CN114042576A - Reciprocating type spraying equipment - Google Patents
Reciprocating type spraying equipment Download PDFInfo
- Publication number
- CN114042576A CN114042576A CN202111601000.3A CN202111601000A CN114042576A CN 114042576 A CN114042576 A CN 114042576A CN 202111601000 A CN202111601000 A CN 202111601000A CN 114042576 A CN114042576 A CN 114042576A
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- pipeline
- shaped roller
- steel cable
- coated
- supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
- B05B13/0654—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation and a treating nozzles being translated through the hollow bodies in a direction essentially parallel to the rotational axis
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Abstract
The invention discloses reciprocating type spraying equipment, and relates to the field of industrial coating. When the pipeline is sprayed, firstly, the pipeline to be coated is moved to the pipeline supporting and rotating device through equipment, then the guide device is arranged, the spraying device is installed on the guide device, the spraying device moves in the pipeline in a reciprocating mode along the guide device to spray the inner wall of the pipeline, and the pipeline supporting and rotating device drives the pipeline to rotate in a stepping mode so as to move the position of the inner wall of the pipeline and enable the inner wall of the whole circumference to be coated step by step; compared with the prior art, the detachable guide device and the detachable spraying device are assembled after the pipeline is good, and the detachable guide device and the detachable spraying device have the advantages of simple structure and high reliability.
Description
Technical Field
The invention discloses reciprocating type spraying equipment, and relates to the field of industrial coating.
Background
The coating is an important link in the modern product manufacturing process, and can effectively enhance the functions of rust prevention, corrosion prevention and the like of the product.
The prior art is mostly divided into two types aiming at the inner wall coating of the pipeline.
A method for spraying the inner wall of a pipeline and a spraying robot disclosed in patent No. CN202011277808.6, which adopts the following method:
step 1: horizontally fixing the pipeline, and installing a paint spraying robot outside the pipeline;
step 2: a spray head of the paint spraying robot extends into the pipeline and moves in the pipeline along the length direction of the pipeline to uniformly spray the inner wall of the pipeline;
and step 3: and after spraying is finished, the spraying robot works to drive the spray head to move out of the interior of the pipeline, the pipeline is disassembled, and spraying is finished.
A special spraying equipment for municipal pipeline construction inner walls as disclosed in the patent CN202110867730.1 is characterized in that a front telescopic rod and a rear telescopic rod which can change the length are connected with pulleys, the special spraying equipment is suitable for inner walls with different pipe diameters and can walk in the inner walls, a rotating head drives an internal helical blade to rotate through paint flowing, and automatic spraying heads automatically rotate around the inner walls of the pipelines.
However, for the spraying of the inner wall of the ultra-large pipeline, if the first scheme is adopted, the structure of the robot is very huge, and the arm section extending into the pipeline is very long and is easy to break; the same problem is also true if the second solution is adopted, and the structure is very large and complex when the pipeline is required to run.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide reciprocating type spraying equipment for spraying the inner wall of the ultra-large pipeline.
In order to solve the technical problems, the invention adopts the following technical scheme:
a reciprocating spraying device comprises a pipeline supporting and rotating device, a guide device and a spraying device;
the pipeline supporting and rotating device is used for supporting a pipeline to be coated and driving the pipeline to be coated to rotate in a stepping mode;
the guide device penetrates through one end of the pipeline to be coated and penetrates out of the other end of the pipeline to be coated, and is parallel to the horizontal plane;
the spraying device is arranged on the guide device and can reciprocate along the guide device to spray the inner wall of the pipeline to be coated.
Furthermore, the guide device comprises two parallel steel rails which are arranged in parallel; the spraying device comprises a trolley capable of walking along the steel rails and a spraying head arranged on the trolley, wherein the spraying head is arranged between the two steel rails and faces downwards.
Furthermore, supports are arranged at two ends of the steel rail and used for supporting the steel rail.
Based on the same inventive concept, the invention also provides the following scheme:
a reciprocating spraying device comprises a pipeline supporting and rotating device, a guide device and a spraying device;
the pipeline supporting and rotating device is used for supporting a pipeline to be coated and driving the pipeline to be coated to rotate in a stepping mode;
the guide device penetrates through one end of the pipeline to be coated and penetrates out of the other end of the pipeline to be coated, and is parallel to the horizontal plane;
the spraying device is arranged on the guide device and can reciprocate along the guide device to spray the inner wall of the pipeline to be coated.
Furthermore, the guiding device comprises a steel cable, one end of the steel cable enters the pipeline to be coated and penetrates out of the other end of the pipeline, the steel cable enters the pipeline again after rotating, the two ends of the steel cable are connected with each other, and the outer parts of the two ends of the pipeline to be coated are respectively provided with a steel cable fixing device matched with each other for fixing the steel cable; the steel cable is provided with a traction rope and a supporting rope which are horizontally arranged in parallel; the spraying device comprises a flat plate, the flat plate is carried on the traction rope and the supporting rope, the flat plate is fixedly connected with the traction rope, and the flat plate is matched with the supporting rope in a rolling mode.
Furthermore, a tension device is arranged on the steel cable to enable the steel cable to be tightened after being connected.
Further, the steel cable fixing device comprises a first V-shaped roller, a second V-shaped roller and a third V-shaped roller, the first V-shaped roller and the second V-shaped roller are coaxially arranged, and the third V-shaped roller is positioned below the space between the first V-shaped roller and the second V-shaped roller; the steel cable horizontally bypasses the first V-shaped roller wheel, vertically extends downwards to the third V-shaped roller wheel, bypasses the third V-shaped roller wheel, vertically extends upwards to the second V-shaped roller wheel, and bypasses the second V-shaped roller wheel, and horizontally extends to the steel cable fixing device at the other end.
Furthermore, a motor for driving the third V-shaped roller wheel to rotate is arranged outside the third V-shaped roller wheel.
Furthermore, the tensioning device comprises two screws and a screw sleeve which are arranged at two ends of the steel cable, the two screws are in threaded connection with the screw sleeve, and the two screws can move relatively through the rotation of the screw sleeve.
Furthermore, four V-shaped rollers are arranged on a flat plate of the spraying device and respectively carried on the traction rope and the supporting rope.
Further, dull and stereotyped the place ahead bottom is equipped with a U type fixed staple bolt, and it has two fixing screw to alternate on the fixed staple bolt of U type, and the cover is equipped with a U type activity staple bolt on the fixing screw, and U type fixed staple bolt and U type activity staple bolt press from both sides tightly the haulage rope, U type activity staple bolt pass through the nut to be fixed on two fixing screw to locking through the nut makes U type activity staple bolt press from both sides tightly on the haulage rope, with this through the dull and stereotyped removal of haulage rope pulling.
Has the advantages that:
1. when the pipeline is sprayed, firstly, the pipeline to be coated is moved to the pipeline supporting and rotating device through equipment, then the guide device is arranged, the spraying device is installed on the guide device, the spraying device moves in the pipeline in a reciprocating mode along the guide device to spray the inner wall of the pipeline, and the pipeline supporting and rotating device drives the pipeline to rotate in a stepping mode so as to move the position of the inner wall of the pipeline and enable the inner wall of the whole circumference to be coated step by step; compared with the prior art, the detachable guide device and the spraying device are assembled after the pipeline is finished, and the detachable guide device and the spraying device have the advantages of simple structure and high reliability;
2. the guiding device can adopt a steel cable, after the pipeline is fixed, one end of the steel cable is manually pulled to enter the pipeline to be coated, the steel cable is rotated and then enters the pipeline again, then two ends of the steel cable are connected, and the steel cable is tightened by the tensioning device, so that the steel cable forms a traction rope and a supporting rope; the spraying device can adopt a flat plate, the flat plate is carried on the traction rope and the supporting rope, the flat plate is connected and fixed with the traction rope and is matched with the supporting rope in a rolling way, the steel cable is driven by the motor to do reciprocating movement, the traction rope can pull the flat plate to do reciprocating movement, a spraying head is fixed on the flat plate, the inner wall is sprayed by the spraying head, and the upper pipeline supporting and rotating device is matched to ensure that the inner wall of the whole circumference is gradually coated; adopt the steel cable to lead to, so that when the spraying at every turn, guider arrange more swiftly convenient to adopt dull and stereotyped carry on the steel cable after connect the steel cable through the staple bolt, can make the steel cable drag the flat board and remove at the pipeline, further improved the convenience.
Drawings
FIG. 1 is a schematic structural view of the interior of a pipeline of a trolley according to a first embodiment;
FIG. 2 is a schematic front view illustrating a first embodiment;
FIG. 3 is a diagram illustrating the operation of the structure according to the second embodiment;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic front view of the second embodiment;
FIG. 6 is a schematic perspective view of a second embodiment;
FIG. 7 is a schematic view of a tension structure in the second embodiment;
description of reference numerals: the steel rail 1, the support 11, the trolley 2, the spraying head 21, the steel cable 3, the traction rope 31, the supporting rope 32, the steel cable fixing device 4, the first V-shaped roller 41, the second V-shaped roller 42, the third V-shaped roller 43, the flat plate 5, the V-shaped roller 51, the U-shaped fixed hoop 52, the U-shaped movable hoop 53, the fixing screw 54, the motor 6, the screw 71, the screw sleeve 72 and the pipeline supporting and rotating device 8.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments. Those skilled in the art will be able to implement the invention based on these teachings. Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
The first embodiment is as follows: in a reciprocating type spraying equipment as shown in fig. 1 and 2, a pipeline supports a rotating device 8, a guiding device and a spraying device;
the pipeline supporting and rotating device 8 is used for supporting the pipeline to be coated and driving the pipeline to be coated to rotate in a stepping mode;
the guide device penetrates through one end of the pipeline to be coated and penetrates out of the other end of the pipeline to be coated, and is parallel to the horizontal plane;
the spraying device is arranged on the guide device and can reciprocate along the guide device to spray the inner wall of the pipeline to be coated.
When the pipeline is sprayed, firstly, the pipeline to be coated is moved to the pipeline supporting and rotating device 8 through equipment, then a guide device is arranged, and then the spraying device is arranged on the guide device; the spraying device is used for spraying aiming at the inner wall of the pipeline, and the pipeline supporting and rotating device 8 can drive the pipeline to rotate in a stepping mode so as to be used for moving the position of the inner wall of the pipeline and enable the inner wall of the whole circumference to be gradually coated.
In this embodiment, the guiding device adopts two steel rails 1 arranged in parallel, the steel rails 1 are arranged in parallel, the spraying device comprises a trolley 2 capable of walking along the steel rails 1 and a spraying head 21 arranged on the trolley 2, and the spraying head 21 is arranged between the two steel rails 1 and faces downwards. The control is simple, the stroke end point of the trolley 2 is set, the pipeline is static when the trolley 2 reaches the other end from one end, the pipeline rotates for a certain angle after the trolley 2 stops, the trolley 2 moves back from the other end to reach the stroke end point, the trolley stops, the pipeline rotates for a certain angle again, and the steps are repeated in this way, so that the whole pipeline is sprayed.
In this embodiment, the steel rail 1 is provided with supports 11 at both ends thereof for supporting the steel rail 1.
Example two: a reciprocating type painting apparatus as shown in fig. 3 to 7, the pipe supporting rotating means 8, the guide means and the painting means;
the pipeline supporting and rotating device 8 is used for supporting the pipeline to be coated and driving the pipeline to be coated to rotate in a stepping mode;
the guide device penetrates through one end of the pipeline to be coated and penetrates out of the other end of the pipeline to be coated, and is parallel to the horizontal plane;
the spraying device is arranged on the guide device and can reciprocate along the guide device to spray the inner wall of the pipeline to be coated.
In this embodiment, guider adopts a steel cable 3, treats that the pipeline of application moves on pipeline support rotary device 8 after, by artifical tractive steel cable 3 one end get into treat the pipeline of application, gyration again, in the entering pipeline of once more, then connect steel cable 3 both ends to by overspeed device tensioner make steel cable 3 tighten, treat that the pipeline both ends outside of application all is equipped with complex steel cable fixing device 4, be used for fixed steel cable 3. Thus, the steel cable 3 forms a pulling rope 31 and a supporting rope 32, and the pulling rope 31 and the supporting rope 32 are actually the steel cable 3.
The spraying device comprises a flat plate 5, the flat plate 5 is carried on a traction rope 31 and a supporting rope 32, the flat plate 5 is fixedly connected with the traction rope 31 and is in rolling fit with the supporting rope 32, and when the steel cable 3 makes reciprocating movement, the traction rope 31 can pull the flat plate 5 to make reciprocating movement. A spray head 21 is fixed to the plate 5, and the spray head 21 is disposed between the pulling rope 31 and the support rope 32 and faces downward. The spraying head 21 is driven to spray the inner wall through the reciprocating of the flat plate 5, and the upper pipeline supporting and rotating device 8 is matched to ensure that the inner wall of the whole circumference is gradually coated.
Compared with the first embodiment, the second embodiment has the advantage that the installation of the guiding device is simpler, because the guiding device of the first embodiment needs large-scale equipment to be matched each time to disassemble and assemble the steel rail 1, and the second embodiment does not need to use a separate operator to pull the steel cable 3 to complete the installation of the steel cable 3. The rail 1 also has a disadvantage that the rail 1 has a long span and is easily deformed for large pipelines, which may cause the trolley 2 to derail or affect the painting effect, and may have a fracture risk. This is not the case with the wire rope 3.
In this embodiment, as shown in fig. 6, the wire rope fixing device 4 includes a first V-shaped roller 41, a second V-shaped roller 42 and a third V-shaped roller 43, the first V-shaped roller 41 and the second V-shaped roller 42 are coaxially disposed, the third V-shaped roller 43 is located below between the first V-shaped roller 41 and the second V-shaped roller 42, the wire rope 3 can be horizontally loaded on the first V-shaped roller 41 and the second V-shaped roller 42, and the turning of the wire rope 3 is realized by the third V-shaped roller 43, specifically, the wire rope 3 horizontally extends from the wire rope fixing device 4 at one end to the wire rope fixing device 4 at the other end, the wire rope 3 extends to the first V-shaped roller 41, and the wire rope passes through the first V-shaped roller 41, vertically extends downwards to reach the third V-shaped roller 43, passes through the third V-shaped roller 43, vertically extends upwards to reach the second V-shaped roller 42, and passes through the second V-shaped roller 42 and horizontally extends towards the wire rope fixing device 4 at the other end. Thereby, the weight of the spraying device is transmitted to the first V-shaped roller 41 and the second V-shaped roller 42, and the derailment of the wire rope 3 can be avoided.
In this embodiment, as shown in fig. 6, the third V-shaped roller 43 is externally provided with a motor 6 for driving the third V-shaped roller 43 to rotate, which is used for moving the wire rope 3.
In this embodiment, as shown in fig. 7, the tensioning device includes two screws 71 disposed at both ends of the wire rope 3, and a screw sleeve 72, wherein the two screws 71 are both connected with the screw sleeve 72 by screw threads, and the rotation of the screw sleeve 72 can make the two screws 71 move relatively, so that the wire rope 3 is tensioned after butt joint.
In this embodiment, as shown in fig. 4, the spraying device includes a flat plate 5, four V-shaped rollers 51 are disposed on the flat plate 5 and respectively mounted on the pulling rope 31 and the supporting rope 32, a U-shaped fixed hoop 52 is disposed at the bottom of the front of the flat plate 5, two fixed screws 54 are inserted into the U-shaped fixed hoop 52, a U-shaped movable hoop 53 is sleeved on the fixed screws 54, the pulling rope 31 is clamped by the U-shaped fixed hoop 52 and the U-shaped movable hoop 53, the U-shaped movable hoop 53 is fixed on the two fixed screws 54 by nuts, and the U-shaped movable hoop 53 is clamped on the pulling rope 31 by the nuts, so that the flat plate 5 is pulled to move by the pulling rope 31.
The workflow of this example is as follows:
before each spraying, the pipeline to be coated is moved to the pipeline supporting and rotating device 8 through equipment;
then manually pulling one end of the steel cable 3, entering a pipeline to be coated, winding and connecting the steel cable 3 on an external steel cable fixing device 4, wherein the steel cable 3 at the other end is synchronously wound and connected on the steel cable fixing device 4 at the other end manually, then turning around by a worker who originally enters the pipeline, entering the pipeline again, butting the two ends of the steel cable 3 by the workers at the two sides, and tightening the steel cable 3 by a tensioning device; it should be noted that workers entering the pipeline need to wear dustless clothes;
then, the flat plate 5 is placed on the pulling rope 31 and the supporting rope 32, the U-shaped movable anchor ear 53 is sleeved on the fixed screw 54, and then
The U-shaped movable hoop 53 and the U-shaped fixed hoop 52 are tightly clamped on the traction rope 31 through nut locking;
the starting motor 6 drives the steel cable 3 to reciprocate, the pulling rope 31 pulls the flat plate 5 to reciprocate, the pipeline is static when the flat plate 5 reaches the other end from one end, after the flat plate 5 stops, the pipeline supporting and rotating device 8 drives the pipeline to rotate for a certain angle, the flat plate 5 returns to reach a stroke end point from the other end, the pipeline stops again, the pipeline rotates for a certain angle again, and the whole pipeline is sprayed in a reciprocating mode.
It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A reciprocating spray coating device characterized by: comprises a pipeline supporting and rotating device (8), a guiding device and a spraying device;
the pipeline supporting and rotating device (8) is used for supporting the pipeline to be coated and driving the pipeline to be coated to rotate in a stepping mode;
the guide device penetrates through one end of the pipeline to be coated and penetrates out of the other end of the pipeline to be coated, and is parallel to the horizontal plane;
the spraying device is arranged on the guide device and can reciprocate along the guide device to spray the inner wall of the pipeline to be coated.
2. The reciprocating spray apparatus of claim 1, wherein: the guide device comprises two steel rails (1) which are arranged in parallel, and the steel rails (1) are arranged in parallel; the spraying device comprises a trolley (2) capable of walking along the steel rails (1) and a spraying head (21) arranged on the trolley (2), wherein the spraying head (21) is arranged between the two steel rails (1) and faces downwards.
3. A reciprocating spray apparatus as claimed in claim 2, wherein: two ends of the steel rail (1) are provided with supports (11) for supporting the steel rail (1).
4. The reciprocating spray apparatus of claim 1, wherein: the guiding device comprises a steel cable (3), one end of the steel cable (3) enters the pipeline to be coated and penetrates out of the other end of the pipeline, the steel cable enters the pipeline again after rotating, the two ends of the steel cable (3) are connected with each other, and the outer parts of the two ends of the pipeline to be coated are respectively provided with a steel cable fixing device (4) matched with each other for fixing the steel cable (3); the steel cable (3) is provided with a traction rope (31) and a supporting rope (32) which are horizontally arranged and are parallel to each other; the spraying device comprises a flat plate (5), the flat plate (5) is arranged on the traction rope (31) and the supporting rope (32), the flat plate (5) is fixedly connected with the traction rope (31), and the flat plate (5) is matched with the supporting rope (32) in a rolling mode.
5. The reciprocating spray apparatus of claim 4, wherein: the steel cable (3) is provided with a tensioning device so that the steel cable (3) is tensioned after being connected.
6. The reciprocating spray apparatus of claim 4, wherein: the steel cable fixing device (4) comprises a first V-shaped roller (41), a second V-shaped roller (42) and a third V-shaped roller (43), the first V-shaped roller (41) and the second V-shaped roller (42) are coaxially arranged, and the third V-shaped roller (43) is positioned below the space between the first V-shaped roller (41) and the second V-shaped roller (42); the steel cable (3) horizontally bypasses the first V-shaped roller (41) and then vertically extends downwards to the third V-shaped roller (43), bypasses the third V-shaped roller (43) and then vertically extends upwards to the second V-shaped roller (42), and bypasses the second V-shaped roller (42) and then horizontally extends towards the steel cable fixing device (4) at the other end.
7. The reciprocating spray apparatus of claim 6, wherein: a motor (6) for driving the third V-shaped roller (43) to rotate is arranged outside the third V-shaped roller (43).
8. The reciprocating spray apparatus of claim 4, wherein: the tensioning device comprises two screws (71) and a screw sleeve (72) which are arranged at two ends of the steel cable (3), the two screws (71) are in threaded connection with the screw sleeve (72), and the two screws (71) can move relatively through the rotation of the screw sleeve (72).
9. The reciprocating spray apparatus of claim 4, wherein: four V-shaped rollers (51) are arranged on a flat plate (5) of the spraying device and are respectively carried on the traction rope (31) and the supporting rope (32).
10. The reciprocating spray apparatus of claim 4, wherein: dull and stereotyped (5) the place ahead bottom is equipped with a fixed staple bolt of U type (52), and it has two set screw (54) to alternate on the fixed staple bolt of U type (52), and the cover is equipped with a U type activity staple bolt (53) on set screw (54), and fixed staple bolt of U type (52) and U type activity staple bolt (53) press from both sides tightly haulage rope (31), and U type activity staple bolt (53) are fixed on two set screw (54) through the nut to locking through the nut makes U type activity staple bolt (53) and the fixed staple bolt of U type (52) press from both sides tight haulage rope (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111601000.3A CN114042576A (en) | 2021-12-24 | 2021-12-24 | Reciprocating type spraying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111601000.3A CN114042576A (en) | 2021-12-24 | 2021-12-24 | Reciprocating type spraying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114042576A true CN114042576A (en) | 2022-02-15 |
Family
ID=80213503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111601000.3A Withdrawn CN114042576A (en) | 2021-12-24 | 2021-12-24 | Reciprocating type spraying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114042576A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4327952A1 (en) * | 2022-08-25 | 2024-02-28 | EEW Special Pipe Constructions GmbH | Rotating device for pipes and pipe lengths |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202199468U (en) * | 2011-07-20 | 2012-04-25 | 南京理工大学 | Pipe-diameter adaptive inner wall spray equipment for heavy caliber steel pipe |
| KR101469861B1 (en) * | 2014-03-13 | 2014-12-08 | 주성이엔지 주식회사 | Epoxy coating composition for inner-coating of water supply pipelines |
| CN206981075U (en) * | 2017-06-07 | 2018-02-09 | 安徽建筑大学 | One kind is used for inner-walls of duct solid spray body |
| CN211937557U (en) * | 2020-03-31 | 2020-11-17 | 深圳市东信海洋机械工程有限公司 | Pipeline spraying device |
| CN112221787A (en) * | 2020-09-21 | 2021-01-15 | 湖南恒岳重钢钢结构工程有限公司 | Paint spraying device for inner surface of wind power tower cylinder |
| CN113634412A (en) * | 2021-09-08 | 2021-11-12 | 安徽信息工程学院 | Large-scale pipeline inner wall spraying equipment and method thereof |
-
2021
- 2021-12-24 CN CN202111601000.3A patent/CN114042576A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202199468U (en) * | 2011-07-20 | 2012-04-25 | 南京理工大学 | Pipe-diameter adaptive inner wall spray equipment for heavy caliber steel pipe |
| KR101469861B1 (en) * | 2014-03-13 | 2014-12-08 | 주성이엔지 주식회사 | Epoxy coating composition for inner-coating of water supply pipelines |
| CN206981075U (en) * | 2017-06-07 | 2018-02-09 | 安徽建筑大学 | One kind is used for inner-walls of duct solid spray body |
| CN211937557U (en) * | 2020-03-31 | 2020-11-17 | 深圳市东信海洋机械工程有限公司 | Pipeline spraying device |
| CN112221787A (en) * | 2020-09-21 | 2021-01-15 | 湖南恒岳重钢钢结构工程有限公司 | Paint spraying device for inner surface of wind power tower cylinder |
| CN113634412A (en) * | 2021-09-08 | 2021-11-12 | 安徽信息工程学院 | Large-scale pipeline inner wall spraying equipment and method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4327952A1 (en) * | 2022-08-25 | 2024-02-28 | EEW Special Pipe Constructions GmbH | Rotating device for pipes and pipe lengths |
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Application publication date: 20220215 |