CN104149803A - Railway vehicle and pedal ladder device thereof - Google Patents
Railway vehicle and pedal ladder device thereof Download PDFInfo
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- CN104149803A CN104149803A CN201410418365.6A CN201410418365A CN104149803A CN 104149803 A CN104149803 A CN 104149803A CN 201410418365 A CN201410418365 A CN 201410418365A CN 104149803 A CN104149803 A CN 104149803A
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- pedal ladder
- bearing pin
- pedal
- ladder device
- ladder body
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000007306 turnover Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention discloses a railway vehicle and pedal ladder device of the railway vehicle. The pedal ladder device comprises a pedal ladder body provided with at least one pedal and further comprises a hinge pin, a first positioning component and a second positioning component, wherein the hinge pin is fixed on a vehicle frame, and the first positioning component and the second positioning component position the pedal ladder body at a first position and a second position. The pedal ladder body can turn over around and slide along the hinge pin, so that conversion between the first position and the second position is achieved, and the pedaling requirement of workers and the vehicle traveling requirement are met. The pedal ladder device is movably connected with the vehicle frame, the conversion between the first position for adapting to the working requirement and the second position for meeting the vehicle traveling requirement of the pedal ladder device is achieved through turning over and sliding, and therefore usage flexibility is improved; moreover, the structural design of the pedal ladder device is not affected by a vehicle gauge; in addition, the first position can be designed properly so that the pedal ladder body can meet the requirements of various types of vehicles; because the pedal ladder device is easily designed to be a standard part, universality is high, and the design cost is reduced.
Description
Technical field
The present invention relates to engineering truck technical field, particularly a kind of rolling stock and pedal ladder device thereof.
Background technology
Pedal ladder device is the appurtenances of rolling stock necessity, while being mainly used in the upper and lower vehicle of operating personal, uses.
For the ease of operating personal, get on or off the bus, the stretcher that pedal ladder device descends single order is most to have certain requirements apart from the height of orbital plane, generally can not surpass 500mm.But special because of rolling stock running and comparing, during rolling stock operation, each parts under any circumstance all can not be invaded in rolling stock clearance [for railway, therefore, pedal ladder device is when design, and integral body must be also in vehicle boundary.
But because of the difference of rolling stock model, the limits criteria of vehicle is corresponding difference also, so the size of pedal can be along with the difference of vehicle structure changes to some extent, need to formulate different pedal ladder devices according to different vehicles is special.
In addition, once the position of pedal ladder device is determined in prior art, will directly be fixed to rolling stock in side or the end of vehicle by riveting and welding.On vehicle, can not move, can bring inconvenience to operator in actual use.
In sum, existing pedal ladder device does not only possess commonality between different model vehicle, and can not regulate because its pedal ladder device is fixing, for same vehicle, under different conveying track state status, can not adjust according to on-the-spot track condition, usually occur descending the stretcher of single order higher than 500mm most, use inconvenient.
Therefore, how to provide a kind of pedal ladder device, this device commonality is more intense, uses more flexibly, is those skilled in that art's technical matterss urgently to be resolved hurrily.
Summary of the invention
Object of the present invention is for providing a kind of rolling stock, pedal ladder device, and this pedal ladder device is movably set on described vehicle frame, and the distance between itself and vehicle boundary is adjustable, has higher commonality and uses alerting ability.
For solving the problems of the technologies described above, the invention provides a kind of pedal ladder device for rolling stock, comprise the pedal ladder body that is provided with at least one stretcher, also comprise the bearing pin being fixed on vehicle frame, and locate described pedal ladder body in the first positioning element and second positioning element of primary importance and the second place, described pedal ladder body can overturn and slide around described bearing pin, realize the conversion of described primary importance and the described second place, to meet staff, trample the requirement with Vehicle Driving Cycle.
When the pedal ladder device when is herein used, by the first positioning element, be located in primary importance, facilitate staff to trample, that is to say, now the afterbody stretcher of pedal ladder device and the distance of track are no more than 500mm, after pedal ladder device is finished using, first remove location pedal ladder body and vehicle frame in the first positioning element of primary importance, pedal ladder body inwardly overturns and slides into the second place around bearing pin, finally use the second positioning element location pedal ladder body and vehicle frame, so that pedal ladder device is positioned at vehicle compass, meet the requirement of Vehicle Driving Cycle.Certainly, when pedal ladder device is converted to primary importance by the second place, only need be by the above step of reverse operating.
Certainly, the control position of ladder can also be further designed to some control positioies, by different positioning elements, pedal ladder body is positioned on vehicle frame, to increase the alerting ability of use.
Pedal ladder device in the present invention is flexibly connected with vehicle frame, and slide and realize the conversion that pedal ladder device adapts to the primary importance of work requirements and meets the second place of Vehicle Driving Cycle by upset, increase and use alerting ability, and the design of this structure pedal ladder device is not subject to the impact of vehicle boundary, and can suitably design primary importance, make pedal ladder body can meet the demand of various, be easy to pedal ladder device to be designed to gauge member, commonality is more intense, and saves design cost.
Preferably, also comprise two risers that are oppositely arranged, described in two, riser is all fixed on described vehicle frame, described bearing pin be arranged at two described between riser, and the both ends of described bearing pin are fixedly connected with the described riser of respective side respectively, described bearing pin is fixedly connected with described vehicle frame by described riser.
Preferably, described the first positioning element comprises the first baffle plate that is arranged at the block on described vehicle frame and is arranged at described pedal ladder body one end; Described block and described bearing pin are arranged up and down, described pedal ladder body is placed between the two, and described the first baffle plate has into the first arm and the second arm that predetermined angular connects, when described pedal ladder body is during in primary importance, described the first arm and described the second arm are clamped in respectively the inner side of described block and described bearing pin.
Preferably, described pedal ladder body comprises the stay bearing plate that is positioned at both sides, and described in each, the two ends of stretcher are connected in the inner side of stay bearing plate described in two, and the quantity of described the first baffle plate is two, and described in two, the first baffle plate is located at respectively the end of stay bearing plate described in two.
Preferably, bearing pin comprises coaxial setting and has the first bearing pin and second bearing pin of preset space length, the non-opposed end of described the first bearing pin and described the second bearing pin is fixedly connected with respectively described the first riser and described the second riser, and described in two, stay bearing plate is respectively around described the first bearing pin.
Preferably, along described bearing pin axially, the length of described the first bearing pin and described the second bearing pin is less than the width of described stay bearing plate.
Preferably, described the second positioning element comprises the second baffle that is arranged at described pedal ladder body the other end, and when described pedal ladder body is during in the second place, described pedal ladder body is against the outside of described block, bearing pin described in described second baffle clamping.
Preferably, the quantity of described block is two, the described stay bearing plate setting of corresponding both sides respectively, and described in two, block coordinates described the first positioning element of formation with described the first baffle plate; Described in two, block coordinates described the second positioning element of formation with described second baffle.
Preferably, when described pedal ladder body is during in primary importance, described pedal ladder body and vertical direction have certain angle, and when described pedal ladder body is during in the second place, described pedal ladder body is vertically arranged under the car beam of described vehicle frame.
Preferably, when described pedal ladder body is during in primary importance, the pedal of described stretcher is parallel with horizontal surface.
In addition, the present invention also provides a kind of rolling stock, comprises vehicle body and is arranged at the pedal ladder device on described vehicle body, and described pedal ladder device is the pedal ladder device described in above-mentioned any one.
Because rolling stock has above-mentioned pedal ladder device, therefore this rolling stock also has the above-mentioned technique effect of pedal ladder.
Accompanying drawing explanation
Fig. 1 is that in a kind of specific embodiment of the present invention, pedal ladder device is installed on the structural representation in primary importance on vehicle frame;
Fig. 2 is that schematic diagram is looked on the right side of pedal ladder device shown in Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is that in a kind of specific embodiment of the present invention, pedal ladder device is installed on the schematic diagram in the second place on vehicle frame;
Fig. 5 is that schematic diagram is looked on the right side of pedal ladder device shown in Fig. 4;
Fig. 6 is B-B cutaway view in Fig. 5.
