CN202578903U - Power takeoff at rear end of engine - Google Patents
Power takeoff at rear end of engine Download PDFInfo
- Publication number
- CN202578903U CN202578903U CN 201220193905 CN201220193905U CN202578903U CN 202578903 U CN202578903 U CN 202578903U CN 201220193905 CN201220193905 CN 201220193905 CN 201220193905 U CN201220193905 U CN 201220193905U CN 202578903 U CN202578903 U CN 202578903U
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- Prior art keywords
- power take
- bearing
- rear end
- housing
- oil
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- Withdrawn - After Issue
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Abstract
The utility model relates to a power takeoff at the rear end of an engine. The power takeoff comprises a power takeoff input end, a power takeoff output end and a power takeoff shell, wherein a bearing cavity for accommodating a bearing is formed in the power takeoff shell; the power takeoff shell can be embedded into a flywheel shell and is detachably connected with the flywheel shell; and the part of the power takeoff shell, which is embedded into the flywheel shell, is provided with a lubricating oil channel communicated with the bearing cavity. The power takeoff shell can be embedded into the flywheel shell and is detachably connected with the flywheel shell, so that the problem that the conventional power takeoff at the rear end of the engine is difficult to assemble and disassemble is effectively solved; furthermore, the part of the power takeoff shell, which is embedded into the flywheel shell, is provided with a lubricating oil channel communicated with the bearing cavity, so that the inner part of the power takeoff can be directly lubricated; and compared with the conventional method for lubricating the inner bearing of the power takeoff through an external oil channel, the power takeoff has the advantages that the assembly space in the engine is saved, and the production cost is reduced.
Description
Technical field
The utility model relates to engine torque extraction device technical field, relates in particular to a kind of motor rear end power take-off.
Background technique
Continuous development along with society; Heavy cement agitator truck and the demand of large-tonnage special car on market heighten; The power takeoff of motor and the matching deficiency of car load power system have appearred; Badly influence the reliability and the Security of motor upper end power system, its main cause is that the power take-off that adopts mainly is that crank pulley through front end is directly driven by belt, and it is little that this not only exists output torque; The shortcoming that noise is big also causes the lost of life of power takeoff even motor itself easily.
Thereby having produced in the motor rear end rear end power take-off that drives through crankshaft gear, its groundwork principle is to drive idle gear through crankshaft gear, drives the power take-off gear shaft through idle gear again and is rotated, by the output that will rotatablely move of power take-off gear shaft.
Though present rear end power take-off has overcome the little and big shortcoming of noise of front end power take-off output torque; But the housing of power take-off and the shell cast of engine flywheel become one structure at present; Cause the dismounting of power take-off to become very inconvenient; And the lubricated of the bearing in the power take-off need realize that this has not only caused the crowded of engine interior space, and has increased manufacture cost through external oil duct.
Therefore, how developing a kind of both easy accessibility, can realize inner directly lubricated rear end power take-off again, is the technical problem that present those skilled in the art need solution badly.
The model utility content
The purpose of the utility model provides a kind of motor rear end power take-off, so that the easy accessibility of rear end power take-off, and can realize that self is inner directly lubricated, thus realize the saving of cost.
For solving the problems of the technologies described above; The utility model provides a kind of motor rear end power take-off; Comprise power take-off input end, power take-off output terminal, power take-off housing and the power take-off end cap that is installed on said auxiliary-drive casing end of body; Said power take-off housing set inside is useful on bearings mounted bearing bore; Said power take-off housing can be embedded in the flywheel shell and with said flywheel shell is dismantled and assembled and be connected, and the part that said power take-off housing is embedded at said flywheel shell is provided with the oil leab that communicates with said bearing bore.
Preferably, said power take-off output terminal is provided with output flange.
Preferably, said power take-off housing is connected with said flywheel shell bolt.
Preferably, said oil leab specifically comprises:
Be opened in annular oil groove on the said power take-off housing and that communicate with the flywheel shell oil inlet hole;
One end communicates with said annular oil groove, the power take-off oil inlet hole that the other end communicates with said bearing bore;
One end communicates with said bearing bore, the power take-off spill port that the other end communicates with gear-box.
Preferably, also comprise the O RunddichtringO that is arranged at said annular oil groove both sides.
Preferably, said power take-off oil inlet hole comprises:
The first Oil Guide road and the second Oil Guide road and be arranged at the intercommunicating pore on the said annular oil groove; The said first Oil Guide road is along the axial setting of said power take-off housing; Said intercommunicating pore is communicated with said first Oil Guide road and said annular oil groove; The said second Oil Guide road is along the radially setting of said power take-off housing, and it communicates with said first Oil Guide road and said bearing bore simultaneously.
Preferably, the bearing near power take-off input end one side that is arranged in the said bearing bore is a roller bearing, is deep groove ball bearing near a side bearing of power take-off output terminal.
Preferably; Be provided with the first gear shaft spacer that is used to limit the bearing inner race axial float between said roller bearing and the deep groove ball bearing; Said roller bearing is provided with the back-up ring that is used to limit its outer ring axial float near a side of power take-off input end; Said deep groove ball bearing compresses its bearing outer ring near a side of output terminal through the power take-off end cap, compresses its bearing inner race through output flange.
Preferably, also comprise the second gear shaft spacer between the inner ring that is arranged at said output flange and said deep groove ball bearing, and be provided with seal arrangement between the gear shaft of said second gear shaft spacer and said motor rear end power take-off.
Preferably, be provided with outside framework oil seal between said power take-off end cap and the said second gear shaft spacer.
Can find out the motor rear end power take-off that the utility model provides by above technological scheme; Because its housing can be embedded in the flywheel shell; And be connected with flywheel shell is dismantled and assembled, thereby efficiently solve the problem of present motor rear end power take-off dismounting difficulty, simultaneously the utility model the part that the power take-off housing is embedded at flywheel shell also be provided with the power take-off housing in the oil leab that communicates of bearing bore; This oil leab will communicate with the flywheel casing oil inlet hole on the flywheel shell after power take-off is installed on the flywheel shell; The flywheel casing oil inlet hole communicates with the interior oil leab of gear-box, thereby realizes that power take-off is inner directly lubricated, compares with the mode of the lubricated power take-off internal bearings of the external oil duct of present employing; Not only save the installing space of engine interior, also reduced cost of production simultaneously.
Description of drawings
The scheme of installation of motor rear end power take-off on flywheel shell that Fig. 1 is provided for the utility model embodiment;
The partial sectional view of the motor rear end power take-off that Fig. 2 is provided for the utility model embodiment.
Among last Fig. 1-Fig. 2,1 is the power take-off gear, and 2 is flywheel shell, and 3 is idle gear, and 4 is crankshaft gear; 5 is roller bearing, and 6 is the O RunddichtringO, and 7 is the first gear shaft spacer, and 8 is bearing bore, and 9 is the power take-off end cap; 10 is outside framework oil seal, and 11 is output flange, and 12 is deep groove ball bearing, and 13 is bolt of cover; 14 is the second Oil Guide road, and 15 is the first Oil Guide road, and 16 is back-up ring, and 17 is the power take-off housing; 18 is the second gear shaft spacer, and A is the flywheel shell oil inlet hole, and B is an annular oil groove, and C is the power take-off spill port.
Embodiment
The core of the utility model provides a kind of motor rear end power take-off; This motor rear end power take-off is embedded in the flywheel casing through adopting removable power take-off shell; The dismounting difficult problem of the power take-off that effectively solves; The motor rear end power take-off that simultaneously the utility model provided be embedded at part on the flywheel casing also be provided with the power take-off housing in the oil leab that communicates of bearing bore; Thereby the inside of having realized power take-off is directly lubricated, has effectively saved the inside installing space of motor, has reduced cost of production simultaneously.
In order to make those skilled in the art person understand the scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
Please refer to the scheme of installation of motor rear end power take-off on flywheel shell that Fig. 1 accompanying drawing 1 is provided for the utility model embodiment.
The power take-off housing 17 of the motor rear end power take-off that the utility model embodiment is provided is embedded in the flywheel shell 2, and with 2 dismantled and assembled connections of flywheel shell, power take-off gear 1 is meshed with idle gear 3, 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 and rotates, and idle gear 3 passes to power take-off gear 1 with rotation, and finally exports torque through the gear shaft of power take-off.
Motor disclosed in the utility model rear end power take-off comprises power take-off input end, power take-off output terminal, power take-off housing 17 and the power take-off end cap 9 that is installed on power take-off housing 17 ends; Power take-off housing 17 set inside are useful on bearings mounted bearing bore 8; This power take-off housing 17 can be embedded in the flywheel shell 2 and with 2 dismantled and assembled connections of flywheel shell, and the parts that power take-off housing 17 is embedded in the flywheel shell 2 are provided with the oil leab that communicates with above-mentioned bearing bore 8.
The motor rear end power take-off that the utility model provided; Because its power take-off housing 17 can be embedded in the flywheel shell 2; And with 2 dismantled and assembled connections of flywheel shell, thereby efficiently solve the problem of present motor rear end power take-off dismounting difficulty, simultaneously the utility model the part that power take-off housing 17 is embedded at flywheel shell 2 also be provided with power take-off housing 17 in the oil leab that communicates of bearing bore 8; This oil leab will communicate with the flywheel shell oil inlet hole A on the flywheel shell 2 after power take-off is installed on the flywheel shell 2; Oil inlet hole A on the flywheel casing communicates with gear inlet oil duct, thereby realizes that power take-off is inner directly lubricated, compares with the mode of the lubricated power take-off internal bearings of the external oil duct of present employing; Not only save the installing space of engine interior, also reduced cost of production simultaneously.
More concrete, please be simultaneously with reference to figure 1 and Fig. 2, the scheme of installation of the motor rear end power take-off that Fig. 1 is provided for the utility model embodiment, the partial sectional view of the motor rear end power take-off that Fig. 2 is provided for the utility model embodiment.
Power take-off housing 17 is embedded in the flywheel shell 2; And power take-off housing 17 is anchored on the flywheel shell 2 through four bolts of cover 13; Thereby the realization power take-off is dismantled and assembled with respect to flywheel shell, can also adopt other modes to realize the dismantled and assembled of power take-off certainly, for example takes screw-thread fit the power take-off housing to be tightened in the dismantled and assembled connection that can realize power take-off on the flywheel shell too; Be provided with bearing bore 8 in the power take-off housing 17; In the bearing bore 8 bearing is installed, the outer ring of bearing is fixedly set on the inwall of power take-off housing 17 through the mode of hot pressing, and inner ring all adopts interference fit to be fixedly connected with the gear shaft of power take-off.
The motor rear end power take-off that the utility model embodiment is provided is to realize power output through the output flange on the gear shaft that is installed on power take-off 11; This output flange is through cushion block and pass this cushion block and output flange 11 simultaneously and be tightened in bolton on the gear shaft of power take-off on the power take-off gear shaft; Output flange is provided with the mounting hole of 6 outputting powers that are used for linking to each other with transmission shaft; Output flange 11 is connected through involute splines with the gear shaft of power take-off, and passes through bolton on the gear shaft of power take-off.
The oil leab of the motor rear end power take-off that is provided among the utility model embodiment specifically comprises:
Be opened on the power take-off housing 17 and the annular oil groove B that communicates 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; Lubricant oil can pass through flywheel shell oil inlet hole A and get into annular oil groove B like this; By 8 pairs of bearing lubrication of bearing bore that annular oil groove B gets into power take-off housing 17 inside through the power take-off oil inlet hole, unnecessary lubricant oil flows back to engine gearbox and the final oil sump that gets into through power take-off spill port C.
