CN221100021U - Battery package vibration frock structure - Google Patents

Abstract

The application relates to a battery pack vibration tool structure which comprises two support bases and at least one cross beam, wherein the two support bases are arranged above a vibration table along a third direction and fixedly connected with the vibration table. The crossbeam is located the top of supporting the base along the third direction, and crossbeam and two supporting base form accommodation space to hold the battery package, the both ends of crossbeam are connected with two supporting base respectively. The middle section of the cross beam and one side of the two support bases, which are close to each other, are provided with fixing holes for fixedly connecting with the battery pack. The battery pack vibration tool structure provided by the application belongs to an integrated structure, synchronously vibrates in the vibration process, reduces the interference of force to the force in the transmission process from the vibration table to the battery pack to the minimum extent, and the support base can fix both sides of the battery pack and also can fix the middle area of the battery pack by utilizing the cross beam, so that the stress of the battery pack is more stable, and the data accuracy of final test is higher.

Description

Battery package vibration frock structure

Technical Field

The application relates to the technical field of new energy automobiles, in particular to a battery pack vibration tool structure.

Background

With the rapid development of new energy automobile industry, new energy electric automobile market shows a trend of year-by-year growth, a battery pack is used as an energy storage unit of the new energy electric automobile, safety test verification is needed to be carried out to reach a qualification standard, vibration test is to simulate vibration excitation and impact generated by mounting the battery pack on an automobile body in the driving process, and the vibration test is a mandatory detection project required by national standards and is also a basic requirement for guaranteeing the mechanical safety of the battery pack.

Before the battery pack is arranged on the vibration equipment, the battery pack needs to be fixed on the vibration platform through the vibration tool structure, the current vibration tool structure (for example CNCN 211291924U) is usually provided with only two clamping plates to fix the two sides of the battery pack, then the battery pack is placed on the vibration platform in a lifting mode and the like, and then the two clamping plates are fixed with the vibration platform, so that the battery pack and the vibration platform are indirectly fixed. However, since the two clamping plates are respectively arranged at two sides of the battery pack, the two clamping plates vibrate respectively in a vibration test, so that the stability is poor, the force generated by the vibration table is changed to a certain extent when the force is transmitted to the battery pack through the vibration tool structure, the battery pack is unstable in stress and easy to damage, and the final detection data is distorted.

Disclosure of utility model

Based on this, it is necessary to provide a vibration tooling structure of a battery pack, which aims at the problem that the current vibration tooling structure cannot simulate the stress condition of the battery pack. For fixing a battery pack on a vibrating table, comprising:

the two support bases are arranged at intervals along the first direction, extend along the second direction, are arranged above the vibrating table along the third direction and are fixedly connected with the vibrating table;

The extending direction of the cross beam is along the first direction, the cross beam is positioned above the supporting base along the third direction, two ends of the cross beam are respectively connected with the two supporting bases, and the cross beam and the two supporting bases enclose an accommodating space to accommodate the battery pack;

the middle section of the cross beam and one side of the two support bases, which are close to each other, are provided with fixing holes for fixedly connecting with the battery pack.

In one embodiment, the cross beams are at least three, and the plurality of cross beams are arranged at intervals along the second direction.

In one embodiment, a longitudinal beam is arranged between two adjacent cross beams, the length of the longitudinal beam extends towards the second direction, and two ends of the longitudinal beam are fixedly connected with the two adjacent cross beams respectively.

In one embodiment, the two ends of the longitudinal beam are provided with connecting transverse plates, and the connecting transverse plates are attached to the transverse beam and fixedly connected with the transverse beam.

In one embodiment, a plurality of stringers are arranged between two adjacent crossbeams along the second direction.

In one embodiment, the two support bases are symmetrically arranged, the support bases comprise a connecting part and a fixing part, the connecting part is fixedly connected with the fixing part, and the cross beam is fixedly connected with the connecting part and the fixing part;

along the first direction, the fixing part is positioned at one side of the connecting part, which is close to the inside of the accommodating space, and the fixing part is provided with a fixing hole along the third direction so as to be fixedly connected with the battery pack; the connecting portion is provided with a connecting hole along a third direction so as to be fixedly connected with the vibrating table.

