CN214975160U

CN214975160U - Spraying machine tool for interior of pipeline

Info

Publication number: CN214975160U
Application number: CN202121391203.XU
Authority: CN
Inventors: 鲁世超; 于海涛; 魏银涛; 肖峰; 闫知强
Original assignee: Qinhuangdao Xinglong Construction Engineering Co ltd
Current assignee: Qinhuangdao Xinglong Construction Engineering Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-03
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of pipeline internal corrosion prevention, in particular to a pipeline internal spraying machine, which is provided for the independent research of the short-distance and discontinuous anticorrosion operation in the small-caliber steel pipe in the municipal engineering, has convenient installation and accurate positioning and comprises a spraying machine, a linear framework, a circular framework and a spray head, wherein sharp skeleton horizontal direction runs through the center of ring skeleton and with ring skeleton fixed connection, the one end fixed mounting shower nozzle of sharp skeleton, the crank is connected to the other end, the flush coater passes through the conveying pipeline with coating and carries to the shower nozzle, the length of sharp skeleton and ring skeleton, anticorrosive pipeline specification adaptation design size in the internal diameter as required, the one end that has the shower nozzle with sharp skeleton stretches into anticorrosive pipeline inside welding seam department, the ring skeleton plays firm supporting role to sharp skeleton, through rotatory crank, realize the rotatory spraying of welding seam department.

Description

Spraying machine tool for interior of pipeline

Technical Field

The utility model relates to an anticorrosive technical field especially relates to a pipeline inside spraying machines in pipeline.

Background

To anticorrosive construction in the small-diameter pipe, traditional operation mode is for adopting the extension brush to carry out manual coating with a brush in the municipal works, and the mechanization degree is low and because personnel can't get into, causes and can't detect the quality after applying with a brush, can only rely on workman's experience to control, has the quality hidden danger. The construction progress of manual painting is also slower, and the construction period can be restricted if large projects with more welded junctions of pipelines are met.

The corrosion prevention in the pipeline is generally carried out by professional spraying by pipeline manufacturers, but the corrosion prevention in the welding line needs to be constructed on site, and the construction is carried out after a nondestructive inspection (X-ray) test of the welding line is qualified after each welding line is finished, so that the cross operation with the pipeline installation is needed during the corrosion prevention construction in the welding line, and the method has the characteristic of being incapable of continuous construction. Because no professional anti-corrosion spraying equipment is arranged on a construction site, the corrosion prevention in the welding line of the pipeline is a weak construction link, particularly a water supply pipeline, and if the welding line of the pipeline is corroded, the durability of the pipeline is influenced, and the quality of drinking water of people is directly influenced.

At present, professional remote control robots for carrying out anticorrosion spraying construction technology in pipelines for small pipe diameters of oil and gas pipelines in China have been used in major fields, but the professional field is too strong, the cost is high, and the method is not suitable for anticorrosion operation in short-distance and discontinuous small-pipe-diameter steel pipes in municipal engineering.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a novel, simple to operate, the accurate inside spraying machines of pipeline in location are applicable to short distance and the interior anticorrosive operation of discontinuous tubule footpath steel pipe in the municipal works.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model discloses an inside spraying machines of pipeline, including flush coater, sharp skeleton, ring skeleton and shower nozzle, wherein sharp skeleton horizontal direction run through the center of ring skeleton and with ring skeleton fixed connection, the one end fixed mounting shower nozzle of sharp skeleton, the crank is connected to the other end, the flush coater is carried coating to the shower nozzle through the conveying pipeline.

Further, the number of the ring skeletons is at least 2.

Further, the annular periphery of ring skeleton is provided with the truckle.

Furthermore, a camera is installed on one side, located on the spray head, of the linear framework.

Further, the camera has a night vision function.

Further, a protective cover is installed on the outer side of the camera.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an inside spraying machines of pipeline, to short distance and discontinuous intraductal anticorrosive work of tubule footpath steel pipe independently research and propose in the municipal works, the length of sharp skeleton and ring skeleton, anticorrosive pipeline specification adaptation design size in the internal diameter as required, the one end that has the shower nozzle with sharp skeleton stretches into the inside welding seam department of anticorrosive pipeline, the ring skeleton plays firm supporting role to sharp skeleton, through rotatory crank, realizes the rotatory spraying of welding seam department, wholly has following advance:

1. the operability is strong: the spraying machine is simple in equipment, the trundles are in good contact with the inner wall of the pipeline, the positioning is accurate, the mounting and dismounting are convenient, the spraying machine can be used for internal anticorrosion construction of different inner diameters, different lengths and different external environments, and the adaptability is strong;

2. the corrosion resistance quality is better: the rotary spraying process is convenient to operate, has good effects on controlling the uniformity and thickness of the anticorrosive coating, and ensures the effect of leveling and no flowing of the anticorrosive coating;

3. the construction progress is faster: compared with the traditional manual painting process, the process is doubled; the adaptability to complex working environments is higher, the construction is more convenient and faster, and the degree of mechanization is higher;

4. and (3) material saving: the anticorrosive paint is saved, the traditional brush coating method causes the phenomenon of the flow and waste of the anticorrosive paint in the process of entering and exiting the pipeline, and the rotary spraying method starts spraying after the spray head reaches the designated position, so that the waste phenomenon is completely avoided;

5. the safety is higher: the potential safety hazards of suffocation, poisoning and the like of personnel caused by the fact that the personnel drill into the pipeline and brush the interior of the pipeline are avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partially enlarged view of the portion A in FIG. 1;

FIG. 3 is a schematic sectional view taken along line B-B in FIG. 1;

fig. 4 is a schematic structural view of the head portion.

Reference numerals: 1-a spraying machine; 2-a crank; 3-a caster wheel; 4-a material conveying pipe; 5-a linear skeleton; 6-a circular framework; 61-a circular ring portion; 62-a support skeleton; 7-a spray head; 8-a camera; 9-a protective cover; 10-corrosion-resistant pipeline.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 and 3, the utility model discloses an inside spraying machines of pipeline, straight line skeleton 5 is the galvanized steel pipe of 6 meters long, ring skeleton 6 comprises ring part 61 and the support skeleton 62 of inside fixed connection, ring part 61 adopts the thin iron sheet to make the shaping, support skeleton 62 adopts the reinforcing bar that the diameter is 10mm to make, straight line skeleton 5 horizontal direction runs through the center of ring skeleton 6 and with ring skeleton 6 fixed connection, the length of straight line skeleton 5 and ring skeleton 6, the internal diameter specification can be according to the different internal diameters of the anticorrosive pipeline of actual need internal corrosion, different length, the internal corrosion construction requirement of different external environment specifically selects; one end of the linear framework 5 is fixedly provided with a spray head 7, the other end of the linear framework is connected with a crank 2, the coating machine 1 conveys the coating to the spray head 7 through a conveying pipe 4, and preferably, the coating machine 1 adopts a self-suction high-pressure coating machine which is purchased professional equipment.

The utility model discloses an inside spraying machines of pipeline, anticorrosive operation is independently researched and proposed in short distance and the discrete tubule footpath steel pipe to municipal works, straight line skeleton 5 and ring skeleton 6's length, anticorrosive pipeline specification adaptation design size in the internal diameter as required, the one end that has shower nozzle 7 with straight line skeleton 5 stretches into anticorrosive pipeline 10 inside welding seam department, as shown in fig. 2, ring skeleton 6 plays firm supporting role to straight line skeleton 5, through rotatory crank 2, realize the rotatory spraying of welding seam department, the simple operation, at control anticorrosive coating homogeneity, respond well in the aspect of thickness, through using this kind of construction method, can avoid the artifical hourglass brush in applying paint anticorrosive construction with a brush, it is inhomogeneous, the phenomenon of trickling.

The utility model discloses a spraying machines simple structure, flush coater,

sharp skeleton

5 and 6 nimble combinations of ring skeleton for pipeline spraying construction operation is more convenient, simple, and anticorrosive construction quality also can promote, and different engineering pipelines only need change sharp skeleton 5 and ring skeleton 6, and the flush coater can have enough to meet the need the use, easily promotes and the cost is not high.

Preferably, at least 2 circular ring frameworks 6 are arranged, and the supporting effect of the plurality of circular ring frameworks on the linear framework 5 is more stable; the annular periphery of ring skeleton 6 can be provided with truckle 3, and truckle 3 is supplementary to be followed crank 2 and is rotated to make sharp skeleton 5 drive shower nozzle 7 and carry out 360 rotations, and realize at the uniform velocity rotation process, help controlling spraying time, spraying quantity, guarantee spraying thickness.

As shown in fig. 1 and 4, a camera 8 is mounted on one side of the linear skeleton 5, which is located at the nozzle 7, and is used for inspecting the effect before and after spraying, and further, the camera 8 has a night vision function, so that the spraying machine is suitable for various environments; the protection casing 9 is installed in the outside of camera 8, plays the guard action to the camera, increase of service life.

The utility model discloses inside spraying machines of pipeline's use flow example as follows: manufacturing linear frameworks 5 by adopting two galvanized steel pipes with the length of 6 meters, wherein one linear framework 5 is connected with three circular frameworks 6 made of circular rings with the diameter of 460mm, the other linear framework 5 is connected with two circular frameworks 6 made of circular rings with the diameter of 590mm, and the linear frameworks are used for constructing welding seam spraying at different distances, fixing a camera 8, firstly placing a spray head 7 at the position of a welding seam on the outer side of a pipeline, marking the distance from the spray head 7 to a pipe orifice on the linear framework 5, adopting a test plate with the length of 30cm 15cm, and enabling the distance D between the test plate and the spray head 7 to be the radius of an anti-corrosion pipeline 10; starting a spraying machine 1 to spray a test plate, recording spraying time and the amount of the coating after the thickness of a sprayed layer reaches 0.4mm, and further determining the spraying rotation rate and the amount of the coating for preventing corrosion in a welding seam; the surface of the trial spraying should be smooth and free of flowing; blending the anticorrosive paint, calculating the dosage according to the trial spraying, reasonably blending the dosage of the one-pass welding seam spraying paint, blending according to the actual dosage, not blending more at one time, finding that the paint material begins to become thick and gel in the using process, and then not reusing, or not diluting and reusing, and needing to re-blend a new material; extending the spray head 7 into the pipeline according to the marked position, and carrying out rotary spraying, wherein the rotation is at a constant speed; controlling the spraying time and the spraying amount according to the summary data of the test spraying, ensuring the spraying thickness, and cleaning the spraying pipeline and the nozzle by using thinner in time after the spraying is finished, so as to avoid the blockage caused by the coagulation of the coating; the camera 8 checks whether the inner side of the welding seam has oxidation corrosion or not before spraying, and if so, a sand blasting gun is needed for rust removal; the camera 8 detects whether a spray leakage area exists after spraying, if so, spray is supplemented, and the surface after spraying is smooth and free of flowing.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an inside spraying machines of pipeline, its characterized in that, including flush coater (1), sharp skeleton (5), ring skeleton (6) and shower nozzle (7), wherein sharp skeleton (5) horizontal direction run through the center of ring skeleton (6) and with ring skeleton (6) fixed connection, one end fixed mounting shower nozzle (7) of sharp skeleton (5), crank (2) are connected to the other end, flush coater (1) is carried coating to shower nozzle (7) through conveying pipeline (4).

2. A pipe internal spraying apparatus as claimed in claim 1, wherein the circular skeleton (6) is provided in at least 2 pieces.

3. A pipe internal spraying apparatus as claimed in claim 2, wherein the annular periphery of the circular skeleton (6) is provided with casters (3).

4. A pipe internal spraying machine as claimed in claim 3, characterized in that a camera (8) is mounted on the linear frame (5) on the side of the spray head (7).

5. The pipe internal spraying apparatus of claim 4, characterized in that the camera (8) has a night vision function.

6. A pipe internal spraying machine as claimed in claim 5, characterized in that a protective cover (9) is mounted on the outside of the camera (8).