CN202557236U - Guiding and supporting device and rail-road car - Google Patents
Guiding and supporting device and rail-road car Download PDFInfo
- Publication number
- CN202557236U CN202557236U CN2012201870484U CN201220187048U CN202557236U CN 202557236 U CN202557236 U CN 202557236U CN 2012201870484 U CN2012201870484 U CN 2012201870484U CN 201220187048 U CN201220187048 U CN 201220187048U CN 202557236 U CN202557236 U CN 202557236U
- Authority
- CN
- China
- Prior art keywords
- framework
- support device
- lower body
- guiding support
- upper body
- 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
Images
Landscapes
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The utility model provides a guiding and supporting device and a rail-road car. The guiding and supporting device comprises a framework, a supporting hydraulic cylinder fixedly arranged on the framework, and guiding wheel assemblies respectively arranged on two sides of the framework. Each guiding wheel assembly comprises a connection plate and a guide wheel, a damping device is arranged between the connection plate and the framework and comprises an upper part connected with the framework and a lower part connected with the connection plate, and a transition piece and an elastic piece are arranged between the lower part and the upper part. The transition piece comprises an upper contact plate and a lower contact plate which can rotate horizontally and relatively, the top end of the elastic piece is abutted against the lower contact plate of the transition piece, the bottom end of the elastic piece is abutted against the bottom surface of the lower part, and the upper part is further provided with a locating piece used to locate the lower part in a vertical direction. The guiding and supporting device and the rail-road car can achieve vertical movement of the guide wheel relative to the framework and allow horizontal movement of the guide wheel relative to the framework, and therefore derailment when the rail-road car moves to a turning portion or a turnout junction can be avoided.
Description
Technical field
The utility model relates to vehicle manufacturing technology, relates in particular to a kind of guiding support device and rail-road car.
Background technology
Rail-road car is the auxiliary power towing vehicle of railway transportation, can on highway and railway, go respectively, mainly is divided into steel wheel driving and rubber wheel and drives dual mode.The rail-road car that rubber wheel drives has obtained being widely used owing to advantages such as structure are simple relatively, cost is relatively low.The rail-road car of rubber wheel type of drive; Through on the average highway vehicle, installing guiding support device additional, to be implemented in the operation on the rail, promptly; Regulate the vertical position of car body through the up-down of guiding support device, thereby accomplish the conversion of highway and two kinds of road conditions of railway; When the rail-road car of rubber wheel driving moved on rail, the part of its rubber wheel was pressed on the rail, and rubber wheel friction rail is to produce propulsive effort, and the steel track adjusting wheel in the guiding support device only play the guiding role.
Guiding support device of the prior art comprises: the framework that is used for captiveing joint with the propons or the back axle of car body, be used to go up and down this framework, also can work two supporting cylinders that support the car body effect simultaneously, and be positioned at the track adjusting wheel that the respectively corresponding rail in framework both sides is provided with and form; Each track adjusting wheel is formed and is comprised the connecting panel of captiveing joint with framework; Fixedly be equipped with at least one wheel shaft on the connecting panel; Be arranged with the track adjusting wheel that can rotate around it on the wheel shaft; And in order to make the track adjusting wheel can be closely connected on rail, can between framework and each connecting panel, elastic damping spare be set respectively, for example adopt the air compressed spring; Guarantee that with elastic deformation framework and track adjusting wheel can change in the distance on vertical within the specific limits, prevent that track adjusting wheel from leaving rail (i.e. derailing) through spring.
This vibration damping mode in the prior art; Though can allow the change of vertical distance between car body and the track adjusting wheel, play and produce derailing when preventing to change in the vertical position of car body; Because this shock attenuation unit can not adapted framework and the relative position variation of track adjusting wheel in horizontal surface; Thereby, when on rail, moving to turning or track switch, still be easy to occur derailment occurring; In addition, also be easy to receive the influence from horizontal shock and vibration, the stationarity and the reliability of whole service are not enough.
The utility model content
To above-mentioned defective of the prior art, the utility model provides a kind of guiding support device and rail-road car, to prevent improving the ability of car body opposing lateral impact and vibration simultaneously turning through rail or track switch place generation derailment occurring.
First aspect of the utility model provides a kind of guiding support device; Comprise: be used for the framework of captiveing joint with the propons or the back axle of car body; Be set with at least one on the said framework and be used to support said car body and drive the supporting cylinder that said framework goes up and down, the both sides of said framework are respectively arranged with track adjusting wheel and form; But said track adjusting wheel is formed and is comprised connecting panel and at least one track adjusting wheel that is fixedly connected on the rotation on the connecting panel; Be provided with at least one shock attenuation unit between said connecting panel and the said framework; Said shock attenuation unit comprises upper body of captiveing joint with said framework and the lower body of captiveing joint with said connecting panel; Said upper body is positioned at the top of said lower body, between said lower body and upper body, is provided with transition piece and elastic component; Said transition piece comprises the last contact plate and following contact plate that can horizontally rotate relatively; The top of said elastic component is replaced on the following contact plate of said transition piece, and the bottom of said elastic component is replaced on the bottom surface of said lower body, and also is provided with the locations that is used for the said lower body in vertical location on the said upper body.
Aforesaid guiding support device; Preferably, said upper body is the cylindrical shell that the bottom is provided with opening, and said lower body is the cylindrical shell that the top is provided with opening; The top of said lower body is stretched in the opening of said upper body, and leaves the gap between the sidewall of the sidewall of said upper body and said lower body; Said transition piece and elastic component are arranged in the ccontaining cavity that said upper body and lower body surround, and said transition piece is a thrust baring, and the last thrust washer of said thrust baring is the said contact plate of going up, and the following thrust washer of said thrust baring is said contact plate down.
Aforesaid guiding support device; Preferably; Said locations comprises the radius stay that is fixedly installed on the end face of said upper body; Offer vertical through hole on the bottom surface of said lower body, said radius stay passes said vertical through hole, and the said radius stay bottom that is positioned at said lower body below is fixedly connected with the spacer of a level; On said elastic component and the sheathed said radius stay of said transition piece difference.
Aforesaid guiding support device, preferably, said radius stay is a cylindrical bar, said spacer is spirally connected through first nut and is fixed on the bottom of said radius stay.
Aforesaid guiding support device, preferably, the side of said lower body is set with tie bolt, and said tie bolt cooperates second nut to be spirally connected said lower body and said connecting panel fixing.
Aforesaid guiding support device, preferably, said upper body is spirally connected fixing through the 3rd bolt and said framework.
Aforesaid guiding support device, preferably, said framework comprises the crossbeam of a horizontally set, and is fixedly installed on two longerons that extend longitudinally on the said crossbeam; The front end of said longeron is provided with and is used for fixing the propons that is connected to said car body or the mount pad on the back axle; The two ends of said crossbeam are fixed with the upper body of said shock attenuation unit respectively, and two said connecting panels are separately positioned on the below at said crossbeam two ends, also are provided with trace between two said connecting panels, and the two ends of said trace are hinged with said connecting panel respectively.
Aforesaid guiding support device, preferably, each said connecting panel is provided with two said track adjusting wheels, and said shock attenuation unit is one, between two said track adjusting wheels.
Another aspect of the utility model provides a kind of rail-road car; Comprise: car body, be fixedly connected on as above arbitrary described guiding support device of said car body below; And the framework of said guiding support device is captiveed joint with the propons of said car body or back axle, and the supporting cylinder of said guiding support device is captiveed joint with the bottom surface of said car body.
Guiding support device that the utility model provides and rail-road car; Through shock attenuation unit is set; When allowing the relative framework generation of track adjusting wheel vertical deviation, can also allow the relative framework of track adjusting wheel to horizontally rotate, thereby occur derailing when having avoided car body on rail, to move to turning or track switch; And also improved the ability of resisting lateral impact and vibration in the car body operational process, also can reduce the abrasion of rail the rubber tire of a driving action.
Description of drawings
Fig. 1 is the block diagram of the utility model guiding support device embodiment;
Fig. 2 is the birds-eye view of the guiding support device among Fig. 1;
Fig. 3 be among Fig. 2 A-A to cutaway view.
The specific embodiment
The utility model described " vertical " is meant gravity direction, and the direction that rail extends be " vertically ", and the service direction of rail-road car on rail is called " preceding ", in rail belongs to horizontal surface and vertically and the direction of rail be " laterally ".
Guiding support device is used for fixing on the propons or back axle that is connected the rail-road car car body; When on highway, going; Can framework be risen together with track adjusting wheel through supporting cylinder,, the operation of vehicle cut little ice so that it does not contact with the bottom surface; When rail-road car will be transformed into when going on the railway, can framework be fallen through the elongation of support hydraulic pressure, so that track adjusting wheel contacts with rail, thereby bring into play its directional tagging in the process of moving.
Fig. 1 is the block diagram of the utility model guiding support device embodiment, and Fig. 2 is the birds-eye view of the guiding support device among Fig. 1; Fig. 3 be among Fig. 2 A-A to cutaway view.Please with reference to Fig. 1-3; Present embodiment provides a kind of guiding support device; Comprise: be used for the framework 1 of captiveing joint with the propons or the back axle of car body; Be set with at least one on the framework 1 and be used to support car body and drive the supporting cylinder 11 that framework 1 goes up and down, the corresponding respectively rail in the both sides of framework 1 is provided with track adjusting wheel and forms; But track adjusting wheel is formed and is comprised connecting panel 2 and at least one track adjusting wheel 22 that is fixedly connected on the rotation on the connecting panel 2; Be provided with at least one shock attenuation unit 3 between connecting panel 2 and the framework 1; Shock attenuation unit 3 comprises upper body 31 of captiveing joint with framework 1 and the lower body 32 of captiveing joint with connecting panel 2; Upper body 31 is positioned at the top of lower body 32, between lower body 32 and upper body 31, is provided with transition piece 33 and elastic component 34; Transition piece comprises the last contact plate 331 and following contact plate 332 that can horizontally rotate relatively; The top of elastic component 34 is replaced on the following contact plate 332 of transition piece 33, and the bottom of elastic component 34 is replaced on the bottom surface of lower body 32, and also is provided with the locations 35 that is used for vertical lower body positioned 32 on the upper body 31.
Particularly, framework 1 can be different structure, for example can be tabular, cubic, but preferably adopts framed structure to reduce deadweight; In the present embodiment, preferably, framework 1 can comprise the crossbeam 101 of a horizontally set, and is fixedly installed on two longerons that extend longitudinally 102 on the crossbeam 101; The front end of longeron 102 is provided with and is used for fixing propons or the mount pad on the back axle 103 that is connected to car body, for example, can framework 1 is soldered on the propons or back axle of car body through mount pad 103; The two ends of crossbeam 101 are fixing with the upper body 31 of said shock attenuation unit 3 respectively; Two connecting panels 2 are separately positioned on the below at crossbeam 101 two ends; And shock attenuation unit 3 is captiveed joint with connecting panel 2 through the side or the bottom surface of its lower body 32, and particularly, upper body 31 can be tabular or block with lower body 32; Further, can also be provided with trace 104 between two connecting panels 2, the two ends of trace 104 are hinged with connecting panel 2 respectively, to guarantee two connecting panels 2 keeping parallelism constantly.
Locations on the upper body 31 is mainly used in and limits the maximum vertical distance of lower body 32 with respect to upper body 31, can realize through existing structures such as baffle plates, and avoiding when shock attenuation unit 3 does not bear lateral pressure, lower body 32 separates with upper body 31.
The shock attenuation unit 3 that adopts in the guiding support device that present embodiment provides; Elastic component 34 in it can be constantly be passed to car body to the vertical bearing force of track adjusting wheel 22 via framework with rail; And the vertical deformation that elastic component 34 is provided can compensate the variation of vertical distance between car body and the rail, and track adjusting wheel 22 can not takeoff by the surface of rail; And because the lower body 32 of shock attenuation unit is fixing with track adjusting wheel 22 with connecting panel 2; 31 of upper bodies are fixing with framework 1, under the effect of the lateral pressure that the car body deadweight brings, make upper body 31 be pressed on that transition piece 33, transition piece 33 are pressed on elastic component 34, elastic component 34 is pressed on the lower body 32; Though since under the big vertical force between the following contact plate 332 of elastic component 34 and transition piece 33 since greatly friction force can not or rotate relative to parallel motion; But can horizontally rotate relatively between last contact plate 331 and the following contact plate 332, that is, last contact plate 331 can be relatively relatively rotates with the elastic component 34 of following contact plate direct contact; And lower body 32 is in the same movement state with elastic component 34; Last contact plate 331 captives joint with upper body 31 again, thereby realized that just upper body 31 is with respect to the relatively rotating of lower body 32, like this; When car body is turned; With lower body 32 be fixedly coupled plate 2 and track adjusting wheel 22 just relatively car body relatively rotate, guaranteed that track adjusting wheel 22 can not break away from rail because of the inertia of car body yet through crooked rail the time.
The guiding support device that present embodiment provides when vertical deformation and support are provided, can also be realized track adjusting wheel horizontally rotating with respect to framework; Thereby reached in the derailing that prevents that track adjusting wheel invar track surface height change from causing, simultaneously, occurred the purpose of derailing in the time of can also preventing car body on turn or track switch; And; Improved the ability of resisting lateral impact and vibration in the car body operational process, in addition, can also avoid excessive abrasion the rubber tire that plays driving action.
In another embodiment of the utility model; Shown in Fig. 1-3; Upper body 31 is the cylindrical shell of bottom opening, and lower body 32 is open-topped cylindrical shell, and the top of lower body 32 stretches in the opening of upper body 31; And leave the gap between the sidewall of the sidewall of upper body 31 and lower body 32, so that upper body 31 relative lower bodies 33 do not have friction when horizontally rotating; Transition piece 33 and elastic component 34 are arranged in the ccontaining cavity that upper body 31 and lower body 32 surround, and transition piece 33 is a thrust baring, and the last thrust washer of thrust baring is last contact plate 331, and the following thrust washer of thrust baring is for descending contact plate 332.That is, upper body 31 can all be cylindric with lower body 32, and the inside diameter of the lower body 21 of housing shape can be complementary with elastic component 34, elastic component 34 is played the effect of horizontal location; The top of elastic component 34 is replaced on the surface of the following thrust washer of thrust baring, and thrust baring is resisted against on the end face of upper body 31.
Further; Locations 35 comprises the radius stay 351 that is fixedly installed on 31 end faces of upper body; Offer vertical through hole on the bottom surface of lower body 32, radius stay passes this vertical through hole, and radius stay 351 bottom that is positioned at lower body 32 belows is fixedly connected with the spacer 352 of a level; Elastic component 34 is for being set in the compression spring on the radius stay 351; Thrust baring is set on the radius stay 351.Radius stay 351 can be integral piece with upper body 31, and perhaps, radius stay 351 also can be an independent element, at this moment, on the end face of upper body 31, can offer an installation through holes, and the interference fit through this installation through holes and radius stay 351 is fixed into one with both; The setting of radius stay 351 can be played the horizontal location to elastic component 34, simultaneously, and the vertical location of also can the spacer 352 through being arranged on its bottom realizing to lower body 32; In addition, elastic component 34 and transition piece 33 are arranged in the accommodation space that upper body 31 and lower body 32 surround jointly, can prevent the influence to elastic component 4 and transition piece 33 such as dust, improve functional reliability and service life.
Preferably, as shown in Figure 3, radius stay 351 is a cylindrical bar, and spacer 352 is spirally connected through first nut and is fixed on the bottom of radius stay 351, and being threaded through detouchable fixes spacer, has made things convenient for fitting operation, and daily attention.
Further; The side of lower body 32 is set with tie bolt 321; It is fixing that tie bolt 321 cooperates second nut that lower body 32 and connecting panel 2 are spirally connected, and wherein, tie bolt 321 can be for one-body molded with lower body 32; Also can make, specifically can not limit through the side that bolt is welded and fixed to lower body 32.
Equally, upper body 31 also can be spirally connected fixing with framework 1 through the 3rd bolt 113.
In the utility model one embodiment, preferably as shown in Figure 1, on each connecting panel 2 two track adjusting wheels 22 can be set, shock attenuation unit 3 can be one, between two track adjusting wheels 22, to reach further balance vibration, improves the effect of the servo-actuated performance of car body.
The utility model another embodiment provide a kind of rail-road car; Comprise: car body, be fixedly connected on the described guiding support device of as above arbitrary embodiment of said car body below; And the framework of this guiding support device is captiveed joint with the propons of car body or back axle (for example welding), and the supporting cylinder of guiding support device is captiveed joint (for example welding) with the bottom surface of car body.Wherein, the structure of guiding support device is similar to the above embodiments, repeats no more at this.
What should explain at last is: above each embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (9)
1. guiding support device; Comprise: be used for the framework of captiveing joint with the propons or the back axle of car body; Be set with at least one on the said framework and be used to support said car body and drive the supporting cylinder that said framework goes up and down, the both sides of said framework are respectively arranged with track adjusting wheel and form; But said track adjusting wheel is formed and is comprised connecting panel and at least one track adjusting wheel that is fixedly connected on the rotation on the connecting panel, it is characterized in that,
Be provided with at least one shock attenuation unit between said connecting panel and the said framework, said shock attenuation unit comprises upper body of captiveing joint with said framework and the lower body of captiveing joint with said connecting panel, and said upper body is positioned at the top of said lower body; Between said lower body and upper body; Be provided with transition piece and elastic component; Said transition piece comprises the last contact plate and following contact plate that can horizontally rotate relatively; The top of said elastic component is replaced on the following contact plate of said transition piece, and the bottom of said elastic component is replaced on the bottom surface of said lower body, and also is provided with the locations that is used for the said lower body in vertical location on the said upper body.
2. guiding support device according to claim 1; It is characterized in that; Said upper body is the cylindrical shell that the bottom is provided with opening; Said lower body is the cylindrical shell that the top is provided with opening, and the top of said lower body is stretched in the opening of said upper body, and leaves the gap between the sidewall of the sidewall of said upper body and said lower body; Said transition piece and elastic component are arranged in the ccontaining cavity that said upper body and lower body surround, and said transition piece is a thrust baring, and the last thrust washer of said thrust baring is the said contact plate of going up, and the following thrust washer of said thrust baring is said contact plate down.
3. guiding support device according to claim 1; It is characterized in that; Said locations comprises the radius stay that is fixedly installed on the end face of said upper body; Offer vertical through hole on the bottom surface of said lower body, said radius stay passes said vertical through hole, and the said radius stay bottom that is positioned at said lower body below is fixedly connected with the spacer of a level; On said elastic component and the sheathed said radius stay of said transition piece difference.
4. guiding support device according to claim 3 is characterized in that, said radius stay is a cylindrical bar, and said spacer is spirally connected through first nut and is fixed on the bottom of said radius stay.
5. according to the arbitrary described guiding support device of claim 1 to 4, it is characterized in that the side of said lower body is set with tie bolt, said tie bolt cooperates second nut to be spirally connected said lower body and said connecting panel fixing.
6. according to the arbitrary described guiding support device of claim 1 to 4, it is characterized in that said upper body is spirally connected fixing through the 3rd bolt and said framework.
7. according to the arbitrary described guiding support device of claim 1 to 4, it is characterized in that said framework comprises the crossbeam of a horizontally set, and be fixedly installed on two longerons that extend longitudinally on the said crossbeam; The front end of said longeron is provided with and is used for fixing the propons that is connected to said car body or the mount pad on the back axle; The two ends of said crossbeam are fixed with the upper body of said shock attenuation unit respectively, and two said connecting panels are separately positioned on the below at said crossbeam two ends, also are provided with trace between two said connecting panels, and the two ends of said trace are hinged with said connecting panel respectively.
8. guiding support device according to claim 1 is characterized in that, each said connecting panel is provided with two said track adjusting wheels, and said shock attenuation unit is one, between two said track adjusting wheels.
9. rail-road car; It is characterized in that; Comprise: car body, be fixedly connected on said car body below like each described guiding support device of claim 1 to 8; And the said framework of said guiding support device is captiveed joint with the propons or the back axle of said car body, and the said supporting cylinder of said guiding support device is captiveed joint with the bottom surface of said car body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201870484U CN202557236U (en) | 2012-04-27 | 2012-04-27 | Guiding and supporting device and rail-road car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201870484U CN202557236U (en) | 2012-04-27 | 2012-04-27 | Guiding and supporting device and rail-road car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202557236U true CN202557236U (en) | 2012-11-28 |
Family
ID=47206929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201870484U Expired - Lifetime CN202557236U (en) | 2012-04-27 | 2012-04-27 | Guiding and supporting device and rail-road car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202557236U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658766A (en) * | 2012-04-27 | 2012-09-12 | 齐齐哈尔轨道交通装备有限责任公司 | Guiding supporting device and rail-road car |
| EP3225496A1 (en) * | 2016-03-29 | 2017-10-04 | Unac | Trailing arm for railway axle, railway axle and railway vehicle comprising such a trailing arm |
| CN110509731A (en) * | 2019-08-30 | 2019-11-29 | 中国铁建电气化局集团第五工程有限公司 | A kind of track traveling chassis of rubber-tyred high-altitude operation vehicle |
-
2012
- 2012-04-27 CN CN2012201870484U patent/CN202557236U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658766A (en) * | 2012-04-27 | 2012-09-12 | 齐齐哈尔轨道交通装备有限责任公司 | Guiding supporting device and rail-road car |
| CN102658766B (en) * | 2012-04-27 | 2014-07-02 | 齐齐哈尔轨道交通装备有限责任公司 | Guiding supporting device and rail-road car |
| EP3225496A1 (en) * | 2016-03-29 | 2017-10-04 | Unac | Trailing arm for railway axle, railway axle and railway vehicle comprising such a trailing arm |
| FR3049552A1 (en) * | 2016-03-29 | 2017-10-06 | Unac | AXLE ARM FOR A RAILWAY AXLE, A RAIL AXLE, AND A RAILWAY VEHICLE COMPRISING SUCH A AXLE ARM. |
| CN110509731A (en) * | 2019-08-30 | 2019-11-29 | 中国铁建电气化局集团第五工程有限公司 | A kind of track traveling chassis of rubber-tyred high-altitude operation vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103661468A (en) | Bogie and axle box hanging locating device thereof | |
| CN202557236U (en) | Guiding and supporting device and rail-road car | |
| CN102658766B (en) | Guiding supporting device and rail-road car | |
| CN201405873Y (en) | Damping device used for railway wagon bogie | |
| CN209904755U (en) | Hoisting track robot and quick-assembly and quick-disassembly type bearing guide mechanism thereof | |
| CN201980713U (en) | Pre-tensioning wheel rail type trolley | |
| CN102101446A (en) | Magnetic suspension vehicle and steering mechanism thereof | |
| CN203543990U (en) | Standard track gauge control type railway vehicle bogie | |
| CN109338961B (en) | Energy-saving and environment-friendly road surface cleaning equipment for vehicle | |
| CN201646256U (en) | Novel electric driving wheel connection device | |
| CN201882105U (en) | Novel welding framework type steering frame | |
| CN201249804Y (en) | Master pin adjusting-free device for steering driving axle | |
| CN203623701U (en) | Bogie and axle box suspending and locating device thereof | |
| CN109263677B (en) | Automatic centering train bogie | |
| CN201573667U (en) | Railcar double wheel automatic stop device | |
| CN111703459B (en) | Railway freight car side bearing and railway freight car bogie | |
| CN201646754U (en) | Truck secondary suspension device | |
| CN203974552U (en) | The speed changer suspension system of a kind of heavy-duty highway automobile | |
| CN102632902B (en) | Elastic side bearing, bogie and railway vehicle | |
| CN201907522U (en) | Railway wagon and elastic side bearing and elastic stopper thereof | |
| CN203974553U (en) | A kind of speed changer suspension system of heavy engineering automobile | |
| CN201151407Y (en) | Longitudinal elastic toggle arm device for railway wagon bogie | |
| CN111591314A (en) | Long-stroke non-roller side bearing of railway freight car and bogie | |
| CN201610146U (en) | Shaft clamp structure of mine car | |
| CN113942535B (en) | Device for inhibiting torsional mode vibration of railway vehicle body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |