CN201165197Y - Minicar drive system - Google Patents
Minicar drive system Download PDFInfo
- Publication number
- CN201165197Y CN201165197Y CNU2008200976358U CN200820097635U CN201165197Y CN 201165197 Y CN201165197 Y CN 201165197Y CN U2008200976358 U CNU2008200976358 U CN U2008200976358U CN 200820097635 U CN200820097635 U CN 200820097635U CN 201165197 Y CN201165197 Y CN 201165197Y
- Authority
- CN
- China
- Prior art keywords
- synchro
- gear box
- gear
- shaft
- axle
- 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 - Lifetime
Links
- 241000519996 Teucrium chamaedrys Species 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000670 limiting effect Effects 0.000 claims description 3
- 230000009194 climbing Effects 0.000 abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
Disclosed is a mini vehicle drive system; the driving gear on the output shaft of a gear box is arranged in a transfer case; the rear part of the output shaft of the transfer case is mounted with a small gear through a bearing; the front end of the output shaft of the transfer case is extended from the front cover of the transfer case and connected with the rear part of a front speed reducer; front half-axles are arranged on the left and right sides of the front part of the front speed reducer; a synchronizer joint tooth is nested on the annular lug boss of the front part of the small gear in the transfer case; a synchronization ring is movably nested on the synchronizer joint tooth; a synchronizer fixing tooth is mounted on the output shaft of the transfer case and the front side of the synchronization ring; a synchronizer joint tooth sleeve is nested on the synchronizer fixing tooth; the roller of a shift fork mechanism is clamped in the annular groove on the outer surface of the synchronizer joint tooth sleeve. The mini vehicle drive system can enable the mini vehicle to select the two-wheel drive or the four-wheel drive; meanwhile, the switching between the two-wheel drive and the four-wheel drive is convenient; the manipulation is simple; the climbing capability of the mini vehicle is improved greatly and the traffic ability of the vehicle is improved effectively.
Description
Technical field
The utility model relates to a kind of mid-get car, relates in particular to the mid-get car drive system.
Background technology
At present, what mid-get car generally adopted is the back-wheel drive mode, and promptly the power of driving engine is delivered to change speed gear box earlier, and the output shaft by change speed gear box passes to back retarder and rear axle shaft by rear propeller shaft again, rotates to drive trailing wheel, and car load travels forward or backward.The mid-get car that has only two back-wheel drives by the lower road surface of adhesive ability coefficient the time, can not provide enough big surface driving power; During particularly by muddy or frost boiling section, drive wheel is absorbed in mire easily or skids and can't drive, thereby has influenced the crossing ability of automobile, brings great inconvenience for people's trip.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of mid-get car drive system that can make automobile adopt two-wheel drive or four wheel drive, to improve the crossing ability and the hill climbing ability of mid-get car.
The technical solution of the utility model is as follows: a kind of mid-get car drive system, comprise driving engine and change speed gear box, wherein the output shaft of change speed gear box is connected with the back retarder by rear propeller shaft, its key is: suit driving gear on described output shaft of gear-box, this driving gear is positioned at auxiliary gear box, described auxiliary gear box is installed in the afterbody of change speed gear box, by preceding, the bonnet butt joint forms, before auxiliary gear box, also be supported with big gear wheel and auxiliary gear box output shaft between the bonnet, wherein the rear portion of auxiliary gear box output shaft is by the bearing installation miniature gears, the front end of auxiliary gear box output shaft stretches out from the front portion of auxiliary gear box protecgulum, and be connected by the input end of front propeller shaft assy. with the front reduction gear afterbody, left side in the front reduction gear front portion, the propons semiaxis is arranged in right both sides, and the inner of each propons semiaxis is connected with the corresponding mouth of front reduction gear; Big gear wheel in the described auxiliary gear box is positioned at the centre of driving gear and miniature gears, this big gear wheel maximum, and respectively with driving gear and pinion; On the annular boss of miniature gears front portion, be set with the synchro soldered tooth, kink baulk ring on the hollow frustum of this synchro soldered tooth front end, and on the auxiliary gear box output shaft of baulk ring front side the synchro fixed teeth is installed, described synchro fixed teeth, baulk ring and synchro soldered tooth three's excircle is provided with shape and the identical male splines of size, and on the synchro fixed teeth suit synchro soldered tooth cover, the outside face of this synchro soldered tooth cover has circular groove, the roller of one shifting fork mechanism snaps in this circular groove, and the declutch shift shaft of shifting fork mechanism upwards passes outside the auxiliary gear box protecgulum.
