Spraying device for bridge steel structure

Abstract

A spraying device for a bridge steel structure comprises a bottom plate, a spraying device body is arranged at the top of the bottom plate, power devices are detachably connected to the two sides of the spraying device body, and supporting devices are detachably fixed to the front end and the rear end of the bottom plate; the spraying device body comprises an assembling plate, a storage tank is detachably fixed to the middle of the assembling plate, a spraying assembly communicates with the storage tank, supporting legs are fixed to the bottom of the assembling plate, a mounting plate is fixed to the bottoms of the supporting legs, walking wheels are mounted at the bottom of the mounting plate, a first connecting plate is fixed to the outer side of the mounting plate, and a connecting groove is formed in the first connecting plate; the power device comprises supports fixed to the front end and the rear end of the bottom plate, a lead screw is rotationally connected between the two supports, one end of the lead screw is in transmission connection with a driving motor, the lead screw is in threaded connection with a moving block, a second connecting plate is fixed to the inner side of the moving block, the second connecting plate is arranged in the connecting groove, and the second connecting plate and the connecting groove are connected through fixing bolts. The steel component spraying device is convenient to operate, and steel components can be evenly sprayed conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel structure spraying, and specifically relates to a spraying device for bridge steel structure. BACKGROUND

[0002] Bridge steel structure is a structure composed of steel materials, and mainly composed of steel beams, steel columns, steel trusses and the like. These components are made of profile steel, steel plates and the like. The bridge spans over a river, and the environment is relatively humid, so the corrosion and rust prevention performance of the bridge steel structure is required to be higher, and corresponding spraying of the components is an indispensable step. The conventional spraying device needs manual mixing of raw materials, has low efficiency and is inconvenient to move to a suitable position during use.

[0003] The patent with the patent publication number CN221157334U and the patent name of a movable spraying device for bridge steel structure discloses a technical scheme in which an automatic mixing structure improves the spraying efficiency, the device is moved to a designated place through the rollers on the base by pulling the handle on the back plate, and the device is convenient to move. However, in the process of use, some steel components need to be pre-sprayed, which saves the time of on-site operation. When the steel components are pre-sprayed, the worker needs to push the spraying device and run along the length direction of the steel component, and the worker also needs to hold the spray gun to spray, which is inconvenient to operate and is not convenient for uniform spraying of the steel component. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a spraying device for bridge steel structure, which is convenient to operate and convenient for uniform spraying of the steel component.

[0005] The utility model adopts the technical scheme that

[0006] A spraying device for bridge steel structure, comprising a bottom plate, a movable spraying device body is arranged on the top of the bottom plate, power devices are detachably connected to the two sides of the spraying device body, and supporting devices are detachably fixed to the front and rear ends of the bottom plate; the spraying device body comprises an assembly plate, a storage tank is detachably fixed to the middle part of the assembly plate, a spraying assembly is communicated with the storage tank, symmetrical supporting legs are fixed to the bottom of the assembly plate, an installation plate is fixed to the bottom of the supporting leg, a walking wheel is installed at the bottom of the installation plate, a first connecting plate is fixed to the outer side of the installation plate, and a connecting groove is arranged on the first connecting plate; the power device comprises brackets fixed to the front and rear ends of the bottom plate, a lead screw is rotatably connected between the two brackets, a driving motor is transmissionally connected to one end of the lead screw, a moving block is threadedly connected to the lead screw, a second connecting plate is fixed to the inner side of the moving block, the second connecting plate is arranged in the connecting groove, and the first connecting plate and the second connecting plate are detachably fixedly connected through fixing bolts.

[0007] Furthermore, guide devices are provided at both the front and rear ends of the base plate. The guide devices include two spaced L-shaped guide blocks. The guide blocks are detachably fixed to the base plate, and there is a gap between the two guide blocks corresponding to the traveling wheels.

[0008] Furthermore, the support device includes a vertical, height-adjustable adjusting rod. The fixed end of the adjusting rod is detachably fixed to the base plate, and the free end of the adjusting rod is detachably fixed to a placement plate. A support rod that can move back and forth is fixed to the side of the free end of the adjusting rod closest to the spraying device body.

[0009] Furthermore, the adjusting rod includes a sleeve that is detachably fixed to the base plate. A vertical rod is slidably connected inside the sleeve, and a locking bolt is threaded onto the sleeve. The inner end of the locking bolt is pressed against the vertical rod. The cross-sections of both the sleeve and the vertical rod are U-shaped. The vertical rod is provided with mounting holes corresponding to the support rod. One end of the support rod is referred to as the connecting end, and the other end of the support rod is referred to as the support end. The connecting end is threadedly connected to the mounting hole, and the connecting end extends outside the mounting hole and is fixed with a turntable.

[0010] Furthermore, the spraying assembly includes a spraying pump that is detachably fixed to the bottom of the assembly plate. The output end of the spraying pump is connected to a connecting pipe, and a valve is provided on the connecting pipe. A mounting bracket is provided below the assembly plate. A connecting device is detachably installed between the mounting bracket and the assembly plate. A spraying pipe is detachably fixed on the mounting bracket. Several spaced nozzles are fixed on the spraying pipe. Sealing caps are detachably fixed on the nozzles. The spraying pipe is connected to the output end of the spraying pump through the connecting pipe.

[0011] Furthermore, the connecting device includes a connecting rod, a sliding groove at the bottom of the assembly plate, a top of the connecting rod slidably connected in the sliding groove, and strip holes communicating with the sliding groove on the front and rear sides of the assembly plate. Limiting posts are threadedly connected to the front and rear sides of the assembly plate, with one end of the limiting post passing through the strip hole and threadedly connected with a locking nut. A first connecting block is fixed to the bottom of the connecting rod, and a second connecting block is fixed on the mounting bracket. The first connecting block and the second connecting block are detachably fixedly connected by fastening bolts.

[0012] Furthermore, a plug-in post is fixed on the first connecting block, and a plug-in hole that mates with the plug-in post is provided on the second connecting block.

[0013] The beneficial effects of this utility model are:

[0014] (1) The spraying device body is used to spray the steel components, the power device is used to drive the spraying device body to move back and forth along the base plate, so as to make it easy to spray the steel components evenly and to make it easy to operate. The support device is used to place the steel components to be sprayed and to provide support.

[0015] (2) The spraying device body and the power device are connected through the first connecting plate and the second connecting plate, the first connecting plate is provided with a connecting groove, during installation, the spraying device body is pushed, the second connecting plate enters the connecting groove from the front side or the rear side of the connecting groove, then the two are detachably fixed and connected through the fixing bolts, so that installation and disassembly are facilitated, when the spraying device body needs to be used alone, the fixing bolts are loosened, and the spraying device body is pushed out, so that the applicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a partial structural schematic view of the bottom plate;

[0018] Figure 3 It is a structural schematic view of the supporting device;

[0019] Figure 4 It is a structural schematic view of the moving block, the first connecting plate and the second connecting plate;

[0020] Figure 5 It is a partial sectional view of the connecting device.

[0021] In the drawing: 1-bottom plate, 2-bracket, 3-guiding device, 4-guiding block, 5-traveling wheel, 6-fixing block, 7-supporting device, 8-steel member, 9-assembling bolt, 10-spraying assembly, 11-mounting frame, 12-spraying pipe, 13-moving block, 14-driving motor, 15-second connecting plate, 16-fixing bolt, 17-first connecting plate, 18-mounting plate, 19-leg, 20-assembling plate, 21-strip-shaped hole, 22-handle, 23-storage tank, 24-feeding pipe, 25-lid, 26-top cover, 27-agitating device, 28-limiting column, 29-locking nut, 30-spraying gun, 31-spraying pump, 32-connecting rod, 33-first connecting block, 34-tightening bolt, 35-second connecting block, 36-nozzle, 37-sealing cover, 38-sleeve, 39-locking bolt, 40-vertical rod, 41-rotating disc, 42-placing plate, 43-supporting rod, 44-assembling hole, 45-screw, 46-insertion column. DETAILED DESCRIPTION

