CN113250633B - Geological drilling centralizing device and use method - Google Patents
Geological drilling centralizing device and use method Download PDFInfo
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- CN113250633B CN113250633B CN202110808039.6A CN202110808039A CN113250633B CN 113250633 B CN113250633 B CN 113250633B CN 202110808039 A CN202110808039 A CN 202110808039A CN 113250633 B CN113250633 B CN 113250633B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
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- Mining & Mineral Resources (AREA)
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Abstract
The invention relates to the technical field of geological exploration drilling, in particular to a geological drilling centering device and a using method thereof.
Description
Technical Field
The invention relates to the technical field of geological exploration drilling, in particular to a geological drilling centering device and a using method thereof.
Background
Geological exploration is to survey and detect geology through various methods, determine a proper bearing stratum, determine a foundation type according to the foundation bearing capacity of the bearing stratum and calculate the investigation and research activities of basic parameters.
In the process of geological exploration, a drilling machine is used for drilling a slope, and the drilling machine needs to centralize a drill rod in work so as to ensure that the angle of the drill rod during drilling is not changed and the stability of the drill rod during working is ensured.
But currently the following problems may be encountered during the geological borehole centralization process: 1. when the traditional centering mechanism is used, the traditional centering mechanism is fixedly arranged on a drilling machine, and when a drill rod is used for next drilling operation, a base plate needs to be additionally arranged below the centering mechanism to achieve the purpose of adjusting the height, so that the operation process is troublesome, the workload of operators is increased, and the working efficiency is also low; 2. at the moment when the drill rod starts to drill, the impact force between the drill rod and the slope surface is large, the centering mechanism vibrates under the action of the impact force, and then the centering mechanism inclines, so that the centering effect of the centering mechanism can be reduced.
Disclosure of Invention
The technical scheme is as follows: in order to make up for the defects of the prior art, the invention provides a geological drilling righting device and a using method thereof.
The technical scheme adopted by the invention to solve the technical problem is as follows: the utility model provides a device is right in geological drilling, includes base, right mechanism, connecting rod, fixed establishment and cooling mechanism, it is three the base arrange from a left side right equidistance, the mechanism is right in the up end of base installation, three right between the mechanism is connected through the connecting rod, the right-hand member face of rightmost side right end of rightmost side is installed fixed establishment, all the other mechanisms of righting are last to install cooling mechanism.
The centralizing mechanism comprises a conical screw, a rotating sleeve, a threaded rod, a telescopic spring rod, a support ring, a drill rod and a rotating handle, wherein the front and back of the upper end surface of the base are symmetrically in threaded connection with the conical screw, the upper end surface of the base is rotatably connected with the rotating sleeve, the rotating handle is symmetrically arranged on the left side and the right side of the outer wall of the rotating sleeve, the threaded rod is in threaded connection with the rotating sleeve, the lower end surface of the threaded rod is connected with the base through the telescopic spring rod, the support ring is arranged on the upper end surface of the threaded rod, the inner wall of the support ring is connected with the drill rod through a linear bearing, the base is fixed with the ground through the conical screw, the situation that the drilling position is inaccurate due to the fact that the drill rod shakes left and right during drilling is avoided, after the base is fixed, all the rotating handles can be simultaneously rotated to drive the threaded rod to move upwards, so that the support ring moves upwards, to support the drill rod at different heights.
Wherein, the connecting rod include carriage release lever, round bar, jack and bolt, control adjacent threaded rod outer wall fixed mounting respectively has carriage release lever and round bar, carriage release lever and round bar all are located the threaded rod and are close to upper end department, round shrinkage pool has been seted up to the left end face of round bar, the carriage release lever runs through round shrinkage pool, a jack has been seted up to the outer wall of carriage release lever from a left side right side equidistance, the round bar outer wall is close to left end department and has seted up No. two jacks, be connected through the bolt between a jack and No. two jacks, threaded connection has the nut on the bolt, distance between the adjacent support ring about bolt and nut are fixed, make adaptability adjustment according to actual need for distance between the support ring, stability when having increased drilling the drilling rod.
