CN210576114U

CN210576114U - Hoisting beam and battery pack box

Info

Publication number: CN210576114U
Application number: CN201921721006.2U
Authority: CN
Inventors: 胡广伟; 杨政杰; 杜禾
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-05-19
Anticipated expiration: 2029-10-12

Abstract

The utility model relates to an energy storage device technical field provides a hoist and mount roof beam and battery package box, hoist and mount roof beam for install in the outside of battery package box, including external roof beam and two connecting pieces, external roof beam includes the intermediate beam and by the relative both ends of intermediate beam towards the engaging lug that the syntropy buckled to form, the engaging lug is including the portion of bending that is used for connecting the butt joint portion of battery package box and is used for connecting intermediate beam and butt joint portion, and each connecting piece is located the junction of corresponding intermediate beam and the portion of bending and is located the junction of butt joint portion and the portion of bending. The butt joint portion of engaging lug is connected with the battery package box, when the effort is applyed to the intermediate beam of external beam, the junction of the portion of bending of intermediate beam and engaging lug and the portion of bending and the junction of butt joint portion easily take place deformation and fracture because of joint strength is not enough, consequently, add a connecting piece in the department of easily taking place the fracture for improve joint strength in order to guarantee the holistic intensity demand of hoist and mount roof beam.

Description

Hoisting beam and battery pack box

Technical Field

The utility model relates to an energy storage device technical field especially provides a hoist and mount roof beam and have battery package box of this hoist and mount roof beam.

Background

The hoisting beam is a key structural part for testing the strength of the battery pack box body in the stage before the die sinking.

At present, the hoisting beam for the existing battery pack box body is simple in structure, cannot guarantee balance between strength requirements and weight, and is complex in implementation process. For example, in the prior application document with publication number CN202712300U, entitled power battery system casing, the casing is directly connected with a support beam (corresponding to the hoisting beam of the present application), which results in insufficient strength at the joint between the two.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoist and mount roof beam aims at solving the not enough problem of hoist and mount roof beam intensity requirement that current battery package box was used.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a hoist and mount roof beam for install in the outside of battery package box, including being used for connecting the external roof beam of battery package box and being used for improving connect two connecting pieces of roof beam and battery package box between installation intensity outward, external roof beam include the centre sill and by the engaging lug that the relative both ends of centre sill formed towards syntropy buckling, the engaging lug is including the butt joint portion that is used for connecting the battery package box and being used for connecting the centre sill with the portion of bending of butt joint portion, each the connecting piece is located and is corresponded the centre sill with the junction of the portion of bending and locating the butt joint portion with the junction of the portion of bending.

In one embodiment, the connecting piece comprises a first connecting plate, the first connecting plate comprises a first horizontal plate used for connecting the middle beam, a second horizontal plate used for connecting the butt joint part and a first inclined plate used for connecting the first horizontal plate and the second horizontal plate, and reinforcing plates used for connecting the bending parts are arranged on two opposite side edges of the first inclined plate.

In one embodiment, the middle beam comprises a rib arranged along the length direction of the middle beam and flanges horizontally and outwards protruding from two opposite ends of the rib, the first horizontal plate comprises a first plate body and first baffle plates formed by bending two opposite sides of the first plate body in the same direction, the rib is accommodated on the first plate body, and the two flanges are arranged on the corresponding first baffle plates.

In one embodiment, the second horizontal plate includes a second plate body and second baffles formed by bending two opposite sides of the second plate body in the same direction, and each of the second baffles is connected to the abutting portion.

In one embodiment, the second plate body is provided with a first mounting hole, and the abutting portion is provided with a second mounting hole matched with the first mounting hole.

In one embodiment, the connecting member further comprises two second connecting plates, each of the second connecting plates comprises a third horizontal plate for connecting the corresponding first baffle, a fourth horizontal plate for connecting the corresponding second baffle, and a second inclined plate for connecting the third horizontal plate and the fourth horizontal plate.

In one embodiment, each of the reinforcing plates includes a first sub-plate perpendicularly connected to the first inclined plate and a second sub-plate abutted to the bent portion, and one end of the second sub-plate is connected to the first sub-plate.

In one embodiment, the connector further comprises two third connecting plates, each of the third connecting plates comprising a first fixing plate perpendicular to the first horizontal plate and connected to the first sub-plate and the second baffle plate, respectively.

In one embodiment, one end of the first fixing plate extends outwards laterally and is bent towards one side of the first inclined plate, which is away from the bent part, so as to form a second fixing plate for connecting the first inclined plate.

The utility model has the advantages that: the utility model discloses a hoist and mount roof beam, the butt joint portion and the battery package box of engaging lug are connected, when applying the effort to the centre sill of external roof beam, the centre sill easily takes place deformation and fracture because of the joint strength is not enough with the junction of the portion of bending of engaging lug and the junction of the portion of bending and butt joint portion, consequently, takes place fracture department easily and adds a connecting piece for improve joint strength in order to guarantee the holistic intensity demand of hoist and mount roof beam.

The utility model also provides a battery package box, including foretell hoist and mount roof beam.

The utility model has the advantages that: the utility model discloses a battery package box, on the basis that has above-mentioned hoist and mount roof beam, the bulk rigidity of the battery package box of this application is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an exploded view of a hoisting beam provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a hoisting beam provided by an embodiment of the present invention;

fig. 3 is an exploded view of a connecting member of a hoisting beam provided by an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 according to specific situations by those skilled in the art.

Please refer to fig. 1 and 2, an embodiment of the present invention provides a hoisting beam 100 for being installed in an outer side of a battery pack case, including an external beam 10 for connecting the battery pack case and two connecting members 20 for improving an installation strength between the external beam 10 and the battery pack case, the external beam 10 includes a middle beam 11 and a connecting lug 12 formed by bending opposite ends of the middle beam 11 in the same direction, the connecting lug 12 includes a butt joint portion 121 for connecting the battery pack case and a bending portion 122 for connecting the middle beam 11 and the butt joint portion 121, each connecting member 20 is disposed at a joint of the corresponding middle beam 11 and the bending portion 122 and at a joint of the butt joint portion 121 and the bending portion 122.

The embodiment of the utility model provides a hoist and mount roof beam 100, the butt joint portion 121 and the battery package box of engaging lug 12 are connected, when applying the effort to the intermediate beam 11 of external girder 10, the junction of intermediate beam 11 and the portion of bending 122 of engaging lug 12 and the junction of the portion of bending 122 and butt joint portion 121 easily take place deformation and fracture because of joint strength is not enough, consequently, a connecting piece 20 is add in the easy department of breaking that takes place for improve joint strength in order to guarantee the holistic intensity demand of hoist and mount roof beam 100.

Referring to fig. 1 to 3, in one embodiment, the connecting member 20 includes a first connecting plate 21. The first connecting plate 21 includes a first horizontal plate 211 for connecting the middle beam 11, a second horizontal plate 212 for connecting the abutting portion 121, and a first inclined plate 213 for connecting the first horizontal plate 211 and the second horizontal plate 212, and reinforcing plates 214 for connecting the bent portions 122 are disposed on opposite sides of the first inclined plate 213. It is understood that the first horizontal plate 211, the reinforcing plate 214 and the second horizontal plate 212 are fixed to the intermediate beam 11, the bent portion 122 and the abutting portion 121 by welding. In this way, the first horizontal plate 211 and the reinforcing plate 214 increase the strength of connection between the intermediate beam 11 and the bent portion 122, and the reinforcing plate 214 and the second horizontal plate 212 increase the strength of connection between the bent portion and the abutting portion 121.

Referring to fig. 1 to 3, in one embodiment, the intermediate beam 11 includes ribs 111 arranged along the length direction of the intermediate beam 11 and ribs 112 protruding horizontally and outwardly from opposite ends of the ribs 111, wherein the cross section of the intermediate beam 11 along the width direction is "a few" shaped, and the bending strength of the intermediate beam 11 having the "a few" shaped cross section can be further improved. In order to adapt to the installation of the middle beam 11, the cross section of the first horizontal plate 211 along the width direction is also in a shape like a Chinese character ji, that is, the first horizontal plate 211 comprises a first plate body 21a and first baffle plates 21b formed by bending two opposite sides of the first plate body 21a in the same direction, the convex rib 111 is accommodated on the first plate body 21a, and the two flanges 112 are disposed on the corresponding first baffle plates 21 b.

Referring to fig. 1 to 3, in an embodiment, the second horizontal plate 212 includes a second plate body 21c and second blocking plates 21d formed by bending two opposite sides of the second plate body 21c in the same direction, and each second blocking plate 21d is connected to the abutting portion 121. Similarly, the cross section of the second horizontal plate 212, which is bent at both ends, in the width direction is also in a zigzag shape, and the bending strength of the second horizontal plate 212 as a whole is similarly improved.

Referring to fig. 1 and 2, in an embodiment, the second plate 21c has a first mounting hole 21e, and the abutting portion 121 has a second mounting hole 12a matching with the first mounting hole 21 e. As can be understood, the connection between the hoisting beam 100 and the battery pack case is realized by using screws to sequentially pass through the first mounting hole 21e and the second mounting hole 12 a.

Referring to fig. 1 to 3, in an embodiment, the connection member 20 further includes two second connection plates 22, and each of the second connection plates 22 includes a third horizontal plate 221 for connecting the corresponding first baffle 21b, a fourth horizontal plate 222 for connecting the corresponding second baffle 21d, and a second inclined plate 223 for connecting the third horizontal plate 221 and the fourth horizontal plate 222. Further, the third horizontal plate 221 and the fourth horizontal plate 222 may be fixed to the first baffle plate 21b and the second baffle plate 21d by welding. The purpose of adding the second connecting plate 22 is to improve the connection strength between the bent portion 122 and the intermediate beam 11 and between the bent portion 122 and the abutting portion 121.

Referring to fig. 1 and 3, in an embodiment, each of the reinforcing plates 214 includes a first sub-plate 21f vertically connected to the first inclined plate 213 and a second sub-plate 21g abutted to the bending portion 122, and one end of the second sub-plate 21g is connected to the first sub-plate 21 f. Here, the second sub-plate 21g may be connected to the bent portion 122 by welding to improve the connection strength between the first plate body 21a and the first inclined plate 213.

Referring to fig. 1 to 3, in one embodiment, the connection member 20 further includes two third connection plates 23, and each third connection plate 23 includes a first fixing plate 231 perpendicular to the first horizontal plate 211 and connected to the first sub-plate 21f and the second baffle plate 21d, respectively. It can be understood that the first fixing plate 231 of the third connecting plate 23 is vertically disposed and welded to the first sub-plate 21f and the second baffle plate 21d, so as to further improve the connection strength between the first inclined plate 213 and the second plate 21 c.

Referring to fig. 1 to 3, in an embodiment, one end of the first fixing plate 231 is laterally protruded outward and bent toward the first inclined plate 213 away from the bending portion 122 to form a second fixing plate 232 for connecting the first inclined plate 213. It can be understood that, in order to further improve the connection strength between the third connecting plate 23 and the first connecting plate 21, the second fixing plate 232 is added, and the second fixing plate 232 is welded and connected to the side of the first inclined plate 213 away from the bent portion 122.

Preferably, the second sub-plate 21g, the first baffle plate 21b and the second baffle plate 21d are in discontinuous connection, so that the second sub-plate can be fixedly connected with the external beam with a plurality of bends.

The utility model also provides a battery package box, including foretell hoist and mount roof beam 100.

On the basis of having above-mentioned hoist and mount roof beam 100, the battery package box of this application's whole rigidity is higher.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a hoist and mount roof beam for install in the outside of battery package box, its characterized in that: including being used for connecting the external roof beam of battery package box and being used for improving two connecting pieces of installation intensity between external roof beam and the battery package box, external roof beam include the centre sill and by the engaging lug that the relative both ends of centre sill were buckled towards the syntropy and are formed, the engaging lug is including being used for connecting the butt joint portion of battery package box and being used for connecting the centre sill with the portion of bending of butt joint portion, each the connecting piece is located and is corresponded the centre sill with the junction of the portion of bending and locating the butt joint portion with the junction of the portion of bending.

2. The hoisting beam of claim 1, wherein: the connecting piece includes first connecting plate, first connecting plate is including being used for connecting the first horizontal plate of intermediate beam, being used for connecting the second horizontal plate and the connection of butt joint portion first horizontal plate with the first hang plate of second horizontal plate, the relative both sides limit of first hang plate all is equipped with and is used for connecting the reinforcing plate of the portion of bending.

3. The hoisting beam of claim 2, wherein: the middle beam comprises convex ribs arranged along the length direction of the middle beam and flanges horizontally and outwards protruding from two opposite ends of the convex ribs, the first horizontal plate comprises a first plate body and first baffles formed by bending two opposite sides of the first plate body in the same direction, the convex ribs are contained on the first plate body, and the two flanges are arranged on the corresponding first baffles.

4. The hoisting beam of claim 3, wherein: the second horizontal plate comprises a second plate body and second baffles formed by bending two opposite sides of the second plate body in the same direction, and the second baffles are connected to the butt joint parts.

5. The hoisting beam of claim 4, wherein: the second plate body is provided with a first mounting hole, and the butt joint part is provided with a second mounting hole matched with the first mounting hole.

6. The hoisting beam of claim 4, wherein: the connecting piece still includes two second connecting plates, each the second connecting plate all includes be used for connecting the correspondence the third horizontal plate of first baffle, be used for connecting the correspondence the fourth horizontal plate of second baffle and be used for connecting the third horizontal plate with the second hang plate of fourth horizontal plate.

7. The hoisting beam of claim 4, wherein: each reinforcing plate comprises a first sub-plate vertically connected to the first inclined plate and a second sub-plate abutted to the bending part, and one end of the second sub-plate is connected to the first sub-plate.

8. The hoisting beam of claim 7, wherein: the connecting piece further comprises two third connecting plates, and each third connecting plate comprises a first fixing plate which is perpendicular to the first horizontal plate and is respectively connected to the first sub-plate and the second baffle plate.

9. The hoisting beam of claim 8, wherein: one end of the first fixing plate extends outwards in a lateral direction and faces the first inclined plate, and the first inclined plate deviates from the second fixing plate which is formed by bending one side of the bending part and is used for connecting the first inclined plate.

10. The utility model provides a battery package box which characterized in that: comprising a lifting beam according to any one of claims 1 to 9.