CN108868661A - A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod - Google Patents
A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod Download PDFInfo
- Publication number
- CN108868661A CN108868661A CN201811014559.4A CN201811014559A CN108868661A CN 108868661 A CN108868661 A CN 108868661A CN 201811014559 A CN201811014559 A CN 201811014559A CN 108868661 A CN108868661 A CN 108868661A
- Authority
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- China
- Prior art keywords
- drilling rod
- bar
- wall
- outer bar
- female connector
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 73
- 238000007789 sealing Methods 0.000 title claims abstract description 48
- 241001074085 Scophthalmus aquosus Species 0.000 title claims abstract description 21
- 241000731961 Juncaceae Species 0.000 title claims description 18
- 230000001681 protective Effects 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000036536 Cave Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Abstract
The invention discloses a kind of brills to rush dual-purpose three wings screw high-pressure sealing drilling rod,Including drilling rod ontology and drill bit,Drilling rod ontology includes outer bar and interior bar,Outer bar outer wall is equipped with helical blade,Outer bar inner wall is embedded with interior bar,Outer bar is fixedly connected with female connector,Female connector is threadedly coupled pin end,Pin end front end is equipped with and its integrally formed tapered end head,Female connector inner wall is equipped with circumferential groove,Annular groove is placed with sealing ring,Tapered end head is protruded into sealing ring and is abutted with it,Drill bit thread connects outer bar,The both ends of interior bar abut drill bit and female connector respectively,The present invention is by that can effectively increase drilling rod to the breaking capacity of coal petrography slag using three groups of helical blades,Three slagging channels having between three groups of helical blades are utilized simultaneously,Greatly improve deslagging efficiency,And by increasing sealing structure on female connector and pin end,Realize the high leakproofness of drilling rod,The needs of pressure water is to drilling rod when meeting punching,It is worth of widely use.
Description
Technical field
The present invention relates to technical field of mine safety, specially a kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod.
Background technique
During mining, improve protrusion-dispelling governance efficiency, improve leting speeper and gas release efficiency it is main there are two
Key factor, equipment of drilling and drilling tool.Drilling rod can become improve punching drilling effect in most cases as one of necessary drilling tool
The key constraints of rate.
Drilling rod is responsible for transmitting torque and deslagging during drilling.Then as the continuous intensification for depth of drilling, deslagging
As a kind of major issue.If deslagging has some setbacks during drilling, deslagging efficiency is too low, it is easy to the feelings for causing drilling rod to kill
Condition, once drilling rod kills, it is easy to and the case where causing drill rod breaking or abandoning drilling rod causes huge economic loss.Pass through
Increase drilling rod bar structure itself, optimization processing technology route come promote drilling rod intensity and deslagging efficiency be improve drilling rod usability
The main means of energy.
The different types of drilling rods such as existing Three-edged drill stem, rib drill stem, high tooth auger stem, although passing through this body structure
On change, improve deslagging efficiency to a certain extent, but in face of people to more efficient requirement, the ability of drilling rod is also
It is far from enough.In recent years simultaneously, hydraulic flushing in hole makes the major measure that cave also becomes the improvement of coal mine protrusion-dispelling, how to further increase
The function and service performance of drilling rod, become urgent problem.
Summary of the invention
The purpose of the present invention is to provide a kind of brills to rush dual-purpose three wings screw high-pressure sealing drilling rod, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：A kind of bore rushes dual-purpose three wings screw high-pressure sealing brill
Bar, including drilling rod ontology and drill bit, the drilling rod ontology include outer bar and interior bar, and the outer bar outer wall is equipped with helical blade, outside
Bar inner wall is embedded with interior bar, and the outer bar is fixedly connected with female connector, and the female connector is threadedly coupled pin end, before the pin end
End, which is equipped with, is equipped with circumferential groove with its integrally formed tapered end head, the female connector inner wall, and the annular groove is placed with sealing ring, institute
It states tapered end head to protrude into sealing ring and abut with it, the drill bit thread connects outer bar, and the both ends of the interior bar abut brill respectively
Head and female connector.
Preferably, it is 135 that the outer bar and interior bar, which are all made of grade,（S）The steel of grade, outer bar and interior bar internal diameter ratio are 1：
2, and its thickness of pipe ratio is 1：1.
Preferably, the outer bar outer wall is fixedly welded helical blade by the way of gas welding, and the helical blade is equipped with etc.
Three groups of screw pitch, interval angles when three groups of helical blades weld are 120 degree.
Preferably, the outer bar inner wall is equipped with groove, and the groove inner wall is fixedly connected with snap-gauge, and the interior bar outer wall is equipped with
With its integrally formed convex block, in convex block insertion snap-gauge, there are six the snap-gauge is set, six snap-gauges are in interior bar
Mandrel is uniformly distributed in circumferential direction.
Preferably, between the outer bar and interior bar be equipped with protective device, the protective device be set to two neighboring snap-gauge it
Between, the protective device includes top plate and bottom plate, spring card pole and spring, and the top plate is fixedly connected with outer bar inner wall, the bottom plate
It is fixedly connected with interior bar outer wall, top plate and bottom plate are fixedly connected with spring card pole, and the spring card pole is fixedly connected with spring.
Preferably, the female connector and outer bar are using friction welding (FW) to being welded into one, and female connector is that dextrorotation box thread connects
Head, the pin end are left-handed box thread connector, and the thread forms of pin end are a ° sealing pipe screw thread, the crest and tooth of screw thread
Bottom is arc-shaped.
Preferably, the interior bar thickness of pipe is equal with the threaded area thickness of pipe of drill bit and female connector respectively.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the present invention has three by that can effectively increase drilling rod to the breaking capacity of coal petrography slag using three groups of helical blades, while utilize
Three slagging channels between group helical blade, greatly improve deslagging efficiency, relative to common rib drill stem, drilling rod of the invention
Blade is more, lead is long so that drilling rod slagging channel is more, deslagging speed faster, and by increasing on female connector and pin end
The needs of sealing structure realizes the high leakproofness of drilling rod, and pressure water is to drilling rod when meeting punching；
2. the present invention is equipped with protective device between outer bar and interior bar, by spring in protective device, so that top plate forces in outside
Bar inner wall avoids outer bar from deforming, extends making for outer bar to realize that interior bar gives outer bar inner wall one powerful support force
Use the service life.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is outer bar and interior bar structural schematic diagram in the present invention；
Fig. 3 is the portion A enlarged structure schematic diagram in Fig. 2；
Fig. 4 is female connector and pin end structural schematic diagram in the present invention.
In figure：It is 1 outer bar, 2 interior bars, 3 drill bits, 4 helical blades, 5 female connectors, 6 pin ends, 7 tapered end heads, 8 annular grooves, 9 close
Seal, 10 grooves, 11 snap-gauges, 12 convex blocks, 13 top plates, 14 bottom plates, 15 spring card poles, 16 springs.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution：A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod,
Including drilling rod ontology and drill bit 3, drilling rod ontology includes outer bar 1 and interior bar 2, and 1 outer wall of outer bar is equipped with helical blade 4,1 inner wall of outer bar
It is embedded with interior bar 2, outer bar 1 is fixedly connected with female connector 5, and female connector 4 is threadedly coupled pin end 6, and 6 front end of pin end is equipped with and one
Body formed tapered end head 7,7 inner wall of female connector are equipped with circumferential groove 8, and annular groove 8 is placed with sealing ring 9, and tapered end head 7 protrudes into sealing ring
It interior 9 and is abutted with it.
Drill bit 3 is threadedly coupled outer bar 1, and the both ends of interior bar 2 abut drill bit 3 and female connector 4, and 2 thickness of pipe of interior bar point respectively
It is inequal with the threaded area thickness of pipe of drill bit 3 and female connector 5, so that interior bar 2 is limited between drill bit 3 and female connector 5.
Further, outer bar 1 and 2 internal diameter ratio of interior bar are 1：2, and its thickness of pipe ratio is 1：1.Outer bar 1 and interior bar 2 are all made of nothing
Steel pipe is met to be made, nothing meets steel pipe to use grade for 135（S）The steel of grade, so that outer bar 1 and interior bar 2 have very strong yield strength,
To improve the structural strength of drilling rod ontology.
As shown in Fig. 2, in the present embodiment, 1 outer wall of outer bar is fixedly welded helical blade 4, spiral by the way of gas welding
Blade 4 is equipped with three groups of uniform pitch, and interval angles when three groups of helical blades 4 weld are 120 degree, improves three groups of spiral shells
Vane piece 4 can effectively increase drilling rod ontology to the breaking capacity of coal petrography slag, while utilize three had between three groups of helical blades 4
Slagging channel greatly improves deslagging efficiency.
As shown in figure 3, in the present embodiment, 1 inner wall of outer bar is equipped with groove 10,10 inner wall of groove is fixedly connected with snap-gauge 11,
2 outer wall of interior bar be equipped with its integrally formed convex block 12, convex block 12 is embedded in snap-gauge 12, there are six snap-gauge 11 is set, six snap-gauges
11 are uniformly distributed with the central axis of interior bar 2 in circumferential direction.Protective device is equipped between outer bar 1 and interior bar 2, protective device is set to adjacent
Between two snap-gauges 11, protective device includes top plate 13, bottom plate 14, spring card pole 15 and spring 16, and top plate 13 is fixedly connected outer
1 inner wall of bar, bottom plate 14 are fixedly connected with 2 outer wall of interior bar, and top plate 13 and bottom plate 14 are fixedly connected with spring card pole 15, spring card pole 15
It is fixedly connected with spring 16.
When assembling outer bar 1 and interior bar 2, snap-gauge 11 is aligned snap-gauge 12, fills in interior bar 2 downwards in outer bar 1, the mistake filled in
It needs to press top plate 1 in journey, so that spring 16 is compressed, consequently facilitating interior bar 2 is inserted in outer bar 1.After being installed, compressed
Spring 16 afterwards provides active force to top plate 13, to protect outer bar 1 when being squeezed by external force, outer bar 1 will not deform.
As shown in figure 4, in the present embodiment, female connector 5 and outer bar 1 using friction welding (FW) to being welded into one, and female connector 5
For dextrorotation box thread connector, pin end 6 is left-handed box thread connector, and the thread forms of pin end 6 are 55 ° of sealing pipe screw threads,
The crest of screw thread and tooth bottom be it is arc-shaped, after screw thread screws, female connector 5 and pin end 6 have sealability.
By welding the helical blade 4 of three same screw pitch in outer bar 1, common drilling rod is made to become three wings auger stem,
120 degree of interval angles when helical blade 4 welds, keep the gap between dump tank uniform.By processing the public affairs in drilling rod ontology
6 front end of connector increases tapered end head 7, and public affairs can be made with the annular groove 8 of fixed seal ring 9 by increasing in 5 end of female connector of drilling rod ontology
6 front end of connector, 1 tapered end head 7 is in close contact with sealing ring 9 in 5 end groove of female connector.The outer water pump of pin end 6, water pump conveying
Water flow gives drilling rod ontology, and under the effect of drilling rod body interior hydraulic pressure, the sealing ring 9 of rubber material is pressed on tapered end head from inside
On 7, prevent drilling rod body interior high pressure water from revealing from the screw thread of female connector 5 and pin end 6.
Embodiment 1
A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod, including drilling rod ontology and drill bit 3, and the drilling rod ontology includes outer bar
1 and interior bar 2,1 outer wall of outer bar is equipped with helical blade 4, and 1 inner wall of outer bar is embedded with interior bar 2, and the outer bar 1 is fixedly connected with mother
Connector 5, the female connector 4 are threadedly coupled pin end 6, and 6 front end of pin end is equipped with and its integrally formed tapered end head 7, institute
7 inner wall of female connector is stated equipped with circumferential groove 8, the annular groove 8 is placed with sealing ring 9, and the tapered end head 7 protrudes into sealing ring 9 simultaneously
It is abutted with it, the drill bit 3 is threadedly coupled outer bar 1, and the both ends of the interior bar 2 abut drill bit 3 and female connector 4 respectively.
Embodiment 2
A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod, including drilling rod ontology and drill bit 3, and the drilling rod ontology includes outer bar
1 and interior bar 2,1 outer wall of outer bar is equipped with helical blade 4, and 1 inner wall of outer bar is embedded with interior bar 2, and the outer bar 1 is fixedly connected with mother
Connector 5, the female connector 4 are threadedly coupled pin end 6, and 6 front end of pin end is equipped with and its integrally formed tapered end head 7, institute
7 inner wall of female connector is stated equipped with circumferential groove 8, the annular groove 8 is placed with sealing ring 9, and the tapered end head 7 protrudes into sealing ring 9 simultaneously
It is abutted with it, the drill bit 3 is threadedly coupled outer bar 1, and the both ends of the interior bar 2 abut drill bit 3 and female connector 4 respectively.
The outer bar 1 and interior bar 2 are all made of the steel that grade is 135S grades, and outer bar 1 and 2 internal diameter ratio of interior bar are 1：2, and its
Thickness of pipe ratio is 1：1.
Embodiment 3
A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod, including drilling rod ontology and drill bit 3, and the drilling rod ontology includes outer bar
1 and interior bar 2,1 outer wall of outer bar is equipped with helical blade 4, and 1 inner wall of outer bar is embedded with interior bar 2, and the outer bar 1 is fixedly connected with mother
Connector 5, the female connector 4 are threadedly coupled pin end 6, and 6 front end of pin end is equipped with and its integrally formed tapered end head 7, institute
7 inner wall of female connector is stated equipped with circumferential groove 8, the annular groove 8 is placed with sealing ring 9, and the tapered end head 7 protrudes into sealing ring 9 simultaneously
It is abutted with it, the drill bit 3 is threadedly coupled outer bar 1, and the both ends of the interior bar 2 abut drill bit 3 and female connector 4 respectively.
The outer bar 1 and interior bar 2 are all made of the steel that grade is 135S grades, and outer bar 1 and 2 internal diameter ratio of interior bar are 1：2, and its
Thickness of pipe ratio is 1：1.
1 outer wall of outer bar is fixedly welded helical blade 4 by the way of gas welding, and the helical blade 4 is equipped with uniform pitch
Three groups, interval angles when three groups of helical blades 4 weld are 120 degree.
Embodiment 4
A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod, including drilling rod ontology and drill bit 3, and the drilling rod ontology includes outer bar
1 and interior bar 2,1 outer wall of outer bar is equipped with helical blade 4, and 1 inner wall of outer bar is embedded with interior bar 2, and the outer bar 1 is fixedly connected with mother
Connector 5, the female connector 4 are threadedly coupled pin end 6, and 6 front end of pin end is equipped with and its integrally formed tapered end head 7, institute
7 inner wall of female connector is stated equipped with circumferential groove 8, the annular groove 8 is placed with sealing ring 9, and the tapered end head 7 protrudes into sealing ring 9 simultaneously
It is abutted with it, the drill bit 3 is threadedly coupled outer bar 1, and the both ends of the interior bar 2 abut drill bit 3 and female connector 4 respectively.
The outer bar 1 and interior bar 2 are all made of the steel that grade is 135S grades, and outer bar 1 and 2 internal diameter ratio of interior bar are 1：2, and its
Thickness of pipe ratio is 1：1.
1 outer wall of outer bar is fixedly welded helical blade 4 by the way of gas welding, and the helical blade 4 is equipped with uniform pitch
Three groups, interval angles when three groups of helical blades 4 weld are 120 degree.
1 inner wall of outer bar is equipped with groove 10, and 10 inner wall of groove is fixedly connected with snap-gauge 11, and 2 outer wall of interior bar is set
Have and is embedded in snap-gauge 12 with its integrally formed convex block 12, the convex block 12, there are six the snap-gauge 11 is set, six snap-gauges
11 are uniformly distributed with the central axis of interior bar 2 in circumferential direction.
Embodiment 5
A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod, including drilling rod ontology and drill bit 3, and the drilling rod ontology includes outer bar
1 and interior bar 2,1 outer wall of outer bar is equipped with helical blade 4, and 1 inner wall of outer bar is embedded with interior bar 2, and the outer bar 1 is fixedly connected with mother
Connector 5, the female connector 4 are threadedly coupled pin end 6, and 6 front end of pin end is equipped with and its integrally formed tapered end head 7, institute
7 inner wall of female connector is stated equipped with circumferential groove 8, the annular groove 8 is placed with sealing ring 9, and the tapered end head 7 protrudes into sealing ring 9 simultaneously
It is abutted with it, the drill bit 3 is threadedly coupled outer bar 1, and the both ends of the interior bar 2 abut drill bit 3 and female connector 4 respectively.
The outer bar 1 and interior bar 2 are all made of the steel that grade is 135S grades, and outer bar 1 and 2 internal diameter ratio of interior bar are 1：2, and its
Thickness of pipe ratio is 1：1.
1 outer wall of outer bar is fixedly welded helical blade 4 by the way of gas welding, and the helical blade 4 is equipped with uniform pitch
Three groups, interval angles when three groups of helical blades 4 weld are 120 degree.
1 inner wall of outer bar is equipped with groove 10, and 10 inner wall of groove is fixedly connected with snap-gauge 11, and 2 outer wall of interior bar is set
Have and is embedded in snap-gauge 12 with its integrally formed convex block 12, the convex block 12, there are six the snap-gauge 11 is set, six snap-gauges
11 are uniformly distributed with the central axis of interior bar 2 in circumferential direction.
Protective device is equipped between the outer bar 1 and interior bar 2, the protective device is set between two neighboring snap-gauge 11,
The protective device includes top plate 13, bottom plate 14, spring card pole 15 and spring 16, and the top plate 13 is fixedly connected with 1 inner wall of outer bar,
The bottom plate 14 is fixedly connected with 2 outer wall of interior bar, and top plate 13 and bottom plate 14 are fixedly connected with spring card pole 15, the spring card pole 15
It is fixedly connected with spring 16.
Embodiment 6
A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod, including drilling rod ontology and drill bit 3, and the drilling rod ontology includes outer bar
1 and interior bar 2,1 outer wall of outer bar is equipped with helical blade 4, and 1 inner wall of outer bar is embedded with interior bar 2, and the outer bar 1 is fixedly connected with mother
Connector 5, the female connector 4 are threadedly coupled pin end 6, and 6 front end of pin end is equipped with and its integrally formed tapered end head 7, institute
7 inner wall of female connector is stated equipped with circumferential groove 8, the annular groove 8 is placed with sealing ring 9, and the tapered end head 7 protrudes into sealing ring 9 simultaneously
It is abutted with it, the drill bit 3 is threadedly coupled outer bar 1, and the both ends of the interior bar 2 abut drill bit 3 and female connector 4 respectively.
The outer bar 1 and interior bar 2 are all made of the steel that grade is 135S grades, and outer bar 1 and 2 internal diameter ratio of interior bar are 1：2, and its
Thickness of pipe ratio is 1：1.
1 outer wall of outer bar is fixedly welded helical blade 4 by the way of gas welding, and the helical blade 4 is equipped with uniform pitch
Three groups, interval angles when three groups of helical blades 4 weld are 120 degree.
1 inner wall of outer bar is equipped with groove 10, and 10 inner wall of groove is fixedly connected with snap-gauge 11, and 2 outer wall of interior bar is set
Have and is embedded in snap-gauge 12 with its integrally formed convex block 12, the convex block 12, there are six the snap-gauge 11 is set, six snap-gauges
11 are uniformly distributed with the central axis of interior bar 2 in circumferential direction.
Protective device is equipped between the outer bar 1 and interior bar 2, the protective device is set between two neighboring snap-gauge 11,
The protective device includes top plate 13, bottom plate 14, spring card pole 15 and spring 16, and the top plate 13 is fixedly connected with 1 inner wall of outer bar,
The bottom plate 14 is fixedly connected with 2 outer wall of interior bar, and top plate 13 and bottom plate 14 are fixedly connected with spring card pole 15, the spring card pole 15
It is fixedly connected with spring 16.
The female connector 5 and outer bar 1 are using friction welding (FW) to being welded into one, and female connector 5 is dextrorotation box thread connector, institute
Stating pin end 6 is left-handed box thread connector, and the thread forms of pin end 6 are 55 ° of sealing pipe screw threads, the crest of screw thread and tooth bottom
It is arc-shaped.
2 thickness of pipe of interior bar is equal with the threaded area thickness of pipe of drill bit 3 and female connector 5 respectively.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod, including drilling rod ontology and drill bit（3）, it is characterised in that：It is described
Drilling rod ontology includes outer bar（1）And interior bar（2）, the outer bar（1）Outer wall is equipped with helical blade（4）, outer bar（1）Inner wall is embedded with
Interior bar（2）, the outer bar（1）It is fixedly connected with female connector（5）, the female connector（4）It is threadedly coupled pin end（6）, the public access
Head（6）Front end is equipped with and its integrally formed tapered end head（7）, the female connector（7）Inner wall is equipped with circumferential groove（8）, the annular
Slot（8）It is placed with sealing ring（9）, the tapered end head（7）It protrudes into sealing ring（9）And it is abutted with it, the drill bit（3）Screw thread connects
Connect outer bar（1）, the interior bar（2）Both ends abut drill bit respectively（3）And female connector（4）.
2. a kind of brill according to claim 1 rushes dual-purpose three wings screw high-pressure sealing drilling rod, it is characterised in that：The outer bar
（1）And interior bar（2）Being all made of grade is 135（S）The steel of grade, outer bar（1）And interior bar（2）Internal diameter ratio is 1：2, and its thickness of pipe ratio
It is 1：1.
3. a kind of brill according to claim 1 rushes dual-purpose three wings screw high-pressure sealing drilling rod, it is characterised in that：The outer bar
（1）Outer wall is fixedly welded helical blade by the way of gas welding（4）, the helical blade（4）Three groups equipped with uniform pitch, three groups
Helical blade（4）Interval angles when welding are 120 degree.
4. a kind of brill according to claim 1 rushes dual-purpose three wings screw high-pressure sealing drilling rod, it is characterised in that：The outer bar
（1）Inner wall is equipped with groove（10）, the groove（10）Inner wall is fixedly connected with snap-gauge（11）, the interior bar（2）Outer wall is equipped with and it
Integrally formed convex block（12）, the convex block（12）It is embedded in snap-gauge（12）In, the snap-gauge（11）There are six if, six cards
Plate（11）With interior bar（2）Central axis be uniformly distributed in circumferential direction.
5. a kind of brill according to claim 4 rushes dual-purpose three wings screw high-pressure sealing drilling rod, it is characterised in that：The outer bar
（1）And interior bar（2）Between be equipped with protective device, the protective device be set to two neighboring snap-gauge（11）Between, the protection dress
It sets including top plate（13）, bottom plate（14）, spring card pole（15）And spring（16）, the top plate（13）It is fixedly connected with outer bar（1）It is interior
Wall, the bottom plate（14）It is fixedly connected with interior bar（2）Outer wall, top plate（13）And bottom plate（14）It is fixedly connected with spring card pole（15）,
The spring card pole（15）It is fixedly connected with spring（16）.
6. a kind of brill according to claim 1 rushes dual-purpose three wings screw high-pressure sealing drilling rod, it is characterised in that：The mother connects
Head（5）With outer bar（1）Using friction welding (FW) to being welded into one, and female connector（5）For dextrorotation box thread connector, the pin end
（6）For left-handed box thread connector, pin end（6）Thread forms be 55 ° of sealing pipe screw threads, the crest of screw thread and tooth bottom are
It is arc-shaped.
7. a kind of brill according to claim 1 rushes dual-purpose three wings screw high-pressure sealing drilling rod, it is characterised in that：The interior bar
（2）The thickness of pipe respectively with drill bit（3）And female connector（5）The threaded area thickness of pipe it is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014559.4A CN108868661A (en) | 2018-08-31 | 2018-08-31 | A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014559.4A CN108868661A (en) | 2018-08-31 | 2018-08-31 | A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108868661A true CN108868661A (en) | 2018-11-23 |
Family
ID=64322977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811014559.4A Pending CN108868661A (en) | 2018-08-31 | 2018-08-31 | A kind of brill rushes dual-purpose three wings screw high-pressure sealing drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108868661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924877A (en) * | 2019-12-16 | 2020-03-27 | 邹城兖矿泰德工贸有限公司 | High-strength rib drill rod |
-
2018
- 2018-08-31 CN CN201811014559.4A patent/CN108868661A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924877A (en) * | 2019-12-16 | 2020-03-27 | 邹城兖矿泰德工贸有限公司 | High-strength rib drill rod |
| CN110924877B (en) * | 2019-12-16 | 2021-05-07 | 邹城兖矿泰德工贸有限公司 | High-strength rib drill rod |
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Address after: 467000 North Ring Road South, Xinhua District, Pingdingshan City, Henan Province (West of Industrial Park Road, Xinhua District) Applicant after: Tiefulai Equipment Manufacturing Group Co.,Ltd. Address before: 467000 North Ring Road South, Xinhua District, Pingdingshan City, Henan Province (West of Industrial Park Road, Xinhua District) Applicant before: HENAN TIEFULAI EQUIPMENT MANUFACTURING Co.,Ltd. |
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