CN115891801A - Pure electric underground ore transportation dump truck - Google Patents
Pure electric underground ore transportation dump truck Download PDFInfo
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- CN115891801A CN115891801A CN202310016245.2A CN202310016245A CN115891801A CN 115891801 A CN115891801 A CN 115891801A CN 202310016245 A CN202310016245 A CN 202310016245A CN 115891801 A CN115891801 A CN 115891801A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
A pure electric underground ore-transporting dump truck comprises a chassis assembly, a cab assembly, a power battery system, an electric transmission system, a whole truck control system and a water cooling system; the chassis assembly comprises a frame, a front axle, a rear axle and a hydraulic module; the power battery system is arranged between a cab assembly and a container of the dump truck, the power battery system comprises a battery box, a battery pack, a high-voltage box, a charging box and a battery management system BMS, the electric transmission system is arranged in the middle of a frame, the electric transmission system comprises a traction motor, a gearbox, a transmission shaft and a controller, the whole vehicle control system comprises a vehicle control unit VCU, a traction control unit DCU, an auxiliary converter unit ACU, the battery management system BMS, a thermal management system TMS, a combined instrument and a data recorder, and by adopting the scheme, the pure electric underground ore-transporting dump truck is provided and has the characteristics of low carbon, reasonable structural design and low maintenance cost.
Description
Technical Field
The invention relates to an underground ore-transporting dump truck, in particular to a pure electric underground ore-transporting dump truck.
Background
Underground dump truck mainly uses in the nonmetal underground mine of metal for the ore and the cubic metre of earth and stone of transportation underground mine, underground mine is the traditional diesel engine drive form basically all at present, because underground mine tunnel is in the encapsulated situation, and the mine car exhaust emission is very difficult in time to be discharged, has very big pollution in the tunnel, seriously influences operation personnel's physical and mental health, also increases the mine ventilation administrative cost simultaneously. The diesel oil mine trucks need to be maintained regularly, the maintenance cost is high, and a large amount of ventilation cost needs to be invested by mines to improve the air quality of the roadway. Is not beneficial to the sustainable development of mines, and therefore, needs to be improved.
Disclosure of Invention
The invention aims to provide a pure electric underground ore-transporting dump truck which is driven by a power battery and has the characteristics of low carbon, reasonable structural design and low maintenance cost. In order to achieve the purpose, the invention adopts the following technical scheme:
a pure electric underground ore-transporting dump truck comprises a chassis assembly, a cab assembly, a power battery system, an electric transmission system, a whole truck control system and a water cooling system; the chassis assembly comprises a frame, a front axle, a rear axle and a hydraulic module; the power battery system is arranged between the cab assembly and a container of the dump truck, the power battery system comprises a battery box, a battery pack, a high-voltage box, a charging box and a battery management system BMS, the battery box comprises two or more layers of supports, the battery pack is placed on the supports, the high-voltage box, the charging box and the battery management system BMS are arranged on the supports at the lowest layer, and a charging socket is arranged on the charging box; the electric transmission system is arranged in the middle of the frame and comprises a traction motor, a gearbox, a transmission shaft and a controller, wherein the controller converts direct current output by the power battery system into alternating current with adjustable voltage and frequency and regulates the speed of the traction motor; the whole vehicle control system comprises a vehicle control unit VCU, a traction control unit DCU, an auxiliary current transformation unit ACU, a battery management system BMS, a thermal management system TMS, a combination instrument and a data recorder, and the CAN bus is adopted for communication to realize whole vehicle state detection, high-voltage power-on/power-off control, traction transmission control, direction control, electric slow running control, charging control and power-off delay control.
Furthermore, the hydraulic module includes hydraulic tank, hydraulic pressure turns to unit, hydraulic pressure lifting unit and hydraulic braking unit, the hydraulic pressure turns to the unit including connecting gradually first electronic vane pump, steering valve group and turning to the jar, first electronic vane pump is connected with hydraulic tank's the end that produces oil, turns to the jar and is connected with hydraulic tank's oil return end.
Furthermore, the hydraulic lifting unit comprises a gear pump, a hydraulic lifting control valve bank, a pneumatic control assembly, a lifting cylinder and a power takeoff, wherein the pneumatic control assembly comprises a compressor, an air cylinder and a pneumatic control valve bank, the gear pump pumps out hydraulic oil in the hydraulic oil tank and enters the lifting cylinder through the hydraulic lifting control valve bank, the lifting of the lifting cylinder is controlled through the hydraulic lifting control valve bank, a traction motor of the dump truck drives the gear pump to work through a transmission and the power takeoff, the pneumatic control valve bank controls the power takeoff to be connected with or separated from the gear pump, and the pneumatic control valve bank controls the hydraulic lifting control valve bank.
Furthermore, the hydraulic brake unit comprises a second electric vane pump, a brake valve group, an energy accumulator, a brake piston cylinder, a brake operating mechanism and a brake executing mechanism, the second electric vane pump pumps out hydraulic oil in the hydraulic oil tank and enters the brake piston cylinder through the brake valve group, the brake valve group controls the brake piston cylinder to work, the brake operating mechanism controls the brake valve group, and the brake piston cylinder controls the brake executing mechanism to brake the wheel.
Furthermore, the frame comprises two longitudinal beams, a front cross beam, a lifting cross beam, a second cross beam, a third cross beam and a rear cross beam which are arranged between the two longitudinal beams at intervals in sequence, the front ends of the two longitudinal beams are provided with bumpers, and the lifting cross beam is provided with a mounting position for mounting a lifting cylinder of the dump truck.
Furthermore, the water cooling system comprises a water pump, a radiator assembly, a traction motor built-in pipeline, a controller built-in pipeline, a water tank and a connecting pipeline, wherein the water tank, the water pump, the radiator assembly, the traction motor built-in pipeline and the controller built-in pipeline are connected through the connecting pipeline.
Further, the battery box is detachably installed on the frame, the battery box comprises four layers of supports, skins are arranged on the periphery of the battery box, and the skins are of detachable cabinet door structures.
By adopting the technical scheme, a specific pure electric underground ore transporting dump truck setting scheme is provided, and the dump truck adopts an electric driving mode, so that the maintenance cost of the dump truck is reduced, and the air quality of a roadway is improved. Is beneficial to the sustainable development of mines.
Drawings
Fig. 1 is a schematic view of a dump truck.
FIG. 2 is a schematic view of a power battery system mounted on a vehicle frame.
Fig. 3 is a schematic view of the inside of the battery case.
Fig. 4 is a topological diagram of a hydraulic lifting unit.
Fig. 5 is a topology diagram of a hydraulic steering unit.
Fig. 6 is a topological diagram of a hydraulic brake unit.
Detailed Description
The invention is described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, the pure electric underground ore-transporting dump truck comprises a chassis assembly 1, a cab assembly 2, a power battery system 3, an electric transmission system, a whole truck control system and a water cooling system.
The chassis assembly 1 comprises a frame, a front axle, a rear axle and a hydraulic module.
The frame comprises two longitudinal beams 4, a front cross beam 5, a lifting cross beam 6, a second cross beam 7, a third cross beam 8 and a rear cross beam 9 which are arranged between the two longitudinal beams 4 at intervals in sequence, the front ends of the two longitudinal beams 4 are provided with bumpers 10, and the lifting cross beam 6 is provided with a mounting position for mounting a lifting cylinder of the dumper. The longitudinal beam 4 and the cross beams of the frame are riveted, and the riveted frame has the characteristics of tight connection, high stability and low production cost.
The hydraulic module comprises a hydraulic oil tank, a hydraulic steering unit, a hydraulic lifting unit and a hydraulic braking unit, wherein the hydraulic steering unit comprises a first electric vane pump, a steering valve group and a steering cylinder which are sequentially connected, the first electric vane pump is connected with the oil outlet end of the hydraulic oil tank, and the steering cylinder is connected with the oil return end of the hydraulic oil tank. The hydraulic lifting unit comprises a gear pump, a hydraulic lifting control valve group, a pneumatic control assembly, a lifting cylinder and a power takeoff, wherein the pneumatic control assembly comprises a compressor, an air cylinder and a pneumatic control valve group, the gear pump pumps out hydraulic oil in a hydraulic oil tank and enters the lifting cylinder through the hydraulic lifting control valve group, the lifting of the lifting cylinder is controlled through the hydraulic lifting control valve group, a traction motor of the dump truck works through a transmission and the power takeoff to drive the gear pump, the pneumatic control valve group controls the power takeoff to be connected with or separated from the gear pump, and the pneumatic control valve group controls the hydraulic lifting control valve group. The hydraulic brake unit comprises a second electric vane pump, a brake valve group, an energy accumulator, a brake piston cylinder, a brake operating mechanism and a brake executing mechanism, the second electric vane pump pumps out hydraulic oil in the hydraulic oil tank and the hydraulic oil enters the brake piston cylinder through the brake valve group, the brake valve group controls the brake piston cylinder to work, the brake operating mechanism controls the brake valve group, and the brake piston cylinder controls the brake executing mechanism to brake the wheel.
The removable setting of power battery system 3 is between the packing box of driver's cabin assembly 2 and tipper, driver's cabin assembly 2 and packing box can carry out better protection to power battery system 3, power battery system 3 includes battery box 11, battery package 12, high-voltage box 13, charging box and battery management system BMS, battery box 11 is removable installs on the frame, battery box 11 includes four layers of support, battery box 11's periphery is provided with covering 16, covering 16 is removable cabinet door structure, battery package 12 is placed on the support, high-voltage box 13, charging box and battery management system BMS install on the support of lower floor, be provided with charging socket 17 on the charging box.
The electric transmission system is arranged in the middle of the frame, the electric transmission system comprises a traction motor, a gearbox, a transmission shaft and a controller, the controller converts direct current output by the power battery system 3 into alternating current with adjustable voltage and frequency, the traction motor is regulated in speed, the gearbox is rigidly connected with the traction motor, an output shaft of the gearbox is connected with a rear axle transmission shaft of the dump truck, and output torque of the traction motor is transmitted to wheels through the gearbox, a rear axle differential and a wheel-side reducer.
The water cooling system comprises a water pump, a radiator assembly, a traction motor built-in pipeline, a controller built-in pipeline, a water tank and a connecting pipeline, wherein the water tank, the water pump, the radiator assembly, the traction motor built-in pipeline and the controller built-in pipeline are connected through the connecting pipeline, and the traction motor and the controller are effectively cooled through the water cooling system.
The whole vehicle control system comprises a vehicle control unit VCU, a traction control unit DCU, an auxiliary current transformation unit ACU, a battery management system BMS, a thermal management system TMS, a combination instrument and a data recorder, and adopts a CAN bus for communication to realize whole vehicle state detection, high-voltage power-on/power-off control, traction transmission control, direction control, electric slow running control, charging control and power-off delay control.
By adopting the technical scheme, a specific setting scheme of the pure electric underground ore-transporting dump truck is provided, and the power battery is used as power sources of the dump truck in aspects of power, hydraulic pressure, control and the like, so that the maintenance cost of the dump truck is reduced, and the air quality of a roadway is improved. Is beneficial to the sustainable development of mines.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications, combinations and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a pure electric underground ore transportation tipper which characterized in that: the system comprises a chassis assembly, a cab assembly, a power battery system, an electric transmission system, a whole vehicle control system and a water cooling system;
the chassis assembly comprises a frame, a front axle, a rear axle and a hydraulic module; the power battery system is arranged between the cab assembly and a container of the dump truck, the power battery system comprises a battery box, a battery pack, a high-voltage box, a charging box and a battery management system BMS, the battery box comprises two or more layers of supports, the battery pack is placed on the supports, the high-voltage box, the charging box and the battery management system BMS are arranged on the supports at the lowest layer, and a charging socket is arranged on the charging box;
the electric transmission system is arranged in the middle of the frame and comprises a traction motor, a gearbox, a transmission shaft and a controller, wherein the controller converts direct current output by the power battery system into alternating current with adjustable voltage and frequency and regulates the speed of the traction motor;
the whole vehicle control system comprises a vehicle control unit VCU, a traction control unit DCU, an auxiliary converter unit ACU, a battery management system BMS, a thermal management system TMS, a combination instrument and a data recorder, and the CAN bus is adopted for communication, so that the whole vehicle state detection, the high-voltage power-on/power-off control, the traction transmission control, the direction control, the electric slow-moving control, the charging control and the power-off delay control are realized.
2. The electric underground ore transfer dump truck according to claim 1, wherein: the hydraulic module comprises a hydraulic oil tank, a hydraulic steering unit, a hydraulic lifting unit and a hydraulic braking unit, wherein the hydraulic steering unit comprises a first electric vane pump, a steering valve group and a steering cylinder which are sequentially connected, the first electric vane pump is connected with the oil outlet end of the hydraulic oil tank, and the steering cylinder is connected with the oil return end of the hydraulic oil tank.
3. The all-electric underground ore transfer dumper according to claim 2, characterized in that: the hydraulic lifting unit comprises a gear pump, a hydraulic lifting control valve group, a pneumatic control assembly, a lifting cylinder and a power takeoff, wherein the pneumatic control assembly comprises a compressor, an air cylinder and a pneumatic control valve group, the gear pump pumps out hydraulic oil in the hydraulic oil tank and enters the lifting cylinder through the hydraulic lifting control valve group, the lifting of the lifting cylinder is controlled through the hydraulic lifting control valve group, a traction motor of the dump truck drives the gear pump to work through a transmission and the power takeoff, the pneumatic control valve group controls the power takeoff to be connected with or separated from the gear pump, and the pneumatic control valve group controls the hydraulic lifting control valve group.
4. The all-electric underground ore transfer dumper according to claim 2, characterized in that: the hydraulic brake unit comprises a second electric vane pump, a brake valve group, an energy accumulator, a brake piston cylinder, a brake operating mechanism and a brake executing mechanism, the second electric vane pump pumps out hydraulic oil in the hydraulic oil tank and the hydraulic oil enters the brake piston cylinder through the brake valve group, the brake valve group controls the brake piston cylinder to work, the brake operating mechanism controls the brake valve group, and the brake piston cylinder controls the brake executing mechanism to brake the wheel.
5. The electric underground ore transfer dump truck according to claim 1, wherein: the frame comprises two longitudinal beams, a front cross beam, a lifting cross beam, a second cross beam, a third cross beam and a rear cross beam, wherein the front cross beam, the lifting cross beam, the second cross beam, the third cross beam and the rear cross beam are arranged between the two longitudinal beams at intervals in sequence, the front ends of the two longitudinal beams are provided with bumpers, and the lifting cross beam is provided with mounting positions for mounting a lifting cylinder of a dumper.
6. The electric underground ore transfer dump truck according to claim 1, wherein: the water cooling system comprises a water pump, a radiator assembly, a traction motor built-in pipeline, a controller built-in pipeline, a water tank and a connecting pipeline, wherein the water tank, the water pump, the radiator assembly, the traction motor built-in pipeline and the controller built-in pipeline are connected through the connecting pipeline.
7. The electric underground ore transfer dump truck according to claim 1, wherein: the battery box is detachably installed on the frame and comprises four layers of supports, skins are arranged on the periphery of the battery box, and the skins are of detachable cabinet door structures.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022116384171 | 2022-12-20 | ||
| CN202211638417 | 2022-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115891801A true CN115891801A (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310016245.2A Pending CN115891801A (en) | 2022-12-20 | 2023-01-06 | Pure electric underground ore transportation dump truck |
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| Country | Link |
|---|---|
| CN (1) | CN115891801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117141218A (en) * | 2023-10-31 | 2023-12-01 | 江苏速豹动力科技有限公司 | Power battery system and vehicle |
-
2023
- 2023-01-06 CN CN202310016245.2A patent/CN115891801A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117141218A (en) * | 2023-10-31 | 2023-12-01 | 江苏速豹动力科技有限公司 | Power battery system and vehicle |
| CN117141218B (en) * | 2023-10-31 | 2024-02-23 | 江苏速豹动力科技有限公司 | Power battery system and vehicle |
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