CN209924916U - Barrel-mounted gear combination rock breaking drill bit - Google Patents
Barrel-mounted gear combination rock breaking drill bit Download PDFInfo
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- CN209924916U CN209924916U CN201920489487.2U CN201920489487U CN209924916U CN 209924916 U CN209924916 U CN 209924916U CN 201920489487 U CN201920489487 U CN 201920489487U CN 209924916 U CN209924916 U CN 209924916U
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Abstract
The utility model relates to a broken rock drill bit of section of thick bamboo dress gear wheel combination in drilling equipment technical field, this broken rock drill bit of section of thick bamboo dress gear wheel combination include the blade disc and are located gear wheel assembly on the blade disc is provided with broken rock section of thick bamboo on the blade disc periphery wall, and broken rock section of thick bamboo includes urceolus and inner tube, is provided with a plurality of first wear-resisting undermining heads on the lower end wall of urceolus, and a plurality of first wear-resisting undermining heads all incline towards broken rock section of thick bamboo periphery one side, are provided with the wear-resisting undermining head of a plurality of seconds that deviate from mutually with urceolus incline direction on the inner tube lower end wall, are provided with the wear-resisting undermining head of a plurality of third between inner tube and urceolus, and. Through the design of the rock breaking cylinder and the wear-resistant submerged head, the whole rock surface can be cut into a cylindrical shape, the cone assembly is positioned, the deviation of a drill bit and a rock breaking area can be prevented, and the rock breaking speed and the finished product quality are improved.
Description
Technical Field
The utility model belongs to the technical field of drilling equipment technique and specifically relates to a broken rock drill of section of thick bamboo dress gear combination is related to.
Background
The roller bit is a well drilling bit, when the roller bit works, the cutting teeth alternately contact with the bottom of the well, the rock breaking torque is small, the contact area between the cutting teeth and the bottom of the well is small, the specific pressure is high, and the roller bit is easy to be eaten into the stratum; the roller bit can adapt to various soft to hard stratums and is widely used for drilling, exploration, petroleum, drilling accessories and the like.
Chinese patent No. CN102022084B discloses a composite single roller cone drill bit, which comprises a bit body, a roller cone and a roller cone tip, wherein cutting teeth are arranged on the roller cone and the roller cone tip, a journal is arranged on the bit body, a ball is arranged between the journal and the roller cone, the roller cone is rotatably connected with the journal, the roller cone tip is fixedly connected with the front end of the journal, and the combination of the roller cone and the roller cone tip is a spherical profile structure.
When the composite single-cone bit works, the bit body rotates to drive the cone to move, the cone revolves around the central axis of the bit and also rotates around the shaft neck, and non-fixed cutting teeth on the alternating contact area of the cone form a herringbone scratch I at the bottom of a well under the composite motion; the cone point is arranged on the shaft neck end of the drill bit body and is relatively fixed with the drill bit body, when the drill bit rotates to drill a well, the cone point drills a contact area a, the fixed cutting teeth form a concentric circular scratch II around the center of the well bottom at the well bottom, and a complex staggered net-shaped scraping and breaking zone is formed under the cross action of two different rock breaking scratches to break the well bottom.
When the combined type single cone bit works, the bit body is contacted with a processing surface of a contact zone, and when the bit body rotates along the surface of the contact zone, the bit body and the contact zone are easy to deviate under the centrifugal action, so that the drilling efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a broken rock drill bit of section of thick bamboo dress roller combination can be cylindrical with whole rock face cutting, fixes a position the cone subassembly, can prevent the skew of drill bit and broken rock district, improves broken rock speed and finished product quality.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a broken rock drill bit of section of thick bamboo dress roller combination, includes the blade disc and is located cone assembly on the blade disc, be provided with a broken rock section of thick bamboo on the blade disc periphery wall, broken rock section of thick bamboo includes urceolus and inner tube, be provided with a plurality of first wear-resisting latent heads on the lower end wall of urceolus, it is a plurality of first wear-resisting latent head all inclines towards broken rock section of thick bamboo periphery one side, be provided with under the inner tube on the end wall with the wear-resisting latent head of a plurality of seconds that urceolus incline direction deviates from mutually, be provided with a plurality of wear-resisting latent heads of third between inner tube and urceolus, it is a plurality of wear-resisting latent head of third is along inner tube.
