CN210622733U - Composite drill rod capable of deeply drilling - Google Patents
Composite drill rod capable of deeply drilling Download PDFInfo
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- CN210622733U CN210622733U CN201920381390.XU CN201920381390U CN210622733U CN 210622733 U CN210622733 U CN 210622733U CN 201920381390 U CN201920381390 U CN 201920381390U CN 210622733 U CN210622733 U CN 210622733U
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Abstract
The utility model is suitable for a drilling tool technical field provides a but compound drilling rod of deep drilling, including auger drilling subassembly, coupling assembling and compound drilling subassembly, the auger drilling subassembly includes auger stem, high pressure water inlet runner and high pressure slush pump, high pressure water inlet runner sets up in the inner chamber of auger stem, the output of high pressure slush pump with auger stem's one end fixed connection makes during the drilling process, slush pump to the hydraulic motor send high pressure water, thereby drive the directional bit rotation, thereby realize the effect of deep drilling, utilize the rig to drive the auger stem gyration simultaneously, and exert the weight of boring to the directional bit, and auger stem is in the drilling process simultaneously, and its outside gets the thread groove and can stir the drilling sediment of in-process of boring to cut the pore wall of drilling, thereby improving the smoothness of the hole wall of the drilled hole and enabling the formed drilled hole to be relatively straight.
Description
Technical Field
The utility model belongs to the technical field of the drilling tool, especially, relate to a but compound drilling rod of degree of depth drilling.
Background
The horizontal directional drilling machine is a construction machine for laying various underground utilities (pipelines, cables, etc.) without digging ground surface, and is widely applied to the laying construction of pipelines of water supply, electric power, telecommunication, natural gas, petroleum, etc., and is suitable for the ground conditions of sandy soil, clay, pebble, etc., and most non-hard rock areas in China can be constructed. The working environment temperature is-15 to +45 ℃. The horizontal directional drilling technology is a new construction technology combining the directional drilling technology in the petroleum industry and the traditional pipeline construction method, has the advantages of high construction speed, high construction precision, low cost and the like, and is widely applied to the pipeline laying construction engineering of water supply, coal gas, electric power, telecommunication, natural gas, petroleum and the like.
The drilling track of the directional drilling technology is controllable, the target point can be accurately controlled by the advantages of ultra-long distance construction and the like, but during directional drilling, the motor is guided to drive the directional drill bit to rotate to cut rocks to construct (a drill rod at the back is not rotated) through adjusting the tool face (0-360 degrees), but the motor is driven by water pressure, so that vibration can occur, the drilling cannot be very straight, the resistance is large, the feeding pressure can occur when the drilling depth exceeds 600 meters or even more, the risk of in-hole accidents is increased, and the ultra-long distance drilling construction cannot be effectively completed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a but compound drilling rod of degree of depth drilling aims at solving nevertheless directional drilling rod at present and because the motor leans on water pressure drive, vibrations can appear during the use, leads to drilling can not be very straight, and the resistance is great, can not effectively accomplish the problem of super long distance drilling construction.
The utility model discloses a realize like this, but compound drilling rod of deep drilling, including auger drilling subassembly, coupling assembling and compound drilling subassembly, the auger drilling subassembly includes auger drilling, high-pressure water inlet channel and high-pressure slush pump, the high-pressure water inlet channel is seted up in the inner chamber of auger drilling, the output of high-pressure slush pump with one end fixed connection of auger drilling, and with the high-pressure water inlet channel is linked together, the lateral wall of auger drilling is even equidistant sets up integrated into one piece's thread groove;
the connecting assembly comprises a non-magnetic outer pipe, an upper non-magnetic drill rod and a lower non-magnetic drill rod, the upper non-magnetic drill rod is rotatably connected with the auger stem and is positioned at one end, far away from the high-pressure slurry pump, of the auger stem, the non-magnetic outer pipe is fixedly connected with the upper non-magnetic drill rod and is positioned at one side, far away from the auger stem, of the upper non-magnetic drill rod, and the lower non-magnetic drill rod is fixedly connected with the non-magnetic outer pipe and is positioned at one side, far away from the auger stem, of the non-magnetic outer pipe;
the compound subassembly that creeps into includes the motor sleeve pipe that surges, the motor that surges, motionless outer tube, rotating drive shaft and directional drill, the motor sleeve pipe that surges with down no magnetism drilling rod fixed connection, and be located the one end of no magnetism outer tube is kept away from to no magnetism drilling rod down, the motor that surges with motor sleeve pipe fixed connection surges, and be located the motor sheathed tube inner chamber that surges, motionless outer tube with motor sleeve pipe fixed connection surges, and be located the one end of the lower no magnetism drilling rod that the motor sleeve pipe that surges kept away from, rotating drive shaft with the motor that surges rotates to be connected, and is located the inner chamber of motionless outer tube, rotating drive shaft with motionless outer tube rotates to be connected, directional drill with rotating drive shaft fixed connection, and be located one side of motionless outer tube is kept away from to rotating drive shaft.
