High-lift pumping fire fighting truck

By designing a pressurized system of multiple import and outlets, pressure sensors, controllers and unloading valves in the pump fire truck, the problem of insufficient water supply in the existing pump fire trucks in high terrain and high lift environments is solved, and efficient fire extinguishing and water supply and multifunctional improvements are achieved.

CN222828981UActive Publication Date: 2025-05-06BEIJING FIREFEND EQUIP
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Patent Information

Application Number
CN202420592047.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2025-05-06
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

The existing pumped fire trucks are insufficient in the demand for fire extinguishing and water supply for high terrain and high lift, and have relatively single functions and low frequency of use, making it difficult to combine water supply with conventional fire extinguishing fire trucks.

Method used

A high-head pump fire truck was designed, adopting multiple inlets and outlets of different sizes and specifications, equipped with pressure sensors, controllers and unloading valves, which enhances the functions of the boosting system, can increase the water supply flow and head under the premise of safety and reliability, and realize the functions of the secondary boosting vehicle.

Benefits of technology

It realizes efficient fire extinguishing and water supply in high terrain and high lift environments, improves the versatility and frequency of use of fire trucks, and can combine water supply with conventional fire trucks to meet fire extinguishing needs in different scenarios.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a high-lift pumping fire fighting truck, and relates to the technical field of fire engineering. The high-lift pumping fire fighting truck comprises a chassis, and a water taking system and a pressurization system which are arranged on the chassis; the pressurization system is provided with a pressurization pump, a pressure sensor, a controller and an unloading valve; the booster pump is provided with a plurality of inlets and a plurality of outlets, the inlets are communicated with the water taking system, and the outlets are provided with unloading valves; pressure sensors are arranged on the inlet and the outlet, and the controller is electrically connected with the pressure sensors and the unloading valve. According to the high-lift pumping fire truck, due to the fact that the multiple inlets and the multiple outlets are formed, and the pressure sensor, the controller and the unloading valve are arranged, the water supply flow and the lift of the fire truck can be greatly improved on the premise of safety and reliability; due to the fact that a plurality of inlets and outlets are arranged, expansion of functions of water taking, secondary pressurization and the like is fully considered, the vehicle can be used as a secondary pressurization vehicle and is coupled with a conventional fire fighting truck for water supply, and multiple purposes are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire engineering, in particular to a high-lift pump fire truck. Background Art

[0002] Pump fire trucks are mainly equipped with fire pumps, equipment and even seats for passengers but not with fire extinguisher tanks. They generally use water sources directly to put out fires, and can also be used to supply water to other fire-fighting spray equipment at the fire scene.

[0003] The whole structure of a pump fire truck mainly includes chassis, subframe, vehicle box, water intake system, booster system and electrical system, etc. Existing pump fire trucks have the following problems:

[0004] (1) The water supply flow rate of conventional pump fire trucks is generally not less than 200L / s, and the head is generally only 100 meters. Although the flow rate is large, it is difficult to meet the water supply needs of high-altitude and high-head fire fighting.

[0005] (2) Conventional pump fire trucks have relatively simple functions and are used infrequently, making it less feasible to combine them with conventional fire-fighting fire trucks for water supply operations. Utility Model Content

[0006] The utility model aims to provide a high-lift pump fire truck, which helps to solve the above technical problems.

[0007] The utility model is achieved in this way:

[0008] A high-lift pump fire truck comprises a chassis and a water intake system and a boosting system arranged on the chassis; the boosting system is provided with a boosting pump, a pressure sensor, a controller and a relief valve; the boosting pump is provided with a plurality of inlets and a plurality of outlets, the inlets are connected to the water intake system, and the outlets are provided with the relief valve; the pressure sensors are arranged on the inlets and the outlets, and the controller is electrically connected to the pressure sensor and the relief valve respectively.

[0009] Furthermore, the inlet includes 4 DN80 interfaces and 2 DN100 interfaces, and the outlet includes 4 DN80 interfaces and 2 DN100 interfaces. The technical effect is that multiple inlets and interfaces of different sizes and specifications can meet the connection and combination operation requirements of different conventional fire extinguishing equipment.

[0010] Furthermore, a subframe is also provided on the chassis; the supercharging system also includes a coupling, a supercharging engine and a supercharging oil tank; the supercharging pump is connected to the supercharging engine through the coupling, and the supercharging oil tank is used to supply oil to the supercharging engine; the supercharging pump, the coupling and the supercharging engine are fixedly mounted on the subframe. The technical effect is that the supercharging pump and its coupling, and the supercharging engine are fixedly mounted on the subframe, and the rigid connection can ensure the coaxiality of the supercharging system. The supercharging oil tank does not need to be rigidly connected and fixed for oil supply.

[0011] Furthermore, a box frame is also provided on the chassis, and the boost oil tank is fixed on the box frame. The technical effect is that the box frame is used to set and fix other auxiliary structures, and the boost oil tank can be set with two symmetrical fixations, which helps to improve the stability of the equipment.

[0012] Furthermore, the water intake system includes a hydraulic assembly, an oil inlet and return hydraulic pipe, a floating boat pump and a straight arm crane; the hydraulic assembly is connected to the floating boat pump through the oil inlet and return hydraulic pipe, the straight arm crane is fixedly arranged on the chassis and used to suspend the floating boat pump; the floating boat pump is connected to the inlet of the booster pump. The technical effect is that the hydraulic assembly is used to realize the retraction and extension of the oil inlet and return hydraulic pipe, thereby controlling the water intake of the floating boat pump, and the straight arm crane can place the floating boat pump in a suitable water source as needed.

[0013] Furthermore, the oil inlet and return hydraulic pipes are detachably sealed and plugged with the floating boat pump via a quick-plug connector. The technical effect is that the oil inlet and return hydraulic pipes are connected to the floating boat pump using a quick-plug connector, which is convenient for disassembly. After water intake is completed, the floating boat pump can be separated from the oil inlet and return hydraulic pipes.

[0014] Furthermore, the hydraulic assembly includes a hydraulic pump, a control valve, a hydraulic oil tank and a hydraulic reel; the hydraulic pump, the control valve, the hydraulic oil tank and the hydraulic reel are connected in sequence. The technical effect is that the flow of the water intake system can be proportionally controlled by adjusting the control valve. The control valve has a manual emergency function. When the electronic control proportional signal fails, manual emergency operation can be adopted. The hydraulic reel accommodates a certain length of the inlet and return hydraulic pipe, is driven by a hydraulic motor, and drives the reel to rotate through a chain drive, so that the inlet and return hydraulic pipe can be retracted and released. The retraction and release speed can be adjusted by the control valve.

[0015] Furthermore, the hydraulic assembly also includes a cooler; the cooler is integrated with the hydraulic oil tank and is used to cool the hydraulic oil. Its technical effect is that the cooler cools the hydraulic oil by water cooling, the water inlet pipeline of the cooler is connected to the water inlet pipeline of the booster pump, and the water outlet pipeline of the cooler is connected with a valve, which can be connected to the water hose for external drainage when in use; the hydraulic system returns oil and passes through the cooler to cool the hydraulic oil, ensuring the efficient operation of the water intake hydraulic system. The integrated installation of the cooler and the hydraulic oil tank can further improve the installation stability.

[0016] Furthermore, the chassis is a 4×4 off-road chassis. Its technical effects are: the off-road chassis has good mobility and road adaptability, can meet the off-road driving requirements in mountainous areas, forests, and grasslands, has good passability, a low center of gravity, a small vehicle size (length ≤ 8 meters, height ≤ 3.5 meters), and is flexible and maneuverable.

[0017] Compared with the prior art, the high-lift pump fire truck of the utility model has the following beneficial effects:

[0018] The high-lift pump fire truck of the utility model is provided with multiple inlets and outlets, and is provided with a pressure sensor, a controller and a unloading valve, which can greatly improve the water supply flow and lift of the fire truck under the premise of safety and reliability; since multiple inlets and outlets are provided, the functional expansion of water intake, secondary pressurization and the like is fully considered, and the vehicle can also be used as a secondary pressurization vehicle, coupled with a conventional fire truck for water supply, so as to realize multiple uses of one vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A left side view of the high lift pump fire truck provided by the utility model;

[0021] Figure 2 This is a rear side view of the high-lift pump fire truck provided by the utility model (with the upper flip door open);

[0022] Figure 3 A schematic diagram of the power structure of the booster system of the high-lift pump fire truck provided by the utility model;

[0023] Figure 4 A right side view of the inlet and outlet arrangement of the booster system of the high-lift pump fire truck provided by the utility model;

[0024] Figure 5A front side view of the inlet and outlet arrangement of the booster system of the high-lift pump fire truck provided by the utility model;

[0025] Figure 6 A left side view of the inlet and outlet arrangement of the booster system of the high-lift pump fire truck provided by the utility model;

[0026] Figure 7 The utility model is a schematic diagram of the structure of the water intake system of the high-lift pump fire truck.

[0027] Icons: 100-chassis; 110-subframe; 120-box frame; 210-hydraulic assembly; 211-hydraulic pump; 212-control valve; 213-hydraulic oil tank; 214-hydraulic reel; 215-cooler; 220-inlet and return hydraulic pipes; 230-floating pump; 240-straight arm crane; 250-quick connector; 310-boosting pump; 311-DN80 interface; 312-DN100 interface; 313-drain valve; 314-drain outlet; 320-pressure sensor; 330-unloading valve; 340-coupling; 350-supercharged engine. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and marked in the drawings can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0035] Figure 1 A left side view of the high lift pump fire truck provided by the utility model; Figure 2 This is a rear side view of the high-lift pump fire truck provided by the utility model (with the upper flip door open); Figure 3 A schematic diagram of the power structure of the booster system of the high-lift pump fire truck provided by the utility model; Figure 4 A right side view of the inlet and outlet arrangement of the booster system of the high-lift pump fire truck provided by the utility model;

[0036] Figure 5 A front side view of the inlet and outlet arrangement of the booster system of the high-lift pump fire truck provided by the utility model; Figure 6 A left side view of the inlet and outlet arrangement of the booster system of the high-lift pump fire truck provided by the utility model; Figure 7 This is a schematic diagram of the structure of the water intake system of the high-lift pump fire truck provided by the utility model. Figure 1 to Figure 7 The present embodiment provides a high-lift pump fire truck, including a chassis 100 and a water intake system and a boosting system arranged on the chassis 100; the boosting system is provided with a boosting pump 310, a pressure sensor 320, a controller and a relief valve 330; the boosting pump 310 is provided with a plurality of inlets and a plurality of outlets, the inlets are connected with the water intake system, and the outlets are provided with a relief valve 330; the pressure sensors 320 are arranged on the inlets and the outlets, and the controller is electrically connected with the pressure sensor 320 and the relief valve 330 respectively.

[0037] It should be noted that in the high-lift pump fire truck of the utility model, as the name implies, the water intake system is used to obtain water resources for fire extinguishing from the water source, and the boosting system increases the water pressure of the water source to increase the lift to meet the fire extinguishing water supply needs in special occasions. Since the high-lift pump fire truck is equipped with multiple inlets and outlets, and is equipped with a pressure sensor 320, a controller and a unloading valve 330, it can greatly improve the water supply flow and lift of the fire truck under the premise of safety and reliability; since multiple inlets and outlets are set, the function expansion such as water intake and secondary boosting is fully considered. The vehicle can also be used as a secondary boosting vehicle, coupled with a conventional fire truck for water supply, so as to achieve multiple uses of one vehicle. Specifically, it is known through experiments that the high-lift pump fire truck of this embodiment has a high-lift water supply capacity of 60L / S@4MPa, which successfully solves the long-distance fire extinguishing water supply needs in high-altitude environments such as forests and grasslands.

[0038] In the optional solution of the above embodiment, further, as Figures 4 to 6 As shown, the inlet includes 4 DN80 interfaces 311 and 2 DN100 interfaces 312, and the outlet includes 4 DN80 interfaces 311 and 2 DN100 interfaces 312. In this embodiment, multiple inlets and interfaces of different sizes and specifications can meet the connection and combination operation requirements of different conventional fire-fighting equipment. Among them, two or more interfaces of different calibers should be evenly distributed on both sides of the fire truck.

[0039] In addition, if Figures 4 to 6 As shown, a residual water valve 313 is also provided at the bottom of the inlet and outlet pipes of the boost pump 310 for discharging excess water, and the unloading valve 330 can ensure the normal supply of the system without interruption of water supply and shutdown when the system water supply pressure is greater than the set pressure. The overflowing water is discharged out of the vehicle through the drain port 314, and the drain port 314 can be connected to a conventional water hose to ensure long-distance drainage.

[0040] In the optional solution of the above embodiment, further, as Figure 1 to Figure 3As shown, a subframe 110 is also provided on the chassis 100; the supercharging system also includes a coupling 340, a supercharging engine 350 and a supercharging oil tank; the supercharging pump 310 is connected to the supercharging engine 350 through the coupling 340, and the supercharging oil tank is used to supply oil to the supercharging engine 350; the supercharging pump 310, the coupling 340 and the supercharging engine 350 are fixedly mounted on the subframe 110. In this embodiment, the supercharging pump 310 and its coupling 340, and the supercharging engine 350 are fixedly mounted on the subframe 110, and the rigid connection can ensure the coaxiality of the supercharging system. The supercharging oil tank does not need to be rigidly connected and fixed for oil supply.

[0041] In the optional solution of the above embodiment, further, as Figure 1 to Figure 3 As shown, a box frame 120 is also provided on the chassis 100, and the boost oil tank is fixed on the box frame 120. In this embodiment, the box frame 120 is used to set and fix other auxiliary structures, and the boost oil tank can be installed on both sides of the supercharged engine 350, and the two are fixed symmetrically, which helps to improve the stability of the equipment.

[0042] In the optional solution of the above embodiment, further, as Figure 1 , Figure 7 As shown, the water intake system includes a hydraulic assembly 210, an oil inlet and return hydraulic pipe 220, a floating boat pump 230 and a straight arm crane 240; the hydraulic assembly 210 is connected to the floating boat pump 230 through the oil inlet and return hydraulic pipe 220, and the straight arm crane 240 is fixedly arranged on the chassis 100 for suspending the floating boat pump 230; the floating boat pump 230 is connected to the inlet of the booster pump 310. In this embodiment, the hydraulic assembly 210 is used to realize the retraction and extension of the oil inlet and return hydraulic pipe 220, thereby controlling the floating boat pump 230 to take water, and the straight arm crane 240 can place the floating boat pump 230 in a suitable water source as needed.

[0043] In the optional solution of the above embodiment, further, as Figure 7 As shown, the oil inlet and return hydraulic pipe 220 and the floating boat pump 230 are detachably sealed and plugged via a quick-plug connector 250. In this embodiment, the oil inlet and return hydraulic pipe 220 and the floating boat pump 230 are connected by a quick-plug connector 250, which is convenient for disassembly. After the water is taken, the floating boat pump 230 can be separated from the oil inlet and return hydraulic pipe 220.

[0044] In the optional solution of the above embodiment, further, as Figure 7As shown, the hydraulic assembly 210 includes a hydraulic pump 211, a control valve 212, a hydraulic oil tank 213 and a hydraulic reel 214; the hydraulic pump 211, the control valve 212, the hydraulic oil tank 213 and the hydraulic reel 214 are connected in sequence. In this embodiment, the flow of the water intake system can be proportionally controlled by adjusting the control valve 212. The control valve 212 has a manual emergency function. When the electronic control proportional signal fails, a manual emergency operation can be adopted. The hydraulic reel 214 accommodates a certain length of the inlet and return oil hydraulic pipe 220, is driven by a hydraulic motor, and drives the reel to rotate through a chain drive, so that the inlet and return oil hydraulic pipe 220 can be retracted and released, and the retracting and releasing speed can be adjusted by the control valve 212.

[0045] In the optional solution of the above embodiment, further, as Figure 7 As shown, the hydraulic assembly 210 also includes a cooler 215; the cooler 215 is integrated with the hydraulic oil tank 213 and is used to cool the hydraulic oil. In this embodiment, the cooler 215 cools the hydraulic oil in a water-cooling manner, the water inlet pipeline of the cooler 215 is connected to the water inlet pipeline of the booster pump 310, and the water outlet pipeline of the cooler 215 is connected with a valve, which can be connected to the water hose for external drainage when in use; the hydraulic system returns oil, passes through the cooler 215 to cool the hydraulic oil, and ensures the efficient operation of the water intake hydraulic system. The integrated installation of the cooler 215 and the hydraulic oil tank 213 can further improve the installation stability.

[0046] Specifically, in this embodiment, the hydraulic pump 211 is connected to the chassis 100 at full power through a transmission shaft, and its transmission shaft passes through the bottom of the hydraulic oil tank 213. The hydraulic oil tank 213 is installed on the bottom plate of the box frame 120. The cooler 215 is integrated with the hydraulic oil tank 213, and the hydraulic reel 214 is installed on the co-pilot side of the fire truck and fixed by the box bracket. The cooler 215 cools the hydraulic oil by water cooling. The water inlet pipeline of the cooler 215 is connected to the water inlet pipeline of the booster pump 310. The water outlet pipeline of the cooler 215 is connected with a valve, and a water hose can be connected to the water outlet when in use; the hydraulic system return oil passes through the cooler 215 to realize hydraulic oil cooling and ensure the efficient operation of the water intake hydraulic system; compared with the traditional air cooling structure, the water cooling efficiency is higher and the space occupied is small. The flow of the water intake system can be proportionally controlled by adjusting the control valve 212. The control valve 212 has a manual emergency function. When the electric control proportional signal fails, manual emergency operation can be adopted. The hydraulic reel 214 accommodates 45 meters of the oil inlet and return hydraulic pipe 220, which is driven by a hydraulic motor and drives the reel to rotate through a chain transmission, so that the oil inlet and return hydraulic pipe 220 can be retracted and released. The retracting and releasing speed can be adjusted by the control valve 212. The oil inlet and return hydraulic pipe 220 and the floating boat pump 230 are connected by a quick-connect connector 250, which is convenient for disassembly. After the water is taken, the floating boat pump 230 can be separated from the oil inlet and return hydraulic pipe 220, hoisted by a straight arm crane 240, and placed in the roof groove. The water intake system has a high degree of integration, occupies a small space, and can be modularly assembled.

[0047] In addition, a straight arm crane 240 is installed at the rear of the vehicle and fixed to the subframe 110 and the beam of the chassis 100 through a screw pressure plate. The straight arm crane 240 has a fully extended operating radius of 10.2m and can lift 550kg to complete the tasks of taking and placing the floating pump 230 and emergency rescue.

[0048] In the optional solution of the above embodiment, further, as Figure 1 to Figure 6 As shown, the chassis 100 is a 4×4 off-road chassis. In this embodiment, the off-road chassis has good mobility and road adaptability, meets the requirements of off-road driving in mountainous areas, forests, and grasslands, has good passability, a low center of gravity, a small vehicle size (length ≤ 8 meters, height ≤ 3.5 meters), and is flexible and maneuverable.

[0049] In summary, the high-lift pump fire truck of the utility model mainly includes a chassis 100, a water intake system and a booster system. Among them, the chassis 100 adopts a 4×4 drive off-road chassis. After modification, the chassis 100 is connected to the box frame 120 through the subframe 110, and the main components on the box frame 120 are carried by the subframe 110. The top of the box frame 120 is equipped with a guardrail, the front part of the roof is a front groove for placing the floating pump 230, and the middle part of the roof is provided with a middle groove for placing the main hook of the straight arm crane 240. The bottom of the two grooves are equipped with floor drains and water pipes; the front groove floor drain is arranged diagonally, and a maintenance hole is installed on one side, corresponding to the filter element of the lower hydraulic oil tank 213, which is convenient for replacing the filter element. The tops of the two grooves have an outer flange, which is overlapped and fixed with the box frame 120. The edges of the box frame 120 adopt a large chamfered structure design, and the left and right sides adopt a wing-type flip-up door structure, which is symmetrical on the left and right, with two doors each. At the 120° skirt plate position of the box frame, in order to ensure the operation of the water inlet and outlet and the placement and retrieval of equipment, a special aluminum profile structure is used to install a down-turn pedal and an up-turn door structure. The up-turn door presses the down-turn pedal, and a rotary lock is installed on the up-turn door. Guardrails are installed at the booster tank and urea tank of the chassis 100°. The guardrails are made of aluminum profiles. The overall appearance is beautiful and practical.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. 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 high-lift pump fire truck, characterized in that: The invention comprises a chassis (100) and a water intake system and a pressure boosting system arranged on the chassis (100); the pressure boosting system is provided with a pressure boosting pump (310), a pressure sensor (320), a controller and a relief valve (330); the pressure boosting pump (310) is provided with a plurality of inlets and a plurality of outlets, the inlets are connected to the water intake system, and the relief valve (330) is provided at the outlets; the pressure sensor (320) is provided at the inlet and the outlet, and the controller is electrically connected to the pressure sensor (320) and the relief valve (330) respectively.

2. The high-lift pump fire truck according to claim 1, characterized in that: The inlet includes four DN80 interfaces (311) and two DN100 interfaces (312), and the outlet includes four DN80 interfaces (311) and two DN100 interfaces (312).

3. The high-lift pump fire truck according to claim 1, characterized in that: A subframe (110) is also provided on the chassis (100); the supercharging system further comprises a coupling (340), a supercharging engine (350) and a supercharging oil tank; the supercharging pump (310) is connected to the supercharging engine (350) via the coupling (340), and the supercharging oil tank is used to supply oil to the supercharging engine (350); the supercharging pump (310), the coupling (340) and the supercharging engine (350) are fixedly mounted on the subframe (110).

4. The high-lift pump fire truck according to claim 3, characterized in that: A box frame (120) is also provided on the chassis (100), and the boost oil tank is fixed on the box frame (120).

5. The high-lift pump fire truck according to claim 1, characterized in that: The water intake system comprises a hydraulic assembly (210), an oil inlet and return hydraulic pipe (220), a floating boat pump (230) and a straight arm crane (240); the hydraulic assembly (210) is connected to the floating boat pump (230) through the oil inlet and return hydraulic pipe (220); the straight arm crane (240) is fixedly arranged on the chassis (100) and is used to suspend the floating boat pump (230); the floating boat pump (230) is connected to the inlet of the booster pump (310).

6. The high-lift pump fire truck according to claim 5, characterized in that: The oil inlet and return hydraulic pipe (220) and the floating boat pump (230) are detachably sealed and plugged in via a quick-plug connector (250).

7. The high-lift pump fire truck according to claim 5, characterized in that: The hydraulic assembly (210) comprises a hydraulic pump (211), a control valve (212), a hydraulic oil tank (213) and a hydraulic reel (214); the hydraulic pump (211), the control valve (212), the hydraulic oil tank (213) and the hydraulic reel (214) are connected in sequence.

8. The high-lift pump fire truck according to claim 7, characterized in that: The hydraulic assembly (210) further comprises a cooler (215); the cooler (215) is integrated with the hydraulic oil tank (213) and is used to cool the hydraulic oil.

9. The high-lift pump fire truck according to claim 1, characterized in that: The chassis (100) is a 4×4 off-road chassis.