CN206801530U - A kind of combined casing scraper - Google Patents
A kind of combined casing scraper Download PDFInfo
- Publication number
- CN206801530U CN206801530U CN201720571147.5U CN201720571147U CN206801530U CN 206801530 U CN206801530 U CN 206801530U CN 201720571147 U CN201720571147 U CN 201720571147U CN 206801530 U CN206801530 U CN 206801530U
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- China
- Prior art keywords
- several
- stand
- sequentially provided
- fixed
- groove
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- Expired - Fee Related
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Abstract
The utility model provides a kind of combined casing scraper, including sleeve body, and the upper end of described sleeve pipe body is provided with external screw thread connection upper connector and bottom connects lower connector by internal thread；Several fixing grooves and arc positioning groove are sequentially provided with described sleeve pipe body, the both ends of each arc positioning groove are connected by the first spring with stand；Wherein cambered blade insertion is fixed in the arc positioning groove and both ends are fixed on the groove of the stand, and several are sequentially provided with the stand and scrapes nail；Knife plate is arranged in the fixing groove and bottom is sequentially provided with several positioning holes, and each positioning hole is sequentially provided with universal bearing and second spring, improves flexibility ratio；The surface of the knife plate is provided with several scraping blades, the fixed wear plate of end insertion of each scraping blade.The utility model combination operation, cleaning intensity is big, and structural strength is high, improves processing safety.
Description
Technical field
It the utility model is related to a kind of oil drilling machine field, more particularly to a kind of combined casing scraper.
Background technology
Oil field and during oil and water well construction operation at present, turns into a kind of essential process, its mesh using scraper
The success rate for being the tripping in of raising instrument and operation.For remove remain in cement block on internal surface of sleeve pipe, cement sheath, hard wax,
The thing such as caused iron oxide after various saline crystallizations and deposit, perforation burrs and sleeve pipe corrosion, so as to unblocked
The various instruments of going into the well of tripping in.Scraper species on the market is various, and product structure is excessively single, coordinates dynamics inadequate, influences to make
With life-span and performance accuracy.
Utility model content
The utility model provides a kind of combined casing scraper, and reasonable in design, combination operation, cleaning intensity is big, structure
Intensity is high, improves processing safety.
The utility model is achieved through the following technical solutions：A kind of combined casing scraper, including sleeve body,
The upper end of described sleeve pipe body is provided with external screw thread connection upper connector and bottom connects lower connector by internal thread；It is described
Several fixing grooves and arc positioning groove are sequentially provided with sleeve body, the both ends of each arc positioning groove pass through the first bullet
Spring is connected with stand；Wherein cambered blade insertion is fixed in the arc positioning groove and both ends are fixed on described stand
On the groove of seat, several are sequentially provided with the stand and scrapes nail；Knife plate is arranged in the fixing groove and bottom is sequentially provided with
Several positioning holes, each positioning hole are sequentially provided with universal bearing and second spring, improve flexibility ratio；The table of the knife plate
Face is provided with several scraping blades, the fixed wear plate of end insertion of each scraping blade, can both be entered with scraping blade
While row cleaning, wear plate increase use intensity.
It is as further improvement of the utility model：The stand is provided with rotating disk；Wherein scrape nail be fixed on it is described
On rotating disk.
It is as further improvement of the utility model：The fixing groove is embedded in provided with compensating plate, improves fitness,
Ensure the structural strength of blade.
During utility model works：Cambered blade and scraping blade are cleared up internal surface of sleeve pipe, are arranged on due to scraping nail
On rotating disk, rotating disk can be followed to carry out pre-cleaning, the first spring and second spring to debris hard on sleeve pipe while rotation
Increase the contractility of knife plate and cambered blade, ensure the flexibility of operation.
The beneficial effects of the utility model are：Reasonable in design, combination operation, cleaning intensity is big, and structural strength is high, improves behaviour
Make security.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view that knife plate is fixed；
Fig. 3 is the sectional view that cambered blade is fixed；
Connector, 4- fixing grooves, 5- arc positioning grooves, 6- curved knifes wherein under 1- sleeve bodies, 2- upper connectors, 3-
It is wear-resisting that piece, 7- stands, 8- scrape nail, 9- knife plates, 10- positioning holes, 11- universal bearings, 12- second springs, 13- scraping blades, 14-
Piece, 15- rotating disks, 16- compensating plates, the springs of 17- first.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, 2, 3：A kind of combined casing scraper of the present embodiment, including sleeve body 1, described sleeve pipe sheet
The upper end of body 1 is provided with external screw thread connection upper connector 2 and bottom connects lower connector 3 by internal thread；Described sleeve pipe sheet
Several fixing grooves 4 and arc positioning groove 5 are sequentially provided with body 1, the both ends of each arc positioning groove 5 pass through the first spring
17 are connected with stand 7；Wherein the insertion of cambered blade 6 is fixed in the arc positioning groove 5 and both ends are fixed on institute
On the groove for stating stand 7, the fixing groove 4 is embedded in provided with compensating plate 16.
The stand 7 is provided with rotating disk 15；Nail 8 is wherein scraped to be fixed on the rotating disk 15.
Knife plate 9 is arranged in the fixing groove 4 and bottom is sequentially provided with several positioning holes 10, each positioning hole 10
Universal bearing 11 and second spring 12 are sequentially provided with, the surface of the knife plate 9 is provided with several scraping blades 13, each described to scrape
The fixed wear plate 14 of end insertion of paring blade 13.
When the present embodiment works：Cambered blade 6 and scraping blade 13 are cleared up internal surface of sleeve pipe, are set due to scraping nail 8
On rotating disk 15, rotating disk 15 can be followed to carry out pre-cleaning, the He of the first spring 12 to debris hard on sleeve pipe while rotation
Second spring 17 increases the contractility of knife plate 9 and cambered blade 6, ensures the flexibility of operation；Each scraping blade 13
The fixed wear plate 14 of end insertion, while can both be cleared up with scraping blade 13, wear plate 14 increases use intensity.
The beneficial effect of the present embodiment is：Reasonable in design, combination operation, cleaning intensity is big, and structural strength is high, improves operation
Security.
Claims (3)
- A kind of 1. combined casing scraper, it is characterised in that：Including sleeve body（1）, described sleeve pipe body（1）Upper end Upper connector is connected provided with external screw thread（2）And bottom connects lower connector by internal thread（3）；Described sleeve pipe body（1）On It is sequentially provided with several fixing grooves（4）And arc positioning groove（5）, each arc positioning groove（5）Both ends pass through the first bullet Spring（17）With stand（7）It is connected；Wherein cambered blade（6）Insertion is fixed on the arc positioning groove（5）Interior and both ends card Connect and be fixed on the stand（7）Groove on, the stand（7）On be sequentially provided with several and scrape nail（8）；Knife plate（9）It is arranged on The fixing groove（4）Interior and bottom is sequentially provided with several positioning holes（10）, each positioning hole（10）It is sequentially provided with universal Bearing（11）And second spring（12）, the knife plate（9）Surface be provided with several scraping blades（13）, each type scraping knife Piece（13）The fixed wear plate of end insertion（14）.
- A kind of 2. combined casing scraper according to claim 1, it is characterised in that：The stand（7）It is provided with and turns Disk（15）；Wherein scrape nail（8）It is fixed on the rotating disk（15）On.
- A kind of 3. combined casing scraper according to claim 1, it is characterised in that：The fixing groove（4）It is embedded in Provided with compensating plate（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720571147.5U CN206801530U (en) | 2017-05-22 | 2017-05-22 | A kind of combined casing scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720571147.5U CN206801530U (en) | 2017-05-22 | 2017-05-22 | A kind of combined casing scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801530U true CN206801530U (en) | 2017-12-26 |
Family
ID=60741549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720571147.5U Expired - Fee Related CN206801530U (en) | 2017-05-22 | 2017-05-22 | A kind of combined casing scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2590259B (en) * | 2018-09-28 | 2022-09-28 | Halliburton Energy Services Inc | Drillable casing scraper |
-
2017
- 2017-05-22 CN CN201720571147.5U patent/CN206801530U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2590259B (en) * | 2018-09-28 | 2022-09-28 | Halliburton Energy Services Inc | Drillable casing scraper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180522 |