CN200978917Y - 16 gears double middle shaft automobile speed changer - Google Patents

16 gears double middle shaft automobile speed changer Download PDF

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Publication number
CN200978917Y
CN200978917Y CN 200620136335 CN200620136335U CN200978917Y CN 200978917 Y CN200978917 Y CN 200978917Y CN 200620136335 CN200620136335 CN 200620136335 CN 200620136335 U CN200620136335 U CN 200620136335U CN 200978917 Y CN200978917 Y CN 200978917Y
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CN
China
Prior art keywords
gear
odd
shaft
jack shaft
jack
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Expired - Lifetime
Application number
CN 200620136335
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Chinese (zh)
Inventor
孙智金
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Shaanxi Fast Gear Co Ltd
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Shaanxi Fast Gear Co Ltd
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Application filed by Shaanxi Fast Gear Co Ltd filed Critical Shaanxi Fast Gear Co Ltd
Priority to CN 200620136335 priority Critical patent/CN200978917Y/en
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Publication of CN200978917Y publication Critical patent/CN200978917Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a 16 crosspiece double middle shafts vehicle gear box, comprising a main box and a side box, wherein the main box adopts a double middle shafts structure, comprising a side gear system and a main gear system, the side gear system has two crosspiece positions, the main gear system has four crosspiece positions, the side box has two crosspiece positions, which forms a 2*4*2 namely 16 crosspiece positions structure, the side gear system of the main box comprises a first shaft, a first speed separating gear, a second speed separating gear and a shaft synchronizer, the main gear system comprises a second shaft of the same central with the first shaft, the second shaft is respectively equipped with a third crosspiece gear, a second crosspiece gear, a first crosspiece gear, a third and fourth crosspiece synchronizer, a first and second crosspiece synchronizer, a sliding sleeve, a back crosspiece gear and a side box driving gear, two middle shafts are equipped on both ends of the first shaft and the second shaft, the middle shaft is equipped with a middle shaft separating gear, a middle shaft driving gear, a middle shaft three-crosspiece gear, a middle shaft two-crosspiece gear, a middle shaft one-crosspiece gear, a middle shaft back-crosspiece gear and a shift manipulation mechanism, which can realize multiple crosspieces needed by vehicles.

Description

A kind of 16 grades of two jack shaft automotive transmissions
Technical field
The utility model belongs to automobile mechanical transmission technical field, definite a kind of 16 grades of two jack shaft automotive transmissions of saying so.
Background technique
The Economy that how to improve the automobile transportation has progressively obtained the extensive concern of society, also is simultaneously an important topic in the design of Hyundai Motor transmission system.Transmission efficiency has been difficult to improve in the development of mechanical transmission, at present both at home and abroad all to improve the gear change scope, thereby expanding variable speed makes motor car engine keep certain speed range than scope, adapts to different road surfaces, thereby guarantees the fuel economy of motor.The twin countershaft transmission of two jack shafts more than seven grades of producing is the two housing structures of major-minor case at present, wherein main tank is gear speed changer more than (being generally 4,5 or 6 grades), odd-side is a two speed transmission, thereby expanded the gear change scope of speed changer, but its spreading range is little, more if desired gear change, and axial dimension will increase, the speed changer volume increases, and has influenced the expansion of twin countershaft transmission in the heavy-duty car field and has used.
Summary of the invention
The purpose of this utility model is defective or the deficiency that has major-minor box structure twin countershaft transmission now in order to overcome, and a kind of 16 grades of two jack shaft automotive transmissions that provide.This speed changer is made up of main tank, odd-side, and main tank is divided into secondary speed variator system and main transformer speed system, do not have partition wall between secondary speed variator system in its main tank and the main transformer speed system, cooperate the many gears that to realize that vehicle needs by gear between the secondary speed variator system in the main tank and main transformer speed system and the odd-side.
In order to realize above-mentioned task, the utility model is taked following technical solution:
A kind of 16 grades of two jack shaft automotive transmissions mainly are made up of main tank and odd-side, it is characterized in that described main tank adopts two jack shaft structures, is made of secondary speed variator system and main transformer speed system, and secondary speed variator system has two gears, and the main transformer speed system has 4 gears; Odd-side has two gears, forms 2 * 4 * 2 gear structures, i.e. 16 gears;
The secondary speed variator system of main tank comprises: one, first differential gear and second differential gear and a synchronizer are arranged on one, and one is installed on the case of transmission by ball bearing;
The main transformer speed system comprises: two, two concentric with one, an end sky of two is enclosed within one the seam, the spline of its other end combines with odd-side actuation gear internal tooth, the odd-side actuation gear is installed on the case of transmission by clutch shaft bearing, three-range transmission, intermediate gear, one grade of gear, three fourth gear synchronizers, a second gear synchronizer, sliding sleeve, reverse gear are housed, the odd-side actuation gear on two respectively;
There are two jack shafts one and two both sides, two jack shafts and one and two coplanes, and equidistant; Two jack shafts by second bearing and the 3rd Bearing Installation on case of transmission, jack shaft differential gear, jack shaft driving gear, third-speed gear of intermediate shaft, jack shaft second gear axle tooth, one grade of axle tooth of jack shaft and jack shaft reverse gear shaft tooth are arranged on the jack shaft, they respectively with one on first differential gear, second differential gear, two three-range transmission, intermediate gear, one grade of gear, often mesh to a shelves gear; Jack shaft differential gear on the jack shaft, driving gear combine with jack shaft by jack shaft four directions key, and the three-range transmission on the jack shaft combines with jack shaft by the woodruff key on the jack shaft; The selector device that the cylinder by two H Effector assemblies, shift fork and shift fork constitutes is equipped with in case of transmission top;
Odd-side also adopts two jack shaft structures, include the odd-side main shaft, on odd-side main shaft and the main tank two are concentric, the odd-side main shaft passes through biserial circular cone rod Bearing Installation on case of transmission, odd-side reduction gear and odd-side synchronizer are installed on the odd-side main shaft, the output terminal of odd-side main shaft is equipped with flange plate, and flange plate is exported moment of torsion;
Odd-side main shaft both sides also are provided with two odd-side jack shafts, two odd-side jack shaft coplanes and equidistant, the odd-side jack shaft by the first odd-side bearing and the second odd-side Bearing Installation on case of transmission, a tooth is arranged on the odd-side jack shaft, odd-side actuation gear and odd-side driving gear often mesh, and axle tooth and main shaft reduction gear on the odd-side jack shaft often mesh; The odd-side selector device that is made of shift fork and declutch shift shaft and cylinder is installed on the auxiliary box's rear cover;
16 grades of two jack shaft automotive transmissions of the present utility model have the following advantages:
1, forms by main transformer speed system and secondary speed variator system because of main tank, make the gear quantity of speed changer increase, improve the gear change scope, thereby expanding variable speed makes motor car engine keep certain speed range than scope, adapt to different road surfaces, thereby guarantee the fuel economy of motor.
2, because there is not the partition wall of sealing between main transformer speed system and the secondary speed variator system, 16 gear gearbox axial dimensions of feasible this structure of employing do not increase with respect to the 12JS200T speed changer of major-minor box structure.
3, because two in the main tank are in the radial floating state, and all there is jack shaft both sides, under the engagement of countershaft-gear, make two force in radial cancel out each other, thus two be not subjected to radial force, only bear torque, make two can do thinner.
Description of drawings
Fig. 1 is overall structure sectional view of the present utility model (not showing the another one countershaft assembly of main tank and the another one countershaft assembly of odd-side among the figure).
Label among the figure is respectively: 1, one, 2, ball bearing, 3, first differential gear, 4, a synchronizer, 5, case of transmission, 6, first shift fork, 7, first cylinder, 8, second differential gear, 9, three fourth gear synchronizers, 10, two, 11, three-range transmission, 12, two H Effector assemblies, 13, intermediate gear, 14, one second gear synchronizer, 15, sliding sleeve, 16, clutch shaft bearing, 17, second shift fork, 18, declutch shift shaft, 19, biserial circular cone rod bearing, 20, second cylinder, 21, flange plate, 22, jack shaft reverse gear shaft tooth, 23, one grade of axle tooth of jack shaft, 24, the first odd-side bearing, 25, the odd-side jack shaft, 26, the odd-side driving gear, 27, the second odd-side bearing, 28, the odd-side main shaft, 29, the odd-side reduction gear, 30, the odd-side synchronizer, 31, the odd-side actuation gear, 32, second bearing, 33, reverse gear, 34, one grade of gear, 35, jack shaft, 36, three-range transmission, 37, the jack shaft woodruff key, 38, the jack shaft driving gear, 39, the jack shaft differential gear, 40, the 3rd bearing, 41, jack shaft four directions key, 42, jack shaft second gear axle tooth.
Fig. 2 is the utility model odd-side partial structurtes sectional view (not showing the another one countershaft assembly of main tank and the another one countershaft assembly of odd-side among the figure).
Embodiment
As shown in Figure 1,16 grades of two jack shaft automotive transmissions of the present utility model mainly are made up of main tank and odd-side, and its main tank adopts two jack shaft structures, is made of secondary speed variator system and main transformer speed system.The secondary speed variator system of main tank comprises has 4, one 1 of first differential gear 3 and 8, synchronizers of second differential gear to be installed on the case of transmission 5 by ball bearing 2 on one 1, one 1; The main transformer speed system comprises two 10, two 10 concentric with one 1, two 10 1 end skies are enclosed within one 1 the seam, the spline of an other end combines with odd-side actuation gear 31 internal tooths, odd-side actuation gear 31 is installed on the case of transmission 5 by clutch shaft bearing 16, three-range transmission 11, intermediate gear 13, one grade of gear 34, three fourth gear synchronizers 9, a second gear synchronizer 14, sliding sleeve 15, reverse gear 33 are housed, odd-side actuation gear 31 for two 10 respectively; There are two jack shafts 35 1 and two 10 both sides, they and 1 and two 10 coplane, and it is equidistant, jack shaft 35 is installed on the case of transmission 5 by second bearing 32 and the 3rd bearing 40, jack shaft differential gear 39 is arranged on the jack shaft 35, jack shaft driving gear 38, third-speed gear of intermediate shaft 36, jack shaft second gear axle tooth 42, one grade of axle tooth 23 of jack shaft, jack shaft reverse gear shaft tooth 22 respectively with one on first differential gear 3, second differential gear 8, two three-range transmission 11, intermediate gear 13, one grade of gear 34 and often mesh jack shaft second gear axle tooth 42 to a shelves gear 33, one grade of axle tooth 23 of jack shaft 35, reverse gear shaft tooth 22 and jack shaft 35 are one machine shaping; Jack shaft differential gear 39 on the jack shaft 35, jack shaft driving gear 38 combine with jack shaft 35 by jack shaft four directions key 41, three-range transmission 36 on the jack shaft 35 combines with jack shaft 35 by jack shaft woodruff key 37, and jack shaft second gear axle tooth 42, one grade of tooth 23 of jack shaft, jack shaft reverse gear tooth 22 all are axle teeth of processing on jack shaft 35; The selector device that the cylinder 7 by two H Effector assemblies 12, shift fork 6 and shift fork constitutes is equipped with in the top of case of transmission 5.
The odd-side of this speed changer also adopts two jack shaft structures, include odd-side main shaft 28, odd-side main shaft 28 is concentric with two 10 of main tanks, the odd-side main shaft is installed on the case of transmission by biserial circular cone rod bearing 19, odd-side reduction gear 29 and odd-side synchronizer 30 are installed on the odd-side main shaft, the output terminal of main shaft is equipped with flange plate 21, and flange plate is with moment of torsion output (as shown in Figure 2); Also there are two odd-side jack shafts 25 odd-side main shaft 28 both sides, their coplanes, and it is equidistant, odd-side jack shaft 25 is installed on the case of transmission 5 by the clutch shaft bearing 24 and second bearing 27 of odd-side, a tooth is arranged on the odd-side jack shaft 25, odd-side actuation gear 31 often meshes with odd-side driving gear 26, and axle tooth and main shaft reduction gear 29 on the odd-side jack shaft 25 often mesh; The odd-side selector device that is made of shift fork 17 and declutch shift shaft 18 and cylinder 20 is installed on the auxiliary box's rear cover.
This automotive transmission working procedure is (referring to Fig. 1, and be example with first grade, the principle of other gear and first grade are basic identical): when the driver puts in the first speed, cylinder 7 shift forks 6, a synchronizer 4 is moved to the left, make a differential gear 3 and one 1 combination, jack shaft differential gear 39 engagements on differential gear 3 and the main tank jack shaft 35.Simultaneously two H Effector 12 assemblies controls one, second gear dial that plug is moving one, the sliding sleeve of second gear synchronizer 14 moves to right, and makes one grade of gear 34 combine with two 10, and one grade of tooth of one grade of differential gear 8 and jack shaft often meshes.This moment, power was delivered to a differential gear 3 through one 10, was delivered to jack shaft 35 through jack shaft differential gear 39, and one grade of tooth on jack shaft 35 is delivered to one grade of gear again, imports odd-side into through two 10 again.Odd-side driving gear 26 on the odd-side actuation gear 31 on two 10 and the first odd-side jack shaft often meshes, power is delivered to odd-side jack shaft 25 from two 10 driving gears on odd-side actuation gear 31 and odd-side jack shaft 25, and axle tooth on the odd-side jack shaft 25 and 29 engagements of the odd-side reduction gear on the odd-side main shaft 28, because odd-side synchronizer 30 moves to right in the engage a gear process, make odd-side reduction gear 29 and 28 combinations of odd-side main shaft, this moment, power was delivered to odd-side reduction gear 29 by odd-side jack shaft 25, continue to be delivered to odd-side output main shaft, output power by flange plate 21, extension is worked as process and is finished.When driving, after the driver plucks shelves, speed changer main tank one, second gear synchronizer 14 are in position shown in Figure 1, this moment, power can not be delivered to two 10 through one grade of gear 34, and other shifting gear on two 10 also not with two 10 combinations, all be in idling conditions, so odd-side does not have power to import into, this moment, speed changer was in neutral position.

Claims (4)

1. one kind 16 grades two jack shaft automotive transmissions mainly are made up of main tank and odd-side, it is characterized in that, described main tank adopts two jack shaft structures, is made of secondary speed variator system and main transformer speed system, and secondary speed variator system has two gears, and the main transformer speed system has 4 gears; Odd-side has two gears; Form 2 * 4 * 2 gear structures, i.e. 16 gears;
The secondary speed variator system of main tank comprises one (1), first differential gear (3) and second differential gear (8) and a synchronizer (4) is arranged on one, and one (1) is installed on the case of transmission (5) by ball bearing (2);
The main transformer speed system comprises two (10), two (10) are concentric with one (1), the one end sky of two (10) is enclosed within the seam of (1), the spline of its other end combines with odd-side actuation gear (31) internal tooth, odd-side actuation gear (31) is installed on the case of transmission (5) by clutch shaft bearing (16), go up (10) for two three-range transmission (11), intermediate gear (13), one grade of gear (34), three fourth gear synchronizers (9), a second gear synchronizer (14), sliding sleeve (15), reverse gear (33), odd-side actuation gear (31) are housed respectively;
There are two jack shafts (35) one (1) and two (10) both sides, two jack shafts (35) and one (1) and two (10) coplanes, and equidistant; Two jack shafts (35) are installed on the case of transmission (5) by second bearing (32) and the 3rd bearing (40), jack shaft differential gear (39), jack shaft driving gear (38), third-speed gear of intermediate shaft (36), jack shaft second gear axle tooth (42), one grade of axle tooth of jack shaft (23) and jack shaft reverse gear shaft tooth (22) are arranged on the jack shaft (35), they respectively with one (10) on first differential gear (3), second differential gear (8), two three-range transmission (11), intermediate gear (13), one grade of gear (34), to the normal engagement of shelves gears (33); Jack shaft differential gear (39) on the jack shaft (35), driving gear (38) combine with jack shaft (35) by jack shaft four directions key (41), and the three-range transmission (36) on the jack shaft (35) combines with jack shaft (35) by the woodruff key (37) on the jack shaft (35); The selector device by cylinder (7) formation of two H Effector assemblies (12), shift fork (6) and shift fork is equipped with in case of transmission (5) top;
Odd-side also adopts two jack shaft structures, include odd-side main shaft (28), two (10) on odd-side main shaft (28) and the main tank are concentric, odd-side main shaft (28) is installed on the case of transmission (5) by biserial circular cone rod bearing (19), odd-side reduction gear (29) and odd-side synchronizer (30) are installed on the odd-side main shaft (28), the output terminal of odd-side main shaft (28) is equipped with flange plate (21), and flange plate (21) is exported moment of torsion;
Odd-side main shaft (28) both sides also are provided with two odd-side jack shafts (25), two odd-side jack shaft (25) coplanes and equidistant, odd-side jack shaft (25) is installed on the case of transmission (5) by the first odd-side bearing (24) and the second odd-side bearing (27), the odd-side jack shaft has a tooth on (25), odd-side actuation gear (31) and the normal engagement of odd-side driving gear (26), the normal engagement of axle tooth on the odd-side jack shaft (25) and main shaft reduction gear (29); The odd-side selector device that is made of shift fork (17) and declutch shift shaft (18) and cylinder (20) is installed on the auxiliary box's rear cover;
2. 16 grades of two jack shaft automotive transmissions as claimed in claim 1, it is characterized in that the second gear axle tooth (42) on the described jack shaft axle (35), one grade of axle tooth of jack shaft (23), jack shaft reverse gear shaft tooth (22) and jack shaft (35) are one machine shaping.
3. 16 grades of two jack shaft automotive transmissions as claimed in claim 1, it is characterized in that, a described synchronizer (4), odd-side synchronizer (30), three fourth gear synchronizers (9), a second gear synchronizer (14) are lock ring type or pin-type synchronizer, or single conical surface lock ring type synchronizer, or many conical surfaces lock ring type synchronizer.
4. 16 grades of two jack shaft automotive transmissions as claimed in claim 1 is characterized in that described sliding sleeve (15) is single conical surface lock ring type synchronizer, or many conical surfaces lock ring type synchronizer.
CN 200620136335 2006-12-12 2006-12-12 16 gears double middle shaft automobile speed changer Expired - Lifetime CN200978917Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620136335 CN200978917Y (en) 2006-12-12 2006-12-12 16 gears double middle shaft automobile speed changer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620136335 CN200978917Y (en) 2006-12-12 2006-12-12 16 gears double middle shaft automobile speed changer

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CN200978917Y true CN200978917Y (en) 2007-11-21

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102330803A (en) * 2011-10-15 2012-01-25 中国重汽集团济南动力有限公司 16-shift double-countershaft speed changing box
CN102734421A (en) * 2012-06-27 2012-10-17 中国重汽集团济南动力有限公司 Novel 16-gear speed changing box with oblique gears, double middle shafts and lock ring type synchronizers
CN102734402A (en) * 2012-06-27 2012-10-17 中国重汽集团济南动力有限公司 Novel 16-gear speed changing box with oblique gears, double middle shafts and lock ring type synchronizers
CN102734459A (en) * 2011-04-07 2012-10-17 长江大学 Sliding table cylinder type multi-position fork shifting device
CN102829147A (en) * 2012-07-20 2012-12-19 陕西法士特齿轮有限责任公司 Speed changer
CN102878254A (en) * 2012-09-27 2013-01-16 陕西法士特齿轮有限责任公司 16-speed automobile transmission
CN103388656A (en) * 2013-08-08 2013-11-13 中国重汽集团济南动力有限公司 Novel 10-gear double-intermediate-shaft synchronizer gearbox

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102734459A (en) * 2011-04-07 2012-10-17 长江大学 Sliding table cylinder type multi-position fork shifting device
CN102330803A (en) * 2011-10-15 2012-01-25 中国重汽集团济南动力有限公司 16-shift double-countershaft speed changing box
CN102734421A (en) * 2012-06-27 2012-10-17 中国重汽集团济南动力有限公司 Novel 16-gear speed changing box with oblique gears, double middle shafts and lock ring type synchronizers
CN102734402A (en) * 2012-06-27 2012-10-17 中国重汽集团济南动力有限公司 Novel 16-gear speed changing box with oblique gears, double middle shafts and lock ring type synchronizers
CN102734421B (en) * 2012-06-27 2015-05-27 中国重汽集团济南动力有限公司 Novel 16-gear speed changing box with oblique gears, double middle shafts and lock ring type synchronizers
CN102734402B (en) * 2012-06-27 2015-11-25 中国重汽集团济南动力有限公司 The two jack shaft pin-type synchronizer gearbox of novel 16 grades of helical teeth
CN102829147A (en) * 2012-07-20 2012-12-19 陕西法士特齿轮有限责任公司 Speed changer
CN102878254A (en) * 2012-09-27 2013-01-16 陕西法士特齿轮有限责任公司 16-speed automobile transmission
CN102878254B (en) * 2012-09-27 2016-01-20 陕西法士特齿轮有限责任公司 A kind of 16 grades of automotive transmissions
CN103388656A (en) * 2013-08-08 2013-11-13 中国重汽集团济南动力有限公司 Novel 10-gear double-intermediate-shaft synchronizer 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

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: XI'AN FAST AUTOMOTIVE TRANSMISSION CO., LTD.

Assignor: Shaanxi Fashite Gear Co., Ltd.

Contract record no.: 2012610000127

Denomination of utility model: 16 gears double middle shaft automobile speed changer

Granted publication date: 20071121

License type: Exclusive License

Record date: 20120725

CX01 Expiry of patent term

Granted publication date: 20071121

EXPY Termination of patent right or utility model