CN218558536U - Pure electric crane whole vehicle system and crane - Google Patents
Pure electric crane whole vehicle system and crane Download PDFInfo
- Publication number
- CN218558536U CN218558536U CN202222779157.1U CN202222779157U CN218558536U CN 218558536 U CN218558536 U CN 218558536U CN 202222779157 U CN202222779157 U CN 202222779157U CN 218558536 U CN218558536 U CN 218558536U
- Authority
- CN
- China
- Prior art keywords
- motor
- hydraulic
- steering
- controller
- power battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a pure electric crane whole vehicle system and a crane, which comprises a power battery pack, a whole vehicle controller connected with the power battery pack, and a driving system, a chassis hydraulic system, a loading hydraulic system and a rotary lifting system which are respectively connected with the power battery pack and the whole vehicle controller; the driving system and the chassis hydraulic system comprise a first motor controller and a driving motor which are shared, and the boarding hydraulic system and the rotary lifting system comprise independent motor controllers and motors. The utility model discloses simple structure, the noise is low in the travel and the working process, safe and reliable, the tail gas zero release, green has avoided driving system to match surplus problem simultaneously.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, concretely relates to whole car system of pure electric crane and hoist.
Background
With the global shortage of energy and the increasing severity of environmental pollution, the global call for energy conservation and emission reduction is higher and higher. The diesel engine is widely used for providing working power in the engineering field, and a series of problems of high energy consumption, environmental pollution caused by tail gas and the like exist. The automobile crane is a typical engineering machine, and the oil consumption and the tail gas pollution are serious. Various types of hybrid type automobile cranes have been developed in order to improve fuel efficiency and reduce environmental impact. However, the problems of pollutant emission, large working noise and incapability of exerting engine power under partial working conditions caused by the engine cannot be avoided.
The existing automobile crane has the following defects in the working process: (1) The engine is used as a main power source, and the problems of tail gas pollution, noise pollution and the like exist; (2) For tail gas pollution, a corresponding tail gas treatment device is required to be equipped to reduce the content of pollutant emission in the tail gas, so that the use cost of the whole vehicle is increased; (3) Under the same power, the fuel oil is not high in use efficiency and economical efficiency compared with the motor drive.
Disclosure of Invention
An object of the utility model is to overcome not enough among the prior art, provide a whole car system of electricelectric moves hoist and hoist, simple structure, the noise is low in going and the working process, safe and reliable, the zero release of tail gas, green has avoided driving system to match excessive problem simultaneously.
The utility model provides a following technical scheme:
the first aspect provides a complete vehicle system of a pure electric crane, which comprises a power battery pack, a complete vehicle controller connected with the power battery pack, and a driving system, a chassis hydraulic system, a loading hydraulic system and a rotary lifting system which are respectively connected with the power battery pack and the complete vehicle controller;
the driving system and the chassis hydraulic system comprise a first motor controller and a driving motor which are shared, and the boarding hydraulic system and the rotary lifting system comprise independent motor controllers and motors.
Further, actuating system still includes clutch, gearbox, axle and wheel, vehicle control unit and power battery group connect first machine controller respectively, driving motor is connected to first machine controller, driving motor passes through the clutch and connects the gearbox, the transfer case is connected to the gearbox, axle and wheel are connected to the transfer case, install braking energy recovery unit on the wheel.
Further, chassis hydraulic system still includes first hydraulic assembly and the gearbox of sharing with actuating system, first hydraulic assembly includes first hydraulic pump and first hydraulic valve group, first hydraulic pump is connected to the gearbox, first hydraulic pump connects first hydraulic valve group and hydraulic tank respectively.
Furthermore, the hydraulic system of getting on bus includes second motor controller, first motor and second hydraulic assembly, the second hydraulic assembly includes second hydraulic pump and second hydraulic pressure valves, vehicle control unit and power battery group connect second motor controller respectively, first motor is connected to second motor controller, second hydraulic pump is connected to first motor, second hydraulic pump and hydraulic tank are connected respectively to the second hydraulic pump.
Further, the rotary lifting system comprises a rotary table rotary mechanism, a main hoisting mechanism, an auxiliary hoisting mechanism and an energy recovery device, wherein the rotary table rotary mechanism, the main hoisting mechanism and the auxiliary hoisting mechanism respectively comprise an independent third motor controller, a second motor, a speed reducer and an execution mechanism, the whole vehicle controller and the power battery pack are respectively connected with the third motor controller, the third motor controller is connected with the second motor, the second motor is connected with the speed reducer, and the speed reducer is connected with the execution mechanism.
Further, still include the gas circuit system, the gas circuit system includes electric air compressor machine, desicator, pneumatic valves and execute component, electric air compressor machine is connected respectively to vehicle control unit and power battery group, air filter assembly is connected to electric air compressor machine's inlet end, and the end connection desicator of giving vent to anger, pressure switch is installed to the desicator, pneumatic valves and vehicle control unit are connected to pressure switch, execute component is connected to pneumatic valves.
Further, the auxiliary system comprises a steering system, an air conditioner and an electrical equipment power supply system.
Further, a steering system comprises a fourth motor controller, a steering motor, a steering oil pump, a steering gear, a steering hydraulic system and a steering rod system, the vehicle control unit and the power battery pack are respectively connected with the fourth motor controller, the fourth motor controller is connected with the steering motor, the steering motor is connected with the steering oil pump, the steering oil pump is connected with the steering gear and the hydraulic oil tank, and the steering gear is connected with the steering hydraulic system and the steering rod system.
Further, the air conditioner comprises a third motor and an air compressor connected with the third motor, and the vehicle control unit and the power battery pack are respectively connected with the third motor.
In a second aspect, a crane is provided, and the pure electric crane complete vehicle system comprises the pure electric crane complete vehicle system.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model utilizes the power battery pack as the power source of the crane, has simpler structure, low noise in the running and working processes, safety, reliability and convenient maintenance, realizes zero emission of tail gas, and is more green and environment-friendly;
(2) The utility model adopts the motor matched with the power battery pack, the motor is used under the same power, the efficiency of the motor is higher than that of the engine, and the electricity consumption cost of the motor is far lower than the fuel oil cost, thereby greatly reducing the construction cost;
(3) The utility model discloses split into a plurality of subsystems according to different service functions, can be equipped with corresponding motor and motor control device to every subsystem, ensure the power matching of every subsystem, avoided the power system to match the excessive problem;
(4) The utility model provides a hoist can work in the rarefied, confined occasion of some air, and the performance is not influenced, has widened the application of hoist.
Drawings
Fig. 1 is a schematic structural diagram of a complete vehicle system of a pure electric crane in the embodiment of the present invention;
fig. 2 is a schematic structural diagram of a driving system in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a chassis hydraulic system according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a boarding hydraulic system in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a swing hoisting system according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an air path system in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a steering system in an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1, the present embodiment provides a pure electric crane complete vehicle system, which includes a power battery pack, a complete vehicle controller connected to the power battery pack, and a driving system, a chassis hydraulic system, a loading hydraulic system, and a rotation lifting system, which are respectively connected to the power battery pack and the complete vehicle controller.
As shown in fig. 2, the driving system includes a first motor controller, a driving motor, a clutch, a gearbox, an axle and wheels, the vehicle controller and the power battery pack are respectively connected to the first motor controller, the first motor controller is connected to the driving motor, the driving motor is connected to the gearbox through the clutch, the gearbox is connected to the transfer case, the transfer case is connected to the axle and the wheels, and the transfer case is selectively assembled according to the number of the axles. The power of the driving motor is transmitted to the axle and the wheels through the transmission shaft to drive the whole vehicle to run. And a braking energy recovery device is arranged on the wheel, so that the cruising ability of the power battery is improved.
As shown in fig. 3, the chassis hydraulic system includes a first motor controller, a driving motor, a transmission case and a first hydraulic assembly, which are shared by the driving system, the first hydraulic assembly includes a first hydraulic pump and a first hydraulic valve bank, the transmission case is connected to the first hydraulic pump, and the first hydraulic pump is respectively connected to the first hydraulic valve bank and the hydraulic oil tank. When the crane stops working, the output torque of the driving motor is transmitted to a chassis hydraulic system through the power takeoff, and the extension and retraction of the horizontal and vertical supporting legs are controlled through a first hydraulic valve group (such as a multi-way valve group).
As shown in fig. 4, the getting-on hydraulic system includes a second motor controller, a first motor and a second hydraulic assembly, the second hydraulic assembly includes a second hydraulic pump and a second hydraulic valve bank, the vehicle control unit and the power battery pack are respectively connected to the second motor controller, the second motor controller is connected to the first motor, the first motor is connected to the second hydraulic pump, and the second hydraulic pump is respectively connected to the second hydraulic valve bank and the hydraulic oil tank. During operation, the first motor directly drives the second hydraulic pump to provide power, and then the amplitude and the stretching of the upper vehicle extending arm are controlled through the second hydraulic valve group. The chassis hydraulic system and the boarding hydraulic system are provided with independent hydraulic components, so that energy loss caused by the fact that a hydraulic pipeline passes through a central revolving body (a mechanism for connecting a boarding oil supply channel and a chassis oil supply channel) is reduced.
In other embodiments, the chassis hydraulic system and the boarding hydraulic system can also share a hydraulic component, and an independent motor directly drives a hydraulic pump to serve as an energy source of the whole hydraulic system, wherein the hydraulic system mainly controls the extension and retraction of the lower landing leg and the amplitude and extension of the upper arm in the operation process.
As shown in fig. 5, the rotary lifting system includes a rotary table rotation mechanism, a main hoisting mechanism, an auxiliary hoisting mechanism and an energy recovery device, the rotary table rotation mechanism, the main hoisting mechanism and the auxiliary hoisting mechanism respectively include an independent third motor controller, a second motor, a speed reducer and an execution mechanism, the vehicle controller and the power battery pack are respectively connected to the third motor controller, the third motor controller is connected to the second motor, the second motor is connected to the speed reducer, and the speed reducer is connected to the execution mechanism. And the second motor is adopted for direct drive, so that the energy loss caused by frequent starting and stopping of the traditional rotary motor is avoided. Meanwhile, energy recovery can be carried out through the energy recovery device when the upper vehicle rotates, the main roll and the auxiliary roll descend, and the cruising ability of the power battery is improved.
The power battery pack is composed of a power battery box, a battery management system, a power distribution unit and a battery thermal management unit. The battery thermal management unit is provided with a double-temperature alarm, when the temperature of the battery is higher than a first temperature threshold value, the instrument panel gives an alarm, the power of the cooling system is increased, and the power of other working systems is reduced. And when the temperature is higher than a second temperature threshold value, the power is cut off for protection.
The whole vehicle controller receives electric signals of a whole vehicle and sends the signals to each component system/mechanism through the CAN system, so that the operation intention of a driver CAN be realized under various working conditions, and the safe and efficient operation of the crane is realized.
Example 2
As shown in fig. 1, the present embodiment provides a pure electric crane entire vehicle system, which includes the structure in embodiment 1, and further includes a gas path system and an auxiliary system.
As shown in fig. 6, the gas circuit system includes an electric air compressor, a dryer, a pneumatic valve set and an actuator, the vehicle control unit and the power battery set are respectively connected to the electric air compressor, and in order to ensure the cleanness of the gas circuit, the air inlet end of the electric air compressor is connected to an air filter assembly; the air outlet end of the electric air compressor is connected with a dryer, the dryer is provided with a pressure switch, the pressure switch is connected with the pneumatic valve bank and the vehicle control unit, the pressure switch detects a pressure value in a pipeline and feeds the pressure value back to the vehicle control unit, and the vehicle control unit controls the start and stop of the electric air compressor according to the on-off state of a signal and the magnitude of the pressure value; the pneumatic valve set is connected with actuating elements such as a brake, a parking cylinder and other auxiliary air cylinders to form an air path system of the whole vehicle.
As shown in fig. 1, the auxiliary system includes a steering system, an air conditioner, and an electrical equipment power supply system.
As shown in fig. 7, the steering system includes a fourth motor controller, a steering motor, a steering oil pump, a steering gear, a steering hydraulic system and a steering rod system, the vehicle control unit and the power battery pack are respectively connected to the fourth motor controller, the fourth motor controller is connected to the steering motor, the steering motor is connected to the steering oil pump, the steering oil pump is connected to the steering gear and the hydraulic oil tank, and the steering gear is connected to the steering hydraulic system and the steering rod system. The motor controller can automatically adjust the rotating speed of the steering motor according to the vehicle speed information from the vehicle controller, so that the power assisting along with the steering speed is realized, and the steering portability and stability are improved; the steering device controls the steering angle of the vehicle through a steering hydraulic system and a steering linkage according to the angle of a steering wheel.
The air conditioner of the traditional crane is refrigerated in a mode that a hydraulic motor drives an air compressor, and when the air conditioner is used in a non-driving working state, an engine must be in an idling state. The air conditioner in the embodiment comprises a third motor and an air compressor connected with the third motor, the vehicle control unit and the power battery pack are respectively connected with the third motor, and the third motor is used for driving the air compressor, so that the loss of idling energy of the traditional engine is avoided.
The power battery of the power supply system of the electrical equipment is converted into a 24V battery through DCDC, and the electrical equipment is driven.
Example 3
The embodiment provides a crane, which is provided with the pure electric crane complete vehicle system in the embodiment 1 or the embodiment 2.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (10)
1. The pure electric crane finished vehicle system is characterized by comprising a power battery pack, a finished vehicle controller connected with the power battery pack, a driving system, a chassis hydraulic system, a loading hydraulic system and a rotary lifting system, wherein the driving system, the chassis hydraulic system, the loading hydraulic system and the rotary lifting system are respectively connected with the power battery pack and the finished vehicle controller;
the driving system and the chassis hydraulic system comprise a first motor controller and a driving motor which are shared, and the boarding hydraulic system and the rotary lifting system comprise independent motor controllers and motors.
2. The pure electric crane vehicle system according to claim 1, wherein the driving system further comprises a clutch, a gearbox, an axle and wheels, the vehicle control unit and the power battery pack are respectively connected with a first motor controller, the first motor controller is connected with a driving motor, the driving motor is connected with the gearbox through the clutch, the gearbox is connected with a transfer case, the transfer case is connected with the axle and the wheels, and the wheels are provided with braking energy recovery devices.
3. The pure electric crane complete vehicle system as claimed in claim 2, wherein the chassis hydraulic system further comprises a first hydraulic assembly and a gearbox shared by the drive system, the first hydraulic assembly comprises a first hydraulic pump and a first hydraulic valve bank, the gearbox is connected with the first hydraulic pump, and the first hydraulic pump is respectively connected with the first hydraulic valve bank and a hydraulic oil tank.
4. The full electric crane system according to claim 1, wherein the hydraulic system comprises a second motor controller, a first motor and a second hydraulic assembly, the second hydraulic assembly comprises a second hydraulic pump and a second hydraulic valve bank, the full electric crane controller and the power battery bank are respectively connected with the second motor controller, the second motor controller is connected with the first motor, the first motor is connected with the second hydraulic pump, and the second hydraulic pump is respectively connected with the second hydraulic valve bank and the hydraulic oil tank.
5. The pure electric crane vehicle system according to claim 1, wherein the rotary lifting system comprises a turntable rotary mechanism, a main hoisting mechanism, an auxiliary hoisting mechanism and an energy recovery device, the turntable rotary mechanism, the main hoisting mechanism and the auxiliary hoisting mechanism respectively comprise an independent third motor controller, a second motor, a speed reducer and an execution mechanism, the vehicle control unit and the power battery pack are respectively connected with the third motor controller, the third motor controller is connected with the second motor, the second motor is connected with the speed reducer, and the speed reducer is connected with the execution mechanism.
6. The pure electric crane vehicle system according to claim 1, further comprising a gas circuit system, wherein the gas circuit system comprises an electric air compressor, a dryer, a pneumatic valve bank and an actuating element, the vehicle controller and the power battery bank are respectively connected with the electric air compressor, an air inlet end of the electric air compressor is connected with an air filter assembly, an air outlet end of the electric air compressor is connected with the dryer, the dryer is provided with a pressure switch, the pressure switch is connected with the pneumatic valve bank and the vehicle controller, and the pneumatic valve bank is connected with the actuating element.
7. The pure electric crane vehicle system as claimed in claim 1, further comprising an auxiliary system, wherein the auxiliary system comprises a steering system, an air conditioner and an electrical equipment power supply system.
8. The pure electric crane vehicle system according to claim 7, wherein the steering system comprises a fourth motor controller, a steering motor, a steering oil pump, a steering gear, a steering hydraulic system and a steering rod system, the vehicle controller and the power battery pack are respectively connected with the fourth motor controller, the fourth motor controller is connected with the steering motor, the steering motor is connected with the steering oil pump, the steering oil pump is connected with the steering gear and the hydraulic oil tank, and the steering gear is connected with the steering hydraulic system and the steering rod system.
9. The pure electric crane vehicle system as claimed in claim 7, wherein the air conditioner comprises a third motor and an air compressor connected with the third motor, and the vehicle controller and the power battery pack are respectively connected with the third motor.
10. A crane, characterized by comprising the pure electric crane vehicle system as claimed in any one of claims 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222779157.1U CN218558536U (en) | 2022-10-21 | 2022-10-21 | Pure electric crane whole vehicle system and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222779157.1U CN218558536U (en) | 2022-10-21 | 2022-10-21 | Pure electric crane whole vehicle system and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218558536U true CN218558536U (en) | 2023-03-03 |
Family
ID=85317369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222779157.1U Active CN218558536U (en) | 2022-10-21 | 2022-10-21 | Pure electric crane whole vehicle system and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218558536U (en) |
-
2022
- 2022-10-21 CN CN202222779157.1U patent/CN218558536U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2024021460A1 (en) | Extended-range hybrid power system and control method therefor, and crane | |
| CN113183742A (en) | Energy-saving concrete mixer truck driving system and control method thereof | |
| CN109080454B (en) | Electrohydraulic driving system for reducing motor power | |
| CN109910588B (en) | Pure electric heavy transportation engineering vehicle | |
| CN101332775A (en) | Hydraulic accumulation energy type autobus brake energy regeneration system | |
| CN113183736B (en) | Electro-hydraulic hybrid power system for loader oil and control method thereof | |
| CN103419618A (en) | Air-powered car | |
| CN108382180B (en) | Parallel type oil-electricity hybrid power vehicle-mounted concrete pump | |
| CN103075238A (en) | Hydraulic fan cooling system adopting CAN (controller area network) information integrated control | |
| CN108437775B (en) | Parallel type oil-electricity hybrid power towed concrete pump | |
| CN206813009U (en) | Track-mounted machinery hybrid power transmission system | |
| CN202827109U (en) | Performing mechanism for hybrid electric vehicle clutch with limp function | |
| CN202300901U (en) | Air-conditioning compressor mounted driving device hybrid electric vehicle | |
| CN218558536U (en) | Pure electric crane whole vehicle system and crane | |
| CN201981570U (en) | Hydraulic hybrid wheel loader integrated control system | |
| CN206914158U (en) | A kind of pure electric coach coaxial straight drive system of bi-motor | |
| CN108583268B (en) | Parallel type oil-electricity hybrid power arm frame type concrete pump truck | |
| CN116119533A (en) | Electric drive hybrid power transmission crane | |
| CN115447362A (en) | Pure electric crane whole vehicle system and crane | |
| CN110758096A (en) | Wheel hub drive hydraulic hybrid vehicle configuration system | |
| CN205706216U (en) | Fuel cell hybrid car and dynamical system | |
| CN214607040U (en) | Electric transmission large-tonnage wide-body vehicle | |
| CN205573660U (en) | Novel double dynamical energy -conserving sanitation car of intelligence | |
| CN213868030U (en) | Double-motor four-output power transmission system of loader | |
| CN204821186U (en) | Two driving system of car energy recuperation energy storage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |