CN204050746U - A kind of vehicle-mounted large discharge fire-fighting liquid-supplying system - Google Patents
A kind of vehicle-mounted large discharge fire-fighting liquid-supplying system Download PDFInfo
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- CN204050746U CN204050746U CN201420508553.3U CN201420508553U CN204050746U CN 204050746 U CN204050746 U CN 204050746U CN 201420508553 U CN201420508553 U CN 201420508553U CN 204050746 U CN204050746 U CN 204050746U
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Abstract
The utility model discloses a kind of vehicle-mounted large discharge fire-fighting liquid-supplying system, it comprises: the Full-power takeoff on automobile chassis, hydraulic pump, vehicle-mounted large discharge fire pump, piston automatic water diversion device and three shaft gearbox, be provided with an axle, a shaft gear, two axles, two shaft gears, three axles and three shaft gears in the casing of three shaft gearbox; Full-power takeoff on automobile chassis is connected with the input of an axle, and hydraulic pump is connected with the output of two axles, and vehicle-mounted large discharge fire pump is connected with the output of three axles, and piston automatic water diversion device is connected by the input of belt with three axles.The utility model not only meets the rated speed needs of vehicle-mounted large discharge fire pump, and achieve hydraulic-driven full-automatic positive-pressure type froth ratio mixed function and piston type automatic water-leading function simultaneously, significantly improve the lasting fire-fighting fighting efficiency of large discharge fire fighting truck; In addition, the utility model also has that compact conformation is succinct, simple to operate, cost performance advantages of higher.
Description
Technical field
The utility model relates to a kind of vehicle-mounted large discharge fire-fighting liquid-supplying system, belongs to fire-fighting equipment technical field.
Background technology
In recent years, the fire fighting truck of China is produced to achieve and is developed rapidly, particularly the large discharge of some Importing Foreign Advanced Technologies more than 10 tons of producing, high-power, Far Range water pot disappear car and foam truck etc., achieve larger breakthrough, the more representative foam truck having 18 tons and 21 tons.These large discharge, high-power, long-range Novel fire-fighting truck, for effectively controlling malignant fire, promote fire attack ability significant, be applicable to the professional fire brigade such as People's Armed Police fire brigade and oil field, petrochemical enterprise, port and pier, airport, for oil fire and the general solid fire puted out a fire to save life and property.
But for the situation that large-sized fire is long with the duration of putting out a fire to save life and property, one of its key technology at utmost to play vehicle-mounted large discharge pump performance, water pump needs to play metered flow and pressure, therefore speeder must be had between vehicle-mounted total power power takeoff output to fire pump input, meet the requirement of fire pump to input speed, and prior art is by being equipped with separately gearbox for vehicle-mounted large discharge fire pump to meet this requirement, so that add the cost of fire fighting truck.In addition, existing large discharge, high-power, long-range fire fighting truck realize hydraulic-driven full-automatic positive-pressure type foam feed flow, and being increases side power takeoff at automobile chassis transmission case to drive hydraulic pump, and not only increase the cost of fire fighting truck, operation is also complicated; And diversion adopts electric diversion device, need during starting mode of pump to pull separately diversion electric handle just can carry out diversion, not only complex structure, troublesome poeration, cost also increases.
Utility model content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide a kind of vehicle-mounted large discharge fire-fighting liquid-supplying system, to meet the feed flow requirement of large discharge, high-power, Far Range fire fighting truck, and realize low cost, simplify the operation, improve the objects such as the lasting fire-fighting fighting efficiency of large discharge fire fighting truck.
For achieving the above object, the utility model adopts following technical scheme:
A kind of vehicle-mounted large discharge fire-fighting liquid-supplying system, comprise: the Full-power takeoff on automobile chassis, hydraulic pump, vehicle-mounted large discharge fire pump, piston automatic water diversion device, it is characterized in that: also comprise three shaft gearbox, an axle is provided with in the casing of three shaft gearbox, one shaft gear, two axles, two shaft gears, three axles and three shaft gears, a described shaft gear is sleeved on an axle, two described shaft gears are sleeved on two axles, three described shaft gears are sleeved on three axles, and a described shaft gear and two shaft gears, all engaging structure is formed between two shaft gears and three shaft gears, Full-power takeoff on automobile chassis is connected with the input of an axle, and hydraulic pump is connected with the output of two axles, and vehicle-mounted large discharge fire pump is connected with the output of three axles, and piston automatic water diversion device is connected by the input of belt with three axles.
Preferably, the input of an axle and the output of two axles are all located at the casing front end of three shaft gearbox.
Preferably, the output of three axles is located at the box back of three shaft gearbox.
Preferably, piston automatic water diversion device is arranged on the casing upper end of three shaft gearbox.
Preferably, arrange belt pulley at the input of three axles, one end suit of described belt over pulleys carried.
Preferably, flow >=170 liter/second of described vehicle-mounted large discharge fire pump.
Preferably, described hydraulic pump is electrohydraulic proportion variable hydraulic planger pump.
As further preferred version, described electrohydraulic proportion variable hydraulic planger pump and quantitative plunger motor form closed system to drive foam pump work, realize full-automatic positive-pressure type froth ratio mixed function.
Operation principle of the present utility model is as follows:
Full-power takeoff on automobile chassis provides power drive one axle to rotate; Give two shaft gears by a shaft gear transfer motion power on an axle, drive two shaft gears and two axles to rotate; Give three shaft gears by two shaft gear transfer motion powers again, drive three shaft gears and three axles to rotate; The rotating drive hydraulic pump of two axles, the vehicle-mounted large discharge fire pump of rotating drive of three axles and piston automatic water diversion device.
Compared with prior art, the utility model has following beneficial effect:
The vehicle-mounted large discharge fire-fighting liquid-supplying system of core that what the utility model provided with three shaft gearbox is, not only meet the rated speed needs of vehicle-mounted large discharge fire pump, and achieve hydraulic-driven full-automatic positive-pressure type froth ratio mixed function and piston type automatic water-leading function simultaneously, significantly improve the lasting fire-fighting fighting efficiency of large discharge fire fighting truck; In addition, the utility model also has that compact conformation is succinct, simple to operate, cost performance advantages of higher, has significant industrial application value, can wide popularization and application.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vehicle-mounted large discharge fire-fighting liquid-supplying system that the utility model provides.
In figure: 1, hydraulic pump; 2, vehicle-mounted large discharge fire pump; 3, piston automatic water diversion device; 4, three shaft gearbox; 41, an axle; 411, the input of an axle; 42, a shaft gear; 43, two axles; 431, the output of two axles; 44, two shaft gears; 45, three axles; 451, the output of three axles; 452, the input of three axles; 46, three shaft gears; 5, belt pulley; 6, belt.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.
Shown in Figure 1: the one that the utility model provides vehicle-mounted large discharge fire-fighting liquid-supplying system, comprise: the Full-power takeoff (not shown) on automobile chassis, hydraulic pump 1, vehicle-mounted large discharge fire pump 2, piston automatic water diversion device 3, three shaft gearbox 4, an axle 41 is provided with in the casing of three shaft gearbox 4, one shaft gear 42, two axles 43, two shaft gears 44, three axle 45 and three shaft gears 46, a described shaft gear 42 is sleeved on an axle 41, two described shaft gears 44 are sleeved on two axles 43, three described shaft gears 46 are sleeved on three axles 45, and described shaft gear 42 and two shaft gears 44, all engaging structure is formed between two shaft gears 44 and three shaft gears 46, Full-power takeoff (not shown) on automobile chassis is connected with the input 411 of an axle 41, and hydraulic pump 1 is connected with the output 431 of two axles 43, and vehicle-mounted large discharge fire pump 2 is connected with the output 451 of three axles 45, piston automatic water diversion device 3 is connected by the input 452 of belt 6 with three axles 45, specifically, arrange belt pulley 5 at the input 452 of three axles 45, one end of described belt 6 is sleeved on belt pulley 5, and the other end of described belt 6 is sleeved on piston automatic water diversion device 3.
In the present embodiment:
The input 411 of one axle 41 and the output 431 of two axles 43 are all located at the casing front end of three shaft gearbox 4, and the output 451 of three axles 45 is located at the box back of three shaft gearbox 4, and piston automatic water diversion device 3 is arranged on the casing upper end of three shaft gearbox 4.
Flow >=170 liter/second of described vehicle-mounted large discharge fire pump 2, such as: U.S. sea can be selected to strangle the 8FC type fire pump of (HALE) company.
Described hydraulic pump 1 is electrohydraulic proportion variable hydraulic planger pump, and described electrohydraulic proportion variable hydraulic planger pump and quantitative plunger motor form closed system.
The operation principle of liquid-supplying system provided by the utility model is as follows:
1) when the Full-power takeoff on automobile chassis provides power drive one axle 41 to rotate, two shaft gears 44 will be given by shaft gear 42 transfer motion power, drive two shaft gears 44 and two axles 43 to rotate; Give three shaft gears 46 by two shaft gear 44 transfer motion powers again, drive three shaft gears 46 and three axles 45 to rotate; And the rotation of two axles 43 can drive hydraulic pump 1 to work, the rotation of three axles 45 can drive vehicle-mounted large discharge fire pump 2 and drive piston automatic water diversion device 3 to work by belt 6;
2) if hydraulic pump 1 is electrohydraulic proportion variable hydraulic planger pump, when described electrohydraulic proportion variable hydraulic planger pump and quantitative plunger motor form closed system, when two axles output power to electrohydraulic proportion variable hydraulic planger pump, variable delivery hydraulic plunger displacement pump can control quantitative plunger motor rotations, by quantitative plunger motor electrodeless variable-speed function, can driven wheel foam pump work, realize hydraulic-driven full-automatic positive-pressure type froth ratio mixed function, thus overcome prior art to realize hydraulic-driven full-automatic positive-pressure type froth ratio mixed function, need on automobile chassis transmission case, to increase side power takeoff to drive the labyrinth of hydraulic pump, save cost,
3) because the rotational of three axles 45 drives vehicle-mounted large discharge fire pump 2 and drives piston automatic water diversion device 3 to work by belt 6, thus not only meet the rated speed needs of vehicle-mounted large discharge fire pump, and achieve piston type automatic water-leading function simultaneously; Relative to existing electric diversion structure, significantly improve cost performance and succinct pipeline jointing construction, more simply (prior art is when starting mode of pump importantly to make water supplying operation, need to pull separately diversion electric handle just can carry out diversion operation), shorten the water discharging time of large discharge fire fighting truck in operation.
Visible in sum: the vehicle-mounted large discharge fire-fighting liquid-supplying system of core that what the utility model provided with three shaft gearbox is, not only meet the rated speed needs of vehicle-mounted large discharge fire pump, and achieve hydraulic-driven full-automatic positive-pressure type froth ratio mixed function and piston type automatic water-leading function simultaneously, significantly improve the lasting fire-fighting fighting efficiency of large discharge fire fighting truck; In addition, the utility model also has that compact conformation is succinct, simple to operate, cost performance advantages of higher, has significant industrial application value, can wide popularization and application.
Finally be necessary to herein means out: above-mentioned explanation is only for being described in further detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection domain of the present utility model.
Claims (8)
1. a vehicle-mounted large discharge fire-fighting liquid-supplying system, comprise: the Full-power takeoff on automobile chassis, hydraulic pump, vehicle-mounted large discharge fire pump, piston automatic water diversion device, it is characterized in that: also comprise three shaft gearbox, an axle is provided with in the casing of three shaft gearbox, one shaft gear, two axles, two shaft gears, three axles and three shaft gears, a described shaft gear is sleeved on an axle, two described shaft gears are sleeved on two axles, three described shaft gears are sleeved on three axles, and a described shaft gear and two shaft gears, all engaging structure is formed between two shaft gears and three shaft gears, Full-power takeoff on automobile chassis is connected with the input of an axle, and hydraulic pump is connected with the output of two axles, and vehicle-mounted large discharge fire pump is connected with the output of three axles, and piston automatic water diversion device is connected by the input of belt with three axles.
2. vehicle-mounted large discharge fire-fighting liquid-supplying system as claimed in claim 1, is characterized in that: the input of an axle and the output of two axles are all located at the casing front end of three shaft gearbox.
3. vehicle-mounted large discharge fire-fighting liquid-supplying system as claimed in claim 1 or 2, is characterized in that: the output of three axles is located at the box back of three shaft gearbox.
4. vehicle-mounted large discharge fire-fighting liquid-supplying system as claimed in claim 1, is characterized in that: piston automatic water diversion device is arranged on the casing upper end of three shaft gearbox.
5. vehicle-mounted large discharge fire-fighting liquid-supplying system as claimed in claim 1, is characterized in that: arrange belt pulley at the input of three axles, and one end suit of described belt over pulleys carried.
6. vehicle-mounted large discharge fire-fighting liquid-supplying system as claimed in claim 1, is characterized in that: flow >=170 liter/second of described vehicle-mounted large discharge fire pump.
7. vehicle-mounted large discharge fire-fighting liquid-supplying system as claimed in claim 1, is characterized in that: described hydraulic pump is electrohydraulic proportion variable hydraulic planger pump.
8. vehicle-mounted large discharge fire-fighting liquid-supplying system as claimed in claim 7, is characterized in that: described electrohydraulic proportion variable hydraulic planger pump and quantitative plunger motor form closed system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508553.3U CN204050746U (en) | 2014-09-04 | 2014-09-04 | A kind of vehicle-mounted large discharge fire-fighting liquid-supplying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508553.3U CN204050746U (en) | 2014-09-04 | 2014-09-04 | A kind of vehicle-mounted large discharge fire-fighting liquid-supplying system |
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| CN204050746U true CN204050746U (en) | 2014-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452457A (en) * | 2017-12-27 | 2018-08-28 | 三汽车制造有限公司 | A kind of wagon |
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2014
- 2014-09-04 CN CN201420508553.3U patent/CN204050746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452457A (en) * | 2017-12-27 | 2018-08-28 | 三汽车制造有限公司 | A kind of wagon |
| CN108452457B (en) * | 2017-12-27 | 2023-04-28 | 三一汽车制造有限公司 | Water hose fire engine |
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