CN210136968U - Adaptive pre-tightening type electric pile fixing device - Google Patents
Adaptive pre-tightening type electric pile fixing device Download PDFInfo
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- CN210136968U CN210136968U CN201921141782.5U CN201921141782U CN210136968U CN 210136968 U CN210136968 U CN 210136968U CN 201921141782 U CN201921141782 U CN 201921141782U CN 210136968 U CN210136968 U CN 210136968U
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- fastening
- steel belt
- fastening lug
- flat steel
- adaptive pre
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model provides a self-adaptation pretension formula galvanic pile fixing device, include: the first connector is provided with a first fastening lug at one end; one end of the second connector is provided with a second fastening lug; the flat steel belt comprises a sine wave-like bent thin steel belt and a cosine wave-like bent thin steel belt which are arranged in a staggered mode, one end of the flat steel belt is connected with the other end of the first junction device, and the other end of the flat steel belt is connected with the other end of the second junction device; and one end of the fastening bolt is connected with the first fastening lug, and the other end of the fastening bolt is connected with the second fastening lug. The utility model discloses use the inflation back that generates heat for a long time at fuel cell stack, can adjust according to fuel cell stack, protect fuel cell stack, prevent that fuel cell stack from being damaged.
Description
Technical Field
The utility model belongs to the technical field of fuel cell equipment, more specifically relates to a self-adaptation pretension formula galvanic pile fixing device.
Background
A fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy, and is also called an electrochemical generator. It is a fourth power generation technology following hydroelectric power generation, thermal power generation and atomic power generation. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction, and is not limited by the Carnot cycle effect, so the efficiency is high; in addition, fuel cells use fuel and oxygen as raw materials; meanwhile, no mechanical transmission part is arranged, so that no noise pollution is caused, and the discharged harmful gas is less. It follows that fuel cells are the most promising power generation technology from the viewpoint of energy conservation and ecological environment conservation. In the actual production process of the fuel cell stack, in order to obtain a stack with higher power, the number of sections for assembling the stack is increased, and then the stack is required to be fixed by a fixing device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can carry out the adaptive pretension formula galvanic pile fixing device who adjusts according to the fuel cell galvanic pile.
According to the utility model discloses an aspect provides an adaptive pretension formula galvanic pile fixing device, include:
the first connector is provided with a first fastening lug at one end;
one end of the second connector is provided with a second fastening lug;
the flat steel belt comprises a sine wave-like bent thin steel belt and a cosine wave-like bent thin steel belt which are arranged in a staggered mode, one end of the flat steel belt is connected with the other end of the first junction device, and the other end of the flat steel belt is connected with the other end of the second junction device;
and one end of the fastening bolt is connected with the first fastening lug, and the other end of the fastening bolt is connected with the second fastening lug.
In some embodiments, the first and second headers are steel plate-shaped.
In some embodiments, the two thin steel strips of the flat steel strip are bent in opposite directions.
In some embodiments, the elasticity provided by the two thin steel strips when stretched causes a corresponding lengthening of the length of the flat steel strip.
In some embodiments, the first fastening lug is provided with a connecting hole for the fastening bolt to connect, the second fastening lug is provided with a connecting hole for the fastening bolt to connect, and the ends of the first fastening lug and the second fastening lug provided with the connecting holes are both arc-shaped.
In some embodiments, the second header is a portion of the second header that is in a bent state when in the installed state.
The beneficial effects are as follows: the utility model discloses use the inflation back that generates heat for a long time at fuel cell stack, can adjust according to fuel cell stack, protect fuel cell stack, prevent that fuel cell stack from being damaged.
Drawings
Fig. 1 is a schematic structural view of an adaptive pre-tightening type stack fixing device according to an embodiment of the present invention in a natural state;
fig. 2 is a schematic structural view of an adaptive pre-tightening type stack fixing device according to an embodiment of the present invention in an installation state.
Detailed Description
Fig. 1-2 schematically show an adaptive pre-tensioned stack fixing device according to an embodiment of the present invention. As shown in fig. 1 and 2, an adaptive pre-tightening type stack fixing device includes a first header 1, a second header 2, a flat steel strip 3, and a fastening bolt 4.
The first header 1 is steel plate-shaped. One end of the first header 1 is provided with a first fastening lug 11. The first fastening lug 11 comprises a body and a connecting hole arranged on the body for connecting with the fastening bolt 4. The body of the first fastening lug 11 is a steel plate with a width smaller than that of the first junction box 1, one end of the body of the first fastening lug 11 is connected with the first junction box 1, the other end of the body is arc-shaped, and a connecting hole for connecting with the fastening bolt 4 is located at the end of the arc. The second header 2 is steel plate-shaped. One end of the second manifold 2 is provided with a second fastening lug 21. The second fastening lug 21 is provided with a connecting hole for the fastening bolt 4 to connect. The body of the second fastening lug 21 is a steel plate with a width smaller than that of the second header 2, one end of the body of the second fastening lug 21 is connected with the second header 2, the other end is arc-shaped, and a connecting hole for connecting with the fastening bolt 4 is located at the end of the arc. The length of the second header 2 is greater than the length of the first header 1. When the stack fixture is in the mounted state, a portion of the second header 2 is in a bent state. The flat steel belt 3 comprises a thin steel belt bent like sine waves and a thin steel belt bent like cosine waves which are arranged in a staggered mode, and the elasticity of the fixing device is improved. Specifically, the two thin steel strips are bent in opposite directions. The diameter of the two regularly undulated curved steel strips is much smaller than the diameter of the flat steel strip 3. One end of the flat steel belt 3 is connected with the other end of the first collector 1, and the other end of the flat steel belt 3 is connected with the other end of the second collector 2; the fixing band formed by sequentially connecting the first junction device 1, the flat steel band 3 and the second junction device 2 is sleeved on the electric pile, the fixing device is in an installation state through the fastening bolt 4, one end of the fastening bolt 4 is connected with the first fastening lug 11, and the other end of the fastening bolt is connected with the second fastening lug 21.
The utility model discloses use the inflation back that generates heat for a long time at fuel cell stack, can adjust according to fuel cell stack, protect fuel cell stack, prevent that fuel cell stack from being damaged.
What has been described above are only some embodiments of the invention. For those skilled in the art, without creative efforts, several modifications and improvements can be made, which all belong to the protection scope of the present invention.
Claims (6)
1. An adaptive pre-tensioned stack fixation device, comprising:
the first connector is provided with a first fastening lug at one end;
one end of the second connector is provided with a second fastening lug;
the flat steel belt comprises a sine wave-like bent thin steel belt and a cosine wave-like bent thin steel belt which are arranged in a staggered mode, one end of the flat steel belt is connected with the other end of the first junction device, and the other end of the flat steel belt is connected with the other end of the second junction device;
and one end of the fastening bolt is connected with the first fastening lug, and the other end of the fastening bolt is connected with the second fastening lug.
2. The adaptive pre-tensioned stack fixture according to claim 1 wherein the first and second headers are steel plate-shaped.
3. The adaptive pre-tensioned stack fixture according to claim 1 wherein the two thin steel strips of the flat steel strip are bent in opposite directions.
4. The adaptive pre-tensioned stack fixture according to claim 1 wherein the two thin steel strips provide elasticity that causes a corresponding lengthening of the length of the flat steel strip when stretched.
5. The adaptive pre-tensioned stack fixture according to claim 1, wherein the first fastening lug is provided with a connection hole for the fastening bolt connection, the second fastening lug is provided with a connection hole for the fastening bolt connection, and both ends of the first fastening lug and the second fastening lug provided with the connection hole are arc-shaped.
6. The adaptive pre-tensioned stack fixture of claim 1 wherein in an installed condition, a portion of the second header is in a bent condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141782.5U CN210136968U (en) | 2019-07-19 | 2019-07-19 | Adaptive pre-tightening type electric pile fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141782.5U CN210136968U (en) | 2019-07-19 | 2019-07-19 | Adaptive pre-tightening type electric pile fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210136968U true CN210136968U (en) | 2020-03-10 |
Family
ID=69707739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921141782.5U Active CN210136968U (en) | 2019-07-19 | 2019-07-19 | Adaptive pre-tightening type electric pile fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210136968U (en) |
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2019
- 2019-07-19 CN CN201921141782.5U patent/CN210136968U/en active Active
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