Adopt above technical scheme, the afterbody of traditional mid-get car change speed gear box is blocked, has a face of joint that adapts with change speed gear box truncation surface shape size on the auxiliary gear box protecgulum, it is fixing that this face of joint docks with the change speed gear box truncation surface, makes driving gear on the output shaft of gear-box be placed in the forward and backward lid of auxiliary gear box and dock in the formed casing.Output shaft of gear-box still is connected with the back retarder by rear propeller shaft, the auxiliary gear box output shaft is connected with front reduction gear by front propeller shaft assy., and shifting fork mechanism is connected with auxiliary gear box bar handle in being arranged on operator's compartment by flexible axle, under the control of auxiliary gear box bar handle, shifting fork mechanism can drive the synchro soldered tooth and be enclosed within the synchro fixed teeth, slippage on baulk ring and the synchro soldered tooth, make and separate between synchro fixed teeth and the synchro soldered tooth or joint, under the effect of auxiliary gear box, mid-get car can select to have only the drive form of trailing wheel participation or the drive form that front and back wheel participates in simultaneously according to road conditions like this.
In the utility model, when rotating under the driving of output shaft of gear-box at engine power, driving gear rotates with output shaft of gear-box, and output shaft of gear-box is given back retarder and rear axle shaft by rear propeller shaft with the transmission of power of driving engine, drives trailing wheel and rotates; And driving gear rotates by the large gear turn the small gear, when the synchro soldered tooth on the miniature gears annular boss and synchro fixed teeth are in released state, the idle running of synchro soldered tooth, the auxiliary gear box output shaft does not rotate, this moment, mid-get car adopted two back-wheel drives, be suitable in condition of road surface travels down preferably, to reduce the wearing and tearing of tire and Parts for Power Train; When the synchro soldered tooth on the miniature gears annular boss and synchro fixed teeth are in engagement state, the synchro soldered tooth drives the rotation of synchro fixed teeth by synchro soldered tooth cover, the synchro fixed teeth drives the auxiliary gear box output shaft again and rotates, make the auxiliary gear box output shaft by front propeller shaft assy. with a part of transmission of power of driving engine to front reduction gear and propons semiaxis, rotate to drive front-wheel, this moment, the front and rear wheel of minicar all had propulsive effort, strengthen the hill climbing ability of mid-get car so greatly, effectively improved the crossing ability of automobile.
For simplified structure, be convenient to install, above-mentioned shifting fork mechanism is made up of roller, shift fork, declutch shift shaft, declutch shift shaft output board and joint, wherein shift fork is positioned at the auxiliary gear box protecgulum, two ends in the shift fork fork is symmetrically installed with roller, the shank of shift fork is captiveed joint with the lower end of declutch shift shaft, the upper end of this declutch shift shaft upwards passes outside the auxiliary gear box protecgulum, and with one of the declutch shift shaft output board fixing, in the erection joint of the other end of declutch shift shaft output board.Joint is connected with auxiliary gear box bar handle in the operator's compartment by flexible axle, the auxiliary gear box bar handle spurs joint by flexible axle, declutch shift shaft is rotated, declutch shift shaft drives the interplanting of synchro soldered tooth by the roller on the shift fork and moves axially, make and separate between synchro fixed teeth and the synchro soldered tooth or joint, handle so simply, control is convenient.
Bottom at above-mentioned auxiliary gear box protecgulum offers through hole, wears spring and locating dowel pin in this through hole, and the outer end of through hole is sealed by threaded cap; One end of described locating dowel pin stretches in the groove that is provided with on the shift fork fork end face, a butt of the other end of locating dowel pin and spring, and the other end of spring is spacing by threaded cap.Spring is in the normal pressure state that contracts, and under the effect of spring, locating dowel pin withstands shift fork, prevents that it from rocking, thereby has guaranteed that shift fork stirs the stationarity and the reliability of the motion of synchro soldered tooth cover.
In order to make compact conformation, and be convenient to assemble, be connected by spline between the annular boss of above-mentioned synchro soldered tooth and miniature gears, the synchro soldered tooth is divided into forward and backward two sections, the excircle of synchro soldered tooth back segment is provided with male splines, the leading portion of synchro soldered tooth is hollow frustum, and the tapering of the tapering of this hollow frustum and baulk ring centre hole adapts.
For the reliability that improves transmission and guarantee driving gear and miniature gears between the conformability of rotating, above-mentioned driving gear, big gear wheel and miniature gears three's center of circle in-line, and driving gear and miniature gears equal and opposite in direction, rotation direction is identical.
Above-mentioned front propeller shaft assy. is made up of first front propeller shaft and second front propeller shaft, wherein first front propeller shaft is divided into two sections, the front end of this first front propeller shaft leading portion is connected with the input flange dish of front reduction gear by first universal-joint, the rear end of the first front propeller shaft leading portion is connected with the back segment of first front propeller shaft by second universal-joint, before described first front propeller shaft, the axis of back segment forms 11 °～13 ° angle a, the back segment of first front propeller shaft is sleeved on the front end of second front propeller shaft, both splines connect, and the rear end of second front propeller shaft is connected with auxiliary gear box output shaft spline.Front propeller shaft assy. adopt two axles butt joints to link to each other and the front and rear sections of first front propeller shaft between the structure of certain angle each other, can effectively avoid with the chassis on driving engine, change speed gear box interfere, the structure that need not change driving engine and change speed gear box on a large scale can be installed like this, not only simply suitable, and the repacking cost is low.Form 11 °～13 ° angle a between the front and rear sections of first front propeller shaft, can guarantee stability of transmission, the excessive or too small effect of all can influence power transmitting causes rotating speed irregular.
Above-mentioned front reduction gear is by the propons housing, front axle housing cover, differential casing, bevel pinion, bevel gear wheel, axle side gear, planetary wheel and input flange dish constitute, wherein the front and back end of propons housing is worn-out mouthful, front end spiral-lock front axle housing cover at the propons housing, both pass through bolt, form the front reduction gear casing, before the described front axle housing intracoelomic cavity, the rear portion is installed differential casing and bevel pinion respectively by bearing, suit bevel gear wheel on the differential casing wherein, this bevel gear wheel is meshed with bevel pinion, the tail end of small coning gear shaft stretches out from the aft end face of front axle housing body, and the rear end of small coning gear shaft is set with the input flange dish; The inner of described two propons semiaxis is oppositely passed the propons housing and is extend in the differential casing, in the end of two propons semiaxis the inners an axle side gear is installed respectively, the two-semiaxle gear all is meshed with two planetary wheels that are arranged between them, described two planetary wheels are installed on the same axle, and this two ends are stretched on the differential casing in the cooresponding mounting hole.
When mid-get car adopts four wheel drive to travel on straight line, the rotating speed unanimity of axle side gear on the two propons semiaxis, the two-semiaxle gear is relative with planetary wheel static; Work as Ackermann steer angle, planetary wheel begins rotation, and the rotation of two axle side gears produces differential, and guarantees that two-semiaxle gear rotational speed sum equals the twice of bevel gear wheel rotating speed, thus the alerting ability and the stability of turning when having strengthened the mid-get car four wheel drive.
In order to guarantee that bevel pinion has enough support stiffnesses, above-mentioned bevel pinion is made unitary whole formula structure for axle and gear, and the axle of this bevel pinion is bearing on the propons housing by two cone bearings.
Above-mentioned input flange dish is by the pad axial limiting, and by nut locking on the axle of bevel pinion, the front portion of flange has annular boss, this annular boss stretches in the propons housing, and is provided with oil sealing between the inwall of annular boss and propons housing.Above structure can guarantee compact conformation, prevents that lubricating oil from leaking, and can make things convenient for front propeller shaft assy. again to be connected, to accept the power that front propeller shaft assy. passes over better.
Above-mentioned propons semiaxis is two ball cage universal joint semiaxis structures, traveling comfort and the car load crossing ability taken with further raising.
Beneficial effect: the utlity model has be skillfully constructed, reasonable in design, implement characteristics such as easy, it can make mid-get car adopt two-wheel drive during travels down preferably in road conditions, to reduce the wearing and tearing of tire and Parts for Power Train; Mid-get car is by the lower road surface of adhesive ability coefficient, when particularly passing through mire or frost boiling highway section, can adopt four wheel drive, mid-get car has enough big surface driving power like this, can prevent effectively that tire is absorbed in mire or skids, strengthen the hill climbing ability of mid-get car greatly, effectively improved the crossing ability of automobile.Mid-get car between two-wheel drive and four wheel drive easy switching, handle simple, for people's trip brings great convenience.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the assembling scheme drawing of auxiliary gear box in the utility model.
Fig. 3 is the structure diagram after auxiliary gear box is assembled together in the utility model.
Fig. 4 is the structural representation of shifting fork mechanism in the utility model.
Fig. 5 is the structural representation of front propeller shaft assy. in the utility model.
Fig. 6 is the B-B cutaway view of Fig. 5.
Fig. 7 is the structural representation of front reduction gear in the utility model.
Fig. 8 is the A-A cutaway view of Fig. 7.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2 and shown in Figure 3, change speed gear box 2 is installed in the rear end of driving engine 1, and the input shaft of change speed gear box 2 is connected with the output shaft of driving engine 1.Auxiliary gear box is positioned at the afterbody of change speed gear box 2, is formed by auxiliary gear box protecgulum 7 and 8 butt joints of auxiliary gear box bonnet, and both pass through bolt.The front portion of described auxiliary gear box protecgulum 7 one sides is formed with hollow frustum, and the shape size of the front end face of auxiliary gear box protecgulum 7 opposite sides and change speed gear box 2 tail end faces adapts, so that by bolt auxiliary gear box is fixed on the change speed gear box 2.The output shaft 3 of change speed gear box 2 passes auxiliary gear box, and from the integrally formed hollow frustum in auxiliary gear box bonnet 8 rear portions, stretch out, the external part at output shaft of gear-box 3 rear portions is connected with the input end of back retarder 5 by universal-joint and rear propeller shaft 4, and two mouths of back retarder 5 are connected with two rear axle shafts 44 respectively.Driving engine 1, change speed gear box 2 and back retarder 5 are prior art, and inner structure is not separately done at this and given unnecessary details.
As can be known, be set with driving gear 6 on output shaft of gear-box 3 from Fig. 2 and Fig. 3, this driving gear 6 is positioned at auxiliary gear box, and can rotate with output shaft of gear-box 3.Big gear wheel 9 and auxiliary gear box output shaft 10 also are housed in auxiliary gear box, wherein the afterbody of auxiliary gear box output shaft 10 is bearing on the auxiliary gear box bonnet 8 by bearing 45, miniature gears 12 is installed by bearing 11 in rear portion at auxiliary gear box output shaft 10, the middle part of auxiliary gear box output shaft 10 is bearing on the auxiliary gear box protecgulum 7 by bearing 46, and bearing 46 is positioned at the hollow frustum of auxiliary gear box protecgulum 7, the front end of auxiliary gear box output shaft 10 stretches out the hollow frustum of auxiliary gear box protecgulum 7, and is connected with front propeller shaft assy..Described big gear wheel 9 is made unitary whole formula structure for axle and gear, and the axle of this big gear wheel 9 is bearing in respectively in the cooresponding mounting hole in auxiliary gear box forward and backward lid 7,8 middle parts by two bearings 47.Described big gear wheel 9 is positioned at the centre of driving gear 6 and miniature gears 12, big gear wheel 9, driving gear 6 and miniature gears 12 threes' center of circle in-line, big gear wheel 9 maximums wherein, and mesh one by one with driving gear 6 and miniature gears 12, and driving gear 6 and miniature gears 12 equal and opposite in directions, rotation direction is identical.
Also as can be known, be formed with annular boss 12a in the front portion of miniature gears 12 from Fig. 2, Fig. 3, this annular boss 12a goes up suit synchro soldered tooth 15, is connected by spline between synchro soldered tooth 15 and the annular boss 12a, and is spacing by back-up ring.Described synchro soldered tooth 15 is divided into forward and backward two sections, the excircle of synchro soldered tooth 15 back segments is provided with male splines, the leading portion of synchro soldered tooth 15 is hollow frustum, kink baulk ring 16 on this hollow frustum, the endoporus of baulk ring 16 is a taper hole, the tapering of hollow frustum adapts on the tapering of taper hole inwall and the synchro soldered tooth 15, and the outline of baulk ring 16 is pre-small post-large step, also is provided with male splines on the excircle of baulk ring 16 rear end maximum gauge sections.On the auxiliary gear box output shaft 10 of described baulk ring 16 front sides synchro fixed teeth 17 is installed, is connected by spline between this synchro fixed teeth 17 and the auxiliary gear box output shaft 10, and spacing by bearing 46 and back-up ring.On the excircle of synchro fixed teeth 17, be provided with male splines equally, and synchro fixed teeth 17, baulk ring 16 and synchro soldered tooth 15 threes' male splines shape and big or small identical.Suit synchro soldered tooth cover 18 on described synchro fixed teeth 17, this synchro soldered tooth cover 18 is connected with synchro fixed teeth 17 by feather key, the hole wall that the synchro soldered tooth overlaps 18 centre holes is provided with female splines, and has and shifting fork mechanism bonded assembly circular groove at the outside face of synchro soldered tooth cover 18.
As Fig. 2, Fig. 3 and shown in Figure 4, shifting fork mechanism is made up of roller 19, shift fork 20, declutch shift shaft 21, declutch shift shaft output board 22 and joint 23, wherein shift fork 20, synchro fixed teeth 17 and synchro soldered tooth cover 18 all are positioned at the hollow frustum of auxiliary gear box protecgulum 7, two ends in shift fork 20 forks is symmetrically installed with two rollers 19, and roller 19 snaps in the circular groove that the synchro soldered tooth overlaps 18 outside faces.The shank of shift fork 20 is sleeved on the lower end of declutch shift shaft 21, passes through bolt.The bottom of declutch shift shaft 21 is stretched on the auxiliary gear box protecgulum 7 in the cooresponding mounting hole, the upper end of declutch shift shaft 21 upwards passes outside the auxiliary gear box protecgulum 7, and with one of declutch shift shaft output board 22 fixing, declutch shift shaft output board 22 is perpendicular with declutch shift shaft 21, in the other end of declutch shift shaft output board 22 erection joint 23, joint 23 can be connected by the interior auxiliary gear box bar handle of flexible axle (not drawing among the figure) and operator's compartment.The auxiliary gear box bar handle can spur joint 23 by flexible axle, declutch shift shaft 21 is rotated, declutch shift shaft 21 drives synchro soldered tooth cover 18 by the roller on the shift fork 20 19 and moves axially, make between synchro fixed teeth 17 and the synchro soldered tooth 15 and separate, perhaps be bonded together by synchro soldered tooth cover 18, handle so simply, control is convenient.
As can be known from Fig. 4, offer through hole, wear spring 24 and locating dowel pin 25 in this through hole, and the outer end of through hole is by threaded cap 26 sealings in the bottom of auxiliary gear box protecgulum 7; One end of described locating dowel pin 25 stretches in the groove that is provided with on the shift fork 20 fork end faces, a butt of the other end of locating dowel pin 25 and spring 24, and the other end of spring 24 is spacing by threaded cap 26.Spring 24 is in the normal pressure state that contracts, and under the effect of spring 24, locating dowel pin 25 withstands shift fork 20, prevents that it from rocking, thereby has guaranteed that shift fork 20 stirs the stationarity and the reliability of 18 motions of synchro soldered tooth cover.
As Fig. 1, Fig. 5 and shown in Figure 6, front propeller shaft assy. is made up of first front propeller shaft 27 and second front propeller shaft 28, wherein first front propeller shaft 27 is divided into forward and backward two sections, the front end of these first front propeller shaft, 27 leading portions is connected with the input flange dish 38 of front reduction gear 13 afterbodys by first universal-joint 29, the rear end of first front propeller shaft, 27 leading portions is connected with the back segment of first front propeller shaft 27 by second universal-joint 30, the spline housing structure that the back segment of first front propeller shaft 27 is arranged horizontally, the axis of first front propeller shaft, 27 front and rear sections forms 11 °～13 ° angle a.The back segment of described first front propeller shaft 27 is sleeved on the front end of second front propeller shaft 28, and both splines connect, by nut locking.The front portion of second front propeller shaft 28 is supported by the support 49 that is fixed on the suspension 48 of a driving engine left side, and the rear end of second front propeller shaft 28 is connected with auxiliary gear box output shaft 10 splines.
As Fig. 1, Fig. 7 and shown in Figure 8, front reduction gear 13 is by component set-ups such as propons housing 31, front axle housing cover 32, differential casing 33, bevel pinion 34, bevel gear wheel 35, axle side gear 36, planetary wheel 37 and input flange dishes 38, wherein the inner chamber of propons housing 31 is divided into pre-large post-small two sections, the front and back end of propons housing 31 is all uncovered, front end spiral-lock front axle housing cover 32 at propons housing 31, both form the front reduction gear casing by bolt.Described bevel pinion 34 is made unitary whole formula structure for axle and gear, the axle of bevel pinion 34 is by two cone bearings 40,40 ' be bearing in the back segment of propons housing 31 inner chambers, the gear parts of bevel pinion 34 is at the front end of axle, and be arranged in the leading portion of propons housing 31 inner chambers, the rear portion that bevel pinion is 34 is suit flange 38 successively, pad 41 and nut 42, wherein flange 38 is connected with the male splines of bevel pinion 34, the disk body of these flange 38 rear ends partly is positioned at outside the propons housing 31, the front portion of flange 38 has an annular boss, this annular boss stretches in the propons housing 31, and with cone bearing 40 ' the aft end face butt, cone bearing 40 ' front end face and the aft end face of cone bearing 40 between divide spacer 50 spacing mutually by bearing, and the front end face of cone bearing 40 is spacing by the gear parts of bevel pinion 34.Be provided with oil sealing 43 and flange cover plate 51 on the annular boss of flange 38 front portions, wherein oil sealing 43 is positioned at the open-mouth of propons housing 31 tail ends, seals; Flange cover plate 51 covers on the uncovered outside of propons housing 31 afterbodys, plays protective action.Described pad 41 is arranged in the stepped hole that flange 38 outer face central authorities offer, and to flange 38 axial limitings, by nut 42 lockings.
From Fig. 7, Fig. 8 further as can be known, differential casing 33 is positioned at the leading portion of propons housing 31 inner chambers, the left and right two ends of this differential casing 33 are bearing in respectively on the propons housing 31 by finishing bevel gear cuter 52, and the outer ring of finishing bevel gear cuter 52 is fixing by pressing plate 53, and oil sealing is equipped with in the outside of finishing bevel gear cuter 52.Suit bevel gear wheel 35 on differential casing 33, this bevel gear wheel 35 reclines mutually with terminal pad on the differential casing 33, and between the two by pressing many bolt of circumference well-distributed, and bevel gear wheel 35 is meshed with bevel pinion 34.Arrange that in the and arranged on left and right sides of described propons housing 31 front portions 14, two propons semiaxis 14 of propons semiaxis are two ball cage universal joint semiaxis structures.The inner of left side propons semiaxis 14 is passed the via hole on the propons housing 31 and is extend in the inner chamber of differential casing 33, and the via hole that the inner of the right propons semiaxis 14 is passed on the propons housing 31 also extend in the inner chamber of differential casing 33.Free-running fit between two propons semiaxis 14 and the differential casing 3, at axle side gear 36 of each suit of the end of two propons semiaxis, 14 the inners, axle side gear 36 adopts spline to be connected with cooresponding semiaxis.Two planetary wheels 37 are installed on the same axle 39 side by side, and the two ends of axle 39 are stretched on the differential casing 33 in the cooresponding mounting hole.Described two planetary wheels 37 are between two-semiaxle gear 36, and each planetary wheel 37 all is meshed with two-semiaxle gear 36.
The utility model is work like this:
When output shaft of gear-box 3 rotated under the driving of driving engine 1 power, output shaft of gear-box 3 was given back retarder 5 and rear axle shaft 44 by rear propeller shaft 4 with the transmission of power of driving engine 1, drove trailing wheel and rotated; Simultaneously, driving gear 6 on the output shaft of gear-box 3 rotates with output shaft of gear-box 3, driving gear 6 drives miniature gears 12 rotations by big gear wheel 9, when synchro soldered tooth on the miniature gears 12 annular boss 12a 15 and synchro fixed teeth 17 are in released state, 15 idle running of synchro soldered tooth, auxiliary gear box output shaft 10 does not rotate, and this moment, mid-get car adopted two back-wheel drives, is suitable in condition of road surface travels down preferably.
When control auxiliary gear box bar handle, when making it by flexible axle pulling joint 23, declutch shift shaft 21 rotates around its axis under the effect of flexible axle, declutch shift shaft 21 drives the 18 direction slippages to synchro soldered tooth 15 of synchro soldered tooth cover by the roller on the shift fork 20 19, synchro soldered tooth cover 18 promotes baulk ring 16, make and produce friction between baulk ring 16 and the synchro soldered tooth 15, and baulk ring 16 also begins to rotate under the drive of friction force, when the rotating speed of baulk ring 16 reaches consistent with the rotating speed of synchro soldered tooth 15, the rear end of synchro soldered tooth cover 18 slides on the synchro soldered tooth 15, synchro soldered tooth cover 18 is connected with synchro fixed teeth 17 splines with synchro soldered tooth 15 simultaneously like this, synchro soldered tooth 15 drives 17 rotations of synchro fixed teeth by synchro soldered tooth cover 18, synchro fixed teeth 17 drives auxiliary gear box output shaft 10 by feather key again and rotates, make auxiliary gear box output shaft 10 a part of transmission of power of driving engine 1 be given the flange 38 of front reduction gear 13 by front propeller shaft assy., flange 38 drives bevel gear wheel 35 rotations by bevel pinion 34, and differential casing 33 and planetary wheel 37 rotate with bevel gear wheel 35.At this moment, power is through planetary wheel 37, axle side gear 36, and propons semiaxis 14 outputs to left and right front-wheel, and front-wheel has also had propulsive effort like this.Mid-get car adopts two trailing wheels and two front-wheels to drive jointly, and tractive force is enough big, thereby has strengthened the hill climbing ability of mid-get car greatly, has effectively improved the crossing ability of automobile.
Claims (10)
1, a kind of mid-get car drive system, comprise driving engine (1) and change speed gear box (2), wherein the output shaft (3) of change speed gear box (2) is connected with back retarder (5) by rear propeller shaft (4), it is characterized in that: go up suit driving gear (6) at described output shaft of gear-box (3), this driving gear (6) is positioned at auxiliary gear box, described auxiliary gear box is installed in the afterbody of change speed gear box (2), by preceding, bonnet (7,8) butt joint forms, before auxiliary gear box, bonnet (7,8) also be supported with big gear wheel (9) and auxiliary gear box output shaft (10) between, wherein miniature gears (12) is installed by bearing (11) in the rear portion of auxiliary gear box output shaft (10), the front end of auxiliary gear box output shaft (10) stretches out from the front portion of auxiliary gear box protecgulum (7), and be connected by the input end of front propeller shaft assy. with front reduction gear (13) afterbody, on the anterior left side of front reduction gear (13), propons semiaxis (14) is arranged in right both sides, and the inner of each propons semiaxis (14) is connected with the corresponding mouth of front reduction gear (13); Big gear wheel (9) in the described auxiliary gear box is positioned at the centre of driving gear (6) and miniature gears (12), this big gear wheel (9) maximum, and mesh with driving gear (6) and miniature gears (12) respectively; On the annular boss (12a) of miniature gears (12) front portion, be set with synchro soldered tooth (15), kink baulk ring (16) on the hollow frustum of this synchro soldered tooth (15) front end, and on the auxiliary gear box output shaft (10) of baulk ring (16) front side synchro fixed teeth (17) is installed, described synchro fixed teeth (17), baulk ring (16) and synchro soldered tooth (15) three's excircle is provided with shape and the identical male splines of size, and at the last suit synchro soldered tooth cover (18) of synchro fixed teeth (17), the outside face of this synchro soldered tooth cover (18) has circular groove, the roller of one shifting fork mechanism (19) snaps in this circular groove, and the declutch shift shaft of shifting fork mechanism (21) upwards passes outside the auxiliary gear box protecgulum (7).
2, mid-get car drive system according to claim 1, it is characterized in that: described shifting fork mechanism is by roller (19), shift fork (20), declutch shift shaft (21), declutch shift shaft output board (22) and joint (23) are formed, wherein shift fork (20) is positioned at auxiliary gear box protecgulum (7), two ends in shift fork (20) fork is symmetrically installed with roller (19), the shank of shift fork (20) is captiveed joint with the lower end of declutch shift shaft (21), the upper end of this declutch shift shaft (21) upwards passes outside the auxiliary gear box protecgulum (7), and with one of declutch shift shaft output board (22) fixing, in the other end erection joint (23) of declutch shift shaft output board (22).
3, mid-get car drive system according to claim 2 is characterized in that: the bottom at described auxiliary gear box protecgulum (7) offers through hole, wears spring (24) and locating dowel pin (25) in this through hole, and the outer end of through hole is sealed by threaded cap (26); One end of described locating dowel pin (25) stretches in the groove that is provided with on shift fork (20) the fork end face, a butt of the other end of locating dowel pin (25) and spring (24), and the other end of spring (24) is spacing by threaded cap (26).
4, mid-get car drive system according to claim 1, it is characterized in that: be connected by spline between the annular boss (12a) of described synchro soldered tooth (15) and miniature gears (12), synchro soldered tooth (15) is divided into forward and backward two sections, the excircle of synchro soldered tooth (15) back segment is provided with male splines, the leading portion of synchro soldered tooth (15) is hollow frustum, and the tapering of the tapering of this hollow frustum and baulk ring (16) centre hole adapts.
5, mid-get car drive system according to claim 1, it is characterized in that: described driving gear (6), big gear wheel (9) and miniature gears (12) three's center of circle in-line, and driving gear (6) and miniature gears (12) equal and opposite in direction, rotation direction is identical.
6, mid-get car drive system according to claim 1, it is characterized in that: described front propeller shaft assy. is made up of first front propeller shaft (27) and second front propeller shaft (28), wherein first front propeller shaft (27) is divided into two sections, the front end of this first front propeller shaft (27) leading portion is connected with the input flange dish (38) of front reduction gear (13) by first universal-joint (29), the rear end of first front propeller shaft (27) leading portion is connected with the back segment of first front propeller shaft (27) by second universal-joint (30), described first front propeller shaft (27) is preceding, the axis of back segment forms 11 °～13 ° angle a, the back segment of first front propeller shaft (27) is sleeved on the front end of second front propeller shaft (28), both splines connect, and the rear end of second front propeller shaft (28) is connected with auxiliary gear box output shaft (10) spline.
7, mid-get car drive system according to claim 1, it is characterized in that: described front reduction gear (13) is by propons housing (31), front axle housing cover (32), differential casing (33), bevel pinion (34), bevel gear wheel (35), axle side gear (36), planetary wheel (37) and input flange dish (38) constitute, wherein the front and back end of propons housing (31) is uncovered, front end spiral-lock front axle housing cover (32) at propons housing (31), both pass through bolt, form the front reduction gear casing, before described propons housing (31) inner chamber, the rear portion is installed differential casing (33) and bevel pinion (34) respectively by bearing, wherein differential casing (33) is gone up suit bevel gear wheel (35), this bevel gear wheel (35) is meshed with bevel pinion (34), the tail end of bevel pinion (34) axle stretches out from the aft end face of front axle housing body (31), and the rear end of bevel pinion (34) axle is set with input flange dish (38); The inner of described two propons semiaxis (14) is oppositely passed propons housing (31) and is extend in the differential casing (33), in the end that two propons semiaxis (14) are inner an axle side gear (36) is installed respectively, two-semiaxle gear (36) all is meshed with two planetary wheels (37) that are arranged between them, described two planetary wheels (37) are installed on the same axle (39), and the two ends of this axle (39) are stretched into differential casing (33) and gone up in the cooresponding mounting hole.
8, mid-get car drive system according to claim 7, it is characterized in that: described bevel pinion (34) is made unitary whole formula structure for axle and gear, and the axle of this bevel pinion (34) is bearing on the propons housing (31) by two cone bearings (40,40 ').
9, according to claim 7 or 8 described mid-get car drive systems, it is characterized in that: described input flange dish (38) is by pad (41) axial limiting, and be locked at by nut (42) on the axle of bevel pinion (34), the front portion of flange (38) has annular boss, this annular boss stretches in the propons housing (31), and is provided with oil sealing (43) between the inwall of annular boss and propons housing (31).
10, according to claim 1 or 7 described mid-get car drive systems, it is characterized in that: described propons semiaxis (14) is two ball cage universal joint semiaxis structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200976358U CN201165197Y (en) | 2008-02-04 | 2008-02-04 | Minicar drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200976358U CN201165197Y (en) | 2008-02-04 | 2008-02-04 | Minicar drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201165197Y true CN201165197Y (en) | 2008-12-17 |
Family
ID=40190580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200976358U Expired - Lifetime CN201165197Y (en) | 2008-02-04 | 2008-02-04 | Minicar drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201165197Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214285A (en) * | 2014-08-12 | 2014-12-17 | 韶能集团韶关宏大齿轮有限公司 | Reinforced six-gear speed-changing box directly connected with transfer case |
| CN106274467A (en) * | 2015-05-28 | 2017-01-04 | 长城汽车股份有限公司 | A kind of automobile and transfer gear thereof |
| WO2018121420A1 (en) * | 2016-12-30 | 2018-07-05 | 比亚迪股份有限公司 | Locking apparatus, powertrain, power transmission system, and vehicle |
| US11359697B2 (en) | 2016-12-30 | 2022-06-14 | Byd Company Limited | Locking device, power assembly, power transmission system, and vehicle |
-
2008
- 2008-02-04 CN CNU2008200976358U patent/CN201165197Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214285A (en) * | 2014-08-12 | 2014-12-17 | 韶能集团韶关宏大齿轮有限公司 | Reinforced six-gear speed-changing box directly connected with transfer case |
| CN106274467A (en) * | 2015-05-28 | 2017-01-04 | 长城汽车股份有限公司 | A kind of automobile and transfer gear thereof |
| CN106274467B (en) * | 2015-05-28 | 2019-01-29 | 长城汽车股份有限公司 | A kind of automobile and its transfer gear |
| WO2018121420A1 (en) * | 2016-12-30 | 2018-07-05 | 比亚迪股份有限公司 | Locking apparatus, powertrain, power transmission system, and vehicle |
| US11053989B2 (en) | 2016-12-30 | 2021-07-06 | Byd Company Limited | Locking device, power assembly, power transmission system, and vehicle |
| US11359697B2 (en) | 2016-12-30 | 2022-06-14 | Byd Company Limited | Locking device, power assembly, power transmission system, and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100582523C (en) | Front speed reducer assembly of micro-car | |
| CN101234599A (en) | Minicar two-wheeled drive and four-wheel drive power mechanism | |
| CN201165197Y (en) | Minicar drive system | |
| CN100520110C (en) | Mini-car transfer case | |
| CN201155549Y (en) | Minicar front decelerator assembly | |
| CN201129409Y (en) | Minicar transfer case | |
| CN101905650A (en) | Antiskid driver | |
| CN201342945Y (en) | Multi-wheel driving running gear | |
| CN210553944U (en) | Stop gear, knuckle shock-absorbing structure and tractor front drive axle | |
| CN201745432U (en) | Automatic clutch drive bridge | |
| CN102943860B (en) | Sliding gear type differential device | |
| CN201784460U (en) | Antiskid driver | |
| CN210821828U (en) | Transmission structure and transmission system using same | |
| CN114932802A (en) | Full-time four-wheel drive transmission system for small all-terrain vehicle with rear steering trapezoid | |
| CN201033538Y (en) | Four-wheel drive chassis for miniature vehicle | |
| CN201158307Y (en) | Power mechanism of beach vehicle | |
| JP3647824B2 (en) | Interlocking universal differential transmission | |
| CN115476921A (en) | Double-wheel steering drive axle, steering system, steering method and automobile | |
| CN206968401U (en) | A kind of all-terrain vehicle and its vehicle transmission gear | |
| CN215435997U (en) | Drive axle assembly of vehicle and vehicle | |
| CN201254097Y (en) | Light car divided steering drive axle assembly controlled by high efficiency differential | |
| CN2403615Y (en) | Automatic difference torque differential mechanism for non-steering handle knob hand tractor | |
| CN219198041U (en) | Wheel type armored vehicle central differential mechanism | |
| CN217944911U (en) | Time-sharing four-wheel drive transmission system and Baha racing car | |
| CN101497311A (en) | Beach vehicle two-wheel and four-wheel drive device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING XIAOKANG AUTOMOBILE GROUP CO., LTD. Free format text: FORMER OWNER: CHONGQING YU'AN INNOVATION AND TECHNOLOGY (GROUP) CO., LTD. Effective date: 20110331 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400037 AFFILIATED NO. 3, NO. 61, JINQIAO ROAD, SHANGQIAO VILLAGE, TANJIAGANG TOWN, SHABA DISTRICT, CHONGQING CITY TO: 400037 NO. 61-1, JINQIAO ROAD, SHAPINGBA DISTRICT, CHONGQING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110331 Address after: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee after: Chongqing Sokon Automobile Group Co., Ltd. Address before: 400037 Chongqing city Shapingba District Town Village Qin Jia Gang Bridge Road Bridge No. 61 of No. 3 Patentee before: Yuan Innovation Tech Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING SOKON INDUSTRY GROUP CO., LTD. Free format text: FORMER NAME: CHONGQING SOKON AUTOMOBILE GROUP CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee after: Chongqing Xiaokang Industry Group Co., Ltd. Address before: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee before: Chongqing Sokon Automobile Group Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG MOTOR CO., LTD., CHONGQING BRANCH Free format text: FORMER OWNER: CHONGQING SOKON GROUP CO., LTD. Effective date: 20121029 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400037 SHAPINGBA, CHONGQING TO: 402260 JIANGJIN, CHONGQING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121029 Address after: 402260 Jiujiang Road, Jiangjin District, Chongqing Patentee after: CHONGQING BRANCH, DFSK AUTOMOBILE CO., LTD. Address before: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee before: Chongqing Xiaokang Industry Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081217 |
|
| CX01 | Expiry of patent term |