CN215184100U - Positioning device for fuel cell stack - Google Patents
Positioning device for fuel cell stack Download PDFInfo
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- CN215184100U CN215184100U CN202121247627.9U CN202121247627U CN215184100U CN 215184100 U CN215184100 U CN 215184100U CN 202121247627 U CN202121247627 U CN 202121247627U CN 215184100 U CN215184100 U CN 215184100U
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- fuel cell
- bottom plate
- cell stack
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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 relates to a positioning device for fuel cell electric pile, the device comprises a bottom plate, a plurality of positioning rods and a plurality of positioning supports, wherein, the upper surface of the bottom plate is provided with a plurality of positioning grooves, the periphery of each positioning groove is provided with a positioning screw hole, the lower ends of the positioning rods are inserted in the positioning grooves, the bottom of the positioning supports is provided with an installation screw hole matched with the positioning screw hole, and the positioning supports and the bottom plate are fixed by screws; the positioning rod is fixed with the middle part of the positioning bracket. The utility model discloses a positioner simple structure can quick accurate regulation location, and does not receive the restriction of dress heap height, reduces the processing cost on the basis of guaranteeing the precision and satisfying geometric tolerances, effectively improves dress heap efficiency.
Description
Technical Field
The utility model relates to a fuel cell technical field, concretely relates to a positioner for fuel cell galvanic pile.
Background
With the rapid development of the new energy automobile industry and the inclination of policies of countries around the world, the method represents the mainstream direction of the development of the fuel cell technology. The method is particularly important for providing a series of fuel cell stack products with competitive economic and performance indexes, higher requirements are provided for the consistency and standardization of the fuel cell structure, the stack loading efficiency, the installation precision, the form and position tolerance and the like of the fuel cell often influence the subsequent fuel cell system installation, the fuel cell structure is compact, the stack loading efficiency is effectively improved, the production and processing cost is reduced, and the consistency and standardization of the fuel cell structure are ensured.
However, at present, the installation of the fuel cell stack mostly depends on manual work, and has the defects of low stacking efficiency, low positioning precision, large form and position tolerance, no universality and the like. Therefore, there is a need in the art for a positioning device for a fuel cell stack that is fast in adjustment and accurate in positioning.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing a positioning device for a fuel cell stack, which is fast in adjustment and accurate in positioning.
In order to achieve the purpose of the present invention, the present application provides the following technical solutions.
In a first aspect, the present application provides a positioning device for a fuel cell stack, the device includes a bottom plate, a plurality of positioning rods, and a plurality of positioning brackets, wherein the upper surface of the bottom plate is provided with a plurality of positioning slots, a positioning screw hole is provided at the periphery of each positioning slot, the lower ends of the positioning rods are inserted into the positioning slots, mounting screw holes matched with the positioning screw holes are provided at the bottom of the positioning brackets, and the positioning brackets and the bottom plate are fixed by screws; the positioning rod is fixed with the middle part of the positioning bracket.
In an embodiment of the first aspect, one side of the positioning rod is an arc surface, and the opposite side is a vertical plane, where the arc surface contacts the stack, and the vertical plane contacts the positioning bracket. Through location arc surface and pile contact location on the locating lever, avoided the contact surface little too sharp-pointed to the damage of pile, when reducing with the area of contact of pile, effectively reduce frictional force promptly, guaranteed positioning accuracy again, make the pile can not appear because frictional force leads to the phenomenon that the mar appears or even breaks greatly in panel in fastening process.
In one embodiment of the first aspect, the positioning bracket is a right triangle, wherein the horizontal leg is in contact with the bottom plate and the vertical leg is in contact with the vertical plane of the positioning rod.
In an implementation manner of the first aspect, a threaded hole is formed in a vertical plane of the positioning rod, a waist-shaped hole is formed in a vertical right-angle surface of the positioning support, the threaded hole is matched with the waist-shaped hole, and the positioning rod and the positioning support are fixed through a screw installed in the waist-shaped hole. The structure can ensure that the positioning rod and the positioning bracket are tightly attached in the use process, namely the positioning rod and the bottom plate are in a vertical state.
Meanwhile, a waist-shaped hole is also formed in the horizontal right-angle surface of the positioning support. This setting can carry out accurate fine setting location to the locating lever, effectively avoids the spare part machining precision of galvanic pile to cause the form and position tolerance accumulation of piling up the in-process and surpasss the tolerance scope, has guaranteed the uniformity and the standardized requirement of galvanic pile structure. Because the machining tolerance of each part exists, the size of the positioning groove in the positioning device is generally a bit larger than that of the positioning rod, the positioning rod is inserted into the positioning groove and needs to be matched with the positioning groove on the electric pile end plate, and namely, the arc surface of the positioning rod needs to be tightly attached to the electric pile. Just at this moment just need promote the position of locating support and make locating lever and pile just can carry out fastening position after closely laminating, waist shape hole on the horizontal right angle face is changeed than the round hole and is adjusted the locating lever position, begins piling up and the installation of pile on this basis.
In one embodiment of the first aspect, the positioning groove includes a plurality of first positioning grooves and a plurality of second positioning grooves, and a positioning rod installed in the first positioning groove abuts against a short side of the electric pile; and the positioning rod arranged in the second positioning groove is abutted to the long edge of the electric pile.
In one embodiment of the first aspect, the first positioning grooves are arranged on two opposite sides of the bottom plate, and each side is provided with 1 or 2 first positioning grooves, and when the number of the first positioning grooves on each side is 2, the distance from the edge of the side is different.
In an embodiment of the first aspect, the second positioning grooves are disposed on two opposite side edges of the bottom plate, each side edge is provided with 3 to 5 second positioning grooves, and the distance from the second positioning holes to the edge of the side edge is at least 2.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the application provides an adjustable quick accurate location structure passes through the constant head tank on the bottom plate, only need adjust the locating lever and insert corresponding constant head tank in, both can be used to can satisfy the location of several kinds of different specification model fuel cell piles, need not to pile the solitary location frock of preparation to different specification model fuel cell, this kind of location structure can effectively fast switch over different model piles and pile up and the location work, it is more convenient and simple to make the pile assembling process, effective reduction in production cost, improve the efficiency of piling up.
(2) Through location arc surface and pile contact location on the locating lever, avoided the contact surface little too sharp-pointed to the damage of pile, when reducing with the area of contact of pile, effectively reduce frictional force promptly, guaranteed positioning accuracy again, make the pile can not appear because frictional force leads to the phenomenon that the mar appears or even breaks greatly in panel in fastening process.
(3) Through opening waist shape locating hole on the locating support, can carry out accurate fine setting location to the locating lever, effectively avoid galvanic pile spare part machining precision to cause and pile up the in-process geometric tolerances accumulation and exceed tolerance range, guaranteed the uniformity and the standardized requirement of galvanic pile structure.
Drawings
FIG. 1 is a schematic diagram of an exploded view of a positioning device of the present application;
FIG. 2 is a schematic view of a positioning device according to the present application;
FIG. 3 is a schematic structural diagram of a base plate according to the present application;
FIG. 4 is a schematic structural diagram of a positioning rod of the present application;
fig. 5 is a schematic structural diagram of a positioning bracket in the present application.
In the drawing, 1 is the bottom plate, 111 is the first constant head tank, 112 is the second constant head tank, 12 is the location screw, 2 is the locating lever, 21 is the arc surface, 22 is vertical plane, 23 is the screw hole, 3 is the locating support, 31 is vertical right angle face, 32 is waist type hole, 33 location waist type hole, 4 is the pile.
Detailed Description
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as is understood by those of ordinary skill in the art to which the invention belongs. All numerical values recited herein as between the lowest value and the highest value are intended to mean all values between the lowest value and the highest value in increments of one unit when there is more than two units difference between the lowest value and the highest value.
In the following description of the embodiments of the present invention, it is noted that in the detailed description of the embodiments, all the features of the actual embodiments may not be described in detail in order to make the description concise and concise. Modifications and substitutions may be made to the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the invention, and the resulting embodiments are within the scope of the invention.
The electric pile is formed by stacking a plurality of battery pieces, the position of the battery pieces needs to be ensured to be accurate in the stacking process, otherwise, the performance of the electric pile is influenced. The traditional stacking mode adopts manpower, but has low efficiency and inaccurate positioning.
An object of the application provides an adjustable quick accurate dress piles positioner structure, including bottom plate, locating support and locating lever, it has constant head tank and location screw hole to open on the locating bottom plate, and the constant head tank includes first constant head tank and second constant head tank, and the locating lever is inserted and is established in the constant head tank. The vertical plane of the positioning rod is provided with a threaded hole which is matched with a waist-shaped hole formed on the vertical right-angle surface of the positioning bracket.
The contact surface of the locating rod and the electric pile in the locating device is in contact with a locating arc surface, and the contact surface of the locating rod and the vertical right-angle surface of the locating support is in contact locating with a locating plane.
The vertical right-angle surface of the positioning support in the positioning device, which is close to the bottom plate, is provided with a kidney-shaped positioning hole for positioning and adjustment.
The positioning structure can be used for positioning, stacking and fastening fuel cell stacks of different models, and the positioning structure is made of common aluminum alloy materials and is low in processing cost.
Examples
The embodiments of the present invention will be described in detail below, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
The utility model provides a positioner for fuel cell pile, its structure is as shown in fig. 1 ~ 5, including bottom plate 1, locating support 3 and locating lever 2, bottom plate 1 is opened there are 6 second constant head tank 112 and 2 first constant head tank 111, wherein, 6 second constant head tank 112 divide into two sets ofly, every group is 3, in these three second constant head tank 112, it is the same to have two distances to bottom plate 1 side, another one is different to the distance of bottom plate side, as shown in fig. 3, so set up, make this positioner be applicable to 3 different width's pile 4. Each positioning slot is provided with a positioning screw hole 12.
The positioning support 3 adopts a right-angled triangle structure, and can effectively play a role in positioning and supporting. The positioning support 3 comprises a vertical right-angle surface 31 and a horizontal right-angle surface, a positioning waist-shaped hole 33 is formed in the horizontal right-angle surface, and the positioning waist-shaped hole 33 is matched with the positioning screw hole 12. The vertical right-angle surface 31 forms a vertical reference surface, so that the verticality requirement of the positioning rod in the positioning process is ensured.
The contact surface of the positioning rod 2 and the galvanic pile 4 adopts the arc surface 21, so that the problems that the friction force is too large and the contact surface is too small to damage the galvanic pile sharply, which are caused by too large contact surface, are avoided. One side surface of the positioning rod 2 opposite to the circular arc surface 21 is a vertical plane 22, and when in use, the vertical plane 22 is in contact with and clings to the vertical right-angle surface 31. Vertical plane 22 is equipped with screw hole 23, screws up vertical right-angle face 31 with the vertical plane 22 of locating lever 2 of locating support 3, makes the surface contact fasten more, and positioning accuracy is higher, guarantees the straightness requirement that hangs down.
The positioning bracket 3 is provided with a positioning waist-shaped hole 33 on a horizontal right-angle surface, the bottom plate 1 is provided with a positioning screw hole 12, the positioning waist-shaped hole 33 and the positioning screw hole 12 are mutually matched, and the positioning rod can be finely adjusted and positioned accurately. The positioning rod 2 is placed in the first positioning groove 111 or the second positioning groove 112. This setting can avoid surpassing tolerance range problem because of spare part machining precision of galvanic pile itself, can effectively carry out the positioning adjustment fast, simultaneously with for the bottom plate screw fastening, guarantees the straightness accuracy requirement in the location.
The embodiments described above are intended to facilitate the understanding and appreciation of the application by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present application is not limited to the embodiments herein, and those skilled in the art who have the benefit of this disclosure will appreciate that many modifications and variations are possible within the scope of the present application without departing from the scope and spirit of the present application.
Claims (7)
1. A positioning device for a fuel cell stack is characterized by comprising a bottom plate, a plurality of positioning rods and a plurality of positioning supports, wherein a plurality of positioning grooves are formed in the upper surface of the bottom plate, positioning screw holes are formed in the periphery of each positioning groove, the lower ends of the positioning rods are inserted into the positioning grooves, mounting screw holes matched with the positioning screw holes are formed in the bottoms of the positioning supports, and the positioning supports and the bottom plate are fixed through screws; the positioning rod is fixed with the middle part of the positioning bracket.
2. The positioning device for a fuel cell stack according to claim 1, wherein one side of the positioning rod is a circular arc surface, and the opposite side thereof is a vertical plane, wherein the circular arc surface is in contact with the stack, and the vertical plane is in contact with the positioning bracket.
3. The positioning device for a fuel cell stack of claim 2, wherein the positioning bracket is in the shape of a right triangle, wherein the horizontal leg is in contact with the bottom plate and the vertical leg is in contact with the vertical plane of the positioning rod.
4. The positioning device for the fuel cell stack as claimed in claim 3, wherein the positioning rod has a threaded hole on a vertical plane, the positioning bracket has a kidney-shaped hole on a vertical right-angle plane, the threaded hole and the kidney-shaped hole are matched, and the positioning rod and the positioning bracket are fixed by a screw installed in the kidney-shaped hole.
5. The positioning device for the fuel cell stack according to any one of claims 1 to 4, wherein the positioning groove includes a plurality of first positioning grooves and a plurality of second positioning grooves, and a positioning rod installed in the first positioning groove abuts against a short side of the stack; and the positioning rod arranged in the second positioning groove is abutted to the long edge of the electric pile.
6. The positioning device for a fuel cell stack according to claim 5, wherein the first positioning grooves are provided on two opposite sides of the base plate, and each side is provided with 1 or 2 first positioning grooves, which are different in distance from the edge of the side when the number of the first positioning grooves on each side is 2.
7. The positioning device for a fuel cell stack according to claim 5, wherein the second positioning grooves are formed on two opposite sides of the base plate, and each side is provided with 3 to 5 second positioning grooves, and the distance from the second positioning holes to the edge of the side is at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121247627.9U CN215184100U (en) | 2021-06-04 | 2021-06-04 | Positioning device for fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121247627.9U CN215184100U (en) | 2021-06-04 | 2021-06-04 | Positioning device for fuel cell stack |
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| Publication Number | Publication Date |
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| CN215184100U true CN215184100U (en) | 2021-12-14 |
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| CN202121247627.9U Active CN215184100U (en) | 2021-06-04 | 2021-06-04 | Positioning device for fuel cell stack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583229A (en) * | 2022-03-03 | 2022-06-03 | 武汉氢能与燃料电池产业技术研究院有限公司 | Positioning device for fuel cell stack assembly and use method thereof |
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2021
- 2021-06-04 CN CN202121247627.9U patent/CN215184100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583229A (en) * | 2022-03-03 | 2022-06-03 | 武汉氢能与燃料电池产业技术研究院有限公司 | Positioning device for fuel cell stack assembly and use method thereof |
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