Anticorrosive paint spraying device for steel box girder

Abstract

The utility model relates to the technical field of paint spraying, and discloses an anticorrosive paint spraying device for a steel box girder, the front side of a main body is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first threaded rod which can drive a door-shaped frame to horizontally move, the interior of the door-shaped frame is slidably connected with a sliding rod, and the sliding rod is fixedly connected with the main body. The spraying mechanism is slidably connected to the outer portion of the door-shaped frame and used for spraying anti-corrosion paint, the side faces and the top of the whole steel box girder can be sprayed at a time through a plurality of spraying heads arranged on the spraying mechanism, the situation that the spraying heads need to continuously and repeatedly conduct spraying work on the top is avoided, and the spraying efficiency is improved. According to the spraying device, the working efficiency is improved, height lifting and angle adjusting can be conducted during spraying, the arranged moving mechanism can move at a constant speed in the horizontal direction during spraying, the whole spraying assembly is driven to conduct spraying, and overall spraying is more comprehensive.

Description

Technical Field

[0001] The utility model relates to the technical field of paint spraying, in particular to an anti-corrosion paint spraying device for a steel box beam. Background Art

[0002] Steel box girder is a composite structure made of welded steel plates, which is usually used as the main load-bearing member in the construction of large bridges and other projects. With the continuous development of road traffic, more and more expressways and ordinary roads are built using steel box girders as the main load-bearing members to meet the growing transportation needs. Therefore, the demand for spraying steel box girders is also increasing.

[0003] According to the description of an automatic spraying device for the outer surface of a steel box beam disclosed on the patent website (authorization announcement number: CN213529301U), "The utility model relates to the technical field of steel structure bridge painting, and in particular to an automatic spraying device for the outer surface of a steel box beam, comprising: a horizontal track, arranged on both sides of the steel box beam; a column, which can be relatively slidably arranged on the horizontal track; a cantilever beam, which is arranged on the column, and the free ends of the cantilever beam are relatively arranged, both facing the two side walls of the steel box beam; a crossbeam, which is horizontally arranged above the steel box beam, and the two ends of the crossbeam are slidably connected to the column; a spray head, which is respectively arranged at the bottom of the crossbeam and the free end of the cantilever beam, for spraying the outer surface of the steel box beam; a controller, which is connected to the spray head, for controlling the opening and closing of the spray head; wherein the column has a first driving member that drives it to move along the horizontal track. The utility model realizes rapid automatic spraying of the outer surface of the steel box beam by movably setting the column on the horizontal track. Compared with the prior art, it realizes comprehensive spraying of the steel box beam and saves costs."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use of the utility model, since the nozzle on the cross beam is connected to the cross beam through the fourth driving member, the fourth driving member drives the nozzle to move back and forth along the length direction of the cross beam, so that spraying takes a long time and the paint cannot be sprayed all at once, the spraying efficiency is low, and the position of the nozzle is fixed and the angle cannot be adjusted, so that the nozzle can only work at a fixed angle. When encountering special angles, the spraying is not comprehensive. Therefore, it is necessary to improve an anti-corrosion paint spraying device for steel box girders to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an anti-corrosion coating spraying device for a steel box girder to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-corrosion coating spraying device for a steel box girder, comprising a main body, a baffle fixedly connected to the top of the main body, a spraying mechanism threadedly connected to the top of the main body to spray the coating, and a moving mechanism engaged with the top of the main body to enable the spraying mechanism to move horizontally;

[0008] The spraying mechanism comprises a transmission assembly and a spraying assembly. The transmission assembly is slidably connected to the right side of the moving mechanism, and the spraying assembly is arranged on the right side of the transmission assembly.

[0009] Preferably, the moving mechanism includes a first motor, which is fixedly connected to the front side of the baffle, and the output end of the first motor is fixedly connected to a first threaded rod, which can drive a toothed gate frame to move horizontally, and the external thread of the first threaded rod is connected to the gate frame, and the right side of the gate frame is fixedly connected to a rack to provide power transmission for the rise of the spraying mechanism, and the back of the baffle is fixedly connected to a sliding rod, so that the two sides of the gate frame can move synchronously, and the back of the baffle is fixedly connected to a first limit rod to limit the gate frame.

[0010] Preferably, there are four baffles, and the four baffles are respectively fixedly connected to the front and back of the left and right sides of the main body to fix the positions of the first limit rod, the first threaded rod, and the sliding rod. The first threaded rod is rotatably connected between the front and rear baffles, the sliding rod is fixedly connected between the front and rear baffles, and the first limit rod is fixedly connected between the front and rear baffles to limit the position of the door frame.

[0011] Preferably, the transmission assembly includes a lifting shell that accommodates some transmission components, the lifting shell slides outside the portal frame so that the transmission assembly can move up and down, the lifting shell is fixedly connected to a second motor at the front side, and the output end of the second motor is fixedly connected to the first gear to provide power for displacement, the lifting shell is fixedly connected to a rotating shell at the front side to accommodate the components for adjusting the angle, the rotating shell is fixedly connected to a third motor at the front side to provide power for the first bevel gear, the output end of the third motor is fixedly connected to the first bevel gear, the top of the lifting shell is rotatably connected to a circular turntable, which is responsible for driving the angle adjustment shell to rotate, the outside of the circular turntable is fixedly connected to the second bevel gear, which meshes and rotates with the first bevel gear, the circular turntable is fixedly connected to an angle adjustment shell at the top, the front side of the angle adjustment shell is fixedly connected to a fourth motor, the output end of the fourth motor is fixedly connected to a worm, and the outside of the worm is meshed with a worm wheel, which meshes with each other to adjust the angle.

[0012] Preferably, the first bevel gear is meshed with the second bevel gear to transmit power to rotate the circular turntable, and the first gear is meshed with the rack to provide power transmission for the rise of the entire mechanism.

[0013] Preferably, the spraying assembly includes a raw material channel, which is fixedly connected to the outside of the worm gear so that the angle of the raw material channel can be adjusted, the back of the raw material channel is fixedly connected to a nozzle for spraying the paint, the back of the raw material channel is fixedly connected to a telescopic pipe which can move with the raw material channel, the outside of the telescopic pipe is fixedly connected to a raw material pump to provide power for the transmission of the paint, the end of the telescopic pipe away from the raw material channel is fixedly connected to a stirring tank for storing the paint, the top of the stirring tank is provided with a feeding port for adding paint, the top of the stirring tank is fixedly connected to a fifth motor, and the output end of the fifth motor is fixedly connected to a stirring block to make the stirring more uniform.

[0014] Preferably, the raw material channel is rotatably connected to the inside of the angle adjustment shell so that the raw material channel can rotate, and an opening is provided at a position of the raw material channel corresponding to the interface of the telescopic pipe so that the paint can enter the inside of the raw material channel.

[0015] Compared with the prior art, the utility model provides an anti-corrosion coating spraying device for steel box beams, which has the following beneficial effects:

[0016] 1. The anti-corrosion paint spraying device for steel box girders can spray the side and top of the entire steel box girder at one time through a spraying mechanism and multiple nozzles, avoiding the need for the nozzles to repeatedly spray on the top, thereby improving work efficiency. In addition, during spraying, the spraying device can be raised and lowered in height and adjusted in angle, so the spraying is more comprehensive.

[0017] 2. The anti-corrosion paint spraying device for steel box girders can move at a uniform speed in the horizontal direction during spraying through the provided moving mechanism, driving the entire spraying assembly to spray, making the overall spraying more comprehensive, and can move with the size of the object, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the mobile mechanism of the utility model;

[0021] Figure 3This is a schematic diagram of the mechanism position of the utility model;

[0022] Figure 4 This is a schematic diagram of the transmission assembly structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the spraying component of the utility model.

[0024] In the figure: 1, main body; 2, baffle; 3, spraying mechanism; 4, moving mechanism; 31, transmission assembly; 32, spraying assembly; 311, lifting shell; 312, second motor; 313, first gear; 314, rotating shell; 315, third motor; 316, first bevel gear; 317, circular turntable; 318, second bevel gear; 319, angle adjustment shell; 3110, fourth motor; 3111, worm; 3112, worm wheel; 321, stirring tank; 322, feeding port; 323, fifth motor; 324, stirring block; 325, telescopic pipe; 326, raw material pump; 327, raw material channel; 328, nozzle; 411, first motor; 412, first threaded rod; 413, door frame; 414, rack; 415, slide rod; 416, first limit rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1 , Figure 2The utility model provides a technical solution: an anti-corrosion coating spraying device for a steel box girder, comprising a main body 1, a baffle 2 is fixedly connected to the top of the main body 1, a spraying mechanism 3 is threadedly connected to the top of the main body 1, and the coating is sprayed, and a moving mechanism 4 is engaged with the top of the main body 1, so that the spraying mechanism 3 can be horizontally displaced;

[0029] The spraying mechanism 3 includes a transmission assembly 31 and a spraying assembly 32 . The transmission assembly 31 is slidably connected to the right side of the moving mechanism 4 , and the spraying assembly 32 is arranged on the right side of the transmission assembly 31 .

[0030] Furthermore, the moving mechanism 4 includes a first motor 411, which is fixedly connected to the front side of the baffle 2. The output end of the first motor 411 is fixedly connected to a first threaded rod 412, which can drive a toothed gate frame 413 to perform horizontal displacement. The external thread of the first threaded rod 412 is threadedly connected to the gate frame 413. The right side of the gate frame 413 is fixedly connected to a rack 414, which can provide power transmission for the rise of the spraying mechanism 3. The back of the baffle 2 is fixedly connected to a sliding rod 415, so that the two sides of the gate frame 413 can move synchronously. The back of the baffle 2 is fixedly connected to a first limiting rod 416, which limits the gate frame 413.

[0031] Furthermore, there are four baffles 2, and the four baffles 2 are respectively fixedly connected to the front and back of the left and right sides of the main body 1, and the positions of the first limit rod 416, the first threaded rod 412, and the sliding rod 415 are fixed. The first threaded rod 412 is rotatably connected between the front and rear baffles 2, the sliding rod 415 is fixedly connected between the front and rear baffles 2, and the first limit rod 416 is fixedly connected between the front and rear baffles 2 to limit the position of the door frame 413.

[0032] Embodiment 2:

[0033] See also Figure 3-5, and combined with the first embodiment, it is further obtained that the transmission assembly 31 includes a lifting shell 311, which accommodates some components of the transmission, and the lifting shell 311 slides outside the door frame 413, so that the transmission assembly 31 can move up and down, and the front of the lifting shell 311 is fixedly connected to the second motor 312, and the output end of the second motor 312 is fixedly connected to the first gear 313 to provide power for the displacement, and the front of the lifting shell 311 is fixedly connected to the rotating shell 314 to accommodate the components for adjusting the angle, and the front of the rotating shell 314 is fixedly connected to the third motor 315 to provide power to the first bevel gear 316, and the third motor 3 The output end of 15 is fixedly connected with the first bevel gear 316, the top of the lifting shell 311 is rotatably connected with the circular turntable 317, which is responsible for driving the angle adjustment shell 319 to rotate, the outside of the circular turntable 317 is fixedly connected with the second bevel gear 318, which meshes and rotates with the first bevel gear 316, the top of the circular turntable 317 is fixedly connected with the angle adjustment shell 319, the front of the angle adjustment shell 319 is fixedly connected with the fourth motor 3110, the output end of the fourth motor 3110 is fixedly connected with the worm 3111, the outside of the worm 3111 is meshed with the worm wheel 3112, which mesh with each other to adjust the angle.

[0034] Furthermore, the first bevel gear 316 meshes with the second bevel gear 318 to transmit the power to rotate the circular turntable 317, and the first gear 313 meshes with the rack 414 to provide power transmission for the rise of the entire mechanism.

[0035] Furthermore, the spraying assembly 32 includes a raw material channel 327, which is fixedly connected to the outside of the worm gear 3112 so that the angle of the raw material channel 327 can be adjusted. A nozzle 328 is fixedly connected to the back of the raw material channel 327 for spraying the paint. A telescopic pipe 325 is fixedly connected to the back of the raw material channel 327 and can move with the raw material channel 327. A raw material pump 326 is fixedly connected to the outside of the telescopic pipe 325 to provide power for the transmission of the paint. The end of the telescopic pipe 325 away from the raw material channel 327 is fixedly connected to a stirring tank 321 for storing the paint. A feeding port 322 is provided on the top of the stirring tank 321 for adding paint. A fifth motor 323 is fixedly connected to the top of the stirring tank 321, and a stirring block 324 is fixedly connected to the output end of the fifth motor 323 to make the stirring more uniform.

[0036] Furthermore, the raw material channel 327 is rotatably connected to the inside of the angle adjustment shell 319 so that the raw material channel 327 can rotate. An opening is provided at the position of the raw material channel 327 corresponding to the interface of the telescopic pipe 325 so that the paint can enter the inside of the raw material channel 327.

[0037] In actual operation, when the device is used, the fifth motor 323 is turned on to drive the stirring block 324 to rotate, so that the stirring block 324 stirs the paint inside the stirring tank 321. After the stirring is completed, the first motor 411 is turned on to drive the first threaded rod 412 to drive the door frame 413 to move. After the door frame 413 is adjusted to a suitable position, the first motor 411 is turned off, and the second motor 312 is turned on to drive the first gear 313 to engage with the door frame 413 to lift the lifting shell 311. After lifting to a suitable position, the second motor 312 is turned off, and the third motor 315 is turned on to drive the first bevel gear 316 to rotate and engage with the second bevel gear 318, driving the circular turntable 317 to rotate, so that the angle adjustment shell 319 rotates. After reaching the appropriate position, the third motor 315 is turned off, and the fourth motor 3110 is turned on to drive the worm 3111 to rotate and engage with the worm wheel 3112, so that the raw material channel 327 rotates inside the angle adjustment housing 319. After adjusting the position, the fourth motor 3110 is turned off, and the raw material pump 326 is turned on to transport the paint to the inside of the raw material channel 327 through the telescopic pipe 325, and spray it from the nozzle 328. At the same time, the first motor 411 is started and the first threaded rod 412 drives the door frame 413, and then the door frame 413 drives the transmission assembly 31 to move to complete the top spraying. The first motor 411 is turned off, and the raw material channel 327 is adjusted to the initial position and then the first motor 411 is started for spraying to complete the side spraying, and then it returns to the initial position, and the spraying is completed.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An anti-corrosion coating spraying device for a steel box girder, comprising a main body (1), characterized in that: A baffle (2) is fixedly connected to the top of the main body (1), a spraying mechanism (3) is provided on the top of the main body (1), and a moving mechanism (4) is provided on the top of the main body (1); The spraying mechanism (3) comprises a transmission assembly (31) and a spraying assembly (32); the transmission assembly (31) is slidably connected to the right side of the moving mechanism (4); and the spraying assembly (32) is arranged on the right side of the transmission assembly (31).

2. The anti-corrosion coating spraying device for steel box beam according to claim 1, characterized in that: The moving mechanism (4) comprises a first motor (411), the first motor (411) is fixedly connected to the front side of the baffle (2), the output end of the first motor (411) is fixedly connected to a first threaded rod (412), the first threaded rod (412) is externally threadedly connected to a door frame (413), the right side of the door frame (413) is fixedly connected to a rack (414), the back of the baffle (2) is fixedly connected to a sliding rod (415), and the back of the baffle (2) is fixedly connected to a first limiting rod (416).

3. The anti-corrosion coating spraying device for steel box beam according to claim 2, characterized in that: There are four baffles (2), and the four baffles (2) are respectively fixedly connected to the front and back sides of the left and right sides of the main body (1); the first threaded rod (412) is rotatably connected between the front and rear baffles (2); the sliding rod (415) is fixedly connected between the front and rear baffles (2); and the first limiting rod (416) is fixedly connected between the front and rear baffles (2).

4. The anti-corrosion coating spraying device for steel box beam according to claim 1, characterized in that: The transmission assembly (31) comprises a lifting shell (311), the lifting shell (311) slides outside the portal frame (413), the lifting shell (311) is fixedly connected to a second motor (312) at the front side, the output end of the second motor (312) is fixedly connected to a first gear (313), the lifting shell (311) is fixedly connected to a rotating shell (314) at the front side, the rotating shell (314) is fixedly connected to a third motor (315) at the front side, and the output end of the third motor (315) is fixedly connected to a third gear (313). A bevel gear (316) is provided. The top of the lifting housing (311) is rotatably connected to a circular turntable (317). The outside of the circular turntable (317) is fixedly connected to a second bevel gear (318). The top of the circular turntable (317) is fixedly connected to an angle adjustment housing (319). The front of the angle adjustment housing (319) is fixedly connected to a fourth motor (3110). The output end of the fourth motor (3110) is fixedly connected to a worm (3111). The outside of the worm (3111) is meshed with a worm wheel (3112).

5. The anti-corrosion coating spraying device for steel box beams according to claim 4 is characterized in that: The first bevel gear (316) is meshed with the second bevel gear (318), and the first gear (313) is meshed with the rack (414).

6. The anti-corrosion coating spraying device for steel box beam according to claim 1, characterized in that: The spraying assembly (32) comprises a raw material channel (327), wherein the raw material channel (327) is fixedly connected to the outside of the worm gear (3112), a nozzle (328) is fixedly connected to the back of the raw material channel (327), a telescopic pipe (325) is fixedly connected to the back of the raw material channel (327), a raw material pump (326) is fixedly connected to the outside of the telescopic pipe (325), an end of the telescopic pipe (325) away from the raw material channel (327) is fixedly connected to a stirring tank (321), a feeding port (322) is provided at the top of the stirring tank (321), a fifth motor (323) is fixedly connected to the top of the stirring tank (321), and a stirring block (324) is fixedly connected to the output end of the fifth motor (323).

7. The anti-corrosion coating spraying device for steel box beams according to claim 6, characterized in that: The raw material channel (327) is rotatably connected to the interior of the angle adjustment housing (319), and an opening is provided at a position of the raw material channel (327) corresponding to the interface of the telescopic pipe (325).

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