CN114991696A - Method for protecting orifice of geological exploration drilling - Google Patents
Method for protecting orifice of geological exploration drilling Download PDFInfo
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- CN114991696A CN114991696A CN202210428828.1A CN202210428828A CN114991696A CN 114991696 A CN114991696 A CN 114991696A CN 202210428828 A CN202210428828 A CN 202210428828A CN 114991696 A CN114991696 A CN 114991696A
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- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 102
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 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
- 238000010276 construction Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 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
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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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- 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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
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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
- 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 method for protecting a geological exploration drilling hole orifice, which comprises the following steps: step one, installing a first limit part in a protection pipe, and inserting the protection pipe in a drill hole; secondly, installing the connecting piece in the protective cover, installing the locking assembly at the lower part of the connecting piece and ensuring that the locking assembly moves around the connecting piece in the circumferential direction; and thirdly, adjusting the locking assembly to be positioned on the opposite side of the first limiting part, inserting the protective cover on the protective pipe to form a protective cavity, and pulling the locking assembly to rotate to the position below the first limiting part around the connecting piece by utilizing an operating piece. The invention has the advantages that the field installation of the drilling orifice is realized by adopting the small-volume and light-weight protection tube and the protection cover, the disassembly and the assembly are simple and convenient, the field construction time is effectively shortened, the labor input is reduced, the miniaturization and the light-weight are realized, the transportation is convenient, and the construction 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 method for protecting a geological exploration drilling hole opening.
Background
In underground environment investigation, geological exploration and monitoring projects, a borehole is usually monitored for a long time to acquire more geological information data. However, damage caused by human, animal and external environment factors is particularly easy to occur in the long-term monitoring process, so that normal monitoring of the drill hole is affected, and even the drill hole is scrapped. Therefore, during drilling it is common to place a suitable casing in the borehole to protect the wall of the hole, and after the drilling operation has been completed, to provide a protective device at the opening in time to protect the borehole from external damage.
The existing protection scheme of the drilling hole opening is that a cylinder is installed around a drilling hole, the diameter of the cylinder is 2-3 times of that of the drilling hole, the cylinder is mostly made of steel, brick masonry or concrete structures, a cover is covered on the top of the cylinder, and then the cover and the cylinder are locked together through an external special-shaped lock, so that the protection scheme is suitable for areas with less human activities. Although the protection mode has good protection effect, the protection mode generally has the defects of large volume, heavy weight, high material transportation difficulty and long construction period, prolongs the drilling period, and is particularly not suitable for areas needing hidden processing, such as cities and the like; in addition, the external special-shaped lock is mostly made of metal, and is particularly easy to corrode and artificially block to influence normal unlocking when exposed in the external environment for a long time.
Disclosure of Invention
In view of this, the invention provides a method for protecting an orifice of a geological exploration drilling hole, which adopts a special orifice protection device, and has the advantages of good protection effect, simple and rapid installation, short construction period and low investment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a method for protecting the orifice of a geological exploration drilling hole, which adopts a special orifice protecting device comprising
The protective tube is vertically inserted into the drill hole;
the protective cover covers the top of the protective tube, and the protective cover and the protective tube are spliced together to form a protective cavity for protecting the drill hole;
the locking structure is provided with a connecting piece vertically arranged on the bottom surface of the protection cover, a locking assembly rotatably arranged at the bottom of the connecting piece and a first limiting piece horizontally arranged in the protection pipe, the locking assembly is arranged in a clearance with the protection pipe, the height of the locking assembly is lower than that of the first limiting piece, and the distance between the center of the first limiting piece and the protection pipe is smaller than that of the locking assembly and the protection pipe; and
the operating piece is arranged on the outer side of the protective tube and used for pulling the locking assembly to move circumferentially and unlocking and locking the protective cover;
the protection method comprises the following steps:
the method comprises the following steps that firstly, a first limiting piece is installed in a protective pipe, and the protective pipe is inserted into a drill hole;
secondly, vertically installing a connecting piece at the center of the protective cover, and horizontally installing a locking assembly at the lower part of the connecting piece and ensuring that the locking assembly moves around the connecting piece in the circumferential direction;
and thirdly, adjusting the locking assembly to be positioned on the opposite side of the first limiting part, inserting the protective cover on the protective pipe to form a protective cavity in an enclosing manner, drawing the locking assembly to rotate to the lower part of the first limiting part around the connecting piece by utilizing an operating piece, and limiting the up-down stroke of the locking assembly by the first limiting part so as to lock the protective cover on the protective pipe.
The beneficial effects are that: the diameter of the protection tube and the diameter of the protection cover are consistent with that of the drill hole, so that the orifice protection device is miniaturized, lightened and convenient to transport; during installation, after the protection pipe is inserted into the drill hole, the protection cover is inserted on the protection pipe, so that construction can be completed, the construction is simple, the construction period is short, and the 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 human or external environmental factors on the premise of ensuring locking. The minimum exposed height of the drilling hole protection device after the assembly by adopting the mounting method can be controlled to be 0.1m, and the drilling hole protection device is particularly suitable for areas with higher concealment requirements for cities and the like.
The protection tube and the protective cover are connected together through a connecting structure, and the connecting structure comprises
The inserting groove is formed in the protective pipe and vertically extends downwards from the top of the protective pipe, and a first supporting platform is arranged at the bottom of the first inserting groove; 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;
wherein, the inserted sheet cartridge is in the slot, and the bottom of inserted sheet is taken and is put on first brace table, and second brace table is taken and is put at the top of protective tube.
The beneficial effects are that: the protective cover can be quickly inserted on the protective tube through the inserting slots and the inserting pieces, and can also be quickly taken out of the protective tube, so that the protective cover is simple and convenient to assemble and disassemble; the first supporting table and the second supporting table can effectively guarantee the connection stability of the protective cover and the protective tube, and the protective cover is prevented from falling off from the protective tube.
Further, the locking assembly 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 block which is magnetically attracted with the first magnet block. The beneficial effects are that: due to the fact that the magnetism of the first magnet block and the magnetism of the second magnet block are attracted, the first magnet block can be drawn to move circumferentially inside the protection cavity by moving the second magnet block, and therefore locking and unlocking of the protection cover are achieved; the protective cover is normally in a normally locked state in which the second magnet block can be retracted.
Further, locking structure still includes vertical setting and is in second locating part on the safety cover, the bottom elevation of second locating part is less than the rotary rod, and second locating part is located the connecting piece with between the first locating part. The beneficial effects are that: when the rotating rod rotates to a position below the first limiting piece, the first limiting piece can limit the up-down stroke of the rotating rod, and the protective cover is in a locking state because the protective cover cannot be opened due to the blocking of the first limiting piece; in order to prevent the rotating rod from rotating away from the lower part of the first limiting part, the second limiting part is utilized to block the rotating rod, so that the rotating rod is positioned in the locking position, and the rotating rod is effectively prevented from rotating so as to unlock the protective cover.
Further, the connector is disposed at the center of the protection 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.
Furthermore, the height difference between the first limiting piece and the rotating rod is 2-5 mm; the clearance between the first magnet block and the protection tube is 2-5 mm, and the distance between the first magnet block and the second magnet block is shortened to the maximum extent so as to ensure the attraction force of the first magnet block and the second magnet block.
Further, the connecting piece is a long bolt or an installation shaft which is vertically arranged at the center of the protective cover.
Further, the rotary rod with the connecting piece links together through coupling assembling, coupling assembling includes the suit the bearing of connecting piece lower part with fix the anticreep base of connecting piece bottom.
The beneficial effects are that: the rotary rod is connected with the connecting piece through the 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 portion for marking a locking direction, an unlocking direction and a locking position is provided on an 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 made of vinyl chloride resin, so that the weight can be reduced and the protective cover is convenient to transport; and on the other hand, the drilling protection cost is reduced.
The invention has the advantages that the field installation of the drilling orifice is realized by adopting the small-volume and light-weight protection tube and the protection cover, the disassembly and the assembly are simple and convenient, the field construction time is effectively shortened, the labor input is reduced, the miniaturization and the light-weight are realized, the transportation is convenient, and the construction 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 plan view (unlocked state) of fig. 1.
Fig. 3 is a locking state diagram of the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a sectional view of the protection tube of the present invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
The invention relates to a method for protecting a geological exploration drilling orifice, which adopts a special orifice protecting device; as shown in fig. 1-5, the orifice protection device includes
The protective tube 1 is vertically inserted into the drill hole F, the diameter of the protective tube 1 is slightly smaller than the diameter of the drill hole, and miniaturization and light weight are achieved;
the protective cover 2 is covered on the top of the protective tube 1, the protective cover 2 and the protective tube 1 are connected together to form a protective cavity 3 for protecting a drill hole, and the orifice of the drill hole is effectively protected from being damaged by the outside; in addition, the height of the orifice protection device outside the drill hole F is not more than 0.6m, the orifice protection device is small in size, low in exposed height, attractive and elegant, and is particularly suitable for urban areas with high requirements on urban appearance;
a locking structure which 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 (namely a first gear rod 6.4, (an arc structure with both ends of the first gear rod 6.4 matched with the pipe wall of the protective pipe 1) horizontally arranged in the protective pipe 1, wherein the locking component is arranged in a clearance with the protective pipe 1 and the height of the locking component is lower than that of the first gear rod 6.4, the distance between the center of the first gear rod 6.4 and the pipe wall of the protective pipe 1 is smaller than that of the locking component and the protective pipe 1, and the first gear rod 6.4 can effectively block the locking component from moving upwards to realize the locking of the protective cover 2, and
and the operating part is a second magnet block 4 arranged on the outer side of the protection pipe 1 and used for drawing the locking assembly to move circumferentially in the protection cavity so as to unlock and lock the protection cover 2 and the protection pipe 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 light weight of the whole device is realized; the protective cover 2 and the protective tube 1 adopt a plug connection mode, so that the assembly is simple, the transportation and the field assembly and disassembly are convenient, and the drill 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 by a connection structure, the connection structure includes a pair of slots 5.1 symmetrically formed on the protection tube 1 and a pair of insertion pieces 5.2 symmetrically formed on the protection cover 2, the slots 5.1 and the insertion pieces 5.2 are correspondingly formed up and down (of course, the slots 5.1 and the insertion pieces 5.2 may be three, four or more pairs); the slot 5.1 vertically extends downwards from the top of the protection tube 1, 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 circumference of the protection tube 1, and the bottom of the slot 5.1 is provided with a first supporting platform; 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 vertically extending downwards from the bottom wall of the protective cover 2, and the long bolt 6.1 is installed at the central position of the protective cover 2 in an embedded mode, so that the installation is simple and convenient, and the manual disassembly and assembly damage is avoided; after 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 a connecting assembly and a first magnet block 6.3 arranged at the end part of the rotating rod 6.2, the rotating rod 6.2 and the first magnet block 6.3 are both positioned in the protecting tube 1 after the protecting cover 2 and the protecting tube 1 are inserted together, the heights of the rotating rod 6.2 and the first magnet block 6.4 are both lower than that of the first gear 6.4, the height difference between the rotating rod 6.2 and the first gear 6.4 is 2-5 mm, and the rotating rod 6.2 is ensured to circularly move around the long bolt 6.1 below the first gear 6.4 so as to realize the unlocking and locking of the protecting cover 2; the first magnet block 6.3 is close to the pipe wall (the gap is 2mm-5 mm) of the protection pipe 1, so that the 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 gear rod 6.5) vertically arranged at the bottom of the protective cover 2, the second gear rod 6.5 is positioned between the long bolt 6.1 and the first gear rod 6.4 so as to limit the rotating rod 6.2, the second gear rod 6.5 is intersected with the central line of the first gear rod 6.4, and the connecting line of the two slots 5.1 is intersected with the central line of the first gear rod 6.4; the height of the first gear lever 6.4 is higher than that of the locking assembly, so that the locking assembly can rotate freely in the circumferential direction under the first gear lever 6.4 to realize locking and unlocking.
According to the invention, the first gear lever 6.4 is fixed in the protection tube 1, the locking component is fixed in the protection cover 2, when the locking component moves to the lower part of the first gear lever 6.4, the protection cover 1 is locked, and when the locking component leaves the first gear lever 6.4, the protection cover is unlocked, so that the protection cover is convenient to open, and the result is simple and ingenious; when locking Assembly moved to first shelves pole 6.4 below, usable second shelves pole 6.5 was spacing to locking Assembly, not only prevented that locking Assembly from leaving first shelves pole 6.4, ensured the locking effect, still can take away the operating parts and deposit, avoided losing.
The second magnet block 4 and the first magnet block 6.3 are magnetically attracted to each other. When the second magnet block 4 moves circumferentially on the protection tube 1, the second magnet block 4 drives the first magnet block 6.3 to rotate synchronously to the lower part of the first gear lever 6.4, so as to lock the protection cover 2 and the protection tube 1 together; when the second magnet block 4 rotates in the opposite direction, the second magnet block 4 moves the first magnet block 6.3 away from the lower part of the first shift lever 6.4, so that the protection cover 2 is unlocked, the protection cover 2 can be taken down, 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 assembly, the connecting assembly comprises a bearing 6.6 sleeved on the lower part of the connecting piece and an anti-drop base 6.7 fixed at the bottom of the connecting piece, the anti-drop base 6.7 is in threaded fit with the long bolt 6.1 for bolt fixing, the inner ring of the bearing 6.6 is in tight fit with the anti-drop 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 make circular motion relative to the long bolt 6.1; the anticreep portion of anticreep base 6.7 bottom effectively avoids bearing 6.6 to drop, and anticreep base 6.7 highly can be according to actual conditions nimble adjustment, reduces the processing demand.
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 protective tube 1 to facilitate locking and unlocking operations.
During actual processing, the radial length of the locking assembly is slightly smaller than the radius of the protection tube 1 (the difference between the radius of the first gear rod and the radius of the protection tube 1 is 2mm-5 mm), the center distance between the first gear rod 6.4 and the long bolt 6.1 is about half of the radius of the protection tube 1, the locking assembly can be ensured to rotate to the position below the first gear 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 first unlocking assembly is lower than the first gear lever 6.4 in height, and the height difference between the first unlocking assembly and the first gear lever is about 2mm-5mm, so that the locking effect of the locking structure is ensured.
The invention relates to a method for protecting a geological exploration drilling hole opening, which comprises the following steps:
step one, a first gear rod 6.4 is installed in a protection pipe 1, the protection pipe 1 is inserted into a drill hole F, and the exposed height of the top of the protection pipe 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 assembly at the lower end part of the long bolt 6.1 and ensuring that the locking assembly moves around the circumference of the long bolt 6.1, and adjusting the locking assembly to be positioned at the opposite side of the first gear lever 6.4 so as to ensure the smooth installation of the protective cover 2;
thirdly, inserting the protective cover 2 into a slot 5.1 of the protective tube 1 to form a protective cavity, and drawing the locking assembly to rotate around the long bolt 6.1 to the lower part of a second gear rod 6.4 by using a second magnet block 4; when the rotating rod 6.1 rotates to the second gear lever 6.5, the second gear lever 6.5 limits the position, the protective cover 2 and the protective pipe 1 are locked together, and the installation operation of the drilling hole 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, when magnetic attraction is sensed, the second magnet block 4 is moved to the direction of the first gear rod 6.4 along the pipe wall of the protective pipe 1, and then the first magnet block 6.3 is driven to rotate to the position below the first gear rod 6.4 around the long bolt 6.1, and the protective cover 2 is locked; the second magnet block 4 drives the first magnet block 6.3 to continue circular motion until the second magnet block moves to a 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 accommodated; when the protective 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 protective pipe 1, the second magnet block 4 drives the first magnet block 6.3 to move circumferentially, the rotating rod 6.2 is rotated out from the lower part of the first gear rod 6.4, the protective cover 2 is unlocked, and the protective cover 2 can be opened.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and not limitative of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made to the embodiments described in the foregoing without inventive faculty, or that equivalents may be substituted for elements thereof. Therefore, any modifications, equivalents, improvements, etc., which come within the spirit and principle of the present invention, should be construed as being included in the scope of the present invention.
Claims (10)
1. A method of protecting a geological exploration borehole aperture, comprising: the protection method adopts a special orifice protection device which comprises
The protective pipe is vertically inserted into the drill hole;
the protective cover covers the top of the protective tube, and the protective cover and the protective tube are spliced together to enclose a protective cavity for protecting the drill hole;
the locking structure is provided with a connecting piece vertically arranged on the bottom surface of the protection cover, a locking assembly rotatably arranged at the bottom of the connecting piece and a first limiting piece horizontally arranged in the protection pipe, the locking assembly is arranged in a clearance with the protection pipe, the height of the locking assembly is lower than that of the first limiting piece, and the distance between the center of the first limiting piece and the protection pipe is smaller than that of the locking assembly and the protection pipe; and
the operating piece is arranged on the outer side of the protection tube and used for pulling the locking assembly to move circumferentially and unlocking and locking the protection cover;
the protection method comprises the following steps:
the method comprises the following steps that firstly, a first limiting piece is installed in a protective pipe, and the protective pipe is inserted into a drill hole;
secondly, vertically installing the connecting piece at the central position of the protective cover, then horizontally installing the locking assembly at the lower part of the connecting piece and ensuring that the locking assembly moves around the connecting piece in the circumferential direction;
and thirdly, adjusting the locking assembly to be positioned on the opposite side of the first limiting part, inserting the protective cover on the protective pipe to form a protective cavity in an enclosing manner, drawing the locking assembly to rotate to the lower part of the first limiting part around the connecting piece by utilizing an operating piece, and limiting the up-down stroke of the locking assembly by the first limiting part so as to lock the protective cover on the protective pipe.
2. A method of protecting a geological exploration drilling aperture according to claim 1, characterized by: the protection tube with link together through connection structure between the safety cover, connection structure includes
The inserting groove is formed in the protective pipe and vertically extends downwards from the top of the protective pipe, and a first supporting platform is arranged at the bottom of the first inserting groove; 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;
wherein, the inserted sheet cartridge is in the slot, and the bottom of inserted sheet is taken and is put on first brace table, and second brace table is taken and is put at the top of protective tube.
3. A method of protecting a geological exploration drilling aperture according to claim 1 or 2, characterized by: the locking assembly 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 block which is magnetically attracted with the first magnet block.
4. A method of protecting a geological exploration drilling aperture according to claim 3, characterized by: the locking structure further comprises a second limiting part vertically arranged on the protective cover, the bottom elevation of the second limiting part is lower than that of the rotary rod, and the second limiting part is located between the connecting piece and the first limiting part.
5. The geological exploration drilling aperture protection device of 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 geological exploration drilling aperture protection device of claim 5, wherein: the height difference between the first limiting piece and the rotating rod is 2-5 mm; the clearance between the first magnet block and the protection tube is 2-5 mm.
7. The geological exploration drilling aperture protection device of claim 1, wherein: the connecting piece is vertically arranged on a long bolt or an installation shaft at the center of the protective cover.
8. The geological exploration drilling aperture protection device of claim 1, wherein: the rotary rod with the connecting piece links together through coupling assembling, coupling assembling includes the suit and is in the bearing of connecting piece lower part with fix the anticreep base of connecting piece bottom.
9. The geological exploration drilling aperture protection device of 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 geological exploration drilling aperture protection device of claim 1, wherein: the protection pipe and the protection 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 true CN114991696A (en) | 2022-09-02 |
| CN114991696B CN114991696B (en) | 2023-11-21 |
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| 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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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN203114228U (en) * | 2013-03-07 | 2013-08-07 | 陕西省地质环境监测总站 | Wellhead protecting device for ground water monitoring well |
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| CN114991696B (en) | 2023-11-21 |
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