CN109356536B - Rotary drive for portable drilling - Google Patents
Rotary drive for portable drilling Download PDFInfo
- Publication number
- CN109356536B CN109356536B CN201811475114.6A CN201811475114A CN109356536B CN 109356536 B CN109356536 B CN 109356536B CN 201811475114 A CN201811475114 A CN 201811475114A CN 109356536 B CN109356536 B CN 109356536B
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- China
- Prior art keywords
- locking
- tooth
- gear
- locking tooth
- sliding grooves
- Prior art date
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- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 230000002441 reversible effect Effects 0.000 claims abstract description 5
- 230000005284 excitation Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 17
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000872 buffer Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011535 reaction buffer Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- 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 provides a rotary driving device for portable drilling, which is characterized in that an input gear and a locking gear are rotatably arranged in a shell, and the input gear is meshed with the locking gear; the inner wall of the locking gear is provided with a plurality of cylindrical sliding grooves, locking teeth are movably arranged in the cylindrical sliding grooves, among the locking teeth, a cylinder is movably arranged in the cylindrical sliding grooves, and the side wall of the cylinder is provided with positive locking teeth and negative locking teeth which are used for locking a drill rod during positive rotation or reverse rotation; the end of the input gear is provided with a torque part. Through adopting above structure, can be convenient install on the surface of drilling rod, drive drilling rod is rotatory, and be convenient for install fast, dismantle and maintain, simple structure is durable. The complexity of the drilling equipment can be greatly reduced, and the drilling construction can be completed only by a small agricultural machine, such as a rotary cultivator or a hand tractor, and the like, at a position which can be reached by the small agricultural machine. The drilling efficiency is greatly improved, and the drilling cost is reduced.
Description
Technical Field
The invention relates to the field of portable construction equipment, in particular to a rotary driving device for portable drilling.
Background
In field drilling construction, such as water conservancy facility construction, mineral drilling construction and water source drilling construction, sampling is needed at the inconvenient position of traffic, and the existing drilling machine and other equipment are inconvenient to transport, so that the cost of drilling construction is high and the efficiency is low. No portable drilling construction equipment is currently known. In drilling construction, the problem of rotation driving of the drill rod needs to be solved at first, because the outdoor electric power is inconvenient to obtain, if the rotation driving of the drill rod is realized under the condition of weight limitation, the quick assembly, disassembly and maintenance are convenient, the self-compensation of vulnerable parts can be realized, the fault-free service life is long, the structure is simple and durable, and the existing technical difficulty is large.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotary driving device for portable drilling, which can finish drilling construction at a position with inconvenient traffic and no power supply and drive a drill rod to rotate, thereby greatly reducing the drilling construction cost, improving the drilling efficiency, and has simple structure and long fault-free service time.
In order to solve the technical problems, the invention adopts the following technical scheme: a rotary driving device for portable drilling, an input gear and a locking gear are rotatably arranged in a shell, and the input gear is in meshed connection with the locking gear;
the inner wall of the locking gear is provided with a plurality of cylindrical sliding grooves, locking teeth are movably arranged in the cylindrical sliding grooves, among the locking teeth, a cylinder is movably arranged in the cylindrical sliding grooves, and the side wall of the cylinder is provided with positive locking teeth and negative locking teeth which are used for locking a drill rod during positive rotation or reverse rotation;
the end of the input gear is provided with a torque part.
In a preferred embodiment, friction blocks are provided between the positive locking teeth and the negative locking teeth in the direction of the drill rod.
In the preferred proposal, the friction block is in a strip shape and is embedded in the position between the positive locking tooth and the negative locking tooth,
when the drill rod is installed, the end head of the friction block is contacted with the outer wall of the drill rod.
In the preferred scheme, the distance from the tooth tips of the positive locking teeth and the negative locking teeth to the rotating circle center of the cylinder is larger than the distance from the middle positions of the positive locking teeth and the negative locking teeth to the rotating circle center of the cylinder.
In the preferred scheme, the distance from the tooth tips of the positive locking teeth and the negative locking teeth to the bottom of the cylindrical chute is greater than the distance from the outer wall of the drill rod to the bottom of the cylindrical chute.
In the preferred scheme, the cylindrical sliding grooves are obliquely arranged, the upper ends of the cylindrical sliding grooves are far away from each other, and the lower ends of the cylindrical sliding grooves are near to each other;
the tooth tips of the positive locking tooth and the negative locking tooth are straight lines parallel to the axis.
In the preferred scheme, a first end cover is further arranged, the first end cover is connected with the locking gear through threads, and the first end cover is contacted with one end of the locking tooth at the far end away from the cylindrical chute and used for limiting the axial position of the locking tooth;
the other end of the locking tooth is provided with a spring.
In the preferred scheme, a second end cover is further arranged, the second end cover is connected with the locking gear through threads, and the spring is arranged between the locking gear and the second end cover;
an extension column is arranged at the bottom of the locking tooth and extends into the spring.
In the preferred scheme, the two ends of the locking gear are provided with the step parts, and the step parts are sleeved with the bearing bushes.
In the preferred scheme, a step for installing an excitation device is arranged at the top or bottom of the shell;
the bottom of the slip device is provided with a clamp which is fixedly connected with the drill rod and used for axial limiting;
the excitation device and the slip device are respectively connected with the power device through flexible shafts, and the flexible shafts connected with the excitation device are of stepless speed regulation structures.
The rotary driving device for portable drilling can be conveniently installed on the surface of the drill rod by adopting the structure, drives the drill rod to rotate, is convenient to install, disassemble and maintain quickly, can realize self-compensation of vulnerable parts, has long service life and simple and durable structure, and has no faults. The complexity of the drilling equipment can be greatly reduced, and the drilling construction can be completed only by a small agricultural machine, such as a rotary cultivator or a hand tractor, and the like, at a position which can be reached by the small agricultural machine. The drilling efficiency is greatly improved, and the drilling cost is reduced.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of a slip assembly according to the present invention.
FIG. 2 is a schematic cross-sectional view of the slip assembly of the present invention as it is driven in a clockwise rotation.
FIG. 3 is a schematic cross-sectional view of the slip assembly of the present invention as it is driven in a counter-clockwise rotation.
Fig. 4 is an enlarged partial schematic view at a in fig. 3.
FIG. 5 is a schematic front cross-sectional view of a slip assembly according to the present invention.
Fig. 6 is a schematic structural view of a power plant according to the present invention.
Fig. 7 is a schematic view of the overall structure of an apparatus employing the present invention.
In the figure: drill rod 1, bolt 2, reaction rod 3, handle 31, reaction buffer sleeve 32, upper end cap 321, barrel 322, piston cavity 323, spring 324, piston 325, threaded bore 326, guide sleeve 327, threaded section 328, slip device 4, housing 41, input gear 42, torque section 43, locking gear 44, drive tooth 441, cylindrical chute 442, step 443, bushing 444, first end cap 445, spring 446, second end cap 447, locking tooth 45, cylinder 451, positive locking tooth 452, negative locking tooth 453, friction block 454, excitation device 5, end shield 6, power device 7, first output shaft 71, second output shaft 72, transmission 73, first fixed cone 74, first movable cone 75, second fixed cone 76, second movable cone 77, first lever 78, second lever 79, jackshaft 700, drive belt 70, first flexible shaft 8, second flexible shaft 9, gearbox 10, engine 11.
Detailed Description
As shown in fig. 1-5, a rotary driving device for portable drilling is provided, an input gear 42 and a locking gear 44 are rotatably installed in a housing 41, and the input gear 42 is in meshed connection with the locking gear 44;
a plurality of cylindrical sliding grooves 442 are formed in the inner wall of the locking gear 44, locking teeth 45 are movably mounted in the cylindrical sliding grooves 442, a cylinder 451 is movably mounted in the cylindrical sliding grooves 442, and a positive locking tooth 452 and a negative locking tooth 453 are arranged on the side wall of the cylinder 451 and used for locking the drill rod 1 during positive rotation or reverse rotation;
the torque portion 43 is provided at the end of the input gear 42, and the torque portion 43 is a structure for transmitting torque, such as a square column, a hexagonal column, or a hexagonal hole. By the above structure, by inputting power from the input gear 42, the transmission from the locking gear 44 to the drill rod 1 is realized in a very simple structure, and the operations of mounting, dismounting, forward rotation driving, reverse rotation driving and loosening the drill rod are very convenient, the axial position adjustment is easy, and the device is small in size and convenient to carry.
In a preferred embodiment, as shown in fig. 4, a friction block 454 is provided between the positive locking tooth 452 and the negative locking tooth 453 in the direction of the drill rod 1. With this structure, the friction block 454 can more easily rotate the locking teeth 45, so that the locking teeth 45 can be quickly moved into or out of the working position.
In a preferred embodiment, the friction block 454 is in the form of a strip, embedded in the position between the positive locking tooth 452 and the negative locking tooth 453,
when installed into drill pipe 1, the ends of friction blocks 454 contact the outer wall of drill pipe 1.
In the preferred embodiment, as shown in fig. 3, the distance from the tip of the positive locking tooth 452 and the negative locking tooth 453 to the center of rotation of the cylinder 451 is greater than the distance from the intermediate position of the positive locking tooth 452 and the negative locking tooth 453 to the center of rotation of the cylinder 451. This facilitates the positive locking tooth 452 and the negative locking tooth 453 locking the drill rod 1.
The preferred embodiment is shown in fig. 3, in which the distance from the tips of the positive locking tooth 452 and the negative locking tooth 453 to the bottom of the cylindrical chute 442 is greater than the distance from the outer wall of the drill rod 1 to the bottom of the cylindrical chute 442. This facilitates the positive locking tooth 452 and the negative locking tooth 453 locking the drill rod 1 and are not easily disengaged.
In a preferred embodiment, as shown in fig. 5, the cylindrical sliding grooves 442 are obliquely arranged, and the upper ends of the cylindrical sliding grooves 442 are far apart, and the lower ends thereof are near to each other;
the tips of the positive locking tooth 452 and the negative locking tooth 453 are straight lines parallel to the axis. With this structure, wear of the tips of the positive locking tooth 452 and the negative locking tooth 453 can be compensated by adjusting the position of the locking tooth 45 in the cylindrical chute 442, and the trouble-free operation time can be prolonged.
The preferred embodiment is shown in fig. 5, and a first end cap 445 is provided, wherein the first end cap 445 is in threaded connection with the locking gear 44, and the first end cap 445 is in contact with one end of the locking tooth 45 at a far end from the cylindrical chute 442 for defining the axial position of the locking tooth 45;
at the other end of the locking tooth 45 a spring 324 is provided. With this configuration, the position of the locking tooth 45 in the cylindrical chute 442 can be conveniently adjusted by adjusting the position of the first end cap 445.
Preferably, as shown in fig. 5, a second end cap 447 is further provided, the second end cap 447 is screwed to the locking gear 44, and the spring 324 is disposed between the locking teeth 45 and the second end cap 447;
at the bottom of the locking tooth 45 there is an extension post which projects into the spring 324. With this structure, the replacement and maintenance of the spring 324 is facilitated.
In a preferred embodiment, as shown in fig. 5, stepped portions 443 are provided at both ends of the lock gear 44, and the stepped portions 443 are fitted to the bearing bushes 444. With the structure, the occupied space of the bearing can be reduced, and the bearing bush 444 is adopted to meet the use requirement due to the low rotating speed of the bearing.
As shown in fig. 7, a step for mounting the excitation device 5 is provided at the top or bottom of the casing 41; with this structure, the vibration excitation device 5 can be easily installed, so that the drilling efficiency can be greatly improved.
The bottom of the slip device 4 is provided with a clamp which is fixedly connected with the drill rod 1 and used for axial limiting; with this structure, the excitation force can be transmitted conveniently.
The excitation device 5 and the slip device 4 are respectively connected with the power device 7 through flexible shafts, and the flexible shafts connected with the excitation device 5 are of stepless speed regulation structures. Specifically, in the power device 7, one end of the first output shaft 71 is provided with an input end for connecting with an output shaft of the driving device, and the other end of the first output shaft 71 is connected with the first flexible shaft 8;
the first output shaft 71 is connected with the intermediate shaft 700 through a transmission mechanism 73;
the intermediate shaft 700 is fixedly connected with the first fixed cone pulley 74, the first movable cone pulley 75 is connected with the intermediate shaft 700 in a mode of axially moving and rotating along with the intermediate shaft 700, and the outer wall of the first movable cone pulley 75 is connected with the first deflector rod 78;
the second output shaft 72 is also arranged, the second output shaft 72 is connected with the second flexible shaft 9, and the second flexible shaft 9 is used for connecting the excitation device 5;
the second output shaft 72 is fixedly connected with the second fixed cone pulley 76, the second movable cone pulley 77 is connected with the second output shaft 72 in a mode of axially moving and rotating along with the second output shaft 72, and the outer wall of the second movable cone pulley 77 is connected with the second deflector rod 79;
a drive belt 70 is also provided, the drive belt 70 bypasses the conical surfaces of the first fixed cone pulley 74 and the first movable cone pulley 75 which are oppositely arranged, and the drive belt 70 bypasses the conical surfaces of the second fixed cone pulley 76 and the second movable cone pulley 77 which are oppositely arranged. With the above structure, the first output shaft 71 is used to connect with the slip device 4 through the first flexible shaft 8 to drive the drill rod 1 to rotate. And the second output shaft 72 is used for being connected with the excitation device 5 through the second flexible shaft 9 so as to drive the eccentric block 51 to rotate. By adjusting the first deflector rod 78 and the second deflector rod 79, the transmission belt 70 is positioned at different positions of the conical surface of each cone pulley, so that different transmission ratios are realized, and the rotating speed of the eccentric block 51 is convenient to adjust to be close to the natural frequency of the rock stratum, for example, 50-60 Hz/min. In the embodiment, the fuel engine is completely adopted as an input power source, so that the defect of insufficient electric power energy relay capability in field construction is avoided. The fuel engine in this example can be a diesel engine and a gearbox of a small farm machine. Meanwhile, the small farm machinery can also be used as a tool for transporting equipment under severe traffic conditions.
The following are specific steps for using the device of the present invention:
as shown in fig. 1, the power device 7, the slip device 4, the exciting device 5 and other devices are transported to a construction site, and the power device 7 can be driven by a diesel engine or replaced by the power of a small-sized agricultural machine. And small-sized agricultural machinery, such as rotary cultivator, has strong passing force, and can be used as transportation equipment of mountain transportation vehicles after being provided with the hanging hopper. The anchor rod 2 is driven into the site construction position, the axis of the anchor rod 2 is required to be consistent with the drilling direction, the counterforce buffer sleeve 32 is connected with the tail of the anchor rod 2 in a threaded manner, the counterforce buffer sleeve 32 is connected with the counterforce pull rod 3, and the drill rod 1 is installed. The slip device 4 is installed, and an axial limiting device is installed below the slip device 4. In the embodiment, a clamp is adopted, the clamp is an annular component, the end head is fixed through a bolt, and the clamp is fixedly connected with the drill rod 1 in an interference mode. An excitation device 5 is arranged on the slip device 4. The end baffle 6 is installed, the handle 31 is rotated, and the threaded section 328 on the counter-force pull rod 3 enables the end baffle 6 to compress the drill rod 1. A temporary pile is erected to provide support for the slip assembly 4 to transmit torque.
The output shaft of the agricultural machine is connected to the first output shaft 71 of the power unit 7, and the test run is performed to ensure a satisfactory output. One end of a first flexible shaft 8 and one end of a second flexible shaft 9 are respectively connected with a first output shaft 71 and a second output shaft 72, and the other ends of the first flexible shaft 8 and the second flexible shaft 9 are respectively connected with the slip device 4 and the excitation device 5. The method comprises the steps of filling slurry for cooling and lubricating into a drill rod 1, starting a first flexible shaft 8, enabling a slip device 4 to drive the drill rod 1 to drill 10-20cm, starting a second flexible shaft 9, adjusting a first deflector rod 78 and a second deflector rod 79 to enable the frequency of an excitation device 5 to reach a preset value, driving the excitation device 5 to vibrate at 50-60 Hz/min, replacing bentonite slurry once at intervals, and rotating a handle 31 to enable an end baffle 6 to compress the drill rod 1. Until the drilling construction is completed. As the drill rod 1 drills, the positions of the slip device 4 and the axial limiting device are continuously adjusted. And (3) until the drilling operation is completed, and after the drilling operation reaches a preset depth, the drill rod 1 is lifted out by using a manual or diesel engine driven hydraulic pipe puller, so that the drilling construction operation is completed.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (7)
1. A rotary drive for portable drilling, characterized by: the input gear (42) and the locking gear (44) are rotatably arranged in the shell (41), and the input gear (42) is in meshed connection with the locking gear (44);
the inner wall of the locking gear (44) is provided with a plurality of cylindrical sliding grooves (442), locking teeth (45) are movably arranged in the cylindrical sliding grooves (442), in the locking teeth (45), a cylinder (451) is movably arranged in the cylindrical sliding grooves (442), and the side wall of the cylinder (451) is provided with positive locking teeth (452) and negative locking teeth (453) for locking the drill rod (1) during positive rotation or reverse rotation;
a torque part (43) is arranged at the end of the input gear (42);
a friction block (454) is arranged at the position between the positive locking tooth (452) and the negative locking tooth (453) towards the direction of the drill rod (1);
the friction block (454) is in a strip shape and is embedded in a position between the positive locking tooth (452) and the negative locking tooth (453),
when the drill rod (1) is installed, the end head of the friction block (454) is contacted with the outer wall of the drill rod (1);
the distance from the tooth tips of the positive locking tooth (452) and the negative locking tooth (453) to the rotating circle center of the cylinder (451) is larger than the distance from the middle position of the positive locking tooth (452) and the negative locking tooth (453) to the rotating circle center of the cylinder (451).
2. A rotary drive for portable drilling according to claim 1, characterized in that: the distance from the tooth tips of the positive locking tooth (452) and the negative locking tooth (453) to the bottom of the cylindrical chute (442) is larger than the distance from the outer wall of the drill rod (1) to the bottom of the cylindrical chute (442).
3. A rotary drive for portable drilling according to claim 1, characterized in that: the cylindrical sliding grooves (442) are obliquely arranged, the upper ends of the cylindrical sliding grooves (442) are far away, and the lower ends of the cylindrical sliding grooves are near to each other;
the tips of the positive locking teeth (452) and the negative locking teeth (453) are straight lines parallel to the axis.
4. A rotary driving device for portable drilling according to any one of claims 1-3, characterized in that: the first end cover (445) is connected with the locking gear (44) through threads, and the first end cover (445) is contacted with one end of the locking tooth (45) at the far end away from the cylindrical chute (442) and is used for limiting the axial position of the locking tooth (45);
a spring (324) is provided at the other end of the locking tooth (45).
5. A rotary drive for portable drilling according to claim 4, characterized in that: the second end cover (447) is further arranged, the second end cover (447) is connected with the locking gear (44) through threads, and the spring (324) is arranged between the locking teeth (45) and the second end cover (447);
an extension post is arranged at the bottom of the locking tooth (45) and extends into the spring (324).
6. A rotary drive for portable drilling according to claim 1, characterized in that: the two ends of the locking gear (44) are provided with step parts (443), and the step parts (443) are sleeved with the bearing bushes (444).
7. A rotary drive for portable drilling according to claim 1, characterized in that: the top or the bottom of the shell (41) is provided with a step for installing the excitation device (5);
the bottom of the slip device (4) is provided with a clamp which is fixedly connected with the drill rod (1) and used for axial limiting;
the excitation device (5) and the slip device (4) are respectively connected with the power device (7) through flexible shafts, and the flexible shafts connected with the excitation device (5) are of a stepless speed regulating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475114.6A CN109356536B (en) | 2018-12-04 | 2018-12-04 | Rotary drive for portable drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475114.6A CN109356536B (en) | 2018-12-04 | 2018-12-04 | Rotary drive for portable drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356536A CN109356536A (en) | 2019-02-19 |
| CN109356536B true CN109356536B (en) | 2024-03-26 |
Family
ID=65331118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811475114.6A Active CN109356536B (en) | 2018-12-04 | 2018-12-04 | Rotary drive for portable drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356536B (en) |
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