Wherein, in Fig. 1-6, the one-to-one relationship between component names and Reference numeral is as follows:
Curb girder 10, guide rail 20, pedal ladder body 11, the first stay bearing plate 111, the second stay bearing plate 112, stretcher 113, the first bearing pin 121, the second bearing pin 122, the first baffle plate 131,132, second baffle 141,142, the first block 151, the second block 152, the first riser 21, the second riser 22.
The specific embodiment
Core of the present invention is for providing a kind of rolling stock and pedal ladder device thereof, and this pedal ladder device is movably set on described vehicle frame, and the distance between itself and vehicle boundary is adjustable, has higher commonality and uses alerting ability.
It is example that the pedal ladder device of take is herein installed on rolling stock, introduces technical scheme, it will be understood by those skilled in the art that pedal ladder application of installation provided herein on other rolling stocks also in protection domain herein.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 4, Fig. 1 is that in a kind of specific embodiment of the present invention, pedal ladder device is installed on the structural representation in primary importance on vehicle frame; Fig. 4 is that in a kind of specific embodiment of the present invention, pedal ladder device is installed on the schematic diagram in the second place on vehicle frame.
The invention provides a kind of pedal ladder device for rolling stock, comprise the pedal ladder body 11 that is provided with at least one stretcher 113, also comprise the bearing pin being fixed on vehicle frame, particularly, bearing pin can be fixed on the curb girder 10 of vehicle frame, also can be fixed on other positions of vehicle frame.The bearing pin of take is herein fixed on curb girder 10 introduces technical scheme as example, pedal ladder device in the present invention also comprises that location pedal ladder body 11 is in the first positioning element and second positioning element of primary importance and the second place, pedal ladder body 11 can overturn and slide around bearing pin, realize the conversion of primary importance and the second place, to meet staff, trample the requirement with Vehicle Driving Cycle.
The use state of pedal ladder device is defined as to primary importance herein, to meet staff, tramples, correspondingly, pedal ladder device is defined as to the second place in travel condition of vehicle.
When the pedal ladder device when is herein used, by the first positioning element, be located in primary importance, facilitate staff to trample, that is to say, now the afterbody stretcher 113 of pedal ladder device is no more than 500mm with the distance of track, after pedal ladder device is finished using, first remove location pedal ladder body 11 and curb girder 10 in the first positioning element of primary importance, pedal ladder body 11 inwardly overturns and slides into the second place around bearing pin, finally use the second positioning element location pedal ladder body 11 and curb girder 10, so that pedal ladder device is positioned at vehicle compass, meet the requirement of Vehicle Driving Cycle.Certainly, when pedal ladder device is converted to primary importance by the second place, only need be by the above step of reverse operating.
Certainly, the control position of stretcher 113 can also be further designed to some control positioies, by different positioning elements, pedal ladder body 11 is positioned on curb girder 10, to increase the alerting ability of use.
Pedal ladder device in the present invention is flexibly connected with curb girder 10, and slide and realize the conversion that pedal ladder device adapts to the primary importance of work requirements and meets the second place of Vehicle Driving Cycle by upset, increase and use alerting ability, and the design of this structure pedal ladder device is not subject to the impact of vehicle boundary, and can suitably design primary importance, make pedal ladder body 11 can meet the demand of various, be easy to pedal ladder device to be designed to gauge member, commonality is more intense, and saves design cost.
Bearing pin can be directly fixed on curb girder, also can indirectly be fixed on curb girder 10 by the 3rd parts, has below provided a kind of bearing pin and has indirectly been fixed on the specific embodiment on curb girder.
In a kind of specific embodiment, pedal ladder device can also comprise two risers that are oppositely arranged, succinct for description technique scheme, defining two risers is herein the first riser and the second riser, the first riser and the second riser are all fixed on described vehicle frame, bearing pin is arranged between the first riser and the second riser, and the both ends of bearing pin are fixedly connected with the riser of respective side respectively, and bearing pin is fixedly connected with vehicle frame by riser.The flexible setting that the first riser and the second riser are conducive to pedal ladder is set in this embodiment.
For the concrete structure of bearing pin, can adopt various ways, provided preferred embodiment a kind ofly herein, refer to following.
In conjunction with Fig. 2-3,5-6, Fig. 2 is that schematic diagram is looked on the right side of pedal ladder device shown in Fig. 1; Fig. 3 is the A-A cutaway view of Fig. 2; Fig. 5 is that schematic diagram is looked on the right side of pedal ladder device shown in Fig. 4; Fig. 6 is B-B cutaway view in Fig. 5.Curb girder 10 and pedal ladder device are wherein only shown in Fig. 2 and Fig. 5, and remaining part omits.
In a kind of specific embodiment, pedal ladder body 11 can comprise the stay bearing plate that is positioned at both sides, the two ends of each stretcher 113 are connected in the inner side of two stay bearing plates, bearing pin comprises that the first bearing pin 121 of coaxial setting and the second bearing pin 122, two stay bearing plates overturn and slide around the first bearing pin 121 and the second bearing pin 122 respectively.
In present embodiment, bearing pin is designed to the first bearing pin 121 and the second bearing pin 122, the first bearing pin 121 and the second bearing pin 122 coaxially arrange and have a preset space length, the non-opposed end of the first bearing pin 121 and the second bearing pin 122 is fixedly connected with respectively the first riser 21 and the second riser 22, the stay bearing plate of both sides rotates around the first bearing pin 121 and the second bearing pin 122 respectively, and the first bearing pin 121 of both sides and the second bearing pin 122 all can play to pedal ladder body 11 effect of support, can corresponding increase rotational stability.
A kind of preferred embodiment in, along bearing pin axially, the length of the first bearing pin 121 and the second bearing pin 122 is less than the width of stay bearing plate; It should be noted that, this place state axially exactly, be exactly the first bearing pin 121 and the second bearing pin 122 axially.
In this embodiment, the set-up mode of the length of the first bearing pin 121 and the second bearing pin 122 can suitably alleviate the weight of car body.
Particularly, stay bearing plate is the L-type structure that comprises transverse arm and armstand, and stretcher 113 is placed between the armstand of two stay bearing plates, and transverse arm overturns and slides around the first bearing pin 121 or the second bearing pin 122.The supporting plate structure of this pattern is fairly simple, can adopt standard section, for example, use angle steel, certainly, also can adopt sheet material bending to make.In like manner, the first baffle plate, the second plate washer also can adopt angle steel.
In the various embodiments described above, the first positioning element comprises that the first baffle plate 131, the first baffle plates 131 that are arranged at the block on curb girder 10 and are arranged at pedal ladder body 11 1 ends can be arranged at the end of stay bearing plate; Block and bearing pin are arranged up and down, pedal ladder body 11 is placed between the two, and the first baffle plate 131 has into the first arm 1311 and the second arm 1312 that predetermined angular connects, when pedal ladder body 11 is during in primary importance, the first arm 1311 and the second arm 1312 are clamped in respectively the inner side of block and bearing pin.Wherein block can be fixedly connected with curb girder 10 by welding or other modes.
The quantity of block is two, two blocks are defined as respectively for convenience of description to the first block 151 and the second block 152 herein, the first block 151 and the second block 152 corresponding two stay bearing plate settings respectively, the quantity of the first baffle plate 131 is two ends that are arranged at respectively two stay bearing plates, as shown in Figure 2, the first baffle plate 131 is set on the first stay bearing plate 111, on the second stay bearing plate 112, second baffle 132 is set, the first baffle plate 131 coordinates location with the first block 151, and the second plate washer 132 coordinates location with the second block 152.
It is pointed out that the side towards car body inside is defined as inner side by curb girder herein, correspondingly, the side of curb girder towards car body outside is defined as outside.
A kind of preferred embodiment in, the second positioning element comprises the second baffle that is arranged at pedal ladder body 11 the other end, when pedal ladder body 11 is during in the second place, pedal ladder body 11 is against the outside of block, second baffle clamping bearing pin.
Like this, after pedal ladder device is finished using, only pedal ladder device need be overturn around bearing pin ecto-entad, pedal ladder body 11 upset downwards under its Gravitative Loads is slided, until slide into outside, the second baffle that stay bearing plate is stuck in block, be connected in described bearing pin, pedal ladder device is placed in the inner side of curb girder 10 substantially completely like this.
Certainly, the quantity of second baffle also can be two, as shown in Figure 5, be arranged at the second baffle 141 on the first stay bearing plate 111, be arranged at second baffle 142, the first baffle plates 141 and the first bearing pin 121 clampings, second baffle 142 and the second bearing pin 122 clampings on the second stay bearing plate.
In the various embodiments described above, when pedal ladder body 11 is during in primary importance, pedal ladder body 11 has certain angle with vertical direction, and when pedal ladder body 11 is during in the second place, pedal ladder body 11 is vertically arranged under the curb girder of curb girder 10.
For staff tramples convenient and safety, when pedal ladder body 11 is during in primary importance, the pedal of stretcher 113 is parallel with horizontal surface.
In addition, the present invention also provides a kind of rolling stock, comprises vehicle body and is arranged at the pedal ladder device on vehicle body, on vehicle body, can also be provided with guide rail 20, the setting position of guide rail 20 can be with reference to figure 1, and wherein pedal ladder device is the pedal ladder device described in above-mentioned arbitrary embodiment.
Because rolling stock has above-mentioned pedal ladder device, therefore this rolling stock also has the above-mentioned technique effect of pedal ladder.
The otherwise data of rolling stock please refer to prior art, does not repeat them here.
Above a kind of rolling stock provided by the present invention and pedal ladder device thereof are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (11)
1. the pedal ladder device for rolling stock, comprise the pedal ladder body (111) that is provided with at least one stretcher, it is characterized in that, also comprise the bearing pin being fixed on vehicle frame, and locate described pedal ladder body (111) in the first positioning element and second positioning element of primary importance and the second place, described pedal ladder body (111) can overturn and slide around described bearing pin, realizes the conversion of described primary importance and the described second place.
2. pedal ladder device as claimed in claim 1, it is characterized in that, also comprise two risers that are oppositely arranged, described in two, riser is all fixed on described vehicle frame, described bearing pin be arranged at two described between riser, and the both ends of described bearing pin are fixedly connected with the described riser of respective side respectively, described bearing pin is fixedly connected with described vehicle frame by described riser.
3. pedal ladder device as claimed in claim 2, is characterized in that, described the first positioning element comprises the first baffle plate that is arranged at the block on described vehicle frame and is arranged at described pedal ladder body (111) one ends; Described block and described bearing pin are arranged up and down, described pedal ladder body (111) is placed between the two, and described the first baffle plate has into the first arm and the second arm that predetermined angular connects, when described pedal ladder body (111) is during in primary importance, described the first arm and described the second arm are clamped in respectively the inner side of described block and described bearing pin.
4. pedal ladder device as claimed in claim 3, it is characterized in that, described pedal ladder body (111) comprises the stay bearing plate that is positioned at both sides, described in each, the two ends of stretcher are connected in the inner side of stay bearing plate described in two, the quantity of described the first baffle plate is two, and described in two, the first baffle plate is located at respectively the end of stay bearing plate described in two.
5. pedal ladder device as claimed in claim 3, it is characterized in that, described bearing pin comprises coaxial setting and has the first bearing pin (121) and second bearing pin (122) of preset space length, the non-opposed end of described the first bearing pin (121) and described the second bearing pin (122) is fixedly connected with respectively described the first riser (21) and described the second riser (22), and described in two, stay bearing plate overturns and slides around described the first bearing pin (121) and described the second bearing pin (122) respectively.
6. pedal ladder device as claimed in claim 5, is characterized in that, along described bearing pin axially, the length of described the first bearing pin (121) and described the second bearing pin (122) is less than the width of described stay bearing plate.
7. the pedal ladder device as described in claim 2 to 6 any one, it is characterized in that, described the second positioning element comprises the second baffle that is arranged at described pedal ladder body (111) the other end, when described pedal ladder body (111) is during in the second place, described pedal ladder body (111) is against the outside of described block, bearing pin described in described second baffle clamping.
8. pedal ladder device as claimed in claim 7, is characterized in that, the quantity of described block is two, the described stay bearing plate setting of corresponding both sides respectively, and described in two, block coordinates described the first positioning element of formation with described the first baffle plate; Described in two, block coordinates described the second positioning element of formation with described second baffle.
9. pedal ladder device as claimed in claim 1, it is characterized in that, when described pedal ladder body (111) is during in primary importance, described pedal ladder body (111) has certain angle with vertical direction, when described pedal ladder body (111) is during in the second place, described pedal ladder body (111) is vertically arranged under the car beam of described vehicle frame.
10. pedal ladder device as claimed in claim 9, is characterized in that, when described pedal ladder body (111) is during in primary importance, the pedal of described stretcher is parallel with horizontal surface.
11. 1 kinds of rolling stocks, comprise vehicle body and are arranged at the pedal ladder device on described vehicle body, it is characterized in that, described pedal ladder device is the pedal ladder device described in claim 1 to 10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418365.6A CN104149803B (en) | 2014-08-22 | 2014-08-22 | Rolling stock and pedal ladder device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418365.6A CN104149803B (en) | 2014-08-22 | 2014-08-22 | Rolling stock and pedal ladder device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104149803A true CN104149803A (en) | 2014-11-19 |
| CN104149803B CN104149803B (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410418365.6A Active CN104149803B (en) | 2014-08-22 | 2014-08-22 | Rolling stock and pedal ladder device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104149803B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955787A (en) * | 2017-12-26 | 2019-07-02 | 北京三兴汽车有限公司 | Flip the pedal |
| CN113442962A (en) * | 2021-07-21 | 2021-09-28 | 中车青岛四方机车车辆股份有限公司 | Pedal structure and rail vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0458156A2 (en) * | 1990-05-23 | 1991-11-27 | MAN GHH Schienenverkehrstechnik GmbH | Folding multiple step stair for railway vehicles |
| CN1652955A (en) * | 2001-10-16 | 2005-08-10 | 美国摩托产品股份有限公司 | Retractable vehicle step |
| CN1852825A (en) * | 2003-09-18 | 2006-10-25 | 克诺尔-布里姆斯股份有限公司 | Sliding treadboard |
| CN202703593U (en) * | 2012-06-20 | 2013-01-30 | 南车眉山车辆有限公司 | Railway wagon pedal |
| CN202952993U (en) * | 2012-12-12 | 2013-05-29 | 中国北车集团大连机车车辆有限公司 | Pedal mechanism for locomotive |
| CN203268040U (en) * | 2013-05-22 | 2013-11-06 | 齐齐哈尔轨道交通装备有限责任公司 | Pedal device and railway wagon |
-
2014
- 2014-08-22 CN CN201410418365.6A patent/CN104149803B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0458156A2 (en) * | 1990-05-23 | 1991-11-27 | MAN GHH Schienenverkehrstechnik GmbH | Folding multiple step stair for railway vehicles |
| CN1652955A (en) * | 2001-10-16 | 2005-08-10 | 美国摩托产品股份有限公司 | Retractable vehicle step |
| CN1852825A (en) * | 2003-09-18 | 2006-10-25 | 克诺尔-布里姆斯股份有限公司 | Sliding treadboard |
| CN202703593U (en) * | 2012-06-20 | 2013-01-30 | 南车眉山车辆有限公司 | Railway wagon pedal |
| CN202952993U (en) * | 2012-12-12 | 2013-05-29 | 中国北车集团大连机车车辆有限公司 | Pedal mechanism for locomotive |
| CN203268040U (en) * | 2013-05-22 | 2013-11-06 | 齐齐哈尔轨道交通装备有限责任公司 | Pedal device and railway wagon |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955787A (en) * | 2017-12-26 | 2019-07-02 | 北京三兴汽车有限公司 | Flip the pedal |
| CN113442962A (en) * | 2021-07-21 | 2021-09-28 | 中车青岛四方机车车辆股份有限公司 | Pedal structure and rail vehicle |
| CN113442962B (en) * | 2021-07-21 | 2023-08-15 | 中车青岛四方机车车辆股份有限公司 | A pedal structure and rail vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104149803B (en) | 2016-05-11 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Rail Traffic Equipment Co., Ltd. |