CN112983288B - Quick lifting device and well reversing drilling machine - Google Patents
Quick lifting device and well reversing drilling machine Download PDFInfo
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- CN112983288B CN112983288B CN202110232003.8A CN202110232003A CN112983288B CN 112983288 B CN112983288 B CN 112983288B CN 202110232003 A CN202110232003 A CN 202110232003A CN 112983288 B CN112983288 B CN 112983288B
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- 238000005553 drilling Methods 0.000 title claims description 42
- 230000003028 elevating effect Effects 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000011010 flushing procedure Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 230000001965 increasing effect Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 239000011229 interlayer Substances 0.000 description 14
- 239000011435 rock Substances 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (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 relates to the technical field of well reversing drills and discloses a quick lifting device and a well reversing drill. This quick elevating gear, through base, electric lift pole, electric lift cover, first son buckle, the setting of first mother buckle and connecting block, reach the effect of dismantling the installation to elevating gear, after using, the accessible dismantles first son buckle and reaches the purpose of dismantling electric lift pole for this elevating gear is in carrying that can be more convenient after using, further improved this elevating gear's result of use.
Description
Technical Field
The invention relates to the technical field of well reversing drills, in particular to a rapid lifting device and a well reversing drill.
Background
The reverse well drilling machine is characterized in that a hydraulic motor is driven by a motor of the drilling machine, a tap is driven by the hydraulic motor, torque is transmitted to a drilling tool system by utilizing hydraulic power, a drill rod body and a drill bit are driven to rotate, a hob on a pilot hole drill bit or a reamer bit purely rolls or slightly slides along a working surface of a rock at a bottom of a well under the action of the weight on the drill, meanwhile, axial pulling and pressure generated by a main engine cylinder also acts on the pilot hole drill bit or the reamer bit through the power head and the drill rod body, so that the hob of the pilot hole drill bit rolls under the action of the weight on the drill to generate impact load, and the hob teeth impact, squeeze and shear the rock to break the rock, so that compared with other reverse well construction methods, when the reverse well drilling machine is constructed, workers do not need to enter the working surface to perform drilling, charging, temporary support and other operations, the workers are all at the upper parts with better environment and safety conditions, the constructor is not damaged by falling rocks, water spraying and harmful gases any more, the occurrence of full accidents is avoided, the working efficiency is high, the construction of the well reversing drilling machine is mechanized continuous operation, the speed is high, the working efficiency is improved by 5-10 times compared with other construction methods, good conditions are created for later construction, the comprehensive benefit is remarkable, the engineering quality is good, the well reversing drilling machine adopts hob mechanical rock breaking, the damage to surrounding rock is small, the well wall is smooth, the expansion and slag sliding, ventilation and drainage are facilitated, the well reversing drilling machine adopts hydraulic transmission control, the operation is simple, the labor intensity of workers is low, the height of a working surface of a drilling machine in a roadway is not lower than 5 m, the width of the drilling machine is not lower than 4 m, the equipment access road can meet the equipment hoisting operation, the continuous supply, the water storage capacity of a construction pool is not lower than 12 cubic, the height of the pool is required to be lower than the construction foundation of the well reversing drilling machine, and the washing liquid flows back into the pool when the operation is convenient, the cyclic utilization, pond bottom mortar is plastered, prevents that the water from running off, and construction basis length, width must be less than 3 meters, and the basis thickness must be less than 1 meter, must excavate hard base rock face before the construction and just can carry out the foundation and pour, otherwise extremely cause the hole that collapses easily, elevating gear refers to the mechanical device that sets up in jack-up platform spud leg and platform main truss junction and enables spud leg and platform to do relative elevating movement.
The existing quick lifting device has the problem that the lifting device is inconvenient to detach and install, and after the use is finished, the lifting device is too heavy, so that the lifting device is not easy to carry, and is difficult to carry, so that the lifting device needs to be changed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a quick lifting device and a reverse well drilling machine, which have the advantages of disassembly and assembly and the like, and solve the problem that the general lifting device is inconvenient to disassemble.
(II) technical scheme
In order to achieve the purpose of disassembling and installing the lifting device, the invention provides the following technical scheme: the utility model provides a quick elevating gear, includes the base, the top fixed mounting of base has electric lift pole, electric lift pole's top fixed mounting has electric lift cover, electric lift cover's top fixed mounting has first son buckle, the top fixed mounting of first son buckle has first female buckle, the front fixed mounting of first female buckle has the connecting block, the front fixed mounting of connecting block has fixing bolt, electric lift pole's top fixed mounting has the backup pad, electric lift cover's inboard fixed mounting has the support frame, the equal fixed mounting in both sides of support frame has the second son buckle, the outer wall fixed mounting of second son buckle has the female buckle of second, the front fixed mounting of support frame has the handle, the top fixed mounting of support frame has driving motor, driving motor's output shaft passes through shaft coupling fixedly connected with pivot, the one end fixed mounting of pivot has the drilling rod.
Preferably, the base is connected with the supporting plate in a lifting manner through the electric lifting rod, and the base and the electric lifting rod are vertically distributed.
Preferably, the number of the electric lifting rods is two, and the two electric lifting rods are symmetrically arranged by the vertical central line symmetry axis of the supporting plate.
Preferably, the electric lifting rod is connected with the supporting plate in a clamping manner through a first sub-buckle, and the first sub-buckle is of a convex structure.
Preferably, the support frame is connected with the electric lifting sleeve in a clamping manner through a second female buckle, and the second female buckle is of a concave structure.
Preferably, the number of the handles is two, and the two handles are symmetrically arranged on the vertical center line symmetry axis of the support frame.
Preferably, the driving motor is movably connected with the drill rod through a rotating shaft, and the rotating shaft and the drill rod are distributed in parallel.
The invention also provides a reverse well drilling machine, which comprises any one of the rapid lifting devices provided by the invention.
(III) beneficial effects
Compared with the prior art, the invention provides a rapid lifting device, which has the following beneficial effects:
1. this quick elevating gear, through base, electric lift pole, electric lift cover, first son buckle, the setting of first mother buckle and connecting block, reach the effect of dismantling the installation to elevating gear, after using, the accessible dismantles first son buckle and reaches the purpose of dismantling electric lift pole for this elevating gear is in carrying that can be more convenient after using, further improved this elevating gear's result of use.
2. This quick elevating gear, through the setting of support frame, second son buckle, the female buckle of second and handle, reach the effect of conveniently installing the support frame, when using, the support frame is installed to the female buckle of accessible installation second on electric lift sheathe in for elevating gear can normal operating, thereby improved this elevating gear's rate of utilization.
3. This quick elevating gear through the setting of driving motor, pivot and drilling rod, reaches the effect of rotating the drilling rod, when using, accessible driving motor drives the pivot, and the pivot drives the drilling rod again and drills to its ground for the drilling rod is when drilling, and is more convenient, and is quick, has improved this elevating gear's result of use.
Drawings
FIG. 1 is a schematic view of the present invention in a front cross-section;
FIG. 2 is a schematic diagram of the back view structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1A according to the present invention;
FIG. 4 is a schematic view of a friction reducing drill rod according to an embodiment;
FIG. 5 is a schematic view of a partial structure of a friction reducing drill rod according to an embodiment;
FIG. 6 is a schematic diagram of a rotor structure according to an embodiment;
FIG. 7 is a cross-sectional view of a rotor in one embodiment;
fig. 8 is a schematic diagram of a friction reducing drill rod according to an embodiment.
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.
Referring to fig. 1-3, a quick lifting device comprises a base 1, an electric lifting rod 2 is fixedly installed at the top of the base 1, an electric lifting sleeve 3 is fixedly installed at the top end of the electric lifting rod 2, the base 1 is in lifting connection with a supporting plate 8 through the electric lifting rod 2, the base 1 and the electric lifting rods 2 are vertically distributed, the number of the electric lifting rods 2 is two, the two electric lifting rods 2 are symmetrically arranged by using the vertical central line symmetry axis of the supporting plate 8, a first sub-buckle 4 is fixedly installed at the top end of the electric lifting sleeve 3, a first female buckle 5 is fixedly installed at the top of the first sub-buckle 4, the electric lifting rod 2 is connected with the supporting plate 8 in a clamping way through the first sub-buckle 4, the first sub-buckle 4 is of a convex structure, and the arrangement of the base 1, the electric lifting rod 2, the electric lifting sleeve 3, the first sub-buckle 4, the first female buckle 5 and a connecting block 6 is adopted, the effect of dismantling the installation to elevating gear is reached, after using, the purpose of dismantling electric lifter 2 is reached through dismantling first son buckle 4, make this elevating gear after using, can more convenient carry, further improve this elevating gear's result of use, the front fixed mounting of first female buckle 5 has connecting block 6, the front fixed mounting of connecting block 6 has fixing bolt 7, the top fixed mounting of electric lifter 2 has backup pad 8, the inboard fixed mounting of electric lifter cover 3 has support frame 9, the both sides of support frame 9 all fixed mounting has second son buckle 10, the outer wall fixed mounting of second son buckle 10 has the female buckle 11 of second, support frame 9 is connected with electric lifter cover 3 block through the female buckle 11 of second, and the female buckle 11 of second is concave structure, through support frame 9 The setting of second son buckle 10, the female buckle 11 of second and handle 12 reaches the effect of conveniently installing support frame 9, when using, accessible installation second mother buckle 11 installs support frame 9 on electric lift cover 3, make elevating gear normally move, thereby the rate of utilization of this elevating gear has been improved, the front fixed mounting of support frame 9 has handle 12, the quantity of handle 12 is two, and two handles 12 set up with the vertical central line symmetry axisymmetry of support frame 9, the top fixed mounting of support frame 9 has driving motor 13, driving motor 13's output shaft passes through shaft coupling fixedly connected with pivot 14, the one end fixed mounting of pivot 14 has drilling rod 15, driving motor 13 passes through pivot 14 and drilling rod 15 swing joint, and pivot 14 and drilling rod 15 are parallel distribution, through driving motor 13, the setting of pivot 14 and drilling rod 15, reach the effect of rotating drilling rod 15, when using, accessible driving motor 13 drives pivot 14, pivot 14 drives drilling rod 15 again and drills to its ground, when drilling, it is more convenient, and is quick, the result of use of this elevating gear has been improved.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
When the electric lifting device is used, firstly, the lifting device is placed at a proper position, then the electric lifting rod 2 and the electric lifting sleeve 3 are installed by using the first sub-buckle 4, the electric lifting rod can be installed on the supporting plate 8, then the supporting frame 9 is installed on the electric lifting sleeve 3 by installing the second main buckle 11, finally, the driving motor 13 drives the rotating shaft 14, and the rotating shaft 14 drives the drill rod 15 to drill the ground of the drill rod, so that the drill rod 15 is more convenient and rapid in drilling.
In summary, the quick lifting device has the advantages of disassembly and assembly, solves the problem that the common lifting device is inconvenient to disassemble, and accordingly effectively improves the service efficiency of the device.
Example 2
During drilling operation, broken rock fragments are washed by the well washing liquid when the guide hole drills, and the rock fragments are lifted out of the drilled hole by the well washing liquid along the annular space between the drill rod and the hole wall. The friction force between the well flushing liquid and the drill rod is easy to cause unsmooth slag discharge, and is easy to cause disturbance to the drill rod to influence the accuracy of drilling,
to solve the above-mentioned problem, this embodiment provides a reverse well drilling machine, including the quick lifting device that embodiment 1 provided, still include friction-reducing drill rod, refer to fig. 4, friction-reducing drill rod includes: the body of rod 110, the inside of body of rod 110 is equipped with the well-flushing fluid flow path 111 that arranges along body of rod 110 axial, and the surface of body of rod 110 is equipped with the drag reduction structure.
During operation, the well-flushing liquid is output from the lower end of the rod body 110 through the well-flushing liquid flow path 111, and drives rock debris to be lifted out of the drilled hole through the annular space between the rod body 110 and the hole wall, and the outer surface of the rod body 110 is provided with a drag reduction structure, so that friction between the well-flushing liquid and the surface of the rod body 110 is reduced, unsmooth slag discharge is avoided, disturbance of the well-flushing liquid on a friction-reducing drill rod is reduced, and the accuracy of the drilled hole is improved.
Referring to fig. 5, the drag reducing structure is a plurality of grooves 121 provided on the surface of the rod body 110. Specifically, the rod 110 is provided with a plurality of turntables 120, and the surface of the turntables 120 coincides with the surface of the rod 110, and each turntable 120 is provided with a groove 121.
When the well-flushing fluid flows through the grooves 121, turbulence is generated at the grooves 121, and friction between the well-flushing fluid and the rod body 110 is reduced according to a turbulence drag reduction effect.
Different working environments, different rotation speeds of the friction reducing drill rods, different flowing directions of the well flushing liquid relative friction reducing drill rods at different positions of the same friction reducing drill rods from top to bottom, and the angle of the groove 121 is adjusted by rotating the rotary table 120 according to requirements, so that the direction from the large end to the tip of the groove 121 is consistent with the water flow direction, friction is reduced to the greatest extent, and smooth deslagging is ensured.
More specifically, a controller and a driving mechanism for driving the turntable 120 to rotate are also included. The driving mechanism is controlled by the controller so as to drive the turntable 120 to rotate, so that the angle of the turntable 120 can be adjusted at any time during operation.
More specifically, the density of the grooves 121 increases gradually from top to bottom along the surface of the rod body 110. As the depth of the flushing fluid increases, the pressure increases, so that the greater the pressure of the flushing fluid received by the rod body 110 from top to bottom, the greater the friction force, and the greater the friction force is reduced by increasing the density of the grooves 121.
Referring to fig. 6, the groove 121 is in the shape of a water droplet, and the direction from the large end to the tip thereof coincides with the water flow direction. The grooves 121 decrease in width and depth from the large end to the small end, through which the water flow forms turbulence at the grooves 121; by gradually transitioning to the smaller end, the depth gradually decreases, reducing the resistance to water flow.
Referring to fig. 7, an interlayer 122 is disposed at the bottom of the groove 121, a sealed space is formed inside the interlayer 122, gas is filled in the sealed space, and an elastic material is disposed at one side of the interlayer 122 close to the groove 121.
When the pressure intensity of the outer side of the interlayer 122 is smaller than the pressure intensity of the inner side of the interlayer 122, the sealing space in the interlayer 122 is increased, the bottom of the groove 121 is elastically deformed to the outer side of the interlayer 122, and the space in the groove 121 is reduced;
when the pressure outside the interlayer 122 is greater than the pressure inside the interlayer 122, the sealed space in the interlayer 122 is reduced, the bottom of the groove 121 is elastically deformed toward the inside of the interlayer 122, and the space in the groove 121 is increased.
Both the flow rate of the water flow and the depth of the grooves 121 will have an effect on the magnitude of the turbulence. The friction reducing drill rod has different rotating speeds in different working environments, so that the speed of the well flushing liquid relative to the friction reducing drill rod surface is also different. When the flow rate of the water is too fast, excessive turbulence is generated at the groove 121, thereby increasing the flow resistance and causing unsmooth slag discharge. In this embodiment, the interlayer 122 is disposed at the bottom of the groove 121, and when the flow speed of the water is too fast, the pressure outside the interlayer 122 is smaller than the pressure inside the interlayer 122, so that the bottom of the groove 121 is elastically deformed, the depth of the groove 121 is reduced, and the turbulence is reduced, thereby reducing the resistance.
In other embodiments, the turntable 120 is coupled to the rod 110 via bearings and is free to rotate. Since the depth of the large end is greater than the depth of the small end in the groove 121, the resistance to flow of liquid from the large end to the small end is smaller than the resistance to flow from the small end to the large end. Thus by providing a freely rotatable turntable 120, the resistance of the water flow to the grooves 121 can automatically adjust the angle of the grooves 121.
Example 3
Referring to fig. 8, based on embodiment 2, the friction reducing drill rod in this embodiment further includes a stabilizing ring 130, the stabilizing ring 130 is sleeved on the rod 110, and the outer diameter of the stabilizing ring 130 is larger than the outer diameter of the rod 110.
When the well flushing fluid flows through the stabilizing ring 130 from bottom to top, a liquid gasket is formed on the circumferential turbulence of the stabilizing ring 130, when the friction reducing drill rod deflects, one compressed side turbulence of the liquid gasket is close to the hole wall, the liquid pressure is increased, and therefore the friction reducing drill rod is corrected.
Specifically, the arc in the connection portion of the lower surface of the stabilizer ring 130 and the rod body 110 is excessive. The resistance of the stabilizer ring 130 to the well cleanout fluid is reduced by the arcuate transition.
More specifically, the stabilizer ring 130 is a plurality of stabilizer rings and is axially sleeved on the rod 110. A plurality of stabilizer rings 130 are arranged from top to bottom according to the length of the rod body 110.
Example 4
In the present embodiment, the friction reducing drill rod of the back well drilling machine further includes, based on embodiment 2, a water flow direction sensor disposed on the surface of the rod body, the water flow direction sensor sends a water flow direction signal to the controller, and the controller adjusts the rotation angle of the rotary disc 120 through the driving device, so that the direction from the large end to the tip end of the groove 121 is consistent with the water flow direction. The flow direction of the water flow is sensed by the water flow direction sensor, so that the angle of the turntable 120 is automatically adjusted by the controller, and the water flow direction sensor can automatically adapt to different working conditions.
More specifically, the rod 110 is divided into a plurality of sections from top to bottom, each section is provided with a water flow direction sensor, and the controller independently controls the direction of the turntable 120 in the corresponding section according to the water flow direction sensor. During operation, the friction-reducing drill rod rotates to drive the well-flushing liquid to rotate, and the flowing speeds of the well-flushing liquid around the rotary shaft are different from top to bottom, so that the flowing directions of the well-flushing liquid relative to the friction-reducing drill rod are different. The water flow direction sensors are arranged in the subareas, and the angles of the turntables 120 in the opposite areas are independently controlled, so that the angles of the grooves 121 are guaranteed to be the same as the flow direction of the drilling rod with the relatively friction reduction effect of the well flushing liquid to the greatest extent.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (7)
1. A reverse well drilling machine, characterized in that: including quick elevating gear and friction drilling rod falls, quick elevating gear includes base (1) the top fixed mounting of base (1) has electric lift pole (2), the top fixed mounting of electric lift pole (2) has electric lift cover (3), the top fixed mounting of electric lift cover (3) has first sub-buckle (4), the top fixed mounting of first sub-buckle (4) has first female buckle (5), the front fixed mounting of first female buckle (5) has connecting block (6), the front fixed mounting of connecting block (6) has fixing bolt (7), the top fixed mounting of electric lift pole (2) has backup pad (8), the inboard fixed mounting of electric lift cover (3) has support frame (9), the both sides of support frame (9) all fixed mounting have second sub-buckle (10), the outer wall fixed mounting of second sub-buckle (10) has second female buckle (11), the front fixed mounting of support frame (9) has handle (12), the front fixed mounting of motor (13) of support frame (9) has fixing bolt (13), the top fixed mounting of motor (14) has pivot (14) through pivot (14), shaft coupling (14) fixed mounting has pivot (14).
The drill rod (15) is a friction-reducing drill rod, comprising: the device comprises a rod body (110), wherein a well flushing fluid flow path (111) axially arranged along the rod body (110) is arranged in the rod body (110), and a drag reduction structure is arranged on the outer surface of the rod body (110); the drag reduction structure is a plurality of grooves (121) arranged on the surface of the rod body (110), the grooves (121) are in a water drop shape, the direction from the big end to the tip end of the grooves is consistent with the water flow direction, a plurality of turntables (120) are arranged on the rod body (110), the surface of each turntable (120) is overlapped with the surface of the rod body (110), each turntable (120) is provided with one groove (121), the drag reduction structure further comprises a controller and a driving mechanism for driving the turntables (120) to rotate, the driving mechanism is controlled by the controller, so that the turntables (120) are driven to rotate at any time, the angle of the grooves (121) is adjusted by rotating the turntables (120) according to the requirement, and the direction from the big end to the tip end of the grooves (121) is consistent with the water flow direction;
the density of the grooves (121) is gradually increased from top to bottom along the surface of the rod body (110), and when the well flushing liquid flows through the grooves (121), turbulence is generated at the grooves (121), so that the friction force between the well flushing liquid and the rod body (110) is reduced.
2. A reverse well drilling rig according to claim 1, wherein: the base (1) is connected with the supporting plate (8) in a lifting manner through the electric lifting rod (2), and the base (1) and the electric lifting rod (2) are vertically distributed.
3. A reverse well drilling rig according to claim 1, wherein: the number of the electric lifting rods (2) is two, and the two electric lifting rods (2) are symmetrically arranged by the vertical central line symmetry axis of the supporting plate (8).
4. A reverse well drilling rig according to claim 1, wherein: the electric lifting rod (2) is connected with the supporting plate (8) in a clamping way through the first sub-buckle (4), and the first sub-buckle (4) is of a convex structure.
5. A reverse well drilling rig according to claim 1, wherein: the supporting frame (9) is connected with the electric lifting sleeve (3) in a clamping mode through the second female buckle (11), and the second female buckle (11) is of a concave structure.
6. A reverse well drilling rig according to claim 1, wherein: the number of the handles (12) is two, and the two handles (12) are symmetrically arranged on the vertical central line symmetry axis of the support frame (9).
7. A reverse well drilling rig according to claim 1, wherein: the driving motor (13) is movably connected with the drill rod (15) through the rotating shaft (14), and the rotating shaft (14) and the drill rod (15) are distributed in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232003.8A CN112983288B (en) | 2021-03-02 | 2021-03-02 | Quick lifting device and well reversing drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232003.8A CN112983288B (en) | 2021-03-02 | 2021-03-02 | Quick lifting device and well reversing drilling machine |
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| CN112983288A CN112983288A (en) | 2021-06-18 |
| CN112983288B true CN112983288B (en) | 2023-05-05 |
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| CN212105766U (en) * | 2020-04-17 | 2020-12-08 | 上海市地江建筑科技有限公司 | Novel internal drilling machine |
| CN212105784U (en) * | 2020-04-17 | 2020-12-08 | 上海市地江建筑科技有限公司 | Shallow well drilling machine frame |
| CN212154757U (en) * | 2020-04-22 | 2020-12-15 | 延长油田股份有限公司志丹采油厂 | But drilling sampler for petroleum geological exploration of continuity of operation |
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2021
- 2021-03-02 CN CN202110232003.8A patent/CN112983288B/en active Active
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