CN104494612A - Railway wagon - Google Patents
Railway wagon Download PDFInfo
- Publication number
- CN104494612A CN104494612A CN201510003117.XA CN201510003117A CN104494612A CN 104494612 A CN104494612 A CN 104494612A CN 201510003117 A CN201510003117 A CN 201510003117A CN 104494612 A CN104494612 A CN 104494612A
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- CN
- China
- Prior art keywords
- loading part
- tractive unit
- connecting portion
- railway truck
- rotary support
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D3/00—Wagons or vans
- B61D3/16—Wagons or vans adapted for carrying special loads
- B61D3/18—Wagons or vans adapted for carrying special loads for vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D3/00—Wagons or vans
- B61D3/16—Wagons or vans adapted for carrying special loads
- B61D3/18—Wagons or vans adapted for carrying special loads for vehicles
- B61D3/187—Details, e.g. bridges for floor connections
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention discloses a railway wagon. The railway wagon comprises an under-frame and wheels arranged below the under-frame, the under-frame comprises a loading part (10), a first traction part (21) detachably arranged at the first end of the loading part (10), and a second traction part (22) arranged at the second end of the loading part (10), and moreover, the second end of the loading part (10) is connected with the second traction part (22) in a pivotal mode to enable the first end of the loading part (10) to have a first outward swinging position separated from the first traction part (21) and a first recovery position matched with the first traction part (21). By means of the technical scheme, the railway wagon is capable of effectively solving the problem of low loading efficiency of the railway wagon of the prior art.
Description
Technical field
The present invention relates to rolling stock technical field, in particular to a kind of railway truck.
Background technology
At present, road transport is one of major way of China's goods transport.But because road transport affects comparatively large by factors such as weather, landform and night travels, automobile reaches on special railway truck by staff usually, and by railway by automobile transportation to destination.Thisly carry out growing distance by railway, weather-proof transportation mode can reduce energy resource consumption, alleviate the pollution to environment, improve Transport Safety, not only economy but also safe and reliable.
When being transported on-highway motor vehicle by railway, railway truck is led assigned address to loading point by loading circuit by staff usually, and automobile 1 ' is reached the floor 12 ' upper (as shown in Figure 1) of railway truck by platform, complete loading process.After this, by railway by automobile transportation to destination, and automobile to be left down by platform from the floor 12 ' of railway truck, then arrives appointed place voluntarily.
In the lorry loading of above-mentioned transportation mode or the process of unloading, automobile 1 ' can only leave from the end of railway truck or open down.When a row railway truck needs transport many automobiles 1 ', automobile 1 ' can only reach the other end of car team successively from one end of railway truck car team, efficiency of loading lower (as shown in Figure 2).
Summary of the invention
Main purpose of the present invention is to provide a kind of railway truck, to solve the inefficient problem of loading goods train of the prior art.
To achieve these goals, the invention provides a kind of railway truck, comprise underframe and be arranged on the wheel below underframe, underframe comprises loading part, be removably disposed in the first tractive unit of the first end of loading part and be arranged on second tractive unit of the second end of loading part, and the second end of loading part and the second tractive unit can pivotable be connected to make the first end of loading part to have to be separated with the first tractive unit first outer put position and match with the first tractive unit first reclaim position.
Further, loading part first end and the first tractive unit can pivotable be connected to make the second end of loading part to have to be separated with the second tractive unit second outer put position and match with the second tractive unit second reclaim position.
Further, underframe also comprises the first connecting portion, first connecting portion is arranged on the first tractive unit pivotly, and first end and first connecting portion of loading part removably connect, when the first end of loading part is connected with the first connecting portion can with the first connecting portion synchronous axial system.
Further, underframe also comprises the second connecting portion, second connecting portion is arranged on the second tractive unit pivotly, and the second end and second connecting portion of loading part removably connect, when the second end of loading part is connected with the second connecting portion can with the second connecting portion synchronous axial system.
Further, the first connecting portion comprises the first rotary support seat be fixedly installed on the first tractive unit and the first rotary support crossbeam be arranged on pivotly on the first rotary support seat.
Further, the second connecting portion comprises the second rotary support seat be fixedly installed on the second tractive unit and the second rotary support crossbeam be arranged on pivotly on the second rotary support seat.
Further, the first rotary support crossbeam has the first connecting bore, the first end of loading part has second connecting bore corresponding with the first connecting bore, and underframe also comprises the first locating dowel pin be located in the first connecting bore and the second connecting bore.
Further, the second rotary support crossbeam has the 3rd connecting bore, the second end of loading part has four connecting bore corresponding with the 3rd connecting bore, and underframe also comprises the second locating dowel pin be located in the 3rd connecting bore and the 4th connecting bore.
Further, loading part is concave bottom frame.
Further, concave bottom frame comprises interval and arranges and be parallel to each other two curb girders and be arranged on the floor be connected between two curb girders and with the bottom of two curb girders, the first end of two curb girders has the first axial salient relative to floor, second end of two curb girders has the second axial salient relative to floor, first axial salient and the first connecting portion removably connect, and the second axial salient and the second connecting portion removably connect.
Apply technical scheme of the present invention, underframe comprises loading part and is arranged on the first tractive unit and second tractive unit at loading part two ends.Wherein, first end and first tractive unit of loading part removably connect, and the second end of loading part can pivotable be connected with the second tractive unit.When carrying out loading operation to automobile, the first end of loading part by match with the first tractive unit first reclaim position move to be separated with the first tractive unit first outside put position.Now, automobile is reached the loading part of railway truck from the first end of loading part, treat that automobile to be placed on loading part and after coming to a complete stop completely, make the first end of loading part by with the first tractive unit be separated first outer put position move to match with the first tractive unit first reclaim position, thus complete loading process.When a row railway truck needs transport many automobiles, because the loading part on rail wagon base frame is above-mentioned rotating structure, many automobiles can be realized and be loaded on railway truck simultaneously, and without the need to a row railway truck solution being compiled, efficiency of loading is high.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The single vehicle that Fig. 1 shows railway truck in prior art loads schematic diagram;
Fig. 2 shows many lorry loading schematic diagrams of railway truck in prior art;
Fig. 3 shows the schematic diagram of the vehicle gauge in prior art in railway transportation;
Fig. 4 shows the schematic front view of the embodiment according to railway truck of the present invention;
Fig. 5 shows the schematic top plan view of the embodiment of the railway truck of Fig. 4;
The single vehicle that Fig. 6 shows the embodiment of the railway truck of Fig. 4 loads schematic diagram;
Fig. 7 shows many lorry loading schematic diagrams of the embodiment of the railway truck of Fig. 4;
Fig. 8 shows the single vehicle unloading schematic diagram of the embodiment of the railway truck of Fig. 4;
Fig. 9 shows many automobile unloading schematic diagrams of the embodiment of the railway truck of Fig. 4;
Figure 10 shows the cross-sectional schematic of the first connecting portion of the embodiment of the railway truck of Fig. 4; And
Figure 11 shows the cross-sectional schematic of the second connecting portion of the embodiment of the railway truck of Fig. 4.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1 ', automobile; 12 ', floor; 10, loading part; 11, curb girder; 12, floor; 21, the first tractive unit; 22, the second tractive unit; 31, the first connecting portion; 311, the first rotary support crossbeam; 312, the first rotary support seat; 32, the second connecting portion; 321, the second rotary support crossbeam; 322, the second rotary support seat; 41, the first locating dowel pin; 42, the second locating dowel pin.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figures 4 to 7, the railway truck of the present embodiment comprises underframe and is arranged on the wheel below underframe.Wherein, underframe comprises loading part 10, be removably disposed in the first tractive unit 21 of the first end of loading part 10 and be arranged on second tractive unit 22 of the second end of loading part 10, and the second end of loading part 10 and the second tractive unit 22 can pivotable be connected that the first end of loading part 10 is had and be separated with the first tractive unit 21 first outer put position and match with the first tractive unit 21 first reclaim position.
The railway truck of application the present embodiment, underframe comprises loading part 10 and is arranged on first tractive unit 21 and second tractive unit 22 at loading part 10 two ends.Wherein, first end and first tractive unit 21 of loading part 10 removably connect, and the second end of loading part 10 can pivotable be connected with the second tractive unit 22.When carrying out loading operation to automobile, the first end of loading part 10 by match with the first tractive unit 21 first reclaim position move to be separated with the first tractive unit 21 first outside put position.Now, automobile is reached the loading part 10 of railway truck from the first end of loading part 10, treat that automobile to be placed on loading part 10 and after coming to a complete stop completely, make the first end of loading part 10 by with the first tractive unit 21 be separated first outer put position move to match with the first tractive unit 21 first reclaim position, thus complete loading process.When a row railway truck needs transport many automobiles, because the loading part 10 on rail wagon base frame is above-mentioned rotating structure, many automobiles can be realized and be loaded on railway truck simultaneously, and without the need to a row railway truck solution being compiled, efficiency of loading is high.
As shown in Figure 8 and Figure 9, in the railway truck of the present embodiment, the first end of loading part 10 and the first tractive unit 21 can pivotable be connected to make the second end of loading part 10 to have to be separated with the second tractive unit 22 second outer put position and match with the second tractive unit 22 second reclaim position.
Particularly, when carrying out unloading operation to automobile, the second end of loading part 10 by match with the second tractive unit 22 second reclaim position move to be separated with the second tractive unit 22 second outside put position.Now, automobile is outputed the loading part 10 of railway truck from the second end of loading part 10, after treating that loading part 10 outputed completely by automobile, make the second end of loading part 10 by with the second tractive unit 22 be separated second outer put position move to match with the second tractive unit 22 second reclaim position, thus complete uninstall process.When a row railway truck needs transport many automobiles, the automobile that said structure can realize on permutation railway truck unloads simultaneously, and in the uninstall process of automobile, can drive a car forward, carry out car backing operation without the need to chaufeur, reduce vehicle drive difficulty.
In the present embodiment, in process automobile loaded or unloads, wayside equipment (as fork truck etc.) or railway truck can be adopted to carry hydraulic efficiency equipment and the first end of loading part 10 to be moved between the first outer pendulum position and the first recovery position and the second end of loading part 10 is reclaimed between position in the second outer pendulum position and second to move.
As shown in Figure 10, in the railway truck of the present embodiment, underframe also comprises the first connecting portion 31, first connecting portion 31 is arranged on the first tractive unit 21 pivotly, first end and first connecting portion 31 of loading part 10 removably connect, when the first end of loading part 10 is connected with the first connecting portion 31 can with the first connecting portion 31 synchronous axial system.The first end of loading part 10 can be made like this can to removably connect with the first tractive unit 21, can pivotable can be connected with the first tractive unit 21 again.
As shown in figure 11, in the railway truck of the present embodiment, underframe also comprises the second connecting portion 32, second connecting portion 32 is arranged on the second tractive unit 22 pivotly, second end and second connecting portion 32 of loading part 10 removably connect, when the second end of loading part 10 is connected with the second connecting portion 32 can with the second connecting portion 32 synchronous axial system.The second end of loading part 10 can be made like this can to removably connect with the second tractive unit 22, can pivotable can be connected with the second tractive unit 22 again.
Said structure both can realize loading part 10 and rotate around the second tractive unit 22, and the loading or unloading of automobile is carried out from the first end of loading part 10, loading part 10 can be realized again rotate around the first tractive unit 21, and carry out the loading or unloading of automobile from the second end of loading part 10.
As shown in Figure 10, in the railway truck of the present embodiment, the first connecting portion 31 comprises the first rotary support seat 312 be fixedly installed on the first tractive unit 21 and the first rotary support crossbeam 311 be arranged on pivotly on the first rotary support seat 312.First rotary support seat 312 is arranged between the first rotary support crossbeam 311 and the first tractive unit 21, the first rotary support crossbeam 311 effectively can be avoided in rotation process and between the first tractive unit 21 to produce friction drag, make the rotation of the first rotary support crossbeam 311 more smooth.
As shown in figure 11, in the railway truck of the present embodiment, the second connecting portion 32 comprises the second rotary support seat 322 be fixedly installed on the second tractive unit 22 and the second rotary support crossbeam 321 be arranged on pivotly on the second rotary support seat 322.Second rotary support seat 322 is arranged between the second rotary support crossbeam 321 and the second tractive unit 22, the second rotary support crossbeam 321 effectively can be avoided in rotation process and between the second tractive unit 22 to produce friction drag, make the rotation of the second rotary support crossbeam 321 more smooth.
As shown in Figure 10, in the railway truck of the present embodiment, first rotary support crossbeam 311 has the first connecting bore, and the first end of loading part 10 has second connecting bore corresponding with the first connecting bore, and underframe also comprises the first locating dowel pin 41 be located in the first connecting bore and the second connecting bore.The first locating dowel pin 41 in the present embodiment is round pin.Said structure realizes removably connecting between the first end of loading part 10 and the first rotary support crossbeam 311, and structure is simple, easily realizes.Loading part 10 first end by first reclaim position to first outside put before position moves, need the first locating dowel pin 41 to extract, reclaim position move after by the first outer pendulum position to first at the first end of loading part 10, need the first locating dowel pin 41 to plug.
As shown in figure 11, in the railway truck of the present embodiment, second rotary support crossbeam 321 has the 3rd connecting bore, the second end of loading part 10 has four connecting bore corresponding with the 3rd connecting bore, and underframe also comprises the second locating dowel pin 42 be located in the 3rd connecting bore and the 4th connecting bore.The second locating dowel pin 42 in the present embodiment is round pin.Said structure realizes removably connecting between the second end of loading part 10 and the second rotary support crossbeam 321, and structure is simple, easily realizes.Loading part 10 the second end by second reclaim position to second outside put before position moves, need the second locating dowel pin 42 to extract, reclaim position move after by the second outer pendulum position to second at the second end of loading part 10, need the second locating dowel pin 42 to plug.
As shown in Figure 4 and Figure 5, in the railway truck of the present embodiment, loading part 10 is concave bottom frame.
In railway transport course; in order to ensure the safety of automobile on railway line; prevent it from clashing into the building of adjacent lines and equipment, usually to railway truck and the leading dimensions line (chain line shown in Fig. 3 partially illustrates leading dimensions line) that do not allow to surmount can be specified close to the building of circuit, equipment.Above-mentioned leading dimensions line is called railway clearance.Basic railway clearance comprises vehicle gauge and structure clearance.Owing to being subject to the impact of railway clearance, when using railway freight-car transporting automobile, if the size of automobile is comparatively large, the railway truck overall dimensions that automobile is housed is easy to exceed vehicle gauge (as shown in Figure 3).
Because above-mentioned loading part 10 is concave bottom frame, full-sized car can fall in concave bottom after the loading is performed, the height reduction of automobile end face, thus make the railway truck overall dimensions that full-sized car is housed exceed vehicle gauge, realize full-sized car by the long distance of railway, weather-proof transport, save traffic cost, and effectively ensure that transportation safety.
As shown in Figure 4 and Figure 5, in the railway truck of the present embodiment, concave bottom frame comprises interval and arranges and be parallel to each other two curb girders 11 and be arranged on the floor 12 be connected between two curb girders 11 and with the bottom of two curb girders 11, the first end of two curb girders 11 has the first axial salient relative to floor 12, second end of two curb girders 11 has the second axial salient relative to floor 12, first axial salient and the first connecting portion 31 removably connect, and the second axial salient and the second connecting portion 32 removably connect.In the loading carrying out automobile or uninstall process, said structure enables automobile more easily open or opens lower floor 12, reduces driving difficulty.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: when a row railway truck needs transport many automobiles, can realize many automobiles and carry out loading or unloading simultaneously, without the need to a row railway truck solution being compiled, efficiency of loading is high, and in loading or unloading process, all can drive a car forward, carry out car backing operation without the need to chaufeur, reduce vehicle drive difficulty.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a railway truck, comprise underframe and be arranged on the wheel below described underframe, it is characterized in that, described underframe comprises loading part (10), second tractive unit (22) of the first tractive unit (21) being removably disposed in the first end of described loading part (10) and the second end being arranged on described loading part (10), and the second end of described loading part (10) and described second tractive unit (22) can pivotable be connected that the first end of described loading part (10) is had and be separated with described first tractive unit (21) first outer put position and match with described first tractive unit (21) first reclaim position.
2. railway truck according to claim 1, it is characterized in that, the first end of described loading part (10) and described first tractive unit (21) can pivotable be connected that the second end of described loading part (10) is had and be separated with described second tractive unit (22) second outer put position and match with described second tractive unit (22) second reclaim position.
3. railway truck according to claim 1, it is characterized in that, described underframe also comprises the first connecting portion (31), described first connecting portion (31) is arranged on described first tractive unit (21) pivotly, first end and described first connecting portion (31) of described loading part (10) removably connect, when the first end of described loading part (10) is connected with described first connecting portion (31) can with described first connecting portion (31) synchronous axial system.
4. railway truck according to claim 2, it is characterized in that, described underframe also comprises the second connecting portion (32), described second connecting portion (32) is arranged on described second tractive unit (22) pivotly, second end and described second connecting portion (32) of described loading part (10) removably connect, when the second end of described loading part (10) is connected with described second connecting portion (32) can with described second connecting portion (32) synchronous axial system.
5. railway truck according to claim 3, it is characterized in that, described first connecting portion (31) comprises the first rotary support seat (312) be fixedly installed on described first tractive unit (21) and the first rotary support crossbeam (311) be arranged on pivotly on described first rotary support seat (312).
6. railway truck according to claim 4, it is characterized in that, described second connecting portion (32) comprises the second rotary support seat (322) be fixedly installed on described second tractive unit (22) and the second rotary support crossbeam (321) be arranged on pivotly on described second rotary support seat (322).
7. railway truck according to claim 5, it is characterized in that, described first rotary support crossbeam (311) has the first connecting bore, the first end of described loading part (10) has second connecting bore corresponding with described first connecting bore, and described underframe also comprises the first locating dowel pin (41) be located in described first connecting bore and described second connecting bore.
8. railway truck according to claim 6, it is characterized in that, described second rotary support crossbeam (321) has the 3rd connecting bore, second end of described loading part (10) has four connecting bore corresponding with described 3rd connecting bore, and described underframe also comprises the second locating dowel pin (42) be located in described 3rd connecting bore and described 4th connecting bore.
9. the railway truck according to claim 3 or 4, is characterized in that, described loading part (10) is concave bottom frame.
10. railway truck according to claim 9, it is characterized in that, described concave bottom frame comprises interval and arranges and be parallel to each other two curb girders (11) and be arranged on the floor (12) be connected between described two curb girders (11) and with the bottom of described two curb girders (11), the first end of two described curb girders (11) has the first axial salient relative to described floor (12), second end of two described curb girders (11) has the second axial salient relative to described floor (12), described first axial salient and described first connecting portion (31) removably connect, described second axial salient and described second connecting portion (32) removably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003117.XA CN104494612A (en) | 2015-01-05 | 2015-01-05 | Railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003117.XA CN104494612A (en) | 2015-01-05 | 2015-01-05 | Railway wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104494612A true CN104494612A (en) | 2015-04-08 |
Family
ID=52936099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510003117.XA Pending CN104494612A (en) | 2015-01-05 | 2015-01-05 | Railway wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104494612A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169490A (en) * | 2020-02-28 | 2020-05-19 | 中车齐齐哈尔车辆有限公司 | Transverse stopping mechanism of supporting part and piggyback car |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1595573A (en) * | 1968-07-19 | 1970-06-15 | ||
| DE4136055A1 (en) * | 1991-10-29 | 1993-05-06 | Aeg Westinghouse Transport-Systeme Gmbh, 1000 Berlin, De | LOW-FLOOR RAILWAY VEHICLES FOR TRANSPORTING VEHICLES |
| DE19813440A1 (en) * | 1998-03-26 | 1999-10-07 | Asn Cargo Technik Gmbh | On/off loading system for vehicles on railway trucks |
| US6095055A (en) * | 1991-08-21 | 2000-08-01 | Lohr Industrie | Separable rail transport unit for carrying a load, particularly a road unit |
| CN1443128A (en) * | 2000-06-21 | 2003-09-17 | 罗尔工业公司 | Combined railway/road transport car comprising two end platforms supporting pivoting railway structure bearing road car load |
| DE10238406A1 (en) * | 2002-08-22 | 2004-03-11 | Werner Steppat | Arrangement for loading and unloading vehicles onto train carriages uses side-pivoting swivel bridge mounted on carriage next to ramp to allow random loading and unloading |
-
2015
- 2015-01-05 CN CN201510003117.XA patent/CN104494612A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1595573A (en) * | 1968-07-19 | 1970-06-15 | ||
| US6095055A (en) * | 1991-08-21 | 2000-08-01 | Lohr Industrie | Separable rail transport unit for carrying a load, particularly a road unit |
| DE4136055A1 (en) * | 1991-10-29 | 1993-05-06 | Aeg Westinghouse Transport-Systeme Gmbh, 1000 Berlin, De | LOW-FLOOR RAILWAY VEHICLES FOR TRANSPORTING VEHICLES |
| DE19813440A1 (en) * | 1998-03-26 | 1999-10-07 | Asn Cargo Technik Gmbh | On/off loading system for vehicles on railway trucks |
| CN1443128A (en) * | 2000-06-21 | 2003-09-17 | 罗尔工业公司 | Combined railway/road transport car comprising two end platforms supporting pivoting railway structure bearing road car load |
| DE10238406A1 (en) * | 2002-08-22 | 2004-03-11 | Werner Steppat | Arrangement for loading and unloading vehicles onto train carriages uses side-pivoting swivel bridge mounted on carriage next to ramp to allow random loading and unloading |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169490A (en) * | 2020-02-28 | 2020-05-19 | 中车齐齐哈尔车辆有限公司 | Transverse stopping mechanism of supporting part and piggyback car |
| CN111169490B (en) * | 2020-02-28 | 2024-03-15 | 北京驮丰高新科技股份有限公司 | Transverse stop mechanism of support part and piggyback vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Applicant after: CRRC QIQIHAR VEHICLE CO., LTD. Applicant after: BEIJING TF HIGH-TECH CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Applicant before: Qiqihar Railway Rolling Stock Co., Ltd. Applicant before: BEIJING TF HIGH-TECH CO., LTD. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |