CN115405250B - Drilling plugging device - Google Patents
Drilling plugging device Download PDFInfo
- Publication number
- CN115405250B CN115405250B CN202211166858.6A CN202211166858A CN115405250B CN 115405250 B CN115405250 B CN 115405250B CN 202211166858 A CN202211166858 A CN 202211166858A CN 115405250 B CN115405250 B CN 115405250B
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- sleeve
- hole
- wall
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- 238000005553 drilling Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 238000010862 gear shaping Methods 0.000 claims description 21
- 230000000670 limiting effect Effects 0.000 claims description 7
- 230000000452 restraining effect Effects 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002829 reductive effect Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 2
- 241001330002 Bambuseae Species 0.000 abstract description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 2
- 239000011425 bamboo Substances 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation 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
Landscapes
- 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 embodiment of the application discloses a drilling plugging device, which comprises a protecting cover, a driving mechanism, a locking mechanism and a wall protecting sleeve, wherein the protecting cover is used for covering a drilling hole; the driving mechanism is arranged on the protecting cover; the locking mechanism comprises a first locking piece which is in transmission connection with the output end of the driving mechanism; the dado telescopic link is equipped with first through-hole in the protective cover, dado telescopic section of thick bamboo wall, and first retaining member has expansion state and shrink state, in expansion state, first retaining member passes first through-hole and imbeds the drilling pore wall, in shrink state, first retaining member accomodates in the dado sleeve. According to the drilling plugging device provided by the embodiment of the application, the first locking piece can be contained in the retaining wall sleeve, so that the occupied space can be reduced, and the volume of the drilling plugging device is reduced. In addition, because the wall of the retaining wall sleeve is provided with the first through hole, the first locking piece penetrates through the first through hole and is embedded into the wall of the drilling hole, so that the retaining wall sleeve can cover the whole wall of the drilling hole as much as possible, and the protection effect is improved.
Description
Technical Field
The application relates to the field of engineering protective equipment, in particular to a drilling plugging device.
Background
In urban investigation works such as urban rail transit engineering and municipal engineering, drilling is usually needed to collect surface information, but at present, all large cities in China are difficult to have continuous construction operation conditions, so that temporary plugging of drilling is often needed, in related technology, temporary plugging is often carried out on drilling through a mode of covering a steel plate on the surface of the drilling, but because the steel plate is difficult to fix on the surface of the earth, when the steel plate is shifted, the exposure of the drilling can form safety threat to passing vehicles or pedestrians, so that risks are increased.
Disclosure of Invention
The embodiment of the application provides a drilling plugging device which can solve the technical problem that drilling holes are easy to expose during temporary plugging in the related technology.
The embodiment of the application provides a drilling plugging device, which comprises a protecting cover, a driving mechanism, a locking mechanism and a wall protection sleeve, wherein the protecting cover is used for covering a drilling hole; the driving mechanism is arranged on the protecting cover; the locking mechanism comprises a first locking piece, and the first locking piece is in transmission connection with the output end of the driving mechanism; the dado telescopic link in the protecting cover, dado telescopic section of thick bamboo wall is equipped with first through-hole, first retaining member has expansion state and shrink state, in the expansion state, first retaining member passes first through-hole and embedding the borehole wall, in the shrink state, first retaining member accomodate in the dado telescopic link.
In some exemplary embodiments, the driving mechanism includes: the protecting cover is provided with a second through hole for rotating the screw rod corresponding to the screw rod; and the moving piece is in threaded connection with the screw rod and is in transmission connection with the first locking piece.
In some exemplary embodiments, the driving mechanism further includes: the sleeve is connected with the protecting cover and surrounds the screw rod; and the limiting piece is arranged between the sleeve and the screw rod and is used for restraining the screw rod to move along the axial direction.
In some exemplary embodiments, the locking mechanism further comprises: the fixing piece is detachably connected with the sleeve and hinged with the first locking piece; and the two ends of the first connecting piece are respectively hinged to the moving piece and the first locking piece, and the first connecting piece is used for driving the first locking piece to rotate when the moving piece moves.
