Scania YT22 Class A Foam Aerial Ladder Fire Truck

Scania YT22 Class A Foam Aerial Ladder Fire Truck

vehicle for fire fighting. Water Tank volume :1800L,Foam Tank 200L

22m ladder, fire pump, fire cannon

Four-door double-row cab, the total number of passengers (including drivers) ≥ 6, according to the seat arrangement of the end user, front and rear rows

All of them are equipped with safety belts, and the front row needs to be equipped with three-point automatic contraction safety belts;

Passenger room, seats with ≥ 4 people, and two walkie-talkie charging interfaces in the middle (the model is clear when signing the contract);

Cab

4 fixed brackets with 6.8 L-9L air respirator in the rear row (adjustable size);

In addition to the original vehicle equipment, 200W alarm (adjustable volume) and long  row or round red high-brightness LED warning light switch are installed,

Reserve a power supply (power ≥ 300 W) with dual batteries for voltage transformation of 12V, and a power interface for vehicle walkie-talkie;

Hydraulic lifting system Maximum working height ≥ 17 m;;

Rotation angle: 360 stepless;

The key hydraulic, control components and hydraulic interfaces of the hydraulic control system adopt international famous brands, and the brand models are provided when bidding;

Relevant control systems and safety protection systems meet the standard requirements of GB7956.12-2015;

Thespan of the outrigger is ≤ 6 m, and the hydraulic and wire pipelines are required to be hidden inside the outrigger;

The outrigger can be controlled independently and has azimuth indicator light;

Equipped with automatic recovery system and automatic fault alarm system;Equipped with standby hydraulic system, hydraulic pump driven by on-board generator or directly driven by motor hydraulic pump, which can be used in the main generator

 Provide independent drive when the motive fails;

Manual and one-button leveling or automatic leveling and centering functions;

Have the function of automatic recovery of boom;

The upper arm is made of high-strength steel or all-aluminum alloy, and the material with light weight and high strength is preferred;

Equipped with automatic recovery system and automatic fault alarm system;

The maximum wind strength at the maximum working height is ≥ 12 m/s;

The lifting part is equipped with an anti-miscontact high-voltage line alarm;

Aerial ladder fire truck technical parameters

Compressed Air Foam System provide the compressed air foam system of international famous brand matched with the pump, and the compressed air foam flow rate >

60L/s 0.8 MPa, air compressor flow rate < 50L/s (0.86 MPa), foam pump rated flow rate ≥ 9.0 L/min 1.0 MPa.

The two modes of compressed air foam liquid and pure water are easy to switch and have the ability to operate at the same time.

Compressed air foam flow rate: dry foam: 8L/s (water) + 56L/s (air) @ 0.86 MPa

Wet foam of foam system: 16L/s (water) + 56L/s (air) @ 0.86 MPa

Foam ratio: Automatic control foam mixing ratio, ranging from 0.1% to 3.0%

Foam drying and wetting: automatic control, program preset, stepless adjustment

Pressure balance: The pressure of water and air is automatically balanced, and the pressure difference does not exceed 10%.

Fire pump room and pipeline system

provide international famous brands of water springs, vacuum pumps, proportional mixers, pipeline systems and fire monitors. Refer to the following

Technical specifications:

Low-pressure vehicle-mounted fire pump, with pump flow ≥ 60 L/s (1.0 Mpa); The pump inlet is horizontal center suction, and the pump outlet is middle

Core ejection form, balance the reaction force at the pump outlet, and ensure the smooth operation of the pump; Mechanical seal, with cooling preferred

Water pump with heat exchange function to avoid overheating of engine or freezing of water pump; Ensure that the pump works continuously for more than 48 hours; Original

The factory is equipped with vacuum pumps to meet the requirements of national standards for vacuum absorption; The original factory is equipped with automatic foam proportional mixer; Optional water

Pump and its foam system assembly need to provide national product inspection report;

Water cannon flow rate > 20L/s (1.0 MPa); It is necessary to provide a national test report;

≥ 1 clip-type 150mm water suction port with pipeline diameter of 150mm;;

Fire pump house and

A butterfly valve is installed at the water inlet of the water pump suction pipe; The inlet pipe has a pressure relief device, which can realize automatic when it exceeds 0.5 Mpa

Pipeline system

Pressure relief function; A safety valve is set on the outlet pipeline of the pump of the high-pressure spray truck.

Outlet globe valve integral anticorrosion treatment, pressure resistance value is not less than 1.0 MPa, handwheel control opening and closing, material is stainless steel,

Two 80mm outlet interfaces and two left and right water injection interfaces, made of forged or tin bronze, with internal buckles or buckles;

The whole vehicle adopts rear water pump system, and the drain outlet of vacuum pump faces down;

The solenoid valve and pneumatic pipeline bus box are centrally arranged beside the instrument operation panel with fault warning lights; Circuit and gas circuit

Install casing to avoid damage during use, and install emergency opening function on the total gas circuit;

Water tank 

The total liquid carrying capacity is ≥ 2000L (the ratio of water tank and foam tank is determined according to the actual situation of the detachment);

The tank body is made of stainless steel (above 304) or better than this material, and the thickness of all plates of the tank body is ≥ 4 mm.

The shelf life of the tank is more than 10 years;

The upper part of the water tank is provided with a manhole with a quick locking or opening device, and is internally provided with longitudinal and transverse anti-swinging plates;

The water tank is equipped with an overflow pipe with elbow and an anti-overflow water supply pipe with elbow, and the water supply pipe should be filled with water from the top of the tank;

The water tank is provided with a sewage outlet and a stainless steel ball valve;

The water injection port is designed at the rear of the trunk or on both sides of the car body, and the distance between the water inlet and the water outlet of the tank body is more than 50cm, which is stuffy

Cover with filter screen;

There should be a water tank level indicator;

The top of the water tank should be used with anti-skid plate or anti-skid treatment;

The filter screen of the water pump at the bottom of the tank is in a round lock shape to prevent the water pump from blocking;

All pipelines should be distinguished by different colors, the outlet pipeline is red and the inlet pipeline is green; Foam outlet pipeline yellow, with 65mm foam liquid filling port;

The manufacturer provides one positive and negative pressure vacuum gauge (positive pressure value ≥ 2 MPa, negative pressure value ≤ 0. 1MPa, gauge needle centered) and liquid level sensing

1 device, spare:

Fire monitor 

Remote control water cannon, water and foam dual-purpose (with foam cannon head);

Water cannon flow ≥ 20 L/s;

Maximum range: water ≥ 40 m, foam ≥ 35 m;;

Fixed position: front end of hydraulic arm;

Control mode: wired remote control, adjust the tilt, left and right angles and water outlet mode of the gun;

Equipment box

Material: The back frame of the equipment box is made of aluminum alloy profile or special material superior to this profile, and the exhibition board is made of aluminum and gold plates, and

Thickness of all aluminum alloy plates ≥ 4 mm;;

Rolling shutter door: It adopts aluminum alloy pull rod type (tie rod handle, bottom lock) rolling shutter door, and the thickness of aluminum alloy material of rolling shutter door

≥ 1 mm; The whole thickness of the front page of the rolling shutter door is ≥ 20 mm, the thickness of the pull belt of the rolling shutter door is ≥ 2. 5mm, and the track is made of aluminum formed once

Alloy profile;

Layout: It is reasonably distributed on both sides of the vehicle, and is designed with lighting induction switch when the door is opened and lighting when the door is opened when driving

Alarm device;

Design must achieve sufficient load bearing capacity, aluminum plate bonding technology must be smooth, smooth, beautiful;

The axle load distribution of the whole vehicle is reasonable. When signing the contract, provide the distribution map of the equipment box, and all the equipment on board should adopt special fixtures

Scientific and reasonable fixed in the equipment box, simple and quick access;

The arrangement and fixation of equipment shall be according to the requirements of customers. Use pumping, transfer box, moving cart, slideway, turning door and rotating

Turn brackets, etc., classify one by one, and place them according to size. Orderly discharge, firm fixation and clear at a glance.

All pedals of vehicles shall be formed by aluminum alloy at one time, and the surface shall be anodized:

Electrical system

The arm end is equipped with a wired video camera, and the mobile display is placed in the console;

An infrared surveillance camera with waterproof fog is set at the appropriate position at the arm end to monitor the fire scene and jet flow, and a fire point chase is set at the gun head

Trace function, monitor setting image interface;

The pressure requirement of water cannon outlet is displayed on the operation panel;

Both ends of the top of the cab are equipped with long rows or circular LED strobe warning lights, and air intake is 1.2-1.7 meters from the ground in front of the cab

LED strobe is installed at appropriate positions on the grille;

The whole vehicle is equipped with a well-known brand generator ≥ 3 kW, with an output voltage of 220V/380V, which can be directly returned to the standby hydraulic emergency

The power supply of the receiving system, or the sampling motor hydraulic pump directly drives the emergency recovery system;

Set up the main valve of the air circuit independently to ensure more than 2 sets of operation functions, and the bus box of the solenoid valve is at the rear of the vehicle or on the side of the vehicle body

The serial number is marked, and the manual emergency operation switch is at the lower end of the bus box, which is convenient for emergency operation;

Two sets of blue-red LED stroboscopic warning lights are installed at the rear corners of the roof, with a length and width of not less than 20cm;;

The electrical parts of alarms, warning lights, radio stations, equipment box lighting, etc. should be independent circuits;

The water tank is equipped with a low liquid level sensing device to realize the self-protection function of the water pump (from the high-speed operation of the water pump to the idle self-protection state);

The utility charging self-dropping device is installed outside the cab near the driver's side; The original position of the battery group is really required by the layout

Adjustment should be installed on the left side near the driver's operation area as much as possible;

Install front driving recorder (memory ≥ 32 G), 360 ° 3D panorama (display screen 10 inches) and reversing radar image

And  voice broadcast steering system;

control system 

Including a display and corresponding control buttons and levers;

The operating platform of the rotary platform should have a foot switch. When the switch is pressed and the hydraulic system operating valve is operated at the same time

The machine speed should automatically respond and adjust to the working speed range of the hydraulic oil pump, and the hydraulic system should take corresponding actions. When not stepped on

When lowering the switch and manipulating the hydraulic system operating valve, the hydraulic system should not respond;

The engine speed is within 1600 rpm, and the water pump and hydraulic pump can work simultaneously for a short period of time;

Equipped with functions such as self inspection, monitoring, and fault diagnosis, providing a Chinese operating language system and a good human-machine interaction system;

Outrigger system

The support leg system should have an automatic "one click" control system, which should include ≥ four hydraulically driven support legs installed on the main

In the bracket inside the frame; The storage box controlled by the legs should be equipped with an automatic door switch and lighting for night operation.

Power take-off

It should meet the power requirements of the upper boom and fire pump, and be able to maintain a relatively stable cooling system to meet the long-term temperature control needs.

Security control system

Working amplitude limit: At any angle of amplitude variation, the main boom has a definite amplitude limit. One meter before reaching the amplitude limit

At this time, the luffing and arm extension will automatically slow down, and there will be corresponding text prompts on the screen until they reach the limit value and automatically stop.

Soft leg control: During the operation of the vehicle, if a certain leg is not under force, an alarm signal is generated through the electronic control switch control - the leg light flashes and sounds an alarm, indicating that the leg is not under force (soft leg). The operator should check and adjust it to prevent the vehicle from losing stability.

Interlocking device for getting on and off: When the landing legs do not firmly support the ground and the vehicle body is leveled, all actions for getting on will stop;

When the boom does not receive the support frame, stop all movements when getting off the car.

Deceleration stop device for boom luffing and telescoping to the extreme position.

Boom mid position falling device: When the boom and platform approach the tank or cab on the side or above, it will stop all movements towards the unsafe direction; When the boom and platform are all in place and the center position is taken, the boom can automatically fall back.

Platform anti-collision protection: The platform is equipped with ultrasonic anti-collision protection, which automatically stops the platform and arms when approaching obstacles

All movements towards an unsafe direction; The screen will display corresponding icons and text prompts.

Overload control: When the load borne by the boom, work platform, and ladder system exceeds the rated value, corresponding icons and text prompts will appear on the screen, and sound and light alarms will be given. At this time, the load should be reduced.

Wind speed alarm system: The working platform is equipped with an anemometer, which alarms when the wind reaches the rated maximum wind speed value.

Protection cab control: When the main arm is within 70 degrees above the cab, and when the bottom of the working platform is within 1 meter of the vehicle body, the system will automatically stop the dangerous direction action. At this time, the operation should be reversed to avoid the cab. There will be icons and text prompts on the screen.

Control of the main arm falling back onto the bracket: Only after the folding arm is fully retracted, the main arm is aligned with the bracket, and the working platform is aligned, can the arm frame be lowered onto the bracket.

Part List  :

2 multi-functional water guns;

2 foam cannon;

1 portable mobile gun;

16 discs ф 65mm or above 16 type water hose with forged interface;

24 discs ф 80mm 16 type or above forged interface water hose;

4 discs ф 80mm forged interface water hose with a size of 20 or above;

24m lightweight cartridge interface suction pipe matched with the water pump;

Four 65/80 reducing interfaces;

1 water filter;

3 water collectors with automatic pressure relief function;

4 water stops;

Not less than 1 gasoline drum (20L);

ABC fire extinguishing powder extinguishing agent ≥ 5Kg, 2 sets;

1 high-pressure forged gate valve type three-way water distributor (with pressure gauge);

Two high-pressure forged tie rod type three way water separators (with pressure gauge);

2 water suction pipe wrenches;

2 pieces of rubber water hose bridge protection;

2 fire hydrant wrenches;

1 set of onboard tools;

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