CN114684590B - Transfer equipment for accurate level adjustment, battery transfer system and battery pack transfer method - Google Patents
Transfer equipment for accurate level adjustment, battery transfer system and battery pack transfer method Download PDFInfo
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- CN114684590B CN114684590B CN202011628455.XA CN202011628455A CN114684590B CN 114684590 B CN114684590 B CN 114684590B CN 202011628455 A CN202011628455 A CN 202011628455A CN 114684590 B CN114684590 B CN 114684590B
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- 230000007246 mechanism Effects 0.000 claims abstract description 150
- 238000001514 detection method Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000002457 bidirectional effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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Abstract
The invention discloses a transfer device for accurate level adjustment, a battery transfer system and a battery pack transfer method. The transfer equipment for horizontal accurate adjustment comprises a car which is arranged to be capable of moving up and down along the height direction of a charging frame, and an extending mechanism for taking and placing a battery pack is arranged in the car. The invention can adjust the battery pack in the horizontal direction before entering the battery bin, avoid the problem of non-alignment of the battery pack and the battery bin, and ensure that the battery packs with different types and different mounting positions can be smoothly placed in the battery bin.
Description
Technical Field
The invention relates to a transfer device for accurate level adjustment, a battery transfer system and a battery pack transfer method.
Background
The existing battery transfer system moves the battery pack in or out of the electric vehicle through the battery exchange device, then the battery pack is transferred between the battery exchange device and the lifter or the stacker, and the lifter or the stacker moves the battery pack in or out of the battery bin. The chinese patent application with publication number CN211733721U discloses a battery transferring device, which has a bidirectional telescopic mechanism to take out and put in the battery, and in the direction perpendicular to the bidirectional telescopic mechanism, the main body frame drives the whole bidirectional telescopic mechanism to adjust along the guiding mechanism. Therefore, although the battery pack on the bidirectional telescopic mechanism can be ensured to be aligned with the battery bin in the horizontal direction through the whole movement of the main body frame, the whole structure of the battery transfer device is huge, and the battery transfer device cannot be applied to most battery transfer systems.
In addition, because the mounting positions of the battery packs on the electric vehicle are different, after the battery packs are dismounted, the positions of the battery packs of different models on the battery changing trolley are different, so that the positions of the battery packs transferred to the stacker can be different. Therefore, when the stacker crane feeds the battery packs into the battery spaces, the battery packs of different types cannot be aligned to the battery spaces, so that the problem of blocking the movement of the battery packs is caused, and even equipment is damaged. Therefore, different types of battery packs can be stored on different battery frames, or different types of battery packs need to be transported by matching with different stacker cranes, so that the universality is low.
Disclosure of Invention
The invention aims to overcome the defects that in the prior art, different battery packs and battery bins cannot be aligned, so that the storage efficiency of the battery packs is low, equipment is even damaged, and the structure required for horizontally adjusting the battery packs is huge.
The invention solves the technical problems by the following technical scheme:
The utility model provides a transfer equipment for horizontal fine adjustment, is including being set up to the car that can follow charging frame direction of height lift and remove, is equipped with the extending mechanism that is used for getting and puts the battery package in the car, extending mechanism passes through a horizontal movement mechanism and sets up in the car, wherein, horizontal movement mechanism is set up to drive extending mechanism is whole for the car is followed with extending mechanism's flexible direction vertically direction is perpendicular to remove to correspond with the position of battery in target battery position or the target battery position.
The horizontal moving mechanism can adjust the horizontal direction before the battery pack enters the battery bin, so that the problem that the battery pack cannot enter the battery bin is avoided. Therefore, after the battery packs are placed on the extending mechanism, even if the middle position of the battery pack is not aligned with the middle position of the extending mechanism, the extending mechanism can be moved to enable the middle position of the battery to be adjusted to be aligned with the battery bin.
