CN107264253B - Electric muck transport vehicle driving system and electric muck transport vehicle - Google Patents
Electric muck transport vehicle driving system and electric muck transport vehicle Download PDFInfo
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- CN107264253B CN107264253B CN201610216571.8A CN201610216571A CN107264253B CN 107264253 B CN107264253 B CN 107264253B CN 201610216571 A CN201610216571 A CN 201610216571A CN 107264253 B CN107264253 B CN 107264253B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/16—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
- B60P1/162—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms the hydraulic system itself
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0411—Arrangement in the front part of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
- B60R2300/105—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using multiple cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/806—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for aiding parking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Multimedia (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention provides an electric muck transport vehicle driving system and an electric muck transport vehicle, wherein the electric muck transport vehicle driving system comprises a power battery, a first integrated motor bridge for driving a first group of driving wheels of the electric muck transport vehicle to rotate, a hydraulic oil tank, a hydraulic lifting oil cylinder, a hydraulic oil pump connected to the power output end of the first integrated motor bridge and a power battery for supplying power to the first integrated motor bridge, and the hydraulic oil tank, the hydraulic lifting oil cylinder and the hydraulic oil pump are connected through pipelines to form a hydraulic loop. According to the driving system of the electric muck transport vehicle and the electric muck transport vehicle, the driving of the electric muck transport vehicle and the working of the hydraulic oil pump of the loading system are realized by the driving of the first integrated motor bridge, and the electric energy of the first integrated motor bridge is directly sourced from the power battery, so that the operation cost is lower, zero emission of pollutants is completely realized in the working process, and no pollution is caused to the environment.
Description
Technical Field
The invention belongs to the technical field of new energy automobiles, and particularly relates to a driving system of an electric muck transport vehicle and the electric muck transport vehicle.
Background
Under the double pressure of energy crisis and environmental pollution problems, the development of new energy vehicles which do not use petrochemicals as fuel is urgent. The automobile using the traditional internal combustion engine as a power driving system is greatly impacted, the revolution of the electric automobile is being developed, and the electromotion of the passenger vehicle and the commercial vehicle is also developed vigorously. The muck transport vehicle is used as one of commercial vehicles, makes great contribution to urban construction and muck transport all the time, has a clean, beautiful and comfortable living environment, can be called as a 'porter' of urban construction, and plays a great role in urban construction.
The driving system of the traditional muck transport vehicle takes an internal combustion engine as power and has the following defects:
the engine has large noise below the cab, greatly influences the comfort of a driver, and simultaneously influences the surrounding environment and people; the emission of the engine has great influence on the environment and is one of the main causes of the problem of environmental pollution; the energy utilization rate of the engine is low, the transmission system is complex, the loss is large, and the energy crisis and the environmental pollution are aggravated; the traditional muck transport vehicle has high oil consumption and high use cost; the oil tank of the traditional muck transport vehicle is generally arranged on one side of a vehicle frame, and the oil tank is filled with oil, so that the center of mass of the vehicle is greatly deviated relative to the left and right symmetric planes of the vehicle, the left and right wheel loads are unbalanced, the rollover possibility of the vehicle is increased, and the service life of tires is shortened. The operation condition of the muck transport vehicle is severe, and the traditional muck transport vehicle has a visual field blind area when backing and can sink into a pit when backing; when goods are loaded, the top cover is easy to be overloaded, so that the top cover is not tightly closed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a driving system of an electric muck truck aiming at the defects of high operation cost and easy environmental pollution of the existing muck truck adopting an internal combustion engine driving system.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an electronic dregs transport vechicle actuating system, include power battery, be used for driving the rotatory first integrated motor bridge of the first set of drive wheel of electronic dregs transport vechicle, hydraulic tank, hydraulic pressure lift cylinder, connect the hydraulic oil pump of the power take off end of first integrated motor bridge and be used for giving the power battery of the power supply of first integrated motor bridge, hydraulic tank, hydraulic pressure lift cylinder and hydraulic oil pump pass through the tube coupling in order to form hydraulic circuit.
Further, the drive system also includes a second integrated motor bridge for driving a second set of drive wheels of the electric muck truck into rotation.
Further, the first integrated motor bridge comprises a first driving motor, a first axle housing and a first transmission connected between the first driving motor and the first axle housing; the second integrated motor bridge comprises a second driving motor, a second axle housing and a second speed changer connected between the second driving motor and the second axle housing; and the power battery is electrically connected with the first driving motor and the second driving motor respectively and is used for supplying power to the first driving motor and the second driving motor.
According to the driving system of the electric muck transport vehicle, the driving of the electric muck transport vehicle and the working of the hydraulic oil pump of the upper loading system are realized through the first integrated motor bridge, and the electric energy of the first integrated motor bridge is directly sourced from the power battery, so that the operation cost is lower compared with the existing muck transport vehicle adopting an internal combustion engine driving system, zero emission of pollutants is completely achieved in the working process, and no pollution is caused to the environment.
In addition, the invention also provides an electric muck transport vehicle, which comprises a cab, a chassis, a top loading system and an electric system, wherein,
the chassis comprises a frame, a front axle, a middle axle and a rear axle, the cab is arranged at the upper part of the front of the frame, the front axle is connected to the lower part of the front of the frame, and the middle axle and the rear axle are connected to the lower part of the rear of the frame; one of the middle axle and the rear axle is a first integrated motor axle for driving a first group of driving wheels of the electric muck transport vehicle to rotate;
the loading system comprises a container arranged on the frame, a hydraulic oil tank, a hydraulic lifting oil cylinder and a hydraulic oil pump connected to the power output end of the first integrated motor bridge, and the hydraulic oil tank, the hydraulic lifting oil cylinder and the hydraulic oil pump are connected through pipelines to form a hydraulic loop;
the electric appliance system comprises a power battery for supplying power to the first integrated motor bridge and a first motor controller in signal connection with the first integrated motor bridge.
Furthermore, the middle axle is a first integrated motor axle for driving a first group of driving wheels of the electric muck truck to rotate, the rear axle is a second integrated motor axle for driving a second group of driving wheels of the electric muck truck to rotate, and the electric system further comprises a second motor controller in signal connection with the second integrated motor axle.
Further, the first integrated motor bridge comprises a first driving motor, a first axle housing and a first transmission connected between the first driving motor and the first axle housing, and the hydraulic oil pump is connected to a power output end of the first transmission; the second integrated motor bridge comprises a second driving motor, a second axle housing and a second speed changer connected between the second driving motor and the second axle housing; the power battery is electrically connected with the first driving motor and the second driving motor respectively and used for supplying power to the first driving motor and the second driving motor; the first driving motor and the second driving motor are both motor generators, and the first motor controller and the second motor controller are both bidirectional inversion charge-discharge type motor controllers.
Furthermore, a central control panel is arranged in the cab, a multimedia display screen is arranged on the central control panel, and a monitoring camera is arranged on a ceiling in the cab.
Furthermore, the top loading system further comprises a tarpaulin top cover used for sealing the opening above the container, a working illuminating lamp and a top cover camera which are arranged above the container, wherein the working illuminating lamp and the top cover camera are higher than the highest position of the container, a reversing camera is arranged at the tail part of the frame, and the top cover camera and the reversing camera are respectively connected to the multimedia display screen.
Furthermore, the power battery comprises an upper battery pack and a lower battery pack which are arranged below the cab, and a left battery pack and a right battery pack which are arranged on the left side and the right side of the frame, and the upper battery pack and the lower battery pack are connected in series to form a first group of power batteries; the left battery pack and the right battery pack are connected in series to form a second group of power batteries; after being connected in parallel, the first group of power batteries and the second group of power batteries respectively supply power to the first motor integrated bridge and the second motor integrated bridge through the first motor controller and the second motor controller; the power battery is integrally and symmetrically arranged relative to the left and right symmetric planes of the frame.
Further, electrical apparatus system is still including being used for carrying out the high tension switchgear, trinity controller, the setting that distribute the power and carry out to each high tension switchgear and be in the mouth that charges in the place ahead of right side battery package and set up the maintenance switch in the discharge circuit of the mouthful below and being in whole car high tension switchgear, trinity controller, first machine controller and second machine controller arrange at the frame middle part, just high tension switchgear, trinity controller, first machine controller and second machine controller are respectively for the bilateral symmetry plane symmetrical arrangement of frame, trinity controller is used for the control that turns to motor, air compressor and DC-DC converter.
According to the electric muck transport vehicle, the driving of the electric muck transport vehicle and the working of the hydraulic oil pump of the upper loading system are both realized by the driving of the first integrated motor bridge, and the electric energy of the first integrated motor bridge is directly sourced from the power battery, so that the operation cost is lower compared with the existing muck transport vehicle adopting an internal combustion engine driving system, the zero emission of pollutants is completely achieved in the working process, and the pollution to the environment is avoided.
Drawings
Fig. 1 is a side view (perspective) of an electric muck truck according to an embodiment of the present invention;
fig. 2 is a top view of an electric muck truck (with the cab removed and the loading system installed) according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a cab; 2. a frame; 3. a front axle; 4. a middle bridge; 5. a rear axle; 6. a first set of drive wheels; 7. a second set of drive wheels; 8. a front wheel; 9. a first motor controller; 10. a second motor controller; 11. a power battery; 111. an upper layer battery pack; 112. a lower layer battery pack; 113. a left battery pack; 114. a right battery pack; 12. a high voltage distribution box; 13. a three-in-one controller; 14. a charging port; 15. a maintenance switch; 16. a cargo box; 17. a hydraulic oil tank; 18. a hydraulic lifting cylinder; 19. a hydraulic oil pump; 20. a tarpaulin top cover; 21. a working lighting lamp; 22. a top cover camera; 23. camera backs a car.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, an electric muck truck according to an embodiment of the present invention includes a cab 1, a chassis, a loading system, and an electrical system.
Hereinafter, the front, rear, left, and right directions are referred to as arrow directions in fig. 2.
As shown in fig. 1 and 2, the chassis includes a frame 2, a front axle 3, a middle axle 4, and a rear axle 5, the cab 1 is disposed at an upper front portion of the frame 2, the front axle 3 is connected to a lower front portion of the frame 2, and the middle axle 4 and the rear axle 5 are connected to a lower rear portion of the frame 2. The front axle 3 is a steering axle, and the front axle 3 is connected to the lower part of the front of the frame 2 through a plate spring.
Of course, the complete chassis should also include suspension, wheels, steering and braking systems, etc. It is not so relevant to the present invention and will not be described in detail.
In the embodiment, the frame 2 is a variable cross-section frame, and is locally thickened into three layers, so that the strength and the torsion resistance of the frame 2 are improved.
In this embodiment, as shown in fig. 1, well axle 4 and rear axle 5 are integrated motor bridge, and integrated motor bridge has integrateed driving motor, derailleur and axle housing, and driving motor directly transmits power to the axle housing through the derailleur, has avoided traditional fuel vehicle transmission system complicated, and occupation space is big, the problem that the loss is high. Moreover, the distance between the middle axle 4 and the rear axle 5 is far away from the cab 1, so that the influence of noise on people in the cab 1 is small, and the comfort of a driver is improved. In addition, the middle axle 4 and the rear axle 5 are integrated motor axles, the middle axle and the rear axle are highly integrated, a transmission system is simple, and transmission efficiency is effectively improved.
The intermediate axle 4 and the rear axle 5 are hereinafter referred to as a first integrated motor axle and a second integrated motor axle, respectively. The first integrated motor bridge comprises a first driving motor, a first axle housing and a first transmission connected between the first driving motor and the first axle housing; the second integrated motor bridge comprises a second driving motor, a second axle housing and a second transmission connected between the second driving motor and the second axle housing.
In this embodiment, as shown in fig. 1, the first integrated motor axle is used to drive the first set of driving wheels 6 to rotate, the second integrated motor axle is used to drive the second set of driving wheels 7 to rotate, the first set of driving wheels 6 and the second set of driving wheels 7 form dual rear wheels, and the front axle 3 is connected to the front wheels 8 and drives the front wheels 8 to turn, so that a driving mode of the dual-motor integrated axle is formed.
As shown in fig. 1 and 2, the electrical system includes a first motor controller 9 connected to the first integrated motor bridge through a signal, a second motor controller 10 connected to the second integrated motor bridge through a signal, a power battery 11, a high voltage distribution box 12 for distributing and transmitting power to each high voltage electrical device, a three-in-one controller 13, a charging port 14, and a maintenance switch 15. And the power battery 11 is respectively electrically connected with a first driving motor of the first integrated motor bridge and a second driving motor of the second integrated motor bridge and used for supplying power to the first driving motor and the second driving motor. The three-in-one controller 13 is used for controlling the steering motor, the air compressor and the DC-DC converter.
As shown in fig. 1 and 2, the power battery 11 includes an upper battery pack 111 and a lower battery pack 112 disposed below the cab 1, and a left battery pack 113 and a right battery pack 114 disposed on the left and right sides of the frame 2, and the upper battery pack 111 and the lower battery pack 112 are connected in series to form a first group of power batteries; the left battery pack 113 and the right battery pack 114 are connected in series to form a second group of power batteries; the first group of power batteries and the second group of power batteries are connected in parallel and then respectively supply power to the first motor integrated bridge (the middle bridge 4) and the second motor integrated bridge (the rear bridge 5) through the first motor controller 9 and the second motor controller 10; the power battery 11 is symmetrically arranged relative to the left and right symmetric planes of the frame 2, so that the left and right axle loads of the whole vehicle are balanced, the condition that the mass center of the vehicle is seriously deviated is avoided, the side-turning possibility of the vehicle and the influence of wheel load imbalance on the service life of tires are reduced, and the safety of the whole vehicle is improved.
In addition, as shown in fig. 1 and fig. 2, high voltage distribution box 12, three-in-one controller 13, first motor controller 9 and second motor controller 10 are arranged at the middle part of frame 2, just high voltage distribution box 12, three-in-one controller 13, first motor controller 9 and second motor controller 10 are respectively arranged symmetrically with respect to the bilateral symmetry plane of frame 2. Thus, the load uniformity of the left and right wheels of the vehicle is ensured to the maximum extent.
In this embodiment, the power battery 11 is a battery with high capacity and high energy density, such as a lithium iron phosphate battery, a lithium manganese iron phosphate battery, or a lithium cobalt iron phosphate battery. The battery capacity 270Ah of each battery pack of the power battery 11 ensures that the voltage of the whole vehicle reaches 576V, the electric quantity of the whole vehicle reaches 311kWh, the driving range can reach 270km, and the normal operation of the muck transport vehicle in one day can be basically ensured by one-time charging. The pure electric operation industry in the use of the muck truck is environment-friendly and pollution-free, and the electricity price is far lower than the oil price, so that the operation cost can be effectively reduced.
In the present embodiment, as shown in fig. 1 and 2, the charging port 14 is provided in front of the right battery pack 113, and the maintenance switch 15 is provided below the charging port 14. The charging port 14 is a socket with an external charging gun.
In this embodiment, the first driving motor and the second driving motor are both motor generators, and the first motor controller 9 and the second motor controller 10 are both bidirectional inverter charge-discharge type motor controllers. The first motor controller 9 and the second motor controller 10 may charge the power battery 11 by using an external power source inserted into the charging port 14 and the electric power fed back by braking, and may control the electric power of the power battery 11 to be supplied to the first driving motor and the second driving motor to drive the vehicle to run. The motor generator converts the electric energy of the whole vehicle into mechanical energy when the vehicle is driven to run, and converts the mechanical energy of the whole vehicle into electric energy when the vehicle is braked; the bidirectional inversion charge-discharge type motor controller transmits the electric energy of the power battery to the motor generator when the vehicle is driven to run, and transmits the electric energy fed back by the motor generator to the power battery when the vehicle is braked, so that feedback charging is realized.
In this embodiment, the maintenance switch 15 is installed on the discharge loop of the whole vehicle high-voltage system, and when the vehicle needs to be maintained or is in an emergency state, the maintenance switch 15 can be pulled out, so as to prevent the vehicle from discharging at high voltage, and ensure the safety of the person and the vehicle.
In this embodiment, as shown in fig. 1, the top loading system includes a substantially U-shaped cargo box 16 disposed on the frame 2, a hydraulic oil tank 17, a hydraulic lift cylinder 18, and a hydraulic oil pump 19 connected to the power output end of the first integrated motor bridge, and the hydraulic oil tank 17, the hydraulic lift cylinder 18, and the hydraulic oil pump 19 are connected by pipelines to form a hydraulic circuit. The hydraulic oil tank 2 supplies hydraulic oil to the hydraulic circuit and is capable of filtering impurities in the hydraulic circuit. The hydraulic oil pump 19 pumps the oil in the hydraulic oil tank 2 into the hydraulic lift cylinder 18, and the cargo box 16 is tilted rearward to be discharged by lifting the hydraulic lift cylinder 3.
In the present embodiment, the hydraulic oil pump 19 is installed on the transmission of the integrated electric machine bridge of the middle axle 4, that is, the hydraulic oil pump 19 is connected to the power output end of the first transmission of the first integrated electric machine bridge. When the electric vehicle works, the electric vehicle is driven by the driving motor (the first driving motor) of the middle axle (the first integrated motor axle) 4, so that multiple functions of one part are realized, the manufacturing cost is saved, the structure is compact, and the space utilization rate is improved.
In this embodiment, a central control panel is arranged in the cab 1, a multimedia display screen is arranged on the central control panel, a monitoring camera is arranged on a ceiling in the cab 1, and a driver can be monitored through a background by means of the monitoring camera.
In this embodiment, the cargo box 16 is a novel environment-friendly U-shaped cargo box with a volume of 12.7m3The steel plate is formed by welding 8mm thick steel plates, and has strong bearing capacity.
The tarpaulin top cover 20 is arranged above the container 16 and used for sealing the opening above the container 16, and when the tarpaulin top cover 20 is closed, the muck and garbage can be prevented from spilling and polluting the environment during transportation of the vehicle. The tarpaulin top cover 20 adopts the electronic mode of expansion, and when the vehicle was filled with the goods, the tarpaulin top cover 20 was received to one side, and after the vehicle was filled with the goods, the tarpaulin top cover 20 was expanded completely, and airtight the opening in the packing box 16 top prevents that the vehicle from spilling soil and leaking the material in the transportation engineering. Switches for controlling the deployment of the tarpaulin canopy 20 are integrated on the control panel of the cab.
As shown in fig. 1, the top loading system further comprises a work illumination lamp 21 and a top cover camera 22 which are arranged above the cargo box 16, the work illumination lamp 21 and the top cover camera 22 are higher than the highest part of the cargo box 16, and the work illumination lamp 20 can provide illumination at the tarpaulin top cover 20 at night.
In addition, as shown in fig. 1, a reversing camera 23 is arranged at the tail part of the frame 2, the roof camera 22 and the reversing camera 20 are respectively connected to a multimedia display screen in the cab 1, and the multimedia display screen can be switched to the image screens of the roof camera 22 and the reversing camera 20. In this way, the driver can monitor the vehicle loading and the deployment of the tarpaulin canopy 20 by the canopy camera 21 in the cab 1, and can monitor the road surface condition behind the vehicle by the backing camera 20 during backing, thereby preventing the tire from sinking into the pit.
According to the electric muck transport vehicle provided by the embodiment of the invention, the driving of the electric muck transport vehicle and the working of the hydraulic oil pump of the upper system are realized by driving the first integrated motor bridge and the second integrated motor bridge, and the electric energy of the first integrated motor bridge and the second integrated motor bridge is directly sourced from the power battery, so that the operation cost is lower compared with the existing muck transport vehicle adopting an internal combustion engine driving system, zero emission of pollutants is completely achieved in the working process, and no pollution is caused to the environment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A driving system of an electric muck transport vehicle is characterized by comprising a power battery, a first integrated motor bridge, a hydraulic oil tank, a hydraulic lifting oil cylinder and a hydraulic oil pump, wherein the first integrated motor bridge is used for driving a first group of driving wheels of the electric muck transport vehicle to rotate; the driving system also comprises a second integrated motor bridge for driving a second group of driving wheels of the electric muck transport vehicle to rotate; the first integrated motor bridge comprises a first driving motor, a first axle housing and a first transmission connected between the first driving motor and the first axle housing; the second integrated motor bridge comprises a second driving motor, a second axle housing and a second speed changer connected between the second driving motor and the second axle housing; the power battery is electrically connected with the first driving motor and the second driving motor respectively and used for supplying power to the first driving motor and the second driving motor; the first set of drive wheels and the second set of drive wheels form dual rear wheels; the power battery pack comprises an upper battery pack and a lower battery pack which are arranged below a cab of the electric muck transport vehicle, and a left battery pack and a right battery pack which are arranged on the left side and the right side of a frame of the electric muck transport vehicle, wherein the upper battery pack and the lower battery pack are connected in series to form a first group of power batteries; the left battery pack and the right battery pack are connected in series to form a second group of power batteries; the power battery is integrally and symmetrically arranged relative to the left and right symmetric planes of the frame.
2. An electric muck transport vehicle is characterized by comprising a cab, a chassis, a top loading system and an electric system, wherein,
the chassis comprises a frame, a front axle, a middle axle and a rear axle, the cab is arranged at the upper part of the front of the frame, the front axle is connected to the lower part of the front of the frame, and the middle axle and the rear axle are connected to the lower part of the rear of the frame; the middle axle is a first integrated motor axle for driving a first group of driving wheels of the electric muck transport vehicle to rotate, the rear axle is a second integrated motor axle for driving a second group of driving wheels of the electric muck transport vehicle to rotate, the first integrated motor axle is used for driving the first group of driving wheels to rotate, the second integrated motor axle is used for driving the second group of driving wheels to rotate, and the middle axle and the rear axle form a driving mode of a double-motor integrated axle;
the loading system comprises a container arranged on the frame, a hydraulic oil tank, a hydraulic lifting oil cylinder and a hydraulic oil pump connected to the power output end of the first integrated motor bridge, and the hydraulic oil tank, the hydraulic lifting oil cylinder and the hydraulic oil pump are connected through pipelines to form a hydraulic loop;
the electric appliance system comprises a power battery for supplying power to the first integrated motor bridge and the second integrated motor bridge, a first motor controller in signal connection with the first integrated motor bridge, and a second motor controller in signal connection with the second integrated motor bridge;
the power battery comprises an upper battery pack and a lower battery pack which are arranged below the cab, and a left battery pack and a right battery pack which are arranged on the left side and the right side of the frame, and the upper battery pack and the lower battery pack are connected in series to form a first group of power batteries; the left battery pack and the right battery pack are connected in series to form a second group of power batteries; the first group of power batteries and the second group of power batteries are connected in parallel and then respectively supply power to the first integrated motor bridge and the second integrated motor bridge through the first motor controller and the second motor controller; the power battery is integrally and symmetrically arranged relative to the left and right symmetric planes of the frame.
3. The electric muck haulage vehicle of claim 2, wherein the first integrated motor axle comprises a first drive motor, a first axle housing, and a first transmission connected between the first drive motor and the first axle housing, and the hydraulic oil pump is connected to a power output end of the first transmission; the second integrated motor bridge comprises a second driving motor, a second axle housing and a second speed changer connected between the second driving motor and the second axle housing; the power battery is electrically connected with the first driving motor and the second driving motor respectively and used for supplying power to the first driving motor and the second driving motor; the first driving motor and the second driving motor are both motor generators, and the first motor controller and the second motor controller are both bidirectional inversion charge-discharge type motor controllers.
4. The electric muck transport vehicle as claimed in claim 2, wherein a central control panel is arranged in the cab, a multimedia display screen is arranged on the central control panel, and a monitoring camera is arranged on a ceiling in the cab.
5. The electric muck transport vehicle of claim 2, wherein the top loading system further comprises a tarpaulin top cover for sealing the opening above the container, a working lighting lamp and a top cover camera arranged above the container, the working lighting lamp and the top cover camera are higher than the highest position of the container, a reversing camera is arranged at the tail of the frame, and the top cover camera and the reversing camera are respectively connected to a multimedia display screen.
6. The electric muck transporting vehicle of claim 2, wherein the electric system further comprises a high voltage distribution box, a three-in-one controller, a charging port and a maintenance switch, the charging port is used for distributing and transporting power to each high voltage electric device, the maintenance switch is arranged at the charging port in front of the right battery pack, the maintenance switch is arranged below the charging port and in a discharging loop of the whole high voltage system, the high voltage distribution box, the three-in-one controller, the first motor controller and the second motor controller are arranged in the middle of the frame, the high voltage distribution box, the three-in-one controller, the first motor controller and the second motor controller are symmetrically arranged relative to the left and right symmetry plane of the frame, and the three-in-one controller is used for controlling the steering motor, the air compressor and the DC-DC converter.
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| CN201610216571.8A CN107264253B (en) | 2016-04-08 | 2016-04-08 | Electric muck transport vehicle driving system and electric muck transport vehicle |
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| US20200346556A1 (en) | 2019-05-03 | 2020-11-05 | Oshkosh Corporation | Battery storage system for electric refuse vehicle |
| US11505084B2 (en) * | 2019-05-03 | 2022-11-22 | Oshkosh Corporation | Battery placement for electric refuse vehicle |
| CN112590609B (en) * | 2020-12-24 | 2022-10-14 | 华能伊敏煤电有限责任公司 | Wide-body dump truck with independent battery replacement at two sides |
| CN114643925B (en) * | 2022-05-19 | 2022-07-29 | 江阴市洪腾机械有限公司 | Automobile awning structure driving platform with awning |
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