In order to prevent the oil leakage in the annular oil groove B, also be provided with the leakage that O RunddichtringO 6 stops lubricant oil in the present embodiment 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; In actual production process, directly be not easy very much to realize to inboard directly punching by power take-off housing 17 outsides; This will be easy to cause the fracture of drill bit, so the convenience in order to process, and the 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 at the intercommunicating pore on the annular oil groove B; The first Oil Guide road 15 is along the axial setting of power take-off housing 17; And communicate with above-mentioned annular oil groove B through the intercommunicating pore on the annular oil groove B, the second Oil Guide road 14 is along the radially setting of power take-off housing 17, and communicates with bearing bore 8 with the first Oil Guide road 15.In course of working, will effectively reduce the degree of depth of the each boring of drill bit like this, reduce the difficulty of processing.
In order to improve the bearing capacity of the motor rear end power take-off that the utility model embodiment provided; Bearing near the power take-off input end in the present embodiment specifically adopts roller bearing 5; Bearing near the power take-off output terminal adopts deep groove ball bearing 12; For the inner ring that makes above-mentioned two bearings fixing more firm on the gear shaft of power take-off; Prevent the bearing inner race axial float, between two bearings, installed the first gear shaft spacer 7 in the present embodiment additional, roller bearing 5 is provided with the back-up ring 16 that is used to limit its outer ring axial float near a side of power take-off input end; Deep groove ball bearing 12 compresses its bearing outer ring near a side of output terminal through power take-off end cap 9, compresses its bearing inner race through output flange 11.Thereby through the profile 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 inner ring and the outer ring location in bearing bore 8 of having realized above-mentioned bearing; In order to prevent the leakage of lubricant oil; Installed Sealing additional in power take-off end cap 9 and power take-off housing 17 cooperation places, like the O RunddichtringO, as shown in Figure 2.
For further optimized project; Prevent that lubricant oil is from the side leakage of deep groove ball bearing 12 near output terminal; Preferably between the inner ring of output flange 11 and deep groove ball bearing 12, be provided with the second gear shaft spacer, 18, the second gear shaft spacers 18 in the present embodiment and be set on the gear shaft of power take-off, and be provided with seal arrangement between the gear shaft of itself and motor rear end power take-off; Like the O RunddichtringO, be used to prevent the leakage of lubricant oil.
In order further to optimize such scheme; Present embodiment also is provided with outside framework oil seal 10 between the power take-off end cap 9 and the second gear shaft spacer 18; The upper-end surface of outside framework oil seal 10 cooperates with power take-off end cap 9; Seal face cooperates with the second gear shaft spacer 18, thereby can prevent that lubricant oil is by counterrotating power take-off end cap 9 and the leakage of the second gear shaft spacer, 18 places.
More than the motor rear end power take-off that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the mode of execution of the utility model are set forth, above embodiment's explanation just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. motor rear end power take-off; Comprise power take-off input end, power take-off output terminal, power take-off housing (17) and the power take-off end cap (9) that is installed on said power take-off housing (17) end; Said power take-off housing (17) set inside is useful on bearings mounted bearing bore (8); It is characterized in that; Said power take-off housing (17) can be embedded in the flywheel shell (2) and with dismantled and assembled connection of said flywheel shell (2), the part that said power take-off housing (17) is embedded at said flywheel shell (2) is provided with the oil leab that communicates with said bearing bore (8).
2. motor according to claim 1 rear end power take-off is characterized in that said power take-off output terminal is provided with output flange (11).
3. motor according to claim 1 rear end power take-off is characterized in that, said power take-off housing (17) is connected with said flywheel shell (2) bolt.
4. motor according to claim 1 rear end power take-off is characterized in that said oil leab specifically comprises:
Be opened in annular oil groove (B) on the said power take-off housing (17) and that communicate with flywheel shell oil inlet hole (A);
One end communicates with said annular oil groove (B), the power take-off oil inlet hole that the other end communicates with said bearing bore (8);
One end communicates with said bearing bore (8), the power take-off spill port (C) that the other end communicates with gear-box.
5. motor according to claim 4 rear end power take-off is characterized in that, also comprises the O RunddichtringO (6) that is arranged at said annular oil groove both sides.
6. motor according to claim 4 rear end power take-off is characterized in that, said power take-off oil inlet hole comprises:
The first Oil Guide road (15) and the second Oil Guide road (14) and be arranged at the intercommunicating pore on the said annular oil groove (B); The said first Oil Guide road (15) is along the axial setting of said power take-off housing (17); Said intercommunicating pore is communicated with said first Oil Guide road (15) and said annular oil groove (B); The said second Oil Guide road (14) is along the radially setting of said power take-off housing (17), and it communicates with said first Oil Guide road (15) and said bearing bore (8) simultaneously.
7. according to any described motor rear end power take-off of claim 1-6; It is characterized in that; The bearing near power take-off input end one side that is arranged in the said bearing bore (8) is roller bearing (5), is deep groove ball bearing (12) near a side bearing of power take-off output terminal.
8. motor according to claim 7 rear end power take-off; It is characterized in that; Be provided with the first gear shaft spacer (7) that is used to limit the bearing inner race axial float between said roller bearing (5) and the deep groove ball bearing (12); Said roller bearing (5) is provided with the back-up ring (16) that is used to limit its outer ring axial float near a side of power take-off input end; Said deep groove ball bearing (12) compresses its bearing outer ring near a side of output terminal through power take-off end cap (9), compresses its bearing inner race through output flange (11).
9. motor according to claim 8 rear end power take-off; It is characterized in that; Also comprise between the inner ring that is arranged at said output flange (11) and said deep groove ball bearing (12) 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 the gear shaft of said second gear shaft spacer (18) and power take-off.
10. motor according to claim 9 rear end power take-off is characterized in that, is provided with outside framework oil seal between said power take-off end cap (9) and the said second gear shaft spacer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220193905 CN202578903U (en) | 2012-05-02 | 2012-05-02 | Power takeoff at rear end of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220193905 CN202578903U (en) | 2012-05-02 | 2012-05-02 | Power takeoff at rear end of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202578903U true CN202578903U (en) | 2012-12-05 |
Family
ID=47248323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220193905 Withdrawn - After Issue CN202578903U (en) | 2012-05-02 | 2012-05-02 | Power takeoff at rear end of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202578903U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043217A (en) * | 2012-12-31 | 2013-04-17 | 清华大学 | Power output assembly of aviation piston engine |
| CN103382891A (en) * | 2012-05-02 | 2013-11-06 | 安徽华菱汽车有限公司 | Power takeoff at rear end of engine |
| CN103382993A (en) * | 2013-08-07 | 2013-11-06 | 福建尚锟齿轮箱制造有限公司 | Transfer case assembly |
| CN106224507A (en) * | 2016-08-20 | 2016-12-14 | 泉州鑫豪工程机械科技有限公司 | A kind of power takeoff of compact conformation |
| CN110816263A (en) * | 2019-12-06 | 2020-02-21 | 安徽华菱汽车有限公司 | Vehicle, power system and power takeoff thereof |
-
2012
- 2012-05-02 CN CN 201220193905 patent/CN202578903U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382891A (en) * | 2012-05-02 | 2013-11-06 | 安徽华菱汽车有限公司 | Power takeoff at rear end of engine |
| CN103382891B (en) * | 2012-05-02 | 2015-11-25 | 安徽华菱汽车有限公司 | A kind of power takeoff at rear end of engine |
| CN103043217A (en) * | 2012-12-31 | 2013-04-17 | 清华大学 | Power output assembly of aviation piston engine |
| CN103382993A (en) * | 2013-08-07 | 2013-11-06 | 福建尚锟齿轮箱制造有限公司 | Transfer case assembly |
| CN103382993B (en) * | 2013-08-07 | 2017-03-01 | 福建尚锟齿轮箱制造有限公司 | Transfer box assembly |
| CN106224507A (en) * | 2016-08-20 | 2016-12-14 | 泉州鑫豪工程机械科技有限公司 | A kind of power takeoff of compact conformation |
| CN110816263A (en) * | 2019-12-06 | 2020-02-21 | 安徽华菱汽车有限公司 | Vehicle, power system and power takeoff thereof |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121205 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |