CN104612598A - Automatic plug-in type spiral drill rod - Google Patents

Automatic plug-in type spiral drill rod Download PDF

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Publication number
CN104612598A
CN104612598A CN201410765326.3A CN201410765326A CN104612598A CN 104612598 A CN104612598 A CN 104612598A CN 201410765326 A CN201410765326 A CN 201410765326A CN 104612598 A CN104612598 A CN 104612598A
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China
Prior art keywords
hole
dead bolt
joint
male joint
screw
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Granted
Application number
CN201410765326.3A
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Chinese (zh)
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CN104612598B (en
Inventor
郭文亮
张�杰
田富强
孙瑞光
武利生
韩念琛
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Taiyuan University of Technology
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Taiyuan University of Technology
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Publication of CN104612598A publication Critical patent/CN104612598A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22Rods or pipes with helical structure
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

Abstract

The invention discloses an automatic plug-in type spiral drill rod. The automatic plug-in type spiral drill rod comprises a middle rod. Spiral blades are arranged on the outer side of the middle rod. One end of the middle rod and a female connector are welded, the other end of the middle rod and a male connector are welded, and the contact faces of the female connector and the male connector are regular octagon faces. A hole is formed in the middle of the male connector. A pair of spring bolts are installed in the hole. A compression spring is arranged between the upper spring bolt and the lower spring bolt. The movement of the spring bolts is limited by screws. A square through hole is formed in the middle of the female connector and matched with the spring bolts. The automatic plug-in type spiral drill rod can be used for automatic assembling and automatic disassembling of a gas hole punching equipment spiral drill rod connector, the labor intensity of workers can be relieved, the personal safety of workers is ensured, and the using performance and working efficiency of the drill rod are improved.

Description

A kind of autopatching formula auger stem
Technical field
The present invention relates to a kind of auger stem adopting automatic draw bail, be specifically related to a kind of autopatching formula auger stem, be applicable to coal mine gallery soft seam and beat gas hole apparatus field.
Background technology
Coal mine gas extraction realizes mainly through coal bed drilling, the directional drilling of China's coal-mine down-hole horizontal mainly adopts stable way-type drilling unit and helicoid hydraulic motor two kinds of modes to realize, in During regular rotation, two drilling rods all by manually realizing, will be connected by latch between every two drilling rods when connecting or dismantle.The design, by improving tool joint structure, realizes automatically connecting, can reduce hand labor intensity, make workman away from dangerous operation region, reduce unnecessary injures and deaths, improves functional performance and the operating efficiency of rig.
Summary of the invention
The present invention aims to provide a kind of autopatching formula auger stem, for Auto-mounting and the automatic dismantling of making gas hole auger stem joint, can alleviate the labour intensity of workman, improves the personal safety of workman, improves functional performance and the operating efficiency of drilling rod.
The present invention is achieved by the following technical solutions:
A kind of autopatching formula auger stem, comprise intermediate bar, be provided with helical blade outside intermediate bar, intermediate bar one end is welded with female joint, and the other end welds with male joint; Male joint main body is regular octahedron structure, and female joint is the cylindrical structure that inside is provided with octagon hole, and the contact end face of male joint and female joint is octagon face; Square through hole one is provided with in the middle part of described male joint, in square through hole one, a pair dead bolt is installed, dead bolt is for arrange up and down, upper lock tongue lower surface and lower dead bolt upper surface correspondence are provided with blind hole, Compress Spring is provided with in blind hole, the center of upper lock tongue bottom and lower dead bolt upper end is respectively equipped with guide hole, is provided with screw in guide hole, and screw restriction dead bolt moves; Be provided with square through hole two in the middle part of described female joint, coordinate with dead bolt.
In such scheme, described male joint, female joint are connected with intermediate bar by friction welding technological, and helical blade applies pretightning force and is welded on the external surface of intermediate bar.
In such scheme, described dead bolt is hexahedron, and top is circular arc, and other five faces are rectangle and adjacent surface intersects vertically, and hexahedral bottom is provided with four blind holes, and middle part is provided with guide hole.
In such scheme, square through hole one contact internal walls of described dead bolt and male joint, the side of male joint is provided with through hole, corresponding with the screw that dead bolt passes, and its end hole shape is stairstepping; Male joint opposite side is corresponding with the other end of screw is provided with blind hole, and this blind bore end is provided with internal thread, with the external screw thread of screw end with the use of.
In such scheme, described Compress Spring is provided with four groups.
In the present invention, two faces symmetrical on described female joint inwall octagon face have the square through hole coordinated with dead bolt, when the shoulder of male joint contacts with shoulder of the box, the dead bolt in the middle part of male joint just in time enters the square through hole of female joint, moving axially of restriction intermediate bar.When described male joint, female joint connect, shoulder and the female joint end face of male joint bear pressure, and when exiting, dead bolt bears axial tension, octagon contact surface transmitting torque in rotary course.
Of the present invention beneficial effect:
(1) autopatching formula auger stem provided by the invention torque ratio in precession process is larger, the male and female joint adopted is the contact of octagon face, larger moment of torsion can be born when ensure that drilling rod works, decrease the gap between male and female joint, reduce the impact in the course of the work between male and female joint, extend the application life of drilling rod.
(2) autopatching formula auger stem of the present invention joint connect solid and reliable, present design will under; Being undertaken analyzing it by finite element software ABAQUS is subject to peak torque, pulling force, propulsive force etc. all in safe range, namely can produce in batches.
(3) autopatching formula auger stem structure of the present invention is simple, and easy to process, installation and removal complete by auxiliary device operation without the need to manually starting, and can realize plug and play, convenient and swift.
(4) present invention achieves Auto-mounting and the automatic dismantling of auger stem, the labour intensity of workman can be alleviated, make workman away from dangerous operation district, guarantee the personal safety of workman, improve functional performance and the operating efficiency of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of auger stem of the present invention;
Fig. 2 is the partial sectional view of auger stem of the present invention;
Fig. 3 is the structural representation of auger stem of the present invention removing dead bolt;
Fig. 4 is the sectional view along A-A line in Fig. 3;
Fig. 5 is the sectional view along B-B line in Fig. 3;
Fig. 6 is the scheme of installation of dead bolt, spring and screw;
Fig. 7 is the stereogram of spring bolt parts.
In figure, 1 is female joint, and 2 is helical blade, and 3 is intermediate bar, and 4 is dead bolt, and 5 is male joint, and 6 is Compress Spring, and 7 is screw, and 8 is shoulder hole, and 9 is through hole one, and 10 is through hole two, and 11 is guide hole.
Detailed description of the invention
Further illustrate the present invention below by embodiment, but be not limited to following examples.
Embodiment 1:
As shown in Fig. 1 ~ 7, a kind of autopatching formula auger stem, comprises intermediate bar 3, is provided with helical blade 2 outside intermediate bar, and intermediate bar 3 one end is welded with female joint 1, and the other end welds with male joint 5; Male joint 5 main body is regular octahedron structure, and female joint 1 is the inner cylindrical structure being provided with octagon hole, and male joint 5 is octagon face with the contact end face of female joint 1; Be provided with through hole one 9(in the middle part of described male joint 5 and see Fig. 5), in through hole 1, a pair dead bolt 4 is installed, dead bolt 4 is for arrange up and down, upper lock tongue lower surface and lower dead bolt upper surface correspondence are provided with blind hole, Compress Spring 6 is provided with in blind hole, the center of upper lock tongue bottom and lower dead bolt upper end is respectively equipped with guide hole 11, is provided with screw 7 in guide hole 11, and screw 7 limits dead bolt 4 and moves (see figure 6); Be provided with through hole two 10(in the middle part of described female joint 1 and see Fig. 4), coordinate with dead bolt 4.
Described male joint, female joint are connected with intermediate bar by friction welding technological, and helical blade applies pretightning force and is welded on the external surface of intermediate bar.
Described dead bolt is hexahedron, and top is circular arc, and other five faces are rectangle and adjacent surface intersects vertically, and hexahedral bottom is provided with four blind holes, and middle part is provided with guide hole 11.(see figure 7)
Square through hole 1 contact internal walls of described dead bolt and male joint, the side of male joint is provided with through hole, corresponding with the screw 7 that dead bolt passes, and its end hole shape is shoulder hole 8(sees Fig. 5); Male joint opposite side is corresponding with the other end of screw 7 is provided with blind hole, and this blind bore end is provided with internal thread, with the external screw thread of screw end with the use of.
Described Compress Spring 6 is provided with four groups of (see figure 6)s.
Implementation process of the present invention is divided into installation and removal two processes:
(1) face that the female joint in the face of another drilling rod accurate being provided with dead bolt in installation process is provided with through hole two feeds axial force, the inclined-plane of dead bolt contacts with female joint front end face, to the power that dead bolt is downward, dead bolt is made to be retracted in the through hole one of male joint, when the shoulder of male joint contacts with shoulder of the box, just in time dead bolt ejects, enter in the through hole two of female joint, contact with female joint square through hole face before dead bolt when drilling rod exits and bear axial tension, octagon contact surface transmitting torque during rotation.
(2) during dismounting, the square through hole two primer fluid cylinder pressure of two pawls alignings female joint of manipulator makes dead bolt indentation, and when the top and the bottom of dead bolt are retracted into consistent with male joint face height simultaneously, power set feed axial tension, and two drilling rods are separated.
This drilling rod male and female joint adopts alloy steel to make, and intermediate bar adopts general material, and strengthens its rigidity and intensity by heat treatment.The male and female joint of drilling rod is connected with intermediate bar by friction welding technological, and helical blade applies pretightning force in advance and is welded on the external surface of intermediate bar.The intensity of drilling rod analyzes result by ABAQUS, meets requirement of strength, and the pitch of helical blade also can determine optimum pitch by simulation, reaches best row's powder effect.By COMPREHENSIVE CALCULATING and simulation, field trial is also had to obtain the major parameter of auger stem.
The performance parameter of the present embodiment drilling rod:
The length of 1 every root screw rod is: 1500mm;
2 peripheral diameters are: 100mm;
3 polished rod external diameters are: 73mm;
4 helical blade height are: 13.5mm;
5 width of blades are: 5mm;
6 vanepistons are: 100mm;
7 these male and female joints are that 8 octagon faces coordinate, and male joint external diameter is; 59.5mm, female joint internal diameter: 60mm.
8 maximum drilling speeds are: 800r/min;
9 torque capacitys are: 8000NM;
10 maximum feeding rates are: 0.25m/s;
11 is maximum to back speed degree: 0.3m/s;
12 maximum thrusts: 60kN;
13 maximum pulls: 160 kN.
Above-described embodiment is only a kind of scheme of the present invention, and not do any pro forma restriction to the present invention, every technology utilizing the present embodiment, comprises and do simple change to the present embodiment, all belong to the scope of protection of the invention.

Claims (5)

1. an autopatching formula auger stem, comprises intermediate bar, it is characterized in that: be provided with helical blade outside described intermediate bar, and intermediate bar one end is welded with female joint, and the other end welds with male joint; Male joint main body is regular octahedron structure, and female joint is the cylindrical structure that inside is provided with octagon hole, and the contact end face of male joint and female joint is octagon face; Square through hole one is provided with in the middle part of described male joint, in through hole one, a pair dead bolt is installed, dead bolt is for arrange up and down, upper lock tongue lower surface and lower dead bolt upper surface correspondence are provided with blind hole, Compress Spring is provided with in blind hole, the center of upper lock tongue bottom and lower dead bolt upper end is respectively equipped with guide hole, is provided with screw in guide hole, and screw restriction dead bolt moves; Be provided with square through hole two in the middle part of described female joint, coordinate with dead bolt.
2. autopatching formula auger stem according to claim 1, is characterized in that: described male joint, female joint are connected with intermediate bar by friction welding technological, and helical blade applies pretightning force and is welded on the external surface of intermediate bar.
3. autopatching formula auger stem according to claim 1, it is characterized in that: described dead bolt is hexahedron, top is circular arc, and other five faces are rectangle and adjacent surface intersects vertically, and hexahedral bottom is provided with four blind holes, and middle part is provided with guide hole.
4. autopatching formula auger stem according to claim 1, is characterized in that: square through hole one contact internal walls of described dead bolt and male joint, and the side of male joint is provided with through hole, corresponding with the screw that dead bolt passes, and its end hole shape is stairstepping; Male joint opposite side is corresponding with the other end of screw is provided with blind hole, and this blind bore end is provided with internal thread, with the external screw thread of screw end with the use of.
5. autopatching formula auger stem according to claim 1, is characterized in that: described Compress Spring is provided with four groups.
CN201410765326.3A 2014-12-15 2014-12-15 Automatic plug-in type spiral drill rod Active CN104612598B (en)

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Application Number Priority Date Filing Date Title
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CN104612598B CN104612598B (en) 2017-05-10

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912491A (en) * 2015-05-20 2015-09-16 太原理工大学 Automatic-rotating rapid dismounting and mounting type spiral drill rod
CN105298409A (en) * 2015-11-16 2016-02-03 太原理工大学 Drill rod quick connector
CN106854981A (en) * 2016-12-12 2017-06-16 太原理工大学 A kind of double dynamical snap joint auger stem
CN109184587A (en) * 2018-11-06 2019-01-11 江苏和信石油机械有限公司 A kind of slider-actuated formula ocean threaded drillpipe
CN109209253A (en) * 2018-11-06 2019-01-15 江苏和信石油机械有限公司 A kind of sealing compresses formula ocean threaded drillpipe
CN109854187A (en) * 2019-01-07 2019-06-07 中国矿业大学 A kind of coalcutter auger stem
CN109931008A (en) * 2019-04-04 2019-06-25 邹城兖矿泰德工贸有限公司 Geologic drilling rod
CN111119753A (en) * 2020-02-25 2020-05-08 中煤科工集团西安研究院有限公司 Drill rod male joint, automatic plug-in type spiral drill rod and construction method of automatic plug-in type spiral drill rod
CN111119753B (en) * 2020-02-25 2021-08-31 中煤科工集团西安研究院有限公司 Drill rod male joint, automatic plug-in type spiral drill rod and construction method of automatic plug-in type spiral drill rod

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD289794A5 (en) * 1989-12-07 1991-05-08 Braunkohlenwerk Glueckauf,De Screw connection for hollow screw tubes
CN2179455Y (en) * 1993-12-06 1994-10-12 山东省地质探矿机械厂 Plug-in drill rod joint
CN102220844A (en) * 2011-06-24 2011-10-19 中煤科工集团西安研究院 Plug-in type diamond composite sheet anchor rod drill bit and connecting sleeve thereof
CN202125249U (en) * 2011-06-24 2012-01-25 中煤科工集团西安研究院 Casting plug-in type diamond compact anchor rod bit and connecting sleeve thereof
CN102345447A (en) * 2011-06-24 2012-02-08 中煤科工集团西安研究院 Casting spliced diamond composite sheet anchor rod drill bit and connecting sleeve thereof
CN203321358U (en) * 2013-05-31 2013-12-04 王海峰 Spring positioning pin for connection of plug-in drill pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD289794A5 (en) * 1989-12-07 1991-05-08 Braunkohlenwerk Glueckauf,De Screw connection for hollow screw tubes
CN2179455Y (en) * 1993-12-06 1994-10-12 山东省地质探矿机械厂 Plug-in drill rod joint
CN102220844A (en) * 2011-06-24 2011-10-19 中煤科工集团西安研究院 Plug-in type diamond composite sheet anchor rod drill bit and connecting sleeve thereof
CN202125249U (en) * 2011-06-24 2012-01-25 中煤科工集团西安研究院 Casting plug-in type diamond compact anchor rod bit and connecting sleeve thereof
CN102345447A (en) * 2011-06-24 2012-02-08 中煤科工集团西安研究院 Casting spliced diamond composite sheet anchor rod drill bit and connecting sleeve thereof
CN203321358U (en) * 2013-05-31 2013-12-04 王海峰 Spring positioning pin for connection of plug-in drill pipe

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912491A (en) * 2015-05-20 2015-09-16 太原理工大学 Automatic-rotating rapid dismounting and mounting type spiral drill rod
CN105298409A (en) * 2015-11-16 2016-02-03 太原理工大学 Drill rod quick connector
CN106854981A (en) * 2016-12-12 2017-06-16 太原理工大学 A kind of double dynamical snap joint auger stem
CN109184587A (en) * 2018-11-06 2019-01-11 江苏和信石油机械有限公司 A kind of slider-actuated formula ocean threaded drillpipe
CN109209253A (en) * 2018-11-06 2019-01-15 江苏和信石油机械有限公司 A kind of sealing compresses formula ocean threaded drillpipe
CN109854187A (en) * 2019-01-07 2019-06-07 中国矿业大学 A kind of coalcutter auger stem
CN109931008A (en) * 2019-04-04 2019-06-25 邹城兖矿泰德工贸有限公司 Geologic drilling rod
CN111119753A (en) * 2020-02-25 2020-05-08 中煤科工集团西安研究院有限公司 Drill rod male joint, automatic plug-in type spiral drill rod and construction method of automatic plug-in type spiral drill rod
CN111119753B (en) * 2020-02-25 2021-08-31 中煤科工集团西安研究院有限公司 Drill rod male joint, automatic plug-in type spiral drill rod and construction method of automatic plug-in type spiral drill rod

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