CN219778933U

CN219778933U - Electric pile

Info

Publication number: CN219778933U
Application number: CN202320397921.0U
Authority: CN
Inventors: 王兵; 杨敏; 王文军; 杨建波; 李恒; 杨瑞
Original assignee: Shanghai Electric Group Corp
Current assignee: Shanghai Electric Group Corp
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-09-29
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a galvanic pile, comprising: an inlet end plate, a blind end plate, a support rod, a laminated body and a base; the base and the blind end plate are arranged on the same side, and the base and the inlet end plate are arranged oppositely; the laminated body is arranged between the inlet end plate and the blind end plate, one end of the supporting rod is arranged on the inlet end plate, the other end of the supporting rod is arranged on the base or the blind end plate, the laminated body comprises a plurality of laminated sheets which are laminated together, and the supporting rod penetrates through the laminated sheets of the laminated body. The support rods are arranged in the electric pile, the support rods are connected with the laminated body in series, each laminated sheet of the laminated body can be suspended, and the support force of the laminated body is increased, so that the rigidity of the laminated body is increased, and the deformation is reduced.

Description

Electric pile

Technical Field

The utility model relates to the technical field of electric piles, in particular to an electric pile.

Background

In recent years, with the rapid development of the hydrogen energy industry, a fuel cell stack is a key development direction, and the fuel cell stack is developing into performances such as high power, long service life, high power density and the like; the number of bipolar plates in a high-power electric pile is increased, and the number of the bipolar plates is increased due to the sealing elastic structure, so that the stability in the electric pile is poor, the problems are also increased, the performance and the service life of the electric pile are affected, and the electric pile needs to be improved continuously.

For example, in general, there are many stacks of bipolar plates, MEA (membrane electrode assembly, membrane electrode) and the like in the middle of the stack, sometimes up to several hundred layers, there are seal structures such as glue lines on the stacks, the stacks are pressed together by two end plates (inlet end plate and blind end plate) on both sides and are fixed as a whole by screws or other means, although the outer sides of the two end plates apply a force of tens of kilonewtons, as each layer of the stacks is independent, under the action of gravity, the stacks inevitably drop down, the stacks can be caused to take on arc shapes with lower middle of rising ends, namely physical deformation, so that the stack performance is affected, the seal structures are also affected, leakage is caused, and even safety accidents occur in serious cases;

therefore, designing a stack that can reduce physical deformation of a laminate and reliably operate for a long time is one of the difficult problems that are urgently needed to be solved.

Disclosure of Invention

In view of the foregoing problems in the prior art, it is an object to provide a galvanic pile.

The specific technical scheme is as follows:

a galvanic pile, comprising essentially:

an inlet end plate, a blind end plate, a support rod, a laminated body and a base;

the base and the blind end plate are arranged on the same side, and the base and the inlet end plate are arranged oppositely; the laminated body is arranged between the inlet end plate and the blind end plate, one end of the supporting rod is arranged on the inlet end plate, the other end of the supporting rod is arranged on the base or the blind end plate, the laminated body comprises a plurality of laminated sheets which are laminated together, and the supporting rod penetrates through the laminated sheets of the laminated body.

In one embodiment, the pile further includes a clamping mechanism disposed at an end of the base for clamping the blind end plate.

In the above-mentioned pile, still have such characteristic, the tip of base is provided with the shoulder hole, the shoulder hole runs through the thickness direction of base, including kicking block hole, connecting hole and the voussoir hole of intercommunication in order, the kicking block hole with the aperture in voussoir hole is greater than the aperture in connecting hole, clamping mechanism set up in the shoulder hole.

In the above-mentioned pile, the clamping mechanism further has such a feature that the clamping mechanism includes a wedge, a top block and a tightening assembly, one end of the wedge is located in the wedge hole, the other end of the wedge extends out of the wedge hole and abuts against the side edge of the blind end plate, one end of the top block is located in the top block hole, the other end of the top block is located in the connecting hole, and the diameter of the top block is matched with the aperture of the connecting hole; one end of the jacking block is connected with the jacking assembly, the other end of the jacking block is matched with the wedge block through a first inclined plane arranged on the wedge block, a second inclined plane in contact with the blind end plate is arranged on the other side of the wedge block, and the blind end plate is tightly pressed under the action of the jacking block.

In the above-mentioned pile, still have such characteristic, the tight subassembly in top includes tight piece and mounting panel, the mounting panel is installed in the kicking block hole, tight piece in top wears to locate the mounting panel and can with the kicking block offsets, in order to promote the kicking block removes.

In the above-mentioned pile, the inside wall in the voussoir hole still has such characteristic, the inside wall in voussoir hole is equipped with the mounting hole, the extending direction in mounting hole with the extending direction in voussoir hole is perpendicular, be provided with first elastic component in the mounting hole, one end of first elastic component with the bottom in mounting hole offsets, the other end of first elastic component with the voussoir offsets.

In the above-mentioned pile, the pile further comprises a plurality of second elastic pieces, and the second elastic pieces are clamped between the blind end plate and the base.

In the above-mentioned electric pile, there is also a feature that a plurality of grooves are provided in the base, and the second elastic members are placed in the grooves one by one.

In the above-mentioned pile, the base or the blind end plate is provided with a plurality of protruding columns, the grooves are in one-to-one correspondence with the protruding columns, and the second elastic piece is sleeved on the protruding columns.

In the above-mentioned electric pile, the base further has such a characteristic, the base includes a bottom plate and an upper plate, the upper plate is located above the bottom plate, the outer side edge of the upper plate is away from the outer side edge of the bottom plate by a preset distance, and the groove is formed in the upper plate.

The technical scheme has the positive effects that:

the utility model provides a pile, wherein a support rod is arranged in a pile body, the support rod connects the pile bodies in series, each pile sheet of the pile bodies can be suspended, and the support force of the pile bodies is increased, so that the pile bodies have increased rigidity and reduced deformation.

The blind end plate is clamped and fixed laterally through the clamping mechanism arranged on the base, so that lateral displacement of the blind end plate can be prevented, and shaking of the blind end plate can be avoided; simultaneously, supporting force is provided in the vertical direction, the falling trend of the blind end plate can be lightened, a series of problems caused by the falling of the blind end plate are solved, and the physical deformation of the laminated body is further reduced.

Drawings

Fig. 1 is a schematic perspective view of a pile according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a stack according to the present utility model in an operating state;

FIG. 3 is a schematic diagram of a front view structure of a pile in an operating state according to the present utility model;

FIG. 4 is a schematic view of a partial structure of a stack in a first state according to the present utility model;

FIG. 5 is a schematic view of a partial structure of a stack in a second state according to the present utility model;

FIG. 6 is a schematic view of a laminate according to the present utility model;

FIG. 7 is a schematic view of a base according to the present utility model;

fig. 8 is a schematic structural diagram of a wedge provided by the present utility model.

In the accompanying drawings: 1. an inlet end plate; 11. an interface; 2. a blind end plate; 3. a laminate; 31. a laminated sheet; 32. an insulating plate; 321. a lug; 4. a base; 41. a bottom plate; 42. an upper plate; 5. a support rod; 6. a stepped hole; 6. a stepped hole; 61. a top block hole; 62. a connection hole; 63. wedge block holes; 631. a mounting hole; 7. a clamping mechanism; 71. wedge blocks; 711. a first inclined surface; 712. a second inclined surface; 72. a top block; 73. a jacking component; 731. a tightening member; 732. a mounting plate; 81. a first elastic member; 92. a second elastic member; 10. a connecting rod; a. a groove; b. and (5) a convex column.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-8, a preferred embodiment is shown, illustrating a galvanic pile comprising: an inlet end plate 1, a blind end plate 2, a laminated body 3, a base 4 and a supporting rod 5;

the base 4 and blind end plate 2 homonymy set up, and import end plate 1 and base 4 set up relatively, and blind end plate 2 sets up in the inside of pile, and the stromatolite body 3 sets up between import end plate 1 and blind end plate 2, and bracing piece 5 one end is installed in import end plate 1, and the other end of bracing piece 5 is installed in base 4 or blind end plate 2, and stromatolite body 3 is including a plurality of lamination pieces 31 that stack together, and stromatolite body 3 is worn to locate by bracing piece 5 lamination piece 31.