[0022] As Figures 1-5As shown, a kind of spraying device of bridge steel structure, including bottom plate 1, the top of bottom plate 1 is equipped with movable spraying device body, the two sides of spraying device body can be detachably connected with power device, for driving spraying device body moves along bottom plate 1 back and forth, it is convenient to carry out uniform spraying to steel member 8, it is convenient to operate, the front and rear ends of bottom plate 1 can be detachably fixed with support device 7, for placing the steel member 8 to be sprayed, play supporting role;Spraying device body includes assembly plate 20, handle 22 is fixed on the front side of assembly plate 20, it is convenient to push the spraying device, detachably fixed with storage tank 23 in the middle part of assembly plate 20, storage tank 23 is communicated with spraying assembly 10, the bottom of assembly plate 20 is fixed with symmetrical support leg 19, support leg 19 preferably uses the structure that can adjust height, can adopt the same structure with adjusting rod, also can adopt conventional telescopic device such as hydraulic cylinder, it is convenient to adjust the height of spraying device body according to needs, the bottom of support leg 19 is fixed with mounting plate 18, walking wheel 5 is installed on the bottom of mounting plate 18, it is convenient to push the spraying device body to the place that needs to be sprayed according to needs, first connecting plate 17 is fixed on the outside of mounting plate 18, and first connecting plate 17 is provided with connecting groove;Power device includes support 2 fixed on the front and rear ends of bottom plate 1, and screw rod 45 is rotatably connected between the two supports 2, one end of screw rod 45 is drivingly connected with drive motor 14, and moving block 13 is threadedly connected on screw rod 45, the inner side of moving block 13 is fixed with second connecting plate 15, and second connecting plate 15 is arranged in connecting groove, the side close to second connecting plate 15 of connecting groove and the front and rear sides of connecting groove are all open, in the installation process, it is convenient for second connecting plate 15 to enter into connecting groove from the front side or rear side of connecting groove, and first connecting plate 17 and second connecting plate 15 are detachably fixedly connected by fixed bolt 16, so as to facilitate installation and disassembly.

[0023] In order to increase the flowability of the coating, stirring device 27 is installed on storage tank 23, detachable top cover 26 is fixed on the top of storage tank 23, stirring motor is fixed on top cover 26, the output end of stirring motor extends into storage tank 23 and is fixed with stirring shaft, stirring blade is fixed on stirring shaft, stirring motor is electrified to work, drives stirring shaft and stirring blade to work, and stirs the coating, storage tank 23 is also provided with feed pipe 24, detachable cover 25 is fixed on feed pipe 24, and the like is a conventional setting, which will not be described here.

[0024] To facilitate pushing the spraying device body to a suitable position and connecting the spraying device body with the power unit, guide devices 3 are provided at both the front and rear ends of the base plate 1. The guide device 3 includes two spaced L-shaped guide blocks 4. The guide blocks 4 are detachably fixed on the base plate 1. There is a gap between the two guide blocks 4 corresponding to the traveling wheels 5. The traveling wheels 5 can roll along the gap. During installation, the traveling wheels 5 are aligned with the gap, and then the spraying device body is pushed forward so that the traveling wheels 5 enter the gap and move forward along the gap. When the second connecting plate 15 enters the connecting groove from the front or rear side, the first connecting plate 17 and the second connecting plate 15 are detachably fixed together by fixing bolts 16.

[0025] To accommodate various types of steel components 8, the support device 7 includes a vertical, height-adjustable adjusting rod. The fixed end of the adjusting rod is detachably fixed to the base plate 1, allowing for easy adjustment of the rod's installation position as needed. The free end of the adjusting rod is detachably fixed with a placement plate 42 for placing steel plates and other steel components 8. A support rod 43, which can move back and forth, is fixed to the side of the free end of the adjusting rod near the spraying device body for placing steel pipes and other steel components 8. The support rod 43 is positioned at both ends of the steel pipe and contacts the top of its inner wall, providing support.

[0026] To facilitate height adjustment of the adjusting rod, the adjusting rod includes a sleeve 38 detachably fixed to the base plate 1. A vertical rod 40 is slidably connected inside the sleeve 38, and a locking bolt 39 is threaded onto the sleeve 38. The inner end of the locking bolt 39 presses against the vertical rod 40 to lock the position of the vertical rod 40. When the height of the adjusting rod needs to be adjusted, the locking bolt 39 is loosened, the vertical rod 40 is moved up and down to the appropriate position, and then the locking bolt 39 is tightened. The cross-sections of both the sleeve 38 and the vertical rod 40 are U-shaped, facilitating the installation of the support rod 43. The vertical rod 40 is provided with a corresponding support rod 43. The mounting hole has one end of the support rod 43 designated as the connecting end and the other end as the supporting end. The connecting end is threaded into the mounting hole and extends out of the mounting hole, where a turntable 41 is fixed. Rotating the turntable 41 adjusts the distance between the two support rods 43. Before placing the steel pipe or other steel component 8, the distance between the two support rods 43 is made greater than the length of the steel pipe or other steel component 8. After placing the steel pipe or other steel component 8 between the two support rods 43, the position of the support rods 43 is adjusted so that the support rods 43 are set inside the steel pipe or other steel component 8 and contact the top of its inner wall, thus providing support.

[0027] To facilitate the adjustment of the installation position of the support device 7 on the base plate 1, a number of corresponding mounting holes 44 are provided in the length direction of the base plate 1. A fixing block 6 is fixed on the side of the sleeve 38, and a mounting bolt 9 is threadedly connected to the fixing block 6. The mounting bolt 9 can be threadedly connected to the corresponding mounting hole 44.

[0028] In order to facilitate spraying, the spraying assembly 10 comprises a spraying pump 31 detachably fixed at the bottom of the assembling plate 20, the output end of the spraying pump 31 is communicated with a connecting pipe, the connecting pipe is provided with a valve for facilitating the control of the on-off of the connecting pipe; a mounting rack 11 is arranged below the assembling plate 20, a connecting device is detachably arranged between the mounting rack 11 and the assembling plate 20 for connection, the mounting rack 11 is detachably fixed with a spraying pipe 12, a plurality of spaced nozzles 36 are fixed on the spraying pipe 12, and sealing covers 37 are detachably fixed on the nozzles 36, so that different positions and different numbers of nozzles 36 can be selected according to needs, the sealing covers 37 of the required nozzles 36 are removed in use, and the spraying pipe 12 is communicated with the output end of the spraying pump 31 through the connecting pipe, and the connecting pipe is selected as a hose for facilitating connection, which is not shown in the figure.

[0029] In order to improve the adaptability, the output end of the spraying pump 31 is communicated with a plurality of connecting pipes through joints, and the outer end of one of the connecting pipes is provided with a spray gun 30, so that the worker can hold the spray gun 30 to spray the local position of the steel member 8, which is convenient for operation; in order to facilitate placement, a clamping groove for clamping the spray gun 30 is arranged on the assembling plate 20.

[0030] In order to facilitate the movement of the position of the connecting device according to needs, the connecting device comprises a connecting rod 32, a sliding groove is arranged at the bottom of the assembling plate 20, the top of the connecting rod 32 is slidingly connected in the sliding groove, strip-shaped holes 21 communicated with the sliding groove are arranged on the front and rear sides of the assembling plate 20, limit posts 28 are threadedly connected to the front and rear sides of the assembling plate 20, one end of the limit post 28 penetrates through the strip-shaped hole 21 and is threadedly connected with a locking nut 29, when it is needed to move the position of the connecting device, the locking nut 29 is loosened, and after the connecting device is moved to a suitable position, the locking nut 29 is tightened again; the bottom end of the connecting rod 32 is fixed with a first connecting block 33, the mounting rack 11 is fixed with a second connecting block 35, the first connecting block 33 and the second connecting block 35 are detachably fixed and connected through a fastening bolt 34, so as to facilitate the replacement of a suitable mounting rack 11 according to needs, and the connecting rod 32 can drive the corresponding mounting rack 11 to move.

[0031] In order to facilitate the pre-installation of the first connecting block 33 and the second connecting block 35, the first connecting block 33 is fixed with a plug-in post 46, and the second connecting block 35 is provided with a plug-in hole matched with the plug-in post 46, during installation, the plug-in post 46 is first inserted into the corresponding plug-in hole, and then the two are further fixed through the fastening bolt 34.

[0032] When using the equipment, if batch spraying of steel components 8 is required, fix the base plate 1 in a suitable position, push the spraying device body to the base plate 1 and move along the guide device 3 on the base plate 1. After the second connecting plate 15 of the power unit enters the connecting groove, the first connecting plate 17 and the second connecting plate 15 are detachably fixedly connected by fixing bolts 16 to realize the detachable fixed connection between the spraying device body and the power unit. Place the steel component 8 to be sprayed between the two support devices 7. When the steel component 8 is a structure that is easy to place, such as a steel plate, place both ends of it on the top of the placement plate 42. When the steel component 8 is a steel pipe or other steel component with holes, place the support rod 43 in the hole of the steel component 8 for support. After the steel component 8 is placed in place, remove the sealing cap 37 on the corresponding nozzle 36 as needed and open the valve on the corresponding connecting pipe.

[0033] When the drive motor 14 and the spray pump 31 are powered on, the drive motor 14 drives the lead screw 45 to rotate. The moving block 13 is threadedly connected to the lead screw 45. Because the spray device body is detachably fixed to the power device, the moving block 13 drives the spray device body to move back and forth along the base plate 1, that is, along the length of the steel component 8. At the same time, the spray pump 31 pumps the paint out of the storage tank 23, which passes through the connecting pipe and the spray pipe 12 in sequence and is sprayed out from the nozzle 36 to uniformly spray the steel component 8.

[0034] When the spraying device body needs to be used alone, it can be disassembled from the power units on both sides and pushed to a suitable position for use.

[0035] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A spray device for bridge steel structures, comprising a base plate, characterized in that: The top of the bottom plate is provided with a movable spraying device body, the two sides of the spraying device body are detachably connected with power devices, and the front end and the rear end of the bottom plate are detachably fixed with supporting devices; the spraying device body comprises an assembly plate, a storage tank is detachably fixed to the middle part of the assembly plate, a spraying assembly is communicated with the storage tank, symmetrical supporting legs are fixed to the bottom of the assembly plate, an installation plate is fixed to the bottom of the supporting leg, a walking wheel is installed at the bottom of the installation plate, a first connecting plate is fixed to the outside of the installation plate, and a connecting groove is arranged on the first connecting plate; the power device comprises brackets fixed to the front end and the rear end of the bottom plate, a lead screw is rotatably connected between the two brackets, one end of the lead screw is drivingly connected with a driving motor, a moving block is threadedly connected to the lead screw, a second connecting plate is fixed to the inner side of the moving block, the second connecting plate is arranged in the connecting groove, and the first connecting plate and the second connecting plate are detachably fixedly connected through fixing bolts.

2. The bridge steel structure spraying apparatus according to claim 1, characterized in that: The front end and the rear end of the bottom plate are provided with guide devices, the guide device comprises two spaced L-shaped guide blocks, the guide blocks are detachably fixed on the bottom plate, and a spacing corresponding to the walking wheel is arranged between the two guide blocks.

3. The bridge steel structure spraying apparatus according to claim 1, characterized in that: The supporting device comprises a vertical and height-adjustable adjusting rod, the fixed end of the adjusting rod is detachably fixed on the bottom plate, and the free end of the adjusting rod is detachably fixed with a placing plate; a front-and-rear movable supporting rod is fixed to the side of the free end of the adjusting rod close to the spraying device body.

4. The bridge steel structure spraying apparatus according to claim 3, characterized in that: The adjusting rod comprises a sleeve detachably fixed on the bottom plate, a vertical rod is slidably connected in the sleeve, a locking bolt is threadedly connected to the sleeve, and the inner end of the locking bolt is tightly pressed against the vertical rod; the cross sections of the sleeve and the vertical rod are all in the shape of a back-to-back character; the vertical rod is provided with a mounting hole corresponding to the supporting rod, one end of the supporting rod is referred to as a connecting end, the other end of the supporting rod is referred to as a supporting end, the connecting end is threadedly connected with the mounting hole, and the connecting end extends out of the mounting hole and is fixed with a rotating disc.

5. The bridge steel structure spraying apparatus according to claim 1, characterized in that: The spraying assembly comprises a spraying pump detachably fixed to the bottom of the assembly plate, a connecting pipe is communicated with the output end of the spraying pump, and a valve is arranged on the connecting pipe; a mounting frame is arranged below the assembly plate, a connecting device is detachably arranged between the mounting frame and the assembly plate, a spraying pipe is detachably fixed to the mounting frame, a plurality of spaced nozzles are fixed to the spraying pipe, a sealing cover is detachably fixed to the nozzle, and the spraying pipe is communicated with the output end of the spraying pump through the connecting pipe.

6. The bridge steel structure spraying apparatus according to claim 5, characterized in that: The connecting device comprises a connecting rod, a sliding groove is arranged at the bottom of the assembly plate, the top of the connecting rod is slidably connected in the sliding groove, strip-shaped holes are arranged on the front side and the rear side of the assembly plate and communicated with the sliding groove, limit columns are threadedly connected to the front side and the rear side of the assembly plate, one end of the limit column penetrates through the strip-shaped hole and is threadedly connected with a locking nut, a first connecting block is fixed to the bottom end of the connecting rod, a second connecting block is fixed to the mounting frame, and the first connecting block and the second connecting block are detachably fixedly connected through fastening bolts.

7. The bridge steel structure spraying apparatus according to claim 6, characterized in that: A plug-in column is fixed to the first connecting block, and a plug-in hole matched with the plug-in column is arranged on the second connecting block.

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