CN216714336U

CN216714336U - Automatic bead-throwing negative-pressure coring device for drilling

Info

Publication number: CN216714336U
Application number: CN202220017210.1U
Authority: CN
Inventors: 王宇杰; 杨朝辉; 鲁亚楠
Original assignee: Guangdong Province Planning & Design Institute For Water Transportation Co ltd
Current assignee: Guangdong Province Planning & Design Institute For Water Transportation Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-06-10
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses an automatic bead feeding negative pressure coring device for drilling, which comprises an automatic bead feeding joint shell, wherein the bottom of the outer side of the automatic bead feeding joint shell is in threaded connection with a rock core pipe, a through groove is formed in the top end of the automatic bead feeding joint shell, the top end of the inner wall of the through groove is in threaded connection with a first spring seat, the inner wall of the first spring seat is fixedly connected with a first spring clamp plate, the bottom end of the inside of the through groove is connected with a piston pipe in an inserting mode, and the top end of the piston pipe is connected with a connecting bottom plate. The utility model discloses a can guide the flush fluid to the drill bit outside, wash the drill bit outside, and can avoid the rock core to receive the direct washing away of flush fluid, during the coring, the spacing spring force of second promotes down for throw pearl top sleeve card and steel ball and drop into the piston tube inside, thereby block the flush fluid in the piston tube inside piston through-hole, avoid during it flows into the rock core pipe, effectively guarantee drilling tool safety, improve probing efficiency.

Description

Automatic bead-throwing negative-pressure coring device for drilling

Technical Field

The utility model relates to a coring device, in particular to an automatic bead feeding negative pressure coring device for drilling.

Background

Coring refers to the process of sampling rock from the stratum drilled by a drilling machine for understanding the geological conditions, and core drilling is usually rotary drilling, and the rock is cut and crushed in various ways, so that a drill bit continuously drills the core to the deep part of the stratum, the core sampling rate is high, and the defect is that core sorting is easily caused.

The existing coring device has the following defects: when carrying out the rock core to cohesive soil, the easy inflation kaolin of water, argillaceous shale weathering layer and loose easy loose type soil layer of washing and getting, the flush fluid in the drilling rod easily flows into and drills the core of getting for this core soil layer is washed by the flush fluid, and core soil layers such as cohesive soil and kaolin can be broken up the separation by liquid, influence sample effect, if do not use the clean of flushing fluid core difficult to maintain drilling, and influence drilling efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an automatic bead feeding negative pressure coring device for drilling, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an automatic bead throwing negative pressure coring device for drilling comprises an automatic bead throwing connector shell, wherein the bottom outside the automatic bead throwing connector shell is in threaded connection with a core pipe, a through groove is formed in the top end of the automatic bead throwing connector shell, a first spring seat is in threaded connection with the top end of the inner wall of the through groove, a first spring clamp plate is fixedly connected to the inner wall of the first spring seat, a piston pipe is connected to the bottom end inside the through groove in an inserting mode, a connecting bottom plate is connected to the top end of the piston pipe, a first limiting spring is connected between the connecting bottom plate and the first spring clamp plate, a bead throwing through groove is formed in the center of one side of the automatic bead throwing connector shell, a second spring seat is in threaded connection with the inside of the bead throwing through groove, a second spring clamp plate is fixedly connected to the inner wall of the second spring seat, and a bead throwing sleeve clamp is connected to the bottom end of the second spring clamp plate through a second limiting spring, the bottom end of the ball-throwing top sleeve clamp is fixedly connected with a steel ball which is contacted with the piston tube, the center of one side of the piston tube is provided with a ball-throwing hole, a piston through hole is arranged between the two ends of the piston tube, the ball throwing hole is fixedly communicated with the piston through hole, the ball throwing hole is matched with the steel ball in size, the inside of the rock core pipe is connected with a movable water separator in an inserting way, the top end of the movable water separator is fixedly connected with a water separator ejector rod, the bottom end of the inner wall of the core tube is provided with a drill bit, the top end of the drill bit is in contact connection with the movable water separator, the ejector rod of the water separator is positioned right below the piston pipe, the water separator comprises a water separator ejector rod, and is characterized in that first water inlet grooves are formed in the two sides of the front surface and the two sides of the back surface of the water separator ejector rod respectively, second water inlet grooves are formed in the two sides of the front surface and the back surface of the movable water separator respectively, and the first water inlet grooves are fixedly communicated with the second water inlet grooves opposite to the first water inlet grooves.

