A hydrogen fuel cell dual stack fixing bracket

Abstract

The utility model mainly relates to the field of fuel cell technology, and in particular to a hydrogen fuel cell dual stack fixing bracket. A hydrogen fuel cell dual stack fixing bracket includes a main support plate and a fixing assembly, wherein the fixing assembly is provided with at least one group, and each group of the fixing assembly includes two fixing frames, and the two fixing frames are spaced apart along the length direction of the main support plate to define a fixed installation space for preventing the dual stack from being placed together with the main support plate, and the fixing frame is composed of a first fixing frame and a second fixing frame, and the first fixing frame and the second fixing frame are distributed up and down and are detachably connected, wherein the first fixing frame is detachably connected to the main support plate, and the first fixing frame and the second fixing frame are detachably connected to the dual stack, respectively. The utility model has the characteristics of a simple and compact structure of a fixing bracket for a hydrogen fuel cell dual stack, low manufacturing cost, simple and firm assembly, and convenient transportation.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of fuel cells, and in particular to a hydrogen fuel cell dual-stack fixing bracket. Background Art

[0002] With the global attention paid to the development of hydrogen energy, the promotion of hydrogen fuel cell vehicles in my country is also gradually accelerating, and the production demand for hydrogen fuel cell engines is increasing. Among them, the fuel cell stack is one of the main core components of the hydrogen fuel cell engine. It is a device that converts hydrogen and oxygen into electrical energy through chemical methods, and ultimately provides power to the entire vehicle. In order to provide more power to hydrogen fuel cell vehicles, the hydrogen fuel cell stack can adopt dual stack technology to increase the power of the hydrogen fuel cell engine and provide more power output to the vehicle.

[0003] The existing fuel cell dual stack fixing bracket has problems such as complex structure, long processing time, high manufacturing cost, difficult assembly, and poor fixing stability. Utility Model Content

[0004] In view of this, the utility model provides a hydrogen fuel cell dual stack fixing bracket with simple and reliable design structure, low manufacturing cost, simple assembly, firmness and stability.

[0005] A hydrogen fuel cell dual-stack fixing bracket, comprising a main support plate and a fixing assembly, wherein the fixing assembly is provided with at least one group, each group of the fixing assembly comprises two fixing frames, the two fixing frames are spaced apart along the length direction of the main support plate, so as to define together with the main support plate a fixed installation space for preventing the dual-stack from being placed, the fixing frame is composed of a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame are distributed up and down and are detachably connected, wherein the first fixing frame is detachably connected to the main support plate, and the first fixing frame and the second fixing frame are detachably connected to the dual-stack, respectively.

[0006] Furthermore, the fixing components are provided in two groups, and the two groups of the fixing components are spaced apart and distributed along the width direction of the main support plate.

[0007] Furthermore, the first fixing frame is an "I"-shaped structure, and its lower end is provided with two strip-shaped through holes, and each of the strip-shaped through holes is threadedly installed with a first bolt, and the first bolt is used to connect and fix the first fixing frame to the main support plate; the first fixing frame is connected and fixed to the lower battery stack in the dual battery stack through a first fixing member.

[0008] Furthermore, the first fixing member includes a second bolt, the first fixing frame is provided with a plurality of first threaded through holes evenly distributed in the vertical direction, the lower stack shell in the dual stack is provided with a second threaded through hole adapted to the first threaded through hole, and the second bolt is threadedly installed in the first threaded through hole and the second threaded through hole to connect and fix the first fixing frame and the lower stack.

[0009] Furthermore, the number of the first threaded through hole and the number of the second threaded through hole are both three.

[0010] Furthermore, the second fixing frame is an inverted "T"-shaped structure, and a first through hole is provided at its lower end, and a second through hole is provided at the upper end of the first fixing frame that is adapted to and connected with the first through hole, and a third bolt is threadedly installed in the first through hole and the second through hole to connect and fix the first fixing frame and the second fixing frame; the second fixing frame is connected and fixed to the upper battery stack in the dual battery stack through a second fixing member.

[0011] Furthermore, the second fixing frame includes a fourth bolt, and the second fixing frame is provided with a plurality of third threaded through holes evenly distributed in the vertical direction, and the upper battery stack shell in the dual battery stack is provided with a fourth threaded through hole adapted to the third threaded through hole, and the fourth bolt is threadedly installed in the third threaded through hole and the fourth threaded through hole to connect and fix the second fixing frame and the upper battery stack.

[0012] Furthermore, there are three third threaded through holes and three fourth threaded through holes.

[0013] The technical solution provided by the utility model has the following beneficial effects: the utility model provides a fixing bracket for a hydrogen fuel cell dual stack, which ensures that the stack can be firmly fixed on the main support plate of the fuel cell engine through simple bracket assembly. The fixing bracket has the characteristics of simple and compact structure, low manufacturing cost, simple and firm assembly, and convenient transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a fixing bracket of a hydrogen fuel cell dual stack described in the utility model;

[0015] Figure 2 It is a structural schematic diagram of a fixing bracket of a hydrogen fuel cell dual stack described in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the first fixing frame of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the second fixing frame of the utility model. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model clearer, the implementation mode of the utility model will be further described below in conjunction with the accompanying drawings.

[0019] Please refer to Figure 1-4 An embodiment of the utility model provides a hydrogen fuel cell dual-stack fixing bracket, comprising a main support plate 10 and at least one group of fixing components, each group of the fixing components comprising two fixing frames, the two fixing frames being spaced apart along the length direction of the main support plate 10 so as to define together with the main support plate 10 a fixed installation space for preventing the dual-stack from being placed, the fixing frame being composed of a first fixing frame 20 and a second fixing frame 21, the first fixing frame 20 and the second fixing frame 21 being distributed up and down and detachably connected, wherein the first fixing frame 20 is detachably connected to the main support plate 10, and the first fixing frame 20 and the second fixing frame 21 are detachably connected to the dual-stack, respectively.

[0020] In the present invention, the dual stack is placed in a fixed installation space, and the dual stack is connected and fixed by a first fixing frame 20 and a second fixing frame 21. The dual stack includes an upper stack 101 and an upper stack 102, wherein the first fixing frame 20 is used to fix the upper stack 102, and the second fixing frame 21 is used to fix the upper stack 101. In the present invention, the detachable connection between the first fixing frame 20 and the second fixing frame 21 facilitates the disassembly and assembly of the fixing bracket, and the fixing bracket of the present invention ensures that the stack can be firmly fixed on the main support plate 10 of the fuel cell engine through a simple bracket assembly. The fixing bracket has the characteristics of simple and compact structure, low manufacturing cost, simple and firm assembly, and convenient transportation.

[0021] In the above embodiment, the first fixing frame 20 is an "I"-shaped structure, and two strip-shaped through holes 201 are provided at its lower end. A first bolt is installed in the internal thread of each of the strip-shaped through holes 201, and the first bolt is used to connect and fix the first fixing frame 20 to the main support plate 10; the first fixing frame 20 is connected and fixed to the upper battery stack 102 in the dual battery stack through a first fixing member.

[0022] In the present invention, the "I"-shaped fixing frame has a simple structure, and the strip-shaped through hole 201 above it can appropriately compensate for the length manufacturing tolerance of the stack to adapt to different models of hydrogen fuel cell stacks. The detachable fixing connection method of the bolt has the advantages of simple operation, good fixing effect and low implementation cost.

[0023] In the above embodiment, the first fixing member includes a second bolt, the first fixing frame 20 is provided with a plurality of first threaded through holes 202 evenly distributed in the vertical direction, the outer shell of the upper battery stack 102 in the dual battery stack is provided with a second threaded through hole adapted to the first threaded through hole 202, and the second bolt is threadedly installed in the first threaded through hole 202 and the second threaded through hole to connect and fix the first fixing frame 20 and the upper battery stack 102.

[0024] In the present invention, three first threaded through holes 202 and three second threaded through holes are provided, but in practical applications, the number of first threaded through holes 202 can be increased or decreased as needed. In order to ensure the fixing effect on the upper battery stack 102, a second bolt can be installed in each first threaded through hole 202, or a second bolt can be installed in any of the first threaded through holes 202. Similarly, the fixed connection method composed of bolts and threads has the advantages of simple operation, good fixing effect and low implementation cost.

[0025] In the above embodiment, the second fixing frame 21 is an inverted "T"-shaped structure, and a first through hole 211 is provided at its lower end, and a second through hole 203 is provided at the upper end of the first fixing frame 20 that is adapted to and connected with the first through hole 211, and a third bolt thread 30 is installed in the first through hole 211 and the second through hole 203 to connect and fix the first fixing frame 20 and the second fixing frame 21; the second fixing frame 21 is connected and fixed to the upper battery stack 101 in the dual battery stack through a second fixing member.

[0026] In the present invention, the "T"-shaped fixing frame has a firm structure and can stably support a hydrogen fuel cell stack of more than 50kg, with strong bearing capacity and stability. The first fixing frame 20 and the second fixing frame 21 are connected and fixed by bolts, which is convenient for disassembly and assembly, and also has a strong fixing effect.

[0027] In the above embodiment, the second fixing member includes a fourth bolt, and the second fixing frame 21 is provided with a plurality of third threaded through holes 212 evenly distributed in the vertical direction. The outer shell of the upper battery stack 101 in the dual battery stack is provided with a fourth threaded through hole matched with the third threaded through hole 212, and the fourth bolt is threadedly installed in the third threaded through hole 212 and the fourth threaded through hole to connect and fix the second fixing frame 21 and the upper battery stack 101.

[0028] In the present invention, similarly, the third threaded through hole 212 and the fourth threaded through hole are each provided with three, but in practical applications, the number of the third threaded through hole 212 and the fourth threaded through hole can be increased or decreased as needed. In order to ensure the fixing effect on the upper battery stack 101, the fourth bolt can be installed in each third threaded through hole 212, or the fourth bolt can be installed in any of the third threaded through holes 212. Similarly, the fixed connection method composed of bolt threads has the advantages of simple operation, good fixing effect and low implementation cost.

[0029] In the above embodiment, two groups of the fixing components are provided, and the two groups of the fixing components are spaced apart along the width direction of the main support plate 10 to define together with the main support plate 10 a fixed installation space for preventing the placement of a dual stack.

[0030] In the present invention, the more fixing components there are, the better the fixing effect of the dual stack is. Two sets of fixing components can achieve a stable installation of the dual stack and improve the bearing capacity of the fixing bracket.

[0031] In this document, the directional words such as front, back, top, and bottom are defined by the positions of the components in the drawings and the positions of the components relative to each other, and are only for the sake of clarity and convenience in expressing the technical solution. It should be understood that the use of the directional words should not limit the scope of protection claimed in this application.

[0032] In the absence of conflict, the above embodiments and features in the embodiments may be combined with each other.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydrogen fuel cell dual stack fixing bracket, comprising a main support plate and a fixing assembly, characterized in that: At least one group of the fixing components is provided, and each group of the fixing components includes two fixing frames, and the two fixing frames are spaced apart along the length direction of the main support plate to define together with the main support plate a fixed installation space for preventing the placement of a dual battery stack, and the fixing frame is composed of a first fixing frame and a second fixing frame, and the first fixing frame and the second fixing frame are distributed up and down and are detachably connected, wherein the first fixing frame is detachably connected to the main support plate, and the first fixing frame and the second fixing frame are respectively detachably connected to the dual battery stack.

2. A hydrogen fuel cell dual stack fixing bracket according to claim 1, characterized in that: The fixing components are provided in two groups, and the two groups of the fixing components are distributed at intervals along the width direction of the main support plate.

3. A hydrogen fuel cell dual stack fixing bracket according to claim 1, characterized in that: The first fixing frame is an "I"-shaped structure, and two strip-shaped through holes are provided at its lower end. A first bolt is installed in the inner thread of each strip-shaped through hole, and the first bolt is used to connect and fix the first fixing frame to the main support plate; the first fixing frame is connected and fixed to the lower battery stack in the dual battery stack through a first fixing member.

4. A hydrogen fuel cell dual stack fixing bracket according to claim 3, characterized in that: The first fixing member includes a second bolt, and the first fixing frame is provided with a plurality of first threaded through holes evenly distributed in the vertical direction. The lower stack shell in the dual stack is provided with a second threaded through hole adapted to the first threaded through hole, and the second bolt is threadedly installed in the first threaded through hole and the second threaded through hole to connect and fix the first fixing frame and the lower stack.

5. A hydrogen fuel cell dual stack fixing bracket according to claim 4, characterized in that: There are three first threaded through holes and three second threaded through holes.

6. A hydrogen fuel cell dual stack fixing bracket according to claim 1, characterized in that: The second fixing frame is an inverted "T"-shaped structure, with a first through hole at its lower end, and a second through hole that is adapted to and connected to the first through hole at its upper end, and a third bolt is threadedly installed in the first through hole and the second through hole to connect and fix the first fixing frame and the second fixing frame; the second fixing frame is connected and fixed to the upper battery stack in the dual battery stack through a second fixing piece.

7. A hydrogen fuel cell dual stack fixing bracket according to claim 6, characterized in that: The second fixing frame includes a fourth bolt, and the second fixing frame is provided with a plurality of third threaded through holes evenly distributed in the vertical direction. The upper battery stack shell in the dual battery stack is provided with a fourth threaded through hole adapted to the third threaded through hole, and the fourth bolt is threadedly installed in the third threaded through hole and the fourth threaded through hole to connect and fix the second fixing frame and the upper battery stack.

8. A hydrogen fuel cell dual stack fixing bracket according to claim 7, characterized in that: There are three third threaded through holes and three fourth threaded through holes.

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