Spraying equipment and spraying method for fireproof coating of steel structure

Abstract

The invention relates to spraying equipment and a spraying method for a fireproof coating of a steel structure, and the spraying equipment comprises a spraying assembly which is used for surrounding the steel structure and spraying the steel structure; the adjusting assembly is used for adjusting the spraying assembly to enable the spraying assembly to be horizontal or vertical, and the spraying assembly is installed on the adjusting assembly; and the walking assembly is used for loading and lifting the adjusting assembly, and the spraying assembly and the adjusting assembly are installed on the walking assembly. By arranging the spraying claw with the adjustable opening and closing degree, opening and closing of the spraying claw can be adjusted according to changes of the section size of a steel structure profile in the construction process, it is ensured that the air spraying gun is always centered and aligned to the surface of a steel structure, manual intervention is reduced, and the operation safety and the overall construction quality of a fireproof coating are improved; the gas spray gun is fixed to the spraying claw, so that rotary spraying around the steel structure is achieved, fireproof coating construction in all directions of the surface of the steel structure is completed at a time, the problem that traditional equipment needs to adjust the spraying direction many times is solved, and the construction efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of structural spraying technology, in particular to a spraying device and spraying method for steel structure fireproof coating. BACKGROUND

[0002] In the steel structure construction site, in order to improve the fire resistance, the fireproof coating needs to be sprayed on the surface of the steel structure. The existing technology generally adopts manual spraying mode, which not only consumes time and effort, but also has low construction efficiency and poor spraying uniformity, and is easily affected by human factors, so that the thickness and uniformity of the fireproof coating are difficult to guarantee, thereby reducing the stability of the coating construction quality.

[0003] At the same time, the operator needs to ride a bending arm vehicle to perform spraying operation in the air, which has high labor intensity and complex working environment, further increasing the safety risk in the construction process. SUMMARY

[0004] In view of the above problems, the present application provides a spraying device and spraying method for steel structure fireproof coating, which is simple in structure and convenient to use.

[0005] The specific technical solutions are as follows: The first aspect of the present application provides a spraying device for steel structure fireproof coating, comprising: a spraying assembly for surrounding and spraying the steel structure; an adjusting assembly for adjusting the spraying assembly to be horizontal or vertical, the spraying assembly being installed on the adjusting assembly; and a walking assembly for loading and lifting the adjusting assembly, the spraying assembly and the adjusting assembly being installed on the walking assembly.

[0006] Further, the spraying assembly comprises a spraying seat, a first spraying claw and a second spraying claw, the first spraying claw and the second spraying claw being installed on the spraying seat, and a gas spraying gun being installed on the first spraying claw and the second spraying claw.

[0007] Further, the spraying seat is provided with a first driving motor and a second driving motor, and one end of the first spraying claw and the second spraying claw is correspondingly installed on the output shaft of the first driving motor and the second driving motor.

[0008] Further, the gas spraying gun is located on the opposite side wall of the first spraying claw and the second spraying claw.

[0009] Further, the adjusting assembly comprises a first adjusting plate, a second adjusting plate, a telescopic first adjusting rod and a telescopic second adjusting rod, both ends of the first adjusting rod and the second adjusting rod being correspondingly installed on the first adjusting plate and the second adjusting plate, and the spraying seat being installed on the first adjusting plate.

[0010] Further, the walking assembly comprises a walking vehicle and a lifting arm, the bottom of the lifting arm is installed on the walking vehicle, and the second adjusting plate is installed on the top of the lifting arm.

[0011] Further, a storage tank is installed on the walking vehicle, and the storage tank is communicated with the air spray gun through a connecting hose.

[0012] Further, a Mecanum wheel is installed at the bottom of the walking vehicle.

[0013] A second aspect of the present application provides a spraying method for a fireproof coating of a steel structure, comprising: The walking vehicle body walks, and the equipment is transported to a place to be constructed; The first adjusting plate and the second adjusting plate act to adjust the spraying seat and the spraying claws thereon to be horizontal; The first spraying claw and the second spraying claw act and surround the periphery of the steel structure to be constructed; The air spray gun acts and sprays the fireproof coating on the vertical steel structure.

[0014] Further, the spraying device further comprises: The first adjusting rod and the second adjusting rod act to adjust the spraying claws to be vertical; The first spraying claw and the second spraying claw act and surround the periphery of the steel structure to be constructed; The air spray gun acts and sprays the fireproof coating on the horizontal steel structure.

[0015] The above-mentioned scheme has the following beneficial effects: 1) In the present application, the spraying claws with adjustable opening and closing size are arranged, so that the opening and closing of the spraying claws are adjusted according to the changes of the sectional size of the steel structure profile during the construction process, the air spray gun is always centered and aligned with the surface of the steel structure, manual intervention is reduced, the operation safety and the overall quality of the fireproof coating construction are improved; 2) In the present application, the air spray gun is fixed on the spraying claw, so that 360-degree rotary spraying around the steel structure is realized, that is, the fireproof coating construction of the surface of the steel structure in all directions is completed at one time, the problem that the traditional equipment needs to be adjusted multiple times is avoided, and the construction efficiency is greatly improved; 3) The equipment provided in the present application is equipped with a walking vehicle and a lifting arm, which can realize the translation and height adjustment of the equipment in the construction site, adapt to steel structure members with different heights and different shapes, and realize continuous, efficient and full-coverage spraying operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the spraying device provided in the embodiments of the present application; Figure 2 It is a structural schematic view of the adjusting assembly provided in the embodiments of the present application; In the drawings: 1, spraying seat; 2, first spraying claw; 3, second spraying claw; 4, air spray gun; 5, first driving motor; 6, second driving motor; 7, first adjusting plate; 8, second adjusting plate; 9, first adjusting rod; 10, second adjusting rod; 11, walking vehicle; 12, lifting arm; 13, storage tank. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0018] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0019] The present application will be further described below with reference to the drawings and specific embodiments, but is not limited to the present application.

[0020] As shown in Figure 1 , Figure 2 , the spraying device provided in the embodiments of the present application comprises a spraying assembly, an adjusting assembly and a walking assembly; the spraying assembly is used for spraying around a steel structure; the adjusting assembly is used for adjusting the spraying assembly to be horizontal or vertical, and the spraying assembly is installed on the adjusting assembly; the walking assembly is used for loading and lifting the adjusting assembly, and the spraying assembly and the adjusting assembly are installed on the walking assembly.

[0021] As shown in Figure 1 , as a specific example, the spraying assembly comprises a spraying seat 1, a first spraying claw 2 and a second spraying claw 3, the first spraying claw 2 and the second spraying claw 3 are rotatably installed on the spraying seat 1 (the first driving motor 5 and the second driving motor 6 are installed on the spraying seat 1, and one end of the first spraying claw 2 and the second spraying claw 3 is correspondingly installed on the output shaft of the first driving motor 5 and the second driving motor 6), and the air spray gun 4 is installed on the opposite side wall of the first spraying claw 2 and the second spraying claw 3; under the above structure, when the device is transported to the position to be constructed, the first spraying claw 2 and the second spraying claw 3 are rotated and located at the periphery of the steel structure, so as to ensure that the air spray gun 4 on the spraying claw is always centered and aligned with the surface of the steel structure, and then the steel structure is sprayed with fireproof coating under the driving of the adjusting assembly and / or the walking assembly; the above mode reduces manual intervention, improves the operation safety and the overall quality of the fireproof coating construction.

[0022] As shown in Figure 1 , Figure 2As shown, as a specific example, the adjusting assembly includes a first adjusting plate 7, a second adjusting plate 8, a telescopic first adjusting rod 9, a telescopic second adjusting rod 10, both ends of the first adjusting rod 9 and the second adjusting rod 10 are correspondingly rotatably installed on the first adjusting plate 7 and the second adjusting plate 8, and the spraying seat 1 is installed on the first adjusting plate 7; under the above structure, when the first adjusting rod 9 and the second adjusting rod 10 are adjusted to be equal in length, the spraying claws on the spraying seat 1 are in a horizontal state, so that the horizontal spraying claws are used to spray fireproof paint on vertical steel structures; when the first adjusting rod 9 and the second adjusting rod 10 are adjusted to make the spraying claws on the spraying seat 1 nearly in a vertical state (this state can also be realized with the cooperation of the lifting arm 12), the vertical spraying claws can be used to spray fireproof paint on horizontal steel structures.

[0023] As shown, Figure 1 As shown, as a specific example, the walking assembly includes a walking vehicle 11 and a telescopic lifting arm 12, the bottom of the lifting arm 12 is rotatably installed on the walking vehicle 11, and the second adjusting plate 8 is rotatably installed on the top of the lifting arm 12; under the above structure, the walking vehicle 11 is provided with a storage tank 13, the storage tank 13 is communicated with the air spray gun 4 through a connecting hose, and in the present application, corresponding structures are loaded on the walking vehicle 11 to realize efficient scene switching of the equipment. In the present application, the walking and / or extension of the lifting arm 12 of the walking vehicle 11 can be used to realize the translation and height adjustment of the spraying assembly in the construction site, so as to adapt to steel structure members of different heights and different shapes, and realize continuous, efficient and full-coverage spraying operation.

[0024] In the present application, a Mecanum wheel can be installed at the bottom of the walking vehicle 11 to realize omnidirectional walking of the walking vehicle 11 and improve the spraying efficiency of the equipment in complex environments.

[0025] The spraying method of the above-mentioned equipment in the present application comprises: The walking vehicle 11 walks and transports the equipment to the place to be constructed; The first adjusting plate 7 and the second adjusting plate 8 act to adjust the spraying seat 1 and the spraying claws thereon to be horizontal; The first spraying claw 2 and the second spraying claw 3 act and surround the periphery of the steel structure to be constructed; The air spray gun 4 acts and sprays fireproof paint on the vertical steel structure; or The first adjusting rod 9 and the second adjusting rod 10 act to adjust the spraying claws to be in a vertical state; The first spraying claw 2 and the second spraying claw 3 act and surround the periphery of the steel structure to be constructed; The air spray gun 4 acts and sprays fireproof paint on the horizontal steel structure.

[0026] The above merely preferred embodiments of the present application and are not intended to limit the embodiments and protection scope of the present application. Those skilled in the art should be able to understand that any equivalent substitutions and obvious changes made according to the present application description and drawings should be included in the protection scope of the present application.

Claims

1. Spraying equipment for fire retardant coating of steel structure, characterized in that, include: a spray assembly for surrounding and spraying the steel structure; An adjusting assembly, used for adjusting the spraying assembly to make it horizontal or vertical, the spraying assembly being mounted on the adjusting assembly; as well as The walking assembly is used for carrying and lifting the adjusting assembly. The spraying assembly and the adjusting assembly are installed on the walking assembly.

2. The spraying equipment for fire retardant coating of steel structure according to claim 1, characterized in that: The spraying assembly includes a spraying seat, a first spraying claw, and a second spraying claw. The first spraying claw and the second spraying claw are installed on the spraying seat. The first spraying claw and the second spraying claw are installed with air spray guns.

3. The spraying equipment for fire retardant coating of steel structure according to claim 2, characterized in that: The spraying seat is equipped with a first drive motor and a second drive motor, and one end of the first spraying claw and the second spraying claw are correspondingly installed on the output shafts of the first drive motor and the second drive motor.

4. The spraying equipment for fire retardant coating of steel structure according to claim 2 or 3, characterized in that: The air spray gun is located on a side wall opposite to the first spray claw and the second spray claw.

5. The spraying equipment for fire retardant coating of steel structure according to claim 2, characterized in that: The adjustment assembly includes a first adjustment plate, a second adjustment plate, a telescopic first adjustment rod, and a telescopic second adjustment rod. The two ends of the first adjustment rod and the second adjustment rod are correspondingly installed on the first adjustment plate and the second adjustment plate, and the spray seat is installed on the first adjustment plate.

6. The spraying equipment for fire retardant coating of steel structure according to claim 5, characterized in that: The traveling assembly includes a traveling vehicle and a lifting arm. The bottom of the lifting arm is installed on the traveling vehicle, and the second adjusting plate is installed on the top of the lifting arm.

7. The spraying equipment for fire retardant coating of steel structure according to claim 6, characterized in that: A material storage tank is installed on the traveling vehicle, and the material storage tank is communicated with the air spray gun through a connecting hose.

8. The spraying equipment for fire retardant coating of steel structure according to claim 6 or 7, characterized in that: Mecanum wheels are installed on the bottom of the traveling vehicle.

9. A method for spraying fire retardant coating on steel structures, characterized in that: The device for fire retardant coating of steel structure according to any one of claims 6 to 8 comprises: The traveling vehicle moves to transport the equipment to the construction site; The first adjustment plate and the second adjustment plate are moved to adjust the spray seat and the spray claws thereon to a level; The first spraying claw and the second spraying claw move and surround the periphery of the steel structure to be constructed; The air spray gun is operated to spray fire retardant paint on the vertical steel structure.

10. The spraying method for fire retardant coating of steel structure according to claim 9, characterized in that: Also includes: The first adjusting rod and the second adjusting rod are actuated to adjust the spraying claw to a vertical state; The first spraying claw and the second spraying claw move and surround the periphery of the steel structure to be constructed; The air spray gun is operated to spray fire retardant coating on the horizontal steel structure.

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