CN204060923U - A kind of electricity generating device of driven by engine - Google Patents
A kind of electricity generating device of driven by engine Download PDFInfo
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- CN204060923U CN204060923U CN201420339687.7U CN201420339687U CN204060923U CN 204060923 U CN204060923 U CN 204060923U CN 201420339687 U CN201420339687 U CN 201420339687U CN 204060923 U CN204060923 U CN 204060923U
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- belt
- generator
- generating device
- electricity generating
- stretcher
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Abstract
The utility model relates to a kind of electricity generating device of driven by engine, comprises transmission system and stretcher, and transmission system comprises motor, generator and belt, and driving wheel is connected by belt with generator; Described stretcher comprises fixed end and free end, and fixed end fixedly mounts relative to generator, is provided with hold-down mechanism in fixed end, and free end is provided with tensioning member, and described hold-down mechanism is configured to tensioning member towards belt bias voltage.By installing stretcher additional, achieving the instantaneous tensioning of belt, avoiding the noise problem of belt slippage and engine start moment, and extending belt working life.
Description
Technical field
The utility model relates to a kind of electricity generating device, particularly a kind of electricity generating device of driven by engine.
Background technique
Vehicle-mounted power takeoff generator is a new industry, always receive much concern core of its generating of its energy-saving and environmental protection performance the mechanical energy of motor car engine is delivered to generator by belt to change electric energy into and export, the demand of special vehicle to voltage and frequency can not only be met, and without the need to any fuel forms beyond motor car engine, save the energy, reduce pollution.
The belt that the drivign belt of vehicle-mounted power taking motor is tightened after long-term use can become slack gradually, and cause engine start moment, master end belt is tighter, slave end belt is more loose, belt produces skidding, to such an extent as to produces noise instantaneously at automobile starting, also reduces belt working life.
Model utility content
The utility model provides a kind of electricity generating device, can relax gradually after long-term use in order to the drivign belt solving vehicle-mounted power takeoff generator in prior art, causes automobile starting moment slave end belt to produce skidding, simultaneously with noise phenomena.
The electricity generating device of a kind of driven by engine that the utility model provides, comprise transmission system and stretcher, described transmission system comprises driving wheel, generator and belt, and driving wheel is connected by belt with generator; Described stretcher comprises fixed end and free end, fixed end is relative to described generator fixed installation and inside is provided with hold-down mechanism, free end is provided with tensioning member, tensioning member and belt contacts, hold-down mechanism is configured to described tensioning member towards described belt bias voltage.
Described stretcher is installed on the slave end of described transmission system.
Described fixed end is connected by connecting rod with described tensioning member.
Described hold-down mechanism is a kind of elastic spring.
Described fixed end is fastened on described generator support.
Described tensioning member is wheeled construction.
The width of described tensioning member is consistent with described generator pulley width.
The axial position of described tensioning member and described driving wheel is in same plane.
The utility model compared with prior art beneficial effect is:
(1) during engine start, stretcher can the belt of its power generation system slave end of auto-tensioning, avoids belt slippage and produces noise phenomena, extends belt working life.
(2) moment is started at motor driving wheel, due to unbalance stress, cause the belt in master end tighter, the belt of slave end is more loose, stretcher is installed on the slave end of transmission system by the utility model, and stretcher can bear the pressure from slave end belt in time and deflect, and its free end produces moment relative to fixed end, after the inner reed of fixed end is stressed, can reverse instantaneous compression belt.
Accompanying drawing explanation
Fig. 1 is the belt train figure not adding stretcher;
Fig. 2 a, 2b are respectively reset condition figure and the working state figure of the utility model stretcher;
Fig. 3 is the utility model automatic tensioner cut-away view;
Fig. 4 is motor supporting structure figure of the present utility model;
Fig. 5 is stretcher of the present utility model and the normal working drawing of belt.
Embodiment
Below with reference to the accompanying drawings enforcement of the present utility model is described.
The utility model can be used for the power generation system that motor car engine drives, and also can be used for other similar power generation system, and the electricity generating device contrast accompanying drawing driven for motor car engine is below described.
Fig. 1 is the belt train figure not adding stretcher, comprise driving wheel 1, generator 2, band tooth third wheel 5, plane idle pulley 6, generator pulley 7, belt 8 and bar hole 9, wherein, generator 2, band tooth third wheel 5 and plane idle pulley 6 are fixed on generator support 3, plane idle pulley 6 and band tooth third wheel 5 are equipped with strip-shaped location hole 10, bar hole 9 is for the position of adjusting belt tooth third wheel 5 and plane idle pulley 6, complete the preliminary tensioning to belt 8, press-fit the inner side in belt 8 with tooth third wheel 5, plane idle pulley 6 press-fits the outside in belt 8.Driving wheel 1 is connected with the belt pulley 7 of generator 2 with plane idle pulley 6 by belt 8 band tooth third wheel 5, and when driving wheel 1 rotates, drive electrical generators belt pulley 7 rotates, and realizes the generating of generator 2.Wherein, band tooth third wheel 5 and plane idle pulley 6 can be used for the direction regulating belt 8, avoid automobile cannot change parts.When belt 8 length is longer, the automobile engine starting belt 8 of moment between driving wheel 1 and plane idle pulley 6 there will be relaxation phenomenon, and the belt 8 between driving wheel 1 and band tooth third wheel 5 there will be tightens phenomenon.
Fig. 2 a is elastic tension device reset condition figure; Fig. 2 b is the working state figure that the stressed rear free end of stretcher opens 30 ° of angles.Stretcher comprises fixed end 41, tensioning member 42, connecting rod 43, positioning screw hole 44 and fixed position 45.Fixed end 41 screw is fixed on electric machine support 3 by fixed position 45, and positioning screw hole 44 is connected with electric machine support 3 by screw, and positioning free end is relative to the initial angle of belt, and fixed end 41 is connected by connecting rod 43 with the tensioning member 42 of free end.When free end is subject to the power of vertical direction, and produce moment between the positioning screw hole 44 of fixed end 41, free end is forced upwards to offset, simultaneously fixed end 41 contained spring sheet is subject to torsion from connecting rod 43 and auto-tensioning, make the tensioning member 42 of free end oppositely compress belt, reach the object without delay adjustment belt tension.
Fig. 3 is the cut-away view of the utility model stretcher fixed end 41, and wherein, left side part is plan view, and right half part is left view, comprises shell 411, inner wind spring 412 and two bearings 413.Fixed hole 44 is bearing 413 endoporus, it is fixed by screws on electric machine support 3, and fixed position 45 and bearing inner race connect as one, for locating initial angle, inner wind spring 412 is arranged between bearing 413 outer ring and stretcher shell 411, and by shell 411, torsion is passed to connecting rod 43.
Fig. 4 is motor supporting structure figure of the present utility model, wherein, electric machine support 3 secures generator 2, stretcher 4, is with gear 5 and plane idle pulley 6.Be with on gear 5 and plane idle pulley 6 and bar hole 9 was housed, crossed the position of gear 5 and plane idle pulley 6 for adjusting belt.Belt pulley 7 generator 2 is equipped with, for being connected with driving wheel 1.In figure 3, do not add between driving wheel 1 and generator pulley 7 and thong, stretcher 4 is not subject to the active force of belt, non-opening angle between stretcher fixed end 41 and free end.
Fig. 5 is stretcher of the present utility model and the normal working drawing of belt, comprise driving wheel 1, generator 2, generator support 3, stretcher 4, with gear 5, plane idle pulley 6, generator pulley 7, belt 8 and cross the bar hole 9 of gear 5 and plane idle pulley 6 position for adjusting belt.Stretcher 4 is installed on the slave end of transmission system, tensioning member 42 and belt 8 close contact of its free end.The belt pulley 7 of generator 2 is connected with driving wheel 1 with plane idle pulley 6 through band tooth third wheel 5 by belt 8, when driving wheel 1 rotates, the belt pulley 7 of motor 2 is driven to rotate, when driving wheel 1 rotates, slave end belt is more loose, the tensioning member 42 of the free end of elastic tension device 4 is applied to the power of upward direction, moment is produced between the free end connecting rod 43 of stretcher 4 and the positioning screw hole of fixed end 41, the inner reed of the fixed end of stretcher 4 is subject to the moment of free end connecting rod 43 and stressed tensioning, free end oppositely compresses belt 8, realizes instantaneous tightening belt.
In electricity generating device of the present utility model, install stretcher additional by the slave end in transmission system, can tightening belt in real time, avoid the noise phenomena of belt slippage and engine start moment, extend belt working life.
The unspecified part genus of the utility model well known to a person skilled in the art general knowledge.
Claims (8)
1. the electricity generating device of a driven by engine, it is characterized in that: comprise transmission system and stretcher (4), described transmission system comprises driving wheel (1), generator (2) and belt (8), and driving wheel (1) is connected by belt (8) with generator (2); Described stretcher (4) comprises fixed end (41) and free end, fixed end (41) fixedly mounts relative to described generator (2), fixed end is provided with hold-down mechanism in (41), free end is provided with tensioning member (42), tensioning member (42) contacts with belt (8), and described hold-down mechanism is configured to described tensioning member (42) towards described belt (8) bias voltage.
2. a kind of electricity generating device according to claim 1, is characterized in that: described stretcher (4) is installed on the slave end of described transmission system.
3. a kind of electricity generating device according to claim 1, is characterized in that: described fixed end (41) is connected by connecting rod with described tensioning member (42).
4. a kind of electricity generating device according to claim 1, is characterized in that: described hold-down mechanism is a kind of elastic spring.
5. a kind of electricity generating device according to claim 1, is characterized in that: described fixed end (41) is fastened on described generator support (3).
6. a kind of electricity generating device according to claim 1, is characterized in that: described tensioning member (42) is wheeled construction.
7. a kind of electricity generating device according to claim 6, is characterized in that: the width of described tensioning member (42) is consistent with described generator pulley (7) width.
8. a kind of electricity generating device according to claim 6 or 7, is characterized in that: the axial position of described tensioning member (42) and described driving wheel (1) is in same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339687.7U CN204060923U (en) | 2014-06-24 | 2014-06-24 | A kind of electricity generating device of driven by engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339687.7U CN204060923U (en) | 2014-06-24 | 2014-06-24 | A kind of electricity generating device of driven by engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060923U true CN204060923U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339687.7U Active CN204060923U (en) | 2014-06-24 | 2014-06-24 | A kind of electricity generating device of driven by engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204060923U (en) |
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2014
- 2014-06-24 CN CN201420339687.7U patent/CN204060923U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220301 Address after: Room 411, 4th floor, building 3, yard 7, Shixing street, Shijingshan District, Beijing 100043 Patentee after: Beijing Pulimen electromechanical High Technology Co.,Ltd. Address before: 142 box 403, box 100854, Beijing, Beijing, Haidian District Patentee before: BEIJIGN INSTITUTE OF AEROSPACE CONTROL DEVICES |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 411, 4th floor, building 3, yard 7, Shixing street, Shijingshan District, Beijing 100043 Patentee after: Beijing Aerospace Wanrun High Tech Co.,Ltd. Address before: Room 411, 4th floor, building 3, yard 7, Shixing street, Shijingshan District, Beijing 100043 Patentee before: Beijing Pulimen electromechanical High Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |