CN211507788U - Electric pile spring mounting structure and electric pile - Google Patents
Electric pile spring mounting structure and electric pile Download PDFInfo
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- CN211507788U CN211507788U CN201922480628.7U CN201922480628U CN211507788U CN 211507788 U CN211507788 U CN 211507788U CN 201922480628 U CN201922480628 U CN 201922480628U CN 211507788 U CN211507788 U CN 211507788U
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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 discloses a galvanic pile spring mounting structure and a galvanic pile, which belong to the technical field of batteries, and comprise a first fixed end plate, a through hole is arranged on the first fixed end plate, a floating end plate is provided with a limiting part, one end of the limiting part extends into the through hole, and the limiting part can slide relative to the through hole; and the disc spring is sleeved on the limiting part and is positioned between the first fixed end plate and the floating end plate. The utility model provides a galvanic pile spring mounting structure can carry on spacingly to belleville spring through the locating part, avoids in galvanic pile equipment process or when the galvanic pile receives the ascending vibration of the central axis vertically side with belleville spring in the course of the work, and the relative unsteady end plate of belleville spring produces to shift or deviates from between unsteady end plate and the first fixed end plate. In addition, through the setting of wear-to-establish hole and locating part, can make the floating end plate can remove relative first fixed end plate to through belleville spring's flexible, make the clamp force keep the equilibrium.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a galvanic pile spring mounting structure and galvanic pile.
Background
A fuel cell is an energy conversion device that electrochemically converts chemical energy stored in a fuel and an oxidant isothermally directly into electrical energy. To achieve a higher voltage, multiple fuel cells are typically integrated together and connected in series to form a fuel cell stack.
A conventional fuel cell pair is configured by assembling a plurality of single cells by two fixed end plates via tie rods, and the tie rods of the fuel cell stack are fastened by nuts. Because spare parts such as bipolar plate, joint strip, membrane electrode all have machining tolerance, for making the clamp force of multisection single cell group balanced, be provided with a floating end plate usually, floating end plate and one of them fixed end plate press from both sides tight multisection battery, be provided with belleville spring between floating end plate and the other fixed end plate, make the clamp force keep balanced through floating end plate and belleville spring, belleville spring generally chooses for use a plurality of belleville spring. However, when the disc spring is assembled, the contact area between the disc spring and the floating end plate and the corresponding fixed end plate is small, so that the disc spring is easy to displace, and the assembly difficulty is high. And when the electric pile is subjected to vibration in the direction perpendicular to the central axis of the disc spring in the process, the disc spring is easy to displace relative to the floating end plate and the corresponding fixed end plate, and even the disc spring is separated from the space between the floating end plate and the corresponding fixed end plate, so that the whole fuel cell pile collapses.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a galvanic pile spring mounting structure and galvanic pile to realize being convenient for belleville spring's installation, avoid the galvanic pile when receiving the ascending vibration of the central axis vertically with belleville spring's side, belleville spring relative floating end plate and the fixed end plate that corresponds produce to shift or deviate from between floating end plate and the fixed end plate that corresponds.
As the conception, the utility model adopts the technical proposal that:
a stack spring mounting structure comprising:
a first fixed end plate, which is provided with a through hole,
the floating end plate is provided with a limiting piece, one end of the limiting piece extends into the through hole, and the limiting piece can slide relative to the through hole;
and the disc spring is sleeved on the limiting part and is positioned between the first fixed end plate and the floating end plate.
Further, the limiting piece is in clearance fit with the disc spring.
Further, the limiting piece is in clearance fit with the through hole.
Furthermore, the limiting member is detachably connected or fixedly connected to the floating end plate.
Further, the floating end plate is provided with a mounting hole, the mounting hole is a threaded hole, and the limiting part is installed in the threaded hole in a threaded manner.
Further, the limiting parts and the through holes are provided with a plurality of corresponding holes, and each limiting part is sleeved with the disc spring.
Further, seted up the intercommunication on the first fixed end plate the spacing hole of wearing to establish the hole, spacing hole with be formed with the ladder face between the wearing to establish the hole, the belleville spring butt in the ladder face.
In order to achieve the above object, the present invention further provides a stack, including a stack spring mounting structure in any one of the above schemes.
Further, the galvanic pile further comprises a body and a second fixed end plate, wherein the body is positioned between the floating end plate and the second fixed end plate, the floating end plate is positioned between the body and the first fixed end plate, and the first fixed end plate is connected to the second fixed end plate.
Furthermore, the galvanic pile further comprises a pull rod, one end of the pull rod is connected to the first fixed end plate, and the other end of the pull rod is connected to the second fixed end plate.
The utility model has the advantages that:
the utility model provides a galvanic pile has galvanic pile spring mounting structure, and through be provided with the locating part on the end plate that floats, set up on first fixed end plate and wear to establish the hole, can carry on spacingly to belleville spring through the locating part, avoids in galvanic pile equipment in-process, and belleville spring relative floating end plate and first fixed end plate produce the aversion. Meanwhile, when the pile works and is vibrated in the direction perpendicular to the central axis of the disc spring, the disc spring can be stably positioned between the floating end plate and the first fixed end plate, and the disc spring is prevented from shifting relative to the floating end plate or being separated from the space between the floating end plate and the first fixed end plate. In addition, through locating part and wear to establish the hole, can make the floating end plate can remove relative first fixed end plate to through belleville spring's flexible, make the clamp force keep the equilibrium.
Drawings
Fig. 1 is a schematic structural diagram of a galvanic pile provided by the present invention;
fig. 2 is a first disassembly schematic diagram of the galvanic pile provided by the present invention;
fig. 3 is a second schematic view for disassembling the galvanic pile provided by the present invention.
In the figure:
1. a first fixed end plate; 11. perforating holes; 12. a limiting hole; 13. a first fixing hole;
2. a floating end plate; 21. a limiting member; 22. mounting holes;
3. a disc spring;
4. a body;
5. a second fixed end plate;
6. a pull rod;
7. a fastener.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to 3, the present embodiment provides a stack, which includes a body 4, a first fixed end plate 1, a second fixed end plate 5, a floating end plate 2, tie rods 6 and fasteners 7, wherein the body 4 is located between the first fixed end plate 1 and the floating end plate 2, the floating end plate 2 is located between the body 4 and the first fixed end plate 1, and the first fixed end plate 1 and the second fixed end plate 5 are connected through the tie rods 6 and the fasteners 7. Specifically, first fixed orifices 13 have been seted up on first fixed end plate 1, have seted up the second fixed orifices on the fixed end plate 5 of second, and the one end of pull rod 6 is provided with limit structure, and the external screw thread has been seted up to the other end, and threaded connection is in fastener 7 behind second fixed orifices and the first fixed orifices 13 passed to the one end that external screw thread was seted up to pull rod 6, realizes fixing first fixed end plate 1 and second end plate 5. The fastening member 7 is preferably a nut. The main body 4 includes a bipolar plate, a sealing rubber strip, a membrane electrode, and other structures, which are common structures in the conventional electric stack and are not described in detail herein.
In addition, still be provided with belleville spring 3 between above-mentioned first fixed end plate 1 and the end plate 2 that floats to balanced clamp force, and cushion body 4 when 4 expend with heat and contract with cold, aerify and exhaust body 4, make this physical stamina 4 enough by the steady clamp tightly through the change of elastic force, compensate the tolerance of each spare part of galvanic pile simultaneously, make the clamp force keep balanced. The disc spring 3 is preferably a spring, and more preferably a disc spring. Of course, in other embodiments, the disc spring 3 may also be an elastic sleeve or the like.
This embodiment still provides a galvanic pile spring mounting structure, including above-mentioned first fixed end plate 1, belleville spring 3 and floating end plate 2, seted up wear to establish hole 11 on the first fixed end plate 1. The floating end plate 2 is provided with a limiting member 21, one end of the limiting member 21 extends into the through hole 11, and the limiting member 21 can slide relative to the through hole 11. The disc spring 3 is sleeved on the limiting member 21, and the disc spring 21 is located between the first fixed end plate 1 and the floating end plate 2.
It can be understood that, through be provided with locating part 21 on floating end plate 2, set up wear to establish hole 11 on first fixed end plate 1, can carry on spacingly to belleville spring 3 through locating part 21, avoid in the pile assembling process or during the pile receives the vibration of belleville spring 3's the central axis vertically direction in the course of the work, belleville spring 3 floats end plate 2 and first fixed end plate 1 relatively and produces the aversion, and can make floating end plate 2 remove first fixed end plate 1 relatively, so that belleville spring 3 can full play a role, also make the clamp force keep the equilibrium through belleville spring 3's flexible promptly.