In one embodiment, the connecting holes on the connecting portion have two rows, the two rows of connecting holes are arranged at intervals along the first direction, and the plurality of connecting holes of each row are arranged at intervals along the second direction.

In one embodiment, an L-shaped weight-reducing groove is provided on a side of the connecting portion facing away from the connecting portion.

In one embodiment, a plurality of rib plates are arranged in the weight-reducing groove at intervals along the first direction.

In one embodiment, one of the two rows of connecting holes is arranged at the bottom of the weight-reducing groove, and the upper end face of the other row of connecting holes close to the accommodating space is flush with the upper end face of the fixing part.

The battery pack vibration tool structure comprises two support bases and at least one cross beam, wherein the two support bases are distributed at intervals along the first direction, the two support bases extend along the second direction, and the two support bases are mounted above the vibration table along the third direction and fixedly connected with the vibration table. The extending direction of crossbeam all follows the first direction, and the crossbeam is located the top that supports the base along the third direction, and crossbeam and two support base formation accommodation space to hold the battery package, the both ends of crossbeam are connected with two support base respectively. The middle section of the cross beam and one side of the two support bases, which are close to each other, are provided with fixing holes for fixedly connecting with the battery pack. The battery pack vibration tool structure provided by the application belongs to an integrated structure, synchronously vibrates in the vibration process, reduces the interference of force to the force in the transmission process from the vibration table to the battery pack to the minimum extent, and the support base in the structure not only can fix the two sides of the battery pack, but also can fix the middle area of the battery pack by utilizing the cross beam, so that the stress of the battery pack is more stable, and finally the data accuracy of the test is higher.

Drawings

Fig. 1 is a schematic structural diagram of a vibration tool structure of a battery pack in one embodiment.

Fig. 2 is a side view of the tooling structure of fig. 1 from the view in direction a.

Fig. 3 is a bottom view of the tooling structure of fig. 1.

Fig. 4 is a cross-sectional view of one end of the support base.

Reference numerals: a support base 110; a fixing portion 111; a connection portion 112; a connection hole 113; a weight reduction groove 114; rib 115; a cross beam 120; a fixing hole 130; a stringer 140; the cross plate 141 is connected.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1 and 2, the present application provides a vibration tooling structure (hereinafter referred to as tooling structure) of a battery pack, which includes two support bases 110 and at least one beam 116, wherein the two support bases 110 are arranged at intervals along a first direction, the two support bases 110 extend along a second direction, and the two support bases 110 are mounted above a vibration table along a third direction and fixedly connected with the vibration table; the extending direction of the cross beam 116 is along the first direction, the cross beam 116 is positioned above the support base 110 along the third direction, two ends of the cross beam 116 are respectively connected with the two support bases 110, and the cross beam 116 and the two support bases 110 enclose an accommodating space for accommodating a battery pack; the middle section of the beam 116 and one side of the two support bases 110 close to each other are provided with fixing holes 130 for fixedly connecting with the battery pack.

Specifically, the first direction corresponds to the X direction in the drawing, fig. 2 corresponds to the Y direction in the drawing, and fig. 3 corresponds to the Z direction in the drawing, preferably, the cross beam 120 and the support base 110 are vertically connected, and the three directions are mutually perpendicular, and the third direction, i.e., the Z direction, is a vertical direction when placed on the vibration table.

The working structure in fig. 1 is a top view, referring to fig. 2, fig. 2 is a side view from the direction a in fig. 1, a battery pack is mounted in a receiving space under a beam 116, both sides and the middle of the battery pack are first fixed on a support base 110 and the beam 116, then the working structure is placed on a vibration table, and the support base 110 and the vibration table are fixedly connected to complete the early work of the vibration test of the battery pack.

Specifically, the connection mode of each part between the tool structures and the fixed connection mode of each part with the vibrating table and the battery pack are all in bolted connection, and the bolt holes formed by the cross beam 120 and the support base 110 are counter bores, so that the heads of the bolts are not exposed.

The battery pack vibration tool structure provided by the application belongs to an integrated fixing structure, and is synchronous to the vibration table in the vibration process, so that the interference of force to the force in the transmission process from the vibration table to the battery pack is reduced to the minimum extent, in the structure, the support base 110 not only can fix two sides of the battery pack, but also can fix the middle area of the battery pack by utilizing the cross beam 116, so that the stress of the battery pack is more stable, and the data accuracy of final test is higher.

Preferably, in one embodiment, the cross beams 116 are at least three, and the plurality of cross beams 116 are spaced apart along the second direction.

The three cross beams 116 can fix the battery pack with larger size, the battery pack in the B+ grade new energy vehicle is usually larger, the mounting points are also arranged in the middle area of the battery pack, and the three cross beams 116 can be used for fixing the mounting points at two sides of the middle area of the large battery pack and the mounting points in the middle area, so that the fixing is more stable.

Referring to fig. 3, in one embodiment, a longitudinal beam 140 is disposed between two adjacent cross beams 116, the longitudinal beam 140 extends in the second direction, and two ends of the longitudinal beam 140 are fixedly connected to the two adjacent cross beams 116, respectively. Stringers 140 may provide greater strength to the working structure and may support vibrations at greater frequencies and amplitudes of the vibrating table.

Preferably, in one embodiment, the longitudinal beams 140 are provided with connecting cross plates 141 at both ends, and the connecting cross plates 141 are attached to the cross beam 116 and fixedly connected to the cross beam 116. The longitudinal beam 140 and the cross beam 116 can be connected through bolts by arranging the connecting transverse plate 141, so that the detachable technical effect is realized, and the distance between the cross beams 116 can be conveniently changed when the battery packs with different sizes are encountered.

In other embodiments, the stringers 140 and cross members 116 may also be fixedly attached by welding or the like, as is the case with a fixed type of battery pack only.

Referring to fig. 1, in one embodiment, a plurality of stringers 140 are disposed between two adjacent stringers 116 and aligned in the second direction. Also, the plurality of stringers 140 may strengthen the tooling structure.

Referring to fig. 3 and 4, fig. 3 shows the tooling structure from a bottom view, and fig. 4 shows a perspective view of the support base 110 at the end.

In one embodiment, the two support bases 110 are symmetrically arranged, the support bases 110 comprise a connecting part 112 and a fixing part 111, the connecting part 112 is fixedly connected with the fixing part 111, and the beam 116 is fixedly connected with the connecting part 112 and the fixing part 111; along the first direction, the fixing part 111 is positioned at one side of the connecting part 112 near the inside of the accommodating space, and the fixing part 111 is provided with a fixing hole 130 along the third direction so as to be fixedly connected with the battery pack; the connection portion 112 is provided with a connection hole 113 along a third direction to be fixedly connected with the vibration table.

In the present application, the shape and structure of the support base 110 conform to the shape of the battery pack, and referring to fig. 2, it can be seen from fig. 2 that the battery pack almost conforms to the inner wall of the receiving space, such as the connection part 112 and the fixing part 111, in the receiving space. Therefore, the tooling structure provided by the application has fewer consumable materials and smaller volume, reduces the economic cost, and furthest reduces the influence of the tooling structure on the battery pack in the vibration process.

The support base 110 provided by the application is of an integrated structure, and as can be seen from fig. 4, the fixing hole 130 is located on the fixing portion 111, the battery pack is supported on the lower side of the fixing portion 111, and then the fixing connection of the battery pack and the fixing portion is realized by installing bolts from bottom to top.

In other embodiments, the connecting portion 112 and the fixing portion 111 may be spliced for the sake of convenience in processing.

In one embodiment, the connecting holes 113 on the connecting portion 112 have two rows, the two rows of connecting holes 113 are spaced apart along the first direction, and the plurality of connecting holes 113 in each row are spaced apart along the second direction. The two rows of connecting holes 113 can make the direct connection between the support base 110 and the fixing base more stable. Meanwhile, the weight of the supporting base 110 can be reduced, stress concentration of the supporting base 110 in the manufacturing process is dispersed, and the structural strength is increased.

Preferably, in one embodiment, an L-shaped weight-reducing groove 114 is formed on a side of the connecting portion 112 facing away from the connecting portion 112. Referring to fig. 1 and 4, the weight-reducing channel 114, as the name suggests, may reduce the weight of the support base 110 and facilitate movement thereof by a worker.

Referring to fig. 1, in one embodiment, a plurality of ribs 115 are disposed in the weight-reducing channel 114, the plurality of ribs 115 being spaced apart along the first direction. The rib 115 may enhance the structural strength of the support base 110.

In one embodiment, one of the two rows of connecting holes 113 is disposed at the bottom of the weight-reducing groove 114, and the upper end surface of the other row of connecting holes 113 near the accommodating space is flush with the upper end surface of the fixing portion 111.

Due to the existence of the weight-reducing groove 114, one of the two rows of connecting holes 113 becomes a short connecting hole 113, which is located at the bottom of the weight-reducing groove 114, and the other row of connecting holes 113 close to the receiving space is still consistent in thickness in the first direction of the connecting portion 112, i.e., longer in length than the short connecting hole 113, because a certain connecting strength between the connecting portion 112 and the fixing portion 111 is required.

Preferably, in order not to affect the installation of the battery pack on the tooling structure, and also to maintain better aesthetic quality, the service life is prolonged, and the connecting hole 113 with a longer length is of a counter bore structure, so that the whole bolt is positioned in the hole.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. The utility model provides a battery package vibration frock structure for fix the battery package on the shaking table, its characterized in that includes:

The two support bases (110) are arranged at intervals along the first direction, the two support bases (110) extend along the second direction, and the two support bases (110) are arranged above the vibrating table along the third direction and fixedly connected with the vibrating table;

The extending directions of the cross beams (120) are all along the first direction, the cross beams (120) are positioned above the supporting bases (110) along the third direction, two ends of the cross beams (120) are respectively connected with the two supporting bases (110), and the cross beams (120) and the two supporting bases (110) enclose an accommodating space to accommodate the battery pack;

the middle section of the cross beam (120) and one side of the two supporting bases (110) close to each other are provided with fixing holes (130) for fixedly connecting with the battery pack.

2. The battery pack vibration tool structure according to claim 1, wherein at least three cross beams (120) are provided, and a plurality of the cross beams (120) are arranged at intervals along the second direction.

3. The battery pack vibration tool structure according to claim 2, wherein a longitudinal beam (140) is arranged between two adjacent cross beams (120), the length of the longitudinal beam (140) extends towards the second direction, and two ends of the longitudinal beam (140) are fixedly connected with the two adjacent cross beams (120) respectively.

4. A battery pack vibration tool structure according to claim 3, wherein connecting cross plates (141) are arranged at two ends of the longitudinal beam (140), and the connecting cross plates (141) are attached to the cross beam (120) and fixedly connected with the cross beam (120).

5. The battery pack vibration tooling structure according to claim 4, wherein a plurality of stringers (140) arranged along the second direction are provided between two adjacent crossbeams (120).

6. The battery pack vibration tool structure according to claim 4, wherein two support bases (110) are symmetrically arranged, the support bases (110) comprise a connecting portion (112) and a fixing portion (111), the connecting portion (112) and the fixing portion (111) are fixedly connected, and the cross beam (120) is fixedly connected with the connecting portion (112) and the fixing portion (111);

The fixing part (111) is positioned on one side, close to the inside of the accommodating space, of the connecting part (112) along the first direction, and the fixing hole (130) is formed in the fixing part (111) along the third direction so as to be fixedly connected with the battery pack; the connecting part (112) is provided with a connecting hole (113) along the third direction so as to be fixedly connected with the vibrating table.

7. The battery pack vibration tooling structure according to claim 6, wherein the connecting holes (113) on the connecting portion (112) are arranged in two rows, the connecting holes (113) in two rows are arranged at intervals along the first direction, and the plurality of connecting holes (113) in each row are arranged at intervals along the second direction.

8. The battery pack vibration tool structure according to claim 7, wherein an L-shaped weight-reducing groove (114) is formed in one side of the connecting portion (112) away from the connecting portion (112).

9. The battery pack vibration tooling structure according to claim 8, wherein a plurality of rib plates (115) are arranged in the weight-reducing groove (114), and the plurality of rib plates (115) are arranged at intervals along the first direction.

10. The battery pack vibration tool structure according to claim 8, wherein one of the two rows of connection holes (113) is arranged at the bottom of the weight-reducing groove (114), and the upper end surface of the other row of connection holes (113) close to the accommodating space is flush with the upper end surface of the fixing portion (111).