Portable anti-corrosion spraying device for the outer side of bridge

Abstract

The present invention discloses a convenient anti-corrosion spraying device for the outer side of a bridge. The electric flatbed truck is movably connected to a connecting frame through a movable traction mechanism at one side end thereof. A traction pulley is fixedly connected to a side of an inner side end of the connecting frame close to a side working frame, and a supporting walking pulley is fixedly connected to a side of an inner side end of the side working frame close to the connecting frame. An adjustable spraying rod is fixedly connected to the bottom end of the side working frame. The present invention forms an anti-corrosion spraying device for the outer side of a bridge through an electric flatbed truck, a movable traction mechanism, an adjustable spraying rod, an adjusting nozzle and a walking working frame. The device not only has a simple structure and is easy to operate, but can also meet the use requirements of operators. At the same time, the spraying device can effectively realize large-area adjustable continuous operation, which can effectively reduce the working difficulty of workers, and at the same time greatly ensure the working safety of workers, accelerate the working efficiency, and improve the spraying quality.

Description

Technical Field

[0001] The invention relates to the technical field of bridge construction, and in particular to a convenient anti-corrosion spraying device for the outer side of a bridge. Background Art

[0002] The key to protecting the bridge concrete from corrosion and extending the structural strength in the later stage is to apply anti-corrosion coating on the outside of the bridge guardrail, bridge web and flange plate. The construction quality of anti-corrosion coating is particularly important. On the premise of ensuring construction safety, improving the spraying quality and construction efficiency of anti-corrosion coating has become the key point for the company's industry competition, cost control and project profitability.

[0003] At present, the anti-corrosion coating on the web of the outer guardrail of the bridge is generally sprayed manually by bridge inspection vehicles and lifting vehicles. This method is relatively safe, but the construction cost is high and the construction site has requirements. Alternatively, it is sprayed manually by hanging basket, which has great safety hazards. The workers have a small working space and inconvenient operation. The construction efficiency is slow, and the uniformity of the coating is difficult to guarantee. Summary of the invention

[0004] The present invention provides a convenient anti-corrosion spray device for the outside of a bridge, which can effectively solve the problems proposed in the above-mentioned background technology of using a bridge inspection vehicle or a lifting vehicle for manual spraying, which is relatively safe but has high construction costs and construction site requirements, or using a hanging basket for manual spraying, which has great construction safety hazards, small working space for workers, inconvenient operation, slow construction efficiency, and difficulty in ensuring the uniformity of the coating.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a portable anti-corrosion spraying device for the outer side of a bridge, comprising an electric flatbed vehicle, wherein the four corners of the bottom of the electric flatbed vehicle are fixedly connected to a traveling pulley for driving, a storage box for storing spraying liquid is placed on one side of the top of the electric flatbed vehicle, a hydraulic pump is fixedly installed on the top of the electric flatbed vehicle at a position on one side of the storage box, and a movable traction mechanism for connection and traction is symmetrically connected to one side end of the electric flatbed vehicle;

[0006] The electric flatbed trolley is movably connected to the connecting frame through a movable traction mechanism at one side end of the electric flatbed trolley, a top supporting frame is transversely fixedly connected to one side of the top of the connecting frame, a side operating frame is fixedly connected to the bottom end of one side of the top supporting frame at a position corresponding to the connecting frame, a traction pulley is fixedly connected to the inner side end of the connecting frame close to the side operating frame, a supporting walking pulley is fixedly connected to the inner side end of the side working frame close to the connecting frame, a mounting cross frame is transversely fixedly connected to the inner middle end of the top supporting frame, and top walking pulleys are symmetrically fixedly connected to the bottom ends of the mounting cross frame on both sides;

[0007] The bottom end of the side working frame is fixedly connected with an adjustable spray rod, the inner side edge of the adjustable spray rod is equidistantly connected with an adjustable nozzle on one side close to the electric flatbed truck, and the end of the adjustable nozzle is connected with a spray pipe, and the bottom edge of the adjustable spray rod is fixedly connected with a walking working frame.

[0008] Preferably, the electric flatbed cart is driven by power provided by a battery, and an operating handle is connected to the middle of one side of the top of the electric flatbed cart.

[0009] Preferably, the hydraulic pump is powered by a gasoline engine to provide power for the spraying operation of adjusting the nozzle, and the bottom of the hydraulic pump is fixedly connected to the top of the electric flatbed truck through a stable bottom plate.

[0010] Preferably, the traction pulley, the supporting walking pulley and the top walking pulley are fixedly connected to the connecting frame, the side working frame and the mounting cross frame respectively through pulley brackets, and the traction pulley, the supporting walking pulley and the top walking pulley have the same specifications.

[0011] Preferably, two groups of traction pulleys are provided, two groups of supporting walking pulleys are provided, and four groups of top walking pulleys are provided, and the traction pulleys, supporting walking pulleys and top walking pulleys are all in contact with the outer side of the bridge guardrail, and the traction pulleys and supporting walking pulleys are used to adjust the forward direction of the connecting frame, the side working frame and the top supporting frame, and the top walking pulley is used to support the adjustment of the connecting frame, the top supporting frame and the side working frame.

[0012] Preferably, the adjustable spray head is detachably connected via bolts, and mounting notches that cooperate with the bolts are evenly provided on the sides of the adjustable spray rod.

[0013] Preferably, the regulating nozzle is connected to a fluid delivery pipe of a hydraulic pump via a spray pipe connected to an end portion of the regulating nozzle, and a hydraulic controller is connected between the fluid delivery pipe and the hydraulic pump.

[0014] Preferably, a working platform is fixedly connected to the bottom end of the walking working frame, and protective baffles are fixedly connected to each side end of the top of the working platform at the edge of the walking working frame.

[0015] Preferably, the movable traction mechanism is composed of a movable connecting seat, a connecting support rod and a movable sleeve;

[0016] The top edge of the electric flatbed trolley and the bottom edge of the connecting frame are both connected with a movable connecting seat, and the movable connecting seat at the top edge of the electric flatbed trolley is movably connected to the movable sleeve, and the movable connecting seat at the bottom edge of the connecting frame is movably connected to the connecting support rod.

[0017] Preferably, the connecting rod is installed inside the movable sleeve, and the inside of the movable sleeve and the connecting rod are connected via a damper.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. A stable sliding traction mechanism is formed by connecting the frame, the top support frame, the side working frame, the traction pulley, the supporting walking pulley, the mounting cross frame and the top walking pulley, so that the electric flatbed truck can drive the adjustable spray rod and the adjusting nozzle to move stably and synchronously during the actual forward movement, so as to facilitate the operators to carry out synchronous spraying operations according to the movement of the electric flatbed truck in the walking working frame, and in the process of movement, the movable traction mechanism ensures the synchronous movement of the electric flatbed truck and the adjustable spray rod during driving, and can also effectively avoid the shaking of the device caused by fine-tuning of the vehicle trajectory during the driving of the electric flatbed truck.

[0020] 2. In the process of the electric flatbed car driving the adjustable spray rod and the adjustable nozzle to move synchronously, a large area spraying treatment is carried out through the coordinated influence of the storage box, the hydraulic pump and the adjustable nozzle, and the spraying method makes the paint formed on the surface of the guardrail at one time, thereby effectively ensuring the uniformity of the coating and effectively improving the construction quality. At the same time, there is no need for manual spraying, with a high degree of automation and low labor intensity. The spray rod is an adjustable spray rod, and the nozzle is an adjustable nozzle. Therefore, in the actual spraying operation, it is convenient to effectively adjust the spraying area and the spraying amount, and then it is convenient to make flexible adjustments according to the actual spraying operation needs, so that the device has a wider range of applications.

[0021] 3. Spraying is achieved through the cooperation of storage boxes, hydraulic pumps and adjustable nozzles, replacing the traditional manual spraying method. During the spraying process, external construction personnel only need to check and adjust the quality of the sprayed finished products. There is no need for excessive intervention by operators, and there is no need for manual spraying by staff, which effectively reduces the difficulty of spraying work and ensures the construction safety of operators.

[0022] To sum up the above, the anti-corrosion spraying device for the outer side of the bridge is composed of an electric flatbed truck, a movable traction mechanism, a side working frame, an adjustable spray rod, an adjustable nozzle and a walking working frame. It is not only simple in structure and easy to operate, but also can meet the use requirements of the operators. At the same time, the spraying device can effectively realize large-area adjustable continuous operation, which can effectively reduce the difficulty of workers' operations, and at the same time greatly ensure the workers' operating safety, speed up the operating efficiency, and improve the spraying quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0024] In the attached picture:

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the installation structure of the installation cross frame of the present invention;

[0027] Figure 3 It is a schematic diagram of the connection structure of the movable traction mechanism of the present invention;

[0028] Figure 4 It is a schematic diagram of the connection structure of the spray pipe of the present invention;

[0029] Figure 5 It is a schematic diagram of the installation structure of the regulating nozzle of the present invention;

[0030] Figure 6 It is a schematic diagram of the installation structure of the movable connection seat of the present invention;

[0031] Numbers in the figure: 1. Electric flatbed car; 2. Traveling pulley; 3. Storage box; 4. Hydraulic pump; 5. Movable traction mechanism; 6. Connecting frame; 7. Top supporting frame; 8. Side working frame; 9. Traction pulley; 10. Support walking pulley; 11. Mounting cross frame; 12. Top walking pulley; 13. Adjustable spray rod; 14. Adjusting nozzle; 15. Spraying pipe; 16. Traveling working frame; 17. Working platform; 18. Protective baffle; 19. Movable connecting seat; 20. Connecting support rod; 21. Movable sleeve. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0033] Example: Figure 1-6As shown, the present invention provides a technical solution, a convenient anti-corrosion spraying device for the outer side of a bridge, including an electric flatbed trolley 1. The electric flatbed trolley 1 is easy to operate and has a simple body structure. The top surface can provide a wide working surface, which is convenient for placing hydraulic equipment and raw materials. The electric flatbed trolley 1 is driven by a battery, and an operating handle is connected to the middle of one side of the top of the electric flatbed trolley 1 to facilitate the advancement of the electric flatbed trolley 1 and to facilitate the control of the electric flatbed trolley 1. The four corners of the bottom of the electric flatbed trolley 1 are fixedly connected with traveling pulleys 2 for driving. A storage box 3 for storing spraying liquid is placed on one side of the top of the electric flatbed trolley 1. A hydraulic pump 4 is fixedly installed on the top of the electric flatbed trolley 1 at a position on one side of the storage box 3. A movable traction mechanism 5 for connection and traction is symmetrically connected to one side end of the electric flatbed trolley 1.

[0034] The electric flatbed vehicle 1 is movably connected to the connecting frame 6 through a movable traction mechanism 5 at one side end thereof, a top support frame 7 is transversely fixedly connected to one side of the top of the connecting frame 6, a side working frame 8 is fixedly connected to the bottom end of one side of the top supporting frame 7 at a position corresponding to the connecting frame 6, a traction pulley 9 is fixedly connected to the side of the inner side end of the connecting frame 6 close to the side working frame 8, a supporting walking pulley 10 is fixedly connected to the side of the inner side end of the side working frame 8 close to the connecting frame 6, a mounting cross frame 11 is transversely fixedly connected to the inner middle end of the top supporting frame 7, and top walking pulleys 12 are symmetrically fixedly connected to both sides of the bottom end of the mounting cross frame 11;

[0035] The traction pulley 9, the supporting walking pulley 10 and the top walking pulley 12 are respectively fixedly connected to the connecting frame 6, the side working frame 8 and the installation cross frame 11 through the pulley bracket, and the traction pulley 9, the supporting walking pulley 10 and the top walking pulley 12 have the same specifications, which is convenient for the installation and connection of the traction pulley 9, the supporting walking pulley 10 and the top walking pulley 12. The traction pulley 9 is provided with two groups, the supporting walking pulley 10 is provided with two groups, and the top walking pulley 12 is provided with four groups, and the traction pulley 9, the supporting walking pulley 10 are provided with two groups, and the top walking pulley 12 is provided with four groups. 0 and the top walking pulley 12 are in contact with the outer side of the bridge guardrail, the traction pulley 9 and the supporting walking pulley 10 are used to adjust the forward direction of the connecting frame 6, the side working frame 8 and the top supporting frame 7, and the top walking pulley 12 is used to support the adjusting connecting frame 6, the top supporting frame 7 and the side working frame 8, so as to facilitate the control of the forward direction of the adjusting connecting frame 6, the side working frame 8 and the top supporting frame 7, and at the same time facilitate the support of the adjusting connecting frame 6, the top supporting frame 7 and the side working frame 8;

[0036] An adjustable spray rod 13 is fixedly connected to the bottom end of the side working frame 8, and an adjustable nozzle 14 is equidistantly connected to the inner side edge of the adjustable spray rod 13 near the side of the electric flatbed truck 1. The hydraulic pump 4 is powered by a gasoline engine to provide power for the spraying operation of the adjustable nozzle 14, which is convenient for operation in the wild without power supply. The bottom of the hydraulic pump 4 is fixedly connected to the top of the electric flatbed truck 1 through a stable bottom plate to ensure the stability of the hydraulic pump 4 during operation, and a spray pipe 15 is connected to the end of the adjustable nozzle 14. The bottom edge of the adjustable spray rod 13 is fixedly connected to a walking working frame 16, and the bottom end of the walking working frame 16 is fixedly connected to a working platform 17. The top edges of the working platform 17 are fixedly connected to protective baffles 18 at the edges of the walking working frame 16, which facilitates the spraying operation of the staff and provides safety protection for the operators.

[0037] The adjusting nozzle 14 is detachably connected with the nozzle by bolts, and the side of the adjustable spray rod 13 is evenly provided with mounting notches connected with the bolts, which is convenient for installing and fixing the adjusting nozzle 14, and convenient for adjusting the mounting position of the adjusting nozzle 14, so as to adjust the spraying specifications according to needs. The adjusting nozzle 14 is connected with the infusion pipe of the hydraulic pump 4 through the spray pipe 15 connected at its end, and a hydraulic controller is connected between the infusion pipe and the hydraulic pump 4, so as to facilitate the adjusting nozzle 14 to perform normal spraying operations, and convenient for controlling the spraying pressure of the adjusting nozzle 14, so as to facilitate flexible adjustment according to needs;

[0038] The movable traction mechanism 5 is composed of a movable connecting seat 19, a connecting support rod 20 and a movable sleeve 21. The top edge of the electric flatbed trolley 1 and the bottom edge of the connecting frame 6 are both connected with the movable connecting seat 19, and the movable connecting seat 19 located at the top edge of the electric flatbed trolley 1 is movably connected to the movable sleeve 21, and the movable connecting seat 19 located at the bottom edge of the connecting frame 6 is movably connected to the connecting support rod 20. The connecting support rod 20 is installed inside the movable sleeve 21, and the inside of the movable sleeve 21 is connected to the connecting support rod 20 through a damper, which can effectively prevent the adjustable spray rod 13 from shaking due to fine-tuning of the trajectory of the electric flatbed trolley 1 during the movement of the electric flatbed trolley 1.

[0039] Working principle and use process of the present invention: In the actual application process of the portable bridge outer side anti-corrosion spraying device, firstly, a worker enters the walking working frame 16, and the working platform 17 is used to provide a working space for the worker, and the protective baffle 18 and the walking working frame 16 ensure the working safety of the worker;

[0040] Next, the anti-corrosion spray liquid in the storage box 3 is transported to the spray pipe 15 through the hydraulic pump 4, and the spray pipe 15 transports the spray liquid to the regulating nozzle 14. When the spray liquid is sprayed on the guardrail, the spray area and the spray amount are effectively adjusted by the adjustable spray rod 13 and the regulating nozzle 14. After the adjustment, the spray position of the regulating nozzle 14 is fixed, and the hydraulic pump 4 is turned off;

[0041] After the preparation work is completed, another operator drives the electric flatbed trolley 1 on the bridge. When the electric flatbed trolley 1 moves on the bridge through the traveling pulley 2, the connecting frame 6 is driven to move synchronously through the movable traction mechanism 5. The movable traction mechanism 5 composed of the movable connecting seat 19, the connecting support rod 20 and the movable sleeve 21 can effectively avoid the shaking of the device caused by the fine adjustment of the vehicle trajectory during the movement of the electric flatbed trolley 1. In addition, during the movement of the connecting frame 6, the top support frame 7 and the side working frame 8 connected thereto will also move accordingly, and the connecting frame 6, the top support frame 7 and the side working frame 8 will move synchronously during the movement. , the traction pulley 9, the supporting walking pulley 10 and the top walking pulley 12 on the inner side of the connecting frame 6, the top supporting frame 7 and the side working frame 8 will respectively contact the outer side of the bridge guardrail, and in the process of moving, the traction pulley 9 and the supporting walking pulley 10 can control the moving direction of the connecting frame 6, the top supporting frame 7 and the side working frame 8, and the top walking pulley 12 will support the installation cross frame 11, the connecting frame 6, the top supporting frame 7 and the side working frame 8, so that the device can stably move synchronously with the electric flatbed vehicle 1, avoiding the device from shaking significantly, and ensuring the construction safety of the operators;

[0042] When the side working frame 8 moves synchronously with the electric flatbed truck 1, the adjustable spray rod 13, the adjusting nozzle 14 and the walking working frame 16 will also move forward. At this time, the hydraulic pump 4 is started again, and the spray liquid is transported to the adjusting nozzle 14 through the hydraulic pump 4. The anti-corrosion spray liquid is evenly sprayed onto the bridge guardrail through the adjusting nozzle 14, so that the anti-corrosion spray liquid can be sprayed on the surface of the guardrail in a one-time forming manner, which effectively ensures the uniformity of the guardrail coating and improves the construction quality. At the same time, the spraying process does not require manual spraying, and has a high degree of automation and low labor intensity.

[0043] Finally, it should be noted that the above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable anti-corrosion spraying device for the outer side of a bridge, comprising an electric flatbed vehicle (1), characterized in that: The four corners of the bottom of the electric flatbed trolley (1) are fixedly connected to travel pulleys (2) for driving, a storage box (3) for storing spray liquid is placed on one side of the top of the electric flatbed trolley (1), a hydraulic pump (4) is fixedly installed on the top of the electric flatbed trolley (1) at a position on one side of the storage box (3), and a movable traction mechanism (5) for connection and traction is symmetrically connected to one side end of the electric flatbed trolley (1); The electric flatbed vehicle (1) is movably connected to the connecting frame (6) through a movable traction mechanism (5) at one side end thereof; a top support frame (7) is transversely fixedly connected to one side of the top of the connecting frame (6); a side operating frame (8) is fixedly connected to the bottom end of one side of the top supporting frame (7) at a position corresponding to the connecting frame (6); a traction pulley (9) is fixedly connected to the side of the inner side end of the connecting frame (6) close to the side operating frame (8); a supporting walking pulley (10) is fixedly connected to the side of the inner side end of the side operating frame (8) close to the connecting frame (6); a mounting cross frame (11) is transversely fixedly connected to the inner middle end of the top supporting frame (7); and top walking pulleys (12) are symmetrically fixedly connected to both sides of the bottom end of the mounting cross frame (11); The bottom end of the side working frame (8) is fixedly connected to an adjustable spraying rod (13), an adjustable spraying head (14) is equidistantly connected to the inner side edge of the adjustable spraying rod (13) close to the electric flatbed vehicle (1), and the end of the adjustable spraying head (14) is connected to a spraying pipe (15), and the bottom edge of the adjustable spraying rod (13) is fixedly connected to a walking working frame (16); The regulating nozzle (14) is connected to the infusion pipe of the hydraulic pump (4) via a spray pipe (15) connected to the end thereof, and a hydraulic controller is connected between the infusion pipe and the hydraulic pump (4); The movable traction mechanism (5) is composed of a movable connecting seat (19), a connecting support rod (20) and a movable sleeve (21); The top edge of the electric flatbed vehicle (1) and the bottom edge of the connecting frame (6) are both connected to a movable connecting seat (19), and the movable connecting seat (19) at the top edge of the electric flatbed vehicle (1) is movably connected to the movable sleeve (21), and the movable connecting seat (19) at the bottom edge of the connecting frame (6) is movably connected to the connecting support rod (20); The connecting support rod (20) is installed inside the movable sleeve (21), and the inside of the movable sleeve (21) and the connecting support rod (20) are connected via a damper.

2. The portable anti-corrosion spraying device for the outer side of a bridge according to claim 1 is characterized in that: The electric flatbed vehicle (1) is driven by power provided by a battery, and an operating handle is connected to the middle of one side of the top end of the electric flatbed vehicle (1).

3. The portable anti-corrosion spraying device for the outer side of a bridge according to claim 1 is characterized in that: The hydraulic pump (4) is powered by a gasoline engine to provide power for the spraying operation of the regulating nozzle (14), and the bottom of the hydraulic pump (4) is fixedly connected to the top of the electric flatbed vehicle (1) via a stabilizing bottom plate.

4. The portable anti-corrosion spraying device for the outer side of a bridge according to claim 1 is characterized in that: The traction pulley (9), the supporting walking pulley (10) and the top walking pulley (12) are respectively fixedly connected to the connecting frame (6), the side working frame (8) and the mounting cross frame (11) through the pulley bracket, and the traction pulley (9), the supporting walking pulley (10) and the top walking pulley (12) have the same specifications.

5. The portable anti-corrosion spraying device for the outer side of a bridge according to claim 1 is characterized in that: The traction pulley (9) is provided with two groups, the supporting walking pulley (10) is provided with two groups, and the top walking pulley (12) is provided with four groups, and the traction pulley (9), the supporting walking pulley (10) and the top walking pulley (12) are all in contact with the outer side of the bridge guardrail, the traction pulley (9) and the supporting walking pulley (10) are used to adjust the forward direction of the connecting frame (6), the side working frame (8) and the top supporting frame (7), and the top walking pulley (12) is used to support the adjusting connecting frame (6), the top supporting frame (7) and the side working frame (8).

6. The portable anti-corrosion spraying device for the outer side of a bridge according to claim 1 is characterized in that: The adjustable spray head (14) is detachably connected to the adjustable spray rod (13) via bolts, and mounting notches that cooperate with the bolts are evenly arranged on the side of the adjustable spray rod (13).

7. The portable anti-corrosion spraying device for the outer side of a bridge according to claim 1 is characterized in that: The bottom end of the walking working frame (16) is fixedly connected to a working platform (17), and each side end of the top of the working platform (17) located at the edge of the walking working frame (16) is fixedly connected to a protective baffle (18).

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