CN110253766B - Ultrahigh-adhesion low-resistance drill bit - Google Patents
Ultrahigh-adhesion low-resistance drill bit Download PDFInfo
- Publication number
- CN110253766B CN110253766B CN201910569841.7A CN201910569841A CN110253766B CN 110253766 B CN110253766 B CN 110253766B CN 201910569841 A CN201910569841 A CN 201910569841A CN 110253766 B CN110253766 B CN 110253766B
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- drill bit
- friction
- rod
- drill
- air bag
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
Abstract
The invention belongs to the technical field of drilling tools, and particularly relates to an ultrahigh-joint low-resistance drill bit which comprises an installation rod, a first drill bit and a second drill bit; the lower end of the mounting rod is fixedly connected with a first drill bit; the first drill bit is in a capsule type, and the lower end of the first drill bit is connected with a second drill bit in a sliding mode through a spring; the lower end of the second drill bit is conical, the edge of the lower end of the second drill bit can be tightly attached to the edge of the lower end of the first drill bit after being tightened, and fixing rods are symmetrically and fixedly connected to two ends of the upper surface of the second drill bit; the fixing rod can be inserted into the lower end of the first drill bit; the protection of the first drill bit can be realized by arranging the first drill bit and the second drill bit, and the second drill bit is only required to be replaced if the first drill bit and the second drill bit are damaged, so that the use cost is greatly saved; the invention is mainly used for solving the problems that the drill bit in the prior art is greatly damaged when the drill bit is used for drilling a hole in a stone, and the smoothness of a tangent plane cannot be ensured, and the post-processing is required.
Description
Technical Field
The invention belongs to the technical field of drilling tools, and particularly relates to an ultrahigh-bonding low-resistance drill bit.
Background
The drill bit is an integral part of the drilling apparatus and its main function is to break rock and form the borehole. The rotary drill bit is a drill bit commonly used in the petroleum industry at present, and can rotate under the drive of machinery, so that the whole drill bit is driven to perform centripetal motion, and rocks are cracked and broken through cutting and grinding, so that the effect of drilling downwards is achieved. The drill bit is one of main drilling equipment, and the specification and the shape of the drill bit should be different according to differences of working environments and regional environments, and when the oil drilling is carried out, the drill bit should be reasonably and scientifically selected according to specific needs and specific design schemes. The drill bit is scientifically selected in specific drilling work, the drilling fluid is reasonably determined, so that the working efficiency and the working quality of petroleum drilling are improved, the value of the petroleum drilling can be better exerted, certain contribution is made for promoting the development of petroleum industry, the application of the drill bit is more popularized in the current life, the drill bit is required to be used when a hole is drilled in a stone, the drill bit on the market can cause great damage to the drill bit when the hole is drilled in the stone, the smoothness of a tangent plane can not be guaranteed in the drilled hole, the later polishing is required, and the use is very inconvenient.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides an ultrahigh-fit low-resistance drill bit which is mainly used for solving the problems that the drill bit is greatly damaged when a hole is drilled in a stone, and the smoothness of a tangent plane cannot be guaranteed, and the post-processing is required.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an ultrahigh-fit low-resistance drill bit, which comprises an installation rod, a first drill bit and a second drill bit; the lower end of the mounting rod is fixedly connected with a first drill bit; the first drill bit is in a capsule type, and the lower end of the first drill bit is connected with a second drill bit in a sliding mode through a spring; the lower end of the second drill bit is conical, the edge of the lower end of the second drill bit can be tightly attached to the edge of the lower end of the first drill bit after being tightened, and fixing rods are symmetrically and fixedly connected to two ends of the upper surface of the second drill bit; the fixing rod can be inserted into the lower end of the first drill bit; the during operation, if need bore the hole to the stone, can support the tip of No. two drill bits at the position that needs the hole, promote the installation pole downwards simultaneously, inside the lower extreme of a drill bit through spring sliding connection because of the upper end of No. two drill bits, so can make No. two drill bits be close to a drill bit when promoting the installation pole, simultaneously because of the upper surface both ends symmetry fixedly connected with dead lever of No. two drill bits, and inside the lower extreme that can insert into a drill bit the upper end of dead lever, so can make it unite two into one when a drill bit is close to No. two drill bits gradually, avoid leading to a drill bit and No. two drill bits to take place to remove mutually at the in-process of drilling and lead to the drilling dynamics not enough, and can realize the protection to a drill bit through setting up a drill bit and No. two drill bits, only need change No. two drill bits if take place to damage, use cost has been practiced thrift.
The outer edge of the upper end of the second drill bit is fixedly connected with a metal filter screen; the upper end of the metal filter screen is inserted at the lower end of the first drill bit in a sliding manner; in the in-process of driling the rock, because of the drilling out a lot of tiny stones that No. two drill bits can be ceaselessly, and because of the upper end outward flange fixedly connected with metal filter screen of No. two drill bits, and the upper end of metal filter screen slides and pegs graft at the lower extreme of a drill bit, so in drilling process metal filter screen can completely cut off the rubble piece in the outside of drill bit, avoid tiny stone to get into the junction of a drill bit and No. two drill bits to lead to No. two drill bits can't cause internal damage with a drill bit sliding connection.
Friction rods are arranged in two end walls of the first drill bit; the outer surface of the friction rod is fixedly provided with a friction bulge; the outer end of the friction bulge is arranged to be a spherical surface. When a drill bit and a second drill bit drill holes into a rock, friction rods are arranged in two end walls of the first drill bit, friction protrusions are fixedly arranged on the outer surfaces of the friction rods, the outer ends of the friction protrusions are arranged to be spherical surfaces, the friction rods can grind the wall surfaces of the holes when the holes are drilled, the inner wall surfaces of the holes are infinitely inclined to a smooth state, the drilled holes are smooth, and follow-up hole drilling is facilitated.
A cutting wheel is rotatably arranged in the lower end of the friction rod; the cutting wheel can return to the interior of the first drill bit along with the friction rod; when a drill bit and a second drill bit drill holes in a rock, the cutting wheel is installed in the lower end of the friction rod in a rotating mode, so that when the first drill bit and the second drill bit drill holes deeply drill in the rock, the inner wall face of the hole can be cut by the cutting wheel, the inner wall face of the hole is kept vertical, the drilled hole is a vertical hole with the average diameter through cooperation with the friction rod, and the drilled hole meets the requirements of follow-up operation better.
An air bag is fixedly arranged inside the first drill bit; the air bag is arranged above the second drill bit and can be extruded by the second drill bit, and the upper walls of the two ends of the air bag are communicated with the air conveying groove; the gas transmission grooves are symmetrically formed in the inner parts of two ends of the first drill bit and are communicated with the bottom of the friction rod; when No. two drill bits are attached to one drill bit, the air bag is arranged inside the one drill bit, namely, the upper end of the two drill bits can generate an extrusion force to the air bag, the internal air pressure of the air bag can be increased when the air bag is extruded, the air bag is communicated with the air conveying grooves in the upper walls of the two ends of the air bag, and the air conveying grooves are communicated with the bottom of the friction rod, so that the friction rod can be pushed and fixed at the outer end of the one drill bit when the air bag is extruded, the friction rod can work better, the friction rod can be withdrawn into the one drill bit along with the expansion of the air bag when the air bag does not work, the friction rod can be protected, the volume of the drill bit can be reduced, and the drill bit is more convenient to carry.
The outer wall of the friction rod is in friction sliding connection with a rubber ring; the rubber rings are fixedly arranged in the inner walls of the two ends of the first drill bit, and the inner surfaces of the rubber rings are in a threaded shape; when the internal face of friction lever pair hole rubs, there is the rubber circle because of the outer wall friction sliding connection of friction lever, and rubber circle fixed mounting is in the both ends wall of drill bit No. one, so not only can completely cut off the rubble piece at the in-process of friction lever work, can also avoid simultaneously in dust in the stone and the moisture in the earth get into a drill bit, protect a drill bit, simultaneously because of the internal surface of rubber circle sets up to the screw thread form, can reduce the frictional force that produces the friction lever by a wide margin.
The invention has the following beneficial effects:
1. the invention can realize that if a stone needs to be drilled, the end part of the second drill bit can be abutted against the position needing to be drilled, the mounting rod is pushed downwards, the upper end of the second drill bit is connected inside the lower end of the first drill bit in a sliding way through the spring, so the second drill bit can be close to the first drill bit when the mounting rod is pushed, meanwhile, the fixing rods are symmetrically and fixedly connected with the two ends of the upper surface of the second drill bit, and the upper ends of the fixing rods can be inserted into the lower end of the first drill bit, so the first drill bit and the second drill bit can be combined into a whole when the first drill bit is gradually close to the second drill bit, the situation that the first drill bit and the second drill bit move mutually to cause insufficient drilling force in the drilling process is avoided, the first drill bit and the second drill bit can be protected by arranging the first drill bit and the second drill bit, and only the second drill bit needs to be replaced if the first drill, the use cost is greatly saved.
2. According to the invention, the metal filter screen is arranged, so that a plurality of small stones can be continuously drilled by the second drill bit in the process of drilling the rock, and the metal filter screen is fixedly connected to the outer edge of the upper end of the second drill bit and is inserted into the lower end of the first drill bit in a sliding manner, so that the broken stones can be isolated outside the drill bit by the metal filter screen in the drilling process, and the situation that the small stones enter the joint of the first drill bit and the second drill bit to cause the second drill bit to be incapable of being in sliding connection with the first drill bit to cause internal damage is avoided.
3. According to the invention, the friction rods are arranged in the two end walls of the first drill bit and the second drill bit when the first drill bit and the second drill bit drill holes in the rock, and the friction bulges are fixedly arranged on the outer surfaces of the friction rods, and the outer ends of the friction bulges are spherical surfaces, so that the friction rods can grind the wall surfaces of the holes during drilling, the inner wall surfaces of the holes can infinitely tend to be in a smooth state, the drilled holes are more smooth, and the subsequent hole drilling operation is convenient.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
in the figure: the device comprises a mounting rod 1, a first drill bit 2, a friction rod 21, a friction bulge 22, a cutting wheel 23, an air bag 24, an air conveying groove 25, a rubber ring 26, a second drill bit 3, a fixing rod 31 and a metal filter screen 32.
Detailed Description
The PP silent drain pipe according to an embodiment of the present invention will be described below with reference to fig. 1 to 2.
As shown in fig. 1-2, the ultrahigh-adhesion low-resistance drill bit of the present invention comprises a mounting rod 1, a first drill bit 2 and a second drill bit 3; the lower end of the mounting rod 1 is fixedly connected with a first drill bit 2; the first drill bit 2 is in a capsule type, and the lower end of the first drill bit 2 is connected with a second drill bit 3 in a sliding mode through a spring; the lower end of the second drill bit 3 is conical, the lower end edge of the second drill bit 3 can be tightly attached to the lower end edge of the first drill bit 2 after being tightened, and two ends of the upper surface of the second drill bit 3 are symmetrically and fixedly connected with fixing rods 31; the fixing rod 31 can be inserted into the lower end of the first drill bit 2; when the drilling tool works, if a hole needs to be drilled in a stone, the end part of the second drill bit 3 can be abutted against the position needing to be drilled, the installation rod 1 is pushed downwards, the upper end of the second drill bit 3 is connected inside the lower end of the first drill bit 2 in a sliding mode through the spring, so that the second drill bit 3 is close to the first drill bit 2 when the installation rod 1 is pushed, the fixing rods 31 are symmetrically and fixedly connected to two ends of the upper surface of the second drill bit 3, the upper ends of the fixing rods 31 can be inserted into the lower end of the first drill bit 2, the first drill bit 2 and the second drill bit 3 are combined into a whole when the first drill bit 2 is gradually close to the second drill bit 3, the situation that the drilling force is insufficient due to the fact that the first drill bit 2 and the second drill bit 3 move mutually in the drilling process is avoided, the first drill bit 2 and the second drill bit 3 can be protected, and only the second drill bit 3 needs to be replaced if, the use cost is greatly saved.
The outer edge of the upper end of the second drill bit 3 is fixedly connected with a metal filter screen 32; the upper end of the metal filter screen 32 is inserted at the lower end of the first drill bit 2 in a sliding manner; in the in-process of driling the rock, because of the drilling out many tiny stones that No. two drill bits 3 can not stop, and because of the upper end outward flange fixedly connected with metal screen 32 of No. two drill bits 3, and the upper end of metal screen 32 slides and pegs graft at the lower extreme of drill bit 2, so in drilling process metal screen 32 can completely cut off the rubble piece in the outside of drill bit, avoid tiny stone to get into the junction of drill bit 2 and No. two drill bits 3 to lead to No. two drill bits 3 can't cause internal damage with drill bit 2 sliding connection.
A cutting wheel 23 is rotatably arranged in the lower end of the friction rod 21; the cutting wheel 23 can follow the friction rod 21 to return to the inside of the first drill bit 2; when a drill bit 2 and a drill bit 3 drill holes in the rock, the cutting wheel 23 is installed in the lower end of the friction rod 21 in a rotating mode, so that when the drill bit 2 and the drill bit 3 drill holes in the rock deeply, the cutting wheel 23 can cut the inner wall surface of the hole, the inner wall surface of the hole is kept vertical, the drilled hole can be a vertical hole with the average diameter through matching with the friction rod 21, and the drilled hole can better meet the follow-up operation requirements.
An air bag 24 is fixedly arranged inside the first drill bit 2; the air bag 24 is arranged above the second drill bit 3, the air bag 24 can be extruded by the second drill bit 3, and the upper walls of the two ends of the air bag 24 are communicated with the air conveying groove 25; the gas transmission grooves 25 are symmetrically formed in the inner parts of two ends of the first drill bit 2, and the gas transmission grooves 25 are communicated with the bottom of the friction rod 21; when the second drill bit 3 is attached to the first drill bit 2, the air bag 24 is arranged inside the first drill bit 2, namely, the upper end of the second drill bit 3 can generate an extrusion force on the air bag 24, the air pressure inside the air bag 24 can be increased when the air bag 24 is extruded, the air bag 24 is communicated with the air conveying grooves 25 in the upper walls of the two ends of the air bag 24, and the air conveying grooves 25 are communicated with the bottom of the friction rod 21, so that the friction rod 21 can be pushed and fixed at the outer end of the first drill bit 2 when the air bag 24 is extruded, the friction rod 21 can work better, and the friction rod 21 can be withdrawn into the first drill bit 2 along with the expansion of the air bag 24 when the air bag is not in work, so that the friction rod 21 can be protected, the volume of the drill bit can be reduced, and the drill bit is more convenient to carry.
The outer wall of the friction rod 21 is in friction sliding connection with a rubber ring 26; the rubber ring 26 is fixedly arranged in the inner walls of the two ends of the first drill bit 2, and the inner surface of the rubber ring 26 is in a threaded shape; when the internal face at friction lever 21 pair hole rubs, there is rubber circle 26 because of the outer wall friction sliding connection of friction lever 21, and rubber circle 26 fixed mounting is in the both ends wall of drill bit 2, so not only can completely cut off the rubble piece at the in-process of friction lever 21 work, can also avoid in dust in the stone and the moisture in the earth get into drill bit 2 simultaneously, protect drill bit 2, simultaneously because of the internal surface of rubber circle 26 sets up to the screw thread form, can reduce the frictional force that produces friction lever 21 by a wide margin.
The specific working process is as follows:
when the drilling tool works, if a hole needs to be drilled in a stone, the end part of the second drill bit 3 can be abutted against the position needing to be drilled, the installation rod 1 is pushed downwards, the upper end of the second drill bit 3 is connected inside the lower end of the first drill bit 2 in a sliding mode through the spring, so that the second drill bit 3 is close to the first drill bit 2 when the installation rod 1 is pushed, the fixing rods 31 are symmetrically and fixedly connected to two ends of the upper surface of the second drill bit 3, the upper ends of the fixing rods 31 can be inserted into the lower end of the first drill bit 2, the first drill bit 2 and the second drill bit 3 are combined into a whole when the first drill bit 2 is gradually close to the second drill bit 3, the situation that the drilling force is insufficient due to the fact that the first drill bit 2 and the second drill bit 3 move mutually in the drilling process is avoided, the first drill bit 2 and the second drill bit 3 can be protected, and only the second drill bit 3 needs to be replaced if, practice thrift use cost greatly, at the in-process that drills to the rock, because of the drilling out many tiny stones that No. two drill bits 3 can not stop, and because of the upper end outward flange fixedly connected with metal filter screen 32 of No. two drill bits 3, and the upper end of metal filter screen 32 slides and pegs graft at the lower extreme of a drill bit 2, so metal filter screen 32 can completely cut off the rubble piece in the outside of drill bit at drilling in-process, avoid tiny stone to get into the junction of a drill bit 2 and No. two drill bits 3 to lead to No. two drill bits 3 can't lead to the fact internal damage with a drill bit 2 sliding connection.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (1)
1. An ultrahigh-joint low-resistance drill bit comprises a mounting rod (1), a first drill bit (2) and a second drill bit (3); the method is characterized in that: the lower end of the mounting rod (1) is fixedly connected with a first drill bit (2); the first drill bit (2) is in a capsule type, and the lower end of the first drill bit (2) is connected with a second drill bit (3) in a sliding mode through a spring; the lower end of the second drill bit (3) is conical, the edge of the lower end of the second drill bit (3) can be tightly attached to the edge of the lower end of the first drill bit (2) after being tightened, and fixing rods (31) are symmetrically and fixedly connected to two ends of the upper surface of the second drill bit (3); the fixing rod (31) can be inserted into the lower end of the first drill bit (2);
the outer edge of the upper end of the second drill bit (3) is fixedly connected with a metal filter screen (32); the upper end of the metal filter screen (32) is inserted at the lower end of the first drill bit (2) in a sliding manner;
friction rods (21) are arranged in the two end walls of the first drill bit (2); a friction bulge (22) is fixedly arranged on the outer surface of the friction rod (21); the outer end of the friction bulge (22) is arranged to be a spherical surface;
a cutting wheel (23) is rotatably arranged in the lower end of the friction rod (21); the cutting wheel (23) can return to the interior of the first drill bit (2) along with the friction rod (21);
an air bag (24) is fixedly arranged in the first drill bit (2); the air bag (24) is arranged above the second drill bit (3), the air bag (24) can be extruded by the second drill bit (3), and the upper walls of the two ends of the air bag (24) are communicated with the air conveying groove (25); the gas transmission grooves (25) are symmetrically formed in the inner parts of two ends of the first drill bit (2), and the gas transmission grooves (25) are communicated with the bottom of the friction rod (21);
the outer wall of the friction rod (21) is in friction sliding connection with a rubber ring (26); the rubber ring (26) is fixedly installed in the inner walls of the two ends of the first drill bit (2), and the inner surface of the rubber ring (26) is in a threaded shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569841.7A CN110253766B (en) | 2019-06-27 | 2019-06-27 | Ultrahigh-adhesion low-resistance drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569841.7A CN110253766B (en) | 2019-06-27 | 2019-06-27 | Ultrahigh-adhesion low-resistance drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110253766A CN110253766A (en) | 2019-09-20 |
| CN110253766B true CN110253766B (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910569841.7A Active CN110253766B (en) | 2019-06-27 | 2019-06-27 | Ultrahigh-adhesion low-resistance drill bit |
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| Country | Link |
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| CN (1) | CN110253766B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4829572B2 (en) * | 2005-09-09 | 2011-12-07 | 株式会社大林組 | Drilling method, control method, and drilling device |
| CN106694961A (en) * | 2016-12-08 | 2017-05-24 | 新昌县宏胜机械有限公司 | Pipe fitting machining drill bit for drilling machine |
| CN107322056A (en) * | 2017-08-31 | 2017-11-07 | 张家港钻通设备有限公司 | A kind of demountable bit with polishing nail |
| JP2018015958A (en) * | 2016-07-27 | 2018-02-01 | 株式会社ミヤナガ | Drilling work method and cooling agent |
| CN109759624A (en) * | 2019-03-29 | 2019-05-17 | 东莞市晋源祥塑胶五金电子有限公司 | A kind of alloy processing drill |
-
2019
- 2019-06-27 CN CN201910569841.7A patent/CN110253766B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4829572B2 (en) * | 2005-09-09 | 2011-12-07 | 株式会社大林組 | Drilling method, control method, and drilling device |
| JP2018015958A (en) * | 2016-07-27 | 2018-02-01 | 株式会社ミヤナガ | Drilling work method and cooling agent |
| CN106694961A (en) * | 2016-12-08 | 2017-05-24 | 新昌县宏胜机械有限公司 | Pipe fitting machining drill bit for drilling machine |
| CN107322056A (en) * | 2017-08-31 | 2017-11-07 | 张家港钻通设备有限公司 | A kind of demountable bit with polishing nail |
| CN109759624A (en) * | 2019-03-29 | 2019-05-17 | 东莞市晋源祥塑胶五金电子有限公司 | A kind of alloy processing drill |
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| Publication number | Publication date |
|---|---|
| CN110253766A (en) | 2019-09-20 |
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Effective date of registration: 20210618 Address after: 257000 west of s316 Road north of Shengjin Road, Shengtuo Town, Kenli District, Dongying City, Shandong Province Applicant after: SHANDONG JINRUI PETROLEUM EQUIPMENT Co.,Ltd. Address before: 230000 building C, Tianzhi road innovation and entrepreneurship Industrial Park, high tech Zone, Hefei City, Anhui Province Applicant before: Huang Guangshun |
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