CN204477212U - Nine grades of heavy duty automobile gear boxs - Google Patents
Nine grades of heavy duty automobile gear boxs Download PDFInfo
- Publication number
- CN204477212U CN204477212U CN201420833227.XU CN201420833227U CN204477212U CN 204477212 U CN204477212 U CN 204477212U CN 201420833227 U CN201420833227 U CN 201420833227U CN 204477212 U CN204477212 U CN 204477212U
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- gear
- low
- shift
- synchronizer
- odd
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Abstract
The utility model relates to one or nine grades of heavy duty automobile gear boxs, comprise main transmission box, it is characterized in that: also comprise secondary transmission case, secondary transmission case is made up of odd-side housing and the planetary gear mechanism be arranged in odd-side housing and the switching mechanism of odd-side high and low shift, planetary gear mechanism is by bull gear, planet wheel, planet carrier and sun gear are formed, two axle assembly output terminals of main transmission box pass through the sun gear of spline joint planetary gear mechanism, the switching mechanism of secondary transmission case high and low shift is by high and low shift shift control mechanism, high and low shift synchronizer assembly is formed, high and low shift synchronizer assembly comprises high-grade cone hub, low-grade cone hub, synchronizer gear seat, synchronizer gear sleeve, high-grade cone hub and planet carrier are fixedly mounted with, low-grade cone hub and odd-side housing are fixedly mounted with, synchronizer gear seat and bull gear are fixedly mounted with.The utility model major-minor case transmission speed ratio wide ranges, compact structure, operation is light and handy, and fuel-economizing, gear are many; Grade ability is strong; Shift gears light, laborsaving; Life-span is long, reliability is high.
Description
Technical field
The utility model belongs to automotive transmission field, particularly a kind of nine grades of heavy duty automobile gear boxs.
Background technique
Large-tonnage heavy goods vehicles, the trend pursued by user is more and more obvious, and car owners wish that the bearing capacity of heavily blocking is more strong better, also to wish heavily to block more fuel-efficient better simultaneously, therefore, when same bearer ability, the attention rate of car owners' counterweight card fuel saving is more and more higher.One heavily can card fuel-economizing, except seeing motor, also to see whether there is with other assembly of Engine Matching fuel-economizing whether properly mate between feature and these assemblies, wherein, speed changer serves as important role.
Because the loading mass of heavy-duty car is large, service condition is complicated.For ensureing that heavy-duty car has good power character, Economy and acceleration, the scope of transmission ratio must be expanded and increase gear number.Along with the lifting of engine technology, the traffic condition of County Highway there has also been great improvement, and on market, the gearbox of main flow cannot meet the demand of a lot of user to a great extent completely.
Summary of the invention
The purpose of this utility model is to overcome existing deficiency in the art, nine grades of heavy duty automobile gear boxs are provided, by by Transmission gear refinement, realize under the constant prerequisite of heavily card grade ability, effective smoothness object improving vehicle dynamic quality, fuel economy and gearshift, can also make driver's dispatch driving as much as possible.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of nine grades of heavy duty automobile gear boxs, comprise main transmission box, main transmission box is by main tank housing, the full helical teeth of triple axle be installed in main tank housing often engages ordinary transmission mechanism and main tank shift control mechanism is formed, the full helical teeth of triple axle often engages ordinary transmission mechanism and comprises an axle assembly, two axle assemblies and countershaft assembly and driving gear at different levels, main tank shift control mechanism is six gear shift control mechanisms, it is characterized in that: also comprise secondary transmission case, secondary transmission case is made up of odd-side housing and the planetary gear mechanism be arranged in odd-side housing and the switching mechanism of odd-side high and low shift, planetary gear mechanism is by bull gear, planet wheel, planet carrier and sun gear are formed, two axle assembly output terminals of main transmission box pass through the sun gear of spline joint planetary gear mechanism, the switching mechanism of secondary transmission case high and low shift is by high and low shift shift control mechanism, high and low shift synchronizer assembly is formed, high and low shift synchronizer assembly comprises high-grade cone hub, low-grade cone hub, synchronizer gear seat, synchronizer gear sleeve, high-grade cone hub and planet carrier are fixedly mounted with, low-grade cone hub and odd-side housing are fixedly mounted with, synchronizer gear seat and bull gear are fixedly mounted with, planet carrier by high and low shift shift control mechanism handle synchronizer gear sleeve respectively with height, low-grade cone hub combines, realize the switching of secondary transmission case high and low shift.
And the high and low shift shift control mechanism of described secondary transmission case is Pneumatic gearshift.
Advantage of the present utility model and beneficial effect are:
1, these ten second gear heavy duty automobile gear boxs, secondary transmission case adopts planetary gear mechanism, and adopt the switching mechanism of odd-side high and low shift to realize the conversion of odd-side high and low shift, when being positioned at low-grade location, can realize odd-side velocity ratio is 3.71:1 gearing down, during high tap position, secondary transmission case 1:1 transmission can be realized, the secondary transmission of major-minor case, transmission ratio can be made to expand, under the prerequisite that heavily card grade ability is constant, effectively improve the smoothness of the power character of automobile, fuel economy and gearshift, the low as far as possible dispatch driving of driver can also be made.
2, these ten second gear heavy duty automobile gear boxs, main tank shift control mechanism adopts manual shift, and rear odd-side high and low shift Gear shift operation mechanism adopts Pneumatic shift, and major-minor case adopts double H valve can realize interlock, and the convenience realizing gear shift operation is light and handy.
3, the utility model scientific structure design is reasonable, major-minor case transmission speed ratio wide ranges, and compact structure, and operation is light and handy, and fuel-economizing, gear are many; Grade ability is strong; Shift gears light, laborsaving; Life-span is long, reliability is high, solves existing gearbox and high power engine and to mismatch the problem of overlapping.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Accompanying drawing mark illustrates:
1-mono-axle assembly, 2-jack shaft, 3-bis-axle assembly, 4-main tank shift control mechanism, 5-high and low shift shift control mechanism, 6-odd-side housing, 7-main tank housing, 8-sun gear, 9-planet carrier, 10-bull gear, 11-locking plate, 12-low grade cone hub, 13-synchronizer gear seat, 14-top grade cone hub, 15-synchronizer gear sleeve, 16-planet wheel.
Embodiment
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of nine grades of heavy duty automobile gear boxs, comprise main transmission box, main transmission box by main tank housing 7, the full helical teeth of triple axle be installed in main tank housing often engages ordinary transmission mechanism and main tank shift control mechanism 4 is formed.The full helical teeth of triple axle often engages ordinary transmission mechanism and comprises axle assembly 1, two axle assembly 3 and jack shaft 2 assembly and driving gear at different levels.Main tank shift control mechanism is six gear shift control mechanisms.Its innovation is: also comprise secondary transmission case, secondary transmission case is made up of odd-side housing 6 and the planetary gear mechanism be arranged in odd-side housing and the switching mechanism of odd-side high and low shift, planetary gear mechanism is by bull gear 10, planet wheel 16, planet carrier 9 and sun gear 8 are formed, two axle assembly output terminals of main transmission box pass through the sun gear of spline joint planetary gear mechanism, the switching mechanism of secondary transmission case high and low shift is by high and low shift shift control mechanism 5, high and low shift synchronizer assembly is formed, high and low shift synchronizer assembly comprises high-grade cone hub 14, low-grade cone hub 12, synchronizer gear seat 13, synchronizer gear sleeve 15, high-grade cone hub and planet carrier are fixedly mounted with, low-grade cone hub and odd-side housing are fixedly mounted with, synchronizer gear seat and bull gear are fixedly mounted with, planet carrier by high and low shift shift control mechanism handle synchronizer gear sleeve respectively with height, low-grade cone hub combines, realize the switching of secondary transmission case high and low shift.The high and low shift shift control mechanism of secondary transmission case is Pneumatic gearshift.Low-grade cone hub bottom arranges locking plate 11.
Working principle of the present utility model is:
Secondary transmission case adopts planetary gear mechanism and the switching mechanism of odd-side high and low shift to realize high and low shift conversion, when odd-side high and low shift Gear shift operation mechanism is positioned at low-grade location, odd-side high and low shift synchronizer gear sleeve is bored hub with low grade and is combined, bull gear and case lock, two axles of main transmission box are by realizing exporting through planet carrier again after sun gear, and odd-side velocity ratio is 3.71:1; When odd-side high and low shift change to operating device be in high tap position time, odd-side high and low shift synchronizer gear sleeve bore hub be combined with top grade, and now, sun gear, bull gear and planet carrier one-tenth is integrated, and odd-side velocity ratio is 1:1.Synchronizer is synchronizer, and lubricating fitting has lubricating pump, oil duct, and shifting control system is gas control mode.
Although disclosed embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that, in the spirit and scope not departing from the utility model and claims, various replacement, change and amendment are all possible, and therefore scope of the present utility model is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (2)
1. nine grades of heavy duty automobile gear boxs, comprise main transmission box, main transmission box is by main tank housing, the full helical teeth of triple axle be installed in main tank housing often engages ordinary transmission mechanism and main tank shift control mechanism is formed, the full helical teeth of triple axle often engages ordinary transmission mechanism and comprises an axle assembly, two axle assemblies and countershaft assembly and driving gear at different levels, main tank shift control mechanism is six gear shift control mechanisms, it is characterized in that: also comprise secondary transmission case, secondary transmission case is made up of odd-side housing and the planetary gear mechanism be arranged in odd-side housing and the switching mechanism of odd-side high and low shift, planetary gear mechanism is by bull gear, planet wheel, planet carrier and sun gear are formed, two axle assembly output terminals of main transmission box pass through the sun gear of spline joint planetary gear mechanism, the switching mechanism of secondary transmission case high and low shift is by high and low shift shift control mechanism, high and low shift synchronizer assembly is formed, high and low shift synchronizer assembly comprises high-grade cone hub, low-grade cone hub, synchronizer gear seat, synchronizer gear sleeve, high-grade cone hub and planet carrier are fixedly mounted with, low-grade cone hub and odd-side housing are fixedly mounted with, synchronizer gear seat and bull gear are fixedly mounted with, planet carrier by high and low shift shift control mechanism handle synchronizer gear sleeve respectively with height, low-grade cone hub combines, realize the switching of secondary transmission case high and low shift.
2. nine grades of heavy duty automobile gear boxs according to claim 1, is characterized in that: the high and low shift shift control mechanism of described secondary transmission case is Pneumatic gearshift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833227.XU CN204477212U (en) | 2014-12-24 | 2014-12-24 | Nine grades of heavy duty automobile gear boxs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833227.XU CN204477212U (en) | 2014-12-24 | 2014-12-24 | Nine grades of heavy duty automobile gear boxs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204477212U true CN204477212U (en) | 2015-07-15 |
Family
ID=53633003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420833227.XU Expired - Fee Related CN204477212U (en) | 2014-12-24 | 2014-12-24 | Nine grades of heavy duty automobile gear boxs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204477212U (en) |
-
2014
- 2014-12-24 CN CN201420833227.XU patent/CN204477212U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |