Stay cable spraying device
By designing a cable-stayed spraying device and utilizing a combination of a walking mechanism and a spraying mechanism, safe, efficient, and uniform spraying of fire-retardant coatings was achieved, solving the problem of high-risk manual spraying in existing technologies and improving work efficiency and safety.
Patent Information
- Application Number
- CN202422750920.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-12
AI Technical Summary
The existing method of spraying fire-retardant coatings onto cable-stayed bridges is highly dangerous, inefficient, and results in uneven coating.
Design a cable-stayed bridge spraying device, including a walking mechanism and a spraying mechanism. The drive motor drives the gear plate to rotate, and the gear plate drives the slider to move along the annular guide rail, so as to realize the automatic spraying of fireproof coating on the surface of the cable-stayed bridge and avoid the coating delivery pipe from getting tangled.
It enables safe, efficient, and uniform spraying of fire-retardant coatings, replacing manual spraying and improving work efficiency and safety.
Smart Images

Figure CN223556304U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable-stayed bridge technical field, especially a cable spraying device. BACKGROUND
[0002] The cable as the main load-bearing part of the cable-stayed bridge, its safety is very important, since the cable can cause fire because of vehicle accident, lightning or other reasons, therefore, it is particularly necessary to spray fireproof paint on the cable, the fireproof paint can protect the cable under high temperature condition, slow down its heating, thereby protecting its structural integrity and carrying capacity.
[0003] Now the fireproof paint is all sprayed through the lift truck to the working height of the staff to carry out manual spraying, its work risk coefficient is high, and the work efficiency is low, and the spraying is uneven. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at overcoming the defects of prior art, provides a cable spraying device.
[0005] The utility model discloses a cable spraying device, including walking mechanism and spraying mechanism, walking mechanism installs on the outside of cable, and the end of walking mechanism is provided with annular guide rail, and the sliding installation of annular guide rail has sliding block, and the installation of sliding block has toothed disc a, and the side surface installation of toothed disc a has spraying mechanism, and the below of walking mechanism is installed with drive motor a, and the power output end of drive motor a is connected with toothed disc b, and toothed disc b is engaged with toothed disc a.
[0006] Preferably, the walking mechanism includes a walking frame, the walking frame includes an upper rod, a lower rod, a mounting ring, and a locking screw, the upper rod and the lower rod are located on the outside of the cable, and the locking screw is arranged between the upper rod and the lower rod, the end of the upper rod and the end of the lower rod are both mounted on the side surface of the mounting ring, the other side surface of the mounting ring is provided with an annular guide rail, and the drive motor a is mounted on the mounting ring, a plurality of conical wheels are arranged on the upper rod and the lower rod, the conical wheels are attached to the surface of the cable, and the conical wheels mounted on the upper rod are moved by the driving mechanism.
[0007] Preferably, a shaft is arranged in each conical wheel, and the two ends of the shaft are mounted on a mounting seat, and the mounting seat is fixedly mounted on the upper rod and the lower rod.
[0008] Preferably, the one end of the shaft located above the cable is provided with a bevel gear a, an installation rod is mounted on the upper rod, and the installation rod is located on one side of the conical wheel, a drive motor b is mounted on the installation rod, the power output end of the drive motor b is connected with a bevel gear b, and the bevel gear b is engaged with the bevel gear a.
[0009] Preferably, the spraying mechanism comprises a chassis, a vertical frame and a spray gun, the chassis is installed on the side of the toothed disc a, the end of the chassis is provided with the vertical frame, and the end of the vertical frame is provided with the spray gun.
[0010] Preferably, the number of spray guns is two, and the two spray guns are symmetrically distributed along the cable-stayed cable.
[0011] Preferably, a reinforcing rod is arranged between the chassis and the vertical frame.
[0012] The utility model has the advantages that: the utility model moves outside the cable-stayed cable through the walking mechanism, so that the spraying mechanism sprays fireproof paint on the surface of the cable-stayed cable, thereby replacing manual spraying, and meanwhile, the driving motor a drives the toothed disc b to rotate, the sliding block on the toothed disc a moves along the annular guide rail in the rotating process, so that the conveying pipe for conveying paint on the spray gun is prevented from being wound around the cable-stayed cable, and work efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of the cable-stayed cable spraying device.
[0014] Figure 2 It is a structural schematic view of the walking mechanism and the spraying mechanism.
[0015] In the drawing, 1 is a cable-stayed cable, 2 is a spraying mechanism, 3 is a walking mechanism, 4 is a conical wheel, 5 is a driven conical wheel, 6 is a walking frame, 7 is a locking screw, 8 is a driving motor b, 9 is a driving motor a, 10 is a mounting ring, 11 is a mounting seat, 12 is a mounting rod, 13 is a bevel gear b, 14 is a rotating shaft, 15 is a bevel gear a, 16 is a sliding block, 17 is an annular guide rail, 18 is a toothed disc a, 19 is a chassis, 20 is a reinforcing rod, and 21 is a vertical frame. DETAILED DESCRIPTION
[0016] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.
[0017] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0018] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.
[0019] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used 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. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0021] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0022] In this embodiment, as Figure 1 As shown, a cable-stayed bridge spraying device includes a traveling mechanism 3 and a spraying mechanism 2. The traveling mechanism 3 is installed on the outside of the cable-stayed bridge 1. An annular guide rail 17 is provided at the end of the traveling mechanism 3. A slider 16 is slidably installed on the annular guide rail 17. A gear plate a18 is installed on the slider 16. The spraying mechanism 2 is installed on the side of the gear plate a18. A drive motor a9 is installed below the traveling mechanism 3. The power output end of the drive motor a9 is connected to the gear plate b, and the gear plate b meshes with the gear plate a18. By moving the traveling mechanism 3 on the outside of the cable-stayed bridge 1, the spraying mechanism 2 sprays fire-retardant coating onto the surface of the cable-stayed bridge 1, thereby replacing manual spraying. At the same time, the drive motor a9 drives the gear plate b to rotate. During the rotation of the gear plate b, the slider 16 on the gear plate a18 moves along the annular guide rail 17, thereby preventing the delivery pipe on the spray gun used to deliver the coating from getting tangled with the cable-stayed bridge 1, ensuring work efficiency.
[0023] Furthermore, such as Figure 2As shown, the walking mechanism 3 comprises a walking frame 6, the walking frame 6 comprises an upper rod, a lower rod, a mounting ring 10 and a locking screw 7, the upper rod and the lower rod are located on the outer side of the cable-stayed cable 1, and the locking screw 7 is arranged between the upper rod and the lower rod, the end of the upper rod and the lower rod is mounted on the side of the mounting ring 10, the other side of the mounting ring 10 is provided with an annular guide rail 17, and the driving motor a9 is mounted on the mounting ring 10, a plurality of conical wheels 4 are arranged on the upper rod and the lower rod, the conical wheels 4 are attached to the surface of the cable-stayed cable 1, and the conical wheels 4 mounted on the upper rod are moved by the driving mechanism. Further, a rotating shaft 14 is arranged in each conical wheel 4, the two ends of the rotating shaft 14 are mounted on a mounting seat 11, and the mounting seat 11 is fixedly mounted on the upper rod and the lower rod. Preferably, one end of the rotating shaft 14 located above the cable-stayed cable 1 is provided with a bevel gear a15, a mounting rod 12 is mounted on the upper rod, and the mounting rod 12 is located on one side of the conical wheel 4, a driving motor b8 is mounted on the mounting rod 12, the power output end of the driving motor b8 is connected with a bevel gear b13, and the bevel gear b13 is engaged with the bevel gear a15. Specifically, the driving motor b8 is started to drive the bevel gear b13 to rotate, since the bevel gear b13 is engaged with the bevel gear a15, the bevel gear a15 is driven to rotate, thereby driving the rotating shaft 14 to rotate, the rotating shaft 14 drives the conical wheels 4 on the upper rod to rotate in the rotating process, that is, the driving conical wheel, the conical wheels 4 on the upper rod drive the conical wheels 4 on the lower rod to rotate in the rotating process, that is, the driven conical wheel 5, thereby driving the spraying mechanism 2 to move along the outer side of the cable-stayed cable 1, spraying fireproof paint on the surface of the cable-stayed cable 1, the main function of the locking screw 7 is to lock the upper rod and the lower rod, provide the clamping force required for crawling, and make the conical wheels 4 adhere to the surface of the cable-stayed cable 1. In this embodiment, the upper rod, the lower rod and the mounting rod 12 are made of carbon fiber, thereby realizing the lightweight of the walking frame 5.
[0024] In this embodiment, the spraying mechanism 2 comprises a base frame 19, a vertical frame 21 and a spray gun, the base frame 19 is mounted on the side of the gear disc a18, the end of the base frame 19 is provided with the vertical frame 21, and the end of the vertical frame 21 is provided with the spray gun. Preferably, the number of spray guns is two, and the two spray guns are symmetrically distributed along the cable-stayed cable 1. Specifically, the driving motor a9 drives the gear disc b to rotate, the gear disc b drives the sliding block 16 on the gear disc a18 to move along the annular guide rail 17 in the rotating process, thereby making the spray gun make a circular motion around the cable-stayed cable 1, and also preventing the conveying pipe for conveying paint from being wound around the cable-stayed cable 1. In this embodiment, the spray gun makes a reciprocating selective motion of 180°~+180° around the cable-stayed cable 1, the spray gun is the existing spray gun, which can be obtained by purchase, and is not improved here, so it will not be described here. Further, the base frame 19 and the vertical frame 21 are provided with a reinforcing rod 20. Specifically, the main function of the reinforcing rod 20 is to increase the connection strength between the base frame 19 and the vertical frame 21, thereby ensuring the stability of the spray gun.
[0025] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A stay cable spraying device, characterized by: The utility model provides a kind of cable spraying device, including walking mechanism (3) and spraying mechanism (2), the walking mechanism (3) is installed on the outside of cable (1), the end of walking mechanism (3) is provided with annular guide rail (17), slidingly installed slider (16) on annular guide rail (17), the slider (16) is installed with gear disc a (18), gear disc a (18) side is installed with spraying mechanism (2), the lower of walking mechanism (3) is installed with drive motor a (9), the power output end of drive motor a (9) is connected with gear disc b, and gear disc b is engaged with gear disc a (18).
2. A stay cable spraying apparatus according to claim 1, characterised in that: The walking mechanism (3) includes a walking frame (6), the walking frame (6) includes an upper rod, a lower rod, a mounting ring (10) and a locking screw (7), the upper rod and the lower rod are located outside the cable (1), and the locking screw (7) is arranged between the upper rod and the lower rod, the ends of the upper rod and the lower rod are mounted on the side of the mounting ring (10), the other side of the mounting ring (10) is provided with the annular guide rail (17), and the drive motor a (9) is mounted on the mounting ring (10), a plurality of conical wheels (4) are arranged on the upper rod and the lower rod, the conical wheels (4) are attached to the surface of the cable (1), and the conical wheels (4) mounted on the upper rod are moved by a driving mechanism.
3. A stay cable spraying apparatus according to claim 2, wherein: The conical wheels (4) are each provided with a rotating shaft (14), the two ends of the rotating shaft (14) are mounted on a mounting seat (11), and the mounting seat (11) is fixedly mounted on the upper rod and the lower rod.
4. A stay cable spraying apparatus according to claim 3, characterised in that: The end of the rotating shaft (14) located above the cable (1) is provided with a bevel gear a (15), an installation rod (12) is mounted on the upper rod, the installation rod (12) is located on one side of the conical wheel (4), a drive motor b (8) is mounted on the installation rod (12), the power output end of the drive motor b (8) is connected with a bevel gear b (13), and the bevel gear b (13) is engaged with the bevel gear a (15).
5. A stay cable spraying apparatus according to claim 4, wherein: The spraying mechanism (2) includes a chassis (19), a vertical frame (21) and a spray gun, the chassis (19) is mounted on the side of the gear disc a (18), the end of the chassis (19) is provided with the vertical frame (21), and the end of the vertical frame (21) is provided with the spray gun.
6. A stay cable spraying apparatus according to claim 5, characterised in that: The number of spray guns is two, and the two spray guns are symmetrically distributed along the cable (1).
7. A stay cable spraying apparatus according to claim 6, characterised in that: A reinforcing rod (20) is arranged between the chassis (19) and the vertical frame (21).