CN203384308U - Novel 10 gear double-intermediate-shaft locking ring type synchronizer gear box - Google Patents
Novel 10 gear double-intermediate-shaft locking ring type synchronizer gear box Download PDFInfo
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- CN203384308U CN203384308U CN201320482687.8U CN201320482687U CN203384308U CN 203384308 U CN203384308 U CN 203384308U CN 201320482687 U CN201320482687 U CN 201320482687U CN 203384308 U CN203384308 U CN 203384308U
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- shaft
- ring type
- lock ring
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Abstract
The utility model discloses a novel 10 gear double-intermediate-shaft locking ring type synchronizer gear box which comprises a new three-section shell. Double intermediate shafts comprise an input shaft arranged in a main box and a main shaft connected with the input shaft, the main shaft is connected with a sun wheel in an auxiliary box through a spline transition sleeve, the front end and the rear end of the spindle are provided with a main shaft front positioning mechanism and a main shaft rear positioning mechanism respectively, a shifting helical gear set is arranged on the main shaft, the shifting helical gear set comprises five foreword gear helical gears and a reverse gear helical gear, a single-pyramid locking ring type synchronizer is arranged between the fourth gear and the fifth gear on the main shaft, and bipyramid locking ring type synchronizers are arranged between the second gear and the third gear and on the reverse first gear, two gear positions are arranged on the auxiliary box portion, the structure of 5*2 ten forward gears and two reverse gears is formed between the auxiliary box portion and the main box portion, and a planetary gear train mechanism and a widening bipyramid locking ring type synchronizer are arranged on the auxiliary box portion. The novel 10 gear double-intermediate-shaft locking ring type synchronizer gear box saves labor during operation, is stable in gear shifting and transmission, and low in noise, and the service life of the gear box can be prolonged.
Description
Technical field
The utility model relates to a kind of gearbox, especially relates to the two jack shaft lock ring type non-clashing gear sets of a kind of novel 10 gear helical teeth.
Background technique
At present, in common two intermediate shaft heavy type truck gearbox designs, need be to two countershaft-gears to tooth to guarantee the conformity of two countershaft assemblys.For guaranteeing that, to the tooth precision, the main tank gear generally adopts straight-tooth gear, there are assembly low bearing capacity, shortcoming that noise is larger; Main tank generally adopts engaging sleeve to be shifted gears, during from a gear ratio conversion to another ratio transmissions, the a pair of gear that will be meshed during due to gearshift or the line of contact speed of engaging sleeve are unequal, so have impact, noise when engagement, when serious, even can cause the gear teeth to damage, cause the main tank premature wear; Corresponding to said structure, the driver need pay larger gear shifting force with rapid and correct gearshift so the driver's fatiguability of completing at short notice in when operation; Odd-side generally adopts the gearshift of the single conical surface lock ring type of short stroke synchronizer, and synchronous capacity is little, easily causes earlier period damage.
In view of above-mentioned problems of the prior art, need on gearbox designs, take measures, make it to guarantee high gear capacity, can guarantee again gearbox put into gear smooth-going, simple to operateization, effectively to alleviate driver's labor intensity.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming existed in prior art, provide a kind of gear shift operation laborsaving, steadily, noise is low, there are the two jack shaft lock ring type non-clashing gear sets of novel 10 gear than the long life, this gearbox has changed the type of main shaft upper transfer gear, the technological scheme adopted is: the two jack shaft lock ring type non-clashing gear sets of a kind of novel 10 gear, comprise main tank, odd-side and housing, described housing is by fore shell, the new 3 stops housing that mesochite and back cover form, described pair of jack shaft comprises the input shaft that is arranged in main tank and the main shaft be connected with input shaft, it is characterized in that: described main shaft is connected with the sun gear in odd-side by the 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, the gearshift bevel gear set also is housed on main shaft, and described gearshift bevel gear set comprises five forward helical gear and the helical gear that reverses gear, be provided with single cone lock ring type synchronizer between on main shaft four, five gears, between two, three gears, the gear that falls is respectively equipped with Double-conical-surface lock ring type synchronizer, described odd-side has two gears, and forms 10 forward gears of 5 * 2 between main tank and add two structures of reversing gear, and is provided with planetary wheel mechanism and widens bipyramid lock ring type synchronizer in the odd-side part.
Technical characteristics of the present utility model also has: the forward gear helical gear of installing on described main shaft is the dextrorotation helical gear, and the helical gear that reverses gear is left-hand helical gear.
Technical characteristics of the present utility model also has: described main shaft prelocalization mechanism comprises the front-end of spindle hole, and described input the tip of the axis extend in described front-end of spindle hole; Input shaft and main shaft binding site are equipped with the forward thrust gear mechanism; The front end of described input shaft is installed on fore shell by bearing of input shaft and input shaft end covers, and described fore shell is fixedly connected with the input shaft end cap.
Technical characteristics of the present utility model also has: described forward thrust gear mechanism comprises thrust-bearing and the bearing race that is arranged on the input shaft rear end, the rear portion of thrust-bearing contacts with the bearing race on being enclosed within input shaft, be provided with lining between bearing race and input shaft, and lining radially and gapped between input shaft.
Technical characteristics of the present utility model also has: the surface of contact between described main shaft and bearing race is the main shaft orientation face.
Technical characteristics of the present utility model also has: a described gear Double-conical-surface lock ring type synchronizer comprises the tooth cover be connected with toothholder and is placed in the pushing block on toothholder, intermediate cone has inner cone and the outer cone be mated, and a gear side meshes in conjunction with the first gear on gear ring and main shaft; All be bonded with friction material layer on the fitting surface of the fitting surface of described outer cone and intermediate cone, inner cone and intermediate cone; The side of reversing gear combination is meshed with the reverse gear on main shaft; The sidepiece of described toothholder is provided with to play and stops the jump ring of pushing block to the side shifting of reversing gear.
Technical characteristics of the present utility model also has: after described main shaft positioning means comprise be located at rear-end of spindle and with the rear support positioning shaft of main shaft interference fit, the rear end of described rear support positioning shaft is provided with the back pressure gear mechanism.
Technical characteristics of the present utility model also has: described back pressure gear mechanism comprises the thrust-bearing be enclosed within on the rear support positioning shaft, and described thrust-bearing front end has packing ring before thrust-bearing, and there is packing ring after thrust-bearing described thrust-bearing rear end.
Technical characteristics of the present utility model also has: described planetary wheel mechanism comprise the sun gear that is located at rear-end of spindle, with described sun gear engagement be located at planet carrier upper planet wheel, pad after there is sun gear the rear end of described sun gear.
The beneficial effects of the utility model are: the utility model adopts new 3 stops housing and major-minor case Combination Design, the two intermediate shaft structures of the little centre distance of main tank, gear adopts helical teeth, improves gear capacity and engagement stationarity, reduce gearing noise, improve the main tank bearing capacity; Main shaft adopts forward and backward two-way location, offsets the axial force that helical teeth produces, and bears the axial force produced while shifting gears; Two, three gears adopt the gearshift of Double-conical-surface lock ring type synchronizer, increase the synchronizer friction torque, and four, five gears adopt single conical surface lock ring type synchronizer gearshift, reduce gear shifting force, the impact and the noise that produce while reducing gearshift; Odd-side planetary gear train structure, adopt and widen the gearshift of Double-conical-surface lock ring type synchronizer, thereby improve odd-side bearing capacity and working life.This gearbox rapid operation, gear shift operation are steadily, stable drive, noise be low, can extend the gearbox physical life.
The accompanying drawing explanation
Accompanying drawing 1 is the utility model structural representation, and accompanying drawing 2 is main shaft prelocalization structural scheme of mechanism, and accompanying drawing 3 is positioning means schematic diagram after main shaft, and accompanying drawing 4 is down a gear Double-conical-surface lock ring synchronizer structure schematic diagram, wherein: 1, input shaft end cap; 2, bearing of input shaft; 3, spacer; 4, jump ring; 5, input shaft; 6, input shaft gear; 7, thrust-bearing; 8, bearing race; 9, lining; 10, main shaft; 11, spline spacer shell; 12, the main shaft sun gear is adjusted pad; 13, sun gear; 14, rear support positioning shaft; 15, main shaft is adjusted pad; 16, packing ring before thrust-bearing; 17, thrust-bearing; 18, pad after sun gear; 19, packing ring after thrust-bearing; 20, planet carrier; 21, toothholder; 22, inner cone; 23, intermediate cone; 24, main shaft first gear; 25, a gear side is in conjunction with gear ring; 26, outer cone; 27, tooth cover; 28, jump ring; 29, pushing block; 30, reverse gear side in conjunction with gear ring; 31, jump ring; 32, main shaft reverse gear; A is main tank; B is odd-side; C is the single cone of four or five gear lock ring type synchronizer; D is two or three gear Double-conical-surface lock ring type synchronizers; E is for falling a gear Double-conical-surface lock ring type synchronizer; F is for widening bipyramid lock ring type synchronizer; G is fore shell; H is mesochite; I is back cover; J is the tegillum operating mechanism.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.In the utility model, the two jack shaft lock ring type non-clashing gear sets of disclosed novel 10 gear helical teeth comprise main tank A and odd-side B, the main shaft 10 that is provided with input shaft 5 in main tank A and is connected with input shaft 5, main shaft 10 is connected with sun gear 13 in odd-side B by spline spacer shell 11, the front end and back end of main shaft 10 is respectively equipped with positioning means after main shaft prelocalization mechanism and main shaft, and main shaft 10 is provided with the gearshift bevel gear set; In main tank A, main shaft 10 is provided with the single cone of four, five gears lock ring type synchronizer C, two, be provided with two or three gear Double-conical-surface lock ring type synchronizers between three gears, fall between a gear to be provided with down a gear Double-conical-surface lock ring type synchronizer, odd-side B is provided with planetary wheel mechanism and widens bipyramid lock ring type synchronizer F.
When main tank is shifted gears to low gear, main shaft 10 bears axial shifting power to the right, be delivered to planet carrier 20 by packing ring 19 after packing ring 16, thrust-bearing 17, thrust-bearing before main shaft rear support positioning shaft 14, main shaft adjustment pad 15, thrust-bearing, by planet carrier 20 balancing axial thrusts.
New 3 stops housing is connected and composed by fore shell G, mesochite H, back cover I.Be distributed with basic trnasmission in fore shell G and mesochite H, in back cover I, be distributed with auxiliary transmission.Fore shell G is with one section main tank housing, is provided with tegillum operating mechanism J on it.New 3 stops housing advantage is to improve rigidity and the processibility of housing.
Main tank A is provided with 5 forward gears and one and reverses gear, gear adopts the helical teeth design, on main shaft 10, the forward gear gear is dextrorotation, the axial force that each corresponding shaft is subject to is contrary with conventional design, main shaft 10 axially locating move to front, main shaft 10 position that combines with input shaft 5, be equipped with thrust bearing, offsets the axial force of input shaft 5 and main shaft 10.
Odd-side B has two gears, forms 5 * 2 structures together with main tank A, forms 10 forward gears and adds two and reverse gear.Odd-side B adopts planetary gear train, uses and widens Double-conical-surface lock ring type synchronizer F gearshift, and purpose is to improve odd-side bearing capacity and working life.
Four, the single cone of five gears lock ring type synchronizer C, compact structure, reduce gear shifting force and gearshift is impacted.
The gear Double-conical-surface lock ring type synchronizer E that falls is comprised of in conjunction with gear ring 30 in conjunction with gear ring 25, outer cone 26, tooth cover 27, jump ring 28, pushing block 29, the side of reversing gear toothholder 21, inner cone 22, intermediate cone 23, a gear side.On outer cone 26, inner cone 22 with the fitting surface bonding friction material of intermediate cone 23.Uniform some claws on intermediate cone 23, the circular hole on a gear side is combined gear ring 25 coordinates.One gear side meshes by spline and main shaft first gear 24 in conjunction with gear ring 25.Toothholder 21 is installed on main shaft 10 by spline, and toothholder 21 is by jump ring 31 axially locating.While changing a gear, tooth cover 27 is moved to the left, claw on intermediate cone 23 inserts a gear side in conjunction with in the circular hole on gear ring 25, by two pairs of cone of friction transferring power, make engaged tooth cover consistent with the gear linear velocity, be added in thrust on tooth cover 27 and make it be combined gear ring 25 synchromeshs with a gear side, main shaft 10 is combined in conjunction with gear ring 25 and main shaft first gear 24 by toothholder 21, tooth cover 27, one gear side, completing gearshift and moving.The side of reversing gear meshes by spline and main shaft reverse gear 32 in conjunction with gear ring 30, the side of reversing gear is located by toothholder 21 end face axial in conjunction with gear ring 30, the side of reversing gear has oil groove in conjunction with gear ring 30 and the laminating end face of toothholder 21, lubricate, tooth cover 27 side of reversing gear has identical large cone angle in conjunction with gear ring 30 in conjunction with increment with the side of reversing gear, there is self-alignment and synchronous effect, change while reversing gear, tooth cover 27 moves right, the gear ring 30 of being combined with the side of reversing gear meshes, complete gearshift, during gearshift, jump ring 28 stops that pushing block 29 moves right when gearshift.
Two, to keep off side structure identical with falling one of a gear double-sided lock ring type synchronizer E for three gear Double-conical-surface lock ring type synchronizer D.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model also is not limited only to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belong to protection domain of the present utility model.
Claims (9)
1. one kind novel 10 is kept off two jack shaft lock ring type non-clashing gear sets, comprise main tank, odd-side and housing, the new 3 stops housing of described housing for being formed by fore shell, mesochite and back cover, described pair of jack shaft comprises the input shaft that is arranged in main tank and the main shaft be connected with input shaft, it is characterized in that: described main shaft is connected with the sun gear in odd-side by the spline spacer shell, and the front end and back end of main shaft is respectively equipped with positioning means after main shaft prelocalization mechanism and main shaft; The gearshift bevel gear set also is housed on main shaft, and described gearshift bevel gear set comprises five forward helical gear and the helical gear that reverses gear; Be provided with single cone lock ring type synchronizer between on main shaft four, five gears, between two, three gears, the gear that falls is respectively equipped with Double-conical-surface lock ring type synchronizer; Described odd-side partly has two gears, and forms 10 forward gears of 5 * 2 between main tank and add two structures of reversing gear, and is provided with planetary wheel mechanism and widens bipyramid lock ring type synchronizer in odd-side.
2. according to the two jack shaft lock ring type non-clashing gear sets of novel 10 gear claimed in claim 1, it is characterized in that: the forward gear helical gear of installing on described main shaft is the dextrorotation helical gear, and the helical gear that reverses gear is left-hand helical gear.
3. according to the two jack shaft lock ring type non-clashing gear sets of novel 10 gear claimed in claim 1, it is characterized in that: described main shaft prelocalization mechanism comprises the front-end of spindle hole, and described input the tip of the axis extend in described front-end of spindle hole; Input shaft and main shaft binding site are equipped with the forward thrust gear mechanism; The front end of described input shaft is installed on fore shell by bearing of input shaft and input shaft end covers, and described fore shell is fixedly connected with the input shaft end cap.
4. according to the two jack shaft lock ring type non-clashing gear sets of novel 10 gear claimed in claim 3, it is characterized in that: described forward thrust gear mechanism comprises thrust-bearing and the bearing race that is arranged on the input shaft rear end, the rear portion of thrust-bearing contacts with the bearing race on being enclosed within input shaft, be provided with lining between bearing race and input shaft, and lining radially and gapped between input shaft.
5. according to the two jack shaft lock ring type non-clashing gear sets of novel 10 gear claimed in claim 4, it is characterized in that: the surface of contact between described main shaft and bearing race is the main shaft orientation face.
6. according to the two jack shaft lock ring type non-clashing gear sets of novel 10 gear claimed in claim 1, it is characterized in that: a described gear Double-conical-surface lock ring type synchronizer comprises the tooth cover be connected with toothholder and is placed in the pushing block on toothholder, intermediate cone has inner cone and the outer cone be mated, and a gear side meshes in conjunction with the first gear on gear ring and main shaft; All be bonded with friction material layer on the fitting surface of the fitting surface of described outer cone and intermediate cone, inner cone and intermediate cone; The side of reversing gear combination is meshed with the reverse gear on main shaft; The sidepiece of described toothholder is provided with to play and stops the jump ring of pushing block to the side shifting of reversing gear.
7. according to the two jack shaft lock ring type non-clashing gear sets of novel 10 gear claimed in claim 1, it is characterized in that: after described main shaft positioning means comprise be located at rear-end of spindle and with the rear support positioning shaft of main shaft interference fit, the rear end of described rear support positioning shaft is provided with the back pressure gear mechanism.
8. according to the two jack shaft lock ring type non-clashing gear sets of novel 10 gear claimed in claim 7, it is characterized in that: described back pressure gear mechanism comprises the thrust-bearing be enclosed within on the rear support positioning shaft, described thrust-bearing front end has packing ring before thrust-bearing, and there is packing ring after thrust-bearing described thrust-bearing rear end.
9. according to the two jack shaft lock ring type non-clashing gear sets of novel 10 gear claimed in claim 1, it is characterized in that: described planetary wheel mechanism comprise the sun gear that is located at rear-end of spindle, with described sun gear engagement be located at planet carrier upper planet wheel, pad after there is sun gear the rear end of described sun gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482687.8U CN203384308U (en) | 2013-08-08 | 2013-08-08 | Novel 10 gear double-intermediate-shaft locking ring type synchronizer gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482687.8U CN203384308U (en) | 2013-08-08 | 2013-08-08 | Novel 10 gear double-intermediate-shaft locking ring type synchronizer gear box |
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| Publication Number | Publication Date |
|---|---|
| CN203384308U true CN203384308U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320482687.8U Expired - Lifetime CN203384308U (en) | 2013-08-08 | 2013-08-08 | Novel 10 gear double-intermediate-shaft locking ring type synchronizer gear box |
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| Country | Link |
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| CN (1) | CN203384308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363041A (en) * | 2013-08-08 | 2013-10-23 | 中国重汽集团济南动力有限公司 | Novel lock ring synchronizer gearbox with ten-gear dual-intermediate shaft |
-
2013
- 2013-08-08 CN CN201320482687.8U patent/CN203384308U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363041A (en) * | 2013-08-08 | 2013-10-23 | 中国重汽集团济南动力有限公司 | Novel lock ring synchronizer gearbox with ten-gear dual-intermediate shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |