the following steps:
the first step, a first gear lever 6.4 is installed in a protection tube 1, the protection tube 1 is inserted in a drilling hole F, and the exposed height of the top of the protection tube 1 can be flexibly adjusted according to actual conditions;
secondly, fixing the long bolt 6.1 at the central position of the protective cover 2, installing a locking component at the lower end part of the long bolt 6.1 and ensuring the locking component to move circumferentially around the long bolt 6.1, and adjusting the locking component to be positioned at the opposite side of the first stop lever 6.4 so as to ensure the smooth installation of the protective cover 2;
thirdly, inserting the protection cover 2 into the slot 5.1 of the protection pipe 1 to form a protection cavity, and pulling the locking assembly to rotate around the long bolt 6.1 to the lower part of the second gear rod 6.4 by using the second magnet block 4; when the rotary rod 6.1 rotates to the second gear rod 6.5, the second gear rod 6.5 limits the rotary rod, the protection cover 2 and the protection pipe 1 are locked together, and the installation operation of the drilling protection device is completed.
When the protective cover is used, the second magnet block 4 is held by hand to move along the circumference of the pipe wall of the protective pipe 1, and when the magnetic attraction is felt, the second magnet block 4 is moved along the pipe wall of the protective pipe 1 to move towards the first baffle rod 6.4, so that the first magnet block 6.3 is driven to rotate around the long bolt 6.1 to the position below the first baffle rod 6.4, and the protective cover 2 is locked; the second magnet block 4 carries the first magnet block 6.3 to continue the circular motion until the second magnet block moves to the second gear lever 6.5, and the second gear lever 6.5 limits the rotating rod 6.2; then the second magnet block 4 is stored; when the protection cover 2 needs to be opened, the second magnet block 4 is taken out and moves along the opposite direction of the pipe wall of the protection pipe 1, the second magnet block 4 carries the first magnet block 6.3 to move circumferentially, the rotary rod 6.2 is enabled to rotate out from the lower part of the first gear rod 6.4, unlocking of the protection cover 2 is achieved, and the protection cover 2 can be opened.
In the description of the present invention, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.
It should be emphasized that the above description is merely a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some of the technical features described in the above embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A protection method for a geological exploration drilling hole is characterized by comprising the following steps: the protection method adopts a special orifice protection device, and the orifice protection device comprises
The protection pipe is vertically inserted into the drill hole;
the protective cover is arranged at the top of the protective pipe, and the protective cover and the protective pipe are spliced together to form a protective cavity for protecting drilling;
the locking structure is provided with a connecting piece vertically arranged on the bottom surface of the protective cover, a locking component rotatably arranged at the bottom of the connecting piece and a first limiting piece horizontally arranged in the protective pipe, wherein the locking component is arranged in a clearance with the protective pipe, the height of the locking component is lower than that of the first limiting piece, and the distance between the center of the first limiting piece and the protective pipe is smaller than that between the locking component and the protective pipe; and
the operation piece is arranged on the outer side of the protection tube, and the operation piece pulls the locking assembly to move circumferentially and is used for unlocking and locking the protection cover;
the protection method comprises the following steps:
the method comprises the steps of firstly, installing a first limiting piece in a protection tube, and inserting the protection tube in a drill hole;
the second step, vertically installing the connecting piece at the central position of the protective cover, and then horizontally installing the locking component at the lower part of the connecting piece and ensuring the locking component to move circumferentially around the connecting piece;
and thirdly, adjusting the locking assembly to be positioned on the opposite side of the first limiting piece, inserting the protective cover on the protective pipe to form a protective cavity, and pulling the locking assembly to rotate around the connecting piece to the lower side of the first limiting piece by using the operating piece, wherein the first limiting piece limits the upper and lower strokes of the locking assembly so as to lock the protective cover on the protective pipe.
2. The method of protecting a geological exploration borehole orifice according to claim 1, wherein: the protection tube and the protection cover are connected together through a connecting structure, and the connecting structure comprises
The slot is formed in the protective tube and extends downwards from the top of the protective tube vertically, and a first supporting table is arranged at the bottom of the slot; and
the inserting piece is arranged on the bottom wall of the protective cover, and a second supporting table is arranged at the upper part of the inserting piece;
the inserting piece is inserted into the inserting groove, the bottom of the inserting piece is placed on the first supporting table, and the second supporting table is placed on the top of the protection tube.
3. A method of protecting a geological exploration drilling aperture according to claim 1 or 2, characterized in that: the locking component is provided with a rotating rod rotatably arranged at the lower part of the connecting piece and a first magnet block arranged at the end part of the rotating rod; the operating piece is a second magnet piece which is magnetically attracted with the first magnet piece.
4. A method of protecting a geological exploration borehole orifice according to claim 3, wherein: the locking structure further comprises a second limiting part vertically arranged on the protective cover, the bottom height of the second limiting part is lower than that of the rotating rod, and the second limiting part is located between the connecting part and the first limiting part.
5. The method of protecting a geological exploration borehole orifice according to claim 4, wherein: the connecting piece is arranged at the center of the protective cover; the second limiting piece is close to the center line of the first limiting piece so that the rotating rod is located below the center line of the first limiting piece.
6. The method of protecting a geological exploration borehole orifice according to claim 5, wherein: the height difference between the first limiting piece and the rotating rod is 2-5 mm; the gap between the first magnet block and the protection tube is 2mm-5 mm.
7. The method of protecting a geological exploration borehole orifice according to claim 1, wherein: the connecting piece is a long bolt or a mounting shaft vertically arranged at the center of the protective cover.
8. A method of protecting a geological exploration borehole orifice according to claim 3, wherein: the rotary rod is connected with the connecting piece through a connecting component, and the connecting component comprises a bearing sleeved at the lower part of the connecting piece and an anti-falling base fixed at the bottom of the connecting piece.
9. The method of protecting a geological exploration borehole orifice according to claim 1, wherein: the outer wall of the protection tube is provided with a marking part for marking the unlocking direction, the unlocking direction and the locking position.
10. The method of protecting a geological exploration borehole orifice according to claim 1, wherein: the protective tube and the protective cover are both made of vinyl chloride resin or polyethylene resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210428828.1A CN114991696B (en) | 2022-04-22 | 2022-04-22 | Protection method for geological exploration drilling hole orifice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210428828.1A CN114991696B (en) | 2022-04-22 | 2022-04-22 | Protection method for geological exploration drilling hole orifice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114991696A CN114991696A (en) | 2022-09-02 |
| CN114991696B true CN114991696B (en) | 2023-11-21 |
Family
ID=83025882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210428828.1A Active CN114991696B (en) | 2022-04-22 | 2022-04-22 | Protection method for geological exploration drilling hole orifice |
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