CN109854366A - Vehicle-mounted vehicle drives self-priming pump truck and its speed regulation with fast method - Google Patents

Vehicle-mounted vehicle drives self-priming pump truck and its speed regulation with fast method Download PDF

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Publication number
CN109854366A
CN109854366A CN201910037463.8A CN201910037463A CN109854366A CN 109854366 A CN109854366 A CN 109854366A CN 201910037463 A CN201910037463 A CN 201910037463A CN 109854366 A CN109854366 A CN 109854366A
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CN
China
Prior art keywords
priming pump
vehicle
speed
automobile
self
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Pending
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CN201910037463.8A
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Chinese (zh)
Inventor
高洪亮
朴成功
张强
赵惠彬
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HARBIN QINGGONGLIN PUMPS CO Ltd
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HARBIN QINGGONGLIN PUMPS CO Ltd
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Application filed by HARBIN QINGGONGLIN PUMPS CO Ltd filed Critical HARBIN QINGGONGLIN PUMPS CO Ltd
Priority to CN201910037463.8A priority Critical patent/CN109854366A/en
Publication of CN109854366A publication Critical patent/CN109854366A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of vehicle-mounted vehicle and drives self-priming pump truck and its speed regulation with fast method, the output shaft of the engine of automobile connects preceding power takeoff, the preceding power takeoff has an input shaft and two output shafts, then one of output shaft connects vehicle transmission shaft through the gearbox of automobile clutch connection automobile, another output shaft reconnects through force aid clutch and drives self priming pump;Wherein, the value range of the transmission ratio i between two output shafts of the preceding power takeoff is (Nf/Nb) * (1 ± 5%), and the Nf is the maximum torque point of engine, and the Nb is the rated speed of self priming pump.The present invention to guarantee that engine is matched with maximum torque point Nf with the rated speed Nb of self priming pump, and then guarantees the technical performances such as flow, lift, efficiency for pumping by the transmission ratio i of power takeoff before being arranged.

Description

Vehicle-mounted vehicle drives self-priming pump truck and its speed regulation with fast method
Technical field
The present invention relates to the special-purpose vehicle technical fields of automobile industry, further relate to the self-priming pump technical field of industrial centrifugal pump.
Background technique
Since the ponding of heavy rain or other reasons can usually be given, production, life is made troubles or disaster, accumulates there is burst When water or flood, due to the pumping equipment that spot is usually not fixed, it is therefore desirable to which mobile facility carries out Quick drainage, speedily carries out rescue work Operation.
The existing emergency in home and abroad water drainage vehicle and movable pump station are vehicular or towed at present, and vehicle or chassis are only As the mobile vehicle of the drainage equipment such as water pump, power needed for usual pump working is supplied by independent generator set device.
Vehicular water drainage pump truck is the chassis that the facilities such as generating set or diesel engine unit and the water pump of driving are fixed on to vehicle On, surrounding and top closed, power is provided by vehicle-based generator set or diesel engine unit, and high equipment cost, diesel engine noise is big, It is complicated for operation.
Towed water drainage pump truck is also referred to as pulling type water drainage vehicle, is that the dedicated units such as generating set, water pump are fixed on trailer On, surrounding and top are closed.Water drainage vehicle cannot walk alone, other traction devices is needed to pull or transport.Its feature is It cannot walk alone, other features are identical as vehicular water drainage pump truck
Applicant in this case once developed a kind of self-driving type pump truck, had applied for utility model patent, and title is a kind of " self-powered The strong self-priming flood fighting water drainage vehicle of formula ", Patent No.: ZL201420515163.9, its main feature is that: the power of pump is derived from car engine Machine, the power of engine access power takeoff by gearbox, transmission shaft, and power takeoff has an input shaft and two output shafts, In an output shaft normally connect rear axle and drive chassis normally travel, another output axis connection and transfer tube have on power takeoff Arrangement of clutch.When running car, the output shaft for connecting pump is detached from;Conversely, connecting rear axle when the output shaft work of connection pump Output shaft is detached from.As shown in figure 3,91 power of engine will be conveyed to rear power takeoff by gearbox 92, power takeoff driving shaft 93 94, an output shaft of rear power takeoff 94 drives transmission shaft 95 to connect rear axle differential 96 by vehicle, and another output shaft passes through Pump driving transmission shaft 97 connect self priming pump 98, above-mentioned power takeoff be arranged in engine 91, gearbox 92, power takeoff driving shaft 93 it Afterwards, referred to as rear power takeoff 94.It is this by way of 94 power taking of rear power takeoff, not only influence efficiency, also add transmission shaft Quantity needs three transmission shafts to realize the driving of pump with vehicle altogether, and needs to change automobile chassis first wife's transmission shaft.
The mechanics feature of water pump requires its input driving power to have substantially invariable revolving speed, and at this moment its operation is just put down Surely, under the premise of guaranteeing metered flow, rated head, guarantee that the efficiency of pump maximizes.Under normal circumstances, the rated speed of pump with The corresponding electricity of asynchronous machine, revolving speed usually respectively correspond the asynchronous machines such as 2 grades, 4 grades, 6 grades, 8 grades, correspond, water pump Rated speed is typically designed in 2900r/min, 1480r/min, 980r/min, 740r/min or so, depending on practical turn of asynchronous machine Depending on speed.It, be using the outlet valve opening for adjusting pump, to realize adjustment lift, stream when needing to adjust flow, the lift of water pump Amount, does not change the revolving speed of pump generally.As shown in Figure 1, water pump is when its rated speed is Nb, lift, flow, efficiency are best Match point.
Since automobile needs to accelerate at any time in road surface normally travel, This vehicle stops frequently, it is therefore desirable to which the travel speed of automobile can It is arbitrarily adjusted by 0km/h to 100km/h or so, in 0~6000r/min, gearbox low gear passes the revolving speed of such automobile engine It is dynamic that than generally 6 or so, top gear transmission ratio is generally 0.6~0.8, by gearbox adjust the speed the revolving speed 0 of inter-axle shaft~ 7000r/min or so.The revolving speed of transmission shaft is adjusted at random by driver's throttle and gear to the travel speed of automobile in other words , it is difficult constant speed, it can not constant-speed traveling.
The traveling road conditions of automobile feature itself and complexity determine, it is necessary to can only change by adjusting throttle and gearbox shifting The output torque for becoming transmission shaft, adjusts the travel speed of vehicle, guarantees that vehicle transmission shaft in low speed obtains more large torque, and when high speed is obtained Must be bigger, to adapt to the running environment needs of moment change, especially quick start, the brake of quick reduction of speed, as shown in Figure 2.Vapour The corresponding revolving speed of maximum torque point is Nf on car engine performance curve.
It can be seen that under prior art conditions, to realize mobility demand of the vehicle-mounted water pump when meeting an urgent need water drainage, use vapour Car engine is come when driving water pump, if vehicle-mounted to drive by control throttle and gearbox gear with conventional car engine Pump, engine difficult to realize is matched with the revolving speed of pump, torque and transmission efficiency maximizes.
Summary of the invention
The object of the present invention is to provide a kind of vehicle-mounted vehicles to drive self-priming pump truck and its speed regulation with fast method, solves existing skill Art cannot achieve engine and match with the revolving speed of pump, torque and the maximized problem of transmission efficiency.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of vehicle-mounted vehicle drives the structure of self-priming pump truck, which is characterized in that and the output shaft of the engine of automobile connects preceding power takeoff, The preceding power takeoff has an input shaft and two output shafts, change of one of output shaft through automobile clutch connection automobile Then fast case connects vehicle transmission shaft, another output shaft reconnects through force aid clutch and drives self priming pump;
Wherein, the value range of the transmission ratio i between two output shafts of the preceding power takeoff be (Nf/Nb) * (1 ± 5%), the Nf is the maximum torque point of engine, and the Nb is the rated speed of self priming pump.
The vehicle-mounted vehicle drives the structure of self-priming pump truck, wherein rotation is arranged on another output shaft of preceding power takeoff Encoder, rotary encoder connect revolution speed display through speed measurement treatment device.
The vehicle-mounted vehicle drives the structure of self-priming pump truck, wherein the driver's cabin of automobile is arranged in the revolution speed display It is interior.
The vehicle-mounted vehicle drives the structure of self-priming pump truck, wherein is additionally provided with hand throttle, the hand throttle passes through manual Control bracing wire can control the position of gas pedal, and position sensor, position sensor connection control are connected in gas pedal Unit, control unit connection adjust motor, and the throttle mechanisms connection for adjusting motor and automobile passes through the adjusting motor The aperture of the throttle mechanisms can be controlled.
The vehicle-mounted vehicle drives the structure of self-priming pump truck, wherein the hand throttle is equipped with hand throttle locator, can Hand throttle is locked at an arbitrary position.
The vehicle-mounted vehicle drives the structure of self-priming pump truck, wherein the hand throttle is locked at closed position, is controlled manually Bracing wire processed is in relaxed state.
The vehicle-mounted vehicle drives the structure of self-priming pump truck, wherein the hand throttle is arranged in the driver's cabin of automobile.
Fast method is matched in a kind of speed regulation that vehicle-mounted vehicle drives self-priming pump truck, which is characterized in that drives self priming pump using aforementioned vehicle-mounted vehicle The structure of vehicle, the speed regulation are with fast method:
The revolving speed of self priming pump is measured with rotary encoder, it is aobvious that tach signal is transported to revolution speed after the conversion of speed measurement treatment device Show device, so that operator observes at any time;
The position for controlling gas pedal by manually controlling bracing wire with hand throttle, then by position sensor to control Unit issues electric signal, and control unit will exchange section motor and issue signal after signal processing, adjusts air throttle by adjusting motor The aperture of mechanism, and then the oil mass and air quantity for entering automobile engine through oil pump from fuel tank are adjusted, realize the revolving speed control of engine System.
Fast method is matched in the speed regulation that the vehicle-mounted vehicle drives self-priming pump truck, wherein when the revolution speed that revolution speed display is read Close to self priming pump rated speed Nb when, the position of hand throttle is locked.
Compared with prior art, the invention has the advantages that:
Power takeoff preceding first has speed changing function, and the value range of transmission ratio i is (Nf/Nb) * (1 ± 5%), to protect Card engine is matched with maximum torque point Nf with the rated speed Nb of self priming pump, and input speed is the rated speed of pump, Jin Erbao Demonstrate,prove the technical performances such as flow, lift, the efficiency of pump.
Secondly, measuring the revolving speed of self priming pump with rotary encoder, tach signal is transported to pump after the conversion of speed measurement treatment device Speed display is observed at any time for operator, thus the operation working condition of intuitive and quantization understanding self priming pump, therefrom instead Mirror the load condition of self priming pump.
Third controls the position of gas pedal by manually controlling bracing wire with hand throttle, then passes through position sensor Electric signal is issued to control unit, control unit will exchange section motor and issue signal after signal processing, by adjusting motor adjustment The aperture of throttle mechanisms, and then the oil mass and air quantity for entering automobile engine through oil pump from fuel tank are adjusted, realize engine Revolving speed control.Operator adjusts the revolving speed of automobile engine by hand throttle, when the revolution speed that revolution speed display is read connects When the rated speed Nb of nearly self priming pump, the position of the operation handle of hand throttle is locked, by hand throttle locator to protect The invariablenes turning speed for holding automobile engine meets the job requirement of self priming pump.
Therefore, the present invention is innovated on accelerator mode control, when running car, is stepped on using the traditional throttle of automobile Plate controls engine speed, when self-priming pump work, controls engine speed with hand throttle.Moreover, manual oil of the invention Door respectively works with gas pedal, does not interfere with each other.
4th, the present invention uses preceding power takeoff power taking, need not only reduce by gearbox and vehicle transmission shaft when power taking Intermediate transmission link, improves efficiency, and the quantity of transmission shaft is also reduced than rear power takeoff scheme, is reduced costs, and reduces event Hinder point, while significantly saving the installation space of pump, convenient for the interior water drainage facility and tool for carrying more multi-line etc..
5th, self priming pump is when pump is opened in operation of draining flooded fields, it is not necessary to bottom valve be arranged in suction line, opening need not be into pump chamber before pumping Water filling, direct pump activation after being inserted directly into suction line in water is not only easy to operate, high-efficient, also significantly reduces Failure rate, while pump truck can also rest in the safety zone far from ponding, it is not necessary to go deep into water.
Detailed description of the invention
Fig. 1 be the lift of water pump, flow, efficiency optimal match point schematic diagram.
Fig. 2 is automobile engine performance curve schematic diagram.
Fig. 3 is the structural schematic diagram of the prior art.
Fig. 4 is the structural schematic diagram that vehicle-mounted vehicle provided by the invention drives self-priming pump truck.
Fig. 5 is the control principle drawing that vehicle-mounted vehicle provided by the invention drives self-priming pump truck.
Description of symbols: 1- automobile;2- engine;Power takeoff before 3-;4- gearbox;5- pumps drive shaft;6- self priming pump; 7- vehicle transmission shaft;8- force aid clutch;9- fuel tank;10- oil pump;11- throttle mechanisms;12- adjusts motor;13- control unit (ECU);14- rotary encoder;15- position sensor;16- gas pedal;17- speed measurement treatment device;18- revolution speed display; 19- manually controls bracing wire;20- hand throttle;21- hand throttle locator;22- automobile back wheel group;23- automobile clutch;Hair Motivation 91;Gearbox 92;Power takeoff driving shaft 93;Rear power takeoff 94;Vehicle drives transmission shaft 95;Rear axle differential 96;Pump driving Transmission shaft 97;Self priming pump 98.
Specific embodiment
Hereinafter reference will be made to the drawings is described in detail by way of example and not limitation some specific embodiments of the present invention. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these Attached drawing is not necessarily to be depicted true to scale.
As shown in Figure 4, Figure 5, be structure that vehicle-mounted vehicle provided by the invention drives self-priming pump truck, the engine 2 of automobile 1 it is defeated Shaft connects preceding power takeoff 3, and the preceding power takeoff 3 has an input shaft and two output shafts, and one of output shaft is through automobile Then the gearbox 4 that clutch 23 connects automobile 1 connects vehicle transmission shaft 7, another output shaft drives through pump again through force aid clutch 8 Axis 5 connects and drives self priming pump 6.
When 1 normally travel of automobile, force aid clutch 8 is in discrete state, and self priming pump 6 does not work;When carrying out draining work When industry, after automobile clutch 23 separates, gearbox 4 hangs neutral gear, and vehicle transmission shaft 7 does not work with automobile back wheel group 22, and automobile is in Dead ship condition, force aid clutch 8 is in state of closing at this time, and automobile engine 2 drives self priming pump 6 by preceding power takeoff 3.
The shaft end that preceding power takeoff 3 of the invention connects the output shaft of self priming pump 6 is equipped with transmission gear, thus has speed change function Can, it is able to achieve the best match of engine 2 Yu self priming pump 6, specifically: the value range by the transmission ratio i of preceding power takeoff 3 is (Nf/Nb) (1 ± 5%) *, to guarantee that engine 2 is matched with maximum torque point with the rated speed of self priming pump 6.
To realize that engine 2 is matched with the rated speed of self priming pump 6, another output shaft of the present invention in preceding power takeoff 3 Upper setting rotary encoder 14, the tach signal that rotary encoder 14 is surveyed convey after speed measurement treatment device 17 is converted to electric signal To revolution speed display 18, the revolving speed of pump is directly observed at any time for operator.
Speed-regulating function of the invention is achieved in that hand throttle 20 controls gas pedal by manually controlling bracing wire 19 16 position, position sensor 15 is connected in gas pedal 16, and position sensor 15 issues telecommunications to control unit (ECU) 13 Number, control unit 13 will exchange section motor 12 and issue signal, the solar term door machine for adjusting motor 12 and automobile 1 after signal processing Structure 11 connects, and can control the aperture of the throttle mechanisms 11 by the adjusting motor 12, and then adjust the oil from automobile 1 Case 9 enters the oil mass and air quantity of engine 2 through oil pump 10, realizes the revolving speed control of engine.
The effect of hand throttle 20 in the present invention is identical as gas pedal 16, respectively works with gas pedal 16, mutually not Interference.Hand throttle 20 is equipped with hand throttle locator 21, can be locked at an arbitrary position by the operation handle of hand throttle. When automobile normal running, the operation handle of hand throttle 20 is locked in " closing " position, is manually controlled bracing wire 19 and is in relaxation State does not exert one's influence to the work of gas pedal 16.When needing self priming pump 6 to work, hand throttle locator 21 unclamps, hand Dynamic throttle 20 pulls gas pedal and position sensor 15 by manually controlling bracing wire 19, realizes speed regulation.Gas pedal at this time 16 follow and manually control the movement of bracing wire 19, but do not influence its movement.
When the present invention installs, the preceding power takeoff 3 is mounted between engine 2 and gearbox 4, together with engine 2 It is commonly mounted on automobile chassis 1 with gearbox 4.Before force aid clutch 8 is mounted in power takeoff 3, gas is equipped in clutch 8 Cylinder, for driving force aid clutch 8 to act.Gearbox 4 is connected by the automobile back wheel group 22 on vehicle transmission shaft 7 and automobile chassis 1 It connects.Preceding power takeoff 3 is connect by pumping drive shaft 5 with self priming pump 6, to drive self priming pump 6.
Speed measurement treatment device 17, revolution speed display 18 are placed in the driver's cabin of automobile 1, and revolution speed display 18 passes through data Line is connected with speed measurement treatment device 17, rotary encoder 14 of the speed measurement treatment device 17 by data line and before being mounted on power takeoff 3 It is connected.
Hand throttle 20 is also placed in the driver's cabin of automobile 1, and is equipped with hand throttle locator 21, and hand throttle 20 is logical It crosses and manually controls bracing wire 19 and be connected on position sensor 15, position sensor 15 is connected to control unit 13 by data line, It is connected again by data line and adjusts motor 12, fuel tank 9, throttle mechanisms 11, adjusts motor 12, engine 2, preceding takes oil pump 10 Power device 3, gearbox 4 and position sensor 15 are installed on automobile chassis 1.
The present invention has the advantages that
Power takeoff 3 preceding first has speed changing function, and the value range of transmission ratio i is (Nf/Nb) * (1 ± 5%), thus Guaranteeing that engine 2 is matched with maximum torque point Nf with the rated speed Nb of self priming pump 6, input speed is the rated speed of pump, into And guarantee the technical performances such as flow, lift, the efficiency of pump.
Secondly, measuring the revolving speed of self priming pump 6 with rotary encoder 14, tach signal conveys after the conversion of speed measurement treatment device 17 It to revolution speed display 18, is observed at any time for operator, thus the operation work feelings of intuitive and quantization understanding self priming pump 6 Condition therefrom reflects the load condition of self priming pump 6.
Third controls the position of gas pedal 16 by manually controlling bracing wire 19 with hand throttle 20, then passes through position Sensor 15 issues electric signal to control unit 13, and control unit 13 will exchange section motor 12 and issue signal, leads to after signal processing The aperture that motor 12 adjusts throttle mechanisms 11 is overregulated, and then adjusts the oil for entering automobile engine 2 through oil pump 10 from fuel tank 9 Amount and air quantity realize the revolving speed control of engine 2.Operator adjusts the revolving speed of automobile engine 2 by hand throttle 20, works as pump Speed display 18 read revolution speed close to self priming pump 6 rated speed Nb when, hand is locked by hand throttle locator 21 The position of the operation handle of dynamic throttle 20 meets the job requirement of self priming pump 6 to keep the invariablenes turning speed of automobile engine 2.
Therefore, the present invention is innovated on accelerator mode control, when running car, is stepped on using the traditional throttle of automobile Plate 16 controls 2 revolving speed of engine, when self priming pump 6 works, controls 2 revolving speed of engine with hand throttle 20.Moreover, of the invention Hand throttle 20 and gas pedal 16 respectively work, and do not interfere with each other.
4th, the present invention uses preceding 3 power taking of power takeoff, need not only subtract by gearbox 4 and vehicle transmission shaft 7 when power taking Intermediate transmission link is lacked, has improved efficiency, the quantity of transmission shaft is also reduced than rear power takeoff scheme, is reduced costs, has reduced Fault point, while the installation space of pump is significantly saved, convenient for the interior water drainage facility and tool for carrying more multi-line etc..
5th, self priming pump is when pump is opened in operation of draining flooded fields, it is not necessary to bottom valve be arranged in suction line, opening need not be into pump chamber before pumping Water filling, direct pump activation after being inserted directly into suction line in water is not only easy to operate, high-efficient, also significantly reduces Failure rate, while pump truck can also rest in the safety zone far from ponding, it is not necessary to go deep into water.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand, Without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or equivalent, but will all fall Enter within protection scope of the present invention.

Claims (10)

1. the structure that a kind of vehicle-mounted vehicle drives self-priming pump truck, which is characterized in that the output shaft of the engine of automobile meets preceding power takeoff, institute Power takeoff has an input shaft and two output shafts, speed change of one of output shaft through automobile clutch connection automobile before stating Then case connects vehicle transmission shaft, another output shaft reconnects through force aid clutch and drives self priming pump;
Wherein, the value range of the transmission ratio i between two output shafts of the preceding power takeoff is (Nf/Nb) * (1 ± 5%), institute The maximum torque point that Nf is engine is stated, the Nb is the rated speed of self priming pump.
2. the structure that vehicle-mounted vehicle according to claim 1 drives self-priming pump truck, which is characterized in that this in preceding power takeoff is another Rotary encoder is set on output shaft, and rotary encoder connects revolution speed display through speed measurement treatment device.
3. the structure that vehicle-mounted vehicle according to claim 2 drives self-priming pump truck, which is characterized in that the revolution speed display is set It sets in the driver's cabin of automobile.
4. the structure that vehicle-mounted vehicle according to claim 1 drives self-priming pump truck, which is characterized in that be additionally provided with hand throttle, institute The position of gas pedal can be controlled by manually controlling bracing wire by stating hand throttle, connect position sensor in gas pedal, Position sensor connects control unit, and control unit connection adjusts motor, the throttle mechanisms company for adjusting motor and automobile It connects, the aperture of the throttle mechanisms can be controlled by the adjusting motor.
5. the structure that vehicle-mounted vehicle according to claim 2 drives self-priming pump truck, which is characterized in that be additionally provided with hand throttle, institute The position of gas pedal can be controlled by manually controlling bracing wire by stating hand throttle, connect position sensor in gas pedal, Position sensor connects control unit, and control unit connection adjusts motor, the throttle mechanisms company for adjusting motor and automobile It connects, the aperture of the throttle mechanisms can be controlled by the adjusting motor.
6. the structure that vehicle-mounted vehicle according to claim 4 or 5 drives self-priming pump truck, which is characterized in that the hand throttle is set There is hand throttle locator, it can be locked at an arbitrary position by hand throttle.
7. the structure that vehicle-mounted vehicle according to claim 6 drives self-priming pump truck, which is characterized in that the hand throttle locks When closed position, manually controls bracing wire and be in relaxed state.
8. the structure that vehicle-mounted vehicle according to claim 4 or 5 drives self-priming pump truck, which is characterized in that the hand throttle is set It sets in the driver's cabin of automobile.
9. fast method is matched in the speed regulation that a kind of vehicle-mounted vehicle drives self-priming pump truck, which is characterized in that using as claimed in claim 5 vehicle-mounted Vehicle drives the structure of self-priming pump truck, and the speed regulation is with fast method:
The revolving speed of self priming pump is measured with rotary encoder, tach signal is transported to revolution speed after the conversion of speed measurement treatment device and shows Device, so that operator observes at any time;
The position for controlling gas pedal by manually controlling bracing wire with hand throttle, then by position sensor to control unit Electric signal is issued, control unit will exchange section motor and issue signal after signal processing, adjust throttle mechanisms by adjusting motor Aperture, and then adjust and enter the oil mass and air quantity of automobile engine through oil pump from fuel tank, realize the revolving speed control of engine.
10. fast method is matched in the speed regulation that vehicle-mounted vehicle according to claim 9 drives self-priming pump truck, which is characterized in that work as revolution speed Display read revolution speed close to self priming pump rated speed Nb when, the position of hand throttle is locked.
CN201910037463.8A 2019-01-15 2019-01-15 Vehicle-mounted vehicle drives self-priming pump truck and its speed regulation with fast method Pending CN109854366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910037463.8A CN109854366A (en) 2019-01-15 2019-01-15 Vehicle-mounted vehicle drives self-priming pump truck and its speed regulation with fast method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910037463.8A CN109854366A (en) 2019-01-15 2019-01-15 Vehicle-mounted vehicle drives self-priming pump truck and its speed regulation with fast method

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CN109854366A true CN109854366A (en) 2019-06-07

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267685A (en) * 1992-06-11 1993-12-15 Deere & Co Operator interface for controlling a drive engine and a steplessly adjustable gearbox.
CN1281799A (en) * 1999-05-28 2001-01-31 田革 Energy-storing power-taking driving device for automobile
CN209510462U (en) * 2019-01-15 2019-10-18 哈尔滨庆功林泵业股份有限公司 Vehicle-mounted vehicle drives self-priming pump truck

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267685A (en) * 1992-06-11 1993-12-15 Deere & Co Operator interface for controlling a drive engine and a steplessly adjustable gearbox.
CN1281799A (en) * 1999-05-28 2001-01-31 田革 Energy-storing power-taking driving device for automobile
CN209510462U (en) * 2019-01-15 2019-10-18 哈尔滨庆功林泵业股份有限公司 Vehicle-mounted vehicle drives self-priming pump truck

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Application publication date: 20190607