CN216046882U - Winding gas cylinder tube bundle type container and long tube trailer for highway and railway combined transportation - Google Patents
Winding gas cylinder tube bundle type container and long tube trailer for highway and railway combined transportation Download PDFInfo
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- CN216046882U CN216046882U CN202122341249.7U CN202122341249U CN216046882U CN 216046882 U CN216046882 U CN 216046882U CN 202122341249 U CN202122341249 U CN 202122341249U CN 216046882 U CN216046882 U CN 216046882U
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Abstract
The utility model discloses a winding gas cylinder tube bundle container and a long tube trailer for road and railway combined transportation, wherein the long tube trailer comprises a second type chassis provided with a connecting support and the winding gas cylinder tube bundle container fixed on the second type chassis; the winding gas cylinder tube bundle type container comprises a container body and a tube bundle type winding gas cylinder group arranged in the container body, wherein the container body comprises an octagonal frame body and a frame connecting support fixed at the bottom of the octagonal frame body, one end of the octagonal frame body is connected with a front end plate through an angle steel baffle, the other end of the octagonal frame body is provided with a rear box door, and a rear end plate which is abutted against the octagonal frame body is fixed at a position close to the rear box door; the tube bundle type winding gas cylinder group is composed of seven winding gas cylinders arranged in a plum blossom shape, one end of each winding gas cylinder is fixed on the front end plate through a connecting flange, and the other end of each winding gas cylinder is fixed on the rear end plate through an anti-rotation assembly. The utility model reduces the turning radius of the long-tube trailer and improves the trafficability characteristic; the winding gas cylinders are arranged annularly, so that the space utilization rate is improved.
Description
Technical Field
The utility model relates to the technical field of gas storage equipment, in particular to a gas cylinder tube bundle winding type container and a long tube trailer for road and railway combined transportation.
Background
Helium is extremely rare and non-renewable on the earth, is known as gas rare earth, is one of important elements in the high-tech manufacturing field, is widely applied to the fields of military industry, aerospace, scientific research, petrifaction, refrigeration, medical treatment, semiconductors, superconducting experiments, high-precision welding, photoelectronic product production and the like, and has extremely high strategic position.
Helium mainly transports through long-tube trailer and tube bundle container, and current steel bottle tube bundle container and long-tube trailer have two kinds:
one type is a tube bundle type container or a long tube trailer assembled by large-volume steel seamless gas cylinders, the tube bundle type container or the long tube trailer assembled by 6-10 large-volume steel seamless gas cylinders with nominal working pressure of 20MPa and thickness of more than 16.5-21.2 mm is adopted at present, and the overall length and size are roughly divided into two specifications of 20 feet and 40 feet. This approach often results in the tube bundle container or tube trailer being too heavy and having a large weight-to-volume ratio. In order to seek larger filling amount, the whole length of the tube bundle type container or the long tube trailer is usually 40 feet, the overlong size causes high requirements on road environment in the transportation process, the matched general-purpose vehicle frame has certain passing difficulty in narrow road sections and uneven road sections, the passing performance is poor, the limitation of the shape and the size of a tunnel is caused, the whole vehicle cannot be transported for a long distance through a railway flat car, the weight is near the specified upper limit of road transportation, and the transportation cost is higher.
One type is a tube bundle container assembled by small-volume wound gas cylinders, the small-volume wound gas cylinders with the volume of 30-450L are generally assembled into the tube bundle container, and because the number of the gas cylinders and the number of valves of the tube bundle container assembled in this way are more, pipeline welding spots or connection points are increased, so that inconvenience in operation and periodic inspection is caused, the number of leakage points is increased, and the risk in the operation process is increased.
The specification with publication number CN 110792916 a discloses a tube bundle container for transporting high-pressure gas, which comprises a container body and a tube bundle gas cylinder group installed in the container body, wherein the tube bundle gas cylinder group is integrated with a plurality of tube bundle gas cylinders which are communicated with each other and used for storing the high-pressure gas; the container body is internally provided with a safety cabin which is used for safely fixing the front end of the tube bundle type gas cylinder group and installing a safety relief device, and an operation cabin which is used for safely fixing the rear end of the tube bundle type gas cylinder group and communicating the tube bundle type gas cylinders in the tube bundle type gas cylinder group and performing inflation and deflation operations, and the operation cabin is internally provided with an inflation and deflation device connected with the tube bundle type gas cylinders. The gas cylinder is long in size, so that the requirement on road environment is high in the transportation process, and certain passing difficulty is caused when the gas cylinder is matched with a universal frame for transportation in actual transportation.
The specification with publication number CN 112483893 a discloses a wrapped gas cylinder tube bundle container, comprising: front end plate, rear end plate and nine big volume steel inner bags ring carbon fiber winding gas cylinders, the both ends of winding gas cylinder respectively with front end flange with novel prevent changeing the flange assembly and be connected, prevent changeing the flange assembly and comprise ring flange, compact heap I, compact heap II, will through hexagon socket head cap screw compact heap II fastens with the ring flange, connects after the fastening winding gas cylinder leans on the back soon, will press through hexagon socket head cap screw compact heap I with compact heap II fastens, and the reuse bolt will the ring flange is fixed on the rear end plate. The utility model mainly adopts the tube bundle type container assembled by winding the gas cylinders with small volume, and the inconvenience of operation and regular inspection is caused because the number of valves is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pipe bundle type container with wound gas cylinders for highway and railway combined transportation, which is assembled by high-pressure wound gas cylinders, reduces unit transportation cost, realizes large-range long-distance railway and highway combined transportation, and reduces transportation difficulty.
A winding gas cylinder tube bundle type container for highway and railway combined transportation comprises a container body and a tube bundle type winding gas cylinder group arranged in the container body, wherein the container body comprises an octagonal frame body and a frame connecting support fixed at the bottom of the octagonal frame body, one end of the octagonal frame body is connected with a front end plate through an angle steel baffle, the other end of the octagonal frame body is provided with a rear door, a rear end plate which is abutted against the octagonal frame body is fixed at a position close to the rear door in the octagonal frame body, and a rear bin is formed between the rear end plate and the rear door; the tube bundle type winding gas cylinder group is composed of seven winding gas cylinders arranged in a plum blossom shape, one end of each winding gas cylinder is fixed at the front end plate through a connecting flange, and the other end of each winding gas cylinder is fixed at the rear end plate through an anti-rotation assembly.
The octagon framework, the front end plate, the rear end plate and the rear box door form a closed container body, the frame connecting support arranged at the bottom of the octagon framework and the connecting support arranged on the second type chassis are fixed through high-strength bolts, and the wound gas cylinder long pipe trailer is driven to a railway flat car to realize railway transportation. When the wound gas cylinder is installed in the container body, the anti-rotation component and the connecting flange are installed at the two ends of the wound gas cylinder respectively, the front end plate of the container body is disassembled, the rear door is opened, the wound gas cylinder is placed in the octagonal frame until the anti-rotation component is abutted against the rear end plate, and the anti-rotation component is fixed with the rear end plate through bolts; sequentially putting seven wound gas cylinders to form a plum blossom-shaped arrangement; and abutting the front end plate against the connecting flange, and fixing the front end plate with the connecting flange through bolts. When the wound gas cylinder is taken out of the container body, firstly loosening bolts for connecting the flange and the front end plate, and disassembling the front end plate; opening the rear box door to enter the rear bin, loosening the bolts of the anti-rotation component and the rear end plate, and hoisting the wound gas cylinder out of the container body; and sequentially disassembling the seven wound gas cylinders to finish taking out the wound gas cylinders.
The octagonal frame body comprises a top plate and a bottom plate which are arranged between a front end plate and a rear box door and are parallel to each other, two first inclined plates are symmetrically distributed at two ends of the top plate outwards, a side wall perpendicular to the top plate is fixed at the lower end of each first inclined plate, a flat plate parallel to the top plate is inwards arranged at the lower end of each side wall, and second inclined plates are symmetrically distributed at the inner end of each flat plate and two ends of the bottom plate; the lower end of the bottom plate is provided with two bottom longitudinal beams. Through the setting of first swash plate and second swash plate makes the octagon framework is more close with the appearance of tube bundle formula winding gas cylinder group, has not only reduced the appearance volume of winding gas cylinder long-tube trailer, has still played effectual protection to the outer wall of winding gas cylinder, reduces whole height.
Preferably, reinforcing plates are fixed on the top plate, the first inclined plate, the side wall, the second inclined plate and the bottom plate of the octagonal frame body. The reinforcing plate not only plays a role in fire prevention and water prevention, but also can prevent sand and stone from splashing in transportation, effectively protects the wound gas cylinder from being damaged, and prolongs the service life of the wound gas cylinder.
An L-shaped metal bent net is arranged above the flat plate, and two ends of the L-shaped metal bent net are respectively fixed on the side wall and the flat plate to form a storage space; the storage space can store common tools and the like.
But be equipped with the chamber door of switch on the lateral wall in the storing space, the setting of chamber door not only makes things convenient for getting of tools commonly used to put, can also accelerate the flow of inside air when winding gas cylinder long tube trailer inside temperature is higher, realizes rapid cooling.
The winding gas cylinder comprises a steel liner with bottle openings at two ends, a carbon fiber winding pressure-bearing layer is arranged outside the steel liner, a glass fiber winding protective layer is arranged outside the carbon fiber winding pressure-bearing layer, threads are arranged at the outer wall of each bottle opening, a front end plug is arranged in one bottle opening, and a rear end plug is arranged in the other bottle opening; and the front end plug and the rear end plug are both provided with inner holes for filling and discharging media into the wound gas cylinder, and the rear end plug is provided with a valve. Compared with a steel gas cylinder, the large-volume wound gas cylinder has the advantages of light dead weight and small heavy-volume ratio, and the unit transportation cost is effectively reduced.
And a valve of the winding gas cylinder is communicated with a pipeline system for charging and discharging gas by adopting a spiral flexible pipe. The adoption of the spiral flexible pipe can make the pipeline system more stable and not easy to leak.
The anti-rotation assembly comprises a flange plate connected with the baffle plate through a bolt, a first pressing block and a second pressing block which are matched with each other through a groove and a boss are fixed on the flange plate, and a jacking piece for fixing is further arranged between the first pressing block and the second pressing block; the anti-rotation component can effectively prevent the wound gas cylinder from rotating circumferentially and shifting axially in transportation.
The utility model also provides a wound gas cylinder long pipe trailer for road and railway combined transportation, which is obtained by assembling the wound gas cylinder tube bundle type container and the second type chassis, reduces the turning radius of the long pipe trailer, is suitable for road transportation in mountainous areas, realizes large-range long-distance combined transportation of railways and roads, and reduces the transportation difficulty.
The long-tube trailer for highway and railway combined transportation comprises a second type chassis provided with a connecting support and a wound gas cylinder tube bundle type container fixed on the second type chassis, wherein the wound gas cylinder tube bundle type container adopts the wound gas cylinder tube bundle type container for highway and railway combined transportation.
The frame connecting support is a U-shaped support with a through hole at the bottom, the U-shaped support is fixed on the bottom longitudinal beam, and the through hole is fixed with the connecting support bolt of the second type chassis, so that the connection is safer and more reliable.
Compared with the prior art, the utility model has the advantages that:
1. the utility model reduces the overall height of the wound gas cylinder tube bundle container, reduces the top width and realizes the overall railway and highway combined transportation of the long wound gas cylinder long tube trailer;
2. the turning radius of the wound gas cylinder long tube trailer is reduced, the trafficability of the wound gas cylinder long tube trailer is improved, and the wound gas cylinder long tube trailer is suitable for more roads, particularly for road transportation in mountainous areas;
3. the utility model adopts the wound gas cylinder, reduces the dead weight of the pipe bundle type container of the wound gas cylinder and increases the loading mass of the gas;
4. the wound gas cylinders are annularly arranged in a plum blossom shape, so that the distance between the wound gas cylinders is reduced as much as possible, the space utilization rate is improved, the shape of the container body in a four-sided shape is changed into an octagon shape, the shape and the volume of the container body are further reduced, and the height of the pipe bundle type container with the wound gas cylinders is reduced;
5. the utility model reduces the number of the wound gas cylinders and valves, the number of the connecting points and welding points of the pipeline, has less leakage points and reduces the risk in the transportation process;
6. the pipeline part of the utility model is centralized in the rear bin, the operation is convenient, and the annual inspection and the periodic inspection are convenient.
Drawings
Fig. 1 is a schematic structural diagram of a wrapped gas cylinder tube bundle container for road-railway intermodal transportation in an embodiment of the utility model.
Fig. 2 is a schematic view of the structure of the a direction of the gas cylinder tube bundle type container in fig. 1.
Fig. 3 is a schematic cross-sectional view in the direction B of the wrapped gas cylinder tube bundle container of fig. 1.
