CN205189800U - Fluid pressure type oil pipe internal cutter - Google Patents
Fluid pressure type oil pipe internal cutter Download PDFInfo
- Publication number
- CN205189800U CN205189800U CN201520856738.8U CN201520856738U CN205189800U CN 205189800 U CN205189800 U CN 205189800U CN 201520856738 U CN201520856738 U CN 201520856738U CN 205189800 U CN205189800 U CN 205189800U
- Authority
- CN
- China
- Prior art keywords
- adjusting screw
- installation cavity
- cutter body
- cutter
- cutting knife
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a fluid pressure type oil pipe internal cutter that effect of cutting is good, include: the cutting knife body, be provided with the link in the one end of cutting knife body, link under the other end of cutting knife body is provided with, at this internal inhalant canal that is provided with of cutting knife, pressure boost passageway and pressure adjusting screw installation cavity, female connection has the pressure adjusting screw rather than mutually supporting at pressure adjusting screw installation cavity, be provided with the pressure adjustment passageway in pressure adjusting screw, lower extreme at pressure adjusting screw is provided with the pressure adjusting screw fastening groove that is linked together with the pressure adjustment passageway, this internally is provided with cutting knife installation cavity and the uide bushing installation cavitys that a plurality of and inhalant canal are linked together at the cutting knife, female connection has the uide bushing rather than mutually supporting at the uide bushing installation cavity, be provided with installation cavity and spacing chimb in the uide bushing, be provided with uide bushing fastening groove outside the uide bushing, be provided with cutting knife and compression spring in the cutting knife installation cavity.
Description
Technical field
The utility model relates to a kind of petroleum industry workover rig, especially a kind of hydraulic oil pipe internal cutter.
Background technology
In oilfield development process, due to the reason such as formation factor, improper measures, wellhead assembly be aging, blowout out of control phenomenon happens occasionally, and first must cut off oil pipe before carrying out well workover.At present, used oil tubing cutter tool mostly is thermal cutting, can use fuel gas in cutting process, and easily produce the danger of blast, cutting position is inaccurate, and some is difficult to realize cutting.Need to use cold cutting device to operate, there is no the cold cut adapting to well site use at present and cut matured product, show that instrument failure rate is high, complex structure, the shortcomings such as cutting effect is bad.
Utility model content
Problem to be solved in the utility model is: the hydraulic oil pipe internal cutter providing a kind of good cutting effect.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: hydraulic oil pipe internal cutter, comprise: cutter body, one end of described cutter body is provided with link, the other end of described cutter body is provided with lower link, intake tunnel is provided with in described cutter body, Pressure channel and tension adjusting screw installation cavity, the tension adjusting screw cooperatively interacted with it is connected with at described tension adjusting screw installation cavity internal thread, pressure regulator channel is provided with in described tension adjusting screw, the tension adjusting screw binding groove be connected with pressure regulator channel is provided with in the lower end of described tension adjusting screw, some cutter installation cavitys of being connected with intake tunnel and fairlead installation cavity is provided with in described cutter body, the fairlead cooperatively interacted with it is connected with at described fairlead installation cavity internal thread, installation cavity and spacing chimb is provided with in described fairlead, fairlead binding groove is had in described fairlead arranged outside, cutter and Compress Spring is provided with in described cutter installation cavity, the structure of described cutter comprises: cutter body, one end of described cutter body is provided with cutting blade, the other end of described cutter body is provided with back-up ring, the spacing concave surface cooperatively interacted with spacing chimb is provided with in the middle part of described cutter body, described Compress Spring is set on cutter body.
The utility model has the advantages that: above-mentioned hydraulic oil pipe internal cutter, utilize hydraulic pressure cutting, pressure is accurately easy to adjust, and cutting is convenient, and accurately rapidly, good cutting effect, structure is simple, uses stability and safety in cutting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model hydraulic oil pipe internal cutter.
Fig. 2 is the sectional structure schematic diagram of cutter body in the utility model hydraulic oil pipe internal cutter.
Fig. 3 is the structural representation of cutter in the utility model hydraulic oil pipe internal cutter.
Fig. 4 is the structural representation of spring in the utility model hydraulic oil pipe internal cutter.
Fig. 5 is the structural representation of fairlead in the utility model hydraulic oil pipe internal cutter.
Fig. 6 is the structural representation of tension adjusting screw in the utility model hydraulic oil pipe internal cutter.
Fig. 7 is the structural representation of tension adjusting screw and tension adjusting screw binding groove in the utility model hydraulic oil pipe internal cutter.
In figure: 1, cutter body, 2, upper link, 3, lower link, 4, intake tunnel, 5, Pressure channel, 6, tension adjusting screw installation cavity, 7, tension adjusting screw, 8, pressure regulator channel, 9, tension adjusting screw binding groove, 10, cutter installation cavity, 11, fairlead installation cavity, 12, fairlead, 13, installation cavity, 14, spacing chimb, 15, fairlead binding groove, 16, cutter, 161, cutter body, 162, cutting blade, 163, back-up ring, 164, spacing concave surface, 17, Compress Spring.
Detailed description of the invention
Particular content of the present utility model is described in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, hydraulic oil pipe internal cutter, comprise: cutter body 1, one end of described cutter body 1 is provided with link 2, the other end of described cutter body 1 is provided with lower link 3, intake tunnel 4 is provided with in described cutter body 1, Pressure channel 5 and tension adjusting screw installation cavity 6, the tension adjusting screw 7 cooperatively interacted with it is connected with at described tension adjusting screw installation cavity 6 internal thread, pressure regulator channel 8 is provided with in described tension adjusting screw 7, the tension adjusting screw binding groove 9 be connected with pressure regulator channel 8 is provided with in the lower end of described tension adjusting screw 7, some cutter installation cavitys 10 of being connected with intake tunnel 4 and fairlead installation cavity 11 is provided with in described cutter body 1, the fairlead 12 cooperatively interacted with it is connected with at described fairlead installation cavity 11 internal thread, installation cavity 13 and spacing chimb 14 is provided with in described fairlead 12, fairlead binding groove 15 is had in described fairlead 12 arranged outside, cutter 16 and Compress Spring 17 is provided with in described cutter installation cavity 10, the structure of described cutter 16 comprises: cutter body 161, one end of described cutter body 161 is provided with cutting blade 162, the other end of described cutter body 161 is provided with back-up ring 163, the spacing concave surface 164 cooperatively interacted with spacing chimb 14 is provided with in the middle part of described cutter body 161, described Compress Spring 17 is set on cutter body 161.
Above-mentioned hydraulic oil pipe internal cutter is connected with sucker rod when using, need the position of cutting to oil pipe inside under I, utilize waterpower to suppress and enter cutter body 1 inside by intake tunnel 4, then water is discharged by Pressure channel 5, pressure regulator channel 8, water can in cutter body 1 mineralization pressure, promotion back-up ring 163, cutter body 161, cutting blade 162 compress Compress Spring 17, cutting blade 162 is stretched out from installation cavity 13 and offsets with the inwall of oil pipe, thus cut oil pipe.In use procedure, by changing tension adjusting screw 7, changing the size regulating pressure regulator channel 8, the pressure in cutter body 1 inside promotion cutting blade 162 can be regulated.
Above-mentioned hydraulic oil pipe internal cutter, utilize hydraulic pressure cutting, pressure is accurately easy to adjust, and cutting is convenient, and accurately rapidly, good cutting effect, structure is simple, uses stability and safety in cutting.
Claims (1)
1. hydraulic oil pipe internal cutter, it is characterized in that: comprising: cutter body (1), one end of described cutter body (1) is provided with upper link (2), the other end of described cutter body (1) is provided with lower link (3), intake tunnel (4) is provided with in described cutter body (1), Pressure channel (5) and tension adjusting screw installation cavity (6), the tension adjusting screw (7) cooperatively interacted with it is connected with at described tension adjusting screw installation cavity (6) internal thread, pressure regulator channel (8) is provided with in described tension adjusting screw (7), the tension adjusting screw binding groove (9) be connected with pressure regulator channel (8) is provided with in the lower end of described tension adjusting screw (7), some cutter installation cavitys (10) of being connected with intake tunnel (4) and fairlead installation cavity (11) is provided with in described cutter body (1), the fairlead (12) cooperatively interacted with it is connected with at described fairlead installation cavity (11) internal thread, installation cavity (13) and spacing chimb (14) is provided with in described fairlead (12), fairlead binding groove (15) is had in described fairlead (12) arranged outside, cutter (16) and Compress Spring (17) is provided with in described cutter installation cavity (10), the structure of described cutter (16) comprising: cutter body (161), one end of described cutter body (161) is provided with cutting blade (162), the other end of described cutter body (161) is provided with back-up ring (163), described cutter body (161) middle part is provided with the spacing concave surface (164) cooperatively interacted with spacing chimb (14), described Compress Spring (17) is set on cutter body (161).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856738.8U CN205189800U (en) | 2015-10-30 | 2015-10-30 | Fluid pressure type oil pipe internal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856738.8U CN205189800U (en) | 2015-10-30 | 2015-10-30 | Fluid pressure type oil pipe internal cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205189800U true CN205189800U (en) | 2016-04-27 |
Family
ID=55782800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520856738.8U Withdrawn - After Issue CN205189800U (en) | 2015-10-30 | 2015-10-30 | Fluid pressure type oil pipe internal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205189800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257232A (en) * | 2015-10-30 | 2016-01-20 | 盐城市东荣石油机械有限公司 | Hydraulic oil pipe inner cutting knife |
| CN111058787A (en) * | 2019-11-20 | 2020-04-24 | 中国海洋石油集团有限公司 | Positioning hydraulic internal cutting knife and oil pipe cutting method |
-
2015
- 2015-10-30 CN CN201520856738.8U patent/CN205189800U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257232A (en) * | 2015-10-30 | 2016-01-20 | 盐城市东荣石油机械有限公司 | Hydraulic oil pipe inner cutting knife |
| CN105257232B (en) * | 2015-10-30 | 2018-07-10 | 盐城市东荣石油机械有限公司 | Hydraulic oil pipe internal cutter |
| CN111058787A (en) * | 2019-11-20 | 2020-04-24 | 中国海洋石油集团有限公司 | Positioning hydraulic internal cutting knife and oil pipe cutting method |
| CN111058787B (en) * | 2019-11-20 | 2022-07-15 | 中国海洋石油集团有限公司 | Positioning hydraulic internal cutting knife and oil pipe cutting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20180710 |