In some exemplary embodiments, the first locking member includes: the first connecting arm is hinged to the fixing piece and hinged to the first connecting piece; and the first gear shaping is arranged on the first connecting arm, and the tooth tip of the first gear shaping faces to the direction deviating from the outer surface of the retaining wall sleeve.
In some exemplary embodiments, the number of the first locking members is three, the number of the first connecting members is correspondingly three, and the three first locking members are uniformly arranged on the fixing member in a surrounding manner.
In some exemplary embodiments, the locking mechanism further comprises: the second locking piece is hinged with the fixing piece and is far away from the protecting cover compared with the first locking piece; and two ends of the second connecting piece are respectively hinged with the moving piece and the second locking piece.
In some exemplary embodiments, the borehole plugging device further comprises: a sleeve extension piece detachably connected with the sleeve; and the screw rod extension piece is detachably connected with the screw rod.
In some exemplary embodiments, the borehole plugging device further comprises a sealing ring disposed at an edge of the protective cover.
In some exemplary embodiments, the surface of the protective cover facing away from the locking mechanism is provided with stripes for increasing the coefficient of friction.
The beneficial effects are that: according to the drilling plugging device provided by the embodiment of the application, the first locking piece can be contained in the retaining wall sleeve, so that the occupied space can be reduced, and the volume of the drilling plugging device is reduced. In addition, because the wall of the retaining wall sleeve is provided with the first through hole, the first locking piece penetrates through the first through hole and is embedded into the wall of the drilling hole, so that the retaining wall sleeve can cover the whole wall of the drilling hole as much as possible, and the protection effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a borehole plugging apparatus according to an embodiment of the present application;
FIG. 2 is a schematic view of a portion of a borehole plugging apparatus according to an embodiment of the present application;
FIG. 3 is a schematic view showing a part of a borehole plugging apparatus according to another embodiment of the present application;
fig. 4 is a schematic view showing a part of the structure of a borehole plugging apparatus according to still another embodiment of the present application.
Reference numerals illustrate: 100. a borehole plugging device; 110. a protective cover; 110a, a second through hole; 120. a driving mechanism; 121. a screw; 122. a moving member; 123. a sleeve; 130. a locking mechanism; 131. a first locking member; 1311. a first connecting arm; 1312. a first gear shaping; 132. a fixing member; 133. a first connector; 134. a second locking member; 135. a second connector; 140. a retaining wall sleeve; 140a, first through holes.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
As shown in fig. 1-3, an embodiment of the present application provides a borehole plugging apparatus 100, wherein the borehole plugging apparatus 100 includes a protecting cover 110, a driving mechanism 120, a locking mechanism 130, and a retaining wall sleeve 140.
The protecting cover 110 is used for covering the drilled holes, the protecting cover 110 can be made of steel plates or other materials with higher hardness, the shape of the protecting cover 110 can be round or square, the protecting cover 110 is not limited herein, and only the protecting cover 110 can completely cover the drilled holes which need to be plugged. For example, the cover 110 may be formed of a circular steel plate having a diameter of 400mm and a thickness of 5 mm. In order to improve the strength of the protective cover 110, a tie bar may be disposed on the back surface of the protective cover 110 to improve the durability of the protective cover 110 and avoid deformation of the protective cover 110 as much as possible.
The driving mechanism 120 is disposed on the protective cover 110, and the driving mechanism 120 is used for driving the locking mechanism 130 to act. Specifically, the driving mechanism 120 may drive the locking mechanism 130 to act by rotating, moving, swinging, or the like.
The locking mechanism 130 includes a first locking member 131, the first locking member 131 is in transmission connection with an output end of the driving mechanism 120, and the driving mechanism 120 is specifically configured to drive the first locking member 131 to act, so that the first locking member 131 is embedded in or pulled out from a wall of a borehole. Specifically, the action of embedding the first locking member 131 into the borehole wall may be translational embedding or rotational embedding, and the action of extracting the first locking member 131 from the borehole wall is opposite to the action of embedding the first locking member into the borehole wall. The first locking member 131 may have a bar shape, and the first locking member 131 may have a length of 420mm and a width of 60mm. During translation embedding, one conical disc can be moved up and down, the other conical disc is extruded, and the up and down movement is changed into horizontal movement.
The retaining wall sleeve 140 is connected to the protective cover 110, and the retaining wall sleeve 140 can protect the borehole wall from collapsing. The wall of the retaining wall sleeve 140 is provided with a first through hole 140a, and the first locking member 131 has an expanded state in which the first locking member 131 passes through the first through hole 140a and is embedded in the wall of the borehole, and a contracted state in which the first locking member 131 is received in the retaining wall sleeve 140. It should be noted that, the size of the first through hole 140a may be substantially identical to the size of the first locking member 131, so, when the first locking member 131 is in the contracted state, the first locking member 131 may be flush with the outer wall surface of the retaining wall sleeve 140, so that the first locking member 131 may have an effect of abutting against the wall of the hole when in the contracted state, and further the first locking member 131 has the same effect as the retaining wall sleeve 140, thereby improving the protection effect on the wall of the hole. When the first locking member 131 is in the unfolded state, the first locking member 131 is embedded into the wall of the borehole, and the first locking member 131 can prevent the protecting cover 110 from being displaced and bear a part of the pressure on the protecting cover 110 while protecting the wall of the borehole, so as to prevent the earth surface near the borehole from being subjected to excessive pressure and sinking. In addition, the wall protection sleeve 140 is disposed on the protective cover 110, which can act as a tie bar, thereby improving the strength of the protective cover 110. The retaining wall sleeve 140 may be made of PE, the outer diameter of the retaining wall sleeve 140 may be 300mm, the inner diameter may be 298mm, and the wall thickness may be 2mm.
In summary, in the borehole plugging device 100 according to the embodiment of the present application, the first locking member 131 can be received in the retaining wall sleeve 140, so that space occupation can be reduced, which is beneficial for the borehole plugging device 100 to reduce the volume. In addition, since the wall of the retaining wall sleeve 140 is provided with the first through hole 140a, the first locking member 131 passes through the first through hole 140a and is embedded into the wall of the drilled hole, so that the retaining wall sleeve 140 can cover the whole wall of the drilled hole as much as possible, and the protection effect is improved. In addition, since the first locking member 131 can be embedded into the wall of the hole, the first locking member 131 can prevent the protecting cover 110 from being displaced and bear a part of the pressure on the protecting cover 110 while protecting the wall of the hole, so as to prevent the earth surface near the hole from being subjected to excessive pressure and sinking.
As shown in fig. 3, in some embodiments, the drive mechanism 120 includes a screw 121 and a mover 122.
The screw 121 is screw-fitted with the moving member 122, and when the screw 121 is fixed in the axial direction, the moving member 122 can be moved in the axial direction of the screw 121 by rotating the screw. Generally, the screw 121 is disposed at the bottom of the protecting cover 110, so as to prevent the screw 121 from protruding from the protecting cover 110, which threatens the passing pedestrians and vehicles. In order to facilitate the rotation of the screw 121, the cover 110 is provided with a second through hole 110a corresponding to the screw 121, and is connected to the screw 121 through the second through hole 110a by a manual tool or a power tool, thereby rotating the screw 121. The screw 121 may be 1000mm long and 20mm in diameter. The diameter of the second through hole 110a may be 50mm. It should be noted that, the screw 121 and the moving member 122 generally have a larger transmission ratio through screw driving, so that the first locking member 131 is easy to be embedded into the wall of the borehole. And the screw thread fit has certain self-locking property, so that the screw 121 can be prevented from loosening to a certain extent.
The moving member 122 is in driving connection with the first locking member 131, and when the moving member 122 moves, the moving member 122 can drive the first locking member 131 to move, so that the first locking member 131 is switched to an expanded state or a contracted state. The moving member 122 and the first locking member 131 may be directly connected or indirectly connected. The moving member 122 may be a triangle with a threaded hole, each of which has a three-side length of 100mm, a thickness of 3mm, and a central threaded hole diameter of 20mm.
In some embodiments, the borehole plugging apparatus 100 further comprises a seal for plugging the second through-hole 110a to prevent rainwater from flowing into the interior of the retaining wall sleeve 140 through the second through-hole 110 a. The seal may be threadably coupled to the second through hole 110 a.
With continued reference to FIG. 3, in some embodiments, the drive mechanism 120 further includes a sleeve 123 and a stop (not shown).
The sleeve 123 is connected to the protective cover 110, and the sleeve 123 may function as a tie bar, thereby facilitating the improvement of the strength of the protective cover 110. The sleeve 123 encloses with the screw 121, so that the sleeve 123 can play a certain role in protecting the screw 121, and other components or external sundries in the drilling plugging device 100 are prevented from contacting with the screw 121, and the rotation of the screw 121 is prevented from being influenced. The sleeve 123 may have an inner diameter of 47mm, an outer diameter of 50mm, a height of 400mm, and a wall thickness of 3mm.
The limiting piece is arranged between the sleeve 123 and the screw 121, and is used for limiting the screw 121 to move along the axial direction. The limiting member may specifically include two bearings, one of which is disposed at one end of the screw 121 and the other of which is disposed at the other end of the screw 121, so that the two bearings not only can ensure stability of the screw 121 during rotation, but also can reduce resistance of the screw 121 during rotation. The inner ring of the bearing is connected with the screw 121, and the outer ring of the bearing is connected with the sleeve 123. The inner diameter of the bearing may be 20mm and the outer diameter of the bearing may be 47mm. Of course, the limiting member may be disposed between the protecting cover 110 and the screw 121.
Referring again to fig. 3, in some embodiments, the locking mechanism 130 further includes a securing member 132 and a first connecting member 133. The fixing member 132 is hinged to the first locking member 131, and two ends of the first connecting member 133 are respectively hinged to the moving member 122 and the first locking member 131, where the first connecting member 133 is configured to drive the first locking member 131 to rotate when the moving member 122 moves. The first connector 133 may have a rod shape, and the first connector 133 may have a length of 280mm and a width of 60mm.
The fixing member 132 is detachably coupled to the sleeve 123, thereby facilitating the overall disassembly of the fixing member 132, the first locking member 131, the first coupling member 133, and the moving member 122. The fixing member 132 may be a triangle, and a circular hole is formed at the center of the triangle, and is used for being connected with the sleeve 123. The three sides of the triangle are 100mm long, the thickness of the triangle can be 3mm, and the diameter of the central round hole of the triangle is 50mm.
As shown in fig. 2, in some embodiments, first locking member 131 includes a first connecting arm 1311 and a first gear shaping 1312. The first link arm 1311 is hinged to the fixed member 132 and is hinged to the first link member 133. The thickness of the first connecting arm 1311 may be set according to the actual stress requirements. The first gear shaping 1312 is disposed on the first connecting arm 1311, and the tooth tip of the first gear shaping 1312 faces away from the outer surface of the retaining wall sleeve 140. Providing first gear shaping 1312 facilitates easier insertion into retaining wall sleeve 140.
In some embodiments, the number of the first locking members 131 is three, the number of the first connecting members 133 is correspondingly three, and the three first locking members 131 are uniformly arranged around the fixing member 132. That is, the included angle between the three first locking members 131 is 120 °, and by setting the three first locking members 131, a better supporting force can be provided in each direction, and the stress in each direction is uniform.
To secure the strength of the first locking member 131, the first locking member 131 has a wide width, and one fixing member 132 has a limited number of first locking members 131 which can be hinged, for example, one fixing member 132 is hinged with at most three first locking members 131.
