CN202851840U - Speed changing box - Google Patents

Speed changing box Download PDF

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Publication number
CN202851840U
CN202851840U CN2012205490592U CN201220549059U CN202851840U CN 202851840 U CN202851840 U CN 202851840U CN 2012205490592 U CN2012205490592 U CN 2012205490592U CN 201220549059 U CN201220549059 U CN 201220549059U CN 202851840 U CN202851840 U CN 202851840U
Authority
CN
China
Prior art keywords
gear
input
epicyclic
wheel
train
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012205490592U
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING SITEL MACHINERY Co Ltd
Original Assignee
CHONGQING SITEL MACHINERY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING SITEL MACHINERY Co Ltd filed Critical CHONGQING SITEL MACHINERY Co Ltd
Priority to CN2012205490592U priority Critical patent/CN202851840U/en
Application granted granted Critical
Publication of CN202851840U publication Critical patent/CN202851840U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a speed changing box. A first input gear (4), a second input gear (5), a first epicyclic gear train and a second epicyclic gear train are sleeved on an input shaft (1), a third input gear (12) is coaxially connected onto the first epicyclic gear train, a third middle gear (18), a third epicyclic gear train, a fourth epicyclic gear train and a fourth middle gear (19) are sleeved on a middle shaft (2), a second middle gear (17) is coaxially connected onto the third epicyclic gear train, a first middle gear (16) is coaxially connected onto the fourth epicyclic gear train, an output gear (29) is sleeved on an output shaft (3), and the output gear (29) is meshed with the fourth middle gear (19). The speed changing box combines a planet row transmission power mode and a straight gear connection transmission power mode, can increase speed ratio through planet rows, reduces energy loss through the straight gear connection transmission power, and further has the advantages of being ingenious in design, compact in structure, low in modification cost and the like.

