CN114233206A - Raise boring machine drilling rod structure for water and electricity system - Google Patents
Raise boring machine drilling rod structure for water and electricity system Download PDFInfo
- Publication number
- CN114233206A CN114233206A CN202111464801.XA CN202111464801A CN114233206A CN 114233206 A CN114233206 A CN 114233206A CN 202111464801 A CN202111464801 A CN 202111464801A CN 114233206 A CN114233206 A CN 114233206A
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- Prior art keywords
- drilling rod
- rod
- limiting
- limiting plate
- gear
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/043—Threaded with locking means
Abstract
The invention relates to the technical field of hydroelectric systems and discloses a drilling rod structure of a raise boring machine for a hydroelectric system. This water and electricity system is with raise boring machine drilling rod structure, remove to one side through promoting sealed limiting plate, and drive the locating pin and remove to the inside of first drilling rod, can drive when carrying out the screw thread rotation between first drilling rod and the second drilling rod, reduce the hindrance, install simultaneously and carry out the screw thread between first drilling rod and the second drilling rod and prescribe a limit to the back, promote sealed limiting plate, drive the locating pin activity and cup joint behind the inside of seting up the recess in second drilling rod one side, can drive the position between first drilling rod and the second drilling rod and prescribe a limit to, the problem that appears becoming flexible when avoiding the drilling rod to rotate and drop, and rotate the nut, the position that promotes sealed limiting plate is prescribed a limit to the place, can drive the steadiness that sealed limiting plate position was prescribed a limit to the limit to.
Description
Technical Field
The invention relates to the technical field of hydroelectric systems, in particular to a raise boring machine drill rod structure for a hydroelectric system.
Background
In the hydroelectric system, a raise boring machine is required to drill a hole to drive the raise boring machine to drill well water, the hole is usually required to be driven to extend to the ground bottom, but when the hole is drilled, a drill rod is required to be used for assisting drilling treatment, and thus, a raise boring machine drill rod structure for the hydroelectric system is developed.
In current anti-well rig drilling rod structure for hydroelectric system, the drilling rod structure comprises circular pipeline, it is rotatory to need to drive the drilling rod, and the inside of drilling rod is seted up flutedly, the grit that conveniently drives the brill and get is taken out, but when the degree of depth of drilling is dark, need splice between a plurality of drilling rods, the mode that adopts the spiral concatenation drives and splices between two drilling rods, but the drilling of spiral concatenation is when using in later stage, when the direction rotates the drilling rod, one end drilling blocks, the other end drilling rod rotates, can lead to appearing breaking away from between two drilling rods, can drive the drilling rod and drop to the inside of drilling, and the later stage is difficult to take out the drilling rod that drops, lead to extravagant material, and the long problem of extravagant processing.
Disclosure of Invention
The invention provides a reverse-well drilling machine drill rod structure for a hydroelectric system, which aims to overcome the defects of the conventional reverse-well drilling machine drill rod structure for the hydroelectric system.
The invention provides the following technical scheme: the utility model provides a water and electricity system is with raise boring machine drilling rod structure, includes first drilling rod, the inside of first drilling rod one side is seted up screw thread limit groove, the opposite side fixedly connected with threaded rod of first drilling rod, the outside activity of threaded rod opposite side has cup jointed the second drilling rod, the centre gripping limit groove has been seted up to the outside of first drilling rod, antiskid groove has been seted up to the inside of centre gripping limit groove, the outside activity of first drilling rod opposite side has cup jointed sealed limiting plate, the opposite side fixedly connected with locating pin of sealed limiting plate, the outside of sealed limiting plate one side is installed the nut, the outside activity of second drilling rod has cup jointed gear limit dish, the inboard of gear limit dish has seted up interior limit groove, the outside fixedly connected with hinge of gear limit dish, the opposite side fixedly connected with location push rod of gear limit dish, location push rod's outside activity has cup jointed the location, the spring is installed in the positioning push rod, and a movable limiting plate is installed on the outer side of the spring.
Preferably, the first drill rod and the second drill rod have the same structure, a thread limiting groove is formed in the inner portion of one side of the second drill rod, a threaded rod mounted on the other side of the first drill rod is movably sleeved with the inner portion of the thread limiting groove formed in the inner portion of one side of the second drill rod, and threads are formed in the outer side of the threaded rod.
Preferably, six clamping limiting grooves are formed in the outer portions of the upper portion and the lower portion of the first drill rod, four groups of anti-skidding grooves are formed in the outer portions of the clamping limiting grooves, and the anti-skidding grooves are in a bending winding shape.
Preferably, the inside of the other side of the first drill rod is provided with a sliding groove, the inner side of the sealing limiting plate is movably sleeved inside the sliding groove, the screw cap is in threaded limiting connection with the outer side of the first drill rod, and the positioning pin penetrates through the other side of the first drill rod and is movably sleeved inside one side of the second drill rod.
Preferably, the gear limiting disc is composed of two semicircular baffles, the gear limiting disc can rotate around the outside of the hinge, a groove is formed in the outside of the second drill rod, and the inner limiting groove and the groove are connected in a matched mode.
Preferably, the positioning push rod and the positioning jacket are respectively and fixedly connected between the connecting parts of the other sides of the two gear limiting plates, one movable limiting plate is arranged on each of the two sides of the inside of the positioning push rod, the spring is clamped between the two movable limiting plates, a chamfer is arranged on the outside of each movable limiting plate, and the outside of each movable limiting plate is movably sleeved inside the corresponding positioning jacket.
Preferably, gear teeth are arranged on one side of the gear limiting disc, the two gear limiting discs form a circle, the gear limiting disc is clamped inside the inner gear limiting disc, and the gear teeth are sleeved inside the inner gear disc.
Preferably, the inside fixedly connected with of first drilling rod opposite side stereotypes the board, the inside of seting up the recess in first drilling rod one side is installed to the stereotype board, the inside at sealed limiting plate opposite side is cup jointed in the stereotype activity.
Compared with the drill rod structure of the raise boring machine for the existing hydroelectric system, the invention has the following beneficial effects:
1. this water and electricity system is with raise boring machine drilling rod structure, remove to one side through promoting sealed limiting plate, and drive the locating pin and remove to the inside of first drilling rod, can drive when carrying out the screw thread rotation between first drilling rod and the second drilling rod, reduce the hindrance, install simultaneously and carry out the screw thread between first drilling rod and the second drilling rod and prescribe a limit to the back, promote sealed limiting plate, drive the locating pin activity and cup joint behind the inside of seting up the recess in second drilling rod one side, can drive the position between first drilling rod and the second drilling rod and prescribe a limit to, the problem that appears becoming flexible when avoiding the drilling rod to rotate and drop, and rotate the nut, the position that promotes sealed limiting plate is prescribed a limit to the place, can drive the steadiness that sealed limiting plate position was prescribed a limit to the limit to.
2. This water and electricity system is with raise boring machine drilling rod structure, opposite side through driving two gear limiting discs is fixedly connected with location push rod and positioning sleeve respectively, it is time-out to drive between the gear limiting disc, it cup joints the inside at positioning sleeve to drive the location push rod activity, device activity limiting plate receives the extrusion simultaneously, inside shrink to the location push rod, can conveniently drive the inside at positioning sleeve of activity limiting plate joint, increase stability when can driving the installation between two gear limiting discs, when not hard up gear limiting disc simultaneously, can pull out to the outside, and it receives the inboard removal under the pressure effect to drive activity limiting plate, and drive the inside that the skew positioning sleeve of location push rod pressed from both sides, can drive the effect of carrying out the shrink between two gear limiting discs.
Drawings
FIG. 1 is a schematic view of a main structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a structural body of the present invention;
FIG. 3 is an enlarged view of a drill rod limiting gear positioning disc of the present invention;
FIG. 4 is a partial cross-sectional schematic view of a drill rod limiting gear positioning disk of the present invention;
FIG. 5 is an enlarged view of the structure A of the present invention;
FIG. 6 is a partially enlarged schematic view of a positioning device at the connection position of the drill rods according to the structure of the invention.
In the figure: 1. a first drill rod; 2. a thread defining groove; 3. a threaded rod; 4. a second drill pipe; 5. a clamping limiting groove; 6. an anti-slip groove; 7. a seal defining plate; 8. positioning pins; 9. a nut; 10. a gear defining disk; 11. gear teeth; 12. an inner limiting groove; 13. a hinge; 14. positioning the push rod; 15. a positioning jacket; 16. a spring; 17. a movable limiting plate; 18. and (5) shaping plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 3, 4 and 5, a drilling rod structure of a raise boring machine for a hydroelectric system comprises a first drilling rod 1, a thread limiting groove 2 is formed in one side of the first drilling rod 1, a threaded rod 3 is convenient to drive the first drilling rod 1 at the other side to limit threads, the other side of the first drilling rod 1 is fixedly connected with the threaded rod 3, the threaded rod 3 drives the thread limiting groove 2 installed at one side of a second drilling rod 4 to move in a threaded manner, the second drilling rod 4 is movably sleeved outside the other side of the threaded rod 3, a clamping limiting groove 5 is formed in the outside of the first drilling rod 1, a clamping device is convenient to drive the clamping limiting groove 5 to clamp and limit the outside of the clamping limiting groove 5 from different directions, an anti-slip groove 6 is formed in the clamping limiting groove 5, friction resistance between the clamping device and the anti-slip groove 6 is convenient to drive, and the clamping device is convenient to clamp and limit, a sealing limiting plate 7 is movably sleeved outside the other side of the first drill rod 1, the sealing limiting plate 7 can move outside the first drill rod 1 and push a positioning pin 8 to move, the other side of the sealing limiting plate 7 is fixedly connected with the positioning pin 8, the positioning pin 8 sequentially penetrates through the rotating interiors of the first drill rod 1 and the second drill rod 4, the first drill rod 1 and the second drill rod 4 can be driven to limit between the first drill rod 1 and the second drill rod 4, the problem that the first drill rod 1 and the second drill rod 4 are separated due to position deflection when the first drill rod 1 and the second drill rod 4 are used is avoided, a nut 9 is installed outside one side of the sealing limiting plate 7, the nut 9 is rotated to push the outside of the sealing limiting plate 7 to limit, the function of clamping and limiting the position of the sealing limiting plate 7 can be achieved, a gear limiting plate 10 is movably sleeved outside the second drill rod 4, and the gear limiting plate 10 is clamped outside the upper portion of the second drill rod 4, the position of the second drill rod 4 is conveniently driven to be limited, the second drill rod 4 is prevented from rotating, the inner side of the gear limiting disc 10 is provided with an inner limiting groove 12, the inner limiting groove 12 is installed in the gear limiting disc 10 at equal intervals, the inner limiting groove 12 is conveniently driven to be movably sleeved outside the second drill rod 4, the outer part of the gear limiting disc 10 is fixedly connected with a hinge 13, the hinge 13 drives the two gear limiting discs 10 to rotate, the two gear limiting discs 10 are driven to be movably sleeved outside the second drill rod 4, the other side of the gear limiting disc 10 is fixedly connected with a positioning push rod 14, the outer part of the positioning push rod 14 is movably sleeved with a positioning jacket 15, the positioning push rod 14 is movably sleeved inside the positioning jacket 15 to drive the two gear limiting discs 10 to be spliced and limited, a spring 16 is installed inside the positioning push rod 14, and a movable limiting plate 17 is installed outside the spring 16, the spring 16 pushes the movable limiting plate 17 to move outwards, and drives the movable limiting plate 17 to be clamped inside the positioning jacket 15, so that the position between the two gear limiting discs 10 can be driven to be spliced and limited.
Refer to fig. 2, the structure between first drilling rod 1 and the second drilling rod 4 is the same, the inside of second drilling rod 4 one side is seted up screw thread limit slot 2, the inside of screw thread limit slot 2 is seted up to the 3 activities of threaded rod of 1 opposite side installation of first drilling rod cup joint second drilling rod 4 one side inside, the outside of threaded rod 3 is seted up threadedly, through the outside of threaded rod 3 is seted up threadedly, and when driving and cooperate between first drilling rod 1 and the second drilling rod 4 to be connected, threaded rod 3 that can drive 1 opposite side installation of first drilling rod and second drilling rod 4 one side are seted up screw thread limit slot 2 between each other threaded connection, can drive and splice between first drilling rod 1 and the second drilling rod 4 and prescribe a limit, increase the steadiness when can driving the concatenation between two pipelines.
Referring to fig. 1, six clamping limiting grooves 5 have been all seted up to the outside of the upper portion and the lower part of first drilling rod 1, four sets of antiskid groove 6 have been seted up to the outside of clamping limiting groove 5, antiskid groove 6 is crooked winding form, six clamping limiting grooves 5 have all been seted up through installing the outside of first drilling rod 1 upper portion and lower part, and antiskid groove 6 has been seted up to the inside of driving clamping limiting groove 5, can drive the outside of first drilling rod 1 and set up behind clamping limiting groove 5, can drive the outside of clamping device centre gripping at clamping limiting groove 5, and drive the effect of carrying out the installation location between first drilling rod 1 and the second drilling rod 4, and antiskid groove 6 has been seted up in the outside of clamping limiting groove 5, can increase stability when the centre gripping.
Referring to fig. 5, a chute is provided in the other side of the first drill rod 1, the inner side of the sealing limiting plate 7 is movably sleeved between the inner nut 9 of the chute and the outer side of the first drill rod 1 for being in threaded limited connection, the positioning pin 8 passes through the other side of the first drill rod 1 and is movably sleeved in the inner side of one side of the second drill rod 4, the groove is provided on the outer side of the first drill rod 1 and drives the sealing limiting plate 7 to be movably sleeved in the groove, when in use, the sealing limiting plate 7 is pushed to move to one side and the positioning pin 8 is driven to move to the inner side of the first drill rod 1, so that when the first drill rod 1 and the second drill rod 4 are driven to perform threaded rotation, the obstruction is reduced, and after the first drill rod 1 and the second drill rod 4 are subjected to threaded limitation, the sealing limiting plate 7 is pushed, the positioning pin 8 is driven to be movably sleeved in the groove provided in one side of the second drill rod 4, the position between the first drill rod 1 and the second drill rod 4 can be driven to be limited, the problem that the drill rods loosen and fall off when rotating is avoided, the nut 9 is rotated, the position of the sealing limiting plate 7 is pushed to be limited, and the stability of limiting the position of the sealing limiting plate 7 can be driven.
Referring to fig. 1 and 3, gear limiting disc 10 comprises two semicircular baffles, gear limiting disc 10 can rotate around the outside of hinge 13, the recess is seted up to the outside of second drilling rod 4, it is connected to mutually support between interior restricted slot 12 and the recess, constitute by two semicircle baffles through driving gear limiting disc 10, and drive gear limiting disc 10 activity cup joint in the outside of second drilling rod 4, and install interior restricted slot 12 in the inside of gear limiting disc 10 has been seted up, and mutually support between interior restricted slot 12 and the recess and be connected, can drive gear limiting disc 10 and install when the outside at second drilling rod 4, conveniently prescribe a limit to, avoid the position of gear limiting disc 10 to squint, can drive the later stage when installing or dismantling the position between first drilling rod 1 and the second drilling rod 4, can drive second drilling rod 4 position and prescribe a limit to carry out supplementary effect.
Referring to fig. 3 and 4, a positioning push rod 14 and a positioning jacket 15 are respectively fixedly connected between the connecting positions of the other sides of the two gear limiting discs 10, one movable limiting plate 17 is installed at each of the two sides of the inside of the positioning push rod 14, a spring 16 is clamped between the two movable limiting plates 17, chamfers are arranged outside the movable limiting plates 17, the outer sides of the movable limiting plates 17 are movably sleeved inside the positioning jacket 15, the positioning push rod 14 and the positioning jacket 15 are respectively and fixedly connected to the other sides of the two gear limiting discs 10 by driving, when limiting is carried out between the gear limiting discs 10, the positioning push rod 14 is driven to be movably sleeved inside the positioning jacket 15, meanwhile, the movable limiting plates 17 are extruded and contracted towards the inside of the positioning push rod 14, the movable limiting plates 17 can be conveniently driven to be clamped inside the positioning jacket 15, and the stability can be increased when the two gear limiting discs 10 are driven to be installed, meanwhile, when the gear limiting discs 10 are loosened, the gear limiting discs can be pulled outwards, the movable limiting plates 17 are driven to move inwards under the action of pressure, the positioning push rods 14 are driven to deviate from the inner part of the positioning jacket 15, and the two gear limiting discs 10 can be driven to contract.
Referring to fig. 3, teeth of a cogwheel 11 are installed to one side of gear limiting plate 10, a circular is constituteed to two gear limiting plate 10, gear limiting plate 10 centre gripping is in the inside of internal gear limiting plate, teeth of a cogwheel 11 cup joints in the inside of internal gear plate, assemble into circular back through driving gear limiting plate 10, and the teeth of a cogwheel 11 activity that drives gear limiting plate 10 installation cup joints in the inside of internal gear plate, can drive and splice between internal gear plate and the teeth of a cogwheel 11, can drive the position of gear limiting plate 10 and prescribe a limit to, thereby avoid second drilling rod 4 to rotate, can drive first drilling rod 1 and rotate the back, can drive and separate or carry out the effect of installing between first drilling rod 1 and the second drilling rod 4.
Refer to fig. 5 and 6, the inside fixedly connected with of first drilling rod 1 opposite side stereotypes 18, stereotype 18 and install the inside of seting up the recess in first drilling rod 1 one side inside, stereotype 18 activity cup joints the inside at sealed limiting plate 7 opposite side, through the inside fixedly connected with stereotype 18 with first drilling rod 1 opposite side, and drive stereotype 18 and install the inside at the recess, and drive the inside of stereotype 18 joint at sealed limiting plate 7, can be when sealed limiting plate 7 is in first drilling rod 1 outside activity, avoid sealed limiting plate 7's position skew to appear, can increase the steadiness when the sealed limiting plate 7 of device removes.
The working principle is as follows: when the device is used, the gear limiting disc 10 is movably sleeved on the outer part of the upper part of the second drill rod 4, the gear limiting disc 10 is driven to form a circle, the positioning push rod 14 is driven to movably sleeve the inner part of the positioning jacket 15, the movable limiting plate 17 is driven to move outwards under the elastic action of the spring 16, clamping limitation can be realized, the position between the two gear limiting discs 10 can be driven to be limited, the angle of the gear limiting disc 10 is adjusted at the same time, the gear limiting disc 10 is driven to movably sleeve the inner part of the inner gear disc, the gear teeth 11 and the inner gear disc are driven to be clamped and limited, the position of the second drill rod 4 can be driven to be limited, the outer clamping limiting device provided with the clamping limiting groove 5 outside the first drill rod 1 can be driven, the position of the first drill rod 1 can be driven to be adjusted, and the first drill rod 1 is driven to rotate, support and drive and carry out the screw thread between first drilling rod 1 and the second drilling rod 4 and prescribe a limit to, and drive and splice each other between first drilling rod 1 and the second drilling rod 4 after, promote sealed limiting plate 7, drive the inside of locating pin 8 joint at the second drilling rod 4, can drive sealed limiting plate 7 and prescribe a limit to the position between first drilling rod 1 and the second drilling rod 4, and rotate nut 9, can drive the position of sealed limiting plate 7 and prescribe a limit to, the skew appears in the position of avoiding sealed limiting plate 7, support can drive the position between first drilling rod 1 and the second drilling rod 4 and carry out the centre gripping and prescribe a limit.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a water and electricity is raise boring machine drilling rod structure for system, includes first drilling rod (1), its characterized in that: the drill rod structure is characterized in that a thread limiting groove (2) is formed in one side of the first drill rod (1), a threaded rod (3) is fixedly connected to the other side of the first drill rod (1), a second drill rod (4) is sleeved on the outer side of the other side of the threaded rod (3), a clamping limiting groove (5) is formed in the outer side of the first drill rod (1), an anti-skidding groove (6) is formed in the inner side of the clamping limiting groove (5), a sealing limiting plate (7) is sleeved on the outer side of the other side of the first drill rod (1), a positioning pin (8) is fixedly connected to the other side of the sealing limiting plate (7), a nut (9) is mounted on the outer side of one side of the sealing limiting plate (7), a gear limiting disc (10) is sleeved on the outer side of the second drill rod (4), an inner limiting groove (12) is formed in the inner side of the gear limiting disc (10), and a hinge (13) is fixedly connected to the outer side of the gear limiting disc (10), the gear limiting plate is characterized in that a positioning push rod (14) is fixedly connected to the other side of the gear limiting plate (10), a positioning jacket (15) is movably sleeved outside the positioning push rod (14), a spring (16) is installed inside the positioning push rod (14), and a movable limiting plate (17) is installed on the outer side of the spring (16).
2. The raise boring machine drill rod structure for a hydroelectric system according to claim 1, characterized in that: the structure between first drilling rod (1) and second drilling rod (4) is the same, screw thread limit groove (2) are seted up to the inside of second drilling rod (4) one side, threaded rod (3) activity of first drilling rod (1) opposite side installation cup joints the inside of seting up screw thread limit groove (2) in second drilling rod (4) one side, the outside of threaded rod (3) is seted up threadedly.
3. The raise boring machine drill rod structure for a hydroelectric system according to claim 1, characterized in that: six clamping limiting grooves (5) are formed in the outer portions of the upper portion and the lower portion of the first drill rod (1), four groups of anti-skidding grooves (6) are formed in the outer portions of the clamping limiting grooves (5), and the anti-skidding grooves (6) are in a bending winding shape.
4. The raise boring machine drill rod structure for a hydroelectric system according to claim 1, characterized in that: the drill pipe structure is characterized in that a sliding groove is formed in the other side of the first drill pipe (1), the inner side of the sealing limiting plate (7) is movably sleeved in the sliding groove, the screw cap (9) is in threaded limiting connection with the outer side of the first drill pipe (1), and the positioning pin (8) penetrates through the other side of the first drill pipe (1) and is movably sleeved in the inner side of one side of the second drill pipe (4).
5. The raise boring machine drill rod structure for a hydroelectric system according to claim 1, characterized in that: the gear limiting disc (10) is composed of two semicircular baffles, the gear limiting disc (10) can rotate around the outside of the hinge (13), a groove is formed in the outside of the second drill rod (4), and the inner limiting groove (12) is connected with the groove in a matched mode.
6. The raise boring machine drill rod structure for a hydroelectric system according to claim 1, characterized in that: the positioning push rod (14) and the positioning jacket (15) are respectively and fixedly connected between the connecting parts of the other sides of the two gear limiting discs (10), one movable limiting plate (17) is arranged on each of the two sides of the inside of the positioning push rod (14), the spring (16) is clamped between the two movable limiting plates (17), a chamfer is arranged outside each movable limiting plate (17), and the outer side of each movable limiting plate (17) is movably sleeved inside the corresponding positioning jacket (15).
7. The raise boring machine drill rod structure for a hydroelectric system according to claim 1, characterized in that: teeth of a cogwheel (11) are installed to one side of gear limit dish (10), two a circular is constituteed in gear limit dish (10), gear limit dish (10) centre gripping is in the inside of internal gear limit dish, the inside at the internal gear dish is cup jointed in teeth of a cogwheel (11).
8. The raise boring machine drill rod structure for a hydroelectric system according to claim 1, characterized in that: the inside fixedly connected with of first drilling rod (1) opposite side stereotypes board (18), stereotype board (18) are installed in the inside recess of seting up in first drilling rod (1) one side, stereotype board (18) activity cup joint in the inside of sealed limiting plate (7) opposite side.
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| CN202111464801.XA CN114233206B (en) | 2021-12-03 | 2021-12-03 | Drilling rod structure of well reversing drilling machine for hydroelectric system |
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| CN202111464801.XA CN114233206B (en) | 2021-12-03 | 2021-12-03 | Drilling rod structure of well reversing drilling machine for hydroelectric system |
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| CN114233206B CN114233206B (en) | 2023-07-28 |
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| CN109184577A (en) * | 2018-11-06 | 2019-01-11 | 江苏和信石油机械有限公司 | A kind of anti-well drilling machine of plug-in |
| CN210509066U (en) * | 2019-05-31 | 2020-05-12 | 南京科工煤炭科学技术研究有限公司 | Special high-strength raise boring machine drill rod for construction of mine deep well |
| CN111594033A (en) * | 2020-05-21 | 2020-08-28 | 宁夏天地奔牛实业集团有限公司 | Raise boring machine capable of automatically assembling and disassembling drill rod |
| CN212406625U (en) * | 2020-05-21 | 2021-01-26 | 宁夏天地奔牛实业集团有限公司 | Drill rod conveying device of raise boring machine |
| CN212985127U (en) * | 2020-08-23 | 2021-04-16 | 西安建材地质工程勘察院有限公司 | Hydrogeological exploration drilling tool |
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| CN112878931A (en) * | 2021-01-25 | 2021-06-01 | 成都大学 | Tool for installing drill rod of raise boring machine, raise boring machine and using method thereof |
| CN113153160A (en) * | 2021-03-18 | 2021-07-23 | 江苏和信石油机械有限公司 | Roller bit drill rod for roller bit rig |
| CN214997494U (en) * | 2021-06-15 | 2021-12-03 | 菲瑞斯(武汉)科技有限公司 | Special high-strength raise boring machine drill rod for construction of mine deep well |
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