Specifically, a plurality of connectors 11 are provided on one side of the inlet end plate 1 away from the laminated body 3, the connectors 11 penetrate through the inlet end plate 1 and are communicated with the laminated body 3, the laminated body 3 comprises a collector plate and a plurality of laminated sheets 31, two outer sides of the laminated sheets 31 are respectively provided with a collector plate (not shown), an insulating plate 32 is respectively provided on the outer sides of the two collector plates, the total number of the insulating plates 32 is two, one insulating plate 32 is close to the inlet end plate 1, and the other insulating plate 32 is close to the blind end plate 2. The internal structure of the laminate 3 is the same as in the prior art, and will not be described here again. Alternatively, the lamination sheets 31 are laminated in the direction from the inlet end plate 1 to the blind end plate 2.

Optionally, the support bar 5 is provided with at least one, for example, in one embodiment, the support bar 5 is provided with one, the support bar 5 extending through the middle of the upper end of the laminate 31. In this embodiment, two support rods 5 are provided, one support rod 5 penetrates through the corner of the upper end of the laminated sheet 31, the other support rod 5 penetrates through the corner of the lower end of the laminated sheet 31, and the two support rods 5 are respectively located at the two corners of the laminated sheet 31, wherein the connecting line of the two corners is the diagonal line of the square laminated sheet 31, and thus, the arrangement can realize that the support rods 5 have relatively balanced supporting force on the laminated sheet 31. In another embodiment, the support bars 5 are provided in four, and the four support bars 5 are located at the four corners of the laminated sheet 31, respectively. Of course, in other embodiments, the support bar 5 may be provided with three or more, and the present utility model is merely illustrative and not intended to limit the present utility model. The support rods 5 connect the lamination sheets 31 in series, and the support rods 5 can suspend each lamination sheet 31 of the lamination body 3 to increase the supporting force of the lamination body 3, thereby increasing the rigidity of the lamination body 3 and reducing the deformation. Since electricity is supplied between the laminate 3 and the collector plate during operation, the support rod 5 is made of an insulating material and a material having high rigidity.

After the pile is assembled, the pile is placed in a direction shown in fig. 2 and 3, wherein the direction is the placement condition of the pile in a working state, the blind end plate 2 has certain rigidity and weight, and generally has a weight of a few kilograms (due to the difference of the pile sizes), the blind end plate 2 has a falling trend due to gravity and drives the laminated body 3 to fall, so that the deformation and the property change of the pile are caused; in the prior art, the blind end plate 2 has a lateral infinite position structure, and the blind end plate 2 can shake laterally due to the fact that the blind end plate 2 is only loose due to the clamping force of two sides along with the time, so that the falling trend of the blind end plate 2 is further increased. To reduce the tendency of the blind end plate 2 to fall, in this embodiment, the end of the base 4, in particular the bottom end, is provided with a clamping mechanism 7 which clamps the blind end plate 2.

Optionally, in this embodiment, the end of the base 4 is provided with a stepped hole 6, the stepped hole 6 penetrates through the thickness direction of the base 4, and includes a top block hole 61, a connecting hole 62 and a wedge block hole 63 which are sequentially communicated, the diameters of the top block hole 61 and the wedge block hole 63 are larger than those of the connecting hole 62, and the clamping mechanism 7 is disposed in the stepped hole 6.

The clamping mechanism 7 comprises a wedge block 71, a top block 72 and a propping assembly 73, one end of the wedge block 71 is positioned in the wedge block hole 63, the other end of the wedge block 71 is positioned in the connecting hole 62, one end of the top block 72 is positioned in the top block hole 61, the other end of the top block 72 is positioned in the connecting hole 62, and the diameter of the top block 72 is matched with the aperture of the connecting hole 62; one end of the jacking block 72 is connected with the jacking assembly 73, the other end of the jacking block 72 is matched with the wedge block 71 through a first inclined surface 711 arranged on the wedge block 71, and a second inclined surface 712 contacted with the blind end plate 2 is arranged on the other side of the wedge block 71 and can be used for compacting the blind end plate 2 under the action of the jacking block 72. The outer side of the wedge 71 is a side of the wedge 71 away from the blind end plate 2, the inner side of the wedge 71 is a side of the wedge 71 facing the blind end plate 2, the inner side of the top block 72 is a side of the top block 72 facing the wedge 71, and a first inclined surface 711 is provided on the outer side of the wedge 71 and is matched with the inner side of the top block 72 through the inclined surface. The inner side of the wedge 71 is also provided with a second inclined surface 712 having an inclined structure at the contact surface with the blind end plate 2. After the pile is installed, because the base 4 is fixed, the blind end plate 2 is located above the base 4 in the prior art, and a certain amount of activity is realized, in this embodiment, the blind end plate 2 is clamped from the side face through the clamping mechanism 7 located on the base 4, on the one hand, the lateral fixation of the blind end plate 2 can be realized, the shaking of the blind end plate 2 can be avoided, on the other hand, the lateral force applied by the jacking component 73 can be partially converted into the supporting force in the vertical direction, the supporting effect is realized on the blind end plate 2, the falling trend of the blind end plate 2 can be lightened, the series of problems caused by the falling of the blind end plate 2 are solved, and the physical deformation of the laminated body 3 is further reduced.

Optionally, the propping assembly 73 includes a propping element 731 and a mounting plate 732, wherein the mounting plate 732 is disposed in the top block hole 61, and the propping element 731 is penetrating through the mounting plate 732 and can prop against the top block 72 to push the top block 72 to move. Optionally, the tightening piece 731 is a jackscrew or screw. The mounting plate 732 is connected with the lower surface of the base 4, so that not only can the mounting plate 732 be fixed, but also the supporting of the top block 72 can be realized, and the top block 72 is prevented from falling out of the stepped hole 6.

Further, the inner side wall of the wedge hole 63 is provided with a mounting hole 631, the extending direction of the mounting hole 631 is perpendicular to the extending direction of the wedge hole 63, a first elastic element 81 is arranged in the mounting hole 631, one end of the first elastic element 81 is propped against the bottom of the mounting hole 631, and the other end of the first elastic element 81 is propped against the wedge 71. The inner side wall of the wedge hole 63 specifically means that the wedge hole 63 faces to the inner side of the wedge 71, the other end of the first elastic element 81 abuts against the inner side of the wedge 71, and the installation hole 631 is provided with the first elastic element 81 to reset the wedge 71. Alternatively, the first elastic member 81 is a spring.

Alternatively, in other embodiments, the clamping mechanism 7 includes clamping members (not shown), where vertical raised plates (not shown) are respectively disposed at two ends of the base 4, the clamping members penetrate the raised plates, one end of the clamping members is provided with a hand-held portion, the other end of the clamping members points to the blind end plate 2, and the blind end plate 2 can be clamped by rotating the clamping members, for example, the clamping members may be in a screw or other structure, and the clamping members are laterally disposed.

According to the utility model, the clamping mechanism 7 is designed, after the pile is assembled, the clamping mechanism 7 clamps and fixes the side face of the blind end plate 2, so that the blind end plate 2 can be prevented from shaking, and the falling trend of the blind end plate 2 can be reduced.

Optionally, a plurality of second elastic members 92 are further included, and the second elastic members 92 are sandwiched between the blind end plate 2 and the base 4. Optionally, a plurality of grooves a are provided in the base 4, and the second elastic members 92 are placed in the grooves a one to one. The base 4 or the blind end plate 2 is provided with a plurality of protruding columns b, the positions of the grooves a and the protruding columns b are in one-to-one correspondence, and the second elastic piece 92 is sleeved on the protruding columns b.

Alternatively, in the present embodiment, two clamping mechanisms 7 are provided, which are respectively provided at both ends of the base, and clamp the blind end plate 2 from both sides of the blind end plate 2, respectively.

Optionally, the base 4 includes a bottom plate 41 and an upper plate 42, the upper plate 42 is located above the bottom plate 41, a preset distance is left between an outer side edge of the upper plate 42 and an outer side edge of the bottom plate 41, and the groove a is disposed in the upper plate 42. Wherein, the top block hole 61 and the connecting hole 62 are positioned in the bottom plate 41, the wedge block hole 63 is positioned in the upper plate 42, the end part of the upper plate 42 is provided with a bump, the wedge block hole 63 is dug on the bump, and the wedge block hole 63 penetrates through the upper surface of the bump and one side surface far away from the blind end plate 2.

Further, a plurality of connecting rods 10 are used between the inlet end plate 1 and the base 4 to realize connection, the connecting rods 10 are specifically arranged in the peripheral area of the bottom plate 41, the connecting rods 10 do not penetrate through the blind end plate 2 and the upper plate 42, the connecting rods 10 are uniformly distributed around the base 4, connection between the inlet end plate 1 and the base 4 is realized, and a protective fence is formed on the periphery of the laminated body 3.

Further, in the present embodiment, there are two insulating plates 32, and the same side of the two insulating plates 32 is provided with a lug 321 protruding outward from the laminated body 3, the lug 321 being used to effect suspension of the stack.

In the electric pile provided by the utility model, the support rods 5 are arranged in the laminated body 3, the laminated body 3 is connected in series by the support rods 5, each laminated sheet 31 of the laminated body 3 can be suspended, and the supporting force of the laminated body 3 is increased, so that the rigidity of the laminated body 3 is increased, and the deformation is reduced.

After the pile is integrally assembled, the blind end plate 2 is clamped and fixed from the lateral direction through the clamping mechanism 7 at the end part of the base 4, so that the lateral displacement of the blind end plate 2 can be prevented, the shaking of the blind end plate 2 can be avoided, the falling trend of the blind end plate 2 can be lightened, the series of problems caused by the falling of the blind end plate 2 are solved, and the physical deformation of the laminated body 3 is further reduced.

The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. A galvanic pile, characterized by comprising: an inlet end plate, a blind end plate, a support rod, a laminated body and a base;

2. The stack of claim 1, further comprising a clamping mechanism disposed at an end of the base for clamping the blind end plate.

3. The electric pile according to claim 2, wherein the end portion of the base is provided with a stepped hole penetrating through the thickness direction of the base, the stepped hole comprises a top block hole, a connecting hole and a wedge block hole which are communicated sequentially, the aperture of the top block hole and the aperture of the wedge block hole are larger than the aperture of the connecting hole, and the clamping mechanism is arranged in the stepped hole.

4. A stack as set forth in claim 3, wherein said clamping mechanism comprises a wedge, a top block and a tightening assembly, one end of said wedge being located in said wedge aperture, the other end of said wedge extending out of said wedge aperture and abutting against a side edge of said blind end plate, one end of said top block being located in said top block aperture, the other end of said top block being located in said connecting aperture, the diameter of said top block being matched to the aperture of said connecting aperture; one end of the jacking block is connected with the jacking assembly, the other end of the jacking block is matched with the wedge block through a first inclined plane arranged on the wedge block, a second inclined plane in contact with the blind end plate is arranged on the other side of the wedge block, and the blind end plate is tightly pressed under the action of the jacking block.

5. The stack of claim 4, wherein the jack assembly comprises a jack member and a mounting plate, the mounting plate is mounted in the jack hole, and the jack member is disposed through the mounting plate and can abut against the jack to push the jack to move.

6. The pile according to claim 4, wherein the inner side wall of the wedge hole is provided with a mounting hole, the extending direction of the mounting hole is perpendicular to the extending direction of the wedge hole, a first elastic piece is arranged in the mounting hole, one end of the first elastic piece abuts against the bottom of the mounting hole, and the other end of the first elastic piece abuts against the wedge.

7. The stack of any one of claims 1 to 6, further comprising a plurality of second resilient members sandwiched between the blind end plate and the base.

8. The stack of claim 7, wherein a plurality of grooves are provided in the base, and the second elastic members are placed in the grooves one by one.

9. The galvanic pile according to claim 8, wherein the base or the blind end plate is provided with a plurality of protruding columns, the grooves are in one-to-one correspondence with the protruding columns, and the second elastic piece is sleeved on the protruding columns.

10. The stack of claim 8, wherein the base includes a bottom plate and an upper plate, the upper plate is located above the bottom plate, an outer side of the upper plate is spaced a predetermined distance from an outer side of the bottom plate, and the recess is disposed in the upper plate.