CN112696483A - Special vehicle power switching transmission integrated device - Google Patents
Special vehicle power switching transmission integrated device Download PDFInfo
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- CN112696483A CN112696483A CN202011540346.2A CN202011540346A CN112696483A CN 112696483 A CN112696483 A CN 112696483A CN 202011540346 A CN202011540346 A CN 202011540346A CN 112696483 A CN112696483 A CN 112696483A
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Abstract
The invention discloses a power switching transmission integrated device for a special vehicle. The output shaft is fixed in the connecting disc bearing seat through an input end conical bearing and an output end conical bearing, the input end conical bearing and the output end conical bearing are symmetrically arranged in the connecting disc, and the connecting disc is fixedly connected with a shell of a gearbox or a reduction gearbox. The invention is adapted to the automobile gear box (reduction box), the output shaft and the engine (motor) with different interfaces, can support the flywheel or the hydraulic torque converter, avoids the condition that the output shaft of the driver can bear extra load, reliably and stably transmits power to the gear box, and has split type, easy disassembly and simple structure.
Description
Technical Field
The invention belongs to the technical field of transmission, and particularly relates to a power switching transmission integrated device for a special vehicle.
Background
At present, the power transmission scheme of the internal combustion engine automobile of the existing vehicle generally adopts the direct connection of an engine and a speed changer or a reduction gearbox to realize the power transmission of the vehicle to realize the function of the vehicle, along with the increasing requirements of special vehicles, the transmission scheme of a power transmission system is continuously innovated, and the direct connection of the engine and the speed changer or the reduction gearbox generates transmission routes of a transmission shaft and a gearbox, a power distributor and the connection of the transmission shaft and the gearbox or the reduction gearbox and the like.
Most of the existing special vehicle transmission systems realize axial and radial installation positioning and power transmission with the engine through parts such as a flywheel and a flywheel shell of the engine, but a plurality of structures are complex, the installation and the disassembly are inconvenient, in addition, the interface of the power transmission system commonly used in the prior art is changed along with different special vehicle types, the application environment has water surface, land, mountainous areas, muddy and the like, especially, the power system formed by the engine, a transmission assembly and the like is needed, the optimal arrangement of the power transmission system is often needed according to the requirements of different vehicles, the commonly used connecting device can cause the poor effect of the power transmission of partial application conditions, the unreliable performance is realized, the use requirements can not be met, and the special vehicle transmission system can only be suitable for the problems of a certain model and the like.
Because special vehicle diesel engine is big moment of torsion, and the moment of torsion fluctuation is big, derailleur or reducing gear box need flywheel, hydraulic torque converter, the clutch of great quality to realize shifting, if only use current single bearing spline directly to link the driving machine and transmit power again, the driving machine output shaft can bear extra load, can reduce transmission's life, lead to the poor, unreliable problem of some application condition power transmission's effect, consequently need design a special vehicle power switching transmission integrated device, deal with the problem that the special vehicle power switching mouth is many simultaneously.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provide a power switching transmission integrated device for a special vehicle.
The technical scheme adopted by the invention is as follows: the utility model provides a special type car power switching transmission integrated device, includes the output shaft, the output shaft is fixed in the connection pad bearing frame through input end cone bearing, output end cone bearing, input end cone bearing, output end cone bearing symmetrical arrangement are in the connection pad, the connection pad is fixed connection with the shell fixed connection of gearbox or reducing gear box.
In a further preferable structure, the connecting disc is of a stepped hollow structure of the horn-shaped shell, a suspension interface used for being in suspension connection with the power assembly is arranged outside the connecting disc, and the large opening end of the horn-shaped shell is fixedly connected with a shell of the gearbox or the reduction gearbox.
The structure of further preferred, flange, first oil blanket, input end taper bearing, output end taper bearing, second oil blanket have been arranged from the horn shape casing osculum end to macrostoma end right side in proper order in the connection pad, input end taper bearing, output end taper bearing outer lane and connection pad interference fit pressure equipment are integrative, inner circle and output shaft interference fit.
In a further preferable structure, the output shaft and the connecting flange are fixedly connected through spline centering and a locking nut.
In a further preferred structure, a boss used for limiting the input end conical bearing and the output end conical bearing is arranged in the connecting disc, and the boss is located between the input end conical bearing and the output end conical bearing.
In a further preferable structure, the inner ring of the input end cone bearing is positioned through a connecting flange and a bushing pressed on the output shaft, the bushing and the output shaft are in interference fit, and the inner ring of the output end cone bearing is positioned through the bushing and the output shaft.
In a further preferred structure, the input end conical bearing is provided with an oil filling port, and an oil filling plug is arranged at the oil filling port.
In a further preferred structure, the output shaft comprises an input end, a shaft shoulder and a connecting end, the shaft shoulder is positioned with the input end conical bearing and the output end conical bearing, the connecting end is connected with the flexible disk and the hydraulic torque converter, and the diameter of the connecting end is larger than that of the input end.
In a further preferred structure, one end of the flexible disk is connected with the output shaft, and the other end of the flexible disk is connected with the hydraulic torque converter.
In a further preferred structure, the flexible disk and the hydraulic torque converter are located in a shell of a gearbox or a reduction gearbox.
The invention has the beneficial effects that: the automobile transmission case (reduction box) of different interfaces of adaptation, output shaft and engine (motor), can support flywheel or torque converter, avoid the driver output shaft to bear extra load, reliable and steady transmission to the gearbox with power, split type easy dismantlement, moreover, the steam generator is simple in structure, easy realization, adopt the stamping workpiece, increase the lightweight scheme, welding process has been avoided, the volume has been reduced, the purpose of weight reduction is realized, adopt the self-lubricating mode, double helix lubricating oil duct, the switching device reserves suspension interface and supports the power transmission system, and can change the flange in the switching device and the external interface form of output shaft according to different output shafts or engine and gearbox types, any flange and output shaft form can be changed alone, and convenient dismantlement through bolted connection, the non-welded structure is convenient for daily maintenance.
Drawings
FIG. 1 is an exploded view of a part of the present invention;
FIG. 2 is a cross-sectional view of a component 1-10 of the present invention;
FIG. 3 is a schematic view of the output shaft of the present invention;
FIG. 4 is a schematic view of the flexible disk structure of the present invention.
The hydraulic transmission device comprises a locking nut 1, a connecting flange 2, a first oil seal 3, an input end conical bearing 4, a connecting disc 5 (a boss 5-1), an oil filling plug 6, an output end conical bearing 7, a second oil seal 8, an output shaft 9 (an input end 9-1, a shaft shoulder 9-2 and a connecting end 9-3), a flexible disc 10, a hydraulic torque converter 11, a transmission case 12 or a reduction gearbox.
Detailed Description
The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention, but are for clear understanding.
As shown in fig. 1-2, the invention comprises an output shaft 9, the output shaft 9 is fixed in a bearing seat of a connecting disc 5 through an input end conical bearing 4 and an output end conical bearing 7, the input end conical bearing 4 and the output end conical bearing 7 are symmetrically arranged in the connecting disc 5, and the connecting disc 5 is fixedly connected with a shell of a gearbox or a reduction gearbox.
The connecting disc 5 is a stepped hollow structure of the horn-shaped shell, a suspension interface used for being connected with a power assembly in a suspension mode is arranged outside the connecting disc, and the large opening end of the horn-shaped shell is fixedly connected with a shell of a gearbox or a reduction gearbox.
A connecting flange 2, a first oil seal 3, an input end conical bearing 4, an output end conical bearing 7 and a second oil seal 8 are sequentially arranged in the connecting disc 5 from the small-opening end to the right of the large-opening end of the horn-shaped shell, the outer rings of the input end conical bearing 4 and the output end conical bearing 7 are in interference fit with the connecting disc 5, and are integrally pressed, and the inner rings are in interference fit with an output shaft 9.
The output shaft 9 is fixedly connected with the connecting flange 2 through spline centering and the anti-loose locking nut 1.
The inner part of the connecting disc 5 is provided with a boss 5-1 for limiting the input end conical bearing 4 and the output end conical bearing 7, and the boss 5-1 is positioned between the input end conical bearing 4 and the output end conical bearing 7.
The inner ring of the input end conical bearing 4 is positioned through the connecting flange 2 and a bushing pressed on the output shaft 9, the bushing is in interference fit with the output shaft 9, and the inner ring of the output end conical bearing 7 is positioned between the output shaft 9 and the bushing.
The input end conical bearing 4 is provided with an oil filling port, and an oil filling plug 6 is arranged at the oil filling port.
As shown in FIG. 3, the output shaft 9 comprises an input end 9-1, a shaft shoulder 9-2 and a connecting end 9-3, the shaft shoulder 9-2 is positioned with the input end conical bearing 4 and the output end conical bearing 7, the connecting end 9-3 is connected with the flexible disk 10 and the hydraulic torque converter 11, and the shaft diameter of the connecting end 9-3 is larger than that of the input end 9-1.
As shown in fig. 4, the flexible disk 10 is connected to the output shaft 9 at one end and to the torque converter 11 at the other end.
The flexible disk 10 and the torque converter 11 are located within the housing of the gearbox or reduction gearbox.
In the invention, the connecting flange 2 is connected with the output shaft 9, certain axial load exists, the gear shifting axial force of the hydraulic torque converter 11 and the gearbox or reduction gearbox 12 needs to be overcome, the input end conical bearing 4 and the output end conical bearing 7 of the switching device are symmetrically arranged, and the number of the bearings and the type of the bearings can be adjusted according to the load size and the arrangement requirement.
In order to position and support the bearing and the output shaft, the output shaft 9, the input end conical bearing 4 and the output end conical bearing 7 are fixed in a bearing seat of the connecting disc 5.
The connecting disc 5 has large power transmission torque, the bearing and the output shaft need to be lubricated and radiated, a lubricating oil self-lubricating mode is adopted, and a bidirectional spiral oil duct is processed in the output shaft, so that the lubrication and the radiation can be realized in the process of forward and reverse rotation of a transmission system.
The oil filler hole adopts the detachable oil filling plug 6, and integrates the ventilation function, and the internal and external atmospheric pressure can be balanced in the heat dissipation process of the lubricating oil.
In order to avoid oil leakage and dust entering, a first oil seal 3 and a second oil seal 8 are adopted for double oil seal design and a conical bearing with a dustproof cover.
As shown in fig. 1-2, the connecting disc 5 is a horn-shaped integrally cast shell, has a stepped hollow structure, is externally provided with a suspension interface, and is in suspension arrangement with the power assembly, so that the suspension interfaces of the gearbox or the reduction gearbox are reduced, and the adaptability of the gearbox or the reduction gearbox is better. The right side of the connecting plate is fixedly connected with a shell of a gearbox or a reduction gearbox 12 through bolts, the connecting flange 2, the first oil seal 3, the input end conical bearing 4, the output end conical bearing 7, the second oil seal 8 and the output shaft 9 are arranged in the connecting plate 5, the input end conical bearing 4 and the output end conical bearing 7 are symmetrically arranged, outer rings of the two are in interference fit and press fitting with the connecting plate 5 into a whole, the two are fixed and immovable when working, and inner rings of the two are in interference fit with the output shaft 9 and rotate along with the output shaft when working.
The input end conical bearing 4 is connected with the output end conical bearing 7 through support and output shaft, certain axial load exists and the gear shifting axial force of a hydraulic torque converter and a gearbox or a reduction gearbox needs to be overcome, the adapter device conical roller bearings are symmetrically arranged, a boss 5-1 positioning bearing is adopted in the connecting disc 5, the outer ring of the input end conical bearing 4 cannot move rightwards (shown in figure 2), the outer ring of the output end conical bearing 7 cannot move leftwards (shown in figure 2), the inner ring of the input end conical bearing 4 is positioned through a connecting flange 2 and a bushing pressed on the output shaft, the bushing is in interference fit with the output shaft 9, the inner ring of the output end conical bearing 7 is positioned between the bushing and the output shaft 9, and the boss size in the connecting disc 5 changes according to the size of the selected bearing due to the fact that the output axial load and the gear shifting axial force of the.
The connecting flange face at the right end of the connecting disc 5 changes according to the size of the interface of the gearbox or the reduction gearbox, and the mounting point of the boss on the outer surface of the shell changes according to the suspension interface.
In order to prevent external dust and foreign matters from entering the interior, the input end conical bearing 4 and the output end conical bearing 7 are both bearings with dust covers, the output axial load and the gear shifting axial force of the hydraulic torque converter and the gearbox or the reduction gearbox are different, and the specifications and the types of the input end conical bearing 4 and the output end conical bearing 7 can be different.
In order to lubricate the bearing running at high speed and heavy load, the output shaft and the connecting disc are coaxially positioned, and the surface of the output shaft is provided with a bidirectional spiral oil duct, so that the bearing and the bush are lubricated and radiated when the output shaft rotates forwards and reversely.
The output shaft size adopts tertiary step to arrange, and wherein connect flexible dish 10 and hydraulic torque converter 11 end and change greatly because of the process load of shifting, the shaft diameter is greater than the input, and the output shaft shoulder acts as the location of bearing, has reduced the separation blade, the quantity of locating pin, simple and practical, convenient to detach.
The output shaft 9 is fixedly connected with the connecting flange 2 through spline centering and the anti-loosening locking nut 1, gluing is conducted during installation, and leakage prevention and installation are convenient.
The flexible disk 10 is connected with the output shaft 9 through 8 bolts, the other end of the flexible disk is connected with the hydraulic torque converter 11 through bolts, a gasket is arranged between the flexible disk 10 and the output shaft 9, the flexible disk is made of high-rigidity materials such as 65Mn and torsion-resistant materials, and stress-relief round holes are symmetrically formed in the holes, so that the materials are saved, the weight is lightened, stress is relieved to a stress point, a better rigid structure is realized, the inner side of the flexible disk is chamfered at an angle smaller than 45 degrees, the inner side of the flexible disk 10 is prevented from being cut on the output shaft 9 and the inner side,
the invention is not only suitable for special automobiles, but also suitable for all vehicles with driving machines and drivers needing to be switched. In order to reliably and stably transmit torque, the switching device adopts a pair of bearings to support an output shaft in the switching device; the power switching device has high integration and generalization, and can be adapted to different types of driving machines and transmission parts by changing the size of the interface of the connecting flange and the interface of the output shaft or changing the output shaft into a spline output type.
Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a special type car power switching transmission integrated device, includes output shaft (9), its characterized in that: the output shaft (9) is fixed in a bearing seat of the connecting disc (5) through an input end conical bearing (4) and an output end conical bearing (7), the input end conical bearing (4) and the output end conical bearing (7) are symmetrically arranged in the connecting disc (5), and the connecting disc (5) is fixedly connected with a shell of a gearbox or a reduction gearbox.
2. The special vehicle power switching transmission integrated device according to claim 1, wherein: the connecting disc (5) is of a stepped hollow structure of the horn-shaped shell, a suspension interface used for being in suspension connection with the power assembly is arranged outside the connecting disc, and the large opening end of the horn-shaped shell is fixedly connected with a shell of the gearbox or the reduction gearbox.
3. The special vehicle power switching transmission integrated device according to claim 2, wherein: connecting flange (2), first oil blanket (3), input taper bearing (4), output taper bearing (7), second oil blanket (8) have been arranged in proper order from horn shape casing osculum end to macrostoma end right side in connection pad (5), input taper bearing (4), output taper bearing (7) outer lane and connection pad (5) interference fit, inner circle and output shaft (9) interference fit.
4. The special vehicle power switching transmission integrated device according to claim 3, wherein: the output shaft (9) is fixedly connected with the connecting flange (2) through spline centering and the anti-loose locking nut (1).
5. The special vehicle power switching transmission integrated device according to claim 3, wherein: the connecting disc (5) is internally provided with a boss (5-1) for limiting the input end conical bearing (4) and the output end conical bearing (7), and the boss (5-1) is positioned between the input end conical bearing (4) and the output end conical bearing (7).
6. The special vehicle power switching transmission integrated device according to claim 5, wherein: the inner ring of the input end conical bearing (4) is positioned by a connecting flange (2) and a bushing pressed on the output shaft (9), the bushing and the output shaft (9) are in interference fit, and the inner ring of the output end conical bearing (7) is positioned between the output shaft (9) and the bushing.
7. The special vehicle power switching transmission integrated device according to claim 1, wherein: the input end conical bearing (4) is provided with an oil filling port, and an oil filling plug (6) is arranged at the oil filling port.
8. The special vehicle power switching transmission integrated device according to claim 1, wherein: the output shaft (9) comprises an input end (9-1), a shaft shoulder (9-2) and a connecting end (9-3), the shaft shoulder (9-2) is positioned with the input end conical bearing (4) and the output end conical bearing (7), the connecting end (9-3) is connected with the flexible disk (10) and the hydraulic torque converter (11), and the shaft diameter of the connecting end (9-3) is larger than that of the input end (9-1).
9. The special vehicle power switching transmission integrated device according to claim 8, wherein: one end of the flexible disk (10) is connected with the output shaft (9), and the other end of the flexible disk is connected with the hydraulic torque converter (11).
10. The special vehicle power switching transmission integrated device according to claim 9, wherein: the flexible disk (10) and the hydraulic torque converter (11) are positioned in a shell of a gearbox or a reduction gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011540346.2A CN112696483A (en) | 2020-12-23 | 2020-12-23 | Special vehicle power switching transmission integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011540346.2A CN112696483A (en) | 2020-12-23 | 2020-12-23 | Special vehicle power switching transmission integrated device |
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| Publication Number | Publication Date |
|---|---|
| CN112696483A true CN112696483A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011540346.2A Pending CN112696483A (en) | 2020-12-23 | 2020-12-23 | Special vehicle power switching transmission integrated device |
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| CN (1) | CN112696483A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3930540A1 (en) * | 1988-09-17 | 1990-03-22 | Zahnradfabrik Friedrichshafen | Hydrodynamic brake for motor vehicle - is built as sub-assembly and installed between engine and gearbox |
| CN201002505Y (en) * | 2006-12-28 | 2008-01-09 | 东风电动车辆股份有限公司 | New hybrid electric vehicle powertrain based on hydromechanical gearbox |
| CN201597429U (en) * | 2009-10-26 | 2010-10-06 | 安徽奥马特汽车变速系统有限公司 | Hybrid Power Transmission Devices for Automobiles |
| CN101856972A (en) * | 2010-05-20 | 2010-10-13 | 北京科技大学 | A mining vehicle hydraulic mechanical transmission system |
| WO2011108316A1 (en) * | 2010-03-02 | 2011-09-09 | 本田技研工業株式会社 | Sprocket support structure |
| CN211398344U (en) * | 2019-12-31 | 2020-09-01 | 中国重汽集团济南动力有限公司 | Flexible torque transmission connecting device |
-
2020
- 2020-12-23 CN CN202011540346.2A patent/CN112696483A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3930540A1 (en) * | 1988-09-17 | 1990-03-22 | Zahnradfabrik Friedrichshafen | Hydrodynamic brake for motor vehicle - is built as sub-assembly and installed between engine and gearbox |
| CN201002505Y (en) * | 2006-12-28 | 2008-01-09 | 东风电动车辆股份有限公司 | New hybrid electric vehicle powertrain based on hydromechanical gearbox |
| CN201597429U (en) * | 2009-10-26 | 2010-10-06 | 安徽奥马特汽车变速系统有限公司 | Hybrid Power Transmission Devices for Automobiles |
| WO2011108316A1 (en) * | 2010-03-02 | 2011-09-09 | 本田技研工業株式会社 | Sprocket support structure |
| CN101856972A (en) * | 2010-05-20 | 2010-10-13 | 北京科技大学 | A mining vehicle hydraulic mechanical transmission system |
| CN211398344U (en) * | 2019-12-31 | 2020-09-01 | 中国重汽集团济南动力有限公司 | Flexible torque transmission connecting device |
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Application publication date: 20210423 |
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| RJ01 | Rejection of invention patent application after publication |