Forcible entry structure for emergency rescue fire fighting truck
By installing sealing and breaching components inside the telescopic boom of the fire truck, the problem of easy damage to the clearance hole in the existing technology is solved, thereby improving safety and flexibility and ensuring the smooth progress of breaching operations.
Patent Information
- Application Number
- CN202520383025.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-06
AI Technical Summary
During the hoisting process, protruding objects from high altitudes can easily enter the telescopic boom through the clearance hole of the existing fire truck's demolition device, causing damage to the demolition components and lacking safety protection and flexibility.
A sealing assembly is installed inside the telescopic arm, including a servo electric cylinder, a fixed base, a support frame, a light bar, a slider, and a sealing plate. The servo electric cylinder controls the sealing and unsealing of the clearance hole to prevent foreign objects from entering. At the same time, the demolition assembly drives the demolition head to perform demolition operations on the building through the servo electric cylinder.
It improves safety and flexibility of the hoisting process and demolition operations, prevents damage to the demolition components from foreign objects, and enhances the stability and reliability of the equipment.
Smart Images

Figure CN223914535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fire engine, in particular to a kind of breaking and demolishing structure for emergency rescue fire engine. BACKGROUND
[0002] In recent years, with the accelerated development of China's urbanization construction, more and more small towns, communities, communities, trade markets and scenic spots are densely populated, and these low-rise buildings have narrow space and high fire risk. If there is a dangerous situation, the rescue passage can be formed by breaking and demolishing windows, protective fences and other easily demolished buildings quickly.
[0003] In the prior art, the patent file with the publication number CN218685770U discloses a fire engine breaking and demolishing device, which comprises a telescopic arm, a hoisting assembly arranged at the end of the telescopic arm, and a breaking and demolishing device located inside the end of the telescopic arm. The hoisting assembly comprises a hoisting head fixedly installed at the end of the telescopic arm, and the hoisting head is provided with a clearance hole corresponding to the position of the breaking and demolishing device. The position of the telescopic arm corresponding to the breaking and demolishing device is hollow, and the end is provided with a mounting hole for mounting the breaking and demolishing device. The position of the telescopic arm corresponding to the breaking and demolishing device is provided with a mounting support.
[0004] During use, it is found that the clearance hole is always in an open state. When the telescopic arm and the hoisting head are transferred and hoisted, the high-altitude protrusions may enter the end of the telescopic arm along the clearance hole and cause damage to the telescopic part. Utility model content
[0005] To solve the above technical problems, the utility model provides a breaking and demolishing structure for emergency rescue fire engine with improved safety protection.
[0006] The breaking and demolishing structure for emergency rescue fire engine comprises a telescopic arm, a hoisting head, a clearance hole and a placing groove. The telescopic arm is internally provided with a placing groove. One end of the telescopic arm is provided with a hoisting head. The hoisting head is internally installed with a chamber. The placing groove is communicated with the chamber. One end of the hoisting head away from the telescopic arm is provided with a clearance hole. The breaking and demolishing structure further comprises a sealing assembly and a breaking and demolishing assembly. The breaking and demolishing assembly is installed in the placing groove. The sealing assembly is installed in the chamber. The sealing assembly is used for sealing the clearance hole. When the telescopic arm and the hoisting head are hoisted in cooperation, the sealing assembly seals the clearance hole, thereby preventing foreign matters from entering the placing groove through the clearance hole and causing damage to the breaking and demolishing assembly. When the breaking and demolishing assembly needs to be used to break and demolish a building, the sealing assembly can be unsealed from the clearance hole, thereby improving safety protection and flexibility.
[0007] Preferably, the sealing assembly comprises a first servo electric cylinder, a first fixed seat, a support frame, a light lever, a sliding block, a sealing plate and an L-shaped hook plate, the first servo electric cylinder is installed in the chamber through the first fixed seat, the support frame is installed on the side wall of the chamber, the light lever is installed on the support frame, the sliding blocks are arranged on the two side ends of the sealing plate, the sliding blocks are slidably connected with the light lever, and one end of the sliding block is connected with the top moving end of the first servo electric cylinder; in the conventional state, the first servo electric cylinder is shortened, so that the sliding block drives the sealing plate to descend under the guidance of the light lever, and the sealing plate seals the relief hole; when breaking and removing is needed, the first servo electric cylinder is lengthened, so that the sealing plate removes the sealing of the relief hole, and flexibility is improved.
[0008] Preferably, the breaking and removing assembly comprises a second fixed seat, a second servo electric cylinder, a mounting plate and a breaking and removing head, the second servo electric cylinder is installed in the placing groove through the second fixed seat, the mounting plate is installed at the moving end of the second servo electric cylinder, and the breaking and removing head is installed at the end, away from the second servo electric cylinder, of the mounting plate; when breaking and removing is needed, the second servo electric cylinder is lengthened, so that the mounting plate drives the breaking and removing head to pass through the relief hole and break and remove the building.
[0009] Preferably, the L-shaped hook plate is further arranged in the chamber; the first servo electric cylinder is shortened, so that the sealing plate seals the relief hole, and the L-shaped hook plate limits the bottom end of the sealing plate, and the sealing property is improved.
[0010] Preferably, the L-shaped hook plate is further arranged in the chamber; the first servo electric cylinder is shortened, so that the sealing plate seals the relief hole, and the L-shaped hook plate limits the bottom end of the sealing plate, and the sealing property is improved.
[0011] Preferably, the fixing block and the guide rod are further arranged, the fixing block is arranged in the placing groove, the guide rod is slidably arranged on the fixing block, and one end of the guide rod is connected with one end of the mounting plate; the second servo electric cylinder drives the mounting plate and the breaking and removing head to move under the guidance of the fixing block and the guide rod, and the stability is improved.
[0012] Preferably, the breaking and removing head is made of hard alloy.
[0013] Compared with the prior art, the utility model has the advantages that when the telescopic arm cooperates with the hoisting head to hoist, the sealing assembly seals the relief hole, so that foreign matters cannot enter the placing groove through the relief hole to damage the breaking and removing assembly, when the breaking and removing assembly is needed to break and remove the building, the sealing assembly can remove the sealing of the relief hole, the safety protection property is improved, and the flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the axonometric structure schematic view of the utility model;
[0015] Figure 2 is the sectional view structure schematic diagram of the utility model;
[0016] Figure 3 is the explosion structure schematic diagram of No.
[0017] Figure 4 is the enlarged structure schematic diagram of No.
[0018] Figure 5 is the enlarged structure schematic diagram of the sealing plate and No.
[0019] Markings in the drawing: 1, telescopic arm;2, hoisting head;3, let hole;4, placing groove;5, No. 1 servo motor;6, No. 1 fixed seat;7, support frame;8, light lever;9, sliding block;10, sealing plate;11, L-shaped hook plate;12, No. 2 mounting seat;13, No. 2 servo motor;14, mounting plate;15, breaking and demolishing head;17, drag hook;18, fixed block;19, guide rod. Specific embodiments
[0020] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1
[0021] As shown in Figures 1 to 3 , a breaking and demolishing structure for rescue and rescue fire fighting vehicle of the utility model, including telescopic arm 1, hoisting head 2, let hole 3 and placing groove 4, the telescopic arm 1 inside is provided with placing groove 4, and one end of telescopic arm 1 is provided with hoisting head 2, and hoisting head 2 is internally provided with a chamber, and placing groove 4 is communicated with the chamber, and one end of hoisting head 2 away from telescopic arm 1 is provided with let hole 3, further including sealing assembly and breaking and demolishing assembly, the breaking and demolishing assembly is installed in placing groove 4, the sealing assembly is installed in the chamber, and the sealing assembly is used for sealing let hole 3;
[0022] As shown in Figure 2 , Figure 3 and Figure 5 , the sealing assembly includes No. 1 servo motor 5, No. 1 fixed seat 6, support frame 7, light lever 8, sliding block 9, sealing plate 10 and L-shaped hook plate 11, the No. 1 servo motor 5 is installed in the chamber through No. 1 fixed seat 6, the chamber side wall is installed with support frame 7, the support frame 7 is installed with light lever 8, the both sides of sealing plate 10 are respectively provided with sliding block 9, the sliding block 9 is slidably connected with light lever 8, and the top moving end of No. 1 servo motor 5 is connected with one end of sliding block 9.
[0023] In this embodiment, when the telescopic arm 1 cooperates with the hoisting head 2 to hoist, in the normal state, the first servo electric cylinder 5 is shortened, so that the sliding block 9 drives the sealing plate 10 to descend under the guidance of the light lever 8, so that the sealing plate 10 seals the relief hole 3, when it is necessary to break, operate the first servo electric cylinder 5 to extend, so that the sealing plate 10 removes the sealing of the relief hole 3, and the breaking assembly passes through the relief hole 3 to break the building. Embodiment 2
[0024] As Figures 1 to 3 shown, the utility model relates to a breaking structure for a rescue and rescue fire engine, including telescopic arm 1, hoisting head 2, let go of the hole 3 and the placing groove 4, the telescopic arm 1 inside is provided with the placing groove 4, and the one end of telescopic arm 1 is provided with hoisting head 2, and hoisting head 2 is installed with chamber, and the placing groove 4 is communicated with chamber, and the one end of hoisting head 2 away from telescopic arm 1 is provided with let go of the hole 3, still including sealing assembly and breaking assembly, the breaking assembly is installed in the placing groove 4, and the sealing assembly is installed in the chamber, and the sealing assembly is used for the sealing of let go of the hole 3;
[0025] As Figure 2 , Figure 3 and Figure 5 shown, the sealing assembly includes a servo electric cylinder 5, a fixed seat 6, a support frame 7, a light lever 8, a sliding block 9 and a sealing plate 10, the servo electric cylinder 5 is installed in the chamber through the fixed seat 6, the chamber side wall is installed with the support frame 7, the support frame 7 is installed with the light lever 8, the both sides of sealing plate 10 are provided with sliding block 9, and the sliding block 9 is slidably connected with the light lever 8, and the top moving end of the servo electric cylinder 5 is connected with one end of the sliding block 9;
[0026] As Figure 3 and Figure 4 shown, the breaking assembly includes a second mounting seat 12, a second servo electric cylinder 13, a mounting plate 14 and a breaking head 15, the second servo electric cylinder 13 is installed in the placing groove 4 through the second mounting seat 12, the moving end of the second servo electric cylinder 13 is installed with the mounting plate 14, and the mounting plate 14 is installed with the breaking head 15 away from the second servo electric cylinder 13 one end;
[0027] Further including L-shaped hook plate 11, draw hook 17, fixed block 18 and guide rod 19, the chamber is installed with L-shaped hook plate 11, the breaking head 15 is provided with multiple draw hooks 17, the placing groove 4 is provided with fixed block 18, the fixed block 18 is slidably provided with guide rod 19, and one end of the guide rod 19 is connected with one end of the mounting plate 14.
[0028] In the embodiment, when the telescopic boom 1 cooperates with the hoist head 2 to carry out hoisting, in the normal state, the first servo electric cylinder 5 is shortened, so that the sliding block 9 drives the sealing plate 10 to descend under the guidance of the light lever 8, so that the sealing plate 10 seals the let -in hole 3, when it is necessary to break, the first servo electric cylinder 5 is operated to be lengthened, so that the sealing plate 10 removes the sealing of the let -in hole 3, the second servo electric cylinder 13 is operated to be lengthened, the second servo electric cylinder 13 drives the mounting plate 14 and the breaking head 15 to move under the guidance of the fixed block 18 and the guide rod 19, so that the breaking head 15 passes through the let -in hole 3 and breaks the building.
[0029] The first servo electric cylinder 5, the second servo electric cylinder 13 and the breaking head 15 of the breaking structure for the rescue and rescue fire engine are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.
[0030] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, on the premise of not departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.
Claims
1. A demolition structure for a fire truck used in emergency rescue, comprising a telescopic boom (1), a lifting head (2), a clearance hole (3), and a placement slot (4), wherein the telescopic boom (1) is provided with a placement slot (4), a lifting head (2) is provided at one end of the telescopic boom (1), a chamber is installed inside the lifting head (2), the placement slot (4) communicates with the chamber, and a clearance hole (3) is provided at the end of the lifting head (2) away from the telescopic boom (1), characterized in that, It also includes a sealing component and a breaking component. The breaking component is installed in the placement groove (4), and the sealing component is installed in the chamber. The sealing component is used to seal the relief hole (3).
2. The demolition structure for a rescue fire truck as described in claim 1, characterized in that, The sealing assembly includes a first servo electric cylinder (5), a first fixed seat (6), a support frame (7), a light bar (8), a slider (9), a sealing plate (10), and an L-shaped hook plate (11). The first servo electric cylinder (5) is installed in the chamber through the first fixed seat (6). The support frame (7) is installed on the side wall of the chamber. The light bar (8) is installed on the support frame (7). The two sides of the sealing plate (10) are respectively provided with sliders (9). The sliders (9) are slidably connected to the light bar (8). The top moving end of the first servo electric cylinder (5) is connected to one end of the slider (9).
3. The demolition structure for a rescue fire truck as described in claim 2, characterized in that, The demolition assembly includes a second mounting base (12), a second servo electric cylinder (13), a mounting plate (14), and a demolition head (15). The second servo electric cylinder (13) is installed in the placement slot (4) through the second mounting base (12). The moving end of the second servo electric cylinder (13) is equipped with the mounting plate (14), and the demolition head (15) is installed at the end of the mounting plate (14) away from the second servo electric cylinder (13).
4. The demolition structure for a rescue fire truck as described in claim 3, characterized in that, It also includes an L-shaped hook plate (11), which is installed in the chamber.
5. The demolition structure for a rescue fire truck as described in claim 3, characterized in that, It also includes hooks (17), and the demolition head (15) is provided with multiple sets of hooks (17).
6. The demolition structure for a rescue fire truck as described in claim 3, characterized in that, It also includes a fixing block (18) and a guide rod (19). The fixing block (18) is provided in the placement groove (4), and the guide rod (19) is slidably provided on the fixing block (18). One end of the guide rod (19) is connected to one end of the mounting plate (14).
7. The demolition structure for a rescue fire truck as described in claim 5, characterized in that, The demolition head (15) is made of cemented carbide.
Citation Information
Patent Citations
Fire fighting truck forcible entry device
CN218685770U