CN210234640U - Hybrid engineering vehicle - Google Patents

Abstract

The utility model discloses a hybrid engineering vehicle, wherein an engine and a gearbox are arranged between two longitudinal beams, and the engine drives wheels to run by the output power of the gearbox; the outer side of one longitudinal beam is fixedly provided with a post-treatment assembly, a urea pot assembly, a two-stage oil-water separator assembly, a low-voltage battery frame assembly and a fuel tank assembly; the driving motor is arranged in a collinear way with the engine and the gearbox, and the driving motor outputs power through the gearbox to enable the wheels to run; the outer side of the other longitudinal beam is fixedly provided with a power battery assembly; the engineering top is arranged at the rear part of the frame assembly; the utility model can respectively output power by the driving motor or the engine, different driving forms can be switched according to different driving states of the vehicle, fuel consumption in the starting and low-speed driving processes is reduced, and the effects of energy conservation and emission reduction are achieved; the parts matched with the engine and the parts matched with the driving motor are respectively arranged on two sides of the longitudinal beam and are uniformly distributed without interference.

Description

Hybrid engineering vehicle

Technical Field

The utility model relates to a vehicle engineering technical field further relates to a hybrid machineshop car.

Background

Under the dual pressure of energy supply shortage and serious environmental pollution, the national exhaust emission standard of commercial vehicles is more and more strict; the concrete mixing transport vehicle is generally used for transporting concrete in a point-to-point medium-short distance manner, and often needs to pass through a city, and because the road condition of the city is complex, the running process needs to be braked, decelerated and accelerated continuously; the traditional engineering vehicle is driven by a diesel engine, the oil consumption of the diesel engine is the largest in a starting stage, the diesel engine has the defects of poor dynamic property, slow starting and high oil consumption as power, meanwhile, the braking distance is long when the concrete mixing transport vehicle is in heavy load, the urban road condition is frequently braked, the kinetic energy in braking is converted into heat energy to be dissipated, and the energy loss is serious.

The concrete mixing and transporting truck is limited by the wheelbase of the chassis, the mixing upper loading and the length of the whole truck, and the arrangement space of the chassis and each system of the whole truck is very limited; for those skilled in the art, how to reduce the exhaust emission of a concrete mixer truck is a technical problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hybrid engineering vehicle, which achieves the effects of energy conservation and emission reduction through the mutual matching of an engine and a driving motor; each part is distributed evenly, and mutual interference is not generated, and the specific scheme is as follows:

a hybrid work vehicle comprising:

the frame assembly comprises a longitudinal beam and a cross beam which are fixedly connected with each other to form a frame;

the engine and the gearbox are arranged between the two longitudinal beams; the engine outputs power through the gearbox; one of the longitudinal beams is positioned between the first bridge and the second bridge, and the outer side of the longitudinal beam between the second bridge and the middle bridge is fixedly provided with a urea pot assembly, a two-stage oil-water separator assembly, a low-voltage battery frame assembly and a fuel tank assembly;

the chassis driving motor is arranged in a collinear way with the engine and the gearbox and outputs power through the gearbox; a power battery assembly is fixedly arranged on the outer side of the other longitudinal beam;

the engineering upper assembly is arranged at the rear part of the frame assembly;

and the cab is arranged at the front part of the frame assembly.

Optionally, an integrated frame disposed between the engineering top mount and the cab;

the integrated frame is transversely divided into three independent spaces, a controller is arranged in a second inner cavity of the middle part, a high-voltage distribution box and a high-voltage wire fixing plate are arranged in a first inner cavity on one side, and an electronic fan heat dissipation assembly is arranged in a third inner cavity on the other side.

Optionally, a mechanical power-assisted steering oil pump is mounted on the engine, and an electric power-assisted steering oil pump is mounted in the first inner cavity of the integrated frame;

the steering oil can and the steering gear are mounted on the frame assembly, and the mechanical power-assisted steering oil pump and the electric power-assisted steering oil pump can respectively and independently control the steering gear.

Optionally, a mechanical air-conditioning compressor is mounted on the engine, and an electric air-conditioning compressor is mounted on the frame assembly.

Optionally, the engineering top-loading device is a stirring tank, a top-loading driving motor is installed on the frame assembly, and the top-loading driving motor drives the engineering top-loading device to rotate.

Optionally, the second inner cavity of the integrated frame is vertically divided into three layers, and an upper driving motor controller and an all-in-one controller are arranged on the lower layer; the middle layer is provided with a vehicle control unit and a chassis driving motor controller; the upper layer is provided with a battery cooling unit.

Optionally, an MSD switch is disposed on an outer sidewall of the first inner cavity of the integrated frame, and a charging port is disposed on an outer sidewall of the third inner cavity of the integrated frame;

and the top of the integrated frame is provided with a battery cooling water supplementing kettle and a driving motor cooling water supplementing kettle.

Optionally, the longitudinal beams forming the frame assembly are arranged in a single layer, and the front width of each longitudinal beam is greater than the rear width of each longitudinal beam; the engine, the chassis driving motor and the gearbox are arranged at the front part of the longitudinal beam;

a reinforcing plate is arranged at the joint of the cross beam and the longitudinal beam; and a reinforcing plate is arranged at the position where the distance between the two longitudinal beams changes.

Optionally, the power battery assembly comprises a battery fixing bracket and a battery pack, and the battery fixing bracket is stacked, detachably and fixedly assembled;

further comprising a skin surrounding the battery mounting bracket; two fuse boxes are fixedly arranged outside the skin.

Optionally, an air storage cylinder and a dryer assembly are mounted between the two longitudinal beams of the frame assembly.

Optionally, an intercooler, an engine radiator and an engine electromagnetic fan are arranged in front of the engine;

and an air filter assembly and an air inlet channel assembly are arranged above the outer side of the longitudinal beam.

The utility model has the core that a hybrid engineering vehicle is provided, a frame assembly comprises a longitudinal beam and a cross beam which are fixedly connected with each other to form a frame, and the frame assembly plays a role in supporting; the engine and the gearbox are arranged between the two longitudinal beams, and the engine outputs power through the gearbox to enable the wheels to run; the outer side of one longitudinal beam is fixedly provided with a post-treatment assembly, a urea pot assembly, a two-stage oil-water separator assembly, a low-voltage battery jar frame assembly and a fuel tank assembly, and the post-treatment assembly, the urea pot assembly, the two-stage oil-water separator assembly, the low-voltage battery jar frame assembly and the fuel tank assembly are matched with an engine to work; the driving motor is arranged in a collinear way with the engine and the gearbox, and the driving motor outputs power through the gearbox to enable the wheels to run; a power battery assembly is fixedly arranged on the outer side of the other longitudinal beam and is matched with the driving motor to work; the engineering top is arranged at the rear part of the frame assembly, and the cab is arranged at the front part of the frame assembly and is supported by the frame assembly; the hybrid power engineering vehicle of the utility model can output power by the driving motor or the engine respectively, and the driving motor or the engine can be used according to different working conditions, thereby achieving the effects of energy conservation and emission reduction; the parts matched with the engine and the parts matched with the driving motor are respectively arranged on two sides of the longitudinal beam, and the parts are uniformly distributed and do not interfere with each other.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1A and fig. 1B are respectively structural diagrams of two different sides of the hybrid construction vehicle provided by the present invention;

FIG. 2A is a top view of the structure of FIG. 1;

FIG. 2B is a top view of the front portion of the frame assembly;

FIG. 2C is a side view of the front portion of the frame assembly;

FIG. 3A is a front view of an integrated frame;

fig. 3B to 3D are a left side view, a right side view, and a top view of the integrated frame, respectively;

fig. 4A and 4B are overall structural views of a hybrid construction vehicle including a construction kit, respectively;

FIGS. 5A and 5B are top and side views, respectively, of the frame assembly;

6A-6C are front, top, and side views, respectively, of a power cell assembly;

fig. 7 is a graph of operating modes corresponding to different phases of a driving cycle.

The figure includes:

the vehicle frame assembly comprises a vehicle frame assembly 1, longitudinal beams 11, a cross beam 12, an electric air-conditioning compressor 13, a steering oil can 14, a steering gear 15, an air storage cylinder 16, a dryer assembly 17, a transmission shaft 18, an air-conditioning condenser 19, an engine 2, a gearbox 21, a post-treatment assembly 22, a urea can assembly 23, a two-stage oil-water separator assembly 24, a low-voltage battery frame assembly 25, a fuel tank assembly 26, a mechanical power-assisted steering oil pump 27, a mechanical air-conditioning compressor 28, an intercooler 29, an engine radiator 210, an engine electromagnetic fan 211, an air filter assembly 212, an air inlet channel assembly 213, a chassis driving motor 3, a power battery assembly 31, a battery fixing bracket 311, a battery pack 312, a fuse box 313, an engineering top mount 4, a top mount driving motor 41, a cab 5, an integrated frame 6, a high-voltage distribution box 61, an electronic fan heat dissipation assembly 62, an electric power-assisted steering, The system comprises an all-in-one controller 65, a vehicle control unit 66, a chassis driving motor controller 67, a battery cooling unit 68, an MSD switch 69, a charging port 610, a battery cooling water supplementing kettle 611, a driving motor cooling water supplementing kettle 612 and a high-voltage wire fixing plate 613.

Detailed Description

The core of the utility model is to provide a hybrid engineering vehicle, which achieves the effects of energy saving and emission reduction through the mutual matching of an engine and a driving motor; all the parts are uniformly distributed and do not interfere with each other.

In order to make those skilled in the art better understand the technical solution of the present invention, the hybrid construction vehicle of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1A and fig. 1B, the structural diagrams of two different sides of the hybrid engineering vehicle provided by the present invention are respectively shown; fig. 2A is a chassis structure diagram of the hybrid construction vehicle provided by the present invention; the automobile chassis comprises a frame assembly 1, an engine 2, a chassis driving motor 3, an engineering upper assembly 4, a cab 5 and other structures, wherein the frame assembly 1 is a bearing component of the whole automobile, the upper part of the frame assembly is used for mounting and supporting other components, the frame assembly 1 comprises longitudinal beams 11 and cross beams 12 which are fixedly connected with each other to form a frame, the two longitudinal beams 12 are arranged and extend along the length direction of the automobile body, the cross beams 12 extend along the width direction of the automobile body, and the longitudinal beams 11 and the cross beams 12 are approximately vertical to each other; the transverse beams 12 are arranged in a plurality of rows, and two ends of the transverse beams 12 are fixed on the longitudinal beams 11 to form a frame structure.

The engine 2 supplies energy to fuel oil for working, and the engineering machinery is usually driven by a diesel engine; the engine 2 and the gearbox 21 are arranged between the two longitudinal beams 11 and supported by the frame assembly 1, and the engine 2 and the gearbox 21 are linearly arranged along the length direction of the longitudinal beams 11; the engine 2 outputs power through the gearbox 21, the gearbox 21 drives the transmission shaft 18 to rotate, and the transmission shaft 18 further transmits power to the wheels to enable the wheels to rotate.

The outer side of one longitudinal beam 11 between the first bridge A and the second bridge B is fixedly provided with a post-processing assembly 22, the outer side of the longitudinal beam 11 between the second bridge B and the middle bridge C is fixedly provided with a urea pot assembly 23, a two-stage oil-water separator assembly 24, a low-voltage battery frame assembly 25 and a fuel tank assembly 26, and the above components are all matched with the engine 2 to work.

As shown in fig. 2A, a bridge a corresponds to a pair of wheels at the forefront, a bridge B corresponds to a second pair of wheels, a middle bridge C corresponds to a third pair of wheels, and a rear bridge D corresponds to a fourth pair of wheels.

The post-treatment assembly 22 is positioned between the first bridge and the second bridge, and is convenient for connecting the engine 2, and the post-treatment assembly 22 is used for receiving and treating the exhaust gas discharged from the engine 2; a urea pot assembly 23, a two-stage oil-water separator assembly 24, a fuel tank assembly 26 and a low-voltage battery frame assembly 25 are arranged between the second bridge and the middle bridge, and the urea pot assembly 23 is close to the post-processing assembly 22 and is used for conveying urea to the post-processing assembly 22; the double-stage oil-water separator assembly 24 is used for filtering oil supply of the engine and removing moisture in fuel oil, and the double-stage oil-water separator assembly 24 and the fuel tank assembly 26 are arranged adjacently, so that the length of a pipeline is shortened; the main parts of the engine 2 and the gearbox 21 are positioned between a first bridge and a second bridge, and the double-stage oil-water separator assembly 24 and an oil inlet of the engine 2 are positioned on the same side, so that the fuel pipes can be arranged conveniently. The low-voltage cylinder frame assembly 25 contains a low-voltage storage battery and supplies power to low-voltage components of the whole vehicle and an engine starting motor.

The chassis drive motor 3 is arranged in line with the engine 2 and the gearbox 21, as shown in fig. 2B and 2C, which are respectively a top view and a side view of the front part of the frame assembly 1; the chassis driving motor 3 is positioned between the engine 2 and the gearbox 21; the chassis driving motor 3 outputs power through the gearbox 21, and the chassis driving motor 3 and the engine 2 can work independently to transmit power to the gearbox 21. And a power battery assembly 31 is fixedly installed on the outer side of the other longitudinal beam 11, the power battery assembly 31 is positioned between the two bridges and the middle bridge, and the power battery assembly 31 and the chassis driving motor 3 work in a matching way to provide electric energy for the chassis driving motor 3 so as to enable the chassis driving motor 3 to rotate and work.

The engineering top-loading device 4 is arranged at the rear part of the upper surface of the frame assembly 1, and the engineering top-loading device 4 is used for realizing engineering operation; a cab 5 is mounted to the front of the upper surface of the frame assembly 1 for operational control.

The utility model discloses a hybrid machineshop car can be respectively by chassis driving motor 3 or 2 independent drives of engine, realizes double dynamical outputs to via the transmission of gearbox 21, according to the different drive forms of switching of vehicle driving state, reduced the fuel consumption of starting and low-speed process of traveling, through the drive of engine 2 when the adjustment is traveling, chassis driving motor 3 need not long-time work, and the burden is less, reaches energy saving and emission reduction's effect. The utility model discloses to set up respectively in longeron 11 both sides with 2 complex parts of engine and with 3 complex parts on chassis driving motor, adopt the modularized design, fuel drive part and electric drive part independent setting, distribute evenly, do not produce the interference each other, rationally utilized frame assembly 1's space, rationally distributed.

The chassis driving motor 3 of the utility model can be used as a generator in the downhill or braking process, the kinetic energy is recovered and converted into electric energy for standby, and the chassis driving motor 3 generates a certain braking force when being used as a generator, thereby reducing the vehicle running cost; in order to recover the regenerative braking energy to the maximum extent, the chassis driving motor 3 is preferentially used for regenerative braking through a control strategy, and when the regenerative braking of the chassis driving motor 3 cannot meet the braking intensity or the SOC of the battery reaches the maximum limit value, the mechanical braking is used for working again, so that the reliability of the braking process is ensured.

Pure electric vehicle exists from great, the continuation of the journey mileage scheduling problem short, leads to pure electric vehicle hardly to use on a large scale in engineering vehicle, and the utility model discloses a hybrid electric engineering vehicle adopts two kinds of power drive, and the mileage of traveling is not restricted by battery capacity, still can reach obvious energy saving and emission reduction effect.

The utility model discloses an among the hybrid machineshop car, engine 2 is the main power source, and chassis driving motor 3 is auxiliary power source. Therefore, the working points of the two power devices are optimized according to different working conditions, the energy distribution ratio of the two power sources is reasonably distributed, the purpose of optimal fuel consumption is achieved, and various factors are comprehensively considered under the condition of ensuring the dynamic property to determine the energy distribution strategy.

The chassis driving motor 3 has dual functions of electric driving and power generation, and the speed characteristic of the power generation state of the chassis driving motor 3 is basically the same as that of the electric driving state. In order to recover as much braking energy as possible, the chassis drive motor 3 can be used to absorb the braking energy and feed it back to the battery assembly 31 for storage when the vehicle is coasting or braking. In order to recover the regenerative braking energy to the maximum extent, the chassis driving motor 3 is determined to perform regenerative braking preferentially through a control strategy, and when the chassis driving motor 3 cannot meet the braking intensity of the whole vehicle or the SOC of a battery reaches the maximum limit value, mechanical braking participates in work, so that the reliability of the braking process is ensured.

The following description is directed to different operational drive modes:

in the pure electric mode, the VCU vehicle controller controls a chassis driving motor to drive a vehicle to run independently according to the vehicle state and basic parameters of each power component, and an engine is in a closed state and is used for starting or running at a low speed. And the VCU calculates the target driving torque of the chassis driving motor according to the state of each controller, and sends the target driving torque to the MCU driving motor controller for execution.

And in the pure engine mode, when the required torque of the whole vehicle is in the optimal working interval of the engine, the engine has better economy and emission performance at the moment, the electric quantity of the power battery is at a higher level, the hybrid power system works in the pure engine mode, and the required torque of the whole vehicle is provided by the engine. The VCU calculates the target torque of the engine according to the states of the controllers, and sends the target torque to the ECU engine controller for execution.

In the hybrid power mode, when the required torque of the whole vehicle is greater than the maximum working torque of the engine and the electric quantity is higher than a set threshold value, the engine works on the maximum working curve at the moment, and redundant required torque is provided by the chassis driving motor, so that the engine has better fuel economy and can meet the power requirement. When the required torque of the whole vehicle is smaller than the minimum working torque of the engine, the engine works on the minimum working curve at the moment, and redundant required torque charges the battery assembly 31 through the chassis driving motor, so that the engine is guaranteed to work in a better area all the time.

Table 1 shows the basic control strategy for different operating modes. As shown in fig. 7, the operation mode curves are plotted for different phases of the driving cycle.

TABLE 1 basic control strategy in different operating modes

On the basis of the scheme, the hybrid engineering vehicle of the utility model also comprises an integrated frame 6 arranged between the engineering upper cover 4 and the cab 5, wherein the integrated frame 6 is a box structure, the interior of the integrated frame can be used for installing other components, and the integrated frame 6 is fixed on the frame assembly 1 through a connecting plate at the bottom; as shown in fig. 3A, which is a front view of the integrated frame 6, fig. 3B to 3D are a left side view, a right side view, and a top view of the integrated frame 6, respectively; the integrated frame 6 is divided into three independent spaces at transverse intervals, and is divided into a left inner cavity, a middle inner cavity and a right inner cavity, wherein the left side in fig. 3A is a first inner cavity, the middle is a second inner cavity, and the right side is a third inner cavity; a high voltage distribution box 61 and a high voltage wire fixing plate 613 are installed in the first cavity, a controller is installed in the second cavity, and an electronic fan cooling assembly 62 is installed in the third cavity.

The high-voltage distribution box 61 is arranged at the same side of the power battery assembly 31, so that high-voltage line connection is facilitated; in order to facilitate the fixing of the high-voltage lines, a high-voltage line fixing plate 613 is disposed below the high-voltage distribution box 61. The electronic fan heat dissipation assembly 62 is arranged forward to facilitate air suction and heat dissipation, and the electronic fan heat dissipation assembly 62 blows air to the heat exchanger to accelerate heat exchange with air.

Preferably, the mechanical power steering oil pump 27 is installed on the engine 2, and the electric power steering oil pump 63 is installed in the first inner cavity of the integrated frame 6; the steering oil can 14 and the steering gear 15 are arranged on the frame assembly 1, and the mechanical power steering oil pump 27 and the electric power steering oil pump 63 can respectively and independently control the steering gear 15.

The electric power-assisted steering oil pump 63 is arranged at the bottom of the frame assembly 1 and is on the same side as the high-voltage distribution box 61; the electric power steering oil pump 63 is located close to the mechanical power steering oil pump 27 provided on the engine 2, on the same side as the steering oil can 14 and the steering gear 15.

The steering system of the utility model adopts double-source control, the steering machine 15 is independently controlled by the mechanical power-assisted steering oil pump 27 and the electric power-assisted steering oil pump 63 respectively, and in the process of adopting engine driving or motor driving, the steering power is realized by two different power-assisted modes respectively; both steering assistance modes are hydraulic control, and the mechanical power steering oil pump 27 and the electric power steering oil pump 63 respectively control the steering gear 15 to realize steering assistance.

A mechanical air-conditioning compressor 28 is arranged on the engine 2, and an electric air-conditioning compressor 13 is arranged on the frame assembly 1, so that the air-conditioning system realizes double-source control; the electric air conditioning compressor 13 is disposed on the front side of the frame assembly 1 on the side of the aftertreatment assembly 22 adjacent to the air conditioning condenser 19, the air conditioning condenser 19 being disposed on the front side of the frame assembly.

As shown in fig. 4A and 4B, the overall structure of the hybrid engineering truck including the engineering top 4 according to the present invention is shown; the utility model provides an engineering facial make-up 4 is the agitator tank, splendid attire concrete in the agitator tank, and the installation facial make-up driving motor 41 is gone up to frame assembly 1, and facial make-up driving motor 41 drives engineering facial make-up 4 and rotates. The agitator tank is driven by the motor, and compared with the traditional form that the flywheel shell of the engine needs to be driven to rotate by taking power from the engine, the agitator tank is driven to rotate independently by the motor, and the normal work of the agitator tank is not influenced by the engine in a flameout state, so that the oil-saving effect can be achieved. The concrete mixing and transporting truck has complete working conditions including stopping starting, feeding and stirring, running and stirring, waiting for unloading and stirring, reverse unloading and returning to the cylinder to stop rotating. Under the working condition of waiting for unloading and stirring, the engine 2 can stop working, and at the moment, the upper loading driving motor 41 can be beneficial to the electric quantity stored in the power battery assembly 31 to continuously drive the upper loading to stir; the working condition can realize the purpose of saving oil of the engine.

Preferably, the second inner cavity of the integrated frame 6 in the utility model is vertically divided into three layers, namely an upper layer, a middle layer and a lower layer, and the lower layer is provided with an upper drive motor controller 64 and an all-in-one controller 65; the middle layer is provided with a vehicle control unit 66 and a chassis driving motor controller 67; the upper layer is provided with a battery cooling unit 68.

The upper mount drive motor controller 64 controls the upper mount drive motor 41, and high voltage is distributed to the upper mount drive motor 41 by U, V, W three-phase lines. The all-in-one controller 65 is used to control the electric air conditioning compressor 13, the electric power steering oil pump 63, the DCDC (charging the low-voltage battery), and the like. The vehicle controller 66 is used for controlling the vehicle to work. The chassis driving motor controller 67 controls the chassis driving motor 3, high voltage is distributed to the chassis driving motor 3 through U, V, W three-phase lines, and when energy is returned in a braking working condition, electricity is reversely transmitted to the chassis driving motor controller 67, then the electricity is conducted to the battery high-voltage box, and then the battery assembly 31 is charged.

The battery cooling unit 68 is arranged facing rearward for heat dissipation. The pipe connection between the battery cooling unit 68 and the power battery assembly 31 is smooth, and the heat dissipation of the battery is facilitated from high to low. The upper-mounted driving motor controller 64 is used for controlling the upper-mounted driving motor 41 to work, and the wiring port and the water inlet and outlet pipe port of the upper-mounted driving motor controller 64 are arranged backwards, so that high-voltage line connection and cooling water pipe connection are facilitated.

The outer side wall of the first inner cavity of the integrated frame 6 is provided with an MSD switch 69, the name of the MSD switch is a manual maintenance switch, the MSD switch 69 is used for controlling the on-off of the high-voltage distribution box 61, the MSD switch 69 is arranged towards the outer side, the MSD switch 69 is disconnected when emergency or finished automobile maintenance is carried out, the high-voltage electricity of the finished automobile is cut off, and the safety protection effect is achieved. The outer surface sets up the switch door on integrated frame 6, keeps closing under the normal condition, prevents mistake plug MSD switch 69. The outer side wall of the third inner cavity of the integrated frame 6 is provided with a charging port 610 for charging by an external power supply.

The battery high-voltage distribution box is provided with an MSD switch, the battery high-voltage distribution box is connected with the positive pole and the negative pole of the battery through high-voltage wires, and the battery high-voltage distribution box distributes high-voltage electricity to the upper-loading driving motor controller 64, the chassis driving motor controller 67 and the like. The charging port 610 is connected to a battery high voltage distribution box to charge the battery assembly 31.

The top of the integrated frame 6 is provided with a battery cooling water supplementing kettle 611 and a driving motor cooling water supplementing kettle 612, and the battery cooling water supplementing kettle 611 is used for supplementing cooling liquid; the battery cooling water replenishing kettle 611 is adjacent to the battery cooling unit 68 and is used for replenishing water to a pipeline connecting the battery cooling unit 68 and the battery assembly 31.

As shown in fig. 5A and 5B, a top view and a side view of the frame assembly 1, respectively; on the basis of any one of the above technical scheme and intercombination, the utility model discloses in constitute longeron 11 of frame assembly 1 and be the individual layer setting, the anterior width of two longerons 11 is greater than the rear portion width, and engine 2, chassis driving motor 3 and gearbox 21 set up the great position of the anterior width at longeron 11.

The reinforcing plates are arranged at the joints of the cross beams 12 and the longitudinal beams 11, and are also arranged at the positions where the distance between the two longitudinal beams 11 changes, so that the structural strength is improved. The cross beams 12 arranged at the front and rear ends of the longitudinal beam 11 are respectively provided with towing hooks, and reinforcing beams are arranged at the towing hooks.

As shown in fig. 6A to 6C, a front view, a top view and a side view of the power battery assembly 31 are respectively shown; the power battery assembly 31 comprises battery fixing brackets 311 and battery packs 312, the battery fixing brackets 311 are groove-shaped, one battery pack 312 is placed in each battery fixing bracket 311, the battery fixing brackets 311 are stacked, disassembled and fixedly assembled, one battery pack 312 is installed in one battery fixing bracket 311 during installation, then the battery fixing bracket 311 and the battery pack 312 are integrally hoisted in place and fixed, the battery fixing bracket 311 on the lower layer is installed firstly, and then the battery fixing bracket 311 on the upper layer is installed, so that the installation operation is convenient.

The utility model also comprises a covering which surrounds the battery fixing bracket 311 and plays a role of protecting the battery pack 312; two fuse boxes 313 are fixedly installed outside the skin, the two fuse boxes 313 are respectively used for a circuit corresponding to the chassis driving motor 3 and a circuit corresponding to the engine 2, and the two sets of fuse systems respectively and independently realize overload protection.

In order to fully utilize the space, an air storage cylinder 16 and a dryer assembly 17 are arranged between the two longitudinal beams 11 of the frame assembly 1; the air cylinder 16 is used for providing brake gas for a pneumatic brake component, the dryer assembly 17 comprises a dryer, a condenser and a four-circuit valve assembly, and all components of the brake system are arranged adjacently so as to be convenient for brake pipeline connection.

An intercooler 29, an engine radiator 210 and an engine electromagnetic fan 211 are arranged in front of the engine 2;

an air filter assembly 212 and an air inlet assembly 213 are arranged above the outer side of the longitudinal beam 11, and air is supplied to the engine 2 through the air inlet assembly 213 and the air filter assembly 212.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (11)

1. A hybrid machineshop car, comprising:

the frame assembly (1) comprises a longitudinal beam (11) and a cross beam (12) which are fixedly connected with each other to form a frame;

the engine (2), the engine (2) and the gearbox (21) are arranged between the two longitudinal beams (11); the engine (2) outputs power through the gearbox (21); one of the longitudinal beams (11) is fixedly arranged on the outer side between the first bridge and the second bridge and is fixedly provided with an aftertreatment assembly (22), and a urea pot assembly (23), a two-stage oil-water separator assembly (24), a low-voltage battery frame assembly (25) and a fuel tank assembly (26) are fixedly arranged on the outer side between the second bridge and the middle bridge;

the chassis driving motor (3) is arranged in a collinear way with the engine (2) and the gearbox (21), and the chassis driving motor (3) outputs power through the gearbox (21); a power battery assembly (31) is fixedly arranged on the outer side of the other longitudinal beam (11);

the engineering upper assembly (4) is arranged at the rear part of the frame assembly (1);

and the cab (5) is arranged at the front part of the frame assembly (1).

2. Hybrid construction vehicle according to claim 1, further comprising an integration frame (6) arranged between the construction upper (4) and the cab (5);

the integrated frame (6) is transversely divided into three independent spaces, a controller is arranged in a second inner cavity of the middle part, a high-voltage distribution box (61) and a high-voltage wire fixing plate (613) are arranged in a first inner cavity on one side, and an electronic fan heat dissipation assembly (62) is arranged in a third inner cavity on the other side.

3. Hybrid construction vehicle according to claim 2, wherein the engine (2) is provided with a mechanical power steering oil pump (27), and the first inner cavity of the integrated frame (6) is provided with an electric power steering oil pump (63);

the steering oil can (14) and the steering gear (15) are installed on the frame assembly (1), and the mechanical power-assisted steering oil pump (27) and the electric power-assisted steering oil pump (63) can respectively and independently control the steering gear (15).

4. Hybrid construction vehicle according to claim 2, characterized in that a mechanical air conditioning compressor (28) is mounted on said engine (2) and an electric air conditioning compressor (13) is mounted on said frame assembly (1).

5. The hybrid construction vehicle according to claim 2, wherein the construction upper part (4) is a stirring tank, the frame assembly (1) is provided with an upper part driving motor (41), and the upper part driving motor (41) drives the construction upper part (4) to rotate.

6. The hybrid machineshop truck of claim 5, wherein the second inner cavity of the integrated frame (6) is vertically divided into three layers, and an upper-mounted driving motor controller (64) and an all-in-one controller (65) are arranged at the lower layer; the middle layer is provided with a vehicle control unit (66) and a chassis driving motor controller (67); the upper layer is provided with a battery cooling unit (68).

7. The hybrid machineshop truck according to claim 6, wherein an MSD switch (69) is disposed on an outer side wall of the first inner cavity of the integrated frame (6), and a charging port (610) is disposed on an outer side wall of the third inner cavity of the integrated frame (6);

and a battery cooling water supplementing kettle (611) and a driving motor cooling water supplementing kettle (612) are arranged at the top of the integrated frame (6).

8. Hybrid construction vehicle according to any one of claims 1 to 7, characterised in that the longitudinal beams (11) forming the frame assembly (1) are arranged in a single layer, the two longitudinal beams (11) having a front width greater than a rear width; the engine (2), the chassis driving motor (3) and the gearbox (21) are arranged in front of the longitudinal beam (11);

a reinforcing plate is arranged at the joint of the cross beam (12) and the longitudinal beam (11); and a reinforcing plate is arranged at the position where the distance between the two longitudinal beams (11) is changed.

9. Hybrid construction vehicle according to claim 8, wherein said power battery assembly (31) comprises a battery fixing bracket (311) and a battery pack (312), said battery fixing bracket (311) being stacked detachably fixed assembled;

further comprising a skin surrounding the battery fixing bracket (311); two fuse boxes (313) are fixedly arranged outside the skin.

10. Hybrid construction vehicle according to claim 9, characterised in that an air reservoir (16), a dryer assembly (17) is mounted between the two longitudinal beams (11) of the frame assembly (1).

11. Hybrid construction vehicle according to claim 8, characterised in that the engine (2) is frontally provided with an inter-cooler (29), an engine radiator (210) and an engine electromagnetic fan (211);

an air filter assembly (212) and an air inlet channel assembly (213) are arranged above the outer side of the longitudinal beam (11).

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