CN207514180U - A kind of automobile-used large torque overgear 12 of heavy type commercial keeps off automatic mechanical transmission - Google Patents
A kind of automobile-used large torque overgear 12 of heavy type commercial keeps off automatic mechanical transmission Download PDFInfo
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- CN207514180U CN207514180U CN201721523214.2U CN201721523214U CN207514180U CN 207514180 U CN207514180 U CN 207514180U CN 201721523214 U CN201721523214 U CN 201721523214U CN 207514180 U CN207514180 U CN 207514180U
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Abstract
The utility model provides the technical solution that a kind of automobile-used large torque overgear 12 of heavy type commercial keeps off automatic mechanical transmission, be equipped on case of transmission for completing shift-selecting and changing actuating mechanism that 6 forward gears hang and take, for complete to reverse gear hang and take executing agency 27 of reversing gear, for complete range gear switching range gear executing agency, for completing the clutch actuating mechanism of clutch separation and combination, output shaft speed sensor, countershaft speed probe, layshaft brake and layshaft brake solenoid valve；The countershaft speed probe, output shaft speed sensor and layshaft brake solenoid valve are connect with transmission electronic control unit ECU.The popularization and application of the speed changer can greatly improve the fuel economy and driver comfort of vehicle, change traditional drive manner, so as to reduce the fatigue of driver, improve travel safety.
Description
Technical field
The utility model relates to a kind of speed changer, especially a kind of automobile-used gear of large torque overgear 12 of heavy type commercial is certainly
Dynamic mechanical transmission.
Background technology
Present European market AMT occupation rates are 80%, and the ratio is still rising.China is that commercial car manual transmission makes
With the highest country of rate, wherein manual transmission occupation rate of market is up to more than 99%, user group to the concern of domestic heavy truck and
Under the background that great change occurs in the market demand, and along with the matching application of high-power engine, vehicle is moved in market
Power, economy, comfortableness and security also proposed requirements at the higher level, and general common automatic mechanical transmission transmits torque
And transmission noise can not meet the matching demand of vehicle, the large torque 12 in the demand field keeps off automatic mechanical transmission and exists
The country not yet forms commercial application, still belongs to blank.This is the shortcoming present in the prior art.
Invention content
Technical problem to be solved in the utility model aiming at the deficiency present in the prior art, and provides a kind of
The automobile-used large torque overgear 12 of heavy type commercial keeps off the technical solution of automatic mechanical transmission.
This programme is achieved by the following technical measures：A kind of automobile-used large torque overgear 12 of heavy type commercial is kept off automatically
Mechanical transmission, including case of transmission, main tank and rear odd-side, the main tank is adopted using double intermediate shaft structures, the odd-side
With planetary gear construction, it is equipped with to complete shift-selecting and changing actuating mechanism that 6 forward gears hang and take, use on the case of transmission
In complete to reverse gear hang and take executing agency of reversing gear, for complete range gear switching range gear executing agency, for completing clutch
Clutch actuating mechanism, output shaft speed sensor, countershaft speed probe, layshaft brake and the countershaft that device is detached and combined
Brake solenoid valve；The countershaft speed probe, output shaft speed sensor and layshaft brake solenoid valve are and speed changer
Electronic control unit ECU connections.
Further improvement of the utility model is in addition, reversed gear executing agency includes reverse gear cylinder, piston, back fork
Axis, back fork, reverse gear sliding sleeve and reverse gear, and the back fork axis is fixed on the piston, and the back fork is consolidated
Be scheduled on the end of the back fork axis, the sliding sleeve empty set of reversing gear in the end of the back fork, it is described reverse gear sliding sleeve with
The reverse gear matches；The self-lock pin for being locked to back fork axis is additionally provided on the back fork axis.
Further improvement of the utility model in addition, further include is reversed gear position sensor and the position sensor ejector pin that reverses gear,
The position sensor ejector pin that reverses gear is fixed on the other end of the back fork axis, and the position sensor that reverses gear detects position of reversing gear
Sensor ejector pin depth position monitors the location information that reverses gear, and slides over neutral gear position to confirm to reverse gear and is still being linked into position.
Further improvement of the utility model is in addition, the clutch actuating mechanism is arranged on the case of transmission bottom
Portion.
Further improvement of the utility model is in addition, be provided with the line for drawing circuit bundle on the case of transmission
The total connector of beam.
Further improvement of the utility model is in addition, be provided with the gas for drawing gas path pipe on the case of transmission
The total connector in road.
Further improvement of the utility model is in addition, the tooth-formation of gear in the speed changer is helical gear.
The technical characterstic and good effect of the utility model be：
On the basis of the utility model keeps off mechanical transmission in existing large torque overgear 12, adaptability design is carried out,
Former manual gear shift mechanism is replaced using electropneumatic gear shifting actuating mechanism, is switched instead of the gear for manually realizing speed changer.Former machine
Tool speed changer it is small it is cover controlled have 4 block selecting positions, 7 drive ranges, are respectively completed 6 forward gears and what 1 reversed gear hangs and takes, this reality
With novel to carry out modularization, standardized designs, 6 forward ranges are hung and taken by shift-selecting and changing actuating mechanism completion, reversed gear by independent
Executing agency of reversing gear complete to hang and take, range gear synchronizer gear switching is completed by range gear executing agency.Moreover, this practicality is new
The countershaft speed probe of type can monitor countershaft rotating speed, and output shaft speed sensor can monitor output rotating speed, rotating speed
Monitoring hangs and takes for the synchronization of speed changer main tank gear and sliding sleeve convenient for gear.The lay shaft system of the utility model
Dynamic device, convenient for hanging and taking off speed and upshift process main tank gear and sliding sleeve rotating speed Fast synchronization in speed changer.
The automobile-used helical teeth large torque overgear 12 of the heavy type commercial, which keeps off succeeding in developing for automatic mechanical transmission, will lead me
Company's production transmissions enter a completely new technology platform, can greatly promote the development of my company car industry, improve
My company's truck manufacturing industry and the manufacturing core competitiveness of parts.The popularization and application of the speed changer can greatly improve vehicle
Fuel economy and driver comfort, change traditional drive manner, so as to reduce the fatigue of driver, improve row
Vehicle safety, driver can attentively drive, and reduce traffic accident, and the Working Life for improving people is horizontal, be made for society huge
Contribution, promotes the benign development of harmonious society.
It can be seen that the utility model is compared with prior art, there is substantive distinguishing features and progress, the beneficial effect implemented
Fruit is also obvious.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model；
Fig. 2 reverses gear for the utility model and hangs and takes structure diagram；
Fig. 3 is the overlooking the structure diagram of the utility model；
Fig. 4 is the left view structural representation of the utility model；
Fig. 5 is the rear structure schematic diagram of the utility model.
In figure, in figure, 1 is 5,6 gear gearshift sliding sleeves, and 2 be shift-selecting and changing actuating mechanism, and 3 keep off gearshift sliding sleeves for 3,4, and 4 be 1,2
Gearshift sliding sleeve is kept off, 5 be the sliding sleeve that reverses gear, and 6 be the cylinder that reverses gear, and 7 keep off synchronizer sliding sleeve for range, and 8 keep off executing agency for range,
9 be layshaft brake, and 10 be layshaft brake solenoid valve, and 11 be reverse gear, and 12 be back fork, and 13 be cunning of reversing gear
Set, 14 be back fork axis, and 15 be self-lock pin, and 16 be piston, and 17 be the position sensor ejector pin that reverses gear, and 18 be position of reversing gear
Put sensor, 19 be the total connector of harness, and 20 be gear-selecting cylinder, and 21 be shifting cylinder, and 22 be countershaft speed probe, 23
It is clutch actuating mechanism for the total connector of gas circuit, 24,25 be output shaft speed sensor, and 26 be countershaft, and 27 be execution of reversing gear
Mechanism.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by a specific embodiment, and its attached drawing is combined, it is right
This programme is illustrated.
By attached drawing as can be seen that a kind of automobile-used large torque overgear 12 of heavy type commercial keeps off automatic mechanical transmission, packet
Case of transmission, main tank and rear odd-side are included, the main tank uses planetary gear construction using double intermediate shaft structures, the odd-side,
It is equipped on the case of transmission for completing shift-selecting and changing actuating mechanism 2 that 6 forward gears hang and take, for completing to reverse gear and hang and take
Executing agency 27 of reversing gear, for complete range gear switching range gear executing agency 8, for completing clutch separation and combination
Clutch actuating mechanism 24, output shaft speed sensor 25, countershaft speed probe 22, layshaft brake 9 and countershaft braking
Device solenoid valve 10；The countershaft speed probe 22, output shaft speed sensor 25 and layshaft brake solenoid valve 10 with change
Fast device electronic control unit ECU connections.All gears of speed changer of the utility model hang and take by shift-selecting and changing actuating mechanism 2, reverse gear
Executing agency 27 and range gear executing agency 8 complete, and shift-selecting and changing actuating mechanism 2 divides for gear-selecting cylinder 21 and shifting cylinder 22, there is 3
A block selecting position and 6 positions of putting into gear, 27 complete independently of executing agency that reverses gear, which reverses gear, to be hung and taken, and range Dang Zhi executing agencies 8 complete
Range keeps off the switching of auxiliary box synchronizer high to low gear, and each executing agency believes according to the instruction that transmission electronic control unit ECU is sent out
Number, realize that gear automatically switches, top gear is overgear, i.e., for speed than being 0.786, specified input torque is big, reaches 2500 Ns of
Rice, meets heavy-duty commercial vehicle requirement.
Reversed gear executing agency 27 is including the cylinder 6 that reverses gear, piston 16, back fork axis 14, back fork 12, reverse gear sliding sleeve
13 and reverse gear 11, the back fork axis 14 be fixed on the piston 16, the back fork 12 be fixed on it is described fall
The end of shift fork axle 14 is kept off, 13 empty set of sliding sleeve of reversing gear is in the end of the back fork 12, sliding sleeve 13 and the institute of reversing gear
Reverse gear 11 is stated to match；The self-locking for being locked to back fork axis 14 is additionally provided on the back fork axis 14
Pin 15.Reverse gear position sensor 18 and the position sensor ejector pin 17 that reverses gear are further included, the position sensor ejector pin 17 that reverses gear is solid
The other end of the back fork axis 14 is scheduled on, the position sensor 18 that reverses gear detects 17 depth position of position sensor ejector pin of reversing gear
The location information that reverses gear is monitored, to confirm that the sliding sleeve 13 that reverses gear in neutral gear position is still being linked into position.
The clutch actuating mechanism 24 is arranged on the case of transmission bottom, ensures that clutch control is more accurate,
Also allow for vehicle matching application.
The total connector 19 of harness for drawing circuit bundle, all circuit lines of speed changer are provided on the case of transmission
Beam is externally picked out from the total connector of harness.
Be provided with the total connector 23 of gas circuit for drawing gas path pipe on the case of transmission, all gas path pipes from
The total connector of gas circuit externally picks out.
Tooth-formation of gear in the speed changer is helical gear, and bearing capacity is big, and stable drive, and noise is small.
（1）7 Dang Ge mechanisms gear shifting action processes are risen for 6 gears below, the process shift-selecting and changing actuating mechanism 2, range gear perform
Mechanism 8, clutch actuating mechanism 24, layshaft brake 9 both participate in gearshift.
Speed changer is blocked 6, and target gear 7 is kept off, and clutch actuating mechanism 24 changes clutch separation, gear selecting first
5,6 gear gearshift sliding sleeves 1 are returned to centre position by gear executing agency 2 from gear on the right side（Neutral gear）, range gear executing agency 8
Excitation pushes range gear synchronizer sliding sleeve to be switched to low gear from high gear.Layshaft brake solenoid valve 10 excites, to countershaft system
Dynamic device 9 supplies, and layshaft brake 9 brakes lay shaft 26, and speed changer electronic control unit TCU passes through countershaft rotating speed at this time
Sensor 22 and output shaft speed sensor 25 monitor the speed discrepancy of shift process gear and sliding sleeve, are monitoring 1,2 gear gearshifts
4 rotating speed of sliding sleeve is consistent with 1 gear gear rotational speed, excites shift-selecting and changing actuating mechanism 2, is linked into 1 gear gear position.Since range gear is secondary at this time
Case is switched to high gear, and speed changer is in 7 gear gears.
（2）Process is hung and taken for what is reversed gear below, what is reversed gear hangs and takes completely by 27 complete independently of executing agency that reverses gear.
It hangs and takes when reversing gear, stationary vehicle, speed changer is in neutral gear, such as Fig. 2, and the cylinder 6 that reverses gear excitation gas supply pushes piston 16
Advance, piston 16 is fixed on back fork axis 14, and back fork axis 14 is pushed to advance, and back fork 12 is also secured to reverse gear and dial
On fork shaft 14, and then back fork 12 is pushed to advance, reverse gear 13 empty set of sliding sleeve on back fork 12, back fork 12 pushes
The gear advance of sliding sleeve 13 is linked into reverse gear 11, and sliding sleeve 13 and reverse gear 11 to be reversed gear are at a fully engaged, and completion, which is reversed gear, to be hung and taken.Band is certainly
The self-lock pin 15 for locking spring hangs and takes neutral gear position and reversing gear position when the work of cylinder 6 of reversing gear is completed and carries out self-locking.It reverses gear position
It puts sensor ejector pin 17 to be fixed on back fork axis 14, be moved forward and backward with back fork axis 14, the position sensor 18 that reverses gear is examined
Survey reverses gear 17 depth position of position sensor ejector pin to monitor the location information that reverses gear, and neutral gear position is slided over still to confirm to reverse gear
It is being linked into position.
Although above-mentioned be described the specific embodiment of utility model with reference to attached drawing, not to the utility model
The limitation of protection domain, those skilled in the art should understand that, on the basis of the technical solution of the utility model, this field
Technical staff does not need to make the creative labor the various modifications or changes that can be made still in the scope of protection of the utility model
Within.
Claims (7)
1. a kind of automobile-used large torque overgear 12 of heavy type commercial keeps off automatic mechanical transmission, including case of transmission, main tank and
Odd-side afterwards, for the main tank using double intermediate shaft structures, the odd-side uses planetary gear construction, is installed on the case of transmission
It is useful for completing the shift-selecting and changing actuating mechanism that 6 forward gears hang and take（2）, for completing the executing agency of reversing gear that hangs and takes of reversing gear
（27）, for complete range gear switching range keep off executing agency（8）, hold for completing the clutch of clutch separation and combination
Row mechanism（24）, output shaft speed sensor（25）, countershaft speed probe（22）, layshaft brake（9）And layshaft brake
Solenoid valve（10）；The countershaft speed probe（22）, output shaft speed sensor（25）With layshaft brake solenoid valve（10）
It is connect with transmission electronic control unit ECU.
2. the automobile-used large torque overgear 12 of heavy type commercial according to claim 1 keeps off automatic mechanical transmission, feature
It is：Reversed gear executing agency（27）Including the cylinder that reverses gear（6）, piston（16）, back fork axis（14）, back fork（12）, fall
Keep off sliding sleeve（13）And reverse gear（11）, the back fork axis（14）It is fixed on the piston（16）On, the back fork
（12）It is fixed on the back fork axis（14）End, the sliding sleeve that reverses gear（13）Empty set is in the back fork（12）End
Portion, the sliding sleeve that reverses gear（13）With the reverse gear（11）It matches；The back fork axis（14）On be additionally provided with and be used for
To back fork axis（14）The self-lock pin locked（15）.
3. the automobile-used large torque overgear 12 of heavy type commercial according to claim 2 keeps off automatic mechanical transmission, feature
It is：Further include the position sensor that reverses gear（18）With the position sensor ejector pin that reverses gear（17）, the position sensor ejector pin that reverses gear
（17）It is fixed on the back fork axis（14）The other end, reverse gear position sensor（18）Detect the position sensor ejector pin that reverses gear
（17）Depth position monitors the location information that reverses gear, to confirm the sliding sleeve that reverses gear（13）Still position is being linked into neutral gear position.
4. the automobile-used large torque overgear 12 of heavy type commercial according to claims 1 or 2 or 3 keeps off automatic mechanical transmission,
It is characterized in that：The clutch actuating mechanism（24）It is arranged on the case of transmission bottom.
5. the automobile-used large torque overgear 12 of heavy type commercial according to claim 1 keeps off automatic mechanical transmission, feature
It is：The total connector of harness for drawing circuit bundle is provided on the case of transmission（19）.
6. the automobile-used large torque overgear 12 of heavy type commercial according to claim 1 keeps off automatic mechanical transmission, feature
It is：The total connector of gas circuit for drawing gas path pipe is provided on the case of transmission（23）.
7. the automobile-used large torque overgear 12 of heavy type commercial according to claim 1 keeps off automatic mechanical transmission, feature
It is：Tooth-formation of gear in the speed changer is helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523214.2U CN207514180U (en) | 2017-11-15 | 2017-11-15 | A kind of automobile-used large torque overgear 12 of heavy type commercial keeps off automatic mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523214.2U CN207514180U (en) | 2017-11-15 | 2017-11-15 | A kind of automobile-used large torque overgear 12 of heavy type commercial keeps off automatic mechanical transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514180U true CN207514180U (en) | 2018-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721523214.2U Active CN207514180U (en) | 2017-11-15 | 2017-11-15 | A kind of automobile-used large torque overgear 12 of heavy type commercial keeps off automatic mechanical transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207514180U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242733A (en) * | 2019-05-09 | 2019-09-17 | 南京越博动力系统股份有限公司 | A kind of electric automobile gear-box and its high to low gear location information recognition methods |
| CN110701260A (en) * | 2019-09-29 | 2020-01-17 | 宝鸡法士特齿轮有限责任公司 | AMT transmission assembly |
| CN110778708A (en) * | 2019-11-05 | 2020-02-11 | 邢台威力汽车零部件有限公司 | Automobile gear shifting execution device and gear shifting control system |
-
2017
- 2017-11-15 CN CN201721523214.2U patent/CN207514180U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242733A (en) * | 2019-05-09 | 2019-09-17 | 南京越博动力系统股份有限公司 | A kind of electric automobile gear-box and its high to low gear location information recognition methods |
| CN110701260A (en) * | 2019-09-29 | 2020-01-17 | 宝鸡法士特齿轮有限责任公司 | AMT transmission assembly |
| CN110778708A (en) * | 2019-11-05 | 2020-02-11 | 邢台威力汽车零部件有限公司 | Automobile gear shifting execution device and gear shifting control system |
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