Meanwhile, the horizontal moving mechanism is arranged in the transfer equipment for horizontal accurate adjustment, and only the extending mechanism is mainly required to be moved, so that the whole structure is more compact, the space outside the transfer equipment for horizontal accurate adjustment cannot be occupied, and the transfer equipment can be suitable for various power exchange stations. And moreover, the load required by the movement of the extension mechanism is lower, so that the miniaturization of the horizontal movement mechanism is facilitated, the horizontal movement mechanism is not easy to deform, and the conveying precision is ensured.
Preferably, the horizontal movement mechanism is disposed between the car and the extension mechanism, an upper end portion of the horizontal movement mechanism is connected to a bottom portion of the extension mechanism, and a lower end portion of the horizontal movement mechanism is connected to the car.
The horizontal moving mechanism occupies space only in the height direction of the car and does not occupy space of the car perpendicular to the extending direction, so that the original width of the car can be kept.
Preferably, the horizontal moving mechanism comprises a moving platform fixed at the bottom of the car, the extending mechanism is integrally arranged on the moving platform, and the horizontal moving mechanism drives the moving platform to move so as to drive the extending mechanism to synchronously move.
The extending mechanism can be integrally moved through the moving platform, when the battery pack is adjusted, the extending mechanisms contacted with the battery are ensured to synchronously move, and the battery pack is ensured not to move in other directions because the extending mechanisms are not synchronously moved.
Preferably, the horizontal moving mechanism comprises a driving unit, and the driving unit directly drives the moving platform to translate, or the driving unit drives the moving platform to translate through a transmission unit.
The transmission unit can change the output of the driving unit, reduce the speed and the like, so that the mobile platform can move more accurately.
Preferably, the driving unit is a driving motor, the transmission unit comprises a screw rod and a sliding part in threaded fit with the screw rod, the sliding part is driven to move relatively by driving the screw rod to rotate, the screw rod is arranged on the lift car along the direction perpendicular to the extending direction of the extending mechanism, and the sliding part is connected to the bottom of the moving platform so as to drive the moving platform to move synchronously; or the sliding part is arranged on the car, and the screw rod is arranged on the moving platform along the direction perpendicular to the extending direction of the extending mechanism so as to drive the moving platform to synchronously move.
The moving distance of the moving platform is determined by the rotation number of the screw rod, and the rotation number of the screw rod can be accurately controlled through the driving motor.
Preferably, the horizontal movement mechanism further comprises a guide unit connected between the moving platform and the car for restricting the moving platform to move horizontally along the width direction of the car.
The guide unit bears the weight of the mobile platform on one hand, and can limit the moving direction of the mobile platform on the other hand, so that the mobile platform is prevented from moving towards other directions, and the adjustment precision is prevented from being influenced.
Preferably, the guiding unit comprises a guide rail and a sliding block which are connected in a sliding fit manner, the guide rail is arranged on the car along a direction perpendicular to the extending direction of the extending mechanism, and the sliding block is fixed at the bottom of the moving platform so as to guide the movement of the moving platform; or the sliding block is arranged on the car, and the guide rail is arranged on the moving platform so as to guide the movement of the moving platform.
The guide rail and the sliding block can realize the guiding function in the moving process, so that inaccurate battery positions caused by movement deviation are prevented, and the device is simple in structure and reliable in operation.
Preferably, the transfer device for accurate horizontal adjustment further comprises a control unit, and the control unit controls the horizontal moving mechanism to drive the extending mechanism to move according to the target bin or the position of the battery in the target bin.
Preferably, the transfer device for accurate horizontal adjustment further comprises a detection unit, wherein the detection unit is used for detecting the actual position of the battery pack on the extension mechanism, and the control unit controls the horizontal movement mechanism to drive the extension mechanism to move to enable the battery pack to correspond to the placement position of the battery bin according to the detection result of the detection unit.
The detection unit can detect the actual deviation of the battery pack and the battery bin, and can control the horizontal moving mechanism in a targeted manner, so that the position of the battery pack is adjusted to be aligned with the battery bin, and the adjustment efficiency is improved.
A battery transfer system comprising a charging rack, the battery transfer system further comprising the transfer device for accurate level adjustment.
Preferably, the battery rack is provided with a guiding mechanism along the vertical direction, the guiding mechanism comprises four guiding posts which are arranged in one-to-one correspondence with four ends of the transferring device for horizontal fine adjustment, the transferring device for horizontal fine adjustment is positioned between the two rows of battery racks, the four guiding posts multiplex two rows of the battery racks to be close to four upright posts of the transferring device for horizontal fine adjustment, and the upright posts which are multiplexed are provided with guiding surfaces matched with the transferring device for horizontal fine adjustment.
Therefore, the column is shared between the transferring equipment and the battery rack for accurate horizontal adjustment, and the whole structure can be simplified. In addition, in the process that the transfer equipment for the level accurate adjustment is guided through the upright post, the height of the upright post is directly related to the height of the battery bin of the battery frame, so that the problem of inaccurate height positioning caused by non-uniform height reference of the transfer equipment for the level accurate adjustment and the height reference of the battery bin is avoided.
A battery pack transfer method implemented using the transfer apparatus for accurate level adjustment, comprising:
acquiring bin information of a target battery bin;
The extension mechanism is controlled to move to correspond to the target battery bin.
Preferably, the battery pack transferring method further comprises:
Before the step of acquiring the bin information of the target battery bin, controlling the lift of the lift car; and after the step of moving the battery pack to correspond to the target battery compartment by the control extension mechanism, taking out the battery pack from the target battery compartment or putting the battery pack into the target battery compartment; or (b)
After the step of controlling the extension mechanism to move the battery pack to correspond to the target battery compartment,
Controlling the lift of the lift car; and
And taking out the battery pack from the target battery bin or putting the battery pack into the target battery bin.
Preferably, the step of controlling the extension mechanism to move the battery pack into alignment with the target battery bay prior to placing the battery pack into the target battery bay comprises:
detecting the position of a battery pack in the car;
the extension mechanism is controlled to move the battery pack to correspond to the placement position of the target battery bin.
The invention has the positive progress effects that: the invention can carry out horizontal adjustment before the battery pack enters the battery bin, thereby avoiding the problem that the battery pack cannot enter the battery bin and ensuring that various battery packs can smoothly enter the battery bin. Meanwhile, the horizontal moving mechanism is arranged in the transfer equipment for horizontal accurate adjustment, the whole structure is more compact, the space outside the transfer equipment for horizontal accurate adjustment cannot be occupied, the miniaturization of the horizontal moving mechanism is facilitated, and the conveying precision is guaranteed. And thus can be applied to various power exchanging stations.
Drawings
Fig. 1 is a schematic front view of a battery transfer system according to a preferred embodiment of the invention.
Fig. 2 is a schematic front view of a transfer apparatus for accurate horizontal adjustment according to a preferred embodiment of the present invention.
Fig. 3 is a schematic side view of a transfer apparatus for accurate horizontal adjustment according to a preferred embodiment of the present invention.
Fig. 4 is a schematic bottom structure of a mobile platform according to a preferred embodiment of the invention.
Fig. 5 is a schematic diagram of a transfer apparatus for accurate horizontal adjustment according to a preferred embodiment of the present invention.
Fig. 6 is an adjusted schematic view of a transfer apparatus for accurate horizontal adjustment according to a preferred embodiment of the present invention.
Fig. 7 is a method for transferring a battery pack according to a preferred embodiment of the present invention.
Fig. 8 is a schematic diagram showing another battery pack transferring method according to the preferred embodiment of the present invention.
