Frame, box body, battery replacing device and vehicle

Abstract

A frame, a box, a battery replacing device and a vehicle are provided, the frame is used for the box, the frame comprises a bottom frame and a top frame which are oppositely arranged at intervals, the width of the bottom frame is larger than that of the top frame in the width direction of the frame, a containing cavity is defined by the frame, the containing cavity is suitable for containing a battery pack, and shaking of the battery replacing device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery replacement, and in particular to a frame, a box, a battery replacement device and a vehicle. Background Art

[0002] In the field of engineering vehicle battery replacement, a battery replacement device is used to achieve rapid battery replacement, which increases the working efficiency of the machine. In the prior art, a rectangular battery replacement frame is used to fix the battery pack, which causes the battery replacement device to shake severely under harsh working conditions. Utility Model Content

[0003] The utility model aims to provide a frame, a box, a battery exchange device and a vehicle to solve the problem of severe shaking of the battery exchange device.

[0004] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0005] In a first aspect, the utility model provides a frame, comprising a bottom frame and a top frame that are relatively and spaced apart from each other, wherein in the width direction of the frame, the width of the bottom frame is greater than the width of the top frame, and the frame encloses a accommodating cavity suitable for accommodating a battery pack.

[0006] In one embodiment, the frame further includes a first side frame and a second side frame that are arranged opposite to each other and at an interval, the first side frame is connected to both the bottom frame and the top frame, and the second side frame is connected to both the bottom frame and the top frame.

[0007] In one embodiment, the orthographic projection of the first side frame in the width direction of the frame extends along a straight line; and / or the orthographic projection of the second side frame in the width direction of the frame extends along a straight line.

[0008] In one embodiment, the frame further includes a support assembly, the support assembly is connected to both the first side frame and the second side frame, the support assembly extends along the length direction of the frame, and the support assembly is suitable for carrying the battery pack.

[0009] In one embodiment, there are multiple support assemblies, and the multiple support assemblies are arranged at intervals along the height direction of the frame; and / or the multiple support assemblies are located on the same straight line in the height direction of the frame.

[0010] In one embodiment, the support assembly includes a first support member, the first support member is connected to the first side frame, the first support member is accommodated in the accommodating cavity, the first support member includes a first surface and a second surface opposite to each other, the first surface is suitable for abutting against the battery pack, and the second surface faces the ground.

[0011] In one embodiment, the support assembly also includes a second support member, which is connected to the second side frame, and the second support member is accommodated in the accommodating cavity. The second support member and the first support member are spaced apart in the width direction of the frame and are located at the same horizontal height. The second support member includes a third surface and a fourth surface opposite to each other, the third surface is suitable for abutting against the battery pack, and the fourth surface faces the ground.

[0012] In one embodiment, the first side frame, the top frame, the second side frame and the bottom frame enclose a first opening, the first opening is connected to the accommodating cavity, and the cross-sectional shape of the outer contour of the first opening is a trapezoid.

[0013] In one embodiment, the frame further includes a third side frame, the third side frame is connected to the first side frame, the top frame, the second side frame and the bottom frame, and the third side frame is opposite to the first opening.

[0014] In one embodiment, the frame includes reinforcing ribs, and the reinforcing ribs are provided on the first side frame; and / or, the reinforcing ribs are provided on the second side frame; and / or, the reinforcing ribs are provided on the bottom frame; and / or, the reinforcing ribs are provided on the top frame.

[0015] In the second aspect, the utility model also provides a box body, including a battery replacement base, a plurality of positioning columns and a frame as described in any one of the various embodiments of the first aspect, the battery replacement base is connected to the frame, the battery replacement base is opposite to and cooperates with the bottom frame, the battery replacement base is arranged at the bottom of the frame, the plurality of positioning columns all extend into the accommodating cavity, and the plurality of positioning columns are arranged at intervals on the battery replacement base.

[0016] In one embodiment, the box body further includes a distribution box, the distribution box is connected to the battery replacement base, and the distribution box is spaced apart from the plurality of positioning columns.

[0017] In one embodiment, the box body further includes a locking assembly, the locking assembly is connected to the battery replacement base, the locking assembly is accommodated in the accommodating cavity, and the locking assembly is suitable for locking the box body.

[0018] In one embodiment, the box body further includes a skin, the skin is connected to the frame, and the skin covers the surrounding surfaces of the frame.

[0019] In one embodiment, a plurality of hoisting holes arranged at intervals are provided on the skin, and the plurality of hoisting holes are suitable for hoisting the box body.

[0020] In the third aspect, the utility model also provides a battery replacement device, comprising a plurality of battery packs and a box body as described in any one of the various embodiments of the second aspect, wherein the plurality of battery packs are connected to the box body, and the plurality of battery packs are accommodated in the accommodating cavity.

[0021] In one embodiment, the battery exchange device further includes a push-pull device, which is connected to the box body and is used to take out or push the plurality of battery packs into the accommodating cavity.

[0022] In a fourth aspect, the present invention further provides a vehicle, comprising a battery exchange device as described in any one of the various embodiments of the third aspect.

[0023] By setting up a frame, the frame includes a bottom frame and a top frame that are relatively and spaced apart. In the width direction of the frame, the width of the bottom frame is greater than the width of the top frame. The frame encloses a accommodating cavity, which is suitable for accommodating a battery pack. This reduces the shaking of the battery exchange device under harsh working conditions and improves the stability of the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 is a schematic diagram of the internal structure of a battery replacement device according to an embodiment;

[0026] Figure 2 is a schematic structural diagram of a framework of an embodiment;

[0027] Figure 3 is a side view of a frame of one embodiment;

[0028] Figure 4 is a top view of a battery replacement base according to an embodiment;

[0029] Figure 5 This is a front view of a battery replacement base according to an embodiment;

[0030] Figure 6 is a side view of a battery replacement base according to an embodiment;

[0031] Figure 7 is a first perspective view of a distribution box of an embodiment;

[0032] Figure 8 is a second perspective view of a distribution box of an embodiment;

[0033] Fig. 9 is a third perspective view of a distribution box of an embodiment;

[0034] Fig.10 is a front view of a box body of an embodiment;

[0035] Fig.11 is a side view of a box body of an embodiment;

[0036] Fig.12 1. A top view of a box body of an embodiment.

[0037] Description of reference numerals:

[0038] 10-frame, 11-bottom frame, 12-top frame, 13-accommodating cavity, 14-first side frame, 15-second side frame, 16-support assembly, 161-first support member, 162-second support member, 17-third side frame, 18-first opening, 20-box, 21-skin, 22-battery exchange base, 23-positioning column, 24-distribution box, 25-locking assembly, 26-lifting hole, 27-battery pack, 30-high-voltage socket, 31-power lead, 32-heating lead, 33-low-voltage lead, 34-grounding point. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0041] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0042] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0043] In the field of engineering vehicle battery replacement, a battery replacement device is used to achieve rapid battery replacement, which increases the working efficiency of the machine. In the prior art, a rectangular battery replacement frame 10 is used to fix the battery pack 27, which causes the battery replacement device to shake severely under harsh working conditions.

[0044] In view of the above problems, the present invention provides a frame 10. Figure 1 , including a bottom frame 11 and a top frame 12.

[0045] The frame 10 includes a bottom frame 11 and a top frame 12 that are oppositely and spaced apart. In the width direction of the frame 10 , the width of the bottom frame 11 is greater than the width of the top frame 12 . The frame 10 encloses a receiving cavity 13 , which is suitable for receiving the battery pack 27 .

[0046] By setting the frame 10, the frame 10 includes a bottom frame 11 and a top frame 12 that are relatively and spaced apart. In the width direction of the frame 10, the width of the bottom frame 11 is greater than the width of the top frame 12. The frame 10 encloses a accommodating cavity 13, and the accommodating cavity 13 is suitable for accommodating the battery pack 27, thereby reducing the shaking of the battery replacement device under harsh working conditions and improving the stability of the frame 10.

[0047] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The frame 10 further includes a first side frame 14 and a second side frame 15 which are arranged opposite to each other and at intervals. The first side frame 14 is connected to both the bottom frame 11 and the top frame 12 , and the second side frame 15 is connected to both the bottom frame 11 and the top frame 12 .

[0048] Optionally, the connection method of the first side frame 14 to the bottom frame 11 can be welding connection, snap connection, riveting connection, etc. Optionally, the connection method of the first side frame 14 to the top frame 12 can be welding connection, snap connection, riveting connection, etc. Optionally, the connection method of the second side frame 15 to the bottom frame 11 can be welding connection, snap connection, riveting connection, etc. Optionally, the connection method of the second side frame 15 to the top frame 12 can be welding connection, snap connection, riveting connection, etc. Optionally, the connection method between the first side frame 14 and the bottom frame 11 and the top frame 12 is welding connection, and the specific welding method between the first side frame 14 and the bottom frame 11 and the top frame 12 is brazing. Optionally, the connection method between the second side frame 15 and the bottom frame 11 and the top frame 12 is welding connection, and the specific welding method between the second side frame 15 and the bottom frame 11 and the top frame 12 is brazing.

[0049] Specifically, the welding strength between the first side frame 14 and the bottom frame 11 and the top frame 12 is high, and the welding strength between the second side frame 15 and the bottom frame 11 and the top frame 12 is high, thereby improving the stability of the frame 10.

[0050] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the orthographic projection of the first side frame 14 in the width direction of the frame 10 extends along a straight line; and / or, the orthographic projection of the second side frame 15 in the width direction of the frame 10 extends along a straight line.

[0051] Optionally, the orthographic projection of the first side frame 14 in the length direction of the frame 10 has a first angle with the ground. Optionally, the first angle may range from 20 degrees to 70 degrees. Specifically, the first angle may be, but is not limited to, 20 degrees, 30 degrees, 50 degrees, and 70 degrees.

[0052] Optionally, the orthographic projection of the second side frame 15 in the length direction of the frame 10 has a second angle with the ground. Optionally, the second angle may range from 20 degrees to 70 degrees. Specifically, the second angle may be, but is not limited to, 20 degrees, 30 degrees, 50 degrees, 70 degrees, etc.

[0053] Optionally, the length of the orthographic projection of the first side frame 14 in the length direction of the frame 10 is the same as the length of the orthographic projection of the second side frame 15 in the length direction of the frame 10 .

[0054] Specifically, the above arrangement lowers the center of gravity of the box body 20, reduces the shaking of the box body 20, and makes it easier to cope with harsh working conditions in the field of engineering machinery.

[0055] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The frame 10 also includes a support assembly 16 , which is connected to both the first side frame 14 and the second side frame 15 . The support assembly 16 extends along the length direction of the frame 10 , and the support assembly 16 is suitable for carrying the battery pack 27 .

[0056] Optionally, the connection between the support assembly 16 and the first side frame 14 may be welding, snap-fitting, riveting, etc. Optionally, the connection between the support assembly 16 and the second side frame 15 may be welding, snap-fitting, riveting, etc.

[0057] Optionally, the support assembly 16 abuts against the battery pack 27 to provide support force to the battery pack 27 .

[0058] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3, there are multiple support assemblies 16, and the multiple support assemblies 16 are arranged at intervals along the height direction of the frame 10; and / or, the multiple support assemblies 16 are located on the same straight line in the height direction of the frame 10.

[0059] Optionally, the number of the support components 16 may range from 1 to 8. Optionally, the number of the support components 16 may specifically be, but not limited to, 1, 2, 5, and 8, etc., and the above numbers are examples and should not be construed as limiting the number of the support components 16.

[0060] Optionally, a plurality of support assemblies 16 are arranged at equal intervals along the height direction of the frame 10 .

[0061] Specifically, the above arrangement improves the stability of supporting the battery pack 27 .

[0062] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The support assembly 16 includes a first support member 161, which is connected to the first side frame 14 and accommodated in the accommodating cavity 13. The first support member 161 includes a first surface and a second surface opposite to each other, the first surface is suitable for abutting against the battery pack 27, and the second surface faces the ground.

[0063] Optionally, the shape of the first surface may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the first surface may be, but not limited to, a quadrilateral, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the second surface may be, but not limited to, a quadrilateral, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the second surface may be, but not limited to, a quadrilateral, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc.

[0064] Specifically, the above arrangement improves the stability of supporting the battery pack 27 .

[0065] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The support assembly 16 also includes a second support member 162, which is connected to the second side frame 15. The second support member 162 is accommodated in the accommodating cavity 13. The second support member 162 and the first support member 161 are spaced apart in the width direction of the frame 10 and are located at the same horizontal height. The second support member 162 includes a third surface and a fourth surface facing each other. The third surface is suitable for abutting against the battery pack 27, and the fourth surface faces the ground.

[0066] Optionally, the shape of the third surface may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the third surface may be, but not limited to, a quadrilateral, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the fourth surface may be, but not limited to, a quadrilateral, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the fourth surface may be, but not limited to, a quadrilateral, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc.

[0067] Specifically, the above arrangement improves the stability of supporting the battery pack 27 .

[0068] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The first side frame 14 , the top frame 12 , the second side frame 15 and the bottom frame 11 enclose a first opening 18 , the first opening 18 is connected to the accommodating cavity 13 , and the cross-sectional shape of the outer contour of the first opening 18 is a trapezoid.

[0069] Specifically, the size of the first opening 18 is determined according to requirements, and the first opening 18 facilitates the entry and exit of the battery pack.

[0070] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The frame 10 further includes a third side frame 17 , which is connected to the first side frame 14 , the top frame 12 , the second side frame 15 and the bottom frame 11 , and is opposite to the first opening 18 .

[0071] Optionally, the connection method between the third side frame 17 and the first side frame 14 can be welding connection, snap connection, riveting connection, etc. Optionally, the connection method between the third side frame 17 and the top frame 12 can be welding connection, snap connection, riveting connection, etc. Optionally, the connection method between the third side frame 17 and the second side frame 15 can be welding connection, snap connection, riveting connection, etc. Optionally, the connection method between the third side frame 17 and the first side frame 14, the top frame 12, the second side frame 15 and the bottom frame 11 can be welding connection, and the specific welding method between the third side frame 17 and the first side frame 14, the top frame 12, the second side frame 15 and the bottom frame 11 is brazing.

[0072] Specifically, the first opening 18 is provided so that the single-layer battery pack 27 can be directly pulled out from the first opening 18 for inspection. Specifically, the welding strength between the third side frame 17 and the first side frame 14, the top frame 12, the second side frame 15 and the bottom frame 11 is large, which improves the stability of the frame 10.

[0073] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The frame 10 includes reinforcing ribs, and the first side frame 14 is provided with reinforcing ribs; and / or, the second side frame 15 is provided with reinforcing ribs; and / or, the bottom frame 11 is provided with reinforcing ribs; and / or, the top frame 12 is provided with reinforcing ribs.

[0074] Specifically, the provision of the reinforcing ribs strengthens the structure of the frame 10 .

[0075] The present utility model also provides a box 20, please refer to Figure 1 , Figure 2 and Figure 3 , including a battery swap base 22, a plurality of positioning columns 23 and the frame 10 as mentioned above, the battery swap base 22 is connected to the frame 10, the battery swap base 22 is opposite to and cooperates with the bottom frame 11, the battery swap base 22 is arranged at the bottom of the frame 10, the plurality of positioning columns 23 all extend into the accommodating cavity 13, and the plurality of positioning columns 23 are arranged at intervals on the battery swap base 22.

[0076] Optionally, the plurality of positioning columns 23 include guide positioning columns and precision positioning columns. Optionally, the number of guide positioning columns is multiple, and the plurality of guide positioning columns are arranged at intervals on the battery replacement base 22. Optionally, the number of precision positioning columns is multiple, and the plurality of precision positioning columns are arranged at intervals on the battery replacement base 22.

[0077] Specifically, the provision of the battery replacement base 22 improves the convenience of battery replacement, and the provision of multiple positioning columns 23 improves the accuracy of positioning.

[0078] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The box body 20 also includes a distribution box 24, which is connected to the battery replacement base 22, and the distribution box 24 is spaced apart from a plurality of positioning columns 23.

[0079] Specifically, the distribution box 24 is placed downward and can be directly taken out from the bottom of the box body 20, which improves the convenience of maintenance.

[0080] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The box body 20 also includes a locking assembly 25, which is connected to the battery replacement base 22. The locking assembly 25 is accommodated in the accommodating cavity 13, and the locking assembly 25 is suitable for locking the box body 20.

[0081] Optionally, the locking component is trapezoidal in shape, and the trapezoidal locking component improves the stability of battery replacement.

[0082] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Fig.10 and Fig.11 The box body 20 further includes a skin 21 , which is connected to the frame 10 and covers the surrounding surfaces of the frame 10 .

[0083] Optionally, the cover 21 is coated on the outer surface of the frame 10. Specifically, the cover 21 can be dustproof and splashproof.

[0084] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Fig.12 The skin 21 is provided with a plurality of lifting holes 26 arranged at intervals, and the plurality of lifting holes 26 are suitable for lifting the box body 20 .

[0085] Optionally, a plurality of hoisting holes 26 are arranged at equal intervals. Optionally, a hook extends through the hoisting hole 26 to hook the frame 10 , thereby realizing the hoisting of the box body 20 .

[0086] Optionally, the hanging hole 26 can be a polygonal hole, a circular hole, an elliptical hole, an irregular hole, etc. Optionally, the hanging hole 26 can be, but is not limited to, a quadrilateral hole, a hexagonal hole, a circular hole, an octagonal hole, an elliptical hole, an irregular hole, etc.

[0087] Specifically, the non-protruding lifting structure design is used to ensure that there is no protrusion on the top of the box body 20, thereby reducing the height of the box body 20 and meeting the strict height requirements of engineering machinery.

[0088] Optional, please refer to Figure 7 , Figure 8 and Fig. 9 The high-voltage socket 30, the power lead 31, the heating lead 32 and the low-voltage lead 33 improve the convenience of the electrical connection during the battery replacement process, and the grounding point 34 can be grounded, thereby improving the safety of battery replacement.

[0089] The present utility model also provides a battery replacement device, please refer to Figure 1 , Figure 2 and Figure 3 , including multiple battery packs 27 and the box body 20 as mentioned above, the multiple battery packs 27 are connected to the box body 20, and the multiple battery packs 27 are accommodated in the accommodating cavity 13.

[0090] Optionally, the number of battery packs 27 may range from 1 to 8. Optionally, the number of battery packs 27 may specifically be, but not limited to, 1, 2, 3, 8, and the like.

[0091] In one embodiment, please refer to Figure 1, Figure 2 and Figure 3 The battery replacement device also includes a push-pull device, which is connected to the box body 20 and is used to take out or push multiple battery packs 27 into the accommodating cavity 13.

[0092] Specifically, the push-pull device facilitates the removal or pushing of the battery pack 27 and improves the efficiency of the removal or pushing of the battery pack 27 .

[0093] An embodiment of the utility model also provides a vehicle, comprising the battery replacement device as described above.

[0094] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship of the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0095] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. A framework, characterized in that: The frame includes a bottom frame and a top frame that are oppositely and spaced apart from each other. In the width direction of the frame, the width of the bottom frame is greater than the width of the top frame. The frame encloses a receiving cavity, and the receiving cavity is suitable for receiving a battery pack.

2. The frame according to claim 1, characterized in that The frame further comprises a first side frame and a second side frame which are arranged opposite to each other and at an interval, wherein the first side frame is connected to both the bottom frame and the top frame, and the second side frame is connected to both the bottom frame and the top frame.

3. The frame according to claim 2, characterized in that The orthographic projection of the first side frame in the width direction of the frame extends along a straight line; and / or the orthographic projection of the second side frame in the width direction of the frame extends along a straight line.

4. The frame according to claim 2, characterized in that The frame further includes a support assembly, the support assembly is connected to both the first side frame and the second side frame, the support assembly extends along the length direction of the frame, and the support assembly is suitable for carrying the battery pack.

5. The frame according to claim 4, characterized in that There are multiple support assemblies, and the multiple support assemblies are arranged at intervals along the height direction of the frame; and / or the multiple support assemblies are located on the same straight line in the height direction of the frame.

6. The frame according to claim 4, characterized in that The support assembly includes a first support member, the first support member is connected to the first side frame, the first support member is accommodated in the accommodating cavity, the first support member includes a first surface and a second surface opposite to each other, the first surface is suitable for abutting against the battery pack, and the second surface faces the ground.

7. The frame according to claim 6, characterized in that The support assembly also includes a second support member, which is connected to the second side frame and accommodated in the accommodating cavity. The second support member and the first support member are spaced apart in the width direction of the frame and are located at the same horizontal height. The second support member includes a third surface and a fourth surface facing each other, the third surface is suitable for abutting against the battery pack, and the fourth surface faces the ground.

8. The frame according to claim 2, characterized in that The first side frame, the top frame, the second side frame and the bottom frame enclose a first opening, the first opening is communicated with the accommodating cavity, and the cross-sectional shape of the outer contour of the first opening is a trapezoid.

9. The frame according to claim 8, characterized in that The frame further includes a third side frame, the third side frame is connected to the first side frame, the top frame, the second side frame and the bottom frame, and the third side frame is opposite to the first opening.

10. The frame according to claim 2, characterized in that The frame includes reinforcing ribs, and the first side frame is provided with the reinforcing ribs; and / or the second side frame is provided with the reinforcing ribs; and / or the bottom frame is provided with the reinforcing ribs; and / or the top frame is provided with the reinforcing ribs.

11. A box, characterized in that: It includes a battery swap base, a plurality of positioning columns and a frame as described in any one of claims 1 to 10, the battery swap base is connected to the frame, the battery swap base is opposite to and cooperates with the bottom frame, the battery swap base is arranged at the bottom of the frame, the plurality of positioning columns all extend into the accommodating cavity, and the plurality of positioning columns are arranged at intervals on the battery swap base.

12. The box according to claim 11, characterized in that: The box body also includes a distribution box, which is connected to the battery replacement base, and the distribution box is spaced apart from the plurality of positioning columns.

13. The box according to claim 11, characterized in that: The box body also includes a locking assembly, which is connected to the battery-changing base, and is accommodated in the accommodating cavity. The locking assembly is suitable for locking the box body.

14. The box according to claim 11, characterized in that: The box body also includes a skin, which is connected to the frame and covers the surrounding surfaces of the frame.

15. The box according to claim 14, characterized in that: The skin is provided with a plurality of hoisting holes arranged at intervals, and the plurality of hoisting holes are suitable for hoisting the box body.

16. A battery replacement device, characterized in that: It comprises a plurality of battery packs and a box body as described in any one of claims 11 to 15, wherein the plurality of battery packs are connected to the box body, and the plurality of battery packs are accommodated in the accommodating cavity.

17. The battery replacement device according to claim 16, characterized in that: The battery replacement device also includes a push-pull device, which is connected to the box body and is used to take out or push the multiple battery packs into the accommodating cavity.

18. A vehicle, characterized in that: Comprising a battery replacement device as described in any one of claims 16 to 17.

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