CN205558851U - Rock powder dredging device for borehole - Google Patents

Rock powder dredging device for borehole Download PDF

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Publication number
CN205558851U
CN205558851U CN201620224052.1U CN201620224052U CN205558851U CN 205558851 U CN205558851 U CN 205558851U CN 201620224052 U CN201620224052 U CN 201620224052U CN 205558851 U CN205558851 U CN 205558851U
Authority
CN
China
Prior art keywords
tube
drilling rod
rock
card tooth
borehole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620224052.1U
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Chinese (zh)
Inventor
许继影
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou University
Original Assignee
Suzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou University filed Critical Suzhou University
Priority to CN201620224052.1U priority Critical patent/CN205558851U/en
Application granted granted Critical
Publication of CN205558851U publication Critical patent/CN205558851U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a rock powder dredging device for borehole, include: drill bit, drilling rod, the drill bit rear portion centers on the drilling rod is equipped with one and drags for the rock power pipe, drag for the rock power pipe including inner tube and outer tube, the inner tube sets up the outer tube is inside and for the integrated into one piece setting, the top mouth and the bottom mouth of inner tube all are less than the top mouth and the bottom mouth of outer tube, the drilling rod sets up interior intraduct, be equipped with the link on the inner tube lower extreme lateral wall, be equipped with elasticity wedge card tooth on the link, be equipped with on the inner tube lateral wall with elasticity wedge card tooth matched with interface, be equipped with on the outer tube lateral wall with the draw -in groove that the cooperation of elasticity wedge card tooth was used. The utility model has the advantages of simple and reasonable structure, convenient to use can effectively salvage the rock power that drilling in the pit produced, has improved the speed and the quality of creeping into, has prolonged the life of drilling equipment.

Description

Rock powder dredging device for borehole
Technical field
This utility model relates to rock dust fishing device during coal mine underground construction Geology Drilling, is specifically related to a kind of rock powder dredging device for borehole.
Background technology
At coal mine underground construction Geology Drilling, visit and understand that hydrogeologic condition is the important content of mine preventing and controlling.At present, use when construction drill pressure injection clear water to be gone out by the rock dust in boring, be so beneficial to drill, but during practice of construction, it is frequently encountered by broken rock, rock dust in boring can not be gone out smoothly, has a strong impact on rate of penetration, the most also can cause boring lock of tool drilling etc..It is thus desirable to provide a kind of new technical scheme to solve.
Utility model content
The deficiency that this utility model exists for prior art just, it is provided that a kind of rock powder dredging device for borehole, this apparatus structure advantages of simple, easy to use, can effectively salvage the rock dust that down-hole drilling produces, improve the speed and quality crept into, extend the service life of rig.
Rock powder dredging device for borehole, including: drill bit, drilling rod, described drill bit rear portion is also provided with one around described drilling rod and drags for rock dust pipe, the described rock dust pipe that drags for includes inner and outer tubes, said inner tube is arranged on described outer tube and the setting that is formed in one, the top ports of said inner tube and bottom nozzle are below top ports and the bottom nozzle of described outer tube, described drilling rod is arranged on inside said inner tube, said inner tube lower end sidewall is provided with connecting joint, described connecting joint is provided with elastic wedge card tooth, said inner tube sidewall is provided with the interface matched with described elastic wedge card tooth, described outer tube wall be provided with described elastic wedge card tooth with the use of draw-in groove.
As optimal technical scheme, the axial line of described interface is positioned on same level line with the axial line of described draw-in groove, on described drilling rod corresponding described elastic wedge card tooth position be provided with elastic wedge card tooth with the use of thread.
As optimal technical scheme, said inner tube upper end sidewall is provided with chute, is provided with shrouding between described drilling rod and said inner tube, in the two ends of described shrouding are arranged on described chute and can slide up and down along chute.
All arrange in shape of a hoof rock dust import as optimal technical scheme, the top ports of described outer tube and the bottom nozzle of said inner tube.
Compared with prior art, implementation result of the present utility model is as follows for this utility model:
nullRock powder dredging device for borehole described in the utility model,The whole installation of inner and outer tubes makes drill bit when operation,Rock dust enters into internal tube along the bottom nozzle of inner tube,Rock dust can extrude elastic wedge card tooth,The head of elastic wedge card tooth can be extruded in interface,And then between inner tube and drilling rod, form gap,Then rock dust enters in inner tube along gap,When the rock dust amount once salvaged is bigger,The head of elastic wedge card tooth can be extruded in draw-in groove,And then between inner tube and drilling rod, form bigger gap,Then rock dust enters in inner tube in a large number along gap,Due to a large amount of Rock Powders enter in a large number inner tube make under gravity elastic wedge card tooth again with exact separation,Reset to the use of thread position,The rock dust that down-hole drilling produces can be effectively salvaged in the design of this structure,Improve the speed and quality crept into;Chute and shrouding with the use of so that when promoting drilling rod, elastic wedge card tooth forms sealing function with drilling rod, it is ensured that rock dust does not leaks down;The top ports of outer tube and the bottom nozzle of inner tube are all arranged in shape of a hoof rock dust import, improve the inlet of rock dust, improve and salvage efficiency.
Accompanying drawing explanation
Fig. 1 is rock powder dredging device for borehole off working state structural representation described in the utility model;
Fig. 2 is rock powder dredging device for borehole working state schematic representation described in the utility model.
Detailed description of the invention
Content of the present utility model is described below in conjunction with specific embodiments.
As shown in Figure 1-2, under rock powder dredging device for borehole off working state described in the utility model and duty under structural representation.This utility model rock powder dredging device for borehole, including: drill bit 10, drilling rod 20, drill bit 10 rear portion is also provided with one around drilling rod 20 and drags for rock dust pipe 30, drag for rock dust pipe 30 and include inner tube 40 and outer tube 50, inner tube 40 is arranged on outer tube 50 inside and the setting that is formed in one, the top ports 41 of inner tube 40 and bottom nozzle 42 are below top ports 51 and the bottom nozzle 52 of outer tube 50, it is internal that drilling rod 20 is arranged on inner tube 40, inner tube 40 lower end sidewall is provided with connecting joint 43, connecting joint 43 is provided with elastic wedge card 44, inner tube 40 sidewall is provided with the interface 45 matched with elastic wedge card tooth 44, outer tube 50 sidewall be provided with elastic wedge card tooth 44 with the use of draw-in groove 53.nullThe whole installation of inner tube 40 and outer tube 50 makes drill bit 10 when operation,Rock dust enters into inner tube 40 inside along the bottom nozzle 42 of inner tube 40,Rock dust can extrude elastic wedge card tooth 44,The head of elastic wedge card tooth 44 can be extruded in interface 45,And then between inner tube 40 and drilling rod 20, form gap,Then rock dust enters in inner tube 40 along gap,When the rock dust amount once salvaged is bigger,The head of elastic wedge card tooth 44 can be extruded in draw-in groove 53,And then between inner tube 40 and drilling rod 20, form bigger gap,Then rock dust enters in inner tube 40 in a large number along gap,Elastic wedge card tooth 44 is made to separate with draw-in groove 53 again under gravity owing to a large amount of Rock Powders enter into inner tube 40 in a large number,Reset to the use of thread 21 position,The rock dust that down-hole drilling produces can be effectively salvaged in the design of this structure,Improve the speed and quality crept into.
The axial line of the axial line of interface 45 and draw-in groove 53 is positioned on same level line, on drilling rod 20 corresponding elastic wedge card tooth 44 position be provided with elastic wedge card tooth 44 with the use of thread 21.The setting of thread 21 is easy to the reset of elastic wedge card tooth 44 and is used, and improves the efficiency and degree of convenience used.
Inner tube 40 upper end sidewall is provided with chute 46, is provided with shrouding 60 between drilling rod 20 and inner tube 40, in the two ends of shrouding 60 are arranged on chute 46 and can slide up and down along chute 46.Chute 46 and shrouding 60 with the use of so that when promoting drilling rod 20, elastic wedge card tooth 44 and drilling rod 20 form sealing function, it is ensured that rock dust does not leaks down.
The top ports 51 of outer tube 50 and the bottom nozzle 42 of inner tube 40 are all arranged in shape of a hoof rock dust import, improve the inlet of rock dust, improve and salvage efficiency.
nullUtility model works principle: the inner tube 40 of this utility model rock powder dredging device for borehole and the overall structure of outer tube 50 arrange and make drill bit 10 when operation,Rock dust enters into inner tube 40 inside along the bottom nozzle 42 of inner tube 40,Rock dust can extrude elastic wedge card tooth 44,The head of elastic wedge card tooth 44 can be extruded in interface 45,And then between inner tube 40 and drilling rod 20, form gap,Then rock dust enters in inner tube 40 along gap,When the rock dust amount once salvaged is bigger,The head of elastic wedge card tooth 44 can be extruded in draw-in groove 53,And then between inner tube 40 and drilling rod 20, form bigger gap,Then rock dust enters in inner tube 40 in a large number along gap,Elastic wedge card tooth 44 is made to separate with draw-in groove 53 again under gravity owing to a large amount of Rock Powders enter into inner tube 40 in a large number,Reset to the use of thread 21 position,The rock dust that down-hole drilling produces can be effectively salvaged in the design of this structure,Improve the speed and quality crept into.
Above content is the detailed description made this utility model in conjunction with specific embodiments, it is impossible to assert that this utility model is embodied as being only limitted to these explanations.For this utility model person of ordinary skill in the field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, the scope of this utility model protection should be all considered as belonging to.

Claims (4)

1. rock powder dredging device for borehole, including: drill bit (10), drilling rod (20), it is special Levy and be: described drill bit (10) rear portion is also provided with one around described drilling rod (20) and drags for rock dust Pipe (30), described in drag for rock dust pipe (30) and include inner tube (40) and outer tube (50), described interior Pipe (40) is arranged on described outer tube (50) inside and the setting that is formed in one, said inner tube (40) Top ports (41) and bottom nozzle (42) be below the top ports (51) of described outer tube (50) With bottom nozzle (52), it is internal that described drilling rod (20) is arranged on said inner tube (40), described Inner tube (40) lower end sidewall is provided with connecting joint (43), and described connecting joint (43) is provided with Elastic wedge card tooth (44), said inner tube (40) sidewall is provided with and described elastic wedge card The interface (45) that tooth (44) matches, described outer tube (50) sidewall is provided with and described bullet Property wedge-shaped card tooth (44) with the use of draw-in groove (53).
Rock powder dredging device for borehole the most according to claim 1, it is characterised in that: institute The axial line of the axial line and described draw-in groove (53) of stating interface (45) is positioned on same level line, Upper corresponding described elastic wedge card tooth (44) position of described drilling rod (20) is provided with and resilient wedge Shape card tooth (44) with the use of thread (21).
Rock powder dredging device for borehole the most according to claim 1, it is characterised in that: institute State inner tube (40) upper end sidewall and be provided with chute (46), described drilling rod (20) and said inner tube (40) being provided with shrouding (60) between, the two ends of described shrouding (60) are arranged on described chute (46) in and can slide up and down along chute (46).
Rock powder dredging device for borehole the most according to claim 1, it is characterised in that: institute State the bottom nozzle (42) of the top ports (51) of outer tube (50) and said inner tube (40) all in Shape of a hoof rock dust import is arranged.
CN201620224052.1U 2016-03-21 2016-03-21 Rock powder dredging device for borehole Expired - Fee Related CN205558851U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620224052.1U CN205558851U (en) 2016-03-21 2016-03-21 Rock powder dredging device for borehole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620224052.1U CN205558851U (en) 2016-03-21 2016-03-21 Rock powder dredging device for borehole

Publications (1)

Publication Number Publication Date
CN205558851U true CN205558851U (en) 2016-09-07

Family

ID=56815437

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620224052.1U Expired - Fee Related CN205558851U (en) 2016-03-21 2016-03-21 Rock powder dredging device for borehole

Country Status (1)

Country Link
CN (1) CN205558851U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109025881A (en) * 2018-07-03 2018-12-18 中勘资源勘探科技股份有限公司 A kind of husky device device of fishing
CN111173468A (en) * 2020-01-03 2020-05-19 西南石油大学 Hydraulic rock debris fishing tool for horizontal well

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109025881A (en) * 2018-07-03 2018-12-18 中勘资源勘探科技股份有限公司 A kind of husky device device of fishing
CN111173468A (en) * 2020-01-03 2020-05-19 西南石油大学 Hydraulic rock debris fishing tool for horizontal well

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160907

Termination date: 20170321

CF01 Termination of patent right due to non-payment of annual fee