CN218062258U

CN218062258U - Rope core taking double-tube single-action water-proof drilling tool

Info

Publication number: CN218062258U
Application number: CN202221857367.1U
Authority: CN
Inventors: 金小川; 赖凌; 邱泽松; 平益华; 高秀海
Original assignee: Jiangxi Jianghui Geological Engineering Survey Institute
Current assignee: Jiangxi Jianghui Geological Engineering Survey Institute
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-12-16
Anticipated expiration: 2032-07-19

Abstract

The utility model relates to a drilling tool technical field, and disclose double-barrelled single action water proof drilling tool of rope coring, solved present drilling tool flush fluid and easily erodeed the core of taking, greatly reduced the core rate of taking, and be difficult for keeping the problem of the original column structure of producing of core, it includes the outer tube, outer tube one end is connected with ladder alloy drill bit, and the inside one side of outer tube is connected with down the inner tube, and lower inner tube one end is connected with the retaining ring, and axial pressure is applyed through equipment and rotary motion realizes that the carving of core gets the collection, and the core gets into the lower inner tube that holds the core through ladder alloy drill bit, jump ring seat, and the flush fluid is from the drilling tool in through outer tube and last inner tube, the clearance between the lower inner tube, then from jump ring seat, the water jet eye of ladder alloy drill bit one side, clearance between drilling tool and the stratum return ground, realize the circulation, can avoid the direct washing away to the core of flush fluid to reach and improve the core rate of taking, keep original column structure, finally reach the purpose of studying into the ore deposit law, looking for.

Description

Rope coring double-tube single-action water-proof drilling tool

Technical Field

The utility model belongs to the technical field of the drilling tool, specifically be double-barrelled single-action water proof drilling tool is got to the rope.

Background

Drilling coring is a common method for obtaining formation samples, and because a double-tube single-action drill bit avoids mechanical crushing of a rock core caused by frictional vibration generated by rotation of the drill bit, the coring quality is high, and therefore, the drilling coring is generally carried out by adopting the double-tube single-action drill bit.

However, in the drilling and coring process, the drill bit needs to be continuously sprayed with flushing fluid, so that the drill bit is cooled and lubricated, and in the drilling process of the double-pipe single-action drilling tool, the phenomenon that the flushing fluid erodes samples in the inner pipe can often occur, so that the core sampling rate is greatly reduced, the original structure of the core is not easy to keep, and therefore, the rope core-removing double-pipe single-action water-proof drilling tool is designed.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a double-barrelled single-action water proof drilling tool is got to rope, the effectual present drilling tool flush fluid of having solved easily erodees the core of taking, greatly reduced the core rate of taking, and the difficult problem that keeps the original column structure of producing of core.

In order to achieve the above object, the utility model provides a following technical scheme: the rope coring double-barrelled single action water-proof drilling tool comprises an outer pipe, outer tube one end is connected with the ladder alloy drill bit, the inside one side of outer tube is connected with down the inner tube, lower inner tube one end is connected with the retaining ring, retaining ring one end is connected with the jump ring, jump ring seat internal connection has the jump ring, lower inner tube one end is connected with the inner tube and adjusts the lower clutch, the outer end threaded connection of lower clutch is adjusted to the inner tube has the inner tube to adjust the top connection, and the outside screw thread of lower clutch is adjusted to the inner tube has cup jointed first nut, the lower clutch internal connection has first steel ball under the inner tube is adjusted, the inner tube is adjusted the top connection one end and is connected with the inner tube.

Preferably, one end of the upper inner pipe is connected with a spring sleeve, one end of the spring sleeve is connected with a check valve, a second steel ball is connected inside the check valve, a pressure oil injection cup is connected to one side of the spring sleeve, the other end of the spring sleeve is connected with a sliding sleeve, and a connecting shaft is connected inside the sliding sleeve.

Preferably, a plane bearing is sleeved on one side of the outside of the connecting shaft, one end of the plane bearing is connected with a first spring, one end of the first spring is connected with a flat washer, one end of the flat washer is connected with a second nut, and the second nut is connected to the outer end of the connecting shaft.

Preferably, the outer end of the connecting shaft is connected with a dustproof bearing on one side of the sliding sleeve, one side of the dustproof bearing is connected with a reporting rubber ring, the middle of the reporting rubber ring is connected with a partition plate, and one side of the reporting rubber ring is connected with a baffle plate.

Preferably, connecting axle one end is connected with the joint, connects the outside and is located the outer tube surface and inlays and be equipped with the enlarger, connects one side and is located connecting axle outer end screw thread and has cup jointed the third nut, connects the outer end and has cup jointed the seat ring, and seat ring one side is connected with hangs the ring, connects the internal connection and has the sealing ring, and sealing ring one side is connected with bullet card frame, and bullet card frame internal connection has the third steel ball.

Preferably, bullet calliper one end is connected with bullet calliper through first elastic pin, and bullet calliper one end is connected with the recovery tube through second elastic pin, and recovery tube inside one side is connected with the tension spring, and recovery tube inside one side is connected with through the third elastic pin and drags for the lance seat, drags for lance seat one end and has drags for the spearhead through fourth elastic pin connection, drags for spearhead internal connection to have the second spring, and second spring one end is connected with the fourth steel ball.

Preferably, the outer tube is the setting of multistage structure, and the outer tube inner wall just lies in the outer coupling of inner tube down and has right the ring.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses, exert axial pressure and rotary motion through equipment and realize getting the collection carving of core, the core gets into the lower inner tube that holds the core through ladder alloy drill bit, jump ring seat, flush fluid passes through the clearance between outer tube and upper inner tube, lower inner tube from the drilling tool in, then return to ground from jump ring seat, the water jet hole of ladder alloy drill bit one side, the clearance between drilling tool and the stratum, realize the circulation, can avoid the direct washing away to the core of flush fluid, thereby reach and improve the core rate of taking, keep original product form structure, finally reach the purpose of studying into the ore deposit law, looking for the ore deposit;

(2) The novel drilling tool is applied to improve the rock core sampling rate, so that the purposes of researching the geological occurrence structure and the ore formation rule of the coal-series stratum (talc ore) and finding ores are achieved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the inner tube adjusting upper joint of the present invention;

FIG. 3 is a schematic structural view of the inner tube adjusting lower joint of the present invention;

in the figure: 1. an outer tube; 2. a stepped alloy drill bit; 3. a lower inner tube; 4. a retainer ring; 5. a clamp spring seat; 6. a clamp spring; 7. the lower joint of the inner pipe is adjusted; 8. an inner pipe adjusting upper joint; 9. a first nut; 10. a first steel ball; 11. an upper inner tube; 12. a spring housing; 13. a one-way valve; 14. a second steel ball; 15. a sliding sleeve; 16. a connecting shaft; 17. a flat bearing; 18. a first spring; 19. a flat washer; 20. a second nut; 21. a dust-proof bearing; 22. a message rubber ring; 23. a partition plate; 24. a baffle plate; 25. a joint; 26. a third nut; 27. a seat ring; 28. a suspension ring; 29. a seal ring; 30. a spring clip frame; 31. a third steel ball; 32. a first elastic pin; 33. snapping a caliper; 34. a second elastic pin; 35. a recovery pipe; 36. a tension spring; 37. a third elastic pin; 38. a spear dragging seat; 39. a fourth elastic pin; 40. fishing a spearhead; 41. a second spring; 42. a fourth steel ball; 43. a righting ring; 44. pressing and filling the oil cup; 45. a reamer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment one, given by fig. 1-3, the utility model discloses an outer tube 1, 1 one end of outer tube is connected with ladder alloy drill bit 2, 1 inside one side of outer tube is connected with inner tube 3 down, outer tube 1 is the multistage structure setting, 3 external connection in inner tube has righting ring 43 under 1 inner wall of outer tube just is located, 3 one end in inner tube is connected with retaining ring 4 down, 4 one end in retaining ring are connected with jump ring seat 5, 5 internal connection in jump ring seat has jump ring 6, 3 one end in inner tube is connected with the inner tube and adjusts lower clutch 7 down, 7 outer end threaded connection in inner tube adjustment lower clutch has the inner tube to adjust top connection 8, and 7 outside screw threads in inner tube adjustment lower clutch have cup jointed first nut 9, 7 internal connection in inner tube adjustment lower clutch has first steel ball 10, 8 one end in inner tube adjustment top connection has last inner tube 11.

In the second embodiment, on the basis of the first embodiment, one end of the upper inner tube 11 is connected with a spring sleeve 12, one end of the spring sleeve 12 is connected with a check valve 13, the inside of the check valve 13 is connected with a second steel ball 14, one side of the spring sleeve 12 is connected with a pressure oil injection cup 44, the other end of the spring sleeve 12 is connected with a sliding sleeve 15, the inside of the sliding sleeve 15 is connected with a connecting shaft 16, one side of the outside of the connecting shaft 16 is sleeved with a plane bearing 17, one end of the plane bearing 17 is connected with a first spring 18, one end of the first spring 18 is connected with a flat washer 19, one end of the flat washer 19 is connected with a second nut 20, the second nut 20 is connected with the outer end of the connecting shaft 16, which is located on one side of the sliding sleeve 15, is connected with a dust bearing 21, one side of the dust bearing 21 is connected with a message rubber ring 22, the middle part of the message rubber ring 22 is connected with a partition plate 23, one side of the message rubber ring 22 is connected with a baffle plate 24, one end of the connecting shaft 16 is connected with a joint 25, the reamer 45 is embedded in the outer portion of the joint 25 and located on the surface of the outer tube 1, the third nut 26 is sleeved in one side of the joint 25 and located on the outer end of the connecting shaft 16 in a threaded mode, the seat ring 27 is sleeved in the outer end of the joint 25, the suspension ring 28 is connected to one side of the seat ring 27, the sealing ring 29 is connected to one side of the joint 25, the elastic clamping frame 30 is connected to the third steel ball 31, the elastic clamping frame 30 is connected to one end of the elastic clamping frame 33 through the first elastic pin 32, one end of the elastic clamping frame 33 is connected to the recovery tube 35 through the second elastic pin 34, the tension spring 36 is connected to one side of the interior of the recovery tube 35, the fishing spear seat 38 is connected to one side of the interior of the recovery tube 35 through the third elastic pin 37, one end of the fishing spear seat 38 is connected to the fishing head 40 through the fourth elastic pin 39, the second spring 41 is connected to the interior of the fishing spear head 40, and one end of the second spring 41 is connected to the fourth steel ball 42.

The working principle is as follows: when using, be connected the device with drive arrangement, drilling tool during operation, exert axial pressure and rotary motion through equipment and realize getting the collection with the carving of core, the core is through ladder alloy bit 2, in jump ring seat 5 gets into the lower inner tube 3 that holds the core, the flush fluid is from getting in the drilling tool through outer tube 1 and last inner tube 11, the clearance between the lower inner tube 3, then from jump ring seat 5, the water spray hole of 2 one sides of ladder alloy bit, the clearance returns ground between drilling tool and the stratum, realize the circulation, can avoid the direct washing away to the core of flush fluid.

Claims

1. The rope coring double-barrelled single action water proof drilling tool includes outer tube (1), its characterized in that: the drill bit is characterized in that one end of the outer pipe (1) is connected with the stepped alloy drill bit (2), one side of the interior of the outer pipe (1) is connected with the lower inner pipe (3), one end of the lower inner pipe (3) is connected with the check ring (4), one end of the check ring (4) is connected with the clamp spring seat (5), the clamp spring seat (5) is internally connected with the clamp spring (6), one end of the lower inner pipe (3) is connected with the inner pipe adjusting lower joint (7), the outer end of the inner pipe adjusting lower joint (7) is in threaded connection with the inner pipe adjusting upper joint (8), the outer thread of the inner pipe adjusting lower joint (7) is sleeved with the first nut (9), the inner pipe adjusting lower joint (7) is internally connected with the first steel ball (10), and one end of the inner pipe adjusting upper joint (8) is connected with the upper inner pipe (11).

2. The rope coring dual-tube single-action water stop drill of claim 1, wherein: go up inner tube (11) one end and be connected with spring housing (12), spring housing (12) one end is connected with check valve (13), and check valve (13) internal connection has second steel ball (14), and one side of spring housing (12) is connected with pressure filling oil cup (44), and the spring housing (12) other end is connected with sliding sleeve (15), and sliding sleeve (15) internal connection has connecting axle (16).

3. The rope coring dual-tube single-action water stop drill of claim 2, wherein: the connecting shaft is characterized in that a plane bearing (17) is sleeved on one side of the outer portion of the connecting shaft (16), one end of the plane bearing (17) is connected with a first spring (18), one end of the first spring (18) is connected with a flat washer (19), one end of the flat washer (19) is connected with a second nut (20), and the second nut (20) is connected to the outer end of the connecting shaft (16).

4. The rope coring dual-tube single-action water stop drill of claim 3, wherein: the outer end of the connecting shaft (16) is connected with a dustproof bearing (21) on one side of the sliding sleeve (15), one side of the dustproof bearing (21) is connected with a reporting rubber ring (22), the middle of the reporting rubber ring (22) is connected with a partition plate (23), and one side of the reporting rubber ring (22) is connected with a baffle plate (24).

5. The rope coring dual-tube single-action water stop drill of claim 4, wherein: connecting axle (16) one end is connected with joint (25), and joint (25) outside just is located outer tube (1) surface and inlays and is equipped with enlarger (45), and joint (25) one side just is located connecting axle (16) outer end screw thread cover and has been cup jointed third nut (26), and joint (25) outer end has cup jointed seat ring (27), and seat ring (27) one side is connected with hangs ring (28), and joint (25) internal connection has sealing ring (29), and sealing ring (29) one side is connected with bullet card frame (30), and bullet card frame (30) internal connection has third steel ball (31).

6. The rope coring dual-tube single action marine riser tool of claim 5, wherein: bullet card frame (30) one end is connected with bullet caliper (33) through first elastic pin (32), bullet caliper (33) one end is connected with recovery tube (35) through second elastic pin (34), recovery tube (35) inside one side is connected with spring (36), recovery tube (35) inside one side is connected with drags for lance seat (38) through third elastic pin (37), drags for lance seat (38) one end to be connected with through fourth elastic pin (39) and drags for spearhead (40), drags for spearhead (40) internal connection to have second spring (41), second spring (41) one end is connected with fourth steel ball (42).

7. The rope coring dual-tube single-action water stop drill of claim 1, wherein: the outer tube (1) is of a multi-section structure, and the inner wall of the outer tube (1) is connected with a righting ring (43) outside the lower inner tube (3).