Liquid hydrogen tank car

Abstract

The utility model provides a liquid hydrogen tank car, which belongs to the technical field of liquid hydrogen transportation equipment and comprises a car body and a storage tank supported on the car body, the storage tank is provided with a supporting seat, and the supporting seat is provided with a plurality of supporting legs extending downwards; the vehicle body is supported at the bottom of the supporting base and located among the supporting legs, the bottom of the vehicle body is provided with walking wheels capable of ascending and descending, the vehicle body ascends and descends through the walking wheels, and when the vehicle body descends, the bottoms of the supporting legs are supported on the ground, so that the supporting base of the storage tank is separated from the vehicle body; therefore, the supporting seat is separated from the vehicle body, the storage tank is separated from the vehicle body, the vehicle body can be used for transporting other storage tanks, the utilization rate of the vehicle body is increased, and the transportation cost is reduced. According to the liquid hydrogen tank car provided by the utility model, the problem that the storage tank of the liquid hydrogen tank car cannot be separated from the transport car is solved, and the liquid hydrogen storage tank loading high-capacity liquid hydrogen can be transported and transferred in a field area.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid hydrogen transportation equipment, in particular to a liquid hydrogen tank truck. Background Art

[0002] Liquid hydrogen is one of the cryogenic propellants for space rockets. It has the characteristics of low boiling point (-253℃), flammability and explosion, and is highly dangerous. It needs to be transported by road using special liquid hydrogen tankers. The demand for liquid hydrogen in the aerospace and hydrogen energy fields is gradually increasing. Currently, the aerospace field has a storage guarantee demand of thousands of cubic meters for liquid hydrogen. In existing liquid hydrogen transport tankers, the liquid hydrogen storage tank is fixedly installed on the transporter. During the process of filling and transferring liquid hydrogen, the transporter cannot leave. Each storage tank needs to be equipped with a special transporter. The utilization rate of the transporter is low, and the liquid hydrogen transportation volume is small. When the liquid hydrogen usage is relatively large, multiple transportation and transfer are required, which increases the safety risk. Utility Model Content

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the problem that the storage tank and the transport vehicle of the existing liquid hydrogen transport tanker cannot be separated, thereby providing a liquid hydrogen tanker.

[0004] In order to solve the above technical problems, the utility model provides a liquid hydrogen tanker, comprising: a vehicle body and a storage tank carried on the vehicle body, the storage tank having a support seat, and the support seat having a plurality of support legs extending downward;

[0005] The vehicle body is supported at the bottom of the support seat and is located between a plurality of the support legs. The bottom of the vehicle body is provided with liftable running wheels, and the vehicle body is lifted and lowered by the running wheels. When the vehicle body descends, the bottom of the support legs is supported on the ground, so that the support seat of the storage tank is separated from the vehicle body.

[0006] Optionally, the travel wheel is connected to the vehicle body via a lifting assembly, and the lifting assembly includes:

[0007] A suspension, the suspension comprising a first part and a second part which are hingedly connected, the first part being connected to the bottom of the frame, and the second part being connected to the rotating shaft of the walking wheel;

[0008] A lifting rod, one end of which is connected to the first part, and the other end of which is connected to the second part. The lifting rod is telescopically driven to drive the movable ends of the first part and the second part to move away from or approach each other, so that the frame rises or falls.

[0009] Optionally, the lifting rod includes: a lifting cylinder, and the lifting cylinder is connected to a hydraulic oil pump.

[0010] Optionally, the support seat comprises:

[0011] A supporting plate is arranged above the vehicle body, the supporting plate extends toward both ends along the width direction of the vehicle body, and portions of both ends of the supporting plate extending out of the vehicle body are provided with supporting legs, and when the vehicle body is lowered, the bottoms of the supporting legs are supported on the ground, so that the supporting plate is separated from the vehicle body;

[0012] The connecting part is arranged above the supporting plate, and the top end of the connecting part is fixedly connected to the storage tank.

[0013] Optionally, the connecting portion includes: a load-bearing column, the load-bearing column is arranged on the supporting plate, the top end of the load-bearing column is fixedly connected to the storage tank, and the load-bearing column is symmetrically arranged on both sides of the storage tank.

[0014] Optionally, a plurality of the support plates are evenly arranged along the length direction of the storage tank, and at least two of the load-bearing columns are symmetrically arranged on each of the support plates.

[0015] Optionally, one supporting plate is provided at each end of the storage tank, and the two supporting plates are arranged in parallel.

[0016] Optionally, two supporting legs are provided at both ends of the supporting plate.

[0017] Optionally, the supporting legs are vertically arranged on the supporting plate.

[0018] Optionally, a cab is also provided on the vehicle body, and one cab is provided at each end of the vehicle body.

[0019] The technical solution of the utility model has the following advantages:

[0020] 1. The liquid hydrogen tanker provided by the utility model has a storage tank movably mounted on the vehicle body through a support seat, and the liftable running wheels can realize the vehicle body carrying the storage tank for transportation. When arriving at the place of use, the liftable running wheels drive the vehicle body to descend, so that the bottom of the support legs is supported on the ground, thereby separating the support seat from the vehicle body, realizing the separation of the storage tank and the vehicle body, and the vehicle body can be used to transport other storage tanks, thereby improving the utilization rate of the vehicle body. The liquid hydrogen tanker provided by the utility model solves the problem that the storage tank and the transport vehicle of the liquid hydrogen tanker cannot be separated.

[0021] 2. The liquid hydrogen tanker provided by the utility model, when the lifting rod is extended, the first part and the second part of the suspension are driven to move away from each other, the suspension is unfolded, and the vehicle body is raised; when the lifting rod is shortened, the first part and the second part of the suspension are driven to move closer to each other, the suspension is folded, and the vehicle body is lowered.

[0022] 3. For the liquid hydrogen tanker provided by the utility model, when the vehicle body needs to be raised, the hydraulic oil pump is turned on to transport hydraulic oil to the lifting cylinder, the oil pressure in the lifting cylinder is increased, the plunger of the lifting cylinder is raised, and the lifting rod is extended, thereby driving the suspension to unfold and make the vehicle body rise; when it needs to be lowered, the hydraulic oil pump is turned off, the hydraulic oil in the lifting cylinder returns to the oil tank through the return oil line, the oil pressure in the lifting cylinder is reduced, the plunger of the lifting cylinder is lowered, the lifting rod is shortened, thereby driving the suspension to fold and make the vehicle body lower.

[0023] 4. The liquid hydrogen tank truck provided by the utility model has a storage tank fixedly installed on the top of the connecting part and movably installed on the vehicle body through a supporting plate. The supporting legs are arranged on the portion of the supporting plate extending out of the vehicle body so that the vehicle body is located between the supporting legs, which can ensure that when the vehicle body is lowered, the bottom of the supporting legs can be supported on the ground.

[0024] 5. The liquid hydrogen tanker provided by the utility model fixes the storage tank by means of the load-bearing columns on the supporting plate, and a plurality of load-bearing columns symmetrically arranged on both sides of the storage tank make the storage tank evenly stressed, thereby improving the stability of the storage tank.

[0025] 6. The liquid hydrogen tanker provided by the utility model is provided with a plurality of supporting plates along the length direction of the storage tank, and the load-bearing columns on the supporting plates are used to support different positions of the storage tank. While ensuring the stability of the storage tank, the material used for the supporting plates can be reduced, and the weight and manufacturing cost of the support base can be reduced.

[0026] 7. The liquid hydrogen tanker provided by the utility model supports and fixes the two ends of the storage tank by the support seat through two parallel supporting plates.

[0027] 8. The liquid hydrogen tanker provided by the utility model has two supporting legs arranged at both ends of the supporting plate to form a door-shaped support. When the vehicle body descends, the supporting legs can ensure stable support for the supporting plate.

[0028] 9. The liquid hydrogen tanker provided by the utility model has support legs vertically arranged on the support plate so that the support legs are parallel to the vertical direction, which can provide stable support for the support seat.

[0029] 10. The liquid hydrogen tanker provided by the utility model has a cab disposed at both ends of the vehicle body, which can facilitate the switching of directions without the need for U-turns. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 A schematic diagram of an implementation of a liquid hydrogen tanker provided in an embodiment of the utility model;

[0032] Figure 2 for Figure 1 A right side schematic diagram of

[0033] Figure 3 for Figure 1 Schematic diagram of the vehicle body;

[0034] Figure 4 for Figure 3 A magnified schematic diagram of part A;

[0035] Figure 5 for Figure 1 Schematic diagram of the intermediate storage tank.

