CN211287894U - Compact diesel generator set - Google Patents
Compact diesel generator set Download PDFInfo
- Publication number
- CN211287894U CN211287894U CN201922352361.3U CN201922352361U CN211287894U CN 211287894 U CN211287894 U CN 211287894U CN 201922352361 U CN201922352361 U CN 201922352361U CN 211287894 U CN211287894 U CN 211287894U
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- generator
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- diesel engine
- planetary gear
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- 238000001816 cooling Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000009467 reduction Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model provides a compact diesel generator set, relating to the technical field of generator sets, comprising a low-speed diesel engine, a planetary gear box, a generator, an auxiliary cooling fan and a base; the low-speed diesel engine and the generator are fixedly arranged at two ends of the base, a power output shaft of the low-speed diesel engine and a rotor shaft of the generator are coaxially and oppositely arranged, the planetary gear box is fixedly arranged in the middle of the base, a low-speed shaft of the planetary gear box is in transmission connection with the power output shaft of the low-speed diesel engine, a high-speed shaft of the planetary gear box is in transmission connection with the front end of the rotor shaft of the generator, and the auxiliary cooling fan is arranged at the rear end of the generator and in transmission connection with the rear end of the rotor shaft. The utility model discloses a compact diesel generating set through planetary gear's setting, promotes low-speed diesel engine's rotational speed and transmits for the generator to be suitable for the requirement of the high rotational speed work of generator, the structure size is little, the field application of being convenient for.
Description
Technical Field
The utility model relates to a generating set technical field, especially a compact diesel generating set.
Background
The small diesel generator set is one of the devices which are widely used in recent years, and with the social progress, the small diesel generator set plays a higher and higher role in the life of people, and a plurality of factories and enterprises are equipped with the small diesel generator set. The existing small generator set adopts a transmission mode of butt joint of a generator and a diesel engine, and the rotating speed of the diesel engine is the same as that of the generator. The single-cylinder diesel engine has low output rotating speed, can generate strong vibration and noise at high rotating speed, is quickly damaged and cannot be matched with a generator working at high rotating speed, and the existing small-sized diesel generator set has poor heat dissipation effect in the running process, so that the temperature of the generator body and the diesel engine is high in the working process, and the single-cylinder diesel engine is not suitable for long-term and high-load work.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to current small-size diesel generating set, the utility model provides a compact diesel generating set, the technical scheme of the utility model is:
a compact diesel generator set comprises a low-speed diesel engine, a planetary gear box, a generator, an auxiliary cooling fan and a base; the low-speed diesel engine can be a single-cylinder engine, the low-speed diesel engine and the generator are fixedly arranged at two ends of the base, the low-speed diesel engine is provided with a vibration damping rubber pad between the bottom of the low-speed diesel engine and the base, a power output shaft of the low-speed diesel engine and a rotor shaft of the generator are coaxially and oppositely arranged, the planetary gear box is fixedly arranged in the middle of the base, a low-speed shaft of the planetary gear box is in transmission connection with the power output shaft of the low-speed diesel engine, a high-speed shaft of the planetary gear box is in transmission connection with the front end of the rotor shaft of the generator, and the auxiliary cooling fan is arranged at the.
Furthermore, a cylindrical air guide cover with the outer diameter larger than the outer diameter of the shell of the generator is arranged outside the auxiliary cooling fan, the cylindrical air guide cover and the generator are coaxially arranged, and the rotating diameter of the auxiliary cooling fan is close to the inner diameter of the cylindrical air guide cover.
In order to improve the air guiding function of the cylindrical air guiding cover, the front end of the cylindrical air guiding cover extends out of the shell of the generator; and air guide blades are uniformly distributed on the circumference in the cylindrical air guide cover, and the inner edges of the air guide blades are close to the shell of the generator.
In order to improve the safety, a protective net is arranged at the rear end of the cylindrical air guide cover.
The utility model has the advantages that:
the planetary gearbox is arranged between the low-speed diesel engine and the generator, so that the rotating speed of the low-speed diesel engine is increased and transmitted to the generator, the requirement of high-rotating-speed work of the generator is met, and the planetary gearbox is large in transmission ratio, small in structural size and convenient to apply on site.
The rear end of the generator is provided with the auxiliary cooling fan, the rotor shaft rotating at high speed drives the cooling fan to rotate, and the cylindrical wind scooper is arranged for guiding the direction of cooling airflow, so that the air on the surfaces of the generator and the low-speed diesel engine can be effectively driven to flow, the heat dissipation effect is improved, and the compact diesel engine set can be suitable for long-term and high-load work.
Drawings
Fig. 1, the structure schematic diagram of the present invention.
Fig. 2 and the structure of fig. 1 are separated schematically.
In the figure, 1 is a base, 2 is a low-speed diesel engine, 3 is a planetary gear box, 31 is a low-speed shaft, 32 is a high-speed shaft, 4 is a generator, 5 is an auxiliary cooling fan, and 6 is a cylindrical wind scooper.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1 and fig. 2, the utility model provides a compact diesel generator set, including low-speed diesel engine 2, planetary gear case 3, generator 4, auxiliary cooling fan 5 and base 1.
The low-speed diesel engine 2 is a single-cylinder engine, i.e., a diesel engine having only one cylinder when classified by the number of cylinders. The single-cylinder diesel engine is mainly applied to the fields of agricultural machinery, engineering machinery, automobile industry, ship machinery, electric power industry and the like. The single-cylinder air-cooled diesel engine is deeply favored by wide users due to the characteristics of light weight, small volume, simple layout and convenient repair, and is widely applied to the power matched with the mini-tiller.
The low-speed diesel engine 2 and the generator are fixedly arranged at two ends of the base 1, a power output shaft of the vibration-damping rubber mat low-speed diesel engine 2 and a rotor shaft of the generator 4 are coaxially and oppositely arranged between the bottom of the low-speed diesel engine 2 and the base 1, the planetary gear box 3 is fixedly arranged in the middle of the base 1, a low-speed shaft 31 of the planetary gear box 3 is in transmission connection with the power output shaft of the low-speed diesel engine 2, a high-speed shaft 32 of the planetary gear box 3 is in transmission connection with the front end of the rotor shaft of the generator, and the auxiliary cooling fan 5 is arranged at the rear end of the generator 4 and in transmission connection with the rear end.
The auxiliary cooling fan 5 is externally provided with a cylindrical wind guide cover 6 with the outer diameter larger than the outer diameter of the generator shell, the cylindrical wind guide cover 6 and the generator 4 are coaxially arranged, the rotating diameter of the auxiliary cooling fan 5 is close to the inner diameter of the cylindrical wind guide cover 6, the front end of the cylindrical wind guide cover 6 extends out of the shell of the generator 4, wind guide blades are uniformly distributed in the cylindrical wind guide cover 6 in a circumferential mode, the inner edge of each wind guide blade is close to the shell of the generator 4, and the rear end of the cylindrical wind guide cover 6 is provided with a protective net.
Specifically, the utility model discloses practical planetary gear reducer is NGW type series planetary gear reducer, and for the general product that accords with national standard, single reduction is minimum 2.8, and is most generally no longer than 12.5, and common reduction ratio is: 3/4/5/6/8/10, the number of the speed reducer stages is not more than 3 generally, the gear transmission peripheral speed of the speed reducer is not more than 10 m/s, the temperature of the working environment of the speed reducer is-40 to +45 ℃, and the speed reducer can be used for forward and reverse operation.
It is suitable for mining, metallurgy, hoisting and transportation, textile, chemical industry, light industry and other industries. In the reducer family, the planetary reducer is widely applied to transmission systems such as servo motors, stepping motors, direct current motors and the like due to the advantages of small size, high transmission efficiency, wide reduction range, high precision and the like.
The utility model discloses a theory of operation:
the power output shaft of the low-speed diesel generator 2 transmits low-speed torque to the low-speed shaft of the planetary gear box 3, and the rotating speed is increased through the transmission of the planetary gear, and the high-speed shaft is transmitted to the rotor shaft of the generator 4 to drive the rotor shaft of the generator 4 to rotate at high speed to generate electricity.
Meanwhile, the rotor shaft of the generator 4 drives the auxiliary cooling fan 5 to rotate at a high speed, and air driving on the surfaces of the generator 4 and the low-speed diesel generator 2 is realized under the guidance of the cylindrical wind scooper 6, so that cooling and heat dissipation are realized.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A compact diesel generator set is characterized in that:
comprises a low-speed diesel engine (2), a planetary gear box (3), a generator (4), an auxiliary cooling fan (5) and a base (1);
the low-speed diesel engine (2) and the generator are fixedly arranged at two ends of the base (1), a power output shaft of the low-speed diesel engine (2) and a rotor shaft of the generator (4) are coaxially and oppositely arranged, the planetary gear box (3) is fixedly arranged in the middle of the base (1), a low-speed shaft (31) of the planetary gear box (3) is in transmission connection with the power output shaft of the low-speed diesel engine (2), a high-speed shaft (32) of the planetary gear box (3) is in transmission connection with the front end of the rotor shaft of the generator, and the auxiliary cooling fan (5) is arranged at the rear end of the generator (4) and is in transmission connection with the rear end of the rotor shaft.
2. The compact diesel generator set as set forth in claim 1, wherein: the low-speed diesel engine (2) is a single-cylinder engine, and a vibration reduction rubber mat is arranged between the bottom of the low-speed diesel engine (2) and the base (1).
3. The compact diesel generator set as set forth in claim 1, wherein: and a cylindrical air guide cover (6) with the outer diameter larger than that of the shell of the generator is arranged outside the auxiliary cooling fan (5), the cylindrical air guide cover (6) and the generator (4) are coaxially arranged, and the rotating diameter of the auxiliary cooling fan (5) is close to the inner diameter of the cylindrical air guide cover (6).
4. The compact diesel generator set as set forth in claim 3, wherein: the front end of the cylindrical wind scooper (6) extends out of the shell of the generator (4).
5. The compact diesel generator set as set forth in claim 4, wherein: and air guide blades are uniformly distributed in the cylindrical air guide cover (6) in the circumferential direction, and the inner edges of the air guide blades are close to the shell of the generator (4).
6. The compact diesel generator set as set forth in claim 3, wherein: and a protective net is arranged at the rear end of the cylindrical air guide cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922352361.3U CN211287894U (en) | 2019-12-24 | 2019-12-24 | Compact diesel generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922352361.3U CN211287894U (en) | 2019-12-24 | 2019-12-24 | Compact diesel generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211287894U true CN211287894U (en) | 2020-08-18 |
Family
ID=72019394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922352361.3U Expired - Fee Related CN211287894U (en) | 2019-12-24 | 2019-12-24 | Compact diesel generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211287894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115306492A (en) * | 2022-07-13 | 2022-11-08 | 安徽中科超核科技有限公司 | High-speed coaxial steam turbine generator unit |
-
2019
- 2019-12-24 CN CN201922352361.3U patent/CN211287894U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115306492A (en) * | 2022-07-13 | 2022-11-08 | 安徽中科超核科技有限公司 | High-speed coaxial steam turbine generator unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |