CN201588924U - Overspeed sub-transmission assembly - Google Patents
Overspeed sub-transmission assembly Download PDFInfo
- Publication number
- CN201588924U CN201588924U CN2009202941729U CN200920294172U CN201588924U CN 201588924 U CN201588924 U CN 201588924U CN 2009202941729 U CN2009202941729 U CN 2009202941729U CN 200920294172 U CN200920294172 U CN 200920294172U CN 201588924 U CN201588924 U CN 201588924U
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- gear
- hypervelocity
- shaft
- driven gear
- gearshift
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Abstract
The utility model discloses an overspeed sub-transmission assembly. An input shaft is a gear shaft, a primary driven gear, a secondary drive gear and an overspeed driven gear are sleeved on a central shaft, a secondary driven gear and an overspeed driven gear are sleeved on an output shaft, the primary driven gear is meshed with a gear on the input shaft, the secondary drive gear is meshed with the secondary driven gear, the overspeed driven gear is meshed with the drive gear, a second synchronizer is sleeved on a central shaft on the right side of the overspeed drive gear, and the second synchronizer is toggled through a shifting fork. The overspeed sub-transmission assembly realizes the purpose of gear shifting of a motor vehicle rear drive assembly through gear transmission, widens speed variation range of a motor vehicle, and is more adaptable to different running situations of the motor vehicle, in particular to a design of an overspeed gear which leads power during advancing process of the motor vehicle to be more sufficient, thereby avoiding waste of resources.
Description
Technical field
The utility model belongs to the speed changer technical field, specifically, relates in particular to a kind of hypervelocity auxiliary transmission assembly.
Background technique
Auxiliary transmission is the speed changer that adds except that basic trnasmission at vehicle.Its function is the gear that increases speed change, enlarges gear range.On Motor Vehicle,, require the range of transmission ratio of speed changer also bigger because load change is bigger.General Five block transmission is difficult to meet the demands.Adopt auxiliary transmission, just can change into the basic trnasmission of five retainings the speed changer of six retainings, ten retainings even 20 retainings.
In daily life, when the Motor Vehicle heavy duty, secondary transmitter only needs can reach the requirement of travelling in the high and low shift conversion, but when Motor Vehicle zero load or underloading, motor is still worked, oil consumption still exists, but this moment, the speed of a motor vehicle was fast inadequately, low speed driving under the situation of high oil consumption just occurred, thereby had made resource waste greatly, in the today of advocating energy-conserving and environment-protective energetically, how allowing Motor Vehicle oil when zero load or underloading be fully utilized more and more becomes the focal issue of automobile energy-conserving.
China Patent No. is that the model utility of ZL200920126026.5 discloses a kind of automobile-used auxiliary transmission assembly, it comprises upper box, lower box, input shaft, jack shaft and output shaft, by on the speed change tank wall of the left and right sides, forming bearing mounting hole after described upper box and the lower box mould assembling, the power intake of described output shaft is inserted in first needle bearing, described jack shaft by bearings in the lower box bottom, be set with one-level driven gear and secondary driving gear on this jack shaft, described one-level driven gear is meshed with gear on the input shaft, and the secondary driving gear is meshed with the secondary driven gear.This utility model patent need not directly to be connected the speed change purpose that rigidity realizes auxiliary transmission with back axle, also has the function of reverse gear, but this utility model patent can't solve the problem that makes full use of of gasoline under no-load condition of Motor Vehicle.
The model utility content
Technical problem to be solved in the utility model be to provide a kind of Motor Vehicle in the process of moving gasoline be fully used energy-conservation hypervelocity auxiliary transmission assembly.
The technical solution of the utility model is as follows: design a kind of hypervelocity auxiliary transmission assembly, comprise upper box, lower box, input shaft, jack shaft and output shaft, wherein said input shaft is a gear shaft, on described jack shaft, be set with one-level driven gear and secondary driving gear, on described output shaft, be set with the secondary driven gear, described one-level driven gear is meshed with gear on the input shaft, the secondary driving gear is meshed with the secondary driven gear, its main points are: be set with the hypervelocity driven gear on the output shaft on described secondary driven gear right side, on the jack shaft on described secondary driving gear right side, be set with the hypervelocity driving gear that is meshed with described hypervelocity driven gear, on the jack shaft on this hypervelocity driving gear right side, be set with second synchronizer, the hypervelocity gearshift axle that is parallel to described output shaft is installed on the upper box above this second synchronizer, be positioned on the upper box of described hypervelocity gearshift axle outer end gearshift is installed, in described hypervelocity gearshift axle the inner second shift fork is installed, described second shift fork is inserted on the ring gear of described second synchronizer.
The specific implementation that obtains the high and low shift speed of a motor vehicle and hypervelocity by the utility model is: 1, if obtain the high-grade speed of a motor vehicle, then pull gearshift, the rocking arm of this gearshift drives gearshift and axially moves left, shift fork is moved to the left under the drive of gearshift axle, shift fork is stirred synchronizer and is moved to the left, the external toothing engagement of synchronizer and input shaft, give output shaft with the transmission of torque of input shaft, its route is: input shaft gear-→ synchronizer-→ output shaft, the transmission of torque of input shaft is to output shaft the most at last, be delivered to ransaxle by transmission shaft again, driving wheel is rotated.This route is the high tap position route, can obtain the higher speed of a motor vehicle, and one-level driven gear and the secondary driven gear on secondary driving gear and the output shaft, the hypervelocity driving gear on the jack shaft on the jack shaft is in idling conditions at this moment.2, if obtain the low-grade speed of a motor vehicle, then pull gearshift, the rocking arm of this gearshift drives gearshift and axially moves right, shift fork moves right under the drive of gearshift axle, shift fork is stirred synchronizer and is moved right, synchronizer and the engagement of secondary driven gear external toothing, give the secondary driven gear with the transmission of torque of input shaft, its route is: the gear of input shaft-→ the one-level driven gear-→ jack shaft-→ the secondary driving gear-→ the secondary driven gear-→ synchronizer-→ output shaft, the transmission of torque of input shaft is to output shaft the most at last, be delivered to ransaxle by transmission shaft again, driving wheel is rotated.This route is the low-grade location route, can obtain the lower speed of a motor vehicle, makes vehicle have very high grade ability, and the hypervelocity driving gear on the jack shaft is in idling conditions at this moment.3, if obtain the super shelves speed of a motor vehicle, then move gearshift, the rocking arm of this gearshift drives the hypervelocity gearshift and axially moves left, second shift fork is moved to the left under the drive of hypervelocity gearshift axle, second shift fork is stirred second synchronizer and is moved to the left, second synchronizer and the engagement of hypervelocity driving gear external toothing, give the hypervelocity driven gear with the transmission of torque of input shaft, its route is: the gear of input shaft-→ the one-level driven gear-→ jack shaft-→ the second synchronizer-→ the hypervelocity driving gear-→ the hypervelocity driven gear-→ output shaft, power and speed are transmitted ransaxle the most at last, and driving wheel is rotated.This route is super gear route, can obtain the speed of a motor vehicle of superelevation, makes vehicle faster in underloading or Ballast, saves fuel oil.
Described gearshift mainly is made up of housing, gearshift rocking arm, pusher dog and shift selecting rocking arm, described housing is fixed on the upper box, described gearshift rocking arm is installed on the housing, and the end with rocking arm is reached outside the housing, described pusher dog by spline package on described gearshift rocking arm, described shift selecting rocking arm is installed on the housing, and the adjustment end of this shift selecting rocking arm is inserted between the described pusher dog claw, makes the claw of described pusher dog enter into hypervelocity gearshift axle by the control shift selecting rocking arm and goes up in the groove that is provided with.
In order to make described jack shaft simple in structure, designing this jack shaft is gear shaft, and the gear of this jack shaft is the secondary driving gear.
With the power input and output, flange is installed for the ease of the utility model at the power intake of described input shaft and the clutch end of output shaft.
The beneficial effects of the utility model are: the utility model is by adding cogged, synchronizer and control gear, make the Motor Vehicle rear-guard always be shaped as three drive paths, realized the purpose that automobile rear-guard assembly is shifted gears by gear transmission, make that the speed fluctuation scope of Motor Vehicle is wideer, different running condition that more can the adaline motor-car; Especially the design of overdirve gear makes automobile more abundant in the use of traveling process medium power, has avoided the waste of resource.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 2.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1～a kind of afterburning auxiliary transmission assembly that quickens shown in Figure 3, by upper box 1, lower box 3, input shaft 2, jack shaft 4, output shaft 5, first needle bearing 6, secondary driven gear 7, second needle bearing 8, first synchronizer 9, high and low shift gearshift axle 10, flange 11, first shift fork 12, one-level driven gear 13, secondary driving gear 14, hypervelocity driven gear 15, the 3rd needle bearing 16, hypervelocity driving gear 17, second synchronizer 18, hypervelocity gearshift axle 19, compositions such as the gearshift 20 and second shift fork 21, by on the speed change tank wall of the left and right sides, forming bearing mounting hole after described upper box 1 and lower box 3 mould assembling, in this bearing mounting hole bearing is housed, described input shaft 2 and output shaft 5 pass bearing and the casing in the left and right sides respectively, and the shaft axis of described input shaft 2 and output shaft 5 is on same straight line, wherein said input shaft 2 is a gear shaft, this gear shaft is provided with endoporus near output shaft 5 one end axle center, first needle bearing 6 is housed in this endoporus, the power intake of described output shaft 5 is inserted in first needle bearing 6, on described output shaft 5, be set with secondary driven gear 7 through second needle bearing 8, on the output shaft 5 between gear on the input shaft 2 and the described secondary driven gear 7, be set with first synchronizer 9, the high and low shift gearshift axle 10 that is parallel to described output shaft 5 is installed on the upper box 1 of these first synchronizer, 9 tops, be provided with first shift fork 12 in these high and low shift gearshift axle 10 the inners, described first shift fork 12 is inserted on the ring gear of described first synchronizer 9; Described jack shaft 4 by bearings on casing, this jack shaft 4 is set with one-level driven gear 13 and secondary driving gear 14, described one-level driven gear 13 is meshed with gear on the input shaft 2, secondary driving gear 14 is meshed with secondary driven gear 7, on the output shaft 5 on described secondary driven gear 7 right sides, hypervelocity driven gear 15 is housed through spline housing, on the jack shaft 4 on secondary driving gear 14 right sides, be set with hypervelocity driving gear 17 through the 3rd needle bearing 16, described hypervelocity driven gear 15 and 17 engagements of hypervelocity driving gear, on the jack shaft 4 on described hypervelocity driving gear 17 right sides, be set with second synchronizer 18, the hypervelocity gearshift axle 19 that is parallel to described output shaft 5 is installed on the upper box 1 above this second synchronizer 18, this hypervelocity gearshift axle 19 is parallel with described high and low shift gearshift axle 10, be positioned on the upper box 1 of described high and low shift gearshift axle 10 and hypervelocity gearshift axle 19 outer ends gearshift 20 is installed, in described hypervelocity gearshift axle 19 the inners second shift fork 21 is installed, described second shift fork 21 is inserted on the ring gear of described second synchronizer 18.
See also Fig. 1: described gearshift 20 is mainly by housing 22, gearshift rocking arm 23, pusher dog 24 and shift selecting rocking arm 25 are formed, described housing 22 is fixed on the upper box 1, described gearshift rocking arm 23 is installed on the housing 22, and the end with rocking arm is reached outside the housing 22, described pusher dog 24 by spline package on described gearshift rocking arm 23, described shift selecting rocking arm 25 is installed on the housing 22, the adjustment end of this shift selecting rocking arm 25 is inserted between described pusher dog 24 claws, by control shift selecting rocking arm 25 claw of described pusher dog 24 is entered in the groove that is provided with on high and low shift gearshift axle 10 and the hypervelocity gearshift axle 11 respectively.
In conjunction with Fig. 1 and Fig. 3 as can be seen: described jack shaft 4 is a gear shaft, and described one-level driven gear 13 is fixed on this jack shaft 4 by spline, and described secondary driving gear 14 is wholely set on this jack shaft 4.
In Fig. 2, it can also be seen that: flange 11 is installed at the power intake of described input shaft 2 and the clutch end of output shaft 5.
The utility model working principle is: 1, if obtain the high-grade speed of a motor vehicle, then pull gearshift, the gearshift rocking arm 23 of this gearshift drives high and low shift gearshift axle 10 and is moved to the left, first shift fork 12 is moved to the left under the drive of high and low shift gearshift axle 10, first shift fork 12 is stirred first synchronizer 9 and is moved to the left, first synchronizer 9 meshes with the external toothing of input shaft 2, give output shaft 5 with the transmission of torque of input shaft 2, its route is: input shaft 2 gears-→ the first synchronizer 9-→ output shaft 5, the transmission of torque of input shaft 2 is to output shaft 5 the most at last, be delivered to ransaxle by transmission shaft again, driving wheel is rotated.This route is the high tap position route, can obtain the higher speed of a motor vehicle, and one-level driven gear 13 and the secondary driven gear 7 on secondary driving gear 14 and the output shaft 5, the hypervelocity driving gear 17 on the jack shaft 4 on the jack shaft 4 is in idling conditions at this moment.2, if obtain the low-grade speed of a motor vehicle, then pull gearshift, the gearshift rocking arm 23 of this gearshift drives high and low shift gearshift axle 10 and moves right, first shift fork 12 moves right under the drive of high and low shift gearshift axle 10, first shift fork 12 is stirred first synchronizer 9 and is moved right, first synchronizer 9 and the engagement of secondary driven gear 7 external toothings, give secondary driven gear 7 with the transmission of torque of input shaft 2, its route is: the gear of input shaft 2-→ one-level driven gear 13-→ jack shaft 4-→ secondary driving gear 14-→ secondary driven gear 7-→ the first synchronizer 9-→ output shaft 5, the transmission of torque of input shaft 2 is to output shaft 5 the most at last, be delivered to ransaxle by transmission shaft again, driving wheel is rotated.This route is the low-grade location route, can obtain the lower speed of a motor vehicle, makes vehicle have very high grade ability, and the hypervelocity driving gear 17 on the jack shaft 4 is in idling conditions at this moment.3, if obtain the super shelves speed of a motor vehicle, then move gearshift, the gearshift rocking arm 23 of this gearshift drives hypervelocity gearshift axle 19 and is moved to the left, second shift fork 21 is moved to the left under the drive of hypervelocity gearshift axle 19, second shift fork 21 is stirred second synchronizer 18 and is moved to the left, second synchronizer 18 and the engagement of hypervelocity driving gear 17 external toothings, give hypervelocity driven gear 14 with the transmission of torque of input shaft 2, its route is: the gear of input shaft 2-→ one-level driven gear 13-→ jack shaft 4-→ the second synchronizer 18-→ hypervelocity driving gear 17-→ hypervelocity driven gear 14-→ output shaft 5, power and speed are transmitted ransaxle the most at last, and driving wheel is rotated.This route is super gear route, can obtain the speed of a motor vehicle of superelevation, makes vehicle faster in underloading or Ballast, saves fuel oil.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. hypervelocity auxiliary transmission assembly, comprise upper box (1), lower box (3), input shaft (2), jack shaft (4) and output shaft (5), wherein said input shaft (2) is a gear shaft, on described jack shaft (4), be set with one-level driven gear (13) and secondary driving gear (14), on described output shaft (5), be set with secondary driven gear (7), described one-level driven gear (13) is meshed with gear on the input shaft (2), secondary driving gear (14) is meshed with secondary driven gear (7), it is characterized in that: on the output shaft (5) on described secondary driven gear (7) right side, be set with hypervelocity driven gear (15), on the jack shaft (4) on described secondary driving gear (14) right side, be set with the hypervelocity driving gear (17) that is meshed with described hypervelocity driven gear (15), on the jack shaft (4) on this hypervelocity driving gear (17) right side, be set with second synchronizer (18), the hypervelocity gearshift axle (19) that is parallel to described output shaft (5) is installed on the upper box (1) of this second synchronizer (18) top, be positioned on the upper box (1) of described hypervelocity gearshift axle (19) outer end gearshift (20) is installed, in described hypervelocity gearshift axle (19) the inner second shift fork (21) is installed, described second shift fork (21) is inserted on the ring gear of described second synchronizer (18).
2. a kind of hypervelocity auxiliary transmission assembly according to claim 1, it is characterized in that: described gearshift (20) is mainly by housing (22), gearshift rocking arm (23), pusher dog (24) and shift selecting rocking arm (25) are formed, described housing (22) is fixed on the upper box (1), described gearshift rocking arm (23) is installed on the housing (22), and the end with rocking arm is reached outside the housing (22), described pusher dog (24) by spline package on described gearshift rocking arm (23), described shift selecting rocking arm (25) is installed on the housing (22), the adjustment end of this shift selecting rocking arm (25) is inserted between described pusher dog (24) claw, makes the claw of described pusher dog (24) enter into hypervelocity gearshift axle (11) by control shift selecting rocking arm (25) and goes up in the groove that is provided with.
3. a kind of hypervelocity auxiliary transmission assembly according to claim 1, it is characterized in that: described jack shaft (4) is a gear shaft, and the gear of this jack shaft (4) is secondary driving gear (14).
4. a kind of hypervelocity auxiliary transmission assembly according to claim 1 is characterized in that: at the power intake of described input shaft (2) and the clutch end of output shaft (5) flange (11) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202941729U CN201588924U (en) | 2009-12-28 | 2009-12-28 | Overspeed sub-transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202941729U CN201588924U (en) | 2009-12-28 | 2009-12-28 | Overspeed sub-transmission assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588924U true CN201588924U (en) | 2010-09-22 |
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ID=42748704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202941729U Expired - Fee Related CN201588924U (en) | 2009-12-28 | 2009-12-28 | Overspeed sub-transmission assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201588924U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511560A (en) * | 2013-10-09 | 2014-01-15 | 唐海滨 | Mechanical automatic speed changing box of electric motor coach |
| CN105485333A (en) * | 2015-12-09 | 2016-04-13 | 重庆先友科技开发有限公司 | Double-shifting-fork mechanism for rear-arranged three-stage transmission |
| CN110630703A (en) * | 2019-10-28 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
-
2009
- 2009-12-28 CN CN2009202941729U patent/CN201588924U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511560A (en) * | 2013-10-09 | 2014-01-15 | 唐海滨 | Mechanical automatic speed changing box of electric motor coach |
| CN105485333A (en) * | 2015-12-09 | 2016-04-13 | 重庆先友科技开发有限公司 | Double-shifting-fork mechanism for rear-arranged three-stage transmission |
| CN110630703A (en) * | 2019-10-28 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
| CN110630703B (en) * | 2019-10-28 | 2024-02-13 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20101228 |