CN111318739A - High-pressure pipeline tapping tool and tapping method - Google Patents
High-pressure pipeline tapping tool and tapping method Download PDFInfo
- Publication number
- CN111318739A CN111318739A CN202010160761.9A CN202010160761A CN111318739A CN 111318739 A CN111318739 A CN 111318739A CN 202010160761 A CN202010160761 A CN 202010160761A CN 111318739 A CN111318739 A CN 111318739A
- Authority
- CN
- China
- Prior art keywords
- gland
- fixing part
- tightening
- groove
- drill rod
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/30—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of carbon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/04—Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a high-pressure pipeline tapping tool and a tapping method, which relate to the technical field of pipeline tapping and comprise a fixing part, a pre-tightening part, a gland arranged between the fixing part and the pre-tightening part and a drill rod arranged among the fixing part, the pre-tightening part and the gland in a penetrating way; through holes matched with the drill rod are formed in the fixing part, the pre-tightening part and the gland in the axial direction respectively; the two ends of the fixing part are respectively provided with an external thread, and the end face of one side of the fixing part is provided with a containing groove; the gland is arranged in the accommodating groove in a sliding manner; the end face of one side of the pre-tightening part is provided with a groove, the inner wall of the groove is provided with an internal thread, the pre-tightening part is in threaded connection with one end of the fixing part close to the containing groove, and the end face of one side of the gland is abutted to the bottom face of the groove. The invention has the effects of light structure and simple operation.
Description
Technical Field
The invention relates to the technical field of pipeline drilling, in particular to a high-pressure pipeline drilling tool and a drilling method.
Background
In the oil refining engineering, crude oil, finished oil, medium such as natural gas are many transported through the pipeline, in the actual production, the pipeline is all longer mostly, in order to take a sample or add the branch pipeline in certain position of pipeline sometimes, carry out the salvage of normal maintenance transformation or accident, need trompil and valve on the pipeline, but the medium is in when normal transport state, be in high pressure state in the pipeline, direct drilling on the pipe wall, not only can lead to revealing of medium, some dangerous medium still can cause the injury to the staff, therefore, in order to guarantee the normal transportation of medium, guarantee not stop production, need carry out the area and take the trompil.
Although the technology of punching holes under pressure is generally applied nowadays, a plurality of devices such as a punching machine, a plugging device and a lower plugging device are needed when the holes are punched, the operation process is very complicated, the volume and the weight of the devices are large, and the devices are very heavy during specific implementation.
Disclosure of Invention
The invention aims to provide a high-pressure pipeline tapping tool which has the advantages of light structure and simplicity in operation.
Another object of the present invention is to provide a drilling method using the above high pressure pipe drilling tool.
The first invention is realized by the following technical scheme:
a high pressure pipeline tapping tool, its characterized in that: the device comprises a fixing part, a pre-tightening part, a gland arranged between the fixing part and the pre-tightening part and a drill rod arranged among the fixing part, the pre-tightening part and the gland in a penetrating way;
through holes matched with the drill rod are formed in the fixing part, the pre-tightening part and the gland in the axial direction respectively;
the two ends of the fixing part are respectively provided with an external thread, and the end face of one side of the fixing part is provided with a containing groove;
the gland is arranged in the accommodating groove in a sliding manner;
the end face of one side of the pre-tightening part is provided with a groove, the inner wall of the groove is provided with an internal thread, the pre-tightening part is in threaded connection with one end of the fixing part close to the containing groove, and the end face of one side of the gland is abutted to the bottom face of the groove.
By adopting the technical scheme, before drilling, the valve is welded at the position of the pipeline needing to be perforated, the fixing part is in threaded connection with the valve, then the valve is opened, the drill rod penetrates through the fixing part and extends into the valve, the sealing filler is added into the accommodating groove, then the pressing cover and the pre-tightening part are sequentially sleeved on the drill rod, the pre-tightening part is rotated until the pressing cover presses the sealing filler in the accommodating groove tightly, then the drilling machine is installed at the end part of the drill rod for perforating, in the perforating process, the sealing filler is filled in the accommodating groove, a gap between the drill rod and a through hole in the fixing part is sealed, and the medium in the pipeline can be effectively prevented from overflowing outwards; and after drilling is finished, the drill rod is retracted to the standard that the drill rod can be withdrawn from the valve and cannot be completely withdrawn into the accommodating groove, then the valve is closed, and the whole device is dismounted. In the whole drilling process, the leakage of media can not be realized, the hole opening under pressure is realized, and the device is simple in structure and easy to operate.
The present invention in a preferred example may be further configured to: one end of the gland is fixed with a convex edge along the circumferential direction.
Through adopting above-mentioned technical scheme, the staff can hold the chimb and put into the storage tank with the gland, or take out from the storage tank, and is more convenient during the operation.
The present invention in a preferred example may be further configured to: the fixed part is provided with a first rotating part along the circumferential direction of the outer wall of the fixed part, and the first rotating part is hexagonal prism-shaped.
By adopting the technical scheme, the wrench can be adopted when the fixing part is rotated, so that the operation is more labor-saving.
The present invention in a preferred example may be further configured to: the pre-tightening part is fixedly provided with a second rotating part which is hexagonal prism-shaped.
By adopting the technical scheme, the wrench can be adopted when the pre-tightening part is rotated, so that the operation is more labor-saving.
The present invention in a preferred example may be further configured to: and a weight reduction groove is formed in the end face of one side of the fixing part, which is far away from the pre-tightening part.
Through adopting above-mentioned technical scheme, can alleviate the weight of whole structure when saving material, strengthened the light and graceful sense of structure.
The second invention purpose of the invention is realized by the following technical scheme:
a method of opening a hole, comprising the steps of:
the method comprises the following steps: welding a valve on the pipe wall of the pipeline;
the method comprises the following steps: opening the valve, connecting one end of the fixing part, which is far away from the accommodating groove, to the valve in a threaded manner, penetrating the drill rod through the fixing part, filling sealing filler into the accommodating groove, and sequentially sleeving the gland and the pre-tightening part on the drill rod;
the method comprises the following steps: pressing the gland into the accommodating groove, then connecting the pre-tightening part with the fixing part through threads, and rotating the pre-tightening part until the gland compresses the sealing filler;
the method comprises the following steps: installing a drilling machine at the end part of the drill rod, and starting drilling until the drill rod penetrates through the pipe wall of the pipeline;
the method comprises the following steps: and withdrawing the drill rod from the pipeline and the valve, finally closing the valve, and screwing the fixing part off the valve.
The present invention in a preferred example may be further configured to: the sealing filler is graphite.
Through adopting above-mentioned technical scheme, graphite has certain flexibility, has stronger sealed effect under the pressure effect of gland, and graphite has excellent high temperature resistance and chemical resistance ability moreover, can adapt to multiple medium.
In conclusion, the beneficial technical effects of the invention are as follows:
before drilling, firstly welding a valve on a position, needing to be perforated, of a pipeline, connecting a fixing part on the valve in a threaded manner, then opening the valve to enable a drill rod to penetrate through the fixing part and extend into the valve, adding sealing filler into a containing groove, then sequentially sleeving a pressing cover and a pre-tightening part on the drill rod, rotating the pre-tightening part until the pressing cover tightly presses the sealing filler in the containing groove, then installing a drilling machine at the end part of the drill rod to perforate, and in the perforating process, because the sealing filler is filled in the containing groove, a gap between the drill rod and a through hole in the fixing part is sealed, so that a medium in the pipeline can be effectively prevented from overflowing outwards; and after drilling is finished, the drill rod is retracted to the standard that the drill rod can be withdrawn from the valve and cannot be completely withdrawn into the accommodating groove, then the valve is closed, and the whole device is dismounted. In the whole drilling process, the leakage of media can not be realized, the hole opening under pressure is realized, and the device is simple in structure and easy to operate.
Drawings
Fig. 1 is a schematic overall structure diagram according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic diagram of an exploded structure of fig. 1.
In the figure, 1, a fixed part; 11. a containing groove; 12. a first rotation part; 13. a weight reduction groove; 2. a pre-tightening part; 21. a groove; 3. a gland; 22. a second rotation part; 31. a convex edge; 4. and (5) drilling a rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a high-pressure pipeline drilling tool disclosed in an embodiment of the present invention includes a fixing portion 1, a pre-tightening portion 2, a gland 3, and a drill rod 4, where the fixing portion 1, the pre-tightening portion 2, and the gland 3 are coaxially disposed, through holes adapted to the drill rod 4 are respectively formed in the fixing portion 1, the pre-tightening portion 2, and the gland 3 along an axial direction thereof, and the drill rod 4 sequentially passes through the pre-tightening portion 2, the gland 3, and the fixing portion 1.
Referring to fig. 2 and 3, external threads are respectively formed at two ends of the fixing portion 1, a groove 21 is formed in an end face of one side of the pre-tightening portion 2, an internal thread matched with the fixing portion 1 is formed in an inner wall of the groove 21, one end of the fixing portion 1 is in threaded connection with the valve, and the other end of the fixing portion 1 is in threaded connection with the pre-tightening portion 2.
An accommodating groove 11 is formed in the end face of one side, close to the fixing part 1, of the pre-tightening part 2, and the gland 3 is slidably mounted in the accommodating groove 11; when the sealing device is used, the bottom of the accommodating groove 11 is filled with sealing filler, one end face of the gland 3 is attached to the sealing filler, and the other end face of the gland is attached to the bottom face of the groove 21.
In order to facilitate the assembling and disassembling of the gland 3, furthermore, a circle of convex edge 31 is fixed at one end of the gland 3 along the circumferential direction, and after the gland 3 is assembled, the convex edge 31 is located outside the accommodating groove 11.
Furthermore, one end of the outer wall of the fixing part 1, which is far away from the pre-tightening part 2, is fixedly provided with a first rotating part 12 along the circumferential direction, and the first rotating part 12 is in a hexagonal prism shape, so that a wrench can be conveniently adopted to rotate the fixing part 1 to screw the fixing part 1 on the valve.
The pre-tightening part 2 is fixedly provided with a second rotating part 22 on the end face of one side far away from the fixing part 1, the second rotating part 22 is in a hexagonal prism shape, and a wrench is conveniently adopted to rotate the pre-tightening part 2 so as to screw the pre-tightening part 2 on the fixing part 1.
Furthermore, a weight reduction groove 13 is formed in the end face of one side, away from the pre-tightening part 2, of the fixing part 1, so that the weight of the whole structure is reduced while materials are saved, and the light feeling of the structure is enhanced.
The embodiment of the invention also discloses a hole opening method, which adopts the high-pressure pipeline hole opening tool and comprises the following steps:
step 1: and welding a valve on the pipe wall of the pipeline.
Step 2: opening the valve, then connecting one end of the fixing part 1, which is far away from the accommodating groove 11, to the valve in a threaded manner, penetrating the drill rod 4 through the fixing part 1 and extending into the valve, filling sealing filler into the accommodating groove 11, and then sequentially sleeving the gland 3 and the pre-tightening part 2 on the drill rod 4; specifically, in this embodiment, graphite is used as the sealing filler.
And step 3: pressing the gland 3 into the containing groove 11, then connecting the pre-tightening part 2 with the fixing part 1 through threads, and rotating the pre-tightening part 2 until the gland 3 compresses the graphite.
And 4, step 4: a drilling machine is installed at the end of the drill rod 4 and drilling is started until the drill rod 4 penetrates the wall of the pipe.
And 5: and (3) withdrawing the drill rod 4 from the pipeline and the valve, specifically, closing the valve and screwing the fixing part 1 off the valve, on the basis that the drill rod 4 can be withdrawn from the valve and cannot be completely withdrawn into the accommodating groove 11.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A high pressure pipeline tapping tool, its characterized in that: comprises a fixed part (1), a pre-tightening part (2), a gland (3) arranged between the fixed part (1) and the pre-tightening part (2) and a drill rod (4) arranged among the fixed part (1), the pre-tightening part (2) and the gland (3) in a penetrating way;
through holes matched with the drill rod (4) are respectively formed in the fixing part (1), the pre-tightening part (2) and the gland (3) along the axis direction;
the two ends of the fixing part (1) are respectively provided with an external thread, and the end face of one side of the fixing part (1) is provided with a containing groove (11);
the gland (3) is arranged in the accommodating groove (11) in a sliding manner;
a groove (21) is formed in the end face of one side of the pre-tightening part (2), an internal thread is formed in the inner wall of the groove (21), the pre-tightening part (2) is in threaded connection with one end, close to the accommodating groove (11), of the fixing part (1), and the end face of one side of the gland (3) is abutted to the bottom face of the groove (21).
2. A high pressure pipe tapping tool as claimed in claim 1, wherein: one end of the gland (3) is fixed with a convex edge (31) along the circumferential direction.
3. A high pressure pipe tapping tool as claimed in claim 1, wherein: the fixing part (1) is provided with a first rotating part (12) along the circumferential direction of the outer wall of the fixing part, and the first rotating part (12) is hexagonal prism-shaped.
4. A high pressure pipe tapping tool as claimed in claim 1, wherein: the pre-tightening part (2) is fixedly provided with a second rotating part (22), and the second rotating part (22) is hexagonal prism-shaped.
5. A high pressure pipe tapping tool as claimed in claim 1, wherein: and a weight reduction groove (13) is formed in the end face of one side, away from the pre-tightening part (2), of the fixing part (1).
6. A method of making a hole using a high pressure pipe hole making tool as claimed in any one of claims 1 to 5, comprising the steps of:
step 1: welding a valve on the pipe wall of the pipeline;
step 2: the valve is opened, then one end of the fixing part (1), which is far away from the accommodating groove (11), is connected to the valve in a threaded manner, the drill rod (4) penetrates through the fixing part (1), the sealing filler is filled in the accommodating groove (11), and then the gland (3) and the pre-tightening part (2) are sequentially sleeved on the drill rod (4);
and step 3: pressing the gland (3) into the containing groove (11), then connecting the pre-tightening part (2) with the fixing part (1) in a threaded manner, and rotating the pre-tightening part (2) until the gland (3) compresses the sealing filler;
and 4, step 4: installing a drilling machine at the end part of the drill rod (4) and starting drilling until the drill rod (4) penetrates through the pipe wall of the pipeline;
and 5: and withdrawing the drill rod (4) from the pipeline and the valve, finally closing the valve, and screwing the fixing part (1) off the valve.
7. A method of opening a hole as defined in claim 6, wherein: the sealing filler is graphite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160761.9A CN111318739A (en) | 2020-03-10 | 2020-03-10 | High-pressure pipeline tapping tool and tapping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160761.9A CN111318739A (en) | 2020-03-10 | 2020-03-10 | High-pressure pipeline tapping tool and tapping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111318739A true CN111318739A (en) | 2020-06-23 |
Family
ID=71165735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010160761.9A Pending CN111318739A (en) | 2020-03-10 | 2020-03-10 | High-pressure pipeline tapping tool and tapping method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111318739A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2776601Y (en) * | 2005-04-29 | 2006-05-03 | 焦增启 | Perforator of liquid pressure container |
| CN201098746Y (en) * | 2007-11-15 | 2008-08-13 | 侯占雪 | Bearing perforating instrument |
| JP2014084965A (en) * | 2012-10-24 | 2014-05-12 | Cosmo Koki Co Ltd | Boring device |
| CN207715744U (en) * | 2018-01-12 | 2018-08-10 | 温州古润电子商务有限公司 | A kind of carbon graphite sealing ring for valve |
-
2020
- 2020-03-10 CN CN202010160761.9A patent/CN111318739A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2776601Y (en) * | 2005-04-29 | 2006-05-03 | 焦增启 | Perforator of liquid pressure container |
| CN201098746Y (en) * | 2007-11-15 | 2008-08-13 | 侯占雪 | Bearing perforating instrument |
| JP2014084965A (en) * | 2012-10-24 | 2014-05-12 | Cosmo Koki Co Ltd | Boring device |
| CN207715744U (en) * | 2018-01-12 | 2018-08-10 | 温州古润电子商务有限公司 | A kind of carbon graphite sealing ring for valve |
Non-Patent Citations (2)
| Title |
|---|
| 中国煤炭教育协会职业教育教材编审委员会: "《煤矿机械检修工艺学 第二版》", 30 August 2014, 煤炭工业出版社 * |
| 王爱平等: "《机械零件与机构》", 28 February 2019, 北京希望电子出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4350052A (en) | Apparatus and method for tapping and extracting oil samples from an underground high pressure pipe-type transmission cable system | |
| CN202081851U (en) | Polish rod sealing apparatus | |
| US11053769B2 (en) | Back pressure valve plug | |
| CN104029248A (en) | PE gas pipeline borer for operation under pressure | |
| JP5411964B2 (en) | Branch joint | |
| US4209029A (en) | Method of and apparatus for sealing a leak in a pipeline | |
| EP2584229B1 (en) | O-ring shield system and method | |
| CN111318739A (en) | High-pressure pipeline tapping tool and tapping method | |
| WO2019188778A1 (en) | Uninterrupted flow construction method and device | |
| CN104806200A (en) | Plunger-type double-passage different-direction synchronous joint control check valve for double-layer continuous oil pipe | |
| US3045512A (en) | Service fitting | |
| CN211527645U (en) | Temperature transmitter sleeve for tapping under pressure and mounting device thereof | |
| CN210464814U (en) | Rubber cylinder pressure-bearing and sealing performance testing device | |
| US9404613B2 (en) | Pipeline isolation for small bore pipe | |
| CN109138892B (en) | High-pressure oil-water well sealing device with pressure hole | |
| CN210890553U (en) | Oil gas pipeline branch pipe plugging device with pressure | |
| CN204094186U (en) | High pressure manual hole making drill | |
| CN204276971U (en) | Oil collecting pipeline trompil pressure release instrument | |
| CN207112079U (en) | A kind of valve outer valve stem on-line pressure sealant fixture | |
| CN105864566A (en) | Unmanned shipborne pipeline maintenance equipment | |
| CN211682499U (en) | Pipeline element with drill bit recovery tank | |
| CN212927803U (en) | Perforator cartridge clamp pipe end cap inspection special device | |
| CN213063516U (en) | Novel drilling and production integrated multifunctional compact wellhead device | |
| CN110778835B (en) | Under-pressure plugging device and plugging construction method for branch pipe of oil and gas pipeline | |
| US20230258292A1 (en) | Sealing device for plugging a leak in the wall of a pipe or of a tank comprising a part for drilling and a part for tapping and sealing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200623 |