WO2020078040A1

WO2020078040A1 - Pump truck

Info

Publication number: WO2020078040A1
Application number: PCT/CN2019/093923
Authority: WO
Inventors: 储成火; 张铁桥; 双纪文
Original assignee: 三一汽车制造有限公司
Priority date: 2018-10-17
Filing date: 2019-06-28
Publication date: 2020-04-23
Also published as: CN109057346A

Abstract

Disclosed is a pump truck, comprising a battery assembly (12), an engine (14), and a power supply interface. Wherein the battery assembly (12) is connected to a motor module for driving the motor module; the engine (14) is connected to a walking driving axle (18); the power supply interface is connected to the battery assembly (12) and/or the motor module, in order to connect an external power source; and the motor module is used for supplying power to at least one of a main oil pump (16), an arm bracket pump (28), a water washing pump, turntable rotation, a cooling fan and a stirring mechanism of the pump truck. By the engine (14), the battery assembly (12) and the power supply interface, the pump truck realizes the effect that the pump truck is driven to operate by hybrid power.

Description

Pump truck

This application claims the priority of the Chinese patent application filed on October 17, 2018 with the Chinese Patent Office, application number 201811210679.1, and the invention titled "pump truck", the entire contents of which are incorporated by reference in this application.

Technical field

The present application relates to the technical field of construction machinery, specifically, to a pump truck.

Background technique

At present, in the related art, one driving method of the concrete delivery pump truck is electric drive. For example, the patent publication CN201410818251 discloses a pure electric drive pump truck. The pump truck needs to rely on walking and working. Battery-powered, due to the high power of the pump truck, the large amount of electricity used, and the slow charging speed, which may affect the construction and driving; one driving mode is the engine drive. For the single engine drive mode, the engine needs to work all the time, waiting for the pump truck , The stirring device needs to work, at this time, the engine also needs to work, and the energy consumption is high. In summary, there are certain drawbacks in the drive system of the concrete delivery pump truck in the related art. The power consumption of the electric drive is relatively large and the working efficiency is low. When the engine fails, the engine cannot continue to work, which affects the working efficiency.

Summary of the invention

This application aims to solve at least one of the technical problems existing in the prior art or related technologies.

For this reason, this application proposes a pump truck.

In view of this, the present application provides a pump truck, including: a battery assembly, which is connected to the motor module, and the battery assembly is used to supply power to the motor module; an engine, which is connected to a driving axle that drives the pump truck; a power supply interface, Connected to the battery assembly and / or motor module for connecting external power supply; wherein, the motor module is used for at least the main oil pump of the pump truck, the boom pump, the water washing pump, the turntable rotation, the cooling fan and the stirring mechanism in the hopper One of them provides power.

This application provides a pump truck including a battery assembly, an engine, and a power supply interface, wherein the battery assembly is connected to the motor module, and the motor module is powered by the battery assembly, so that the motor module completes the corresponding functions, such as the main At least one of the oil pump, boom pump, water washing pump, turntable rotation, cooling fan, and stirring mechanism in the hopper provides power; connect the engine to the driving axle that drives the pump truck, and drive the driving truck of the pump truck through the engine The bridge works; the power supply interface is connected to the battery assembly, directly connected to the external power supply through the power supply interface, and the battery assembly is charged through the external power supply to ensure the power supply of the battery assembly; the power supply interface can also be directly connected to the motor module , Powered by an external power supply to drive the motor module to run. The pump truck provided by this application realizes the operation of the hybrid drive pump truck through the engine, battery assembly and power supply interface. After the engine stops working, the charged battery assembly can continue to drive the motor module to complete the corresponding work to achieve the effect of energy saving, or There is a power supply interface directly connected to an external power supply to achieve direct drive, and the motor module completes the corresponding work through electric drive, which improves the working efficiency of the pump truck, and ultimately achieves the purposes of reducing the energy consumption of the pump truck and improving the performance parameters.

In addition, the pump truck in the above technical solution provided by the present application may also have the following additional technical features:

In the above technical solution, preferably, it further includes: a gearbox, the input end of the gearbox is connected to the output end of the engine; a drive shaft, one end of the drive shaft is connected to the output end of the gearbox; transfer case, drive shaft The other end of is connected to the first input end of the transfer case, and the output end of the transfer case is connected to the drive axle.

In this technical solution, the output end of the gearbox and the input end of the transfer case are connected through the transmission shaft to ensure the transmission of power. The output of the transfer case is connected to the driving axle. Through the setting of the transfer case, the power can be distributed according to the actual working conditions.

In any of the above technical solutions, preferably, it further includes: a generator, and the input end of the generator is at least one of the power take-off end of the engine, the power take-off end of the gearbox, and the second output end in the transfer case Connection, the output end of the generator is connected with the battery assembly.

In this technical solution, the generator is connected to one of the engine, gearbox and transfer case to provide power to generate electricity, and the output of the generator is connected to the battery assembly, so that the current generated by the generator is inverted It can charge the battery assembly, and can also directly drive the motor module to achieve the corresponding function of the motor module. The engine drives the generator to generate electricity, which can supply power to the battery module to achieve hybrid drive. After the engine stops working, the charged battery assembly can continue to drive the motor module to complete the corresponding work, achieving energy-saving effects, and the motor module is powered by electricity The driver completes the corresponding work, which improves the working efficiency of the pump truck, and finally achieves the purposes of reducing the energy consumption of the pump truck and improving the performance parameters.

In any of the above technical solutions, preferably, it further includes: a boom pump, which is used to drive the unfolding and folding of each boom of the pump truck, the boom pump is connected to the transfer box, or the boom pump is connected to The drive motor is connected, and the battery assembly is also used to power the drive motor.

In this technical solution, on the one hand, the boom pump is connected to the engine through the transfer box and is driven by the engine. When the pump truck transports materials to a high place or a long distance, the transfer box matches the corresponding power of the boom pump, and then The unfolding and folding of the booms driving the pump trucks ensure the transportation of materials. On the one hand, the boom pump is driven by a motor, and the motor is connected to the battery assembly or an external power source through a power supply interface, and the boom pump motor is driven by the power provided by the generator, so that the boom pump motor drives the boom pump to complete the corresponding work. In other words, the boom pump is driven by electricity, so as to ensure accurate control of the boom pump and improve its working efficiency.

In any of the above technical solutions, preferably, it further includes: a motor, which is connected to the power supply interface; and a main oil pump, which is connected to the motor or the transfer box.

In this technical solution, on the one hand, the main oil pump is driven by a motor to ensure the running stability; on the one hand, the main oil pump can also be connected to the transfer case, driven by the engine, and distribute power according to the actual working conditions through the transfer case. For example, when the pump truck is in a running state, more power is distributed to the drive system, and when the pump truck is in a working state, more power is distributed to the generator and the main oil pump. Among them, the motor is directly connected to an external power supply or provides power through other power supply interfaces.

In any of the above technical solutions, preferably, it further includes: a hydraulic pump connected to the engine; a motor, the hydraulic oil input end of the motor is connected to the hydraulic pump, and the power output end of the motor is connected to the generator.

In this technical solution, the pump truck further includes a mutually matched hydraulic pump and a motor, wherein the input end of the motor is connected to the hydraulic pump, and the output end is connected to the generator, that is, the whole of the hydraulic pump and the motor cooperate with the generator, The engine drives the hydraulic pump, the hydraulic pump drives the motor, and the motor drives the generator to generate electricity to ensure the effective work of the pump truck.

In the above technical solution, preferably, it further includes: an inverter and a rectifier; the battery assembly includes a battery pack; wherein, the generator is connected to the battery pack via the rectifier, and the battery pack and the motor module are connected via the inverter.

In this technical solution, it also includes: an inverter and a rectifier; the battery assembly includes a battery pack, wherein the battery pack and the generator are connected through a rectifier, so that the electrical energy provided by the generator is converted from alternating current to direct current after the rectifier is stored in Inside the battery pack; and the battery pack and the motor module are connected by an inverter, so that the electrical energy stored in the battery pack is converted into DC power after the inverter is converted and can be used by the motor module, so as to ensure that the motor module completes the corresponding work.

In any of the above technical solutions, preferably, the motor module includes: a water washing motor, a rotary motor, an air-cooled motor, and an agitating motor; the water washing motor is used to drive a water washing pump, and the rotary motor drives the turntable of the pump truck through a rotary speed reducer The rotary, air-cooled motor is used to drive the cooling fan, and the stirring motor drives the stirring mechanism in the hopper of the pump truck to rotate through the stirring reducer.

In this technical solution, the motor module specifically includes a washing motor, a rotary motor, an air-cooled motor, and a stirring motor. Through the function of the above-mentioned motors, the functions of washing, rotating, air cooling, and stirring of materials by the pump truck are realized to ensure the pump The car is working properly. Specifically, the washing motor is used to drive the washing pump, the rotary motor drives the turntable of the pump truck through the rotary reducer, the air-cooled motor is used to drive the cooling fan, and the stirring motor drives the stirring mechanism in the pump hopper to rotate through the stirring reducer.

In any of the above technical solutions, preferably, the motor controller is connected to the battery assembly, the generator, and the motor module, respectively.

In this technical solution, the motor controller has a built-in inverter module and rectifier module to realize the inverter or rectification of the current passing through the motor controller to meet the needs of different devices. Therefore, the motor controller and the battery are separately The components, generators and motor modules are connected to ensure precise control of the pump truck and stability of performance.

In any of the above technical solutions, preferably, it further includes: a transformer, which is connected to the power supply interface and the battery assembly, and the transformer is located between the power supply interface and the battery assembly.

In this technical solution, the voltage of the external power supply is adjusted to a voltage that meets the charging requirements of the battery assembly by setting a transformer to ensure the safety of charging.

Additional aspects and advantages of the present application will be partially given in the following description, and some will become apparent from the following description, or be learned through practice of the present application.

BRIEF DESCRIPTION

The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

1 shows a structural block diagram of a pump truck according to the first embodiment of the present application;

2 shows a structural block diagram of a pump truck according to a second embodiment of the present application;

3 shows a structural block diagram of a pump truck according to a third embodiment of the present application;

4 shows a structural block diagram of a pump truck according to a fourth embodiment of the present application;

FIG. 5 shows a structural block diagram of a pump truck according to a fifth embodiment of the present application.

Among them, the correspondence between the reference numerals in FIG. 1 to FIG. 5 and the component names is:

1 pump truck, 10 charging port / power supply port, 12 battery pack, 14 engine, 16 main oil pump, 18 drive axle, 20 generator, 22 gearbox, 24 drive shaft, 26 transfer box, 28 boom pump, 30 Boom pump motor, 32 water washing motor, 34 rotary motor, 36 air-cooled motor, 38 stirring motor, 40 motor.

detailed description

In order to be able to understand the above-mentioned objects, features and advantages of the present application more clearly, the present application will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other if there is no conflict.

In the following description, many specific details are set forth in order to fully understand the application. However, the application can also be implemented in other ways than those described here. Therefore, the scope of protection of the application is not subject to the specifics disclosed below. Limitations of the embodiment.

The pump truck 1 according to some embodiments of the present application will be described below with reference to FIGS. 1 to 5.

As shown in FIGS. 1 to 5, the present application provides a pump truck 1 including: a battery assembly 12 connected to a motor module. The battery assembly 12 is used to supply power to the motor module; an engine 14 is driven to drive the pump truck 1 The drive axle 18 is connected; the power supply interface is connected to the battery assembly 12 and / or the motor module for connecting an external power supply; wherein, the motor module is used for the main oil pump 16, the boom pump 28, the water washing of the pump truck 1 At least one of the pump, the turntable rotation, the cooling fan, and the stirring mechanism in the hopper provides power.

This application provides a pump truck 1 including a battery assembly 12, an engine 14, and a power supply interface, wherein the battery assembly 12 is connected to the motor module, and the motor module is powered by the battery assembly 12, so that the motor module performs the corresponding functions, such as Provide power for at least one of the main oil pump 16, boom pump 28, water wash pump, turntable rotation, cooling fan, and stirring mechanism in the hopper of the pump truck 1; the drive axle 18 that drives the engine 14 and the pump truck 1 Connected to work, the drive axle 18 of the pump truck 1 is driven by the engine 14; the power supply interface is connected to the battery assembly 12 and directly connected to the external power supply through the power supply interface, and the battery assembly 12 is charged by the external power supply to achieve the guarantee The power supply of the battery assembly 12; the power supply interface can also be directly connected to the motor module, which is powered by an external power supply and drives the motor module to run. The pump truck 1 provided by this application realizes the operation of the hybrid drive pump truck 1 through the engine 14, the battery assembly 12 and the power supply interface. After the engine 14 stops working, the charged battery assembly 12 can continue to drive the motor module to complete the corresponding work. To achieve the effect of energy saving, or directly connected to the external power supply through the power supply interface, the motor module completes the corresponding work through electric drive, which improves the working efficiency of the pump truck 1 and ultimately reduces the energy consumption of the pump truck 1 and improves the performance parameters. .

