CN114082544A

CN114082544A - Infiltration coating device

Info

Publication number: CN114082544A
Application number: CN202010759870.2A
Authority: CN
Inventors: 王亮; 高华; 赵明帅; 葛佳成; 赵海超
Original assignee: Capital Engineering & Research Inc Ltd
Current assignee: Capital Engineering & Research Inc Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2022-02-25

Abstract

The invention relates to an infiltration coating device, which comprises a brush head and a brush handle, wherein the brush head comprises a bracket and at least two rolling brushes arranged on the bracket at intervals in parallel, and the rolling brushes can be rotatably connected with the bracket. A fixed pipe with two closed ends is arranged between every two adjacent rolling brushes, and the axis direction of the fixed pipe is parallel to the plane where the axes of the at least two rolling brushes are located. The fixed pipe is arranged on the bracket in a sliding manner and can slide in a direction perpendicular to the plane where the axes of the at least two rolling brushes are located, and a plurality of spray heads which can be communicated with the inner channel of the fixed pipe are arranged on the fixed pipe. The brush holder is fixed with the support, and the inside of brush holder has the feed passage that can communicate with the inner channel of fixed pipe. The infiltration coating device disclosed by the invention can be sprayed to the positions such as gaps which cannot be rolled and coated by the rolling brush by adopting a mode of combining spraying and rolling coating, and the sprayed coating can be more fully infiltrated into concrete, so that the coating effect is ensured.

Description

Infiltration coating device

Technical Field

The invention relates to the technical field of bridge protection, in particular to an infiltration coating device which is particularly suitable for infiltration coating of waterproof and anticorrosive materials for concrete bridges.

Background

Because of the influence of adverse weather conditions, roads in northern China are often accumulated with snow and frozen in winter, and a maintenance department uses chemical substances such as deicing salt, snow-melting agent and the like in a large amount in the process of communicating. The chemical substances such as sodium chloride, calcium chloride, magnesium chloride and additives thereof, which are used as snow-melting agents, directly erode and destroy road surfaces and bridges. The concrete structure is provided with holes and can absorb water in a dry mode, and particularly, the concrete structure with micro cracks is higher in water absorption capacity. The water body dissolved with harmful substances flows in the holes and cracks through the stress of freeze-thaw cycle, and the continuous damage to the concrete member is long-term and deep. Chemical corrosion components in the deicing salt and snow-melting agent migrate and permeate into concrete, and generate salt freezing and salt corrosion under the combined action of the deicing salt and the snow-melting agent and water, so that not only is the surface layer of the concrete damaged, but also the surface layer of the concrete is gradually expanded into the concrete, and further large-area severe corrosion is caused. Therefore, the protection of the concrete bridge is not slow.

In order to prevent freeze-thaw salt corrosion of concrete bridges. At present, the method of coating an anticorrosive material on the surface of concrete is usually adopted, so that the service life of the concrete is prolonged. The existing rolling brush only soaks the rolling brush, the material is coated on the surface by depending on the extrusion of the rolling brush, the coating has no pressure, and particularly, the gap part cannot be soaked in place.

Therefore, the inventor provides an immersion coating device by virtue of experience and practice of related industries for many years, so as to overcome the defects of the prior art.

Disclosure of Invention

The invention aims to provide an infiltration coating device which can be sprayed to a gap and other places which can not be coated by a rolling brush in a spraying and rolling combined mode, and can enable sprayed coating to be more fully infiltrated into concrete, thereby ensuring the coating effect.

The object of the invention is achieved in that an immersion coating device comprises:

the brush head comprises a bracket and at least two rolling brushes arranged on the bracket at intervals in parallel, and the rolling brushes can be rotatably connected with the bracket; a fixed pipe with two closed ends is arranged between every two adjacent rolling brushes, and the axial direction of the fixed pipe is parallel to the plane where the axial lines of at least two rolling brushes are located; the fixed pipe is arranged on the bracket in a sliding manner and can slide in a direction vertical to the plane where the axes of the at least two rolling brushes are located, and a plurality of spray heads which can be communicated with the internal channel of the fixed pipe are arranged on the fixed pipe;

and the brush holder is fixed with the bracket, and a feeding channel which can be communicated with the internal channel of the fixed pipe is arranged in the brush holder.

In a preferred embodiment of the present invention, the position of each spray head in the circumferential direction of the fixed pipe can be adjusted.

In a preferred embodiment of the present invention, the fixed pipe includes a plurality of first fixed pipes arranged at intervals in sequence, a second fixed pipe is rotatably inserted between two adjacent first fixed pipes, the second fixed pipe is connected to the first fixed pipe by a first positioning screw, and the spray head is detachably fixed to the second fixed pipe.

In a preferred embodiment of the present invention, the inner diameters of both ends of the second fixed pipe are the same as the inner diameter of the first fixed pipe, the middle part of the second fixed pipe is outwardly protruded to form a stepped pipe with an enlarged inner diameter, and a fixed hole is formed on the pipe wall at one side of the stepped pipe; a sliding block is embedded in the stepped pipe in a radially sliding manner, and a spring is clamped between the inner wall of the other side of the stepped pipe and one side wall of the sliding block; a first axial channel and a second axial channel which penetrate through two ends of the sliding block are arranged in the sliding block, and the second axial channel is arranged close to the fixing hole; a lateral hole is formed in the other side wall of the sliding block and is opposite to the position of the fixing hole, and the lateral hole is communicated with the second axial channel; the inner side end of the spray head can penetrate through the fixing hole and the lateral hole and is inserted into the second axial channel, and the spray cavity of the spray head can be communicated with the second axial channel.

In a preferred embodiment of the present invention, the slider is a cylindrical structure, the cross section of the first axial channel is circular, the cross section of the second axial channel is crescent, and the end surface of the inner side of the nozzle is an arc surface; the spray cavity of the spray head is composed of a transverse channel and a longitudinal channel which are vertically communicated with each other, the transverse channel penetrates through two sides of the spray head, and the cross section of the transverse channel is crescent; one end of the longitudinal channel is communicated with the transverse channel, and the other end of the longitudinal channel penetrates through the end face of the outer side of the spray head.

In a preferred embodiment of the invention, a total of two rolling brushes are provided.

In a preferred embodiment of the present invention, the bracket includes a supporting plate and two mounting plates respectively located at two ends of the supporting plate, each mounting plate includes a horizontal plate and a vertical plate that are vertically arranged; the transverse plate and the vertical plate are positioned in the same horizontal plane and are perpendicular to the supporting plate, the transverse plate and the vertical plate form a T-shaped structure, and the vertical plate is connected with the supporting plate; the round brush is connected on the transverse plate in a rotating mode, the fixing pipe can be arranged on the vertical plate in a sliding mode, and the brush handle is fixed with the supporting plate.

In a preferred embodiment of the present invention, the vertical plate is provided with a sliding groove along a longitudinal direction thereof, an end portion of the fixed tube is slidably inserted into the sliding groove, and a first fastening screw is inserted into the sliding groove and fixed to the end portion of the fixed tube.

In a preferred embodiment of the present invention, the distance between the roll brush and the fixed pipe can be adjusted.

In a preferred embodiment of the invention, two short plates are inserted at two ends of the transverse plate in a telescopic and slidable manner, and the transverse plate is connected with the short plates through second positioning screws; a connecting shaft is fixedly connected between two short plates which are arranged in the two mounting plates in an opposite mode, and the rolling brush is sleeved on the connecting shaft.

In a preferred embodiment of the present invention, the immersion coating apparatus further comprises a coating bucket, a feeding pump and a feeding pipe fixed on the bracket, wherein one end of the feeding pump is connected with the coating bucket through a pipeline, and the other end of the feeding pump is connected with one end of the brush handle through a connecting pipe; the other end of the brush handle is detachably and fixedly connected with one end of the feeding pipe, the connecting pipe and the feeding pipe can be communicated with the feeding channel, and the other end of the feeding pipe is fixed with the fixed pipe and is communicated with the inner channel of the fixed pipe.

In a preferred embodiment of the invention, the handle is a telescopic tube structure.

In a preferred embodiment of the invention, a switch capable of controlling the on-off of the feeding channel is fixed on the brush handle.

In a preferred embodiment of the invention, a semicircular shield is sleeved outside each rolling brush at intervals, the semicircular shield is fixedly connected with the bracket, a baffle extending along the axial direction of the semicircular shield is fixed on the inner wall of the semicircular shield, and the inner side end of the baffle is embedded into the outer edge of each rolling brush; the infiltration coating device also comprises a material return pipe and a material suction pump, wherein one end of the material return pipe is connected with the semicircular shield and is communicated with the interval area between the semicircular shield and the rolling brush, and the other end of the material return pipe is connected with the coating barrel through the material suction pump.

According to the infiltration coating device, the spray head and the rolling brush are matched for coating, a spraying and rolling combined mode is adopted, spraying is carried out during moving rolling, and the sprayed coating has certain pressure when being sprayed by the spray head, so that the coating can be sprayed to the positions such as gaps which cannot be sprayed by the rolling brush, and the infiltration in place of each position is guaranteed. Meanwhile, the coating can stay longer on the surface of the bridge under the rolling coating action of the rolling brush, and the surface of the bridge can absorb more coating, so that the sprayed coating can be more fully soaked into concrete, the surface of the bridge can be uniformly soaked, the coating effect is ensured, the corrosion time of the bridge concrete is prolonged, and the protection of the bridge concrete is realized. In addition, the fixed pipe can slide on the support, so that the distance between the spray head and the concrete surface can be adjusted conveniently, and the coating effect is improved. And the rolling brush can also absorb redundant paint, so that the redundant paint is prevented from flowing and polluting, the material is saved, and the recycling is convenient. The whole device is simple in structure, simple and convenient to operate and capable of achieving quick and convenient coating.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1: the first structural schematic diagram of the immersion coating device provided by the invention is shown.

FIG. 2: which is a partial enlargement at a in fig. 1.

FIG. 3: a side view of an immersion coating apparatus is provided.

FIG. 4: which is a partial enlarged view at B in fig. 3.

FIG. 5: the structural schematic diagram of the infiltration coating device provided by the invention is shown as II.

FIG. 6: which is a partial enlargement at C in fig. 5.

FIG. 7: a cross-sectional view of a second stationary tube is provided for the present invention.

FIG. 8: the invention provides a cross section of a slide block;

FIG. 9: is a cross-sectional view of a slider provided by the present invention.

FIG. 10: the invention provides a first cross section of a spray head;

FIG. 11: the invention provides a second cross section of the spray head.

The reference numbers illustrate:

1. a support; 11. a support plate; 12. mounting a plate; 121. a transverse plate; 122. a vertical plate; 1221. a chute; 123. a first fastening screw; 124. a short plate; 125. a second set screw; 13. a connecting shaft;

2. rolling and brushing;

3. a fixed tube; 31. a first stationary tube; 32. a second stationary tube; 321. a stepped pipe; 3211. a fixing hole; 33. a first set screw; 34. a slider; 341. a first axial passage; 342. a second axial passage; 343. a lateral aperture; 35. a spring;

4. a spray head; 41. a transverse channel; 42. a longitudinal channel;

5. a brush handle; 51. a second fastening screw; 52. a switch;

6. a feed pipe;

7. a connecting pipe;

8. a semicircular shield; 81. a baffle plate;

9. and a material return pipe.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

As shown in fig. 1-11, this embodiment provides an immersion coating apparatus comprising a brush head and a handle 5.

Wherein, the brush head includes support 1 and parallel interval establishes two at least round brushes 2 on support 1, and round brush 2 can rotate with support 1 and be connected. A fixed pipe 3 with two closed ends is arranged between two adjacent rolling brushes 2, and the axial direction of the fixed pipe 3 is parallel to the plane where the axial lines of at least two rolling brushes 2 are located. The fixed pipe 3 is slidably provided on the holder 1 and is slidable in a direction perpendicular to a plane on which the axes of the at least two rolling brushes 2 are located, and the fixed pipe 3 is provided with a plurality of spray heads 4 capable of communicating with an internal passage of the fixed pipe 3. The brush holder 5 is fixed to the holder 1, and the interior of the brush holder 5 has a supply passage capable of communicating with the interior passage of the fixed pipe 3.

When in use, the brush handle 5 is firstly connected with the paint bucket, so that the feeding channel can be communicated with the paint bucket. Meanwhile, the fixed pipe 3 can be slid according to the situation of the site to adjust the distance of the spray head 4 from the concrete surface. When coating, utilize shower nozzle 4 to spray the bridge surface, the round brush 2 of 4 both sides of shower nozzle can be with the coating of spraying even, and shower nozzle 4 can spray the gap that round brush 2 can not coat.

Therefore, the infiltration coating device in the embodiment coats by matching the spray head 4 with the rolling brush 2, adopts a mode of combining spray and rolling coating, sprays when moving the rolling coating, can make the sprayed coating have certain pressure when spraying by using the spray head 4, and further can spray the coating to the positions such as gaps which can not be sprayed by the rolling brush 2, and ensures that all positions can be infiltrated in place. Meanwhile, the coating can stay longer on the surface of the bridge under the rolling coating action of the rolling brush 2, and the surface of the bridge can absorb more coating, so that the sprayed coating can be more fully soaked into concrete, the surface of the bridge can be uniformly soaked, the coating effect is ensured, the corrosion time of the bridge concrete is prolonged, and the protection of the bridge concrete is realized. In addition, the fixed pipe 3 can slide on the bracket 1, so that the distance between the spray head 4 and the concrete surface can be adjusted more conveniently, and the coating effect is improved. And the rolling brush 2 can also absorb redundant paint, prevent the redundant paint from flowing and polluting, save materials and facilitate recycling. The whole device is simple in structure, simple and convenient to operate and capable of achieving quick and convenient coating.

It should be noted that the infiltration coating apparatus in this embodiment may be used for coating the surface of a bridge, and may also be used for coating the surface of other objects, and both the infiltration coating apparatus and the infiltration coating apparatus may be infiltrated in place and ensure the coating effect.

In a specific implementation mode, for more flexibility in use, the position of each spray head 4 in the circumferential direction of the fixed pipe 3 can be adjusted, so that the angle of the spray head 4 can be adjusted adaptively according to actual conditions, and a better coating effect is obtained.

In detail, as shown in fig. 5 and 6, for convenience of processing and installation, the fixed pipe 3 includes a plurality of first fixed pipes 31 arranged at intervals in sequence, a second fixed pipe 32 is rotatably inserted between two adjacent first fixed pipes 31, the second fixed pipe 32 is connected to the first fixed pipes 31 by a first set screw 33, and the spray head 4 is detachably fixed on the second fixed pipe 32. Wherein, the ends of the two first fixing pipes 31 at the two ends far away from the second fixing pipe 32 are both sealed, so as to ensure that the two ends of the whole fixing pipe 3 are sealed.

Like this, the both ends of the fixed pipe 32 of second are inserted respectively and are established in two adjacent fixed pipes 31, with the fixed pipe 32 of second rotatory suitable position and through first set screw 33 fixed can, alright reach the purpose of adjusting 4 angles of shower nozzle, simple and convenient.

In practical application, in order to facilitate changing different spray heads 4 or adjusting the number of spray heads 4 as required, as shown in fig. 5 to 11, inner diameters of two ends of the second fixing pipe 32 are the same as an inner diameter of the first fixing pipe 31, a stepped pipe 321 with an enlarged inner diameter is formed at the middle part of the second fixing pipe 32 in an outward protruding manner, and a fixing hole 3211 is formed in a pipe wall on one side of the stepped pipe 321.

A slider 34 is radially slidably fitted in the stepped pipe 321, and a spring 35 is interposed between the other inner wall of the stepped pipe 321 and one side wall of the slider 34. A first axial passage 341 and a second axial passage 342 are formed through both ends of the slider 34, and the second axial passage 342 is provided near the fixing hole 3211. A lateral hole 343 is formed in the other side wall of the slider 34 at a position opposite to the fixing hole 3211, and the lateral hole 343 is communicated with the second axial passage 342. The inner end of the nozzle head 4 can pass through the fixing hole 3211 and the lateral hole 343 and be inserted into the second axial passage 342, and the nozzle chamber of the nozzle head 4 can communicate with the second axial passage 342.

The inner channel of the first fixed pipe 31 and the inner channel of the second fixed pipe 32 form the inner channel of the whole fixed pipe 3, the size of the first axial channel 341 and the second axial channel 342 in the control slider 34 can ensure that the first axial channel 341 is always communicated with the inner channel of the fixed pipe 3, the second axial channel 342 can be communicated with the inner channel of the fixed pipe 3 only after the spray head 4 is installed, and the second axial channel 342 is communicated with the outside and is not communicated with the inner channel of the fixed pipe 3 when the spray head 4 is not installed.

More specifically, after the spray head 4 is not installed or the spray head 4 is removed, the slider 34 is pushed to move in the direction close to the fixing hole 3211 along the radial direction of the stepped pipe 321 under the elastic force of the spring 35, the other side wall of the slider 34 is tightly attached to the inner wall of one side of the stepped pipe 321, at this time, only the first axial passage 341 in the slider 34 is communicated with the inner passage of the fixed pipe 3, and the second axial passage 342 is not communicated with the inner passage of the fixed pipe 3, so as to ensure that the paint in the fixed pipe 3 cannot leak to the outside when the spray head 4 is not installed.

When the sprayer 4 is installed, the inner side end of the sprayer 4 penetrates through the fixing hole 3211 and the lateral hole 343 and then is inserted into the second axial passage 342, the side wall of the sprayer 4 is in interference fit with the fixing hole 3211 to ensure that the sprayer 4 cannot fall down after being inserted, the second axial passage 342 and the lateral hole 343 are matched to further limit the sprayer 4, and the stability of the sprayer 4 is ensured. During the process of installing the spray head 4, the spray head 4 pushes the sliding block 34 to move in the radial direction of the stepped pipe 321 towards the direction away from the fixing hole 3211, so that the sliding block 34 compresses the spring 35. At this time, the second axial passage 342 will communicate with the inner passage of the fixed pipe 3, and the coating material can enter the spray chamber of the spray head 4 through the second axial passage 342 to be sprayed from the spray head 4.

Therefore, through the cooperation of the sliding block 34 and the spring 35 in the second fixing pipe 32, the paint can be smoothly sprayed out of the spray head 4 after the spray head 4 is installed, and the fixing hole 3211 of the second fixing pipe 32 can be blocked by the sliding block 34 when the spray head 4 is not installed, so that the paint is ensured not to leak. Like this, according to needs alright in order to suitably increase or reduce the quantity of shower nozzle 4, also can change different shower nozzles 4, can not cause the coating to reveal in change or the use, and the installation is dismantled conveniently.

Further, for convenience of processing and assembly, as shown in fig. 8 to 11, the slider 34 has a cylindrical structure, the cross section of the first axial passage 341 is circular, the cross section of the second axial passage 342 is crescent-shaped, and the inner end surface of the nozzle 4 is an arc surface to match the shape of the second axial passage 342.

The spray cavity of the spray head 4 is composed of a transverse channel 41 and a longitudinal channel 42 which are vertically communicated with each other, the transverse channel 41 penetrates through two sides of the spray head 4, the cross section of the transverse channel 41 is crescent-shaped, and the transverse channel can be inserted into the second axial channel 342 at the inner side end of the spray head 4 and then is communicated with the second axial channel 342; one end of the longitudinal passage 42 communicates with the lateral passage 41, and the other end penetrates the outer end surface of the head 4.

Thus, when the spray head 4 is installed, the inner end surface of the spray head 4 can be attached to the inner wall of the second axial passage 342, meanwhile, the transverse passage 41 of the spray head 4 is just opposite to and communicated with the second axial passage 342, and the coating enters the transverse passage 41 of the spray head 4 after passing through the second axial passage 342 and is then sprayed out through the longitudinal passage 42 of the spray head 4.

In practical use, if the slide block 34 and the spring 35 are not provided, the fixing hole 3211 may be a threaded hole, and when the nozzle 4 is mounted, the side wall of the nozzle 4 and the threaded hole are screwed together; when the spray head 4 is not installed, a plug can be fixed at the threaded hole to prevent the paint from leaking. Of course, the connection between the nozzle 4 and the fixed pipe 3 may be in other manners, and this embodiment is only for illustration.

Further, in order to reduce the volume and weight of the whole device and achieve better use effect, as shown in fig. 1, two rolling brushes 2 are provided in total to facilitate the operation.

For the case of two rolling brushes 2 in total, in order to facilitate the processing and installation, as shown in fig. 1 to 3, the bracket 1 includes a support plate 11 and two mounting plates 12 respectively located at both ends of the support plate 11, and each mounting plate 12 includes a horizontal plate 121 and a vertical plate 122 disposed perpendicular to each other. The horizontal plate 121 and the vertical plate 122 are located in the same horizontal plane and perpendicular to the support plate 11, the horizontal plate 121 and the vertical plate 122 form a T-shaped structure, and the vertical plate 122 is connected with the support plate 11. The rolling brush 2 is rotatably connected to the transverse plate 121, the fixing tube 3 is slidably arranged on the vertical plate 122, and the brush holder 5 is fixed with the supporting plate 11.

Specifically, in order to adjust the position of the fixed pipe 3 conveniently, a sliding groove 1221 is formed in the vertical plate 122 along the length direction of the vertical plate, the end portion of the fixed pipe 3 is slidably inserted into the sliding groove 1221, a first fastening screw 123 is inserted into the sliding groove 1221, the first fastening screw 123 is fixed to the end portion of the fixed pipe 3, and then the distance from the spray nozzle 4 on the fixed pipe 3 to the concrete surface can be adjusted conveniently.

In a specific using process, in order to adjust the distance between the rolling brush 2 and the spray head 4 on the fixed pipe 3, the distance between the rolling brush 2 and the fixed pipe 3 can be adjusted.

In detail, for convenience of adjustment, two short plates 124 are inserted at both ends of the transverse plate 121 in a telescopic and slidable manner, and the transverse plate 121 and the short plates 124 are connected by a second set screw 125. A connecting shaft 13 is fixedly connected between the two short plates 124 which are arranged oppositely in the two mounting plates 12 (namely, a connecting shaft 13 is fixedly connected between the two short plates 124 which are symmetrical left and right in the two mounting plates 12), and the rolling brush 2 is sleeved on the connecting shaft 13. Like this, through the flexible length of adjustment short slab 124 for diaphragm 121, alright in order to adjust the distance between fixed pipe 3 and the round brush 2, simple and convenient.

Therefore, in the present embodiment, the fixed pipe 3 is slidable on the vertical plate 122, so that the distance from the spray head 4 to the concrete charge level is adjustable; the angle of the spray head 4 can be adjusted, and different spray heads 4 can be installed according to the requirements; the distance between the rolling brush 2 and the spray head 4 can be adjusted, so that the positions of the spray head 4 and the rolling brush 2 can be correspondingly adjusted according to different conditions of a construction site, and the optimal coating effect can be achieved.

Further, in order to facilitate the smooth transportation of the paint into the fixed tube 3, the immersion coating apparatus further comprises a paint bucket, a feeding pump and a feeding tube 6 fixed on the bracket 1, wherein one end of the feeding pump is connected with the paint bucket through a pipeline, and the other end of the feeding pump is connected with one end of the brush handle 5 through a connecting tube 7. The other end of the brush handle 5 is detachably and fixedly connected with one end of the feeding pipe 6, the connecting pipe 7 and the feeding pipe 6 can be communicated with the feeding channel, and the other end of the feeding pipe 6 is fixed with the fixed pipe 3 and communicated with the inner channel of the fixed pipe 3.

When the paint sprayer is used, paint can be pumped into the feeding channel of the brush handle 5 by the pumping action of the feeding pump, then enters the fixed pipe 3 through the feeding pipe 6 to realize feeding for the spray heads 4, and finally is sprayed out through the spray heads 4.

Wherein, the mounting hole has been seted up on the backup pad 11 of support 1, and the other end of inlet pipe 6 is inserted and is established and fix in the mounting hole to wear out the back by the mounting hole and fix on fixed pipe 3 (specifically fix on first fixed pipe 31). In order to ensure the stability of the structure and facilitate the sliding of the fixed pipe 3, one end of the feeding pipe 6 is a hard pipe to the part installed in the installation hole, and the part penetrating out of the installation hole and connected with the fixed pipe 3 is a hose. Typically one end of feed tube 6 is inserted inside the other end of handle 5 and fixed by a second fastening screw 51 to enable detachable fixation between handle 5 and feed tube 6. After the construction is finished, the brush handle 5 can be conveniently detached, and the cleaning is more convenient.

In practical application, in order to adjust the length of the brush holder 5 according to the construction condition, the brush holder 5 is a telescopic cylinder structure. How to realize the telescopic function of the telescopic cylinder structure is the prior art, and the details are not repeated herein.

For the convenience of operation, a switch 52 for controlling the opening and closing of the feed passage is fixed to the brush holder 5 as shown in fig. 1.

Further, in order to facilitate recycling of the paint, as shown in fig. 1 to 4, a semicircular shield 8 is sleeved outside each rolling brush 2 at an interval, the semicircular shield 8 is fixedly connected with the bracket 1, a baffle 81 extending in the axial direction of the semicircular shield 8 is fixed on the inner wall of the semicircular shield 8, and the inner end of the baffle 81 is embedded in the outer edge of the rolling brush 2. The infiltration coating device also comprises a material return pipe 9 and a material suction pump, wherein one end of the material return pipe 9 is connected with the semicircular shield 8 and is communicated with the interval area between the semicircular shield 8 and the rolling brush 2, and the other end of the material return pipe 9 is connected with the coating barrel through the material suction pump.

Wherein, the semicircular shield 8 is coaxially arranged with the rolling brush 2, and the semicircular shield 8 is fixedly connected with the connecting shaft 13. The general baffle 81 is disposed near the port of the feed back pipe 9, so that the extruded coating can smoothly flow into the feed back pipe 9, and a certain guiding function is achieved.

In this way, since the inner end of the baffle 81 is inserted into the outer edge of the roller brush 2, a certain pressing force can be generated to the roller brush 2. When coating, the roller brush 2 can absorb redundant coating, in the rotation process of the roller brush 2, the baffle plate 81 can extrude the redundant coating on the roller brush 2, the extruded coating flows back to the coating bucket from the material return pipe 9 through the suction effect of the material suction pump, the redundant coating on the roller brush 2 is collected and recycled, and the pollution of the redundant coating to the site is prevented. Meanwhile, the semicircular protective cover 8 can play a certain protection role when the spray head 4 sprays, so that the coating is prevented from splashing to the outside to cause pollution.

In summary, in the infiltration coating device in this embodiment, the brush handle 5 and the brush head are connected, one end of the brush handle 5 is connected to the paint bucket, the brush head is placed at a position on the bridge to be coated, the switch 52 on the brush handle 5 is pressed, the spray head 4 starts to spray, and the brush handle 5 is pushed, so that the roller brush 2 on the brush head uniformly coats the sprayed paint on the surface of the bridge, and the spray head 4 can spray the inside of the gap to infiltrate the gap, so that the gap is protected; the round brush 2 can guarantee that the infiltration is abundant, does benefit to the concrete and absorbs, and the round brush 2 can absorb the unnecessary coating that sprays out again, avoids too much coating to cause environmental pollution on the concrete surface, and reduces the waste of coating for the concrete surface can obtain best infiltration effect, extension protection period.

Meanwhile, the brush handle 5 can be extended and contracted, and the switch 52 is positioned on the brush handle 5 and used and controlled. The distance between round brush 2 and shower nozzle 4 is adjustable, and shower nozzle 4 can slide on riser 122, and consequently, the distance of shower nozzle 4 apart from the concrete surface is adjustable, and shower nozzle 4 can rotate on fixed pipe 3, can also install different shower nozzle 4 on fixed pipe 3 to make the coating effect can best.

In addition, the outside semi-circular guard shield 8 of round brush 2 can avoid coating to splash, and the brush cloth on the round brush 2 can be extruded to baffle 81 that sets up in the semi-circular guard shield 8, will adsorb more coating on it and scrape down and retrieve through feed back pipe 9, avoids the coating to drip and spills and cause the pollution at construction environment to the environment to can practice thrift coating, guarantee going on smoothly of coating.

The above are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.

Claims

1. An immersion coating apparatus, comprising:

2. The immersion coating apparatus of claim 1,

the position of each spray head on the circumferential direction of the fixed pipe can be adjusted.

3. The immersion coating apparatus of claim 2,

the fixed pipe includes a plurality of first fixed pipes that the order interval was arranged, adjacent two can insert the fixed pipe of a second rotatably between the first fixed pipe, the fixed pipe of second with through first location screw connection between the first fixed pipe, the shower nozzle can be fixed with dismantling on the fixed pipe of second.

4. The immersion coating apparatus of claim 3,

the inner diameters of two ends of the second fixed pipe are the same as that of the first fixed pipe, the middle part of the second fixed pipe is outwards protruded to form a stepped pipe with an enlarged inner diameter, and a pipe wall on one side of the stepped pipe is provided with a fixed hole; a sliding block is embedded in the stepped pipe in a radially sliding manner, and a spring is clamped between the inner wall of the other side of the stepped pipe and one side wall of the sliding block;

a first axial channel and a second axial channel which penetrate through two ends of the sliding block are arranged in the sliding block, and the second axial channel is close to the fixing hole; a lateral hole is formed in the position, opposite to the fixing hole, on the other side wall of the sliding block, and the lateral hole is communicated with the second axial channel;

the inner side end of the spray head can penetrate through the fixing hole and the lateral hole and is inserted into the second axial channel, and the spray cavity of the spray head can be communicated with the second axial channel.

5. The immersion coating apparatus of claim 4,

the sliding block is of a cylindrical structure, the cross section of the first axial channel is circular, the cross section of the second axial channel is crescent, and the end surface of the inner side of the spray head is an arc surface;

the spray cavity of the spray head is composed of a transverse channel and a longitudinal channel which are vertically communicated with each other, the transverse channel penetrates through two sides of the spray head, and the cross section of the transverse channel is crescent; one end of the longitudinal channel is communicated with the transverse channel, and the other end of the longitudinal channel penetrates through the end face of the outer side of the spray head.

6. The immersion coating apparatus of claim 1,

two rolling brushes are arranged.

7. The immersion coating apparatus of claim 6,

the support comprises a support plate and two mounting plates respectively positioned at two ends of the support plate, wherein each mounting plate comprises a transverse plate and a vertical plate which are perpendicular to each other; the transverse plate and the vertical plate are positioned in the same horizontal plane and are perpendicular to the supporting plate, the transverse plate and the vertical plate form a T-shaped structure, and the vertical plate is connected with the supporting plate;

the round brush rotates to be connected on the diaphragm, fixed pipe can establish with sliding on the riser, the brush holder with the backup pad is fixed.

8. The immersion coating apparatus of claim 7,

the vertical plate is provided with a sliding groove along the length direction, the end part of the fixed pipe can be inserted in the sliding groove in a sliding manner, a first fastening screw is inserted in the sliding groove, and the first fastening screw is fixed with the end part of the fixed pipe.

9. The immersion coating apparatus of claim 7,

the distance between the rolling brush and the fixed pipe can be adjusted.

10. The immersion coating apparatus of claim 9,

two short plates are inserted at two ends of the transverse plate in a telescopic sliding manner, and the transverse plate is connected with the short plates through second positioning screws; and a connecting shaft is fixedly connected between the two short plates which are arranged in the two mounting plates just opposite to each other, and the rolling brush is sleeved on the connecting shaft.

11. The immersion coating apparatus of claim 1,

the infiltration coating device also comprises a coating bucket, a feeding pump and a feeding pipe fixed on the bracket, wherein one end of the feeding pump is connected with the coating bucket through a pipeline, and the other end of the feeding pump is connected with one end of the brush handle through a connecting pipe;

the other end of brush holder with the one end of inlet pipe can dismantle ground fixed connection, the connecting pipe with the inlet pipe all can with feed channel is linked together, the other end of inlet pipe with fixed pipe is fixed and with the inside passage of fixed pipe is linked together.

12. The immersion coating apparatus of claim 11,

the brush handle is of a telescopic cylinder structure.

13. The immersion coating apparatus of claim 11,

a switch capable of controlling the on-off of the feeding channel is fixed on the brush handle.

14. The immersion coating apparatus of claim 11,

a semicircular shield is sleeved outside each rolling brush at intervals and fixedly connected with the support, a baffle extending along the axial direction of the semicircular shield is fixed on the inner wall of the semicircular shield, and the inner side end of the baffle is embedded into the outer edge of each rolling brush;

the infiltration coating device further comprises a material return pipe and a material suction pump, one end of the material return pipe is connected with the semicircular shield and communicated with a spacing area between the semicircular shield and the rolling brush, and the other end of the material return pipe is connected with the coating barrel through the material suction pump.