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CN203162008U - Six block transmission assembly for medium and light sized truck - Google Patents

Six block transmission assembly for medium and light sized truck Download PDF

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Publication number
CN203162008U
CN203162008U CN 201220594913 CN201220594913U CN203162008U CN 203162008 U CN203162008 U CN 203162008U CN 201220594913 CN201220594913 CN 201220594913 CN 201220594913 U CN201220594913 U CN 201220594913U CN 203162008 U CN203162008 U CN 203162008U
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CN
China
Prior art keywords
assembly
gear
retaining
axle
jack shaft
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
CN 201220594913
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Chinese (zh)
Inventor
陈长荣
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.)
NANJING AUTOMOBILE GEARBOX CO Ltd
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NANJING AUTOMOBILE GEARBOX CO Ltd
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Filing date
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Priority to CN 201220594913 priority Critical patent/CN203162008U/en
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Publication of CN203162008U publication Critical patent/CN203162008U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model belongs to the technical field of motor vehicle equipment, relates to a six block transmission assembly for a medium and light sized truck, which comprises a first shaft assembly, a second shaft assembly, a middle shaft assembly, a rail sub shift assembly and a gearshift mechanism, and adopts four-shaft integrated and vertical detachable type assembling; the first shaft assembly is mounted inside the front housing of the speed changer; a gear assembly with various blocks, a synchronizer hub and a device are mounted on the second shaft assembly; an intermediate shaft constant mesh gear, a six gear, a third blocks gear assembly, a third to forth gear synchronizer and a forth gear assembly are assembled on the middle shaft assembly; a shifting fork shaft joint, a reverse gear shifting fork assembly, a first to second and third to forth gear shifting fork assembly, an interlocking sleeve and a fifth to sixth gear shifting fork assembly are mounted on the shifting fork shaft assembly; and the gearshift mechanism comprises a shift gear shaft assembly and a left and right guide sleeve bearing. The assembly provided by the utility model has a simple structure, is convenient to operate, low in fault probability, saves more oil, and improves power, acceleration and handling quality of the vehicle.

Description

Be used for, six shift transmission assemblies of light truck
Technical field
The utility model belongs to the motor vehicle equipment technical field, is specifically related to a kind of six shift transmission assemblies for, light truck.
Background technique
In the market, the transmission assembly that uses of light truck mostly is Five block transmission greatly.In order to adapt under the new situation automobile environmental protection and energy saving more, to handle the requirement of light and flexible more, in, light truck uses six shift transmissions always will become a kind of trend, six gear vehicle transmission assemblies are all competitively being developed in the auto parts and components field both at home and abroad.
From present case, external develop many, but product specification more complicated, price is difficult to meet the needs of Domestic market also than higher.
Domestic transmission assembly oneself development ability a little less than, also do not develop the six shift transmission assembly products of oneself at present.
Summary of the invention
The purpose of this utility model is to propose a kind of six shift transmission assemblies for, light truck.
Main technical schemes of the present utility model: be used for, six shift transmission assemblies of light truck, comprise first axle assembly, second axle assembly, countershaft assembly, shift rod assembly and change block selecting mechanism, it is characterized in that transmission assembly adopts four one, vertical split type assembling; Described first axle assembly is installed in the speed changer front case; Gear or gear assembly, synchromesh gear hub and the device of each gear are housed on described second axle assembly; Be equipped with successively left from the right-hand member of second axle assembly: four spot bearings, reverse gear assembly, the synchronizer that reverses gear, first gear assembly,, two retaining synchronizers, second gear assembly, two three, four retaining gears, six retaining gear assemblies, five, six keep off synchronizers; From left to right be equipped with jack shaft constant mesh gear, jack shaft six retaining gears, jack shaft three retaining gear assemblies, jack shaft three, four retaining gear synchronizers, jack shaft four retaining gear assemblies on the described countershaft assembly successively; Described jack shaft three, four retaining gear synchronizers comprise jack shaft three, four retaining gear synchromesh gear hubs, jack shaft three, four retaining gear synchronizer gear sleeve and countershaft-gear synchro converter rings; Described shift rod assembly is equipped with the shift rod joint from right to left, the selector fork assembly, that reverses gear, two keeps off selector forks, three, four and keeps off selector fork assemblies, interlocking cover and five, six retaining selector fork assemblies; The described block selecting mechanism that changes comprises gearshift axle assembly, the supporting of left and right sides guide pin bushing; Banking stop and return spring, gearshift axle rocking arm are housed respectively in the supporting of left and right sides guide pin bushing, seat assembly is propped up in block selecting; The axle of gearshift axle assembly passes right guide pin bushing supporting, gearshift axle rocking arm, the supporting of left guide pin bushing successively; The bulb of gearshift axle rocking arm places in the hole of shift rod joint, and the arm of gearshift axle assembly is connected with operating handle; Block selecting is propped up seat assembly and is comprised the block selecting axle assembly, and arm of block selecting axle assembly is inserted in opening in the retaining of gearshift axle rocking arm top, and another arm is connected with operating handle, and block selecting is propped up seat assembly and is connected with rear cover assembly.
Design feature of the present utility model: three, four retaining synchromesh gears manufacture and design on jack shaft, and compared with similar products, the rotary inertia of synchromesh gear work is little, the synchromesh gear high working efficiency; Use a declutch shift shaft, i.e. shift rod assembly control makes that the utility model product structure is simple, and volume is little, low production cost, reliable operation.
The utility model transmission assembly has six advance gear and the gears that reverse gear, and it is reasonable that each keeps off Speed Ratio Distribution.Reasonably the gear speed ratio distributes, and can give full play to engine power performance, thereby improve automobile dynamic quality, improves the automobile acceleration.Top gear position speed ratio and minimum gear speed ratio gap are big and rationally, automobile can obtain the higher speed of a motor vehicle, bigger tractive force.Compare with the automotive transmission of five gears, have simple in structurely, handle lightly, improve the characteristics of automobile dynamic quality and acceleration, can reduce oil consumption, make lorry loading more, the bigger slope of ascending runs much faster.
The utility model compares with external like product, have simple in structure, handle light, the product probability that breaks down is low, can make automobile fuel saving to a greater extent, improves the power performance of automobile, make more that automobile draws, run much faster, further improve the acceleration performance of automobile, improve the manoeuvring performance of automobile.
Description of drawings
Fig. 1 is the general structure schematic representation of the utility model embodiment transmission assembly; Fig. 2 changes the block selecting structural scheme of mechanism in the present embodiment; Fig. 3 is for shift rod assembly, interlocking cover, position limit pin among the embodiment and respectively keep off coupling mechanism schematic representation such as shift fork; Fig. 4 is gearshift axle assembly schematic representation among the embodiment; Fig. 5 is block selecting axle assembly schematic representation among the embodiment; Fig. 6 is three, four retaining selector fork assemblies among the embodiment, three, four retaining synchromesh gear structural representations; Fig. 7 is shift rod assembly schematic representation among the embodiment; Fig. 8 is that A-A of Fig. 7 is to the cross section structure schematic representation.
Among the figure, 1, first axle assembly; 2, primary shaft bearing lid; 3, countershaft assembly; 4, shift rod assembly; 5, five, six retaining selector fork assemblies; 6, three, four retaining selector fork assemblies; 7, speed changer fore shell; 8, transmission case; 9, second axle assembly; 10, one, two retaining selector forks; 11, the selector fork assembly that reverses gear; 12, block selecting swing arm assembly; 13, block selecting axle assembly; 14, shift rod joint; 15, gearshift axle rocking arm; 16, seat assembly is propped up in block selecting; 17, rear cover assembly; 18, second axial flange; 19, left guide pin bushing supporting; 20, right guide pin bushing supporting; 21, gearshift axle assembly; 22, position limit pin; 23, interlocking cover; 24, jack shaft constant mesh gear; 25, jack shaft six retaining gears; 26, jack shaft three retaining gear assemblies; 27, countershaft-gear synchro converter ring; 28, jack shaft three or four retaining synchromesh gear hubs; 29, jack shaft three or four retaining synchronizer gear sleeves; 30, jack shaft four retaining gear assemblies; 31,32, return spring; 33, banking stop; 34, fork locating stud; 35, stir pin.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.
Embodiment: present embodiment is used for, six shift transmission assemblies of light truck, as shown in Figure 1, comprises first axle assembly (1), second axle assembly (9), countershaft assembly (3), shift rod assembly (4) and changes block selecting mechanism.Present embodiment adopts four one, vertical split type assembling.
Described first axle assembly (1) is installed in the speed changer front case.
Gear or gear assembly, synchromesh gear hub and the device etc. of each gear are housed on described second axle assembly (9).Be equipped with successively left from the right-hand member of second axle assembly (9): four spot bearings, reverse gear assembly, the synchronizer that reverses gear, first gear assembly,, two retaining synchronizers, second gear assembly, two three, four retaining gears, six retaining gear assemblies, five, six keep off synchronizers etc.
From left to right be equipped with jack shaft constant mesh gear (24), jack shaft six retaining gears (25), jack shaft three retaining gear assemblies (26), jack shaft three, four retaining gear synchronizers, jack shaft four retaining gear assemblies (referring to Fig. 1) such as (30) on the described countershaft assembly (3) successively.
Described three, four retaining gear synchromesh gears manufacture and design on jack shaft, comprise jack shaft three, four retaining gear synchromesh gear hubs (28), jack shaft three, four retaining gear synchronizer gear sleeves (29), countershaft-gear synchro converter ring (referring to Fig. 1 and 6) such as (27).
Described shift rod assembly (4) is equipped with shift rod joint (14) from right to left, the selector fork assembly (11) that reverses gear,, two keeps off selector forks (10), three, four and keeps off selector fork assemblies (6), interlocking cover (23), five, six retaining selector fork assemblies (referring to Fig. 1 and 6) such as (5).
The described block selecting mechanism that changes comprises: gearshift axle assembly (21), and left and right sides guide pin bushing supporting (19,20) is equipped with banking stop (33) and return spring (31) respectively in the supporting of left and right sides guide pin bushing, gearshift axle rocking arm (15), seat assembly (16) is propped up in block selecting; The axle of gearshift axle assembly (21) passes right guide pin bushing supporting (20), gearshift axle rocking arm (15), left guide pin bushing supporting (19) successively, the bulb of gearshift axle rocking arm (15) places in the hole of shift rod joint (14), and the arm of gearshift axle assembly (21) is connected with operating handle; Block selecting is propped up seat assembly and is comprised block selecting axle assembly (13), (13) arms of block selecting axle assembly are inserted in opening in the retaining of gearshift axle rocking arm (15) top, another arm is connected (referring to Fig. 2) with operating handle, block selecting is propped up seat assembly (16) and is connected with rear cover assembly (17).
Present embodiment operates like this: accompanying drawing 1, Fig. 2, Fig. 3 and the transmission assembly that is shown in Figure 6 are in neutral gear position, this moment Rotation With Changing gear shaft assembly (21) (referring to Fig. 2), drive gearshift axle rocking arm (15) rotation, gearshift axle rocking arm (15) rotation is stirred shift rod joint (14) drive shift rod assembly (4) and is moved forward and backward (referring to Fig. 1), the pin (35) (referring to Fig. 8) of stirring on the shift rod assembly (4) drives three, four retaining selector fork assemblies (6) rotate (referring to Fig. 6) around shift fork locating stud (34), three, four retaining selector fork assemblies (6) drive on jack shaft three, four retaining gear synchronizer gear sleeves (29) are done with the rightabout movement of shift rod assembly (4) and are finished up to putting into gear, and realize putting into gear of three retainings or four retainings.
If the outside rocking arm (referring to Fig. 2) of rotation block selecting axle assembly (13), the rocking arm of opening in the retaining that another of block selecting axle assembly (13) is inserted in gearshift axle rocking arm (15) top drives a gearshift axle rocking arm (15) and does move left and right at shift rod assembly (4), place the bulb of gearshift axle rocking arm (15) in the hole of shift rod joint (14) to drive shift rod joint (14) together with shift rod assembly (4) left rotation and right rotation (referring to Fig. 2), pin (35) the drive interlocking cover (23) of stirring on the shift rod assembly (4) is together done identical left rotation and right rotation, till the shift fork of notch alignment on the interlocking cover (23) (referring to Fig. 3), repeat three then, putting into gear of another gear finished in the action that four retainings are put into gear.
The present embodiment product with compact structure, volume is little, and cost is low.
Embodiment's important technological parameters: gear: reverse gear in 6 forward gear+1.
Maximum input torque: 300Nm; The first retaining speed ratio: 3.176, the six retaining speed ratios: 0.794, the fastest speed ratio was about 0.7 when the overgear was arranged, slowest ratio is about 6-7.

Claims (1)

1. be used for, six shift transmission assemblies of light truck, comprise first axle assembly, second axle assembly, countershaft assembly, shift rod assembly and change block selecting mechanism, it is characterized in that transmission assembly adopts four one, vertical split type assembling; Described first axle assembly is installed in the speed changer front case; Gear or gear assembly, synchromesh gear hub and the device of each gear are housed on described second axle assembly; Be equipped with successively left from the right-hand member of second axle assembly: four spot bearings, reverse gear assembly, the synchronizer that reverses gear, first gear assembly,, two retaining synchronizers, second gear assembly, two three, four retaining gears, six retaining gear assemblies, five, six keep off synchronizers; From left to right be equipped with jack shaft constant mesh gear, jack shaft six retaining gears, jack shaft three retaining gear assemblies, jack shaft three, four retaining gear synchronizers, jack shaft four retaining gear assemblies on the described countershaft assembly successively; Described jack shaft three, four retaining gear synchronizers comprise jack shaft three, four retaining gear synchromesh gear hubs, jack shaft three, four retaining gear synchronizer gear sleeve and countershaft-gear synchro converter rings; Described shift rod assembly is equipped with the shift rod joint from right to left, the selector fork assembly, that reverses gear, two keeps off selector forks, three, four and keeps off selector fork assemblies, interlocking cover and five, six retaining selector fork assemblies; The described block selecting mechanism that changes comprises gearshift axle assembly, the supporting of left and right sides guide pin bushing; Banking stop and return spring, gearshift axle rocking arm are housed respectively in the supporting of left and right sides guide pin bushing, seat assembly is propped up in block selecting; The axle of gearshift axle assembly passes right guide pin bushing supporting, gearshift axle rocking arm, the supporting of left guide pin bushing successively; The bulb of gearshift axle rocking arm places in the hole of shift rod joint, and the arm of gearshift axle assembly is connected with operating handle; Block selecting is propped up seat assembly and is comprised the block selecting axle assembly, and arm of block selecting axle assembly is inserted in opening in the retaining of gearshift axle rocking arm top, and another arm is connected with operating handle, and block selecting is propped up seat assembly and is connected with rear cover assembly.
CN 201220594913 2012-11-13 2012-11-13 Six block transmission assembly for medium and light sized truck Expired - Fee Related CN203162008U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220594913 CN203162008U (en) 2012-11-13 2012-11-13 Six block transmission assembly for medium and light sized truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220594913 CN203162008U (en) 2012-11-13 2012-11-13 Six block transmission assembly for medium and light sized truck

Publications (1)

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CN203162008U true CN203162008U (en) 2013-08-28

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927215A (en) * 2012-11-13 2013-02-13 南京汽车变速箱有限公司 Six-gear transmission assembly for medium truck and light truck
CN104913041A (en) * 2015-04-20 2015-09-16 安徽星瑞齿轮传动有限公司 Novel gear shifting integrated mechanism of car gearbox
CN105723130A (en) * 2013-11-15 2016-06-29 丰田自动车株式会社 Manual transmission
CN106321814A (en) * 2016-11-04 2017-01-11 安徽星瑞齿轮传动有限公司 Gear selecting and shifting upper cover assembly for commercial vehicle transmission
CN108953511A (en) * 2018-08-16 2018-12-07 安徽星瑞齿轮传动有限公司 A kind of automotive transmission
CN114893543A (en) * 2022-05-18 2022-08-12 安徽江淮汽车集团股份有限公司 Compact low cost transmission
CN110296185B (en) * 2019-08-06 2024-01-30 特百佳动力科技股份有限公司 Heavy-duty gearbox

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927215A (en) * 2012-11-13 2013-02-13 南京汽车变速箱有限公司 Six-gear transmission assembly for medium truck and light truck
CN105723130A (en) * 2013-11-15 2016-06-29 丰田自动车株式会社 Manual transmission
CN105723130B (en) * 2013-11-15 2018-04-13 丰田自动车株式会社 Manual transmission
CN104913041A (en) * 2015-04-20 2015-09-16 安徽星瑞齿轮传动有限公司 Novel gear shifting integrated mechanism of car gearbox
CN104913041B (en) * 2015-04-20 2017-06-16 安徽星瑞齿轮传动有限公司 A kind of new shifting integrated mechanism of automotive transmission
CN106321814A (en) * 2016-11-04 2017-01-11 安徽星瑞齿轮传动有限公司 Gear selecting and shifting upper cover assembly for commercial vehicle transmission
CN108953511A (en) * 2018-08-16 2018-12-07 安徽星瑞齿轮传动有限公司 A kind of automotive transmission
CN110296185B (en) * 2019-08-06 2024-01-30 特百佳动力科技股份有限公司 Heavy-duty gearbox
CN114893543A (en) * 2022-05-18 2022-08-12 安徽江淮汽车集团股份有限公司 Compact low cost transmission

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130828

Termination date: 20131113