CN213391992U - Diversion type double-arm guide drill structure - Google Patents
Diversion type double-arm guide drill structure Download PDFInfo
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- CN213391992U CN213391992U CN202021541412.3U CN202021541412U CN213391992U CN 213391992 U CN213391992 U CN 213391992U CN 202021541412 U CN202021541412 U CN 202021541412U CN 213391992 U CN213391992 U CN 213391992U
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Abstract
The utility model relates to a diversion formula both arms direction bores structure, including drill bit connecting portion and drilling rod connecting portion, fixed contained angle has between the shell between the two, and diversion structural connection is passed through to inside between both, and diversion structure is including fixing the jack catch one in the drill bit connecting portion to and with a jack catch clearance fit, fix the jack catch two inside the drilling rod connecting portion, a jack catch wholly becomes cylindricly, and its head has a plurality of protrusion end one at circumferencial direction interval equipartition along axial extension, two whole cylindric that become of jack catch, its head have a plurality of protrusion end two at circumferencial direction interval equipartition along axial extension, form between two adjacent protrusion end two with protrusion end one complex fan-shaped groove, form between two adjacent protrusion end one with protrusion end two complex rectangle recesses, relative rotation between the jack catch one and the jack catch two. The utility model provides a drilling rod motor with high costs short-lived in the non-excavation work progress, the technical problem of the little inefficiency of moment of torsion.
Description
Technical Field
The utility model belongs to the technical field of the direction bores technique and specifically relates to a diversion formula both arms direction bores structure.
Background
Among the prior art, adopt the drilling rod motor to drive the drill bit and creep into usually during non-excavation construction to utilize and turn to the elbow and realize the diversion, in order to carry out the direction drilling according to the route that needs, its shortcoming that exists is: the drill rod motor needs to consume a large amount of slurry, construction cost is increased, the environment is polluted, and the torque of the drill rod motor is small, the service life is short, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The applicant provides a direction-changing type double-arm guiding drill structure with a reasonable structure aiming at the defects in the prior art, thereby solving the technical problems of high cost, short service life, small torque and low efficiency of a drill rod motor.
The utility model discloses the technical scheme who adopts as follows:
a direction-changing type double-arm guiding drill structure comprises a drill bit connecting part and a drill rod connecting part which are connected with each other, a fixed included angle is formed between the drill bit connecting part and a shell of the drill rod connecting part, the drill bit connecting part is connected with the inside of the drill rod connecting part through a direction-changing structure, the direction-changing structure comprises a first clamping jaw fixed in the drill bit connecting part and a second clamping jaw in clearance fit with the first clamping jaw and fixed in the drill rod connecting part, the first clamping jaw is integrally cylindrical, a plurality of first protruding ends uniformly distributed at intervals in the circumferential direction are axially extended from the head of the first clamping jaw, the cross section of each first protruding end is of a fan-shaped structure, the second clamping jaw is integrally cylindrical, a plurality of second protruding ends uniformly distributed at intervals in the circumferential direction are axially extended from the head of the second clamping jaw, a fan-shaped groove matched with the first protruding end is formed between every two, the first clamping jaw and the second clamping jaw are mutually clamped and rotate relatively.
As a further improvement of the above technical solution:
the head of the first clamping jaw is provided with a first four protruding ends, the head of the second clamping jaw is provided with a second four protruding ends, each second protruding end is integrally of a rectangular structure, the inner side and the outer side of each second protruding end are arc surfaces, and the two end surfaces and the top surface are planes.
The mounting structure of the drill rod connecting part is as follows: the drill bit comprises a first outer shell, wherein an inner shell I is installed in the first outer shell through a bolt, one end of the first outer shell and one end of the first inner shell are respectively connected with an outer drill rod and an inner drill rod, the other end of the first outer shell is connected with a second outer shell of a drill bit connecting portion, the other end of the first inner shell is connected with a second clamping jaw in a clamped mode, and a counter bore clamped on the first inner shell is formed in the.
The mounting structure of drill bit connecting part does: the drill bit connecting shaft is integrally of a conical structure, the small-diameter end of the drill bit connecting shaft is sleeved with the first clamping jaw, and the large-diameter end of the drill bit connecting shaft is provided with a groove for mounting a drill bit; wear-resisting bearings are installed on the two sides of the drill bit connecting shaft through shaft sleeves respectively, the front shell and the middle shell are sleeved on the wear-resisting bearings on the two sides respectively, one end of the front shell is connected with the second shell through the middle shell, a waveform gasket, a V-shaped ring gasket and a V-shaped sealing ring are installed between the inner wall of the front shell and the outer wall of the drill bit connecting shaft and between the inner wall of the middle shell and the outer wall of the drill bit connecting shaft respectively, a ball bearing is further installed on the outer ring of the drill bit.
And a TC space ring is arranged between the end surface of the wear-resistant bearing and the wave-shaped gasket.
And a fixed included angle is formed between the drill bit connecting part and the shell of the drill rod connecting part, and an included angle of 2 degrees is formed between the first outer wall of the shell and the second outer wall of the shell.
The positioning block is installed in the first shell, one end of the probe rod is clamped on one side of the first shell, the spring is wound on the other end of the probe rod, and the first shell is sealed through the cover plate.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure and convenient operation, realizes rigid and diversion type connection between the drill bit and the drill rod by utilizing the driving of the inner drill rod and the outer drill rod of the double-arm drill rod and the diversion function of the diversion structure through the arrangement of the diversion structure, and realizes the diversion function while improving the dynamic strength of the drill bit; the utility model discloses turning structure's jack catch one and jack catch two clearance fit, simple to operate, transmission moment of torsion is efficient greatly, compares with traditional turn to elbow, need not to consume mud, practiced thrift manufacturing cost greatly, has improved life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the mounting structure schematic diagram of the turning structure of the present invention.
Fig. 3 is a schematic structural diagram of the first jaw of the present invention.
Fig. 4 is a schematic structural view of the second jaw of the present invention.
Wherein: 1. a drill bit connecting shaft; 2. a wear-resistant bearing; 3. a front housing; 4. TC space ring; 5. a wave-shaped gasket; 6. a V-shaped ring washer; 7. a V-shaped seal ring; 8. a ball bearing; 9. a middle shell; 10. a shaft sleeve; 11. A nozzle tip; 12. a probe rod; 13. a first clamping jaw; 14. a second jaw; 15. a second shell; 16. a first shell; 17. An inner shell; 18. a bolt; 20. positioning blocks; 21. a spring; 22. a cover plate; 131. a first protruding end; 141. a second protruding end; 142. a counterbore.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-4, the direction-changing type double-arm pilot drill structure of the embodiment includes a drill bit connecting portion and a drill rod connecting portion which are connected with each other, a fixed included angle is formed between the drill bit connecting portion and a casing of the drill rod connecting portion, the drill bit connecting portion is connected with the inside of the drill rod connecting portion through a direction-changing structure, the direction-changing structure includes a first jaw 13 fixed in the drill bit connecting portion, and a second jaw 14 fixed in the drill rod connecting portion and in clearance fit with the first jaw 13, the first jaw 13 is integrally cylindrical, a head portion of the first jaw axially extends to form a plurality of first protruding ends 131 which are uniformly distributed at intervals in the circumferential direction, a cross section of each first protruding end 131 is in a fan-shaped structure, the second jaw 14 is integrally cylindrical, a head portion of the second jaw axially extends to form a plurality of second protruding ends 141 which are uniformly distributed at intervals, a rectangular groove matched with the second protruding end 141 is formed between every two adjacent first protruding ends 131, and the first jaw 13 and the second jaw 14 are mutually clamped and relatively rotate.
The head of the first jaw 13 is provided with four first protruding ends 131, the head of the second jaw 14 is provided with four second protruding ends 141, each second protruding end 141 is integrally of a rectangular structure, the inner side and the outer side of each second protruding end are arc surfaces, and the two end surfaces and the top surface are planes.
The mounting structure of drilling rod connecting portion does: the drill bit comprises a first outer shell 16, wherein a first inner shell 17 is installed in the first outer shell through a bolt 18, one end of the first outer shell 16 and one end of the first inner shell 17 are respectively connected with an outer drill rod and an inner drill rod, the other end of the first outer shell 16 is connected with a second outer shell 15 of a drill bit connecting portion, the other end of the first inner shell 17 is clamped with a second clamping jaw 14, and a counter bore 142 clamped on the first inner shell 17 is formed in the second clamping jaw 14.
The mounting structure of drill bit connecting part does: the drill bit connecting shaft is characterized by comprising a drill bit connecting shaft 1, wherein the drill bit connecting shaft 1 is integrally in a conical structure, the small-diameter end of the drill bit connecting shaft is sleeved with a first clamping jaw 13, and the large-diameter end of the drill bit connecting shaft is provided with a groove for mounting a drill bit; wear-resisting bearing 2 is installed through axle sleeve 10 respectively to both sides on the drill bit connecting axle 1, the procapsid 3 and well casing 9 have been cup jointed respectively on the wear-resisting bearing 2 of both sides, procapsid 3 one end is through well casing 9 connection shell two 15, between procapsid 3 inner wall and the 1 outer wall of drill bit connecting axle, all install wave form gasket 5 between well casing 9 inner wall and the 1 outer wall of drill bit connecting axle, V-arrangement circle packing ring 6 and V-arrangement sealing washer 7, ball bearing 8 is still installed to 1 outer lane of drill bit connecting axle, be equipped with glib talker 11 in the well casing 9 of its.
And a TC space ring 4 is arranged between the end surface of the wear-resistant bearing 2 and the corrugated gasket 5.
And a fixed included angle is formed between the drill bit connecting part and the shell of the drill rod connecting part, wherein an included angle of 2 degrees is formed between the outer wall of the first shell 16 and the outer wall of the second shell 15.
A positioning block 20 is arranged in the first shell 16, one side of the first shell is clamped with one end of the probe 12, the other end of the probe 12 is wound with a spring 21, and the first shell 16 seals the probe 12 through a cover plate 22.
The utility model discloses an implementation as follows:
the drill rod connecting part and the drill bit connecting part of the novel structure are respectively connected with the drill rod and the drill bit, lubricating oil is filled into the drill rod and the drill bit through the oil nozzle 11 before/after use each time, and the outer part rotates forwards and the inner part rotates backwards during work; the guidance is divided into two cases: firstly, turning and advancing, adjusting the angle, aligning the drill bit at the head of the drill bit connecting shaft 1 to the drilling direction, keeping the outer drill rod from rotating, keeping the inner drill rod rotating, namely keeping the outer shell I16 from rotating, keeping the inner shell 17 from rotating, simultaneously driving the jaw I13, the jaw II 14 and the drill bit connecting shaft 1 to rotate, and automatically adjusting the angle by matching the jaw I13 and the jaw II 14, so that the whole body is turned while being screwed in front, and the turning angle is 2 degrees every time, and finally turning is completed; and secondly, the outer drill rod and the inner drill rod synchronously rotate when the drill rod advances linearly, namely the outer shell I16 and the inner shell 17 rotate simultaneously, and the whole drill rod advances linearly. The utility model discloses a phase change structure can conveniently accomplish diversion or linear motion, has that the moment of torsion is big, efficient convenient to use practices thrift advantages such as cost.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (7)
1. The utility model provides a diversion formula both arms direction bores structure which characterized in that: the drill bit connecting part and the drill rod connecting part are connected with each other, a fixed included angle is formed between the drill bit connecting part and a shell of the drill rod connecting part, the drill bit connecting part and the interior of the drill rod connecting part are connected through a turning structure, the turning structure comprises a first clamping jaw (13) fixed in the drill bit connecting part and a second clamping jaw (14) in clearance fit with the first clamping jaw (13) and fixed in the drill rod connecting part, the first clamping jaw (13) is integrally cylindrical, a plurality of first protruding ends (131) uniformly distributed at intervals in the circumferential direction are axially extended from the head of the first clamping jaw, the cross section of each first protruding end (131) is of a fan-shaped structure, the second clamping jaw (14) is integrally cylindrical, a plurality of second protruding ends (141) uniformly distributed at intervals in the circumferential direction are axially extended from the head of the second clamping jaw, and fan-shaped grooves matched with the first protruding, a rectangular groove matched with the protruding end II (141) is formed between every two adjacent protruding ends I (131), and the clamping jaws I (13) and the clamping jaws II (14) are clamped with each other and rotate relatively.
2. The direction-changing dual-arm pilot drill structure as claimed in claim 1, wherein: the head of the first jaw (13) is provided with four protruding ends I (131), the head of the second jaw (14) is provided with four protruding ends II (141), each protruding end II (141) is integrally of a rectangular structure, the inner side and the outer side of the protruding end II (141) are both arc surfaces, and the two end surfaces and the top surface are planes.
3. The direction-changing dual-arm pilot drill structure as claimed in claim 1, wherein: the mounting structure of the drill rod connecting part is as follows: the drill bit comprises a first outer shell (16), an inner shell (17) is installed in the first outer shell (16) through a bolt (18), one ends of the first outer shell (16) and the inner shell (17) are respectively connected with an outer drill rod and an inner drill rod, the other end of the first outer shell (16) is connected with a second outer shell (15) of a drill bit connecting portion, the other end of the inner shell (17) is clamped with a second clamping jaw (14), and a counter bore (142) clamped on the inner shell (17) is formed in the second clamping jaw (14).
4. The direction-changing dual-arm pilot drill structure as claimed in claim 3, wherein: the mounting structure of drill bit connecting part does: the drill bit connecting shaft is characterized by comprising a drill bit connecting shaft (1), wherein the drill bit connecting shaft (1) is integrally in a conical structure, the small-diameter end of the drill bit connecting shaft is sleeved with a first clamping jaw (13), and the large-diameter end of the drill bit connecting shaft is provided with a groove for mounting a drill bit; wear-resisting bearing (2) are installed through axle sleeve (10) respectively to both sides on drill bit connecting axle (1), procapsid (3) and well casing (9) have been cup jointed on the wear-resisting bearing (2) of both sides respectively, procapsid (3) one end is through well casing (9) connection shell two (15), between procapsid (3) inner wall and drill bit connecting axle (1) outer wall, all install wave form gasket (5) between well casing (9) inner wall and drill bit connecting axle (1) outer wall, V-arrangement circle packing ring (6) and V-arrangement sealing washer (7), ball bearing (8) are still installed to drill bit connecting axle (1) outer lane, be equipped with glib talker (11) in well casing (9) of its one side.
5. The direction-changing dual-arm pilot drill structure as claimed in claim 4, wherein: and a TC space ring (4) is arranged between the end surface of the wear-resistant bearing (2) and the wave-shaped gasket (5).
6. The direction-changing dual-arm pilot drill structure as claimed in claim 3, wherein: and a fixed included angle is formed between the drill bit connecting part and the shell of the drill rod connecting part, wherein an included angle of 2 degrees is formed between the outer wall of the first shell (16) and the outer wall of the second shell (15).
7. The direction-changing dual-arm pilot drill structure as claimed in claim 3, wherein: a positioning block (20) is installed in the first shell (16), one end of the probe rod (12) is clamped on one side of the first shell, a spring (21) is wound on the other end of the probe rod (12), and the first shell (16) is sealed with the probe rod (12) through a cover plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541412.3U CN213391992U (en) | 2020-07-29 | 2020-07-29 | Diversion type double-arm guide drill structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541412.3U CN213391992U (en) | 2020-07-29 | 2020-07-29 | Diversion type double-arm guide drill structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213391992U true CN213391992U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021541412.3U Active CN213391992U (en) | 2020-07-29 | 2020-07-29 | Diversion type double-arm guide drill structure |
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| Country | Link |
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| CN (1) | CN213391992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370231A (en) * | 2022-01-07 | 2022-04-19 | 深圳市钻通工程机械股份有限公司 | Double-shaft driving wireless signal variable bend angle type pilot bit |
-
2020
- 2020-07-29 CN CN202021541412.3U patent/CN213391992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370231A (en) * | 2022-01-07 | 2022-04-19 | 深圳市钻通工程机械股份有限公司 | Double-shaft driving wireless signal variable bend angle type pilot bit |
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