As shown in fig. 4, in some embodiments, the locking mechanism 130 further includes a second locking member 134 and a second connecting member 135. The second locking member 134 and the first locking member 131 may be arranged in a staggered manner, and in particular, the second locking member 134 may be disposed between the two first locking members 131. Similarly, the second connector 135 may be disposed between the two first connectors 133. The two ends of the second connecting member 135 are respectively hinged to the moving member 122 and the second locking member 134. I.e., the second link 135 is consistent with the movement pattern of the first link 133. When the moving member 122 moves, the first locking member 131 and the second locking member 134 simultaneously operate. The second locking member 134 is hinged with the securing member 132 such that the second locking member 134 is further from the cover 110 than the first locking member 131. So set up, not only can increase the firm degree between drilling plugging device 100 and the borehole wall, can make second retaining member 134 and first retaining member 131 imbed the different positions of soil layer respectively moreover, avoid the texture of partial soil layer loose, influence the riveting power of embedding.
In some embodiments, the second locking member 134 includes a second connecting arm and a second gear shaping, where the second connecting arm and the second gear shaping may refer to the first connecting arm 1311 and the first gear shaping 1312, and it should be noted that, an angle of orientation of a tooth tip of the second gear shaping and an angle of orientation of a tooth tip of the first gear shaping 1312 may be different, for example, when the first locking member 131 and the second locking member 134 are both embedded in the hole wall, the tooth tip of the first gear shaping 1312 is oriented obliquely above, and the tooth tip of the second gear shaping is oriented obliquely below, so that the first gear shaping 1312 and the second gear shaping bear an upward and downward external force, respectively, and the first locking member 131 and the second locking member 134 are more firmly embedded in the hole wall.
In some embodiments, the borehole plugging apparatus 100 further comprises a casing extension and a screw extension. The sleeve extension piece is detachably connected with the sleeve 123, so that the length of the sleeve 123 can be extended, and the positions of the first locking piece 131 and the second locking piece 134 on the hole wall soil layer can be adjusted to adapt to different drilling depths. Correspondingly, in order to cooperate with the position of the first locking member 131 to be adjustable, the screw extension member is detachably connected with the screw 121, so that the length of the screw 121 can be extended, and the position of the moving member 122 can be adjusted to adapt to different drilling depths.
In some embodiments, the borehole plugging apparatus 100 further includes a sealing ring disposed on a periphery of the protective cover 110 or on a lower surface of the protective cover 110. The sealing ring can prevent rainwater or other fluid from entering the drill hole and reduce noise generated by vibration of the protecting cover 110 and the ground.
In some embodiments, the surface of the cover 110 facing away from the locking mechanism 130 is provided with stripes for increasing the coefficient of friction.
In some embodiments, the edge of the protecting cover 110 is thinner gradually than the middle position, that is, the thickness of the edge of the protecting cover 110 is smaller than that of the middle position, the edge of the protecting cover 110 is as flush as possible with the bottom surface, and the vehicle is gradually impacted by the edge of the protecting cover 110 when driving over the protecting cover 110, so that the impact force of the protecting cover 110 is reduced, that is, the safety of the vehicle and the protecting cover 100 is improved, and the protecting cover has better effect on hardened ground. Meanwhile, the upper surface of the protective cover 110 may be covered with a rubber layer, which not only increases friction force, but also further reduces impact applied to the vehicle when the vehicle passes through the protective cover 110, and the protective cover receives impact force due to elasticity of the rubber layer.
In some embodiments, the borehole plugging apparatus 100 further includes a first gear, a second gear, and a rotating rod, the first gear is disposed on the screw 121, the rotating rod is rotatably disposed on the protecting cover 110, and the second gear is disposed on the rotating rod, the second gear is engaged with the first gear, and the second gear is smaller than the first gear. When the rotating rod rotates, the second gear drives the first gear to rotate, and the first gear plays a role in amplifying torque, so that the rotating rod can rotate more easily.
The drilling plugging device 100 provided by the embodiment of the application has the characteristics of low manufacturing cost, convenience in carrying, convenience in operation, reusability, high safety performance and the like. For deeper drilling with long construction period, the drilling plugging device 100 is only required to be placed in the drilling, and the equipment is taken out when secondary construction is performed, so that construction can be continued. Through practical application tests, the drilling plugging device 100 is arranged on an urban road with the speed limited by 60-80km/h for 7 days, and the embedding and covering capacity of the device is still stable as before after rolling of different vehicles.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present application and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (8)
1. A borehole plugging device, comprising:
the protective cover is used for covering the drilling hole, the edge of the protective cover is gradually thinner than the middle position, and the upper surface of the protective cover is covered with a rubber layer;
the driving mechanism is arranged on the protecting cover and comprises a screw rod and a moving piece, a second through hole for rotating the screw rod is formed in the protecting cover corresponding to the screw rod, and the moving piece is in threaded connection with the screw rod;
the locking mechanism comprises a first locking piece and a first connecting piece, wherein two ends of the first connecting piece are respectively hinged to the moving piece and the first locking piece, and the first connecting piece is used for driving the first locking piece to rotate when the moving piece moves;
the wall protection sleeve is connected with the protecting cover, a first through hole is formed in the wall of the wall protection sleeve, the size of the first through hole is consistent with that of the first locking piece, the first locking piece is in an unfolding state and a shrinkage state, in the unfolding state, the first locking piece penetrates through the first through hole and is embedded into the wall of the drilling hole, in the shrinkage state, the first locking piece is contained in the wall protection sleeve, and the first locking piece is flush with the outer wall surface of the wall protection sleeve;
the first locking piece comprises a first connecting arm and a first gear shaping, and the first gear shaping is arranged on the first connecting arm;
the locking mechanism further comprises a second locking piece and a second connecting piece, two ends of the second connecting piece are respectively hinged to the moving piece and the second locking piece, and the second locking piece is far away from the protecting cover compared with the first locking piece;
the second locking piece comprises a second connecting arm and a second gear shaping, the tooth tip of the first gear shaping faces obliquely upwards, and the tooth tip of the second gear shaping faces obliquely downwards.
2. The borehole plugging device of claim 1 wherein said drive mechanism further comprises:
the sleeve is connected with the protecting cover and is arranged around the screw rod; a kind of electronic device with high-pressure air-conditioning system
The limiting piece is arranged between the sleeve and the screw rod and used for restraining the screw rod to move along the axial direction.
3. The borehole plugging device of claim 2 wherein said locking mechanism further comprises:
and the fixing piece is detachably connected with the sleeve and hinged with the first locking piece.
4. The borehole plugging device according to claim 3 wherein said first connecting arm is hinged to said fixed member and is hinged to said first connecting member.
5. The borehole plugging device according to claim 3, wherein the number of said first locking members is three, the number of said first connecting members is correspondingly three, and three of said first locking members are uniformly disposed around said fixing member.
6. The borehole plugging device of claim 2, further comprising:
a sleeve extension piece detachably connected with the sleeve; a kind of electronic device with high-pressure air-conditioning system
And the screw rod extension piece is detachably connected with the screw rod.
7. The borehole plugging device of claim 1 further comprising a seal disposed at an edge of the protective cover.
8. The borehole plugging device according to any one of claims 1 to 7 wherein a surface of said cover facing away from said locking mechanism is provided with stripes for increasing the coefficient of friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166858.6A CN115405250B (en) | 2022-09-23 | 2022-09-23 | Drilling plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166858.6A CN115405250B (en) | 2022-09-23 | 2022-09-23 | Drilling plugging device |
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| Publication Number | Publication Date |
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| CN115405250A CN115405250A (en) | 2022-11-29 |
| CN115405250B true CN115405250B (en) | 2023-12-15 |
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| CN202211166858.6A Active CN115405250B (en) | 2022-09-23 | 2022-09-23 | Drilling plugging device |
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| CN217027042U (en) * | 2022-03-24 | 2022-07-22 | 济南海河建设项目管理有限公司 | Major diameter stake hole dropproof device |
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