CN215465517U

CN215465517U - Anticorrosive spraying mechanism of compound steel butt welding pipe fitting of stainless steel

Info

Publication number: CN215465517U
Application number: CN202122078368.8U
Authority: CN
Inventors: 苏兴生; 张睿
Original assignee: Jiangsu Fuyuantai Pipe Industry Co ltd
Current assignee: Jiangsu Fuyuantai Pipe Industry Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-11
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses an anticorrosive spraying mechanism for a stainless steel composite steel butt-welded pipe fitting, which comprises a walking unit, a connecting unit and a terminating unit, wherein the walking unit comprises a first central block, a plurality of first connecting rods are annularly arrayed on the side wall of the first central block, the outer ends of the first connecting rods are provided with mounting frames, rollers are mounted between the mounting frames through pin shafts, the connecting unit comprises corrugated pipes with connecting columns fixedly arranged on two sides of the connecting columns and spraying units sleeved on the periphery of the connecting columns, the terminating unit comprises a second central block, the side wall of the bottom surface of the second central block is fixedly provided with a second connecting rod, and the bottom ends of the second connecting rods are connected with arc-shaped scraping plates.

Description

Anticorrosive spraying mechanism of compound steel butt welding pipe fitting of stainless steel

Technical Field

The utility model relates to the technical field of composite steel butt welding pipe fitting machining, in particular to an anticorrosive spraying mechanism for a stainless steel composite steel butt welding pipe fitting.

Background

The steel is a building material widely applied in modern building industry, and particularly, in pipeline engineering, steel pipes with large and small sizes are applied to gas, water and oil transmission lines. The composite steel pipe is a steel pipe which takes a seamless steel pipe and a welded steel pipe as base pipes and is coated with polyethylene powder coating or epoxy resin coating with high adhesive force, corrosion resistance and food-grade sanitation. In order to reduce the pressure loss of the fluid in the conveying process and improve the conveying efficiency, the inner wall of the composite steel pipe is required to be treated, the roughness of the inner wall of the steel pipe is reduced, the surface quality of the inner wall is improved, and the resistance in the conveying process is reduced. The existing pipeline spraying equipment has poor spraying effect on the inner wall of the pipe, and steel pipes with small diameters can not enter the operation, because most of the spraying equipment has too short spraying pipes and can not go deep into the steel pipes, and some spraying pipes are long and inconvenient to control, so that the spraying is not uniform, and the service life is also influenced.

Disclosure of Invention

The purpose of the utility model is as follows: the utility model aims to provide an anticorrosive spraying mechanism for a stainless steel composite steel butt welding pipe fitting, which is small, exquisite, flexible, capable of penetrating into a pipeline to realize omnibearing spraying, suitable for pipelines of different types and even for pipe bending operation, efficient and practical, and aims to overcome the defects of the prior art.

The utility model provides a compound steel butt welding pipe fitting anticorrosion spraying mechanism of stainless steel, including the walking unit, the linkage unit, the unit of ending, the walking unit includes center block one, a plurality of connecting rods one at center block one lateral wall are arrayed to the annular, connecting rod one outer end is equipped with the installing frame, install the gyro wheel through the round pin axle between the installing frame, the gyro wheel is contradicted with the pipeline inner wall and is pasted mutually, the linkage unit includes that the spliced pole sets firmly in the bellows of spliced pole both sides, and the peripheral spraying unit of spliced pole is located to the cover, the unit of ending includes center block two, two bottom surfaces lateral walls of center block have set firmly connecting rod two, even there is the striking off that the arc scraper blade is used for long-pending surplus coating in pipeline inner wall bottom connecting rod two bottoms.

As a further improvement of the utility model: the first connecting rod and the second connecting rod both adopt telescopic rod structures.

As a further improvement of the utility model: at least 3 connecting rods are arranged.

As a further improvement of the utility model: the front side wall surface of the central block is provided with a motor for driving the roller wheel to rotate.

As a further improvement of the utility model: the roller and the arc-shaped scraper are made of elastic rubber.

As a further improvement of the utility model: handles are arranged on two sides of the arc-shaped scraper, positioning columns are arranged on two side walls of the connecting rod, a pull rope is connected between the handles and the positioning columns, one end of the pull rope is tied to the other end of each handle and wound on the positioning columns, and the pull rope is retracted and unfolded to adjust the shape of the arc-shaped scraper.

As a further improvement of the utility model: the spraying unit comprises a hollow annular coating cavity, and a plurality of spray heads communicated with the annular coating cavity are arranged on the outer wall of the annular coating cavity and used for spraying the coating.

As a further improvement of the utility model: the shower nozzle sets up along annular coating chamber outer wall spiral, and annular coating chamber outer wall has seted up the feed inlet.

As a further improvement of the utility model: and a camera is arranged on the rear side wall surface of the second central block and is used for observing the spraying state of the inner wall of the pipe.

Has the advantages that:

1. the pipe fitting anticorrosion spraying mechanism is small, exquisite, flexible, capable of penetrating into the interior of a pipeline, capable of realizing all-dimensional spraying, capable of adapting to pipelines of different types and even capable of bending pipes, efficient and practical.

2. During the use, with the device whole arrange the pipeline in, adjust connecting rod one, connecting rod two flexible to suitable length (touch with the pipeline inner wall mutually), then starter motor, drive roller rotates, and towards the walking of depths in the pipeline, at this in-process, spraying mechanism carries out coating through the shower nozzle and sprays, carries out the coating effect to pipeline inside, and the drive along with the walking unit is deep, accomplishes the inside spraying operation of whole pipeline step by step.

3. The connecting unit is used as a carrier of the spraying unit, the corrugated pipe is mainly used as a connecting bridge, the flexible spraying device has excellent flexible deformation, can adapt to the trend of pipelines, is suitable for spraying bent pipes at different angles, and is simple and convenient.

4. The ending unit sets up the arc scraper blade, can strike off the spraying in-process, and excessive or because of gravity sagging's coating, avoid the bottom to pile up, further still be equipped with the camera, can carry out real-time picture feedback to the inside pipe wall after the spraying, effectively supervise the spraying quality, and is high-efficient nimble.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a spray unit of the present invention;

in the figure: the device comprises a walking unit 1, a connecting unit 2, a finishing unit 3, a center block I4, a connecting rod I5, an installing frame 6, a roller 7, a connecting column 8, a corrugated pipe 9, a spraying unit 10, a center block II 11, a connecting rod II 12, an arc-shaped scraper 13, a handle 14, a positioning column 15, an annular coating cavity 16, a spray head 17 and a feed inlet 18.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

The utility model provides a compound steel of stainless steel is anticorrosive spraying mechanism of butt welding pipe fitting, as shown in fig. 1, 2, including walking unit 1, linkage unit 2, ending unit 3, walking unit 1 includes center block 4, a plurality of connecting rods 5 (at least be equipped with 3, 4 in the picture) of annular array at center block 4 lateral walls, 5 outer ends of connecting rod are equipped with installing frame 6, install gyro wheel 7 through the round pin axle between installing frame 6, gyro wheel 7 is contradicted with the pipeline inner wall and is pasted mutually, driving roller pivoted motor 14 is installed to the lateral wall face before center block 4, rotate by motor drive gyro wheel, thereby realize the walking and remove.

The connecting unit 2 comprises a connecting column 8 and corrugated pipes 9 fixedly arranged on two sides of the connecting column 8, and a spraying unit 10 sleeved on the periphery of the connecting column 8, wherein the spraying unit 10 comprises a hollow annular coating cavity 16, the outer wall of the annular coating cavity 16 is provided with a plurality of spray heads 17 communicated with the annular coating cavity 16 for spraying coating, the spray heads 17 are spirally arranged along the outer wall of the annular coating cavity 16, the outer wall of the annular coating cavity 16 is provided with a feed inlet 18 for filling the coating into the inner cavity of the annular coating cavity, and a sealing cover is installed on the feed inlet in a matching manner.

Or, the annular coating chamber is the whole ring structure of non-closed loop, reserves and establishes an opening to set up the flange or cup joint the clamp and accomplish fixedly in opening side, during the use, have opening side plug bush with the annular coating chamber on the spliced pole, it can to carry out clamp hoop or flange seal fixed. In the structure, the spraying unit is a detachable assembly structure and can be replaced according to the requirement.

The ending unit 3 comprises a second central block 11, a second connecting rod 12 is fixedly arranged on the side wall of the bottom surface of the second central block 11, and the bottom end of the second connecting rod 12 is connected with an arc-shaped scraper 13 for scraping off residual coating at the bottom of the inner wall of the pipeline.

Wherein, connecting rod one 5, connecting rod two 12 all adopt telescopic link structure, specifically can purchase the installation of current electric telescopic handle and use, guarantee scalable regulation and control can, in the application, can make gyro wheel and scraper blade and inside pipe wall adaptation touch through the flexible of telescopic link to satisfy the pipeline use of different internal diameter specifications.

The roller 7 and the arc-shaped scraper 13 are both made of elastic rubber materials, so that the collision damage during relative movement can be reduced. In addition, handles 14 are arranged on two sides of the arc-shaped scraper 13, positioning columns 15 are arranged on the side walls of the two connecting rods 12, a pull rope (not shown in the figure) is connected between the handles 14 and the positioning columns 15, one end of the pull rope is tied to the handle 14, the other end of the pull rope is wound on the positioning column 15, and the pull rope is retracted and used for adjusting the shape of the arc-shaped scraper 13. Because the arc scraper blade is flexible rubber material, during the use, the receiving and releasing of accessible stay cord makes it deformation, like the picture, the stay cord tightens up the shortening, makes the increase of arc scraper blade camber, is suitable for the laminating of the pipeline inner wall that the internal diameter is little, otherwise then is suitable for the pipeline processing that the pipe diameter is bigger slightly.

Further, a camera is installed on the rear side wall surface of the second central block 12 and used for observing the spraying state of the inner wall of the pipe, the camera is not shown in the figure, specifically, the camera can feed back a shot picture in real time through a wired or wireless electric connection controller and a display screen, in the using process, the spraying unit carries out spraying treatment in front of the spraying unit in one step, and then the camera monitors the spraying state.

The pipe fitting anticorrosion spraying mechanism is small, exquisite, flexible, capable of penetrating into the interior of a pipeline, capable of realizing all-dimensional spraying, capable of adapting to pipelines of different types and even capable of bending pipes, efficient and practical.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. 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.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a compound steel butt welding pipe fitting of stainless steel anticorrosion spraying mechanism which characterized in that: including the walking unit, the linkage unit, the unit of ending, the walking unit includes center block one, a plurality of connecting rods one at center block one lateral wall are listed as to annular array, a connecting rod outer end is equipped with the installing frame, install the gyro wheel through the round pin axle between the installing frame, the gyro wheel is contradicted mutually with the pipeline inner wall, the linkage unit includes that the spliced pole sets firmly in the bellows of spliced pole both sides, and the peripheral spraying unit of spliced pole is located to the cover, the unit of ending includes center block two, two bottom surfaces lateral walls of center block have set firmly connecting rod two, even there is the striking off that the arc scraper blade is used for long-pending surplus coating in pipeline inner wall bottom in two bottoms of connecting rod.

2. The anti-corrosion spraying mechanism for the butt-welded stainless steel pipe fitting according to claim 1, characterized in that: the first connecting rod and the second connecting rod both adopt telescopic rod structures.

3. The anti-corrosion spraying mechanism for the butt-welded stainless steel pipe fitting according to claim 1, characterized in that: the first connecting rod is at least provided with 3 connecting rods.

4. The anti-corrosion spraying mechanism for the butt-welded stainless steel pipe fitting according to claim 1, characterized in that: and a motor for driving the roller to rotate is arranged on the front side wall surface of the first central block.

5. The anti-corrosion spraying mechanism for the butt-welded stainless steel pipe fitting according to claim 1, characterized in that: the roller and the arc-shaped scraper are made of elastic rubber.

6. The anti-corrosion spraying mechanism for the butt-welded stainless steel pipe fitting according to claim 5, characterized in that: handles are arranged on two sides of the arc-shaped scraper, positioning columns are arranged on two side walls of the connecting rod, a pull rope is connected between each handle and each positioning column, one end of each pull rope is tied to the other end of each handle and wound on the corresponding positioning column, and the pull ropes are retracted and used for adjusting the shape of the arc-shaped scraper.

7. The anti-corrosion spraying mechanism for the butt-welded stainless steel pipe fitting according to claim 1, characterized in that: the spraying unit comprises a hollow annular coating cavity, and a plurality of spray heads communicated with the annular coating cavity are arranged on the outer wall of the annular coating cavity and used for spraying the coating.

8. The anti-corrosion spraying mechanism for the butt-welded stainless steel pipe fitting according to claim 7, characterized in that: the spray head is spirally arranged along the outer wall of the annular coating cavity, and the outer wall of the annular coating cavity is provided with a feed inlet.

9. The anti-corrosion spraying mechanism for the butt-welded stainless steel pipe fitting according to claim 1, characterized in that: and a camera is arranged on the rear side wall surface of the second central block and is used for observing the spraying state of the inner wall of the pipe.