CN214505697U

CN214505697U - Battery pack fixing device

Info

Publication number: CN214505697U
Application number: CN202120891316.XU
Authority: CN
Inventors: 万长福
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-10-26
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a battery pack fixing device, which relates to the field of electric automobile power batteries and comprises a fixing bracket and a movable clamping piece; the fixed bracket is fixedly connected with the vehicle body, and the movable clamp is arranged on the fixed bracket; the fixed bracket comprises a bracket main body and a first connecting mechanism; the movable clamp comprises a guide rail, a moving end, a return spring, a middle support piece and a clamping arm; the length direction of the guide rail is along the central axis direction of the bracket main body; the moving end can move along the guide rail; one end of the reset spring is fixedly connected with the moving end, and the other end of the reset spring is fixedly connected with the guide rail; the front end of the middle support piece is rotationally connected with the moving end, and the rear end of the middle support piece is positioned above the rear side of the bracket main body; the two clamping arms are arranged in a bilateral symmetry mode, the inner ends of the two clamping arms are respectively connected with the moving end in a rotating mode, and the outer ends of the two clamping arms are respectively located above the left side and the right side of the bracket main body. The utility model has the advantages that: the battery pack can be conveniently and quickly installed and detached.

Description

Battery pack fixing device

Technical Field

The utility model relates to an electric automobile power battery field especially relates to a battery package fixing device.

Background

With the increasing severity of energy and environmental issues and the increasing maturity of key technologies of power batteries, power batteries have been widely used in electric vehicles, electric motorcycles, electric bicycles, and other products. When the existing battery pack is fixed on a vehicle, the battery pack is fixed through bolts, the number of bolts to be used is large, more time can be wasted when the bolts inside are installed and disassembled, the labor intensity of operators is increased, and the working efficiency of the battery pack is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a battery package fixing device that can convenient and fast install and dismantle the battery package is provided.

The utility model discloses a realize solving above-mentioned technical problem through following technical means: the battery pack fixing device comprises a fixing bracket (1) and a movable clamp (2); the fixed bracket (1) is fixedly connected with a vehicle body, and the movable clamp (2) is arranged on the fixed bracket (1); the fixing bracket comprises a bracket main body (11) and a first connecting mechanism (12), the first connecting mechanism (12) is fixedly connected to the front part of the bracket main body (11), and the battery pack (3) is fixedly connected with the fixing bracket (1) through the first connecting mechanism (12); the movable clamp (2) comprises a guide rail (21), a moving end (22), a return spring (23), a middle support piece (24) and a clamping arm (25); the length direction of the guide rail (21) is along the central axis direction of the bracket main body (11) from front to back; the moving end (22) is connected to the guide rail (21) and can move along the guide rail (21); one end of the return spring (23) is fixedly connected with the moving end (22), and the other end of the return spring is fixedly connected with the guide rail (21); the front end of the middle support piece (24) is rotationally connected with the moving end (22), and the rear end of the middle support piece (24) is positioned above the rear side of the bracket main body (11); two arm lock (25) bilateral symmetry set up, the inner of two arm lock (25) respectively with remove end (22) and rotate and connect, the outer end of two arm lock (25) is located respectively the left and right sides top of bracket main part (11).

When the battery pack is installed, the fixed bracket is fixedly connected with the vehicle body through the second connecting mechanism, then the battery pack is placed at the top of the bracket main body by a forklift and pushed to move backwards, the supporting piece moves backwards in the battery pack belt, the middle supporting piece drives the moving end to move backwards along the guide rail, the moving end pulls the inner ends of the two clamping arms to move backwards, so that the outer ends of the two clamping arms are folded inwards, the battery pack is clamped finally, and finally the battery pack is fixedly connected with the fixed bracket through the first connecting mechanism; when the battery pack is disassembled, the first connecting mechanism is firstly loosened, then the battery pack is taken out by a forklift, after the battery pack is taken out, the reset spring pulls the moving end to restore to the original position, and the middle support piece and the clamping arms restore to the original position under the action of the reset spring; the battery pack can be conveniently and quickly installed and detached.

As an optimized technical scheme, the first connecting mechanism (12) comprises a plurality of first connecting holes, and the battery pack (3) is fixedly connected with the fixing bracket (1) through first fasteners respectively connected in the first connecting holes.

As the optimized technical scheme, the fixing bracket (1) further comprises a second connecting mechanism (13), the second connecting mechanism (13) is fixedly connected to the bottom of the bracket main body (11), the second connecting mechanism (13) comprises a plurality of second connecting holes, the second connecting holes are respectively located on the left side and the right side of the front portion of the bottom surface of the bracket main body (11) and the left side and the right side of the rear portion of the bottom surface, and the fixing bracket (1) is fixedly connected with the vehicle body through second fasteners respectively connected to the second connecting holes.

As an optimized technical scheme, the movable clamping piece (2) further comprises a limiting rotating shaft (26), the axis of the limiting rotating shaft (26) is perpendicular to the plane where the moving tracks of the two clamping arms (25) are located, the two limiting rotating shafts (26) are arranged, and the middle parts of the two clamping arms (25) are respectively in rotating connection with the two limiting rotating shafts (26). The limiting rotating shaft is used for limiting the clamping arm.

As an optimized technical scheme, the fixing bracket (1) further comprises a clamp movable cavity (14), a first limiting hole (15) and a second limiting hole (17); a clamp movable cavity (14) is arranged inside the bracket main body (11); a first limiting hole (15) is formed in the middle of the rear side face of the bracket main body (11); the left side surface and the right side surface of the bracket main body (11) are respectively provided with a second limiting hole (17), and the two second limiting holes (17) are arranged in a bilateral symmetry manner; the guide rail (21) is arranged in the clamping piece movable cavity 14 and is fixedly connected with the bracket main body (11); the middle support piece (24) penetrates through the first limiting hole (15); the two clamping arms (25) respectively penetrate through the two second limiting holes (17).

As an optimized technical scheme, the fixing bracket (1) further comprises clamping arm movable grooves (16), the left side surface and the right side surface of the bracket main body (11) are respectively provided with the clamping arm movable grooves (16), the two clamping arm movable grooves (16) are arranged in a bilateral symmetry mode, the clamping arm movable grooves (16) are trapezoidal grooves which are recessed in the middle of the clamping piece movable cavity (14) from the side surfaces of the bracket main body (11), and the opening width of the trapezoidal grooves is larger than the bottom surface width. The clamping arm movable groove is arranged, so that the clamping arm can move conveniently.

As the optimized technical scheme, the fixing bracket (1) further comprises pushing grooves (18), the front side surface of the bracket main body (11) is provided with two pushing grooves (18), the two pushing grooves (18) are arranged at left and right sides at intervals and are symmetrically distributed on two sides of the central axis of the bracket main body (11) from front to back, the pushing grooves (18) are strip-shaped grooves, the front side surface of the bracket main body (11) faces to the middle concave of the clamping piece movable cavity (14). Set up the push-on groove, make things convenient for equipment such as fork truck to remove the battery package.

The middle supporting piece (24) comprises a middle supporting piece bottom plate (241), a middle supporting piece side plate (242), a middle supporting piece top plate (243) and a buffer layer (244); the middle support bottom plate (241) is a strip-shaped plate, the middle support bottom plate (241) penetrates through the first limiting hole (15), and the front end of the middle support bottom plate (241) is rotatably connected with the moving end (22); the middle supporting piece side plate (242) is fixedly connected above the rear end of the middle supporting piece bottom plate (241); the middle supporting piece top plate (243) is fixedly connected to the front side of the top of the middle supporting piece side plate (242) and is positioned above the rear side of the bracket main body (11); the buffer layer (244) is fixedly connected to the rear part of the top surface of the middle holder bottom plate (241), the front side surface of the middle holder side plate (242) and the bottom surface of the middle holder top plate (243), and the part of the buffer layer (244) on the top surface of the middle holder bottom plate (241) is gradually thickened from front to back. The structure of well support piece conveniently blocks the rear side of battery package, and the buffer layer has buffering cushioning effect.

As an optimized technical scheme, the clamping arm (25) comprises a clamping arm bottom plate (251), a clamping arm side plate (252), a clamping arm top plate (253) and a damping layer (254); the clamping arm bottom plate (251) is a strip-shaped plate, the clamping arm bottom plate (251) penetrates through the second limiting hole (17), and the front end of the clamping arm bottom plate (251) is rotatably connected with the moving end (22); the clamping arm side plate (252) is fixedly connected above the outer end of the clamping arm bottom plate (251); the clamping arm top plates (253) are fixedly connected to the inner sides of the tops of the clamping arm side plates (252), and the two clamping arm top plates (253) are respectively positioned above the left side and the right side of the bracket main body (11); the shock absorption layer (254) is fixedly connected to the outer portion of the top surface of the clamping arm bottom plate (251), the inner side surface of the clamping arm side plate (252) and the bottom surface of the clamping arm top plate (253). The structure of arm lock conveniently blocks the left and right sides of battery package, and the buffer layer has buffering cushioning effect.

As an optimized technical scheme, the clamping arm (25) further comprises a buffer block rotating shaft (255) and a buffer block (256); the buffer block rotating shaft (255) is fixedly connected between the clamping arm bottom plate (251) and the clamping arm top plate (253), and the axis of the buffer block rotating shaft (255) is perpendicular to the clamping arm bottom plate (251); the middle part of the buffer block (256) is rotationally connected with the buffer block rotating shaft (255); the inner side surface of the buffer block (256) is a plane, and the front part of one surface, facing the clamping arm side plate (252), of the buffer block (256) is an arc surface. The buffer block rotating shaft and the buffer block can enable the buffer block to turn along with the passing in and out of the battery pack, and the battery pack is convenient to pass in and out.

The utility model has the advantages that:

1. the battery pack can be conveniently and quickly installed and detached.

2. The buffer layer of the middle support piece and the shock absorption layer of the clamping arm have the buffer and shock absorption functions.

2. The buffer block rotating shaft of the middle support piece and the shape of the buffer block can enable the buffer block to turn along with the entering and exiting of the battery pack, and the battery pack is convenient to enter and exit.

Drawings

Fig. 1 is a schematic structural view of a battery pack according to an embodiment of the present invention, the battery pack being mounted on a battery pack fixing device.

Fig. 2 is a schematic structural view of a battery pack fixing device according to an embodiment of the present invention.

Fig. 3 is a schematic view of the overall structure of the fixing bracket according to the embodiment of the present invention.

Fig. 4 is a schematic view of an internal structure of a fixing bracket according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a movable clip according to an embodiment of the present invention.

Fig. 6 is a schematic side view of a holder according to an embodiment of the invention.

Fig. 7 is a schematic front view of a clamp arm according to an embodiment of the present invention.

Figure 8 is the cross section schematic diagram of the utility model discloses an embodiment arm lock.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the battery pack fixing device includes a fixing bracket 1 and a movable clamp 2, the fixing bracket 1 is fixedly connected with a vehicle body, and the movable clamp 2 is mounted on the fixing bracket 1 and used for clamping a battery pack 3.

As shown in fig. 3 and 4, the fixing bracket 1 includes a bracket body 11, a first connecting mechanism 12, a second connecting mechanism 13, a clip moving cavity 14, a first limiting hole 15, a clamping arm moving slot 16, a second limiting hole 17, and a pushing slot 18.

The bracket body 11 includes an upper body and a lower body, and the upper body and the lower body are welded together.

First coupling mechanism 12 fixed connection is in the front portion of bracket main part 11, and first coupling mechanism 12 includes 4 axis perpendicular to go up the first connecting hole of the top surface of main part, 4 first connecting holes are located respectively go up the anterior left and right sides of top surface of main part, 2 first connecting hole bilateral symmetry in every side set up, and battery package 3 is connected respectively first fastener and the 1 fixed connection of mounting bracket in each first connecting hole through 4, first connecting hole is the screw hole, first fastener adopts the bolt.

Second coupling mechanism 13 fixed connection is in the bottom of bracket main part 11, and second coupling mechanism 13 includes 4 axis perpendicular to the second connecting hole of the bottom surface of main part down, 4 second connecting holes are located respectively the left and right sides at the anterior left and right sides of bottom surface and the left and right sides at bottom surface rear portion of bottom surface of main part down, fixing bracket 1 connects second fastener and automobile body fixed connection in each second connecting hole respectively through 4, the second connecting hole is the screw hole, the second fastener adopts the bolt.

A clamping piece movable cavity 14 is arranged inside the bracket main body 11, the clamping piece movable cavity 14 is positioned on the lower main body, and the upper main body is closed at an opening of the clamping piece movable cavity 14.

A rectangular first limiting hole 15 is formed in the middle of the rear side surface of the bracket main body 11.

The left side and the right side of the bracket body 11 are respectively provided with a clamping arm movable groove 16, the two clamping arm movable grooves 16 are arranged in bilateral symmetry, the clamping arm movable grooves 16 are trapezoidal grooves recessed from the side of the bracket body 11 to the middle of the clamping piece movable cavity 14, and the opening width of the trapezoidal grooves is larger than the width of the bottom surface.

Rectangular second limiting holes 17 are formed in the left side face and the right side face of the bracket main body 11 respectively, and the two second limiting holes 17 are located on the bottom faces of the two clamping arm movable grooves 16 respectively and are arranged in a bilateral symmetry mode.

The front side of bracket main part 11 is equipped with two push-in grooves 18, and two push-in grooves 18 control the interval setting and the symmetric distribution is on bracket main part 11 from the preceding axis both sides to the back, and push-in groove 18 is the rectangular strip shape groove of the middle concave yield of the front side of bracket main part 11 to folder activity cavity 14.

As shown in fig. 5, the movable clamp 2 includes a guide rail 21, a moving end 22, a return spring 23, a middle holder 24, a clamping arm 25, and a limit shaft 26.

The guide rail 21 is arranged in the clamp movable cavity 14 and is fixedly connected with the bottom plate of the lower main body, and the length direction of the guide rail 21 is along the central axis direction of the bracket main body 11 from front to back; the moving end 22 adopts a roller, and the moving end 22 is connected to the guide rail 21 and can move along the guide rail 21; one end of the return spring 23 is fixedly connected to the moving end 22, and the other end is fixedly connected to the front end of the guide rail 21.

The middle support piece 24 penetrates through the first limiting hole 15, the front end of the middle support piece 24 is rotatably connected with the moving end 22, and the rear end of the middle support piece 24 is located above the rear side of the bracket main body 11.

The two clamping arms 25 are arranged in bilateral symmetry, the two clamping arms 25 penetrate through the two second limiting holes 17 respectively, the inner ends of the two clamping arms 25 are rotatably connected with the moving end 22 respectively, and the outer ends of the two clamping arms 25 are located above the left side and the right side of the bracket main body 11 respectively.

The two limiting rotating shafts 26 are respectively arranged in the clamp movable cavity 14 and are respectively fixedly connected with the bracket main body 11, the axes of the two limiting rotating shafts 26 are perpendicular to the plane where the moving tracks of the two clamping arms 25 are located, and the middle parts of the two clamping arms 25 are respectively rotatably connected with the two limiting rotating shafts 26.

As shown in fig. 6, the middle tray 24 includes a middle tray bottom plate 241, a middle tray side plate 242, a middle tray top plate 243, and a buffer layer 244; the middle support bottom plate 241 is a strip-shaped plate, the middle support bottom plate 241 penetrates through the first limiting hole 15, and the front end of the middle support bottom plate 241 is rotatably connected with the moving end 22; the middle supporting piece side plate 242 is fixedly connected above the rear end of the middle supporting piece bottom plate 241; the middle supporting piece top plate 243 is fixedly connected to the front side of the top of the middle supporting piece side plate 242 and is positioned above the rear side of the bracket main body 11; the buffer layer 244 is fixedly connected to the rear portion of the top surface of the bottom tray plate 241, the front side surface of the side tray plate 242, and the bottom surface of the top tray plate 243, and the portion of the buffer layer 244 located on the top surface of the bottom tray plate 241 is gradually increased in thickness from front to back.

As shown in fig. 7 and 8, the clamping arm 25 includes a clamping arm bottom plate 251, a clamping arm side plate 252, a clamping arm top plate 253, a shock-absorbing layer 254, a buffer block rotating shaft 255 and a buffer block 256; the clamping arm bottom plate 251 is a strip-shaped plate, the clamping arm bottom plate 251 penetrates through the second limiting hole 17, and the front end of the clamping arm bottom plate 251 is rotatably connected with the moving end 22; the clamping arm side plate 252 is fixedly connected above the outer end of the clamping arm bottom plate 251; the clamping arm top plates 253 are fixedly connected to the inner sides of the tops of the clamping arm side plates 252, and the two clamping arm top plates 253 are respectively positioned above the left side and the right side of the bracket main body 11; the damping layer 254 is fixedly connected to the outer part of the top surface of the clamping arm bottom plate 251, the inner side surface of the clamping arm side plate 252 and the bottom surface of the clamping arm top plate 253; the buffer block rotating shaft 255 is fixedly connected between the clamping arm bottom plate 251 and the clamping arm top plate 253, and the axis of the buffer block rotating shaft 255 is vertical to the clamping arm bottom plate 251; the middle part of the buffer block 256 is rotatably connected with the buffer block rotating shaft 255, the inner side surface of the buffer block 256 is a plane, and the front part of one surface of the buffer block 256 facing the clamping arm side plate 252 is an arc surface.

The use method of the battery pack fixing device comprises the following steps: when the battery pack 3 is installed, firstly, the fixing bracket 1 is fixedly connected with the vehicle body through the second connecting mechanism 13, then the battery pack 3 is placed at the top of the bracket main body 11 by a forklift and pushes the battery pack 3 to move backwards, the battery pack 3 drives the middle supporting piece 24 to move backwards, the middle supporting piece 24 drives the moving end 22 to move backwards along the guide rail 21, the moving end 22 pulls the inner ends of the two clamping arms 25 to move backwards, so that the outer ends of the two clamping arms 25 are folded inwards, finally, the battery pack 3 is clamped, and finally, the battery pack 3 is fixedly connected with the fixing bracket 1 through the first connecting mechanism 12.

When the battery pack 3 is disassembled, firstly, 4 fasteners of the first connecting mechanism 12 are disassembled, then the battery pack 3 is taken out by a forklift, after the battery pack 3 is taken out, the return spring 23 pulls the moving end 22 to return to the original position, and the middle support piece 24 and the clamping arms 25 return to the original position under the action of the return spring 23.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A battery pack fixing device is characterized in that: comprises a fixed bracket (1) and a movable clamp (2); the fixed bracket (1) is fixedly connected with a vehicle body, and the movable clamp (2) is arranged on the fixed bracket (1); the fixing bracket comprises a bracket main body (11) and a first connecting mechanism (12), the first connecting mechanism (12) is fixedly connected to the front part of the bracket main body (11), and the battery pack (3) is fixedly connected with the fixing bracket (1) through the first connecting mechanism (12); the movable clamp (2) comprises a guide rail (21), a moving end (22), a return spring (23), a middle support piece (24) and a clamping arm (25); the length direction of the guide rail (21) is along the central axis direction of the bracket main body (11) from front to back; the moving end (22) is connected to the guide rail (21) and can move along the guide rail (21); one end of the return spring (23) is fixedly connected with the moving end (22), and the other end of the return spring is fixedly connected with the guide rail (21); the front end of the middle support piece (24) is rotationally connected with the moving end (22), and the rear end of the middle support piece (24) is positioned above the rear side of the bracket main body (11); two arm lock (25) bilateral symmetry set up, the inner of two arm lock (25) respectively with remove end (22) and rotate and connect, the outer end of two arm lock (25) is located respectively the left and right sides top of bracket main part (11).

2. The battery pack holding apparatus according to claim 1, wherein: the first connecting mechanism (12) comprises a plurality of first connecting holes, and the battery pack (3) is fixedly connected with the fixing bracket (1) through first fasteners respectively connected in the first connecting holes.

3. The battery pack holding apparatus according to claim 1, wherein: fixing bracket (1) still includes second coupling mechanism (13), second coupling mechanism (13) fixed connection be in the bottom of bracket main part (11), second coupling mechanism (13) include a plurality of second connecting holes, and each second connecting hole is located respectively the left and right sides at the bottom surface front portion's of bracket main part (11) left and right sides and bottom surface rear portion, fixing bracket (1) is through connecting second fastener and automobile body fixed connection in each second connecting hole respectively.

4. The battery pack holding apparatus according to claim 1, wherein: the movable clamping piece (2) further comprises a limiting rotating shaft (26), the axis of the limiting rotating shaft (26) is perpendicular to the plane where the moving tracks of the two clamping arms (25) are located, the two limiting rotating shafts (26) are arranged, and the middle parts of the two clamping arms (25) are respectively in rotating connection with the two limiting rotating shafts (26).

5. The battery pack holding apparatus according to claim 1, wherein: the fixing bracket (1) further comprises a clamp piece movable cavity (14), a first limiting hole (15) and a second limiting hole (17); a clamp movable cavity (14) is arranged inside the bracket main body (11); a first limiting hole (15) is formed in the middle of the rear side face of the bracket main body (11); the left side surface and the right side surface of the bracket main body (11) are respectively provided with a second limiting hole (17), and the two second limiting holes (17) are arranged in a bilateral symmetry manner; the guide rail (21) is arranged in the clamping piece movable cavity (14) and is fixedly connected with the bracket main body (11); the middle support piece (24) penetrates through the first limiting hole (15); the two clamping arms (25) respectively penetrate through the two second limiting holes (17).

6. The battery pack holding apparatus according to claim 5, wherein: fixing bracket (1) still includes arm lock activity groove (16), the left surface and the right flank of bracket main part (11) are equipped with arm lock activity groove (16) respectively, and two arm lock activity grooves (16) bilateral symmetry set up, arm lock activity groove (16) are for following the side of bracket main part (11) to the trapezoidal groove of the middle recess of folder activity cavity (14), its opening width is greater than the bottom surface width.

7. The battery pack holding apparatus according to claim 5, wherein: fixing bracket (1) is still including propelling movement groove (18), the leading flank of bracket main part (11) is equipped with two propelling movement grooves (18), and interval setting and symmetric distribution are in about two propelling movement grooves (18) bracket main part (11) axis both sides from the front to the back, propelling movement groove (18) are for following the leading flank of bracket main part (11) to the bar groove of the middle concave yield of folder activity cavity (14).

8. The battery pack holding apparatus according to claim 5, wherein: the middle supporting piece (24) comprises a middle supporting piece bottom plate (241), a middle supporting piece side plate (242), a middle supporting piece top plate (243) and a buffer layer (244); the middle support bottom plate (241) is a strip-shaped plate, the middle support bottom plate (241) penetrates through the first limiting hole (15), and the front end of the middle support bottom plate (241) is rotatably connected with the moving end (22); the middle supporting piece side plate (242) is fixedly connected above the rear end of the middle supporting piece bottom plate (241); the middle supporting piece top plate (243) is fixedly connected to the front side of the top of the middle supporting piece side plate (242) and is positioned above the rear side of the bracket main body (11); the buffer layer (244) is fixedly connected to the rear part of the top surface of the middle holder bottom plate (241), the front side surface of the middle holder side plate (242) and the bottom surface of the middle holder top plate (243), and the part of the buffer layer (244) on the top surface of the middle holder bottom plate (241) is gradually thickened from front to back.

9. The battery pack holding apparatus according to claim 5, wherein: the clamping arm (25) comprises a clamping arm bottom plate (251), a clamping arm side plate (252), a clamping arm top plate (253) and a damping layer (254); the clamping arm bottom plate (251) is a strip-shaped plate, the clamping arm bottom plate (251) penetrates through the second limiting hole (17), and the front end of the clamping arm bottom plate (251) is rotatably connected with the moving end (22); the clamping arm side plate (252) is fixedly connected above the outer end of the clamping arm bottom plate (251); the clamping arm top plates (253) are fixedly connected to the inner sides of the tops of the clamping arm side plates (252), and the two clamping arm top plates (253) are respectively positioned above the left side and the right side of the bracket main body (11); the shock absorption layer (254) is fixedly connected to the outer portion of the top surface of the clamping arm bottom plate (251), the inner side surface of the clamping arm side plate (252) and the bottom surface of the clamping arm top plate (253).

10. The battery pack holding apparatus as set forth in claim 9, wherein: the clamping arm (25) further comprises a buffer block rotating shaft (255) and a buffer block (256); the buffer block rotating shaft (255) is fixedly connected between the clamping arm bottom plate (251) and the clamping arm top plate (253), and the axis of the buffer block rotating shaft (255) is perpendicular to the clamping arm bottom plate (251); the middle part of the buffer block (256) is rotationally connected with the buffer block rotating shaft (255); the inner side surface of the buffer block (256) is a plane, and the front part of one surface, facing the clamping arm side plate (252), of the buffer block (256) is an arc surface.