CN208396663U - A kind of anti-return drilling rod with mechanical pressure sealing - Google Patents
A kind of anti-return drilling rod with mechanical pressure sealing Download PDFInfo
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- CN208396663U CN208396663U CN201820901515.2U CN201820901515U CN208396663U CN 208396663 U CN208396663 U CN 208396663U CN 201820901515 U CN201820901515 U CN 201820901515U CN 208396663 U CN208396663 U CN 208396663U
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- connector
- flow preventer
- support ring
- thrust support
- drilling rod
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Abstract
This content mainly provides a kind of anti-return drilling rod with mechanical pressure sealing, it is mainly made of outer connector, interior connector and the body of rod, outer connector position is provided with thrust support ring, thrust support ring refers to that center is solid construction, circumference is hollow structure, interior connector is internally provided with back-flow preventer, the open and close movement of back-flow preventer is realized by the axial movement of the sealing mandrel of back-flow preventer, outer connector is used cooperatively with interior connector by forms such as screw thread, four directions, six side's grafting.The utility model merely opens back-flow preventer by the thrust support ring of outer connector, so not needing to provide secondary pressurized equipment, and it is easy to be easy to operate in use, addition auxiliary tool is not needed to be operated, production cost is not only saved, and increases service efficiency and improves manufacturing schedule.
Description
Technical field
The utility model relates generally to a kind of anti-return drilling rod with mechanical pressure sealing, is primarily adapted for use in coal mine and ground
Matter exploratory bore-hole is lost biggish bore operation especially in top rade drilling or water.
Background technique
Bore operation in coal mine roadway exploitation is as indispensable important process process, since different technologies is wanted
It asks, needs to design different bore angles, depth and Density Distribution, current bore operation has tended to be mature and steady as compared with the past
Fixed, drilling machine torque and power, complete machine equipment constantly tend to large torque, intelligence, and drilling rod adapts to bore by continuous Optimal improvements
Into optimization progress, however formation variation is constantly prominent, and especially progress high inclination-angle drilling operation is bored since updip angle is larger
Water in bar will cause a large amount of water and be lost stopping boring the water flowing for changing drilling rod, and changing when finishing drilling bar is crept into again first to lead to
Water can be carried out bore operation to the water rear that achieves the desired purpose, and will cause a large amount of manpower and equipment waste in this way, has increased
At process, delay production.To solve the above problems, occur the anti-return water drilling rod of ball-valve type and the water-saving drilling rod of binary channels in the market,
The anti-return water drilling rod of ball-valve type intercepts water form as one kind of automatic shutter, can effectively achieve the purpose that intercept water, but due to needing
It wants to put openable ball valve when larger pressure, so this kind of drilling rod desired effect difficult to realize in normal pressure, and common brill
Bar will cause water source since water is lost and bit location be not achieved and drill bit is caused to burn out and fall piece, and cause drilling rod deslagging tired
Difficulty causes stifled brill even drill rod breaking, serious waste production cost and schedule delays.
Utility model content
The purpose of the use of the new type is to provide a kind of anti-return drilling rod with mechanical pressure sealing, and drilling rod is by outer connection
Head, interior connector and body of rod three parts form, and are provided with thrust support ring on outer connector, are provided with and prevent back on interior connector
Device is flowed, the open and close movement of back-flow preventer is realized by the axial movement of the sealing mandrel of back-flow preventer, reaches zero-pressure
The superior function that power supplies water or low-pressure supplies water.
Outer connector, interior connector and the body of rod of a kind of anti-return drilling rod with mechanical pressure sealing are using high
Warm friction welding links together, and increases the torque resistant intensity of drilling rod, and the friction welding (FW) part interior of two neighboring component remains
Weldering circle projecting bead, is cooperatively connected by forms such as screw thread, four directions, six sides between outer connector and interior connector and is used.
A kind of outer connector position of anti-return drilling rod with mechanical pressure sealing is provided with thrust support ring, pushes away
Power support ring refers to that center is solid construction, and circumference is hollow structure, and circumference hollow joint can be " people " character form structure and equal circle
It is distributed through-hole structure, guarantee center is the solid sealing mandrel for pushing back-flow preventer, remaining any machining shape is guaranteeing
This purpose can be achieved in the case where support.
A kind of interior connector position of anti-return drilling rod with mechanical pressure sealing is provided with anti-return and places, and prevents
For reflux unit as the bottom part of interior connector threaded connection, back-flow preventer controls sealed core using compressed spring
The axial movement of axis, to realize water flowing drilling and stop boring, change the purpose bored and shut off.
A kind of anti-return drilling rod with mechanical pressure sealing is suitable for more drilling rod connections and uses, and adjacent two
The outer connector of drilling rod is used cooperatively with interior connector by forms such as screw threads, passes through outer company after threaded engagement is to certain position
Thrust support ring center on connector will open before the sealed core axial direction in the back-flow preventer in interior connector, water flow meeting
Next drilling rod is smoothly flowed through by back-flow preventer, when drilling rod retracts outside connector interior connection left by the reversing of drilling machine
Head is internal, and back-flow preventer is closed by the thrust that the sealing mandrel of back-flow preventer then passes through compressed spring, thus by boring
It will not leak into the water flow injected, to achieve the purpose that drilling of shutting off.
A kind of anti-return drilling rod with mechanical pressure sealing is not required in use using back-flow preventer
Consider water flowing pressure, merely opens back-flow preventer by the thrust support ring of outer connector, so not needing offer two
Secondary pressurized equipment, and it is easy to be easy to operate in use, it does not need addition auxiliary tool and is operated, not only saved
Production cost, and increase service efficiency and improve manufacturing schedule.
Detailed description of the invention:
Fig. 1 is a kind of cross-sectional view of anti-return drilling rod with mechanical pressure sealing
Fig. 2 is a kind of thrust support ring main view of anti-return drilling rod with mechanical pressure sealing
Fig. 3 is a kind of back-flow preventer of anti-return drilling rod with mechanical pressure sealing
Wherein 1-outer connector, 2-thrust support rings, 3-limbers, 4-outer connection screw threads, four directions, six sides, 5-welderings
Circle projecting bead, the 6-bodies of rod, 7-back-flow preventers, 8-interior connectors, 9-interior connection screw threads, four directions, six sides,
Wherein 701-sealing mandrel, 702-compressed springs.
Specific embodiment
Referring to the figure covered in attached drawing and specific practical it is described as follows:
According to as shown in the figure, be provided with limbers 3 on connector 1 outer first, surface be machined with outer connection screw thread, four directions,
Six sides 4, by there is weldering circle projecting bead 5 with 6 high temperature friction of the body of rod connecting portion that is welded together, at outer connector 1
End face is machined with thrust support ring 2, and thrust support ring 2 is concordant with the end face of outer connector 1, is provided with water flowing on interior connector 8
Hole 3 and for outer connection screw thread screw thread, four directions, the interior connection screw thread screw thread of six sides, 4 interworking, four directions, six sides 9, interior connection spiral shell
Line screw thread, four directions, six sides, 9 bottom are equipped with back-flow preventer 7, and back-flow preventer 7 utilizes compressed spring 702 and sealing mandrel
701 carry out sealing of shutting off.When more drilling rod connections in use, the outer connector 1 and interior connector 8 of adjacent two drilling rods pass through spiral shell
The forms such as line screw thread, four directions, six sides are used cooperatively, and pass through outer connector 1 after screw thread, four directions, six sides are to certain position
On 2 center of thrust support ring the sealing mandrel 701 in the back-flow preventer 7 in interior connector 8 is opened forward, water flow
Next drilling rod can be smoothly flowed through by back-flow preventer 7, when drilling rod retracts outside connector 1 left by the reversing of drilling machine it is interior
Inside connector 8, and the sealing mandrel 701 of back-flow preventer 7 is then closed back-flow preventer 7 by the thrust of compressed spring 702
It closes, to will not leak by creeping into injected water flow, to achieve the purpose that drilling of shutting off.
Claims (2)
1. a kind of anti-return drilling rod with mechanical pressure sealing, it is characterised in that drilling rod is by outer connector, interior connector and bar
Body composition, outer connector position are provided with thrust support ring, and thrust support ring refers to that center is solid construction, and circumference is hollow knot
Structure, connector is internally provided with back-flow preventer in outside, by the axial movement of the sealing mandrel of back-flow preventer to realize
The open and close movement of back-flow preventer.
2. a kind of anti-return drilling rod with mechanical pressure sealing according to claim 1, it is characterised in that outer connector
Place is provided with thrust support ring, and thrust support ring refers to that center is solid construction, and circumference is hollow structure, and interior connector is provided with
Back-flow preventer, the thrust support ring being arranged by outer connector is when the back-flow preventer with interior connector is used cooperatively, benefit
It pushes the sealing mandrel of back-flow preventer to axially move with thrust support ring and realizes that back-flow preventer is in the open state；Prevent back
It flows and is equipped with mandrel and compressed spring in device, when the thrust support loopback of outer connector setting is removed, compressed spring pushes mandrel
Reverse movement realizes closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820901515.2U CN208396663U (en) | 2018-06-12 | 2018-06-12 | A kind of anti-return drilling rod with mechanical pressure sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820901515.2U CN208396663U (en) | 2018-06-12 | 2018-06-12 | A kind of anti-return drilling rod with mechanical pressure sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396663U true CN208396663U (en) | 2019-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820901515.2U Active CN208396663U (en) | 2018-06-12 | 2018-06-12 | A kind of anti-return drilling rod with mechanical pressure sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242227A (en) * | 2019-07-16 | 2019-09-17 | 邹城兖矿泰德工贸有限公司 | The dedicated integral drill rod of erosion control release |
| CN113049298A (en) * | 2021-04-30 | 2021-06-29 | 西安石油大学 | Adjust nimble exploration development sampling device |
-
2018
- 2018-06-12 CN CN201820901515.2U patent/CN208396663U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242227A (en) * | 2019-07-16 | 2019-09-17 | 邹城兖矿泰德工贸有限公司 | The dedicated integral drill rod of erosion control release |
| CN110242227B (en) * | 2019-07-16 | 2024-02-13 | 山东兖能泰德重工有限公司 | Special integral drill rod for anti-impact pressure relief |
| CN113049298A (en) * | 2021-04-30 | 2021-06-29 | 西安石油大学 | Adjust nimble exploration development sampling device |
| CN113049298B (en) * | 2021-04-30 | 2022-08-30 | 西安石油大学 | Adjust nimble exploration development sampling device |
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