Steel structure spraying device

Abstract

The invention provides a steel structure spraying device which comprises a spraying base playing a supporting role, a spraying device body and a spraying device body. The rotary clamping mechanism is arranged on the spraying base in a rotatable mode; and the movable supporting frame is arranged above the spraying base in the length direction of the spraying base in a position-adjustable mode, and a spraying mechanism is arranged on the movable supporting frame. A to-be-sprayed steel structure is clamped through the rotary clamping mechanism, and the to-be-sprayed steel structure can be driven to rotate, so that the periphery of the to-be-sprayed steel structure is sprayed; the spraying mechanism is driven by the movable supporting frame to conduct position adjustment in the length direction of the spraying base so as to conduct spraying on different length positions of the steel structure to be sprayed, uniform spraying can be effectively conducted on the steel structure, inconvenience caused by manual overturning spraying after one face is sprayed by a worker is reduced, the working efficiency is improved, and practicability is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure spraying, and in particular to a steel structure spraying device. Background Art

[0002] Steel structure spraying is a process technology for applying coatings on the surface of steel structures. It aims to provide multi-functional protection and decoration for steel structures by applying specific coatings. The coatings are atomized into tiny particles at high pressure and high speed through special spraying equipment, and evenly sprayed onto the pre-treated steel structure surface. These coating particles adhere to, accumulate, dry and solidify on the surface of the steel structure to form a continuous and dense coating, thereby protecting and beautifying the steel structure.

[0003] The existing steel structure spraying is mostly done manually by workers, but the manual spraying efficiency is not high, and after spraying one side, the other side needs to be turned over for spraying, which is time-consuming and labor-intensive. Therefore, a steel structure spraying device is needed. Summary of the invention

[0004] In view of this, the present invention proposes a steel structure spraying device, which aims to solve the problem that the existing manual spraying efficiency is low and the other side needs to be turned over for spraying after spraying one side, resulting in a long spraying time and labor.

[0005] The present invention proposes a steel structure spraying device, which includes: a spraying base, which plays a supporting role; a rotating clamping mechanism, which is rotatably arranged on the spraying base, and is used to clamp the steel structure to be sprayed, so that the steel structure to be sprayed is horizontally arranged on the spraying base along the length direction of the spraying base, and the rotating clamping mechanism can also drive the steel structure to be sprayed to rotate, so as to spray the periphery of the steel structure to be sprayed; a movable support frame, which is arranged above the spraying base along the length direction of the spraying base in a position-adjustable manner, and the movable support frame is provided with a spraying mechanism, which is used to move along the length direction of the spraying base with the movable support frame, so as to spray at different length positions of the steel structure to be sprayed.

[0006] Furthermore, in the above-mentioned steel structure spraying device, the rotating clamping mechanism includes: two fixed plates; two clamping assemblies, which are respectively arranged on opposite sides of the two fixed plates, and the two clamping assemblies are respectively connected to the corresponding fixed plates in a rotatable manner, and are used to respectively clamp the two ends of the steel structure to be sprayed between the two fixed plates; a rotating driving mechanism, whose power output end is connected to one of the clamping assemblies, and is used to drive the clamping assembly to rotate, so as to drive the steel structure to be sprayed to rotate.

[0007] Furthermore, in the above-mentioned steel structure spraying device, the clamping assembly includes: a U-shaped clamping member; a sliding clamping plate, which is arranged in the U-shaped clamping member, and the sliding clamping plate is connected to a support plate of the U-shaped clamping member in a position-adjustable manner along the groove width direction of the U-shaped clamping member, and is used to adjust the distance between the sliding clamping plate and the other support plate of the U-shaped clamping member to clamp the end of the steel structure to be sprayed between the sliding clamping plate and the other support plate of the U-shaped clamping member.

[0008] Furthermore, in the above-mentioned steel structure spraying device, the sliding clamping plate is connected to a sliding driving member for driving the sliding clamping plate to adjust its position along the groove width direction of the U-shaped clamping member; the sliding driving member is an electric cylinder.

[0009] Furthermore, in the above-mentioned steel structure spraying device, the movable support frame is connected to a movable driving mechanism for driving the movable support frame to adjust its position.

[0010] Furthermore, in the above-mentioned steel structure spraying device, the mobile driving mechanism includes: a driving motor; a transmission screw arranged along the length direction of the spraying base, whose power input end is connected to the driving motor, and the transmission screw is passed through the movable support frame, and the transmission screw and the movable support frame are threadedly connected to each other, and are used to drive the movable support frame to slide along the length direction of the spraying base under the driving action of the driving motor.

[0011] Furthermore, in the above-mentioned steel structure spraying device, the movable support frame is a door-type bracket; the number of the transmission screws is two, and the two transmission screws are respectively connected to the power output ends of the drive motor for synchronous rotation under the driving action of the drive motor.

[0012] Furthermore, in the above-mentioned steel structure spraying device, the power output end of the driving motor is connected to one of the transmission screws through a first rotating wheel, and a second rotating wheel connected to the other transmission screw is provided on one side of the first rotating wheel, and the second rotating wheel is connected to the first rotating wheel through a synchronous belt.

[0013] Furthermore, in the above-mentioned steel structure spraying device, the spraying mechanism includes: a material storage box; a nozzle, which is connected to the material storage box through a material delivery pipe, and a water pump is provided on the material delivery pipe for pumping the paint in the material storage box into the nozzle for spraying onto the steel structure to be sprayed.

[0014] Furthermore, in the above-mentioned steel structure spraying device, a storage groove is provided on the spraying base, a collecting box placed below the storage groove is provided at the bottom of the spraying base, and a storage box connected to the collecting box is provided at the end of the collecting box for storing excess material dripping during spraying; four supporting feet are provided at the bottom of the spraying base, which are respectively arranged at the four corners of the spraying base; and anti-slip pads are provided at the bottom ends of the supporting feet.

[0015] The steel structure spraying device provided by the present invention clamps the steel structure to be sprayed by a rotating clamping mechanism, and can drive the steel structure to be sprayed to rotate so as to spray the periphery of the steel structure to be sprayed; the spraying mechanism is driven by a movable support frame to adjust the position along the length direction of the spraying base so as to spray at different length positions of the steel structure to be sprayed, thereby effectively spraying the steel structure evenly, reducing the inconvenience of workers manually flipping the spraying surface after spraying one side, thereby improving work efficiency and being practical, and solving the problem that the existing manual spraying efficiency is low and the spraying time is long, which is time-consuming and labor-intensive and needs to be flipped over to spray the other side after spraying one side. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings: Figure 1 A schematic diagram of the structure of a steel structure spraying device provided by an embodiment of the present invention; Figure 2 A schematic structural diagram of a rotary clamping mechanism in a steel structure spraying device provided by an embodiment of the present invention; Figure 3 Another structural schematic diagram of the steel structure spraying device provided by an embodiment of the present invention; Figure 4 A schematic structural diagram of the end side of a steel structure spraying device provided by an embodiment of the present invention; Figure 5 Another structural schematic diagram of the steel structure spraying device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0017] 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 set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to be able 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 of the present invention and the features described in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0018] See also Figures 1 to 5 , which shows the preferred structure of the steel structure spraying device provided by the embodiment of the present invention. As shown in the figure, the device includes: a spraying base 1, a rotating clamping mechanism 2, a mobile support frame 3, a spraying mechanism 4, a supporting foot 5, an anti-slip pad 6, and a mobile driving mechanism 7; wherein, The spray base 1 plays a supporting role. The rotating clamping mechanism 2 is rotatably arranged on the spray base 1, and is used to clamp the steel structure to be sprayed (not shown in the figure), so that the steel structure to be sprayed can be sprayed along the length direction of the spray base 1 (such as Figure 1 The rotating clamping mechanism 2 is disposed horizontally on the spraying base 1 (in the oblique horizontal direction shown in the figure). The rotating clamping mechanism 2 can also drive the steel structure to be sprayed to rotate so as to spray the periphery of the steel structure to be sprayed.

[0019] Specifically, the spray base 1 plays a supporting role, supporting the rotating clamping mechanism 2, the mobile support frame 3, the spray mechanism 4, etc. in this application. In the present embodiment, four supporting feet 5 are provided at the bottom of the spray base 1, which are respectively arranged at the four corners of the spray base 1, and the bottom ends of the supporting feet 5 are provided with anti-slip pads 6. A receiving groove 11 is provided at the middle position of the spray base 1. The receiving groove 11 is a through groove structure, that is, it runs through the spray base 1 along the thickness direction of the spray base 1, that is, the vertical direction, so that when the upper side of the steel structure to be sprayed is sprayed, the excess material can drip down from the receiving groove 11. In the present embodiment, a collecting box 8 is provided at the bottom of the spray base 1, which is placed directly below the receiving groove 11, so that the excess material can drip down from the receiving groove 11 into the collecting box 8 during spraying. In order to facilitate the collection of materials, preferably, a storage box 9 connected to the collection box 8 is provided at the end of the collection box 8, so that the materials in the collection box 8 flow to the end thereof and are collected in the storage box 9, so as to store the excess materials dripping during spraying. Among them, a valve 91 can be fixedly connected to the storage box 9, and the excess materials dripping during spraying can slide from the storage groove 11 and the collection box 8 to the storage box 9 for collection and utilization through the valve 91. The excess materials dripping during spraying can slide from the storage groove 11 to the storage box 9 for collection and utilization through the valve 91, thereby improving the rational utilization of the coating and saving costs.

[0020] The movable support frame 3 is arranged above the spray base 1 in a position-adjustable manner along the length direction of the spray base 1, and a spray mechanism 4 is provided on the movable support frame 3 for moving along the length direction of the spray base 1 with the movable support frame 3 to spray different length positions of the steel structure to be sprayed.

[0021] Specifically, the mobile support frame 3 is arranged above the spray base 1 in a position-adjustable manner along the length direction of the spray base 1. Preferably, the mobile support frame 3 is slidably arranged on the spray base 1 along the length direction of the spray base 1 to drive the spray mechanism 4 arranged on the mobile support frame 3 to adjust its position along the length direction of the spray base 1, that is, to move along the length direction of the steel structure to be sprayed, so as to realize spraying of different length positions of the steel structure to be sprayed, and then realize spraying of the entire length of the steel structure to be sprayed, and cooperate with the rotating clamping mechanism 2 to drive the steel structure to be sprayed to rotate, so as to realize spraying of the entire length and various circumferential positions of the steel structure to be sprayed. In this embodiment, the mobile support frame 3 is connected to a mobile driving mechanism 7 for driving the mobile support frame 3 to adjust its position. Among them, the mobile support frame 3 can be a door-type bracket.

[0022] In this embodiment, a control box 10 may also be provided on the spray base 1, which is respectively connected to the rotating clamping mechanism 2 and the mobile driving mechanism 7, and is used to control the operation of the rotating clamping mechanism 2 and the mobile driving mechanism 7, so as to respectively control the rotation of the steel structure to be sprayed and the sliding of the movable support frame 3, thereby controlling the rotation of the steel structure to be sprayed and the position adjustment of the spraying mechanism 4.

[0023] Continue to see Figures 1 to 5 The rotating clamping mechanism 2 includes: two fixed plates 21, two clamping assemblies 22, and a rotating driving mechanism 23; wherein the two clamping assemblies 22 are respectively arranged on opposite sides of the two fixed plates 21, and the two clamping assemblies 22 are respectively connected to the corresponding fixed plates 21 in a rotatable manner, so as to respectively clamp the two ends of the steel structure to be sprayed between the two fixed plates 21; the power output end of the rotating driving mechanism 23 is connected to one of the clamping assemblies 22, so as to drive the clamping assembly 22 to rotate, so as to drive the steel structure to be sprayed to rotate circumferentially.

[0024] Specifically, two fixing plates 21 are fixedly connected to the top of the spraying base 1, and the distance between the two fixing plates 21 is greater than the length of the steel structure to be sprayed; in order to adapt to steel structures of different lengths to be sprayed, preferably, at least one fixing plate 21 can be arranged on the spraying base 1 in a position-adjustable manner along the length direction of the spraying base 1, so as to adjust the distance between the two fixing plates 21 to adapt to the length of the steel structure to be sprayed. Figure 1The right side of the left fixing plate 21 and the left side of the right fixing plate 21 are both provided with a clamping assembly 22, and the clamping assembly 22 is rotatably arranged on the corresponding fixing plate 21, so as to clamp the end of the steel structure to be sprayed by the clamping assembly 22, and rotate with the clamping assembly 22 relative to the fixing plate 21 to achieve spraying at different positions in the circumferential direction. In this embodiment, one of the fixing plates 21 (such as Figure 3 The fixed plate shown in the figure (i.e., the left fixed plate) is provided with a rotation drive mechanism 23, the power output end of which is connected to the clamping assembly 22, for driving the clamping assembly 22 to rotate, thereby driving the steel structure to be sprayed and the other clamping assembly 22 to rotate synchronously, thereby realizing the rotation of the steel structure to be sprayed. The rotation drive mechanism 23 is a motor structure.

[0025] In this embodiment, the right fixing plate 21 is rotatably connected to the clamping assembly 22. Preferably, a sleeve 24 may be provided on one side of the fixing plate 21, and a rotating column 25 is provided on the clamping assembly 22. The rotating column 25 is rotatably sleeved inside the sleeve 24 to realize the rotation of the clamping assembly 22 relative to the fixing plate 22. The sleeve 24 may be fixedly connected to the opposite side of the fixing plate 21, that is, the side facing the other fixing plate 21, and the side of the clamping assembly 22 facing away from the other clamping assembly 22 is fixedly connected with the rotating column 25, and the end of the rotating column 25 facing away from the clamping assembly 22 is rotatably arranged inside the sleeve 24.

[0026] Continue to see Figure 3 The clamping assembly 22 includes: a U-shaped clamping member 221 and a sliding clamping plate 222; wherein the sliding clamping plate 222 is arranged in the U-shaped clamping member 221, and the sliding clamping plate 222 is connected to a support plate 2211 (such as Figure 3 The left support plate 2211 shown in the figure is connected to another support plate 2211 (such as the left support plate 2211) for adjusting the sliding clamping plate 222 and the U-shaped clamping member 221. Figure 3 The spacing between the support plate 2211 on the right side as shown is to clamp the end of the steel structure to be sprayed between the sliding clamping plate 222 and the other support plate 2211 of the U-shaped clamping member 221.

[0027] Specifically, the U-shaped clamping member 221 is a U-shaped structure, the opening of which is arranged toward the other clamping assembly 22 and the slot width direction is arranged in the horizontal direction. The sliding clamping plate 222 is connected to a support plate 2211 (such as a support plate 2212) of the U-shaped clamping member 221 in a position-adjustable manner along the slot width direction of the U-shaped clamping member 221. Figure 3The sliding clamping plate 222 is connected to the support plate 2211 on the left side as shown, and the sliding clamping plate 222 is connected to a sliding drive member 223, which is used to drive the sliding clamping plate 222 to adjust its position along the groove width direction of the U-shaped clamping member 221, so as to push the sliding clamping plate 222 to adjust its position along the groove width direction of the U-shaped clamping member 221, so that the sliding clamping plate 222 moves toward or away from the other support plate 2211 of the U-shaped clamping member 221, and then can clamp steel structures to be sprayed of different widths. Among them, the sliding drive member 223 can be an electric push rod, or it can be other drive structures, and there is no limitation on it in this embodiment. By placing the steel structure to be sprayed in the groove of the U-shaped clamping member 221, starting the sliding drive member 223 so that the sliding clamping plate 222 is close to the steel structure to be sprayed to clamp the steel structure to be sprayed.

[0028] It can be seen that by placing the steel structure between the U-shaped clamping member 221 and the sliding clamping plate 222, the sliding drive member 223 is started so that the sliding clamping plate 222 clamps the steel structure, and then the rotating drive mechanism 23 can be started to rotate the U-shaped clamping member 221, driving the rotating column 25 on the other side to rotate in the sleeve 24, and cooperating with the mobile support frame 3 for spraying, the steel structure is effectively and evenly sprayed, reducing the inconvenience of workers manually flipping the spraying after spraying one side, thereby improving work efficiency and being practical.

[0029] Continue to see Figure 5 The spraying mechanism 4 may include: a material storage box 41 and a nozzle 42; wherein the nozzle 42 is connected to the material storage box 41 through a material delivery pipe 43, and a water pump 44 is provided on the material delivery pipe 43 for pumping the paint in the material storage box 41 into the nozzle 42 to spray it onto the steel structure to be sprayed.

[0030] Specifically, a material storage box 41 is fixedly connected to the top of the mobile support frame 3, a material feed port 411 is opened on one side of the material storage box 41, there can be two material delivery pipes 43, one side of the material storage box 41 is fixedly connected to the material delivery pipe 43, the other end of the material delivery pipe 43 is fixedly connected to a water pump 44, the other side of the water pump 44 is fixedly connected to another material delivery pipe 43, the other end of the material delivery pipe 43 is fixedly connected to a positioning block 45, the other side of the positioning block 45 is fixedly connected to a nozzle 42, the nozzle 42 is connected to the material delivery pipe 43, the water pump 44 can be started to enable the nozzle 42 to spray the steel structure to be sprayed.

[0031] Continue to see Figure 5The mobile drive mechanism 7 may include: a driving motor 71 and a transmission screw 72; wherein the transmission screw 72 is arranged along the length direction of the spray base 1, and the power input end of the transmission screw 72 is connected to the driving motor 71, and the transmission screw 72 is passed through the movable support frame 3, and the transmission screw 72 is threadedly connected to the movable support frame 3, and is used to drive the movable support frame 3 to slide along the length direction of the transmission screw 72 under the driving action of the driving motor 71, that is, to slide along the length direction of the spray base 1. Specifically, there may be two transmission screws 72, and the two transmission screws 72 are respectively connected to the power output end of the driving motor 71, and are used to rotate synchronously under the driving action of the driving motor 71. Preferably, the power output end of the driving motor 71 is connected to one of the transmission screws 72 (such as Figure 5 The upper transmission screw shown in FIG. 1 is connected to the first rotating wheel 73, and one side of the first rotating wheel 73 is provided with a transmission screw (such as the upper transmission screw shown in FIG. Figure 5 The second rotating wheel 74 is connected to the first rotating wheel 73 via a synchronous belt 75.

[0032] It can be seen that by starting the drive motor 71 to drive the first rotating wheel 73 to rotate, and then drive the synchronous belt 75 and the second rotating wheel 74 to rotate, the transmission screw 72 is synchronously driven to rotate so that the movable support frame 3 moves, and then the water pump 44 is started to make its nozzle 42 spray the steel structure, which effectively saves manpower for spraying and makes the spraying faster and more efficient.

[0033] In this embodiment, two grooves 12 arranged along the length direction of the spray base 1 are provided on both sides of the spray base 1, i.e., on both sides of the storage groove 11, and the grooves 12 are opened at the top of the spray base 1; one side of the spray base 1 is fixedly connected to a drive motor 71, and the transmission end of the drive motor 71 is fixedly connected to a first rotating wheel 73, and the side surface of the first rotating wheel 73 is movably connected to a synchronous belt 75, and the other end of the synchronous belt 75 is movably connected to a second rotating wheel 74, one end of the second rotating wheel 74 and one end of the first rotating wheel 73 are fixedly connected to a transmission screw 72, and the side surface of the transmission screw 72 is movably connected to a movable support frame 3, and the combination between the mobile support frame 3 and the transmission screw 72 forms a ball screw substructure to convert the rotation into a reciprocating linear motion of the mobile support frame 3, thereby driving the spray mechanism 4 to perform reciprocating linear motion.

[0034] The working process of the device is as follows: the operation of the device is controlled by the electrical connection of the control box 10, and the steel structure to be sprayed is placed in the groove of the U-shaped clamping member 221 and on one side of the sliding clamping plate 222, and then the sliding driving member 223 is started so that the sliding clamping plate 222 at one end and a supporting plate 2211 of the U-shaped clamping member 221 clamp the steel structure to be sprayed, and then the rotating driving mechanism 23 is started to rotate the U-shaped clamping member 221, driving the rotating column 25 on the other side to rotate in the sleeve 24, and cooperating with the mobile driving mechanism 7 to spray, that is, by starting the driving motor 71 to drive the first rotating wheel 73 to rotate and then drive the synchronous belt 75 and the second rotating wheel 74 to rotate, synchronously driving the two driving screws 72 to rotate so that the mobile support frame 3 moves, and then the water pump 44 is started so that its nozzle 52 sprays the steel structure to be sprayed, and the excess material dripping during spraying slides from the receiving groove 11 and the collecting box 8 and is transported to the storage box 9 for collection and utilization through the valve 91.

[0035] In summary, the steel structure spraying device provided in this embodiment clamps the steel structure to be sprayed through the rotating clamping mechanism 2, and can drive the steel structure to be sprayed to rotate so as to spray the outer periphery of the steel structure to be sprayed; the spraying mechanism 4 is driven by the movable support frame 3 to adjust the position along the length direction of the spraying base 1 so as to spray at different length positions of the steel structure to be sprayed, effectively spray the steel structure evenly, reduce the inconvenience of workers manually flipping the spraying surface after spraying one side, improve work efficiency, and have practicality, and solve the problem that the existing manual spraying efficiency is low and the other side needs to be flipped for spraying after spraying one side, resulting in time-consuming and labor-intensive spraying.

[0036] 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.

[0037] 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.

[0038] 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 spraying device, characterized in that: include: Spray the base to provide support; A rotary clamping mechanism is rotatably arranged on the spraying base, and is used to clamp the steel structure to be sprayed, so that the steel structure to be sprayed is horizontally arranged on the spraying base along the length direction of the spraying base, and the rotary clamping mechanism can also drive the steel structure to be sprayed to rotate, so as to spray the periphery of the steel structure to be sprayed; A movable support frame is arranged above the spray base in a position-adjustable manner along the length direction of the spray base, and a spraying mechanism is provided on the movable support frame for moving along the length direction of the spray base with the movable support frame so as to spray at different length positions of the steel structure to be sprayed.

2. The steel structure spraying device according to claim 1, characterized in that: The rotary clamping mechanism comprises: Two fixing plates; Two clamping assemblies are respectively arranged on opposite sides of the two fixing plates, and the two clamping assemblies are respectively connected to the corresponding fixing plates in a rotatable manner, and are used to clamp the two ends of the steel structure to be sprayed between the two fixing plates; The power output end of the rotary drive mechanism is connected to one of the clamping assemblies and is used to drive the clamping assembly to rotate, so as to drive the steel structure to be sprayed to rotate.

3. The steel structure spraying device according to claim 2, characterized in that: The clamping assembly comprises: U-shaped clamping piece; A sliding clamping plate is arranged in the U-shaped clamping member, and the sliding clamping plate is connected to a support plate of the U-shaped clamping member in a position-adjustable manner along the groove width direction of the U-shaped clamping member, and is used to adjust the distance between the sliding clamping plate and the other support plate of the U-shaped clamping member to clamp the end of the steel structure to be sprayed between the sliding clamping plate and the other support plate of the U-shaped clamping member.

4. The steel structure spraying device according to claim 3, characterized in that: The sliding clamping plate is connected to a sliding driving member for driving the sliding clamping plate to adjust its position along the groove width direction of the U-shaped clamping member; The sliding drive member is an electric cylinder.

5. The steel structure spraying device according to any one of claims 1 to 4, characterized in that: The movable support frame is connected to a movable driving mechanism for driving the movable support frame to adjust its position.

6. The steel structure spraying device according to claim 5, characterized in that: The mobile driving mechanism comprises: Drive motor; A transmission screw is arranged along the length direction of the spray base, and its power input end is connected to the drive motor. In addition, the transmission screw is passed through the movable support frame. The transmission screw and the movable support frame are threadedly connected to drive the movable support frame to slide along the length direction of the spray base under the driving action of the drive motor.

7. The steel structure spraying device according to claim 6, characterized in that: The movable support frame is a door-type support frame; There are two transmission screws, which are respectively connected to the power output ends of the drive motor and are used for synchronous rotation under the driving action of the drive motor.

8. The steel structure spraying device according to claim 7, characterized in that: The power output end of the driving motor is connected to one of the transmission screws through a first rotating wheel, and a second rotating wheel connected to the other transmission screw is provided on one side of the first rotating wheel, and the second rotating wheel is connected to the first rotating wheel through a synchronous belt.

9. The steel structure spraying device according to any one of claims 1 to 3, characterized in that: The spraying mechanism comprises: Storage box; The spray head is connected to the material storage box through a material delivery pipe, and the material delivery pipe is provided with a water pump for pumping the paint in the material storage box to the spray head so as to spray it onto the steel structure to be sprayed.

10. The steel structure spraying device according to any one of claims 1 to 3, characterized in that: The spray base is provided with a receiving groove, the bottom of the spray base is provided with a collecting box placed below the receiving groove, and the end of the collecting box is provided with a storage box connected to the collecting box for storing excess materials dripping during spraying; The bottom of the spraying base is provided with four supporting feet, which are respectively arranged at the four corners of the spraying base; The bottom end of the supporting foot is provided with an anti-skid pad.

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