CN217080318U - Rotary drilling bit - Google Patents
Rotary drilling bit Download PDFInfo
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- CN217080318U CN217080318U CN202221173306.3U CN202221173306U CN217080318U CN 217080318 U CN217080318 U CN 217080318U CN 202221173306 U CN202221173306 U CN 202221173306U CN 217080318 U CN217080318 U CN 217080318U
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Abstract
The utility model provides a dig drill bit soon, including a rotatory section of thick bamboo, high pressure water pump, the water tank, the battery, high pressure water pipeline, the upper portion at a rotatory section of thick bamboo sets up one and is used for the connection base that is connected with the drilling rod, lower limb department at a rotatory section of thick bamboo is provided with a plurality of working heads that distribute along its circumferencial direction, high pressure water pump, the water tank, the battery all sets up in a rotatory section of thick bamboo upper end, the battery provides the power for high pressure water pump, the water tank is used for providing the water supply to high pressure water pump, high pressure water pipeline is used for carrying the bottom edge of a rotatory section of thick bamboo with the rivers of high pressure water pump output, and realize the blowout of high pressure rivers from the bottom edge of a rotatory section of thick bamboo. In the drilling process, the impact action of high-pressure water flow is utilized to realize effective cleaning of broken stones or rock powder on the periphery of the working head, so that the probability of repeated rolling and crushing phenomena of the working head can be greatly reduced in the drilling process, and the whole drilling efficiency can be greatly improved.
Description
Technical Field
The utility model belongs to the technical field of the construction pile technique and specifically relates to a dig drill bit soon and drilling construction technology.
Background
In the technical field of piling in building construction, a rotary drilling rig is often adopted for drilling, and piling is carried out after drilling is finished. At the utilization and dig the rig soon and carry out the drilling initial stage, all creep into more easily to the sand horizon, gravel layer or the strong morals and manners stratum on top layer, nevertheless at the drilling later stage, when the drill bit runs into the stratum of the higher well morals and manners of hardness, weak morals and manners, because of when drilling the in-process, a large amount of rubble blocks or the rock powder of drill bit (working head) periphery can't obtain effective clearance for the drill bit is rotating and is drilling the in-process, repeatedly rolls, the breakage to rubble block or rock powder, has influenced then greatly and has crept into efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dig drill bit and drilling construction technology soon, at the in-process that creeps into, utilize the percussion of high-pressure rivers, can realize the peripheral broken stone of working head or the effective clearance of rock powder, then at the in-process that creeps into, but the probability of repeated rolling, crushing phenomenon appears in the greatly reduced working head, then can improve holistic drilling efficiency greatly.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a dig drill bit soon, includes a rotatory section of thick bamboo, high pressure water pump, water tank, battery, high pressure water pipeline the upper portion of a rotatory section of thick bamboo sets up one and is used for the connection base that is connected with the drilling rod the lower limb department of a rotatory section of thick bamboo is provided with a plurality of working heads that distribute along its circumferencial direction, high pressure water pump, water tank, battery all set up rotatory section of thick bamboo upper end, the battery does high pressure water pump provides the power supply, the water tank is used for providing the water supply to high pressure water pump, high pressure water pipeline is used for carrying the rivers of high pressure water pump output to the bottom edge of a rotatory section of thick bamboo to realize the blowout of high pressure rivers from the bottom edge of a rotatory section of thick bamboo.
Preferably, the high-pressure water pump, the water tank and the storage battery are all arranged on the upper plane of a bearing plate, an annular connecting plate is arranged inside the upper end of the rotary cylinder, and the bearing plate is connected with the annular connecting plate in a sealing mode.
Further, a first pipeline be used for realizing the water tank with the through connection of the end of intaking of high pressure water pump, high pressure water pipeline includes second pipeline, reposition of redundant personnel pipeline, fourth pipeline, the second pipeline be used for realizing the high pressure water pump the play water end with the link up of reposition of redundant personnel pipeline, the reposition of redundant personnel pipeline sets up inside the upper end of rotatory section of thick bamboo, it is a plurality of the fourth pipeline along the circumferencial direction of rotatory section of thick bamboo is equidistant setting in proper order on the inside wall of rotatory section of thick bamboo, the upper end of fourth pipeline with reposition of redundant personnel pipeline link up mutually the fixed high pressure nozzle that sets up in lower part of fourth pipeline, and high pressure nozzle is located the bottom edge of rotatory section of thick bamboo.
Further, the rotary drilling bit further comprises a remote control device, the remote control device comprises a wireless remote control switch and a wireless remote controller, the wireless remote control switch is used for achieving on-off control of the high-pressure water pump power supply, the wireless remote controller is used for sending on-off control signals of the high-pressure water pump power supply to the wireless remote control switch, a first through hole is formed in a top plate of the rotary cylinder, a sealing cover of the first through hole is achieved through a cover plate, the cover plate is made of non-metal materials, and the wireless remote control switch is arranged inside the upper end of the rotary cylinder and is adjacent to the first through hole.
Furthermore, a water injection pipe is arranged on the water tank, the upper part of the water injection pipe penetrates through the top plate of the rotary cylinder and then is positioned on the outer side of the top plate, a sealing end cover is arranged on the upper part of the water injection pipe, an air hole is formed in the sealing end cover, and a filter plate is arranged below the air hole.
Furthermore, a groove for clamping the fourth pipeline is formed in the inner side wall of the rotary cylinder, and the outer side of the fourth pipeline protrudes out of the inner side wall of the rotary cylinder.
Further, the grooves are distributed in a counterclockwise spiral state from the bottom to the top thereof, when viewed from the upper portion of the spin basket.
Preferably, the working head is a pick bit or a mono-cone bit.
A drilling construction process comprises the rotary drilling bit and a rotary drilling rig for driving the rotary drilling bit to perform drilling operation, wherein the drilling construction process comprises the following steps:
s1, checking the high-pressure water pump, the storage battery, the water tank, the wireless remote control switch and the wireless remote controller to ensure that the high-pressure water pump, the storage battery, the wireless remote control switch and the wireless remote controller can work normally and ensure that the water tank is full of water, simultaneously, testing a water spraying operation flow on the ground to detect whether a corresponding pipeline has a water leakage problem, filling the water in the water tank again after the detection work is finished, and then installing the rotary drilling bit on the end part of a drill rod of the rotary drilling rig;
s2, moving the rotary drilling machine to a specified position according to the drilling requirement, and ensuring that the posture of the rotary drilling machine meets the drilling requirement;
s3, starting the rotary drilling rig, driving the rotary drilling bit to perform drilling operation under the driving of a drill rod, and enabling the high-pressure water pump to be in a closed state all the time when the rotary drilling bit operates on an easier stratum all the time; when the drill bit is dug to the difficult stratum soon, dig the rig staff soon and pass through wireless remote controller control high pressure water pump for high pressure water pump carries out intermittent type formula work, and until digging the drill bit soon and pass the difficult stratum or reach the drilling depth requirement, at the in-process of cleaing away in the rotatory section of thick bamboo with the stem in the rotatory section of thick bamboo, the staff utilizes the water injection pipe to fill up with the water in the water tank once more simultaneously, so that ensure that the water tank provides sufficient water source for high pressure water pump.
The utility model has the advantages that: the utility model has simple structure, the water tank, the storage battery and the high pressure water pump are all arranged inside the upper end of the rotary cylinder, so that when the rotary cylinder is used for drilling, the water tank, the storage battery and the high pressure water pump can not influence the rotation work of the rotary cylinder, and the water tank, the storage battery and the high pressure water pump can be prevented from being damaged in the drilling process, thereby ensuring the effective drilling work; furthermore, the water tank, the storage battery and the high-pressure water pump synchronously rotate along with the rotary cylinder in the drilling process, so that the use process and the arrangement of the water tank, the storage battery and the high-pressure water pump do not influence the rotation process of the rotary cylinder and a drill rod of the rotary drilling rig, and the smooth drilling process can be ensured; when a rock layer with higher hardness is drilled, the impact action of high-pressure water flow is utilized to realize effective cleaning of broken stones or rock powder on the periphery of the working head, and then the probability of repeated rolling and crushing phenomena of the working head can be greatly reduced in the drilling process, so that the whole drilling efficiency can be greatly improved; the fourth pipeline is arranged in the groove in the side wall of the rotary cylinder, so that the arrangement stability of the fourth pipeline in the rotary cylinder can be improved, and meanwhile, the damage probability of the fourth pipeline can be reduced; watch the recess from the upper portion of a rotatory section of thick bamboo, the bottom of recess is anticlockwise spiral state distribution to its top, at this moment, the part of the protruding recess of fourth pipeline, the distribution state who also becomes above-mentioned recess equally distributes, when coring operation (this moment, high pressure water pump stop work), along with the continuation rotation of a rotatory section of thick bamboo, the outer convex part of fourth pipeline divides to have the compaction to hold the effect tightly to the stem lateral wall, thereby make the stem can firmly be held by the centre gripping inside a rotatory section of thick bamboo, be convenient for a rotatory section of thick bamboo mentions the stem subaerially, then, carry out the cleaning work of stem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partial side view of the lower portion of the present invention;
FIG. 3 is an upper partial cross-sectional view of the spin basket;
FIG. 4 is a schematic structural view of a second embodiment in which grooves are distributed on the side wall of a spin basket;
FIG. 5 is a cross-sectional view of the fourth conduit disposed on the sidewall of the spin basket;
FIG. 6 is an enlarged view taken at A in FIG. 2;
FIG. 7 is an enlarged view of FIG. 3 at B;
FIG. 8 is an enlarged view at C of FIG. 3;
FIG. 9 is an enlarged view of FIG. 3 at D;
in the figure: the device comprises a rotary cylinder 1, a connecting base 11, a working head 12, a groove 13, a ring-shaped connecting plate 14, a first through hole 141, a first through hole 15, a square frame 16, a first threaded hole 161, a cover plate 17, a second through hole 171, a high-pressure water pump 2, a water tank 3, a water injection pipe 31, a sealing end cover 32, vent holes 321, a filter plate 322, a storage battery 4, a flow distribution pipeline 5, a fourth pipeline 51, a high-pressure spray head 52, a bearing plate 6 and a third through hole 61.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying drawings 1 to 9, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar variations without departing from the spirit of the invention, and therefore the invention is not limited by the specific embodiments disclosed below.
The utility model provides a dig drill bit soon (as shown in figure 1), including rotatory section of thick bamboo 1, high pressure water pump 2, water tank 3, battery 4, high pressure water pipeline, rotatory section of thick bamboo 1 is the known technical product in this field, and it is whole hollow cylinder, and upper portion is the encapsulated situation rotatory section of thick bamboo 1's upper portion sets up one and is used for the connection base 11 that is connected with the drilling rod, and the drilling rod is for digging the drilling rod on the rig soon, and it is known mature technical product in this field to dig the rig soon, so here, no longer do detailed description to the structure and the operation principle of digging the rig soon rotary cylinder 1's lower limb department is provided with a plurality of pick bits 12 that distribute along its circumferencial direction, and work head 12 can be for bit or single cone bit, high pressure water pump 2, water tank 3, battery 4 all set up rotatory section of thick bamboo 1 upper end, namely high pressure water pump 2, water tank 3, pressurized water pump, The storage battery 4 may be disposed outside the top of the upper end of the rotary drum 1, or inside the upper end of the rotary drum 1, and in consideration of the harsh working environment of the rotary drum 1, it is preferable that the high-pressure water pump 2, the water tank 3, and the storage battery 4 are all disposed inside the upper end of the rotary drum 1, so that the high-pressure water pump 2, the water tank 3, and the storage battery 4 can be protected by using the side wall of the rotary drum 1, the storage battery 4 provides power for the high-pressure water pump 2, the water tank 3 is configured to provide water for the high-pressure water pump 2, and the high-pressure water delivery pipe is configured to deliver water output by the high-pressure water pump 2 to the bottom edge of the rotary drum 1, and to spray the high-pressure water from the bottom edge of the rotary drum 1. When the rotary drilling bit is used for drilling a rock layer with higher hardness, the impact effect of high-pressure water flow generated by the high-pressure water pump 2 is utilized to effectively clean broken stones or rock powder around the working head 12, so that the probability of repeated rolling and crushing of the working head 12 can be greatly reduced in the drilling process, and the overall drilling efficiency can be greatly improved; the types of the high-pressure water pump 2 and the storage battery 4 can be selected according to the actual flushing requirement effect.
In the above embodiment, the specific implementation mode in which the high-pressure water pump 2, the water tank 3, and the storage battery 4 are disposed inside the upper end of the rotary drum 1 is as follows: the high-pressure water pump 2, the water tank 3 and the storage battery 4 are all arranged on the upper plane of a bearing plate 6, an annular connecting plate 14 is arranged inside the upper end of the rotary cylinder 2, the bearing plate 6 is connected with the annular connecting plate 14 in a sealing manner, specifically, a circle of first through holes 141 are arranged on the annular connecting plate 14, third through holes 61 corresponding to the first through holes 141 are arranged on the bearing plate 6, meanwhile, a sealing gasket is arranged on the side wall of the bearing plate 6 opposite to the annular connecting plate 14, after bolts penetrate through the first through holes 141 and the third through holes 61, nuts are screwed on the bolts, then the nuts are screwed, and then the bearing plate 6 is connected with the annular connecting plate 14 in a sealing manner, further, in order to facilitate the installation of the high-pressure water pump 2, the water tank 3 and the storage battery 4 in the rotary cylinder 1, the height of the rotary cylinder 1 is set to be about 3m, the inner diameter of the rotary barrel is set to be about 1.5, and the distance between the bearing plate 6 and the bottom of the rotary barrel 1 is set to be about 2.5 meters, so that the rotary barrel 1 is ensured to have a coring distance of about 2.5.
Further, in the above embodiment, a specific implementation manner of enabling the water flow in the water tank 3 to flow from the inside of the water tank 3 to the bottom edge of the rotary drilling drum 1 is as follows: a first pipeline (not shown in the drawings for the sake of clarity of the drawings) for connecting the water tank 3 with the water inlet end of the high pressure water pump 2, wherein the high pressure water delivery pipeline includes a second pipeline for connecting the water outlet end of the high pressure water pump 2 with the diversion pipeline 5, a diversion pipeline 5 and a fourth pipeline 51, the diversion pipeline 5 is arranged inside the upper end of the rotary cylinder 1, a plurality of the fourth pipelines 51 are arranged on the inner side wall of the rotary cylinder 1 at regular intervals in sequence along the circumferential direction of the rotary cylinder 1, the upper end of the fourth pipeline 51 is communicated with the diversion pipeline 5, a high pressure nozzle 52 is fixedly arranged at the lower part of the fourth pipeline 51, the high pressure nozzle 52 is arranged at the bottom edge of the rotary cylinder 1, when the high pressure water pump 2 works, the high pressure water pump 2 absorbs water from the water tank 3 and outputs high pressure water, after the high-pressure water flow passes through the second pipeline 3, the diversion pipeline 5 and the fourth pipeline 51 in sequence, and finally is sprayed out from the high-pressure spray head 52, in order to improve the self structural strength of the first pipeline, the second pipeline, the diversion pipeline 5 and the fourth pipeline 51, the first pipeline, the second pipeline, the diversion pipeline 5 and the fourth pipeline 51 are all steel pipes, and the fixing of the first pipeline, the second pipeline, the diversion pipeline 5 and the fourth pipeline 51 on the side wall of the rotary cylinder 1 is realized by adopting a welding mode, in order to further improve the stable fixing of the fourth pipeline 51 on the inner side wall of the rotary cylinder 1, a groove 13 for clamping the fourth pipeline 51 is arranged on the inner side wall of the rotary cylinder 1, after the fourth pipeline 51 is clamped in the groove 13, most of the fourth pipeline is positioned in the groove 13, only a small part of the fourth pipeline is exposed outside the groove 13, in the practical application process, the groove 13 can be vertically arranged or obliquely arranged, when the groove 13 is obliquely arranged, when the groove 13 is viewed from the upper part of the rotary cylinder 1, the bottom of the groove 13 is distributed in a counterclockwise spiral state from the top, and when the groove 13 is distributed in the counterclockwise spiral state, and the core taking operation is performed along with the continuous rotation of the rotary cylinder, the outward convex part of the fourth pipeline 51 has a compacting and holding effect on the side wall of the core column, so that the core column can be firmly clamped in the rotary cylinder 1, the core column can be lifted to the ground by the rotary cylinder conveniently, and then the core column is cleaned; further, in order to facilitate the water filling operation in the water tank 3, a water injection pipe 31 is provided on the water tank 3, the upper portion of the water injection pipe 31 penetrates through the top plate of the rotary drum 1 and is located outside the top plate, a sealing end cap 32 is provided on the water injection pipe 31, when water is required to be filled into the water tank 3, the sealing end cap 32 is opened, after the water is filled, the water injection pipe 31 is closed by the sealing end cap 32, in the process that the high pressure water pump 2 sucks water from the water tank 3 continuously, in order to prevent the vacuum problem in the water tank 3, an air hole 321 is provided on the sealing end cap, a filter plate 322 is provided below the air hole 321, the filter plate 322 has an impurity filtering function under the condition of ensuring air or water ventilation, so as to ensure the cleanliness of the water source in the water tank 3, and simultaneously, in the process that the high pressure water pump 2 pumps water, air or water flow is continuously conveyed into the water tank 3 through the filter plate 322, the balance of the internal pressure and the external pressure of the water tank 3 is ensured.
In the practical application process, in order to conveniently realize the remote control of the starting and the closing of the high-pressure water pump 2, the rotary drilling bit further comprises a remote control device, the remote control device comprises a wireless remote control switch and a wireless remote controller, the wireless remote control switch is used for realizing the on-off control of the power supply of the high-pressure water pump 2, the wireless remote controller is used for sending an on-off control signal of the power supply of the high-pressure water pump 2 to the wireless remote control switch, when the high-pressure water pump 2 needs to be remotely started to work, a worker sends a starting signal of the high-pressure water pump 2 to the wireless remote control switch by using the wireless remote controller, the wireless remote control switch receives the starting signal of the high-pressure water pump 2, then the power supply of the high-pressure water pump 2 is switched on, the high-pressure water pump 2 starts to work, when the work of the high-pressure water pump 2 needs to be remotely closed, the worker sends a closing signal of the high-pressure water pump 2 to the wireless remote control switch by using the wireless remote controller, after the wireless remote control switch receives a closing signal of the high-pressure water pump 2, the power supply of the high-pressure water pump 2 is disconnected, so that the high-pressure water pump 2 stops working, and in order to ensure that the wireless remote control switch can smoothly and effectively receive a control signal sent by a wireless remote controller, a first through hole 15 is formed in a top plate of the rotary cylinder 1, a cover plate 17 is used for sealing and covering the first through hole 15, the cover plate 17 is made of a non-metal material and can effectively penetrate electromagnetic wave signals, and therefore the wireless remote control switch can be ensured to receive the wireless signals, and the wireless remote control switch is arranged inside the upper end of the rotary cylinder 1 and is adjacent to the first through hole 15; the specific embodiment of the cover plate 17 for sealing the first through hole 15 is as follows: a square frame 16 is fixedly provided around the upper portion of the first through-hole 15, a plurality of first screw holes 161 are provided in the square frame 16, a second through-hole 171 corresponding to the first screw holes 161 is provided in the cover plate 17, and a bolt is screwed into the first screw holes 161 after passing through the second through-hole 171, thereby achieving a sealed connection between the cover plate 17 and the square frame 16.
The utility model also provides a drilling construction process, dig the drill bit soon including the aforesaid, still including driving this dig the drill bit soon and carry out the rig that digs of drilling operation, this drilling construction process flow includes following step:
s1, checking the high-pressure water pump 2, the storage battery 4, the water tank 3, the wireless remote control switch and the wireless remote controller to ensure that the high-pressure water pump 2, the storage battery 4, the wireless remote control switch and the wireless remote controller can work normally and ensure that the water tank 3 is full of water, simultaneously testing a water spraying operation flow on the ground to detect whether a corresponding pipeline has a water leakage problem, filling the water in the water tank 3 again after the detection work is finished, and then installing the rotary drilling bit at the end part of a drill rod of the rotary drilling rig;
s2, moving the rotary drilling machine to a specified position according to the drilling requirement, and ensuring that the posture of the rotary drilling machine meets the drilling requirement;
s3, starting the rotary drilling rig, driving the rotary drilling bit to perform drilling operation under the driving of a drill rod, and enabling the high-pressure water pump 2 to be in a closed state all the time when the rotary drilling bit performs operation on an easier stratum all the time; when digging the drill bit soon and bore to the difficult stratum, dig the rig staff soon and control high pressure water pump 2 through wireless remote controller, make high pressure water pump 2 carry out intermittent type formula work, the staff uses the time as the control unit promptly, make high pressure water pump 2 continuously work a period, then, pause a period, then, make high pressure water pump 2 work a period again, carry out above-mentioned work flow repeatedly, until digging the drill bit soon and passing the difficult stratum or reach the drilling depth requirement, at the in-process of cleaing away the stem in the rotary drum 1 from the rotary drum 1, the staff utilizes water injection pipe 31 to fill up the water in the water tank 3 once more simultaneously, so as to ensure that water tank 3 provides sufficient water source for high pressure water pump 2.
In the present invention, "upper" and "lower" are relative positions used for convenience of describing the positional relationship, and therefore, cannot be interpreted as an absolute position as a limitation to the protection range.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
The above description is provided for the preferred embodiments and examples of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above embodiments and examples, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the present invention, and these modifications and variations should be construed as the protection scope of the present invention.
Claims (8)
1. The utility model provides a dig drill bit soon, includes a rotatory section of thick bamboo the upper portion of a rotatory section of thick bamboo sets up a connection base that is used for being connected with the drilling rod the lower limb department of a rotatory section of thick bamboo is provided with a plurality of working heads that distribute along its circumferencial direction, characterized by, should dig the drill bit soon still includes high pressure water pump, water tank, battery, high pressure water conveying pipeline, high pressure water pump, water tank, battery all set up rotatory section of thick bamboo upper end, the battery does high pressure water pump provides the power supply, the water tank is used for providing the water supply to high pressure water pump, high pressure water conveying pipeline is used for carrying the rivers of high pressure water pump output to the bottom edge of a rotatory section of thick bamboo to realize the blowout of high pressure rivers from the bottom edge of a rotatory section of thick bamboo.
2. The rotary drilling bit according to claim 1, wherein the high pressure water pump, the water tank and the storage battery are all arranged on an upper plane of a bearing plate, an annular connecting plate is arranged inside the upper end of the rotary cylinder, and the bearing plate is connected with the annular connecting plate in a sealing mode.
3. The rotary drilling bit according to claim 2, wherein a first pipeline is used for achieving through connection between a water tank and a water inlet end of the high-pressure water pump, the high-pressure water delivery pipeline comprises a second pipeline, a diversion pipeline and a fourth pipeline, the second pipeline is used for achieving through connection between a water outlet end of the high-pressure water pump and the diversion pipeline, the diversion pipeline is arranged inside an upper end of the rotary cylinder, the fourth pipelines are sequentially arranged on an inner side wall of the rotary cylinder at equal intervals along the circumferential direction of the rotary cylinder, the upper end of the fourth pipeline is communicated with the diversion pipeline, a high-pressure nozzle is fixedly arranged at the lower portion of the fourth pipeline, and the high-pressure nozzle is located at the bottom edge of the rotary cylinder.
4. The rotary drilling bit according to claim 3, further comprising a remote control device, wherein the remote control device comprises a wireless remote control switch and a wireless remote controller, the wireless remote control switch is used for realizing on-off control of the high-pressure water pump power supply, the wireless remote controller is used for sending an on-off control signal of the high-pressure water pump power supply to the wireless remote control switch, a first through hole is formed in a top plate of the rotary cylinder, a cover plate is used for realizing sealing and covering of the first through hole, the cover plate is made of non-metal materials, and the wireless remote control switch is arranged inside the upper end of the rotary cylinder and is adjacent to the first through hole.
5. The rotary drilling bit according to claim 4, wherein a water injection pipe is arranged on the water tank, the upper part of the water injection pipe penetrates through the top plate of the rotary cylinder and is located on the outer side of the top plate, a sealing end cover is arranged on the upper part of the water injection pipe, an air hole is formed in the sealing end cover, and a filter plate is arranged below the air hole.
6. The rotary drilling bit as claimed in claim 3, wherein a groove for clamping the fourth pipeline is formed in the inner side wall of the rotary cylinder, and the outer side of the fourth pipeline protrudes out of the inner side wall of the rotary cylinder.
7. The rotary drill bit as claimed in claim 6, wherein the grooves are arranged in a counterclockwise spiral shape from the bottom to the top of the grooves when viewed from the upper part of the rotary cylinder.
8. The rotary excavating drill bit according to claim 1, wherein the working head is a pick bit or a mono-cone bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221173306.3U CN217080318U (en) | 2022-05-16 | 2022-05-16 | Rotary drilling bit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221173306.3U CN217080318U (en) | 2022-05-16 | 2022-05-16 | Rotary drilling bit |
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| CN217080318U true CN217080318U (en) | 2022-07-29 |
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| CN202221173306.3U Active CN217080318U (en) | 2022-05-16 | 2022-05-16 | Rotary drilling bit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108228A (en) * | 2023-10-24 | 2023-11-24 | 山西地丘环境科技有限公司 | Geological investigation coring device and coring method |
-
2022
- 2022-05-16 CN CN202221173306.3U patent/CN217080318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108228A (en) * | 2023-10-24 | 2023-11-24 | 山西地丘环境科技有限公司 | Geological investigation coring device and coring method |
| CN117108228B (en) * | 2023-10-24 | 2023-12-26 | 山西地丘环境科技有限公司 | Geological investigation coring device and coring method |
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