Telescopic rotating platform for battery replacement

Abstract

The utility model discloses a battery changing telescopic rotating platform, which comprises a rotating seat, a moving seat, a first servo mechanism, a battery pack sucker and a second servo mechanism, the moving seat is connected to the upper side of the rotating seat in a front-back sliding manner, the upper side of the moving seat is rotatably connected with a plurality of rollers for supporting a battery pack, and the second servo mechanism is arranged on the rotating seat and is used for driving the moving seat. The first servo mechanism comprises a first motor, a belt and a belt wheel, the belt wheel supports the two ends of the belt and is rotationally connected to the upper side of the moving seat, one side of the belt is connected with the battery pack suction cup, and the first motor is arranged at the rear end of the moving seat and is in transmission connection with the belt wheel. According to the telescopic rotating platform for battery replacement, the droop amount of the front end of the movable seat is reduced, and a battery pack can enter a battery bin more smoothly.

Description

TECHNICAL FIELD

[0001] The utility model relates to heavy truck battery replacement technical field especially relates to a battery replacement telescopic rotary platform. BACKGROUND

[0002] The existing battery replacement heavy truck battery replacement principle as Figure 5 The battery replacement heavy truck is installed charging frame 91 on the side, and the battery compartment for accommodating the battery pack 92 is formed in the charging frame 91, and the compartment opening of the battery compartment faces the replacement device, and the battery replacement device includes a battery replacement platform, and the battery replacement platform includes a rotating seat 93, a first moving seat 94, a second moving seat 95 and a battery gripper 96, the first moving seat 94 is slidably connected to the upper side of the rotating seat 93, the second moving seat 95 is slidably connected to the upper side of the first moving seat 94, and the battery gripper 96 is slidably connected to the upper side of the first moving seat 94.

[0003] When the replacement device replaces the battery, the battery pack is arranged on the upper side of the second moving seat 95, the first moving seat 94 and the second moving seat 95 are moved to the charging frame 91, the first moving seat 94, the second moving seat 95 and the rotating seat 93 are staggered, the front end of the second moving seat 95 is moved to the charging frame 91, and the battery gripper 96 moves forward along the second moving seat 95, and the battery pack 92 on the upper side of the second moving seat 95 is pushed into the charging frame 91.

[0004] The existing battery replacement platform is provided with the first moving seat 94 and the second moving seat 95 on the upper side of the rotating seat, there is a first gap 97 between the rotating seat 93 and the first moving seat 94, and there is a second gap 98 between the first moving seat 94 and the second moving seat 95, during the process of loading the battery pack 92, when the front ends of the first moving seat 94 and the second moving seat 95 are suspended, the front end of the first moving seat 94 is prone to sagging due to the first gap 97, so that the front end of the second moving seat 95 is inclined downward, and the front end of the second moving seat 95 also sags due to the second gap 98, further enlarging the downward inclination of the front end of the first moving seat 94, resulting in a height difference between the front end of the first moving seat 94 and the compartment opening of the battery compartment, and when the battery gripper pushes the battery pack 92 forward, the battery pack is prone to being stuck in the compartment opening of the battery compartment, as shown in Figure 6 . INVENTION CONTENTS

[0005] The utility model discloses in order to solve the serious shortcoming of the front end of the second moving seat of the existing battery replacement device sagging seriously when the battery replacement platform replaces the battery, and proposes a battery replacement telescopic rotary platform, reduces the sagging amount of the front end of the moving seat, so that the battery pack can enter the battery compartment more smoothly.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The application discloses a battery replacement telescopic rotating platform, which comprises a rotating base, a moving base, a first servo mechanism, a battery pack suction disc and a second servo mechanism, the moving base is slidably connected to the upper side of the rotating base, a plurality of rollers are rotatably connected to the upper side of the moving base and used for supporting the battery pack, the second servo mechanism is arranged on the rotating base and used for driving the moving base, the battery pack suction disc is slidably connected to the upper side of the moving base and used for adsorbing the battery pack, the first servo mechanism comprises a first motor and a belt and pulley, the pulley supports two ends of the belt and is rotatably connected to the upper side of the moving base, one side of the belt is connected to the battery pack suction disc, and the first motor is arranged at the rear end of the moving base and is in transmission connection with the pulley.

[0008] Through the above arrangement, firstly, when the battery pack is loaded into the battery compartment, the amount of sag of the front end of the moving base is smaller, and the battery pack can enter the battery compartment more smoothly; secondly, when the battery pack suction disc pushes the battery pack forward, the first motor is always arranged at the rear end of the moving base, and the weight of the first motor can help to press down the rear end of the moving base, so that the amount of sag of the front end of the moving base is smaller.

[0009] Further, the second servo mechanism comprises a rack, a gear and a second motor, the rack is fixedly connected to the lower side of the moving base in the front-rear direction, the second motor is fixedly connected to the rotating base and is in transmission connection with the gear, and the gear is in meshing connection with the rack.

[0010] Through the above arrangement, the second motor drives the moving base to move forward and backward through the gear and the rack.

[0011] Further, the battery pack suction disc comprises a first door-shaped frame, a connecting plate and an electromagnet, the two ends of the first door-shaped frame are arranged outside the rollers and are in sliding connection with the moving base, the belt passes below the first door-shaped frame, the first door-shaped frame is connected with the belt through the connecting plate, the electromagnet is fixedly connected to the upper side of the first door-shaped frame and is used for adsorbing the battery pack, and the lower side of the electromagnet is higher than the upper side of the roller.

[0012] Through the above arrangement, the two ends of the first door-shaped frame are located outside the rollers, so that the first door-shaped frame is prevented from interfering with the rollers, and the electromagnet is lifted by the first door-shaped frame, so that the electromagnet is prevented from interfering with the rollers.

[0013] Further, the platform further comprises a guide rail, the guide rail is fixedly connected to the upper side of the moving base in the front-rear direction, and the two ends of the first door-shaped frame pass through the guide rail and are in sliding connection with the moving base.

[0014] Through the above arrangement, the movement stability of the first door-shaped frame is improved.

[0015] Further, the platform further comprises a second door-shaped frame, the two ends of the second door-shaped frame are fixedly connected to the upper side of the moving base, the pulley at the rear end of the belt is arranged below the second door-shaped frame, the first motor is fixedly connected to the upper side of the second door-shaped frame, and the output shaft of the second motor penetrates through the second door-shaped frame and is connected with the pulley.

[0016] Further, the platform further comprises guide rails installed in parallel on the left and right sides of the moving seat, and the distance between the guide rails is adapted to the width of the battery pack.

[0017] Through the above arrangement, the battery pack is prevented from moving left and right during the advancing process.

[0018] Further, the front end of the guide rail is provided with a chamfer.

[0019] Through the above arrangement, the battery pack is facilitated to move from the charging rack to the moving seat.

[0020] Further, the platform further comprises a support member fixedly connected to the front end of the moving seat, and the support member comprises a connecting portion and a supporting portion, the connecting portion is fixedly connected to the front end of the moving seat in the vertical direction, and the supporting portion is fixedly connected to the upper end of the connecting portion in the horizontal direction and extends forward.

[0021] Through the above arrangement, the sagging amount of the front end of the moving seat is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The figure is a schematic view of the platform of the embodiment.

[0023] Figure 2 The figure is another schematic view of the platform of the embodiment.

[0024] Figure 3 The figure is a sectional view of the platform of the embodiment.

[0025] Figure 4 The figure is a schematic view of the battery pack suction disc pushing the battery pack to advance.

[0026] Figure 5 The figure is a schematic view of the existing charging rack and platform.

[0027] Figure 6 The figure is a schematic view of the existing platform pushing the battery pack to advance. DETAILED DESCRIPTION

[0028] The technical scheme of the present application will be further specifically explained below through the embodiment and in combination with the drawings.

[0029] As Figures 1 to 4As shown, a battery replacement telescopic rotating platform, including rotating seat 3, moving seat 4, first servo mechanism, battery pack suction cup 5, second servo mechanism, moving seat 4 is slidably connected to the upper side of rotating seat 3, a plurality of rollers 6 are rotatably connected to the upper side of moving seat 4 for supporting battery pack 7, second servo mechanism is arranged on rotating seat 3 for driving moving seat 4, battery pack suction cup 5 is slidably connected to the upper side of moving seat 4 for adsorbing battery pack 7, first servo mechanism includes first motor 8, belt 9 and pulley 10, pulley 10 supports both ends of belt 9 and is rotatably connected to the upper side of moving seat 4, one side of belt 9 is connected with battery pack suction cup 5, first motor 8 is arranged at the rear end of moving seat 4 and is in transmission connection with pulley 10.

[0030] Through the above setting, first, when the battery pack 7 is loaded into the battery compartment, the sag of the front end of the moving seat 4 is smaller, and the battery pack 7 can enter the battery compartment more smoothly, second, when the battery pack suction cup 5 pushes the battery pack 7 forward, the first motor 8 is always at the rear end of the moving seat 4, the weight of the first motor 8 can help to press down the rear end of the moving seat 4, so that the sag of the front end of the moving seat 4 is smaller.

[0031] The platform of the present application is part of a battery pack replacement device, which is used for heavy truck battery replacement, Figure 1 The left and right front and rear directions of the platform are indicated in the figure, when in use, the heavy truck drives to the front side of the platform, the side of the heavy truck is pre-installed with a charging rack 200, and waits for the platform to load the battery pack 7, the charging rack can refer to the background art; the replacement device further includes a lifting drive and a rotating drive, the lifting drive drives the whole platform to move up and down, so that the height of the battery pack 7 is consistent with that of the charging rack, and the rotating drive drives the platform to rotate, so that the platform is aligned with the charging rack; the second servo mechanism is installed on the rotating seat 3, and the rotating seat 3 bears almost all the weight of the second servo mechanism; the moving seat 4 can slide forward and backward on the upper side of the rotating seat 3; the upper side of the moving seat 4 supports the battery pack 7 to be loaded through the rollers 6, the rollers 6 are evenly distributed on the upper side of the moving seat 4, as Figure 1 As shown, the rollers 6 reduce the movement resistance of the battery pack 7 on the upper side of the moving seat 4 on the one hand, and can lift the battery pack 7 on the other hand to prevent the interference between the lower side of the battery pack 7 and the belt 9 and the pulley 10; the battery pack suction cup 5 is close to the rear end of the moving seat 4, adsorbs the rear side of the battery pack 7, and prevents the battery pack 7 from falling off when moving on the upper side of the moving seat 4; the first motor 8 is fixedly installed at the rear end of the moving seat 4, and cannot move forward and backward on the upper side of the moving seat 4.

[0032] When the platform starts to run, the second servo mechanism drives the moving seat 4 loaded with the battery pack 7 to move forward until the front end of the moving seat 4 moves to the charging rack. The platform of the application is specifically provided with one moving seat 4 moving forward and backward. Compared with the traditional platform (with two moving seats, i.e. the first moving seat and the second moving seat arranged above and below), the platform of the application has less gap between the moving seats 4, the gap is smaller, and when the moving seat 4 moves forward, the amount of the front end of the moving seat 4 falling is smaller. Then the first motor 8 drives the belt 9 to run through the belt wheel 10. One end of the belt 9 is close to the rear end of the moving seat 4, and the other end is close to the front end of the moving seat 4. The belt 9 drives the battery pack 7 to move forward by the battery pack suction cup 5. In this process, the first motor 8 is always at the rear end of the moving seat 4, that is, the first motor 8 depends on its own weight to press the rear end of the first moving seat 4 to prevent the front end of the first moving seat 4 from sagging. As an implementation manner, an additional counterweight can be arranged at the rear end of the first moving seat 4 to further reduce the amount of the front end of the moving seat 4 sagging. Finally, the battery pack 7 is pushed into the charging rack by the battery pack suction cup 5, and then the battery pack suction cup 5 releases the battery pack 7, and the moving seat 4 and the battery pack suction cup 5 are reset for the next battery replacement.

[0033] As an implementation manner, the second servo mechanism includes a rack (not shown in the figure), a gear 12 and a second motor 13. The rack is fixedly connected to the lower side of the moving seat 4 along the front and back directions. The second motor 13 is fixedly connected to the rotating seat 3 and is in transmission connection with the gear 12. The gear 12 is in meshing connection with the rack.

[0034] Through the above arrangement, the second motor 13 drives the moving seat 4 to move forward and backward through the gear 12 and the rack.

[0035] The rack of the application extends along the front and back directions. One end of the rack is close to the rear end of the moving seat 4, and the other end is close to the front end of the moving seat 4, so that the second servo mechanism has a larger stroke. The second motor 13 specifically adopts a servo motor, which has higher movement precision and can accurately control the forward and backward movement distance of the moving seat 4.

[0036] As an implementation manner, the battery pack suction cup 5 includes a first door-shaped frame 51, a connecting plate 52 and an electromagnet 53. The two ends of the first door-shaped frame 51 are arranged outside the roller 6 and are in sliding connection with the moving seat 4. The belt 9 passes below the first door-shaped frame 51. The first door-shaped frame 51 is connected with the belt 9 through the connecting plate 52. The electromagnet 53 is fixedly connected to the upper side of the first door-shaped frame 51 and is used for adsorbing the battery pack 7. The lower side of the electromagnet 53 is higher than the upper side of the roller 6.

[0037] Through the above arrangement, the two ends of the first door-shaped frame 51 are located outside the roller 6 to prevent the first door-shaped frame 51 from interfering with the roller 6. The first door-shaped frame 51 lifts the electromagnet 53 to prevent the electromagnet 53 from interfering with the roller 6.

[0038] The first door-shaped frame 51 is specifically slidably connected to the left and right sides of the moving seat 4, the height of the first door-shaped frame 51 is higher than the height of the roller 6, when the first door-shaped frame 51 moves forward and backward, the first door-shaped frame 51 will not interfere with the roller 6 on the upper side of the moving seat 4, and interference between the electromagnet 53 and the roller 6 is also avoided; the belt 9 is connected to the first door-shaped frame 51 through the connecting plate 52, when the belt 9 moves, the belt 9 drives the first door-shaped frame 51 to move through the connecting plate 52; when the first door-shaped frame 51 moves forward and backward, the connecting plate 52 passes between the rollers 6 and will not interfere with the rollers 6; the electromagnet 53 is used for adsorbing the battery pack 7, the rear side of the battery pack 7 is provided with an iron block, when the battery pack 7 is powered on, the electromagnet 53 adsorbs the battery pack 7 through the iron block, and when the electromagnet 53 is powered off, the electromagnet 53 releases the battery pack 7.

[0039] As an implementation manner, the platform further comprises guide rails 14 fixedly connected to the upper side of the moving seat 4 along the front and back directions, and the two ends of the first door-shaped frame 51 are slidably connected to the moving seat 4 through the guide rails 14.

[0040] Through the above arrangement, the movement stability of the first door-shaped frame 51 is improved.

[0041] As an implementation manner, the platform further comprises a second door-shaped frame 15 fixedly connected to the upper side of the moving seat 4, the pulley 10 at the rear end of the belt 9 is arranged below the second door-shaped frame 15, the first motor 8 is fixedly connected to the upper side of the second door-shaped frame 15, and the output shaft of the second motor 13 penetrates through the second door-shaped frame 15 and is connected to the pulley 10.

[0042] As an implementation manner, the platform further comprises guide rails 14 installed in parallel on the left and right sides of the moving seat 4, and the distance between the guide rails 14 is adapted to the width of the battery pack 7.

[0043] Through the above arrangement, the left and right movement of the battery pack 7 during the forward movement is prevented.

[0044] As an implementation manner, the front end of the guide rail 14 is provided with a chamfer 16.

[0045] Through the above arrangement, the battery pack 7 is conveniently moved from the charging rack to the moving seat 4.

[0046] The platform of the application can also pull the battery pack 7 from the charging rack to the moving seat 4, specifically, when there is a battery pack 7 in the charging rack that needs to be taken out, the empty moving seat 4 moves forward to the charging rack, then the electromagnet 53 approaches the charging rack, adsorbs the battery pack 7, and then moves backward to pull the battery pack 7 from the charging rack to the moving seat 4, after the rotating seat 3 rotates one hundred and eighty degrees, the battery pack 7 can be pushed to the electric cabinet, and the disassembly work of the battery pack 7 is completed.

[0047] As an implementation manner, the platform further comprises a support 17 fixedly connected to the front end of the moving seat 4, the support 17 comprising a connecting portion 171 and a supporting portion 172, the connecting portion 171 being vertically fixedly connected to the front end of the moving seat 4, and the supporting portion 172 being horizontally fixedly connected to the upper end of the connecting portion 171 and extending forward.

[0048] Through the above arrangement, the sag of the front end of the moving seat 4 is further reduced.

[0049] After the moving seat 4 advances, the supporting portion 172 of the support 17 at the front end of the moving seat 4 is placed on the charging rack, preventing the front end of the moving seat 4 from being suspended, and when the battery pack 7 moves forward along the moving seat 4, the battery pack 7 will not press down the front end of the moving seat 4 when passing through the front end of the moving seat 4, thereby reducing the sag of the front end of the moving seat 4.

[0050] It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.

Claims

1. A telescopic rotating platform for battery swap, characterized in that, The platform comprises a rotating base, a moving base, a first servo mechanism, a battery pack suction cup, and a second servo mechanism.

2. The telescopic rotating platform for battery swap according to claim 1, wherein, The moving base is slidably connected to the upper side of the rotating base.

3. The telescopic rotating platform for battery swap according to claim 2, characterized in that, The second servo mechanism is arranged on the rotating base and is used to drive the moving base.

4. The telescopic rotary platform for battery swap according to claim 3, characterized in that, The first servo mechanism comprises a first motor, a belt, and a pulley.

5. The telescopic rotating platform for battery swap of claim 2, wherein, The pulley supports both ends of the belt and is rotatably connected to the upper side of the moving base.

6. The telescopic rotary platform for battery swap of claim 1, wherein, The belt is connected to the battery pack suction cup on one side.

7. The telescopic rotary platform for battery swap according to claim 6, characterized in that, The first motor is arranged at the rear end of the moving base and is in transmission connection with the pulley.

8. The telescopic rotary platform for battery swap of claim 1, wherein, The second servo mechanism comprises a rack, a gear, and a second motor. The rack is fixedly connected to the lower side of the moving base along the front-rear direction. The second motor is fixedly connected to the rotating base and is in transmission connection with the gear. The gear is in meshing connection with the rack. The battery pack suction cup comprises a first door-shaped frame, a connecting plate, and an electromagnet. The first door-shaped frame is arranged outside the roller at both ends and is in sliding connection with the moving base. The belt passes under the first door-shaped frame. The first door-shaped frame is connected to the belt through the connecting plate. The electromagnet is fixedly connected to the upper side of the first door-shaped frame and is used to adsorb the battery pack. The lower side of the electromagnet is higher than the upper side of the roller. The platform further comprises guide rails. The guide rails are fixedly connected to the upper side of the moving base along the front-rear direction. The first door-shaped frame is in sliding connection with the moving base through the guide rails. The platform further comprises a second door-shaped frame. The second door-shaped frame is fixedly connected to the upper side of the moving base at both ends. The pulley at the rear end of the belt is arranged below the second door-shaped frame. The first motor is fixedly connected to the upper side of the second door-shaped frame. The output shaft of the second motor is in connection with the pulley through the second door-shaped frame. The platform further comprises guide rails which are installed in parallel on the left and right sides of the moving base. The distance between the guide rails is adapted to the width of the battery pack. The front end of the guide rail is provided with a chamfer. The platform further comprises a support member which is fixedly connected to the front end of the moving base. The support member comprises a connecting part and a supporting part. The connecting part is vertically fixedly connected to the front end of the moving base. The supporting part is horizontally fixedly connected to the upper end of the connecting part and extends forward.

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