A device and method for improving the efficiency of anticorrosion construction of the outer wall of a pipeline

Abstract

The application provides a device and a construction method for improving the construction efficiency of the anticorrosion of the outer wall of a pipeline, which comprises a chassis, a bearing installed on the chassis for supporting the pipeline, a brushing mechanism installed on the chassis for brushing anticorrosive paint on the pipeline, and a scraping mechanism installed on the chassis for scraping the excess paint on the outer wall of the pipeline. The application can complete the anticorrosion of the outer wall of the pipeline by only rotating the handle by one person, and the coating thickness can be effectively controlled and the production efficiency can be improved, the labor and material costs can be reduced, and the construction efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of pipeline outer wall corrosion prevention, and particularly relates to a device for improving pipeline outer wall corrosion prevention construction efficiency and a construction method. BACKGROUND

[0002] Pipeline transportation has outstanding advantages compared with other transportation modes, but the pipeline outer wall is prone to chemical reaction with external substances to cause corrosion, which has a great influence on the safe operation of pipeline transportation; pipeline outer wall corrosion prevention is to resist the chemical reaction of external substances with the pipeline itself to effectively prevent and slow down corrosion and prolong the service life of the steel pipe.

[0003] The pipeline outer wall corrosion prevention process is usually performed by manually and mechanically lifting the pipeline off the ground and placing it, and a plurality of workers rotate 360 degrees, and other workers hold small roller brushes to paint the pipeline outer wall with anticorrosive paint. Such a construction method not only causes serious waste of anticorrosive paint and poor forming surface, but also has high labor and material costs and low production efficiency, which greatly reduces the construction efficiency. SUMMARY

[0004] The present application aims at the deficiencies of the prior art, and provides a device for improving pipeline outer wall corrosion prevention construction efficiency and a construction method. After simple manufacturing and installation of the device, only one person needs to rotate the handle to complete the pipeline outer wall corrosion prevention, the coating thickness can be effectively controlled, the production efficiency is improved, the labor and material costs are reduced, the construction progress is accelerated, and the equipment after construction can be disassembled and recycled for multiple uses.

[0005] The specific technical solutions are as follows:

[0006] A device for improving pipeline outer wall corrosion prevention construction efficiency, comprising a base frame, a bearing installed on the base frame for supporting a pipeline, a painting mechanism installed on the base frame for painting anticorrosive paint on the pipeline, and a scraping mechanism installed on the base frame for scraping excess paint on the outer wall of the pipeline.

[0007] Optionally, the base frame comprises a bottom plate, a connecting plate and a support plate, the connecting plate is arranged between the two bottom plates, one end of the support plate is rotatably connected to the bottom plate, and a jacking mechanism is arranged between the support plate and the bottom plate, one end of the jacking mechanism is hinged to the support plate, and the other end of the jacking mechanism is hinged to the bottom plate.

[0008] Optionally, the connecting plate is telescopically arranged.

[0009] Optionally, the brushing mechanism comprises a roller shaft, a paint roller and a roller brush, both ends of the roller shaft are adjustably arranged on the support plate, the paint roller is rotationally connected to the roller shaft, and the roller brush is sleeved outside the paint roller.

[0010] Optionally, a receiving groove for receiving the anticorrosive paint is arranged below the paint roller, and a butterfly valve is arranged at the bottom of the receiving groove.

[0011] Optionally, a rubber hose and a micro booster pump are arranged between the receiving groove and the paint roller, the micro booster pump is connected to the receiving groove through an inlet pipe, an outlet pipe of the micro booster pump is connected to one end of the rubber hose, and the other end of the rubber hose is connected to the inside of the paint roller.

[0012] Optionally, the scraping mechanism comprises a blade, an adjusting rod and an adjusting knob, the adjusting rod is screwed through the support plate, the adjusting knob is threadedly connected to the adjusting rod, and the adjusting knob is flush with the surface of the support plate, and the blade is fixedly installed on the adjusting rod.

[0013] Optionally, a shaking handle is connected to the pipeline.

[0014] A construction method for improving the anticorrosion construction efficiency of the outer wall of a pipeline comprises the following steps:

[0015] S1: Before construction, the diameter and length of the pipeline involved in the construction site are understood, the device is assembled, the device is adjusted to be suitable for the pipeline and is debugged, whether the rotation of the bearing and the paint roller is smooth and whether the jacking mechanism is in a locked state are noted, and then workers are trained and briefed.

[0016] S2: During construction, after the pipeline is hoisted to the device by the crane, the distance between the blade and the paint roller and the outer wall of the pipeline is adjusted to meet the coating requirements in the drawing, the micro booster pump is started, the anticorrosive paint in the receiving groove fills the paint roller through the rubber hose, and the roller brush is soaked with anticorrosive paint.

[0017] S3: The pipeline is rotated by rotating the shaking handle, the anticorrosive paint is coated on the outer wall of the pipeline by friction between the pipeline and the roller brush during the rotation of the pipeline, and the blade scrapes off the excess paint on the pipeline; at the same time, the receiving groove collects the anticorrosive paint scraped off by the blade and dripped from the roller brush.

[0018] S4: after the coating of the outer wall of the pipeline is completed, the roller shaft is lowered, the adjusting knob is loosened to increase the distance between the blade and the pipeline, one end of the glass fiber cloth is wound around one end of the pipeline, the glass fiber cloth is coated and fixed by a small roller brush dipped in anticorrosive paint, the winding process is completed by rotating the rocking handle again, and the glass fiber cloth must be flat, tight, without wrinkles and bubbles during the winding process;

[0019] S5: after the first layer of anticorrosive paint on the outer wall of the pipeline and the wound glass fiber cloth are completely dry, steps S2-S3 are repeated to coat the second layer of anticorrosive paint;

[0020] S6: after the anticorrosion of the outer wall of the pipeline is completed, the non-valve end of the receiving groove is raised, and the valve is opened to complete the recovery of the remaining anticorrosive paint;

[0021] S7: after use, the bearing and the jacking mechanism are checked, and the correct disassembly steps are disassembled and standardized for turnover use.

[0022] Compared with the prior art, the beneficial effects of the present application are:

[0023] 1. The present application adopts common market materials for assembly, adjusts the distance between the bearings on the same side through the jacking assembly to adapt to pipelines of different diameters, and adjusts the connecting plate on the chassis to adapt to steel pipes of different lengths, so that the pipeline and the rocking handle become one through the bayonet on the rocking handle, the pipeline is rotated by operating the rocking handle; compared with the traditional manual pipeline outer wall anticorrosion, the method solves the problems of high labor cost, low construction efficiency and difficult construction progress;

[0024] 2. The equipment is made according to the pipeline length and diameter required by the drawing, and the installation and disassembly are very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the pipeline outer wall anticorrosion construction device in the embodiment of the present application;

[0026] Figure 2 It is a front view structural schematic diagram of the chassis, bearing and coating mechanism in the embodiment of the present application;

[0027] Figure 3 It is a structural schematic diagram for showing the positional relationship between the roller shaft and the supporting plate in the embodiment of the present application;

[0028] Figure 4 It is a side view structural schematic diagram of the chassis, bearing and coating mechanism in the embodiment of the present application;

[0029] Figure 5 It is a front view structural schematic diagram of the scraping mechanism in the embodiment of the present application;

[0030] Figure 6 The whole structure diagram of the glass fiber cloth and the small roller brush in the embodiment of the application.

[0031] In the drawings: 1, the chassis; 11, the bottom plate; 12, the connecting plate; 121, the first rectangular steel pipe; 122, the second rectangular steel pipe; 13, the support plate; 130, the adjusting hole; 14, the jacking mechanism; 2, the bearing; 3, the brushing mechanism; 31, the roller shaft; 311, the bolt hole; 312, the bolt; 32, the paint roller; 33, the roller brush; 4, the scraping mechanism; 41, the blade; 42, the adjusting rod; 43, the adjusting knob; 5, the receiving groove; 51, the butterfly valve; 52, the rubber hose; 43, the miniature booster pump; 6, the pipeline; 61, the shaking handle; 7, the glass fiber cloth; 8, the small roller brush. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0033] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict.

[0034] The application will be further described below with reference to the drawings and specific embodiments, but is not limited to the application.

[0035] The device for improving the anticorrosion construction efficiency of the outer wall of the pipeline in the application comprises the chassis 1, the bearing 2, the brushing mechanism 3, and the scraping mechanism 4. The bearing 2 is installed on the chassis 1. The brushing mechanism 3 and the scraping mechanism 4 are also installed on the chassis 1. Figure 1 and Figure 2 In the embodiment, the bearing 2 is provided with four bearings. The pipeline 6 is placed between the four bearings 2 by the crane. The brushing mechanism 3 and the scraping mechanism 4 are also installed on the chassis 1. The pipeline 6 placed on the bearing 2 can rotate together with the bearing 2. The brushing mechanism 3 close to the outer wall of the pipeline 6 brushes the anticorrosive paint on the outer wall of the pipeline 6. The scraping mechanism 4 on the other side of the pipeline 6 can scrape the excess anticorrosive paint on the outer wall of the pipeline 6. In this way, the pipeline 6 can be conveniently brushed with anticorrosive paint, the coating thickness can be controlled, the brushing quality and the brushing efficiency of the outer wall of the pipeline 6 can be improved, and the labor cost and the material cost can be reduced.

[0036] Specifically, referring to Figure 2 and Figure 3The chassis 1 in the application comprises a bottom plate 11, a connecting plate 12 and a support plate 13, which can be made of steel pipes or angle steels, in the embodiment, the connecting plate 12 is arranged between the two bottom plates 11, one end of the support plate 13 is rotatably connected to the bottom plate 11, and a jacking mechanism 14 (which can be made of a telescopic part such as a hydraulic cylinder or an air cylinder) is arranged between the support plate 13 and the bottom plate 11, one end of the jacking mechanism 14 is hinged to the support plate 13, the other end of the jacking mechanism 14 is hinged to the bottom plate 11, and the bearing 2 is installed at the end of the support plate 13 away from the bottom plate 11, the distance between the two corresponding bearings 2 is adjusted by controlling the extension of the jacking mechanism 14 to adapt to the requirements of the pipes 6 of different diameters.

[0037] In the embodiment, referring to Figure 1 and Figure 2 , the connecting plate 12 is composed of a first rectangular steel pipe 121 (120mm*60mm*5mm) and a second rectangular steel pipe 122 (100mm*50mm*5mm), the first rectangular steel pipe 121 is sleeved outside the second rectangular steel pipe 122, and a plurality of bolt holes are formed in the first rectangular steel pipe 121 and the second rectangular steel pipe 122, when the pipes 6 of different lengths need to be painted with anticorrosive paint, the length of the second rectangular steel pipe 122 in the first rectangular steel pipe 121 can be adjusted, then the connecting bolts are inserted into the bolt holes in the first rectangular steel pipe 121 and the second rectangular steel pipe 122, and then the connecting nuts are locked, so that the pipes 6 of different lengths can be painted with anticorrosive paint.

[0038] Specifically, referring to Figures 2-4The brushing mechanism 3 in the application comprises a roller shaft 31, a paint roller 32 and a roller brush 33, the support plate 13 is provided with an adjusting hole 130 which is consistent with the length direction of the support plate 13, the roller shaft 31 passes through the corresponding adjusting hole 130 at both ends, and the support plate 13 is also provided with a bolt hole 311 which is perpendicular to the length direction of the adjusting hole 130 and is communicated with the adjusting hole 130, a bolt 312 is inserted into the bolt hole 311, and the roller shaft 31 is also provided with a fixing hole through which the bolt 312 passes; the paint roller 32 is rotationally connected to the roller shaft 31, the outer side of the paint roller 32 is provided with a discharge hole, the roller brush 33 is sleeved on the outer side of the paint roller 32, and the roller brush 33 is a special paint roller brush matched with the paint roller 32; before the pipeline 6 is brushed with anticorrosive paint, the both ends of the roller shaft 31 are moved to the uppermost end of the adjusting hole 130 along the length direction of the adjusting hole 130, then the bolt 312 passes through the bolt hole 311 and the fixing hole to fix the roller shaft 31, so that the roller brush 33 can tightly adhere to the outer wall of the pipeline 6 to be painted, and the position of the paint roller 32 is adjusted; after the work is completed, the bolt 312 can be directly pulled out, and the roller shaft 31 is moved to the lowermost end of the adjusting hole 130 along the adjusting hole 130.

[0039] Referring to Figure 1 , the lower side of the paint roller 32 is provided with a receiving groove 5 which can place anticorrosive paint and receive the anticorrosive paint dropped from the roller brush 33, the receiving groove 5 is provided in a U shape, and the bottom of the receiving groove 5 is further provided with a butterfly valve 51, when the anticorrosive paint is collected and recycled, the butterfly valve 51 at the bottom of the receiving groove 5 can be opened for recycling.

[0040] In addition, referring to Figure 1 , the receiving groove 5 and the paint roller 32 are further provided with a rubber hose 52 and a micro booster pump 43, the inlet pipe of the micro booster pump 43 is communicated with the receiving groove 5, the outlet of the micro booster pump 43 is communicated with one end of the rubber hose 52, the other end of the rubber hose 52 is communicated with the inside of the paint roller 32, and the micro booster pump 43 is started, so that the anticorrosive paint in the receiving groove 5 fills the paint roller 32 through the rubber hose 52, and the roller brush 33 is fully immersed in the anticorrosive paint, which facilitates brushing the pipeline 6 with anticorrosive paint, reduces the labor cost and material cost, and saves resources.

[0041] In order to control the anticorrosive layer on the outer wall of the pipeline 6 to be at an appropriate thickness, referring to Figure 5In the embodiment, the scraping mechanism 4 comprises a blade 41, an adjusting rod 42 and an adjusting knob 43, the adjusting rod 42 is screwed through the support plate 13, the adjusting knob 43 is screwed with the adjusting rod 42, rotating the adjusting knob 43 makes the adjusting knob 43 adhere to the surface of the support plate 13, the blade 41 is installed on the adjusting rod 42, when the distance between the blade 41 and the pipeline 6 needs to be adjusted, the adjusting knob 43 is loosened, the position of the adjusting rod 42 is adjusted, and then the position of the blade 41 is adjusted, after the end of the blade 41 is determined to be in the appropriate position, the adjusting knob 43 is tightened.

[0042] The pipeline 6 is clamped with a shaking handle 61, the shaking handle 61 is provided with a card hole consistent with the thickness of the outer side of the pipeline 6 near one end of the pipeline 6, the shaking handle 61 is clamped with the pipeline 6, and rotating the shaking handle 61 can make the pipeline 6 rotate with the shaking handle 61, thereby reducing the labor cost.

[0043] The construction method for improving the pipeline 6 outer wall corrosion prevention construction efficiency in the application comprises the following steps:

[0044] S1: before construction, the diameter and length of the pipeline 6 involved in the construction site are understood, the device is assembled, and the device is adjusted to the corresponding length and debugged, whether the rotation of the bearing 2 and the coating roller 32 is smooth and whether the jacking mechanism 14 is in the locked state are paid attention to, then the workers are trained and briefed;

[0045] S2: during construction, after the crane hoists the pipeline 6 to the device, the distance between the blade 41 and the coating roller 32 and the outer wall of the pipeline 6 is adjusted to meet the coating requirements in the drawing, the miniature booster pump 43 is started, the corrosion prevention coating in the receiving groove 5 is filled into the coating roller 32 through the rubber hose 52, and the roller brush 33 is immersed in the corrosion prevention coating;

[0046] S3: the pipeline 6 is rotated by rotating the shaking handle 61, the corrosion prevention coating is coated on the outer wall of the pipeline 6 by friction between the pipeline 6 and the roller brush 33 during the rotation of the pipeline 6, and the blade 41 scrapes the excess coating on the pipeline 6; at the same time, the receiving groove 5 collects the corrosion prevention coating scraped off by the blade 41 and dripped from the roller brush 33;

[0047] S4: after the coating on the outer wall of the pipeline 6 is brushed, the roller shaft 31 is slid downward, the adjusting knob 43 is loosened to increase the distance between the blade 41 and the pipeline 6, and Figure 6 One end of the glass fiber cloth 7 is wound around one end of the pipeline 6, the glass fiber cloth 7 is coated and fixed by the small roller brush 8 dipped in the corrosion prevention coating, the shaking handle 61 is rotated again to complete the winding of the glass fiber cloth 7, and the glass fiber cloth 7 must be flat, tight, without wrinkles and bubbles during winding;

[0048] S5: after the first layer of corrosion-resistant paint on the outer wall of the pipeline 6 and the glass silk cloth wrapped completely dry, repeat S2-S3 on the pipeline 6 outer wall for the second layer of corrosion-resistant paint painting;

[0049] S6: after the pipeline 6 outer wall corrosion is completed, the receiving groove 5 non butterfly valve 51 end pad high, and open butterfly valve 51, complete the remaining corrosion-resistant paint recycling;

[0050] S7: use, check the bearing 2 and jacking mechanism 14, according to the correct disassembly steps disassembly rules, in order to turn over use.

[0051] The above only for the preferred embodiments of the present application, not therefore limit the embodiments and scope of protection of the present application, for those skilled in the art, should be able to realize that the application of the present application specification and drawing content made of equivalent replacement and obvious changes, the resulting scheme, should be included within the scope of the present application.

Claims

1. A device for improving the efficiency of anticorrosive construction of the outer wall of a pipeline, characterized in that, The utility model provides a pipeline anticorrosive coating device, including the chassis, the bearing for supporting pipeline installed on the chassis, the brushing mechanism for being located on the chassis and being used for brushing anticorrosive coating to the pipeline and the scraping mechanism for being located on the chassis and being used for scraping the extra coating on the outer wall of the pipeline, the chassis includes the bottom plate, the connecting plate and the support plate, the connecting plate is arranged between two bottom plates, one end of the support plate is rotatably connected on the bottom plate, and the lifting mechanism is arranged between the support plate and the bottom plate, one end of the lifting mechanism is hinged with the support plate, the other end of the lifting mechanism is hinged with the bottom plate, and the bearing is installed on the end of the support plate away from the bottom plate, the brushing mechanism includes the cylinder shaft, the coating cylinder and the cylinder brush, the both ends of the cylinder shaft are adjustably arranged on the support plate, the coating cylinder is rotatably connected on the cylinder shaft, and the cylinder brush is sleeved outside the coating cylinder.

2. The device for improving the construction efficiency of the external wall of the pipeline anticorrosion according to claim 1, characterized in that, The connecting plate is telescopic.

3. The device for improving the construction efficiency of the external wall of the pipeline anticorrosion according to claim 1, characterized in that, The bottom of the coating cylinder is provided with a receiving groove for receiving anticorrosive coating, and the bottom of the receiving groove is provided with a butterfly valve.

4. The device for improving the construction efficiency of the anti-corrosion of the outer wall of the pipeline according to claim 3, characterized in that, A rubber hose and a micro booster pump are arranged between the receiving groove and the coating cylinder, the inlet pipe of the micro booster pump is communicated with the receiving groove, the outlet of the micro booster pump is communicated with one end of the rubber hose, and the other end of the rubber hose is communicated with the inside of the coating cylinder.

5. The device for improving the construction efficiency of the external wall of the pipeline anticorrosion according to claim 1, characterized in that, The scraping mechanism includes a blade, an adjusting rod and an adjusting knob, the adjusting rod is screwed through the support plate, the adjusting knob is screwed with the adjusting rod, and the adjusting knob is attached to the surface of the support plate, and the blade is fixedly installed on the adjusting rod.

6. The device for improving the construction efficiency of the external wall of the pipeline anticorrosion according to claim 1, characterized in that, A shaking handle is arranged on the pipeline.

7. The method for improving the efficiency of the construction of the anticorrosive coating on the outer wall of a pipeline according to any one of claims 1 to 6, characterized in that, The utility model provides a pipeline anticorrosive coating device, including the following steps: S1: before construction, understand the diameter and length of the pipeline involved in the construction site, assemble the device, adjust the device to be suitable for the pipeline and debug, pay attention to whether the rotation of the bearing and the coating cylinder is smooth, whether the lifting mechanism is in the locked state, then train and brief the workers; S2: during construction, after the pipeline is hoisted to the device by the crane, adjust the distance between the blade and the coating cylinder and the outer wall of the pipeline to meet the coating requirements in the drawing, start the micro booster pump, the anticorrosive coating in the receiving groove fills the coating cylinder through the rubber hose, and the cylinder brush is soaked with anticorrosive coating; S3: rotate the shaking handle to rotate the pipeline, and the anticorrosive coating is coated on the outer wall of the pipeline by friction between the pipeline and the cylinder brush during the rotation of the pipeline, and the blade scrapes the extra coating on the pipeline; at the same time, the receiving groove collects the anticorrosive coating falling from the cylinder brush and the blade; S4: after the coating on the outer wall of the pipeline is coated, make the cylinder shaft slide down, loosen the adjusting knob to increase the distance between the blade and the pipeline, wrap one end of the glass fiber cloth around one end of the pipeline, brush and fix the glass fiber cloth with a small cylinder brush soaked with anticorrosive coating, and rotate the shaking handle again to complete the winding of the glass fiber cloth, and the glass fiber cloth must be flat, tight, without wrinkles and bubbles during winding; S5: after the first layer of anticorrosive coating on the outer wall of the pipeline and the wound glass fiber cloth are completely dry, repeat S2-S3 to coat the second layer of anticorrosive coating. S6: After the completion of the pipeline outer wall anticorrosion, the receiving groove non butterfly valve end is raised, and the butterfly valve is opened, and the recovery of the remaining anticorrosion coating is completed; S7: After use, check the bearing and jacking mechanism, and disassemble regularly according to the correct disassembly steps, so as to be used for circulation.

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