Detailed Description
The invention is further illustrated by means of the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1-5, the present embodiment discloses a battery transfer system, which in a preferred embodiment comprises a charging rack 9 and a transfer device for accurate level adjustment. The battery rack 9 has a guide mechanism in the vertical direction, the guide mechanism includes four guide posts that set up with four ends one-to-one for the transfer equipment of level fine adjustment, the transfer equipment for level fine adjustment is located between two rows of battery racks 9, four guide posts multiplex two rows of battery racks near four stand columns 91 for the transfer equipment of level fine adjustment. Thereby, the column 91 is shared between the transfer device for horizontal fine adjustment and the battery rack 9, and the overall structure can be simplified. In addition, in the process that the transferring device for the accurate horizontal adjustment is guided by the upright post 91, the height of the upright post 91 is directly related to the height of the battery bin 7 of the battery rack, so that the problem of inaccurate height positioning caused by non-uniform height reference of the transferring device for the accurate horizontal adjustment and the height reference of the battery bin 7 is avoided.
In a preferred embodiment, the multiplexed column 91 has a guide surface that mates with a transfer device for precise horizontal adjustment. The guide surface may be a surface of the upright 91 facing the side of the transfer device for precise adjustment of the level, or may be a surface from which the upright 91 additionally extends. When the battery transferring device is specifically implemented, the battery transferring device can directly support and press the roller to guide on the guide surface of the upright post, and the guide rail can be arranged on the guide surface of the upright post so as to be in sliding connection with the matching piece on the battery transferring device, so that the lifting movement of the battery transferring device is guided. The whole structure is simplified, so that the connection of the two is more compact, the guiding strength can be improved, the cost is reduced, the manpower and material resources are saved in the installation process, and the whole operation efficiency is improved.
Of course, in other embodiments, the battery transfer system may be other, for example, include one battery rack 9 or more battery racks 9. The transfer device for precise level adjustment can also be arranged at any other position. The transfer device for precise level adjustment can be connected with the battery rack 9 or can be of a structure which exists independently, and the battery rack 8 can be aligned only when being transported.
As shown in fig. 2, the transfer device for horizontal fine adjustment of the present embodiment includes a car 1 configured to be movable up and down in a height direction of a charging frame, an extension mechanism 2 for taking and placing a battery pack 8 is provided in the car 1, and the extension mechanism 2 is provided in the car 1 by a horizontal movement mechanism, wherein the horizontal movement mechanism is configured to drive the extension mechanism 2 as a whole to move relative to the car 1 in a direction perpendicular to a direction of extension of the extension mechanism 2 so as to correspond to a position of a target battery compartment 7 or a battery in the target battery compartment.
The transferring device for accurate horizontal adjustment in this embodiment may be an elevator that keeps fixed in a horizontal direction and only moves up and down, and in other embodiments, may be a stacker that can move in a horizontal direction and also move in a vertical direction. The lifting of the car 1 relative to the elevator or stacker crane can be achieved in various known ways. Or in other embodiments the car 1 may be moved in various directions in other known ways.
As shown in fig. 3, in a preferred embodiment, one way of the extension mechanism 2 is to include a base 22 and a primary extension member 21 slidably disposed on the base 22. The upper surface of the primary projecting member 21 carries the battery pack 8 and drives the battery pack 8 to expand and contract in the horizontal direction. The primary projecting members 21 may be various slidable carrying structures such as sliding rails, sliders, and the like. In other embodiments, in addition to the primary protruding member 21, a secondary protruding member may be slidably provided on the secondary protruding member 21, and the battery pack 8 may be carried by the upper surface of the secondary protruding member.
In this embodiment, the horizontal movement mechanism can perform adjustment in the horizontal direction before the battery pack 8 enters the battery compartment 7, so as to avoid the problem that the battery pack 8 cannot enter the battery compartment. Thus, after the battery pack 8 is placed on the extension mechanism 2, even if the center position of the battery pack 8 is not aligned with the center position of the extension mechanism 2, the center position of the battery can be adjusted to the position aligned with the battery compartment by moving the extension mechanism 2. Meanwhile, the horizontal moving mechanism is arranged in the transfer equipment for accurate horizontal adjustment, and only the extending mechanism 2 is mainly required to be moved, so that the whole structure is more compact, and the space outside the transfer equipment for accurate horizontal adjustment is not occupied, thereby being applicable to various power exchange stations. In addition, the load required by the movement of the extension mechanism 2 is low, so that the miniaturization of the horizontal movement mechanism is facilitated, the horizontal movement mechanism is not easy to deform, and the conveying precision is ensured.
In a preferred embodiment, a horizontal movement mechanism may be provided between the car 1 and the extension mechanism 2, with an upper end portion of the horizontal movement mechanism being connected to the bottom of the extension mechanism 2 and a lower end portion of the horizontal movement mechanism being connected to the car 1. The horizontal movement mechanism thus occupies space only in the height direction of the car 1, and does not occupy space of the car 1 perpendicular to the extending direction, so that the car 1 can be kept at the original width. Of course, in other embodiments, the horizontal moving mechanism may be a structure connected to both sides of the car 1, for example, a linear motor connected to both sides of the car 1, a fixed portion of the linear motor is connected to a side wall of the car 1, and a moving portion of the linear motor is connected to the extension mechanism 2. Or a link mechanism connected to the side of the extension mechanism 2, and the extension mechanism 2 is moved by folding the link mechanism.
As shown in fig. 2 and 3, in a preferred embodiment, the horizontal moving mechanism includes a moving platform 3 fixed at the bottom of the car1, the extension mechanism 2 is integrally disposed on the moving platform 3, and the horizontal moving mechanism drives the moving platform 3 to move so as to drive the extension mechanism 2 to move synchronously. The movement of the extension mechanism 2 as a whole by the movement platform 3 ensures that, during adjustment, the respective extension mechanisms 2 in contact with the battery are moved synchronously, ensuring that the battery pack 8 does not move in other directions due to the movement of the extension mechanisms 2 being out of synchronization.
In other embodiments, the horizontal moving mechanism may respectively control the different extending mechanisms 2 to move, for example, two linear motors respectively drive the extending mechanisms 2 to move.
In a preferred embodiment, the horizontal movement mechanism comprises a driving unit 6, and as shown in fig. 3 and 4, the driving unit 6 drives the moving platform 3 to translate through a transmission unit 5. The transmission unit 5 can change the direction of the output of the driving unit 6, reduce the speed, etc., so that the moving platform 3 can move more precisely.
Of course, in other embodiments, the driving unit 6 may directly drive the translation of the mobile platform 3. For example, the drive unit 6 may employ a linear motor, whereby the moving end of the linear motor is directly connected to the moving platform 3 and the fixed end of the linear motor is connected to the car 1. Or the driving unit is an air cylinder fixed on the car 1, and the piston rod of the air cylinder directly pushes the moving platform 3 to move.
As shown in fig. 3 and 4, in a further preferred embodiment, the driving unit 6 may be a driving motor, the transmission unit 5 includes a screw rod 51 and a sliding portion 52 screwed with the screw rod 51, the sliding portion 52 is relatively moved by driving the screw rod 51 to rotate, the screw rod 51 is disposed on the car 1 in a direction perpendicular to the extending and contracting direction of the extending mechanism 2, and the sliding portion 52 is connected to the bottom of the moving platform 3 to drive the moving platform 3 to move synchronously. Whereby the moving distance of the moving platform 3 is determined by the number of turns of the screw 51, and the number of turns of the screw 51 can be precisely controlled by the driving motor.
In other embodiments driven by the screw 51, or the sliding portion 52 may be provided on the car 1, the screw 51 is provided on the moving platform 3 in a direction perpendicular to the extending and contracting direction of the extending mechanism 2 so as to drive the moving platform 3 to move synchronously.
In other embodiments employing the driving unit 6 and the transmission unit 5, the driving unit 6 may be various known power-providing devices such as an air cylinder, a hydraulic cylinder, etc., and the transmission unit may be various known transmission structures such as a gear, a rack, a link, etc.
As shown in fig. 3, in a preferred embodiment, the horizontal movement mechanism further includes a guide unit 4, and the guide unit 4 is connected between the moving platform 3 and the car 1 for restricting the moving platform 3 to move horizontally along the width direction of the car 1. The guide unit 4 carries the weight of the mobile platform 3 on one hand, and can limit the moving direction of the mobile platform 3 on the other hand, so that the mobile platform 3 is prevented from moving towards other directions, and the adjustment precision is prevented from being influenced.
In a further preferred embodiment, the guiding unit 4 is arranged to guide in a direction perpendicular to the extension of the extension mechanism 2, whereby the mobile platform 3 can be moved to an alignment with the battery compartment 7 with a minimum distance. Of course, in other embodiments, the guide unit 4 may guide in any direction intersecting the extending direction of the extending mechanism 2. That is, a part of the guide trajectory of the guide unit 4 moves in the width direction (left-right direction in fig. 2) of the car 1.
As shown in fig. 3 and 4, in a further preferred embodiment of the guide unit 4, the guide unit 4 includes a guide rail 42 and a slider 41 connected in a sliding fit, the guide rail 42 being provided on the car 1 in a direction perpendicular to the extending and contracting direction of the extending mechanism 2, the slider 41 being fixed to the bottom of the moving platform 3 so as to guide the movement of the moving platform 3. Or in other alternative embodiments, the slider 41 is provided on the car 1, and the guide rail 42 is provided on the moving platform 3 to guide the movement of the moving platform 3. The guide rail 42 and the sliding block 41 can realize the guiding function in the moving process, prevent inaccurate battery position caused by movement deviation, and have simple structure and reliable operation.
In a preferred embodiment, the transfer device for accurate horizontal adjustment further comprises a control unit, and the control unit controls the horizontal moving mechanism to move the extending mechanism 2 according to the target bin or the position of the battery in the target bin. The control unit may in some embodiments be integrated in the overall control device controlling the movement of the extension mechanism and/or the car and/or the movement of the transfer device for fine adjustment of the level, or in other embodiments may be a control unit operating independently, with the associated control device controlling the movement of the extension mechanism and/or the car and/or the movement of the transfer device for fine adjustment of the level, respectively, by a predetermined program.
In a preferred embodiment, the transferring device for accurate horizontal adjustment further comprises a detection unit, wherein the detection unit is used for detecting the actual position of the battery pack 8 on the extension mechanism 2, and the control unit controls the horizontal movement mechanism to drive the extension mechanism 2 to move to enable the battery pack 8 to correspond to the placement position of the battery bin 7 according to the detection result of the detection unit. The detection unit can detect the actual deviation of the battery pack 8 and the battery bin 7, and can control the horizontal moving mechanism in a targeted manner, so that the position of the battery pack 8 is adjusted to be aligned with the battery bin 7, and the adjustment efficiency is improved.
The detection unit may in some embodiments be a position sensor provided on the car 1, for example an infrared sensor for sensing the position of the battery pack 8. In other embodiments, the device may be an apparatus for detecting the relative position of the extension mechanism 2 and the car 1 as a whole, for example, a camera unit disposed at a higher position, and the distance of the relative offset of the battery pack 8 is determined by photographing the position of the battery pack 8 relative to the car 1, thereby providing a basis for adjusting the extension mechanism 2. In other embodiments, the detection unit may also be any known detection element for detecting the battery pack 8 relative to the car 1, or any known detection element for directly detecting the battery pack 8 relative to the battery compartment 7.
Fig. 5-6 show a schematic diagram of the operation of a transfer device for accurate horizontal adjustment according to a preferred embodiment. As shown in fig. 5, in the state shown in fig. 5, the battery pack 8 is shifted with respect to the positions of the two extending mechanisms 2, mainly toward the extending mechanism 2 on the left side in fig. 5. At this time, the battery pack 8 and the battery compartment 7 have an offset distance a, and the battery pack 8 cannot smoothly enter the battery compartment 7. At this time, as shown in fig. 6, after the detection unit detects the deviation of the battery pack 8 with respect to the extension mechanism 2 or the deviation of the battery pack 8 with respect to the battery compartment 7, the entire moving platform 3 drives the two extension mechanisms 2 together to move rightward by the distance a so that the battery pack 8 can be aligned with the battery compartment 7.
Of course, in other embodiments, the process of taking out the battery pack 8 may be different from the process of putting in the battery pack 8 in fig. 5 and 6 in that the extension mechanism 2 does not carry the battery pack 8 when adjusted, the extension mechanism 2 is adjusted from the normal position in fig. 5 to the offset position in fig. 6, then is docked with the battery compartment 7, and the battery pack 8 is taken out.
As shown in fig. 7, in a preferred embodiment, a method for transferring a battery pack is further included, including:
S1, controlling the lift of a lift car;
s2, acquiring bin information of a target battery bin;
s3, detecting the position of a battery pack in the car;
S4, controlling the extending mechanism to move the battery pack to correspond to the placement position of the target battery bin;
S5, taking out the battery pack from the target battery bin or putting the battery pack into the target battery bin.
As shown in fig. 8, in another preferred embodiment, another battery pack transferring method is further included, including:
S1, acquiring bin information of a target battery bin;
s2, detecting the position of a battery pack in the car;
S3, controlling the extending mechanism to move the battery pack to correspond to the placement position of the target battery bin;
s4, controlling the lift car to lift;
S5, taking out the battery pack from the target battery bin or putting the battery pack into the target battery bin.
The invention can carry out horizontal adjustment before the battery pack enters the battery bin, thereby avoiding the problem that the battery pack cannot enter the battery bin and ensuring that various battery packs can smoothly enter the battery bin.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (11)
1. The transfer equipment for horizontal accurate adjustment comprises a lift car which is arranged to be capable of moving up and down along the height direction of a charging frame, and an extending mechanism for taking and placing a battery pack is arranged in the lift car, and is characterized in that the extending mechanism is arranged in the lift car through a horizontal moving mechanism, wherein the horizontal moving mechanism is arranged to drive the extending mechanism to move integrally relative to the lift car along the direction perpendicular to the extending direction of the extending mechanism so as to correspond to the position of a target battery bin or a battery in the target battery bin;
The horizontal moving mechanism comprises a moving platform and a driving unit, wherein the moving platform is fixed at the bottom of the lift car, the extending mechanism is integrally arranged on the moving platform, and the driving unit of the horizontal moving mechanism drives the moving platform to translate through a transmission unit so as to drive the extending mechanism to synchronously move;
The transmission unit comprises a screw rod and a sliding part in threaded fit with the screw rod, the sliding part is driven to rotate so as to generate relative movement, the screw rod is arranged on the lift car along the direction perpendicular to the extending direction of the extending mechanism, and the sliding part is connected to the bottom of the moving platform so as to drive the moving platform to synchronously move; or the sliding part is arranged on the car, and the screw rod is arranged on the moving platform along the direction perpendicular to the extending direction of the extending mechanism so as to drive the moving platform to synchronously move.
2. The transfer apparatus for fine adjustment of level according to claim 1, wherein the horizontal moving mechanism is provided between the car and the projecting mechanism, an upper end portion of the horizontal moving mechanism is connected to a bottom portion of the projecting mechanism, and a lower end portion of the horizontal moving mechanism is connected to the car.
3. The transfer apparatus for fine adjustment of level according to claim 1, wherein the horizontal moving mechanism further comprises a guide unit connected between the moving platform and the car for restricting the moving platform to move horizontally along a width direction of the car.
4. A transfer device for accurate horizontal adjustment according to claim 3, wherein the guide unit comprises a guide rail and a slider connected in a sliding fit, the guide rail being provided on the car in a direction perpendicular to the direction of extension and retraction of the extension mechanism, the slider being fixed to the bottom of the moving platform so as to guide the movement of the moving platform; or the sliding block is arranged on the car, and the guide rail is arranged on the moving platform so as to guide the movement of the moving platform.
5. The transfer apparatus for fine adjustment of level according to any one of claims 1 to 4, further comprising a control unit that controls the horizontal movement mechanism to move the extension mechanism according to a target bin or a position of a battery within the target bin.
6. The transfer device for precise horizontal adjustment according to claim 5, further comprising a detection unit, wherein the detection unit is configured to detect an actual position of the battery pack on the extension mechanism, and the control unit controls the horizontal movement mechanism to move the extension mechanism to a position corresponding to the placement position of the battery pack and the battery bin according to a detection result of the detection unit.
7. A battery transfer system comprising a charging rack, characterized in that the battery transfer system further comprises a transfer device for accurate level adjustment according to any one of claims 1-6.
8. The battery transfer system of claim 7, wherein the battery transfer system comprises a battery rack having a guide mechanism in a vertical direction, the guide mechanism comprising four guide posts disposed in one-to-one correspondence with four ends of the transfer device for fine adjustment of level, the transfer device for fine adjustment of level being located between two columns of the battery rack, the four guide posts multiplexing two columns of the battery rack adjacent to four posts of the transfer device for fine adjustment of level, the multiplexed posts having guide surfaces that mate with the transfer device for fine adjustment of level.
9. A battery pack transfer method, characterized in that the battery pack transfer method is implemented using the transfer apparatus for accurate level adjustment according to any one of claims 1 to 6, comprising:
acquiring bin information of a target battery bin;
The extension mechanism is controlled to move to correspond to the target battery bin.
10. The battery pack transfer method of claim 9, wherein the battery pack transfer method further comprises:
Before the step of acquiring the bin information of the target battery bin, controlling the lift of the lift car; and after the step of moving the battery pack to correspond to the target battery compartment by the control extension mechanism, taking out the battery pack from the target battery compartment or putting the battery pack into the target battery compartment; or (b)
After the step of controlling the extension mechanism to move the battery pack to correspond to the target battery compartment,
Controlling the lift of the lift car; and
And taking out the battery pack from the target battery bin or putting the battery pack into the target battery bin.
11. The battery pack transfer method of claim 10, wherein,
Before placing the battery pack into the target battery compartment, the step of controlling the extension mechanism to move the battery pack to correspond to the target battery compartment comprises:
detecting the position of a battery pack in the car;
the extension mechanism is controlled to move the battery pack to correspond to the placement position of the target battery bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011628455.XA CN114684590B (en) | 2020-12-31 | 2020-12-31 | Transfer equipment for accurate level adjustment, battery transfer system and battery pack transfer method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011628455.XA CN114684590B (en) | 2020-12-31 | 2020-12-31 | Transfer equipment for accurate level adjustment, battery transfer system and battery pack transfer method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114684590A CN114684590A (en) | 2022-07-01 |
| CN114684590B true CN114684590B (en) | 2024-07-16 |
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| JPH0692409A (en) * | 1992-09-11 | 1994-04-05 | Okamura Corp | Traveling control method for stacker crane and its device |
| US5799755A (en) * | 1996-11-14 | 1998-09-01 | Otis Elevator Company | Linear motor transfer of cab horizontally between elevator and bogey platforms |
| CN109775616B (en) * | 2019-01-16 | 2023-07-04 | 中铁第四勘察设计院集团有限公司 | Vertical loading and unloading system and method based on air rail city check-in machine |
| CN111688532A (en) * | 2020-05-19 | 2020-09-22 | 博众精工科技股份有限公司 | Battery transfer equipment for vehicle battery replacement |
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