Further, the disc spring 3 and the stopper 21 are clearance-fitted. Specifically, the clearance between the stopper 21 and the disc spring 3 is less than 1 mm. By setting disc spring 3 and limiting member 21 to be in clearance fit, it is possible to avoid friction between disc spring 3 and limiting member 21 from affecting the expansion and contraction of disc spring 21.
Further, the through hole 11 is in clearance fit with the limiting member 21. Specifically, the limiting member 21 is a cylindrical structure, the through hole 11 is a circular hole, and the inner diameter of the circular hole is larger than the outer diameter of the cylindrical structure. Set up to wearing to establish hole 11 and locating part 21 clearance fit to when can avoiding locating part 21 to slide relative wearing to establish hole 11, produce the friction between the inner wall with wearing to establish hole 11, influence the removal of locating part 21.
Further, in the present embodiment, the stopper 21 is detachably attached to the floating end plate 2. Specifically, the floating end plate 2 is provided with a mounting hole 22, the mounting hole 22 is a threaded hole, and the limiting member 21 is threadedly mounted in the threaded hole. In order to avoid the influence on the structural strength of the floating end plate 2 caused by the large inner diameter of the mounting hole 22, in the present embodiment, the limiting member 21 includes a first shaft and a second shaft connected to each other, the diameter of the first shaft is smaller than that of the second shaft, the first shaft is threadedly mounted in the threaded hole, and one end of the second shaft, which is far away from the first shaft, extends into the through hole 11. Of course, in other embodiments, the limiting member 21 may also be fixed to the floating end plate 2, for example, by welding.
Furthermore, a limiting hole 12 communicated with the through hole 11 is formed in the first fixing end plate 1, a step surface is formed between the limiting hole 12 and the through hole 11, and the disc spring 3 abuts against the step surface. It will be appreciated that the inner diameter of the limiting hole 21 is greater than the inner diameter of the through hole 11, and the limiting hole 21 is located close to the floating end plate 2 relative to the through hole 11. Through setting up spacing hole 12, can further carry on spacingly to belleville spring 3 for belleville spring 3 can be stable follow the axis direction of self flexible.
Further, the limiting members 21 and the through holes 11 are provided in a plurality and correspond to each other one by one. Each limiting member 21 is sleeved with a disc spring 3. The present embodiment exemplarily shows a case where four limiting members 21 and four through holes 11 are provided. As shown in fig. 2 and fig. 3, the floating end plate 2 and the first fixed end plate 1 are both rectangular plate-shaped structures, four limiting members 21 are disposed at equal intervals along the length direction of the floating end plate 2, and each limiting member 21 is located at the center position of the width direction of the floating end plate 2, correspondingly, four through holes 11 are disposed at equal intervals along the length direction of the first fixed end plate 1, and the central axis of each through hole 11 intersects and is perpendicular to the central axis of the width direction of the first fixed end plate 1. Above-mentioned setting can guarantee that body 4 is when the inflation shrinkage, and every belleville spring 3 homoenergetic is flexible along its central axis, and the guarantee pile can normally work.
In conclusion, the stack spring mounting structure provided by the embodiment can limit the disc spring 3 through the limiting part 21 by arranging the limiting part 21 on the floating end plate 2, and avoids the disc spring 3 from shifting relative to the floating end plate 2 and the first fixed end plate 1 in the stack assembling process. Meanwhile, in the working process of the pile, when the pile is subjected to vibration in the direction perpendicular to the central axis of the disc spring 3, the disc spring 3 can be stably positioned between the floating end plate 2 and the first fixed end plate 1, and the disc spring 3 is prevented from shifting relative to the floating end plate 2 or being separated from the space between the floating end plate 2 and the first fixed end plate 1. In addition, through the limiting member 21 and the through hole 11, the floating end plate 2 can move relative to the first fixed end plate 1, so that the clamping force is kept balanced through the expansion and contraction of the disc spring 3.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A stack spring mounting structure, comprising:
a first fixed end plate (1) which is provided with a through hole (11),
the floating end plate (2) is provided with a limiting piece (21), one end of the limiting piece (21) extends into the through hole (11), and the limiting piece (21) can slide relative to the through hole (11);
and the disc spring (3) is sleeved on the limiting part (21), and the disc spring (3) is positioned between the first fixed end plate (1) and the floating end plate (2).
2. The stack spring mounting structure according to claim 1, wherein the stopper (21) is clearance-fitted with the disc spring (3).
3. The stack spring mounting structure according to claim 1, wherein the stopper (21) is clearance-fitted with the through hole (11).
4. The stack spring mounting structure according to claim 1, characterized in that the retaining member (21) is detachably attached or fixedly attached to the floating end plate (2).
5. The stack spring mounting structure according to claim 4, wherein the floating end plate (2) is provided with a mounting hole (22), the mounting hole (22) is a threaded hole, and the limiting member (21) is threadedly mounted in the threaded hole.
6. The stack spring mounting structure according to claim 1, wherein the limiting member (21) and the through hole (11) are provided in plurality and in one-to-one correspondence, and each limiting member (21) is sleeved with the disc spring (3).
7. The stack spring mounting structure according to claim 1, wherein the first fixed end plate (1) is provided with a limiting hole (12) communicated with the through hole (11), a stepped surface is formed between the limiting hole (12) and the through hole (11), and the disc spring (3) abuts against the stepped surface.
8. A stack comprising the stack spring mounting structure of any one of claims 1-7.
9. The galvanic stack according to claim 8, further comprising a body (4) and a second fixed end plate (5), the body (4) being located between the floating end plate (2) and the second fixed end plate (5), the floating end plate (2) being located between the body (4) and the first fixed end plate (1), the first fixed end plate (1) being connected to the second fixed end plate (5).
10. The stack according to claim 9, characterized in that it further comprises tie rods (6), the tie rods (6) being connected at one end to the first fixed end plate (1) and at the other end to the second fixed end plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922480628.7U CN211507788U (en) | 2019-12-31 | 2019-12-31 | Electric pile spring mounting structure and electric pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922480628.7U CN211507788U (en) | 2019-12-31 | 2019-12-31 | Electric pile spring mounting structure and electric pile |
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| Publication Number | Publication Date |
|---|---|
| CN211507788U true CN211507788U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922480628.7U Active CN211507788U (en) | 2019-12-31 | 2019-12-31 | Electric pile spring mounting structure and electric pile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820925A (en) * | 2020-12-30 | 2021-05-18 | 上海捷氢科技有限公司 | Fuel cell stack assembly device and method |
| CN114050297A (en) * | 2021-10-19 | 2022-02-15 | 北京和瑞储能科技有限公司 | Automatic packaging device and method for assembling flow battery stack |
| CN114583233A (en) * | 2022-02-23 | 2022-06-03 | 佛山仙湖实验室 | Fuel cell stack fastening device |
| CN115020777A (en) * | 2022-06-01 | 2022-09-06 | 中汽创智科技有限公司 | Fuel cell stack pressing device and fuel cell |
| CN115149064A (en) * | 2022-09-05 | 2022-10-04 | 广东佛燃科技有限公司 | Clamp for high-temperature solid oxide fuel cell stack |
-
2019
- 2019-12-31 CN CN201922480628.7U patent/CN211507788U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820925A (en) * | 2020-12-30 | 2021-05-18 | 上海捷氢科技有限公司 | Fuel cell stack assembly device and method |
| CN112820925B (en) * | 2020-12-30 | 2021-11-26 | 上海捷氢科技有限公司 | Fuel cell stack assembly device and method |
| CN114050297A (en) * | 2021-10-19 | 2022-02-15 | 北京和瑞储能科技有限公司 | Automatic packaging device and method for assembling flow battery stack |
| CN114050297B (en) * | 2021-10-19 | 2023-06-16 | 北京和瑞储能科技有限公司 | Automatic packing device and method for flow battery stack assembly |
| CN114583233A (en) * | 2022-02-23 | 2022-06-03 | 佛山仙湖实验室 | Fuel cell stack fastening device |
| CN114583233B (en) * | 2022-02-23 | 2024-04-02 | 佛山仙湖实验室 | Fuel cell pile fastening device |
| CN115020777A (en) * | 2022-06-01 | 2022-09-06 | 中汽创智科技有限公司 | Fuel cell stack pressing device and fuel cell |
| CN115020777B (en) * | 2022-06-01 | 2024-03-19 | 中汽创智科技有限公司 | Fuel cell stack compressing device and fuel cell |
| CN115149064A (en) * | 2022-09-05 | 2022-10-04 | 广东佛燃科技有限公司 | Clamp for high-temperature solid oxide fuel cell stack |
| CN115149064B (en) * | 2022-09-05 | 2022-11-29 | 广东佛燃科技有限公司 | Clamp for high-temperature solid oxide fuel cell stack |
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