CN111172899B - Construction method for coating self-cleaning antifouling type nano material of bridge - Google Patents
Construction method for coating self-cleaning antifouling type nano material of bridge Download PDFInfo
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- CN111172899B CN111172899B CN202010125715.5A CN202010125715A CN111172899B CN 111172899 B CN111172899 B CN 111172899B CN 202010125715 A CN202010125715 A CN 202010125715A CN 111172899 B CN111172899 B CN 111172899B
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- oil
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- paint
- spraying
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
The invention relates to the technical field of construction methods, and discloses a bridge self-cleaning antifouling type nano material coating construction method, which comprises a grinding machine and an air compressor, wherein the method comprises the following steps: 1) erecting a high-altitude vehicle, a bridge inspection vehicle and a scaffold operation platform, cleaning attachments on the wall surface by using a cleaning tool and a grinding machine, and cleaning the wall surface by using a high-pressure water gun; 2) repairing cracks and pits on the wall surface by using epoxy mortar, brushing an interface agent on the wall surface, fully scraping putty on the basis of the interface agent, and manually polishing and flattening the putty surface by using a flattening tool; after the cleaning tool and the grinding machine are used for removing attachments on the wall surface, the wall surface is cleaned by the high-pressure water gun at the next time, then cracks and pits in the wall surface are repaired by epoxy mortar, the putty surface is fully scraped by using the interface agent and the putty powder, then the priming paint and the nano paint are sprayed, and after the nano paint is inspected, the corrosion resistance and the self-cleaning capability of the bridge wall surface can be improved.
Description
Technical Field
The invention relates to the technical field of construction methods, in particular to a coating construction method of a self-cleaning antifouling type nano material for a bridge.
Background
The appearances of traffic facilities such as various overpasses, pedestrian passages, pedestrian overpasses, collision walls, sound insulation screens and the like in cities have great influence on the overall appearance and appearance of the cities; along with the continuous improvement of the demand of residents on good life, the aesthetic demand of urban traffic facility construction is higher and higher, the urban function is further perfected, the traveling environment of the citizens is improved, and the beautification of urban landscape becomes a problem which needs to be considered for urban construction.
The surface construction method of urban road facilities usually mainly uses paint brushing and coating, and under the repeated action of temperature, rainwater and environment, temperature shrinkage, reflection cracks and falling are easy to generate, so that repeated repair is caused, the appearance is influenced, and meanwhile, great waste is caused.
Disclosure of Invention
The invention aims to provide a construction method for coating a self-cleaning antifouling nano material for a bridge, and aims to solve the problem that paint brushed by a construction method for the surface of urban road facilities in the prior art is easy to fall off.
The invention discloses a construction method for coating a self-cleaning antifouling nano material of a bridge, which comprises a grinding machine and an air compressor, and comprises the following steps:
1) erecting a high-altitude vehicle, a bridge inspection vehicle and a scaffold operation platform, cleaning attachments on the wall surface by using a cleaning tool and the grinding machine, and cleaning the wall surface by using a high-pressure water gun;
2) repairing cracks and pits on the wall surface by using epoxy mortar, brushing an interface agent on the wall surface, fully scraping putty on the basis of the interface agent, and manually polishing and flattening the putty surface by using a flattening tool;
3) after the treatment quality of the putty surface is checked and qualified, priming paint is brushed on the putty surface, the priming paint covers the putty surface to form a priming paint surface, and after the priming paint surface is inspected to be qualified, nano paint is brushed to form a paint film;
4) and after the paint film is subjected to quality inspection and passes, dismantling the scaffold operation platform, and moving the overhead crane and the bridge inspection vehicle away from the construction site.
And (3) when the step (3) is used for checking, trial spraying is needed, an air compressor is used for performing trial spraying on the putty surface, and whether the putty surface is flat or not is checked.
Further, the air compressor comprises a spray head, a spray pipe and a compressor, the spray head is connected to the spray pipe, the compressor is connected to the spray pipe through a pipeline, and compressed air of the compressor is filled into the spray pipe.
Furthermore, an installation head is formed at the front end of the spray pipe, the rear end of the spray pipe is connected with the compressor, and a rotating pattern is formed on the installation head; the nozzle is provided with a through hole, a counter-rotating groove connected with the rotating grains is formed in the through hole, and the nozzle is connected with the mounting head in a rotating mode.
Furthermore, the mounting head is provided with a rear end connected with the spray pipe, the front end of the mounting head is provided with a clamping groove, and the clamping groove is connected with the rotating pattern in a clamping manner; the nozzle is provided with a pressing key, a protruding block and a containing hole, the containing hole is located in the inner wall of the through hole, the protruding block is inserted into the containing hole, the pressing key is movably connected with the protruding block through an elastic piece, when the pressing key is pressed down, the protruding block moves into the containing hole, the nozzle is in screwed connection or separation with the mounting head, when the rotating pattern and the reverse rotation groove are connected to the tail end, the pressing key is loosened, and the protruding block is embedded into the clamping groove.
Furthermore, the rear end of the mounting head is provided with a plurality of spring pieces and a bottom seat, the spring pieces are connected with the bottom seat, and an air outlet through hole communicated with the front end is formed in the bottom seat; the spray pipe is sleeved on the rear end of the mounting head, and when the front end of the spray pipe is sleeved on the bottom seat, the spray pipe is opened outwards by the spring pieces.
Further, the priming paint brushing and the nanometer paint brushing in the step (3) are carried out by using a spraying machine, wherein the spraying machine comprises a heat dissipation oil tank for loading the priming paint and the nanometer paint, an oil well pump connected with the heat dissipation oil tank, and an oil injection piece connected with the oil well pump; the oil spraying piece comprises an oil spraying rod, a high-pressure pipe and a spraying gun, the spraying gun is connected between the high-pressure pipe and the oil spraying rod, and the spraying gun controls the flow of paint.
Furthermore, the heat dissipation oil tank is cuboid, set up two oil loading chambeies in the heat dissipation oil tank, just the heat dissipation oil tank outside is equipped with two and communicates two the oil transportation opening in oil loading chamber, when the paint that needs to be changed to spout, will the connector of oil-well pump is connected with the oil transportation opening that corresponds.
Furthermore, the heat dissipation oil tank and the oil well pump are respectively connected with a connecting base; the spraying machine further comprises a moving part, and the connecting base is movably connected with or separated from the moving part.
Furthermore, the spray head is in a shape with a small front part and a big back part.
Compared with the prior art, the construction method for coating the self-cleaning antifouling type nano material for the bridge provided by the invention has the advantages that after the attachments on the wall surface are removed by using the cleaning tool and the grinding machine, the wall surface is cleaned by using the high-pressure water gun for the first time, then cracks and pits on the wall surface are repaired by using the epoxy mortar, the putty surface is fully scraped by using the interface agent and the putty powder, then the primer and the nano paint are sprayed, and after the nano paint is inspected, the corrosion resistance and the self-cleaning capability of the bridge wall surface can be improved.
Drawings
FIG. 1 is a schematic step diagram of a construction method for coating self-cleaning antifouling type nano-materials for a bridge provided by the invention;
FIG. 2 is a schematic view, partially in section, of a connection of a nozzle and mounting head provided by the present invention;
FIG. 3 is a schematic left view of the heat dissipating oil tank, the moving member and the oil pump of the coating machine according to the present invention;
FIG. 4 is a left side schematic view of the spray bar and spray gun connection provided by the present invention;
fig. 5 is a left side schematic view of a sander provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-5, preferred embodiments of the present invention are shown.
The construction method for coating the self-cleaning antifouling type nano material for the bridge, provided by the embodiment, can be used for construction of other building walls and can also be used for paint spraying construction of railings.
The construction method for coating the self-cleaning antifouling nano material of the bridge comprises a grinding machine 11 and an air compressor 12, and comprises the following steps:
1) erecting a high-altitude vehicle, a bridge inspection vehicle and a scaffold operation platform, cleaning attachments on the wall surface by using a cleaning tool and a polisher 11, and cleaning the wall surface by using a high-pressure water gun;
2) repairing cracks and pits on the wall surface by using epoxy mortar, brushing an interface agent on the wall surface, fully scraping putty on the basis of the interface agent, and manually polishing and flattening the putty surface by using a flattening tool;
3) after the treatment quality of the putty surface is checked and qualified, priming paint is brushed on the putty surface, the priming paint covers the putty surface to form a priming paint surface, and after the priming paint surface is inspected to be qualified, nano paint is brushed to form a paint film;
4) and after the paint film is subjected to quality inspection and passes, dismantling the scaffold operation platform, and moving the overhead crane and the bridge inspection vehicle away from the construction site.
When the step (3) is used for checking, trial spraying is needed, and an air compressor 12 is used for trial spraying on the putty surface to check whether the putty surface is flat or not.
The air compressor 12 comprises a spray head 13, a spray pipe and a compressor, the spray head 13 is connected to the spray pipe, the compressor is connected to a pipeline of the spray pipe, and compressed air of the compressor is filled into the spray pipe; wherein the nozzle 13 is small in front and large in back.
Specifically, a mounting head 14 is formed at the front end of the spray pipe, the rear end of the spray pipe is connected with the compressor, and rotating patterns are formed on the mounting head 14; the nozzle 13 has a through hole, a reverse rotation groove connected with the rotation thread is formed in the through hole, and the nozzle 13 is screwed with the mounting head 14.
The mounting head 14 is provided with a rear end connected with the spray pipe, the front end of the mounting head 14 is provided with a clamping groove, and the clamping groove is connected with the rotating pattern in a close connection mode; the spray head 13 is provided with a pressing key 15, a protruding block 16 and a containing hole 17, the containing hole 17 is positioned on the inner wall of the through hole, the protruding block 16 is inserted into the containing hole 17, the pressing key 15 is movably connected with the protruding block 16 through an elastic piece, when the pressing key 15 is pressed down, the protruding block 16 moves into the containing hole 17, the spray head 13 is screwed and connected with or separated from the mounting head 14, when the rotating pattern and the reverse rotation groove are connected to the tail end, the pressing key 15 is loosened, and the protruding block 16 is embedded into the clamping groove.
The rear end of the mounting head 14 is provided with a plurality of spring pieces 18 and a bottom seat 19, the spring pieces 18 are connected with the bottom seat 19, and an air outlet through hole is formed in the bottom seat 19 and communicated with the front end; the spring strips 18 are formed with circular holes around each other, and gaps are formed between the spring strips 18, so that when the nozzle pipe is sleeved on the rear end of the mounting head 14 and the front end of the nozzle pipe is sleeved on the bottom base 19, the nozzle pipe is opened outwards by the spring strips 18.
The priming paint and the nano paint are brushed in the step (3) by using a spraying machine, wherein the spraying machine comprises a heat dissipation oil tank 20 for loading the priming paint and the nano paint, an oil pump 21 connected with the heat dissipation oil tank 20, and an oil spraying piece connected with the oil pump 21; the oil spraying piece comprises an oil spraying rod 22, a high-pressure pipe and a spraying gun 23, the spraying gun 23 is connected between the high-pressure pipe and the oil spraying rod 22, and the spraying gun 23 controls the flow of paint.
The oil-saving device is characterized in that the heat-dissipating oil tank 20 is cuboid, two oil-containing cavities are formed in the heat-dissipating oil tank 20, two oil conveying openings communicated with the two oil-containing cavities are formed in the outer portion of the heat-dissipating oil tank 20, when sprayed paint needs to be replaced, the connectors of the oil-well pumps 21 are connected with the corresponding oil conveying openings, and the heat-dissipating oil tank 20 is cuboid and can be conveniently placed on a scaffold and also can be stably placed on the ground.
Wherein the heat dissipation oil tank 20 and the oil well pump 21 are respectively connected with a connecting base; the sprayer also comprises a moving part 24, and the connecting base is movably connected with or separated from the moving part 24.
Wherein moving member 24 is including setting up the pulley at the rear end and arranging the part of contradicting at the front end, and the part of contradicting is used for the shock attenuation, and the pulley makes things convenient for moving member 24 to remove, and wherein moving member 24 still extends upwards has the handrail, through drawing the handrail, can conveniently remove the flush coater.
The pulley is detachable, and the moving part 24 can be moved to the scaffold after the pulley is detached.
Wherein the sander 11 also has an embodiment: the bridge self-cleaning antifouling type nano material coating construction equipment comprises a grinding disc 25, a tight connecting piece 26 and a mounting piece 27, wherein the grinding disc 25 is mounted on the mounting piece 27 through the tight connecting piece 26 and is driven by a motor to rotate; the mounting part 27 is provided with an installation hole, the fastening part 26 comprises a fixed head and a fixed section, the fixed head is embedded into the installation hole, the rear end of the fixed section penetrates through the fixed head and is embedded into the installation hole, and the front end of the fixed section is connected with the grinding disc 25; the fixed head is connected with a fixed section bearing, and the fixed section is driven by a motor to rotate.
Through setting up mill 25, installed part 27 and tight piece 26, be connected to installed part 27 through tight piece 26 on, and tight piece 26 includes the canned paragraph, and the motor orders about the canned paragraph rotatory, and makes mill 25 rotate, and installed part 27 also can be used for preventing the hand to touch mill 25 easily moreover, has improved the security, has realized better polishing function through simple and easy setting to the realization is to the better effect of polishing of bridge floor.
Wherein, the mounting member 27 is provided with a motor button 28, the motor button 28 is electrically connected with the motor, and the motor button 28 is provided with a plurality of gears for adjusting the rotating speed of the grinding disc 25.
A sleeve is arranged on the mounting piece 27 and sleeved on the mounting piece 27; the sleeve is provided with a plurality of obliquely arranged friction lines.
Wherein the mounting member 27 extends with a handle 29 at a rear end facing away from the grating disc 25, the sleeve is sleeved on the handle 29, and the motor button 28 is formed on the handle 29.
A motor cavity is formed in the middle of the mounting piece 27, and the motor is mounted in the motor cavity; the front end of the mounting member 27 forms a mounting hole penetrating into a motor cavity, and the motor is connected with the rear end of the fixing section.
Wherein, a clapboard is formed in the motor cavity, and the fixing head is arranged on a fixing hole in the clapboard; the baffle falls into first motor chamber and second motor chamber with the motor chamber, and the motor is placed in second motor chamber, and the canned paragraph extends in first motor chamber, and wears to establish the fixed head.
Wherein, the front end surface of the grinding disc 25 is provided with a friction surface, a plurality of friction blocks which are arranged around the center are formed on the friction surface, and a plurality of friction particles are also arranged on the friction blocks; the rear end face of the grinding disc 25 is connected with the fixed section.
The grinding disc 25 is large in front and small in back, so that grinding is convenient; wherein the mounting member 27 is further formed with a protective cover 30, the protective cover 30 is positioned behind the rear end face of the grinding disc 25 and is arranged around the grinding disc 25; also, the shield cover 30 uses a transparent hardening material.
And in addition, the cleaning tool comprises a pressing machine, the pressing machine comprises a spraying thin gun and a scraper arranged on the spraying thin gun, the spraying thin gun is connected with a small paint can, the paint can is simple and practical, and when some positions which are not sprayed by paint need to be repaired, the spraying can be realized by the practical spraying thin gun.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The construction method for coating the self-cleaning antifouling nano material of the bridge is characterized by comprising a grinding machine and an air compressor, wherein the method comprises the following steps:
1) erecting a high-altitude vehicle, a bridge inspection vehicle and a scaffold operation platform, cleaning attachments on the wall surface by using a cleaning tool and the grinding machine, and cleaning the wall surface by using a high-pressure water gun;
2) repairing cracks and pits on the wall surface by using epoxy mortar, brushing an interface agent on the wall surface, fully scraping putty on the basis of the interface agent, and manually polishing and flattening the putty surface by using a flattening tool;
3) after the treatment quality of the putty surface is checked and qualified, priming paint is brushed on the putty surface, the priming paint covers the putty surface to form a priming paint surface, and after the priming paint surface is inspected to be qualified, nano paint is brushed to form a paint film;
4) after the paint film is subjected to quality inspection and passes, the scaffold operation platform is dismantled, and the overhead truck and the bridge inspection vehicle are moved away from the construction site;
when the step (3) is used for checking, trial spraying is needed, an air compressor is used for performing trial spraying on the putty surface, and whether the putty surface is flat or not is checked;
the air compressor comprises a spray nozzle, a spray pipe and a compressor, the spray nozzle is connected to the spray pipe, the compressor is connected to the spray pipe through a pipeline, and compressed air of the compressor is filled into the spray pipe;
an installation head is formed at the front end of the spray pipe, the rear end of the spray pipe is connected with the compressor, and a rotary pattern is formed on the installation head; the spray head is provided with a through hole, a reverse rotation groove connected with the rotation pattern is formed in the through hole, and the spray head is connected with the mounting head in a screwing mode;
the mounting head is provided with a rear end connected with the spray pipe, the front end of the mounting head is provided with a clamping groove, and the clamping groove is connected with the rotating pattern in a close connection mode; the nozzle is provided with a pressing key, a protruding block and a containing hole, the containing hole is located in the inner wall of the through hole, the protruding block is inserted into the containing hole, the pressing key is movably connected with the protruding block through an elastic piece, when the pressing key is pressed down, the protruding block moves into the containing hole, the nozzle is in screwed connection or separation with the mounting head, when the rotating pattern and the reverse rotation groove are connected to the tail end, the pressing key is loosened, and the protruding block is embedded into the clamping groove.
2. The coating construction method of self-cleaning antifouling type nanomaterial of bridge as claimed in claim 1, wherein a plurality of spring pieces and a base seat are provided on the rear end of the mounting head, the plurality of spring pieces are connected to the base seat, and an air outlet through hole is formed on the base seat and communicated to the front end; the spray pipe is sleeved on the rear end of the mounting head, and when the front end of the spray pipe is sleeved on the bottom seat, the spray pipe is opened outwards by the spring pieces.
3. The coating construction method of the self-cleaning antifouling nano material for the bridge according to claim 1, wherein the priming paint brushing and the nano paint brushing in the step (3) are performed by using a spraying machine, and the spraying machine comprises a heat dissipation oil tank for loading the priming paint and the nano paint, an oil pump connected with the heat dissipation oil tank, and an oil spraying piece connected with the oil pump; the oil spraying piece comprises an oil spraying rod, a high-pressure pipe and a spraying gun, the spraying gun is connected between the high-pressure pipe and the oil spraying rod, and the spraying gun controls the flow of paint.
4. The coating construction method of self-cleaning antifouling type nanomaterial of bridge according to claim 3, wherein the heat-dissipating oil tank is rectangular, two oil-containing cavities are formed in the heat-dissipating oil tank, two oil delivery openings communicated with the two oil-containing cavities are formed outside the heat-dissipating oil tank, and when the sprayed paint needs to be replaced, the connectors of the oil-well pump are connected with the corresponding oil delivery openings.
5. The coating construction method of the self-cleaning antifouling type nanomaterial of the bridge according to claim 4, wherein the heat-dissipating oil tank and the oil pump are respectively linked with a connecting base; the spraying machine further comprises a moving part, and the connecting base is movably connected with or separated from the moving part.
6. The coating construction method of the self-cleaning antifouling nano material for the bridge according to any one of claims 3 to 5, wherein the spray head is small in front and large in back.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010125715.5A CN111172899B (en) | 2020-02-27 | 2020-02-27 | Construction method for coating self-cleaning antifouling type nano material of bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010125715.5A CN111172899B (en) | 2020-02-27 | 2020-02-27 | Construction method for coating self-cleaning antifouling type nano material of bridge |
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| CN111172899B true CN111172899B (en) | 2021-08-20 |
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| CN114790810B (en) * | 2022-05-18 | 2024-01-30 | 良固建筑工程（上海）有限公司 | Intelligent spraying method for hollow internal mold wall |
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