The utility model discloses still provide preferentially, go up no magnetism drilling rod and all set up integrated into one piece's second high pressure water inlet channel with the inner chamber of no magnetism drilling rod down, second high pressure water inlet channel with high pressure water inlet channel all communicates with the inner chamber of no magnetism outer tube, down the second high pressure water inlet channel of no magnetism drilling rod inner chamber with the end of intaking of the motor that surges passes through return bend fixed connection.
The utility model discloses still provide preferred, coupling assembling still includes mud along with boring pulse probe, no magnetism outer tube with mud is along with boring pulse probe fixed connection, and is located the inner chamber of no magnetism outer tube.
The utility model discloses still provide preferred, integrated into one piece's thread groove is seted up to auger stem's the even equidistant of lateral wall, the spiral direction of thread groove with directional drill's direction of rotation is opposite.
The utility model discloses still provide preferentially, the immobile outer tube is the slope setting, and with contained angle α between the motor sleeve pipe that surges is 1 ~ 1.25.
The utility model discloses still provide preferred, the output of motor that surges with connect through the universal joint coupling between the rotating transmission shaft, the universal joint coupling is located the inner chamber of motionless outer tube.
The utility model discloses it is preferred still to provide, directional drill's bottom height is not more than the motor drive sleeve's bottom height surges.
The utility model discloses still provide preferred, no magnetism outer tube, go up no magnetism drilling rod and do not have magnetism drilling rod down and all choose high strength steel that magnetic conductivity is less than 1.319 x 10-6h/m for use to make.
The utility model discloses still provide preferred, rotating transmission shaft with connect through the bearing between the motionless outer tube, and be located the mouth of pipe department that the motionless outer tube is close to directional drill one side.
The utility model discloses still provide preferred, the second thread groove that is linked together is all seted up to the lateral wall of no magnetism outer tube, last no magnetism drilling rod and no magnetism drilling rod down.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a but compound drilling rod of degree of depth drilling, through setting up auger stem and directional drill, make and creep into the in-process, the slush pump sends the high pressure water to the motor that surges, thereby drive directional drill rotates, thereby realize the effect that the degree of depth creeps into, utilize the rig to drive the auger stem gyration simultaneously, and apply the weight of boring to directional drill, auger stem is creeping into the in-process simultaneously, its outside gets the thread groove and can creep into the drilling slag of in-process and mix, thereby cut the pore wall of drilling, thereby improve the smoothness of the pore wall of drilling, make fashioned drilling comparatively straight.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the spiral drill rod of the present invention;
fig. 3 is the structure schematic diagram of the non-magnetic outer tube of the present invention.
In the figure: the drilling device comprises a 1-spiral drilling component, 11-spiral drill pipes, 111-thread grooves, 12-high-pressure water inlet flow channels, 13-high-pressure slurry pumps, a 2-connecting component, 21-nonmagnetic outer pipes, 22-mud pulse drilling probe pipes, 23-second thread grooves, 24-upper nonmagnetic drill pipes, 25-lower nonmagnetic drill pipes, 26-second high-pressure water inlet flow channels, a 3-composite drilling component, 31-motor casings, 32-hydraulic motors, 33-stationary outer pipes, 34-rotary transmission shafts, 35-directional drill bits, 36-bent pipes, 37-universal joint couplers and 38-bearings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a composite drill rod capable of drilling deeply comprises a spiral drilling assembly 1, a connecting assembly 2 and a composite drilling assembly 3, wherein the spiral drilling assembly 1 comprises a spiral drill rod 11, a high-pressure water inlet flow passage 12 and a high-pressure mud pump 13, the high-pressure water inlet flow passage 12 is arranged in an inner cavity of the spiral drill rod 11, an output end of the high-pressure mud pump 13 is fixedly connected with one end of the spiral drill rod 11 and communicated with the high-pressure water inlet flow passage 12, and thread grooves 111 which are integrally formed are uniformly and equidistantly formed in the outer side wall of the spiral drill rod 11;
the connecting assembly 2 comprises a non-magnetic outer tube 21, an upper non-magnetic drill rod 24 and a lower non-magnetic drill rod 25, the upper non-magnetic drill rod 24 is rotatably connected with the auger stem 11 and is positioned at one end, far away from the high-pressure slurry pump 13, of the auger stem 11, the non-magnetic outer tube 21 is fixedly connected with the upper non-magnetic drill rod 11 and is positioned at one side, far away from the auger stem 11, of the upper non-magnetic drill rod 11, and the lower non-magnetic drill rod 25 is fixedly connected with the non-magnetic outer tube 21 and is positioned at one side, far away from the auger stem 11, of the non-magnetic outer tube 21;
the composite drilling assembly 3 comprises a hydraulic motor casing 31, a hydraulic motor 32, a stationary outer tube 33, a rotary transmission shaft 34 and a directional drill bit 35, the hydraulic motor casing 31 is fixedly connected with the lower nonmagnetic drill rod 25, and is positioned at one end of the lower non-magnetic drill rod 25 far away from the non-magnetic outer tube 21, the hydraulic motor 32 is fixedly connected with the hydraulic motor sleeve 31, and is positioned in the inner cavity of the hydraulic motor sleeve 31, the stationary outer tube 33 is fixedly connected with the hydraulic motor sleeve 31, and is positioned at one end of the lower non-magnetic drill rod 25 far away from the hydraulic motor casing 31, the rotary transmission shaft 34 is rotationally connected with the hydraulic motor 32, and is positioned in the inner cavity of the fixed outer tube 33, the rotary transmission shaft 34 is rotationally connected with the fixed outer tube 33, the pilot bit 35 is fixedly connected to the rotary transmission shaft 34 and is located on a side of the rotary transmission shaft 34 away from the stationary outer tube 33.
In the embodiment, by arranging the auger stem 11 and the directional drill 35, in the drilling process, the mud pump 13 sends high-pressure water to the hydraulic motor 13, so that the directional drill 35 is driven to rotate, the auger stem 11 is driven to rotate by the drilling machine, and the drill pressure is applied to the directional drill 35, so that the deep drilling effect is realized, and meanwhile, in the drilling process of the auger stem 11, the thread groove 111 on the outer side of the auger stem can stir and guide drilling slag in the drilling process, so that the slag discharge speed in the drilling process is improved, the hole wall of a drilled hole can be cut, and the smoothness of the hole wall of the drilled hole is improved.
Further, go up no magnetism drilling rod 24 and the inner chamber of no magnetism drilling rod 25 down and all set up integrated into one piece's second high pressure water inlet channel 26, second high pressure water inlet channel 26 with the inner chamber of high pressure water inlet channel 12 and no magnetism outer tube 21 all communicates, the second high pressure water inlet channel of no magnetism drilling rod 25 inner chamber down with the end of intaking of motor 32 that surges passes through return bend 36 fixed connection.
In this embodiment, the high-pressure water discharged from the high-pressure mud pump 13 can flow to the water inlet end of the hydraulic motor 32 through the high-pressure water inlet passage 12, the second high-pressure water inlet passage 26 and the elbow 36, so as to drive the hydraulic motor 32 to work
Further, the connecting assembly further comprises a mud pulse-while-drilling probe 22, and the non-magnetic outer tube 21 is fixedly connected with the mud pulse-while-drilling probe 22 and is located in an inner cavity of the non-magnetic outer tube 21.
In the present embodiment, the mud while drilling pulse probe 22 can measure the inclination angle, azimuth angle, etc. of the borehole, so that the operator can know the drilling progress and drilling trajectory in real time.
Further, the spiral direction of the thread groove 111 is opposite to the rotation direction of the pilot bit 35.
In this embodiment, the thread groove 111, which is opposite to the rotation direction of the pilot bit 35, may facilitate guiding the drill cuttings in the opposite direction of drilling when the drill machine drives the auger stem to turn, thereby facilitating discharging the drill cuttings.
Further, the stationary outer tube 33 is disposed in an inclined manner, and an included angle α between the stationary outer tube and the hydraulic motor sleeve 33 is 1 to 1.25 °.
In the present embodiment, the stationary outer tube 33 is disposed obliquely, so that the drilling trajectory may be downward, the azimuth angle is upward, and the bending curvature of the drilling trajectory is significantly smaller than that of the sliding directional drilling, so that the drilling trajectory is relatively smooth.
Further, the output end of the hydraulic motor 32 is connected with the rotating transmission shaft 34 through a universal joint coupler 37, and the universal joint coupler 37 is located in the inner cavity of the stationary outer tube 33.
In this embodiment, the stationary outer tube 33 is disposed obliquely, which is beneficial for the universal joint coupler 37 to realize the transmission between the hydraulic motor 32 and the rotary transmission shaft 34.
Further, the non-magnetic outer tube 21, the upper non-magnetic drill rod 24 and the lower non-magnetic drill rod 25 are all selected to have magnetic permeability less than 1.319 multiplied by 10-6h/m high-strength steel.
In this embodiment, the use of high strength steel with low permeability can avoid interference with the electromagnetic waves generated when the mud pulse probe 22 is operating while drilling.
Further, the rotating transmission shaft 34 is connected with the stationary outer tube 33 through a bearing 38, and is located at a tube opening on a side of the stationary outer tube 33 close to the pilot bit 35.
In the present embodiment, the bearing 38 is used to attach the rotating shaft 34 and to freely rotate the rotating shaft 34.
Further, the outer side walls of the non-magnetic outer tube 21, the upper non-magnetic drill rod 24 and the lower non-magnetic drill rod 25 are all provided with second thread grooves 23 communicated with each other.
In the present embodiment, the second thread groove 23 in the non-magnetic outer tube 21, the upper non-magnetic drill rod 24 and the lower non-magnetic drill rod 25 can guide the drilling slag generated in the drilling process to the spiral drill rod 11, thereby further improving the slag discharging efficiency.
The utility model discloses a theory of operation and use flow: after the utility model is installed, the end of the auger stem 11 far away from the upper non-magnetic drill stem 24 is connected with the output end of the drilling machine, when drilling, the high pressure slurry pump 13 and the drilling machine can be started, the high pressure slurry pump 13 pumps high water into the high pressure water inlet flow passage 12, then the second high pressure water inlet flow passage 26 and the elbow pipe 36 flow to the water inlet end of the hydraulic motor 32, thereby driving the hydraulic motor 32 to work, when the hydraulic motor 32 works, the directional drill bit 35 can be driven to rotate, thereby realizing the drilling of the drilling hole, in the drilling process of the directional drill bit 35, the drilling machine drives the auger stem 11 to rotate, thereby applying certain drilling pressure on the directional drill bit 35, thereby promoting the drilling of the directional drill bit 35, simultaneously, the thread groove 111 outside the auger stem is in the continuous rotating process, the drilling slag generated in the drilling process can be stirred and guided, namely, the slag discharge speed in the drilling process is improved, the hole wall of the drilled hole can also be cut, so that the smoothness of the hole wall of the drilled hole is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A compound drilling rod capable of deeply drilling is characterized in that: the spiral drilling assembly comprises a spiral drilling assembly, a connecting assembly and a composite drilling assembly, wherein the spiral drilling assembly comprises a spiral drill rod, a high-pressure water inlet flow passage and a high-pressure slurry pump, the high-pressure water inlet flow passage is arranged in an inner cavity of the spiral drill rod, an output end of the high-pressure slurry pump is fixedly connected with one end of the spiral drill rod and communicated with the high-pressure water inlet flow passage, and thread grooves which are integrally formed are uniformly and equidistantly formed on the outer side wall of the spiral drill rod;
the connecting assembly comprises a non-magnetic outer pipe, an upper non-magnetic drill rod and a lower non-magnetic drill rod, the upper non-magnetic drill rod is rotatably connected with the auger stem and is positioned at one end, far away from the high-pressure slurry pump, of the auger stem, the non-magnetic outer pipe is fixedly connected with the upper non-magnetic drill rod and is positioned at one side, far away from the auger stem, of the upper non-magnetic drill rod, and the lower non-magnetic drill rod is fixedly connected with the non-magnetic outer pipe and is positioned at one side, far away from the auger stem, of the non-magnetic outer pipe;
the compound subassembly that creeps into includes the motor sleeve pipe that surges, the motor that surges, motionless outer tube, rotating drive shaft and directional drill, the motor sleeve pipe that surges with down no magnetism drilling rod fixed connection, and be located the one end of no magnetism outer tube is kept away from to no magnetism drilling rod down, the motor that surges with motor sleeve pipe fixed connection surges, and be located the motor sheathed tube inner chamber that surges, motionless outer tube with motor sleeve pipe fixed connection surges, and be located the one end of the lower no magnetism drilling rod that the motor sleeve pipe that surges kept away from, rotating drive shaft with the motor that surges rotates to be connected, and is located the inner chamber of motionless outer tube, rotating drive shaft with motionless outer tube rotates to be connected, directional drill with rotating drive shaft fixed connection, and be located one side of motionless outer tube is kept away from to rotating drive shaft.
2. A composite drill rod capable of deep drilling according to claim 1, wherein: go up the inner chamber of no magnetism drilling rod and no magnetism drilling rod down and all set up integrated into one piece's second high pressure water inlet channel, second high pressure water inlet channel with the inner chamber of high pressure water inlet channel and no magnetism outer tube all communicates, the second high pressure water inlet channel of no magnetism drilling rod inner chamber down with the end of intaking of the motor that surges passes through return bend fixed connection.
3. A composite drill rod capable of deep drilling according to claim 1, wherein: the connecting assembly further comprises a mud while-drilling pulse probe, the non-magnetic outer tube is fixedly connected with the mud while-drilling pulse probe and is located in the inner cavity of the non-magnetic outer tube.
4. A composite drill rod capable of deep drilling according to claim 1, wherein: the spiral direction of the thread groove is opposite to the rotation direction of the directional drilling bit.
5. The composite drill rod capable of deeply drilling according to claim 1, wherein the stationary outer tube is obliquely arranged, and the included angle α between the stationary outer tube and the hydraulic motor casing is 1-1.25 degrees.
6. A composite drill rod capable of deep drilling according to claim 1, wherein: the output end of the hydraulic motor is connected with the rotating transmission shaft through a universal joint coupler, and the universal joint coupler is located in the inner cavity of the fixed outer tube.
7. A composite drill rod capable of deep drilling according to claim 1, wherein: the bottom height of the pilot bit is not greater than the bottom height of the hydraulic motor casing.
8. A composite drill rod capable of deep drilling according to claim 1, wherein: the non-magnetic outer pipe, the upper non-magnetic drill rod and the lower non-magnetic drill rod are all selected to have magnetic conductivity less than 1.319 multiplied by 10-6h/m high-strength steel.
9. A composite drill rod capable of deep drilling according to claim 1, wherein: the rotary transmission shaft is connected with the fixed outer pipe through a bearing and is positioned at the pipe orifice of one side of the fixed outer pipe, which is close to the directional drill bit.
10. A composite drill rod capable of deep drilling according to claim 1, wherein: and the outer side walls of the non-magnetic outer pipe, the upper non-magnetic drill rod and the lower non-magnetic drill rod are provided with second thread grooves communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381390.XU CN210622733U (en) | 2019-03-25 | 2019-03-25 | Composite drill rod capable of deeply drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381390.XU CN210622733U (en) | 2019-03-25 | 2019-03-25 | Composite drill rod capable of deeply drilling |
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| Publication Number | Publication Date |
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| CN210622733U true CN210622733U (en) | 2020-05-26 |
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| CN201920381390.XU Active CN210622733U (en) | 2019-03-25 | 2019-03-25 | Composite drill rod capable of deeply drilling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005349A (en) * | 2019-03-25 | 2019-07-12 | 淮北矿业股份有限公司 | It is a kind of can deep drilling composite drill rod |
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2019
- 2019-03-25 CN CN201920381390.XU patent/CN210622733U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005349A (en) * | 2019-03-25 | 2019-07-12 | 淮北矿业股份有限公司 | It is a kind of can deep drilling composite drill rod |
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