CN103382891B - A kind of power takeoff at rear end of engine - Google Patents
A kind of power takeoff at rear end of engine Download PDFInfo
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- CN103382891B CN103382891B CN201210133140.7A CN201210133140A CN103382891B CN 103382891 B CN103382891 B CN 103382891B CN 201210133140 A CN201210133140 A CN 201210133140A CN 103382891 B CN103382891 B CN 103382891B
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- power take
- housing
- bearing
- rear end
- oil
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- 125000006850 spacer group Chemical group 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000314 lubricant Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Arrangement And Driving Of Transmission Devices (AREA)
- General Details Of Gearings (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Abstract
The invention discloses a kind of power takeoff at rear end of engine, comprise power take-off input end and power take-off output terminal and power take-off housing, described power take-off enclosure interior is provided with for bearings mounted bearing bore, described power take-off housing can be embedded at flywheel shell and be connected with described flywheel shell is dismantled and assembled, and the part that described power take-off housing is embedded at described flywheel shell is provided with the oil leab communicated with described bearing bore.Because its housing can be embedded in flywheel shell, and be connected with flywheel shell is dismantled and assembled, thus the problem of current power takeoff at rear end of engine dismounting difficulty is efficiently solved, the part that the present invention is simultaneously embedded at flywheel shell at power take-off housing is also provided with the oil leab communicated with the bearing bore in power take-off housing, thus realize the inner directly lubrication of power take-off, lubricate compared with the mode of power take-off internal bearings with adopting at present external oil duct, not only save the installing space of engine interior, also reduce cost of production simultaneously.
Description
Technical field
The present invention relates to engine torque extracting machine technical field, particularly relate to a kind of power takeoff at rear end of engine.
Background technique
Along with the development of society, heavy cement stirring conveying vehicle and large-tonnage special car demand commercially increase, the power takeoff of motor and the matching deficiency of car load power system are there is, badly influence the reliability and safety of motor upper end power system, its main cause be the power take-off that adopts mainly by the crank pulley of front end directly by belt drive, it is little that this not only also exists output torque, the shortcoming that noise is large, also easily causes the power takeoff even lost of life of motor itself.
Thus create the rear-end power takeoff device driven by crankshaft gear at engine rear end, its main operational principle drives idle gear by crankshaft gear, then drive power take-off gear shaft to rotate by idle gear, rotary motion exported by power take-off gear shaft.
Although current rear-end power takeoff device overcomes the shortcoming that front end power take-off output torque is little and noise is large, but the housing of power take-off and the shell cast of engine flywheel become one structure at present, the dismounting of power take-off is caused to become very inconvenient, and the lubrication of the bearing in power take-off needs to be realized by external oil duct, this not only causes the crowded of engine interior space, and adds manufacture cost.
Therefore, how to develop one both easy accessibility, can realize again the rear-end power takeoff device of inner directly lubrication, be the technical problem that current those skilled in the art need solution badly.
Summary of the invention
The object of this invention is to provide a kind of power takeoff at rear end of engine, to make the easy accessibility of rear-end power takeoff device, and therein can be realized directly lubricate, thus realize the saving of cost.
For solving above-mentioned prior art problem, the invention provides a kind of power takeoff at rear end of engine, comprise power take-off input end, power take-off output terminal, power take-off housing and be installed on the power take-off end cap of described auxiliary-drive casing end of body, described power take-off enclosure interior is provided with for bearings mounted bearing bore, described power take-off housing can be embedded in flywheel shell and to be connected with described flywheel shell is dismantled and assembled, and the part that described power take-off housing is embedded at described flywheel shell is provided with the oil leab communicated with described bearing bore; Described oil leab specifically comprises:
Be opened in annular oil groove that is on described power take-off housing and that communicate with flywheel shell oil inlet hole;
One end communicates with described annular oil groove, the power take-off oil inlet hole that the other end communicates with described bearing bore;
One end communicates with described bearing bore, the power take-off spill port that the other end communicates with gear-box.
Preferably, described power take-off output terminal is provided with output flange.
Preferably, described power take-off housing is connected with described flywheel shell bolt.
Preferably, the O RunddichtringO being arranged at described annular oil groove both sides is also comprised.
Preferably, described power take-off oil inlet hole comprises:
First Oil Guide road and the second Oil Guide road and the intercommunicating pore be arranged on described annular oil groove, described first Oil Guide road is arranged along the axis of described power take-off housing, described first Oil Guide road is communicated with described annular oil groove by described intercommunicating pore, described second Oil Guide road is arranged along the radial direction of described power take-off housing, and it communicates with described first Oil Guide road and described bearing bore simultaneously.
Preferably, the bearing being arranged at the close power take-off input end side in described bearing bore is roller bearing, and the side bearing near power take-off output terminal is deep groove ball bearing.
Preferably, the first gear shaft spacer for limiting bearing inner race axial float is provided with between described roller bearing and deep groove ball bearing, described roller bearing is provided with the back-up ring for limiting its outer ring axial float near the side of power take-off input end, described deep groove ball bearing compresses its bearing outer ring near the side of output terminal by power take-off end cap, compresses its bearing inner race by output flange.
Preferably, also comprise be arranged at described output flange and described deep groove ball bearing inner ring between the second gear shaft spacer, and be provided with seal arrangement between described second gear shaft spacer and the gear shaft of described power takeoff at rear end of engine.
Preferably, outside framework oil seal is provided with between described power take-off end cap and described second gear shaft spacer.
As can be seen from the above technical solutions, power takeoff at rear end of engine provided by the present invention, because its housing can be embedded in flywheel shell, and be connected with flywheel shell is dismantled and assembled, thus the problem of current power takeoff at rear end of engine dismounting difficulty is efficiently solved, the part that the present invention is simultaneously embedded at flywheel shell at power take-off housing is also provided with the oil leab communicated with the bearing bore in power take-off housing, this oil leab communicates with the flywheel casing oil inlet hole on flywheel shell after power take-off is installed on flywheel shell, flywheel casing oil inlet hole communicates with the oil leab in gear-box, thus realize the inner directly lubrication of power take-off, lubricate compared with the mode of power take-off internal bearings with adopting at present external oil duct, not only save the installing space of engine interior, also reduce cost of production simultaneously.
Accompanying drawing explanation
The scheme of installation of power takeoff at rear end of engine on flywheel shell that Fig. 1 provides for the embodiment of the present invention;
The partial sectional view of the power takeoff at rear end of engine that Fig. 2 provides for the embodiment of the present invention.
In upper Fig. 1-Fig. 2,1 is power take-off gear, and 2 is flywheel shell, 3 is idle gear, and 4 is crankshaft gear, and 5 is roller bearing, 6 is O RunddichtringO, 7 is the first gear shaft spacer, and 8 is bearing bore, and 9 is power take-off end cap, 10 is outside framework oil seal, 11 is output flange, and 12 is deep groove ball bearing, and 13 is bolt of cover, 14 is the second Oil Guide road, 15 is the first Oil Guide road, and 16 is back-up ring, and 17 is power take-off housing, 18 is the second gear shaft spacer, A is flywheel shell oil inlet hole, and B is annular oil groove, and C is power take-off spill port.
Embodiment
Core of the present invention is to provide a kind of power takeoff at rear end of engine, this power takeoff at rear end of engine is embedded in flywheel casing by adopting removable power take-off shell, the dismounting difficult problem of the power take-off of effective solution, the power takeoff at rear end of engine provided by the present invention part be embedded on flywheel casing is also provided with the oil leab communicated with the bearing bore in power take-off housing simultaneously, thus the inside achieving power take-off is directly lubricated, effectively save the inside installing space of motor, reduce cost of production simultaneously.
In order to make those skilled in the art person understand the solution of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to the scheme of installation of power takeoff at rear end of engine on flywheel shell that Fig. 1 accompanying drawing 1 provides for the embodiment of the present invention.
The power take-off housing 17 of the power takeoff at rear end of engine that the embodiment of the present invention provides is embedded in flywheel shell 2, and is connected with flywheel shell 2 is dismantled and assembled, and power take-off gear 1 is meshed with idle gear 3, and idle gear 3 is meshed with the crankshaft gear 4 of motor.In the course of the work, the crankshaft gear 4 of motor drives idle gear 3 to rotate, and rotation is passed to power take-off gear 1 by idle gear 3, and eventually through the gear shaft Driving Torque of power take-off.
Power takeoff at rear end of engine disclosed in this invention comprises power take-off input end, power take-off output terminal, power take-off housing 17 and is installed on the power take-off end cap 9 of power take-off housing 17 end, power take-off housing 17 inside is provided with for bearings mounted bearing bore 8, this power take-off housing 17 can be embedded in flywheel shell 2 and to be connected with flywheel shell 2 is dismantled and assembled, and power take-off housing 17 part be embedded in flywheel shell 2 is provided with the oil leab communicated with above-mentioned bearing bore 8.
Power takeoff at rear end of engine provided by the present invention, because its power take-off housing 17 can be embedded in flywheel shell 2, and be connected with flywheel shell 2 is dismantled and assembled, thus the problem of current power takeoff at rear end of engine dismounting difficulty is efficiently solved, the part that the present invention is simultaneously embedded at flywheel shell 2 at power take-off housing 17 is also provided with the oil leab communicated with the bearing bore 8 in power take-off housing 17, this oil leab communicates with the flywheel shell oil inlet hole A on flywheel shell 2 after power take-off is installed on flywheel shell 2, oil inlet hole A on flywheel casing communicates with gear inlet oil duct, thus realize the inner directly lubrication of power take-off, lubricate compared with the mode of power take-off internal bearings with adopting at present external oil duct, not only save the installing space of engine interior, also reduce cost of production simultaneously.
More specifically, please also refer to Fig. 1 and Fig. 2, the scheme of installation of the power takeoff at rear end of engine that Fig. 1 provides for the embodiment of the present invention, the partial sectional view of the power takeoff at rear end of engine that Fig. 2 provides for the embodiment of the present invention.
Power take-off housing 17 is embedded in flywheel shell 2, and by four bolts of cover 13, power take-off housing 17 is anchored on flywheel shell 2, thus realize dismantled and assembled relative to flywheel shell of power take-off, certainly other modes can also be adopted to realize the dismantled and assembled of power take-off, screw-thread fit is such as taked power take-off housing to be tightened in the dismantled and assembled connection that flywheel shell can realize too power take-off, bearing bore 8 is provided with in power take-off housing 17, in bearing bore 8, bearing is installed, the outer ring of bearing is fixedly installed on by the mode of hot pressing on the inwall of power take-off housing 17, inner ring all adopts interference fit to be fixedly connected with the gear shaft of power take-off.
The power takeoff at rear end of engine that the embodiment of the present invention provides realizes Power output by the output flange 11 be installed on the gear shaft of power take-off, this output flange by cushion block and simultaneously through this cushion block and output flange 11 and the bolton be tightened on the gear shaft of power take-off on power take-off gear shaft, output flange is provided with 6 mounting holes for the outputting power that is connected with transmission shaft, output flange 11 is connected by involute splines with the gear shaft of power take-off, and is fastened by bolts on the gear shaft of power take-off.
The oil leab of the power takeoff at rear end of engine provided in the embodiment of the present invention specifically comprises:
Be opened in the annular oil groove B communicated on power take-off housing 17 and with flywheel shell oil inlet hole A;
One end communicates with above-mentioned annular oil groove B, the power take-off oil inlet hole that the other end communicates with bearing bore 8;
One end communicates with bearing bore 8, the power take-off spill port C that the other end communicates with the gear-box of motor.
After installing, flywheel shell oil inlet hole A is connected with annular oil groove B, such lubricant oil can be passed through flywheel shell oil inlet hole A and enters annular oil groove B, entered bearing bore 8 pairs of bearing lubrication of power take-off housing 17 inside by power take-off oil inlet hole by annular oil groove B, unnecessary lubricant oil flows back to engine gearbox through power take-off spill port C and finally enters oil sump.
In order to prevent the oil leakage in annular oil groove B, in the present embodiment, be also provided with the leakage that O RunddichtringO 6 stops lubricant oil respectively in the both sides of annular oil groove B.
Because the diameter of power take-off oil inlet hole and power take-off spill port C is less, direct in actual production process is be not easy very much to realize by directly punching to inner side outside power take-off housing 17, this will be easy to the fracture causing drill bit, therefore the convenience in order to process, the intercommunicating pore that power take-off oil inlet hole in the present embodiment comprises the first Oil Guide road 15 and the second Oil Guide road 14 and is arranged on annular oil groove B, first Oil Guide road 15 is arranged along the axis of power take-off housing 17, and communicated with above-mentioned annular oil groove B by the intercommunicating pore on annular oil groove B, second Oil Guide road 14 is arranged along the radial direction of power take-off housing 17, and communicate with the first Oil Guide road 15 and bearing bore 8.The degree of depth will effectively reducing drill bit and hole at every turn in course of working like this, reduces the difficulty of processing.
In order to improve the bearing capacity of the power takeoff at rear end of engine that the embodiment of the present invention provides, bearing near power take-off input end in the present embodiment specifically adopts roller bearing 5, bearing near power take-off output terminal adopts deep groove ball bearing 12, more firm in order to what make the inner ring of above-mentioned two bearings fix on the gear shaft of power take-off, prevent bearing inner race axial float, between two bearings, the first gear shaft spacer 7 has been installed additional in the present embodiment, roller bearing 5 is provided with the back-up ring 16 for limiting its outer ring axial float near the side of power take-off input end, deep groove ball bearing 12 compresses its bearing outer ring near the side of output terminal by power take-off end cap 9, its bearing inner race is compressed by output flange 11.Thus the profile passed through on the gear shaft of power take-off housing 17 and power take-off, and above-mentioned back-up ring 16 and power take-off end cap 9 and output flange 11 achieve inner ring and the outer ring location in bearing bore 8 of above-mentioned bearing, in order to prevent the leakage of lubricant oil, Sealing has been installed additional in power take-off end cap 9 and power take-off housing 17 cooperation place, as O RunddichtringO, as shown in Figure 2.
In order to further optimized project, prevent lubricant oil from revealing from deep groove ball bearing 12 near the side of output terminal, preferably between output flange 11 and the inner ring of deep groove ball bearing 12, the second gear shaft spacer 18 is provided with in the present embodiment, second gear shaft spacer 18 is set on the gear shaft of power take-off, and be provided with seal arrangement between itself and the gear shaft of power takeoff at rear end of engine, as O RunddichtringO, for preventing the leakage of lubricant oil.
In order to further optimize such scheme, the present embodiment is also provided with outside framework oil seal 10 between power take-off end cap 9 and the second gear shaft spacer 18, the upper-end surface of outside framework oil seal 10 coordinates with power take-off end cap 9, seal face coordinates with the second gear shaft spacer 18, thus can prevent lubricant oil from being revealed by the power take-off end cap 9 relatively rotated and the second gear shaft spacer 18.
Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a power takeoff at rear end of engine, comprise power take-off input end, power take-off output terminal, power take-off housing (17) and be installed on the power take-off end cap (9) of described power take-off housing (17) end, described power take-off housing (17) inside is provided with for bearings mounted bearing bore (8), it is characterized in that, described power take-off housing (17) can be embedded in flywheel shell (2) and to be connected with described flywheel shell (2) is dismantled and assembled, the part that described power take-off housing (17) is embedded at described flywheel shell (2) is provided with the oil leab communicated with described bearing bore (8), described oil leab specifically comprises:
Be opened in annular oil groove (B) that is on described power take-off housing (17) and that communicate with flywheel shell oil inlet hole (A);
One end communicates with described annular oil groove (B), the power take-off oil inlet hole that the other end communicates with described bearing bore (8);
One end communicates with described bearing bore (8), the power take-off spill port (C) that the other end communicates with gear-box.
2. power takeoff at rear end of engine according to claim 1, is characterized in that, described power take-off output terminal is provided with output flange (11).
3. power takeoff at rear end of engine according to claim 1, is characterized in that, described power take-off housing (17) is connected with described flywheel shell (2) bolt.
4. power takeoff at rear end of engine according to claim 1, is characterized in that, also comprises the O RunddichtringO (6) being arranged at described annular oil groove both sides.
5. power takeoff at rear end of engine according to claim 1, is characterized in that, described power take-off oil inlet hole comprises:
First Oil Guide road (15) and the second Oil Guide road (14) and the intercommunicating pore be arranged on described annular oil groove (B), described first Oil Guide road (15) is arranged along the axis of described power take-off housing (17), described first Oil Guide road (15) is communicated with described annular oil groove (B) by described intercommunicating pore, described second Oil Guide road (14) is arranged along the radial direction of described power take-off housing (17), and it communicates with described first Oil Guide road (15) and described bearing bore (8) simultaneously.
6. the power takeoff at rear end of engine according to claim 1-5 any one, it is characterized in that, the bearing being arranged at the close power take-off input end side in described bearing bore (8) is roller bearing (5), and the side bearing near power take-off output terminal is deep groove ball bearing (12).
7. power takeoff at rear end of engine according to claim 6, it is characterized in that, the first gear shaft spacer (7) for limiting bearing inner race axial float is provided with between described roller bearing (5) and deep groove ball bearing (12), described roller bearing (5) is provided with the back-up ring (16) for limiting its outer ring axial float near the side of power take-off input end, described deep groove ball bearing (12) compresses its bearing outer ring near the side of output terminal by power take-off end cap (9), its bearing inner race is compressed by output flange (11).
8. power takeoff at rear end of engine according to claim 7, it is characterized in that, also comprise be arranged at described output flange (11) and described deep groove ball bearing (12) inner ring between and be set in the second gear shaft spacer (18) of the gear shaft of power take-off, and be provided with seal arrangement between described second gear shaft spacer (18) and the gear shaft of power take-off.
9. power takeoff at rear end of engine according to claim 8, is characterized in that, is provided with outside framework oil seal between described power take-off end cap (9) and described second gear shaft spacer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210133140.7A CN103382891B (en) | 2012-05-02 | 2012-05-02 | A kind of power takeoff at rear end of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210133140.7A CN103382891B (en) | 2012-05-02 | 2012-05-02 | A kind of power takeoff at rear end of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103382891A CN103382891A (en) | 2013-11-06 |
| CN103382891B true CN103382891B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210133140.7A Active CN103382891B (en) | 2012-05-02 | 2012-05-02 | A kind of power takeoff at rear end of engine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611235A (en) * | 2019-01-17 | 2019-04-12 | 上海汽车集团股份有限公司 | Engine rear end sealing device |
| CN110816263B (en) * | 2019-12-06 | 2024-04-26 | 安徽华菱汽车有限公司 | Vehicle, power system and power takeoff thereof |
| CN113803439A (en) * | 2021-09-28 | 2021-12-17 | 重庆綦同汽车配件有限责任公司 | Front power takeoff |
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|---|---|---|---|---|
| CN201321893Y (en) * | 2008-12-25 | 2009-10-07 | 东风汽车公司 | Power take-off for rear gear chamber engine |
| EP2141373A1 (en) * | 2007-05-01 | 2010-01-06 | JTEKT Corporation | Bearing device for turbocharger |
| CN201443433U (en) * | 2009-07-08 | 2010-04-28 | 中国重汽集团济南动力有限公司 | Rear power takeoff device of engine |
| CN102434247A (en) * | 2011-12-28 | 2012-05-02 | 中国重汽集团济南动力有限公司 | Lubricating structure of engine rear power take-off device |
| CN202578903U (en) * | 2012-05-02 | 2012-12-05 | 安徽华菱汽车有限公司 | Power takeoff at rear end of engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2531027B2 (en) * | 1990-12-11 | 1996-09-04 | 株式会社豊田自動織機製作所 | Flywheel power take-out device with clutch |
-
2012
- 2012-05-02 CN CN201210133140.7A patent/CN103382891B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2141373A1 (en) * | 2007-05-01 | 2010-01-06 | JTEKT Corporation | Bearing device for turbocharger |
| CN201321893Y (en) * | 2008-12-25 | 2009-10-07 | 东风汽车公司 | Power take-off for rear gear chamber engine |
| CN201443433U (en) * | 2009-07-08 | 2010-04-28 | 中国重汽集团济南动力有限公司 | Rear power takeoff device of engine |
| CN102434247A (en) * | 2011-12-28 | 2012-05-02 | 中国重汽集团济南动力有限公司 | Lubricating structure of engine rear power take-off device |
| CN202578903U (en) * | 2012-05-02 | 2012-12-05 | 安徽华菱汽车有限公司 | Power takeoff at rear end of engine |
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| CN103382891A (en) | 2013-11-06 |
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Effective date of registration: 20231117 Address after: 243071 No. 359 Huxinan Road, Economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: Anhui Hanma Engine Co.,Ltd. Address before: 243061 Huxi South Road, Economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee before: ANHUI HUALING AUTOMOBILE Co.,Ltd. |
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