CN205858206U - A kind of plug-in type drilling rod alignment pin - Google Patents
A kind of plug-in type drilling rod alignment pin Download PDFInfo
- Publication number
- CN205858206U CN205858206U CN201620678819.8U CN201620678819U CN205858206U CN 205858206 U CN205858206 U CN 205858206U CN 201620678819 U CN201620678819 U CN 201620678819U CN 205858206 U CN205858206 U CN 205858206U
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- drilling rod
- pin
- alignment pin
- bearing pin
- hole
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Abstract
A kind of plug-in type drilling rod alignment pin, including drilling rod A, drilling rod B and alignment pin, described alignment pin is dismountable to link together drilling rod A and drilling rod B, one end of described drilling rod A is provided with groove, the part of the drilling rod A that groove is corresponding is provided with fairlead, and fairlead includes becket, and described drilling rod A is provided with location hole A, described becket is connected with hole, the location A on drilling rod A, and becket is provided with circular hole；One end of described drilling rod B is provided with the connecting shaft corresponding with groove, and connecting shaft is provided with the location hole B corresponding with positioning hole A.
Description
Technical field
This utility model relates to the connection equipment in a kind of colliery, especially relates to a kind of plug-in type drilling rod alignment pin
Axle.
Background technology
Colliery plug-in type auger stem, when bore operation according to drilling depth need it is connected one by one,
When asking each drilling rod to connect, easy installation and removal.When creeping into, drilling rod is also extruded by moment of flexure, pulling force, coal seam by while moment of torsion
The impact of power, it is desirable between each drilling rod, bonding strength is high, must not have the generation of Loss.Current implementation has following
Three kinds: a. bolt alignment pin；B. helical spring alignment pin；C.U type card alignment pin, but existing three kinds of technical schemes are respectively
There is certain technical disadvantages:
The first a scheme above-mentioned:
Bolt alignment pin connected mode, although intensity is high, but expose drilling rod due to bolt two and protrude outside, along with.
Creeping in coal seam, screw thread and outer surface on bolt, nut are worn rapidly, reduce its service life.Change, connect and bore
Dismount with two spanners during bar, waste time and energy, change dismounting efficiency low.
Above-mentioned the second b scheme:
Helical spring alignment pin connected mode, owing to being restricted by drill pipe diameter, Cylindrical locating pins diameter is little, bears
Pulling force is limited accordingly, when bearing bigger pulling force, often occurs that shank ruptures, and then makes drilling rod disconnect with drilling rod, leads
Cause drill bit, drilling rod is lost, and causes economic loss and waste.
The third c scheme above-mentioned:
U-shaped card alignment pin connected mode, although change convenient disassembly with drilling rod when drilling rod is connected, but, when U-shaped card location
When pin inserts drilling rod, U-shaped card alignment pin protrudes outside, by extruding and the rotary centrifugal force in coal seam during drilling rod rotary drilling,
Cause U-shaped card alignment pin to come off loss, and then cause drilling rod to be lost, cause economic loss and waste.
Utility model content
The purpose of this utility model is to provide a kind of easy installation and removal, bonding strength height, difficult drop-off and cost relatively
Low a kind of plug-in type drilling rod alignment pin.
For solving above-mentioned technical problem, this utility model provides a kind of plug-in type drilling rod alignment pin, including drilling rod A,
Drilling rod B and alignment pin, described drilling rod A and drilling rod B is linked together by alignment pin and alignment pin is dismountable and bores
Bar A is connected with drilling rod B, and one end of described drilling rod A is provided with groove, and the part of the drilling rod A that groove is corresponding is provided with fairlead,
Fairlead includes becket, and described drilling rod A is provided with location hole A, and described becket is connected with hole, the location A on drilling rod A,
Circular hole it is provided with on becket；One end of described drilling rod B is provided with the connecting shaft corresponding with groove, connecting shaft is provided with
Hole, the location B that location hole A is corresponding；Described alignment pin includes bearing pin, bearing pin through location hole A and location hole B by drilling rod A and
Drilling rod B links together, and bearing pin is provided with anti-drop device, and described anti-drop device includes that lateral pin and spring, a lateral pin part set
Putting internal at bearing pin and be connected with spring, another part stretches out bearing pin, and the lateral pin of projecting pin shaft portion is corresponding with circular hole, institute
Stating that lateral pin is telescopic to be arranged on bearing pin, lateral pin coordinates spring to play the effect of location anticreep, and described bearing pin is additionally provided with
Stopping means, stopping means is made up of back-up ring, and described back-up ring is arranged on bearing pin, is used for playing spacing to lateral pin and spring, anti-
Only lateral pin and spring eject.
More firm in order to make becket be connected with drilling rod A, this utility model improves to be had, described becket by welding with
Drilling rod A links together.
More firm in order to make back-up ring be connected with bearing pin, this utility model improves to be had, and described back-up ring and bearing pin are riveted on one
Rise.
Convenient in order to make bearing pin use, this utility model improves to be had, and described bearing pin could be arranged to difformity.
The beneficial effects of the utility model are: this utility model is novel in design, and simple in construction, drilling rod A and drilling rod B can realize
Fast Installation and the purpose of fast quick-detach, and alignment pin shaft design makes bonding strength uprise, and can bear bigger rising
It is more firm that the design of pull out force, transverse axis, spring and back-up ring makes alignment pin be connected with drilling rod A and drilling rod B, difficult drop-off, Du
Lose absolutely the phenomenon of drilling rod.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of plug-in type drilling rod alignment pin device structure schematic diagram of the present utility model；
Accompanying drawing 2 is the partial schematic diagram of a kind of plug-in type drilling rod alignment pin equipment of the present utility model；
Accompanying drawing 3 is the structural representation of alignment pin of the present utility model；
Label declaration: 1-drilling rod A；2-drilling rod B；3-alignment pin；4-groove；5-becket；6-positions hole A；7-circular hole；
8-connecting shaft；9-positions hole B；10-bearing pin；11-lateral pin；12-spring；13-back-up ring.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below in conjunction with enforcement
Mode also coordinates accompanying drawing to be explained in detail.
Referring to the drawings 1, this utility model provides a kind of plug-in type drilling rod alignment pin, including drilling rod A1, drilling rod B2 and
Alignment pin 3, described drilling rod A1 and drilling rod B2 is linked together by alignment pin 3 and alignment pin 3 is dismountable and drilling rod
A1 is connected with drilling rod B2, and one end of described drilling rod A1 is provided with groove 4, and the part of the drilling rod A1 of groove 4 correspondence is provided with to be led
To set, fairlead includes becket 5, and described drilling rod A1 is provided with location hole A6, described becket 5 and the location on drilling rod A1
Hole A6 is connected, and becket 5 is provided with circular hole 7；One end of described drilling rod B2 is provided with the connecting shaft 8 corresponding with groove 4,
The location hole B9 corresponding with positioning hole A6 it is provided with in connecting shaft 8；Described alignment pin includes bearing pin 10, and bearing pin 10 is through fixed
Drilling rod A1 and drilling rod B2 is linked together by position hole A6 and location hole B9, and bearing pin 10 is provided with anti-drop device, described anti-off loading
Putting and include that lateral pin 11 and spring 12, lateral pin 11 part are arranged on bearing pin 10 inside and are connected with spring 12, another part is stretched
Going out bearing pin 10, the lateral pin 11 stretching out bearing pin 10 part is corresponding with circular hole 7, and described lateral pin 11 is telescopic is arranged on bearing pin 10
On, lateral pin 11 coordinate spring 12 play location anticreep effect, described bearing pin 10 is additionally provided with stopping means, stopping means by
Back-up ring 13 forms, and described back-up ring 13 is arranged on bearing pin 10, is used for playing spacing to lateral pin 11 and spring 12, prevents lateral pin 11 He
Spring 12 ejects.
More firm in order to make becket be connected with drilling rod A, described becket 5 is connected to one by welding with drilling rod A1
Rise.More firm in order to make back-up ring be connected with bearing pin, described back-up ring 13 is riveted together with bearing pin 10.In order to make bearing pin use more
Adding conveniently, described bearing pin 10 could be arranged to difformity.
Drilling rod B2 is connected with the groove 4 of drilling rod A1 by connecting shaft, and then alignment pin 3 is through location hole A6 and location
Drilling rod A1 and drilling rod B2 is linked together by hole B9, when alignment pin 3 enters location hole A6 and location hole B9, manually by lateral pin
11 press down on so that it is through becket 5, then make lateral pin 11 enter in circular hole 7, then lateral pin 11 automatic spring so that
Alignment pin 3 is fixed on drilling rod A1, thus completes drilling rod A1 and the connection of drilling rod B2.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize equivalent structure or equivalence flow process conversion that this utility model description and accompanying drawing content made, or be directly or indirectly used in
Other relevant technical fields, are the most in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a plug-in type drilling rod alignment pin, including drilling rod A, drilling rod B and alignment pin, described drilling rod A and drilling rod B passes through
Alignment pin links together and alignment pin is dismountable is connected with drilling rod A and drilling rod B, and one end of described drilling rod A is arranged
Fluted, the part of the drilling rod A that groove is corresponding is provided with fairlead, and fairlead includes becket, and it is fixed that described drilling rod A is provided with
Position hole A, described becket is connected with hole, the location A on drilling rod A, becket is provided with circular hole；One end of described drilling rod B sets
It is equipped with the connecting shaft corresponding with groove, connecting shaft is provided with the location hole B corresponding with positioning hole A；Described alignment pin
Including bearing pin, drilling rod A and drilling rod B is linked together through location hole A and location hole B, bearing pin is provided with anti-off loading by bearing pin
Putting, described anti-drop device includes that lateral pin and spring, a lateral pin part are arranged on bearing pin inside and are connected with spring, another part
Stretching out bearing pin, the lateral pin of projecting pin shaft portion is corresponding with circular hole, and described lateral pin is telescopic to be arranged on bearing pin, described bearing pin
On be additionally provided with stopping means, stopping means is made up of back-up ring, and described back-up ring is arranged on bearing pin.
A kind of plug-in type drilling rod alignment pin the most according to claim 1, it is characterised in that described becket is by weldering
Connect and link together with drilling rod A.
A kind of plug-in type drilling rod alignment pin the most according to claim 1, it is characterised in that described back-up ring and bearing pin riveting
It is connected together.
A kind of plug-in type drilling rod alignment pin the most according to claim 1, it is characterised in that described bearing pin can be arranged
For difformity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620678819.8U CN205858206U (en) | 2016-06-30 | 2016-06-30 | A kind of plug-in type drilling rod alignment pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620678819.8U CN205858206U (en) | 2016-06-30 | 2016-06-30 | A kind of plug-in type drilling rod alignment pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858206U true CN205858206U (en) | 2017-01-04 |
Family
ID=57644211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620678819.8U Active CN205858206U (en) | 2016-06-30 | 2016-06-30 | A kind of plug-in type drilling rod alignment pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858206U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677717A (en) * | 2017-01-11 | 2017-05-17 | 河南铁福来装备制造股份有限公司 | Mine drill stem capable of being rapidly dismounted and connected |
| CN108397139A (en) * | 2018-03-19 | 2018-08-14 | 杭州好桩机械科技有限公司 | The dismountable threaded drillpipe of ultra-deep pile foundation |
| CN108979549A (en) * | 2018-08-03 | 2018-12-11 | 邹城兖矿泰德工贸有限公司 | Powder drill bit is arranged in dry type |
| CN109667549A (en) * | 2018-12-19 | 2019-04-23 | 长沙万钛工程机械有限公司 | A kind of combination type drill bit |
-
2016
- 2016-06-30 CN CN201620678819.8U patent/CN205858206U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677717A (en) * | 2017-01-11 | 2017-05-17 | 河南铁福来装备制造股份有限公司 | Mine drill stem capable of being rapidly dismounted and connected |
| CN106677717B (en) * | 2017-01-11 | 2019-02-15 | 河南铁福来装备制造股份有限公司 | A kind of drilling rod of coal mine quick release and connection |
| CN108397139A (en) * | 2018-03-19 | 2018-08-14 | 杭州好桩机械科技有限公司 | The dismountable threaded drillpipe of ultra-deep pile foundation |
| CN108979549A (en) * | 2018-08-03 | 2018-12-11 | 邹城兖矿泰德工贸有限公司 | Powder drill bit is arranged in dry type |
| CN109667549A (en) * | 2018-12-19 | 2019-04-23 | 长沙万钛工程机械有限公司 | A kind of combination type drill bit |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |