CN207106302U - A kind of power takeoff constant pressure water supply car - Google Patents
A kind of power takeoff constant pressure water supply car Download PDFInfo
- Publication number
- CN207106302U CN207106302U CN201721003574.XU CN201721003574U CN207106302U CN 207106302 U CN207106302 U CN 207106302U CN 201721003574 U CN201721003574 U CN 201721003574U CN 207106302 U CN207106302 U CN 207106302U
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- China
- Prior art keywords
- water
- pressure
- power takeoff
- constant pressure
- supply car
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Abstract
The utility model discloses a kind of power takeoff constant pressure water supply car,Including chassis,The chassis is provided with engine,Power takeoff and water system,The engine is connected with water system by power takeoff and provides power for water system,The water system includes auxiliary transmission,Clutch,Water pump,Water tank and control system of invariable pressure,The input shaft of the auxiliary transmission is connected on the output shaft of power takeoff by clutch,The output shaft of auxiliary transmission is connected with water pump,The water pump is arranged on chassis,The water inlet of the water pump is connected by connecting tube with water tank,The delivery port of water pump is provided with pressure-detecting device,Pressure-detecting device is connected with control system of invariable pressure,Signal is simultaneously passed to control system of invariable pressure by the change of pressure-detecting device detection pressure signal,The gearratio that control system of invariable pressure controls to adjust auxiliary transmission makes the output pressure of water pump keep constant.
Description
Technical field
A kind of water tender is the utility model is related to, especially a kind of power takeoff constant pressure water supply car.
Background technology
Residential area, hospital, school etc. much use water place, are damaged if there is pipeline is violent, it is necessary to maintenance of cutting off the water,
And the time typically overhauled can be long, influence just to commonly use water, cause inconvenience.Existing Emergency water supply car passes through water pump
Water in water tank is transported in user, but in different periods, user's water is more sometimes, and user is few with water sometimes, and this just makes
It is unstable into the hydraulic pressure to supply water, user with water it is more when, or even there is the situation that some high-rise user's hydraulic pressure can not reach, together
Sample is caused with water inconvenience.
The content of the invention
In order to solve deficiency of the prior art, the purpose of this utility model is that providing one kind can tie up output hydraulic pressure
The power takeoff constant pressure water supply car for keeping steady fixed.
To achieve the above object, the utility model uses following technical scheme：
A kind of power takeoff constant pressure water supply car, it is characterised in that：Including chassis, the chassis is provided with engine, taken
Power device and water system, the engine is connected with water system by power takeoff and provides power for water system, described
Water system includes auxiliary transmission, clutch, water pump, water tank and control system of invariable pressure, the input shaft of the auxiliary transmission
It is connected to by clutch on the output shaft of power takeoff, the output shaft of auxiliary transmission is connected with water pump, and the water pump is arranged on car
On chassis, the water inlet of the water pump is connected by connecting tube with water tank, and the delivery port of water pump is provided with pressure-detecting device,
Pressure-detecting device is connected with control system of invariable pressure, and signal is simultaneously passed to perseverance by the change of pressure-detecting device detection pressure signal
Pressure control system, the gearratio that control system of invariable pressure controls to adjust auxiliary transmission make the output pressure of water pump keep constant.
The pressure-detecting device is pressure switch.
Water level sensor, water level high level alarm, water level low-level alarm are additionally provided with the water tank.
Water tank pressurization device is additionally provided with the water tank.
Multiple baffle plates have been arranged alternately in the water tank from front to back.
Blow vent is additionally provided with the top of the water tank.
The bottom of the chassis is provided with earthing or grounding means.
Lightning protection device is additionally provided with the chassis.
The top of driver's cabin is provided with liftable illuminating lamp on the chassis.
The utility model uses above technical scheme, passes through the pressure switch being arranged at pump outlet, in real time detection
The output hydraulic pressure of water pump, the hydraulic pressure of detection compared with setting value, when hydraulic pressure it is low with setting value when, the biography of control increase auxiliary transmission
Dynamic ratio, auxiliary transmission output rotating speed is set to increase, the carrying capacity increase of water pump, hydraulic pressure rises, when hydraulic pressure is higher than setting value, control
System reduces the gearratio of auxiliary transmission, declines auxiliary transmission output rotating speed, the carrying capacity of water pump is reduced, and hydraulic pressure declines, and makes
Obtaining water tender hydraulic pressure in multi-user's use can still keep stable.
Brief description of the drawings
The utility model is described in further details below in conjunction with the drawings and specific embodiments：
Fig. 1 is a kind of structural representation of power takeoff constant pressure water supply car of the utility model；
Fig. 2 is the utility model overlooking the structure diagram.
Embodiment
As shown in accompanying drawing 1 or 2, the utility model includes chassis 1, and the chassis is provided with engine 2, power takeoff 3
And water system 4, the engine 2 is connected with water system 4 by power takeoff 3 and provides power for water system, described
Water system includes auxiliary transmission 41, clutch 42, water pump 43, water tank 44 and control system of invariable pressure, the auxiliary transmission
41 input shaft is connected to by clutch 42 on the output shaft of power takeoff 3, and the output shaft of auxiliary transmission 41 is connected with water pump 43,
The water pump 43 is arranged on chassis, and the water inlet of the water pump 43 is connected by connecting tube with water tank 44, water pump 43
Delivery port is provided with pressure-detecting device 431, and pressure-detecting device 431 is connected with control system of invariable pressure, pressure-detecting device 431
Detect the change of pressure signal and signal is passed into control system of invariable pressure, control system of invariable pressure controls to adjust auxiliary transmission 41
Gearratio makes the output pressure of water pump 43 keep constant.The pressure-detecting device 431 is pressure switch.In the water tank also
Provided with water level sensor 5, water level high level alarm 6, water level low-level alarm 7.Water tank pressurization device is additionally provided with the water tank
（Not shown in figure）.Multiple baffle plates 441 have been arranged alternately in the water tank from front to back.It is additionally provided with the top of the water tank
Blow vent 8.The top of driver's cabin is provided with liftable illuminating lamp 10 on the chassis.The bottom of the chassis is provided with ground connection
Device 9.Earthing or grounding means 9 includes earth cable and drop bar, and earth cable is wound on reel and is fixed on compartment bottom.Drop bar is adopted
With the poles of ∮ 16, pole zinc-plated processing is to prevent from getting rusty and ensure good electric conductivity.Lightning protection dress is additionally provided with the chassis
Put（Not shown in figure）Lightning arrester is Surge Protector, and lightning arrester is installed between genset three-phase wire and ground, with
In parallel by protection equipment, when overvoltage value reaches defined operation voltage, lightning arrester acts immediately, flows through electric charge, limitation
Overvoltage Amplitude, protection equipment insulation, after magnitude of voltage is normal, lightning arrester is again rapid to restore to the original state, to ensure that system normally supplies
Electricity.
During utility model works, when pressure switch detection pressure is less than setting value, Isobarically Control system is signaled to
System, control system of invariable pressure control the matching relationship of auxiliary transmission gear joint so that auxiliary transmission inputs the gearratio with output
Improve, the rotating speed of auxiliary transmission output shaft rises, and so as to drive the output quantity of water pump to increase, improves hydraulic pressure, works as pressure switch
When detection pressure is higher than setting value, control system of invariable pressure, control system of invariable pressure control auxiliary transmission gear joint are signaled to
Matching relationship so that auxiliary transmission inputs to be reduced with the gearratio of output, and the rotating speed of auxiliary transmission output shaft declines, so as to band
The output quantity of dynamic water pump is reduced, and reduces hydraulic pressure.
Claims (9)
- A kind of 1. power takeoff constant pressure water supply car, it is characterised in that：Including chassis, the chassis is provided with engine, power taking Device and water system, the engine are connected with water system by power takeoff and provide power, the confession for water system Water system includes auxiliary transmission, clutch, water pump, water tank and control system of invariable pressure, and the input shaft of the auxiliary transmission leads to Cross clutch to be connected on the output shaft of power takeoff, the output shaft of auxiliary transmission is connected with water pump, and the water pump is arranged on underbody On disk, the water inlet of the water pump is connected by connecting tube with water tank, and the delivery port of water pump is provided with pressure-detecting device, pressure Force checking device is connected with control system of invariable pressure, and signal is simultaneously passed to constant pressure by the change of pressure-detecting device detection pressure signal Control system, the gearratio that control system of invariable pressure controls to adjust auxiliary transmission make the output pressure of water pump keep constant.
- A kind of 2. power takeoff constant pressure water supply car according to claim 1, it is characterised in that：The pressure-detecting device is pressure Power switchs.
- A kind of 3. power takeoff constant pressure water supply car according to claim 1, it is characterised in that：Water is additionally provided with the water tank Position inductor, water level high level alarm, water level low-level alarm.
- A kind of 4. power takeoff constant pressure water supply car according to claim 1, it is characterised in that：Water is additionally provided with the water tank Case booster.
- A kind of 5. power takeoff constant pressure water supply car according to claim 1, it is characterised in that：In the water tank from front to back It has been arranged alternately multiple baffle plates.
- A kind of 6. power takeoff constant pressure water supply car according to claim 1, it is characterised in that：The top of the water tank is also set There is blow vent.
- A kind of 7. power takeoff constant pressure water supply car according to claim 1, it is characterised in that：The bottom of the chassis is provided with Earthing or grounding means.
- A kind of 8. power takeoff constant pressure water supply car according to claim 1, it is characterised in that：It is additionally provided with the chassis anti- Thunder device.
- A kind of 9. power takeoff constant pressure water supply car according to claim 1, it is characterised in that：Driver's cabin on the chassis Top is provided with liftable illuminating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003574.XU CN207106302U (en) | 2017-08-08 | 2017-08-08 | A kind of power takeoff constant pressure water supply car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003574.XU CN207106302U (en) | 2017-08-08 | 2017-08-08 | A kind of power takeoff constant pressure water supply car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207106302U true CN207106302U (en) | 2018-03-16 |
Family
ID=61571399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721003574.XU Active CN207106302U (en) | 2017-08-08 | 2017-08-08 | A kind of power takeoff constant pressure water supply car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207106302U (en) |
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2017
- 2017-08-08 CN CN201721003574.XU patent/CN207106302U/en active Active
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