Fireproof coating spraying equipment for steel structure

Abstract

The utility model provides fireproof coating spraying equipment for a steel structure. The equipment comprises a frame body; the bracket is arranged on the frame body and plays a supporting role; the lifting plate is arranged on the bracket in a manner of being capable of lifting along the height direction; the spraying mechanism is arranged on the lifting plate in a rotatable mode and used for conducting lifting adjustment along with the lifting plate so as to adjust the height position of spraying operation of the spraying mechanism, and the spraying mechanism can rotate relative to the lifting plate so as to adjust the spraying angle of the spraying operation of the spraying mechanism. The spraying mechanism is driven by the lifting plate to conduct lifting adjustment so as to adjust the spraying height of the spraying mechanism, and the spraying angle can be adjusted through rotation of the spraying mechanism so as to achieve spraying of a steel structure. Meanwhile, the spraying width can be conveniently adjusted, and steel structures with different widths can be conveniently sprayed; and the spraying height and angle are convenient to adjust.

Description

Technical Field

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

[0002] When installing steel structures, it is necessary to spray fire retardant coatings on the steel structures to improve the fire resistance of the steel structures. The existing fire retardant coating spraying equipment has only one nozzle, which results in a limited spraying width and cannot adjust the spraying width according to steel structures of different widths. Therefore, in view of the above situation, it is urgent to develop a steel structure fire retardant coating spraying equipment that is convenient for adjusting the spraying width and is convenient for spraying steel structures of different widths, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0003] In view of this, the utility model proposes a steel structure fire retardant coating spraying device, aiming to solve the problems raised in the above background technology.

[0004] The utility model proposes a steel structure fire retardant paint spraying device, which includes: a frame body; a bracket, which is arranged on the frame body and plays a supporting role; a lifting plate, which is arranged on the bracket in a manner that can be lifted and lowered along the height direction; a spraying mechanism, which is arranged on the lifting plate in a rotatable manner, is used to be lifted and lowered with the lifting plate to adjust the height position of the spraying operation of the spraying mechanism, and can be rotated relative to the lifting plate to adjust the spraying angle of the spraying operation of the spraying mechanism.

[0005] Furthermore, in the above-mentioned steel structure fire retardant paint spraying equipment, the spraying mechanism includes: a main body pipe; a feed pipe, which is connected to the storage bin of the main body pipe, and is used to input fire retardant paint into the storage bin of the main body pipe; a plurality of nozzles, which are respectively connected to the main body pipe, and each of the nozzles is arranged side by side along the length direction of the main body pipe, and is used to spray the fire retardant paint in the main body pipe; a spraying width adjustment component, which is arranged on the main body pipe, and is used to adjust the width of the storage bin, so as to adjust the number of nozzles connected to the storage bin, and then adjust the spraying width of the spraying operation.

[0006] Furthermore, in the above-mentioned steel structure fire retardant paint spraying equipment, the spray width adjustment component includes: two position adjustment members; wherein, the two position adjustment members are respectively arranged at the two ends of the main body tube in a positionally adjustable manner, and the two position adjustment members are placed on the end portions of the main body tube. A baffle is formed in the main body tube between the two baffles. By adjusting the position of the position adjustment member, the position of the baffle in the main body tube is adjusted, and then the distance between the two baffles is adjusted to achieve the adjustment of the width of the storage bin.

[0007] Furthermore, in the above-mentioned steel structure fire retardant coating spraying equipment, the position adjustment member is a threaded rod, which is threadedly connected to the end of the main body tube; the end of the position adjustment member placed outside the main body tube is provided with a screwing portion.

[0008] Furthermore, in the above-mentioned steel structure fire retardant coating spraying equipment, the lifting plate is connected to a lifting drive mechanism, which includes: a wire wheel, on which a transmission rope is provided, one end of which is wound around the wire wheel, and the other end is connected to the lifting plate; a first motor, whose power output end is connected to the wire wheel through a transmission shaft, and is used to drive the wire wheel to rotate, so as to adjust the winding of the transmission rope, thereby realizing the lifting and lowering adjustment of the lifting plate.

[0009] Furthermore, in the above-mentioned steel structure fire retardant paint spraying equipment, there are two wire wheels, both of which are arranged on the transmission shaft, and transmission ropes are provided on the two wire wheels, and the two transmission ropes are respectively connected to the two ends of the lifting plate.

[0010] Furthermore, in the above-mentioned steel structure fire retardant coating spraying equipment, the spraying mechanism is connected to an angle adjustment mechanism for driving the spraying mechanism to rotate.

[0011] Furthermore, in the above-mentioned steel structure fire retardant paint spraying equipment, the angle adjustment mechanism includes: a second motor; a gear transmission component, the power input end is connected to the power output end of the second motor, and the power output end is connected to the spraying mechanism, and is used to drive the spraying mechanism to rotate relative to the lifting plate under the drive of the second motor to achieve adjustment of the spraying angle.

[0012] Furthermore, in the above-mentioned steel structure fire retardant paint spraying equipment, a limiting guide rod is provided on the bracket, and a sliding sleeve is provided on the lifting plate, and the sliding sleeve can be slidably mounted on the limiting guide rod.

[0013] Furthermore, in the above-mentioned steel structure fire retardant paint spraying equipment, a material storage box is provided on the frame body, and a delivery pump is provided in the material storage box, which is connected to the spraying mechanism through a hose.

[0014] The steel structure fire retardant coating spraying equipment provided by the utility model drives the spraying mechanism to be lifted and lowered by the lifting plate to adjust the spraying height of the spraying mechanism, and the spraying angle can be adjusted by rotating the spraying mechanism to achieve spraying of the steel structure. At the same time, the equipment is convenient for adjusting the spraying width, which is convenient for spraying steel structures of different widths; and the spraying height and angle are convenient to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0016] Figure 1 A schematic diagram of the structure of a steel structure fire retardant coating spraying device provided by an embodiment of the utility model;

[0017] Figure 2 A schematic structural diagram of another direction of the steel structure fire retardant coating spraying equipment provided by the embodiment of the utility model;

[0018] Figure 3 A schematic diagram of the top position of a steel structure fire retardant coating spraying device provided by an embodiment of the utility model;

[0019] Figure 4 A schematic diagram of the structure of the spraying mechanism, angle adjustment mechanism, etc. in the steel structure fire retardant coating spraying equipment provided by the embodiment of the utility model;

[0020] Figure 5 A schematic diagram of the structure of the spraying mechanism in the steel structure fire retardant coating spraying equipment provided by the embodiment of the utility model;

[0021] Figure 6 A schematic diagram of the internal structure of a spraying mechanism in a steel structure fire retardant coating spraying device provided by an embodiment of the utility model;

[0022] Description of reference numerals:

[0023] 1-trolley; 2-bracket; 3-storage box; 4-lifting plate; 401-sliding sleeve; 5-limiting guide rod; 6-lifting drive mechanism; 601-first motor; 602-transmission shaft; 603-reel; 604-steel wire; 7-spraying mechanism; 701-main tube; 702-feeding tube; 703-nozzle; 704-threaded rod; 705-blocking piece; 8-angle adjustment mechanism; 801-second motor; 802-first gear; 803-second gear; 9-delivery pump; 10-hose; 11-mobile power supply; 12-box; 13-wireless remote control. DETAILED DESCRIPTION

[0024] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the absence of conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] Device Example:

[0026] See also Figures 1 to 3 , which is the preferred structure of the steel structure fire retardant coating spraying equipment provided by the embodiment of the utility model. As shown in the figure, the equipment includes: a frame body 1, a bracket 2, a material storage box 3, a lifting plate 4, a limit guide rod 5, a lifting drive mechanism 6, a spraying mechanism 7, an angle adjustment mechanism 8, a delivery pump 9 and a hose 10; wherein,

[0027] The bracket 2 is arranged on the frame body 1 to play a supporting role; the lifting plate 4 is arranged on the bracket 2 in a manner that can be raised and lowered along the height direction; the spraying mechanism 7 is arranged on the lifting plate 4 in a rotatable manner, and is used to be raised and lowered with the lifting plate 4 to adjust the height position of the spraying operation of the spraying mechanism 7, and can be rotated relative to the lifting plate 4 to adjust the spraying angle of the spraying operation of the spraying mechanism 7.

[0028] Specifically, the frame body 1 can be a trolley, and a bracket 2 is fixed on the frame body 1. A lifting plate 4 is arranged in the bracket 2. The lifting plate 4 is arranged on the bracket 2 in a manner of lifting and lowering in the height direction to drive the spraying mechanism 7, the angle adjustment mechanism 8, etc. to lift and lower, thereby adjusting the spraying height of the spraying operation of the spraying mechanism 7. A lifting drive mechanism 6 for driving the lifting plate 4 to move up and down is installed on the top of the bracket 2. The spraying mechanism 7 is installed on the lifting plate 4. The spraying mechanism 7 is arranged on the lifting plate 4 in a rotatable manner, and an angle adjustment mechanism 8 for driving the spraying mechanism 7 to rotate is installed on the lifting plate 4 to drive the spraying mechanism 7 to rotate, thereby adjusting the spraying angle of the spraying mechanism 7 for the spraying operation.

[0029] In this embodiment, a material storage box 3 is provided on the frame body 1, and a delivery pump 9 is provided in the material storage box 3, which is connected to the spraying mechanism 7 through a hose 10. Specifically, a material storage box 3 is installed on the trolley 1, and the material storage box 3 is used to store fire retardant paint. A delivery pump 9 is installed in the material storage box 3, and the delivery pump 9 is connected to the spraying mechanism 7 through a hose 10. A mobile power supply 11 and a box body 12 can also be installed on the frame body 1, and a wireless remote controller 13 is placed in the box body 12 for controlling the action components, such as being able to control the angle adjustment mechanism 8, the lifting drive mechanism 6, and the delivery pump 9 to achieve the adjustment and control of the spraying height and spraying angle of the spraying mechanism 7. The angle adjustment mechanism 8, the lifting drive mechanism 6 and the delivery pump 9 are all wirelessly connected to the wireless remote controller 13, which is convenient for control and use.

[0030] Continue to see Figure 3 , a limiting guide rod 5 is provided on the bracket 2, and a sliding sleeve 401 is provided on the lifting plate 4, and the sliding sleeve 401 is slidably mounted on the limiting guide rod 5. Specifically, a sliding sleeve 401 is fixed to both ends of the lifting plate 4, and two limiting guide rods 5 are fixed in the bracket 2, and each of the sliding sleeves 401 is slidably mounted on a limiting guide rod 5, so as to guide the lifting and lowering adjustment of the lifting plate 4.

[0031] Continue to see Figure 3 The lifting drive mechanism 6 includes: a first motor 601, a transmission shaft 602, a wire wheel 603 and a steel wire 604; wherein the wire wheel 603 is provided with a transmission rope 064, one end of which (such as Figure 3 The upper end shown in FIG. 1 is wound on the wire wheel 603, and the other end (as shown in FIG. Figure 3 The lower end shown in the figure is connected to the lifting plate 4; the power output end of the first motor 601 is connected to the wire wheel 603 through the transmission shaft 602, which is used to drive the wire wheel 603 to rotate to adjust the winding of the transmission rope 602, thereby realizing the lifting and lowering adjustment of the lifting plate 4.

[0032] Specifically, there are two wire wheels 603, both of which are arranged on the transmission shaft 6002, and the two wire wheels 603 are provided with transmission ropes 604, and the two transmission ropes 604 are respectively connected to the two ends of the lifting plate 4. The first motor 601 is fixed to the top of the bracket 2, the transmission shaft 602 is rotatably connected to the top of the bracket 2, the output shaft of the first motor 601 is connected to the transmission shaft 602, two wire wheels 603 are installed on the transmission shaft 602, each of the wire wheels 603 is installed with a steel wire 604, and the bottom of the steel wire 604 is fixed to the lifting plate 4. When in use, the transmission shaft 602 and the wire wheel 603 are driven to rotate by the first motor 601, and the steel wire 604 is driven to expand and contract by the rotation of the wire wheel 603, and the lifting plate 4 is driven to move up and down by the expansion and contraction of the steel wire 604, and the spraying mechanism 7 is driven to move up and down by the lifting plate 4, so as to adjust the spraying height of the spraying mechanism 7.

[0033] Continue to see Figure 4 The angle adjustment mechanism 8 includes: a second motor 802 and a gear transmission member; wherein the power input end of the gear transmission member is connected to the power output end of the second motor 802, and the power output end is connected to the spraying mechanism 7, and is used to drive the spraying mechanism 7 to rotate relative to the lifting plate 4 under the drive of the second motor 802 to achieve the adjustment of the spraying angle.

[0034] Specifically, the second motor 801 is fixed on the lifting plate 4, and a first gear 802 is installed on the output shaft of the second motor 801. A second gear 803 meshing with the first gear 802 is installed on one side of the first gear 802, and the second gear 803 is installed on the main tube 701 of the spraying mechanism 7. When in use, the first gear 802 and the second gear 803 are driven to rotate by the second motor 801, and the main tube 701 and the nozzle 703 of the spraying mechanism 7 are driven to rotate by the second gear 803, thereby adjusting the spraying angle of the nozzle 703.

[0035] Continue to see Figure 5 and Figure 6 The spraying mechanism 4 includes: a main body tube 401, a feed tube 702, a nozzle 703 and a spraying width adjustment component; wherein,

[0036] The feed pipe 402 is connected to the storage bin of the main pipe 401, and is used to input fire-retardant coating into the storage bin of the main pipe 401; multiple nozzles 403 are respectively connected to the main pipe 401, and each nozzle 403 is arranged side by side along the length direction of the main pipe 401, and is used to spray the fire-retardant coating in the main pipe 401; the spraying width adjustment component is arranged on the main pipe 401, and is used to adjust the width of the storage bin, so as to adjust the number of nozzles 403 connected to the storage bin, and then adjust the spraying width of the spraying operation.

[0037] Specifically, the main pipe 701 is rotatably connected to the lifting plate 4, a feed pipe 702 is installed in the middle position of the main pipe 701, the feed pipe 702 is connected to the hose 10, a plurality of nozzles 703 connected thereto are installed on the main pipe 701, and a spraying width adjustment component is also provided on the main pipe 701, which adjusts the width of the storage bin to adjust the number of nozzles 403 connected to the storage bin, thereby making a part of the nozzles 703 blocked by the spraying width adjustment component and unable to spray the fire retardant coating, thereby adjusting the overall spraying width.

[0038] In this embodiment, the spraying width adjustment component includes: two position adjustment members 704; wherein, the two position adjustment members 704 are respectively arranged at the two ends of the main tube 701 in a positionally adjustable manner, and the two position adjustment members 704 are placed in the main tube 701. The ends are provided with baffles 705, and the main tube 701 is surrounded by the two baffles 705 to form a storage bin. By adjusting the position of the position adjustment member 704, the position of the baffle 705 in the main tube 701 is adjusted, and then the distance between the two baffles 705 is adjusted to achieve the adjustment of the width of the storage bin. Specifically, a position adjustment member 704 extending into the interior is installed at both ends of the left and right sides of the main tube 701, and each of the position adjustment members 704 is fixed to a baffle 705. The diameter of the baffle 705 is the same as the inner diameter of the main tube 701, and the baffle 705 is slidably connected to the main tube 701. When in use, the position of the position adjustment member 704 is adjusted to drive the baffle 705 to move, thereby adjusting the position of the baffle 705 in the main tube 701. When the fire retardant coating flows to the baffle 705, it will be blocked, so that a part of the nozzle 703 is blocked by the baffle 705 and cannot spray the fire retardant coating, thereby adjusting the overall spraying width.

[0039] In this embodiment, the position adjusting member 704 may be a threaded rod, which is threadedly connected to the end of the main body tube, so that when in use, the position of the position adjusting member 704 can be adjusted by twisting the position adjusting member 704, thereby driving the blocking piece 705 to move. The end of the position adjusting member 704 outside the main body tube 401 is provided with a screwing portion to facilitate the screwing of the position adjusting member 704.

[0040] The working principle of the steel structure fire retardant coating spraying equipment is as follows: when the steel structure fire retardant coating spraying equipment is used, the spraying width of the spraying mechanism 7 is adjusted as needed. When adjusting, the baffle 705 is driven to move by twisting the position adjustment member 704, and then the position of the baffle 705 in the main tube 701 is adjusted. When the fire retardant coating flows to the baffle 705, it will be blocked, and then a part of the nozzle 703 is blocked by the baffle 705 and cannot spray the fire retardant coating, and then the overall spraying width is adjusted. After the adjustment, the fire retardant coating is delivered to the spraying mechanism 7 through the delivery pump 9. Multiple nozzles 703 spray the fire retardant paint onto the steel structure, and the transmission shaft 602 and the wire wheel 603 are driven to rotate by the first motor 601, and the steel wire 604 is extended and retracted by the rotation of the wire wheel 603, and the lifting plate 4 is driven to move up and down by the extension and retraction of the steel wire 604, and the lifting plate 4 drives the spraying mechanism 7 to move up and down, thereby adjusting the spraying height of the spraying mechanism 7. In addition, the first gear 802 and the second gear 803 are driven to rotate by the second motor 801, and the main tube 701 and the nozzle 703 are driven to rotate by the second gear 803, thereby adjusting the spraying angle of the nozzle 703.

[0041] In summary, the steel structure fire retardant coating spraying equipment provided in this embodiment drives the spraying mechanism to be lifted and lowered by the lifting plate to adjust the spraying height of the spraying mechanism, and the spraying angle can be adjusted by rotating the spraying mechanism to achieve spraying of the steel structure. At the same time, the equipment is convenient for adjusting the spraying width, which is convenient for spraying steel structures of different widths; and the spraying height and angle are convenient to adjust.

[0042] Method Example:

[0043] The control method comprises the following steps:

[0044] Step S1, based on the width of the position to be sprayed on the steel structure, control the spraying mechanism to adjust the width of the internal storage bin.

[0045] Specifically, the spraying width of the spraying mechanism 7 is adjusted as needed. During adjustment, the baffle 705 is driven to move by turning the position adjustment member 704, thereby adjusting the position of the baffle 705 in the main tube 701. When the fire retardant coating flows to the baffle 705, it will be blocked, thereby causing a part of the nozzle 703 to be blocked by the baffle 705 and unable to spray the fire retardant coating, thereby adjusting the overall spraying width.

[0046] Step S3, spraying the fire retardant coating onto the steel structure through a spraying mechanism, and during the spraying operation, controlling the spraying mechanism to perform lifting and lowering adjustment to adjust the spraying height of the spraying mechanism, and controlling the spraying mechanism to perform angle adjustment to adjust the spraying angle of the spraying mechanism.

[0047] Specifically, after adjustment, the fire retardant paint is delivered to the spraying mechanism 7 through the delivery pump 9, and the fire retardant paint is sprayed onto the steel structure through multiple nozzles 703; the transmission shaft 602 and the wire wheel 603 are driven to rotate by the first motor 601, and the steel wire 604 is driven to extend and retract through the rotation of the wire wheel 603, and the lifting plate 4 is driven to move up and down through the extension and retraction of the steel wire 604, and the spraying mechanism 7 is driven to move up and down through the lifting plate 4, thereby adjusting the spraying height of the spraying mechanism 7; in addition, the first gear 802 and the second gear 803 are driven to rotate by the second motor 801, and the main tube 701 and the nozzle 703 are driven to rotate through the second gear 803, thereby adjusting the spraying angle of the nozzle 703.

[0048] In summary, the control method of the steel structure fire retardant coating spraying equipment provided in this embodiment drives the spraying mechanism to be lifted and lowered by the lifting plate to adjust the spraying height of the spraying mechanism, and the spraying angle can be adjusted by rotating the spraying mechanism to achieve spraying of the steel structure. At the same time, the equipment is convenient for adjusting the spraying width, which is convenient for spraying steel structures of different widths; and the spraying height and angle are convenient for adjustment.

[0049] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0050] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A steel structure fire retardant coating spraying equipment, characterized in that: include: Frame body; A bracket, arranged on the frame body, plays a supporting role; A lifting plate is arranged on the bracket in a manner that it can be lifted and lowered in the height direction; The spraying mechanism is rotatably arranged on the lifting plate, and is used for being raised and lowered along with the lifting plate to adjust the height position of the spraying operation of the spraying mechanism, and can be rotated relative to the lifting plate to adjust the spraying angle of the spraying operation of the spraying mechanism.

2. The steel structure fire retardant coating spraying equipment according to claim 1 is characterized in that: The spraying mechanism comprises: Main pipe; A feed pipe, which is connected to the storage bin of the main pipe and is used to input the fire retardant coating into the storage bin of the main pipe; A plurality of nozzles are respectively connected to the main pipe, and each of the nozzles is arranged side by side along the length direction of the main pipe, and is used for spraying the fire retardant coating in the main pipe; The spraying width adjustment component is arranged on the main pipe and is used to adjust the width of the storage bin to adjust the number of nozzles connected to the storage bin, thereby adjusting the spraying width of the spraying operation.

3. The steel structure fire retardant coating spraying equipment according to claim 2 is characterized in that: The spray width adjustment assembly includes: two position adjustment members; wherein, The two position adjusting members are respectively arranged at the two ends of the main tube in a positionally adjustable manner, and baffles are provided on the ends of the two position adjusting members placed in the main tube. A storage bin is formed between the two baffles in the main tube. By adjusting the position of the position adjusting member, the position of the baffle in the main tube is adjusted, and then the distance between the two baffles is adjusted to achieve the adjustment of the width of the storage bin.

4. The steel structure fire retardant coating spraying equipment according to claim 3 is characterized in that: The position adjustment member is a threaded rod, which is threadedly connected to the end of the main body tube; The end of the position adjusting member disposed outside the main body tube is provided with a screwing portion.

5. The steel structure fire retardant coating spraying equipment according to any one of claims 1 to 4, characterized in that: The lifting plate is connected to a lifting drive mechanism, which includes: A wire wheel, wherein a transmission rope is provided on the wire wheel, one end of which is wound around the wire wheel and the other end is connected to the lifting plate; The first motor has a power output end connected to the wire wheel through a transmission shaft, and is used to drive the wire wheel to rotate, so as to adjust the winding of the transmission rope, thereby realizing the lifting and lowering adjustment of the lifting plate.

6. The steel structure fire retardant coating spraying equipment according to claim 5 is characterized in that: There are two wire wheels, both of which are arranged on the transmission shaft, and transmission ropes are arranged on the two wire wheels. The two transmission ropes are respectively connected to the two ends of the lifting plate.

7. The steel structure fire retardant coating spraying equipment according to any one of claims 1 to 4, characterized in that: The spraying mechanism is connected with an angle adjustment mechanism for driving the spraying mechanism to rotate.

8. The steel structure fire retardant coating spraying equipment according to claim 7, characterized in that: The angle adjustment mechanism includes: Second motor; A gear transmission component, whose power input end is connected to the power output end of the second motor, and whose power output end is connected to the spraying mechanism, is used to drive the spraying mechanism to rotate relative to the lifting plate under the drive of the second motor to achieve adjustment of the spraying angle.

9. The steel structure fire retardant coating spraying equipment according to any one of claims 1 to 4, characterized in that: The bracket is provided with a limiting guide rod, the lifting plate is provided with a sliding sleeve, and the sliding sleeve can be slidably sleeved on the limiting guide rod.

10. The steel structure fire retardant coating spraying equipment according to any one of claims 1 to 4, characterized in that: A material storage box is arranged on the frame body, and a delivery pump is arranged in the material storage box, which is connected to the spraying mechanism through a hose.

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