CN118564192B - Drill rod connecting device for down-the-hole drill - Google Patents
Drill rod connecting device for down-the-hole drill Download PDFInfo
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- CN118564192B CN118564192B CN202411038435.5A CN202411038435A CN118564192B CN 118564192 B CN118564192 B CN 118564192B CN 202411038435 A CN202411038435 A CN 202411038435A CN 118564192 B CN118564192 B CN 118564192B
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- 210000001503 joint Anatomy 0.000 claims abstract description 18
- 238000005553 drilling Methods 0.000 claims description 20
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
- E21B17/0465—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches characterised by radially inserted locking elements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of drill rod connectors, in particular to a drill rod connecting device for a down-the-hole drill, which comprises an outer joint and a drill rod, wherein a connecting structure is arranged between the outer joint and the drill rod, the connecting structure comprises an annular part, a positioning part is arranged on the annular part, a collision part is arranged on the drill rod, a clamping part is arranged on the collision part, a limiting part is arranged on the lower end face of the positioning part, the annular part comprises a mounting ring, the upper end face of the mounting ring is an inclined face, an opening is formed in the outer wall of the mounting ring in a surrounding manner, the collision part comprises a connecting part, and the upper end face of the connecting part is provided with a butt joint part.
Description
Technical Field
The invention relates to the technical field of drill rod connection, in particular to a drill rod connection device for a down-the-hole drill.
Background
The drilling machine is mechanical equipment for driving a drill bit to drill in any direction in geological exploration and acquiring physical geological data, the main function of the drilling machine is to crush bottom rock, put in or put out a drilling tool, and the down-the-hole drilling machine is used as new equipment for construction.
Because the drilling rod is required to be continuously disassembled and assembled and lifted in the drilling process, the existing drilling rod is of a common steel integral structure, the whole length is too long, along with the standardization of the drilling rod and the connector, the integration degree of accessories is higher and higher, the rapid disassembly structure is adopted in the mounting process of the drilling rod, the rapid disassembly efficiency of equipment can be effectively improved, and the use and the carrying of tools can be reduced in the equipment maintenance process, so that the drilling rod connecting device for the down-the-hole drill is provided.
Disclosure of Invention
The present invention has been made in view of the above or the problem of inconvenience in bit replacement in the prior art.
It is therefore an object of the present invention to provide a drill rod connection for a down-the-hole drill.
In order to solve the technical problems, the invention provides the following technical scheme: including rig, external connection and drilling rod, be provided with connection structure between external connection and the drilling rod, connection structure is including setting up the annular on the external connection, be provided with the setting element on the annular, be provided with the conflict piece of cooperation annular on the drilling rod, conflict piece up end is provided with the fastener, the terminal surface is provided with cooperation card cooperation locating part under the setting element, the annular is including setting up the collar on the external connection, the collar up end is the inclined plane, encircle being equipped with a plurality of openings on the collar outer wall, the fastener supports correspondingly in the opening, the conflict piece is including setting up the connecting portion on the drilling rod, the connecting portion up end is provided with the butt joint portion, the collar is corresponding with the cooperation of butt joint portion.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: still include location structure, location structure is including setting up the plug-in components in the setting element, be provided with multiunit auxiliary member on the plug-in components, be provided with the multiunit locking piece of cooperation auxiliary member in the conflict piece, the quantity one-to-one of block piece and locating part, the quantity one-to-one of auxiliary member and locking piece, locating part and auxiliary member synchronous rotation same angle for both cooperation of block piece and locating part, both cooperation of locking piece and auxiliary member.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: the locating piece is including setting up the annular limit on the outer joint, annular limit is provided with the lantern ring board, form the activity chamber between lantern ring board and the outer joint, lantern ring board inner wall top is provided with the torsional spring, torsional spring one end sets up at annular limit up terminal surface.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: the clamping piece comprises a clamping block which is arranged on the upper end face of the butt joint part in a surrounding mode, the upper end face of the clamping block is fixedly connected with a clamping hook, a clamping groove is formed in the clamping hook, and the clamping piece correspondingly abuts against the opening.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: the locating part is including encircling the movable mouth of establishing at annular edge terminal surface, the lantern ring inboard wall top is provided with spacing in the position of movable mouth, spacing one end is provided with the conflict piece, be equipped with conflict groove in the conflict piece, the conflict piece is corresponding cooperatees with the pothook, the conflict piece constitutes interlocking structure with the pothook.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: the limiting bar is internally provided with an inclined hole, the inclined hole is internally provided with an inclined bar, the inclined bar limits the position of the limiting bar, one end of the inclined bar is provided with a fixing bar, one end of the fixing bar is arranged on the annular edge, and the fixing bar is arranged at the side edge of the movable opening.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: the plug-in unit comprises a through hole arranged in the outer joint, an opening is formed in the outer wall of the outer joint in a surrounding mode, the through hole is correspondingly communicated with the opening, connecting plates are correspondingly arranged on the inner wall of the lantern ring plate, and plug rods are correspondingly arranged in the middle positions of the three groups of connecting plates.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: the auxiliary piece comprises an auxiliary plate which is arranged on the outer wall of the inserted link in a surrounding mode, an auxiliary groove is formed in the auxiliary plate, a conical plate is arranged on the outer wall of the inserted link, and the conical plate is arranged right above the auxiliary plate.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: the locking piece comprises a locking groove arranged on the connecting part and the butt joint part, a conical sleeve is arranged in the locking groove, a clamping area is formed between the conical sleeve and the inner wall of the locking groove, the conical sleeve is correspondingly matched with a conical plate, and the conical plate is correspondingly abutted in the clamping area.
As a preferred embodiment of the drill rod connection device for a down-the-hole drill of the present invention, wherein: the inner side of the conical sleeve is circumferentially provided with a rib, the side edge of the rib is fixedly connected with a locking strip, the locking strip is perpendicular to the direction of the rib, and the locking strip correspondingly abuts against the auxiliary groove.
The drill rod connecting device for the down-the-hole drill has the beneficial effects that: according to the invention, the clamping piece is aligned with the position of the opening, the positioning piece is rotated, the inserting piece in the positioning piece synchronously rotates, the clamping piece and the limiting piece form dislocation at the moment, after the butt joint between the outer joint and the drill rod is completed, the positioning piece returns to the original position, the interference of the clamping piece and the limiting piece is realized, the primary locking of the outer joint and the drill rod is completed, the auxiliary piece on the inserting piece is driven to synchronously move while the positioning piece is reset, the locking piece correspondingly abuts into the auxiliary piece at the moment, the secondary locking of the outer joint and the drill rod is realized, and the clamping piece and the limiting piece are not interfered any more by rotating the positioning piece during unlocking, and meanwhile, the locking piece is separated from the auxiliary piece, so that the disassembly between the outer joint and the drill rod is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall schematic of a drill rod connection for a down-the-hole drill.
Fig. 2 is a schematic view of the drill rod structure of the drill rod connection device for the down-the-hole drill.
FIG. 3 is a schematic view of a partially cut-away construction of a drill rod connection for a down-the-hole drill.
Fig. 4 is a schematic view of the outer joint and drill rod interfacing structure of the drill rod connection device for the down-the-hole drill.
Fig. 5 is a schematic view of the internal structure of the positioning member of the drill rod connecting device for the down-the-hole drill.
FIG. 6 is a schematic view of the mating structure of the auxiliary member and the locking member of the drill rod connecting apparatus for a down-the-hole drill.
Fig. 7 is a schematic diagram of the structure of the limiting member of the drill rod connecting device for the down-the-hole drill.
Fig. 8 is a schematic view of the bottom view of the drill rod connection device for the down-the-hole drill.
Fig. 9 is an enlarged schematic view of the drill rod connection device for a down-the-hole drill shown in fig. 8 at a.
In the figure: 100. an outer joint; 101. a drill rod; 200. a connection structure; 201. a ring member; 202. a positioning piece; 203. a contact member; 204. a clamping piece; 205. a limiting piece; 300. a positioning structure; 400. a drilling machine; 301. an insert; 302. an auxiliary member; 303. a locking member; 201a, a mounting ring; 201b, inclined surfaces; 201c, openings; 202a, annular edges; 202b, collar plate; 202c, an active cavity; 202d, torsion springs; 203a, a connection portion; 203b, a butt joint part; 204a, a clamping block; 204b, hooks; 204c, a clamping groove; 205a, a movable port; 205b, a limit bar; 205c, a collision block; 205d, an interference groove; 205e, inclined holes; 205f, tilt lever; 205g, a fixed rod; 301a, a port; 301b, opening holes; 301c, connecting plates; 301d, inserting a rod; 302a, an auxiliary plate; 302b, auxiliary grooves; 302c, conical plates; 303a, locking grooves; 303b, a conical sleeve; 303c, ribs; 303d, locking bar.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Embodiment 1, referring to fig. 1 to 5, in a first embodiment of the present invention, the present invention provides a drill rod connecting device for a down-the-hole drill, which can achieve the effect of stably connecting an external joint 100 and a drill rod 101, including a drill 400, the external joint 100 and the drill rod 101, a connecting structure 200 is provided between the external joint 100 and the drill rod 101, the connecting structure 200 includes an annular member 201 provided on the external joint 100, a positioning member 202 is provided on the annular member 201, an abutting member 203 matching with the annular member 201 is provided on the drill rod 101, a clamping member 204 is provided on an upper end surface of the abutting member 203, and a limiting member 205 matching with the clamping member 204 is provided on a lower end surface of the positioning member 202.
According to the invention, the structure of outer joint 100 and drill rod 101 is further improved, by arranging annular piece 201 and positioning piece 202 on outer joint 100, arranging abutting piece 203 and clamping piece 204 at the upper end of drill rod 101, arranging limiting piece 205 at the lower end of positioning piece 202, when outer joint 100 and drill rod 101 are in butt joint, preliminary positioning of outer joint 100 and drill rod 101 is realized through cooperation of annular piece 201 and abutting piece 203, meanwhile, outer joint 100 and drill rod 101 are connected more tightly and stably through cooperation of clamping piece 204 and limiting piece 205, and meanwhile, positioning structure 300 is also arranged, and on the basis of connecting structure 200, the locking effect between outer joint 100 and drill rod 101 is improved.
The ring 201 includes the collar 201a of fixed connection on outer joint 100, and collar 201a up end is inclined plane 201b, and the ring 201a is equipped with a plurality of openings 201c around on the outer wall, and when outer joint 100 and drilling rod 101 butt joint, in the corresponding opening 201c that supports of block 204, the conflict piece 203 includes connecting portion 203a of fixed connection on drilling rod 101, connecting portion 203a up end fixedly connected with butt joint portion 203b, and collar 201a correspondingly cooperates with butt joint portion 203 b.
As can be seen from fig. 4, the mounting ring 201a is in an annular structure and is fixedly encircling the outer wall of the outer joint 100, the upper end face of the mounting ring 201a is an inclined face 201b, the outer wall of the mounting ring 201a is encircling provided with openings 201c, the number of the openings 201c is required to be greater than 4 for the connection stability of the outer joint 100 and the drill rod 101, so that the clamping piece 204 can be used for installing the outer joint 100 and the drill rod 101 when abutting against the openings 201c, and a better locking effect is achieved.
Specifically, the invention further comprises a positioning structure 300, the positioning structure 300 comprises an inserting part 301 arranged in the positioning part 202, an auxiliary part 302 is arranged on the inserting part 301, a locking part 303 matched with the auxiliary part 302 is arranged in the abutting part 203, the connection state of the external joint 100 and the drill rod 101 is further refined, the inserting part 301 capable of rotating along with the inserting part 301 is arranged in the positioning part 202, simultaneously, three groups of auxiliary parts 302 are circumferentially arranged on the outer wall of the inserting part 301, the locking part 303 matched with the external joint 100 is arranged in the abutting part 203, and when the external joint 100 and the drill rod 101 are in butt joint, the locking part 303 correspondingly abuts against the auxiliary part 302, so that stable butt joint between the external joint 100 and the drill rod 101 is realized.
In summary, when outer joint 100 and drill pipe 101 are connected, first, the positions of clamping piece 204 and opening 201c are aligned, then positioning piece 202 is rotated, insert piece 301 in positioning piece 202 is rotated synchronously, at this time, clamping piece 204 and limiting piece 205 are dislocated, after outer joint 100 and drill pipe 101 are in butt joint, positioning piece 202 returns to the original position, interference of clamping piece 204 and limiting piece 205 is achieved, primary locking of outer joint 100 and drill pipe 101 is achieved, auxiliary piece 302 on insert piece 301 is driven to move synchronously while positioning piece 202 is reset, at this time locking piece 303 correspondingly abuts into auxiliary piece 302, secondary locking of outer joint 100 and drill pipe 101 is achieved, and at the same time, locking piece 303 is separated from auxiliary piece 302 by rotating positioning piece 202, so that detachment between outer joint 100 and drill pipe 101 is achieved.
In particular, when in use, since the positioning element 202 and the inserting element 301 are connected, and three sets of auxiliary elements 302 are circumferentially arranged on the outer wall of the inserting element 301, when the positioning element 202 moves, the inserting element 301 and the auxiliary elements 302 move synchronously, and on the premise that the positioning element 202 returns to the original position, the clamping element 204 and the limiting element 205 collide at the moment, as shown in the embodiment 2, the clamping element 204 and the limiting element 205 collide, that is, the abutting block 205c and the clamping hook 204b form an interlocking structure, and meanwhile, due to the rotation of the auxiliary elements 302, the locking element 303 passively abuts against the auxiliary elements 302, as shown in the embodiment 3, the locking strip 303d correspondingly inserts into the auxiliary groove 302b, and thus the external joint 100 and the drill rod 101 are fixed through secondary locking.
Embodiment 2 referring to fig. 3 to 9, in a second embodiment of the present invention, unlike the previous embodiment, the embodiment provides a positioning member 202 of a drill rod connection device for a down-the-hole drill, where the positioning member 202 includes an annular edge 202a fixedly connected to an outer joint 100, an upper end surface of the annular edge 202a is rotatably connected to a collar plate 202b, a movable cavity 202c is formed between the collar plate 202b and the outer joint 100, a torsion spring 202d is fixedly connected to an inner wall top end of the collar plate 202b, and one end of the torsion spring 202d is fixedly connected to an upper end surface of the annular edge 202 a.
As can be seen from fig. 3 to fig. 5, the annular edge 202a is an annular structure fixedly connected to the outer wall of the outer joint 100, the upper end surface of the annular edge 202a is rotationally connected with a collar plate 202b, the interior of the collar plate 202b is hollow, a movable cavity 202c is formed between the collar plate 202b and the outer joint 100, the flexibility of the collar plate 202b during movement is ensured through a reserved space of the movable cavity 202c, meanwhile, the top end of the inner wall of the collar plate 202b is fixedly connected with a torsion spring 202d, one end of the torsion spring 202d is connected to the upper end surface of the annular edge 202a, the torsion spring 202d is a carbon spring, the strength is high, the daily use is convenient, the collar plate 202b is reset after the pressure is relieved by the restoring force of the torsion spring 202d, and the spring force of the torsion spring 202d is larger than the centrifugal force caused by the rotation of the down-the hole drill, namely, the collision state of the clamping piece 204 and the limiting piece 205 cannot be influenced by the rotation speed of the down-hole drill during practical use.
Before rotating collar plate 202b, torsion spring 202d has been deformed, and as can be seen from fig. 5 and 6, the limit 205b in collar plate 202b is limited in movable opening 205a, so that in the initial state, torsion spring 202d stores elastic potential energy, and the spring force of torsion spring 202d is greater than centrifugal force caused by rotation of the down-the-hole drill, when outer joint 100 and drill rod 101 are in butt joint, torsion spring 202d is further compressed and stores elastic potential energy by rotating collar plate 202b, and when the butt joint between outer joint 100 and drill rod 101 is completed, secondary locking is realized by the spring force of torsion spring 202d, thereby achieving integral fixing of the device.
Specifically, the clamping piece 204 includes a clamping block 204a surrounding and fixedly connected to the upper end surface of the abutting portion 203b, the upper end surface of the clamping block 204a is fixedly connected with a clamping hook 204b, a clamping groove 204c is formed in the clamping hook 204b, the clamping piece 204 correspondingly abuts against the opening 201c, the limiting piece 205 includes a movable opening 205a surrounding and arranged on the lower end surface of the annular edge 202a, as can be seen from fig. 5 and 6, a limiting strip 205b is fixedly connected to the top end of the inner wall of the collar plate 202b at the position of the movable opening 205a, the limiting strip 205b penetrates through the movable opening 205a, one end of the limiting strip 205b is fixedly connected with a collision block 205c, a collision groove 205d is formed in the collision block 205c, the collision block 205c correspondingly cooperates with the clamping hook 204b, and the collision block 205c and the clamping hook 204b form an interlocking structure.
As can be seen from fig. 4 and fig. 6, the upper end surface of the abutting portion 203b is fixedly connected with a plurality of groups of clamping blocks 204a and clamping hooks 204b, the clamping blocks 204a and the clamping hooks 204b move upwards and simultaneously abut against the inside of the opening 201c, the abutting portion 203b and the mounting ring 201a are locked, the rotation of the outer joint 100 drives the drill pipe 101 to rotate synchronously, the clamping hooks 204b are provided with clamping grooves 204c, the abutting blocks 205c are provided with abutting grooves 205d, the abutting blocks 205c correspondingly cooperate with the clamping hooks 204b, and the abutting blocks 205c and the clamping hooks 204b form an interlocking structure, so that the connection state of the outer joint 100 and the drill pipe 101 is locked.
For the stability of connection, the number of the clamping blocks 204a needs to be greater than 4, the clamping blocks 204a are annularly distributed around the upper end face of the abutting portion 203b, meanwhile, the number of the abutting blocks 205c needs to be equal to the number of the clamping blocks 204a, the positions correspond to each other one by one, the connection strength and stability of the abutting blocks 205c and the clamping hooks 204b are guaranteed, and in the prior art, the outer joint 100 and the drill pipe 101 can be connected in various modes, such as buckling and threaded connection.
The limiting bar 205b is internally provided with an inclined hole 205e, the inclined hole 205e is internally provided with an inclined bar 205f, the inclined bar 205f limits the position of the limiting bar 205b, one end of the inclined bar 205f is fixedly connected with a fixed bar 205g, one end of the fixed bar 205g is fixedly connected to the annular edge 202a, the fixed bar 205g is arranged at the side edge of the movable opening 205a, as can be seen from fig. 7 and 9, the angles of the fixed bar 205g and the inclined bar 205f are acute angles, when the collar plate 202b rotates, the fixed bar 205g and the inclined bar 205f are used for positioning the moving direction of the abutting block 205c, so that the abutting block 205c moves along the direction of the inclined bar 205f during rotation, and the clamping hook 204b and the abutting block 205c form a dislocation clamping structure.
The rest of the structure is the same as in embodiment 1.
In summary, as shown in embodiment 1, when the outer joint 100 and the drill pipe 101 are connected, the positions of the clamping block 204a and the opening 201c are aligned, then the collar plate 202b is rotated, the collar plate 202b rotates to drive the abutting block 205c on the limiting bar 205b to rotate, at this time, the clamping block 204a and the abutting block 205c are dislocated, then the clamping block 204a correspondingly penetrates through the opening 201c, the abutting portion 203b and the mounting ring 201a are locked, then the collar plate 202b is reset, so that the hooks 204b corresponding to the abutting block 205c are matched, locking of the outer joint 100 and the drill pipe 101 is completed, and then the locking piece 303 correspondingly abuts against the auxiliary piece 302, so that stable abutting between the outer joint 100 and the drill pipe 101 is realized.
Embodiment 3, referring to fig. 3 to 8, in a third embodiment of the present invention, unlike the previous embodiment, this embodiment provides a drill rod connection device for a down-the-hole drill, and further improves the connection state between the outer joint 100 and the drill rod 101, including the insert 301 of the drill rod connection device for a down-the-hole drill in the previous embodiment, where the insert 301 includes a through hole 301a in the outer joint 100, an opening 301b is formed around the outer wall of the outer joint 100, the through hole 301a is correspondingly communicated with the opening 301b, a connection plate 301c is fixedly connected to the inner wall of the collar plate 202b, and an insert 301d is fixedly connected to the middle position of the three groups of connection plates 301 c.
As can be seen from fig. 3 and fig. 5, a circular hole-shaped through hole 301a is formed at the top end of the outer joint 100, a plurality of groups of openings 301b are formed on the outer wall of the outer joint 100 in a surrounding manner, the through holes 301a are correspondingly communicated with the openings 301b, three groups of connecting plates 301c are distributed on the inner wall of the collar plate 202b, the three groups of connecting plates 301c correspondingly penetrate through the through holes 301a and the openings 301b, meanwhile, a plug rod 301d is fixedly connected to the middle position of the three groups of connecting plates 301c, and when the collar plate 202b rotates, the plug rod 301d in the middle of the connecting plates 301c is driven to rotate.
Specifically, the auxiliary member 302 includes an auxiliary plate 302a fixedly connected to the outer wall of the insert rod 301d, an auxiliary groove 302b is provided in the auxiliary plate 302a, a tapered plate 302c is fixedly connected to the outer wall of the insert rod 301d, the tapered plate 302c is made of soft rubber, the tapered plate 302c is provided right above the auxiliary plate 302a, as can be seen from fig. 6, the auxiliary plate 302a is in a strip-shaped structure, the auxiliary groove 302b in the auxiliary plate 302a and the insert rod 301d form a fixing area, and the locking member 303 abuts against the fixing area to lock the external joint 100 and the drill pipe 101.
Further, the locking piece 303 includes a locking groove 303a provided at the connecting portion 203a and the abutting portion 203b, a tapered sleeve 303b is fixedly connected in the locking groove 303a, a clamping area is formed between the tapered sleeve 303b and an inner wall of the locking groove 303a, the tapered sleeve 303b is correspondingly matched with the tapered plate 302c, the tapered plate 302c is correspondingly abutted in the clamping area, a rib 303c is fixedly connected around the inner side of the tapered sleeve 303b, a locking strip 303d is fixedly connected to a side edge of the rib 303c, the locking strip 303d is perpendicular to a direction of the rib 303c, and the locking strip 303d is correspondingly abutted in the auxiliary groove 302 b.
The invention further limits the structure of the connecting part 203a and the abutting part 203b, a circular hole-shaped locking groove 303a is arranged in the connecting part, a conical sleeve 303b is fixedly connected to the inner wall of the locking groove 303a, the diameter of the conical sleeve 303b is sequentially reduced from bottom to top, a clamping area is formed between the conical sleeve 303b and the inner wall of the locking groove 303a, a conical plate 302c made of soft rubber material is extruded into the clamping area to ensure the positioning of the inserting rod 301d, meanwhile, the structure of the conical sleeve 303b is further thinned, three groups of ribs 303c are fixedly connected to the inner side of the conical sleeve 303b, the ribs 303c are in an oblique triangle structure, the side edges of the ribs 303c are fixedly connected with locking strips 303d, and the locking strips 303d are perpendicular to the ribs 303c, so that when an auxiliary plate 302a on the inserting rod 301d rotates, the locking strips 303d on the side edges of the ribs 303c are correspondingly inserted into the auxiliary grooves 302 b.
The rest of the structure is the same as in embodiment 2.
In summary, as shown in embodiment 2, when the hooks 204b corresponding to the abutting blocks 205c are matched, the preliminary locking of the outer joint 100 and the drill pipe 101 is completed, and meanwhile, the tapered plate 302c made of soft rubber material is extruded into the clamping area, and the auxiliary plate 302a on the insert rod 301d moves downward, and the auxiliary plate 302a and the rib 303c are located in the same direction, and when the collar plate 202b is reset, the locking strip 303d at the side of the rib 303c is correspondingly inserted into the auxiliary groove 302b, so that the re-fixing of the outer joint 100 and the drill pipe 101 is completed, and the stability of the drill pipe 101 in use is ensured.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (9)
1. Drill rod connecting device for down-the-hole drill, including rig (400), its characterized in that: the drilling device comprises an outer joint (100) and a drilling rod (101), wherein a connecting structure (200) is arranged between the outer joint (100) and the drilling rod (101);
the connecting structure (200) comprises an annular piece (201) arranged on the outer joint (100), a positioning piece (202) is arranged on the annular piece (201), a collision piece (203) matched with the annular piece (201) is arranged on the drill rod (101), a clamping piece (204) is arranged on the upper end face of the collision piece (203), and a limiting piece (205) matched with the clamping piece (204) is arranged on the lower end face of the positioning piece (202);
The annular piece (201) comprises a mounting ring (201 a) arranged on the outer joint (100), the upper end face of the mounting ring (201 a) is an inclined face (201 b), a plurality of openings (201 c) are formed in the outer wall of the mounting ring (201 a) in a surrounding mode, the clamping piece (204) correspondingly abuts against the openings (201 c), the abutting piece (203) comprises a connecting portion (203 a) arranged on the drill rod (101), the upper end face of the connecting portion (203 a) is provided with a butt joint portion (203 b), and the mounting ring (201 a) correspondingly cooperates with the butt joint portion (203 b);
Still include location structure (300), location structure (300) are including setting up insert establish piece (301) in setting up piece (202), be provided with multiunit auxiliary member (302) on inserting establish piece (301), be provided with multiunit locking piece (303) of cooperation auxiliary member (302) in conflict piece (203), the quantity one-to-one of block piece (204) and locating part (205), the quantity one-to-one of auxiliary member (302) and locking piece (303), synchronous rotation same angle of locating part (205) and auxiliary member (302) for both cooperation of block piece (204) and locating part (205), both cooperation of locking piece (303) and auxiliary member (302).
2. The drill rod connection device for a down-the-hole drill according to claim 1, wherein: the locating piece (202) comprises an annular edge (202 a) arranged on the outer joint (100), a sleeve ring plate (202 b) is arranged on the annular edge (202 a), a movable cavity (202 c) is formed between the sleeve ring plate (202 b) and the outer joint (100), a torsion spring (202 d) is arranged at the top end of the inner wall of the sleeve ring plate (202 b), and one end of the torsion spring (202 d) is arranged on the upper end face of the annular edge (202 a).
3. The drill rod connection device for a down-the-hole drill according to claim 2, wherein: the clamping piece (204) comprises a clamping block (204 a) which is arranged on the upper end face of the abutting portion (203 b) in a surrounding mode, a clamping hook (204 b) is fixedly connected to the upper end face of the clamping block (204 a), and a clamping groove (204 c) is formed in the clamping hook (204 b).
4. A drill rod connection device for a down-the-hole drill as defined in claim 3, wherein: the limiting piece (205) comprises a movable opening (205 a) which is arranged on the upper end face of the annular edge (202 a) in a surrounding mode, a limiting strip (205 b) is arranged at the position, located at the movable opening (205 a), of the top end of the inner wall of the collar plate (202 b), an abutting block (205 c) is arranged at one end of the limiting strip (205 b), an abutting groove (205 d) is formed in the abutting block (205 c), the abutting block (205 c) is correspondingly matched with the clamping hook (204 b), and the abutting block (205 c) and the clamping hook (204 b) form an interlocking structure.
5. The drill rod connection device for a down-the-hole drill according to claim 4, wherein: the limiting strip (205 b) is internally provided with an inclined hole (205 e), the inclined hole (205 e) is internally provided with an inclined rod (205 f), the inclined rod (205 f) limits the position of the limiting strip (205 b), one end of the inclined rod (205 f) is provided with a fixed rod (205 g), one end of the fixed rod (205 g) is arranged on the annular edge (202 a), and the fixed rod (205 g) is arranged at the side edge of the movable opening (205 a).
6. The drill rod connection device for a down-the-hole drill according to claim 5, wherein: the inserting piece (301) comprises a through hole (301 a) arranged in the outer joint (100), an opening (301 b) is formed in the outer wall of the outer joint (100) in a surrounding mode, the through hole (301 a) is correspondingly communicated with the opening (301 b), connecting plates (301 c) are correspondingly arranged on the inner wall of the collar plate (202 b), inserting rods (301 d) are correspondingly arranged in the middle positions of the three groups of connecting plates (301 c), the connecting plates (301 c) penetrate through the opening (301 b), and the connecting plates (301 c) are arranged in the opening (301 a) and the opening (301 b).
7. The drill rod connection device for a down-the-hole drill according to claim 6, wherein: the auxiliary piece (302) comprises an auxiliary plate (302 a) which is arranged on the outer wall of the inserted link (301 d) in a surrounding mode, an auxiliary groove (302 b) is formed in the auxiliary plate (302 a), a conical plate (302 c) is arranged on the outer wall of the inserted link (301 d), and the conical plate (302 c) is arranged right above the auxiliary plate (302 a).
8. The drill rod connection device for a down-the-hole drill according to claim 7, wherein: the locking piece (303) comprises a locking groove (303 a) arranged on the connecting portion (203 a) and the abutting portion (203 b), a conical sleeve (303 b) is arranged in the locking groove (303 a), a clamping area is formed between the conical sleeve (303 b) and the inner wall of the locking groove (303 a), the conical sleeve (303 b) is correspondingly matched with a conical plate (302 c), and the conical plate (302 c) is correspondingly abutted in the clamping area.
9. The drill rod connection device for a down-the-hole drill according to claim 8, wherein: the inner side of the conical sleeve (303 b) is circumferentially provided with a rib (303 c), the side edge of the rib (303 c) is fixedly connected with a locking strip (303 d), the locking strip (303 d) is perpendicular to the direction of the rib (303 c), and the locking strip (303 d) correspondingly abuts against the auxiliary groove (302 b).
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| CN202411038435.5A CN118564192B (en) | 2024-07-31 | 2024-07-31 | Drill rod connecting device for down-the-hole drill |
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| CN202411038435.5A CN118564192B (en) | 2024-07-31 | 2024-07-31 | Drill rod connecting device for down-the-hole drill |
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| CN118855405B (en) * | 2024-09-23 | 2024-11-26 | 贵州开源爆破工程有限公司 | Positioning device for down-the-hole drill |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217106857U (en) * | 2021-06-10 | 2022-08-02 | 山河智能装备股份有限公司 | Drill rod auxiliary structure, drill rod and drilling machine |
| CN217652694U (en) * | 2022-01-11 | 2022-10-25 | 中交二公局第七工程有限公司 | A high-efficiency dust suppression mechanism for down-the-hole drilling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5284214A (en) * | 1992-09-25 | 1994-02-08 | Gundy Sr Joseph F Van | Drill pipe coupling apparatus |
| WO2010142038A1 (en) * | 2009-06-12 | 2010-12-16 | Atlas Copco Thiessen | Drill rod locking assembly |
| EP2905418A1 (en) * | 2014-02-11 | 2015-08-12 | Sandvik Intellectual Property AB | Drill string component coupling device |
| EP3910160B1 (en) * | 2020-05-12 | 2023-11-15 | BAUER Maschinen GmbH | Drill string coupling and method for operating the drill string coupling |
| CN218780308U (en) * | 2022-12-26 | 2023-03-31 | 周新宇 | Handling device of drilling rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217106857U (en) * | 2021-06-10 | 2022-08-02 | 山河智能装备股份有限公司 | Drill rod auxiliary structure, drill rod and drilling machine |
| CN217652694U (en) * | 2022-01-11 | 2022-10-25 | 中交二公局第七工程有限公司 | A high-efficiency dust suppression mechanism for down-the-hole drilling |
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