Wherein, fixed establishment include telescopic link, fixed block and No. two conical screw, be located the rightmost side the support ring right-hand member face articulated have the telescopic link, the telescopic link is arranged along support ring circumference equidistance, the right-hand member of telescopic link articulates there is the fixed block, threaded connection has No. two conical screw on the fixed block, fix between fixed block and domatic through No. two conical screw, it is great to avoid appearing the drilling rod impact force when drilling, lead to carrying out the situation that the support ring production slope that supports to the drilling rod, and then make drilling rod drilling more stable.
Wherein, cooling mechanism include annular fixed plate, a fixed section of thick bamboo, arc basin, apopore, atomising head, a sealed section of thick bamboo and water pipe, two on the left side the right-hand member face of support ring install annular fixed plate, a fixed section of thick bamboo is installed to the right-hand member face of annular fixed plate, the arc basin has been seted up to the outer wall of a fixed section of thick bamboo, the apopore has been seted up from a left side right equidistance on the arc basin, the apopore is arranged along a fixed section of thick bamboo circumference equidistance, the atomising head that is connected with the apopore is installed to the inner wall of a fixed section of thick bamboo, the cover is equipped with a sealed section of thick bamboo on the fixed section of thick bamboo, a sealed section of thick bamboo comprises circular sleeve and annular slab, install the water pipe that communicates with the arc basin on the sealed section of thick bamboo, the atomising head carries out the cooling of spray to the drilling rod and handles, avoid appearing the drilling rod during operation high temperature, lead to the phenomenon that the drilling rod damaged.
Wherein, the terminal surface has seted up the blanking and has led to the groove under the fixed cylinder inner wall, the blanking leads to the groove and runs through sealed section of thick bamboo, after the impurity of adhesion drops from the drilling rod at the mist cooling in-process on the drilling rod, impurity leads to the groove through the blanking and drops downwards, avoids appearing impurity and remains the situation in the fixed cylinder.
Wherein, adjacent two the telescopic link between install the shrink cloth, the shrink cloth is the elasticity material, the shrink cloth can avoid the drilling rod when driling, and earth or grit on the wall splash and injure operating personnel's the condition and appear.
The bolt is connected with the outer wall of the circular rod through a rope, and the situation that the bolt is lost after being disassembled is avoided.
Wherein, the outer wall of support ring from a left side to the right equidistance seted up the louvre, the louvre is arranged along support ring circumference, the louvre is convenient for the drilling rod and is dispelled the heat the cooling.
Wherein, the outer wall of a fixed section of thick bamboo install a sealing rubber section of thick bamboo, the water pipe leads to the groove with the blanking and all runs through a sealing rubber section of thick bamboo, the use of sealing rubber section of thick bamboo can avoid appearing the water in the arc basin from the situation that flows out between a fixed section of thick bamboo and a sealing section of thick bamboo.
In addition, the invention also provides a use method of the geological drilling centralizing device, which comprises the following steps: s1, adjusting the distance: when the distance between the support rings needs to be adjusted, the distance between the support rings is adjusted by adjusting the distance between the left and right two adjacent threaded rods, and after the distance adjustment is completed, the distance between the left and right adjacent support rings is fixed through a bolt and a nut, so that the distance between the support rings can be adjusted adaptively according to actual needs.
S2, supporting and installing: the method comprises the steps of determining the placement position of a base according to the position of a geological drilling hole, placing the base on the ground after the placement position of the base is determined, and fixing the base and the ground through a first conical screw.
S3, abutting and fixing: after the base is fixed, promote the support ring and make the telescopic link promote the domatic of fixed block and drilling to support tightly, then rethread second conical screw is fixed block and domatic.
S4, spray cooling: when the drill rod starts to work, water is delivered to the water pipe through the water supply system, the water is delivered to the spray head through the arc-shaped water tank and the water outlet hole, and the spray head carries out spray cooling treatment on the drill rod.