Furthermore, first limiting partition plates are fixedly arranged at the top ends of the inner walls of the core tubes, and first fixing shafts are fixedly connected among the first limiting partition plates; the movable water distributor is jacked up by the core, and the upward moving direction of the movable water distributor can be limited due to the limit connecting plate hinged between the first fixing shaft and the second fixing shaft.

Furthermore, the top of the front surface and the top of the back surface of the movable water separator are respectively fixedly provided with a second limiting clapboard, a second fixing shaft is fixedly connected between the second limiting clapboards, and a limiting connecting plate is hinged between the first fixing shaft and the second fixing shaft which is opposite to the first fixing shaft.

Furthermore, the top end of the automatic bead throwing connector shell is fixedly connected with a reducing connector.

Furthermore, an arc-shaped through groove is formed in the center of one side of the automatic bead throwing connector shell, and an arc-shaped lantern ring is inserted and connected into the arc-shaped through groove; through pushing into the arc logical groove with the arc lantern ring for arc baffle and second spring splint contact block.

Further, one side fixedly connected with of the arc lantern ring connects branch, the equal fixedly connected with arc baffle of one end of connecting branch.

Furthermore, one side of each arc-shaped partition plate is fixedly connected with a fixed connecting rod, and a rotary table is fixedly connected between the fixed connecting rods; through rotating the carousel for the carousel passes through fixed connecting rod, makes the arc baffle drive second spring clamp plate and second spring holder rotatory, thereby can take off the second spring holder.

Furthermore, a limiting clamping groove is fixedly formed in the bottom end of the inner wall of the piston tube, and the limiting clamping groove is matched with the size of the steel ball; the piston pipe is located the inside bottom of automatic pearl joint casing of throwing under the elastic force effect of first spacing spring, throws the pearl and leads to the groove and is blockked by the piston pipe this moment, and the flush fluid flows in the core barrel along the piston through-hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model relates to an automatic bead throwing negative pressure coring device for drilling, which is arranged on a drilling machine of a drilling machine, a rock core is drilled through a drill bit, a piston pipe is positioned at the bottom end inside an automatic bead throwing joint shell under the elastic force action of a first limiting spring when a rock stratum is drilled, a bead throwing through groove is blocked by the piston pipe at the moment, flushing fluid flows into a rock core pipe along a piston through hole, a first water inlet groove and a second water inlet groove are formed on the outer sides of a water distributor ejector rod and a movable water distributor, the flushing fluid can be guided to the outer side of the drill bit to flush the outer side of the drill bit, and the rock core can be prevented from being directly flushed by the flushing fluid.

2. The utility model relates to an automatic bead throwing negative pressure coring device for drilling, when a rock core is full and coring is carried out, the rock core pushes a movable water knockout drum upwards, the upward moving direction of the movable water knockout drum can be limited due to a limiting connecting plate hinged between a first fixing shaft and a second fixing shaft, the movable water knockout drum pushes a water knockout drum mandril to move upwards so as to push a piston pipe to move upwards, a bead throwing hole is communicated with a bead throwing through groove, a steel ball is thrown into the interior of the piston pipe under the elastic force of a second limiting spring, the steel ball is limited by a limiting clamping groove in the interior of the piston pipe, so that the steel ball is prevented from sliding and separating from the piston pipe, flushing fluid in a piston through hole in the interior of the piston pipe is prevented from flowing into a rock core pipe, a bead throwing top sleeve is clamped into the piston pipe, the piston pipe is limited by the piston pipe, flushing fluid is discharged along the bead throwing top sleeve clamp and the bead throwing through groove, and local circulation of the flushing fluid is formed so that rock powder sinking can be slowed down, effectively ensure the safety of the drilling tool and improve the drilling efficiency.

3. According to the automatic ball-throwing negative pressure coring device for drilling, after a drill is lifted, the arc-shaped sleeve ring is pushed into the arc-shaped through groove, the arc-shaped partition plate is in contact clamping with the second spring clamp plate, the rotary table is rotated through the fixed connecting rod, the arc-shaped partition plate drives the second spring clamp plate and the second spring seat to rotate, the second spring seat can be taken down, the second limiting spring, the ball-throwing top sleeve clamp and the steel balls are sequentially taken out, the position of the piston pipe is restored, then the steel balls, the ball-throwing top sleeve clamp and the second limiting spring are screwed, and repeated coring operation can be carried out.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic bead feeding negative pressure coring device for drilling according to the present invention.

FIG. 2 is a schematic view of a connection structure between an automatic ball-feeding joint shell and a core barrel of the automatic ball-feeding negative pressure coring device for drilling according to the present invention.

FIG. 3 is a schematic view of a connection structure between a first spring seat and a piston tube of the automatic ball-feeding negative pressure coring device for drilling.

FIG. 4 is a schematic view of a connection structure between a second spring seat and a ball-throwing top sleeve clamp of the automatic ball-throwing negative pressure coring device for drilling.

Fig. 5 is a schematic structural view of a core barrel of the automatic bead feeding negative pressure coring device for drilling according to the present invention.

FIG. 6 is a schematic structural view of a movable water separator of the automatic bead-feeding negative pressure coring device for drilling according to the present invention.

FIG. 7 is a schematic view of a connection structure between a rotary table and an arc-shaped sleeve ring of the automatic bead-feeding negative pressure coring device for drilling.

FIG. 8 is a schematic view of the internal structure of the automatic ball-feeding joint housing of the automatic ball-feeding negative pressure coring device for drilling according to the present invention.

In the figure: 1. an automatic bead-throwing connector shell; 2. a core barrel; 3. a reducing joint; 4. a first spring seat; 5. a first spring clamp plate; 6. a second spring seat; 7. a second spring clamp plate; 8. an arc-shaped partition plate; 9. fixing the connecting rod; 10. a turntable; 11. a drill bit; 12. a limiting clamping groove; 13. an arc-shaped lantern ring; 14. connecting a support rod; 15. a first limit spring; 16. connecting the bottom plate; 17. a piston tube; 18. a bead throwing hole; 19. a second limit spring; 20. putting a bead top sleeve card; 21. steel balls; 22. a first limiting clapboard; 23. a first fixed shaft; 24. a limiting connecting plate; 25. a water knockout drum ejector rod; 26. a first water inlet tank; 27. a movable water separator; 28. a piston through hole; 29. a second water inlet tank; 30. a second limiting clapboard; 31. a second stationary shaft.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-8, an automatic bead feeding negative pressure coring device for drilling comprises an automatic bead feeding connector shell 1, wherein the bottom of the outer side of the automatic bead feeding connector shell 1 is in threaded connection with a core pipe 2, the top end of the automatic bead feeding connector shell 1 is provided with a through groove, the top end of the inner wall of the through groove is in threaded connection with a first spring seat 4, the inner wall of the first spring seat 4 is fixedly connected with a first spring clamp plate 5, the bottom end of the inner part of the through groove is in insertion connection with a piston pipe 17, the top end of the piston pipe 17 is connected with a connecting bottom plate 16, a first limiting spring 15 is connected between the connecting bottom plate 16 and the first spring clamp plate 5, the center of one side of the automatic bead feeding connector shell 1 is provided with a bead feeding through groove, the inner part of the bead feeding through groove is in threaded connection with a second spring seat 6, and the inner wall of the second spring seat 6 is fixedly connected with a second spring clamp plate 7, the bottom end of the second spring clamp plate 7 is connected with a ball-throwing top sleeve clamp 20 through a second limiting spring 19, the bottom end of the ball-throwing top sleeve clamp 20 is fixedly connected with a steel ball 21, the steel ball 21 is in contact with a piston pipe 17, a ball-throwing hole 18 is formed in the center of one side of the piston pipe 17, a piston through hole 28 is formed between two ends of the piston pipe 17, the ball-throwing hole 18 is fixedly communicated with the piston through hole 28, the ball-throwing hole 18 is matched with the steel ball 21 in size, a movable water separator 27 is penetratingly connected inside the rock core pipe 2, a water separator ejector rod 25 is fixedly connected to the top end of the movable water separator 27, a drill bit 11 is mounted at the bottom end of the inner wall of the rock core pipe 2, the top end of the drill bit 11 is in contact connection with the movable water separator 27, the water separator ejector rod 25 is positioned under the piston pipe 17, and first water inlet grooves 26 are formed in two sides of the front face and the back face of the water separator ejector rod 25, the two sides and the back of the front of the movable water separator 27 are both provided with a second water inlet tank 29, and the first water inlet tank 26 is fixedly communicated with the second water inlet tank 29 opposite to the position.

The top end of the inner wall of the rock core pipe 2 is fixedly provided with first limiting partition plates 22, and first fixing shafts 23 are fixedly connected between the first limiting partition plates 22; the core pushes the movable water knockout drum 27 upwards, and the upward moving direction of the movable water knockout drum 27 can be limited due to the limit connecting plate 24 hinged between the first fixed shaft 23 and the second fixed shaft 31.

Second limiting partition plates 30 are fixedly arranged at the top of the front surface and the top of the back surface of the movable water separator 27, second fixing shafts 31 are fixedly connected between the second limiting partition plates 30, and limiting connecting plates 24 are hinged between the first fixing shafts 23 and the second fixing shafts 31 opposite to the first fixing shafts; because the limiting connecting plate 24 hinged between the first fixing shaft 23 and the second fixing shaft 31 can limit the upward moving direction of the movable water separator 27, the movable water separator 27 pushes the water separator ejector rod 25 to move upward, so that the piston pipe 17 is pushed to move upward, and the bead throwing hole 18 is communicated with the bead throwing through groove.

Wherein, the top end of the automatic bead throwing joint shell 1 is fixedly connected with a reducing joint 3.

An arc-shaped through groove is formed in the center of one side of the automatic bead throwing connector shell 1, and an arc-shaped lantern ring 13 is inserted and connected into the arc-shaped through groove; the arc-shaped partition plate 8 is in contact clamping with the second spring clamping plate 7 by pushing the arc-shaped lantern ring 13 into the arc-shaped through groove.

Wherein, one side fixedly connected with of arc lantern ring 13 connects branch 14, the equal fixedly connected with arc baffle 8 of one end of connecting branch 14.

One side of each arc-shaped partition plate 8 is fixedly connected with a fixed connecting rod 9, and a rotary table 10 is fixedly connected between the fixed connecting rods 9; through rotating carousel 10 for carousel 10 is through fixed connecting rod 9, makes ARC baffle 8 drive second spring plate 7 and second spring holder 6 rotatory, thereby can take off second spring holder 6.

The bottom end of the inner wall of the piston tube 17 is fixedly provided with a limiting clamping groove 12, and the limiting clamping groove 12 is matched with the steel ball 21 in size; the piston pipe 17 is located at the bottom end inside the automatic bead throwing connector shell 1 under the elastic force action of the first limiting spring 15, the bead throwing through groove is blocked by the piston pipe 17 at the moment, and washing liquid flows into the core barrel 2 along the piston through hole 28.

It should be noted that the utility model is an automatic bead throwing negative pressure coring device for drilling, when in use, the device is arranged on a drilling machine of a drilling machine, a rock core is drilled through a drill bit 11, when a rock stratum is drilled, a piston pipe 17 is positioned at the bottom end inside an automatic bead throwing joint shell 1 under the elastic force of a first limiting spring 15, at the moment, a bead throwing through groove is blocked by the piston pipe 17, flushing liquid flows into a rock core pipe 2 along a piston through hole 28, the flushing liquid can be guided to the outer side of the drill bit 11 through a first water inlet groove 26 and a second water inlet groove 29 which are arranged on the outer sides of a water distributor ejector rod 25 and a movable water distributor 27, the outer side of the drill bit 11 is flushed, the rock core can be prevented from being directly flushed, when the rock core is fully drilled, the flushing liquid is pushed to the upper part of the movable water distributor 27 by the rock core, because a limiting connecting plate 24 hinged between a first fixing shaft 23 and a second fixing shaft 31 can limit the upward direction of the movable water distributor 27, the movable water separator 27 pushes the water separator mandril 25 to move upwards, thereby pushing the piston tube 17 to move upwards, so that the ball throwing hole 18 is communicated with the ball throwing through groove, the steel ball 21 is thrown into the piston tube 17 under the elastic force of the second limiting spring 19, the steel ball 21 is clamped with the limiting clamping groove in the piston tube 17, thereby preventing the steel ball 21 from sliding to separate from the piston tube 17, thereby blocking the flushing fluid in the piston through hole 28 in the piston tube 17 and preventing the flushing fluid from flowing into the rock core tube 2, the ball throwing top sleeve clamp 20 enters the piston tube 17, is clamped with the piston tube 17 and limits the piston tube 17, so that the flushing fluid is discharged along the ball throwing top sleeve clamp 20 and the ball throwing through groove, the local circulation of the flushing fluid is formed, the rock dust sinking can be slowed down, the safety is effectively ensured, the drilling efficiency is improved, after the drilling is lifted, the arc-shaped drilling tool 13 is pushed into the arc-shaped through groove, so that the arc-shaped partition plate 8 is in contact with the second spring clamping plate 7, through rotating the carousel 10, make carousel 10 through fixed connecting rod 9, make the ARC baffle 8 drive second spring splint 7 and second spring holder 6 rotatory, thereby can take off second spring holder 6, take out second spacing spring 19 in proper order, throw pearl top cover card 20 and steel ball 21, restore piston tube 17 position, later with steel ball 21, throw pearl top cover card 20 and second spacing spring 19, screw second spring holder 6 again, can carry out repeated coring operation.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a boring is with throwing pearl negative pressure coring device automatically, includes that automatic throwing pearl connects casing (1), its characterized in that: the bottom of the outer side of the automatic bead throwing connector shell (1) is in threaded connection with a core pipe (2), a through groove is formed in the top end of the automatic bead throwing connector shell (1), a first spring seat (4) is in threaded connection with the top end of the inner wall of the through groove, a first spring clamp plate (5) is fixedly connected to the inner wall of the first spring seat (4), a piston pipe (17) is connected to the bottom end of the inside of the through groove in an inserting mode, a connecting bottom plate (16) is connected to the top end of the piston pipe (17), a first limiting spring (15) is connected between the connecting bottom plate (16) and the first spring clamp plate (5), a bead throwing through groove is formed in the center of one side of the automatic bead throwing connector shell (1), a second spring seat (6) is in threaded connection with the inside of the bead throwing through groove, and a second spring clamp plate (7) is fixedly connected to the inner wall of the second spring seat (6), the bottom end of the second spring clamp plate (7) is connected with a ball feeding top sleeve clamp (20) through a second limiting spring (19), the bottom end of the ball feeding top sleeve clamp (20) is fixedly connected with a steel ball (21), the steel ball (21) is in contact with a piston pipe (17), a ball feeding hole (18) is formed in the center of one side of the piston pipe (17), a piston through hole (28) is formed between two ends of the piston pipe (17), the ball feeding hole (18) is fixedly communicated with the piston through hole (28), the size of the ball feeding hole (18) is matched with that of the steel ball (21), a movable water distributor (27) is penetratingly connected into the rock core pipe (2), the top end of the movable water distributor (27) is fixedly connected with a water distributor ejector rod (25), a drill bit (11) is installed at the bottom end of the inner wall of the rock core pipe (2), and the top end of the drill bit (11) is in contact connection with the movable water distributor (27), the water knockout drum ejector pin (25) is located under piston pipe (17), first intake antrum (26) have all been seted up to the positive both sides of water knockout drum ejector pin (25) and the both sides at the back, second intake antrum (29) have all been seted up to the positive both sides of activity water knockout drum (27) and the back, first intake antrum (26) and the fixed intercommunication of the just right second intake antrum (29) in position.

2. The automatic bead feeding negative pressure coring device for drilling as claimed in claim 1, wherein: the top of core pipe (2) inner wall is fixed and is equipped with first spacing baffle (22), equal fixedly connected with first fixed axle (23) between first spacing baffle (22).

3. The automatic bead feeding negative pressure coring device for drilling as claimed in claim 2, wherein: the top at the front and the top at the back of the movable water separator (27) are both fixedly provided with second limiting partition plates (30), second fixing shafts (31) are fixedly connected between the second limiting partition plates (30), and limiting connecting plates (24) are hinged between the first fixing shafts (23) and the second fixing shafts (31) which are opposite in position.

4. The automatic bead feeding negative pressure coring device for drilling as claimed in claim 1, wherein: the top end of the automatic bead throwing joint shell (1) is fixedly connected with a reducing joint (3).

5. The automatic bead feeding negative pressure coring device for drilling as claimed in claim 1, wherein: an arc-shaped through groove is formed in the center of one side of the automatic bead throwing connector shell (1), and an arc-shaped lantern ring (13) is inserted and connected into the arc-shaped through groove.

6. The automatic bead feeding negative pressure coring device for drilling as claimed in claim 5, wherein: one side fixedly connected with connecting strut (14) of arc lantern ring (13), the equal fixedly connected with arc baffle (8) of one end of connecting strut (14).

7. The automatic bead feeding negative pressure coring device for drilling as claimed in claim 6, wherein: the arc-shaped partition board is characterized in that one side of the arc-shaped partition board (8) is fixedly connected with fixing connecting rods (9), and rotating discs (10) are fixedly connected between the fixing connecting rods (9).

8. The automatic bead feeding negative pressure coring device for drilling as set forth in claim 1, wherein: the bottom end of the inner wall of the piston pipe (17) is fixedly provided with a limiting clamping groove (12), and the limiting clamping groove (12) is matched with the steel balls (21) in size.