Fig. 4 is a schematic cross-sectional view of the gas cylinder tube bundle wrapped container of fig. 1 in the direction of C.
Fig. 5 is a structural diagram of the gas cylinder tube bundle type container of fig. 1 in a direction D.
Fig. 6 is an enlarged partial view of the container of fig. 1 wrapped around the gas cylinder tube bundle at point i.
Fig. 7 is an enlarged partial schematic view of fig. 1 at point ii of the wrapped gas cylinder tube bundle container.
Fig. 8 is a schematic view of the anti-rotation assembly of fig. 7.
Fig. 9 is a schematic view of the structure of the wound cylinder of fig. 4.
Fig. 10 is an enlarged partial schematic view of fig. 9 at iii of the wrapped gas cylinder tube bundle container.
Figure 11 is a schematic diagram of the structure of a wound cylinder tube trailer for road-rail intermodal transportation according to an embodiment of the utility model.
Fig. 12 is a partially enlarged schematic view of the point iv in fig. 11.
Detailed Description
As shown in fig. 1 to 10, the winding gas cylinder tube bundle container 13 for road and railway intermodal transportation comprises a container body 1 and a tube bundle winding gas cylinder group 2 arranged in the container body 1.
The container body 1 comprises an octagonal frame body 5, a front end plate 3, an angle steel baffle plate 15, a rear end plate 6, a rear door 4 and a frame connecting support 7. One end of the octagonal frame body 5 is welded with an angle steel baffle 15, the angle steel baffle 15 is connected with the front end plate 3 through a detachable bolt, the other end of the octagonal frame body 5 is provided with a rear box door 4, and the rear box door 4 is an outward double door. The rear end plate 6 is welded in the octagonal frame body 5 near the rear box door 4 and abuts against the inner wall of the octagonal frame body 5, and a rear bin is formed between the rear end plate 6 and the rear box door 4.
Through the setting of first swash plate 53 and second swash plate 56 for octagon framework 5 is more close with the appearance of tube bundle formula winding gas cylinder group 2, has not only reduced the appearance volume of winding gas cylinder long-tube trailer, has still played effectual protection to tube bundle formula winding gas cylinder group 2.
Reinforcing plates are welded to the top plate 51, the first sloping plate 53, the side wall 54, the second sloping plate 56, and the bottom plate 52 of the octagonal frame 5. The reinforcing plate is made of a steel plate with the thickness of 1.2mm, the steel plate not only can play a role in fire prevention and water prevention, but also can block sand and stone from splashing in the transportation process, effectively protects the bundle type winding gas cylinder group 2 from being damaged,
an L-shaped metal bent net 57 is arranged above the flat plate 55, and two ends of the L-shaped metal bent net 57 are respectively fixed on the side wall 54 and the flat plate 55 to form a storage space 58. A door 59 that can be opened and closed is provided at a lower portion of the side wall 54 in the storage space 58. Tools commonly used and the like can be deposited in the arrangement of the storage space 58, the arrangement of the box door 59 at the storage space 58 not only facilitates the picking and placing of the tools commonly used, but also accelerates the flow of the internal air when the internal temperature of the wound gas cylinder long pipe trailer is higher, and realizes rapid cooling.
The tube bundle type winding gas cylinder group 2 is composed of seven winding gas cylinders 21 which are arranged in a plum blossom shape.
The winding gas cylinder 21 comprises a steel inner container 22 with bottle openings at two ends, a carbon fiber winding bearing layer 23 is arranged outside the steel inner container 22, a glass fiber winding protective layer 24 is arranged outside the carbon fiber winding bearing layer 23, threads are arranged at the outer wall of each bottle opening, and a front end plug 25 and a rear end plug 26 are arranged in the other bottle opening and arranged in the same bottle opening.
The front end plug 25 and the rear end plug 26 are provided with inner holes (not shown in the figure) for filling and discharging media into the winding air bottle 21, and the rear end plug 26 is provided with a valve 27. Compared with a steel gas cylinder, the large-volume wound gas cylinder 21 has light dead weight and small weight-volume ratio, and effectively reduces unit transportation cost.
One end of the winding gas cylinder 21 is fixed at the end plate 31 through the connecting flange 10, and the other end is fixed at the rear end plate 6 through the rotation-preventing component 9.
Prevent changeing subassembly 9 and include ring flange 91 with rear end plate 6 bolted connection, first compact heap 92 and second compact heap 93, first compact heap 92 is square plate and its central department is equipped with the opening that is used for the bottleneck to pass, and the one end of first compact heap 92 is equipped with the recess that communicates with the opening, and second compact heap 93 is equipped with the boss with recess complex. A fastening piece 94 for fixing is further provided between the first pressing block 92 and the second pressing block 93.
The mouth of the winding gas cylinder 21 penetrates through the baffle 6, and the anti-rotation component 9 can effectively prevent circumferential rotation and axial movement of the winding gas cylinder 21 in transportation.
The valve 27 of the wound gas cylinder 21 communicates with the piping system 11 for inflation and deflation using a spiral flexible tube. The adoption of the spiral flexible pipe can make the pipeline system 11 more stable and less prone to leakage.
As shown in fig. 11-12, the wrapped gas cylinder long pipe trailer for road and railway intermodal transportation comprises a second type chassis 12 provided with a connecting support 14 and a wrapped gas cylinder pipe bundle type container 13 fixed on the second type chassis 12.
The frame connecting support 7 is a U-shaped support with two through holes at the bottom, the U-shaped support is welded on a bottom longitudinal beam 16 of the octagonal frame body 5, the position of the U-shaped support corresponds to that of a connecting support 14 of the second-class chassis 12, and the gas cylinder tube bundle type container 13 and the second-class chassis 12 are fixedly wound by high-strength bolts.
When the winding gas cylinder 21 is installed in the container body 1, the anti-rotation component 9 and the connecting flange 10 are respectively installed at the two ends of the winding gas cylinder 21, the front end plate 3 of the container body is detached from the angle steel baffle plate 15, and the rear door 4 is opened; then the wound gas cylinder 21 is placed in the octagonal frame body 5 until the anti-rotation component 9 is abutted against the rear end plate 6, and the anti-rotation component 9 is fixed with the rear end plate 6 through bolts; seven wound gas cylinders 21 are sequentially placed to form a plum blossom-shaped arrangement; and abutting the front end plate 3 against the connecting flange 10, and fixing the front end plate 3 with the front end connecting flange 10 through bolts and the angle steel baffle plate 15.
When the wound gas cylinder 21 is taken out of the container body 1, firstly, the fixing bolts for connecting the flange 10 and the front end plate 3 are loosened, and the front end plate 3 is disassembled; opening the rear box door 4, entering the rear bin, loosening the fixing bolts of the anti-rotation component 9 and the rear end plate 6, and hoisting the wound gas cylinder 21 out of the container body 5; and (5) sequentially disassembling the seven wound air cylinders 21 to finish the taking out of the wound air cylinders 21.
Take a large volume wound cylinder 21 of 20MPa as an example:
when the outer diameter of the winding air bottle 21 is 719mm, the volume of the single winding air bottle 21 reaches 2370L.
By arranging seven wound gas cylinders 21 in a quincunx shape, the height of the tube trailer in the embodiment is 23.5 feet, and the volume of the tube bundle container 13 with the wound gas cylinders is 16.59m3. A comparison of the total volume, profile dimensions and self weight when also filled with helium compared to a conventional 20 foot steel cylinder tube trailer is shown in table 1.
TABLE 1 comparison of data for the tube trailer and the 20-foot steel cylinder tube trailer in this example
As can be seen from table 1, the tube trailer in this example has a 45% reduction in self weight, a 36% reduction in weight to volume ratio, and a 120mm reduction in center of gravity compared to a conventional 20-foot steel cylinder tube trailer. The cross section of the wound gas cylinder long pipe trailer is octagonal, so that the cross section area is reduced to a great extent.
When the winding gas cylinder tube bundle type container is fixed with the second type chassis, the number of the connecting points is increased from the original 4 to 12 vehicle frame connecting supports, the force borne by a single connecting point is dispersed, and the safety is improved.
The diameter of the tire in a workshop with the second type of chassis is larger, the tread is wider, the severe road transportation environment can be met, and the trafficability characteristic is improved.
Claims (9)
1. A winding gas cylinder tube bundle type container for highway and railway combined transportation is characterized by comprising a container body and a tube bundle type winding gas cylinder group arranged in the container body, wherein the container body comprises an octagonal frame body and a frame connecting support fixed at the bottom of the octagonal frame body, one end of the octagonal frame body is connected with a front end plate through an angle steel baffle, the other end of the octagonal frame body is provided with a rear door, a rear end plate which is abutted against the octagonal frame body is fixed at a position close to the rear door in the octagonal frame body, and a rear bin is formed between the rear end plate and the rear door; the tube bundle type winding gas cylinder group is composed of seven winding gas cylinders arranged in a plum blossom shape, one end of each winding gas cylinder is fixed at the front end plate through a connecting flange, and the other end of each winding gas cylinder is fixed at the rear end plate through an anti-rotation assembly.
2. The wrapped gas cylinder pipe bundle container for road-railway intermodal transportation according to claim 1, wherein the octagonal frame body comprises a top plate and a bottom plate which are arranged between a front end plate and a rear box door and are parallel to each other, two first inclined plates are symmetrically distributed at two ends of the top plate outwards, a side wall perpendicular to the top plate is fixed at the lower end of each first inclined plate, a flat plate parallel to the top plate is arranged at the lower end of each side wall inwards, and second inclined plates are symmetrically distributed at the inner end of each flat plate and two ends of the bottom plate; the lower end of the bottom plate is provided with two bottom longitudinal beams.
3. The wrapped gas cylinder tube bundle container for road-railway intermodal transportation according to claim 2 wherein reinforcing plates are fixed to the top plate, the first sloping plate, the side wall, the second sloping plate and the bottom plate of the octagonal frame.
4. The wrapped gas cylinder pipe bundle container for road-railway intermodal transportation according to claim 2, wherein an L-shaped metal bent net is arranged above the flat plate, and both ends of the L-shaped metal bent net are respectively fixed on the side wall and the flat plate to form a storage space.
5. The wrapped gas cylinder bundle container for road-railway intermodal transportation as claimed in claim 4 wherein openable and closable doors are provided on side walls within the storage space.
6. The wrapped gas cylinder tube bundle container for road and railway intermodal transportation according to claim 1, wherein the wrapped gas cylinder comprises a steel liner with openings at both ends, a carbon fiber wrapping pressure-bearing layer is arranged outside the steel liner, a glass fiber wrapping protective layer is arranged outside the carbon fiber wrapping pressure-bearing layer, threads are arranged at the outer wall of each opening, a front end plug is arranged in one opening, and a rear end plug is arranged in the other opening; and the front end plug and the rear end plug are both provided with inner holes for filling and discharging media into the wound gas cylinder, and the rear end plug is provided with a valve.
7. The wrapped gas cylinder tube bundle container for road-railway intermodal transportation according to claim 6, wherein the valves of the wrapped gas cylinders are in communication with the piping system for inflation and deflation using helical flexible tubes.
8. The wrapped gas cylinder pipe bundle container for road-railway intermodal transportation according to claim 1, wherein the rotation preventing member includes a flange bolted to the rear end plate, the flange having a first compression block and a second compression block secured thereto by a groove and a boss, the first compression block and the second compression block being further provided with a retaining abutment therebetween.
9. A tube trailer for road-railway combined transportation, which comprises a second type chassis provided with a connecting support and a wrapped gas cylinder tube bundle container fixed on the second type chassis, and is characterized in that the wrapped gas cylinder tube bundle container for road-railway combined transportation adopts the wrapped gas cylinder tube bundle container for road-railway combined transportation as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122341249.7U CN216046882U (en) | 2021-09-26 | 2021-09-26 | Winding gas cylinder tube bundle type container and long tube trailer for highway and railway combined transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122341249.7U CN216046882U (en) | 2021-09-26 | 2021-09-26 | Winding gas cylinder tube bundle type container and long tube trailer for highway and railway combined transportation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216046882U true CN216046882U (en) | 2022-03-15 |
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ID=80546261
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122341249.7U Active CN216046882U (en) | 2021-09-26 | 2021-09-26 | Winding gas cylinder tube bundle type container and long tube trailer for highway and railway combined transportation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216046882U (en) |
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2021
- 2021-09-26 CN CN202122341249.7U patent/CN216046882U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312365 Hangzhou Bay Shangyu Economic and Technological Development Zone, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Lanneng Hydrogen Technology Co.,Ltd. Address before: 312369 Hangzhou Shangyu economic and Technological Development Zone, Shaoxing, Zhejiang Patentee before: ZHEJIANG REIN GAS EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |