A mounting device for hoisting a battery pack of a passenger car

Abstract

The utility model relates to a passenger car accessory technical field especially relates to a kind of installation device for passenger car battery pack hoisting, including hoisting crossbeam, stringer, drive cylinder, vertical rod and backing plate, the two ends of the two stringers being set along the longitudinal direction are fixed in the bottom of the two hoisting crossbeams being set along the transverse direction by transverse displacement mechanism, the top two sides of the stringer are equipped with two drive cylinders, the output end of the piston rod of the drive cylinder is connected with the top end of the vertical rod, the inner wall bottom of the vertical rod is equipped with the backing plate being perpendicular to it, four backing plates can hoist the bottom two sides of battery pack. The utility model can realize the hoisting of different width battery pack by the piston rod telescoping of drive cylinder driving vertical rod and backing plate along longitudinal motion;By transverse displacement mechanism driving stringer along transverse movement, backing plate can be driven to fine adjustment along transverse, so that backing plate can be matched with the hoisting groove of the bottom two sides of battery pack and is inserted.

Description

Technical Field

[0001] This utility model relates to the field of bus parts technology, and in particular to an installation device for hoisting bus battery packs. Background Technology

[0002] A battery pack is an energy storage device composed of multiple battery cells connected in series and parallel, and integrating key components such as a battery management system (BMS) and a thermal management system. Battery packs vary in size depending on the bus model or installation location, and fixed hoisting equipment has poor adaptability. During hoisting, it is difficult to make precise lateral and longitudinal adjustments to the battery pack's position, leading to misalignment with the mounting interface at the bottom of the bus.

[0003] Based on the above problems, this utility model proposes an installation device for hoisting bus battery packs. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an installation device for hoisting bus battery packs. By extending and retracting the piston rod of the drive cylinder, the vertical rod and the support plate move longitudinally, which can extend the distance between the support plates to be greater than the width of the battery pack. Then, the lifting mechanism lowers the support plate to the bottom of the battery pack, and the piston rod retracts to support the battery pack. At the same time, it can also hoist battery packs of different widths. By using a lateral displacement mechanism to drive the longitudinal beam to move laterally, the support plate can be finely adjusted laterally so that the support plate can be matched and inserted into the hoisting slots on both sides of the bottom of the battery pack.

[0005] To achieve the purpose of this utility model, the technical solution adopted by this utility model is as follows: This utility model discloses an installation device for hoisting a bus battery pack, including a hoisting crossbeam, longitudinal beams, drive cylinders, vertical rods, and support plates. The two ends of the two longitudinal beams are fixed to the bottom of the two transversely arranged hoisting crossbeams by a transverse displacement mechanism. Two drive cylinders are provided on both sides of the top of the longitudinal beams. The output end of the piston rod of the drive cylinder is connected to the top of the vertical rod. The bottom of the inner wall of the vertical rod is provided with a support plate perpendicular to it. The four support plates can hoist the bottom sides of the battery pack.

[0006] The top of the vertical rod is connected to the piston rod of the driving cylinder through a connecting mechanism. The connecting mechanism comprises a fixed block, side plates, a longitudinal sliding block, a longitudinal sliding rail, a rotating shaft and a collar. The fixed block is arranged at the top of the vertical rod, the longitudinal sliding block is fixed to the top of the fixed block, and the longitudinal sliding rails that slide in cooperation with the longitudinal sliding block are arranged on both sides of the bottom of the longitudinal beam; both sides of the fixed block are connected to the bottoms of the side plates, the top of the side plates are located above the longitudinal beam, the rotating shaft is arranged between the top of the inner walls of the side plates, the collar is sleeved on the middle part of the outer wall of the rotating shaft, and the collar is connected to the end of the piston rod of the driving cylinder.

[0007] Two hinged blocks are arranged at the inner end of the driving cylinder, a convex-shaped hinged seat is arranged at the top of the longitudinal beam, and the top of the hinged seat is hinged to the hinged blocks through a pin shaft.

[0008] The side plates are of right triangle structure, the hypotenuse of each side plate is located on the outer side of the side plate, the short right-angle side of the side plate is connected to the side wall of the fixed block, and a hollow hole is arranged in the middle of the side plate.

[0009] The transverse displacement mechanism comprises a transverse fixed block, a transverse sliding rail, a screw rod, an intermediate rod and side blocks. The transverse fixed blocks are arranged on both sides of the bottom of the hoisting crossbeam, a square tube is connected to the outer wall of the end of the longitudinal beam, the transversely arranged transverse sliding rail is arranged on the top of the square tube and the longitudinal beam, and the transverse sliding rail slides in cooperation with the transverse fixed block; the longitudinal beam is of a square tubular structure, the side blocks are arranged on the inner wall of the end of the longitudinal beam, left-hand threads and right-hand threads are respectively arranged on the outer walls of the left screw rod and the right screw rod, a threaded hole for matching with the external thread of the screw rod is arranged in the middle of the side wall of each side block, a through hole coaxial and equal in diameter with the threaded hole is arranged on the inner wall of the end of the longitudinal beam, the screw rods on both sides are connected through the intermediate rod, and a rotating mechanism for driving the intermediate rod to rotate is arranged in the middle of the intermediate rod.

[0010] The rotating mechanism comprises a driving motor, a driving gear, a driven gear and limiting rings. The driving motor is fixed to the middle of the lower surface of the hoisting crossbeam, the output end of the driving motor is axially connected to the driving gear, the driven gear is axially fixed to the middle of the intermediate rod, the driven gear is in meshing matching with the driving gear, the limiting rings are arranged on both sides of the driven gear, and the limiting rings are axially fixed to the outer wall of the intermediate rod.

[0011] V-shaped grooves are arranged in the middle of the outer walls on both sides of the transverse sliding rail and the longitudinal sliding rail, splayed convex blocks are arranged on the upper part of the outer wall of the transverse fixed block and the lower part of the outer wall of the longitudinal sliding block, and sliding grooves matching the cross-sectional shapes of the transverse sliding rail and the longitudinal sliding rail are respectively arranged in the middle of the bottom of the transverse fixed block and the middle of the top of the longitudinal sliding block.

[0012] The beneficial effects of this utility model are as follows: (1) This utility model drives the piston rod of the driving cylinder to extend and retract, thereby driving the vertical rod and the support plate to move longitudinally. This can extend the distance between the support plates to be greater than the width of the battery pack. Then, the support plate is lowered to the bottom of the battery pack by the lifting mechanism. The piston rod retracts to support the battery pack. At the same time, it can also realize the hoisting of battery packs of different widths. The longitudinal beam is driven to move laterally by the lateral displacement mechanism, which can drive the support plate to be finely adjusted laterally so that the support plate can be matched and inserted with the hoisting slots on both sides of the bottom of the battery pack. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 A magnified view of a portion of the image; Figure 3 This is the front view of the present invention; Figure 4 This is the left view of the present invention; Figure 5 for Figure 4 A magnified view of a portion of the image.

[0014] In the attached diagram, 1 is the lifting beam, 2 is the longitudinal beam, 3 is the drive cylinder, 4 is the vertical rod, 5 is the support plate, 6 is the lateral displacement mechanism, 7 is the piston rod, 8 is the connecting mechanism, 9 is the rotating mechanism, 10 is the groove, 11 is the protrusion, 12 is the slide groove, 31 is the hinge block, 32 is the hinge seat, 33 is the pin, 61 is the lateral fixing block, 62 is the lateral slide rail, 64 is the lead screw, 65 is the intermediate rod, 66 is the side block, 67 is the square tube, 68 is the threaded hole, 81 is the fixing block, 82 is the side plate, 83 is the longitudinal slider, 84 is the longitudinal slide rail, 85 is the rotating shaft, 86 is the collar, 91 is the drive motor, 92 is the drive gear, 93 is the driven gear, and 94 is the limit ring. Detailed Implementation

[0015] The present invention will be further described below: Please see Figure 1-5 , The utility model discloses an installation device for hoisting a passenger car battery pack, comprising hoisting cross beams 1, longitudinal beams 2, driving cylinders 3, vertical rods 4 and support plates 5. Two ends of the two longitudinally arranged longitudinal beams 2 are fixed at the bottoms of the two transversely arranged hoisting cross beams 1 through a transverse displacement mechanism 6. Two driving cylinders 3 are arranged on both sides of the top of the longitudinal beam 2, the output end of a piston rod 7 of the driving cylinder 3 is connected with the top end of the vertical rod 4, the support plate 5 perpendicular to the vertical rod 4 is arranged at the bottom of the inner wall of the vertical rod 4, and four support plates 5 can be matched and inserted with hoisting grooves on both sides of the bottom of the battery pack. According to the utility model, the piston rods 7 of the driving cylinders 3 expand and contract to drive the vertical rods 4 and the support plates 5 to move longitudinally, so that the distance between the support plates 5 can be extended to be greater than the width of the battery pack, then the support plates 5 are lowered to the bottom of the battery pack through a lifting mechanism, and the piston rods 7 contract to support the battery pack. Meanwhile, hoisting of battery packs with different widths can also be realized. The transverse displacement mechanism 6 drives the longitudinal beams 2 to move transversely, so that the support plates 5 can be driven to perform fine adjustment transversely, enabling the support plates 5 to be matched and inserted with the hoisting grooves on both sides of the bottom of the battery pack. In the utility model, the hoisting cross beams are driven by a lifting device in a workshop to move in the vertical direction, and the lifting device can be a combination of a gantry and an electric hoist, etc.

[0016] Further, the top of the vertical rod 4 is connected with the piston rod 7 of the driving cylinder 3 through a connecting mechanism 8. The connecting mechanism 8 comprises a fixing block 81, side plates 82, a longitudinal sliding block 83, a longitudinal sliding rail 84, a rotating shaft 85 and a sleeve ring 86. The fixing block 81 is arranged at the top of the vertical rod 4, the longitudinal sliding block 83 is fixed at the top of the fixing block 81, and the longitudinal sliding rail 84 that is matched with the longitudinal sliding block 83 for sliding is arranged on both sides of the bottom of the longitudinal beam 2. Two sides of the fixing block 81 are connected with the bottom of the side plates 82, the top of the side plates 82 is located above the longitudinal beam 2, the rotating shaft 85 is arranged between the top of the inner walls of the side plates 82, the sleeve ring 86 is sleeved on the middle part of the outer wall of the rotating shaft 85, and the sleeve ring 86 is connected with the end of the piston rod 7 of the driving cylinder 3. Through the matching sliding of the longitudinal sliding rail 84 and the longitudinal sliding block 83, the piston rod 7 of the driving cylinder 3 can drive the support plates 5 to move more stably, and the connection strength of the vertical rods 4 is improved.

[0017] Further, two hinge blocks 31 are arranged at the inner end of the driving cylinder 3, a convex-shaped hinge seat 32 is arranged at the top of the longitudinal beam 2, and the top of the hinge seat 32 is hinged with the hinge blocks 31 through a pin shaft 33.

[0018] Furthermore, the side plate 82 has a right-angled triangular structure, with its hypotenuse located on the outside of the side plate 82. The short right-angled side of the side plate 82 is connected to the side wall of the fixing block 81, which conforms to the stress conditions. The side plate 82 has a hollow hole in the middle, which can reduce weight and save materials without affecting the connection strength.

[0019] Furthermore, the lateral displacement mechanism 6 includes a lateral fixing block 61, a lateral slide rail 62, a lead screw 64, a middle rod 65, and a side block 66. The lateral fixing blocks 61 are provided on both sides of the bottom of the hoisting beam 1. A square tube 67 is connected to the outer wall of the end of the longitudinal beam 2. The square tube 67 and the top of the longitudinal beam 2 are provided with the lateral slide rail 62 arranged laterally. The lateral slide rail 62 slides in cooperation with the lateral fixing block 61. The longitudinal beam 2 has a square tubular structure, and the side block is provided on the inner wall of its end. 66. The outer walls of the left and right lead screws 64 are respectively provided with left-hand and right-hand helical threads. The side block 66 has a threaded hole 68 in the middle of its side wall for matching the external thread of the lead screw 64. The inner wall of the end of the longitudinal beam 2 has a through hole coaxial with the threaded hole 68 and of the same diameter. The two lead screws 64 are connected by the intermediate rod 65. The intermediate rod 65 has a rotating mechanism 9 in the middle to drive its rotation. The two lead screws 64, one end with a left-hand thread and the other end with a right-hand thread, are connected by the intermediate rod 65 and driven to rotate by the rotating mechanism 9, which can synchronously drive the two longitudinal beams 2 to move towards or away from each other. This design ensures that the two lifting points always move symmetrically about the center line, thereby quickly and accurately adjusting the lateral installation position of the battery pack to accurately align it with the installation point at the bottom of the bus.

[0020] Furthermore, the rotating mechanism 9 includes a drive motor 91, a drive gear 92, a driven gear 93, and a limiting ring 94. The drive motor 91 is fixed to the middle of the lower surface of the hoisting beam 1, and its output end is axially connected to the drive gear 92. The driven gear 93 is axially fixed to the middle of the intermediate rod 65, and the driven gear 93 meshes with the drive gear 92. The limiting ring 94 is provided on both sides of the driven gear 93, and the limiting ring 94 is axially fixed to the outer wall of the intermediate rod 65. The drive motor 91 drives the drive gear 92, the driven gear 93, and the intermediate rod 65 to rotate in sequence, thereby realizing the transmission function of the rotating mechanism 9. By providing the limiting ring 94 on both sides of the driven gear 93, it is ensured that the intermediate rod 65 and the lead screw 64 will not undergo axial displacement, and that the lead screw 64 can drive the longitudinal beam 2 to move in opposite directions or in opposite directions.

[0021] Furthermore, the outer walls of the transverse slide rail 62 and the longitudinal slide rail 84 are provided with V-shaped grooves 10 in the middle. The outer wall of the transverse fixing block 61 and the outer wall of the longitudinal slider 83 are provided with V-shaped protrusions 11. The bottom middle of the transverse fixing block 61 and the top middle of the longitudinal slider 83 are respectively provided with grooves 12 that match the cross-sectional shape of the transverse slide rail 62 and the longitudinal slide rail 84, ensuring that the transverse slide rail 62 and the longitudinal slide rail 84 can slide stably along the grooves 12 of the transverse fixing block 61 and the longitudinal slider 83, and can be stably connected.

[0022] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An installation device for hoisting bus battery packs, characterized in that: comprises a hoisting cross beam (1), longitudinal beams (2), a driving cylinder (3), vertical rods (4) and supporting plates (5), two ends of the two longitudinally arranged longitudinal beams (2) are fixed to the bottoms of two transversely arranged hoisting cross beams (1) through transverse displacement mechanisms (6); two driving cylinders (3) are arranged on both sides of the top of the longitudinal beam (2), an output end of a piston rod (7) of the driving cylinder (3) is connected with a top end of the vertical rod (4), the supporting plate (5) perpendicular to the inner wall of the vertical rod (4) is arranged at the bottom of the inner wall of the vertical rod (4), and the four supporting plates (5) can be fittingly inserted into hoisting grooves on both sides of the bottom of a battery pack.

2. The installation device for hoisting a bus battery pack according to claim 1, characterized in that: the top of the vertical rod (4) is connected with the piston rod (7) of the driving cylinder (3) through a connecting mechanism (8), the connecting mechanism (8) comprises a fixed block (81), side plates (82), a longitudinal sliding block (83), a longitudinal sliding rail (84), a rotating shaft (85) and a collar (86), the fixed block (81) is arranged at the top of the vertical rod (4), the longitudinal sliding block (83) is fixed to the top of the fixed block (81), and the longitudinal sliding rails (84) which are in sliding fit with the longitudinal sliding block (83) are arranged on both sides of the bottom of the longitudinal beam (2); two sides of the fixed block (81) are connected with bottoms of the side plates (82), top ends of the side plates (82) are located above the longitudinal beam (2), the rotating shaft (85) is arranged between top parts of inner walls of the side plates (82), the collar (86) is sleeved on a middle part of an outer wall of the rotating shaft (85), and the collar (86) is connected with an end part of the piston rod (7) of the driving cylinder (3).

3. The installation device for hoisting a bus battery pack according to claim 2, characterized in that: two hinge blocks (31) are arranged at an inner end of the driving cylinder (3), a convex-shaped hinge seat (32) is arranged at the top of the longitudinal beam (2), and a top part of the hinge seat (32) is hinged with the hinge blocks (31) through a pin shaft (33).

4. The installation device for hoisting a bus battery pack according to claim 3, characterized in that: the side plates (82) are of right-angled triangular structure, hypotenuses of the side plates are located at outer sides of the side plates (82), a short right-angled side of the side plate (82) is connected with a side wall of the fixed block (81), and a hollow hole is formed in a middle part of the side plate (82).

5. The installation device for hoisting a bus battery pack according to claim 4, characterized in that: The lateral displacement mechanism (6) includes a lateral fixing block (61), a lateral slide rail (62), a lead screw (64), a middle rod (65), and a side block (66). The lateral fixing blocks (61) are provided on both sides of the bottom of the hoisting beam (1). A square tube (67) is connected to the outer wall of the end of the longitudinal beam (2). The lateral slide rail (62) is provided on the top of the square tube (67) and the longitudinal beam (2) along the lateral direction. The lateral slide rail (62) slides in cooperation with the lateral fixing block (61). The longitudinal beam (2) is in the shape of a square tube. The structure has a side block (66) on the inner wall of its end, and the outer walls of the left lead screw (64) and the right lead screw (64) are respectively provided with left spiral threads and right spiral threads. The middle part of the side wall of the side block (66) is provided with a threaded hole (68) for matching the external thread of the lead screw (64). The inner wall of the end of the longitudinal beam (2) is provided with a through hole coaxial with the threaded hole (68) and of the same diameter. The lead screws (64) on both sides are connected by the intermediate rod (65). The middle part of the intermediate rod (65) is provided with a rotating mechanism (9) for driving its rotation.

6. The installation device for hoisting a bus battery pack according to claim 5, characterized in that: The rotating mechanism (9) includes a drive motor (91), a drive gear (92), a driven gear (93), and a limiting ring (94). The drive motor (91) is fixed to the middle of the lower surface of the hoisting beam (1), and its output end is axially connected to the drive gear (92). The driven gear (93) is axially fixed to the middle of the intermediate rod (65). The driven gear (93) meshes with the drive gear (92). The limiting ring (94) is provided on both sides of the driven gear (93). The limiting ring (94) is axially fixed to the outer wall of the intermediate rod (65).

7. The installation device for hoisting a bus battery pack according to claim 6, characterized in that: The outer walls of the transverse slide rail (62) and the longitudinal slide rail (84) are provided with a "V"-shaped groove (10). The outer wall of the transverse fixing block (61) is provided with a "V"-shaped protrusion (11) above the outer wall and the outer wall of the longitudinal slider (83) below the outer wall. The bottom middle of the transverse fixing block (61) and the top middle of the longitudinal slider (83) are respectively provided with a groove (12) that matches the cross-sectional shape of the transverse slide rail (62) and the longitudinal slide rail (84).

Images