By implementing the technical scheme, when the barrel-mounted gear wheel combination rock breaking drill bit breaks a rock and drills a hole, the rock breaking barrel moves downwards and drives the first wear-resistant submerged head, the second wear-resistant submerged head and the third wear-resistant submerged head to move, the first wear-resistant submerged head, the second wear-resistant submerged head and the third wear-resistant submerged head firstly break the whole rock surface into a cylinder, the cylinder continues to rotate downwards in a rotary mode, meanwhile, the gear wheel assembly is driven to move downwards, the rotary mode is rotated until the gear wheel assembly is in contact with the surface of a rock stratum, and rocks in the cylinder are broken through the gear wheel assembly; this broken rock drill bit of section of thick bamboo dress roller cone combination is earlier through the drilling of first wear-resisting latent head, the wear-resisting latent head of second and the wear-resisting latent head of third, fixes a position simultaneously, and then the cone subassembly effect is broken the rock in the section of thick bamboo, skew when can preventing cone subassembly and rock stratum surface drilling, improves broken rock speed and finished product quality.
The utility model discloses further set up to, the cone subassembly is including being located a plurality of cones on the bottom surface under the blade disc, each the cone all through connect the support with the blade disc is connected.
By implementing the technical scheme, the cone assembly can crush rock strata in the rock breaking barrel, the cone is driven to move by the movement of the rock breaking barrel, and the cone and the rock strata generate relative action, so that the cone rotates to crush the rock strata; the roller cone assembly can extrude rock stratum in the rock breaking barrel to achieve rock stratum breaking.
The utility model discloses further set up to, run through a plurality of drainage ports have evenly been seted up to broken rock section of thick bamboo lateral wall, the drainage port is close to broken rock bobbin end sets up.
Through implementing above-mentioned technical scheme, the evacuation phenomenon appears in the broken rock section of thick bamboo in the drainage port avoids, influences mud and waste discharge, is convenient for mud inflow simultaneously in the broken rock section of thick bamboo.
The utility model discloses further set up as, the peak of drainage port is less than the setting of the minimum plane of cone subassembly.
Through implementing above-mentioned technical scheme, cone assembly is higher than the drainage port, is convenient for broken rock outside the broken rock section of thick bamboo produced waste residue flow from the drainage port in the broken rock section of thick bamboo.
The utility model discloses further set up to, run through a plurality of relief holes, each have been seted up to the blade disc the relief hole department all be provided with the relief hole intercommunication just is located row material pipe on the blade disc.
Through the implementation of the technical scheme, the barrel-mounted cone combined rock breaking drill bit generates negative pressure in the drill rod under the action of the air compressor, and then the waste materials carried by the discharge hole and the discharge pipe are continuously discharged from the discharge hole, so that mud flows back and waste residues are discharged; the discharge pipe can be matched with a discharge hole to discharge waste materials.
The utility model discloses further set up to, it is provided with the pin to arrange the material pipe and keep away from blade disc one end.
Through implementing above-mentioned technical scheme, the pin can prevent that the great rock waste of volume from getting into the drilling rod in, blocks up the drilling rod.
The utility model discloses further set up to, first wear-resisting dive head is connected with the urceolus through first dive head seat, the wear-resisting dive head of second passes through second dive head seat and is connected with the inner tube, the welding has a plurality of third dive head seats between inner tube and urceolus, the wear-resisting dive head of third install in on the third dive head seat.
By implementing the technical scheme, the first wear-resistant diving head is arranged on the first diving head seat, the first diving head seat is connected to one end of the outer cylinder, the second wear-resistant diving head is arranged on the second diving head seat, the second diving head seat is connected to one end of the inner cylinder, and the third wear-resistant diving head is arranged on the third diving head seat; the first wear-resisting latent head of dismantlement formula, the wear-resisting latent head of second and the wear-resisting latent head of third are convenient for change, and it is convenient, convenient to use to dismantle.
The utility model discloses further set up to, first dive head seat, second dive head seat and third dive head seat are kept away from blade disc one side seted up respectively with the pilot hole of first wear-resisting latent head, the wear-resisting latent head of second and the wear-resisting latent head root cooperation installation of third, first wear-resisting latent head, the wear-resisting latent head of second and the wear-resisting latent head of third all include root erection section and drilling section, root erection section pegs graft with the pilot hole cooperation and the cross-section is the polygon setting, but pilot hole orifice department threaded connection has butt root erection section and drilling section plane of connection's threaded end cover, runs through threaded end cover sets up the intercommunicating pore that supplies the drilling section to pass through.
By implementing the technical scheme, the threaded end cover is rotated to separate the threaded end cover from the assembly hole, the first wear-resistant submerged head, the second wear-resistant submerged head and the third wear-resistant submerged head are aligned to the assembly hole, root installation sections of the first wear-resistant submerged head, the second wear-resistant submerged head and the third wear-resistant submerged head are respectively embedded into the assembly hole, then the threaded end cover is sequentially installed, the communication hole penetrates through the drilling section to lock the threaded end cover and the assembly hole, and the first wear-resistant submerged head, the second wear-resistant submerged head and the third wear-resistant submerged head are respectively fixed in different assembly holes; the first wear-resisting latent head of pilot hole installation, the wear-resisting latent head of second and the wear-resisting latent head of third, the dismantlement and the change of the first wear-resisting latent head of being convenient for, the wear-resisting latent head of second and the wear-resisting latent head of third.
The utility model discloses further set up to, around being equipped with the baffler between inner tube and urceolus, baffler one side is connected with the urceolus, and the opposite side is connected with the inner tube.
Through implementing above-mentioned technical scheme, the separation board can carry out the separation with the clearance between inner tube and urceolus, prevents that the rock piece from getting into the clearance, causes the damage to inner tube section of thick bamboo wall, improves life.
To sum up, the utility model discloses following beneficial effect has:
the barrel-mounted gear combination rock breaking drill bit is characterized in that a rock breaking barrel and a wear-resistant submerged head are designed, the whole rock surface can be cut into a cylindrical shape, a gear wheel assembly is positioned, the drill bit can be prevented from deviating from a rock breaking area, and the rock breaking speed and the quality of a finished product are improved;
the designed drainage port of the barrel-mounted gear combination rock breaking drill bit can prevent the phenomenon of vacuumizing in a rock breaking barrel in the process of pumping out slurry and waste materials, and the slurry and the waste materials are convenient to discharge.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is an enlarged schematic view of a portion B of fig. 1.
Fig. 4 is an enlarged schematic view of the portion C of fig. 1.
Fig. 5 is a schematic diagram of a partial explosion according to an embodiment of the present invention.
Reference numerals: 1. breaking a rock cylinder; 11. an outer cylinder; 12. an inner barrel; 13. a barrier plate; 14. a first wear resistant submersible head; 141. a first dive seat; 15. a third wear-resistant submerged head; 151. a third diving seat; 16. a second wear-resistant submerged head; 161. a second dive seat; 17. a drainage port; 18. an assembly hole; 181. drilling a hole section; 182. a root mounting section; 183. a threaded end cap; 184. a communicating hole; 2. a cone assembly; 21. a cone; 22. connecting a support; 3. a cutter head; 31. a discharge hole; 32. a discharge pipe; 33. a stop lever; 261. an inclined section; 262. a threaded segment; 263. and (6) a through flow hole.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1, a combination rock breaking drill bit with barrel-mounted cone comprises a cutter disc 3 and a cone assembly 2 located on the cutter disc 3, a rock breaking barrel 1 is fixedly connected to the outer peripheral wall of the cutter disc 3, three sets of drainage ports 17 are uniformly formed through the side wall of the rock breaking barrel 1, the drainage ports 17 are uniformly distributed in the circumferential direction of the rock breaking barrel 1 and close to the bottom wall of the rock breaking barrel 1, the cross section of each drainage port 17 is arc-shaped, the lowest point of the cone assembly 2 is higher than the highest point of the drainage port 17, a discharge hole 31 is formed through the cutter disc 3, a discharge pipe 32 communicated with the discharge hole 31 and located on the cutter disc 3 is arranged at the discharge hole 31, one end of the discharge pipe 32 far away from the cutter disc 3 is fixedly connected with a stop lever.
As shown in fig. 1, the rock breaking cylinder 1 comprises an outer cylinder 11 and an inner cylinder 12, the inner cylinder 12 is connected with the outer cylinder 11 through an interlayer, a plurality of first wear-resistant diving heads 14 are obliquely arranged on the lower end wall of the outer cylinder 11, each first wear-resistant diving head 14 is obliquely oriented to one side of the periphery of the rock breaking cylinder 1, a plurality of second wear-resistant diving heads 16 deviating from the oblique direction of the outer cylinder 11 are fixedly connected to the lower end wall of the inner cylinder 12, a plurality of third wear-resistant diving heads 15 are arranged between the inner cylinder 12 and the outer cylinder 11, the plurality of third wear-resistant diving heads 15 are uniformly distributed along the circumferential direction of the gap between the inner cylinder 12 and the outer cylinder 11, the third wear-resistant diving heads 15 are arranged parallel to the rock breaking cylinder 1 along the axial direction, and the first wear-resistant diving heads 14.
As shown in fig. 1, the cone assembly 2 includes a plurality of cones 21 located on the lower bottom surface of the cutter disc 3, the cross-section of each cone 21 along the axial direction is in a circular truncated cone shape, each cone 21 is connected with the cutter disc 3 through a connecting support 22, the connecting support 22 is fixedly connected with the cutter disc 3, and the cone 21 is rotatably connected with the connecting support 22.
As shown in fig. 2, 3 and 4, a plurality of first diving seats 141 are uniformly arranged on the peripheral wall of the outer cylinder 11, the first diving seats 141 are obliquely arranged and fixedly connected to the outer cylinder 11 in a direction away from the axis of the rock breaking cylinder 1, the first wear-resistant diving heads 14 are mounted on the first diving seats 141, a plurality of second diving seats 161 are uniformly arranged on the peripheral wall of the inner cylinder 12, the second diving seats 161 are obliquely arranged and fixedly connected to the inner cylinder 12 in a direction toward the axis of the rock breaking cylinder 1, the second wear-resistant diving heads 16 are mounted on the second diving seats 161, a plurality of uniformly distributed third diving seats 151 are welded between the inner cylinder 12 and the outer cylinder 11, and the third wear-resistant diving heads 15 are mounted on the third diving seats 151.
As shown in fig. 5, the first diving seat 141, the second diving seat 161, and the third diving seat 151 are respectively provided with an assembly hole 18 on a side away from the cutter disc 3, the assembly hole 18 is matched with the roots of the first wear-resistant diving head 14, the second wear-resistant diving head 16, and the third wear-resistant diving head 15, the first wear-resistant diving head 14, the second wear-resistant diving head 16, and the third wear-resistant diving head 15 each include a root installation section 182 and a drilling section 181, the root installation section 182 is matched and inserted with the assembly hole 18, the cross section of the root installation section 182 is rectangular, the opening of the assembly hole 18 is in threaded connection with a threaded end cover 183 capable of abutting against the connection plane of the root installation section 182 and the drilling section 181, a communication hole for the drilling section 181 to pass through is provided through the threaded end cover 183, a blocking plate 13 is wound between the inner cylinder 12 and the outer cylinder 11, one side of the blocking plate 13 is fixedly connected.
The utility model discloses a first wear-resisting latent head 14 or the wear-resisting latent head 16 of second or the wear-resisting latent head 15 of third installation is: the threaded end cover 183 is rotated to separate the threaded end cover 183 from the assembly hole 18, the first wear-resisting sub 14, the second wear-resisting sub 16 or the third wear-resisting sub 15 is aligned with the assembly hole 18, the root installation section 182 of the first wear-resisting sub 14, the second wear-resisting sub 16 or the third wear-resisting sub 15 is embedded into the assembly hole 18, the communication hole 184 is aligned with the drill hole section 181, the communication hole 184 penetrates through the drill hole section 181, when the threaded end cover 183 is in surface contact with the first sub seat 141, the second sub seat 161 or the third sub seat 151, the threaded end cover 183 is rotated to enable the threaded end cover 183 to tightly abut against the root installation section 182 in the assembly hole 18, and the first wear-resisting sub 14, the second wear-resisting sub 16 or the third wear-resisting sub 15 is fixed in the assembly hole 18, so that the installation is completed.
The utility model discloses a theory of operation is: when the barrel-mounted gear combination rock breaking drill bit breaks a rock and drills, the rock breaking barrel 1 moves downwards, the rock breaking barrel 1 drives the first wear-resistant submerged head 14, the second wear-resistant submerged head 16 and the third wear-resistant submerged head 15 to move, the first wear-resistant submerged head 14, the second wear-resistant submerged head 16 and the third wear-resistant submerged head 15 firstly break the whole rock surface into a cylinder, the cylinder continues to rotate downwards, meanwhile, the gear wheel assembly 2 is driven to move downwards, the gear wheel assembly 2 is rotated downwards until the gear wheel assembly 2 is in contact with the surface of the rock layer, and the rock layer in the cylinder is broken through the gear wheel 21.
Claims (9)
1. A barrel-mounted cone combined rock breaking drill bit comprises a cutter head (3) and a cone assembly (2) positioned on the cutter head (3), it is characterized in that the outer peripheral wall of the cutter head (3) is provided with a rock breaking cylinder (1), the rock breaking cylinder (1) comprises an outer cylinder (11) and an inner cylinder (12), a plurality of first wear-resistant submerged heads (14) are arranged on the lower end wall of the outer cylinder (11), the first wear-resistant submerged heads (14) incline towards one side of the periphery of the rock breaking cylinder (1), a plurality of second wear-resistant submerged heads (16) which are deviated from the inclined direction of the outer cylinder (11) are arranged on the lower end wall of the inner cylinder (12), a plurality of third wear-resistant submerged heads (15) are arranged between the inner cylinder (12) and the outer cylinder (11), and the third wear-resistant submerged heads (15) are uniformly distributed and parallel to the axial direction of the rock breaking cylinder (1) along the circumferential direction of the inner cylinder (12) and the outer cylinder (11).
2. A barrel cone combined rock breaking drill bit according to claim 1, characterized in that the cone assembly (2) comprises a plurality of cones (21) on the lower bottom surface of the cutter head (3), each cone (21) being connected with the cutter head (3) by a connecting support (22).
3. The barrel-mounted cone combined rock breaking drill bit as claimed in claim 1, characterized in that a plurality of drainage ports (17) are uniformly formed through the outer side wall of the rock breaking barrel (1), and the drainage ports (17) are arranged near the bottom end of the rock breaking barrel (1).
4. A barrel cone combination rock breaking drill bit according to claim 3, characterized in that the highest point of the drainage port (17) is arranged below the lowest plane of the cone assembly (2).
5. The barrel-mounted cone combined rock breaking drill bit as claimed in claim 1, wherein a plurality of discharge holes (31) are formed through the cutter disc (3), and each discharge hole (31) is provided with a discharge pipe (32) which is communicated with the discharge hole (31) and is positioned on the cutter disc (3).
6. The barrel-mounted cone combined rock-breaking drill bit as claimed in claim 5, characterized in that a stop lever (33) is arranged at one end of the discharge pipe, which is far away from the cutter disc (3).
7. The barrel-mounted roller cone combined rock breaking drill bit as claimed in claim 1, wherein the first wear-resistant diving head (14) is connected with the outer barrel (11) through a first diving head seat (141), the second wear-resistant diving head (16) is connected with the inner barrel (12) through a second diving head seat (161), a plurality of third diving head seats (151) are welded between the inner barrel (12) and the outer barrel (11), and the third wear-resistant diving head (15) is mounted on the third diving head seats (151).
8. The barrel-mounted cone combined rock breaking drill bit according to claim 7, the first diving seat (141), the second diving seat (161) and the third diving seat (151) are respectively provided with an assembling hole (18) which is matched and installed with the root parts of the first wear-resistant diving head (14), the second wear-resistant diving head (16) and the third wear-resistant diving head (15) at one side far away from the cutter head (3), the first wear-resistant submersible head (14), the second wear-resistant submersible head (16) and the third wear-resistant submersible head (15) respectively comprise a root installation section (182) and a drilling section (181), the root installation section (182) is matched and spliced with the assembly hole (18) and the section of the root installation section is arranged in a polygon shape, the hole opening of the assembly hole (18) is in threaded connection with a threaded end cover (183) which can be abutted to a connection plane of the root installation section (182) and the drilling section (181), and a communication hole (184) for the drilling section (181) to pass through is formed in the threaded end cover (183).
9. The barrel-mounted cone combined rock breaking drill bit as claimed in claim 8, wherein a blocking plate (13) is wound between the inner barrel (12) and the outer barrel (11), one side of the blocking plate (13) is connected with the outer barrel (11), and the other side of the blocking plate is connected with the inner barrel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489487.2U CN209924916U (en) | 2019-04-11 | 2019-04-11 | Barrel-mounted gear combination rock breaking drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489487.2U CN209924916U (en) | 2019-04-11 | 2019-04-11 | Barrel-mounted gear combination rock breaking drill bit |
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| Publication Number | Publication Date |
|---|---|
| CN209924916U true CN209924916U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920489487.2U Active CN209924916U (en) | 2019-04-11 | 2019-04-11 | Barrel-mounted gear combination rock breaking drill bit |
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| CN (1) | CN209924916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915025A (en) * | 2019-04-11 | 2019-06-21 | 中交二公局第五工程有限公司 | A kind of wound packages gear wheel combination broken rock drill bit |
-
2019
- 2019-04-11 CN CN201920489487.2U patent/CN209924916U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915025A (en) * | 2019-04-11 | 2019-06-21 | 中交二公局第五工程有限公司 | A kind of wound packages gear wheel combination broken rock drill bit |
| CN109915025B (en) * | 2019-04-11 | 2024-01-30 | 中交二公局第五工程有限公司 | Barrel-mounted roller cone combined rock breaking drill bit |
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