CN214647540U

CN214647540U - Pump truck

Info

Publication number: CN214647540U
Application number: CN202120794578.4U
Authority: CN
Inventors: 王营光; 周强; 汪现宁; 刘龙; 曾维铨
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-09
Anticipated expiration: 2031-04-16

Abstract

The utility model provides a pump truck, include: a traveling system; a pumping system; an engine; the generator is connected with the engine and used for converting kinetic energy of the engine into electric energy and/or transmitting the kinetic energy of the engine under the driving of the engine; the clutch is connected with the generator and is used for transmitting the kinetic energy of the engine when the clutch is closed; the power distribution device is electrically connected with the generator and is used for receiving and distributing the electric energy generated by the generator; the motor is connected with the clutch and the power distribution device and is used for rotating under the driving of the kinetic energy and/or the electric energy; and the power distribution device is connected with the motor and is used for switching different power distribution modes to drive the walking system or the pumping system. The power distribution system can provide various power distribution modes, solves the power problems of the walking system and the pumping system, and is low in energy consumption.

Description

Pump truck

Technical Field

The utility model relates to an engineering machine tool field especially relates to a pump truck.

Background

At present, a diesel engine is used as a power source in a power part of a traditional pump truck, power provided by the diesel engine is transmitted to a transfer power case through a transmission device, the transfer power case distributes input power, one path of output can be used as power for driving a vehicle, and the other path of output can drive a hydraulic system and is used for power of the vehicle in special operation. The conventional power source is adopted, and kinetic energy is provided by the engine in the vehicle running process or the operation process, so that the energy consumption is high.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a pump truck that energy consumption is lower.

In order to achieve the above object, a pump truck includes:

a traveling system;

a pumping system;

an engine;

the generator is connected with the engine and used for converting kinetic energy of the engine into electric energy and/or transmitting the kinetic energy of the engine under the driving of the engine;

the clutch is connected with the generator and is used for transmitting the kinetic energy of the engine when the clutch is closed;

the power distribution device is electrically connected with the generator and is used for receiving and distributing the electric energy generated by the generator;

the motor is connected with the clutch and the power distribution device and is used for rotating under the driving of kinetic energy and/or electric energy;

and the power distribution device is connected with the motor and is used for switching different power distribution modes to drive the walking system or the pumping system.

In an embodiment of the present invention, the power distribution mode includes at least one of:

distributing power received from the motor to the travel system;

distributing power received from the engine to the travel system;

distributing power received from the motor and the engine to the travel system;

distributing power received from the motor to the pumping system;

distributing power received from the engine to the pumping system;

power received from the electric machine and the engine is distributed to the pumping system.

In the embodiment of the utility model, the power distribution device comprises a gear box, a transmission shaft and a transfer case which are connected in sequence;

the gearbox is connected with the motor and used for adjusting the transmission rate of the power;

the transfer case is connected with the walking system and the pumping system and used for switching different power distribution modes to drive the walking system or the pumping system.

The embodiment of the utility model provides an in, the pump truck still includes the generator controller, and the generator controller is connected with the generator for whether the control generator generates electricity.

The embodiment of the utility model provides an in, generator controller still controls the generated power of generator when controlling the generator electricity generation.

The embodiment of the utility model provides an in, pumping system still includes machine controller, and machine controller is connected with the motor for the operation of control motor.

The embodiment of the utility model provides an in, motor controller still controls the power of motor when the control motor operation.

The embodiment of the utility model provides an in, the pump truck still includes battery pack, and battery pack is connected with distribution device, and battery pack is used for the accumulate when distribution device provides the electric energy, supplies power when distribution device can't provide the electric energy.

The embodiment of the utility model provides an in, the pump truck is still including the interface that charges, and the interface that charges is connected with distribution device for insert external power source.

The embodiment of the utility model provides an in, the interface that charges includes the interface that charges of alternating current and direct current.

Through the technical scheme, the embodiment of the utility model provides a can provide multiple power distribution mode, solve traveling system and pumping system's power problem, the energy consumption is lower.

Other features and advantages of embodiments of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention, but do not constitute a limitation of the embodiments of the invention. In the drawings:

fig. 1 is a schematic structural view of a pump truck according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pump truck according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another pump truck according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another pump truck provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another pump truck according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another pump truck according to an embodiment of the present invention.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is only intended to illustrate and explain embodiments of the present invention, and is not intended to limit embodiments of the present invention.

An embodiment of the utility model provides a pump truck, as shown in fig. 1, this pump truck includes:

a traveling system 101;

a pumping system 102;

an engine 103;

the generator 104 is connected with the engine 103 and used for converting kinetic energy of the engine 103 into electric energy and/or transmitting the kinetic energy of the engine 103 under the driving of the engine 103;

a clutch 105 connected to the generator 104 for transmitting kinetic energy of the engine 103 when closed;

a power distribution device 106 electrically connected to the generator 104 for receiving and distributing the electrical energy generated by the generator 104;

a motor 107 connected to the clutch 105 and the power distribution device 106 for rotation driven by kinetic and/or electrical energy;

and the power distribution device 108 is connected with the motor 107 and is used for switching different power distribution modes to drive the walking system 101 or the pumping system 102.

Specifically, the pumping system 102 includes a main oil pump, a boom pump, a blender pump, and/or an auxiliary pump.

Further, when the generator 104 transmits the kinetic energy of the engine 103, the transmission is performed by the transmission 103 driving a transmission shaft in the generator 104.

Here, the power distribution module 106 can perform high voltage distribution, charge and discharge control and motor pre-charge management, and the power distribution module 106 can be provided with a DC-DC power supply which can convert high voltage direct current into low voltage direct current to charge the chassis battery and provide power for the motor.

In practical application, under the condition that the pump truck is in a walking state, the walking system 101 runs, the pumping 102 stops running, and the pump truck runs and cannot execute related pumping work; in the case where the pump truck is in the pumping state, the traveling system 101 stops operating, the pumping system 102 operates, the pump truck stops traveling, and the relevant pumping work is performed.

In an embodiment, the power distribution mode includes at least one of:

distributing power received from the motor to the travel system;

distributing power received from the engine to the travel system;

distributing power received from the motor and the engine to the travel system;

distributing power received from the motor to the pumping system;

distributing power received from the engine to the pumping system;

Specifically, when the pump truck is in a running state, the pump truck can receive kinetic energy from the motor to drive the running system to run, or receive kinetic energy from the engine to drive the running system to run, or receive kinetic energy from the motor and the engine to drive the running system to run.

When the pump truck is in a pumping state, the pump truck can receive kinetic energy from the motor to drive the pumping system to operate, or receive kinetic energy from the engine to drive the pumping system to operate, or receive kinetic energy from the motor and the engine to drive the pumping system to operate.

In one embodiment, the power distribution device comprises a gearbox, a transmission shaft and a transfer case which are connected in sequence;

In particular, the gearbox may achieve different walking and pumping rates by adjusting the speed ratio.

The transfer case may be used to effect switching of different power distribution modes.

In one embodiment, the pump truck further comprises a generator controller, and the generator controller is connected with the generator and used for controlling whether the generator generates electricity or not. The generator controller also controls the generated power of the generator when controlling the generator to generate power.

Specifically, the generator controller may control the generator to be in a non-generating state, or control the generator to generate power. In addition, the power generation controller can also control the power generation power of the generator according to the working condition of the pump truck.

Further, the generator controller controls the power generation amount of the generator through electric logic, and converts alternating current generated by the generator into direct current which can be used by a system through an internal rectifying device so as to provide power for the motor.

In practical application, when the generator controller controls the generator to generate electricity, because the working interval of the engine can have the most oil-saving interval, the engine can be controlled to work in the most oil-saving working interval to generate electric energy, and the generated electric energy can supply power for the pumping system and can also store electric energy except for the electric energy for supplying power for the pumping system.

In one embodiment, the pumping system further comprises a motor controller connected to the motor for controlling operation of the motor.

Further, the motor controller may also control the power of the motor.

Specifically, the motor controller receives direct current output by the power distribution module, converts the direct current into alternating current through an internal inverter device to provide power for the motor, and controls the output rotating speed and torque of the motor. The motor is connected with the transfer case and transmits kinetic energy to the transfer case.

In one embodiment, the pump truck further comprises a battery assembly, the battery assembly is connected with the power distribution device, and the battery assembly is used for storing electricity when the power distribution device provides electric energy and supplying electricity when the power distribution device cannot provide electric energy.

In an embodiment, the pump truck further comprises a charging interface, and the charging interface is connected with the power distribution device and used for being connected with an external power supply.

Specifically, the charging interface comprises an alternating current charging interface and a direct current charging interface

When the charging interface is connected with an external power supply, the battery assembly stores electric energy which is sent by the generator and is charged by the charging interface, a power supply is provided for the motor, and the battery assembly is provided with a power supply management system for managing progress of battery charging and discharging, temperature and the like.

When the charging interface is an alternating current charging interface, the charging interface is connected with an external alternating current charger and is converted into direct current through a rectifier in the power distribution device to provide power for the system,

when the charging interface is a direct-current charging interface, the direct-current charging interface is connected with an external direct-current charger, and a power supply is directly provided for the system through a power distribution device.

Through the technical scheme, the pump truck comprises a walking system; a pumping system; an engine; the generator is connected with the engine and used for converting kinetic energy of the engine into electric energy and/or transmitting the kinetic energy of the engine under the driving of the engine; the clutch is connected with the generator and is used for transmitting the kinetic energy of the engine when the clutch is closed; the power distribution device is electrically connected with the generator and is used for receiving and distributing the electric energy generated by the generator; the motor is connected with the clutch and the power distribution device and is used for rotating under the driving of kinetic energy and/or electric energy; and the power distribution device is connected with the motor and is used for switching different power distribution modes to drive the walking system or the pumping system. The embodiment of the utility model provides a can provide multiple power distribution mode, solve traveling system and pumping system's power problem, the energy consumption is lower.

The present invention will be described in further detail with reference to the following application examples.

Referring to fig. 2, fig. 2 shows a pump truck configuration. This pump truck includes: the system comprises an engine 10, a generator 11, a clutch 12, a motor 13, a gearbox 14, a transmission shaft 15, a transfer case 16, a generator controller 17, a power distribution device 18, a motor controller 19, a traveling system 20, an auxiliary pump 21, a mixing pump 22, an arm support pump 23, a main oil pump 24, a battery assembly 25, an alternating current charging interface 26 and a direct current charging interface 27.

The engine 10 is connected with the generator 11 and the clutch 12 and provides power for the generator 11 and the transfer case 16; the output end of the generator 11 is connected with the power distribution device 18 to provide power for the battery assembly 25 and the motor 13; the motor 13 is connected with the clutch 12 and the gearbox 14, provides power for the vehicle traveling system 20, and provides power for at least one of the actions of the pump trucks such as a main oil pump 24, an arm frame pump 23, a mixing pump 22, an auxiliary pump 21 and the like; the battery assembly 25 is connected with the power distribution device 18, supplies power to the motor 13 and stores electric energy generated by the generator 11; the transfer case 16 is connected with the transmission shaft 15, the traveling system 20, the auxiliary pump 21, the mixing pump 22, the arm support pump 23 and the main oil pump 24, and can control and drive different targets through switching.

In the embodiment, the engine 10 directly drives the generator 11 to generate power, and provides power for the battery assembly 25 and the motor 13, so that the engine 10 runs at the most efficient and energy-saving point, and the engine 10 can be connected with the rear gearbox 14 through the clutch 12 under a special working condition to directly provide power for vehicle running and an oil pump, so that the road adaptability and the pumping capacity of the pump truck are improved; after the engine 10 stops, the battery assembly 25 which finishes charging can continue to provide power for the motor 13 to work, and finally the purposes of saving energy, reducing emission, improving performance parameters and reducing pumping cost of the pump truck are achieved.

Specifically, the engine 10 is directly connected with the clutch 13 through a connecting shaft in the generator 11, and the transfer case 16 is switched to a transmission shaft to be connected with the running system 20. The clutch 12 connects the engine 10 and the gearbox 14 through the mechanical structure inside the engine 10 and the motor 13, so that the vehicle can have a plurality of driving modes when running. The method specifically comprises the following steps: in the mode 1, the clutch 12 is disconnected, the engine 10 stops or only drives the generator 11 to generate electricity, and the motor 13 drives the vehicle to run through the gearbox 14 and the transmission shaft 15; in the mode 2, the clutch 12 is closed, the motor 13 does not work, and the engine 10 is directly connected with the gearbox 14 to drive the vehicle to walk; in the mode 3, the clutch 12 is closed, the motor 13 works, and the engine 10 and the motor 13 simultaneously output power to the gearbox 14 to drive the vehicle to walk. The transmission 14 can adjust the speed ratio to achieve different walking needs and vehicle speeds.

When the vehicle pumps, the engine 10 drives the generator 11 to rotate to generate electricity, at the moment, the engine 10 can work in the most economical and oil-saving range, the output power of the engine 10 meets the requirement and the oil consumption is the lowest, and the transfer case 16 is switched to the transmission shaft 15 to be connected with the oil pump and provide power for at least one of the transmission shaft and the oil pump. The generator controller 17 controls the power generation amount of the generator 11 through electrical logic, and converts the alternating current generated by the generator 11 into direct current which can be used by the system through an internal rectifying device, so as to charge the battery assembly 25 and provide power for the motor 13. The distribution device 18 is connected with the battery assembly 25, the motor controller 19 and the generator controller 17, and is used for distributing high-voltage electricity, controlling charging and discharging and managing motor pre-charging, a DCDC power supply of the distribution device converts high-voltage direct current into low-voltage direct current to charge a chassis storage battery, an alternating current-direct current conversion device of the distribution device converts alternating current coming from a charging port into direct current through the conversion device when the alternating current charging port 26 is used for charging, the battery assembly 25 is charged, and power is provided for the motor 13. The motor controller 19 receives the dc power from the power distribution unit 18, converts the dc power into ac power through an internal inverter, and supplies power to the motor 13, and controls the output speed and torque of the motor 13. The motor 13 is connected with each oil pump through a mechanical mechanism, at least one of the oil pumps is powered, and the oil pump drives the pump truck to act. The battery assembly 25 stores the electric energy generated by the generator 11 and charged into the charging port, provides power for the motor 13, and is provided with a power management system for managing the progress of charging and discharging the battery, temperature and the like. The ac charging interface 26 is connected to an external ac charger, and supplies power to the system by converting the dc power from the rectifier in the power distribution unit 18, and the dc charging interface 27 is connected to an external dc charger, and directly supplies power to the system by the power distribution unit 18. The clutch 12 connects the engine 10 and the gearbox 14 through the mechanical structure inside the engine 10 and the motor 13, so that the oil pump can have multiple driving modes. The method specifically comprises the following steps: in the mode 1, the clutch 12 is disconnected, the engine 10 stops or only drives the generator 11 to generate electricity, and the motor 13 drives an oil pump through the gearbox 14 and the transmission shaft 15; in the mode 2, the clutch 12 is closed, the motor 13 does not work, and the engine 10 is directly connected with the gearbox 14 to drive the oil pump; in the mode 3, the clutch 12 is closed, the motor 13 works, and the engine 10 and the motor 13 simultaneously output power to the gearbox 14 to drive the oil pump.

In addition, on the basis of above-mentioned pump truck structure, this embodiment still provides several kinds of other realizable pump truck structures, can realize equally the beneficial effect of the embodiment of the utility model.

Referring to fig. 3, fig. 3 shows another pump truck configuration. This pump truck includes: the system comprises an engine 10, a generator 11, a clutch 12, a motor 13, a gearbox 14, a transmission shaft 15, a transfer case 16, a generator controller 17, a power distribution device 18, a motor controller 19, a traveling system 20, an auxiliary pump 21, a mixing pump 22, a boom pump 23 and a main oil pump 24.

The engine 10 is connected with the generator 11 and the clutch 12 and provides power for the generator 11 and the transfer case 16; the output end of the generator 11 is connected with a power distribution device 18 to provide power for the motor 13; the motor 13 is connected with the clutch 12 and the gearbox 14, provides power for the vehicle traveling system 20, and provides power for at least one of the actions of the pump trucks such as a main oil pump 24, an arm frame pump 23, a mixing pump 22, an auxiliary pump 21 and the like; the transfer case 16 is connected with the transmission shaft 15, the traveling system 20, the auxiliary pump 21, the mixing pump 22, the arm support pump 23 and the main oil pump 24, and can control and drive different targets through switching.

In this embodiment, the pump truck does not include the battery pack 25, the ac charging interface 26, and the dc charging interface 27. The engine 10 drives the generator 11 to generate electricity, and only provides power for the motor 13, so that the engine is operated.

Referring additionally to fig. 4, fig. 4 shows another pump truck configuration. This pump truck includes: the system comprises an engine 10, a generator 11, a clutch 12, a motor 13, a gearbox 14, a transmission shaft 15, a transfer case 16, a generator controller 17, a power distribution device 18, a motor controller 19, a traveling system 20, an auxiliary pump 21, a mixing pump 22, an arm support pump 23, a main oil pump 24, a battery assembly 25 and a direct-current charging interface 27.

In the present embodiment, the pump truck includes a battery assembly 25 and a dc charging interface 27. The engine 10 drives the generator 11 to generate electricity, and provides power for the motor 13 and the battery pack 25, so that the engine can run. Meanwhile, the dc charging interface 27 can also be connected to an external dc power supply to supply power to the motor 13 and the battery pack 25. The pump truck can be ensured to operate for a long time.

Referring additionally to fig. 5, fig. 5 illustrates another pump truck configuration. This pump truck includes: the system comprises an engine 10, a generator 11, a clutch 12, a motor 13, a gearbox 14, a transmission shaft 15, a transfer case 16, a generator controller 17, a power distribution device 18, a motor controller 19, a traveling system 20, an auxiliary pump 21, a mixing pump 22, a boom pump 23, a main oil pump 24, a battery assembly 25 and an alternating current charging interface 26.

In the present embodiment, the pump truck includes a battery assembly 25 and an ac charging interface 26. The engine 10 drives the generator 11 to generate electricity, and provides power for the motor 13 and the battery pack 25, so that the engine can run. Meanwhile, the ac charging interface 26 can also be connected to an external dc power supply to supply power to the motor 13 and the battery assembly 25. The pump truck can be ensured to operate for a long time.

Referring additionally to fig. 6, fig. 6 shows another pump truck configuration. This pump truck includes: the system comprises an engine 10, a generator 11, a clutch 12, a motor 13, a gearbox 14, a transmission shaft 15, a transfer case 16, a generator controller 17, a power distribution device 18, a motor controller 19, a traveling system 20, an auxiliary pump 21, a mixing pump 22, a boom pump 23, a main oil pump 24 and a battery assembly 25.

In this embodiment, the pump truck contains only the battery assembly 25. The engine 10 drives the generator 11 to generate electricity, and provides power for the motor 13 and the battery pack 25, so that the engine can run.

Compared with the traditional fuel pump truck, the pump truck provided by the embodiment of the application has the advantages that the engine always works in the most economical and oil-saving interval during pumping, so that the energy is saved, the emission is reduced, and the pumping cost is reduced. In addition, the pump truck that embodiment of this application provided compares pure electric pump truck, because its system has engine and generator, can provide the power for the system continuously, operating time is not restricted by battery power. Compared with a parallel hybrid power pump truck, the pump truck provided by the embodiment of the application has the advantages of simple structure and no power coupling device, and is a hybrid range extending mode of the existing main flow. Compared with other schemes of independently matching the range-extended generator, the system in the embodiment of the application has no independent range-extended engine, the vehicle cost can be reduced, the vehicle space is saved, the chassis running and pumping can realize independent driving of the motor or the engine or the common driving of the motor and the engine, the output power and the torque are increased, and the application range and the passing performance of the vehicle are improved.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A pump truck, comprising:

a traveling system;

a pumping system;

an engine;

the motor is connected with the clutch and the power distribution device and is used for rotating under the driving of the kinetic energy and/or the electric energy;

2. The pump truck of claim 1, characterized in that the power split mode comprises at least one of:

distributing power received from the motor to the travel system;

distributing power received from the engine to the locomotion system;

distributing power received from the motor and the engine to the travel system;

distributing power received from the motor to the pumping system;

distributing power received from the engine to the pumping system;

distributing power received from the electric machine and the engine to the pumping system.

3. The pump truck according to claim 1, characterized in that said power distribution means comprises a gearbox, a transmission shaft and a transfer case connected in series;

4. The pump truck according to claim 1, further comprising a generator controller connected to the generator for controlling whether the generator generates electricity.

5. The pump truck according to claim 4, wherein the generator controller further controls the generated power of the generator when controlling the generator to generate power.

6. The pump truck of claim 1, wherein the pumping system further comprises a motor controller coupled to the motor for controlling operation of the motor.

7. The pump truck according to claim 6, wherein the motor controller further controls power of the motor when controlling operation of the motor.

8. The pump truck of claim 1, further comprising a battery assembly coupled to the power distribution device, the battery assembly configured to store power when the power distribution device is providing power and to supply power when the power distribution device is not providing power.

9. The pump truck according to claim 1, further comprising a charging interface connected to the power distribution device for accessing an external power source.

10. The pump truck of claim 9, wherein the charging interface comprises an ac charging interface and a dc charging interface.