(II) beneficial effect: 1. according to the geological drilling hole centering device and the using method, the centering mechanism can adjust the position of the support ring according to the height of the drilled hole, so that the drill rod can be centered and supported at different heights, and meanwhile, the centering mechanism and the slope of the drilled hole are fixed by the fixing mechanism, so that the phenomenon that the centering mechanism inclines due to large impact force when the drill rod starts to drill the hole is avoided.
2. The spray head provided by the invention can be used for carrying out spray cooling on the drill rod, so that the phenomenon that the drill rod is damaged due to overhigh temperature when the drill rod works is avoided.
3. The shrinkage cloth provided by the invention can avoid the situation that the operator is injured by splashing mud or sand on the wall when the drill rod drills.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic main perspective structure of the present invention.
Fig. 2 is a schematic view of the back-up perspective structure of the present invention.
Fig. 3 is a schematic bottom view of the present invention.
Fig. 4 is an enlarged view of fig. 3 a of the present invention.
FIG. 5 is a schematic perspective view of the stationary drum, the arc-shaped water tank and the blanking through groove.
Fig. 6 is a front sectional view in an operating state of the present invention.
Fig. 7 is an enlarged view of the invention at B of fig. 6.
In the figure: 1. a base; 2. a righting mechanism; 3. a connecting rod; 4. a fixing mechanism; 5. a cooling mechanism; 20. a first conical screw; 21. rotating the sleeve; 22. a threaded rod; 23. a telescoping spring rod; 24. a support ring; 240. heat dissipation holes; 25. a drill stem; 26. rotating the handle; 30. a travel bar; 31. a circular rod; 33. a first jack; 34. a bolt; 340. a rope; 40. a telescopic rod; 401. shrinking the cloth; 41. a fixed block; 42. a second conical screw; 50. an annular fixed plate; 51. a fixed cylinder; 510. a blanking through groove; 512. sealing the rubber cylinder; 52. an arc-shaped water tank; 53. a water outlet hole; 54. a spray head; 55. a sealing cylinder; 56. a water pipe.
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings; in this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
In addition, the following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention; therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1-7, a device is right in geological drilling, including base 1, right mechanism 2, connecting rod 3, fixed establishment 4 and cooling mechanism 5, it is three base 1 arrange from a left side to the right side equidistance, right mechanism 2 is installed to the up end of base 1, is connected through connecting rod 3 between the three mechanism 2 of righting, fixed establishment 4 is installed to right end face of right mechanism 2 of rightmost side, installs cooling mechanism 5 on remaining right mechanism 2.
The centralizing mechanism 2 comprises a conical screw 20, a rotating sleeve 21, a threaded rod 22, a telescopic spring rod 23, a support ring 24, a drill rod 25 and a rotating handle 26, the front and the back of the upper end surface of the base 1 are symmetrically in threaded connection with the conical screw 20, the upper end surface of the base 1 is rotationally connected with the rotating sleeve 21, the rotating handle 26 is symmetrically arranged on the left side and the right side of the outer wall of the rotating sleeve 21, the threaded rod 22 is connected with the rotating sleeve 21 in an internal thread manner, the lower end surface of the threaded rod 22 is connected with the base 1 through the telescopic spring rod 23, the upper end surface of the threaded rod 22 is provided with the support ring 24, the inner wall of the support ring 24 is connected with the drill rod 25 through a linear bearing, during operation, the support ring 24 is connected with the drill rod 25 through the linear bearing, so that the drill rod 25 can rotate in the support ring 24 and axially move along the support ring 24, and the placement position of the base 1 is determined according to geological drilling positions, after the position of placing of base 1 is confirmed, place base 1 subaerial, when the ground is uneven, it is 26 not rotating on the base 1 with ground contact to rotate, it drives rotating sleeve 21 to rotate 26, threaded rod 22 on the base 1 carries on spacingly through connecting rod 3 and telescopic spring pole 23, make rotating sleeve 21 pivoted drive base 1 and remove downwards simultaneously, until base 1 supports tightly with ground, then it is fixed with base 1 and ground through a conical screw 20, avoid drilling rod 25 to rock when drilling and cause the inaccurate condition in drilling position to appear, after base 1 is fixed, can be through rotating all rotations 26 simultaneously, drive threaded rod 22 and upwards remove, thereby make support ring 24 rebound, in order to support drilling rod 25 on the different heights.