[0036] Description of reference numerals:

[0037] 1. Vehicle body; 2. Storage tank; 3. Support seat; 4. Support leg; 5. Travel wheel; 6. Lifting assembly; 7. Suspension; 8. Lifting rod; 9. Support plate; 10. Load-bearing column; 11. Driver's cab. DETAILED DESCRIPTION

[0038] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0042] This embodiment provides a liquid hydrogen tanker truck capable of separating a storage tank 2 from a vehicle body 1 for transporting liquid hydrogen.

[0043] like Figure 1 , Figure 2 As shown, a specific implementation of a liquid hydrogen tanker provided in this embodiment includes: a vehicle body 1 and a storage tank 2 carried on the vehicle body 1, the storage tank 2 has a support seat 3, and the support seat 3 has a plurality of support legs 4 extending downward; the vehicle body 1 is supported at the bottom of the support seat 3 and is located between the plurality of support legs 4, and the bottom of the vehicle body 1 has liftable running wheels 5, and the vehicle body 1 is lifted and lowered by the running wheels 5. When the vehicle body 1 descends, the bottom of the support legs 4 is supported on the ground, so that the support seat 3 of the storage tank 2 is separated from the vehicle body 1.

[0044] When in use, the storage tank 2 is movably mounted on the vehicle body 1 through the support seat 3, and the liftable running wheels 5 can enable the vehicle body 1 to carry the storage tank 2 for transportation. When arriving at the place of use, the liftable running wheels 5 drive the vehicle body 1 to descend, so that the bottom of the support legs 4 is supported on the ground, thereby separating the support seat 3 from the vehicle body 1, realizing the separation of the storage tank 2 and the vehicle body 1, and the vehicle body 1 can be used to transport other storage tanks 2, thereby improving the utilization rate of the vehicle body 1. The liquid hydrogen tank truck provided in this embodiment solves the problem that the storage tank and the transport vehicle of the liquid hydrogen tank truck cannot be separated.

[0045] Specifically, the support seat 3 is configured as a door-type support structure.

[0046] It should be noted that the vehicle body 1 can be equipped with a self-powered system for running, or it can be equipped with no power system and can be towed by the front of the vehicle for running. A valve box operating platform is provided at one end of the storage tank 2 along the length direction, and the liquid hydrogen self-supercharger suspension of the storage tank 2 is at the bottom of the storage tank 2, which can facilitate the transfer of liquid hydrogen to the storage tank 2. The storage tank 2 is set to 300m3 , compared to the common 80-100m 3 The liquid hydrogen storage tank can accommodate a large volume of liquid hydrogen. When the amount of liquid hydrogen used is large, the storage tank 2 loaded with liquid hydrogen can be transported and transferred within the factory through the vehicle body 1 without the need for multiple transfers.

[0047] like Figure 3 , Figure 4 As shown, in the liquid hydrogen tanker provided in this embodiment, the travel wheel 5 is connected to the vehicle body 1 through a lifting assembly 6, and the lifting assembly 6 includes: a suspension 7 and a lifting rod 8; the suspension 7 includes a first part and a second part that are hingedly connected, the first part is connected to the bottom of the frame, and the second part is connected to the rotating shaft of the travel wheel 5; one end of the lifting rod 8 is connected to the first part, and the other end is connected to the second part, and the movable ends of the first part and the second part are driven to move away from or approach each other by the lifting rod 8, so that the frame rises or falls. When the lifting rod 8 is extended, the first part and the second part of the suspension 7 are driven to move away from each other, and the suspension 7 is unfolded, so that the vehicle body 1 rises; when the lifting rod 8 is shortened, the first part and the second part of the suspension 7 are driven to move closer to each other, and the suspension 7 is folded, so that the vehicle body 1 falls. In addition, as an alternative embodiment, the lifting assembly 6 can also be set as a scissor-type lifting platform.

[0048] like Figure 4 As shown, in the liquid hydrogen tanker provided in this embodiment, the lifting rod 8 includes: a lifting cylinder, and the lifting cylinder is connected to the hydraulic oil pump. When the vehicle body 1 needs to rise, the hydraulic oil pump is turned on to transport hydraulic oil to the lifting cylinder, the oil pressure in the lifting cylinder increases, the plunger of the lifting cylinder rises, and the lifting rod 8 is extended, thereby driving the suspension 7 to unfold and make the vehicle body 1 rise; when the vehicle body 1 needs to descend, the hydraulic oil pump is turned off, the hydraulic oil in the lifting cylinder returns to the oil tank through the return oil line, the oil pressure in the lifting cylinder decreases, the plunger of the lifting cylinder descends, and the lifting rod 8 is shortened, thereby driving the suspension 7 to fold and make the vehicle body 1 descend. In addition, as an alternative embodiment, the lifting bar can also be set as an electric push rod or other drive components that can perform linear drive.

[0049] like Figure 1 , Figure 5As shown, in the liquid hydrogen tanker provided in this embodiment, the support seat 3 includes: a support plate 9 and a connecting portion, the support plate 9 is arranged above the vehicle body 1, the support plate 9 extends toward both ends along the width direction of the vehicle body 1, and the parts of the support plate 9 extending out of the vehicle body 1 at both ends are provided with support legs 4, when the vehicle body 1 descends, the bottom of the support leg 4 is supported on the ground, so that the support plate 9 is separated from the vehicle body 1; the connecting portion is arranged above the support plate 9, and the top of the connecting portion is fixedly connected to the storage tank 2. The storage tank 2 is fixedly mounted on the top of the connecting portion, and is movably mounted on the vehicle body 1 through the support plate 9, and the support leg 4 is arranged on the part of the support plate 9 extending out of the vehicle body 1, so that the vehicle body 1 is located between the support legs 4, which can ensure that when the vehicle body 1 descends, the bottom of the support leg 4 can be supported on the ground. In addition, as an alternative embodiment, the support plate 9 can be omitted, the connecting portion is provided with a bending portion extending out of the vehicle body 1, and the support leg 4 is arranged on the bending portion.

[0050] like Figure 5 As shown, in the liquid hydrogen tanker provided in this embodiment, the connection part includes: a load-bearing column 10, the load-bearing column 10 is arranged on the supporting plate 9, the top of the load-bearing column 10 is fixedly connected to the storage tank 2, and the load-bearing column 10 is symmetrically arranged on both sides of the storage tank 2. The storage tank 2 is fixed by the load-bearing column 10 on the supporting plate 9, and the several load-bearing columns 10 symmetrically arranged on both sides of the storage tank 2 make the storage tank 2 evenly stressed, which can improve the stability of the storage tank 2. In addition, as an alternative embodiment, the load-bearing columns 10 can also be staggered.

[0051] like Figure 5 As shown, in the liquid hydrogen tanker provided in this embodiment, a plurality of the support plates 9 are evenly arranged along the length direction of the storage tank 2, and at least two of the load-bearing columns 10 are symmetrically arranged on each of the support plates 9. A plurality of the support plates 9 are arranged along the length direction of the storage tank 2, and the different positions of the storage tank 2 are supported by the load-bearing columns 10 on the support plates 9. While ensuring the stability of the storage tank 2, the material used for the support plates 9 can be reduced, and the weight and manufacturing cost of the support seat 3 can be reduced. In addition, as an alternative embodiment, only one support plate 9 can be provided, and a plurality of load-bearing columns 10 and support legs 4 can be provided on the support plate 9.

[0052] like Figure 5As shown, in the liquid hydrogen tanker provided in this embodiment, the support plate 9 is provided at each end of the storage tank 2, and the two support plates 9 are arranged in parallel. The two support plates 9 arranged in parallel can enable the support seat 3 to support and fix the two ends of the storage tank 2. In addition, as an alternative embodiment, multiple support plates 9 can be arranged along the length direction of the storage tank 2 according to design and use requirements.

[0053] like Figure 5 As shown, in the liquid hydrogen tanker provided in this embodiment, two support legs 4 are provided at both ends of the support plate 9. A door-shaped support structure can be formed, and when the vehicle body 1 descends, the two support legs 4 can ensure stable support for the support plate 9. In addition, as an alternative embodiment, one support leg 4 can also be provided at each end of the support plate 9.

[0054] like Figure 5 As shown, in the liquid hydrogen tanker provided in this embodiment, the support leg 4 is vertically arranged on the support plate 9. The support leg 4 vertically arranged on the support plate 9 makes the support leg 4 parallel to the vertical direction, and can provide stable support for the support seat 3. In addition, as an alternative embodiment, the support leg 4 can also be arranged at an angle to the vertical direction.

[0055] like Figure 1 , Figure 3 As shown, in the liquid hydrogen tanker provided in this embodiment, a cab 11 is also provided on the vehicle body 1, and one cab 11 is provided at each end of the vehicle body 1. The cabs 11 are provided at both ends of the vehicle body 1, which can facilitate the reversal of driving without the need for U-turns. In addition, as an alternative embodiment, the cab 11 can also be omitted, and hooks or hanging rings are provided at both ends of the vehicle body 1, and the vehicle is towed by the front of the vehicle.

[0056] Directions:

[0057] like Figure 1 As shown, the liquid hydrogen tanker provided in this embodiment, when in use, the storage tank 2 is movably mounted on the vehicle body 1 through the support seat 3, and the liftable running wheels 5 can enable the vehicle body 1 to carry the storage tank 2 for transportation. When arriving at the place of use, the lifting assembly 6 drives the vehicle body 1 to descend, so that the bottom of the supporting leg 4 is supported on the ground, thereby separating the support seat 3 from the vehicle body 1, and realizing the separation of the storage tank 2 and the vehicle body 1.

[0058] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present utility model.

Claims

1. A liquid hydrogen tanker, characterized in that: include: A vehicle body (1) and a storage tank (2) carried on the vehicle body (1), wherein the storage tank (2) has a support base (3), and the support base (3) has a plurality of support legs (4) extending downwards; The vehicle body (1) is supported at the bottom of the support seat (3) and is located between a plurality of support legs (4). The bottom of the vehicle body (1) is provided with a lifting and lowering running wheel (5), and the vehicle body (1) is lifted and lowered by the running wheel (5). When the vehicle body (1) is lowered, the bottom of the support leg (4) is supported on the ground, so that the support seat (3) of the storage tank (2) is separated from the vehicle body (1).

2. The liquid hydrogen tanker according to claim 1, characterized in that: The running wheel (5) is connected to the vehicle body (1) via a lifting assembly (6), and the lifting assembly (6) comprises: A suspension (7), the suspension (7) comprising a first part and a second part which are hingedly connected, the first part being connected to the bottom of the vehicle body (1), and the second part being connected to the rotating shaft of the running wheel (5); A lifting rod (8), one end of the lifting rod (8) is connected to the first part, and the other end is connected to the second part. The lifting rod (8) is telescopically driven to move the movable ends of the first part and the second part away from or closer to each other, so that the vehicle body (1) rises or falls.

3. The liquid hydrogen tanker according to claim 2, characterized in that: The lifting rod (8) comprises a lifting cylinder, and the lifting cylinder is connected to a hydraulic oil pump.

4. The liquid hydrogen tanker according to claim 1, characterized in that: The support base (3) comprises: A support plate (9) is arranged above the vehicle body (1), the support plate (9) extends along the width direction of the vehicle body (1) toward both ends, and portions of the support plate (9) extending out of the vehicle body (1) at both ends are provided with support legs (4), and when the vehicle body (1) descends, the bottom of the support leg (4) is supported on the ground, so that the support plate (9) is separated from the vehicle body (1); The connection part is arranged above the supporting plate (9), and the top end of the connection part is fixedly connected to the storage tank (2).

5. The liquid hydrogen tanker according to claim 4, characterized in that: The connection portion comprises: a load-bearing column (10), wherein the load-bearing column (10) is arranged on the supporting plate (9), the top end of the load-bearing column (10) is fixedly connected to the storage tank (2), and the load-bearing column (10) is symmetrically arranged on both sides of the storage tank (2).

6. The liquid hydrogen tanker according to claim 5, characterized in that: A plurality of the support plates (9) are evenly arranged along the length direction of the storage tank (2), and at least two of the load-bearing columns (10) are symmetrically arranged on each of the support plates (9).

7. The liquid hydrogen tanker according to claim 6, characterized in that: The supporting plate (9) is provided at each end of the storage tank (2), and the two supporting plates (9) are arranged in parallel.

8. The liquid hydrogen tanker according to claim 7, characterized in that: Two supporting legs (4) are provided at both ends of the supporting plate (9).

9. The liquid hydrogen tanker according to claim 8, characterized in that: The supporting legs (4) are vertically arranged on the supporting plate (9).

10. The liquid hydrogen tanker according to any one of claims 1 to 9, characterized in that: The vehicle body (1) is also provided with a driving cab (11), and one driving cab (11) is provided at each end of the vehicle body (1).

Images