CN210174866U - Top cover device and railway wagon - Google Patents
Top cover device and railway wagon Download PDFInfo
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- CN210174866U CN210174866U CN201920964554.1U CN201920964554U CN210174866U CN 210174866 U CN210174866 U CN 210174866U CN 201920964554 U CN201920964554 U CN 201920964554U CN 210174866 U CN210174866 U CN 210174866U
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Abstract
The utility model relates to a railway transportation technical field especially relates to a top cap device and railway freight car. This top cap device includes: a plurality of cover assemblies for covering the open top of the cargo bed; and a plurality of connecting axles, set up in the uncovered department in the top of goods railway carriage or compartment mutually parallel and slidable, a plurality of connecting axles have two liang of first states that the interval presetted distance and two liang of second states that relatively support by, every both sides of covering the subassembly are connected with two adjacent connecting axles respectively, and when a plurality of connecting axles were in first state, a plurality of top that cover the subassembly and cover the goods railway carriage or compartment was uncovered. Through a plurality of connecting axles change between first state and second state, can make a plurality of covering assemblies cover or open the open-top of goods railway carriage or compartment to can cover the open-top as required in order to protect the goods in the goods railway carriage or compartment. Compare traditional tarpaulin and cover the mode, the utility model discloses a top cap device can fix the setting on the goods railway carriage or compartment, is difficult for dropping, losing, and structural connection is reliable.
Description
Technical Field
The utility model relates to a railway transportation technical field especially relates to a top cap device and railway freight car.
Background
The bulk goods such as coal and the like are mainly transported by vehicles with open type carriages, the open type carriages are cargo carriages which are open upwards without roofs, the number of the cargo carriages in the composition of the trucks is the largest, about 30 more than ten thousand open type carriages are shared by all railways at present, and the number of the open type carriages accounts for more than 50 percent of the total number of the trucks. But raise dust can be produced in the course of transporting the bulk cargo, which affects the environment and causes cargo loss to users. The common method is to cover by tarpaulin, however, the tarpaulin is bound on the carriage when covering the carriage, and is easy to fall off and lose.
SUMMERY OF THE UTILITY MODEL
Accordingly, it is necessary to provide a roof apparatus and a railway wagon, which are directed to the problem that the tarpaulin is easily dropped and lost.
A header assembly comprising:
a plurality of cover assemblies for covering the open top of the cargo bed; and
the cargo compartment comprises a plurality of connecting shafts, wherein the connecting shafts are parallel to each other and can be arranged at the open top of the cargo compartment in a sliding mode, the connecting shafts are provided with a first state with a preset distance at intervals in pairs and a second state with the preset distance in pairs, each covering component is connected with two adjacent connecting shafts at two sides respectively, and when the connecting shafts are in the first state, the covering components cover the open top of the cargo compartment.
In one embodiment, each of the covering assemblies includes a first cover plate and a second cover plate which are hinged together through a hinge structure and have a relatively unfolded state and a relatively folded state, one side of the first cover plate away from the second cover plate is hinged with one connecting shaft, one side of the second cover plate away from the first cover plate is hinged with an adjacent connecting shaft, and when the plurality of connecting shafts are in the first state, the first cover plate and the second cover plate are in the relatively unfolded state.
In one embodiment, the hinge structure comprises a hinge shaft and a plurality of first hinge leaves, the hinge shaft is arranged between the first cover plate and the second cover plate in parallel with the connecting shaft, one end of each first hinge leaf is relatively and fixedly connected to the first cover plate or the second cover plate, the other end of each first hinge leaf is provided with a first hinge hole, and the hinge shaft penetrates through the first hinge hole.
In one embodiment, each of the covering assemblies includes two support shafts respectively connected to both ends of a hinge shaft, the hinge shaft having a hollow tubular structure, one end of the support shaft being inserted into the interior of the hinge shaft in an axial direction of the hinge shaft, and the support shaft being axially fixed with respect to the hinge shaft by a fixing structure.
In one embodiment, the fixing structure includes a first fixing hole provided at a side wall of the hinge shaft, a second fixing hole provided at a side wall of the support shaft corresponding to the first fixing hole, and a fixing member inserted into the first fixing hole and the second fixing hole.
In one embodiment, each of the cover assemblies includes two support wheels rotatably coupled to the two support shafts, respectively.
In one embodiment, the top cover device further comprises a plurality of second hinge leaves, one end of each second hinge leaf is relatively and fixedly connected to one side of the first cover plate or the second cover plate, which is connected with the connecting shaft, the other end of each second hinge leaf is provided with a second hinge hole, and the connecting shaft penetrates through the second hinge holes.
In one embodiment, the roof device further comprises roof side beams installed on two opposite sides of the top opening of the cargo compartment, and two ends of each connecting shaft are slidably arranged on the roof side beams through guide brackets respectively.
In one embodiment, the guide bracket includes a frame for slidably engaging the roof side rail and a roller rollably disposed within the frame, the roller rollably rolling along the roof side rail.
A railway wagon comprises a cargo compartment and a roof device according to any one of the above aspects, wherein the roof device is arranged on the top of the cargo compartment and is used for opening or closing the top opening of the cargo compartment.
The beneficial effects of the utility model include:
the plurality of cover assemblies can cover or uncover the top opening of the cargo compartment by changing the plurality of connecting shafts between the first state and the second state. When a plurality of connecting axles are in the second state, the open-top of goods railway carriage or compartment is opened, can carry out the loading to the goods railway carriage or compartment. When a plurality of connecting axles are in first state, a plurality of subassembly that cover the open top in goods railway carriage or compartment are uncovered, can protect the goods in the goods railway carriage or compartment like this. Compare traditional tarpaulin and cover the mode, the utility model discloses a top cap device can fix the setting on the goods railway carriage or compartment, is difficult for dropping, losing, and structural connection is reliable.
Drawings
Fig. 1 is a schematic application diagram of a top cover device according to an embodiment of the present invention (the top cover device is in a closed state);
FIG. 2 is a schematic view of the structure of FIG. 1 showing the cover assembly in an open position;
FIG. 3 is an enlarged view of a portion of the header assembly of the structure shown in FIG. 1;
FIG. 4 is a schematic view of the covering assembly of the structure shown in FIG. 3;
FIG. 5 is an enlarged partial view of the structure of FIG. 4 at A;
FIG. 6 is a schematic view of the first cover plate of the structure shown in FIG. 4;
FIG. 7 is a side view of the structure of FIG. 6;
FIG. 8 is a schematic view of a second cover plate of the structure shown in FIG. 4;
fig. 9 is a side view of the structure of fig. 8.
Description of reference numerals:
10-a top cover device; 20-a cargo compartment;
100-a cover component;
110-a first cover plate;
120-a second cover plate;
130-supporting shaft;
140-a fixture;
150-a support wheel;
200-a connecting shaft;
300-hinge structure;
310-a hinge axis;
320-a first hinge leaf; 321-a first hinge hole;
400-a second hinge leaf; 410-a second hinge hole;
500-roof side rails;
600-a guide bracket;
610-a frame; 620-roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the top cover device and the railway wagon of the present invention are further described in detail by the following embodiments in combination with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
An embodiment of the utility model provides a pair of top cover device 10, this top cover device 10 are applied to railway freight car, specifically install in the uncovered department in top of goods railway carriage or compartment 20, and top cover device 10 can open or close the uncovered department in top of goods railway freight compartment 20 to make railway freight car can transport the goods that have special requirements to dustproof, rain-proof, prevent wind etc.. When the roof device 10 opens the top of the cargo box 20 to be open, it is possible to load or unload the cargo in the cargo box 20 into or from the cargo box 20. When the roof apparatus 10 closes the open top of the cargo box 20, the railway freight car can achieve reliable transportation of the cargo. Of course, in other embodiments of the present invention, the roof device 10 may be applied to a compartment having an opening such as a road truck.
Referring to fig. 1 to 3, as an implementable manner, the top cover device 10 includes a plurality of cover assemblies 100 and a plurality of connecting shafts 200. A plurality of cover assemblies 100 are used to cover the open top of the cargo bed 20. The plurality of connection shafts 200 are parallel to each other and slidably disposed at the top opening of the cargo box 20, and the plurality of connection shafts 200 have a first state where they are spaced apart by a predetermined distance in pairs and a second state where they are abutted against each other in pairs. Both sides of each covering assembly 100 are respectively connected with two adjacent connecting shafts 200, and when the plurality of connecting shafts 200 are in the first state, the plurality of covering assemblies 100 cover the top opening of the cargo box 20.
A plurality of link shafts 200 are parallel to each other and slidably provided at the top opening of the cargo box 20, and each cover assembly 100 is connected between adjacent two link shafts 200. The plurality of link shafts 200 are slid by an external force, and the cover assemblies 100 are unfolded when the plurality of link shafts 200 are spaced a predetermined distance two by two, so that the plurality of cover assemblies 100 can cover the top opening of the cargo box 20. Conversely, when the plurality of connecting shafts 200 are abutted in pairs, the plurality of cover assemblies 100 open the top of the cargo box 20. Compared with the traditional tarpaulin covering mode, the roof device 10 of the embodiment is fixedly arranged on the cargo compartment 20, is not easy to drop and lose, and has reliable structural connection. And a plurality of connecting axles 200 can take place to slide under the exogenic action to open or cover the open-top of goods railway carriage or compartment 20, easy operation is convenient, and efficiency is higher. It can be understood that the connecting shafts 200 slide under the action of external force, the external force may be applied to the connecting shafts 200 by a driving source such as an electric motor or a hydraulic motor, and the embodiments of the present invention are not limited thereto.
It will be appreciated that the cargo bed 20 generally includes a bed structure having a bottom wall and four peripheral side walls defining an open top. The plurality of connecting shafts 200 may be directly slidably disposed on the open-topped body of the cargo box 20. Referring to fig. 1 and 2, in one embodiment, the roof apparatus 10 further includes roof side members 500 installed at opposite sides of the cargo compartment 20 with the open top, and both ends of each connecting shaft 200 are slidably disposed on the roof side members 500 through guide brackets 600, respectively. The installation of the roof apparatus 10 on the cargo box 20 can be facilitated by providing the roof side members 500. It can be understood that the roof side rails 500 extend along the length direction of the cargo box 20, thereby driving the respective cover assemblies 100 to be unfolded along the length direction of the cargo box 20 through the plurality of connecting shafts 200 to shield the open top of the cargo box 20.
Referring to fig. 3, the guide bracket 600 illustratively includes a frame 610 and rollers 620, the frame 610 for sliding engagement with the roof side rail 500. The roller 620 is rollably disposed in the frame 610, and the roller 620 is rollable along the roof side rail 500. In this embodiment, the frame 610 has a substantially U-shaped configuration, the frame 610 is turned upside down on the roof side rail 500, and the roller 620 is rollably disposed in the frame 610 while the roller 620 is in rolling contact with the top of the roof side rail 500. The sliding direction of the connecting shaft 200 along the extending direction of the roof side rail 500 can be defined by the frame 610, and the opening and closing of the roof apparatus 10 can be ensured. Sliding friction between the frame 610 and the roof side rail 500 can be converted into rolling friction by the rollers 620, thereby reducing opening and closing force of the roof apparatus 10.
Referring to fig. 2, in one embodiment, the roof side rail 500 may include a horizontal guide section disposed along a length direction of the cargo box 20 and vertical guide sections at both ends of the horizontal guide section, the vertical guide sections being transitionally connected to the horizontal guide section. Through designing top roof side rail 500 to be the structure including horizontal guide section and vertical guide section, after a plurality of connecting axles 200 drive each and cover subassembly 100 and fold along the length direction of goods railway carriage or compartment 20, can not shelter from the open top of goods railway carriage or compartment 20 to make the open top of goods railway carriage or compartment 20 opened completely, guarantee the smooth loading of goods.
It should be noted that the cover device 10 of the present invention can be of a split structure or a single-split structure. As shown in fig. 1 and 2, in one embodiment, the roof apparatus 10 is a split structure, and the roof apparatus 10 has two roof units including a plurality of cover assemblies 100 and a plurality of connecting shafts 200, which are respectively disposed at both ends of the cargo compartment 20. As shown in fig. 1, the connecting shafts 200 in each set of roof units can slide to drive the covering assemblies 100 to unfold from the end of the cargo compartment 20 to the middle of the cargo compartment 20, and at this time, the top opening of the cargo compartment 20 can be reliably shielded. As shown in fig. 2, the plurality of connecting shafts 200 in each set of cover units bring the plurality of covering assemblies to fold from the middle of the cargo box 20 to the two ends of the cargo box 20, and the top opening of the cargo box 20 can be fully opened.
Of course, in other embodiments of the present invention, the cover device 10 may have a single-opening structure. The roof device 10 has a set of roof units including a plurality of cover assemblies 100 and a plurality of connecting shafts 200, which are disposed at one end of the cargo box 20. The sliding of the connecting shafts 200 can drive the covering assemblies 100 to be unfolded from one end of the cargo box 20 to the other end, so that the top opening of the cargo box 20 can be reliably shielded. Alternatively, sliding the plurality of connecting shafts 200 can cause the plurality of cover assemblies 100 to fold from one end of the cargo box 20 to the other end, so that the top opening of the cargo box 20 is completely opened.
The covering assembly 100 may have various structural forms. Referring to fig. 3 and 4, in one embodiment, each of the cover assemblies 100 includes a first cover 110 and a second cover 120, the first cover 110 and the second cover 120 being hinged together by a hinge structure 300 and having a relatively unfolded state and a relatively folded state. One side of the first cover plate 110 far away from the second cover plate 120 is hinged with one connecting shaft 200, one side of the second cover plate 120 far away from the first cover plate 110 is hinged with the adjacent connecting shaft 200, and when the connecting shafts 200 are in the first state, the first cover plate 110 and the second cover plate 120 are in a relatively unfolded state. It is understood that the first cover plate 110 and the second cover plate 120 may be made of an aluminum alloy, so that the cover assembly 100 has the advantages of light weight and strong structural strength. In this embodiment, when the plurality of connection shafts 200 are in the first state where they are spaced apart by a predetermined distance, the first cover plate 110 and the second cover plate 120 are relatively unfolded, so that the plurality of cover assemblies 100 can cover the top opening of the cargo box 20. When the plurality of link shafts 200 are in the second state in which two of them are oppositely abutted, the first cover panel 110 and the second cover panel 120 are oppositely folded, so that the top of the cargo box 20 is opened. In other embodiments, the covering assembly 100 may be a cloth covering or other structure that provides shade.
Referring to fig. 6 to 9, in one embodiment, the hinge structure 300 includes a hinge shaft 310 and a plurality of first hinge leaves 320, the hinge shaft 310 being disposed between the first cover plate 110 and the second cover plate 120 in parallel to the connecting shaft 200. One end of each first hinge leaf 320 is relatively fixedly connected to the first cover plate 110 or the second cover plate 120, the other end of each first hinge leaf 320 is provided with a first hinge hole 321, and the hinge shaft 310 penetrates through the first hinge hole 321. The plurality of first hinge leaves 320 are respectively connected to the first cover plate 110 and the second cover plate 120, and the plurality of first hinge leaves 320 are connected by one hinge shaft 310, so that the structure is simplified, and the first cover plate 110 and the second cover plate 120 are conveniently hinged. It is understood that the first hinge leaf 320 can be made of aluminum alloy. The plurality of first hinge leaves 320 may be fixedly coupled to the first cover plate 110 and the second cover plate 120 by riveting. Or a plurality of first hinge leaves 320 may be fixedly connected to the first cover plate 110 and the second cover plate 120 by means of screw connection. In other embodiments, the hinge structure 300 may also include a plurality of hinges, and two blades of each hinge are respectively connected to the first cover plate 110 and the second cover plate 120.
Referring to fig. 3, and fig. 6 to 9, for example, the top cover device 10 further includes a plurality of second hinge leaves 400, one end of each second hinge leaf 400 is relatively and fixedly connected to one side of the first cover plate 110 or the second cover plate 120 connected to the connecting shaft 200, the other end of each second hinge leaf 400 is provided with a second hinge hole 410, and the connecting shaft 200 is inserted into the second hinge hole 410. It is understood that the second hinge leaf 400 can be made of aluminum alloy. In addition, a plurality of second hinge leaves 400 may be fixedly coupled to the first cover plate 110 and the second cover plate 120 by riveting. Or a plurality of second hinge leaves 400 may be fixedly coupled to the first cover plate 110 and the second cover plate 120 by means of screw coupling. The plurality of second hinge leaves 400 are respectively connected to the first cover plate 110 and the second cover plate 120, and the connecting shaft 200 is inserted into the second hinge holes 410 of the plurality of second hinge leaves 400, so that the structure is simplified, and the first cover plate 110 and the connecting shaft 200 are hinged to each other and the second cover plate 120 and the connecting shaft 200 are hinged to each other.
Referring to fig. 4 and 5, in one embodiment, each of the covering assemblies 100 includes two support shafts 130, and the two support shafts 130 are respectively connected to both ends of the hinge shaft 310. The hinge shaft 310 has a hollow tubular structure, and one end of the support shaft 130 is inserted into the interior of the hinge shaft 310 in the axial direction of the hinge shaft 310, and the support shaft 130 is axially fixed with respect to the hinge shaft 310 by a fixing structure. The hinge shaft 310 and the support shaft 130 may be made of steel. The hinge shaft 310 may be a hollow steel pipe structure, and the support shaft 130 may be a solid round steel structure. The support shaft 130, which is an extension of the hinge shaft 310, is used to be caught to the roof side sill 500 at both sides of the open top of the cargo box 20, so that the cover module 100 is prevented from collapsing downward by the support shaft 130 abutting against the roof side sill 500 when the cover module 100 covers the open top of the cargo box 20. Referring to fig. 5, the fixing structure exemplarily includes a first fixing hole provided at a sidewall of the hinge shaft 310, a second fixing hole provided at a sidewall of the support shaft 130 corresponding to the first fixing hole, and a fixing member 140 inserted into the first fixing hole and the second fixing hole. The fixing member 140 may be a screw, a rivet, or a pin, etc. Through the fixing member 140 passing through the first fixing hole and the second fixing hole, the axial fixation of the support shaft 130 relative to the hinge shaft 310 is realized, the structure is simple, and the assembly and disassembly are convenient.
Further, each of the covering assemblies 100 includes two support wheels 150, and the two support wheels 150 are rotatably coupled to the two support shafts 130, respectively. The support wheel 150 may be a solid wheel of polymeric material. By providing the support wheels 150 on the support shaft 130, the frictional force between the support shaft 130 and the roof side rail 500 can be reduced, reducing the opening and closing force of the roof apparatus 10 to some extent.
Referring to fig. 1, the present invention further provides a railway wagon, which includes a cargo compartment 20 and a roof device 10 according to any one of the above aspects. The roof device 10 is provided on the top of the cargo box 20 for opening or closing the top opening of the cargo box 20. The roof device 10 has an open state and a closed state, and after the railway wagon adopts the roof device 10 of the above embodiment, the opening and closing of the top opening of the cargo compartment 20 can be realized, so as to be used for transporting the cargo with special requirements on dust prevention, rain prevention, wind prevention and the like.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A header assembly, comprising:
a plurality of cover assemblies for covering the open top of the cargo bed; and
the connecting shafts are parallel to each other and can be arranged at the open top of the cargo compartment in a sliding mode, the connecting shafts have a first state and a second state, the first state and the second state are spaced at a preset distance in pairs and abut against each other in pairs, two sides of each covering assembly are connected with two adjacent connecting shafts respectively, and when the connecting shafts are in the first state, the covering assemblies cover the open top of the cargo compartment.
2. The overcap device as in claim 1, wherein each of the plurality of cover assemblies includes a first cover panel and a second cover panel hingedly connected together by a hinge structure and having a relatively expanded state and a relatively collapsed state, a side of the first cover panel remote from the second cover panel being hingedly connected to one of the plurality of connecting shafts, a side of the second cover panel remote from the first cover panel being hingedly connected to an adjacent one of the plurality of connecting shafts, the first cover panel and the second cover panel being in the relatively expanded state when the plurality of connecting shafts are in the first state.
3. The top cover device according to claim 2, wherein the hinge structure comprises a hinge shaft and a plurality of first hinge leaves, the hinge shaft is disposed between the first cover plate and the second cover plate in parallel with the connecting shaft, one end of each of the first hinge leaves is relatively fixedly connected to the first cover plate or the second cover plate, the other end of each of the first hinge leaves is provided with a first hinge hole, and the hinge shaft is inserted into the first hinge hole.
4. The capping device as claimed in claim 3, wherein each of the covering assemblies includes two support shafts respectively connected to both ends of the hinge shaft, the hinge shaft having a hollow tubular structure, one end of the support shaft being inserted into the inside of the hinge shaft in an axial direction of the hinge shaft and being axially fixed with respect to the hinge shaft by a fixing structure.
5. The top cover device according to claim 4, wherein the fixing structure comprises a first fixing hole provided at a side wall of the hinge shaft, a second fixing hole provided at a side wall of the support shaft corresponding to the first fixing hole, and a fixing member inserted into the first fixing hole and the second fixing hole.
6. Roof arrangement according to claim 4, characterized in that each of the covering assemblies comprises two support wheels, which are rotatably connected to the two support shafts, respectively.
7. The top cover device of claim 2, further comprising a plurality of second hinge leaves, wherein one end of each second hinge leaf is relatively and fixedly connected to one side of the first cover plate or the second cover plate connected to the connecting shaft, and the other end of each second hinge leaf is provided with a second hinge hole, and the connecting shaft is inserted into the second hinge hole.
8. The roof arrangement of claim 1, further comprising roof side rails mounted on opposite sides of the open top of the cargo compartment, wherein each of the connecting shafts is slidably disposed at opposite ends thereof by guide brackets.
9. The roof arrangement of claim 8, wherein the guide bracket includes a frame for sliding engagement with the roof side rail and a roller rollably disposed within the frame, the roller rollable along the roof side rail.
10. A railway wagon comprising a cargo compartment and a roof device as claimed in any one of claims 1-9, which roof device is arranged on top of the cargo compartment for opening or closing an open top of the cargo compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964554.1U CN210174866U (en) | 2019-06-25 | 2019-06-25 | Top cover device and railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964554.1U CN210174866U (en) | 2019-06-25 | 2019-06-25 | Top cover device and railway wagon |
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| Publication Number | Publication Date |
|---|---|
| CN210174866U true CN210174866U (en) | 2020-03-24 |
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|---|---|---|---|
| CN201920964554.1U Active CN210174866U (en) | 2019-06-25 | 2019-06-25 | Top cover device and railway wagon |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572501A (en) * | 2020-12-15 | 2021-03-30 | 神华铁路装备有限责任公司 | Railway wagon top cover monitoring device and system and railway wagon |
| CN112896210A (en) * | 2020-12-31 | 2021-06-04 | 安徽博微长安电子有限公司 | Large-size light-weight turnable top cover device |
-
2019
- 2019-06-25 CN CN201920964554.1U patent/CN210174866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572501A (en) * | 2020-12-15 | 2021-03-30 | 神华铁路装备有限责任公司 | Railway wagon top cover monitoring device and system and railway wagon |
| CN112896210A (en) * | 2020-12-31 | 2021-06-04 | 安徽博微长安电子有限公司 | Large-size light-weight turnable top cover device |
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Address after: 419, block C, Shenhua building, 16 ande Road, Dongcheng District, Beijing, 100010 Co-patentee after: CRRC Yangtze Co.,Ltd. Patentee after: Shenhua Railway Equipment Co.,Ltd. Address before: 100010 Shenhua Building, 16 Ander Road, Dongcheng District, Beijing, 17 Floors, Block C Co-patentee before: CRRC Yangtze Co.,Ltd. Patentee before: SHENHUA RAIL AND FREIGHT WAGONS TRANSPORT Co.,Ltd. |
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| CP03 | Change of name, title or address |