Spraying device for steel structure surface fireproof coating construction

Abstract

A spraying device for steel structure surface fireproof coating construction comprises a bottom plate, a containing device is installed on the bottom plate, the containing device comprises two vertical plates which are arranged in the length direction of the bottom plate and can adjust the interval, and the inner sides of the vertical plates are detachably and fixedly provided with containing rods capable of adjusting the height; a spraying assembly capable of moving in the length direction of the bottom plate is arranged on the bottom plate and comprises two vertical assembling plates, an upper fixing plate and a lower fixing plate are fixed between the two assembling plates, an annular spraying pipe is arranged between the upper fixing plate and the lower fixing plate, and a plurality of spraying heads arranged in the circumferential direction of the spraying pipe are fixed in the spraying pipe. A storage box and a spraying pump are fixed to the top of the upper fixing plate, an inlet of the spraying pump is communicated with the storage box, and an outlet of the spraying pump is communicated with the spraying pipe. A walking mechanism is fixed to the bottom of the assembling plate, and a walking track matched with the walking mechanism is fixed to the bottom plate. According to the utility model, the outer surface of a steel pipe with a larger specification can be uniformly sprayed.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying equipment, in particular to a spraying device for the construction of fire retardant coatings on the surface of steel structures. Background Art

[0002] Most of the steel structures used in the construction process of buildings or other fields are steel pipes. In order to improve the fire resistance of steel pipes, fire retardant coatings are sprayed on the outer surface of the steel pipes during the production process. The current common method is to place the steel pipes vertically and fixedly on a rotating platform for rotary spraying. For example, the patent publication number is CN214234639U, and the patent name is a technical solution disclosed in the patent for a uniform spraying device for the construction of fire retardant coatings on the surface of steel structures. However, this method is suitable for steel pipes of general specifications. When the steel pipe is long and has a large diameter, it is not convenient to place it vertically and drive it to rotate. Therefore, it is necessary to design a spraying device for the construction of fire retardant coatings on the surface of steel structures, which is convenient for uniform spraying of the outer surface of steel pipes with larger specifications. Utility Model Content

[0003] The utility model aims to provide a spraying device for applying fire retardant coating on the surface of steel structure, which is convenient for spraying the outer surface of steel pipe with larger specifications evenly.

[0004] The technical solution adopted by the utility model is:

[0005] A spraying device for the construction of fire-retardant coating on the surface of a steel structure comprises a base plate, a placing device is installed on the base plate, the placing device comprises two vertical plates arranged along the length direction of the base plate and capable of adjusting the interval, a placing rod capable of adjusting the height is detachably fixed on the inner side of the vertical plates; a spraying assembly capable of moving along the length direction of the base plate is provided on the base plate, the spraying assembly comprises two vertical assembly plates, an upper fixed plate and a lower fixed plate are fixed between the two assembly plates, an annular spray pipe is provided between the upper fixed plate and the lower fixed plate, a plurality of spray heads arranged along the circumference thereof are fixed in the spray pipe, a material storage box and a spray pump are fixed on the top of the upper fixed plate, the inlet of the spray pump is connected to the material storage box, and the outlet of the spray pump is connected to the spray pipe; a walking mechanism is fixed to the bottom of the assembly plate, and a walking track cooperating with the walking mechanism and arranged along the length direction of the base plate is fixed on the base plate.

[0006] The top of the bottom plate is provided with a slide groove arranged along the length direction of the bottom plate, the bottom of the vertical plate is slidably connected in the slide groove, the side of the bottom plate is provided with a horizontal hole in a strip shape, the horizontal hole is connected to the slide groove, and the side of the vertical plate is fixed with a first screw rod, the outer end of the first screw rod extends outside the horizontal hole and is threadedly connected with a first locking nut.

[0007] A strip-shaped vertical hole is arranged on the side of the vertical plate, a second screw rod is fixed to the outer end of the placement rod, and the outer end of the second screw rod extends out of the vertical hole and is threadedly connected with a second locking nut.

[0008] The walking mechanism includes a walking beam with an open bottom, a walking wheel that is rotatably connected to the walking beam and cooperates with the walking track, and a driving motor that is fixed to the outside of the walking beam and is transmission-connected to the walking wheel; a mounting plate is fixed to the bottom of the assembly plate, and the mounting plate is detachably fixed to the top of the walking beam by bolts.

[0009] An upper fixing rod is fixed to the top of the spray pipe, an upper fixing block is fixed to the top of the upper fixing rod, and the upper fixing block is detachably fixed to the bottom of the upper fixing plate; a lower fixing rod is fixed to the bottom of the spray pipe, a lower fixing block is fixed to the bottom of the lower fixing rod, and the lower fixing block is detachably fixed to the top of the lower fixing plate.

[0010] A top cover is detachably fixed on the top of the material storage box, a feed pipe is fixed on the top cover, and a sealing cover is detachably fixed on the top of the feed pipe.

[0011] The utility model is convenient for uniformly spraying the outer surface of a steel pipe with larger specifications, wherein a placing device is installed on a bottom plate for placing the steel pipe to be processed, the placing device comprises two vertical plates which are arranged along the length direction of the bottom plate and can adjust the interval, so that the interval between the two vertical plates can be adjusted according to the length of the steel pipe, and a placing rod with adjustable height is detachably fixed on the inner side of the vertical plate, so that the height of the placing rod can be adjusted according to the diameter of the steel pipe, and the placing rod is used to be inserted into the steel pipe and fit the top of the inner wall of the steel pipe to support the steel pipe, and a spraying assembly which can move along the length direction of the bottom plate is provided on the bottom plate, so as to move along the length direction of the steel pipe to be processed and spray the outer surface thereof uniformly, and a spray pump of the spraying assembly is used to transport the fire retardant coating in the storage box to the spray pipe and spray it from the spray head to spray the outer surface of the steel pipe to be processed, and a walking mechanism is fixed to the bottom of the assembly plate, so that the walking mechanism can run along the walking track on the bottom plate and spray the outer surface of the steel pipe to be processed from left to right in sequence. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the structure of the spraying assembly;

[0014] Figure 3 It is a schematic diagram of the local structure of the placement device (I);

[0015] Figure 4 This is a schematic diagram of the local structure of the placement device (II). DETAILED DESCRIPTION

[0016] like Figure 1-Figure 4 As shown, a spraying device for applying fire retardant coating on the surface of a steel structure comprises a base plate 1, on which a placing device is installed for placing a steel pipe 7 to be processed, the placing device comprises two vertical plates 6 which are arranged along the length direction of the base plate 1 and can adjust the interval, so that the interval between the two vertical plates 6 can be adjusted according to the length of the steel pipe 7, and a placing rod 10 which can adjust the height can be detachably fixed on the inner side of the vertical plate 6, so that the height of the placing rod 10 can be adjusted according to the diameter of the steel pipe 7, and the placing rod 10 is used to be inserted into the steel pipe 7 and fit with the top of the inner wall of the steel pipe 7 to support the steel pipe 7; a spraying assembly 11 which can move along the length direction of the base plate 1 is provided on the base plate 1, so as to move along the length direction of the steel pipe 7 to be processed and spray its outer surface evenly, and the spraying assembly 11 comprises two vertical An assembly plate 17, an upper fixed plate 22 and a lower fixed plate 16 are fixed between the two assembly plates 17, an annular spray pipe 18 is provided between the upper fixed plate 22 and the lower fixed plate 16, a plurality of spray heads 19 arranged along its circumference are fixed in the spray pipe 18, a storage box 25 and a spray pump 23 are fixed on the top of the upper fixed plate 22, the storage box 25 is used to store fire retardant coating, the inlet of the spray pump 23 is connected with the storage box 25, and the outlet of the spray pump 23 is connected with the spray pipe 18, the spray pump 23 is used to transport the fire retardant coating in the storage box 25 to the spray pipe 18 and spray it from the spray head 19 to spray the outer surface of the steel pipe 7 to be processed; a walking mechanism is fixed to the bottom of the assembly plate 17, and a walking track 5 that cooperates with the walking mechanism and is arranged along the length direction of the bottom plate 1 is fixed on the bottom plate 1.

[0017] The top of the bottom plate 1 is provided with a slide groove arranged along the length direction of the bottom plate 1, and the bottom of the vertical plate 6 is slidably connected in the slide groove, so as to facilitate the left-right movement of the vertical plate 6 and adjust the interval between the two vertical plates 6. The side of the bottom plate 1 is provided with a horizontal hole 2 in the shape of a strip, and the horizontal hole 2 is connected with the slide groove. The side of the vertical plate 6 is fixed with a first screw rod 3, and the outer end of the first screw rod 3 extends to the outside of the horizontal hole 2 and is threadedly connected with a first locking nut 4. When the vertical plate 6 slides along the slide groove, after the first screw rod 3 moves to a suitable position along the horizontal hole 2, the first locking nut 4 is tightened, and the first locking nut 4 is pressed against the side of the bottom plate 1 to lock the position of the first screw rod 3, that is, the position of the vertical plate 6 is locked.

[0018] A strip-shaped vertical hole 30 is provided on the side of the vertical plate 6, and a second screw rod 8 is fixed to the outer end of the placement rod 10. The outer end of the second screw rod 8 extends to the outside of the vertical hole 30 and is threadedly connected with a second locking nut 9. When the height of the placement rod 10 needs to be adjusted, the second locking nut 9 is loosened, and the placement rod 10 is moved to a suitable position, and then the second locking nut 9 is tightened. The second locking nut 9 is pressed against the outer side of the vertical plate 6 to lock the position of the second screw rod 8, that is, the position of the placement rod 10 is locked.

[0019] The walking mechanism includes a walking beam 14 with an open bottom, and a walking wheel 12 that cooperates with the walking track 5 is rotatably connected inside the walking beam 14. A driving motor 13 that is transmission-connected to the walking wheel 12 is fixed to the outer side of the walking beam 14, and the driving motor 13 is used to drive the walking wheel 12 to run along the walking track 5; a mounting plate 15 is fixed to the bottom of the assembly plate 17, and the mounting plate 15 is detachably fixed to the top of the walking beam 14 by bolts, which is easy to install and disassemble.

[0020] An upper fixing rod 20 is fixed to the top of the spray pipe 18, and an upper fixing block 21 is fixed to the top of the upper fixing rod 20. The upper fixing block 21 can be detachably fixed to the bottom of the upper fixing plate 22; a lower fixing rod 28 is fixed to the bottom of the spray pipe 18, and a lower fixing block 29 is fixed to the bottom of the lower fixing rod 28. The lower fixing block 29 can be detachably fixed to the top of the lower fixing plate 16, which is convenient for installation and disassembly. When the diameter of the steel pipe 7 to be processed changes greatly, it is convenient to replace the appropriate spray pipe 18 according to needs.

[0021] A top cover 24 is detachably fixed on the top of the storage box 25 for easy installation and removal. A feed pipe 27 is fixed on the top cover 24 for easy addition of fire retardant coating from the feed pipe 27. A sealing cover 26 is detachably fixed on the top of the feed pipe 27 for sealing.

[0022] The utility model is convenient for uniformly spraying the outer surface of a steel pipe 7 with larger specifications. Before use, the two placement rods 10 are adjusted to a suitable height according to the diameter of the steel pipe 7 to be processed. When in use, the position of one of the vertical plates 6 can be relatively unchanged, one end of the steel pipe 7 to be processed is set on the inner side of the vertical plate 6, the placement rod 10 on the vertical plate 6 is set in the steel pipe 7 to be processed, and then the other vertical plate 6 is moved to a suitable position, so that the placement rod 10 on it is inserted from the other end of the steel pipe 7 to be processed, and then the corresponding first locking nut 4 is tightened, and the two placement rods 10 are fixed to the inner side of the vertical plate 6. It fits with the top of the inner wall of the steel pipe 7 to support the steel pipe 7. The positions of the two vertical plates 6 can also be adjusted simultaneously as needed. If necessary, in order to prevent the steel pipe 7 from moving, the position of the vertical plate 6 can be adjusted so that the inner side of the vertical plate 6 is in tight contact with the end of the steel pipe 7 to be processed; when the steel pipe 7 to be processed is put in place, the drive motor 13 and the spray pump 23 are energized to work, the drive motor 13 drives the walking wheel 12 to run along the walking track 5, and the spray pump 23 transports the fire retardant coating in the storage box 25 to the spray pipe 18 and sprays it out from the spray head 19 to spray the outer surface of the steel pipe 7 to be processed.

[0023] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A spraying device for applying fire retardant coating on the surface of a steel structure, comprising a bottom plate, characterized in that: A placing device is installed on the base plate, and the placing device includes two vertical plates which are arranged along the length direction of the base plate and can adjust the interval between them. A placing rod with adjustable height is detachably fixed on the inner side of the vertical plates; a spraying assembly which can move along the length direction of the base plate is provided on the base plate, and the spraying assembly includes two vertical assembly plates, an upper fixed plate and a lower fixed plate are fixed between the two assembly plates, and an annular spray pipe is provided between the upper fixed plate and the lower fixed plate, and a plurality of spray heads arranged along the circumference thereof are fixed in the spray pipe, and a material storage box and a spray pump are fixed on the top of the upper fixed plate, the inlet of the spray pump is connected with the material storage box, and the outlet of the spray pump is connected with the spray pipe; a walking mechanism is fixed on the bottom of the assembly plate, and a walking track which cooperates with the walking mechanism and is arranged along the length direction of the base plate is fixed on the base plate.

2. The spraying device for applying fire retardant coating on the surface of steel structure as claimed in claim 1, characterized in that: The top of the bottom plate is provided with a slide groove arranged along the length direction of the bottom plate, the bottom of the vertical plate is slidably connected in the slide groove, the side of the bottom plate is provided with a horizontal hole in a strip shape, the horizontal hole is connected to the slide groove, and the side of the vertical plate is fixed with a first screw rod, the outer end of the first screw rod extends outside the horizontal hole and is threadedly connected with a first locking nut.

3. The spraying device for applying fire retardant coating on the surface of steel structure as claimed in claim 1, characterized in that: A strip-shaped vertical hole is arranged on the side of the vertical plate, a second screw rod is fixed to the outer end of the placement rod, and the outer end of the second screw rod extends out of the vertical hole and is threadedly connected with a second locking nut.

4. The spraying device for applying fire retardant coating on the surface of steel structure as claimed in claim 1, characterized in that: The walking mechanism includes a walking beam with an open bottom, a walking wheel that is rotatably connected to the walking beam and cooperates with the walking track, and a driving motor that is fixed to the outside of the walking beam and is transmission-connected to the walking wheel; a mounting plate is fixed to the bottom of the assembly plate, and the mounting plate is detachably fixed to the top of the walking beam by bolts.

5. The spraying device for applying fire retardant coating on the surface of steel structure as claimed in claim 1, characterized in that: An upper fixing rod is fixed to the top of the spray pipe, an upper fixing block is fixed to the top of the upper fixing rod, and the upper fixing block is detachably fixed to the bottom of the upper fixing plate; a lower fixing rod is fixed to the bottom of the spray pipe, a lower fixing block is fixed to the bottom of the lower fixing rod, and the lower fixing block is detachably fixed to the top of the lower fixing plate.

6. The spraying device for applying fire retardant coating on the surface of steel structure as claimed in claim 1, characterized in that: A top cover is detachably fixed on the top of the material storage box, a feed pipe is fixed on the top cover, and a sealing cover is detachably fixed on the top of the feed pipe.

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