Telescopic protection assembly for fire fighting truck water cannon
By designing a sliding bottom plate and a telescopic mechanism driven by a hydraulic cylinder, the problem of the fire truck water cannon protective box not being telescopic was solved, achieving the effects of space saving and water cannon protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 古雷港经济开发区消防救援大队
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-17
AI Technical Summary
The protective housing of existing fire truck water cannons does not have a telescopic function, resulting in a waste of space resources.
A telescopic mechanism comprising a chute base plate, a hydraulic cylinder, and a baffle was designed. The hydraulic cylinder drives the slide block and the baffle to unfold and fold, thereby achieving protection of the water cannon and saving space.
It allows the baffle to be folded and stored when not in use, saving space, and to be deployed to protect the water cannon from damage when needed.
Smart Images

Figure CN224126474U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire-fighting equipment technology, and in particular to a telescopic protective component for fire truck water cannons. Background Technology
[0002] With social development and the expansion of urban areas, a large number of densely populated places such as high-rise buildings and public entertainment venues have emerged, making the fire protection and fire fighting and rescue tasks of fire departments increasingly heavy. After a fire breaks out, traditional fire trucks need to get close to the fire source to put out the fire, while some modified fire trucks need to enter the fire scene to conduct fire reconnaissance, rescue and fire fighting. Fire trucks are usually equipped with water cannons so that they can spray water to extinguish the fire from the top of the vehicle.
[0003] In the prior art, application number CN201720913666.5 provides a fire truck, which includes a vehicle body and a water cannon mounted on the top of the vehicle body, and also includes a protective housing, in which the water cannon is housed, and the protective housing is detachably mounted on the top of the vehicle body.
[0004] Although the protective housing installed on the outside of the water cannon can be disassembled and reassembled as a whole, which facilitates the maintenance of the water cannon inside the protective housing, this protective housing does not have the function of telescopic and folding, which wastes a lot of space resources. Utility Model Content
[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a telescopic protective component for fire truck water cannons.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A telescopic protective assembly for a fire truck water cannon includes a vehicle body, a water cannon body, and a telescopic mechanism. The water cannon body is movably mounted on the top of the vehicle body. The telescopic mechanism includes a sliding base plate, which is fixedly connected to the vehicle body. A first hydraulic cylinder is fixed in the sliding base plate. A first piston rod is installed at the output end of the first hydraulic cylinder. A slider is fixed at the end of the first piston rod. Strip-shaped guide holes are provided on both sides of the sliding base plate, and the strip-shaped guide holes match the slider.
[0008] Preferably, a push rod is rotatably mounted on one side of the slider, and a connecting sleeve is rotatably mounted on the other end of the push rod, wherein the connecting sleeve is rotatably connected to the vehicle body.
[0009] Preferably, a shaft is fixed on the connecting sleeve, and two baffles are symmetrically mounted on the outer side of the shaft.
[0010] Preferably, a second hydraulic cylinder is fixed at the middle position on one side of the connecting sleeve, and a second piston rod is installed at the output end of the second hydraulic cylinder.
[0011] Preferably, two connecting rods are rotatably mounted at the end of the second piston rod, and a sliding sleeve is rotatably mounted at the other end of each of the two connecting rods. A sliding rod is passed through the sliding sleeve, and the sliding sleeve and the sliding rod are slidably connected. The sliding rod is fixedly connected to the baffle.
[0012] This utility model has the following beneficial effects:
[0013] The first hydraulic cylinder acts on the first piston rod, causing the piston rod to push the slider to move on the bottom plate of the slide groove. The slider applies thrust to the connecting sleeve through the push rod. Since the connecting sleeve is rotatably connected to the vehicle body, it can push the two baffles to a vertical position. Then, the second hydraulic cylinder acts on the second piston rod, causing the second piston rod to pull one end of the connecting rod, and the other end pushes the sliding sleeve to slide on the slide rod. Since the slide rod is fixed to the baffle, it applies thrust to the baffle, which can unfold the two baffles to separate external objects from the fire truck's water cannon and provide protection for the water cannon. Conversely, the baffles can be folded and stored to save space. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the telescopic mechanism of this utility model;
[0016] Figure 3 for Figure 2 Enlarged structural diagram at point A;
[0017] Figure 4 for Figure 2 Enlarged structural diagram at point B;
[0018] Figure 5 for Figure 2 Enlarged structural diagram at point C;
[0019] Figure 6 This is a schematic diagram of the connection between the shaft and the connecting sleeve of this utility model;
[0020] Figure 7 This is a schematic diagram of the connection between the baffle and the shaft of this utility model;
[0021] Figure 8 This is a top view of the planar structure of the baffle of this utility model.
[0022] In the diagram: 1. Vehicle body; 2. Water cannon body; 3. Slide bottom plate; 4. First hydraulic cylinder; 5. First piston rod; 6. Sliding block; 7. Strip guide hole; 8. Push rod; 9. Connecting sleeve; 10. Shaft; 11. Baffle; 12. Second hydraulic cylinder; 13. Second piston rod; 14. Connecting rod; 15. Sliding sleeve; 16. Sliding rod. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0024] 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.
[0025] Reference Figures 1-8 A telescopic protective assembly for a fire truck water cannon includes a vehicle body 1, a water cannon body 2, and a telescopic mechanism. The water cannon body 2 is movably mounted on the top of the vehicle body 1. The telescopic mechanism includes a sliding base plate 3, which is fixedly connected to the vehicle body 1. A first hydraulic cylinder 4 is fixed in the sliding base plate 3. A first piston rod 5 is installed at the output end of the first hydraulic cylinder 4. A slider 6 is fixed at the end of the first piston rod 5. Strip-shaped guide holes 7 are provided on both sides of the sliding base plate 3, and the strip-shaped guide holes 7 match the slider 6. The first hydraulic cylinder 4 acts on the first piston rod 5, causing the first piston rod 5 to push the slider 6. With the assistance of the strip-shaped guide holes 7, the slider 6 slides in the sliding base plate 3.
[0026] A push rod 8 is rotatably mounted on one side of the slider 6, and a connecting sleeve 9 is rotatably mounted on the other end of the push rod 8. The connecting sleeve 9 is rotatably connected to the vehicle body 1. When the slider 6 slides, the push rod 8 acts on the connecting sleeve 9, causing the connecting sleeve 9 and the baffle 11 to rise to a vertical state.
[0027] A shaft 10 is fixed on the connecting sleeve 9. Two baffles 11 are symmetrically and rotatably installed on the outer side of the shaft 10. The two baffles 11 are rotatably installed on the connecting sleeve 9 through the shaft 10, which facilitates the subsequent rotation of the baffles 11.
[0028] A second hydraulic cylinder 12 is fixed at the middle of one side of the connecting sleeve 9. A second piston rod 13 is installed at the output end of the second hydraulic cylinder 12. Two connecting rods 14 are rotatably installed at the end of the second piston rod 13. A sliding sleeve 15 is rotatably installed at the other end of each of the two connecting rods 14. A sliding rod 16 passes through the sliding sleeve 15, and the sliding sleeve 15 and the sliding rod 16 are slidably connected. The sliding rod 16 is fixedly connected to the baffle 11. After the second hydraulic cylinder 12 acts on the second piston rod 13, the second piston rod 13 pulls one end of the connecting rod 14, and the other end pushes the sliding sleeve 15 to slide on the sliding rod 16. Since the sliding rod 16 is fixed to the baffle 11, the thrust is applied to the baffle 11, which can unfold the two baffles 11.
[0029] In this invention, the first hydraulic cylinder 4 acts on the first piston rod 5, causing the first piston rod 5 to push the slider 6 to move on the slide bottom plate 3. The slider 6 applies thrust to the connecting sleeve 9 through the push rod 8. Since the connecting sleeve 9 is rotatably connected to the vehicle body 1, the two baffles 11 can be pushed to a vertical position. Then, the second hydraulic cylinder 12 acts on the second piston rod 13, causing the second piston rod 13 to pull one end of the connecting rod 14, and the other end pushes the sliding sleeve 15 to slide on the sliding rod 16. Since the sliding rod 16 is fixed to the baffle 11, the thrust is applied to the baffle 11, which can unfold the two baffles 11 to separate external objects from the fire truck's water cannon, prevent the water cannon from contacting surrounding power lines and tree branches, and prevent the water cannon from being damaged during the movement of the fire truck, thus providing protection for the water cannon.
[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A telescoping guard assembly for a fire apparatus water cannon, comprising: The device includes a vehicle body (1), a water cannon body (2), and a telescopic mechanism. The water cannon body (2) is movably mounted on the top of the vehicle body (1). The telescopic mechanism includes a sliding base plate (3), which is fixedly connected to the vehicle body (1). A first hydraulic cylinder (4) is fixed in the sliding base plate (3). A first piston rod (5) is installed at the output end of the first hydraulic cylinder (4). A slider (6) is fixed at the end of the first piston rod (5). Strip-shaped guide holes (7) are provided on both sides of the sliding base plate (3), and the strip-shaped guide holes (7) and the slider (6) are matched with each other.
2. A telescoping guard assembly for a fire apparatus monitor as defined in claim 1 wherein, A push rod (8) is rotatably mounted on one side of the slider (6), and a connecting sleeve (9) is rotatably mounted on the other end of the push rod (8). The connecting sleeve (9) is rotatably connected to the vehicle body (1).
3. A telescoping guard assembly for a fire apparatus monitor as defined in claim 2 wherein, A shaft (10) is fixed on the connecting sleeve (9), and two baffles (11) are symmetrically rotated on the outside of the shaft (10).
4. A telescoping guard assembly for a fire apparatus monitor as defined in Claim 2, wherein, A second hydraulic cylinder (12) is fixed at the middle position on one side of the connecting sleeve (9), and a second piston rod (13) is installed at the output end of the second hydraulic cylinder (12).
5. A telescoping guard assembly for a fire apparatus monitor as defined in claim 4 wherein, Two connecting rods (14) are rotatably mounted at the end of the second piston rod (13). Sliding sleeves (15) are rotatably mounted at the other end of each of the two connecting rods (14). A sliding rod (16) is threaded through the sliding sleeve (15), and the sliding sleeve (15) and the sliding rod (16) are slidably connected. The sliding rod (16) is fixedly connected to the baffle (11).
Citation Information
Patent Citations
Fire -fighting truck
CN207186967U