Description

Gearbox
Technical field
The utility model relates to a kind of gear drive, particularly a kind of gearbox.
Background technique
Gearbox is the gear drive that can fix or change output shaft and input shaft velocity ratio, gearbox on the automobile is by changing velocity ratio, change the torsion of engine crankshaft, starting to walk, accelerating, travelling and overcoming under the different driving conditions such as different kinds of roads obstruction to adapt to, to driving the different needs that require of net tractive force of wheel and the speed of a motor vehicle, be one of topmost parts in the automotive transmission.Automatic gear automobile is not owing to generally there is clutch between motor and gearbox at present, connection between them realizes by fluid torque converter, and the effect one of fluid torque converter is to transmit rotating speed and moment of torsion, the 2nd, make between motor and the automatic transmission case be connected to become nonrigid to make things convenient for the automatic transmission case automaitc shfit.But it is less to adopt fluid torque converter speed ratio when starting to change, and energy loss is larger when high gear is moved.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of starting moment of torsion and energy-conservation gearbox of increasing.
The technical solution of the utility model is as follows: a kind of gearbox, comprise input shaft (1), jack shaft (2) and output shaft (3), be set with the first input gear (4) at described input shaft (1), the second input gear (5), the first epicyclic gear train and the second epicyclic gear train, this first epicyclic gear train comprises the first sun gear (6), the first row star-wheel (8) and the first gear ring (10), this second epicyclic gear train comprises the second sun gear (7), the second planet wheel (9) and the second gear ring (11), described the first sun gear (6) and the second sun gear (7) all are sleeved on the input shaft (1), described the first row star-wheel (8) and coaxial linking to each other of the second gear ring (11), and also be coaxially connected with the 3rd input gear (12) on this first row star-wheel (8), described the first gear ring (10) links to each other with first clutch (13), described the second sun gear (7) all links to each other with the second main clutch (15) with the second planet wheel (9), and this second planet wheel (9) also links to each other with the second side clutch (14); Be set with the 3rd intermediate gear (18) at described jack shaft (2), the 3rd epicyclic gear train, 4th week runner system and the 4th intermediate gear (19), the 3rd intermediate gear (18) is meshed with the 3rd input gear (12), described the 3rd epicyclic gear train comprises the 3rd sun gear (23), the third line star-wheel (20) and the 3rd gear ring (24), this the third line star-wheel (20) is sleeved on the jack shaft (2), be coaxially connected with the second intermediate gear (17) on described the 3rd gear ring (24), this second intermediate gear (17) is meshed with the second input gear (5), described the third line star-wheel (20) links to each other with three-clutch (30) with the 3rd sun gear (23), and the 3rd sun gear (23) also links to each other with the 3rd side clutch (26); Described 4th week runner is to comprise the 4th sun gear (22), fourth line star-wheel (21) and the 4th gear ring (25), this fourth line star-wheel (21) is sleeved on the jack shaft (2), be coaxially connected with the first intermediate gear (16) on described the 4th sun gear (22), this first intermediate gear (16) is meshed with the first input gear (4), described the 4th sun gear (22) links to each other with the 4th main clutch (28) with fourth line star-wheel (21), and the 4th gear ring (25) links to each other with fourth officer clutch (27); Be set with output gear (29) on the described output shaft (3), this output gear (29) is meshed with the 4th intermediate gear (19).
The utility model is when work, adopt the planet row transferring power to be connected the combination of transferring power dual mode with straight-tooth, make gearbox when low gear, lean on the planet row transferring power, can increase speed ratio by planet row, when high gear, connect direct transferring power by straight-tooth, reduced energy loss.When first clutch (13) is braked the first gear ring (10), the first epicyclic gear train becomes planetary gear train by differential gear train, can transferring power, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, after can changing speed ratio via the first epicyclic gear train, the current power that transmits from input shaft (1) passes to the 3rd input gear (12), pass to jack shaft (2) from the 3rd input gear (12) via the 3rd intermediate gear (18) of direct engagement again, pass at last output shaft (3).When fourth officer clutch (27) is braked the 4th gear ring (25), 4th week runner system becomes planetary gear train by differential gear train, can transferring power, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, the current power that transmits from input shaft (1) can pass to the 4th sun gear (22) via first intermediate gear (16) of direct engagement via the first input gear (4), via passing to jack shaft (2) behind the 4th week runner system change speed ratio, pass at last output shaft (3).When the 3rd side clutch (26) is braked the 3rd sun gear (23), the 3rd epicyclic gear train becomes planetary gear train by differential gear train, can transferring power, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, the current power that transmits from input shaft (1) can pass to the third line star-wheel (20) via second intermediate gear (17) of direct engagement via the second input gear (5), via passing to jack shaft (2) behind the 3rd epicyclic gear train change speed ratio, pass at last output shaft (3).When the second main clutch (15) during with the second planet wheel (9) and the second sun gear (7) interlocking braking, the second epicyclic gear train inside does not have relative movement, direct transferring power, can't change speed ratio, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, the current power that transmits from input shaft (1) can be directly passed to via the second epicyclic gear train the 3rd input gear (12) of coaxial connection, the 3rd intermediate gear (18) via direct engagement passes to jack shaft (2) again, passes at last output shaft (3).When the 3rd main clutch (30) during with the third line star-wheel (20) and the 3rd sun gear (23) interlocking braking, the 3rd epicyclic gear train inside does not have relative movement, direct transferring power, can't change speed ratio, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, the current power that transmits from input shaft (1) can pass to the second intermediate gear (17) via the second input gear (5), be directly passed to jack shaft (2) via the 3rd epicyclic gear train again, pass at last output shaft (3).When the 4th main clutch (28) during with fourth line star-wheel (21) and the 4th sun gear (22) interlocking braking, the 4th week runner is that inside does not have relative movement, direct transferring power, can't change speed ratio, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, the current power that transmits from input shaft (1) can pass to the first intermediate gear (16) via the first input gear (4), be directly passed to jack shaft (2) via 4th week runner system again, pass at last output shaft (3).When second clutch (14) is braked the second planet wheel (9), the second epicyclic gear train becomes planetary gear train by differential gear train, can transferring power, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, after can changing speed ratio via the second epicyclic gear train, the current power that transmits from input shaft (1) passes to the 3rd input gear (12), pass to jack shaft (2) from the 3rd input gear (12) via the 3rd intermediate gear (18) of direct engagement again, pass at last output shaft (3).
Beneficial effect: the utility model adopts the planet row transferring power to be connected the combination of transferring power dual mode with straight-tooth, when low gear, lean on the planet row transferring power, can increase speed ratio by planet row, when high gear, connect direct transferring power by straight-tooth, reduced energy loss, also has simultaneously ingenious, the compact structure of design, the characteristics such as reforming cost is low.
Description of drawings
Fig. 1 is transmission principle figure of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, the utility model is by input shaft 1, jack shaft 2, output shaft 3, the first input gear 4, the second input gear 5, the first sun gear 6, the second sun gear 7, the first row star-wheel 8, the second planet wheel 9, the first gear ring 10, the second gear ring 11, the 3rd input gear 12, first clutch 13, the second side clutch 14, the second main clutch 15, the first intermediate gear 16, the second intermediate gear 17, the 3rd intermediate gear 18, the 4th intermediate gear 19, the third line star-wheel 20, fourth line star-wheel 21, the 4th sun gear 22, the 3rd sun gear 23, the 3rd gear ring 24, the 4th gear ring 25, the 3rd side clutch 26, fourth officer clutch 27, the 4th main clutch 28, the parts such as output gear 29 and the 3rd main clutch 30 form.Described the first sun gear 6, the first row star-wheel 8 and the first gear ring 10 have formed the first epicyclic gear train, the second sun gear 7, the second planet wheel 9 and the second gear ring 11 have formed the second epicyclic gear train, the 3rd sun gear 23, the third line star-wheel 20 and the 3rd gear ring 24 have formed the 3rd epicyclic gear train, and the 4th sun gear 22, fourth line star-wheel 21 and the 4th gear ring 25 have formed 4th week runner system.Described the first input gear 4, the second input gear 5, the first sun gear 6 and the second sun gear 7 all are sleeved on the input shaft 1, described the first row star-wheel 8, the second gear ring 11 and 12 coaxial linking to each other of the 3rd input gear, and the first gear ring 10 links to each other with the active part of first clutch 13, the secondary part of first clutch is fixed on the housing, described the second sun gear 7 all links to each other with the second main clutch 15 with the second planet wheel 9, and this second planet wheel 9 also links to each other with the second side clutch 14.Described the 3rd intermediate gear 18, the 4th intermediate gear 19, the third line star-wheel 20 and fourth line star-wheel 21 all are sleeved on the jack shaft 2, the 3rd intermediate gear 18 is meshed with the 3rd input gear 12, be coaxially connected with the second intermediate gear 17 on described the 3rd gear ring 24, this second intermediate gear 17 is meshed with the second input gear 5, described the third line star-wheel 20 all links to each other with three-clutch 30 with the 3rd sun gear 23, and the 3rd sun gear 23 also links to each other with the 3rd side clutch 26.Described the 4th sun gear 22 and 16 coaxial linking to each other of the first intermediate gear, this first intermediate gear 16 is meshed with the first input gear 4, described the 4th sun gear 22 all links to each other with the 4th main clutch 28 with fourth line star-wheel 21, and the 4th gear ring 25 links to each other with fourth officer clutch 27.Be set with output gear 29 on the described output shaft 3, this output gear 29 is meshed with the 4th intermediate gear 19.
1 grade of transmission of power situation: when first clutch 13 is braked the first gear ring 10, the first epicyclic gear train becomes planetary gear train by differential gear train, can transferring power, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, pass to the 3rd input gear 12 after the current power that transmits from input shaft 1 can change speed ratio via the first epicyclic gear train, pass to jack shaft 2 from the 3rd input gear 12 via the 3rd intermediate gear 18 of direct engagement again, pass at last output shaft 3.
2 grades of transmission of power situations: when fourth officer clutch 27 is braked the 4th gear ring 25,4th week runner system becomes planetary gear train by differential gear train, can transferring power, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, the current power that transmits from input shaft 1 can pass to the 4th sun gear 22 via the first intermediate gear 16 of direct engagement via the first input gear 4, passes to jack shaft 2 after changing speed ratio via 4th week runner system, passes at last output shaft 3.
3 grades of transmission of power situations: when the 3rd side clutch 26 is braked the 3rd sun gear 23, the 3rd epicyclic gear train becomes planetary gear train by differential gear train, can transferring power, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, the current power that transmits from input shaft 1 can pass to the third line star-wheel 20 via the second intermediate gear 17 of direct engagement via the second input gear 5, passes to jack shaft 2 after changing speed ratio via the 3rd epicyclic gear train, passes at last output shaft 3.
4 grades of transmission of power situations: when the second main clutch 15 during with the second planet wheel 9 and the second sun gear 7 interlocking braking, the second epicyclic gear train inside does not have relative movement, direct transferring power, can't change speed ratio, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, the current power that transmits from input shaft 1 can be directly passed to via the second epicyclic gear train the 3rd input gear 12 of coaxial connection, the 3rd intermediate gear 18 via direct engagement passes to jack shaft 2 again, passes at last output shaft 3.
5 grades of transmission of power situations: when the 3rd main clutch 30 during with the third line star-wheel 20 and the 3rd sun gear 23 interlocking braking, the 3rd epicyclic gear train inside does not have relative movement, direct transferring power, can't change speed ratio, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, and the current power that transmits from input shaft 1 can pass to the second intermediate gear 17 via the second input gear 5, be directly passed to jack shaft 2 via the 3rd epicyclic gear train again, pass at last output shaft 3.
6 grades of transmission of power situations: when the 4th main clutch 28 during with fourth line star-wheel 21 and the 4th sun gear 22 interlocking braking, the 4th week runner is that inside does not have relative movement, direct transferring power, can't change speed ratio, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, and the current power that transmits from input shaft 1 can pass to the first intermediate gear 16 via the first input gear 4, be directly passed to jack shaft 2 via 4th week runner system again, pass at last output shaft 3.
Transmission of power situation during reverse gear: when second clutch 14 is braked the second planet wheel 9, the second epicyclic gear train becomes planetary gear train by differential gear train, can transferring power, all the other epicyclic gear trains still are in the differential gear train state, can't transferring power, after can changing speed ratio via the second epicyclic gear train, the current power that transmits from input shaft 1 passes to the 3rd input gear 12, pass to jack shaft 2 from the 3rd input gear 12 via the 3rd intermediate gear 18 of direct engagement again, pass at last output shaft 3.

Claims (1)

1. gearbox, comprise input shaft (1), jack shaft (2) and output shaft (3), it is characterized in that: be set with the first input gear (4) at described input shaft (1), the second input gear (5), the first epicyclic gear train and the second epicyclic gear train, this first epicyclic gear train comprises the first sun gear (6), the first row star-wheel (8) and the first gear ring (10), this second epicyclic gear train comprises the second sun gear (7), the second planet wheel (9) and the second gear ring (11), described the first sun gear (6) and the second sun gear (7) all are sleeved on the input shaft (1), described the first row star-wheel (8) and coaxial linking to each other of the second gear ring (11), and this first row star-wheel (8) also is coaxially connected with the 3rd input gear (12), described the first gear ring (10) links to each other with first clutch (13), described the second sun gear (7) all links to each other with the second main clutch (15) with the second planet wheel (9), and this second planet wheel (9) also links to each other with the second side clutch (14); Be set with the 3rd intermediate gear (18) at described jack shaft (2), the 3rd epicyclic gear train, 4th week runner system and the 4th intermediate gear (19), the 3rd intermediate gear (18) is meshed with the 3rd input gear (12), described the 3rd epicyclic gear train comprises the 3rd sun gear (23), the third line star-wheel (20) and the 3rd gear ring (24), this the third line star-wheel (20) is sleeved on the jack shaft (2), be coaxially connected with the second intermediate gear (17) on described the 3rd gear ring (24), this second intermediate gear (17) is meshed with the second input gear (5), described the third line star-wheel (20) all links to each other with three-clutch (30) with the 3rd sun gear (23), and the 3rd sun gear (23) also links to each other with the 3rd side clutch (26); Described 4th week runner is to comprise the 4th sun gear (22), fourth line star-wheel (21) and the 4th gear ring (25), this fourth line star-wheel (21) is sleeved on the jack shaft (2), be coaxially connected with the first intermediate gear (16) on described the 4th sun gear (22), this first intermediate gear (16) is meshed with the first input gear (4), described the 4th sun gear (22) all links to each other with the 4th main clutch (28) with fourth line star-wheel (21), and the 4th gear ring (25) links to each other with fourth officer clutch (27); Be set with output gear (29) on the described output shaft (3), this output gear (29) is meshed with the 4th intermediate gear (19).
CN2012205490592U 2012-10-24 2012-10-24 Speed changing box Expired - Fee Related CN202851840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205490592U CN202851840U (en) 2012-10-24 2012-10-24 Speed changing box

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Application Number Priority Date Filing Date Title
CN2012205490592U CN202851840U (en) 2012-10-24 2012-10-24 Speed changing box

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CN202851840U true CN202851840U (en) 2013-04-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102900816A (en) * 2012-10-24 2013-01-30 重庆赛特尔机械有限公司 Gearbox

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102900816A (en) * 2012-10-24 2013-01-30 重庆赛特尔机械有限公司 Gearbox

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130403

Termination date: 20191024