Primary-secondary battery replacing robot for new energy vehicle

Abstract

The utility model discloses a child-mother battery replacing robot for a new energy vehicle. The child-mother battery replacing robot comprises a lifting appliance, a mother battery replacing robot for driving the lifting appliance to move along the X direction, a child battery replacing robot for driving the lifting appliance to move along the Y direction, a lifting driving mechanism for driving the lifting appliance to lift up and down, and a transverse fine adjustment mechanism, the transverse fine adjustment mechanism comprises a mounting base, a fine adjustment lead screw and a fine adjustment driving motor, the fine adjustment driving motor is fixed to a fixing plate, the fixing plate is fixed to the Y-direction moving frame, an output shaft of the fine adjustment driving motor is connected with the fine adjustment lead screw, the fine adjustment lead screw is in threaded connection with a connecting block, and the connecting block is connected with the mounting base. According to the utility model, the conveying of the battery pack in the X direction, the Y direction and the height direction is realized, the transverse fine adjustment is carried out, the automation degree is high, and the battery replacement cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vehicle battery swap technical field, especially be related to a new energy vehicle child parent battery swap robot. BACKGROUND

[0002] With the increase of the number of cars, the pollution of oil fuel combustion of internal combustion engine cars to the atmospheric environment is more and more serious, and the gradual depletion of the required oil resources is also an inevitable trend. Therefore, in order to alleviate the shortage of oil resources, ensure national energy security and maintain sustainable economic development, electric vehicles have become a hot topic at home and abroad;

[0003] The development of electric vehicles is a good technical route to cope with energy and environmental pressure and promote the upgrading of the automobile industry. However, the imperfect infrastructure such as charging stations hinders the industrialization of electric vehicles. The top hoist type battery swap or fork is used in the battery swap process. The previous top hoist type battery swap device can only transport the battery pack in a single direction, and if the fork is used, the labor and operating costs are increased to some extent. UTILITARIAN CONTENT

[0004] The utility model mainly solves the technical problem to provide a new energy vehicle child parent battery swap robot, realizes the transportation of the battery pack in X direction, Y direction and height direction, and carries out the lateral fine adjustment, and the degree of automation is high, and the cost of battery swap is greatly reduced.

[0005] To solve the above technical problems, one technical scheme of the utility model is adopted: a new energy vehicle child parent battery swap robot, including a lifting appliance, a parent battery swap robot for driving the lifting appliance to move along the X direction, a child battery swap robot for driving the lifting appliance to move along the Y direction, a lifting drive mechanism for driving the lifting appliance to move up and down, and a lateral fine adjustment mechanism, adopting the design of child parent double robot, thereby realizing the transportation of the battery pack in X direction, Y direction and height direction, and the degree of automation is high, and the cost of battery swap is greatly reduced.

[0006] The parent battery swap robot comprises an X-direction moving frame, a gear and an X-direction drive motor, the X-direction drive motor is fixed to the X-direction moving frame, and the output shaft of the X-direction drive motor is connected with the gear, and the gear is engaged with the rack;

[0007] The child battery swap robot comprises a Y-direction moving frame, a Y-direction walking wheel and a Y-direction drive motor, the Y-direction drive motor is fixed to the Y-direction moving frame, and the output shaft of the Y-direction drive motor is connected with the Y-direction walking wheel, the Y-direction walking wheel is located above the Y-direction track and can roll along the direction of the Y-direction track, and the Y-direction track is installed on the X-direction moving frame;

[0008] The transverse fine adjustment mechanism comprises a mounting seat, a fine adjustment screw rod and a fine adjustment drive motor, the fine adjustment drive motor is fixed to a fixed plate, the fixed plate is fixed to a Y-direction moving frame, the output shaft of the fine adjustment drive motor is connected with the fine adjustment screw rod, the fine adjustment screw rod is threadedly connected with a connecting block, the connecting block is connected with the mounting seat, the fine adjustment of the lifting appliance in the transverse direction is realized, and the accuracy of the position of the battery pack packed into the new energy vehicle is ensured.

[0009] Further, the connecting block is extended to form a connecting portion, the mounting seat is provided with a connecting hole, and the connecting portion is inserted into the connecting hole.

[0010] Further, the Y-direction moving frame is provided with a guide rail arranged along the X direction, and the mounting seat is provided with a guide structure matched with the guide rail.

[0011] Further, the X-direction moving frame is provided with an X-direction walking wheel.

[0012] Further, the lifting drive mechanism comprises a plurality of pulley assemblies, a steel wire rope wound around the pulley assemblies, a winding drum and a lifting drive motor, the pulley assembly comprises a fixed pulley and two movable pulleys, the fixed pulley is mounted on the mounting seat, and the two movable pulleys are mounted on the lifting appliance, the steel wire rope is wound around the fixed pulley, and the two ends of the steel wire rope pass through the two movable pulleys respectively, one end of the steel wire rope is fixed to the mounting seat, the other end of the steel wire rope is connected with the winding drum, the winding drum is connected with a transmission wheel assembly, the transmission wheel assembly is connected with the lifting drive motor, and the lifting drive motor is fixed to the mounting seat.

[0013] Further, the fixed pulley is mounted on a pulley mounting plate, and the pulley mounting plate is rotationally connected to the mounting seat.

[0014] Further, the surface of the winding drum is provided with a threaded groove matched with the steel wire rope, the winding drum is sleeved with a wire guide ring, the inner surface of the wire guide ring is provided with a threaded rib matched with the threaded groove, the wire guide ring has a wire passing groove, and the steel wire rope is wound around the threaded groove after passing through the wire passing groove.

[0015] Further, the mounting seat is provided with a limiting rod, and the wire guide ring is provided with a guide groove matched with the limiting rod.

[0016] Further, the lifting appliance is provided with a tensioning structure, the tensioning structure comprises a guide column, a tensioning spring and a sliding block, the upper end of the guide column is fixed with a limiting ring, the lower end of the guide column passes through the sliding block and is fixed to the lifting appliance, the tensioning spring is sleeved on the guide column, and the tensioning spring is located between the limiting ring and the sliding block, and the movable pulley is mounted on the sliding block, so that the steel wire rope is continuously tensioned, and the stability during the lifting process is ensured.

[0017] Further, the pulley sleeve is provided, the movable pulley is arranged in the interior of the pulley sleeve, the pulley sleeve is fixed to the sliding block, the pulley sleeve is provided with a through hole, and the steel wire rope is wound around the movable pulley after passing through the through hole.

[0018] The utility model discloses at least have following several points of beneficial effect:

[0019] The utility model discloses a lifting appliance, a mother battery replacing robot that drives the lifting appliance to move along X, a child battery replacing robot that drives the lifting appliance to move along Y, a lifting drive mechanism that drives the lifting appliance to go up and down and a transverse fine adjustment mechanism, adopt the design of child and mother double robots to realize the conveying of battery pack in X direction, Y direction and height direction, and the automation degree is high, and the cost of battery replacement is greatly reduced, and it is worth integrating that the transverse fine adjustment mechanism includes mounting seat, fine adjustment screw rod and fine adjustment drive motor, the output shaft of fine adjustment drive motor is connected with fine adjustment screw rod, fine adjustment screw rod is connected with connecting block with the threaded connection, and connecting block is connected with mounting seat, so that the lifting appliance is fine adjusted in X direction, and the accuracy of the position of battery pack packed into new energy vehicle is guaranteed.

[0020] The utility model discloses the surface of reel is equipped with the thread groove that matches with steel wire rope, and the reel is covered with the guide ring, the inner surface of guide ring is equipped with the screw thread muscle that matches with thread groove, and guide ring has the rope through groove, and steel wire rope is wound in thread groove after passing through the rope through groove, and the reel is driven to rotate by lifting drive motor, and in the process that the reel drives steel wire rope to be rolled up, guide ring is connected with the reel in screw thread again because of the location of limit rod, makes the rotation between guide ring and reel, and through the setting of guide ring, makes steel wire rope stably roll up in the thread groove of reel.

[0021] The utility model discloses the tensioning structure includes guide post, tensioning spring and sliding block, and the upper end of guide post is fixed with the limit ring, and the lower end of guide post passes through sliding block and is fixed with lifting appliance, and tensioning spring is covered on guide post, and tensioning spring is located between limit ring and sliding block, and movable pulley is installed on sliding block, and through the setting of tensioning structure, continuously tensioning steel wire rope, guaranteeing the stability in the process of lifting. ACCURACY

[0022] Figure 1 It is the structure schematic diagram of the utility model;

[0023] Figure 2 It is the structure schematic diagram of the utility model; Figure 1 It is the close -up drawing of A place of the utility model;

[0024] Figure 3 It is the close -up drawing of B place of the utility model; Figure 1 It is the close -up drawing of B place of the utility model;

[0025] Figure 4This is a structural schematic diagram of the sub-battery swapping robot and the lateral fine-tuning mechanism of this utility model;

[0026] Figure 5 This is the utility model Figure 4 A magnified view of point C;

[0027] Figure 6 This is a cross-sectional view of the battery swapping robot and the lateral fine-tuning mechanism of this utility model;

[0028] Figure 7 This is the utility model Figure 6 Enlarged view of point D;

[0029] Figure 8 This is a structural schematic diagram of the lifting device and lifting drive mechanism of this utility model;

[0030] Figure 9 This is the utility model Figure 8 A magnified view of point E;

[0031] Figure 10 This is the utility model Figure 8 A magnified view of point G;

[0032] Figure 11 This is a structural schematic diagram of the lifting drive mechanism of this utility model;

[0033] Figure 12 This is the utility model Figure 11 A magnified view of point F;

[0034] Figure 13 This is a schematic diagram of the structure of the roll of this utility model;

[0035] Figure 14 This is a schematic diagram of the guide rope ring of this utility model;

[0036] Figure 15 This is a schematic diagram of the battery pack structure of this utility model;

[0037] The parts in the attached diagram are labeled as follows:

[0038] 1. Lifting device; 11. Guide column; 111. Limit ring; 12. Tension spring; 13. Sliding block; 14. Spacer; 15. Spring washer; 16. Pulley sleeve; 161. Through hole; 21. X-axis moving frame; 22. Gear; 23. X-axis drive motor; 24. Rack; 25. X-axis traveling wheel; 31. Y-axis moving frame; 311. Guide rail; 32. Y-axis traveling wheel; 33. Y-axis drive motor; 34. Y-axis track; 41. Mounting base; 411. Connecting hole; 412. 42. Guide structure; 43. Fine-tuning screw; 44. Fine-tuning drive motor; 45. Fixing plate; 46. Connecting block; 47. Connecting part; 58. Wire rope; 59. Drum; 50. Threaded groove; 51. Lifting drive motor; 52. Fixed pulley; 53. Pulley mounting plate; 54. Moving pulley; 55. Transmission wheel assembly; 56. Rope guide ring; 57. Threaded rib; 58. Rope threading groove; 59. Guide groove; 50. Limiting rod; 61. Tongue plate; 72. Battery pack; 73. Slot. Detailed Implementation

[0039] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0040] Example: A mother-and-child battery swapping robot for new energy vehicles, such as Figure 1 As shown, it includes a lifting device 1, a mother battery swapping robot that drives the lifting device 1 to move along the X direction, a daughter battery swapping robot that drives the lifting device 1 to move along the Y direction, a lifting drive mechanism that drives the lifting device 1 to move up and down, and a lateral fine-tuning mechanism.

[0041] In practice, the lifting device is used to grab the battery pack;

[0042] The mother battery swapping robot includes an X-axis moving frame 21, a gear 22, and an X-axis drive motor 23. The X-axis drive motor 23 is fixed to the X-axis moving frame 21, and the output shaft of the X-axis drive motor 23 is connected to the gear 22. Figure 2 As shown, the gear 22 meshes with the rack 24;

[0043] In this embodiment, the rack is fixed to the battery swapping station;

[0044] like Figure 4 As shown, the sub-battery swapping robot includes a Y-axis moving frame 31, Y-axis walking wheels 32, and a Y-axis drive motor 33. The Y-axis drive motor 33 is fixed to the Y-axis moving frame 31, and the output shaft of the Y-axis drive motor 33 is connected to the Y-axis walking wheels 32. Figure 3As shown, the Y-direction walking wheel 32 is above the Y-direction rail 34 and can roll along the direction of the Y-direction rail 34, the Y-direction rail 34 is installed on the X-direction moving frame 21; in this embodiment, the Y-direction walking wheel is connected with the Y-direction driving motor through a steering gear;

[0045] As shown in Figure 4 , Figure 6 , the lateral fine adjustment mechanism includes a mounting seat 41, a fine adjustment screw rod 42 and a fine adjustment driving motor 43, the fine adjustment driving motor 43 is fixed on a fixed plate 44, the fixed plate 44 is fixed on the Y-direction moving frame 31, the output shaft of the fine adjustment driving motor 43 is connected with the fine adjustment screw rod 42, the fine adjustment screw rod 42 is threadedly connected with a connecting block 45, the connecting block 45 is connected with the mounting seat 41.

[0046] The connecting block 45 is extended to form a connecting part 451, the mounting seat 41 is provided with a connecting hole 411, and the connecting part 451 is inserted into the connecting hole.

[0047] As shown in Figure 7 , the Y-direction moving frame 31 is provided with a guide rail 311 arranged along the X-direction, and the mounting seat 41 is provided with a guide structure 412 matched with the guide rail 311.

[0048] The X-direction moving frame 21 is installed with an X-direction walking wheel 25. In this embodiment, the battery swap station is installed with an X-direction guide rail, and the X-direction walking wheel rolls along the X-direction rail.

[0049] As shown in Figure 8 and Figure 9 , the lifting driving mechanism includes a plurality of pulley assemblies, a steel wire rope 51 wound on the pulley assemblies, a winding drum 52 and a lifting driving motor 53, the pulley assembly includes a fixed pulley 54 and two movable pulleys 55, the fixed pulley 54 is installed on the mounting seat 41, and the two movable pulleys 55 are installed on the lifting appliance 1, the steel wire rope 51 is wound around the fixed pulley 54, and the two ends of the steel wire rope 51 pass through the two movable pulleys 55 respectively, one end of the steel wire rope 51 is fixed with the mounting seat 41, the other end of the steel wire rope 51 is connected with the winding drum 52, the winding drum 52 is connected with a transmission wheel assembly 56, the transmission wheel assembly 56 is connected with the lifting driving motor 53, and the lifting driving motor 53 is fixed on the mounting seat 41. In this embodiment, the transmission wheel assembly includes a driving wheel and a driven wheel, the driving wheel is fixed on the output shaft of the lifting driving motor, the driving wheel and the driven wheel are engaged, and the driven wheel is fixed on the winding drum.

[0050] The fixed pulley 54 is installed on a pulley mounting plate 541, and the pulley mounting plate 541 is rotationally connected to the mounting seat 41.

[0051] As shown in Figure 13As shown, the surface of the winding drum 52 is provided with a threaded groove 521 matched with the steel wire rope 51, and Figure 5 As shown, the winding drum 52 is sleeved with a rope guide ring 57, and Figure 14 As shown, the inner surface of the rope guide ring 57 is provided with a threaded rib 571 matched with the threaded groove 521, and the rope guide ring 57 has a rope passing groove 572, and the steel wire rope 51 is wound on the threaded groove 521 after passing through the rope passing groove 572.

[0052] The mounting seat 41 is mounted with a limiting rod 58, and the rope guide ring 57 is provided with a guide groove 573 matched with the limiting rod 58.

[0053] As shown in Figure 11 and Figure 12 As shown, the lifting appliance 1 is mounted with a tensioning structure, the tensioning structure comprises a guide column 11, a tensioning spring 12 and a sliding block 13, the upper end of the guide column 11 is fixed with a limiting ring 111, the lower end of the guide column 11 passes through the sliding block 13 and is fixed with the lifting appliance 1, the tensioning spring 12 is sleeved on the guide column 11, and the tensioning spring 12 is located between the limiting ring 111 and the sliding block 13, and the movable pulley 55 is mounted on the sliding block 13.

[0054] In the embodiment, the tensioning spring is sleeved on a spacer sleeve 14, the spacer sleeve is sleeved on the guide column, and the upper and lower parts of the tensioning spring are both provided with spring washers 15, and the spring washers are sleeved on the guide column.

[0055] Further comprising a pulley sleeve 16, the movable pulley 55 is mounted in the inside of the pulley sleeve 16, the pulley sleeve 16 is fixed on the sliding block 13, the pulley sleeve 16 is provided with a through hole 161, the steel wire rope 51 passes through the through hole 161 and is wound on the movable pulley 55, so as to prevent the steel wire rope from being separated from the movable pulley.

[0056] In the embodiment, the lifting appliance is mounted with a locking mechanism for grabbing the battery pack, as shown in Figure 10 , Figure 15 As shown, the locking mechanism comprises a tongue plate 61 and a locking driving mechanism for driving the tongue plate to rotate and be clamped into a clamping groove 71 of the battery pack 7, and the locking mechanism is a motor, but is not limited thereto, and can also be a pneumatic cylinder, a push rod or the like.

[0057] The working principle of the utility model is as follows: the X-direction driving motor drives the gear to rotate, so that the X-direction moving frame moves along the direction of the rack, the Y-direction driving motor drives the Y-direction walking wheel to rotate, so that the Y-direction moving frame moves along the direction of the Y-direction track, after the lifting appliance grabs the battery pack, the lifting driving motor drives the winding drum to rotate, the steel wire rope is wound on the winding drum, the lifting appliance rises, then the lifting appliance moves to the upper side of the new energy vehicle, and the lifting appliance is finely adjusted in the X-direction through the fine adjustment driving mechanism, so as to ensure the accuracy of the position of the battery pack being clamped into the new energy vehicle, the degree of automation is high, and the cost of battery replacement is greatly reduced.

[0058] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structural transformation or direct or indirect application in other related technical fields using the content of the present application specification and drawings is also included in the patent protection scope of the present application.

Claims

1. A new energy vehicle sub-machine robot, characterized in that: The crane (1) is driven by a mother battery replacing robot along X direction, a child battery replacing robot along Y direction, a lifting driving mechanism and a lateral fine adjustment mechanism. The mother battery replacing robot comprises an X direction moving frame (21), a gear (22) and an X direction driving motor (23), the X direction driving motor is fixed to the X direction moving frame, and the output shaft of the X direction driving motor is connected with the gear, the gear is engaged with a rack (24). The child battery replacing robot comprises a Y direction moving frame (31), a Y direction walking wheel (32) and a Y direction driving motor (33), the Y direction driving motor is fixed to the Y direction moving frame, and the output shaft of the Y direction driving motor is connected with the Y direction walking wheel, the Y direction walking wheel is above a Y direction track (34) and can roll along the direction of the Y direction track, and the Y direction track is installed on the X direction moving frame. The lateral fine adjustment mechanism comprises a mounting base (41), a fine adjustment screw rod (42) and a fine adjustment driving motor (43), the fine adjustment driving motor is fixed to a fixed plate (44), the fixed plate is fixed to the Y direction moving frame, the output shaft of the fine adjustment driving motor is connected with the fine adjustment screw rod, the fine adjustment screw rod is threadedly connected with a connecting block (45), and the connecting block is connected with the mounting base.

2. The new energy vehicle battery swapping robot according to claim 1, characterized in that: The connecting block extends to form a connecting part (451), the mounting base is provided with a connecting hole (411), and the connecting part is inserted into the connecting hole. 3.The new energy vehicle battery swapping robot according to claim 1, characterized in that: The Y direction moving frame is provided with a guide rail (311) arranged along X direction, and the mounting base is provided with a guide structure (412) matched with the guide rail.

4. The new energy vehicle battery swapping robot according to claim 1, characterized in that: The X direction moving frame is provided with an X direction walking wheel (25).

5. The new energy vehicle battery swapping robot according to claim 1, characterized in that: The lifting driving mechanism comprises a plurality of groups of pulley assemblies, a steel wire rope (51) wound on the pulley assemblies, a winding drum (52) and a lifting driving motor (53), each pulley assembly comprises a fixed pulley (54) and two movable pulleys (55), the fixed pulley is installed on the mounting base, the two movable pulleys are installed on the crane, the steel wire rope is wound around the fixed pulley and the two ends of the steel wire rope pass through the two movable pulleys respectively, one end of the steel wire rope is fixed to the mounting base, the other end of the steel wire rope is connected with the winding drum, the winding drum is connected with a transmission wheel assembly (56), the transmission wheel assembly is connected with the lifting driving motor, and the lifting driving motor is fixed to the mounting base. 6.The new energy vehicle battery swapping robot according to claim 5, characterized in that: The fixed pulley is installed on a pulley mounting plate (541), and the pulley mounting plate is rotationally connected to the mounting base. 7.The new energy vehicle battery swapping robot according to claim 5, characterized in that: The surface of the winding drum is provided with a threaded groove (521) matched with the steel wire rope, the winding drum is sleeved with a wire guide ring (57), the inner surface of the wire guide ring is provided with a threaded rib (571) matched with the threaded groove, the wire guide ring has a wire passing groove (572), and the steel wire rope is wound on the threaded groove after passing through the wire passing groove. 8.The new energy vehicle battery swapping robot according to claim 7, characterized in that: The mounting base is provided with a limiting rod (58), and the wire guide ring is provided with a guide groove (573) matched with the limiting rod. 9.The new energy vehicle battery swapping robot according to claim 5, characterized in that: The lifting appliance is provided with a tensioning structure, which comprises a guide column (11), a tensioning spring (12) and a sliding block (13), the upper end of the guide column is fixed with a limiting ring (111), the lower end of the guide column passes through the sliding block and is fixed with the lifting appliance, the tensioning spring is sleeved on the guide column and located between the limiting ring and the sliding block, and the movable pulley is installed on the sliding block. 10.The new energy vehicle battery swapping robot according to claim 9, characterized in that: Further, a pulley sleeve (16) is arranged, the movable pulley is installed in the interior of the pulley sleeve, the pulley sleeve is fixed on the sliding block, the pulley sleeve is provided with a through hole (161), and the steel wire rope is wound on the movable pulley after passing through the through hole.

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