The outer wall of the support ring 24 is equidistantly provided with heat dissipation holes 240 from left to right, the heat dissipation holes 240 are circumferentially arranged along the support ring 24, and the heat dissipation holes 240 facilitate heat dissipation and cooling of the drill rod 25.
Connecting rod 3 include carriage release lever 30, round bar 31, jack 33 and bolt 34, it is adjacent about the threaded rod 22 outer wall respectively fixed mounting have carriage release lever 30 and round bar 31, carriage release lever 30 and round bar 31 all are located the threaded rod 22 and are close to upper end department, round concave hole has been seted up to the left end face of round bar 31, carriage release lever 30 runs through round concave hole, carriage release lever 30's outer wall has seted up jack 33 from a left side right equidistance, round bar 31 outer wall is close to left end department and has seted up No. two jacks, be connected through bolt 34 between jack 33 and the No. two jacks, threaded connection has the nut on bolt 34, in operation, when the distance between support ring 24 needs to be adjusted, take off bolt 34 and nut from between jack 33 and the No. two jacks, then adjust the distance between two adjacent threaded rod 22 about, thereby adjust the distance between the support ring 24, after the distance adjustment is completed, the bolt 34 is inserted into the corresponding first insertion hole 33 and the second insertion hole, and the distance between the left and right adjacent support rings 24 is fixed through the bolt 34 and the nut, so that the distance between the support rings 24 can be adjusted adaptively according to actual needs, and the stability of the drill rod 25 during drilling is improved.
The bolt 34 is connected with the outer wall of the circular rod 31 through a rope 340, so that the bolt 34 is prevented from being lost after being detached.
Adjacent two telescopic link 40 between install shrink cloth 401, shrink cloth 401 is the elasticity material, and shrink cloth 401 can avoid earth or grit on the wall to splash and injure operating personnel's the condition appearance when drilling by drilling rod 25.
The cooling mechanism 5 comprises an annular fixing plate 50, two fixing cylinders 51, an arc-shaped water tank 52, water outlets 53, atomizing heads 54, a sealing cylinder 55 and water pipes 56, the right end faces of the two left supporting rings 24 are provided with the annular fixing plate 50, the right end face of the annular fixing plate 50 is provided with the fixing cylinder 51, the outer wall of the fixing cylinder 51 is provided with the arc-shaped water tank 52, the arc-shaped water tank 52 is provided with the water outlets 53 at equal intervals from left to right, the water outlets 53 are arranged at equal intervals along the circumferential direction of the fixing cylinder 51, the atomizing heads 54 connected with the water outlets 53 are arranged on the inner wall of the fixing cylinder 51, the fixing cylinder 51 is sleeved with the sealing cylinder 55, the sealing cylinder 55 consists of a circular sleeve and an annular plate, the water pipes 56 communicated with the arc-shaped water tank 52 are arranged on the sealing cylinder 55, the upper ends of the water pipes 56 are connected with a water supply system during work, when the drill rod 25 starts to work, the water is supplied to the water pipes 56 through the water supply system, water sends water to the atomising head 54 through arc basin 52 and apopore 53, and the atomising head 54 carries out spray cooling to drilling rod 25, avoids drilling rod 25 during operation temperature higher, leads to the phenomenon of drilling rod 25 damage to appear.
Fixed cylinder 51 inner wall under the terminal surface seted up the blanking and led to groove 510, the blanking is led to the groove 510 and is run through sealed section of thick bamboo 55, when the impurity of adhesion drops from the drilling rod at the spray cooling in-process on the drilling rod 25, impurity drops downwards through the blanking and leads to the groove 510, avoids appearing impurity and remains the condition in fixed cylinder 51.
The outer wall of the fixed cylinder 51 is provided with a sealing rubber cylinder 512, the water pipe 56 and the blanking through groove 510 penetrate through the sealing rubber cylinder 512, and the sealing rubber cylinder 512 avoids the situation that water in the arc-shaped water tank 52 flows out from between the fixed cylinder 51 and the sealing cylinder 55.
In addition, the invention also provides a use method of the geological drilling centralizing device, which comprises the following steps: s1, adjusting the distance: when the distance between the support rings 24 needs to be adjusted, the bolts 34 and the nuts are taken down from the first insertion holes 33 and the second insertion holes, then the distance between the support rings 24 is adjusted by adjusting the distance between the left adjacent threaded rod and the right adjacent threaded rod 22, after the distance adjustment is completed, the bolts 34 are inserted into the corresponding first insertion holes 33 and the second insertion holes, and the distance between the left adjacent support rings 24 and the right adjacent support rings 24 is fixed through the bolts 34 and the nuts, so that the distance between the support rings 24 can be adjusted adaptively according to actual needs.
S2, supporting and installing: the placing position of the base 1 is determined according to the position of geological drilling, after the placing position of the base 1 is determined, the base 1 is placed on the ground, at the moment, the fixing block 41 is tightly abutted to the slope surface of the drilling, when the ground is uneven, the rotating handle 26 on the base 1 which is not in contact with the ground is rotated to drive the rotating sleeve 21 to rotate, the threaded rod 22 on the base 1 is limited by the connecting rod 3 and the telescopic spring rod 23, the rotating sleeve 21 drives the base 1 to move downwards while rotating until the base 1 is tightly abutted to the ground, then the base 1 is fixed with the ground through the conical screw 20, the condition that the drilling position is inaccurate due to the fact that the drill rod 25 shakes left and right during drilling is avoided, after the base 1 is fixed, all the rotating handle 26 can be rotated simultaneously to drive the threaded rod 22 to move upwards, and therefore the support ring 24 moves upwards, to support the drill rod 25 at different heights.
S3, abutting and fixing: after the base 1 is fixed, the support ring 24 is pushed to enable the telescopic rod 40 to push the fixing block 41 to be tightly abutted to the slope surface of the drilled hole, and then the fixing block 41 and the slope surface are fixed through a second conical screw 42.
S4, spray cooling: the upper end of the water pipe 56 is connected with a water supply system, when the drill rod 25 starts to work, water is sent to the water pipe 56 through the water supply system, the water is sent to the spray head 54 through the arc-shaped water tank 52 and the water outlet hole 53, and the spray head 54 carries out spray cooling treatment on the drill rod 25.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a device is right in geological drilling, includes base (1), right mechanism (2), connecting rod (3), fixed establishment (4) and cooling mechanism (5), its characterized in that: the three bases (1) are equidistantly arranged from left to right, the upper end face of each base (1) is provided with a centering mechanism (2), the three centering mechanisms (2) are connected through a connecting rod (3), the right end face of the rightmost centering mechanism (2) is provided with a fixing mechanism (4), and the rest centering mechanisms (2) are provided with cooling mechanisms (5);
the righting mechanism (2) comprises a conical screw (20), a rotating sleeve (21), a threaded rod (22), a telescopic spring rod (23), a supporting ring (24), a drill rod (25) and a rotating handle (26), the front and the back of the upper end surface of the base (1) are symmetrically screwed with the conical screw (20), the upper end surface of the base (1) is rotatably connected with the rotating sleeve (21), the rotating handle (26) is symmetrically arranged on the left side and the right side of the outer wall of the rotating sleeve (21), the threaded rod (22) is screwed in the rotating sleeve (21), the lower end surface of the threaded rod (22) is connected with the base (1) through the telescopic spring rod (23), the supporting ring (24) is arranged on the upper end surface of the threaded rod (22), and the inner wall of the supporting ring (24) is connected with the drill rod (25) through a linear bearing;
connecting rod (3) including carriage release lever (30), round bar (31), jack (33) and bolt (34), control adjacent threaded rod (22) outer wall fixed mounting respectively has carriage release lever (30) and round bar (31), carriage release lever (30) all are located threaded rod (22) with round bar (31) and are close to upper end department, round concave hole has been seted up to the left end face of round bar (31), carriage release lever (30) run through round concave hole, jack (33) have been seted up to the outer wall of carriage release lever (30) from a left side right side equidistance, jack (31) outer wall is seted up No. two jacks near left end department, be connected through bolt (34) between jack (33) and No. two jacks, the spiro union has the nut on bolt (34).
2. A geological drilling righting device as claimed in claim 1, wherein: fixing mechanism (4) include telescopic link (40), fixed block (41) and No. two conical screw (42), be located the rightmost side support ring (24) right-hand member face articulated have telescopic link (40), telescopic link (40) are arranged along support ring (24) circumference equidistance, the right-hand member of telescopic link (40) articulates there is fixed block (41), threaded connection has No. two conical screw (42) on fixed block (41).
3. A geological drilling righting device as claimed in claim 1, wherein: the cooling mechanism (5) comprises an annular fixing plate (50), a fixing cylinder (51), an arc-shaped water tank (52), a water outlet hole (53), a spray head (54), a sealing cylinder (55) and a water pipe (56), two on the left side the right-hand member face of support ring (24) install annular fixed plate (50), fixed cylinder (51) are installed to the right-hand member face of annular fixed plate (50), arc basin (52) have been seted up to the outer wall of fixed cylinder (51), apopore (53) have been seted up from a left side right side equidistance on arc basin (52), apopore (53) are arranged along fixed cylinder (51) circumference equidistance, atomising head (54) that are connected with apopore (53) are installed to the inner wall of fixed cylinder (51), the cover is equipped with sealed section of thick bamboo (55) on fixed cylinder (51), sealed section of thick bamboo (55) comprise circular sleeve and annular plate, install water pipe (56) with arc basin (52) intercommunication on sealed section of thick bamboo (55).
4. A geological drilling righting device as claimed in claim 3, wherein: the lower end face of the inner wall of the fixed cylinder (51) is provided with a blanking through groove (510), and the blanking through groove (510) penetrates through the sealing cylinder (55).
5. A geological borehole centralising apparatus as claimed in claim 2, wherein: and a shrinking cloth (401) is arranged between every two adjacent telescopic rods (40).
6. A geological drilling righting device as claimed in claim 1, wherein: the bolt (34) is connected with the outer wall of the round rod (31) through a rope (340).
7. A geological drilling righting device as claimed in claim 1, wherein: the outer wall of the support ring (24) is equidistantly provided with heat dissipation holes (240) from left to right, and the heat dissipation holes (240) are circumferentially arranged along the support ring (24).
8. A geological drilling righting device as claimed in claim 4, wherein: the outer wall of the fixed cylinder (51) is provided with a sealing rubber cylinder (512), and the water pipe (56) and the blanking through groove (510) penetrate through the sealing rubber cylinder (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110808039.6A CN113250633B (en) | 2021-07-16 | 2021-07-16 | Geological drilling centralizing device and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110808039.6A CN113250633B (en) | 2021-07-16 | 2021-07-16 | Geological drilling centralizing device and use method |
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| CN113250633A CN113250633A (en) | 2021-08-13 |
| CN113250633B true CN113250633B (en) | 2021-09-07 |
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| CN117386297B (en) * | 2023-12-13 | 2024-02-23 | 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） | Geological drilling righting device |
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| JP4215241B2 (en) * | 2003-03-10 | 2009-01-28 | 日鐵住金建材株式会社 | Low noise drilling machine |
| CN201250616Y (en) * | 2008-09-05 | 2009-06-03 | 煤炭科学研究总院重庆研究院 | Drill rod-guiding device |
| CN105710677A (en) * | 2016-04-18 | 2016-06-29 | 句容五星机械制造有限公司 | Auxiliary clamping mechanism for tubular and rod workpieces |
| CN211342828U (en) * | 2019-10-30 | 2020-08-25 | 刘诚 | Punching device for sampling rock soil in oil field exploration |
| CN212774111U (en) * | 2020-08-25 | 2021-03-23 | 天津同鑫煤矿机械制造有限公司 | Full-hydraulic mining tunnel drilling machine |
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