CN116464411B - Geological drilling is with preventing boring coring device that falls - Google Patents
Geological drilling is with preventing boring coring device that falls Download PDFInfo
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- CN116464411B CN116464411B CN202310511668.1A CN202310511668A CN116464411B CN 116464411 B CN116464411 B CN 116464411B CN 202310511668 A CN202310511668 A CN 202310511668A CN 116464411 B CN116464411 B CN 116464411B
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 5
- 230000000670 limiting effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 244000309464 bull Species 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an anti-drop coring device for geological drilling, which relates to the technical field of geological drilling and comprises a drill rod and a coring pipe, wherein the surface of the drill rod is fixedly connected with a mounting box, the coring pipe is arranged on the drill rod, four groups of anti-drop components for preventing a core taking pipe from falling off are arranged in the mounting box, the anti-drop components comprise a pressurizing component, the pressurizing component comprises a pressurizing rod and a locking component, the pressurizing rod is obliquely displaced to prevent the core taking pipe from falling off due to emergency, the locking component comprises a locking spring, the spatial position of the pressurizing rod after displacement is locked through the arrangement of the locking spring, so that the core taking pipe is further prevented from falling off, the anti-drop component also comprises an effective component, and the limiting of the core taking pipe is further improved through the cooperation of the effective component and the pressurizing rod in the pressurizing component.
Description
Technical Field
The invention relates to the technical field of geological drilling, in particular to an anti-drop coring device for geological drilling.
Background
Geological drilling refers to obtaining rock cores below the earth surface by using certain drilling mechanical equipment and technology, and is an important technical means in geological exploration for reliably evaluating geological and mineral resource parameters, wherein the geological core drilling technology relates to various industrial departments such as earth mine, metallurgy, coal, color, nuclear industry, chemical industry, building materials and the like, and comprises the technical aspects of drilling engineering design, drilling method, drilling equipment and the like.
However, as the drilling depth is continuously increased, the torque borne by the core taking pipe is gradually increased, once the torque of the core taking pipe exceeds the strength borne by the material of the core taking pipe, the connection part of the core taking pipe and the drill rod is damaged, the core taking pipe is directly separated from the drill rod when the damage is serious, the phenomenon of drill falling is caused, the drilling progress and the pore-forming quality are greatly influenced, the exploration material is wasted, the construction progress is influenced, and the construction difficulty is improved for engineering.
Therefore, it is important to have a core chip device for geological core drilling, which has an anti-falling function, is beneficial to multiple fixation and anti-falling.
Disclosure of Invention
The invention aims to provide an anti-drop coring device for geological drilling, which has the effects of preventing a core taking pipe from falling off a drill rod and avoiding the occurrence of drop drilling and solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the anti-drop coring device for geological drilling comprises a drill rod and a coring pipe, wherein the surface of the drill rod is fixedly connected with an installation box, the coring pipe is arranged on the drill rod, and four groups of anti-drop components for preventing the coring pipe from dropping are arranged in the installation box;
the anti-falling component comprises a pressurizing component, wherein the pressurizing component comprises a pressurizing rod, and the pressurizing rod is enabled to perform oblique displacement so as to avoid the situation that the coring pipe falls down due to emergency;
the anti-falling component further comprises a locking component, wherein the locking component comprises a locking spring, and the pressurizing rod is locked at the space position after displacement through the arrangement of the locking spring, so that the condition that the coring pipe falls is further avoided;
the anti-falling component further comprises an effect lifting component, and the limit of the core taking pipe is further improved through the fact that the effect lifting component is matched with the pressurizing rod in the pressurizing component.
Optionally, the pressurizing member includes:
the fixed workpiece is fixedly connected to the top surface of the drill rod, the inner wall of the fixed workpiece is respectively and rotatably connected with a first rotating shaft and a second rotating shaft, shaft arms of the first rotating shaft and the second rotating shaft are respectively and fixedly connected with a first rotating rod group and a second rotating rod group, and the top ends of the first rotating rod group and the second rotating rod group are jointly and rotatably connected with a displacement plate;
the pressurizing rod is fixedly connected to the top surface of the displacement plate, a pushing block is sleeved at the end part of the pressurizing rod, and the pushing block is fixedly connected with the opposite side of the pressurizing rod through a first spring.
Optionally, the locking component includes:
the locking plate is fixedly connected to the end part of the second rotating shaft, a locking rod is hinged to the surface of the locking plate, a sliding plate is fixedly connected to the end part of the locking rod, a locking box is fixedly connected to the top surface of the drill rod, the sliding plate is slidably connected to the inner wall of the locking box, and the surface of the sliding plate is connected with the inner wall of the locking box through a locking spring.
Optionally, the effective component includes:
the first hinge rod, the inner wall rotation of bull stick group first is connected with carries and imitates first, carry the armshaft of effect first with the tip fixed connection of hinge rod first, the tip rotation of hinge rod first is connected and is carried effect second, carry the armshaft fixedly connected with hinge rod second of effect second, the bottom of hinge rod second with the top surface of drilling rod is articulated, carry the armshaft fixedly connected with briquetting of effect second, the material of briquetting is rubber material.
Optionally, the anti-drop device further comprises a transmission part for synchronously operating the four anti-drop parts and a driving part for enabling the transmission part to move.
Optionally, the transmission component includes: the top surface of the drill rod is fixedly connected with four limit rods, the lever arms of the four limit rods are fixedly connected with the inner wall of the installation box, and sliding ports for the four limit rods to pass through respectively and be in sliding connection with the four limit rods are formed in the surface of the displacement frame;
the end parts of the rotating shafts II are fixedly connected with gears, the inner wall of the displacement frame is fixedly connected with four rack rows, and teeth of the gears are meshed with teeth of the rack rows respectively.
Optionally, the driving part includes: the driving box is fixedly connected to the inner wall of the mounting box, the inner wall of the driving box is rotationally connected with a worm, the driving box further comprises a worm wheel meshed with the worm, the inner wall of the driving box is fixedly connected with a motor, and the output end of the motor is fixedly connected with the surface of the worm wheel;
the end part of the worm is fixedly connected with a threaded rod, and a threaded opening for the threaded rod to pass through and be in threaded connection is formed in the surface of the displacement frame.
Optionally, the four fixed workpieces are made of stainless steel, and the four pushing blocks are made of rubber.
Compared with the prior art, the invention has the following beneficial effects:
1. considering that the torque borne by the core taking pipe is gradually increased along with the increasing of the drilling depth, once the torque of the core taking pipe exceeds the strength borne by the material of the core taking pipe, the connection part of the core taking pipe and the drill rod is damaged, and the core taking pipe is directly separated from the drill rod to cause the phenomenon of drill falling when the damage is serious, so that the first rotating rod group, the second rotating rod group and the structures such as the pressurizing rod are matched, the four pushing blocks synchronously displace in the oblique downward direction, and the core taking pipe can be efficiently fixed through the displacement of the four pushing blocks, so that the connection part of the core taking pipe and the drill rod is kept stable;
meanwhile, after the push block is contacted with the surface of the coring pipe, the first rotating rod group still deflects, so that the displacement of the push block can compress the first spring, and meanwhile, the push block can provide a force for the coring pipe in the direction close to the connection part of the coring pipe and the drill rod, and the stability of the connection part of the coring pipe and the drill rod can be further maintained through the force in the direction.
2. Considering that the device is easy to be influenced by external force when in use, the invention can smoothly fix the core taking pipe when the staff driving device finishes fixing the core taking pipe through the cooperation of the locking rod, the locking plate, the sliding plate and other structures, and when the device is in use, the elastic force of the locking spring is overcome if the device is influenced by the external force by the fixed state of the pushing block on the core taking pipe, so that the self-locking effect can be achieved through the arrangement of the locking spring, namely the limit state of the pushing block on the core taking pipe is kept, namely the stability of the connecting part of the core taking pipe and the drill rod is further kept.
3. Meanwhile, considering that the device is easily influenced by external force when in use, the invention ensures that the pressing block applies a fixing force to the coring pipe additionally through the cooperation of the structures of the hinging rod I, the lifting shaft I and the hinging rod II, and is remarkable in that the direction of the fixing force also has the characteristic of slant, thereby further applying a force to the coring pipe in the direction close to the connecting part of the drill rod, and further ensuring that the coring pipe is not easy to separate from the drill rod.
4. According to the invention, a driving mode of the worm wheel and the worm is adopted, the fixing effect of the device can be further improved through the self-locking property of the worm wheel and the worm, and the situation that the position state of the structure is not influenced when the motor is damaged due to the fact that an irresistible factor is encountered in the use process is avoided.
Drawings
FIG. 1 is an isometric view of a construction of the present invention;
FIG. 2 is an isometric view of the invention within a mounting case;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 in accordance with the present invention;
FIG. 4 is a detailed view of a portion of the structure of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view of a second connecting portion of the shaft of the present invention;
FIG. 6 is a cross-sectional view of the connecting portion of the pressurizing rod and the pusher block of the present invention;
FIG. 7 is a cross-sectional view of the lock box of the present invention;
fig. 8 is a cross-sectional view of the drive housing of the present invention.
In the figure: 1. a drill rod; 2. taking a core tube; 3. a mounting box; 4. a pressurizing rod; 5. a locking spring; 6. fixing a workpiece; 7. a first rotating shaft; 8. a second rotating shaft; 9. a first rotating rod group; 10. a second rotating rod group; 11. a displacement plate; 13. a pushing block; 14. a first spring; 15. a locking plate; 16. a locking lever; 17. a slide plate; 18. a lock box; 20. a first hinging rod; 21. an efficiency improving shaft I; 22. a second efficiency lifting shaft; 23. a hinge rod II; 24. briquetting; 25. a displacement frame; 26. a limit rod; 27. a gear; 28. a rack row; 29. a drive box; 30. a worm; 31. a worm wheel; 32. a motor; 33. a threaded rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a geological drilling is with preventing boring coring device, includes drilling rod 1 and coring pipe 2, and the fixed surface of drilling rod 1 is connected with install bin 3, and core pipe 2 sets up on drilling rod 1, is provided with four sets of anti-drop parts that prevent core pipe 2 from droing in the install bin 3.
More specifically, in this embodiment, through the setting of four sets of anti-drop parts of install bin 3, can effectually prevent to get core pipe 2 and drop from drilling rod 1 in the use, avoid falling the emergence of boring the condition, avoid influencing the construction progress, avoid increasing engineering exploration cost.
It is noted that the drop preventing member includes a pressurizing member including a pressurizing rod 4, and the pressurizing rod 4 is obliquely displaced to prevent the drop of the core taker tube 2 due to an emergency;
the anti-falling component further comprises a locking component, the locking component comprises a locking spring 5, and the pressurizing rod 4 is locked at the space position after displacement through the arrangement of the locking spring 5, so that the situation that the core taking pipe 2 falls down is further avoided.
More specifically, the anti-falling components are four groups and are arranged in an annular array, one anti-falling component is described, the pressurizing rod 4 is obliquely displaced through the pressurizing component on the anti-falling component, and the oblique displacement direction of the pressurizing rod 4 is the direction close to the connecting part of the core taking pipe 2 and the drill rod 1, so that the core taking pipe 2 can be fixed through the displacement of the four pressurizing rods 4 in the direction, the core taking pipe 2 can be kept in a stable state, the situation that once the torque of the core taking pipe 2 exceeds the strength borne by the material in the use process, the core taking pipe 2 is separated from the drill rod 1 is avoided, and when the core taking pipe 2 is fixed in the oblique displacement process, a force in the direction close to the drill rod 1 can be applied to the core taking pipe 2, and the stability of the connecting part of the core taking pipe 2 and the drill rod 1 can be further maintained.
The anti-falling component also comprises an effective component, and the limit of the coring pipe 2 is further improved by the cooperation of the effective component and the pressurizing rod 4 in the pressurizing component.
More specifically, through the setting of the effective component for it cooperates with the slant displacement of the pressurization pole 4 in the pressurization component, thereby further improves the fixed effect to coring pipe 2, makes coring pipe 2 be difficult to drop from drilling rod 1.
Embodiment II, based on the above embodiment:
referring to fig. 2, 3, 4, 5 and 6, the following disclosure is made on the pressing member in the first embodiment, where the pressing member includes: the fixed workpiece 6, fixed workpiece 6 fixed connection is at the top surface of drilling rod 1, and the inner wall of fixed workpiece 6 rotates respectively and is connected with pivot one 7 and pivot two 8, and pivot one 7 and the arm of pivot two 8 are fixedly connected with bull stick group one 9 and bull stick group two 10 respectively, and bull stick group one 9 rotates jointly with the top of bull stick group two 10 and is connected with displacement board 11.
More specifically, in the present embodiment: through rotating the second rotating shaft 8 on the fixed workpiece 6, the second rotating rod group 10 can deflect by taking the second rotating shaft 8 as the center of a circle, at the moment, the deflection direction of the second rotating rod group 10 is the direction close to the connecting part of the core taking pipe 2 and the drill rod 1, and the displacement plate 11 can be synchronously driven to displace through the deflection of the second rotating rod group 10, at the moment, the displacement plate 11 makes translation in the oblique downward direction under the limiting effect of the first rotating rod group 9, and the first rotating rod group 9 and the second rotating rod group 10 deflect synchronously in the process.
It is noted that the pressurizing rod 4 is fixedly connected to the top surface of the displacement plate 11, the end portion of the pressurizing rod 4 is sleeved with a push block 13, and the push block 13 is fixedly connected to the opposite side of the pressurizing rod 4 through a first spring 14.
More specifically, the pressurizing rod 4 can be driven to perform oblique downward translation through the oblique downward translation performed by the displacement plate 11, and the pushing block 13 can be driven to perform oblique downward displacement through the oblique downward translation performed by the pressurizing rod 4, and the coring pipe 2 can be efficiently fixed through the displacement of the pushing block 13 in four directions, so that the stability of the connecting part of the coring pipe 2 and the drill rod 1 is maintained.
It should be noted that after the push block 13 contacts the surface of the core tube 2, the first rotating rod group 9 is still deflected, and the surface of the push block 13 is already in contact with the surface of the core tube 2, so that the displacement of the push block 13 will compress the first spring 14, and at the same time, the push block 13 will provide a force for the core tube 2 in a direction close to the connection position of the core tube 2 and the drill rod 1, and the force in this direction can further keep the connection position of the core tube 2 and the drill rod 1 stable.
Embodiment III, based on the above embodiment:
referring to fig. 2, 3, 4, 5 and 7, a locking member in a first embodiment is disclosed as follows, the locking member includes: the locking plate 15, locking plate 15 fixed connection is in the tip of pivot two 8, and the surface of locking plate 15 articulates there is locking lever 16, and locking lever 16's tip fixedly connected with slide 17, the top surface fixedly connected with locking box 18 of drilling rod 1, slide 17 sliding connection is in the inner wall of locking box 18, and the surface of slide 17 links to each other through locking spring 5 with the inner wall of locking box 18.
More specifically, in this embodiment, during the process of deflecting the second rotating shaft 8, the locking plate 15 is synchronously driven to deflect, at this time, the locking rod 16 is displaced by the deflection of the locking plate 15, and the sliding plate 17 can be pushed to slide along the inner wall of the locking box 18 by the displacement of the locking rod 16, at this time, the locking spring 5 is compressed, and when the pushing block 13 completes the fixing of the core taking tube 2, at this time, the hinge point of the locking rod 16 and the locking plate 15 is displaced from one side to the other side of the locking plate 15, and the locking spring 5 is released from the compression state, that is, during the fixing of the core taking tube 2, a process of overcoming the elastic force of the locking spring 5 is needed, so that when the worker completes the fixing of the core taking tube 2 in the driving device, the fixing state of the core taking tube 2 is maintained by the device due to the existence of the locking spring 5, and, at this time, the fixing state of the core taking tube 2 by the pushing block 13 is influenced by an external force, and the elastic force of the locking spring 5 is also needed to overcome when the device is used.
Embodiment IV, based on the above embodiment:
referring to fig. 2, 3 and 4, the following disclosure is made on the effective component in the first embodiment, where the effective component includes: the inner wall rotation of articulated pole one 20, bull stick group one 9 is connected with and carries effect axle one 21, carries the axle arm of effect axle one 21 and the tip fixed connection of articulated pole one 20, and the tip rotation of articulated pole one 20 is connected and is carried effect axle two 22, carries the axle arm fixedly connected with articulated pole two 23 of effect axle two 22, and the bottom of articulated pole two 23 articulates with the top surface of drilling rod 1, carries the axle arm fixedly connected with briquetting 24 of effect axle two 22, and the material of briquetting 24 is rubber material.
More specifically, in this embodiment, the first lifting shaft 21 is synchronously driven to displace during the deflection of the first rotating rod group 9, and the first hinging rod 20 is synchronously pushed to displace during the displacement of the first lifting shaft 21, and the first hinging rod 20 is displaced, so that the second lifting shaft 22 is synchronously displaced by matching with the second hinging rod 23, and the direction of the displacement is close to the direction of the core taking pipe 2, and the horizontal height of the displacement is gradually lowered, so that the pressing block 24 can be synchronously driven to displace by the displacement of the second lifting shaft 22, and a fixing force can be additionally applied to the core taking pipe 2 by the displacement of the pressing block 24, and meanwhile, the fixing force has an oblique characteristic, so that a force close to the connecting position of the drill rod 1 can be further applied to the core taking pipe 2, and the core taking pipe 2 is not easily separated from the drill rod 1;
by the pressing block 24 made of rubber material, the pressing block 24 can not damage the surface of the core taking pipe 2 when contacting with the core taking pipe 2.
Fifth embodiment, based on the above embodiment:
referring to fig. 2, 3, 4, 5 and 8, the following additions are made to the components in the first embodiment: the device also comprises a transmission part for synchronously operating the four anti-falling parts and a driving part for enabling the transmission part to move.
More specifically, in this embodiment, through the arrangement of the driving component and the conventional component, the operator can start the driving component first, so that the transmission component operates, and through the operation of the transmission component, the four anti-falling components can operate, that is, the four pushing blocks 13 synchronously perform oblique displacement, and synchronously perform fixing and limiting on the coring pipe 2.
Embodiment six, based on the above embodiment:
referring to fig. 2, 3, 4, 5 and 8, the following disclosure is made on a transmission component in the fifth embodiment, where the transmission component includes: the top surface of the drill rod 1 is fixedly connected with four limiting rods 26, the lever arms of the four limiting rods 26 are fixedly connected with the inner wall of the installation box 3, and sliding ports for the four limiting rods 26 to pass through respectively and be in sliding connection with are formed in the surface of the displacement frame 25;
the end parts of the second rotating shafts 8 are fixedly connected with gears 27, the inner wall of the displacement frame 25 is fixedly connected with four rack rows 28, and teeth of the four gears 27 are meshed with teeth of the four rack rows 28 respectively.
More specifically, in this embodiment, by moving the displacement frame 25 upward, the displacement frame 25 is displaced upward along the lever arms of the four limiting levers 26, and by the displacement of the displacement frame 25, the four rack rows 28 can be displaced synchronously, and by the synchronous displacement of the four rack rows 28, the four gears 27 can be deflected, and by using the single gear 27 as an example, the rotation of the gears 27 can deflect the second rotating shaft 8, and by the deflection generated by the second rotating shaft 8, the second rotating rod set 10 can deflect around the second rotating shaft 8.
Embodiment seven, based on the above embodiment:
referring to fig. 2 and 8, the following disclosure is made on a driving component in the fifth embodiment, where the driving component includes: the driving box 29, the inner wall at the installation case 3 of driving box 29 fixed connection, the inner wall of driving box 29 rotates and is connected with worm 30, still includes worm wheel 31 with worm 30 engaged with, the inner wall fixedly connected with motor 32 of driving box 29, the output and the fixed surface connection of worm wheel 31 of motor 32.
More specifically, in the present embodiment, the worm wheel 31 is rotated by activating the motor 32, and the worm 30 is rotated by rotating the worm wheel 31.
Meanwhile, the end part of the worm 30 is fixedly connected with a threaded rod 33, and a threaded hole for the threaded rod 33 to pass through and be in threaded connection with is formed in the surface of the displacement frame 25.
More specifically, the threaded rod 33 can be rotated synchronously by the rotation of the worm 30, the displacement frame 25 can be displaced upwards by the rotation of the threaded rod 33, and the displacement frame 25 is limited by the four limiting rods 26 in the displacement process.
Embodiment eight, based on the above embodiment:
referring to fig. 2, 3 and 4, the following additions are made to the components in the first embodiment: the four fixed workpieces 6 are made of stainless steel, and the four pushing blocks 13 are made of rubber.
More specifically, in the present embodiment, the structural stability of the device is improved by the fixed work piece 6 made of stainless steel, while the weight is reduced, and the pushing block 13 made of rubber makes the pushing block 13 not to damage the core tube 2 when the restraining force is applied to the core tube 2.
Working principle: when the anti-drop coring device for geological drilling is used, an exploratory worker firstly starts the motor 32 to enable the displacement plate 11 to move downwards in an inclined mode, and further enable the pushing block 13 to move downwards in an inclined mode, and through the displacement of the pushing block 13 in four directions, the coring pipe 2 can be efficiently fixed, and the stability of the connecting position of the coring pipe 2 and the drill rod 1 is kept;
meanwhile, through the arrangement of the locking spring 5, when a worker finishes the fixation of the core taking pipe 2 in the driving device, the fixation state of the core taking pipe 2 is kept, and the fixation state of the pushing block 13 on the core taking pipe 2 is also needed to overcome the elastic force of the locking spring 5 when the device is influenced by external force in the use process, so that the locking effect can be achieved;
simultaneously, the horizontal height gradually descends through the pressing block 24 and gradually moves close to the core taking pipe 2, so that a fixing force is additionally applied to the core taking pipe 2, and meanwhile, the direction of the fixing force also has the characteristic of slant, so that a force close to the connecting position direction of the drill rod 1 can be further applied to the core taking pipe 2, and the core taking pipe 2 is further not easy to separate from the drill rod 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a geological drilling is with preventing boring coring device, includes drilling rod (1) and coring pipe (2), its characterized in that: the surface of the drill rod (1) is fixedly connected with an installation box (3), the coring pipe (2) is arranged on the drill rod (1), and four groups of anti-falling components for preventing the coring pipe (2) from falling off are arranged in the installation box (3);
the anti-falling component comprises a pressurizing component, the pressurizing component comprises a pressurizing rod (4), and the pressurizing rod (4) is obliquely displaced so as to avoid the situation that the coring pipe (2) falls off due to emergency;
the anti-falling component further comprises a locking component, the locking component comprises a locking spring (5), and the pressurizing rod (4) is locked in the spatial position after being displaced through the arrangement of the locking spring (5);
the anti-falling component further comprises an effective component, and the effective component is matched with the pressurizing rod (4) in the pressurizing component to further limit the coring pipe (2);
the pressurizing member includes:
the fixed workpiece (6), the fixed workpiece (6) is fixedly connected to the top surface of the drill rod (1), a first rotating shaft (7) and a second rotating shaft (8) are respectively and rotatably connected to the inner wall of the fixed workpiece (6), a first rotating rod group (9) and a second rotating rod group (10) are respectively and fixedly connected to the shaft arms of the first rotating shaft (7) and the second rotating shaft (8), and a displacement plate (11) is jointly and rotatably connected to the top ends of the first rotating rod group (9) and the second rotating rod group (10);
the pressurizing rod (4) is fixedly connected to the top surface of the displacement plate (11), a pushing block (13) is sleeved at the end part of the pressurizing rod (4), and the pushing block (13) is fixedly connected with the opposite side of the pressurizing rod (4) through a first spring (14);
the locking member includes:
the locking plate (15), the locking plate (15) is fixedly connected to the end part of the second rotating shaft (8), a locking rod (16) is hinged to the surface of the locking plate (15), a sliding plate (17) is fixedly connected to the end part of the locking rod (16), a locking box (18) is fixedly connected to the top surface of the drill rod (1), the sliding plate (17) is slidingly connected to the inner wall of the locking box (18), and the surface of the sliding plate (17) is connected with the inner wall of the locking box (18) through the locking spring (5);
the effective component comprises:
the novel lifting device comprises a first hinging rod (20), wherein an effective shaft (21) is connected to the inner wall of a first rotating rod group (9) in a rotating mode, a shaft arm of the effective shaft (21) is fixedly connected with the end portion of the first hinging rod (20), a second hinging rod (22) is connected to the end portion of the first hinging rod (20) in a rotating mode, a second hinging rod (23) is fixedly connected to the shaft arm of the second hinging rod (22), the bottom end of the second hinging rod (23) is hinged to the top surface of the drill rod (1), a pressing block (24) is fixedly connected to the shaft arm of the second hinging rod (22), and the pressing block (24) is made of rubber materials.
2. A drill-down prevention coring device for geological drilling as set forth in claim 1, wherein: the anti-drop device also comprises a transmission part for enabling the four anti-drop parts to synchronously operate and a driving part for enabling the transmission part to move.
3. A drill-down prevention coring device for geological drilling as set forth in claim 2, wherein: the transmission member includes:
the displacement frame (25), the top surface fixedly connected with four gag lever posts (26) of drilling rod (1), four the lever arm of gag lever post (26) all with the inner wall fixed connection of install bin (3), the slide opening that supplies four gag lever post (26) pass respectively and sliding connection with it has been seted up on the surface of displacement frame (25).
4. A drill-down prevention coring device for geological drilling as set forth in claim 3, wherein: the end parts of the four rotating shafts II (8) are fixedly connected with gears (27), the inner wall of the displacement frame (25) is fixedly connected with four rack rows (28), and teeth of the four gears (27) are meshed with teeth of the four rack rows (28) respectively.
5. A drill-down prevention coring device for geological drilling as set forth in claim 4, wherein: the driving part includes:
the driving box (29), the driving box (29) is fixedly connected to the inner wall of the installation box (3), the inner wall of the driving box (29) is rotationally connected with a worm (30), the driving box further comprises a worm wheel (31) meshed with the worm (30), the inner wall of the driving box (29) is fixedly connected with a motor (32), and the output end of the motor (32) is fixedly connected with the surface of the worm wheel (31);
the end part of the worm (30) is fixedly connected with a threaded rod (33), and a threaded opening for the threaded rod (33) to pass through and be in threaded connection is formed in the surface of the displacement frame (25).
6. A drill-down prevention coring device for geological drilling as set forth in claim 1 or 3, wherein: the four fixed workpieces (6) are made of stainless steel, and the four pushing blocks (13) are made of rubber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310511668.1A CN116464411B (en) | 2023-05-09 | 2023-05-09 | Geological drilling is with preventing boring coring device that falls |
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| CN202310511668.1A CN116464411B (en) | 2023-05-09 | 2023-05-09 | Geological drilling is with preventing boring coring device that falls |
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| CN116464411B true CN116464411B (en) | 2024-02-23 |
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| CN116464411A (en) | 2023-07-21 |
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