Fire retardant coating smearing thickness control device and method for box type steel component

Abstract

The invention discloses a box-type steel member fireproof coating smearing thickness control device and a method thereof.The box-type steel member fireproof coating smearing thickness control device comprises two wall attaching plates which are magnetically attracted to the two opposite sides of a box-type steel member correspondingly, first scale marks are arranged on the lower portions of the wall attaching plates, and the lower portions of the wall attaching plates extend to the positions below the bottom wall of the box-type steel member; the upper portions of the two wall attaching plates extend back to back to form bearing plates, and second scale marks are arranged on the bearing plates in the width direction of the bearing plates. The level gauge is mounted on the supporting plate; the movable base plate is adjustably installed on the supporting plate in the width direction of the supporting plate, a sliding groove is formed in the side, close to the box-shaped steel component, of the movable base plate, and the sliding groove is formed in the length direction of the supporting plate; and the lower end of the scraping plate is movably and detachably inserted into the sliding groove in the length direction of the sliding groove. The method solves the problems that an existing method for controlling the spraying thickness of the fireproof coating of the box-shaped steel component is long in construction time and not high in precision control.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a device and method for controlling the thickness of fire retardant coating applied to a box-shaped steel component. Background Art

[0002] Box-type steel components are widely used in construction projects, but the thickness control of fire retardant coatings on site has always been a key and difficult point. Traditional thickness control is to manually bend a steel wire strip that meets the thickness in advance, apply fire retardant coatings first during construction, and then insert the pre-bent steel wire strip to verify whether the thickness is in place. The entire process requires back and forth insertion and verification, which takes a long time to construct, has low precision control, and has no quality assurance for thickness control. In addition, steel wire strips of different lengths need to be bent for different thicknesses of fire retardant coatings, which has poor applicability. Summary of the invention

[0003] In order to overcome the defects of the prior art, a device and method for controlling the thickness of fire retardant coating for box-type steel components are provided to solve the problems of long construction time and low precision control in the existing method for controlling the thickness of fire retardant coating for box-type steel components.

[0004] In order to achieve the above-mentioned purpose, a device for controlling the thickness of fire retardant coating applied to a box-shaped steel member is provided, comprising:

[0005] Two siding plates, the two siding plates are magnetically attached to opposite sides of the box-shaped steel member, the lower part of the siding plate is provided with a first scale line, the lower part of the siding plate extends to the bottom of the bottom wall of the box-shaped steel member, the exposed length of the lower part of the siding plate is adapted to the coating thickness of the fire retardant coating, the upper parts of the two siding plates are respectively extended in reverse to form a supporting plate, the supporting plate is provided with a second scale line, and the second scale line is arranged along the width direction of the supporting plate;

[0006] A level, mounted on the support plate;

[0007] A movable base plate is adjustably mounted on the support plate along the width direction of the support plate, a slide groove is formed on one side of the movable base plate close to the box-shaped steel member, and the slide groove is arranged along the length direction of the support plate;

[0008] A scraper, the lower end of which is detachably inserted into the slide groove and movable along the length direction of the slide groove, and the distance from the scraper to the side wall of the box-shaped steel member is adapted to the coating thickness.

[0009] Furthermore, the wall-attached plate is provided with a plurality of through holes, and magnetic suction parts are detachably inserted into the through holes, and the magnetic suction parts are magnetically adsorbed to the side walls of the box-shaped steel member.

[0010] Furthermore, the level is a bubble level.

[0011] Furthermore, two ends of the movable base plate and two ends of the supporting plate are clamped together by clamps respectively.

[0012] Furthermore, the fixture comprises:

[0013] An elastic bow plate, wherein the elastic bow plate is arc-shaped, and an inner arc surface of the elastic bow plate is attached to the end surface of the movable base plate and the end surface of the support plate;

[0014] The clamping plates are connected to the two opposite ends of the elastic bow plate in the arc direction, and the two clamping plates are pressed against the opposite sides of the movable base plate and the supporting plate.

[0015] The present invention provides a method for controlling the thickness of fire retardant coating applied to a box-shaped steel component by using a fire retardant coating thickness control device for a box-shaped steel component, comprising the following steps:

[0016] The two siding plates are magnetically attached to the opposite sides of the box-shaped steel member, and the positions of the siding plates are adjusted so that the exposed length of the lower part of the siding plates is adapted to the coating thickness of the fire retardant coating and the support plate is set horizontally;

[0017] Adjusting the position of the movable base plate on the support plate along the width direction of the support plate so that the distance from the scraper to the side wall of the box-shaped steel member is adapted to the coating thickness;

[0018] Applying fire retardant coating on the bottom wall of the box-shaped steel member;

[0019] Pulling the scraper out of the chute;

[0020] Place the hanging plate against the bottom of the two wall plates, and scrape the fire retardant coating on the bottom wall of the box-shaped steel member along the length direction of the box-shaped steel member;

[0021] Then, applying fire retardant coating on the side wall of the box-shaped steel member;

[0022] The lower end of the hanging plate is inserted into the slide groove, and the scraper is pushed to make the scraper flatten the fire retardant coating on the side wall of the box-shaped steel component along the length direction of the box-shaped steel component.

[0023] The beneficial effect of the present invention is that when the fire retardant coating thickness control device for box-shaped steel components of the present invention is used to control the fire retardant coating thickness of the box-shaped steel components, the length of the lower part of the siding plate exposed below the bottom wall of the box-shaped steel component is adjusted based on the thickness of the fire retardant coating, and the position of the movable base plate on the supporting plate is adjusted so that the distance from the scraper to the side wall of the box-shaped steel component is reduced. During construction, the fire retardant coating on the bottom wall and side wall of the box-shaped steel component is scraped flat by the scraper, and the fire retardant coating thickness is quickly detected and accurately controlled, and the device and the box-shaped steel component can be checked to see if they are level. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0025] Figure 1 It is a structural schematic diagram of a device for controlling the thickness of fire retardant coating applied to box-type steel components according to an embodiment of the present invention.

[0026] Figure 2 This is a structural schematic diagram of one end of a device for controlling the thickness of fire retardant coating applied to a box-type steel component according to an embodiment of the present invention.

[0027] Figure 3 It is a partially enlarged schematic diagram of a device for controlling the thickness of fire retardant coating applied to a box-type steel component according to an embodiment of the present invention.

[0028] Figure 4 It is a schematic structural diagram of a wall-attached plate according to an embodiment of the present invention.

[0029] Figure 5 Schematic diagram of the structure of a scraper according to an embodiment of the present invention. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] Reference Figures 1 to 5 As shown, the present invention provides a device for controlling the thickness of fire retardant coating applied on box-type steel components, comprising: a wall plate 1, a level 2, a movable base plate 3 and a scraper 4.

[0033] There are two wall-attached boards 1. The wall-attached boards are in the shape of long strips. The board surfaces of the two wall-attached boards are arranged opposite to each other.

[0034] The two wall-attached plates 1 are magnetically attached to opposite sides of the box-shaped steel member 6. In this embodiment, magnetic attracting parts are installed on the wall-attached plates 1. The wall-attached plates are magnetically attached to the side walls of the box-shaped steel member on opposite sides through the magnetic attracting parts.

[0035] Combination Figure 3 and Figure 4 As shown, the lower part of the siding board 1 is provided with a first scale line 12. The first scale line is arranged in the vertical direction, that is, the first scale line is arranged in the height direction of the box-shaped steel member. The lower part of the siding board 1 extends below the bottom wall of the box-shaped steel member 6. The exposed length of the lower part of the siding board 1 is adapted to the coating thickness of the fire retardant coating.

[0036] The upper parts of the two siding plates 1 extend back to back to form support plates 11. In this embodiment, the siding plates and the support plates are integrally formed and are in an inverted L shape. The support plates 11 are provided with second scale lines 13. The second scale lines 13 are arranged along the width direction of the support plates 11, and the second scale lines are arranged along the thickness direction of the box-shaped steel member.

[0037] The level 2 is mounted on the support plate 11. The level is used to determine whether the support plate is arranged in a horizontal posture.

[0038] As a preferred embodiment, the level 2 is a bubble level.

[0039] The movable base plate 3 is mounted on the support plate 11 in an adjustable position along the width direction of the support plate 11. A slide groove 30 is formed on one side of the movable base plate 3 close to the box-shaped steel member 6. The slide groove 30 is arranged along the length direction of the support plate 11.

[0040] The lower end of the scraper 4 is detachably inserted into the chute, and the scraper can be moved along the length direction of the chute 30 and arranged in the chute 30. The distance from the scraper 4 to the side wall of the box-shaped steel member 6 is adapted to the coating thickness.

[0041] See also Figure 1 and Figure 2 As shown, in this embodiment, the wall-attached plate 1 is provided with a plurality of through holes. A magnetic attraction member 14 is detachably inserted into the through holes. The magnetic attraction member 14 is magnetically attracted to the side wall of the box-shaped steel member 6.

[0042] As a preferred implementation, the magnetic attraction member is a permanent magnet.

[0043] See also Figure 2 As shown, two ends of the movable base plate 3 and two ends of the support plate 11 are clamped together by clamps 5 respectively.

[0044] Specifically, the clamp 5 includes an elastic bow plate 51 and a clamping plate 52 .

[0045] The elastic bow plate 51 is arc-shaped, and the inner arc surface of the elastic bow plate 51 is in contact with the end surface of the movable base plate 3 and the end surface of the support plate 11 .

[0046] There are two clamping plates 52. The two opposite ends of the elastic bow plate 51 in the arc direction are respectively connected with the clamping plates 52. The two clamping plates 52 are respectively pressed against the opposite sides of the movable base plate 3 and the support plate 11.

[0047] The fire retardant coating thickness control device for box-type steel components of the present invention has a 2m wall plate with a self-contained scale and a level or spirit level, the maximum scale is 5cm, and 3 square openings are reserved on the wall plate to facilitate the rapid fixation of the magnetic suction piece (strong magnet) fixing device. During construction, the thickness of the fire retardant coating can be freely adjusted according to the self-contained scales on the wall plate and the support plate, the thickness of the fire retardant coating can be accurately controlled, and the device and the box-type steel component can be checked to see if they are level. A movable base plate with adjustable position is provided on the support plate, and a slide groove is provided on the movable base plate to facilitate the insertion and sliding of the scraper, so as to carry out the final finishing of the fire retardant coating.

[0048] The device for controlling the thickness of fire-retardant coating applied on box-shaped steel components of the present invention can be circulated and reused.

[0049] The present invention provides a method for controlling the thickness of fire retardant coating applied to a box-shaped steel component by using a fire retardant coating thickness control device for a box-shaped steel component, comprising the following steps:

[0050] S1. Magnetically adsorb two siding plates 1 on opposite sides of the box-shaped steel member 6, and adjust the position of the siding plates 1 so that the exposed length of the lower part of the siding plates 1 is adapted to the coating thickness of the fire retardant coating and the support plate 11 is set horizontally.

[0051] S2. Adjust the position of the movable base plate 3 on the support plate 11 along the width direction of the support plate 11 so that the distance from the scraper 4 to the side wall of the box-shaped steel member 6 is adapted to the coating thickness.

[0052] S3. Apply fire retardant paint on the bottom wall of the box-shaped steel member 6.

[0053] S4, pulling the scraper 4 out of the chute 30.

[0054] S5. Place the hanging plate against the bottom of the two wall panels 1 and scrape the fire retardant coating on the bottom wall of the box-shaped steel member 6 along the length direction of the box-shaped steel member 6.

[0055] S6. Apply fire retardant paint on the side wall of the box-shaped steel member 6.

[0056] S7, insert the lower end of the hanging plate into the slide groove 30, and push the scraper 4 to make the scraper 4 scrape the fire retardant coating on the side wall of the box-shaped steel member 6 along the length direction of the box-shaped steel member 6.

[0057] When the fire retardant coating thickness control device for box-shaped steel components of the present invention is used to control the fire retardant coating thickness of the box-shaped steel components, the length of the lower part of the siding plate exposed below the bottom wall of the box-shaped steel component is adjusted based on the thickness of the fire retardant coating, and the position of the movable base plate on the support plate is adjusted so that the distance from the scraper to the side wall of the box-shaped steel component is reduced. During construction, the fire retardant coating on the bottom wall and side wall of the box-shaped steel component is scraped flat by the scraper, and the fire retardant coating thickness is quickly detected and accurately controlled, and the device and the box-shaped steel component can be checked to see if they are level.

[0058] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A device for controlling the thickness of fire retardant coating applied to box-shaped steel components, characterized in that: include: Two siding plates, the two siding plates are magnetically attached to opposite sides of the box-shaped steel member, the lower part of the siding plate is provided with a first scale line, the lower part of the siding plate extends to the bottom of the bottom wall of the box-shaped steel member, the exposed length of the lower part of the siding plate is adapted to the coating thickness of the fire retardant coating, the upper parts of the two siding plates are respectively extended in reverse to form a supporting plate, the supporting plate is provided with a second scale line, and the second scale line is arranged along the width direction of the supporting plate; A level, mounted on the support plate; A movable base plate is adjustably mounted on the support plate along the width direction of the support plate, a slide groove is formed on one side of the movable base plate close to the box-shaped steel member, and the slide groove is arranged along the length direction of the support plate; A scraper, the lower end of which is detachably inserted into the slide groove and movable along the length direction of the slide groove, and the distance from the scraper to the side wall of the box-shaped steel member is adapted to the coating thickness.

2. The device for controlling the thickness of fire retardant coating for box-shaped steel components according to claim 1 is characterized in that: The wall-attached plate is provided with a plurality of through holes, and magnetic attracting parts are detachably inserted into the through holes, and the magnetic attracting parts are magnetically adsorbed on the side wall of the box-shaped steel member.

3. The device for controlling the thickness of fire retardant coating for box-shaped steel structure according to claim 1 is characterized in that: The level is a bubble level.

4. The device for controlling the thickness of fire retardant coating for box-shaped steel structure according to claim 1 is characterized in that: The two ends of the movable base plate and the two ends of the supporting plate are clamped together by clamps respectively.

5. The device for controlling the thickness of fire retardant coating for box-shaped steel structure according to claim 4 is characterized in that: The fixture comprises: An elastic bow plate, wherein the elastic bow plate is arc-shaped, and an inner arc surface of the elastic bow plate is attached to the end surface of the movable base plate and the end surface of the support plate; The clamping plates are connected to the two opposite ends of the elastic bow plate in the arc direction, and the two clamping plates are pressed against the opposite sides of the movable base plate and the supporting plate.

6. A method for controlling the thickness of fire retardant coating applied to a box-shaped steel member using the device for controlling the thickness of fire retardant coating applied to a box-shaped steel member as claimed in any one of claims 1 to 5, characterized in that: The following steps are involved: The two siding plates are magnetically attached to the opposite sides of the box-shaped steel member, and the positions of the siding plates are adjusted so that the exposed length of the lower part of the siding plates is adapted to the coating thickness of the fire retardant coating and the support plate is set horizontally; Adjusting the position of the movable base plate on the support plate along the width direction of the support plate so that the distance from the scraper to the side wall of the box-shaped steel member is adapted to the coating thickness; Applying fire retardant coating on the bottom wall of the box-shaped steel member; Pulling the scraper out of the chute; Place the hanging plate against the bottom of the two wall plates, and scrape the fire retardant coating on the bottom wall of the box-shaped steel member along the length direction of the box-shaped steel member; Then, applying fire retardant coating on the side wall of the box-shaped steel member; The lower end of the hanging plate is inserted into the slide groove, and the scraper is pushed to make the scraper flatten the fire retardant coating on the side wall of the box-shaped steel component along the length direction of the box-shaped steel component.

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