CN215166028U - Power driving system of bucket wheel excavator - Google Patents
Power driving system of bucket wheel excavator Download PDFInfo
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- CN215166028U CN215166028U CN202120289262.XU CN202120289262U CN215166028U CN 215166028 U CN215166028 U CN 215166028U CN 202120289262 U CN202120289262 U CN 202120289262U CN 215166028 U CN215166028 U CN 215166028U
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- wheel excavator
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Abstract
The utility model relates to an excavator power system technical field provides a power drive system of bucket wheel excavator, include: the method comprises the following steps: the system comprises a generator set, a motor, a transfer case, a hydraulic oil tank, a hydraulic pump set and a high-power cooling system; the generator set is connected with the motor through the power transmission system; the motor is connected with the transfer case, and the transfer case is directly connected with the hydraulic pump set; the hydraulic pump set is connected with a hydraulic oil tank through a hydraulic pipeline, and a heat tracing system is arranged on the hydraulic pipeline; the hydraulic oil tank is used for connecting an execution system of the bucket-wheel excavator; and the high-power cooling system is connected with the hydraulic oil tank through a cooling pipeline. The utility model discloses can the lift system efficiency and reliability, enlarge system's range of application, strengthen the practicality.
Description
Technical Field
The utility model relates to an excavator power system technical field especially relates to a power drive system of bucket wheel excavator.
Background
The breadth of our country is broad, the land width is about 5200km in east and west, and the temperature difference between south and north of our country reaches about 3500km from black dragon river to Guangdong, so that the large span causes the temperature difference between south and north of our country to reach about 70-80 degrees. In northern areas such as Heilongjiang, inner Mongolia, Xinjiang, Shanxi, Qinghai and Gansu, open coal mines in China are mostly below-20 ℃ in winter, extremely cold weather of-50 ℃ can appear in extremely specific areas, 42 ℃ can appear in extremely specific areas in summer, and the surface temperature reaches more than 70 ℃. Such areas are a great challenge for bucket wheel excavators, especially hydraulic systems.
The power driving system of the bucket-wheel excavator in the prior art adopts the form of an engine, a transfer case and a pump, the transfer case and the pump can be driven to start simultaneously when the engine is started, the load of the engine is increased, and the failure rate of the engine can be increased for a long time; the engine is easy to break down due to high temperature in summer, difficult to start due to low temperature in winter, greatly influenced by environmental factors and limited in application.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the load of the engine of mainly solving prior art is great, can make the fault rate of engine increase for a long time to and it is great to receive environmental factor to influence, uses restricted technical problem, provides a power drive system of bucket wheel excavator, with the efficiency and the reliability of lift system, enlarges system application scope, reinforcing practicality.
The utility model provides a power drive system of bucket wheel excavator, include: the system comprises a generator set, a motor, a transfer case, a hydraulic oil tank, a hydraulic pump set and a high-power cooling system;
the generator set is connected with the motor through the power transmission system;
the motor is connected with the transfer case, and the transfer case is directly connected with the hydraulic pump set; the hydraulic pump set is connected with a hydraulic oil tank through a hydraulic pipeline, and a heat tracing system is arranged on the hydraulic pipeline; the hydraulic oil tank is used for connecting an execution system of the bucket-wheel excavator;
and the high-power cooling system is connected with the hydraulic oil tank through a cooling pipeline.
Preferably, the generator set, the motor, the transfer case, the hydraulic oil tank and the hydraulic pump set are respectively arranged in a cabin steel structure;
the high-power cooling system is arranged on the outer side of the cabin steel structure.
Preferably, the electric motor and the transfer case are fixedly mounted on the base;
the base is installed in a cabin steel structure.
Preferably, the generating set is connected with a fuel tank, and the fuel tank is used for providing fuel for the generating set.
Preferably, the fuel tank is directly connected with the generator set through a fuel conveying pipeline.
Preferably, the electric motor is connected to the transfer case by a coupling.
Preferably, a valve island is arranged on the hydraulic oil tank; and the hydraulic pipeline is connected with a hydraulic oil tank through a valve island.
Preferably, the execution system includes: a motor and a cylinder.
The utility model provides a power driving system of bucket wheel excavator, through the equipment generating set, through the power driving form of electricity supply motor + transfer case + pump, owing to through the electric control, can provide the heating for hydraulic system in winter, make hydraulic system preheat in advance, start hydraulic power system after having reached normal temperature; in summer, a high-power refrigerating system can be adopted to cool the hydraulic system, so that the normal use temperature of the hydraulic system is ensured, and the efficiency and the reliability of the system are improved. Such improvement can make bucket wheel excavator more be fit for high temperature severe cold district, and the range of application is wider, and the practicality is stronger.
Drawings
Fig. 1 is a schematic structural diagram of a power drive system of a bucket wheel excavator according to the present invention.
Reference numerals: 1. a generator set; 2. a fuel tank; 3. an electric motor; 4. a coupling; 5. a transfer case; 6. a base; 7. a hydraulic oil tank; 8. a hydraulic pump unit; 9. an electric power transmission system; 10. a fuel delivery line; 11. a hydraulic line; 12. a cabin steel structure; 13. a high power cooling system; 14. a cooling pipeline; 15. a valve island.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.
As shown in fig. 1, an embodiment of the present invention provides a power driving system of a bucket wheel excavator, including: the system comprises a generator set 1, a motor 3, a transfer case 5, a hydraulic oil tank 7, a hydraulic pump set 8 and a high-power cooling system 13.
The generator set 1 is connected to the electric motor 3 via an electric power transmission system 9. The generator set 1 utilizes a diesel engine to drive a generator to generate high voltage, and belongs to a universal generator set; it provides industrial electricity for the whole machine; its main function is to convert chemical energy into electrical energy, which is continuously supplied to the electric motor 3 via the power transmission system 9.
Generating set 1 connects fuel tank 2, fuel tank 2 is used for providing fuel for generating set 1, and fuel tank 2 directly links with generating set 1 through fuel delivery pipeline 10.
The motor 3 is connected with a transfer case 5 through a coupler 4, and the transfer case 5 is directly connected with a hydraulic pump set 8; the hydraulic pump set 8 is connected with the hydraulic oil tank 7 through a hydraulic pipeline 11, and a heat tracing system is arranged on the hydraulic pipeline 11; a valve island 15 is arranged on the hydraulic oil tank 7; the hydraulic pipeline 11 is connected with the hydraulic oil tank 7 through a valve island 15; the hydraulic oil tank 7 is used for connecting an execution system of the bucket-wheel excavator; the execution system includes: a motor and a cylinder.
The powerful cooling system 13 is connected to the hydraulic oil tank 7 via a cooling line 14.
In the embodiment, the generator set 1, the motor 3, the transfer case 5, the hydraulic oil tank 7 and the hydraulic pump set 8 are respectively arranged in a cabin steel structure 12; the high-power cooling system 13 is arranged outside the cabin steel structure 12. Specifically, the electric motor 3 and the transfer case 5 are fixedly arranged on a base 6; the base 6 is mounted in a nacelle steel structure 12. The power generating unit 1, the fuel tank 2, the motor 3, the coupler 4, the transfer case 5, the base 6, the hydraulic fuel tank 7, the hydraulic pump group 8, the electric power transmission system 9, the fuel oil transmission pipeline 10, the hydraulic pipeline 11, the high-power cooling system 13 and the cooling pipeline 14 are all fixed with the cabin steel structure 12 in a welding or bolt connection mode to form a complete power cabin.
The utility model provides a bucket wheel excavator's power drive system's theory of operation: the generator set 1 provides electrical energy to the electric motor 3 continuously through the power transmission system 9. The fuel tank 2 supplies fuel for the generator set 1 and is directly connected with the generator set 1 through a fuel conveying pipeline 10; the motor 3 is connected with the transfer case 5 through the coupler 4, and the transfer case 5 is directly connected with the hydraulic pump set 8 to provide power for the hydraulic pump set 8; the hydraulic pump set 8 is connected with the hydraulic oil tank 7 through a hydraulic pipeline 11, and the hydraulic oil tank 7 conveys hydraulic oil to an execution system, such as a motor, an oil cylinder and the like, so that power output of the hydraulic system is realized; the high-power cooling system 13 is connected with the hydraulic oil tank 7 through a cooling pipeline 14, and cold and hot oil exchange is realized. In the power driving system of the bucket wheel excavator of the embodiment, the heat tracing system in the hydraulic pipeline 11 can be closed in summer, and the high-power cooling system 13 can be closed in winter to save energy.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, without substantially departing from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A power drive system for a bucket wheel excavator, comprising: the power generation system comprises a generator set (1), a motor (3), a transfer case (5), a hydraulic oil tank (7), a hydraulic pump set (8) and a high-power cooling system (13);
the generator set (1) is connected with the motor (3) through the power transmission system (9);
the motor (3) is connected with the transfer case (5), and the transfer case (5) is directly connected with the hydraulic pump set (8); the hydraulic pump set (8) is connected with the hydraulic oil tank (7) through a hydraulic pipeline (11), and a heat tracing system is arranged on the hydraulic pipeline (11); the hydraulic oil tank (7) is used for connecting an execution system of the bucket-wheel excavator;
the high-power cooling system (13) is connected with the hydraulic oil tank (7) through a cooling pipeline (14).
2. The power drive system of the bucket wheel excavator of claim 1, wherein the generator set (1), the motor (3), the transfer case (5), the hydraulic oil tank (7) and the hydraulic pump set (8) are respectively installed in a cabin steel structure (12);
and the high-power cooling system (13) is arranged on the outer side of the cabin steel structure (12).
3. The power drive system of a bucket wheel excavator according to claim 2, wherein the electric motor (3) and the transfer case (5) are fixedly mounted on the base (6);
the base (6) is arranged in a cabin steel structure (12).
4. The power drive system of a bucket wheel excavator according to claim 1, wherein the generator set (1) is connected to a fuel tank (2), the fuel tank (2) being used for supplying fuel to the generator set (1).
5. The power drive system of a bucket wheel excavator according to claim 4, wherein the fuel tank (2) is directly connected to the generator set (1) through a fuel delivery line (10).
6. The power drive system of a bucket wheel excavator according to claim 1, wherein the electric motor (3) is connected to the transfer case (5) through a coupling (4).
7. The power drive system of a bucket-wheel excavator according to claim 1, wherein a valve island (15) is provided on the hydraulic oil tank (7); the hydraulic pipeline (11) is connected with the hydraulic oil tank (7) through a valve island (15).
8. The power drive system of a bucket wheel excavator of claim 1 wherein the implement system comprises: a motor and a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120289262.XU CN215166028U (en) | 2021-02-02 | 2021-02-02 | Power driving system of bucket wheel excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120289262.XU CN215166028U (en) | 2021-02-02 | 2021-02-02 | Power driving system of bucket wheel excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215166028U true CN215166028U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120289262.XU Active CN215166028U (en) | 2021-02-02 | 2021-02-02 | Power driving system of bucket wheel excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215166028U (en) |
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2021
- 2021-02-02 CN CN202120289262.XU patent/CN215166028U/en active Active
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