CN102734402B - The two jack shaft pin-type synchronizer gearbox of novel 16 grades of helical teeth - Google Patents
The two jack shaft pin-type synchronizer gearbox of novel 16 grades of helical teeth Download PDFInfo
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- CN102734402B CN102734402B CN201210214375.9A CN201210214375A CN102734402B CN 102734402 B CN102734402 B CN 102734402B CN 201210214375 A CN201210214375 A CN 201210214375A CN 102734402 B CN102734402 B CN 102734402B
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Abstract
The invention discloses the two jack shaft pin-type synchronizer gearbox of a kind of novel 16 grades of helical teeth, comprise main tank part and odd-side part, the main shaft being provided with input shaft in described main tank part and being connected with input shaft, main shaft is connected with sun gear in odd-side part by spline spacer shell, the front end and back end of main shaft is respectively equipped with positioning means after main shaft prelocalization mechanism and main shaft, and main shaft is provided with some helical gears; In described main tank part, input shaft is provided with input and inserts sub-agencies, and the main shaft in main tank part is equipped with a set of pin-type synchronizer between one second gear, between three fourth gear respectively; Planetary wheel mechanism is provided with in described odd-side part.This gearbox rapid operation, gear shift operation are steady, stable drive, noise are low, can extend gearbox physical life.
Description
Technical field
The present invention relates to a kind of gearbox, the two jack shaft pin-type synchronizer gearbox of especially a kind of novel 16 grades of helical teeth.
Background technique
At present, in common heavy type lorry transmission-gear box structure, employing engaging sleeve is shifted gears, during from a gear ratio conversion to another ratio transmissions, because the line of contact speed will carrying out a pair gear or the engaging sleeve engaged during gearshift is unequal, so will impact when engaging, cause noise, even damage the gear teeth, cause premature wear.And driver needs when operating that larger gear shifting force is rapid and correct at short notice completes gearshift, easily cause fatigue.In view of existing problems during above-mentioned heavy type lorry transmission-gear box gearshift, need take measures in gearbox designs, namely ensure that engage a gear is smooth-going, make simple operation again, alleviate the labor intensity of driver.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, providing novel 16 grades of helical teeth that a kind of rapid operation, gear shift operation are steady, stable drive, noise are low, can extend gearbox physical life two jack shaft pin-type synchronizer gearbox.
For achieving the above object, the present invention adopts following technical proposals:
The two jack shaft pin-type synchronizer gearbox of a kind of novel 16 grades of helical teeth, comprise main tank part and odd-side part, the main shaft being provided with input shaft in described main tank part and being connected with input shaft, main shaft is connected with sun gear in odd-side part by spline spacer shell, the front end and back end of main shaft is respectively equipped with positioning means after main shaft prelocalization mechanism and main shaft, and main shaft is provided with some helical gears; In described main tank part, input shaft is provided with input and inserts sub-agencies, and the main shaft in main tank part is equipped with a set of pin-type synchronizer between one second gear, between three fourth gear respectively; Planetary wheel mechanism is provided with in described odd-side part.
Described main shaft prelocalization mechanism comprises input shaft, and input shaft end extend in the hole of front-end of spindle, and input shaft is connected by oil pipe with the oil leab of main shaft; Input shaft combines with main shaft position is provided with thrust-bearing mechanism; Described input shaft front end is installed on fore shell by bearing of input shaft and input shaft end covers, and described fore shell is fixedly connected with input shaft end cap; By being provided with underneath drive gear, the slotting sub-agencies of input and high driving gear after forward direction successively on described input shaft.
Described thrust-bearing mechanism comprises and is arranged at input shaft forward thrust bearing on input shaft before and after high driving gear and input shaft back pressure bearing, input shaft back pressure bearing rear portion contacts with the bearing race be enclosed within input shaft, be provided with lining between bearing race and input shaft, and lining is radial and have gap between input shaft.
Described main shaft and bearing race surface of contact are main shaft orientation face.
Described main shaft forward gear right-handed spiral configuration, main shaft reverse gear left-handed spiral configuration.
It is single conical surface lock ring type synchronizer that sub-agencies is inserted in described input.
Described pin-type synchronizer, comprises the tooth cover be connected with shift fork, and tooth puts and is provided with some mounting holes, and locating stud and lock pin are each passed through the mounting hole that tooth puts, and locating stud and lock pin two ends are riveted in the mounting hole of high-grade synchronizing ring and low-grade synchronizing ring respectively; The male cone (strobilus masculinus) of high-grade synchronizing ring and low-grade synchronizing ring matches with the inner conical surface of the gear corresponding to it respectively; Tooth puts and is provided with blind hole in the below of locating stud, is provided with pushing block in blind hole, and pushing block inside is provided with spring; Tooth cover is installed on main shaft by spline.
The male cone (strobilus masculinus) of described high-grade synchronizing ring and low-grade synchronizing ring is all bonded with friction material layer.
Described planetary wheel mechanism comprises the sun gear being arranged at rear-end of spindle and the some planet wheels be arranged on planet carrier be meshed with sun gear, and sun gear rear end is provided with thrust-bearing.
Main tank gear of the present invention adopts helical teeth design, and be different from the helical gear rotation direction of conventional design, main shaft forward gears is dextrorotation, makes axial force point to left end.Main shaft adopts forward and backward two location, main tank is when keeping off, the axial force that each corresponding shaft of gearbox is subject to is contrary with conventional design, the axial force to the right that bearing of input shaft gives by driving gear, main shaft, by axial force left, is balancing main shaft and input shaft axial force, and diaxon combines position, thrust bearing is installed, offsets the axial force of input shaft and main shaft; When main tank is shifted gears to low-grade location, main bearing is by gear shifting force to the right, and sun gear rear end is provided with thrust-bearing, by planet carrier balancing axial thrust.
The present invention adopts major and minor case Combination Design, and the two intermediate shaft structure of main tank, gear adopts helical teeth.Main shaft adopts forward and backward two location, and sun gear rear end adopts thrust-bearing, offsets the axial force that helical teeth produces, and the axial force produced when bearing gearshift.Separation structure is inserted in input, adopts single conical surface lock ring type synchronizer to shift gears, compact structure, preposition slotting crosspiece separating structure and main tank are combined together, and when increasing whole gearbox length and being little, the gear of gearbox is doubled, each gear speed ratio jump is little.Install a set of pin-type synchronizer respectively additional between one second gear, between three fourth gear, object increases synchronizer friction torque, reduces gear shifting force, the impact produced when reducing gearshift and noise.Odd-side planetary gear train structure, improves odd-side bearing capacity and life-span, considerably reduces transmission assembly noise, improve gearbox bearing capacity, realize gear shift operation light, steady.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is front-end of spindle location schematic diagram;
Fig. 3 is main shaft rear positioning structure schematic diagram;
Fig. 4 is a second gear pin-type synchronizer structural representation;
Wherein: 1, input shaft end cap; 2, fore shell; 3, bearing of input shaft; 4, underneath drive gear; 5, stepping list conical surface lock ring type synchronizer is inserted; 6, input shaft forward thrust bearing; 7, high driving gear; 8, input shaft back pressure bearing; 9, bearing race; 10, lining; 11, oil pipe; 12, input shaft; 13, main shaft; 14, toothholder jump ring; 15, stepping toothholder is inserted; 16, spline spacer shell; 17, main shaft sun gear adjustment pad; 18, sun gear; 19, sun gear back pressure bearing; 20, pad after sun gear; 21, planet carrier, 22, main shaft intermediate gear; 23, declutch shift shaft; 24, shift fork; 25, high-grade synchronizing ring; 26, locating stud; 27, tooth cover; 28, pushing block; 29, spring; 30, main shaft one grade of gear; 31, lock pin; 32, low-grade synchronizing ring; A is the main tank part of two intermediate shaft structure; B is the odd-side part of planetary gear train structure; C is the slotting sub-agencies of input; D is three fourth gear pin-type synchronizers; E is a second gear pin-type synchronizer.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As Figure 1-4, the two jack shaft pin-type synchronizer gearbox of novel 16 grades of helical teeth, comprise main tank part A and odd-side part B, the main shaft 13 being provided with input shaft 12 in main tank part A and being connected with input shaft 12, main shaft 13 is connected with sun gear 18 in odd-side part B by spline spacer shell 16, the front end and back end of main shaft 13 is respectively equipped with positioning means after main shaft prelocalization mechanism and main shaft, and main shaft 13 is provided with some helical gears; In described main tank part B, input shaft 12 is provided with input and inserts a point C, and the main shaft in main tank part A is equipped with a set of pin-type synchronizer between one second gear, between three fourth gear respectively; Planetary wheel mechanism is provided with in described odd-side part B.
By handle slotting stepping list conical surface lock ring type synchronizer 5 power come on control inputs axle 12 and pass to driving gear low 4 or driving gear high by 7, the different rotating speeds realizing main shaft 13 reaches the object increasing gearbox-gear.
Input shaft front end is installed on fore shell 2 and input shaft end cap 1 by bearing of input shaft 3, and described fore shell 2 is fixedly connected with input shaft end cap 1; Inserting stepping list conical surface lock ring type synchronizer 5 is arranged on slotting stepping toothholder 15, inserts stepping toothholder 15 and is installed on input shaft 12, and realizes locating on input shaft 13 by toothholder jump ring 14.
Input shaft 12 stretches in main shaft 13 hole, and oil pipe 11 connects input shaft 12 and main shaft 13 oil leab; Main shaft 13 and bearing race 9 surface of contact are main shaft 13 locating face; Bearing race 9 installs powder metallurgy lining 10, and lining 10 is radial leaves gap with input shaft 12, floats to realize main shaft 13; The dextrorotation of transmission main shaft forward gear, main shaft reverse gear is left-handed, main shaft 13 axial force left, main tank is when keeping off, main shaft 13 axial force transmission is to bearing race 9, then be transitioned into input shaft 12 by input shaft back pressure bearing 8, high driving gear 7, input shaft forward thrust bearing 6, balance by input shaft 12; High driving gear 7 has initiatively and passive transmission two kinds of functions, time initiatively, axial force to the right, time passive, axial force left, when high driving gear 7 is passive when keeping off, speed discrepancy is produced between itself and input shaft 12, axial force points to input shaft 12, is balancing axial thrust, installs input shaft forward thrust bearing 6 between high driving gear 7 and input shaft 12 end face additional.
When main tank is shifted gears to low gear, main shaft 12 bears axial shifting power to the right, is delivered to sun gear 18, is then delivered to pad 20 after sun gear back pressure bearing 19, sun gear by main shaft sun gear adjustment pad 17, finally be delivered to planet carrier 21, balance by planet carrier 21.
Main tank A gear adopts helical teeth design, on main shaft 13, forward gears is dextrorotation, the axial force that each corresponding shaft is subject to is contrary with conventional design, main shaft 13 axially locating moves to front, main shaft 13 combines with input shaft 12 position, thrust bearing is installed, offsets the axial force of input shaft 12 and main shaft 13.
Odd-side B adopts planetary gear train, and object is to improve odd-side bearing capacity and life-span.
Separation structure C is inserted in input, and compact structure, makes preposition slotting crosspiece separating structure and main tank combine together, and when increasing whole gearbox length and being little, the gear of gearbox is doubled, each gear speed ratio is differential little.
A three fourth gear pin-type synchronizer D and second gear pin-type synchronizer E, comprise high-grade synchronizing ring 25, low-grade synchronizing ring 32, tooth cover 27, some locating studs 26, some lock pins 31, some pushing blocks 28, some springs 29.Bonding friction material on the male cone (strobilus masculinus) of high-grade synchronizing ring 25, low-grade synchronizing ring 32.Tooth cover 27, high-grade synchronizing ring 25, low-grade synchronizing ring 32 are provided with some mounting holes, and locating stud 26, lock pin 31 are each passed through the mounting hole on tooth cover 27, and two ends are riveted in the mounting hole in high-grade synchronizing ring 25, low-grade synchronizing ring 32 respectively.Tooth cover 27 is provided with blind hole in the below of locating stud 26, and it is inner that spring 29 is placed in pushing block 28, and pushing block 28 is placed in above-mentioned blind hole.Tooth cover 27 is installed on main shaft 13 by spline.
Composition graphs 4 describes the two middle shaft helical teeth transmission lock pin-type synchronizer working procedure of the present invention 16 grades in detail.When handling gearbox and changing one grade, declutch shift shaft 23 drives shift fork 24 to stir tooth cover 27 and moves to main shaft one grade of gear 30 vertically, leave main shaft intermediate gear 22, locating stud 26 drove high-grade synchronizing ring 25 before the elastic force not overcoming spring 28, low-grade synchronizing ring 32 moves to main shaft one grade of gear 30 vertically, the inner conical surface of the male cone (strobilus masculinus) of low-grade synchronizing ring 32 and main shaft one grade of gear 30 is made to contact and produce friction torque, synchronizing ring 32 and the lock pin 31 with the locking conical surface that is riveted together with it is forced to rotate, namely lock pin 31 rotates an angle in the mounting hole of the tooth cover 27 corresponding locking conical surfaces, tooth is made to overlap 27 and lock pin 31 mutual locking under the effect of friction torque.When the rotating speed of low-grade synchronizing ring 32 and main shaft one grade of gear 30 is consistent, tooth cover 27 and lock pin 31 terminate locking, locating stud 26 overcomes spring force and presses down pushing block 28, tooth cover 27 continues to move to main shaft one grade of gear 30 vertically, tooth overlaps 27 external spliness and main shaft one grade of gear 30 internal spline and engages, and completes without crash change of speed process.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1. the two jack shaft pin-type synchronizer gearbox of novel 16 gear helical teeth, comprise main tank part and odd-side part, the main shaft being provided with input shaft in described main tank part and being connected with input shaft, main shaft is connected with sun gear in odd-side part by spline spacer shell, locate structure after the front end and back end of main shaft is respectively equipped with main shaft prelocalization mechanism and main shaft, main shaft is provided with some helical gears; In described main tank part, input shaft is provided with input and inserts sub-agencies, is provided with planetary wheel mechanism in described odd-side part; It is characterized in that, the main shaft in main tank part is equipped with a set of pin-type synchronizer between one or two gears, between three or four gears respectively, make preposition inserting divide gear structure and main tank to combine together, increase synchronizer friction torque, reduce gear shifting force, reduce the impact and noise that produce when shifting gears;
Described pin-type synchronizer, comprises the tooth cover be connected with shift fork, and tooth puts and is provided with some mounting holes, and locating stud and lock pin are each passed through the mounting hole that tooth puts, and locating stud and lock pin two ends are riveted in the mounting hole of high gear synchronizing ring and low gear synchronizing ring respectively; The male cone (strobilus masculinus) of high gear synchronizing ring and low gear synchronizing ring matches with the inner conical surface of the gear corresponding to it respectively; The male cone (strobilus masculinus) of described high gear synchronizing ring and low gear synchronizing ring is all bonded with friction material layer; Tooth puts and is provided with blind hole in the below of locating stud, is provided with pushing block in blind hole, and pushing block inside is provided with spring; Tooth cover is installed on main shaft by spline, and lock pin is with the locking conical surface, and lock pin overlaps in the mounting hole of the corresponding locking conical surface at tooth and rotates an angle, and tooth is overlapped and lock pin mutual locking under the effect of friction torque.
2. novel 16 keep off the two jack shaft pin-type synchronizer gearboxes of helical teeth as claimed in claim 1, it is characterized in that, described main shaft prelocalization mechanism comprises input shaft, and input shaft end extend in the hole of front-end of spindle, and input shaft is connected by oil pipe with the oil leab of main shaft; Input shaft combines with main shaft position is provided with thrust-bearing mechanism; Described input shaft front end is installed on fore shell by bearing of input shaft and input shaft end covers, and described fore shell is fixedly connected with input shaft end cap; On described input shaft, fore shell is interior by being provided with underneath drive gear, the slotting sub-agencies of input and high driving gear after forward direction successively.
3. novel 16 keep off the two jack shaft pin-type synchronizer gearboxes of helical teeth as claimed in claim 2, it is characterized in that, described thrust-bearing mechanism comprises and is arranged at input shaft forward thrust bearing on input shaft before and after high driving gear and input shaft back pressure bearing, input shaft back pressure bearing rear portion contacts with the bearing race be enclosed within input shaft, be provided with lining between bearing race and input shaft, and lining is radial and have gap between input shaft.
4. novel 16 keep off the two jack shaft pin-type synchronizer gearboxes of helical teeth as claimed in claim 3, it is characterized in that, described main shaft and bearing race surface of contact are main shaft orientation face.
5. novel 16 keep off the two jack shaft pin-type synchronizer gearboxes of helical teeth as claimed in claim 1, it is characterized in that, described main shaft forward gears right-handed spiral configuration, main shaft reverse gear left-handed spiral configuration.
6. novel 16 keep off the two jack shaft pin-type synchronizer gearboxes of helical teeth as claimed in claim 1, it is characterized in that, it is single conical surface lock ring type synchronizer that sub-agencies is inserted in described input.
7. novel 16 keep off the two jack shaft pin-type synchronizer gearboxes of helical teeth as claimed in claim 1, it is characterized in that, described planetary wheel mechanism comprises the sun gear being arranged at rear-end of spindle and the some planet wheels be arranged on planet carrier be meshed with sun gear, and the main shaft of sun gear rear end is provided with thrust-bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214375.9A CN102734402B (en) | 2012-06-27 | 2012-06-27 | The two jack shaft pin-type synchronizer gearbox of novel 16 grades of helical teeth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214375.9A CN102734402B (en) | 2012-06-27 | 2012-06-27 | The two jack shaft pin-type synchronizer gearbox of novel 16 grades of helical teeth |
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| Publication Number | Publication Date |
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| CN102734402A CN102734402A (en) | 2012-10-17 |
| CN102734402B true CN102734402B (en) | 2015-11-25 |
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| CN201210214375.9A Active CN102734402B (en) | 2012-06-27 | 2012-06-27 | The two jack shaft pin-type synchronizer gearbox of novel 16 grades of helical teeth |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775570B (en) * | 2012-10-23 | 2016-06-22 | 韦瑞林 | A kind of combiner gearbox |
| CN103388656B (en) * | 2013-08-08 | 2017-02-08 | 中国重汽集团济南动力有限公司 | 10-gear double-intermediate-shaft synchronizer gearbox |
| CN103388658B (en) * | 2013-08-13 | 2016-03-02 | 中国重汽集团济南动力有限公司 | The two middle shaft helical teeth pin-type synchronizer gearbox of 9 gear |
| CN104107835B (en) * | 2014-07-23 | 2016-05-18 | 常熟市梅李机械制造有限公司 | The slew gear of cold pilger mill |
| CN104500705A (en) * | 2014-11-24 | 2015-04-08 | 中国地质大学（武汉） | Sub-gearbox for planetary gear train of transmission |
| CN105673826B (en) * | 2016-03-17 | 2018-05-15 | 重庆望江工业有限公司 | A kind of wind turbine gearbox guides axle sealing structure |
| CN109695706A (en) * | 2017-10-24 | 2019-04-30 | 上海汽车集团股份有限公司 | A kind of gearbox and double acting force transmission mechanism |
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| US20010027692A1 (en) * | 2000-03-30 | 2001-10-11 | Hiroyuki Suzuki | Manual transmission |
| JP2002310244A (en) * | 2001-04-10 | 2002-10-23 | Osaka Chain & Machinery Ltd | Synchronous transmission gear device |
| CN200978917Y (en) * | 2006-12-12 | 2007-11-21 | 陕西法士特齿轮有限责任公司 | 16 gears double middle shaft automobile speed changer |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010027692A1 (en) * | 2000-03-30 | 2001-10-11 | Hiroyuki Suzuki | Manual transmission |
| JP2002310244A (en) * | 2001-04-10 | 2002-10-23 | Osaka Chain & Machinery Ltd | Synchronous transmission gear device |
| CN200978917Y (en) * | 2006-12-12 | 2007-11-21 | 陕西法士特齿轮有限责任公司 | 16 gears double middle shaft automobile speed changer |
| CN202144844U (en) * | 2011-07-05 | 2012-02-15 | 东风汽车有限公司 | Novel lock pin type synchronizer |
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