CN102322340B - Connecting device of rear PTO (Power Take-off) system of engine - Google Patents
Connecting device of rear PTO (Power Take-off) system of engine Download PDFInfo
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- CN102322340B CN102322340B CN2011102932488A CN201110293248A CN102322340B CN 102322340 B CN102322340 B CN 102322340B CN 2011102932488 A CN2011102932488 A CN 2011102932488A CN 201110293248 A CN201110293248 A CN 201110293248A CN 102322340 B CN102322340 B CN 102322340B
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Abstract
The invention discloses a connecting device of a rear PTO (Power Take-off) system of an engine. The connecting device comprises a rear PTO crankshaft gear and a flywheel connector, wherein the rear PTO crankshaft gear is installed on a crankshaft of the engine and is used for transmitting the power of the crankshaft, and one end of the crankshaft is positioned and connected with the crankshaft gear through a first connecting device; and one end of the flywheel connector is positioned and connected with the other end of the rear PTO crankshaft gear through a second connecting device, and the other end of the flywheel connector is positioned and connected with a flywheel through a third connecting device. According to the connecting device disclosed by the invention, through the connection method, the rear PTO crankshaft gear is added and is engaged with the rear PTO system so as to transmit mechanical energy out to realize rear power take-off; the flywheel connector is added to achieve the purpose of extending the length of the crankshaft without the need of changing the key parts and components such as the engine body, the crankshaft, a flywheel casing and the like, the length of the crankshaft can be extended, and the crankshaft can be connected with the flywheel, therefore the development cost and the development cycle of a rear PTO device are reduced.
Description
Technical field
The present invention relates to the technical field of power taking mode after motor, particularly a kind of connection set of rear power taking system of motor.
Background technique
Rear power taking is a critical function of motor, and the special-purpose vehicle that dumping car, fire-fighting truck, concrete mixer, refrigeration etc. need extra power, obtain by rear power takeoff.Rear power takeoff is the additional device (power take-off of concrete mixer is on clutch outer member) that can be arranged on the gearbox outside, and it obtains power from certain gear of gearbox, is more to realize on motor.Drive high pressure oil pump for dumping car by power take-off; Drive water pump for fire-fighting truck; Drive compressor for the refrigeration car; Drive oil hydraulic motor Stirring tank.
Due to the length of the bent axle of the motor that does not there is rear power taking function do not meet directly on bent axle, increase after the power taking system, so will not have the motor of rear power taking function, to upgrade to the implementation method that possesses rear power taking function be that the structure of revising engine body, bent axle and flywheel casing on original motor basis realizes.By the redesign crankshaft gear, extend bent axle, Flywheel on newly-designed crankshaft gear then,
This process is equal to substantially develops a new engine again.And, when the parts such as production body, bent axle and flywheel casing, needing brand-new design mould, frock etc., this causes having increased development cost and construction cycle.
Therefore, how in the situation that do not need to revise the length that bent axle extends bent axle, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of connection set of rear power taking system of motor, to solve in the situation that do not need to revise the length that bent axle extends bent axle.
For achieving the above object, the invention provides following technological scheme:
A kind of connection set of rear power taking system of motor, comprise the rear power taking crankshaft gear with gear the first junction plane and gear second junction plane and the flywheel connecting head with connecting head the first junction plane and connecting head second junction plane, wherein:
Described rear power taking crankshaft gear is arranged on engine crankshaft, and for transmitting bent axle power, one end and crankshaft gear are located by connecting by the first connection set;
One end of described flywheel connecting head and the other end of described rear power taking crankshaft gear are located by connecting by the second connection set, and its other end and flywheel are located by connecting by the 3rd connection set;
Also comprise the first locating stud, the second locating stud and the 3rd locating stud, wherein said gear the first junction plane is provided with the first positioning pin hole matched with the first locating stud, described gear the second junction plane has the second positioning pin hole matched with the second locating stud, described connecting head the first junction plane has the 3rd positioning pin hole matched with the second locating stud, and described connecting head the second junction plane has the 4th positioning pin hole matched with the 3rd locating stud.
