Lifting lug assembly, tray, battery pack and electric equipment

Abstract

The utility model discloses a lifting lug assembly, a tray, a battery pack and electric equipment. The lifting lug assembly comprises a first connecting plate and a second connecting plate, wherein the first connecting plate comprises a first connecting part; the second connecting plate comprises a second connecting part; the mounting part is used for being connected with the outside, the mounting part is connected with the first connecting part and the second connecting part at preset included angles, and a spacing cavity is formed between the first connecting part and the second connecting part; the mounting part is used for being connected with the outside; the device further comprises a connecting sleeve, the connecting sleeve is arranged in the spacing cavity, and the first connecting part and the second connecting part are both connected with the connecting sleeve. And the connecting sleeve is configured to hoist equipment applied by the lifting lug assembly.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle components, and more specifically, to a lifting eye assembly, a tray, a battery pack and an electrical device. Background Art

[0002] With the development of science and technology and the improvement of people's living standards, cars have gradually entered thousands of households and become a necessity of people's lives. Especially in recent years, new energy electric vehicles with energy-saving and environmentally friendly characteristics have become more and more popular among consumers.

[0003] The power source of electric vehicles is the lithium battery pack. As an important component of electric vehicles, the improvement of various performances of lithium battery packs has always been the focus of the industry. Since the lithium battery pack needs to be in working condition with the electric vehicle for a long time, and there will be certain vibrations, collisions, extrusions, etc. during the driving of the vehicle, the lithium battery pack will inevitably encounter bumps, collisions, and extrusions during operation; this requires the battery pack tray to have a good ability to resist external force deformation. However, in the current lithium battery pack tray structure, the tray ears have the problem of insufficient rigidity and easy deformation.

[0004] In view of this, it is necessary to propose a new technical solution to solve the above technical problems. Utility Model Content

[0005] One purpose of the present application is to provide a new technical solution for a lifting lug assembly, a tray, a battery pack and an electrical device.

[0006] According to a first aspect of the present application, there is provided a lifting ear assembly, the lifting ear assembly comprising:

[0007] A first connecting plate, the first connecting plate comprising a first connecting portion;

[0008] a second connecting plate, the second connecting plate comprising a second connecting portion;

[0009] A mounting portion, used for connecting with the outside, the mounting portion is connected with the first connecting portion and the second connecting portion at a preset angle, and a partition cavity is formed between the first connecting portion and the second connecting portion; the mounting portion is used for connecting with the outside;

[0010] A connecting sleeve, wherein the connecting sleeve is arranged in the partition cavity, and the first connecting part and the second connecting part are both connected to the connecting sleeve; the connecting sleeve is configured to lift the equipment applied by the lifting ear assembly.

[0011] Optionally, the mounting portion includes a third connecting portion and a fourth connecting portion that are fitted and connected.

[0012] The third connection portion is connected to one end of the first connection portion at a preset angle;

[0013] The fourth connection portion is connected to one end of the second connection portion at a preset angle.

[0014] Optionally, the first connecting plate also includes a fifth connecting portion, which is located at an end of the first connecting portion away from the mounting portion, one end of the fifth connecting portion is connected to the first connecting plate at a preset angle, and the other end of the fifth connecting portion is connected to the second connecting portion at a preset angle.

[0015] Optionally, the lifting ear assembly further includes a third connecting plate, wherein the third connecting plate is connected to the second connecting plate, and the third connecting plate is arranged on a surface of the second connecting plate facing away from the first connecting plate.

[0016] Optionally, the third connecting plate is in the shape of a right triangle; one right-angled side of the third connecting plate is connected to a surface of the second connecting portion facing away from the first connecting plate, and the other right-angled side of the third connecting plate is connected to a surface of the mounting portion.

[0017] Optionally, the mounting portion includes a third connection portion and a fourth connection portion that are fittedly connected, and the ear assembly is provided with a first pleated portion, which is distributed over the first connection portion, the third connection portion and the fifth connection portion; and / or, the ear assembly is provided with a second pleated portion, which is distributed over the second connection portion and the fourth connection portion.

[0018] Optionally, the first connecting portion is provided with a first through hole, the second connecting portion is provided with a second through hole, the connecting sleeve is arranged in the spacer cavity and penetrates the first through hole and the second through hole, and is used to penetrate fasteners to lift equipment used for the lifting ear assembly.

[0019] According to a second aspect of the present application, a pallet is provided, the pallet comprising the lifting ear assembly as described in the first aspect; and further comprising a mounting beam, the mounting beam comprising a beam body, the lifting ear assembly being connected to the beam body.

[0020] Optionally, along the length direction of the beam body, the beam body is provided with a plurality of evenly distributed installation positions, and the installation portion is selectively installed at any of the installation positions and is detachably connected to the beam body.

[0021] Optionally, at any of the installation positions, the beam body is provided with at least one second connecting member, and the ear assembly is provided with a first connecting member matching the second connecting member at its installation portion, and the first connecting member is cooperatively connected with any of the second connecting members.

[0022] Optionally, at any of the installation positions, the beam body is provided with at least one second connection hole, and the second connection hole constitutes the second connection member;

[0023] The ear assembly is provided with a first connection hole penetrating the mounting portion, and the first connection hole constitutes the first connection member;

[0024] The first connection hole and the second connection hole have the same pore size and pore spacing;

[0025] When the lifting ear assembly is connected to the beam body, the first connection hole and the second connection hole are correspondingly arranged; the lifting ear assembly and the beam body are detachably connected via fasteners penetrating the first connection hole and the second connection hole.

[0026] Optionally, the pallet further comprises a pallet side beam, the pallet side beam is connected to the mounting beam, and the pallet side beam is arranged on a side of the mounting beam away from the lifting ear assembly; the cross-section of the pallet side beam is in a Japanese shape.

[0027] Optionally, the beam body includes a connecting beam, a first flange portion and a second flange portion, wherein the first flange portion is vertically connected to one end of the connecting beam, and the second flange portion is connected to the other end of the connecting beam; and the first flange portion and the second flange portion are arranged opposite to each other;

[0028] A plurality of the mounting positions are arranged on the connecting beam, the connecting beam is detachably connected to the lifting ear assembly, and the pallet side beam is connected to the surface of the first flange portion facing the second flange portion.

[0029] Optionally, the mounting beam also includes a reinforcing plate, which is fixedly connected to the beam body; the cross-section of the reinforcing plate is polygonal, one side of the reinforcing plate is connected to the connecting beam, and the other side of the reinforcing plate is connected to the surface of the first flange portion facing the second flange portion.

[0030] According to a third aspect of the present application, a battery pack is provided, comprising the tray as described in the second aspect.

[0031] According to a fourth aspect of the present application, an electrical device is provided, wherein the electrical device comprises the battery pack as described in the third aspect.

[0032] The technical solution adopted in this application can achieve the following beneficial effects:

[0033] In the lifting ear assembly provided in the embodiment of the present application, the first connecting portion of the first connecting plate and the fourth connecting portion of the second connecting plate are arranged in parallel and at intervals, and a spacing cavity is formed therebetween; by arranging the connecting sleeve in the spacing cavity and supporting the connecting sleeve between the first connecting portion and the second connecting portion, the overall stiffness of the lifting ear assembly can be improved; when the lifting ear assembly is subjected to external collision force or external extrusion force, the spacing cavity and the connecting sleeve can absorb the external force, thereby improving the ability of the lifting ear assembly to resist external force impact, making the lifting ear assembly less likely to be deformed under the action of external force.

[0034] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0036] Figure 1 This is a schematic diagram of the structure of the ear assembly according to an embodiment of the present application. Figure 1 ;

[0037] Figure 2 This is a schematic diagram of the structure of the ear assembly according to an embodiment of the present application. Figure 2 ;

[0038] Figure 3 This is a schematic diagram of the structure of a tray according to an embodiment of the present application. Figure 1 ;

[0039] Figure 4 This is a schematic diagram of the structure of a tray according to an embodiment of the present application. Figure 2 ;

[0040] Figure 5 This is a schematic diagram of the structure of a tray according to an embodiment of the present application. Figure 3 ;

[0041] Figure 6 It is a schematic diagram of the structure of the installation beam in the pallet according to an embodiment of the present application.

[0042] Description of reference numerals:

[0043] 1. Lifting ear assembly; 11. First connecting plate; 100. Spacer cavity; 101. First connecting hole; 110. First pleated portion; 111. First connecting portion; 112. Fifth connecting portion; 113. Third connecting portion; 12. Second connecting plate; 120. Second pleated portion; 121. Second connecting portion; 122. Fourth connecting portion; 13. Third connecting plate; 14. Connecting sleeve;

[0044] 2. Mounting beam; 21. Beam body; 210. Second connecting hole; 211. Connecting beam; 212. First flange portion; 213. Second flange portion; 22. Reinforcing plate; 23. Nut; 200. Third pleated portion; 3. Pallet side beam; 4. Bolt. DETAILED DESCRIPTION

[0045] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application.

[0046] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present application, its application, or uses.

[0047] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0048] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0049] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0050] Reference Figure 1-Figure 2 As shown, according to an embodiment of the present application, a lifting ear assembly 1 is provided. The lifting ear assembly 1 includes a first connecting plate 11 and a second connecting plate 12, wherein the first connecting plate 11 includes a first connecting portion 111; the second connecting plate 12 includes a second connecting portion 121; and further includes a mounting portion for connecting to the outside, wherein the mounting portion is connected to the first connecting portion 111 and the second connecting portion 121 at a preset angle, and a partition cavity 100 is formed between the first connecting portion 111 and the second connecting portion 121; the mounting portion is used to connect to the outside;

[0051] It also includes a connecting sleeve 14, which is disposed in the partition cavity 100, and the first connecting portion 111 and the second connecting portion 121 are both connected to the connecting sleeve 14; the connecting sleeve 14 is configured to hoist the equipment used by the lifting ear assembly.

[0052] In the lifting ear assembly 1 provided in the embodiment of the present application, the first connection portion 111 of the first connection plate 11 and the second connection portion 121 of the second connection plate 12 are arranged in parallel and spaced apart, and a spacer cavity 100 is formed therebetween. By arranging the connecting sleeve 14 in the spacer cavity 100, the connecting sleeve 14 is supported between the first connection portion 111 and the second connection portion 121, so that the overall rigidity of the lifting ear assembly 1 can be improved. When the lifting ear assembly 1 is subjected to a collision force or an extrusion force, the spacer cavity 100 and the connecting sleeve 14 can absorb the effect of the external force, thereby improving the ability of the lifting ear assembly 1 to resist the impact of external force, so that the lifting ear assembly 1 is not easily deformed under the action of external force. In addition, the lifting ear assembly 1 can be connected to other components through the mounting portion. Optionally, a mounting structure can be provided at the mounting portion, and the mounting structure is configured to be connected to components other than the lifting ear assembly.

[0053] Reference Figure 1-Figure 2 As shown, in one embodiment, the mounting portion includes a third connecting portion 113 and a fourth connecting portion 122 that are fitted together, the third connecting portion 113 is connected to one end of the first connecting portion 111 at a preset angle; the fourth connecting portion 122 is connected to one end of the second connecting portion 121 at a preset angle.

[0054] In this specific example, the connection between the first connecting plate 11 and the second connecting plate 12 is more stable and reliable by fitting the third connecting portion 113 of the first connecting plate 11 and the fourth connecting portion 122 of the second connecting plate 12; and the third connecting portion 113 and the fourth connecting portion 122 are fit-connected to form a mounting portion, the strength of the mounting portion is relatively high, and the reliability of the connection between the ear assembly 1 and other components through the mounting portion is higher.

[0055] In other embodiments, the mounting portion may be composed only of the third connecting portion 113 of the first connecting plate 11, or the mounting portion may be composed only of the fourth connecting portion 122 of the second connecting plate 12; or the mounting portion may be other structures independent of the first connecting plate 11 and the second connecting plate 12.

[0056] Optionally, the third connection portion 113 is vertically connected to one end of the first connection portion 111 and is provided with a rounded corner; the fourth connection portion 122 is vertically connected to one end of the second connection portion 121 and is provided with a rounded corner.

[0057] Reference Figure 1-Figure 2 As shown, in one embodiment, the first connecting plate 11 also includes a fifth connecting portion 112, and the fifth connecting portion 112 is located at an end of the first connecting portion 111 away from the third connecting portion 113, one end of the fifth connecting portion 112 is connected to the first connecting portion 111 at a preset angle, and the other end of the fifth connecting portion 112 is connected to the second connecting portion 121 at a preset angle.

[0058] In this specific example, by providing the fifth connecting portion 112 , the first connecting plate 11 and the second connecting plate 12 can form a tighter and more reliable connection, thereby further improving the ability of the lifting eye assembly 1 to resist external force impact.

[0059] Optionally, one end of the fifth connection portion 112 is vertically connected to the first connection portion 111 and is provided with a rounded corner; the other end of the fifth connection portion 112 is vertically connected to the second connection portion 121 and is provided with a rounded corner.

[0060] Reference Figure 1-Figure 2 As shown, in one embodiment, the lifting ear assembly further includes a third connecting plate 13 , the third connecting plate 13 is connected to the second connecting plate 12 , and the third connecting plate 13 is disposed on a surface of the second connecting plate 12 facing away from the first connecting plate 11 .

[0061] In this specific example, the third connecting plate 13 can support the second connecting plate 12 on the surface of the second connecting plate 12 facing away from the first connecting plate 11 , thereby further improving the overall rigidity of the lifting eye assembly 1 .

[0062] In addition, in the prior art, the battery pack tray lugs are mostly made of aluminum alloy, which has a low yield strength. The lug assembly 1 provided in the embodiment of the present application is made of steel, which has a low cost and high rigidity.

[0063] Reference Figure 1-Figure 2 As shown, in one embodiment, the third connecting plate 13 is a right-angled triangle; one right-angled side of the third connecting plate 13 is connected to the surface of the second connecting portion 121 facing away from the first connecting plate 11, and the other right-angled side of the third connecting plate 13 is connected to the surface of the fourth connecting portion 122 facing away from the first connecting plate 11.

[0064] In this specific example, the third connecting plate 13 in the shape of a right triangle can not only form a good connection with the second connecting portion 121 and the fourth connecting portion 122 respectively, but also provide a very reliable and stable support for the second connecting plate 12. Optionally, in other embodiments, the shape of the third connecting plate 13 can also be a trapezoid, a rectangle, etc.

[0065] Reference Figure 1-Figure 2As shown, in one embodiment, the mounting portion includes a third connection portion 113 and a fourth connection portion 122 that are fitted together, and the ear assembly is provided with a first pleated portion 110, which is distributed in the first connection portion 111, the third connection portion 113 and the fifth connection portion 112; and / or, the ear assembly is provided with a second pleated portion 120, which is distributed in the second connection portion 121 and the fourth connection portion 122.

[0066] In this specific example, the first pleated portion 110 is formed by pressing at the edge of the first connecting plate 11 and the mounting portion, and the first pleated portion 110 can further improve the overall rigidity of the hanging ear assembly 1. In addition, the first pleated portion 110 is extended along the connection direction of the first connecting portion 111, the fifth connecting portion 112, and the third connecting portion 113.

[0067] The second pleated portion 120 is formed by pressing at the edge of the second connecting plate 12 and the mounting portion, and the second pleated portion 120 can further improve the overall rigidity of the ear assembly 1. In addition, the second pleated portion 120 is extended along the connection direction between the second connecting portion 121 and the fourth connecting portion 122.

[0068] According to actual needs, only the first crimping portion 110 may be provided; or only the second crimping portion 120 may be provided; in order to better improve the overall rigidity of the hanging ear assembly 1, both the first crimping portion 110 and the second crimping portion 120 may be provided.

[0069] Reference Figure 1-Figure 2 As shown, in one embodiment, the first connecting portion 111 is provided with a first through hole, the second connecting portion 121 is provided with a second through hole, and the connecting sleeve 14 is arranged in the spacer cavity 100 and penetrates the first through hole and the second through hole, so as to penetrate fasteners to lift the equipment applied to the lifting ear assembly.

[0070] Optionally, the fastener may be, for example, a bolt or a screw.

[0071] In a specific example, first, the first connecting plate 11 and the second connecting plate 12 are both made by bending; that is, the first connecting plate 11 is formed by bending to form the first connecting part 111, the fifth connecting part 112 and the third connecting part 113 of an integrated structure; the second connecting plate 12 is formed by bending to form the second connecting part 121 and the fourth connecting part 122 of an integrated structure.

[0072] The first connection portion 111 and the second connection portion 121 are arranged in parallel and spaced apart, and a spacer cavity 100 is formed therebetween; a connection sleeve 14 is arranged corresponding to the spacer cavity 100. Specifically, the first connection portion 111 of the first connection plate 11 is firstly connected to the connection sleeve 14 at the first through hole by arc welding, and then the second connection plate 12 is installed; the second connection portion 121 of the second connection plate 12 is welded to the connection sleeve 14 at the second through hole, and then the second connection portion 121 and the fifth connection portion 112, and the fourth connection portion 122 and the third connection portion 113 are welded respectively.

[0073] Reference Figure 3-Figure 6 As shown, according to another embodiment of the present application, a pallet is provided, the pallet includes the lifting ear assembly 1 as described above; and also includes a mounting beam 2, the mounting beam 2 includes a beam body 21, and the lifting ear assembly 1 is connected to the beam body 21.

[0074] Since the pallet provided in the embodiment of the present application includes the above-mentioned ear assembly 1, it has high rigidity and has a good ability to resist deformation due to external forces.

[0075] In one embodiment, along the length direction of the beam body 21 , the beam body 21 is provided with a plurality of evenly distributed installation positions, and the installation portion is selectively installed at any of the installation positions and is detachably connected to the beam body 21 .

[0076] In this specific example, since a plurality of installation positions are provided in the length direction of the beam body 21, when installing the lifting lug assembly 1 and the mounting beam 2, the lifting lug assembly 1 can be moved along the length direction of the beam body 21 according to actual needs; that is, the installation position of the lifting lug assembly 1 can be adjusted in the length direction of the beam body 21, so that the pallet can be applied to a variety of vehicle models, realizing the universal design of the lifting lug assembly 1, and reducing the development cycle and cost. In addition, a plurality of installation positions are evenly distributed on the beam body 21, so that the adjustment accuracy of the lifting lug assembly 1 on the beam body 21 is higher. Moreover, a plurality of lifting lug assemblies 1 can be provided simultaneously on the mounting beam 2 according to actual use needs.

[0077] In one embodiment, at any of the installation positions, the beam body 21 is provided with at least one second connecting member, and the ear assembly 1 is provided with a first connecting member matching the second connecting member at its installation portion, and the first connecting member is cooperatively connected with any of the second connecting members.

[0078] Reference Figure 1 , Figure 4As shown, further, at any of the installation positions, the beam body 21 is provided with at least one second connection hole 210, and the second connection hole 210 constitutes the second connection member; the ear assembly 1 is provided with a first connection hole 101 that passes through the installation portion, and the first connection hole 101 constitutes the first connection member; the first connection hole 101 and the second connection hole 210 have the same aperture and hole spacing;

[0079] When the lifting ear assembly 1 is connected to the beam body 21 , the first connection hole 101 and the second connection hole 210 are correspondingly arranged; the lifting ear assembly 1 and the beam body 21 are detachably connected via fasteners penetrating the first connection hole 101 and the second connection hole 210 .

[0080] In this specific example, the ear assembly 1 is detachably connected to the beam body 21 by fasteners passing through the first connection hole 101 and the second connection hole 210, so that the ear assembly 1 has a higher accuracy in position adjustment on the beam body 21; and no additional clamping parts are required, so the structure is more stable. In addition, in other embodiments, a groove may be provided on the beam body 21, and a clamping part may be provided on the ear assembly 1, and the clamping part may be matched and clamped with the groove to realize the detachable connection between the ear assembly 1 and the beam body 21.

[0081] Optionally, a nut 23 is fixedly provided at the second connecting hole 210 of the beam body 21 by welding, and a bolt 4 matching the nut 23 is passed through the first connecting hole 101 and the second connecting hole 210 and tightened with the nut, thereby connecting the lifting ear assembly 1 and the mounting beam 2.

[0082] Reference Figure 6 As shown, in one embodiment, the mounting beam 2 also includes a reinforcing plate 22, and the reinforcing plate 22 is fixedly connected to the beam body 21; the cross-section of the reinforcing plate 22 is polygonal, one side of the reinforcing plate 22 is connected to the connecting beam 211, and the other side of the reinforcing plate 22 is connected to the surface of the first flange portion 212 facing the second flange portion 213.

[0083] In this specific example, the provision of the reinforcing plate 22 can improve the rigidity of the mounting beam 2, thereby further improving the ability of the tray to resist deformation due to external forces. A plurality of reinforcing plates 22 are provided, and the plurality of reinforcing plates 22 are evenly distributed on the beam body 21, and the reinforcing plates 22 are connected to the beam body 21 by arc welding. Optionally, the cross-sectional shape of the reinforcing plate 22 can be a triangle, a trapezoid, a rectangle, or the like.

[0084] Reference Figure 3-Figure 5As shown, in one embodiment, the tray further includes a tray side beam 3, the tray side beam 3 is connected to the mounting beam 2, and the tray side beam 3 is disposed on a side of the mounting beam 2 away from the lug assembly 1.

[0085] In this specific example, the tray side beam 3 is connected to the mounting beam 2 by arc welding; optionally, the tray side beam 3 is made by roll forming, and the cross-sectional shape of the tray side beam 3 is in the shape of a Chinese character 'Ri', which can improve the ability of the tray side beam 3 to resist external force impacts.

[0086] Referring to Figure 6 As shown, in one embodiment, the beam body 21 includes a connecting beam 211, a first flanging portion 212 and a second flanging portion 213. The first flanging portion 212 is vertically connected to one end of the connecting beam 211, and the second flanging portion 213 is connected to the other end of the connecting beam 211; and the first flanging portion 212 and the second flanging portion 213 are oppositely arranged;

[0087] A plurality of the mounting positions are arranged on the connecting beam 211. The connecting beam 211 is detachably connected to the lug assembly 1, and the tray side beam 3 is connected to a surface of the first flanging portion 212 facing the second flanging portion 213.

[0088] In this specific example, the beam body 21 is formed into an integral structure of the connecting beam 211, the first flanging portion 212 and the second flanging portion 213 by bending; and third corrugated portions 200 are respectively formed at both side edge positions of the beam body 21. The third corrugated portions 200 are distributed on the connecting beam 211, the first flanging portion 212 and the second flanging portion 213 to improve the stiffness of the beam body 21.

[0089] The following is a simulation verification of the lug assembly 1 provided by the embodiments of the present application:

[0090] Analyze the stiffness condition of the mounting points of the lug assembly 1 on the mounting beam 2. First, apply a 1000N concentrated force to the mounting points at the initial positions of the lug assembly 1 on the mounting beam 2; then, since the lug assembly 1 can move the mounting position on the mounting beam 2 to adapt to the mounting requirements of different vehicle models; therefore, move the mounting points of the lug assembly 1 on the mounting beam 2 by 165 mm along the length direction of the beam body 21 (denoted as the second position mounting points), and apply a 1000N concentrated force to the second position mounting points of the lug assembly 1 on the mounting beam 2. And, the lugs of the prior art are simulated and verified under the same test conditions.

[0091] The simulation results are shown in Table 1 below:

[0092] Table 1

[0093]

[0094] As can be seen from Table 1, under the same concentrated force of 1000N, the displacement of the ear assembly 1 is reduced compared with the ear of the prior art, whether at the initial installation point or the second installation point. In addition, at the initial installation point, the stiffness of the ear assembly 1 is increased by 12.88% compared with the ear of the prior art; at the second installation point, the stiffness of the ear assembly 1 is increased by 26.88% compared with the ear of the prior art.

[0095] According to yet another embodiment of the present application, a battery pack is provided, comprising the tray as described above.

[0096] According to yet another embodiment of the present application, an electric device is provided, wherein the electric device includes the battery pack as described above.

[0097] The above embodiments focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. Considering the simplicity of the text, they will not be repeated here.

[0098] Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are only for illustration, not for limiting the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A lifting lug assembly, characterized in that: The lifting ear assembly comprises: A first connecting plate (11), the first connecting plate (11) comprising a first connecting portion (111); A second connecting plate (12), the second connecting plate (12) comprising a second connecting portion (121); A mounting portion, used for connecting to the outside, the mounting portion being connected to the first connecting portion (111) and the second connecting portion (121) at a preset angle, and a partition cavity (100) being formed between the first connecting portion (111) and the second connecting portion (121); A connecting sleeve (14), wherein the connecting sleeve (14) is arranged in the partition cavity (100), and the first connecting portion (111) and the second connecting portion (121) are both connected to the connecting sleeve (14); the connecting sleeve (14) is configured to lift equipment used by the lifting ear assembly.

2. The hanging ear assembly according to claim 1, characterized in that: The mounting portion comprises a third connecting portion (113) and a fourth connecting portion (122) which are fitted and connected, The third connecting portion (113) is connected to one end of the first connecting portion (111) at a preset angle; The fourth connecting portion (122) is connected to one end of the second connecting portion (121) at a preset angle.

3. The hanging ear assembly according to claim 1, characterized in that: The first connecting plate (11) further comprises a fifth connecting portion (112), the fifth connecting portion (112) being located at an end of the first connecting portion (111) away from the mounting portion, one end of the fifth connecting portion (112) being connected to the first connecting portion (111) at a preset angle, and the other end of the fifth connecting portion (112) being connected to the second connecting portion (121) at a preset angle.

4. The hanging ear assembly according to claim 1, characterized in that: The lifting ear assembly further comprises a third connecting plate (13), the third connecting plate (13) being connected to the second connecting plate (12), and the third connecting plate (13) being arranged on a surface of the second connecting plate (12) facing away from the first connecting plate (11).

5. The hanging ear assembly according to claim 4, characterized in that: The third connecting plate (13) is in the form of a right triangle; one right-angled side of the third connecting plate (13) is connected to a surface of the second connecting portion (121) that faces away from the first connecting plate (11), and the other right-angled side of the third connecting plate (13) is connected to a surface of the mounting portion.

6. The hanging ear assembly according to claim 3, characterized in that: The mounting portion comprises a third connection portion (113) and a fourth connection portion (122) which are fitted together, the ear assembly is provided with a first pleated portion (110), and the first pleated portion (110) is distributed on the first connection portion (111), the third connection portion (113) and the fifth connection portion (112); and / or the ear assembly is provided with a second pleated portion (120), and the second pleated portion (120) is distributed on the second connection portion (121) and the fourth connection portion (122).

7. The hanging ear assembly according to any one of claims 1 to 6, characterized in that: The first connecting portion (111) is provided with a first through hole, the second connecting portion (121) is provided with a second through hole, and the connecting sleeve (14) is arranged in the spacer cavity (100) and penetrates the first through hole and the second through hole, so as to penetrate a fastener to lift the equipment to which the lifting ear assembly is applied.

8. A pallet, characterized in that: The tray includes a lug assembly (1) as described in any one of claims 1-7; it further includes a mounting beam (2), the mounting beam (2) includes a beam body (21), and the lug assembly (1) is connected to the beam body (21).

9. The pallet according to claim 8, characterized in that: Along the length direction of the beam body (21), the beam body (21) is provided with a plurality of uniformly distributed mounting positions, and the mounting part is selectively mounted at any one of the mounting positions and is detachably connected to the beam body (21).

10. The pallet according to claim 9, characterized in that At any one of the mounting positions, the beam body (21) is provided with at least one second connecting member, and the lug assembly (1) is provided with a first connecting member matching the second connecting member at its mounting part, and the first connecting member is cooperatively connected with any one of the second connecting members.

11. The pallet according to claim 10, characterized in that At any one of the mounting positions, the beam body (21) is provided with a plurality of uniformly distributed second connecting holes (210). The lug assembly (1) is provided with a plurality of uniformly distributed first connecting holes (101) penetrating through the mounting part. The pore size and hole pitch of the first connecting hole (101) are the same as those of the second connecting hole (210). When the lug assembly (1) is connected to the beam body (21), the first connecting hole (101) and the second connecting hole (210) are arranged correspondingly; the lug assembly (1) and the beam body (21) are detachably connected by a fastener passing through the first connecting hole (101) and the second connecting hole (210).

12. The pallet according to claim 9, characterized in that The tray further includes a tray side beam (3), the tray side beam (3) is connected to the mounting beam (2), and the tray side beam (3) is arranged on the side of the mounting beam (2)背离 the lug assembly (1); the cross section of the tray side beam (3) is in a shape of a Chinese character 'Ri'.

13. The pallet according to claim 12, characterized in that The beam body (21) includes a connecting beam (211), a first flanging part (212) and a second flanging part (213), the first flanging part (212) is vertically connected to one end of the connecting beam (211), and the second flanging part (213) is connected to the other end of the connecting beam (211); and the first flanging part (212) and the second flanging part (213) are arranged oppositely. A plurality of the mounting positions are arranged on the connecting beam (211), the connecting beam (211) is detachably connected to the lug assembly (1), and the tray side beam (3) is connected to the surface of the first flanging part (212) facing the second flanging part (213).

14. The pallet according to claim 13, characterized in that The mounting beam (2) further includes a reinforcing plate (22), the reinforcing plate (22) is fixedly connected to the beam body (21); the cross section of the reinforcing plate (22) is in a polygon shape, one side of the reinforcing plate (22) is connected to the connecting beam (211), and the other side of the reinforcing plate (22) is connected to the surface of the first flanging part (212) facing the second flanging part (213).

15. A battery pack, characterized in that: The battery pack includes a tray as described in any one of claims 8-14.

16. An electrical equipment, characterized in that: The electrical equipment includes a battery pack as described in claim 15.

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