In the above embodiment, preferably, as shown in FIGS. 1 to 5, it further includes: a gearbox 22, the input end of the gearbox 22 is connected to the output end of the engine 14; a transmission shaft 24, one end of the transmission shaft 24 is connected to The output end of the gearbox 22 is connected; the transfer case 26, the other end of the transmission shaft 24 is connected to the first input end of the transfer case 26, and the output end of the transfer case 26 is connected to the drive axle 18.

In this embodiment, the output end of the gearbox 22 and the input end of the transfer case 26 are connected through the transmission shaft 24 to ensure the transmission of power. The output end of the transfer case 26 is connected to the drive axle 18, and through the setting of the transfer case 26, power can be distributed according to actual working conditions.

In any of the above embodiments, preferably, as shown in FIGS. 2, 4 and 5, it further includes: a generator 20, an input end of the generator 20 and a power take-off end of the engine 14, and a power take-off of the gearbox 22 At least one of the terminal and the second output terminal of the transfer case 26 is connected, and the output terminal of the generator 20 is connected to the battery assembly 12.

In this embodiment, the generator 20 is connected to one of the engine 14, the gearbox 22, and the transfer case 26 to provide power to generate electricity. The output of the generator 20 is connected to the battery assembly 12, so that the generator 20 The generated current can charge the battery assembly 12 after being inverted, and can also directly drive the motor module to work to realize the corresponding function of the motor module. The engine 14 drives the generator 20 to generate electricity, which can supply power to the battery module and realize hybrid driving. After the engine 14 stops working, the charged battery assembly 12 can continue to drive the motor module to complete the corresponding work, which achieves the effect of energy saving, and the motor The module is driven by electric power to complete the corresponding work, which improves the working efficiency of the pump truck 1, and finally achieves the purpose of reducing the energy consumption of the pump truck 1 and improving the performance parameters.

In any of the above embodiments, preferably, the boom pump 28 is further included. The boom pump 28 is used to drive the unfolding and folding of each boom of the pump truck 1, and the boom pump 28 is connected to the transfer box 26. Or the boom pump 28 is connected to the drive motor, and the battery assembly is also used to supply power to the drive motor.

In this embodiment, on the one hand, the boom pump 28 is connected to the engine 14 through the transfer box 26, and is driven by the engine 14. When the pump truck 1 conveys materials to a high place or a long distance, the transfer box 26 is the boom pump 28 matches the corresponding power, and then drives the unfolding and folding of each boom of the pump truck 1 to ensure the transportation of materials. On the other hand, the boom pump 28 is driven by a motor, the motor is connected to the battery assembly 12 or an external power source through a power supply interface, and the boom pump motor 30 is driven by the power provided by the generator 20, so that the boom pump motor 30 drives the boom The pump 28 completes the corresponding work. In other words, the boom pump 28 is driven by electricity, so as to ensure accurate control of the boom pump 28 and improve its working efficiency.

In any of the above-mentioned embodiments, preferably, as shown in FIGS. 1 to 5, it further includes: an electric motor 40 connected to the power supply interface; a main oil pump 16 connected to the electric motor 40 or the transfer case 26 connection.

In this embodiment, on the one hand, the main oil pump 16 is driven by the electric motor 40 to ensure running stability; on the one hand, the main oil pump 16 can also be connected to the transfer case 26, driven by the engine 14, and operated by the transfer case 26 according to actual conditions Situation to distribute power. For example, when the pump truck 1 is in a running state, more power is distributed to the drive system, and when the pump truck 1 is in a working state, more power is distributed to the generator 20 and the main oil pump 16. Among them, the motor 40 is directly connected to an external power source or provides power through other power supply interfaces.

In any of the above embodiments, preferably, it further includes: a hydraulic pump connected to the engine 14; a motor, the hydraulic oil input end of the motor is connected to the hydraulic pump, and the power output end of the motor is connected to the generator 20 .

In this embodiment, the pump truck 1 further includes a hydraulic pump and a motor that cooperate with each other, wherein the input end of the motor is connected to the hydraulic pump, and the output end is connected to the generator 20, that is, the hydraulic pump and the motor are integrated with the generator 20 Cooperating with each other, the engine 14 drives the hydraulic pump, the hydraulic pump drives the motor, and the motor drives the generator 20 to generate electricity to ensure the effective work of the pump truck 1 and the layout is flexible.

In any of the above embodiments, preferably, the motor module further includes: a water washing motor 32, a slewing motor 34, an air-cooled motor 36, and a stirring motor 38; The pump drives the turntable of the pump truck 1, the air-cooled motor 36 is used to drive the cooling fan, and the stirring motor 28 drives the stirring mechanism in the hopper of the pump truck 1 to rotate through the stirring reducer.

In this embodiment, the motor module specifically includes a water washing motor 32, a rotary motor 34, an air-cooled motor 36, and a stirring motor 38. Through the above-mentioned motor, specifically, the water washing motor 32 is used to drive a water washing pump, and the rotary motor 34 passes The rotary speed reducer drives the turntable of the pump truck 1, the air-cooled motor 36 is used to drive the cooling fan, which is used to cool the hydraulic oil, and the stirring motor 28 drives the stirring mechanism in the hopper of the pump truck 1 to rotate through the stirring reducer, thereby realizing the pump The functions of water washing, turning, air cooling and stirring of the materials of the truck 1 ensure the normal operation of the pump truck 1.

In any of the above embodiments, preferably, it further includes: an inverter and a rectifier; the battery assembly 12 includes a battery pack; wherein, the generator 20 is connected to the battery pack via the rectifier, and the battery pack and the motor module pass through the inverter phase connection.

In this embodiment, it also includes: an inverter and a rectifier; the battery assembly 12 includes a battery pack, wherein the battery pack and the generator 20 are connected by a rectifier, so that the electrical energy provided by the generator 20 is converted from alternating current to electricity after the rectifier The DC power is stored in the battery pack; and the battery pack and the motor module are connected by an inverter, so that the electrical energy stored in the battery pack can be converted into AC power for the motor module after the inverter is converted, thereby ensuring the completion of the motor module Work accordingly.

In any of the above embodiments, preferably, the motor controller is connected to the battery assembly 12, the generator 20, and the motor module, respectively.

In this embodiment, the motor controller has a built-in inverter module and rectifier module to achieve the inverter or rectification of the current passing through the motor controller to meet the needs of different devices. Therefore, the motor controller and the battery are separately The assembly 12, the generator 20 and the motor module are connected to ensure precise control of the pump truck 1 and stability of performance.

In any of the above embodiments, preferably, it further includes: a transformer, which is connected to the power supply interface and the battery assembly 12, and the transformer is located between the power supply interface and the battery assembly.

In this embodiment, the voltage of the external power supply is adjusted to a voltage that meets the charging requirements of the battery assembly 12 by setting a transformer to ensure charging safety.

Specific embodiment one, as shown in FIG. 1, this application provides a pump truck 1 including an energy storage battery, an engine 14 and a charging port / power supply port 10, in which the engine 14 is carried out via a gearbox 22, a transmission shaft 24 and a transfer box 26 After power transmission, they are connected to the main oil pump 16, drive axle 18 and boom pump 28 respectively, which are used to drive the main oil pump 16, drive axle 18 and boom pump 28; the energy storage battery is connected with the motor module through the motor controller The washing motor 32 of the water washing system, the rotating motor 34 of the rotary table, the air cooling motor 36 of the air cooling system, and the stirring motor 38 of the stirring system are connected, so as to realize the washing, rotation, air cooling and stirring of the materials of the pump truck 1 Function: The charging port / power supply port 10 can be connected to an external power supply, and connected to the energy storage battery and the motor module through a transformer. On the one hand, the energy storage battery is charged through the external power supply, and on the other hand, the external power supply directly drives the motor module to run. In this embodiment, the hybrid drive is implemented by the engine 14 and the battery and external power supply. The motor controller has a built-in rectifier module and inverter module to adjust the motor speed, monitor the working current, and adjust the current. In this embodiment, the main oil pump 16, the boom pump 28, and the axle 18 are driven by the transfer box 26; the electric drive part is powered by an external charging port, and after DC-DC, it charges the energy storage battery, and can also directly drive water washing The drive motor, the rotary drive motor of the turntable, the air-cooled drive motor and the stirring drive motor realize the hybrid drive of the pump truck 1. Further, the electric drive power is provided by an external 220V power supply or a charging pile.

Specific embodiment two, as shown in FIG. 2, the present application provides a pump truck 1 including an energy storage battery, an engine 14 generator 20 and a charging port / power supply port 10, wherein the engine 14 passes through a gearbox 22, a transmission shaft 24 and a transfer The tank 26 is connected to the main oil pump 16, the drive axle 18 and the boom pump 28 after power transmission, and is used to drive the main oil pump 16, the drive axle 18 and the boom pump 28 to work; the energy storage battery is separately controlled by the motor controller It is connected with the washing motor 32 of the washing system of the motor module, the rotating motor 34 of the rotary table, the air cooling motor 36 of the air cooling system, and the stirring motor 38 of the stirring system, so as to realize the washing, rotation and air cooling of the materials by the pump truck 1 And mixing and other functions; the charging port / power supply port 10 can be connected to an external power supply, and connected to the energy storage battery and the motor module via a transformer. On the one hand, the energy storage battery is charged through the external power supply, and on the other hand, the external power supply directly drives the motor module to run. In this embodiment, the hybrid drive is realized by the engine 14 and the battery and the external power supply; the generator 20 can be driven by the flywheel of the engine 14 or the power take-off, or the power take-off of the gearbox 22, or the power take-off of the transfer case 26 , The energy storage battery is charged by the generator 20, and the generator 20 can also be directly connected to the motor module through the motor controller, driving the washing motor 32 of the washing system, the rotating motor 34 of the rotary table, and the air cooling motor 36 of the air cooling system 3. The stirring motor 38 of the stirring system; wherein, the motor controller has a built-in rectifier module and inverter module to adjust the motor speed, monitor the working current, and adjust the current. In this embodiment, the main oil pump 16, the boom pump 28, and the axle 18 are driven by the transfer case 26; the electric drive part is powered by an external charging port or generated by the on-board generator 20, and after DC-DC, the energy storage battery is charged At the same time, it can also directly drive the washing motor 32 of the washing system, the rotary motor 34 of the rotary table, the air cooling motor 36 of the air cooling system, and the stirring motor 38 of the stirring system to realize the hybrid drive of the pump truck 1, when the engine 14 is stopped After that, the energy storage battery can drive the stirring, rotating table rotation, water washing, and air cooling motor 36 to work, saving energy and improving efficiency. Further, the electric drive power is provided by an external 220V power supply or a charging pile.

Specific embodiment three, as shown in FIG. 3, the present application provides a pump truck 1 including an energy storage battery, an engine 14 and a charging port / power supply port 10, wherein the engine 14 is carried out via a gearbox 22, a transmission shaft 24 and a transfer box 26 After power transmission, they are respectively connected to the main oil pump 16 and the drive axle 18 for driving the main oil pump 16 and the drive axle 18; the energy storage battery is respectively connected to the washing motor 32 and the rotary table of the washing system of the motor module through the motor controller The rotary motor 34, the air cooling motor 36 of the air cooling system, the mixing motor 38 of the mixing system and the drive motor of the boom pump 28 are connected, so as to realize the washing, rotation, air cooling, mixing and pumping of the material of the pump truck 1 The charging port / power supply port 10 can be connected to an external power supply, which is connected to the energy storage battery and the motor module via a transformer. On the one hand, the energy storage battery is charged through the external power supply, and on the other hand, the external power supply directly drives the motor module to run. In this embodiment, the hybrid drive is implemented by the engine 14 and the battery and external power supply. The motor controller has a built-in rectifier module and inverter module to adjust the motor speed, monitor the working current, and adjust the current. In this embodiment, the main oil pump 16 and the axle 18 are driven by the transfer case 26; the electric drive part is powered by an external charging port, and charges the energy storage battery after DC-DC, and can also directly drive the washing motor 32 of the washing system 1. The rotary motor 34 of the rotary table, the air-cooled motor 36 of the air-cooled system, the agitated motor 38 of the agitated system, and the boom pump 28 drive motor realize the hybrid drive of the pump truck 1. Further, the electric drive power is provided by an external 220V power supply or a charging pile.

Specific Embodiment 4 As shown in FIG. 4, this application provides a pump truck 1 including an energy storage battery, an engine 14 generator 20 and a charging port / power supply port 10, wherein the engine 14 passes through a gearbox 22, a transmission shaft 24 and a transfer The tank 26 is connected to the main oil pump 16 and the drive axle 18 after power transmission, and is used to drive the main oil pump 16 and the drive axle 18 to work; the energy storage battery is respectively connected to the washing motor 32 of the washing system of the motor module through the motor controller , The rotary motor 34 of the rotary table, the air cooling motor 36 of the air cooling system, the stirring motor 38 of the stirring system and the drive motor of the boom pump 28 are connected, so as to realize the washing, rotation, air cooling and stirring of the material by the pump truck 1 , Pumping and other functions; the charging port / power supply port 10 can be connected to an external power supply, which is connected to the energy storage battery and the motor module via a transformer. On the one hand, the energy storage battery is charged through the external power supply, and on the other hand, the external power supply directly drives the motor module to run. In this embodiment, the hybrid drive is realized by the engine 14 and the battery and the external power supply; the generator 20 can be driven by the flywheel of the engine 14 or the power take-off, or the power take-off of the gearbox 22, or the power take-off of the transfer case 26 , The energy storage battery is charged by the generator 20, and the generator 20 can also be directly connected to the motor module through the motor controller, driving the washing motor 32 of the washing system, the rotating motor 34 of the rotary table, and the air cooling motor 36 of the air cooling system 1. The stirring motor 38 of the stirring system and the drive motor of the boom pump 28; among them, the motor controller has a built-in rectifier module and inverter module to adjust the motor speed, monitor the working current, and adjust the current. In this embodiment, the main oil pump 16 and the axle 18 are driven by the transfer case 26; the electric drive part is powered by an external charging port or generated by the on-board generator 20. After DC-DC, the energy storage battery is charged, and it can also be directly The water washing motor 32 driving the water washing system, the rotary motor 34 of the rotary table, the air cooling motor 36 of the air cooling system, the stirring motor 38 of the stirring system, and the driving motor of the boom pump 28 realize the hybrid driving of the pump truck 1, When the engine 14 is stopped, the energy storage battery can drive the motors of agitation, turntable rotation, water washing, air cooling, and boom pump to save energy and improve efficiency. Further, the electric drive power is provided by an external 220V power supply or a charging pile.

Specific Embodiment 5 As shown in FIG. 4, the present application provides a pump truck 1 including an energy storage battery, an engine 14 generator 20 and a charging port / power supply port 10, and an electric motor 40, wherein the engine 14 passes through a gearbox 22 and a drive shaft 24 After the power transmission of the transfer case 26 is connected to the drive axle 18, it is used to drive the drive axle 18 to work; the motor 40 is connected to an external power supply to provide power to the main oil pump 16; the energy storage battery is separately connected to the motor module through the motor controller The washing motor 32 of the water washing system, the rotating motor 34 of the rotary table, the air cooling motor 36 of the air cooling system, the stirring motor 38 of the stirring system and the drive motor of the boom pump 28 are connected, so as to realize the washing of the material by the pump truck 1 , Rotation, air cooling, stirring, pumping and other functions; the charging port / power supply port 10 can be connected to an external power supply, and connected to the energy storage battery and the motor module through a transformer. On the one hand, the energy storage battery is charged through the external power supply, and on the other hand The power supply directly drives the motor module. In this embodiment, the hybrid drive is realized by the engine 14 and the battery and the external power supply; the generator 20 can be driven by the flywheel of the engine 14 or the power take-off, or the power take-off of the gearbox 22, or the power take-off of the transfer case 26 , The energy storage battery is charged by the generator 20, and the generator 20 can also be directly connected to the motor module through the motor controller, driving the washing motor 32 of the washing system, the rotating motor 34 of the rotary table, and the air cooling motor 36 of the air cooling system , The stirring motor 38 of the stirring system and the drive motor of the boom pump 28; among them, the motor controller has a built-in rectifier module and inverter module to adjust the motor speed, monitor the working current, and adjust the current. In this embodiment, the axle 18 is driven by the transfer case 26; when an external power source is used, the motor 40 is directly driven by the external power source, and the main oil pump 16 is driven by the motor 40; the electric drive part is powered by an external charging port or generated by the on-board generator 20. After DC-DC, it charges the energy storage battery, and can also directly drive the washing motor 32 of the washing system, the rotating motor 34 of the rotary table, the air cooling motor 36 of the air cooling system, the stirring motor 38 of the stirring system, and the boom pump 28 The boom pump motor 30 realizes the hybrid driving of the pump truck 1. After the engine 14 is stopped, the energy storage battery can drive the stirring, the turntable rotation, water washing, air cooling, and the boom pump motor 30 to work, saving energy and improving effectiveness. Further, the electric drive power is provided by an external 220V power supply or a charging pile.

In the description of this application, the term "plurality" refers to two or more, unless otherwise clearly defined, the terms "upper", "lower", etc. indicate the orientation or positional relationship based on the drawings The orientation or position relationship is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the application; The terms "connection", "installation", "fixation", etc. should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or can be through the middle The media is indirectly connected. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In the description of this application, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiments or examples are included in this application In at least one embodiment or example. In this application, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

A pump truck (1), which includes:

A battery assembly (12) is connected to the motor module, and the battery assembly (12) is used to supply power to the motor module;

The engine (14) is connected to a driving axle (18) that drives the pump truck (1) to travel;

A power supply interface, connected to the battery assembly (12) and / or the motor module, for connecting an external power supply;

Wherein, the motor module is used to provide at least one of the main oil pump (16), boom pump (28), water washing pump, turntable rotation, cooling fan and stirring mechanism in the hopper of the pump truck (1) power.
The pump truck (1) according to claim 1, further comprising:

A gearbox (22), an input end of the gearbox (22) is connected to an output end of the engine (14);

A transmission shaft (24), one end of the transmission shaft (24) is connected to the output end of the gearbox (22);

Transfer case (26), the other end of the transmission shaft (24) is connected to the input end of the transfer case (26), the first output end of the transfer case (26) is connected to the driving vehicle The bridge (18) is connected.
The pump truck (1) according to claim 2, further comprising:

Generator (20), the input end of the generator (20) and the power take-off end of the engine (14), the power take-off end of the gearbox (22) and the first part of the transfer case (26) At least one of the two output terminals is connected, and the output terminal of the generator (20) is connected to the battery assembly (12).
The pump truck (1) according to claim 3, further comprising:

Boom pump (28), the boom pump (28) is used to drive the unfolding and folding of each boom of the pump truck (1), the boom pump (28) and the transfer box (26) ) Is connected, or the boom pump (28) is connected to a drive motor, and the battery assembly (12) is also used to supply power to the drive motor.
The pump truck (1) according to claim 2, further comprising:

A motor (40), the motor (40) is connected to the power supply interface;

A main oil pump (16) is connected to the electric motor (40) or the transfer case (26).
The pump truck (1) according to claim 3, further comprising:

A hydraulic pump connected to the engine (14);

A motor, a hydraulic oil input end of the motor is connected to the hydraulic pump, and a power output end of the motor is connected to the generator (20).
The pump truck (1) according to claim 3, further comprising:

Inverter and rectifier;

The battery assembly (12) includes a battery pack;

Wherein, the generator (20) is connected to the battery pack via the rectifier, and the battery pack and the motor module are connected via the inverter.
The pump truck (1) according to any one of claims 1 to 7, further comprising:

The motor module includes: a water washing motor (32), a rotary motor (34), an air-cooled motor (36), and a stirring motor (38);

The water washing motor (32) is used to drive a water washing pump, the rotary motor (34) drives the rotary table of the pump truck (1) to rotate through a rotary reducer, and the air-cooled motor (36) is used to drive a cooling fan The stirring motor (38) drives the stirring mechanism in the hopper of the pump truck (1) to rotate through a stirring reducer.
The pump truck (1) according to any one of claims 3 to 7, further comprising:

A motor controller, which is connected to the battery assembly (12), the generator (20), and the motor module, respectively.
The pump truck (1) according to any one of claims 1 to 7, further comprising:

A transformer is connected to the power supply interface and the battery assembly (12), and the transformer is located between the power supply interface and the battery assembly (12).