Preferably, in the connection set of the rear power taking system of above-mentioned motor, described the first connection set, described the second connection set and described the 3rd connection set are screw, its middle gear first junction plane has the first tapped through hole, by described the first connection set, rear power taking crankshaft gear is connected with crankshaft gear; Gear the second junction plane has the second tapped through hole, and connecting head the first junction plane has the 3rd tapped through hole, and by described the second connection set, rear power taking crankshaft gear is connected with the flywheel connecting head; Connecting head the second junction plane has the 4th tapped hole, by described the 3rd connection set, the flywheel connecting head is connected with flywheel.
Preferably, in the connection set of the rear power taking system of above-mentioned motor, described rear power taking crankshaft gear is provided with the first ladder boss near described second junction plane of gear of described flywheel connecting head, described flywheel connecting head is provided with the second boss near described connecting head first junction plane of described rear power taking crankshaft gear, and described the first ladder boss contacts installation with described the second boss.
Preferably, in the connection set of the rear power taking system of above-mentioned motor, the boss face that is positioned at described the first ladder boss edge and the shape and size of described the second boss face are identical boss face.
Preferably, in the connection set of the rear power taking system of above-mentioned motor, the joint that described flywheel connecting head is hollow, its end near rear power taking crankshaft gear has the mounting hole matched with the boss face that is positioned at described the first ladder boss center position.
Preferably, in the connection set of the rear power taking system of above-mentioned motor, described gear first junction plane of described rear power taking crankshaft gear has the first ring connected in star, and described gear second junction plane of rear power taking crankshaft gear has the second annular groove.
Preferably, in the connection set of the rear power taking system of above-mentioned motor, described the first connection set is arranged in described the second annular groove; Described the second connection set is arranged in described first ring connected in star.
Can find out that from above-mentioned technological scheme the connection set of the rear power taking system of motor provided by the invention comprises and can separate with rear power taking system rear power taking crankshaft gear and the flywheel connecting head of engagement.Wherein, the power taking crankshaft gear is arranged on one end and crankshaft gear on engine crankshaft and is located by connecting by the first connection set; One end of flywheel connecting head and the other end of rear power taking crankshaft gear are located by connecting by the second connection set, and the other end of flywheel connecting head and flywheel are located by connecting by the 3rd connection set.The present invention, by above-mentioned Placement, has increased rear power taking crankshaft gear, and itself and rear power taking system mesh and mechanical energy is passed, and have realized rear power taking; Increase the flywheel connecting head and reached the purpose that extends crankshaft length, and no longer need to change the key components and partss such as engine body, bent axle, flywheel casing, just can extend crankshaft length bent axle is connected with flywheel, therefore, reduce development cost and the construction cycle of rear power takeoff.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the rear power taking crankshaft gear that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the sectional view of the rear power taking crankshaft gear that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the flywheel connecting head that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the sectional view of the flywheel connecting head that Fig. 4 provides for the embodiment of the present invention.
Wherein:
Rear power taking crankshaft gear 2, flywheel connecting head 3, gear the first junction plane 4, gear the second junction plane 5, the first tapped through hole 6, the first positioning pin hole 7, the second tapped through hole 8, the second positioning pin hole 9, connecting head the first junction plane 10, connecting head the second junction plane 11, the 3rd tapped through hole 12, the 3rd positioning pin hole 13, the 4th tapped hole 14, the 4th positioning pin hole 15.
Embodiment
The invention discloses a kind of connection set of rear power taking system of motor, to solve in the situation that do not need to revise the length that bent axle extends bent axle.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment who obtains, belong to the scope of protection of the invention.
Refer to shown in Fig. 1-Fig. 4 the structural representation of the rear power taking crankshaft gear that wherein Fig. 1 provides for the embodiment of the present invention; The structural representation of the sectional view of the rear power taking crankshaft gear that Fig. 2 provides for the embodiment of the present invention; The structural representation of the flywheel connecting head that Fig. 3 provides for the embodiment of the present invention; The structural representation of the sectional view of the flywheel connecting head that Fig. 4 provides for the embodiment of the present invention.
The invention provides a kind of connection set of rear power taking system of motor, comprise rear power taking crankshaft gear 2 and flywheel connecting head 3, wherein:
Rear power taking crankshaft gear 2 is arranged on engine crankshaft, and for transmitting bent axle power, one end and crankshaft gear are located by connecting by the first connection set;
One end of flywheel connecting head 3 and the other end of rear power taking crankshaft gear 2 are located by connecting by the second connection set, and its other end and flywheel are located by connecting by the 3rd connection set.
The present invention is for power taking system after directly installing on existing motor, therefore in the crankshaft gear back of motor, rear power taking crankshaft gear 2 is installed, thereby rear power taking crankshaft gear 2 can be used for, with rear power taking system engagement, mechanical energy is delivered to rear power taking system.But the length of the bent axle of existing motor not directly is connected with flywheel, in order to guarantee bent axle, can rotate by flywheel driven, the embodiment of the present invention increases flywheel connecting head 3 between rear power taking crankshaft gear 2 and flywheel, to extend the length of bent axle.Wherein, rear power taking crankshaft gear 2 (is arranged on the gear on bent axle by the first connection set and crankshaft gear, be commonly used to drive camshaft gear wheel, high-pressure oil pump gear etc.) be connected, to receive the power of bent axle, and give rear power taking system by rear power taking crankshaft gear 2 by transmission of power.Increase flywheel connecting head 3, to fill the distance between bent axle and flywheel, because flywheel connecting head 3 can not be arranged on bent axle, therefore an end of flywheel connecting head 3 is linked together by the second connection set and rear power taking crankshaft gear 2, and the other end of flywheel connecting head 3 is linked together by the 3rd connection set and flywheel, the length that has extended bent axle realizes being connected of bent axle and flywheel simultaneously.
In embodiment provided by the invention, the first connection set, the second connection set and the 3rd connection set are screw, and its middle gear first junction plane 4 has the first tapped through hole 6, by the first link, rear power taking crankshaft gear 2 is connected with crankshaft gear; Gear the second junction plane 5 has the second tapped through hole 7, and connecting head the first junction plane 10 has the 3rd tapped through hole 12, and by the second link, rear power taking crankshaft gear 2 is connected with flywheel connecting head 3; Connecting head the second junction plane 11 has the 4th tapped hole 14, by the 3rd link, flywheel connecting head 3 is connected with flywheel.
For power taking system after installing on existing device, the mode that the present invention is connected by screw, rear power taking crankshaft gear 2, Flywheel connecting head 3 between rear power taking crankshaft gear 2 and flywheel are installed in the crankshaft gear back on bent axle.In order to realize connecting, have the first tapped through hole 6 at gear the first junction plane 4, the position of this first tapped through hole 6 and size match with the tapped through hole on crankshaft gear, to meet by screw, rear power taking crankshaft gear 2 and crankshaft gear are linked together; Have the second tapped through hole 7 at gear the second junction plane 5, this second tapped through hole 7 matches with position and the size of the 3rd tapped through hole 12 that connecting head the first junction plane 10 has, and to meet by screw, rear power taking crankshaft gear 2 and flywheel connecting head 3 is linked together; The position and the size that have the 4th tapped hole 14, the four tapped holes 14 at connecting head the second junction plane 11 match with the tapped through hole on flywheel, to meet by screw, flywheel connecting head 3 and flywheel are linked together.Power taking system after can directly installing on existing bent axle by this Placement, need not redesign bent axle and motor again, saved development cost, shortened the construction cycle.
Convenient and swift in order to make to install, the connection set of the rear power taking system of motor provided by the invention also comprises the first locating stud, the second locating stud and the 3rd locating stud.While being connected with flywheel with rear power taking crankshaft gear 2 with screw, need to make tapped hole aim at, but flywheel connecting head 3 is not mounted on bent axle, has therefore increased the difficulty of direct installation, Given this, the present invention also is provided with locating stud.Wherein, gear the first junction plane 4 is provided with the first positioning pin hole 7 matched with the first locating stud, when rear power taking crankshaft gear 2 is connected with crankshaft gear, at first rear power taking crankshaft gear 2 is positioned, make the first tapped through hole 6 relative with the tapped hole on crankshaft gear; Have the second positioning pin hole 8 matched with the second locating stud at gear the second junction plane 5, connecting head the first junction plane 10 has the 3rd positioning pin hole 13 matched with the second locating stud, when power taking crankshaft gear 2 is connected with flywheel connecting head 3, at first flywheel connecting head 3 is positioned, make the second tapped through hole 7 relative with the 3rd tapped through hole 12; Have the 4th positioning pin hole 15 matched with the 3rd locating stud at connecting head the second junction plane 11, when flywheel connecting head 3 is connected with flywheel, at first flywheel is positioned, make the 4th tapped hole 14 relative with the tapped hole arranged on flywheel.Increase locating stud and improved installation efficiency.
It will be appreciated by persons skilled in the art that crankshaft gear, rear power taking crankshaft gear 2 and flywheel connecting head 3 directly are made of one, or the combination of two in this three is made of one, the present invention does not do restriction.
The connection set of the rear power taking system of the motor provided in the embodiment of the present invention, in order to save material, gear second junction plane 5 of rear power taking crankshaft gear 2 close flywheel connecting heads 3 is made as to the first ladder boss structure, in order to make accurate positioning, connecting head the first junction plane 10 at flywheel connecting head 3 close rear power taking crankshaft gears 2 is made as the second boss, the first ladder boss contacts installation with the second boss, and the stationarity that has guaranteed 3 rotations of flywheel connecting head is installed by the contact of face.
For attractive in appearance and easy to process, in the embodiment of the present invention using the shape and size of the boss face of the first ladder boss edge and the second boss face as identical boss face.
The flywheel connecting head 3 provided in the embodiment of the present invention is the joint of hollow, and will have near an end of rear power taking crankshaft gear 2 installation matched with the boss face that is positioned at the first ladder boss center position, its objective is in order to increase the area of contact of rear power taking crankshaft gear 2 and flywheel connecting head 3, better flywheel connecting head 3 is positioned.During installation, the boss of the first ladder boss center position is arranged in the mounting hole of flywheel connecting head 3.Flywheel connecting head 3 is made as to the structure of hollow, has not only saved material, and reduced the requirement of strength to the second connection set and the 3rd connection set.
In order to save the attractive in appearance of material and the rear system of assembling, the end face of rear power taking crankshaft gear first junction plane 4 of rear power taking crankshaft gear 2 has the first ring connected in star, and the end face of rear power taking crankshaft gear the second junction plane 5 has the second annular groove.
In order further to optimize technique scheme, the first connection set is arranged in the second annular groove, the second connection set is arranged in the first ring connected in star.When rear power taking crankshaft gear 2 and flywheel connecting head 3 are connected by screw, an end of screw can be hidden in the first ring connected in star, has not only protected screw also to realize attractive in appearance after the assembling; When rear power taking crankshaft gear 2 is connected by screw with crankshaft gear, an end of screw is hidden in the second annular groove, and the fastening space that provides of screw is provided.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiments will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the connection set of the rear power taking system of a motor, it is characterized in that, comprise the rear power taking crankshaft gear (2) with gear the first junction plane (4) and gear second junction plane (5) and there is connecting head the first junction plane (10) and the flywheel connecting head (3) of connecting head the second junction plane (11), wherein:
Described rear power taking crankshaft gear (2) is arranged on engine crankshaft, and for transmitting bent axle power, one end and crankshaft gear are located by connecting by the first connection set;
The other end of one end of described flywheel connecting head (3) and described rear power taking crankshaft gear (2) is located by connecting by the second connection set, and its other end and flywheel are located by connecting by the 3rd connection set;
Described the first connection set, described the second connection set and described the 3rd connection set are screw, its middle gear first junction plane (4) has the first tapped through hole (6), by described the first connection set, rear power taking crankshaft gear (2) is connected with crankshaft gear; Gear the second junction plane (5) has the second tapped through hole (7), and connecting head the first junction plane (10) has the 3rd tapped through hole (12), and by described the second connection set, rear power taking crankshaft gear (2) is connected with flywheel connecting head (3); Connecting head the second junction plane (11) has the 4th tapped hole (14), by described the 3rd connection set, flywheel connecting head (3) is connected with flywheel;
Also comprise the first locating stud, the second locating stud and the 3rd locating stud, wherein said gear the first junction plane (4) is provided with the first positioning pin hole (7) matched with the first locating stud, described gear the second junction plane (5) has the second positioning pin hole (8) matched with the second locating stud, described connecting head the first junction plane (10) has the 3rd positioning pin hole (13) matched with the second locating stud, and described connecting head the second junction plane (11) has the 4th positioning pin hole (15) matched with the 3rd locating stud.
2. the connection set of the rear power taking system of motor according to claim 1, it is characterized in that, described rear power taking crankshaft gear (2) is provided with the first ladder boss near described second junction plane of gear (5) of described flywheel connecting head (3), described flywheel connecting head (3) is provided with the second boss near described connecting head first junction plane (10) of described rear power taking crankshaft gear (2), and described the first ladder boss contacts installation with described the second boss.
3. the connection set of the rear power taking system of motor according to claim 2, is characterized in that, the boss face that is positioned at described the first ladder boss edge is the boss face that shape and size are identical with described the second boss face.
4. the connection set of the rear power taking system of motor according to claim 3, it is characterized in that, the joint that described flywheel connecting head (3) is hollow, its end near rear power taking crankshaft gear (2) has the mounting hole matched with the boss face that is positioned at described the first ladder boss center position.
5. the connection set of the rear power taking system of motor according to claim 2, it is characterized in that, described gear first junction plane (4) of described rear power taking crankshaft gear (2) has the first ring connected in star, and described gear second junction plane (5) of rear power taking crankshaft gear (2) has the second annular groove.
6. the connection set of the rear power taking system of motor according to claim 5, is characterized in that, described the first connection set is arranged in described the second annular groove; Described the second connection set is arranged in described first ring connected in star.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102932488A CN102322340B (en) | 2011-09-29 | 2011-09-29 | Connecting device of rear PTO (Power Take-off) system of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102932488A CN102322340B (en) | 2011-09-29 | 2011-09-29 | Connecting device of rear PTO (Power Take-off) system of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102322340A CN102322340A (en) | 2012-01-18 |
| CN102322340B true CN102322340B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102932488A Active CN102322340B (en) | 2011-09-29 | 2011-09-29 | Connecting device of rear PTO (Power Take-off) system of engine |
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| Country | Link |
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| CN (1) | CN102322340B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387062A (en) * | 2015-12-30 | 2016-03-09 | 广西玉柴机器股份有限公司 | Power transmission shaft of diesel engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB883038A (en) * | 1959-07-07 | 1961-11-22 | Crane Carrier Corp | Flywheel power take-off |
| US3861172A (en) * | 1972-06-16 | 1975-01-21 | Kupplungstechnik Gmbh | Coupling for combustion engine |
| CN200978714Y (en) * | 2006-11-15 | 2007-11-21 | 中国重型汽车集团有限公司 | Back power taker device of engine |
| CN201351530Y (en) * | 2008-12-24 | 2009-11-25 | 天津雷沃动力股份有限公司 | Power output structure of engine |
| CN201363196Y (en) * | 2009-01-12 | 2009-12-16 | 广西玉柴机器股份有限公司 | Power output structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044499B2 (en) * | 1981-10-30 | 1985-10-03 | 富士重工業株式会社 | Engine power take-off device |
| JP2002161752A (en) * | 2001-11-20 | 2002-06-07 | Yanmar Diesel Engine Co Ltd | Internal combustion engine |
-
2011
- 2011-09-29 CN CN2011102932488A patent/CN102322340B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB883038A (en) * | 1959-07-07 | 1961-11-22 | Crane Carrier Corp | Flywheel power take-off |
| US3861172A (en) * | 1972-06-16 | 1975-01-21 | Kupplungstechnik Gmbh | Coupling for combustion engine |
| CN200978714Y (en) * | 2006-11-15 | 2007-11-21 | 中国重型汽车集团有限公司 | Back power taker device of engine |
| CN201351530Y (en) * | 2008-12-24 | 2009-11-25 | 天津雷沃动力股份有限公司 | Power output structure of engine |
| CN201363196Y (en) * | 2009-01-12 | 2009-12-16 | 广西玉柴机器股份有限公司 | Power output structure |
Non-Patent Citations (2)
| Title |
|---|
| JP昭58-74833A 1983.05.06 |
| JP特开2002-161752A 2002.06.07 |
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