A structure of a replaceable hydrogen tank and a matched hydrogen tank bottom support

Abstract

A structure with replaceable hydrogen tank structure and matched hydrogen tank bottom support structure, including hydrogen tank frame, and hydrogen tank bottom support for detachable connection with the bottom of hydrogen tank frame, a plurality of hydrogen storage tanks are fixedly installed in the hydrogen tank frame, the plurality of hydrogen storage tanks are arranged in layers in the hydrogen tank frame, and the hydrogen tank bottom support is fixedly arranged on the vehicle to be replaced with hydrogen; the hydrogen tank bottom support includes a main frame and a locking mechanism, the bottom of the hydrogen tank frame is provided with a locking part, the locking part is connected with the corresponding locking mechanism to fix the hydrogen tank frame and the main frame; the main frame is fixedly provided with a guide device; the bottom of the hydrogen tank frame is fixedly provided with a communication connector first connector, the main frame is fixedly provided with a communication connector second connector, and the communication connector second connector is opposite to the communication connector first connector. The utility model discloses a hydrogen tank frame is realized through the cooperation of the locking mechanism, the guide device and the like of hydrogen tank bottom support, and the hydrogen tank frame is quickly and accurately docked, and the hydrogen tank frame is quickly and efficiently docked.

Description

TECHNICAL FIELD

[0001] The utility model relates to heavy truck and tractor hydrogen exchange technical field especially relates to a structure with replaceable hydrogen tank structure and the structure of the hydrogen tank bottom support of matching. BACKGROUND

[0002] Hydrogen energy automobile is the automobile with hydrogen as energy, and the chemical energy produced by hydrogen reaction is converted into mechanical energy to push the vehicle.

[0003] Hydrogen energy truck as a new heavy transport vehicle, relative to the truck with diesel as fuel, and the truck with pure electric traction, has more environmental protection, the advantage of large load.

[0004] In the prior art, the hydrogen energy tank frame of hydrogen energy truck is generally installed at the part close to the cab of the vehicle body, when the hydrogen energy tank frame is installed, the hydrogen energy tank frame is generally connected with the vehicle body by using fasteners, cannot be replaced, can only be hydrogen filled, the efficiency is lower, cannot realize the quick replacement of hydrogen energy tank frame, not to mention the precise automatic replacement of hydrogen energy tank frame. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a structure with replaceable hydrogen tank structure and the hydrogen tank bottom support of matching, to solve the problem of low hydrogen filling efficiency caused by the hydrogen energy tank frame of existing hydrogen energy truck cannot be replaced and can only be filled with hydrogen on site.

[0006] To solve the above problems, the utility model aims at realizing as follows:

[0007] A structure with replaceable hydrogen tank structure and the hydrogen tank bottom support of matching, comprising hydrogen tank frame and hydrogen tank bottom support for being automatically detachably connected with the bottom of the hydrogen tank frame, a plurality of hydrogen storage tanks are fixedly installed in the hydrogen tank frame, the plurality of hydrogen storage tanks are arranged in layers in the hydrogen tank frame, and the hydrogen tank bottom support is fixedly arranged on a vehicle to be replaced with hydrogen.

[0008] The bottom of the hydrogen tank frame is fixedly provided with a bottom beam, the hydrogen tank bottom support comprises a main frame and at least one locking mechanism arranged on the main frame, the main frame is integrally connected with the bottom beam through the locking mechanism, and a guide device is fixedly arranged on the main frame.

[0009] The bottom of the hydrogen tank frame is fixedly provided with a communication connector first connector, a communication connector second connector is fixedly arranged in the main frame, and the communication connector second connector is opposite to the communication connector first connector.

[0010] The locking mechanism comprises a driving cylinder connected with the main frame and a plug rod fixedly connected with a piston rod end of the driving cylinder, the driving cylinder drives the plug rod to press against the inclined cushion plate on the corresponding side of the bottom beam, and the hydrogen tank frame is locked.

[0011] The guiding device comprises first guiding columns, the number of the first guiding columns is consistent with and one-to-one corresponds to the number of the locking mechanisms, a cylinder seat of the driving cylinder is fixedly installed on one side of the first guiding column close to the center of the main frame, a piston rod of the driving cylinder penetrates through the other side of the first guiding column away from the center of the main frame, and the piston rod is fixedly connected with the plug rod.

[0012] The upper part of the first guiding column is provided with a first guiding inclined surface, and the high end of the first guiding inclined surface is close to the center of the main frame.

[0013] The guiding device further comprises a plurality of second guiding columns fixedly arranged on the main frame, the bottom of the hydrogen tank frame is provided with positioning holes for cooperating with the second guiding columns, and the upper part of the second guiding column is a guiding cone frustum in the shape of a circular truncated cone with a small upper part and a large lower part.

[0014] The hydrogen tank frame comprises a support frame in the shape of a cuboid and tank plates fixedly and closely arranged on the side and the top of the support frame, and a plurality of the tank plates are combined to form a sealed cover for protecting the hydrogen storage tank.

[0015] A plurality of groups of bracket assemblies for fixing the hydrogen storage tank are fixedly arranged in the hydrogen tank frame.

[0016] A floating mechanism is fixedly arranged between the second connector of the communication connector and the hydrogen replacement bottom support.

[0017] The floating mechanism comprises a plurality of vertically arranged springs, and the plurality of springs are distributed at the edge of the bottom of the second connector of the communication connector.

[0018] The hydrogen tank frame has the advantages that:

[0019] This invention includes a hydrogen tank frame and a matching hydrogen exchange tray. When the hydrogen in the hydrogen tank is depleted, the hydrogen tank frame, already filled with hydrogen, can be quickly replaced, providing timely power to vehicles awaiting hydrogen exchange. This invention uses a communication connector to send a notification, causing the locking mechanism to quickly disengage from the bottom beam of the hydrogen tank frame. This allows for rapid disassembly of the hydrogen tank frame, which can then be lifted directly by a lifting device for refilling. The already filled hydrogen tank frame is then lifted and, with the assistance of a guiding device on the hydrogen exchange tray, positioned precisely on the tray. The first connector of the communication connector at the bottom of the tray aligns with the second connector on the tray to establish communication. The locking mechanism of the hydrogen exchange tray engages with the bottom beam of the hydrogen tank frame, locking the frame in place and allowing for continued hydrogen supply to the vehicle.

[0020] This invention achieves rapid and precise docking of the hydrogen tank frame through the coordinated operation of the communication connector of the hydrogen replacement base, the locking mechanism, the bottom beam of the hydrogen tank frame, and the guiding device, thereby improving the speed and efficiency of docking and replacement of the hydrogen tank frame. Attached Figure Description

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0022] Figure 1 This is a schematic diagram of the structure of this utility model without the box panel;

[0023] Figure 2 This is the outline drawing of this utility model;

[0024] Figure 3 This is a schematic diagram of the hydrogen exchange base structure;

[0025] Figure 4 yes Figure 3 The main view;

[0026] Figure 5 This is a partial structural diagram of the hydrogen tank frame;

[0027] Figure 6 yes Figure 5 A bottom view.

[0028] Explanation of reference numerals in the attached figures

[0029] 1. Hydrogen tank frame; 11. Insertion hole; 12. Support frame; 121. Pad block; 13. Box plate; 14. Bottom beam; 2. Hydrogen exchange base; 21. Main frame; 22. Locking mechanism; 221. Drive cylinder; 222. Insert rod; 3. Hydrogen storage tank; 41. First connector of communication connector; 42. Second connector of communication connector; 51. First guide post; 510. First guide ramp; 6. Bracket assembly; 61. Flange clamp; 7. Second guide post; 71. Guide cone; 8. Spring assembly. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other manners different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore, the utility model is not limited to the specific embodiments disclosed below.

[0031] As shown in the drawings, Figures 1-6 The utility model discloses a structure of replaceable hydrogen tank and matched hydrogen tank bottom support, including hydrogen tank frame 1 and be used for with hydrogen tank frame 1 bottom detachable connection hydrogen bottom support 2, hydrogen tank frame 1 inside fixed mounting multiple hydrogen storage tank 3, multiple hydrogen storage tank 3 stratified setting in hydrogen tank frame 1, hydrogen bottom support 2 fixed setting on the vehicle of waiting hydrogen replacement,

[0032] As shown in the drawings, Figure 1 、 Figure 3 、 Figure 4 Hydrogen bottom support 2 includes main frame 21 and at least one locking mechanism 22 arranged on main frame 21, the bottom of hydrogen tank frame 1 is fixedly provided with a bottom beam 14, main frame 21 is clamped as a whole with the bottom beam 14 of hydrogen tank frame 1 through the locking mechanism 22 on it, to realize the close connection of hydrogen tank frame 1 and main frame 21. Guiding device is fixedly arranged on main frame 21. In the embodiment, the bottom beam 14 is horizontally arranged.

[0033] As shown in the drawings, Figure 6 The bottom of hydrogen tank frame 1 is fixedly provided with a communication connector first connector 41, and a communication connector second connector 42 is fixedly arranged in main frame 21, and the communication connector second connector 42 is opposite to the communication connector first connector 41.

[0034] As shown in the drawings, Figure 1 、 Figure 2 、 Figure 3 、 Figure 6As shown, the utility model of include hydrogen tank frame 1 and the hydrogen replacement bottom support 2 of supporting, can replace the hydrogen tank frame 1 that has filled good hydrogen when hydrogen energy tank hydrogen gas is exhausted, provides power energy in time for the hydrogen replacement vehicle. The utility model through the quick disengagement of locking mechanism 22 and the bottom beam 14 of hydrogen tank frame 1, can realize quick untying hydrogen tank frame 1, then can directly catch hydrogen tank frame 1 to fill hydrogen through hoisting device, catch the hydrogen tank frame 1 that has filled hydrogen again, under the assistance of the guiding device of hydrogen replacement bottom support 2, fall in the accurate position on hydrogen replacement bottom support 2, make its bottom communication connector first joint and the communication connector second joint on hydrogen replacement bottom support 2 and opposite interface after realizing communication connection, through the locking mechanism 22 of hydrogen replacement bottom support 2 and the bottom beam 14 of hydrogen tank frame 1 cooperate and realize the locking of hydrogen tank frame 1, can continue to supply hydrogen energy for vehicle. The utility model through the locking mechanism 22 of hydrogen replacement bottom support 2, the bottom beam 14 of hydrogen tank frame 1, the common cooperation of guiding device etc. have realized the quick and accurate butt joint of hydrogen tank frame 1.

[0035] As Figures 1-5As shown, the locking mechanism 22 includes a driving cylinder 221 connected with the main frame 21, and a plug rod 222 fixedly connected with the piston rod end of the driving cylinder 221. The driving cylinder 221 can drive the plug rod 222 to extend in the direction towards the outside of the main frame 21, the plug rod 222 extends and retracts in the horizontal direction, the upper and lower parts of the free end of the plug rod 222 are provided with inclined surfaces, and the bottom beam 14 of the hydrogen tank frame 1 is also provided with wear-resistant inclined surfaces corresponding to the positions of the plug rod 222. In the process of extending outward, the gap between the plug rod 222 and the bottom beam 14 of the hydrogen tank frame 1 becomes smaller and smaller, until the hydrogen tank frame 1 is pressed tightly, so that the hydrogen tank frame 1 is fixed. The number of locking mechanisms 22 is six, which are uniformly arranged at the bottom of the hydrogen tank frame 1 and firmly press the hydrogen tank frame 1 at six points. The six locking mechanisms 22 are distributed on the four edges of the main frame 21, wherein the number of locking mechanisms 22 on the long edge is two, the extension direction (i.e. the axial direction of the plug rod 222) of the locking mechanism is parallel to the axial direction of the wide edge; the number of locking mechanisms 22 on the wide edge is one, and the extension direction (i.e. the axial direction of the plug rod 222) of the locking mechanism is parallel to the axial direction of the long edge. The hydrogen tank frame 1 includes a support frame 12 in the shape of a cuboid, and tank plates 13 fixedly arranged on the periphery and the top of the support frame 12. A plurality of tank plates 13 are combined to form a sealed cover for protecting the hydrogen storage tank 3. The tank plate 13 is provided with a plug hole 11 corresponding to the position of the locking mechanism, which can be used to observe the locking condition of the plug rod 222 and the bottom beam 14. The number of bottom beams 14 is multiple, and the multiple bottom beams combine to form a rectangular frame, which is fixedly arranged at the bottom edge of the support frame 12. The rectangular frame is fixedly connected with the gasket 121 for cooperating with the bottom surface of the plug rod 222 through bolts. The top surface of the gasket 121 is an inclined surface inclined to the inner lower part of the support frame 12. The inclined surface is the wear-resistant inclined surface provided on the bottom beam 14 corresponding to the position of the plug rod 222. When the plug rod 222 is inserted into the plug hole 11, it can be tightly fitted with the wear-resistant inclined surface of the gasket 121, and the plug rod 222 can be locked through the inclined surface. This can avoid damage caused by shaking, displacement or overturning of the hydrogen tank frame during operation of the new energy vehicle, and can ensure stable operation of the equipment.

[0036] The guide device comprises a first guide column 51 fixedly arranged on the main frame 21. The first guide column 51 is vertically arranged and has a square column structure. In this embodiment, a cavity is arranged in the first guide column 51. The upper portion of the first guide column 51 is provided with a first guide inclined surface 510. In this embodiment, the first guide inclined surface 510 is located at the upper portion of the side of the first guide column 51 away from the center of the main frame 21. The high end of the first guide inclined surface 510 is closer to the center of the main frame 21 than the low end. The low end of the first guide inclined surface 510 extends to the side surface of the side of the first guide column 51 away from the center of the main frame 21. The number of the first guide columns 51 is consistent with and one-to-one corresponds to the number of the locking mechanisms 22. The cylinder seat of the drive cylinder 221 is fixedly installed on the side of the first guide column 51 close to the center of the main frame 21. The piston rod of the drive cylinder 221 penetrates through the side of the first guide column 51 away from the center of the main frame 21 and is fixedly connected with the plug rod 222. The first guide column 51 has the functions of guiding and supporting the locking mechanism 22, and the installation space is reasonably planned.

[0037] When the hydrogen tank frame 1 and the hydrogen replacement bottom support 2 are connected, the hydrogen tank frame 1 provided with the hydrogen storage tank 3 falls. One side of the lower portion of the hydrogen tank frame 1 will first contact the first guide inclined surface 510 of the corresponding side of the first guide column 51. At this time, the hydrogen tank frame 1 can slide along the first guide inclined surface 510 of the corresponding side to preliminarily and roughly position the hydrogen tank frame 1, and the hydrogen tank frame 1 can also avoid contacting other components of the hydrogen replacement bottom support 2.

[0038] In this embodiment, a plurality of groups of bracket assemblies 6 for fixing the hydrogen storage tank 3 are fixedly arranged in the hydrogen tank frame 1. Each group of bracket assemblies 6 corresponds to one hydrogen storage tank 3. Each group of bracket assemblies 6 comprises at least two flange clamps 61 arranged in the axial direction of the hydrogen storage tank 3. In this embodiment, each group of bracket assemblies 6 comprises two flange clamps 61. The flange clamps 61 are split type flange clamps. The bracket assemblies 6 are arranged in multiple rows in the vertical direction. Each row has at least two groups of bracket assemblies 6. The axial directions of the bracket assemblies 6 in the same row are parallel. This can ensure that the plurality of hydrogen storage tanks 3 are arranged in layers in the hydrogen tank frame 1, thereby effectively utilizing the space in the hydrogen tank frame 1.

[0039] In order to realize the accurate alignment of the hydrogen tank frame 1, a plurality of second guide columns 7 are fixedly arranged on the main frame 21, the bottom of the hydrogen tank frame 1 is provided with positioning holes for cooperating with the second guide columns 7, and the upper part of the second guide column 7 is a guide cone 71 in the shape of a circular truncated cone with a small upper part and a large lower part. The positioning holes at the bottom of the hydrogen tank frame 1 can be quickly positioned downward along the inclined surface of the guide cone 71 at the upper part of the second guide column 7 to realize further fine alignment. In order to reduce the wear between the second guide column 7 and the positioning hole when the second guide column 7 penetrates into the positioning hole, the hole diameter of the positioning hole is slightly larger than the outer diameter of the middle part of the second guide column 7, and the middle part of the second guide column 7 is in the shape of a cylinder. In addition, in order to enable the second guide column 7 to be tightly connected with the positioning hole after the alignment is completed, so as to enhance the stability of the connection between the hydrogen tank frame 1 and the hydrogen replacement bottom support 2, the lower part of the second guide column 7 is arranged in the shape of a circular truncated cone with a small upper part and a large lower part. The top end of the second guide column 7 is lower than the bottom end of the first guide inclined surface 510 of the first guide column 51, so that after the hydrogen tank frame 1 is preliminarily coarsely guided by the first guide inclined surface 510 of the first guide column 51, the quick butt joint is realized, and then the positioning hole of the hydrogen tank frame 1 can be moved downward in the vertical direction after being guided by the guide cone 71 of the second guide column 7, so as to realize the accurate alignment between the hydrogen tank frame 1 and the hydrogen replacement bottom support 2. In the embodiment, the number of the second guide columns 7 is four, and the four second guide columns 7 are distributed in a rectangular shape, which is referred to as a second rectangular area. The four first guide columns 51 on the long side of the main frame 21 are distributed in a rectangular shape, which is referred to as a first rectangular area. The second rectangular area is located within the range of the first rectangular area, which can enhance the connection stability between the hydrogen tank frame 1 and the hydrogen replacement bottom support 2.

[0040] As Figure 3 , Figure 4As shown, the floating mechanism is fixed between the communication connector second joint 42 and the hydrogen replacement base 2. The floating mechanism comprises a plurality of vertically arranged spring assemblies 8, and the plurality of spring assemblies 8 are distributed at the edge of the bottom of the communication connector second joint 42. The spring assemblies 8 are elastically deformed in the vertical direction. The spring assemblies 8 can generate an upward elastic force on the communication connector second joint 42 when the communication connector first joint 41 and the communication connector second joint 42 are docked, so that the communication connector second joint 42 can be coupled with the communication connector first joint 41 smoothly, and the problem of incomplete docking can be avoided. The communication connector first joint 41 and the communication connector second joint 42 can realize the connection of the communication cable. The structure of the communication connector belongs to the prior art in the field. When the communication connector first joint 41 is the male plug of the communication connector, the communication connector second joint 42 is the female plug of the communication connector. When the communication connector first joint 41 is the female plug of the communication connector, the communication connector second joint 42 is the male plug of the communication connector. In addition, the hydrogen tank frame 1 and the hydrogen replacement base 2 of the utility model are also respectively provided with a gas connector first joint and a gas connector second joint. The gas connector first joint and the gas connector second joint can realize the connection of the gas pipeline after being connected. The gas connector also adopts the existing technology of the gas quick-mounting connector, can be quickly docked and connected, and can realize the connection of the gas pipeline.

[0041] Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A structure having a replaceable hydrogen tank structure and a matching hydrogen exchange tank base, characterized in that, The system includes a hydrogen tank frame and a hydrogen exchange base for detachable connection to the bottom of the hydrogen tank frame. Multiple hydrogen storage tanks are fixedly installed inside the hydrogen tank frame and are arranged in layers inside the hydrogen tank frame. The hydrogen exchange base is fixedly installed on the vehicle to be exchanged for hydrogen. The bottom of the hydrogen tank frame is fixedly provided with a bottom beam. The hydrogen exchange base includes a main frame and at least one locking mechanism provided on the main frame. The main frame is connected to the bottom beam as a whole through the locking mechanism. A guide device is fixedly provided on the main frame. Multiple sets of bracket assemblies for fixing hydrogen storage tanks are fixedly installed inside the hydrogen tank frame. Each set of bracket assemblies corresponds to one hydrogen storage tank. Each set of bracket assemblies includes at least two flange clamps arranged along the axial direction of the hydrogen storage tank. The flange clamps are split flange clamps. The bracket assemblies are arranged in multiple rows along the vertical direction, with at least two sets in each row. The axial directions of the bracket assemblies in the same row are parallel. The bottom of the hydrogen tank frame is fixedly provided with a first communication connector, and the main frame is fixedly provided with a second communication connector, which is connected to the first communication connector.

2. The structure with a replaceable hydrogen tank and a matching hydrogen exchange tank base as described in claim 1, characterized in that, The locking mechanism includes a drive cylinder connected to the main frame and an insert rod fixedly connected to the piston rod end of the drive cylinder. The drive cylinder drives the insert rod to press against the top of the corresponding side of the bottom beam.

3. The structure with a replaceable hydrogen tank and a matching hydrogen exchange tank base as described in claim 2, characterized in that, The guiding device includes a first guide post, the number of which is the same as the number of the locking mechanism and corresponds one-to-one. The cylinder seat of the driving cylinder is fixedly installed on the side of the first guide post near the center of the main frame. The piston rod of the driving cylinder passes through the side of the first guide post away from the center of the main frame and is fixedly connected to the insert rod. The upper part of the first guide post is provided with a first guide slope, and the higher end and lower end of the first guide slope are close to the center of the main frame.

4. The structure with a replaceable hydrogen tank and a matching hydrogen exchange tank base as described in claim 1, characterized in that, The guiding device also includes a plurality of second guide posts fixedly mounted on the main frame. The bottom of the hydrogen tank frame is provided with positioning holes for cooperating with the second guide posts. The upper part of the second guide post is a frustum-shaped guide cone that is smaller at the top and larger at the bottom.

5. The structure with a replaceable hydrogen tank and a matching hydrogen exchange tank base as described in claim 1, characterized in that, The hydrogen tank frame includes a cuboid support frame and box panels fixedly attached to the periphery and top of the support frame. Multiple box panels together form a sealing cover for protecting the hydrogen storage tank.

6. The structure with a replaceable hydrogen tank and a matching hydrogen exchange tank base as described in claim 1, characterized in that, A floating mechanism is fixedly installed between the second connector of the communication connector and the hydrogen exchange base.

7. A structure with a replaceable hydrogen tank structure and a matching hydrogen exchange tank base as described in claim 6, characterized in that, The floating mechanism includes a plurality of vertically arranged springs, which are distributed along the edge of the bottom of the second connector of the communication connector.

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