CN106838145A - A kind of low consumption noise reduction commercial car speed changer - Google Patents
A kind of low consumption noise reduction commercial car speed changer Download PDFInfo
- Publication number
- CN106838145A CN106838145A CN201710172799.6A CN201710172799A CN106838145A CN 106838145 A CN106838145 A CN 106838145A CN 201710172799 A CN201710172799 A CN 201710172799A CN 106838145 A CN106838145 A CN 106838145A
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- CN
- China
- Prior art keywords
- gear
- synchronizer
- axle
- assembly
- components
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention belongs to gearbox field, it is related to a kind of commercial car gearbox, a kind of especially low consumption noise reduction commercial car speed changer, occasion is prepared for commercial car, solve noise big, gear poor performance, the low problem of efficiency, its agent structure includes an axle assembly, two axle assemblies, countershaft assembly, reverse gear idler shaft, procapsid, back casing, two axle bonnets, shift-feel pin, fork shaft, shift fork and gearshift assembly, two axle assemblies include one or two gear synchronizer components and three or four gear synchronizer components, one or two gear synchronizer components and three or four gear synchronizer components use bipyramid ring structure, increase synchronizer capacity, shorten lock in time, eliminate the secondary sensation put into gear, increase shift-feel pin and synchronizer key simultaneously to increase shift-feel, lifting shift of transmission maneuverability；Its reasonable integral structure, low production cost operates easy and convenient, energy-conserving and environment-protective, with good economic benefit and wide market promotion prospect.
Description
Technical field：
The invention belongs to gearbox field, it is related to a kind of commercial car gearbox, especially a kind of low consumption noise reduction commercial car becomes
Fast device, occasion is prepared for commercial car.
Background technology：
Speed changer is to lean on several gears to different drive ratios to realize changing torque and rotating speed, mainly by gear drive
Deceleration, increase torque effect.Two gears are meshed, and one tooth of driving gear promotes one tooth of driven gear, such as actively small
The number of teeth of gear is 8, and the number of teeth of driven gear wheel is 16, then pinion rotation 1 is enclosed, and gear wheel can only turn over half-turn, so one
Gear drive can just be reached reduces the effect of rotating speed.Meanwhile, the active force on two gear teeth contact surfaces is equal, root
Understand that under conditions of active force is equal, little gear radius is small, and torque is small according to the principle of " active force multiplies radius equal to torque ",
Gear wheel radius is big, and torque is also big, therefore, in little gear drive gear wheel, the rotating speed of gear wheel can be both reduced, again can be with
Increase the torque of gear wheel.The radius of actual gear and its number of teeth are a proportional relations, therefore, if disregard be driven
Frictional resistance in journey, the then multiple of the multiple of canine tooth wheel speed reduction, that is, torque increase.Make to realize that vehicle is actual
With the change torque and chronotropic action that are required under operating mode, speed changer must be made up of the multipair gear of different drive ratios.When a pair
During gear transmission power, other engagements that are out of gear.With the lifting of the discharge standard of national state five, each engine is gradually lifted
Moment of torsion, vehicle has greatly improved to the noise of speed changer, transmission efficiency, torque demand, maneuvering performance, existing domestic commercial
Car market is matched without suitable speed changer, is caused vehicle factory to introduce passenger car speed changer resource and is improved, and is made
Increase into production cost, and some high torque engines cannot be matched.Chinese patent CN104006146B discloses heavily loaded change
Fast case, with gear unit and fueller, the gear unit includes the output of stator side body, rotor-side input shaft and rotor-side
Axle, the rotor-side input shaft can be by drive motor, and unit to be driven can drive via rotor-side output shaft, the fuel feeding
Device includes the low voltage section and the high-voltage section for providing high pressure oil supply for providing low pressure oil supply, wherein, fueller
Low voltage section and the high-voltage section of fueller arrange that and the low voltage section of fueller is spaced apart with gear unit close to gear unit
Ground arrangement, there is big noise, gear poor performance, the defect that efficiency is low, quality is heavy, the present vehicle market mainstream can not have been met in it
The use requirement of consumer.
The content of the invention：
It is an object of the invention to the shortcoming for overcoming prior art to exist, seek to design a kind of low consumption noise reduction commercial car speed change
Device, solution noise is big, gear poor performance, the low problem of efficiency, and one or two gear synchronizer components and three or four gear synchronizer components are used
Bipyramid ring structure, increases synchronizer capacity and shortens lock in time, eliminates the secondary sensation put into gear, at the same increase shift-feel pin and
Synchronizer key lifts shift of transmission maneuverability to increase shift-feel.
To achieve these goals, low consumption noise reduction commercial car transmissions body structure of the present invention is total comprising an axle
Into, two axle assemblies, countershaft assembly, the idler shaft that reverses gear, procapsid, back casing, two axle bonnets, shift-feel pin, fork shaft, dial
Fork, gearshift assembly, procapsid, back casing and two axle bonnets composition case of transmission, middle part level sets in transmission housing body
An axle assembly is equipped with, an axle assembly rear end is coaxially arranged with two axle assemblies, is connected by bearing between two axle assemblies and an axle assembly
Connect, two axle assembly lower horizontals are provided with countershaft assembly, connected by gear between countershaft assembly and two axle assemblies, it is middle
Axle assembly lower horizontal is provided with the idler shaft that reverses gear, and reverses gear and connected by gear between idler shaft and countershaft assembly, and two axles are total
Upper horizontal is provided with fork shaft, shift fork is provided with fork shaft, fork shaft front end top is provided with gearshift assembly, and gearshift is total
Gearshift function is realized into by shift-feel pin；Two axle assemblies comprising two axles, three or four gear synchronizer components, three gear gear components,
Second gear component, first gear component, five gear gear components, five reverse gear synchronizer components, one or two gear synchronizer components, two axles
On be disposed with from front to back three or four gear synchronizer components, three gear gear components, second gear component, first gear component,
Five gear gear components, five reverse gear synchronizer components and one or two gear synchronizer components, five reverse gear synchronizer components reverse gear tooth comprising five
Set, five are reversed gear tooth hub, synchronizer key, spring base and support spring, five reverse gear tooth hub top groove in be provided with support spring,
Support spring top is installed with spring base, and spring base top is provided with synchronizer key, and synchronizer key top is provided with five and falls
Gear tooth set, one or two gear synchronizer components are comprising in one or two gear tooth sets, one or two gear tooth hubs, one or two gear conical ring inner ring, one or two gear conical rings
Ring, one or two gear conical ring outer shroud and synchronizer springs, the left and right sides and a left side for bottom at the top of one or two gear tooth hubs of column structure
Right both sides are dimensional structure identical groove-like structure, and slot opening direction is horizontal direction, and inside grooves set vertically
There is dimensional structure identical one or two to keep off conical ring, one or two gear conical rings are by one or two gear conical ring inner ring, one or two gear conical ring middle rings and one or two gears
Conical ring outer shroud from top to bottom installs composition successively, and one or two gear tooth sets, one or two gear cones are equipped with the top and bottom of one or two gear tooth hubs
Synchronizer spring is equipped between ring outer shroud and one or two gear tooth sets, one or two gear synchronizer components are formula structure symmetrical above and below.
Three or four gear synchronizer components are identical with one or two gear synchronizer component structures, using bipyramid ring structure, make in speed change
Increase the friction area of synchronization device cone ring in the compact space in device inside, increase frictional force, shorten lock in time, lifting is synchronous
Effect, improves speed changer and puts into gear feel.
Power transmission line is：One axle assembly is connected by front end spline with engine, and engine rotation drives an axle total
Into rotation, an axle assembly is meshed by gear with countershaft assembly and drives countershaft assembly to rotate, on countershaft assembly
Pinion rotation on the axle assembly of gear driven two, operator is put into gear by gear shift mechanism assembly, and pinion rotation simultaneously passes through
Synchronizer component drives two axles to rotate, and the incoming next stage transmission mechanism of power is completed power output by two axles.
Compared with prior art, one or two gear synchronizer components and three or four gear synchronizer components use bipyramid ring knot to the present invention
Structure, increases synchronizer capacity and shortens lock in time, to eliminate the secondary sensation put into gear, and increases shift-feel pin and synchronizer
Sliding block, to increase shift-feel, lifts shift of transmission maneuverability, and the 8 class precision Gear Processing precision that will be commonly used are improved
To 7 grades, while optimizing speed changer internal structure, speed changer overall noise is reduced to 83dB by 90dB, meets country to speed change
The requirement of device noise, improves transmission efficiency, while realizing matching for speed changer and the equal moment of torsion of engine, breaches speed changer
Matching engine torque needs to stay the custom requirements of 0.2 reserve coefficient, by the reduction of ad eundem vehicle cost, and improves product
Shift control performance, its reasonable integral structure, low production cost operates easy and convenient, energy-conserving and environment-protective, with good economic valency
Value and wide market prospects.
Brief description of the drawings：
Fig. 1 is the agent structure principle schematic of low consumption noise reduction commercial car speed changer of the present invention.
Fig. 2 is the principle schematic diagram. of two axle assemblies of low consumption noise reduction commercial car speed changer of the present invention.
Fig. 3 is that the structural principle of one or two gear synchronizer components of low consumption noise reduction commercial car speed changer of the present invention is illustrated
Figure.
Specific embodiment：
Below in conjunction with the accompanying drawings and specific embodiment is described further to the present invention.
The agent structure of the low consumption noise reduction commercial car speed changer that the present embodiment is related to comprising an axle assembly 1, two axle assemblies 2,
Countershaft assembly 3, the idler shaft 4 that reverses gear, procapsid 5, back casing 6, two axle bonnets 7, shift-feel pin 8, fork shaft 9, shift fork 10, change
Retaining device assembly 11, procapsid 5, the composition case of transmission of 6 and two axle bonnet of back casing 7, middle part level sets in transmission housing body
An axle assembly 1 is equipped with, the rear end of an axle assembly 1 is coaxially arranged with two axle assemblies 2, axle is passed through between two axle assemblies 2 and an axle assembly 1
Connection is held, the lower horizontal of two axle assembly 2 is provided with countershaft assembly 3, gear is passed through between the axle assembly 2 of countershaft assembly 3 and two
Connection, the lower horizontal of countershaft assembly 3 is provided with the idler shaft 4 that reverses gear, and reverses gear and passes through tooth between idler shaft 4 and countershaft assembly 3
Wheel connection, the upper horizontal of two axle assembly 2 is provided with fork shaft 9, and shift fork 10 is provided with fork shaft 9, and the front end of fork shaft 9 top is provided with gearshift
Mechanism assembly 11, gearshift assembly 11 realizes gearshift function by shift-feel pin 8；Two axle assemblies 2 include two axles 200, three
Four gear synchronizer components 201, three keep off gear component 202, second gear component 203, the gear gear joint of first gear component 204, five
Part 205, the gear synchronizer of five reverse gear synchronizer component 206,1 component 207, three or four are disposed with two axles 200 from front to back
Gear synchronizer component 201, three keeps off gear component 202, second gear component 203, the gear gear component of first gear component 204, five
205th, the gear of five reverse gear synchronizer component 206 and 1 synchronizer component 207, five reverse gear synchronizer components 206 reverse gear tooth comprising five
Set 2061, five reverses gear tooth hub 2062, synchronizer key 2063, spring base 2064 and support spring 2065, and five reverse gear tooth hub 2062
Top groove in be provided with support spring 2065, the top of support spring 2065 is installed with spring base 2064, spring base 2064
Top is provided with synchronizer key 2063, and the top of synchronizer key 2063 is provided with the five tooth sets 2061,1 that reverse gear and keeps off synchronizer components
207 keep off the gear conical ring of tooth hub 2072,1 inner ring 2073,1 comprising one or two gear tooth sets 2071,1 keeps off conical ring middle ring 2074,
Two gear conical ring outer shrouds 2075 and synchronizer spring 2076, the left and right sides and bottom at the top of one or two gear tooth hubs 2072 of column structure
The left and right sides in portion is dimensional structure identical groove-like structure, and slot opening direction is horizontal direction, and inside grooves are equal
The gear conical ring of dimensional structure identical one or two is provided with vertically, and one or two gear conical rings are kept off in conical ring by one or two gear conical ring inner ring 2073,1
The gear conical ring of ring 2074 and 1 outer shroud 2075 from top to bottom installs composition successively, and the top and bottom of one or two gear tooth hubs 2072 are all provided with
There are one or two gear tooth sets 2071,1 to keep off between conical ring outer shroud 2075 and 1 keeps off tooth set 2071 and be equipped with synchronizer spring 2076,
One or two gear synchronizer components 207 are formula structure symmetrical above and below.
Three or four gear synchronizer components 201 are identical with one or two gear synchronizer 207 structures of component, using bipyramid ring structure.
Claims (4)
1. a kind of low consumption noise reduction commercial car speed changer, it is characterised in that agent structure includes an axle assembly, two axle assemblies, jackshaft
Assembly, the idler shaft that reverses gear, procapsid, back casing, two axle bonnets, shift-feel pin, fork shaft, shift fork and gearshift assembly, it is preceding
Housing, back casing and two axle bonnets composition case of transmission, middle part is horizontally disposed in transmission housing body an axle assembly, and an axle is total
Two axle assemblies are coaxially arranged with into rear end, are connected by bearing between two axle assemblies and an axle assembly, two axle assembly lower horizontals
Countershaft assembly is provided with, is connected by gear between countershaft assembly and two axle assemblies, countershaft assembly lower horizontal is set
Reverse gear idler shaft, reverses gear and connected by gear between idler shaft and countershaft assembly, and two axle assembly upper horizontals are provided with fork
Axle, is provided with shift fork on fork shaft, fork shaft front end top is provided with gearshift assembly, and gearshift assembly passes through shift-feel pin reality
Existing gearshift function.
2. low consumption noise reduction commercial car speed changer as claimed in claim 1, it is characterised in that two axle assembly includes two axles, three
Four gear synchronizer components, three gear gear components, second gear component, first gear component, five gear gear components, five are reversed gear synchronization
Device component and one or two gear synchronizer components, are disposed with three or four gear synchronizer components, three gear gear joints from front to back on two axles
Part, second gear component, first gear component, five gear gear components, five reverse gear synchronizer components and one or two gear synchronizer components,
Five reverse gear synchronizer components comprising five reverse gear tooth set, five reverse gear tooth hub, synchronizer key, spring base and support spring, five reverse gear
Support spring is provided with the top groove of tooth hub, support spring top is installed with spring base, and spring base top is provided with synchronization
Device sliding block, synchronizer key top is provided with five and reverses gear tooth set.
3. the low consumption noise reduction commercial car speed changer as described in any one in claim 1-2, it is characterised in that one or two gear
Synchronizer component includes one or two gear tooth sets, one or two gear tooth hubs, one or two gear conical ring inner ring, one or two gear conical ring middle rings, one or two gear conical rings
Outer shroud and synchronizer spring, the left and right sides at top and the left and right sides of bottom of one or two gear tooth hubs of column structure are size
Structure identical groove-like structure, slot opening direction is horizontal direction, and it is identical that inside grooves are provided with dimensional structure vertically
One or two gear conical rings, one or two gear conical rings are by one or two gear conical ring inner ring, one or two gear conical ring middle rings and one or two gear conical ring outer shrouds by up to
Under successively install composition, one or two gear tooth hubs at the top and bottom of be equipped with one or two gear tooth sets, one or two gear conical ring outer shrouds with one or two keeps off
Synchronizer spring is equipped between tooth set, one or two gear synchronizer components are formula structure symmetrical above and below.
4. low consumption noise reduction commercial car speed changer as claimed in claim 3, it is characterised in that three or four gear synchronizer component and one or two
The structure for keeping off synchronizer component is identical, using bipyramid ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710172799.6A CN106838145A (en) | 2017-03-22 | 2017-03-22 | A kind of low consumption noise reduction commercial car speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710172799.6A CN106838145A (en) | 2017-03-22 | 2017-03-22 | A kind of low consumption noise reduction commercial car speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838145A true CN106838145A (en) | 2017-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710172799.6A Pending CN106838145A (en) | 2017-03-22 | 2017-03-22 | A kind of low consumption noise reduction commercial car speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838145A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578556A (en) * | 2018-12-06 | 2019-04-05 | 苏州绿控传动科技股份有限公司 | A kind of second gear mechanical vehicle speed transmission |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547191U (en) * | 2009-12-15 | 2010-08-11 | 中国重汽集团大同齿轮有限公司 | Light six-gear automobile gearbox |
| CN201651179U (en) * | 2010-03-26 | 2010-11-24 | 杨国栋 | Minibus gearbox |
| CN202451720U (en) * | 2012-03-06 | 2012-09-26 | 山东临沂临工汽车桥箱有限公司 | Mini-truck speed changing box |
| CN202646553U (en) * | 2012-06-21 | 2013-01-02 | 海马轿车有限公司 | Six-speed manual transmission |
| CN103453079A (en) * | 2013-09-09 | 2013-12-18 | 山东临沂临工汽车桥箱有限公司 | Gasoline mini-truck speed changer |
| CN104613138A (en) * | 2015-02-09 | 2015-05-13 | 山东雷沃桥箱有限公司 | Synchronizer gear shifting device of shuttle-type gearbox of tractor of 25-40 horsepower |
-
2017
- 2017-03-22 CN CN201710172799.6A patent/CN106838145A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547191U (en) * | 2009-12-15 | 2010-08-11 | 中国重汽集团大同齿轮有限公司 | Light six-gear automobile gearbox |
| CN201651179U (en) * | 2010-03-26 | 2010-11-24 | 杨国栋 | Minibus gearbox |
| CN202451720U (en) * | 2012-03-06 | 2012-09-26 | 山东临沂临工汽车桥箱有限公司 | Mini-truck speed changing box |
| CN202646553U (en) * | 2012-06-21 | 2013-01-02 | 海马轿车有限公司 | Six-speed manual transmission |
| CN103453079A (en) * | 2013-09-09 | 2013-12-18 | 山东临沂临工汽车桥箱有限公司 | Gasoline mini-truck speed changer |
| CN104613138A (en) * | 2015-02-09 | 2015-05-13 | 山东雷沃桥箱有限公司 | Synchronizer gear shifting device of shuttle-type gearbox of tractor of 25-40 horsepower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578556A (en) * | 2018-12-06 | 2019-04-05 | 苏州绿控传动科技股份有限公司 | A kind of second gear mechanical vehicle speed transmission |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |
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