CN201807506U - Spray coating device of coating inside small-caliber pipe - Google Patents
Spray coating device of coating inside small-caliber pipe Download PDFInfo
- Publication number
- CN201807506U CN201807506U CN2010205582932U CN201020558293U CN201807506U CN 201807506 U CN201807506 U CN 201807506U CN 2010205582932 U CN2010205582932 U CN 2010205582932U CN 201020558293 U CN201020558293 U CN 201020558293U CN 201807506 U CN201807506 U CN 201807506U
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- Prior art keywords
- air motor
- caliber pipe
- shower nozzle
- spray equipment
- revolution
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- Expired - Lifetime
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Abstract
The utility model relates to a spray coating device of a coating inside a small-caliber pipe, which comprises an air motor driving seat, an air motor rotating case, an air motor shaft and an air motor spray head, wherein the air motor driving seat, the air motor rotating case and the air motor spray head are sequentially fixed and connected to form a continuous inner cavity, the air motor shaft is arranged in the inner cavity, the back part of the air motor shaft is connected with the air motor driving seat, the middle part is movably connected with the air motor rotating case through a bearing, the front part extends into the air motor spray head, axially penetrated paint passages are arranged in the air motor shaft, and the passages are communicated with the inner cavity at the front side and the back side. Because the outer diameter of a motor is reduced, the spray coating device of the coating inside the small-caliber pipe increases the atomization space, sufficiently ensures the effective atomization distance of liquid paint, ensures the spray coating of the liquid paint after the sufficient atomization and improves the coating quality.
Description
Technical field
The utility model relates to a kind of coating equipment, relates in particular to the internally coated spray equipment of a kind of minor caliber pipe.
Background technology
The drilling rod that Φ 48mm bore is following and the undercoating of oil pipe are when spraying, and be low with original spray equipment spraying first-time qualification rate, is easy to generate trickling, the unequal defective phenomenon of coating, influenced product profit to a great extent.Therefore to the internally coated spraying of minor caliber pipe, need a kind of more suitably spray equipment.
The utility model content
The purpose of this utility model in order to solve the problem that above-mentioned prior art exists, provides a kind of minor caliber pipe internally coated spray equipment exactly.
In order to achieve the above object, the utility model has adopted following technical scheme: the internally coated spray equipment of a kind of minor caliber pipe, comprise that air motor drives seat, the air motor shell of revolution, air motor shaft and air motor shower nozzle, air motor drives seat, the air motor shell of revolution links to each other with air motor shower nozzle fixed order and forms a continuous inner chamber, air motor shaft is arranged in the above-mentioned inner chamber, its rear portion drives seat with air motor and links to each other, the middle part is movably connected by bearing and air motor shell of revolution, the front portion is stretched in the air motor shower nozzle, be provided with the coating passage of axial perforation in the air motor shaft, connect before and after this passage and the above-mentioned inner chamber.
The front end of described air motor shower nozzle is a blind end, and the rear end is an openend, and inside is provided with a pre-large post-small conical cavity, and the side is provided with a plurality of double helix spray orifices conical cavity is in communication with the outside.
Described air motor drives the unified Φ 21mm of being of external diameter of seat, air motor shell of revolution and air motor shower nozzle.
Rotating speed when described spray equipment is unloaded changes for per minute 10000-15000.
Adopt the internally coated spray equipment of minor caliber pipe of the present utility model because the external diameter of motor diminishes (becoming Φ 21mm) by original Φ 34mm, increased the atomizing spacing of 6.5mm, fully guaranteed effective atomization distance of liquid coating, the high rotating speed of small-bore motor has guaranteed to spray after liquid coating can atomize again, and has improved coating quality.
Description of drawings
Fig. 1 be the internally coated spray equipment of the utility model minor caliber pipe partly cut open structural representation.
The specific embodiment
Referring to Fig. 1, the internally coated spray equipment of the utility model minor caliber pipe comprises that air motor drives seat 1, air motor shell of revolution 2, air motor shaft 3 and air motor shower nozzle 4.Air motor drives seat 1, air motor shell of revolution 2 links to each other with air motor shower nozzle 4 fixed order and form a continuous inner chamber, air motor shaft 3 is arranged in the above-mentioned inner chamber, its rear portion drives seat 1 with air motor and links to each other, the middle part is movably connected by bearing 5 and air motor shell of revolution 2, the front portion is stretched in the air motor shower nozzle 4, be provided with the coating passage of axial perforation in the air motor shaft 3, connect before and after this passage and the above-mentioned inner chamber.
The front end of the air motor shower nozzle 4 in the utility model is a blind end, and the rear end is an openend, and inside is provided with a pre-large post-small conical cavity, and the side is provided with a plurality of double helix spray orifice 41 conical cavity is in communication with the outside.
Air motor in the utility model drives the unified Φ 21mm of being of external diameter of seat, air motor shell of revolution and air motor shower nozzle.
The internally coated spray equipment of the utility model minor caliber pipe is driven by high-speed air, and the rotating speed when unloaded changes for per minute 10000-15000.
Course of work principle of the present utility model is: high-speed air is by air motor rotating seat 1, drive air motor shell of revolution 2 and form rotation, owing to disposed special-purpose bearing 5 and stable air motor shaft 3, air motor shell of revolution 2 drives air motor shower nozzle 4 and forms rotation at a high speed, liquid coating is from air motor shaft 3 inner ejections, inner chamber at air motor shower nozzle 4 sprays through double helical bore 41, is sprayed at the OCTG inwall behind the formation atomizing effect.
Below be the several application embodiment that adopts the internally coated spray equipment of the utility model minor caliber pipe to construct.
Embodiment 1:
Tubing is 2 and 7/8 cun drilling rods, the inner bore of tubing is Φ 40mm, small-bore spraying air motor device enters tubing inside when carrying out spraying operation, effectively atomization distance is 9.5mm, atomizing back applying coating is in internal surface of pipe, wet-film thickness reaches 175 μ m, and coating quality reaches the every index of petroleum industry drilling rod standard SY/T0544-2004.
Embodiment 2:
Tubing is 2 and 3/8 cun drilling rods, the inner bore of tubing is Φ 3 8mm, small-bore spraying air motor device enters tubing inside when carrying out spraying operation, effectively atomization distance is 8.5mm, atomizing back applying coating is in internal surface of pipe, wet-film thickness reaches 175 μ m, and coating quality reaches the every index of petroleum industry drilling rod standard SY/T0544-2004.
Embodiment 3:
Tubing is 2 and 3/8 cun oil pipes, the inner bore of tubing is Φ 45mm, small-bore spraying air motor device enters tubing inside when carrying out spraying operation, effectively atomization distance is 12mm, atomizing back applying coating is in internal surface of pipe, wet-film thickness reaches 150 μ m, and coating quality reaches the every index of petroleum industry oil pipe standard SY/T6717-2008.
Claims (4)
1. internally coated spray equipment of minor caliber pipe, it is characterized in that: comprise that air motor drives seat, the air motor shell of revolution, air motor shaft and air motor shower nozzle, air motor drives seat, the air motor shell of revolution links to each other with air motor shower nozzle fixed order and forms a continuous inner chamber, air motor shaft is arranged in the above-mentioned inner chamber, its rear portion drives seat with air motor and links to each other, the middle part is movably connected by bearing and air motor shell of revolution, the front portion is stretched in the air motor shower nozzle, be provided with the coating passage of axial perforation in the air motor shaft, connect before and after this passage and the above-mentioned inner chamber.
2. the internally coated spray equipment of minor caliber pipe as claimed in claim 1, it is characterized in that: the front end of described air motor shower nozzle is a blind end, the rear end is an openend, and inside is provided with a pre-large post-small conical cavity, and the side is provided with a plurality of double helix spray orifices conical cavity is in communication with the outside.
3. the internally coated spray equipment of minor caliber pipe as claimed in claim 1 is characterized in that: described air motor drives the unified Φ 21mm of being of external diameter of seat, air motor shell of revolution and air motor shower nozzle.
4. the internally coated spray equipment of minor caliber pipe as claimed in claim 1 is characterized in that: the rotating speed when described spray equipment is unloaded changes for per minute 10000-15000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205582932U CN201807506U (en) | 2010-10-12 | 2010-10-12 | Spray coating device of coating inside small-caliber pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205582932U CN201807506U (en) | 2010-10-12 | 2010-10-12 | Spray coating device of coating inside small-caliber pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201807506U true CN201807506U (en) | 2011-04-27 |
Family
ID=43890455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205582932U Expired - Lifetime CN201807506U (en) | 2010-10-12 | 2010-10-12 | Spray coating device of coating inside small-caliber pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201807506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441512A (en) * | 2010-10-12 | 2012-05-09 | 上海图博可特石油管道涂层有限公司 | Device for spraying internal coatings of small-diameter tubes |
| CN102921601A (en) * | 2012-11-01 | 2013-02-13 | 北京华子龙技术有限责任公司 | High viscosity/low viscosity dual-function inner spray device |
| CN107442306A (en) * | 2017-09-29 | 2017-12-08 | 科澳特石油工程技术有限公司 | Nozzle structure and for spraying the internally coated ejecting device of petroleum pipeline |
-
2010
- 2010-10-12 CN CN2010205582932U patent/CN201807506U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441512A (en) * | 2010-10-12 | 2012-05-09 | 上海图博可特石油管道涂层有限公司 | Device for spraying internal coatings of small-diameter tubes |
| CN102921601A (en) * | 2012-11-01 | 2013-02-13 | 北京华子龙技术有限责任公司 | High viscosity/low viscosity dual-function inner spray device |
| CN107442306A (en) * | 2017-09-29 | 2017-12-08 | 科澳特石油工程技术有限公司 | Nozzle structure and for spraying the internally coated ejecting device of petroleum pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |
|
| CX01 | Expiry of patent term |