CN103101397B - Electric tricycle rearmost axle assembly - Google Patents
Electric tricycle rearmost axle assembly Download PDFInfo
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- CN103101397B CN103101397B CN201110353797.XA CN201110353797A CN103101397B CN 103101397 B CN103101397 B CN 103101397B CN 201110353797 A CN201110353797 A CN 201110353797A CN 103101397 B CN103101397 B CN 103101397B
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- wheel hub
- fuse
- box
- flange
- jack shaft
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Abstract
Electric tricycle rearmost axle assembly relates to the assembly set field be arranged on electric tricycle rearmost axle.In the bearing fit face (2) of jack shaft (43), the bearing (49) of upper suit is arranged in the flange bearing groove (14) of rear bridge tube assembly (48) and the fuse-box bearing groove (28) of fuse-box assembly (51), jack shaft (43) and wheel hub (55) are linked together by flat key (44), match with the jack shaft taper fitting face (37) of wheel hub (55) in the wheel hub taper fitting face (4) of jack shaft (43); Flange (12) and fuse-box (17) are linked together by attaching parts; Hoof block group (53) is in wheel hub (55) inner side; Wheel hub (55) and wheel rim (56) link together.After electro-tricycle the advantage of sedan-chair assembly be bearing felt between flange and fuse-box, anhydrous and dust enters, and the life-span is long, easily changes.
Description
Technical field
Electric tricycle rearmost axle assembly relates to the rear axle assemble field for electro-tricycle be made up of jack shaft, rear bridge tube assembly, bearing, fuse-box assembly, hoof block group, wheel hub and wheel rim.
Background technology
At present, fuse-box on electric tricycle rearmost axle and generally adopting between rear bridge tube is welded to connect, large owing to welding the distortion of rear fuse-box, make between fuse-box inner ring wall and wheel hub collar wall, gap between hoof block group and wheel hub inner ring wall is uneven, during brake, braking effect is poor, even there will be the phenomenon of interference, and motor is sustained damage; In addition, bearing circlip due to tricycle rear axle two ends is fixed between jack shaft and rear bridge tube, owing to having gap between fuse-box inner ring wall and wheel hub collar wall, just easily water, dust etc. is had to enter in bearing, the service life of bearing is reduced, and replacing is not easy, therefore, if the method for attachment between a kind of new fuse-box and rear bridge tube can be designed, make bearing can be closed between the flange of fuse-box and rear bridge chair, just can overcome above-mentioned fuse-box and weld produced defect with rear bridge tube.
Summary of the invention
The object of this invention is to provide a kind of electric tricycle rearmost axle assembly of new construction, in rear bridge tube assembly, tube end is welded with flange, bearing is made to be arranged between flange and fuse-box, thus make gap uniformity between hoof block group in fuse-box and wheel hub inner ring wall, good braking effect, and gapless between fuse-box inner ring wall and wheel hub collar wall, just improve bearing service life.
Electric tricycle rearmost axle assembly, it is made up of jack shaft, rear bridge tube assembly, bearing, fuse-box assembly, hoof block group, wheel hub and wheel rim, the bearing fit face of jack shaft is set with bearing, bearing be arranged on after in the flange bearing groove of bridge tube assembly and the fuse-box bearing groove of fuse-box assembly, in half shaft key groove of jack shaft and the wheel hub keyway of wheel hub, by flat key, driving is partly driven is connected as a body with wheel hub; Match with the jack shaft taper fitting face of wheel hub in the wheel hub taper fitting face of jack shaft; In fuse-box fixed orifice on the flange of rear bridge tube assembly and fuse-box assembly fuse-box on flange fixed orifice in by attaching parts, fuse-box assembly is arranged on after bridge tube assembly flange on; Hoof block group is arranged on the pivot shaft of fuse-box assembly, hoof block group and inside the brake surface being positioned at wheel hub; Between the wheel rim fixed orifice and the wheel hub fixed orifice of wheel rim of wheel hub, by wheel hub wheel rim attaching parts, wheel hub and wheel rim are linked together.
A left side for electric tricycle rearmost axle, right both sides jack shaft, bearing, fuse-box assembly, hoof block group, wheel hub is symmetrical identical with wheel rim configuration, therefore, only need illustrate that motor rear axle is left, the structure of side in right both sides, jack shaft is connected by the motor output shaft on electro-tricycle or chain to drive, jack shaft rotates in bearing inner ring, and drive wheel hub to rotate together, after the cam axle of fuse-box assembly, hoof block group is opened, friction lining in hoof block group and the brake surface phase friction braking on wheel hub, jack shaft is stopped operating, make three-wheel vehicle out of service.
The each parts of electric tricycle rearmost axle assembly are described as follows:
Columniform jack shaft has bearing limited step, bearing fit face, circlip slot, wheel hub taper fitting face, half shaft key groove, wheel hub locking screw thread and lockhole.
The bearing limited step of jack shaft carries out axial limiting to the bearing on the bearing fit face be sleeved on jack shaft, is installed with circlip, makes end float misalignment to prevent bearing in circlip slot.
Axle drive shaft taper fitting face flush fit in the wheel hub taper fitting face of jack shaft and wheel hub, makes wheel hub be arranged on jack shaft.
In half shaft key groove of jack shaft and in the wheel hub keyway of wheel hub, flat key is installed, jack shaft and wheel hub are linked together.
The wheel hub locking screw thread of jack shaft end is provided with main shaft packing ring and hexagon slotted nut, wheel hub and wheel rim are arranged on jack shaft, and be inserted with spring cotter in the pin-and-hole of jack shaft end, to lock hexagon slotted nut.
Rear bridge tube assembly is made up of middle pipe, hanger, La Er and flange, flange is set with at middle tube end, flange has fuse-box fixed orifice, by the flange binding bolt installed, flange and fuse-box assembly are installed link together, and in the flange bearing groove of flange, bearing being installed, bearing is also arranged in the fuse-box bearing groove of fuse-box assembly simultaneously.
In rear bridge tube assembly, pipe top is provided with hanger, hanger has leaf spring knock hole, bolt is coated with in leaf spring knock hole, the leaf spring of electro-tricycle is made to be fixed on hanger, shroud ring groove is had at hanger two side bottom, in shroud ring groove, shroud ring is installed, is enclose the leaf spring on hanger by shroud ring.
In rear bridge tube assembly, pipe side is provided with and draws ear, has the lateral pin hole installing lateral pin drawing on two of ear blocks of parallel plates, lateral pin is equipped with back axle micro-adjustable handle rod, to ensure that wheel alignment is used.
The fuse-box of fuse-box assembly is provided with camshaft, camshaft is provided with rocking arm by rocking arm binding bolt and rocking arm clamp nut, after pull bar pulls rocking arm to rotate, make cam axle, cam makes the contact pin of hoof block group open, friction lining is rubbed mutually with the brake surface of wheel hub, realizes the braking to wheel hub, electro-tricycle can be made to realize brake.
The fuse-box of fuse-box assembly is provided with the pivot shaft of supporting hoof block group, pivot shaft is provided with pivot shaft locking
Nut; In fuse-box, there is a circle that the fuse-box bearing groove of bearing is installed, inside fuse-box bearing groove, have bearing dismantling groove, so that folding dress bearing.
Fuse-box also has flange fixed orifice, is coated with flange binding bolt in flange fixed orifice, flange binding bolt is installed in the fuse-box fixed orifice on the flange of rear bridge tube assembly simultaneously, like this, just makes flange and fuse-box install and links together.
Tapered end module mounting groove is had, for installation tapered end module inside fuse-box one end; In tapered end module mounting groove, have tapered end module strengthen positioning groove, to strengthen installing tapered end module locating plate additional in positioning groove in tapered end module, tapered end module is located; The flange of fuse-box also has rivet hole, by the rivet be installed in rivet hole, tapered end module is arranged in the tapered end module mounting groove of fuse-box.
Hoof block group is arranged on the fuse-box of fuse-box assembly, the hoof block fixed plate of hoof block group is provided with friction lining, has support slot in hoof block group side, and for installation pivot shaft use, opposite side is provided with contact pin; Between the left hoof block and right hoof block of hoof block group, extension spring is installed, uses for the left hoof block of the hoof block group after opening and right hoof block reset.
Have a circle axle drive shaft taper fitting face at hub centre, axle drive shaft taper fitting face has the wheel hub of indent
Keyway, is provided with flat key in wheel hub keyway, and flat key is also arranged in half shaft key groove of jack shaft simultaneously, and axle drive shaft semiaxis and wheel hub are linked into an integrated entity.
The wheel rim binding face of the circle of wheel hub has wheel rim fixed orifice, knurled nut is coated with in wheel rim fixed orifice, wheel hub is arranged on wheel rim, and has wheel rim packing ring, wheel rim spring washer and rim nut to be arranged on knurled nut one end, wheel hub is fastened on wheel rim.
The brake surface of the ring shape flange of wheel hub has locked groove, inserts lock pin in locked groove, locking electric tricycle rearmost axle.
Wheel rim also having rim bolt hole, using for installing knurled nut.
Electric tricycle rearmost axle assembly bearing is sealed between flange and fuse-box, gapless between fuse-box and brake wheel, gap uniformity between hoof block group and brake wheel, good braking effect during brake, there will not be interference phenomenon, and in bearing, anhydrous and dust enters, bearing long service life, and easily change.
Accompanying drawing explanation
Fig. 1: the three-dimensional exploded perspective view of electric tricycle rearmost axle assembly 62.
Fig. 2: jack shaft 43 schematic three dimensional views.
Fig. 3: rear bridge tube assembly 48 schematic three dimensional views.
Fig. 4: schematic three dimensional views outside fuse-box assembly 51.
Fig. 5: schematic three dimensional views inside fuse-box assembly 51.
Fig. 6: hoof block group 53 schematic three dimensional views.
Fig. 7: wheel hub 55 three-dimensional outside schematic diagram.
Fig. 8: wheel hub 55 three-dimensional inner side schematic diagram.
Detailed description of the invention
See Fig. 1 and other each views, electric tricycle rearmost axle assembly, it is made up of jack shaft 43, rear bridge tube assembly 48, bearing 49, fuse-box assembly 51, hoof block group 53, wheel hub 55 and wheel rim 56, the bearing fit face 2 of jack shaft 43 is set with bearing 49, bearing 49 be arranged on after in the flange bearing groove 14 of bridge tube assembly 48 and the fuse-box bearing groove 28 of fuse-box assembly 51, in half shaft key groove 5 of jack shaft 43 and the wheel hub keyway 38 of wheel hub 55 by flat key 44 make driving partly drive 43 and wheel hub 55 be connected as a body; Match with the jack shaft taper fitting face 37 of wheel hub 55 in the wheel hub taper fitting face 4 of jack shaft 43; In fuse-box fixed orifice 13 on the flange 12 of rear bridge tube assembly 48 and fuse-box assembly 51 fuse-box 17 on flange fixed orifice 24 in by attaching parts, fuse-box assembly 51 is arranged on after bridge tube assembly 48 flange 12 on; Hoof block group 53 is arranged on the pivot shaft 25 of fuse-box assembly 51, hoof block group 53 and inside the brake surface 42 being positioned at wheel hub 55; Between the wheel rim fixed orifice 39 and the wheel hub fixed orifice of wheel rim 56 of wheel hub 55, by wheel hub wheel rim attaching parts, wheel hub 55 and both wheel rims 56 are linked together.
See Fig. 2, jack shaft 43 has bearing limited step 1, bearing fit face 2, circlip slot 3, wheel hub taper fitting face 4, half shaft key groove 5, wheel hub locking screw thread 6 and pin-and-hole 7.
Bearing limited step 1 and circlip slot 3 is had respectively in bearing fit face 2 arranged on left and right sides of columniform jack shaft 43, at circlip slot 3 built with circlip, circlip 50 in bearing limited step 1 and circlip slot 3 carries out axial limiting, with Anti-moving to the bearing 49 be arranged on bearing fit face 2.
Wheel hub taper fitting face 4 on jack shaft 43 and both jack shaft taper fitting faces 37 flush fit in wheel hub 55, make wheel hub 55 be arranged on jack shaft 43.
Wheel hub in jack shaft taper fitting face 37 in half shaft key groove 5 of jack shaft 43 and in wheel hub 55
Flat key 44 is installed in keyway 38, jack shaft 43 and both wheel hubs 55 are linked together.
The wheel hub locking screw thread 6 of jack shaft 43 end is provided with main shaft packing ring 60 and hexagon slotted nut 61, wheel hub 55 and wheel rim 56 are arranged on after on jack shaft 43, spring cotter 45 is inserted with, to make hexagon slotted nut 61 be locked in jack shaft 43 end in the pin-and-hole 7 of jack shaft 43 end.
See Fig. 3, rear bridge tube assembly 48 is by middle pipe 8, hanger 9, ear 15 and flange 12 is drawn to form integral piece, in middle pipe 8 end sleeve, flange 12 is housed, flange 12 in the fuse-box fixed orifice 13 had and in the flange fixed orifice 24 of fuse-box 17 be coated with flange binding bolt 52, flange binding bolt 52 is provided with flange gasket 47 and flange clamp nut 46, flange 12 and fuse-box assembly 51 are installed link together, flange binding bolt 52, flange gasket 47 and flange clamp nut 46 are the attaching parts between the flange 12 of rear bridge tube assembly 48 and fuse-box assembly 51, in the flange bearing groove 14 of the flange 12 of rear bridge tube assembly 48, be provided with bearing 49, bearing 49 is arranged in the fuse-box bearing groove 28 of fuse-box assembly 51 simultaneously.
In rear bridge tube assembly 48 pipe 8 top hanger 9 on have leaf spring knock hole 10, shroud ring groove 11 is had at hanger 9 liang of side bottoms, be provided with flange 12 in middle pipe 8 end, drawing on ear 15 two blocks of parallel plates that pipe 8 side is installed in rear bridge tube assembly 48 has the lateral pin hole 16 installing lateral pin.
See Fig. 4 and Fig. 5, on the camshaft 23 that fuse-box assembly 51 is provided with, by rocking arm binding bolt 20 and rocking arm clamp nut 21, rocking arm 22 is installed; Fuse-box 17 is provided with the pivot shaft 25 of supporting hoof block group 53, pivot shaft 25 is provided with pivot shaft jam nut 19 and pivot shaft packing ring 18; In fuse-box 17, there is a circle that the fuse-box bearing groove 28 of bearing 49 is installed, inside fuse-box bearing groove 28, have bearing dismantling groove 29; Fuse-box 17 in the flange fixed orifice 24 had be coated with flange binding bolt 52, be installed in the fuse-box fixed orifice 13 on the flange 12 of rear axle assemble 48 simultaneously, flange binding bolt 52 end is provided with flange gasket 47 and flange clamp nut 46, and the flange 12 on rear bridge tube assembly 48 is fastened together with fuse-box 17.
Have tapered end module in tapered end module mounting groove 26 inside fuse-box 17 one end and strengthen positioning groove 30, the flange of fuse-box 17 also has some rivet holes 27.
See Fig. 6, on the hoof block fixed plate 32 being arranged on the hoof block group 53 on fuse-box 17, be arranged on friction lining 35; Have support slot 34 in hoof block group 53 side, opposite side is provided with contact pin 31; At the left hoof block of hoof block group 53 and the hook of right hoof interblock, extension spring 33 is housed.
See Fig. 7 and Fig. 8, the circle axle drive shaft taper fitting face 37 that wheel hub 55 center has has the wheel hub keyway 38 of indent, jack shaft 43 and wheel hub 55 are linked together; The wheel rim binding face 36 of wheel hub 55 circle in the wheel rim fixed orifice 39 had be coated with knurled nut 54, and have wheel rim packing ring 57, wheel rim spring washer 58 and rim nut 59 to be arranged on knurled nut 54 one end, form wheel hub wheel rim attaching parts, wheel hub 55 and both wheel rims 56 are linked into an integrated entity; There is the centering step 41 of a circle evagination at wheel rim binding face 36 center, be arranged in the centering stepped hole at wheel rim 56 center.
On the brake surface 42 of wheel hub 55 ring shape flange, at least have a locked groove 40, for insertion lock pin, locking electric tricycle rearmost axle assembly 62.
As shown in Fig. 1, wheel rim 56 have in rim bolt hole, for installing knurled nut 54.
Claims (10)
1. electric tricycle rearmost axle assembly, it is by jack shaft (43), rear bridge tube assembly (48), bearing (49), fuse-box assembly (51), hoof block group (53), wheel hub (55) and wheel rim (56) composition, it is characterized in that being set with bearing (49) on the bearing fit face (2) of jack shaft (43), bearing (49) is arranged in the flange bearing groove (14) of rear bridge tube assembly (48) and the fuse-box bearing groove (28) of fuse-box assembly (51), in half shaft key groove (5) of jack shaft (43) and the wheel hub keyway (38) of wheel hub (55), make driving partly drive (43) and wheel hub (55) is connected as a body by flat key (44), match with the jack shaft taper fitting face (37) of wheel hub (55) in the wheel hub taper fitting face (4) of jack shaft (43), fuse-box assembly (51) is made to be arranged on the flange (12) of rear bridge tube assembly (48) by attaching parts in flange fixed orifice (24) in fuse-box fixed orifice (13) on the flange (12) of rear bridge tube assembly (48) and on the fuse-box (17) of fuse-box assembly (51), hoof block group (53) is arranged on the pivot shaft (25) of fuse-box assembly (51), hoof block group (53) and be positioned at wheel hub (55) brake surface (42) inner side, between the wheel rim fixed orifice (39) and the wheel hub fixed orifice of wheel rim (56) of wheel hub (55), making wheel hub (55) and wheel rim (56) by wheel hub wheel rim attaching parts, both link together.
2. electric tricycle rearmost axle assembly according to claim 1, it is characterized in that the circlip had respectively in bearing fit face (2) arranged on left and right sides of columniform jack shaft (43) in bearing limited step (1) and circlip slot (3), axial limiting is carried out to the bearing (49) on bearing fit face (2).
3. electric tricycle rearmost axle assembly according to claim 1, it is characterized in that the wheel hub taper fitting face (4) on jack shaft (43) and both flush fits of the jack shaft taper fitting face (37) in wheel hub (55), wheel hub (55) is arranged on jack shaft (43).
4. electric tricycle rearmost axle assembly according to claim 1, it is characterized in that, on the wheel hub locking screw thread (6) of jack shaft (43) end, main shaft packing ring (60) and hexagon slotted nut (61) are installed, wheel hub (55) and wheel rim (56) are arranged on after on jack shaft (43), in the pin-and-hole (7) of jack shaft (43) end, be inserted with spring cotter (45), make hexagon slotted nut (61) be locked in jack shaft (43) end.
5. electric tricycle rearmost axle assembly according to claim 1, it is characterized in that, in middle pipe (8) end sleeve of rear bridge tube assembly (48), flange (12) is housed, flange (12) in the flange fixed orifice (24) in the fuse-box fixed orifice (13) had and on fuse-box (17) the flange binding bolt (52) that is coated with is provided with flange gasket (47) and flange clamp nut (46), becomes the attaching parts between flange (12) on rear bridge tube assembly (48) and fuse-box assembly (51).
6. electric tricycle rearmost axle assembly according to claim 1, it is characterized in that on the hanger (9) on middle pipe (8) top of rear bridge tube assembly (48), having leaf spring knock hole (10), having shroud ring groove (11) at hanger (9) two side bottom, be provided with flange (12) in middle pipe (8) end, drawing on two blocks of parallel plates on ear (15) of installing in middle pipe (8) side has lateral pin hole (16).
7. electric tricycle rearmost axle assembly according to claim 1, it is characterized in that, on the camshaft (23) that is provided with on the fuse-box (17) of fuse-box assembly (51), by rocking arm binding bolt (20) and rocking arm clamp nut (21), rocking arm (22) being installed; Fuse-box (17) is provided with the pivot shaft (25) of supporting hoof block group (53), pivot shaft (25) is provided with pivot shaft jam nut (19); Have tapered end module in tapered end module mounting groove (26) inside fuse-box (17) one end and strengthen positioning groove (30), the flange of fuse-box (17) also has some rivet holes (27).
8. electric tricycle rearmost axle assembly according to claim 1, is characterized in that being provided with friction lining (35) on the hoof block fixed plate (32) of hoof block group (53); Have support slot (34) in hoof block group (53) side, opposite side is provided with contact pin (31); At the left hoof block of hoof block group (53) and right hoof interblock hook, extension spring (33) is housed.
9. electric tricycle rearmost axle assembly according to claim 1, is characterized in that the wheel hub keyway (38) circle jack shaft taper fitting face (37) that has at wheel hub (55) center having indent; The wheel rim binding face (36) that wheel hub (55) is circular in the wheel rim fixed orifice (39) had be coated with knurled nut (54), and have wheel rim packing ring (57), wheel rim spring washer (58) and rim nut (59) to be arranged on knurled nut (54) one end, form wheel hub wheel rim attaching parts, both link into an integrated entity to make wheel hub (55) and wheel rim (56).
10. electric tricycle rearmost axle assembly according to claim 1, is characterized in that at least having a locked groove (40) on the brake surface (42) of wheel hub (55) ring shape flange; Wheel rim (56) has rim bolt hole, for installing knurled nut (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110353797.XA CN103101397B (en) | 2011-11-10 | 2011-11-10 | Electric tricycle rearmost axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110353797.XA CN103101397B (en) | 2011-11-10 | 2011-11-10 | Electric tricycle rearmost axle assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103101397A CN103101397A (en) | 2013-05-15 |
| CN103101397B true CN103101397B (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110353797.XA Active CN103101397B (en) | 2011-11-10 | 2011-11-10 | Electric tricycle rearmost axle assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN103101397B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802603A (en) * | 2014-02-17 | 2014-05-21 | 柳州柳工叉车有限公司 | Drive axle semi-shaft |
| CN105157996A (en) * | 2015-09-01 | 2015-12-16 | 江苏金彭车业有限公司 | Detection apparatus of rear axle of electric tricycle |
| CN108679202A (en) * | 2018-06-20 | 2018-10-19 | 唐泽制动器(天津)有限公司 | A kind of speed changer brake disc assembly |
| WO2022109786A1 (en) * | 2020-11-24 | 2022-06-02 | 江苏金彭集团有限公司 | Integrated rear suspension support and positioning structure for electric vehicle |
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| CN2241640Y (en) * | 1995-12-27 | 1996-12-04 | 安徽省宁国机械工业总公司 | Rear axle of agricultural tricycle carrier vehicle |
| CN2343071Y (en) * | 1998-09-23 | 1999-10-13 | 李剑 | Rear axle assembly for tree-wheel motorcycle |
| CN2372205Y (en) * | 1999-03-29 | 2000-04-05 | 王卫敏 | Agricultural three-wheeled automobile rear axle assembly |
| CN2468803Y (en) * | 2001-03-09 | 2002-01-02 | 五莲县中兴机械制造有限公司 | Rear axle for agricultural vehicle |
| US7293619B2 (en) * | 2003-05-29 | 2007-11-13 | Mitchell Jr Lawrence Carhart | Front wheel motor driven-golf trolley |
| CN202428990U (en) * | 2011-11-10 | 2012-09-12 | 唐泽交通器材(泰州)有限公司 | Rear axle assembly of electro-tricycle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58167202A (en) * | 1982-03-29 | 1983-10-03 | Yamaha Motor Co Ltd | Motor tricycle with baloon tyre |
-
2011
- 2011-11-10 CN CN201110353797.XA patent/CN103101397B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2241640Y (en) * | 1995-12-27 | 1996-12-04 | 安徽省宁国机械工业总公司 | Rear axle of agricultural tricycle carrier vehicle |
| CN2343071Y (en) * | 1998-09-23 | 1999-10-13 | 李剑 | Rear axle assembly for tree-wheel motorcycle |
| CN2372205Y (en) * | 1999-03-29 | 2000-04-05 | 王卫敏 | Agricultural three-wheeled automobile rear axle assembly |
| CN2468803Y (en) * | 2001-03-09 | 2002-01-02 | 五莲县中兴机械制造有限公司 | Rear axle for agricultural vehicle |
| US7293619B2 (en) * | 2003-05-29 | 2007-11-13 | Mitchell Jr Lawrence Carhart | Front wheel motor driven-golf trolley |
| CN202428990U (en) * | 2011-11-10 | 2012-09-12 | 唐泽交通器材(泰州)有限公司 | Rear axle assembly of electro-tricycle |
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| CN103101397A (en) | 2013-05-15 |
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