CN204279424U - A kind of steering framing wheel is to drive system and the bogie truck applying this system - Google Patents
A kind of steering framing wheel is to drive system and the bogie truck applying this system Download PDFInfo
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- CN204279424U CN204279424U CN201420795231.1U CN201420795231U CN204279424U CN 204279424 U CN204279424 U CN 204279424U CN 201420795231 U CN201420795231 U CN 201420795231U CN 204279424 U CN204279424 U CN 204279424U
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Abstract
The utility model relates to a kind of steering framing wheel to drive system and the bogie truck applying this system, the axletree of the centre hole comprise drive motor, being provided with through described drive motor, be arranged on two wheels of described axletree both sides, in described drive motor both sides, a bearing assembly is set respectively, one of them bearing assembly is location bearing, and another bearing assembly is floating bearing.It is right that the utility model achieves motor direct-drive wheel, without the need to installing gear case and plunging joint, greatly reducing drive system weight, improve energy ecology, reduces noise under car.By arranging location bearing and floating bearing, the transverse shifting of release stators and rotators, decreases the stress between rotor and stator, ensure that the performance of direct driving motor.By the hermetically-sealed construction of bearing, bearing is made to have better sealing effectiveness.
Description
Technical field
The utility model relates to a kind of drive system, and particularly a kind of steering framing wheel is to drive system and the bogie truck applying this system.
Background technology
Wheel is one of indispensable most important parts of motor car bogie to drive system, and the moment drive wheel that motor produces is to axletree, and this is the source that motor-car produces traction power.At present, by structure space and motor heavily quantitative limitation itself, motor speed is higher, and the moment of generation is less, and wheel is lower to rotating speed, and need larger drive torque, this contradiction is solved by gear train assembly; Gearbox pinion is connected with motor output shaft, and big gear wheel is arranged on wheel on axletree, and the little moment of torsion that motor produces Direct driver wheel after reducing gear train system amplifies moment of torsion is right; Owing to adding a gear train assembly, infrastructure cost and life-cycle maintenance intervals cost are increased, reduces driving efficiency, add noise, also make wheel-base bogie strengthen, affect the curving performance of motor-car.
Utility model content
The utility model main purpose is to solve the problem and deficiency, provides a kind of steering framing wheel of Direct driver axletree to drive system.
Another object of the present utility model is the bogie truck providing a kind of this drive system of application
For achieving the above object, the technical solution of the utility model is:
A kind of steering framing wheel is to drive system, the axletree of the centre hole comprise drive motor, being provided with through described drive motor, be arranged on two wheels of described axletree both sides, in described drive motor both sides, a bearing assembly is set respectively, one of them bearing assembly is location bearing, and another bearing assembly is floating bearing.
Further, the roller that bearing assembly comprises outside race, bearing inner ring and is arranged between bearing inner ring and outside race, described outside race is connected with the end cap of described drive motor, described bearing inner ring is connected with described axletree interference, described outside race arranges groove structure, and described roller embeds in described groove.
Further, the side of the bearing inner ring of described location bearing is provided with bulge-structure, and opposite side arranges a back-up ring, and the roller both sides of described location bearing are propped up by described bulge-structure and back-up ring respectively.
Further, the cross sectional shape of the bearing inner ring of described floating bearing is truncated cone-shaped, and the roller of described floating bearing can along axletree longitudinal travel.
Further, in described drive motor both sides, a described end cap is set respectively, described end cap central is provided with the through hole that axletree passes, described end cap axially extends bulge loop structure along axletree, described bearing assembly is arranged between bulge loop structure and axletree, described outside race and described bulge loop anatomical connectivity.
Further, inner seal ring and exterior seal ring is respectively arranged with in described bearing inner ring both sides, described inner seal ring is connected with axletree interference with exterior seal ring, described inner seal ring and end cap are tightly connected by labyrinth structure, described exterior seal ring and a seal cover cap are tightly connected by labyrinth structure, and described seal cover cap is fixedly connected with end cap.
Further, the end section that described end cap contacts with described inner seal ring is "T"-shaped structure, the cross sectional shape of described inner seal ring and described "T"-shaped respective outer side edges, and described inner seal ring is by one jiao of described "T"-shaped structure parcel.
Further, described seal cover cap axially extends the first dome structure and the second dome structure along axletree, and the outer rim of the first dome structure props up described outside race, and outside face and the described exterior seal ring of the second dome structure are tightly connected by labyrinth structure.
Further, described labyrinth structure comprises multiple groove, in groove, arrange seal ring.
Further, between described first dome structure and outside race, be provided with spacer, the side of described spacer props up described outside race, opposite side and described first dome form touch.
Another technical scheme of the present utility model is:
A kind of bogie truck, applies above-mentioned a kind of steering framing wheel to drive system.
To sum up content, a kind of steering framing wheel described in the utility model, to drive system and the bogie truck applying this system, achieves motor direct-drive wheel right, without the need to installing gear case and plunging joint, greatly reduce drive system weight, improve energy ecology, reduce noise under car.By arranging location bearing and floating bearing, the transverse shifting of release stators and rotators, decreases the stress between rotor and stator, ensure that the performance of direct driving motor.By the hermetically-sealed construction of bearing, bearing is made to have better sealing effectiveness.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the I enlarged drawing of Fig. 1;
Fig. 3 is the II enlarged drawing of Fig. 1;
Fig. 4 is application bogie structure schematic diagram of the present utility model;
Fig. 5 is the A face view of Fig. 4;
Fig. 6 is the utility model foundation brake rigging mounting structure schematic diagram.
As shown in Figures 1 to 6, drive motor 1, axletree 2, wheel 3, shell 4, rotor 5, stator 6, left end cap 7, bulge loop structure 7-1, "T"-shaped structure 7-2, right end cap 8, bulge loop structure 8-1, "T"-shaped structure 8-2, location bearing 9, floating bearing 10, outside race 11, bearing inner ring 12, bulge-structure 12-1, roller 13, back-up ring 14, inner seal ring 15, exterior seal ring 16, seal cover cap 17, first dome structure 17-1, second dome structure 17-2, spacer 18, groove 19, seal ring 20, protruding 21, pouring orifice 22, bolt of rear end plate 23, binding bolt 24, framework 25, draw gear 26, foundation brake rigging 27, secondary spring 28, curb girder 29, crossbeam 30, motor trammel beam 31, wheel is to axle box 32, primary spring 33, supporting plate 34, reinforced rib 35, attachment point 36.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
As shown in Figure 1, rail vehicle truck wheel is to drive system, comprise drive motor 1, axletree 2 and wheel 3, a wheel 3 is fixed at axletree 2 two ends respectively, axletree 2 is through the centre hole of drive motor 1, and drive motor 1 is sleeved on axletree 2, make drive motor 1 hang on wheel between, a wheel is set respectively outside two wheels 3 to axle box 32, takes turns and axle box 32 is connected with truck frame 25 by primary spring 33.
Drive motor 1 comprises shell 4, rotor 5, stator 6, left end cap 7 and right end cap 8, in shell 4 both sides, left end cap 7 and right end cap 8 are set, left end cap 7 is fixedly connected with shell 4 by bolt of rear end plate 23 with right end cap 8, and the middle of left end cap 7 and right end cap 8 is equipped with left and right to through manhole.In shell 4, arrange rotor 5 and stator 6, stator 6 is fixedly mounted on shell 4, and rotor 5 is connected with axletree 2 interference fit.
Drive motor 1 is magneto-electric machine, and magneto-electric machine is sleeved on axletree 2 and can rotates by Direct driver axletree 2, eliminates gear case and plunging joint, makes drive system weight saving, improve energy result of use, reduces noise under car.
Between drive motor 1 and two wheels 3, be provided with a bearing assembly, one of them bearing assembly is location bearing 9, and another bearing assembly is floating bearing 10.
As shown in Figures 2 and 3, bearing assembly comprises outside race 11, bearing inner ring 12 and multiple roller 13, and multiple roller 13 is arranged between outside race 11 and bearing inner ring 12.The outside race 11 of location bearing 9 is connected with the right end cap 8 of drive motor 1, the outside race 11 of floating bearing 10 is connected with the left end cap 7 of drive motor 1, outside race 11 is provided with groove structure, and its cross sectional shape is " recessed " shape structure, and roller 13 embeds in groove structure and rotates.Location bearing 9 is all connected with axletree 2 interference fit with the bearing inner ring 12 of floating bearing 10.Left end cap 7 and right end cap 8 are provided with to the pouring orifice 22 of bearing assembly fuel feeding.
As shown in Figure 2, right end cap 8 axially extends bulge loop structure 8-1 along axletree 2, and the cross sectional shape of right end cap 8 is in " ┠ " shape, and one jiao of right end cap 8 " ┠ " shape top is fixedly connected with the shell 4 of drive motor 1 by bolt of rear end plate 23.Location bearing 9 is arranged between bulge loop structure 8-1 and axletree 2, and the outside race 11 of location bearing 9 is connected with the inside face of bulge loop structure 8-1.Bulge loop structure 8-1 is provided with pouring orifice, for giving inner location bearing 9 oiling.
The bearing inner ring 12 of location bearing 9 arranges inner seal ring 15 near the side of drive motor 1, and be back-up ring 14 near the side of wheel 3, the opposite side of back-up ring 14 is exterior seal ring 16, and inner seal ring 15 and exterior seal ring 16 are connected with axletree 2 interference respectively.
Inner seal ring 15 and the right end cap 8 of location bearing 9 are tightly connected by labyrinth structure, the end section that right end cap 8 contacts with inner seal ring 15 is "T"-shaped structure 8-2, namely the one end bottom right end cap 8 " ┠ " shape is "T"-shaped structure 8-2, the cross sectional shape of inner seal ring 15 matches with "T"-shaped structure 8-2, inner seal ring 15, by one of "T"-shaped structure 8-2 jiao of parcel, makes sealing effectiveness better by this structure.
Labyrinth structure is arranged on inner seal ring 15 with on the contact surface of right end cap 8, comprise the multiple grooves 19 be arranged on inner seal ring 15, part recess 19 is arranged on the position contacted with "T"-shaped structure 8-2 top surface, part recess 19 is arranged on the position with "T"-shaped structure 8-2 mono-angular contact, in the groove 19 contacted with "T"-shaped structure 8-2 top surface, seal ring 20 is set, the another side of seal ring 20 props up "T"-shaped structure 8-2 and realizes sealing, one jiao at "T"-shaped structure 8-2 arranges protruding 21, protruding 21 are arranged on groove 19 fitted seal of "T"-shaped structure 8-2 mono-jiao with inner seal ring 15, make inner seal ring 15 and right end cap 8 sealing property better by labyrinth structure.
Also be provided with a seal cover cap 17 at the exterior seal ring 16 of location bearing 9 near the side of wheel 3, exterior seal ring 16 and sealing lid 17 are tightly connected by labyrinth structure.Seal cover cap 17 axially extends two dome structures along axletree 2, be respectively the first dome structure 17-1 and the second dome structure 17-2, the cross section of seal cover cap 17 is " on " character form structure, the outer rim of the first dome structure 17-1 props up outside race 11, and outside face and the exterior seal ring 16 of the second dome structure 17-2 are tightly connected by labyrinth structure.Seal cover cap 17 is arranged on right end cap 8, and seal cover cap 17 is fixed by binding bolt 24 with the bulge loop structure 8-1 of right end cap 8, the first dome structure 17-1 compression axis bearing outer-ring 11 of seal cover cap 17 after fixing.
Spacer 18 is provided with between the first dome structure 17-1 and outside race 11, outside race 11 is propped up in the side of spacer 18, opposite side contacts with the first dome structure 17-1, seal cover cap 17 whether compression axis bearing outer-ring 11 is observed when spacer 18 is for installing seal cover cap 17, when not arranging spacer 18, if seal cover cap 17 leaves gap with bulge loop structure 8-1 after installing, then illustrate that seal cover cap 17 has compressed outside race 11, if but do not stay gap, then cannot judge seal cover cap 17 whether compression axis bearing outer-ring 11, if now add spacer 18 in inside, then can by the thickness of adjustment spacer 18, seal cover cap 17 is made forever and between bulge loop structure 8-1 to leave gap when mounted, this assures seal cover cap 17 compression axis bearing outer-ring 11.
Outside face and the exterior seal ring 16 of the second dome structure 17-2 are tightly connected by labyrinth structure, exterior seal ring 16 arranges multiple groove 19, in groove 19, arrange seal ring 20, the another side of seal ring 20 props up the outside face realization sealing of the second dome structure 17-2.
As shown in Figure 2, the side of the bearing inner ring 12 of location bearing 9 is provided with bulge-structure 12-1, the side arranging bulge-structure 12-1 is the side of close drive motor 1, arrange a back-up ring 14 at the opposite side of the bearing inner ring 12 of location bearing 9, the side arranging back-up ring 14 is the side of close wheel 3.Bearing inner ring 12 cross sectional shape of location bearing 9 is " L " shape, its bulge-structure 12-1 props up the one side of roller 13 near drive motor 1, the cross sectional shape of back-up ring 14 is inverted "L" shaped, back-up ring 14 blocks and on the bearing inner ring 12 of location bearing 9, the one side of roller 13 near wheel 3 is propped up, the shape of back-up ring 14 and mounting structure can make roller 13 can not displacement on the one hand, facilitate roller 13 installing/dismounting on the other hand.By the cross sectional shape design of the bearing inner ring 12 of location bearing 9 and the setting of back-up ring 14, limit all degree of freedom except self axial rotation of roller 13, make the roller 13 in location bearing 9 along the axial sway of axletree 2, the located lateral of motor can not be achieved.
As shown in Figure 3, left end cap 7 axially extends bulge loop structure 7-1 along axletree 2, and the cross sectional shape of left end cap 7 is in " ┨ " shape, and the one end at left end cap 7 " ┨ " shape top is fixedly connected with the shell 4 of drive motor 1 by bolt of rear end plate 23.Floating bearing 10 is arranged between bulge loop structure 7-1 and axletree 2, and the outside race 11 of floating bearing 10 is connected with the inside face of bulge loop structure 7-1.Bulge loop structure 7-1 is provided with pouring orifice, for giving inner floating bearing 10 oiling.
The both sides of the bearing inner ring 12 of floating bearing 10 are respectively arranged with inner seal ring 15 and exterior seal ring 16, and inner seal ring 15 is near drive motor 1 side, and exterior seal ring 16 is near wheel 3 side, and inner seal ring 15 and exterior seal ring 16 are connected with axletree 2 interference respectively.
Inner seal ring 15 and the left end cap 7 of floating bearing 10 are tightly connected by labyrinth structure, the end section that left end cap 7 contacts with inner seal ring 15 is "T"-shaped structure 7-2, namely the one end bottom left end cap 7 " ┨ " shape is "T"-shaped structure 7-2, the cross sectional shape of inner seal ring 15 matches with "T"-shaped structure 7-2, inner seal ring 15, by one of "T"-shaped structure 7-2 jiao of parcel, makes sealing effectiveness better by this structure.
Labyrinth structure is arranged on inner seal ring 15 with on the contact surface of left end cap 7, comprise the multiple grooves 19 be arranged on inner seal ring 15, part recess 19 is arranged on the position contacted with "T"-shaped structure 7-1 top surface, part recess 19 is arranged on the position with "T"-shaped structure 7-1 mono-angular contact, in the groove 19 contacted with "T"-shaped structure 7-1 top surface, seal ring 20 is set, the another side of seal ring 20 props up "T"-shaped structure 7-1 and realizes sealing, one jiao at "T"-shaped structure 7-1 arranges protruding 21, protruding 21 are arranged on groove 19 fitted seal of "T"-shaped structure 7-1 mono-jiao with inner seal ring 15, make inner seal ring 15 and left end cap 7 sealing property better by labyrinth structure.
Also be provided with a seal cover cap 17 at the exterior seal ring 16 of floating bearing 10 near the side of wheel 3, exterior seal ring 16 and sealing lid 17 are tightly connected by labyrinth structure.Seal cover cap 17 axially extends two dome structures along axletree 2, be respectively the first dome structure 17-1 and the second dome structure 17-2, the cross section of seal cover cap 17 is " on " character form structure, the outer rim of the first dome structure 17-1 props up outside race 11, and outside face and the exterior seal ring 16 of the second dome structure 17-2 are tightly connected by labyrinth structure.Seal cover cap 17 is arranged on left end cap 7, and seal cover cap 17 is fixed by binding bolt 24 with the bulge loop structure 7-1 of left end cap 7, the first dome structure 17-1 compression axis bearing outer-ring 11 of seal cover cap 17 after fixing.
Spacer 18 is provided with between the first dome structure 17-1 and outside race 11, outside race 11 is propped up in the side of spacer 18, opposite side contacts with the first dome structure 17-1, seal cover cap 17 whether compression axis bearing outer-ring 11 is observed when spacer 18 is for installing seal cover cap 17, when not arranging spacer 18, if seal cover cap 17 leaves gap with bulge loop structure 7-1 after installing, then illustrate that seal cover cap 17 has compressed outside race 11, if but do not stay gap, then cannot judge seal cover cap 17 whether compression axis bearing outer-ring 11, if now add spacer 18 in inside, then can by the thickness of adjustment spacer 18, seal cover cap 17 is made forever and between bulge loop structure 7-1 to leave gap when mounted, this assures seal cover cap 17 compression axis bearing outer-ring 11.
Outside face and the exterior seal ring 16 of the second dome structure 7-2 are tightly connected by labyrinth structure, exterior seal ring 16 arranges multiple groove 19, in groove 19, arrange seal ring 20, the another side of seal ring 20 props up the outside face realization sealing of the second dome structure 17-2.
As shown in Figure 3, the cross sectional shape of the bearing inner ring 12 of floating bearing 10 is truncated cone-shaped, roller 13 contacts with the upper surface of truncated cone-shaped, roller 13 can along the axial sway of axletree 2, bearing inner ring 12 cross sectional shape of floating bearing 10 is chosen as the truncated cone-shaped that there is chamfering both sides, and not simple surface is the cylindrical of straight line, is mainly and prevents from, because there is burr after straight line manufacturing tolerance or processing, the left and right displacement of roller 13 being obstructed.Because drive motor 1 suit is suspended on axletree 2, the own wt of drive motor 1 makes axletree 2 have certain amount of deflection, so just make to produce stress between the rotor 5 that is connected with axletree 2 interference and the stator 6 be fixedly connected with motor housing 4, the roller 13 of floating bearing 10 produces left and right displacement in the lump and between bearing inner ring 12 together with the outside race 11 of floating bearing 10, seal cover cap 17 and left end cap 7, the transverse shifting of release stator 6 and rotor 5, decrease the stress between rotor 5 and stator 6, ensure that the performance of direct driving motor.
Left end cap 7 and seal cover cap 17 shape and the contact form with floating bearing 10 and interior exterior seal ring are set, make left end cap 7, seal cover cap 17 can with the cross travel of roller 13, thus the stress between release rotor 5 and stator 6.
The exterior seal ring 16 of floating bearing 10 adopts seal ring 20 form with the labyrinth structure of seal cover cap 17, and the forms not adopting projection 21 to coordinate with groove 19, be also conveniently left end cap 7, seal cover cap 17 with the cross travel of roller 13.
As shown in Figure 4 and Figure 5, a kind ofly apply the bogie truck of above-mentioned wheel to drive system, this bogie truck comprises framework 25, the draw gear 26 be arranged on framework 25, foundation brake rigging 27, secondary spring 28 and wheel be to actuating device.
Framework 25 is H type welded frame, comprise two curb girders, 29, two crossbeams, 30, two crossbeams 30 to be welded in the middle of curb girder 29 and to be connected by two curb girders 29, curb girder 29 is box welded structure, arrange secondary spring 28 at curb girder 29 centre portion, secondary spring 28 adopts air bellow.
As shown in Figure 6, one block of supporting plate 34 is fixed with in the bottom of curb girder 29, foundation brake rigging 27 is fixed on supporting plate 34 and curb girder 29, supporting plate 34 is weldingly fixed on bottom curb girder 29, specifically be welded on the position of bottom near inner side of curb girder 29, namely near the side of draw gear 26, polylith reinforced rib 35 is welded with between bottom supporting plate 34 and curb girder 29, for improving supporting plate 34 intensity.Riser inside curb girder 29 is arranged an attachment point 36, supporting plate 34 is provided with three attachment points 36, be arranged on attachment point 36 on curb girder 29 for all to offer through hole in curb girder 29 vertical plates on both sides, be arranged on attachment point 36 on supporting plate 34 for being opened in the through hole on supporting plate 34, a side of foundation brake rigging 27 is provided with four tapped bore, through above-mentioned through hole, foundation brake rigging 27 is fixed on curb girder 29 and supporting plate 34 by four bolts.By the fixed form of foundation brake rigging, reduce the load of crossbeam, make the stressed more reasonable of framework.Foundation brake rigging is tread brake device.
Drive motor 1 is connected with crossbeam 30 by motor trammel beam 31, and take turns to arranged outside wheel to axle box 32, take turns and be connected by the end of primary spring 33 with curb girder 29 axle box 32, primary spring 33 is laminated rubber spring.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solutions of the utility model, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (11)
1. a steering framing wheel is to drive system, the axletree of the centre hole comprise drive motor, being provided with through described drive motor, be arranged on two wheels of described axletree both sides, it is characterized in that: in described drive motor both sides, a bearing assembly is set respectively, one of them bearing assembly is location bearing, and another bearing assembly is floating bearing.
2. a kind of steering framing wheel according to claim 1 is to drive system, it is characterized in that: the roller that described bearing assembly comprises outside race, bearing inner ring and is arranged between bearing inner ring and outside race, described outside race is connected with the end cap of described drive motor, described bearing inner ring is connected with described axletree interference, described outside race arranges groove structure, and described roller embeds in described groove.
3. a kind of steering framing wheel according to claim 2 is to drive system, it is characterized in that: the side of the bearing inner ring of described location bearing is provided with bulge-structure, opposite side arranges a back-up ring, and the roller both sides of described location bearing are propped up by described bulge-structure and back-up ring respectively.
4. a kind of steering framing wheel according to claim 2 is to drive system, it is characterized in that: the cross sectional shape of the bearing inner ring of described floating bearing is truncated cone-shaped, and the roller of described floating bearing can along axletree longitudinal travel.
5. a kind of steering framing wheel according to any one of claim 2 to 4 is to drive system, it is characterized in that: in described drive motor both sides, a described end cap is set respectively, described end cap central is provided with the through hole that axletree passes, described end cap axially extends bulge loop structure along axletree, described bearing assembly is arranged between bulge loop structure and axletree, described outside race and described bulge loop anatomical connectivity.
6. a kind of steering framing wheel according to claim 2 is to drive system, it is characterized in that: be respectively arranged with inner seal ring and exterior seal ring in described bearing inner ring both sides, described inner seal ring is connected with axletree interference with exterior seal ring, described inner seal ring and end cap are tightly connected by labyrinth structure, described exterior seal ring and a seal cover cap are tightly connected by labyrinth structure, and described seal cover cap is fixedly connected with end cap.
7. a kind of steering framing wheel according to claim 6 is to drive system, it is characterized in that: the end section that described end cap contacts with described inner seal ring is "T"-shaped structure, the cross sectional shape of described inner seal ring and described "T"-shaped respective outer side edges, described inner seal ring is by one jiao of described "T"-shaped structure parcel.
8. a kind of steering framing wheel according to claim 6 is to drive system, it is characterized in that: described seal cover cap axially extends the first dome structure and the second dome structure along axletree, the outer rim of the first dome structure props up described outside race, and outside face and the described exterior seal ring of the second dome structure are tightly connected by labyrinth structure.
9. a kind of steering framing wheel according to claim 6 is to drive system, it is characterized in that: described labyrinth structure comprises multiple groove, in groove, arrange seal ring.
10. a kind of steering framing wheel according to claim 8 is to drive system, it is characterized in that: between described first dome structure and outside race, be provided with spacer, the side of described spacer props up described outside race, opposite side and described first dome form touch.
11. 1 kinds of bogie trucks, is characterized in that: comprise a kind of steering framing wheel as described in any one of claim 1 to 10 to drive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795231.1U CN204279424U (en) | 2014-12-15 | 2014-12-15 | A kind of steering framing wheel is to drive system and the bogie truck applying this system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795231.1U CN204279424U (en) | 2014-12-15 | 2014-12-15 | A kind of steering framing wheel is to drive system and the bogie truck applying this system |
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| Publication Number | Publication Date |
|---|---|
| CN204279424U true CN204279424U (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420795231.1U Withdrawn - After Issue CN204279424U (en) | 2014-12-15 | 2014-12-15 | A kind of steering framing wheel is to drive system and the bogie truck applying this system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204279424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527661A (en) * | 2014-12-15 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Bogie wheel set driving system and bogie with same |
-
2014
- 2014-12-15 CN CN201420795231.1U patent/CN204279424U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527661A (en) * | 2014-12-15 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Bogie wheel set driving system and bogie with same |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20170405 |
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| AV01 | Patent right actively abandoned |