Battery pack hoisting device

Abstract

The utility model relates to a battery pack production device, in particular to a battery pack hoisting device, which comprises a vacuum generator, the vacuum adsorption device is connected with the vacuum generator and is used for performing vacuum adsorption on the battery pack; the hoisting bottom plate is arranged at the top of the vacuum adsorption device; the handrails are symmetrically arranged at the two ends of the hoisting bottom plate; the anti-falling devices are symmetrically arranged on the two sides of the hoisting bottom plate and used for being clamped on the two sides of the battery pack after the vacuum adsorption device adsorbs the battery pack; and the lifting ring device is arranged above the lifting bottom plate. According to the battery pack hoisting device provided by the utility model, the vacuum suction plate provided with the plurality of vacuum suction holes in an array manner is used for adsorbing the battery pack, and the battery pack is prevented from falling in the moving process through the anti-falling device, so that the safety is greatly improved, and meanwhile, the battery cannot be damaged by clamping.

Description

Technical Field

[0001] The utility model relates to a battery pack production device, in particular to a battery pack hoisting device. Background Art

[0002] Due to their large size and weight, battery packs used in electric vehicles can only be installed in battery boxes by hoisting. Currently, the battery packs are mainly grasped by two methods: grippers and vacuum suction cups. The grippers can easily cause the battery packs to deform, while the vacuum suction cups are prone to falling during movement. Therefore, how to safely and reliably move the battery packs is an urgent problem to be solved. Utility Model Content

[0003] In order to solve the problem that the clamping claws easily damage the battery pack or the vacuum suction cup easily falls during the battery pack lifting process, the utility model provides a battery pack lifting device, and the specific technical solution is as follows:

[0004] A battery pack lifting device comprises: a vacuum generator; a vacuum adsorption device connected to the vacuum generator and used for vacuum adsorption of the battery pack; a lifting base plate provided on the top of the vacuum adsorption device; handrails symmetrically provided at both ends of the lifting base plate; an anti-drop device symmetrically provided on both sides of the lifting base plate and used for being clamped on both sides of the battery pack after the vacuum adsorption device adsorbs the battery pack; and a lifting ring device provided above the lifting base plate.

[0005] Preferably, the vacuum adsorption device includes: a vacuum suction plate, which is provided with a plurality of vacuum suction holes; a vacuum bottom plate, which is provided on the vacuum suction plate and is provided with a plurality of ventilation air paths connected to the vacuum suction holes; and a plurality of vacuum seats, which are provided on the vacuum bottom plate, are connected to the ventilation air paths, and are also connected to the vacuum generator.

[0006] Preferably, the anti-drop device includes: an anti-drop base, which is provided at both ends of the lifting base; an anti-drop connecting rod, one end of which is rotatably provided on the anti-drop base and is provided with an anti-drop positioning hole; an anti-drop base plate, which is provided at the other end of the anti-drop connecting rod; a loading rotary plunger, which is provided at one end of the anti-drop base and is arranged opposite to the anti-drop positioning hole, for making the anti-drop base plate located on both sides of the anti-drop base; and an anti-drop rotary plunger, which is provided at the other end of the anti-drop base and is arranged opposite to the anti-drop positioning hole, for making the anti-drop base plate located below the battery pack.

[0007] Furthermore, it also includes: a handle, which is arranged on the anti-drop connecting rod.

[0008] Furthermore, it also includes: a power-assisting tension spring, both ends of which are connected to the anti-drop base and the anti-drop connecting rod respectively.

[0009] Furthermore, it also includes: a pad, which is arranged on the anti-fall bottom plate.

[0010] Preferably, it further comprises: a reinforcing frame, which is provided on the hoisting base plate and connected to the hoisting ring device.

[0011] Furthermore, the reinforcement frame includes: two cross beams symmetrically arranged; an intermediate longitudinal beam arranged between the two cross beams; an end longitudinal beam arranged at both ends of the cross beam; reinforcing angle pieces arranged between the cross beam and the intermediate longitudinal beam and between the cross beam and the end longitudinal beam; an L-shaped angle plate arranged on the cross beam and the intermediate longitudinal beam; and a connecting base plate arranged at both ends of the end longitudinal beam and connected to the lifting ring device; the cross beam, the intermediate longitudinal beam and the end longitudinal beam are all connected to the lifting base plate.

[0012] It further includes: a reinforcing connecting plate, which is connected to the end longitudinal beam and the connecting bottom plate respectively.

[0013] Preferably, the lifting ring device includes: a lifting top plate; a first lifting ring, arranged at the center of the lifting top plate; four second lifting rings, arranged at the bottom of the lifting bottom plate and located at the four corners of the lifting bottom plate; four third lifting rings, arranged on the lifting bottom plate and corresponding to the second lifting rings one by one; and a lifting connecting rod, the two ends of which are respectively connected to the second lifting ring and the third lifting ring.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The utility model provides a battery pack lifting device that uses a vacuum suction plate with a plurality of vacuum suction holes in an array to absorb the battery pack, and uses an anti-drop device to prevent the battery pack from falling during movement, which greatly improves safety and does not pinch the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of this application;

[0017] Figure 2 It is a front view of the present application;

[0018] Figure 3 is a side view of the present application;

[0019] Figure 4 is a bottom view of the present application;

[0020] Figure 5 It is a structural diagram of the reinforcement frame;

[0021] Figure 6 1. It is a structural diagram of the anti-drop device;

[0022] Figure 7It is a structural diagram of a vacuum adsorption device. DETAILED DESCRIPTION

[0023] The present invention will now be further described with reference to the accompanying drawings.

[0024] like Figures 1 to 7 As shown, a battery pack lifting device includes a vacuum generator 51, a vacuum adsorption device 1, a lifting base plate 2, an armrest 6, an anti-drop device 7 and a lifting ring device 4. The vacuum adsorption device 1 is installed at the bottom of the lifting base plate 2 and is connected to the vacuum generator 51. The vacuum adsorption device 1 is used for vacuum adsorption of the battery pack 9; the armrest 6 is symmetrically fixed at both ends of the lifting base plate 2; the anti-drop device 7 is symmetrically installed on both sides of the lifting base plate 2, and is used for the vacuum adsorption device 1 to adsorb the battery pack 9 and then be stuck on both sides of the battery pack 9; the lifting ring device 4 is installed above the lifting base plate 2 for lifting.

[0025] During hoisting, the anti-drop device 7 is flipped to the bottom of the battery pack 9. When the vacuum adsorption device 1 cannot adsorb the battery pack 9, the battery pack 9 will be caught by the anti-drop device 7 to prevent the battery pack 9 from falling, thereby improving safety and reliability.

[0026] like Figure 7 As shown, the vacuum adsorption device 1 includes a vacuum suction plate 11, a vacuum bottom plate 12, and a vacuum seat 13, which are arranged in sequence from bottom to top. The vacuum suction plate 11 is provided with a plurality of vacuum suction holes 111. The vacuum suction holes 111 are arranged in an array and match the battery pack 9, covering the surface of the battery pack 9. The area of the vacuum suction plate 11 is smaller than the surface of the battery pack 9 to prevent the vacuum suction holes 111 from covering the outside of the battery pack 9 and causing insufficient vacuum suction. The area of the vacuum suction plate 11 is 70-90% of the area of the battery pack 9. The vacuum bottom plate 12 is provided with a plurality of ventilation paths that communicate with the vacuum suction holes 111. The ventilation paths are also connected to the vacuum seat 13. There are three vacuum seats 13. The vacuum seat 13 is also connected to the vacuum generator 51. The vacuum seat 13 is used to form a converging ventilation path to facilitate connection with the vacuum generator 51. The vacuum generator 51 is fixed on the top of the hanging base plate 2 and is located inside the protective cover 53 . The protective cover 53 is fixed on the top of the hanging base plate 2 and is located below the hanging ring device 4 .

[0027] A switch 52 is mounted on the armrest 6 , and the switch is connected to the vacuum generator 51 for controlling the adsorption and release of the vacuum adsorption device 1 .

[0028] like Figure 5As shown, in order to facilitate the connection between the lifting base plate 2 and the lifting ring device 4 and to improve the overall strength, it also includes: a reinforcement frame 3, which is installed on the top of the lifting base plate 2 and connected to the lifting ring device 4. The reinforcement frame 3 includes a crossbeam 31, an intermediate longitudinal beam 32, an end longitudinal beam 33, a reinforcement angle piece 34, an L-shaped angle plate 35, and a reinforcement connecting plate 37. Two crossbeams 31 are symmetrically provided, and three intermediate longitudinal beams 32 are provided. The ends of the intermediate longitudinal beams 32 are fixed to the crossbeam 31 and are arranged at equal intervals. The crossbeams 31, the intermediate longitudinal beams 32, and the end longitudinal beams 33 are all aluminum profiles. The crossbeams 31, the intermediate longitudinal beams 32, and the end longitudinal beams 33 are all connected to the lifting base plate 2 by screws and are located on the top of the lifting base plate 2. The end longitudinal beams 33 are symmetrically installed at both ends of the crossbeam 31. Reinforcement angle pieces 34 are 90° bends installed between the crossbeam 31 and the intermediate longitudinal beam 32, as well as between the crossbeam 31 and the end longitudinal beams 33, to enhance overall strength. L-shaped angle plates 35 are plate-like structures fixed to the crossbeam 31 and the intermediate longitudinal beam 32, further enhancing strength. Connecting base plates 36 are fixed to both ends of the end longitudinal beams 33 and connected to the lifting rings 4. Reinforcement connecting plates 37 are connected to the end longitudinal beams 33 and the connecting base plates 36, respectively, to enhance the reliability of the connection between the connecting base plates 36 and the reinforcement frame 3.

[0029] like Figures 1 to 3 As shown, the lifting ring device 4 includes a lifting top plate 41, a first lifting ring 42, a second lifting ring 45, a third lifting ring 44 and a lifting connecting rod 43. The first lifting ring 42 is installed at the center of the lifting top plate 41, and a reinforcing lining plate 46 is also installed under the lifting top plate 41; there are four second lifting rings 45, which are respectively fixed on the four corners of the bottom of the lifting bottom plate 2; there are also four third lifting rings 44, which are installed on the connecting bottom plate 36, and correspond one-to-one with the second lifting rings 45, and are connected through the lifting connecting rod 43.

[0030] like Figure 6As shown, the anti-drop device 7 includes an anti-drop base 75, an anti-drop connecting rod 71, an anti-drop bottom plate 73, a feeding rotary plunger 79, an anti-drop rotary plunger 77, a handle 72, a pad 74 and a power-assisting tension spring 78. The anti-drop base 75 is fixed to the end of the end longitudinal beam 33 and is respectively located on the two end longitudinal beams 33. The anti-drop base 75 is also connected to the connecting bottom plate 36. One end of the anti-drop connecting rod 71 is rotatably mounted on the anti-drop base 75 through a connecting shaft 76. The anti-drop connecting rod 71 is also provided with an anti-drop positioning hole 711. The anti-drop connecting rod 71 is L-shaped. The anti-drop bottom plate 73 is L-shaped, which can increase strength and can block materials from both sides to improve safety. The two ends of the anti-drop bottom plate 73 are respectively fixed on the two anti-drop connecting rods 71 and are located on the corner arms of the anti-drop connecting rods 71. The loading rotary plunger 79 and the anti-drop rotary plunger 77 are respectively installed at the two ends of the anti-drop base 75, and are both arranged opposite to the anti-drop positioning hole 711. The loading rotary plunger 79 is used to make the anti-drop base 73 located on both sides of the anti-drop base 75; the anti-drop rotary plunger 77 is used to make the anti-drop base 73 located below the battery pack 9. In order to facilitate the rotation of the anti-drop connecting rod 71, it also includes a handle 72. There are four handles 72, which are respectively fixed at the ends of the four anti-drop connecting rods 71 and are located below the anti-drop base 73 for easy grasping. In order to make the anti-drop base 73 more labor-saving when switching work positions, it also includes an assist tension spring 78. The two ends of the assist tension spring 78 are respectively connected to the anti-drop base 75 and the anti-drop connecting rod 71. The anti-drop base 73 is also equipped with a pad 74. The pad 74 is made of a rubber plate to prevent damage to the battery pack 9.

[0031] During hoisting, the first lifting ring 42 is connected to the hook of the crane, the anti-drop positioning hole 711 of the anti-drop link 71 is inserted into the loading rotary plunger 79, and the anti-drop base plate 73 is located above the hoisting base plate 2 and will not interfere with the battery pack 9; the personnel hold the handrail 6 and cooperate with the crane to move the hoisting device. When the vacuum suction plate 11 moves to the top of the battery pack 9, the vacuum generator 51 is started, the vacuum suction plate 11 adsorbs the battery pack 9, and then lifts the battery pack 9 to a suitable height, then pulls the plunger rod of the loading rotary plunger 79 out of the anti-drop positioning hole 711, and then holds the handle 72 to rotate the anti-drop link 71 to rotate the anti-drop base plate 73 to the bottom of both sides of the battery pack 9 , then insert the plunger rod of the anti-drop rotating plunger 77 into the anti-drop positioning hole 711 to keep the anti-drop base plate 73 below the battery pack 9, then continue to lift the battery pack 9 to the specified height, and then move the battery pack 9 to the assembly station by driving. First, pull the plunger rod of the anti-drop rotating plunger 77 out of the anti-drop positioning hole 711, then hold the handle 72 and rotate the anti-drop connecting rod 71 to flip the anti-drop base plate 73 to the top of the lifting base plate 2, and then insert the plunger rod of the loading rotary plunger 79 into the anti-drop positioning hole 711 to keep the anti-drop base plate 73 in position, avoid free rotation, and prevent interference, thereby not affecting the assembly of the battery pack 9.

[0032] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific embodiments of the present invention without inventive effort, and such embodiments will fall within the scope of protection of the claims of the present invention.

Claims

1. A battery pack lifting device, characterized in that: include: Vacuum generator (51); A vacuum adsorption device (1), connected to the vacuum generator (51), for vacuum adsorption of the battery pack (9); A hoisting base plate (2) is provided on the top of the vacuum adsorption device (1); Handrails (6) are symmetrically arranged at both ends of the hoisting base plate (2); an anti-drop device (7) symmetrically arranged on both sides of the hoisting base plate (2) and used for the vacuum adsorption device (1) to adsorb the battery pack (9) and to be stuck on both sides of the battery pack (9); and A lifting ring device (4) is arranged above the lifting base plate (2).

2. A battery pack hoisting device according to claim 1, characterized in that: The vacuum adsorption device (1) comprises: A vacuum suction plate (11) is provided with a plurality of vacuum suction holes (111); A vacuum bottom plate (12) is provided on the vacuum suction plate (11) and is provided with a plurality of ventilation paths communicating with the vacuum suction holes (111); and A plurality of vacuum seats (13) are arranged on the vacuum bottom plate (12), communicated with the ventilation air path, and connected to the vacuum generator (51).

3. The battery pack hoisting device according to claim 1, characterized in that: The anti-drop device (7) comprises: Anti-drop bases (75) are provided at both ends of the hoisting base plate (2); An anti-drop connecting rod (71), one end of which is rotatably mounted on the anti-drop base (75) and provided with an anti-drop positioning hole (711); An anti-drop bottom plate (73) is provided at the other end of the anti-drop connecting rod (71); A feeding rotary plunger (79) is provided at one end of the anti-drop base (75) and is arranged opposite to the anti-drop positioning hole (711) so as to position the anti-drop bottom plate (73) on both sides of the anti-drop base (75); and An anti-drop rotary plunger (77) is provided at the other end of the anti-drop base (75) and is arranged opposite to the anti-drop positioning hole (711) to enable the anti-drop bottom plate (73) to be located below the battery pack (9).

4. A battery pack hoisting device according to claim 3, characterized in that: Also includes: A handle (72) is provided on the anti-drop connecting rod (71).

5. The battery pack hoisting device according to claim 3, characterized in that: Also includes: The two ends of the auxiliary tension spring (78) are respectively connected to the anti-drop base (75) and the anti-drop connecting rod (71).

6. The battery pack hoisting device according to claim 3, characterized in that: Also includes: A backing plate (74) is provided on the anti-fall bottom plate (73).

7. A battery pack hoisting device according to any one of claims 1 to 6, characterized in that: Also includes: A reinforcement frame (3) is provided on the hoisting base plate (2) and is connected to the hoisting ring device (4).

8. The battery pack hoisting device according to claim 7, characterized in that: The reinforcement frame (3) comprises: Two crossbeams (31) are symmetrically provided; An intermediate longitudinal beam (32) is provided between the two transverse beams (31); End longitudinal beams (33) are provided at both ends of the cross beam (31); Reinforced corner pieces (34) are provided between the cross beam (31) and the intermediate longitudinal beam (32) and between the cross beam (31) and the end longitudinal beam (33); L-shaped angle plates (35) are provided on the cross beam (31) and the middle longitudinal beam (32); and A connecting bottom plate (36) is provided at both ends of the end longitudinal beam (33) and is connected to the lifting ring device (4); The cross beam (31), the middle longitudinal beam (32) and the end longitudinal beam (33) are all connected to the hoisting bottom plate (2).

9. The battery pack hoisting device according to claim 8, characterized in that: Also includes: The reinforcing connecting plate (37) is connected to the end longitudinal beam (33) and the connecting bottom plate (36) respectively.

10. A battery pack hoisting device according to any one of claims 1 to 6, characterized in that: The lifting ring device (4) comprises: Lifting the top plate (41); A first lifting ring (42) is provided at the center of the lifting top plate (41); Four second lifting rings (45) are provided at the bottom of the lifting base plate (2) and located at the four corners of the lifting base plate (2); Four third lifting rings (44) are provided on the lifting base plate (2) and correspond one-to-one with the second lifting rings (45); and The two ends of the lifting connecting rod (43) are respectively connected to the second lifting ring (45) and the third lifting ring (44).

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