CN213899111U - Engineering machinery power supply system and engineering machinery - Google Patents
Engineering machinery power supply system and engineering machinery Download PDFInfo
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- CN213899111U CN213899111U CN202022731856.XU CN202022731856U CN213899111U CN 213899111 U CN213899111 U CN 213899111U CN 202022731856 U CN202022731856 U CN 202022731856U CN 213899111 U CN213899111 U CN 213899111U
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Abstract
The utility model relates to an engineering machine tool power supply system, it is big for solving current fuel engineering machine tool power consumption, the problem that the supporting generator generating power of engine is not enough, the utility model discloses construct an engineering machine tool power supply system and engineering machine tool, wherein engineering machine tool power supply system include the battery, with electrical apparatus, engine, by the hydraulic pump that engine drive and oil absorption mouth are connected with hydraulic tank, through hydraulic line with hydraulic pump connection's hydraulic motor, by hydraulic motor driven generator, the generator with electrical apparatus with the battery electricity is connected. The utility model discloses a hydraulic motor who sets up the drive generator in hydraulic system realizes the electricity generation, solves the problem that the supporting generator generated energy of engine can't satisfy the heavy current power consumption.
Description
Technical Field
The utility model relates to an engineering machine tool, more specifically say, relate to an engineering machine tool power supply system and engineering machine tool.
Background
In the engineering machinery using the existing practical fuel engine as a power source, a power supply system of the engineering machinery usually adopts a power generator of the engine to generate power, the power generator is connected with a storage battery, and the storage battery is connected with electrical equipment on the engineering machinery to supply power.
The total power of the electric appliances of the existing engineering machinery is generally not large, so that the power supply system can meet the requirement. However, for some machines with large total power of electric appliances, such as machines using intelligent heat dissipation systems, the power generation is insufficient only by the generator of the engine.
The electronic fan power supply mode of the intelligent heat dissipation system of the engineering machinery mainly depends on the power generation of the generator matched with the engine for power supply, and the generators with different generating capacities or different numbers can be selected according to the number of the electronic fans of the intelligent heat dissipation system. When the intelligent heat dissipation system is small, the number of the electronic fans is small, the required current is small, and the current requirement of the intelligent heat dissipation system can be met only by one generator with large generating capacity matched with the engine or two generators; when the intelligent heat dissipation system is large, the number of the electronic fans is large, the required current is large, and the generated energy of the generator matched with the engine cannot meet the current requirement of the electronic fans of the intelligent heat dissipation system.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that current fuel engineering machine tool power consumption is big, the supporting generator generated power of engine not enough problem, and provides an engineering machine tool power supply system and engineering machine tool to satisfy the power supply of the high-power electrical apparatus of configuration on the machine.
The utility model discloses a realize that the technical scheme of its purpose is like: the power supply system of the engineering machinery is characterized by comprising a storage battery, an electrical appliance, an engine, a hydraulic pump, a hydraulic motor and a generator, wherein the hydraulic pump is connected with the engine and driven by the engine to rotate, an oil suction port is connected with a hydraulic oil tank, the hydraulic motor is connected with the hydraulic pump through a hydraulic pipeline, the generator is connected with the hydraulic motor and driven by the hydraulic motor to rotate to generate power, and the generator is electrically connected with the electrical appliance and the storage battery.
In the above power supply system for construction machinery, a hydraulic solenoid valve for controlling the rotation speed of the hydraulic motor is provided on a hydraulic pipe between the hydraulic pump and the hydraulic motor.
In the power supply system for the engineering machinery, the engine is provided with the generator matched with the engine, and the generator matched with the engine is electrically connected with the storage battery.
In the above power supply system for engineering machinery, the electrical appliance includes an intelligent heat dissipation system, and an electronic fan of the intelligent heat dissipation system is electrically connected to the storage battery.
The utility model discloses a realize that the technical scheme of its purpose is like: a construction machine is constructed, and is characterized by comprising the construction machine power supply system.
Compared with the prior art the utility model discloses a hydraulic motor who sets up the drive generator in hydraulic system realizes the electricity generation, solves the problem that the supporting generator generated energy of engine can't satisfy the heavy current power consumption.
Drawings
Fig. 1 is a schematic diagram of the power supply system of the construction machine of the present invention.
Part names and serial numbers in the figure:
the system comprises an engine 1, a hydraulic pump 2, a hydraulic pipeline 3, a hydraulic electromagnetic valve 4, a hydraulic motor 5, a generator 6, a hydraulic oil tank 7, a storage battery 8, an intelligent heat dissipation system 9, an electronic fan 10, a generator wiring harness 11 and an electronic fan power supply wiring harness 12.
Detailed Description
The following description of the embodiments refers to the accompanying drawings.
Fig. 1 shows a power supply system of a loader in the present embodiment. The power supply system comprises an engine 1, a hydraulic pump 2, a hydraulic electromagnetic valve 4, a hydraulic motor 5, a hydraulic pipeline 3, a generator 6, a storage battery 8, a hydraulic oil tank 7, a wiring harness and an intelligent heat dissipation system 9. Wherein the main function of the engine 1 is to power the whole system. The hydraulic pump 2 is installed at the flywheel end of the engine 1, is connected with the engine 1 and is driven to rotate by the engine 1, the hydraulic pump 2 is connected with the hydraulic oil tank 7 through the hydraulic pipeline 3, hydraulic oil is sucked from the hydraulic oil tank 7, mechanical energy of the engine 1 is converted into hydraulic energy to be output, hydraulic oil with a certain flow rate is provided for a hydraulic system of the excavator and the hydraulic motor 5 in the power supply system in the embodiment, and the hydraulic motor 5 is driven to rotate.
The hydraulic motor 5 is connected to the hydraulic pump 2 through a hydraulic line 3, and a hydraulic solenoid valve 4 is provided on the connection oil line. The hydraulic solenoid valve 4 mainly functions to control the flow rate to the hydraulic motor 5, thereby realizing the rotation speed control of the hydraulic motor 5. The hydraulic motor 5 is driven by the hydraulic oil output by the hydraulic pump 2, and mainly functions to convert hydraulic pressure energy provided by the hydraulic pump 2 into mechanical energy to drive the generator 6 in a torque and rotating speed manner.
The generator 6 is connected with the hydraulic motor 5, and mainly has the function of supplying power to an electronic fan 10 of the intelligent heat dissipation system 9 or charging a storage battery 8. The storage battery 8 is connected with the generator 6 through a generator wiring harness 11, and mainly has the functions of supplying electric energy to the electronic fan 10 and storing the electric energy. An electronic fan 10 of the intelligent heat dissipation system 9 is connected with the storage battery 8 through an electronic fan power supply wire bundle 12, and the main function of the electronic fan power supply wire bundle is to reduce the temperature of the engine 1, hydraulic oil and engine intake air of the excavator. The hydraulic oil tank 7 is communicated with the hydraulic pump 2 and the hydraulic motor 5 through the hydraulic pipeline 3, and the main function of the hydraulic oil tank is to store hydraulic oil of a hydraulic system.
In the embodiment, the engine 1 drives the hydraulic pump 2 to rotate, the hydraulic pump 2 sucks oil from the hydraulic oil tank 7 through the hydraulic hose 3 to drive the hydraulic motor 5 to rotate, the hydraulic motor 5 is controlled by the hydraulic solenoid valve 4 to rotate, and the hydraulic oil flows back to the hydraulic oil tank 7 after passing through the hydraulic motor 5. The hydraulic motor 5 rotates and drives the generator 6 to work, and electric quantity generated by the work of the generator 6 charges the storage battery through a generator wire harness 11, or supplies electric energy together with the storage battery 8 through an electronic fan power supply wire harness 12 and an electronic fan 10 of the intelligent cooling system 9 of the excavator.
The power supply system in this embodiment may also be used in other work machines such as motor graders, loaders, bulldozers, and the like.
In this embodiment, the intelligent heat dissipation system 9 is powered by the generator 6 driven by the hydraulic motor 5 and powered by the storage battery, and the rotation speed of the hydraulic motor can be controlled by controlling the flow rate to the hydraulic motor 5 by controlling the opening of the valve port of the hydraulic solenoid valve 4 according to the power of the intelligent heat dissipation system 9, so as to control the rotation speed of the generator 6, and the generated power of the generator 6 can meet the power consumption requirement of the intelligent heat dissipation system 9. When the power of the intelligent heat dissipation system 9 is reduced, the rotating speed of the hydraulic motor 6 can be reduced, and energy conservation is realized.
In this embodiment, the storage battery 8 may also be electrically connected to a matching generator on the engine 1, so that the engine directly drives the matching generator and the hydraulic motor drives the generator to jointly supply power to the storage battery, and the power supply of the double generators on the excavator is realized.
Claims (5)
1. The power supply system for the engineering machinery is characterized by comprising a storage battery, an electrical appliance, an engine, a hydraulic pump, a hydraulic motor and a generator, wherein the hydraulic pump is connected with the engine and driven by the engine to rotate, an oil suction port is connected with a hydraulic oil tank, the hydraulic motor is connected with the hydraulic pump through a hydraulic pipeline, the generator is connected with the hydraulic motor and driven by the hydraulic motor to rotate to generate power, and the generator is electrically connected with the electrical appliance and the storage battery.
2. The power supply system for engineering machinery according to claim 1, wherein a hydraulic solenoid valve for controlling the rotation speed of the hydraulic motor is arranged on a hydraulic pipeline between the hydraulic pump and the hydraulic motor.
3. The power supply system for engineering machinery according to claim 1, wherein an engine generator is mounted on the engine, and the engine generator is electrically connected with the storage battery.
4. The power supply system for engineering machinery according to any one of claims 1 to 3, wherein the electrical appliance comprises an intelligent heat dissipation system, and an electronic fan of the intelligent heat dissipation system is electrically connected with the storage battery.
5. A working machine, characterized by a working machine power supply system according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022731856.XU CN213899111U (en) | 2020-11-24 | 2020-11-24 | Engineering machinery power supply system and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022731856.XU CN213899111U (en) | 2020-11-24 | 2020-11-24 | Engineering machinery power supply system and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213899111U true CN213899111U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022731856.XU Active CN213899111U (en) | 2020-11-24 | 2020-11-24 | Engineering machinery power supply system and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213899111U (en) |
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2020
- 2020-11-24 CN CN202022731856.XU patent/CN213899111U/en active Active
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