CN220836255U - Rotary coating structure and steel pipe inner wall anti-corrosion coating device thereof - Google Patents
Rotary coating structure and steel pipe inner wall anti-corrosion coating device thereof Download PDFInfo
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- CN220836255U CN220836255U CN202322202693.XU CN202322202693U CN220836255U CN 220836255 U CN220836255 U CN 220836255U CN 202322202693 U CN202322202693 U CN 202322202693U CN 220836255 U CN220836255 U CN 220836255U
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- Prior art keywords
- pipe
- wall
- pipeline
- spraying
- extension rod
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- 239000011248 coating agent Substances 0.000 title claims abstract description 28
- 238000000576 coating method Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 7
- 239000010959 steel Substances 0.000 title claims abstract description 7
- 238000005260 corrosion Methods 0.000 title claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 69
- 239000007921 spray Substances 0.000 claims abstract description 22
- 238000007790 scraping Methods 0.000 claims abstract description 14
- 230000007797 corrosion Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 241001540526 Leptonotus elevatus Species 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The utility model relates to the technical field of pipeline spraying, and discloses a rotary coating structure and a steel pipe inner wall anti-corrosion coating device thereof, which comprises a spraying pipe, wherein the spraying pipe is higher in a pipe shape with two closed ends, a plurality of spray holes are formed in the circumferential surface of the spraying pipe, a scraping component capable of cleaning the inner wall of the pipe is arranged at the end surface of the spraying pipe, the scraping component comprises a limiting part, an extending rod, an elastic part and a nose ring, the limiting part and the extending rod are fixedly connected with the spraying pipe, the nose ring is fixedly connected with the extending rod, the elastic part is sleeved on the wall surface of the extending rod, the nose ring is fixedly connected with a cable, the cable can pull the extending rod to drive the elastic part to move in the pipe and scrape the inner wall of the pipe, the cable is pulled to drive the nose ring and the extending rod to move in the pipe, the limiting part pushes the elastic part to slide in the pipe, and the elastic part scrapes the inner wall of the pipe and pushes impurities out of the pipe cavity to realize cleaning before spraying.
Description
Technical Field
The utility model belongs to the technical field of pipeline spraying, and particularly relates to a rotary coating structure and a steel pipe inner wall anti-corrosion coating device thereof.
Background
The prior art discloses a pipeline inner wall spraying repair device (CN 202111418136.0), which comprises a rotary sprayer and a corresponding driving motor, wherein the rotary sprayer is fixedly connected in a bracket, repair slurry is input by the rotary sprayer through a feeding interface, two or three axial sliding skid plates are connected to the periphery of the bracket, a pair of expansion sliding frames are detachably connected to each sliding skid plate, and the relative distance between the expansion sliding frames and the sliding skid plates is adjusted through an adjustable connecting arm mechanism, so that an externally hung expansion sliding device with an adjustable supporting radius is formed;
In the prior art, the inner wall of the spray-coated pipeline with the umbrella-shaped structure is formed by expanding and expanding a plurality of pipelines, in the actual use process, the process of entering the spray-coated pipeline is carried out by impurity treatment, the inner wall of the spray-coated pipeline still has residual impurities adhered to the inner wall, and in the prior art, all the pipelines enter the pipeline which needs to be sprayed, and the spray coating is carried out in the process of exiting, so the residual protective layer still exists, and the sealing effect of the protective layer formed by the paint on the pipeline is further influenced, so the spray-coated quality is influenced.
The present utility model has been made in view of this.
Disclosure of utility model
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
The utility model provides a rotary type coating structure, includes the spraying pipe, and the spraying pipe forms both ends confined tubulose higher, and a plurality of orifices are seted up to the circumference of spraying pipe, the terminal surface department of spraying pipe is provided with the scraping subassembly that can clear up the pipeline inner wall, the scraping subassembly includes spacing portion, extension rod, elastic component and nose ring, spacing portion and extension rod all with spraying pipe fixed connection, nose ring and extension rod fixed connection, the elastic component cover is established at extension rod wall, and nose ring fixedly connected with hawser, hawser can stimulate the extension rod and drive the elastic component and remove and scrape the pipeline inner wall in the pipeline.
The limiting part forms a hollow annular structure, the end face of the elastic part is fixedly connected with an air tap, and the limiting part can be inflated to the cavity of the limiting part through the air tap so that the limiting part is expanded to be clung to the inner wall of the pipeline.
As a preferred embodiment of the utility model, the extension rod forms a cylindrical structure, the limiting part is annular, the extension rod passes through the central hole of the limiting part and is fixedly connected with the end surface of the spraying pipe, and the end surface of the limiting part is fixedly connected with the spraying pipe.
As a preferred embodiment of the present utility model, the outer diameter of the limiting portion is larger than the size of the central hole of the elastic member, and the diameter of the extension rod is larger than the size of the central hole of the elastic member.
As a preferred embodiment of the utility model, the scraping assembly further comprises rollers, wherein the rollers are symmetrically arranged on the outer circumferential surface of the spraying pipe, and the two rollers can support the spraying pipe to slide on the inner wall of the pipeline.
As a preferred embodiment of the utility model, the scraping assembly further comprises a plug body, the other end part of the spraying pipe is provided with the plug body, and the plug body can be sleeved on a feeding pipe connected with the spraying pipe and plugs a port of the pipe.
As a preferred embodiment of the utility model, the center of the end face of the plug body forming the truncated cone-shaped structure is provided with a through hole, the circumferential surface of the plug body is horizontally provided with a cutting groove, the plug body forms a flap-shaped structure through the cutting groove, and the plug body can be broken off and clamped on the outer wall of the feeding pipe.
As a preferred embodiment of the utility model, the corrosion-resistant coating device for the inner wall of the steel pipe comprises all the rotary coating structures.
Compared with the prior art, the utility model has the following beneficial effects:
1. Through setting up the elastic component, pass the pipeline cavity with the hawser that is connected with the nose ring earlier before the inner wall spraying of pipeline, the pulling hawser drives nose ring and extension bar and removes in the pipeline, spacing portion promotes the elastic component and slides in the pipeline, scrape the clearance pipeline inner wall and push out the pipeline chamber with impurity through the elastic component of inflation, realize the clearance before the spraying, take off the elastic component from the extension bar, the conveyer pipe of pulling again and spraying union coupling, start spraying equipment, realize the spraying of pipeline inner wall at the in-process that the spraying pipe withdrawed from pipeline cavity, one advance one and go out, accomplish the clearance and spray the process, avoid directly spraying at the entering in-process because of impurity causes coating and pipeline adhesion insecure, simultaneously, also can prevent that the spraying pipe fish tail from solidifying the coating when the pipe withdraws from the pipeline.
2. Through setting up the gyro wheel, the gyro wheel is the universal wheel, when the spray coating pipe withdraws from the pipeline, supports the spray coating pipe through the gyro wheel for the spray coating pipe keeps leaving the clearance with the pipeline inner wall, prevents spray coating pipe fish tail pipeline, simultaneously, reduces the resistance that the spray coating pipe withdraws from the pipeline.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a partial exploded view of the present utility model;
FIG. 2 is a schematic view of the mounting of the elastic member and the extension rod of the present utility model;
FIG. 3 is a perspective view of a plug and spray tube of the present utility model;
FIG. 4 is a schematic view of the cleaning of the inner wall of the pipe by the limiting part of the present utility model.
In the figure: 10. a spray pipe; 20. a limit part; 21. an extension rod; 22. an elastic member; 23. a nose ring; 24. a roller; 25. a plug body.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
1, 2 And 4, the rotary coating structure, as shown in fig. 1, 2 and 4, including the spray coating tube 10, the spray coating tube 10 forms the closed tubular higher of both ends, offer a plurality of spray orifices on the circumference of the spray coating tube 10, the end face department of the spray coating tube 10 has scraping assemblies that can clear up the inner wall of the pipeline, scraping assemblies include spacing part 20, extension rod 21, elastic member 22 and nose ring 23, spacing part 20 and extension rod 21 are all fixedly connected with spray coating tube 10, nose ring 23 and extension rod 21 are fixedly connected, elastic member 22 is sleeved on the wall of extension rod 21, nose ring 23 fixedly connected with hawser, the hawser can pull extension rod 21 to drive elastic member 22 to move in the pipeline and scrape the inner wall of the pipeline, spacing part 20 forms the hollow annular structure, the end face department of elastic member 22 is fixedly connected with air cock, the cavity of the spacing part 20 is inflated to make spacing part 20 expand and cling to the inner wall of the pipeline, the extension rod 21 forms the cylindrical structure, spacing part 20 is annular, the extension rod 21 passes the centre bore of spacing part 20 and is fixedly connected with end face of spray coating tube 10, the end face of spacing part 20 and the extension rod 21 are fixedly connected with extension rod 21, the diameter of the pipe is fixedly connected with the outer diameter of the pipe 10, the two support roller is required to be rotatably connected with the outer diameter of the pipe 10, the support frame is rotatably mounted on the support frame, the diameter of the pipe is required to be rotatably connected with the outer diameter of the pipe 10, the pipe is required to be rotatably connected with the support frame, the outer diameter of the pipe is required to be rotatably, the support tube is rotatably connected with the pipe, and is rotatably mounted on the support frame, and has a support tube is rotatably required to be rotatably connected with the diameter and has a support tube is rotatably and has a diameter and is connected with the diameter and has a support tube and a diameter and has a diameter and a support tube and is required;
Through setting up elastic component 22, before the inner wall spraying of pipeline, pass the pipeline cavity with the hawser that is connected with nose ring 23 earlier, the drive hawser drives nose ring 23 and extension bar 21 and removes in the pipeline, spacing portion 20 promotes elastic component 22 and slides in the pipeline, scrape the clearance pipeline inner wall through the elastic component 22 of inflation and push out the impurity outside the pipeline chamber, realize the clearance before the spraying, take off elastic component 22 from extension bar 21, the conveyer pipe of pulling again is connected with spraying pipe 10, start spraying equipment, realize the spraying of pipeline inner wall at the in-process that spraying pipe 10 withdrawed from the pipeline cavity, once advance one, accomplish the clearance and spout the process, avoid directly spraying in the entering in-process and cause coating and pipeline adhesion insecure because of the impurity, simultaneously, also can prevent the spraying pipe 10 to withdraw from the pipeline when the coating of spraying pipe 10 fish tail unset coating.
As shown in fig. 3, the scraping assembly further includes rollers 24, the rollers 24 are symmetrically installed on the outer circumferential surface of the spray pipe 10, the two rollers 24 can support the spray pipe 10 to slide on the inner wall of the pipeline, by arranging the rollers 24, the rollers 24 are universal wheels, when the spray pipe 10 exits the pipeline, the rollers 24 support the spray pipe 10, so that a gap is reserved between the spray pipe 10 and the inner wall of the pipeline, the spray pipe 10 is prevented from being scratched, and meanwhile, the resistance of the spray pipe 10 exiting the pipeline is reduced.
As shown in fig. 3, the scraping assembly further includes a plug body 25, the other end portion of the spraying pipe 10 is provided with the plug body 25, the plug body 25 can be sleeved on a feeding pipe connected with the spraying pipe 10 and plugs a pipe port, a through hole is formed in the center of the end face of the plug body 25 with a truncated cone-shaped structure, a cutting groove is horizontally formed in the circumferential surface of the plug body 25, the plug body 25 forms a flap-shaped structure through the cutting groove, the plug body 25 can be broken off and clamped on the outer wall of the feeding pipe, and by setting the plug body 25, one opening of the pipe can be plugged by the plug body 25 in the pipe ejecting process of the spraying pipe 10, so that air pollution caused by paint overflow is reduced.
The utility model provides a steel pipe inner wall anticorrosive coating device, not shown in the figure, including above-mentioned all rotation type coating structures, through setting up above-mentioned structure, has the integrative construction process of collection clearance and spraying, can clear up the effect of the remaining impurity of pipeline inner wall before the spraying, optimize the spraying step.
Working principle: the pipeline needs to be placed on the support frame for use, rotate on the support frame and be connected with the bearing roller, the pipeline is placed on two bearing rollers of symmetry setting, through bearing roller supporting pipeline outer wall, promote the pipeline rotation and realize rotatory spraying, and spray pipe 10 needs to be connected with the conveying pipeline, the connecting nozzle is installed to the other end face of spray pipe 10, the conveying pipeline is connected with the connecting nozzle, the conveying pipeline is connected with spraying equipment, pass the pipeline cavity with the hawser that is connected with nose ring 23 earlier, pull the hawser and drive nose ring 23 and extension bar 21 and remove in the pipeline, spacing portion 20 promotes elastic component 22 and slides in the pipeline, scrape the clearance pipeline inner wall through inflatable elastic component 22 and push away the impurity outside the pipeline chamber, realize the clearance before the spraying, take off elastic component 22 from extension bar 21, the conveyer pipe that is connected with spray pipe 10 is pulled again, start spraying equipment, realize the spraying to pipeline inner wall in-wall at the in-process that spray pipe 10 withdraws from the pipeline cavity.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a rotary type coating structure, includes spray coating pipe (10), and spray coating pipe (10) form both ends confined tubulose higher, and a plurality of orifices are seted up to the circumference of spray coating pipe (10), a serial communication port, the terminal surface department of spray coating pipe (10) is provided with the scraping subassembly that can clear up the pipeline inner wall, scraping subassembly includes spacing portion (20), extension rod (21), elastic component (22) and nose ring (23), spacing portion (20) and extension rod (21) all with spray coating pipe (10) fixed connection, nose ring (23) and extension rod (21) fixed connection, elastic component (22) cover are established at extension rod (21) wall, and nose ring (23) fixedly connected with hawser, hawser can stimulate extension rod (21) and drive elastic component (22) and remove and scrape the pipeline inner wall in the pipeline.
2. The rotary coating structure according to claim 1, wherein the limiting portion (20) forms a hollow annular structure, an air tap is fixedly connected to the end face of the elastic member (22), and the air tap can be used for inflating the cavity of the limiting portion (20) to enable the limiting portion (20) to expand and cling to the inner wall of the pipeline.
3. The rotary coating structure according to claim 1, wherein the extension rod (21) forms a cylindrical structure, the limiting portion (20) is annular, the extension rod (21) passes through a central hole of the limiting portion (20) to be fixedly connected with the end face of the spraying pipe (10), and the end face of the limiting portion (20) is fixedly connected with the spraying pipe (10).
4. The rotary coating structure according to claim 1, wherein the outer diameter of the limiting portion (20) is larger than the central hole size of the elastic member (22), and the diameter of the extension rod (21) is larger than the central hole size of the elastic member (22).
5. The rotary coating structure according to claim 1, wherein the scraping assembly further comprises rollers (24), the rollers (24) being symmetrically mounted on the outer circumference of the spray tube (10), the two rollers (24) being adapted to support the spray tube (10) for sliding movement on the inner wall of the pipe.
6. The rotary coating structure according to claim 1, wherein the scraping assembly further comprises a plug body (25), the plug body (25) is arranged at the other end part of the spraying pipe (10), and the plug body (25) can be sleeved on a feeding pipe connected with the spraying pipe (10) and seals a pipe port.
7. The rotary coating structure according to claim 6, wherein the plug body (25) forms a truncated cone-shaped structure, a through hole is formed in the center of the end face of the plug body (25), a cutting groove is horizontally formed in the circumferential surface of the plug body (25), the plug body (25) forms a flap-shaped structure through the cutting groove, and the plug body (25) can be broken off and clamped on the outer wall of the feeding pipe.
8. A steel pipe inner wall corrosion-resistant coating device, characterized by comprising the rotary coating structure according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322202693.XU CN220836255U (en) | 2023-08-16 | 2023-08-16 | Rotary coating structure and steel pipe inner wall anti-corrosion coating device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322202693.XU CN220836255U (en) | 2023-08-16 | 2023-08-16 | Rotary coating structure and steel pipe inner wall anti-corrosion coating device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220836255U true CN220836255U (en) | 2024-04-26 |
Family
ID=90743875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322202693.XU Active CN220836255U (en) | 2023-08-16 | 2023-08-16 | Rotary coating structure and steel pipe inner wall anti-corrosion coating device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220836255U (en) |
-
2023
- 2023-08-16 CN CN202322202693.XU patent/CN220836255U/en active Active
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| GR01 | Patent grant |