CN117266752A - Inertial built-in gear reaming anchor rod drill bit device - Google Patents
Inertial built-in gear reaming anchor rod drill bit device Download PDFInfo
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- CN117266752A CN117266752A CN202311498230.0A CN202311498230A CN117266752A CN 117266752 A CN117266752 A CN 117266752A CN 202311498230 A CN202311498230 A CN 202311498230A CN 117266752 A CN117266752 A CN 117266752A
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- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 238000005553 drilling Methods 0.000 claims abstract description 34
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000007921 spray Substances 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 6
- 238000013459 approach Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
-
- 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
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
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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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses an inertial built-in gear reaming anchor bit device, which belongs to the technical field of drilling devices and is used for solving the technical problems that the reaming anchor bit continuously operates and rubs to generate heat due to the influence of the material, hardness and surrounding operation environment of a drilling object, the service life of the reaming anchor bit is influenced, and the drilling efficiency is interfered; the invention comprises a connecting cylinder rod, wherein a shunt support is arranged at the bottom of the connecting cylinder rod, and a middle cylinder and an inner cylinder which are sleeved in the connecting cylinder rod are arranged at the top of the shunt support; the invention can guide external low-temperature water flow and air by using the auxiliary spray holes of the outer injection cavity and the inner injection cavity, realize water-gas linkage type heat absorption, heat exchange and cooling treatment on the area above the drill bit main body, is beneficial to over-temperature protection of continuous operation of the drill bit main body, and can reduce the diameter of the drill bit main body by shrinking the movable fan plate into the notch of the drill bit main body along with inertia guidance, thereby facilitating the rapid withdrawal of the whole drill bit main body and reducing the damage to the inner wall of a drilled hole.
Description
Technical Field
The invention relates to the technical field of drilling devices, in particular to an inertial built-in gear reaming anchor rod drill bit device.
Background
The anchor pile is one of important measures for ensuring engineering quality and safety, and the drilling of the anchor pile usually needs to use an expansion bit, and the expansion bit has the effect of expanding the drilling diameter during drilling;
in connection with the above, it should be noted that: in the use process of the traditional reaming anchor bit, the reaming anchor bit is influenced by the material, hardness and surrounding operation environment of a drilling object, so that the reaming anchor bit continuously operates and rubs to generate heat, the service life of the reaming anchor bit is influenced, the drilling efficiency is disturbed, a pore canal is expanded to a required state in the drilling process of the reaming anchor bit, but when the reaming anchor bit is pushed out of the pore canal, the reaming anchor bit is influenced by the diameter of the bit and impurities in the pore canal, the blocking column of the reaming anchor bit is extremely easy to lose, and the inner wall of the pore canal is damaged, so that the subsequent use is influenced;
in view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to provide an inertial built-in gear reaming anchor bit device, which solves the problems that in the use process of a traditional reaming anchor bit, the reaming anchor bit is influenced by the material, hardness and surrounding operation environment of a drilling object, so that the continuous operation friction of the reaming anchor bit generates heat, the service life of the reaming anchor bit is influenced, the drilling efficiency is interfered, a pore canal is expanded to a required state in the drilling process of the reaming anchor bit, but when the pore canal is pushed out, the pore canal is influenced by the diameter of the drill bit and impurities in the pore canal, the blocking of the pore canal is extremely easy to lose, the inner wall of the pore canal is damaged, and the subsequent use is influenced.
The aim of the invention can be achieved by the following technical scheme: the utility model provides an inertia built-in gear reaming stock drill bit device, includes the connecting cylinder pole, connecting cylinder pole bottom is provided with the reposition of redundant personnel and holds in the palm, and the reposition of redundant personnel holds in the palm the top and be provided with middle section of thick bamboo and inner tube that cup joints in connecting cylinder pole inside, the inner tube is inside to be provided with the center post that runs through the reposition of redundant personnel and holds in the palm, center post bottom is provided with the movable disk, and the center rotation of movable disk bottom is connected with the tooth that changes, the joint of movable disk bottom has the intermediate member, the conical column with reposition of redundant personnel support joint has been arranged to the intermediate member top edge in the annular, the inner wall center in conical intermediate member bottom has inlayed the swivel, intermediate member bottom joint has the drill bit main part;
the drill bit comprises a drill bit body, and is characterized in that a ring cover is arranged at the top of the drill bit body, cross lock grooves connected with middle components in a clamping mode are formed in the top of the ring cover, movable fan plates are rotatably sleeved at the middle parts of two sides of the drill bit body, and a central rotating shaft embedded in the drill bit body is arranged between the movable fan plates.
Preferably, the inner cylinder is located the inside center of connecting cylinder pole, and well section of thick bamboo is located between inner cylinder and the connecting cylinder pole, well section of thick bamboo and connecting cylinder pole between the annular have arranged the multiunit outer annotate chamber, the multiunit is annotated the chamber in the annular has arranged between inner cylinder and the well section of thick bamboo, the reposition of redundant personnel holds in the palm the top outside and has arranged the outer filler mouth with outer annotating the chamber one-to-one, the inner filler mouth with interior annotating the chamber one-to-one has arranged in the outer filler mouth inboard annular, reposition of redundant personnel holds in the palm top outside edge is provided with the outer section of thick bamboo wall that cup joints with the connecting cylinder.
Preferably, the center post top is run through to the inner tube in, the inside rotary rod that runs through the movable disk that has cup jointed of center post, the rotary rod bottom is provided with the commentaries on classics tooth of being connected with the rotation of movable disk bottom, it is provided with the cross piece to change the tooth bottom, movable disk outside array is provided with multiunit spout, and spout top and center post intercommunication.
Preferably, the multiple groups of the conical columns are arranged on the top edge of the middle member in an annular array with the swivel as a center, an upper clamping groove which is clamped with the bottom of the split support is formed in the outer side of the top of the conical column, opposite interfaces are arranged on the inner side of the upper clamping groove and are respectively connected with the outer injection port and the inner injection port, and multiple groups of spray holes are formed in the outer walls of the two ends of the conical columns.
Preferably, the middle part of the middle member is provided with a perforation in a penetrating way, the swivel is sleeved in the perforation, a plurality of groups of screw rods are arranged on the peripheral annular array of the swivel, the end faces of the screw rods are provided with bevel gears meshed with the swivel, the bottom of the middle member is provided with a first annular groove and a second annular groove from outside to near the perforation in sequence, and the surfaces of the screw rods are sleeved with a first pushing block and a second pushing block which are positioned in the first annular groove and the second annular groove in a sliding way.
Preferably, the top ring connected with the ring cover is arranged at the top of the drill bit main body, the center of the top of the ring cover is provided with a cross locking groove, a plurality of groups of inner buckles are arranged on the outer annular arrays of the cross locking groove, a plurality of groups of outer buckles are arranged on the outer annular arrays of the outer buckles, a bottom ring is arranged at the bottom of the drill bit main body, a plurality of groups of drilling protruding blocks are arranged at the bottom of the bottom ring, and notches for adapting to the movable fan plate are symmetrically arranged at two sides of the drill bit main body.
Preferably, the movable fan plate top runs through and sets up the side pivot that cup joints with bottom ring and top ring, the side gear that is located the top ring is cup jointed at side pivot top, the center pivot top runs through and extends to the inside center of top ring, and the center pivot top be provided with multiunit side change tooth engaged sun gear, fixed mounting has multiunit stopper on the outer wall that the drill bit main part was kept away from to the movable fan plate.
