Container transferring device

Abstract

The utility model provides a container transferring device which comprises a bearing mechanism and a transferring mechanism, the bearing mechanism comprises a plurality of bearing modules, the bearing modules are detachably assembled into a whole through connecting pieces, and the bearing modules assembled into a whole are configured to bear and fix a container; the transfer mechanism is configured to support and suspend the bearing mechanism, and the transfer mechanism is configured to drive the bearing mechanism and the container supported by the bearing mechanism to move to a target position. According to the container transferring device, through cooperation of the transferring mechanism and the bearing mechanism, the container is automatically transferred to the target position; and meanwhile, the bearing mechanism is formed by mutually splicing the bearing modules, so that the containers with different sizes can be borne by additionally mounting or dismounting the bearing modules, various bearing mechanisms with different sizes do not need to be configured, the cost is reduced, the adaptability of the bearing mechanism is improved, and the transfer efficiency of the containers is improved.

Description

Technical Field

[0001] The present application relates to the technical field of battery production equipment, and particularly relates to a container transfer device. Background Art

[0002] In order to achieve centralized management of energy storage battery packs, the battery packs are stored in containers. Usually, an automated boxing equipment is used to load the battery packs into the containers. However, since the battery pack production equipment and the containers are not in the same place, a transfer device is needed to automatically transfer the containers to the boxing position of the automated boxing equipment and send away the containers filled with battery packs.

[0003] The existing transfer devices usually include an AGV cart and a loading mechanism (usually a steel structure frame). The loading mechanism is arranged on the AGV cart, and the loading mechanism is used to carry and clamp the container to be transported. Since there are many sizes of containers, the appropriate loading mechanism is installed on the AGV cart according to the container to be transported to realize the transportation of containers of different sizes. This method results in the need to configure a variety of different loading mechanisms, which not only leads to a large occupied space, but also requires the removal of the entire steel structure frame and reinstallation of a new one every time the loading mechanism is replaced, resulting in cumbersome operations. Utility Model Content

[0004] The purpose of the present application is to provide a container transfer device to solve the above problems existing in the loading mechanism of the transfer device in the prior art.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] The present application provides a container transfer device, which includes a loading mechanism and a transfer mechanism, wherein:

[0007] The loading mechanism includes a plurality of loading modules, and the plurality of loading modules are detachably assembled into one body through a connecting member. The assembled loading modules are configured to carry and fix a container;

[0008] The transfer mechanism is configured to support and suspend the loading mechanism, and the transfer mechanism is configured to drive the loading mechanism and the container carried thereon to move to a target position.

[0009] The container transfer device provided by the present application realizes the automatic transfer of the container to the target position through the cooperation of the transfer mechanism and the loading mechanism; at the same time, the loading mechanism is composed of a plurality of loading modules assembled with each other, and can adapt to the loading of containers of different sizes by adding or removing loading modules, which eliminates the need to configure a variety of different sizes of loading mechanisms, reduces costs, improves the adaptability of the loading mechanism, and is conducive to improving the transfer efficiency of the container.

[0010] Optionally, the load-bearing module includes two support rods, one cross beam, two first connecting rods, and several fixing members, where:

[0011] The two support rods are vertically spaced along the first direction. The first end of the cross beam is fixedly connected to the top of the first support rod through a fixing member, and the second end of the cross beam is fixedly connected to the top of the second support rod through a fixing member;

[0012] The two first connecting rods extend along the second direction. The first ends of the two first connecting rods are respectively connected to both ends of the cross beam through fixing members, and the second ends of the two first connecting rods are respectively connected to both ends of the cross beam of the adjacent load-bearing module through connecting members. The first direction is perpendicular to the second direction, and the second direction is the same as the length direction of the load-bearing mechanism.

[0013] Through the cooperative connection of two support rods, one cross beam, two first connecting rods, and several fixing members, a load-bearing module with a simple structure, low cost, and convenient disassembly and assembly is provided.

[0014] Optionally, the load-bearing module further includes two second connecting rods. The two second connecting rods extend along the second direction. The first ends of the two second connecting rods are respectively connected to the bottom ends of the two support rods through fixing members, and the second ends of the two second connecting rods are respectively connected to the bottom ends of the two support rods of the adjacent load-bearing module through connecting members.

[0015] By providing two second connecting rods and respectively fixing both ends of the two second connecting rods to the bottom ends of the two support rods of two adjacent load-bearing modules, the connection stability between two adjacent load-bearing modules is improved, and thus the overall bearing capacity and stable reliability of the load-bearing mechanism are improved.

[0016] Optionally, the load-bearing module further includes at least one auxiliary support rod extending along the second direction. The at least one auxiliary support rod is located between the two first connecting rods. The first end of the auxiliary support rod is fixedly connected to the cross beam through a connecting member, and the second end of the auxiliary support rod is fixedly connected to the cross beam of the adjacent load-bearing module through a connecting member.

[0017] By providing at least one auxiliary support rod between the two first connecting rods and connecting the first end of the auxiliary support rod to the cross beam and the second end to the cross beam of the adjacent load-bearing module, the connection stability between two adjacent load-bearing modules is further improved; meanwhile, it can also play an auxiliary supporting role for the container, further improving the overall bearing capacity and stable reliability of the load-bearing mechanism.

[0018] Optionally, cushion plates are installed on the upper surfaces of the first connecting rods and the auxiliary support rods, and the supporting surfaces of the cushion plates are on the same horizontal plane.

[0019] By installing backing plates on the upper surfaces of the first connecting rod and the auxiliary support rod and making the support surfaces of the backing plates lie on the same horizontal plane, the support strength of the first connecting rod and the auxiliary support rod is improved, and at the same time, stable support for the container can be ensured.

[0020] Optionally, flexible gaskets are installed on the upper end surfaces of the backing plates, and the bottom surface of the container is pressed against the flexible gaskets.

[0021] By installing flexible gaskets on the upper end surfaces of the backing plates, direct hard contact between the container and the backing plates is avoided, which can protect the container and prevent the container from being bruised or scratched when placed on the bearing mechanism.

[0022] Optionally, the support rod, the cross beam, the first connecting rod, the second connecting rod and the auxiliary support rod are all made of industrial aluminum profiles, and the connecting pieces are all right-angle connecting pieces matching the industrial aluminum profiles.

[0023] Through the settings of the support rod, the cross beam, the first connecting rod, the second connecting rod, the auxiliary support rod and the connecting pieces, a bearing mechanism that is easy to implement, convenient to disassemble and assemble and has good versatility is provided.

[0024] Optionally, a limiting component is arranged on the bearing mechanism, and the limiting component is configured to prevent and position the container on the bearing mechanism from slipping off on the bearing surface of the bearing mechanism.

[0025] By arranging the limiting component, the anti-slip positioning of the container on the bearing mechanism is realized, the container is prevented from falling off the bearing mechanism during the transfer process, and the safety of the transfer device is improved.

[0026] Optionally, the limiting component includes two groups of limiters. The two groups of limiters are respectively installed on the two outermost bearing modules of the bearing mechanism along the second direction. Each group of limiters includes two limiters, and each limiter is configured to limit one corner of the container. The second direction is the same as the length direction of the bearing mechanism.

[0027] By arranging two groups of limiters, and each group of limiters includes two limiters, the four corners of the container are limited, and a limiting component with a simple structure, stable and reliable positioning is provided.

[0028] Optionally, the transfer mechanism is an AGV cart, and the AGV cart includes a base, a power component and a lifting drive component, where:

[0029] The base is configured to carry the bearing mechanism. The length of the cross beam of each bearing module is greater than the width of the base, and the height of the support rod of each bearing module is greater than the height from the upper surface of the base to the ground;

[0030] The lifting drive assembly is configured to lift the base so that the bearing mechanism is disengaged from the ground, and the base is used to support the bearing mechanism, and the power assembly is configured to drive the base and the bearing mechanism supported by it to move to the target position;

[0031] The lifting drive assembly is further configured to lower the base so that the bottom end of the support rod of the bearing mechanism abuts against the ground at the target position, and the bearing mechanism is disengaged from the base.

[0032] Through the cooperation of the base, the power assembly and the lifting drive assembly, after lifting the bearing mechanism and disengaging the bearing mechanism from the ground, the bearing mechanism is moved to the target position; and after the bearing mechanism is moved to the target position, the base is lowered to disengage the bearing mechanism from the base and place the bearing mechanism on the ground at the target position, providing a transfer mechanism with stable transfer and high transfer efficiency. Description of the Drawings

[0033] Figure 1 is a schematic perspective view of a container transfer device provided by an embodiment of the present application;

[0034] Figure 2 is a schematic perspective view of a bearing mechanism of a container transfer device provided by an embodiment of the present application;

[0035] Figure 3 is Figure 2 a partial enlarged view of A in

[0036] Figure 4 is an assembly schematic view of a bearing mechanism of a container transfer device provided by an embodiment of the present application;

[0037] Figure 5 is an installation schematic view of a backing plate of a container transfer device provided by an embodiment of the present application;

[0038] Figure 6 is an exploded schematic view of the installation of a backing plate of a container transfer device provided by an embodiment of the present application.

[0039] Figures 1 to 6 It includes the following reference numerals:

[0040] Bearing mechanism 10: Bearing module 11, support rod 110, cross beam 111, first connecting rod 112, second connecting rod 113, auxiliary support rod 114, backing plate 115, flexible gasket 116, limiting member 12, first limiting member 120, second limiting member 121, mounting plate 13;

[0041] Transfer mechanism 20: Base 200;

[0042] Connecting member 30: First connecting portion 300, second connecting portion 301, connecting hole 302, fixing member 31. Detailed implementation manners

[0043] To make the above objects, features, and advantages of the present application more obvious and understandable, the present application will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0044] In order to achieve centralized management of energy storage battery packs, the battery packs will be stored in containers. Usually, automated container loading equipment is used to load the battery packs into the containers. However, since the battery pack production equipment and the containers are not in the same place, it is necessary to automatically transfer the containers to the loading position of the automated container loading equipment by a transfer device, and send away the containers filled with battery packs.

[0045] Existing transfer devices usually include an AGV cart and a carrying mechanism (usually a steel structure frame). The carrying mechanism is arranged on the AGV cart. The carrying mechanism is used to carry and clamp the container to be transported. Since there are many sizes of containers, the appropriate carrying mechanism will be installed on the AGV cart according to the container to be transported to achieve the transportation of containers of different sizes. This method results in the need to configure a variety of different carrying mechanisms, which not only leads to a large occupied space, but also requires the entire steel structure frame to be removed and a new one to be reinstalled every time the carrying mechanism is replaced, resulting in cumbersome operations.

[0046] Therefore, the present application proposes a container transfer device. Please refer to Figure 1 As shown, the container transfer device proposed in the embodiment of the present application includes a carrying mechanism 10 and a transfer mechanism 20. The carrying mechanism 10 includes a plurality of carrying modules 11. The plurality of carrying modules 11 are detachably assembled into one body by a connecting member 30. The assembled carrying modules 11 are configured to carry and fix a container. The transfer mechanism 20 is configured to support and suspend the carrying mechanism 10, and the transfer mechanism 20 is configured to drive the carrying mechanism 10 and the container carried by it to a target position.

[0047] It can be seen that the container transfer device provided by the present application realizes the automatic transfer of the container to the target position through the cooperation of the transfer mechanism 20 and the carrying mechanism 10. At the same time, the carrying mechanism 10 is composed of a plurality of carrying modules 11 assembled with each other, and can adapt to the carrying of containers of different sizes by adding or removing the carrying modules 11. This eliminates the need to configure a variety of different-sized carrying mechanisms 10, reduces costs, improves the adaptability of the carrying mechanism 10, and is conducive to improving the transfer efficiency of the container.

[0048] Please refer to Figure 1 、 Figure 2 and Figure 4 As shown, as an implementation manner, the carrying module 11 includes two support rods 110, one cross beam 111, two first connecting rods 112, and a plurality of fixing members 31. The two support rods 110 are along the first direction (Figure 1 vertically spaced in the X direction), the first end of the cross beam 111 is fixedly connected to the top of the first support rod 110 through a fixing member 31, and the second end of the cross beam 111 is fixedly connected to the top of the second support rod 110 through a fixing member 31; the two first connecting rods 112 extend along the second direction ( Figure 4 in the Y direction in it), the first ends of the two first connecting rods 112 are respectively connected to both ends of the cross beam 111 through fixing members 31, and the second ends of the two first connecting rods 112 are respectively connected to both ends of the cross beam 111 of the adjacent load-bearing module 11 through connecting members 30. The first direction is perpendicular to the second direction, and the second direction is the same as the length direction of the load-bearing mechanism 10.

[0049] It can be seen that through the cooperative connection of the two support rods 110, one cross beam 111, two first connecting rods 112 and several fixing members 31, a load-bearing module 11 with a simple structure, low cost, and convenient disassembly and assembly is provided.

[0050] As an implementation manner, the load-bearing module 11 further includes two second connecting rods 113. The two second connecting rods 113 extend along the second direction. The first ends of the two second connecting rods 113 are respectively connected to the bottom ends of the two support rods 110 through fixing members 31, and the second ends of the two second connecting rods 113 are respectively connected to the bottom ends of the two support rods 110 of the adjacent load-bearing module 11 through connecting members 30.

[0051] It can be seen that by providing two second connecting rods 113 and fixing the two ends of the two second connecting rods 113 to the bottom ends of the two support rods 110 of the adjacent two load-bearing modules 11 respectively, the connection stability between the adjacent two load-bearing modules 11 is improved, and further the overall bearing capacity and stable reliability of the load-bearing mechanism 10 are improved.

[0052] As an implementation manner, the load-bearing module 11 further includes at least one auxiliary support rod 114 extending along the second direction. The at least one auxiliary support rod 114 is located between the two first connecting rods 112. The first end of the auxiliary support rod 114 is fixedly connected to the cross beam 111 through a connecting member 30, and the second end of the auxiliary support rod 114 is fixedly connected to the cross beam 111 of the adjacent load-bearing module 11 through a connecting member 30.

[0053] Specifically, the load-bearing module 11 includes multiple auxiliary support rods 114, and the multiple auxiliary support rods 114 are equidistantly spaced between the two first connecting rods 112.

[0054] It can be seen that by providing at least one auxiliary support rod 114 between two first connecting rods 112, connecting the first end of the auxiliary support rod 114 to the cross beam 111, and connecting the second end to the cross beam 111 of the adjacent load-bearing module 11, the connection stability between two adjacent load-bearing modules 11 is further improved; meanwhile, it can also play an auxiliary supporting role for the container, further enhancing the overall bearing capacity and stability reliability of the bearing mechanism 10.

[0055] Please refer to Figure 2 、 Figures 4 to 6 As shown, as an implementation manner, cushion plates 115 are installed on the upper surfaces of the first connecting rods 112 and the auxiliary support rods 114, and the supporting surfaces of the respective cushion plates 115 are on the same horizontal plane.

[0056] It can be seen that by installing the cushion plates 115 on the upper surfaces of the first connecting rods 112 and the auxiliary support rods 114 and making the supporting surfaces of the respective cushion plates 115 on the same horizontal plane, the supporting strength of the first connecting rods 112 and the auxiliary support rods 114 is improved, and at the same time, stable support for the container can be ensured.

[0057] As an implementation manner, cushion plates 115 are also installed on the upper surfaces of all or part of the cross beams 111, and the supporting surfaces of the respective cushion plates 115 are on the same horizontal plane. By installing the cushion plates 115 on the cross beams 111, the supporting strength of the cross beams 111 is improved.

[0058] Specifically, the cushion plates 115 are horizontally and detachably fixed to the corresponding first connecting rods 112, auxiliary support rods 114 or cross beams 111 by fixing screws.

[0059] As an implementation manner, flexible gaskets 116 are installed on the upper end surfaces of the cushion plates 115, and the bottom surface of the container is pressed against the flexible gaskets 116.

[0060] It can be seen that by installing the flexible gaskets 116 on the upper end surfaces of the cushion plates 115, direct hard contact between the container and the cushion plates 115 is avoided, which can protect the container and prevent the container from being bruised or scratched when placed on the bearing mechanism 10. It can also prevent the container from damaging the cushion plates 115.

[0061] As an implementation manner, the support rods 110, cross beams 111, first connecting rods 112, second connecting rods 113 and auxiliary support rods 114 are all made of industrial aluminum profiles, and the connectors 30 are all right-angle connectors matching the industrial aluminum profiles.

[0062] Specifically, the fixing members 31 are also all right-angle connectors matching the industrial aluminum profiles.

[0063] Specifically, the right-angle connector includes a first connecting portion 300 and a second connecting portion 301. The first connecting portion 300 and the second connecting portion 301 are perpendicularly arranged. Connecting holes 302 are provided on both the first connecting portion 300 and the second connecting portion 301. Threaded holes are provided on the corresponding two industrial aluminum profiles in cooperation with the connecting holes 302. Fixing screws respectively pass through the connecting holes 302 of the first connecting portion 300 and the second connecting portion 301 and are locked in the threaded holes on the corresponding industrial aluminum profiles to fixedly connect the two industrial aluminum profiles to be connected.

[0064] It can be seen that by setting the support rod 110, the cross beam 111, the first connecting rod 112, the second connecting rod 113, the auxiliary support rod 114 and the connector 30, a loading mechanism 10 that is easy to implement, convenient to disassemble and assemble, and has good versatility is provided.

[0065] Please refer to Figure 1 and Figure 3 As shown, as an implementation manner, a limiting component is provided on the loading mechanism 10. The limiting component is configured to prevent the container on the loading mechanism 10 from slipping off and position it on the loading surface of the loading mechanism 10.

[0066] It can be seen that by setting the limiting component, the anti-slip positioning of the container on the loading mechanism 10 is realized, the container is prevented from falling off the loading mechanism 10 during the transfer process, and the safety of the transfer device is improved.

[0067] Please refer to the figure shown. As an implementation manner, the limiting component includes two groups of limiters 12. The two groups of limiters 12 are respectively installed on the two outermost loading modules 11 of the loading mechanism 10 along the second direction. Each group of limiters 12 includes two limiters 12. Each limiter 12 is configured to limit one corner of the container. The second direction is the same as the length direction of the loading mechanism 10.

[0068] Specifically, mounting plates 13 are fixed at the four corners of the loading mechanism 10. One limiter 12 is installed on each mounting plate 13. Each limiter 12 includes a first limiter 120 and a second limiter 121. The limiting surface of the first limiter 120 extends along the first direction, and the limiting surface of the second limiter 121 extends along the second direction. Through the cooperation of the first limiter 120 and the second limiter 121, one corner of the container is limited.

[0069] It can be seen that by setting two groups of limiters 12, and each group of limiters 12 includes two limiters 12, the four corners of the container are limited, and a limiting component with a simple structure, stable and reliable positioning is provided.

[0070] Please refer to Figure 1As shown in the figure, as an implementation manner, the transfer mechanism 20 is an AGV cart, and the AGV cart includes a base 200, a power assembly, and a lifting drive assembly, where: the base 200 is configured to carry the carrying mechanism 10, the cross beam length of each carrying module 11 is greater than the width of the base 120, and the height of the support rod 110 of each carrying module 11 is greater than the height from the upper surface of the base 200 to the ground; the lifting drive assembly is configured to lift the base 200 so that the carrying mechanism 10 is separated from the ground, and the carrying mechanism 10 is lifted by the base 200, and the power assembly is configured to drive the base 200 and the carrying mechanism 10 carried by it to move to the target position; the lifting drive assembly is further configured to lower the base 200 so that the bottom end of the support rod 110 of the carrying mechanism 10 abuts against the ground at the target position, and the carrying mechanism 10 is separated from the base 200.

[0071] It can be seen that through the cooperation of the base 200, the power assembly, and the lifting drive assembly, after lifting the carrying mechanism 10 and separating the carrying mechanism 10 from the ground, the carrying mechanism 10 is then moved to the target position; and after the carrying mechanism 10 is transferred to the target position, the base 200 is lowered to separate the carrying mechanism 10 from the base 200 and place the carrying mechanism 10 on the ground at the target position, providing a transfer mechanism 20 with stable transfer and high transfer efficiency.

[0072] The container transfer device proposed in the embodiment of the present application has the following advantages:

[0073] 1) The carrying mechanism is assembled by a number of carrying modules, and the carrying modules can be added or removed to adapt to the carrying of containers of different sizes, improving the adaptability of the carrying mechanism and reducing the equipment investment cost;

[0074] 2) The overall structure of the carrying module is simple, with strong bearing capacity and convenient disassembly and assembly;

[0075] 3) Through the limiting component, the container on the carrying mechanism is anti-detached and positioned on the carrying surface of the carrying mechanism, avoiding the container from falling off the carrying mechanism during the transfer process and improving the safety of the transfer device;

[0076] 4) The transfer mechanism has good stability in transferring the carrying mechanism and high transfer efficiency.

[0077] The above embodiments only illustrate the basic principles and characteristics of the present application. The present application is not limited by the above examples. Without departing from the spirit and scope of the present application, there are various changes and modifications to the present application, and these changes and modifications all fall within the scope of the present application claimed. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A container transfer device, characterized in that: The container transfer device comprises a carrying mechanism and a transfer mechanism, wherein: The bearing mechanism includes a plurality of bearing modules, which are detachably assembled into one body through connecting pieces, and the assembled bearing modules are configured to bear and fix a container; The transfer mechanism is configured to support and suspend the carrying mechanism, and the transfer mechanism is configured to drive the carrying mechanism and the container supported by it to a target position.

2. The container transfer device according to claim 1, characterized in that: The bearing module comprises two support rods, a crossbeam, two first connecting rods and a plurality of fixing members, wherein: The two support rods are vertically spaced apart in a first direction, the first end of the crossbeam is fixedly connected to the top of the first support rod through a fixing member, and the second end of the crossbeam is fixedly connected to the top of the second support rod through a fixing member; The two first connecting rods extend along the second direction, the first ends of the two first connecting rods are respectively connected to the two ends of the beam through fixing members, the second ends of the two first connecting rods are respectively connected to the two ends of the beam of the adjacent bearing module through connecting members, the first direction is perpendicular to the second direction, and the second direction is in the same direction as the length direction of the bearing mechanism.

3. The container transfer device according to claim 2, characterized in that: The supporting module also includes two second connecting rods, which extend along the second direction. The first ends of the two second connecting rods are respectively connected to the bottom ends of the two support rods through fixing members, and the second ends of the two second connecting rods are respectively connected to the bottom ends of the two support rods of the adjacent supporting modules through connecting members.

4. The container transfer device according to claim 3, characterized in that: The load-bearing module also includes at least one auxiliary support rod extending along the second direction, the at least one auxiliary support rod is located between the two first connecting rods, the first end of the auxiliary support rod is fixedly connected to the crossbeam through a connecting piece, and the second end of the auxiliary support rod is fixedly connected to the adjacent crossbeam of the load-bearing module through a connecting piece.

5. The container transfer device according to claim 4, characterized in that: Pads are installed on the upper surfaces of the crossbeam, the first connecting rod and the auxiliary supporting rod, and the supporting surfaces of the pads are on the same horizontal plane.

6. The container transfer device according to claim 5, characterized in that: A flexible gasket is installed on the upper end surface of the pad, and the bottom surface of the container is pressed against the flexible gasket.

7. The container transfer device according to claim 4, characterized in that: The support rod, the crossbeam, the first connecting rod, the second connecting rod and the auxiliary support rod are all made of industrial aluminum profiles, and the connecting pieces are all right-angle connecting pieces matching the industrial aluminum profiles.

8. The container transfer device according to claim 1, characterized in that: The bearing mechanism is provided with a limit assembly, and the limit assembly is configured to prevent the container on the bearing mechanism from falling off and position it on the bearing surface of the bearing mechanism.

9. The container transfer device according to claim 8, characterized in that: The limiting assembly includes two groups of limiting members, which are respectively installed on the two outermost bearing modules of the bearing mechanism along the second direction. Each group of limiting members includes two limiting members, and each limiting member is configured to limit a corner of the container. The second direction is in the same direction as the length direction of the bearing mechanism.

10. The container transfer device according to claim 2, characterized in that: The transfer mechanism is an AGV trolley, which includes a base, a power assembly and a lifting drive assembly, wherein: The base is configured to carry the carrying mechanism, the length of the crossbeam of each carrying module group is greater than the width of the base, and the height of the support rod of each carrying module group is greater than the height from the upper surface of the base to the ground; The lifting drive assembly is configured to lift the base to lift the carrying mechanism off the ground and to lift the carrying mechanism through the base, and the power assembly is configured to drive the base and the carrying mechanism lifted by the base to move to a target position; The lifting drive assembly is also configured to lower the base so that the bottom end of the support rod of the carrying mechanism abuts against the ground at the target position and the carrying mechanism is separated from the base.

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