CN219841021U - Energy-saving gearbox of automobile - Google Patents
Energy-saving gearbox of automobile Download PDFInfo
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- CN219841021U CN219841021U CN202320580343.4U CN202320580343U CN219841021U CN 219841021 U CN219841021 U CN 219841021U CN 202320580343 U CN202320580343 U CN 202320580343U CN 219841021 U CN219841021 U CN 219841021U
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- wheel
- star wheel
- meshing
- roller
- intermediate shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000002441 reversible effect Effects 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims description 4
- 230000000979 retarding effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
An automobile energy-saving gearbox comprises a gearbox, an automatic clutch I, an automatic clutch II, cruising type meshing wheels, a high-speed meshing device and a hydrodynamic retarder, wherein a transmission gear is arranged on the gearbox; the automatic clutch I comprises a driving star wheel, rollers and drums, wherein the driving star wheel is arranged on a transmission gear, three equally-divided roller columns are arranged on the driving star wheel, and a group of drums are correspondingly clutch-driven with the driving star wheel; the automatic clutch II comprises a driven star wheel, a roller and a drum wheel, wherein the drum wheel is connected with the intermediate shaft through a corresponding driven star wheel, the roller is arranged on the driven star wheel, and the roller corresponds to an arc groove on the inner wall of the drum wheel; the intermediate shaft is connected with the first shaft and the second shaft, and a high-speed meshing device is arranged at the connection part of the second shaft and the hydraulic retarder. According to the utility model, the power assembly does not generate a reverse dragging effect on running when the accelerator is released, the running distance is prolonged by utilizing the running inertia of the vehicle, the energy saving purpose is achieved, meanwhile, the clutch pedal is not stepped for gear shifting, and the operation convenience is improved.
Description
Technical Field
The utility model relates to the technical field of automobile energy conservation, in particular to an automobile energy-saving gearbox.
Background
The current gearbox transmission and clutch technology makes the vehicle need to frequently tread the clutch during gear shifting, which results in high labor intensity of the driver; and when the driver releases the accelerator pedal, the power assembly has a strong reverse dragging effect on the running system, so that the sliding distance is shortened, and the energy consumption is increased.
Disclosure of Invention
In view of the above, the utility model provides an energy-saving gearbox of an automobile, which can realize that a power assembly does not generate a reverse dragging effect on running when an accelerator is released, and the running distance is prolonged by utilizing the running inertia of the automobile, so that the energy-saving purpose is achieved, and meanwhile, a clutch pedal can not be stepped to shift gears, thereby improving the operation convenience.
An automobile energy-saving gearbox comprises a gearbox, an automatic clutch I, an automatic clutch II, cruising type meshing wheels, a high-speed meshing device and a hydrodynamic retarder, wherein a transmission tooth is arranged on the gearbox; the automatic clutch I comprises a driving star wheel, rollers and drums, wherein the driving star wheel is arranged on a transmission gear, three equally-divided roller columns are arranged on the driving star wheel, and a group of drums are correspondingly clutch-driven with the driving star wheel; the automatic clutch II comprises a driven star wheel, a roller and a drum wheel, wherein the drum wheel is connected with the intermediate shaft through a corresponding driven star wheel, the roller is arranged on the driven star wheel, and the roller corresponds to an arc groove on the inner wall of the drum wheel; the intermediate shaft is connected with the first shaft and the second shaft, gears with different teeth numbers fixed on the intermediate shaft and gears with different teeth numbers on the corresponding second shafts are meshed with each other according to different speed ratios under the control of the speed change mechanism, and power is transmitted to the second shaft; the joint of the two shafts and the hydraulic retarder is provided with a high-speed meshing device.
Further, a synchronizer and other gear wheels are mounted on the shafts, and when the synchronizer is moved into a set of drums, the shafts are engaged.
Furthermore, three driven star wheels are arranged on the intermediate shaft, and the radial positions of the three driven star wheels are staggered at equal angles.
Furthermore, a cruising type meshing wheel is arranged on the intermediate shaft and consists of a shifting fork and a transmission clutch wheel, the lower shifting fork is driven by the acting force of an external cylinder to drive the cruising type meshing wheel to be connected with a drum wheel with the same axle center as the intermediate shaft, and the cruising type meshing wheel is in a non-sliding state during reversing.
Further, the high-speed meshing device consists of a shifting fork, a locking roller, a push rod, a meshing star wheel and a push rod, wherein the meshing star wheel is connected with an impeller of the hydrodynamic retarder through the high-speed meshing device, a plurality of arc grooves are formed in the inner wall of the impeller, and the roller at the meshing star wheel corresponds to the arc groove of the impeller; the shifting fork drives three push rods uniformly distributed in the circumferential direction to synchronously push forwards under the pushing of an external cylinder of the gearbox, and then the locking roller is pushed to be engaged with a multi-arc groove structure of the inner wall of an impeller of the hydraulic retarder, so that the hydraulic reaction force of the hydraulic retarder is transmitted to the meshing star wheel fixedly connected to the two shafts through the spline, and the purpose of hydraulic retarder is achieved.
Further, the transmission gear is dynamically connected with a drum wheel on the intermediate shaft, and the drum wheel twists the passive star wheel, so that other gears except for the reverse gear can automatically slide during running.
The utility model can automatically slide and not step on the clutch to change speed in the vehicle running, two sets of overrun clutches are arranged in the gearbox, so that all gears can automatically slide when the throttle is released, a set of meshing gear sets with cruising front ends are arranged on the intermediate shaft, the vehicle is in a slip-forbidden working condition when in reversing, and a set of high-speed meshing devices are arranged at the tail end and connected with the hydraulic retarder, and can be engaged and separated in the states of any two shafts with different speeds, thereby achieving the aim of slowing and slip-forbidden, ensuring the vehicle running safety, relieving the pressure of a braking system, inhibiting the inertia sliding of the vehicle, realizing the reverse dragging function and achieving the aims of saving energy and safety; in addition, the hydraulic retarder is additionally arranged, so that the vehicle can play a role in retarding when decelerating, the pressure of a braking system is lightened, and the characteristics of more comfort and safety are achieved.
Drawings
FIG. 1 is a cross-sectional view of an automotive energy saving transmission of the present utility model;
FIG. 2 is a schematic diagram of a coupling structure between an automotive driving star wheel and a roller column according to the present utility model;
FIG. 3 is a schematic view of the structure of the transmission clutch of the present utility model;
fig. 4 is a schematic view of the structure of the high-speed clutch of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model provides an energy-saving gearbox for an automobile, which comprises a gearbox 2, an automatic clutch one, an automatic clutch two, cruise meshing wheels 7, a high-speed meshing device 12 and a hydrodynamic retarder 15, wherein a transmission gear 1 is installed on the gearbox 2.
The automatic clutch I comprises a driving star wheel 3, a roller 16 and a drum wheel 4; the driving star wheel 3 is arranged on the driving tooth 1, the rolling columns 16 are uniformly divided by three rolling columns 16 (shown in figure 2) and are in clutch transmission corresponding to the driving star wheel 3, namely, the driving star wheel 3 drives a group of drums 4, and a plurality of arc grooves are formed in the inner wall of the group of drums 4. A group of drums 4 on the transmission gear 1 is coaxial with the two shafts 10, and a synchronizer 21 and other gear gears are arranged on the two shafts 10. The intermediate shaft 9 is simultaneously coupled with a first shaft (gearbox input shaft) and a second shaft 10, receives power transmitted from the first shaft, simultaneously meshes with gears with different numbers of teeth fixed on the intermediate shaft 9 and gears with different numbers of teeth on the corresponding second shaft 10 at different speed ratios as required under the control of a speed change mechanism, and transmits the power to the second shaft 10.
The automatic clutch II comprises a driven star wheel 5, a roller 16 and a drum wheel 6, wherein the drum wheel 6 is connected with an intermediate shaft 9 through the corresponding driven star wheel 5, and a plurality of arc grooves are formed in the inner wall of the drum wheel 6; the intermediate shaft 9 is provided with three driven star wheels 5, the radial positions of the three driven star wheels 5 are staggered at equal angles, the driven star wheels 5 are provided with rollers 16, and the rollers 16 correspond to arc grooves on the inner wall of the drum wheel 6. The intermediate shaft 9 is provided with a cruise type meshing wheel 7, the cruise type meshing wheel 7 consists of a shifting fork 8 and a transmission clutch wheel 17, the lower shifting fork 8 is driven by the acting force of an external cylinder to drive the cruise type meshing wheel 7 to be connected with the drum wheel 6 coaxial with the intermediate shaft 9, and the idle running state can be realized during reversing.
The high-speed meshing device 12 is arranged at the joint of the two shafts 10 and the hydrodynamic retarder 15, and as shown in fig. 4, the high-speed meshing device 12 consists of a shifting fork 11, a locking roller 18, a push rod 19, a meshing star wheel 20 and a push rod 13. The meshing star wheel 20 is connected with the impeller 14 of the hydrodynamic retarder 15 through the high-speed meshing device 12, a plurality of arc grooves are formed in the inner wall of the impeller 10, the rollers 16 at the meshing star wheel 20 correspond to the arc grooves of the impeller 14, and the transmission gear 1 is dynamically connected with the drum wheel 6 on the intermediate shaft 9. The shifting fork 11 drives three push rods 19 uniformly distributed in the circumferential direction to synchronously push forwards under the pushing of an external cylinder of the gearbox, and then the locking roller 18 is pushed to be engaged with a multi-arc groove structure of the inner wall of the impeller 10 of the hydrodynamic retarder 15, so that the hydraulic reaction force of the hydrodynamic retarder 15 is transmitted to the meshing star wheel 20 fixedly connected to the two shafts 10 through the spline, and the aim of hydrodynamic retarding is achieved.
The working principle of the utility model is as follows:
the transmission gear 1 drives the driving star wheel 3, and the driving star wheel 3 drives a group of drums 4; when the dial synchronizer 21 is dialed into the group of drums 4 to enable the first shaft and the second shaft 10 to be engaged, the vehicle runs in a direct gear; when the driver releases the accelerator pedal, the engine is in an idle working condition, the vehicle runs forwards by self inertia, and the running distance is prolonged due to the 'reverse dragging' resistance of the power assembly, so that the driver reduces the frequency of stepping on the accelerator pedal, and the energy-saving purpose is achieved. When the vehicle runs down a steep slope, the high-speed meshing device 12 drives the ejector rod 13 through the shifting fork 11, then drives the roller 18 of the meshing star wheel 20 to be folded with the arc groove on the inner wall of the impeller 14, and drives the hydraulic retarder 15 to generate resistance so as to slow the running speed of the vehicle, thereby achieving the purpose of safe running.
The transmission gear 1 is dynamically connected with the drum wheel 6 on the intermediate shaft 9, the drum wheel 6 twists the driven star wheel 5, so that other gears except for the reverse gear can automatically slide during running, and the power assembly and the running system are in a disconnected state at the moment, so that a clutch can not be stepped on during gear shifting, and the labor intensity of a driver is reduced; when the vehicle is in reverse gear, the shifting fork 8 is pushed by the air cylinder, so that the cruise meshing wheel 7 is engaged with the drum wheel 6, and the idle running state is realized when the vehicle is in reverse gear.
The utility model integrates an automatic clutch, a cruising type meshing wheel 7, a high-speed meshing device 12 and a hydraulic retarder 15 on a gearbox 2; through the application of the two groups of automatic clutches, the cruise meshing wheel 7 and the high-speed meshing device 12, when a driver releases the acceleration pedal, the power assembly is automatically separated from the running system, the action of the transmission disc clutch is replaced, and the easy gear shifting without stepping on the clutch is realized; because the automatic separation reduces the 'reverse dragging' action of the power assembly when the vehicle slides, the running inertia of the vehicle is effectively released, the sliding distance is prolonged, and the frequency of stepping on the accelerator pedal by a driver is reduced; when the vehicle brakes and descends a steep slope, the hydraulic retarder 15 integrated at the rear end of the gearbox 2 automatically connects the two shafts 10 (output shafts) with impellers of the hydraulic retarder 15 through shifting forks, hydraulic oil in the hydraulic retarder 15 plays a role in retarding the rotating impellers and counteracts the two shafts 10 (output shafts) to provide braking assistance for the vehicle, so that the abrasion of an original braking system of the vehicle is reduced, and the safety and smoothness are improved.
The foregoing is merely illustrative embodiments of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (6)
1. An energy-saving gearbox for an automobile is characterized in that: comprises a gearbox (2), an automatic clutch I, an automatic clutch II, cruising meshing wheels (7), a high-speed meshing device (12) and a hydrodynamic retarder (15), wherein the gearbox (2) is provided with a transmission gear (1); the automatic clutch I comprises a driving star wheel (3), rollers (16) and a first drum wheel (4), wherein the driving star wheel (3) is arranged on a transmission gear (1), three equally-divided rollers (16) are arranged on the driving star wheel (3), and one group of first drum wheels (4) are correspondingly clutch-driven with the driving star wheel (3); the automatic clutch II comprises a driven star wheel (5), a roller (16) and a second drum wheel (6), wherein the second drum wheel (6) is connected with the intermediate shaft (9) through the corresponding driven star wheel (5), the roller (16) is arranged on the driven star wheel (5), and the roller (16) corresponds to an arc groove on the inner wall of the second drum wheel (6); the intermediate shaft (9) is connected with the first shaft and the second shaft (10), gears with different numbers of teeth fixed on the intermediate shaft (9) and gears with different numbers of teeth on the corresponding second shafts (10) are meshed with each other according to different speed ratios under the control of a speed change mechanism, and power is transmitted to the second shafts (10); the joint of the two shafts (10) and the hydrodynamic retarder (15) is provided with a high-speed meshing device (12).
2. The automotive energy saving transmission of claim 1, wherein: the two shafts (10) are provided with synchronizers (21) and gears with different tooth numbers, and when the synchronizers (21) are shifted into a group of first drums (4), the first shafts and the two shafts (10) are jointed.
3. The automotive energy saving transmission of claim 1, wherein: the intermediate shaft (9) is provided with three driven star wheels (5), and the radial positions of the three driven star wheels (5) are staggered in equal angles.
4. The automotive energy saving transmission of claim 1, wherein: the intermediate shaft (9) is provided with a cruising type meshing wheel (7), the cruising type meshing wheel (7) consists of a first shifting fork (8) and a transmission clutch wheel (17), the first shifting fork (8) drives the cruising type meshing wheel (7) to be connected with a second drum wheel (6) coaxial with the intermediate shaft (9) under the action of an external cylinder, and the cruising type meshing wheel is in a non-sliding state during reversing.
5. The automotive energy saving transmission of claim 1, wherein: the high-speed meshing device (12) consists of a second shifting fork (11), a locking roller (18), a push rod (19), a meshing star wheel (20) and a push rod (13), wherein the meshing star wheel (20) is connected with an impeller (14) of the hydrodynamic retarder (15) through the high-speed meshing device (12), a plurality of arc grooves are formed in the inner wall of the impeller (14), and the roller (16) at the meshing star wheel (20) corresponds to the arc grooves of the impeller (14); the second shifting fork (11) drives three push rods (19) uniformly distributed in the circumferential direction to synchronously push forwards under the pushing of an external cylinder of the gearbox, and then the locking roller (18) is pushed to be engaged with a multi-arc-groove structure of the inner wall of an impeller (14) of the hydrodynamic retarder (15), so that the hydraulic reaction force of the hydrodynamic retarder (15) is transmitted to a meshing star wheel (20) fixedly connected to a two-shaft (10) through a spline, and the aim of hydrodynamic retarding is fulfilled.
6. The automotive energy saving transmission of claim 1, wherein: the transmission gear (1) is dynamically connected with a second drum wheel (6) on the intermediate shaft (9), and the second drum wheel (6) twists the passive star wheel (5) so that gears except for the reverse gear can automatically slide during running.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320580343.4U CN219841021U (en) | 2023-03-22 | 2023-03-22 | Energy-saving gearbox of automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320580343.4U CN219841021U (en) | 2023-03-22 | 2023-03-22 | Energy-saving gearbox of automobile |
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CN219841021U true CN219841021U (en) | 2023-10-17 |
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CN202320580343.4U Active CN219841021U (en) | 2023-03-22 | 2023-03-22 | Energy-saving gearbox of automobile |
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CN (1) | CN219841021U (en) |
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- 2023-03-22 CN CN202320580343.4U patent/CN219841021U/en active Active
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