The beneficial effects of the invention are as follows:
(1) According to the invention, the connecting cylinder rod, the middle member and the central column are used in a linkage mode, the external low-temperature water flow and the air are guided by the auxiliary spray holes of the external injection cavity and the internal injection cavity, so that the water-gas linkage type heat absorption, heat exchange and cooling treatment of the area above the drill bit main body is realized, the over-temperature protection of continuous operation of the drill bit main body is facilitated, and meanwhile, the damage of the material of the drill bit main body caused by quenching is avoided; the central column and the air injection on the middle component structure are used in a linkage mode, so that cleaning water stains and attached impurities above the drill bit main body are effectively cleaned;
(2) The invention also carries out quick and efficient clamping locking and limiting through the central column matched with the intermediate component and the drill bit main body, is beneficial to reducing the time consumption of the subsequent replacement of the drill bit main body, reduces the influence on the whole drilling operation efficiency, and is beneficial to synchronously opening along with inertia guiding the movable fan plates when the drill bit main body is opened and stretched along with inertia deflection on the drill bit main body, improving the efficiency along with drilling, and shrinking the movable fan plates into the notch of the drill bit main body along with inertia guiding when the drill bit main body is withdrawn from the drilling, realizing the diameter reduction of the drill bit main body, facilitating the quick withdrawal of the whole drill bit main body and reducing the damage to the inner wall of the drilling.
Drawings
The invention is further described below with reference to the accompanying drawings;
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the connecting cylinder rod of the present invention;
FIG. 3 is a schematic view of the structure of the movable tray of the present invention;
FIG. 4 is a schematic view of the connection structure of the connecting cylinder rod and the center post of the present invention;
FIG. 5 is a schematic top view of the connecting cylinder rod of the present invention;
FIG. 6 is a schematic view in partial cross-section of an intermediate member of the present invention;
FIG. 7 is a schematic view of the internal structure of the intermediate member of the present invention;
FIG. 8 is a schematic view of the structure of the bit body of the present invention;
FIG. 9 is a schematic view of the connection structure between the drill bit body and the movable fan plate according to the present invention;
fig. 10 is a schematic top view of the drill body and the movable fan plate according to the present invention.
Legend description: 1. a connecting cylinder rod; 101. a middle cylinder; 102. an inner cylinder; 103. an outer cylinder wall; 104. a split support; 105. an external nozzle; 106. an inner nozzle; 107. an external injection cavity; 108. an inner injection cavity; 2. an intermediate member; 201. a tapered column; 202. a spray hole; 203. an upper clamping groove; 204. an interface; 205. perforating; 206. a swivel; 207. a screw rod; 208. a first push block; 209. a second push block; 3. a bit body; 301. a bottom ring; 302. a top ring; 303. a ring cover; 304. cross lock grooves; 305. an inner buckle; 306. an outer buckle; 307. drilling the protruding blocks; 4. a movable fan plate; 401. a limiting block; 402. a side rotating shaft; 403. a side gear; 404. a central spindle; 405. a sun gear; 5. a center column; 501. a movable plate; 502. rotating teeth; 503. a cross block; 504. a rotating rod; 505. a spout.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
the embodiment is used for solving the problems that in the using process of the traditional reaming anchor bit, the reaming anchor bit is influenced by the material, hardness and surrounding operation environment of a drilling object, and heat is generated due to continuous operation friction of the reaming anchor bit, so that the service life of the reaming anchor bit is influenced, and the drilling efficiency is interfered.
Referring to fig. 1-7, the present embodiment is an inertial built-in gear reaming anchor drill bit device, including a connecting cylinder rod 1, a shunt support 104 is provided at the bottom of the connecting cylinder rod 1, a middle cylinder 101 and an inner cylinder 102 sleeved inside the connecting cylinder rod 1 are provided at the top of the shunt support 104, a center column 5 penetrating through the shunt support 104 is provided inside the inner cylinder 102, a movable disc 501 is provided at the bottom of the center column 5, a rotating tooth 502 is rotatably connected at the bottom center of the movable disc 501, an intermediate member 2 is clamped at the bottom of the movable disc 501, a conical column 201 clamped with the shunt support 104 is annularly arranged at the top edge of the intermediate member 2, a rotating ring 206 is embedded at the center of the inner wall at the bottom of the conical intermediate member 2, and a drill bit main body 3 is clamped at the bottom of the intermediate member 2;
the inner cylinder 102 is positioned at the inner center of the connecting cylinder rod 1, the middle cylinder 101 is positioned between the inner cylinder 102 and the connecting cylinder rod 1, a plurality of groups of outer injection cavities 107 are annularly arranged between the middle cylinder 101 and the connecting cylinder rod 1, a plurality of groups of inner injection cavities 108 are annularly arranged between the inner cylinder 102 and the middle cylinder 101, outer injection ports 105 which are in one-to-one correspondence with the outer injection cavities 107 are annularly arranged on the outer side of the top of the split flow support 104, inner injection ports 105 which are in one-to-one correspondence with the inner injection cavities 108 are annularly arranged on the inner side of the outer injection ports 105, and an outer cylinder wall 103 sleeved with the connecting cylinder body 1 is arranged on the outer side edge of the top of the split flow support 104;
the top of the central column 5 penetrates into the inner cylinder 102, a rotating rod 504 penetrating through the movable disc 501 is sleeved in the central column 5, a rotating tooth 502 rotationally connected with the bottom of the movable disc 501 is arranged at the bottom of the rotating rod 504, a cross block 503 is arranged at the bottom of the rotating tooth 502, a plurality of groups of nozzles 505 are arranged on the outer side of the movable disc 501 in an array manner, and the top of the nozzles 505 is communicated with the central column 5;
the multiple groups of conical columns 201 are arranged on the top edge of the intermediate member 2 in an annular array with the swivel 206 as the center, an upper clamping groove 203 which is clamped with the bottom of the split-flow support 104 is formed in the outer side of the top of the conical columns 201, opposite interfaces 204 are formed in the inner side of the upper clamping groove 203, the multiple groups of opposite interfaces 204 are respectively connected with the outer injection port 105 and the inner injection port 106, and multiple groups of injection holes 202 are formed in the outer walls of the two ends of the conical columns 201;
during the drilling operation in a drill well, an external water pump and an air pump synchronously operate, when a drill rod main body needs water cleaning or cooling, the water pump is connected with an external injection cavity 107 through a connecting piece and provides low-temperature water flow for the external injection cavity 107, the low-temperature water flow enters the external injection port 105 along the external injection cavity 107 and is sprayed outwards along a spray hole 202, in the process, the low-temperature water flow absorbs heat on a connecting cylinder rod 1 and an intermediate member 2 and carries out non-contact heat absorption and heat exchange on the drill rod main body, the drill rod main body is prevented from being damaged due to cold and hot shock, the air pump is connected with an internal injection cavity 108 through the connecting piece and provides air flow for the internal injection cavity 108, the air flow enters the internal injection port 106 along the internal injection cavity 108 and is sprayed outwards along the spray hole 202, meanwhile, the air pump is connected with a central column 5 through the connecting piece and provides air flow for the inside the spray hole 505, and the air flow in the spray hole 505 is combined with the air flow in the spray hole 202 to intensively clean water stains and impurities around the spray hole;
the middle part of the middle member 2 is provided with a through hole 205 in a penetrating way, a rotating ring 206 is sleeved in the through hole 205, a plurality of groups of lead screws 207 are annularly arranged on the periphery of the rotating ring 206, the end face of each lead screw 207 is provided with a bevel gear meshed with the rotating ring 206, the bottom of the middle member 2 is sequentially provided with a first annular groove and a second annular groove from outside to near the through hole 205, and the surfaces of the lead screws 207 are slidably sleeved with a first pushing block 208 and a second pushing block 209 which are positioned in the first annular groove and the second annular groove;
in the process of connecting and assembling the connecting cylinder rod 1 with the middle member 2 and the drill bit body 3, the hand-held drill bit body 3 approaches to the middle member 2, the outer clamping buckle 306, the inner clamping buckle 305 and the cross locking groove 304 on the ring cover 303 are aligned with the first annular groove and the second annular groove at the bottom of the middle member 2, the center post 5 slides downwards along the inner part of the connecting cylinder rod 1 until the rotating teeth 502 are immersed into the through holes 205, the rotating rods 504 rotate under the force, the rotating rods 504 drive the rotating teeth 502 to rotate, the rotating teeth 502 are meshed with the rotating rings 206, the rotating rings 206 are meshed with bevel gears on the lead screws 207, the lead screws 207 rotate under the force, the first push rod and the second push rod slide along the inner annular groove and the second annular groove respectively until the first push rod and the second push rod are clamped inside the outer clamping buckle 306 and the inner clamping buckle 305, the center post 5 is further pushed to slide downwards, and the cross block 503 is inserted into the cross locking groove 304, and the quick clamping and locking between the connecting cylinder rod 1, the middle member 2 and the drill bit body 3 are completed.
Embodiment two:
the hole expanding device is used for expanding the hole to a required state in the drilling process of the traditional reaming anchor bit, but is influenced by the diameter of the bit and impurities in the hole when the hole is pushed out, so that the loss of the clamping column of the reaming anchor bit and the damage to the inner wall of the hole are extremely easy to cause, and the problem of subsequent use is influenced.
Referring to fig. 1, 8, 9 and 10, the inertial reaming anchor bit device of the present embodiment includes a bit body 3, a ring cover 303 is provided on the top of the bit body 3, a cross locking groove 304 clamped with an intermediate member 2 is provided on the top of the ring cover 303, movable fan plates 4 are rotatably sleeved in the middle parts of two sides of the bit body 3, and a central rotating shaft 404 embedded in the bit body 3 is provided between the plurality of groups of movable fan plates 4;
the top of the drill bit body 1 is provided with a top ring 302 connected with a ring cover 303, the center of the top of the ring cover 303 is provided with a cross locking groove 304, a plurality of groups of inner buckles 305 are annularly arranged outside the cross locking groove 304, a plurality of groups of outer buckles 306 are annularly arranged outside the outer buckles 305, the bottom of the drill bit body 3 is provided with a bottom ring 301, the bottom of the bottom ring 301 is provided with a plurality of groups of drilling lugs 307, and two sides of the drill bit body 3 are symmetrically provided with notches for adapting to the movable fan plate 4;
the top of the movable fan plate 4 is penetrated and provided with a side rotating shaft 402 sleeved with the bottom ring 301 and the top ring 302, the top of the side rotating shaft 402 is sleeved with a side gear 403 positioned in the top ring 302, the top of the center rotating shaft 404 is penetrated and extended to the center in the top ring 303, the top of the center rotating shaft 404 is provided with a center gear 405 meshed with a plurality of groups of side rotating teeth 403, and a plurality of groups of limiting blocks 401 are fixedly arranged on the outer wall of the movable fan plate 4 far away from the drill bit body 3;
when the drill rod is used, the connecting cylinder rod 1 is sleeved on the drilling machine, the connecting cylinder rod 1 is clamped and limited by the drilling machine and then faces the inner wall of a well, the drilling machine drives the connecting cylinder rod 1 to synchronously rotate at a high speed and carry the drill bit body 3 to gradually approach the inner wall of the well, the movable fan plate 4 on the drill bit body 3 deflects along the side rotating shaft 402 through rotation inertia, the side rotating shaft 402 is meshed with the central gear 405 through the side gear 403, the central gear 405 drives the central rotating shaft 404 to deflect, further, two groups of movable fan plates 4 are adjusted to synchronously deflect on the drill bit body 3, if the drill bit body approaches the inner wall of the well, the drill protruding block 307 moves along with the bottom ring 301 to contact the inner wall of the well, preliminary grinding drilling is carried out on the inner wall of the well, then the movable fan plates 4 move along with the drill bit body 3 to contact the inner wall of the well, when the drill bit body withdraws from the drilling hole, the drilling machine drives the drill bit body to overturn, the movable fan plates 4 are stressed to deflect into the gaps along two sides of the drill bit body 3, so that diameter shrinkage of the end of the drill bit body is completed, and the drill bit body is helped to withdraw from the drilling quickly.
By combining the first embodiment and the second embodiment, the connecting cylinder rod 1, the middle member 2 and the central column 5 can be used in a linkage mode structurally, the external low-temperature water flow and air are guided by the auxiliary spray holes 202 of the outer injection cavity 107 and the inner injection cavity 108, the water-gas linkage type heat absorption, heat exchange and cooling treatment of the area above the drill bit body 3 is realized, the over-temperature protection of continuous operation of the drill bit body 3 is facilitated, and meanwhile, the damage to the material of the drill bit body 3 caused by quenching is avoided; the combined type air injection linkage type drill bit has the advantages that the central column 5 and the middle member 2 are used in a combined mode in a structure, cleaning water stains and attached impurities above the drill bit main body 3 are effectively cleaned, the central column 5 is matched with the middle member 2 to be fast and efficiently clamped, locked and limited with the drill bit main body 3, time-consuming reduction of subsequent replacement of the drill bit main body 3 is facilitated, the influence on the whole drilling operation is reduced, the multiple groups of movable fan plates 4 are assisted to open and close along the inertial deflection on the drill bit main body 3 through the central rotating shaft 404 and the side rotating shaft 402, the synchronous opening along the inertial guiding of the movable fan plates 4 is facilitated when the drill bit main body 3 is opened, the efficiency along with drilling is improved, and the diameter of the drill bit main body 3 is reduced by shrinking along the inertial guiding of the movable fan plates 4 into a notch of the drill bit main body 3 when the drill bit main body 3 is withdrawn from the drill hole, the whole drill bit main body 3 is convenient to quickly withdraw, and damage to the inner wall of the drill hole is reduced.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides an inertial built-in gear reaming stock drill bit device, includes connecting cylinder pole (1), its characterized in that, connecting cylinder pole (1) bottom is provided with reposition of redundant personnel support (104), and reposition of redundant personnel support (104) top is provided with middle section of thick bamboo (101) and inner tube (102) of cup jointing inside connecting cylinder pole (1), inner tube (102) inside is provided with center post (5) that run through reposition of redundant personnel support (104), center post (5) bottom is provided with movable dish (501), and movable dish (501) bottom center rotation is connected with tooth (502), movable dish (501) bottom joint has intermediate component (2), intermediate component (2) top edge annular has arranged conical column (201) with reposition of redundant personnel support (104) joint, conical intermediate component (2) bottom inner wall center is inlayed and is equipped with swivel (206), intermediate component (2) bottom joint has drill bit main part (3).
The drill bit comprises a drill bit body (3), and is characterized in that a ring cover (303) is arranged at the top of the drill bit body (3), cross lock grooves (304) which are clamped with an intermediate member (2) are formed in the top of the ring cover (303), movable fan plates (4) are rotatably sleeved at the middle parts of two sides of the drill bit body (3), and a plurality of groups of center rotating shafts (404) embedded in the drill bit body (3) are arranged between the movable fan plates (4).
2. The inertial built-in gear reaming anchor rod drill bit device according to claim 1, characterized in that the inner cylinder (102) is located at the inner center of the connecting cylinder rod (1), the middle cylinder (101) is located between the inner cylinder (102) and the connecting cylinder rod (1), multiple groups of outer injection cavities (107) are annularly arranged between the middle cylinder (101) and the connecting cylinder rod (1), multiple groups of inner injection cavities (108) are annularly arranged between the inner cylinder (102) and the middle cylinder (101), outer injection ports (105) corresponding to the outer injection cavities (107) one to one are annularly arranged on the outer side of the top of the split flow support (104), inner injection ports (105) corresponding to the inner injection cavities (108) one to one are annularly arranged on the inner side of the outer injection ports (105), and outer cylinder walls (103) sleeved with the connecting cylinder (1) are arranged on the outer side edges of the top of the split flow support (104).
3. The inertial built-in gear reaming anchor bit device according to claim 2, wherein the top of the central column (5) penetrates into the inner cylinder (102), a rotating rod (504) penetrating through the movable disc (501) is sleeved inside the central column (5), rotating teeth (502) rotationally connected with the bottom of the movable disc (501) are arranged at the bottom of the rotating rod (504), cross blocks (503) are arranged at the bottom of the rotating teeth (502), a plurality of groups of nozzles (505) are arranged on the outer side of the movable disc (501) in an array mode, and the tops of the nozzles (505) are communicated with the central column (5).
4. The inertial built-in gear reaming anchor bit device according to claim 3, wherein a plurality of groups of conical columns (201) are distributed on the top edge of the middle component (2) in an annular array by taking a swivel (206) as a center, an upper clamping groove (203) clamped with the bottom of the shunt support (104) is formed in the outer side of the top of each conical column (201), a butt joint port (204) is formed in the inner side of each upper clamping groove (203), the plurality of groups of butt joint ports (204) are respectively connected with the outer injection port (105) and the inner injection port (106), and a plurality of groups of injection holes (202) are formed in the outer walls of two ends of each conical column (201).
5. The inertial built-in gear reaming anchor rod drill bit device according to claim 4, characterized in that a perforation (205) is penetrated and arranged in the middle of the middle component (2), a swivel (206) is sleeved in the perforation (205), a plurality of groups of screw rods (207) are arranged on the peripheral annular array of the swivel (206), bevel gears meshed with the swivel (206) are arranged on the end faces of the screw rods (207), a first annular groove and a second annular groove are sequentially formed in the bottom of the middle component (2) from outside to near the perforation (205), and a first pushing block (208) and a second pushing block (209) which are positioned in the first annular groove and the second annular groove are sleeved on the surface of the screw rods (207) in a sliding mode.
6. The inertial built-in gear reaming anchor bit device according to claim 1, characterized in that a top ring (302) connected with a ring cover (303) is arranged at the top of the bit main body (1), a cross lock groove (304) is arranged at the center of the top of the ring cover (303), a plurality of groups of inner buckles (305) are arranged on an outer annular array of the cross lock groove (304), a plurality of groups of outer buckles (305) are arranged on an outer annular array of the outer buckles (306), a bottom ring (301) is arranged at the bottom of the bit main body (3), a plurality of groups of drilling lugs (307) are arranged at the bottom of the bottom ring (301), and notches for adapting to the movable fan plate (4) are symmetrically arranged on two sides of the bit main body (3).
7. The inertial built-in gear reaming anchor bit device according to claim 6, wherein the top of the movable fan plate (4) is penetrated and provided with a side rotating shaft (402) sleeved with the bottom ring (301) and the top ring (302), the top of the side rotating shaft (402) is sleeved with a side gear (403) positioned in the top ring (302), the top of the central rotating shaft (404) is penetrated and extended to the inner center of the top ring (303), the top of the central rotating shaft (404) is provided with a central gear (405) meshed with a plurality of groups of side rotating teeth (403), and a plurality of groups of limiting blocks (401) are fixedly installed on the outer wall of the movable fan plate (4) far away from the drill bit main body (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311498230.0A CN117266752B (en) | 2023-11-10 | 2023-11-10 | Inertial built-in gear reaming anchor rod drill bit device |
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| CN202311498230.0A CN117266752B (en) | 2023-11-10 | 2023-11-10 | Inertial built-in gear reaming anchor rod drill bit device |
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| CN117266752A true CN117266752A (en) | 2023-12-22 |
| CN117266752B CN117266752B (en) | 2024-04-26 |
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| Publication number | Publication date |
|---|---|
| CN117266752B (en) | 2024-04-26 |
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