CN219296645U - Flexible buffer device for loading equipment - Google Patents

Abstract

The utility model discloses a flexible buffer device for loading equipment, which comprises a connecting platform and a loading platform connected below the connecting platform through a plurality of floating mechanisms which are longitudinally arranged, wherein at least one side of the connecting platform and at least one side of the loading platform are provided with swinging mechanisms, and the swinging mechanisms comprise: a swing shaft; the first connecting assembly comprises a first connecting structure connected with the side part of the connecting platform and a hinge shaft transversely arranged on the first connecting structure; the second connecting assembly comprises a second connecting structure connected with the side part of the load platform and a universal movable piece arranged on the second connecting structure, the upper part of the swinging shaft is rotatably connected with the first connecting structure through a hinge shaft, and the lower part of the swinging shaft is in telescopic connection with the universal movable piece. The flexible buffer device is provided with the swing mechanism, so that the deflection amplitude of the load platform relative to the connecting platform is reduced while the load platform is ensured to have floating light flexibility, severe shaking or dust raising is avoided, the practicability is strong, and the application range is wide.

Description

Flexible buffer device for loading equipment

Technical Field

The utility model relates to the field of automatic loading, in particular to a flexible buffer device for loading equipment.

Background

At present in production workshops such as chemical industry, grain and oil, generally adopt manpower cooperation automatic loading robot to carry, pile up neatly, operation such as loading, flexible buffer sets up generally between automatic loading robot's mobile device and cargo clamp, including the fixed plate that links to each other with mobile device and the fly leaf that links to each other with cargo clamp, be connected through a plurality of floating structure between this fly leaf and the fixed plate, make the fly leaf have the light flexibility of floating, fly leaf and cargo clamp can relative fixed plate and mobile device free-floating deflection, thereby make things convenient for the staff to freely drag cargo clamp auxiliary robot loading and unloading goods in certain angle range, carry out certain buffering to its inertial effort at cargo horizontal migration in-process simultaneously, the reduction packet rate, can also guarantee that the relative position between cargo clamp and the mobile device is relatively fixed, the convenience is moved cargo clamp to the target position.

The floating deflection amplitude of the movable plate in the conventional flexible buffer device relative to the fixed plate is larger, and the flexible buffer device is not suitable for being used in production workshops with serious ash falling of cement, fertilizer, flour and the like, so that a flexible buffer device with smaller deflection amplitude is urgently needed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the flexible buffer device for the loading equipment, which is provided with the swinging mechanism, so that the deflection amplitude of the loading platform relative to the connecting platform can be reduced while the floating light flexibility of the loading platform is ensured, the severe shaking or dust raising is avoided, the practicability is strong, and the application range is wide.

The technical scheme of the utility model is as follows:

a flexible buffer device for loading equipment, comprising a connecting platform and a loading platform connected below the connecting platform through a plurality of floating mechanisms which are longitudinally arranged, wherein at least one side of the connecting platform and the loading platform is provided with a swinging mechanism, the swinging mechanism comprises a swinging shaft, a first connecting component and a second connecting component, and the swinging shaft is longitudinally arranged; the first connecting assembly comprises a first connecting structure connected with the side part of the connecting platform and a hinge shaft transversely arranged on the first connecting structure, and the upper part of the hinge shaft is rotatably connected with the first connecting structure through the hinge shaft; the second connecting assembly comprises a second connecting structure connected with the side part of the load platform and a universal movable piece arranged on the second connecting structure, and the lower part of the swinging shaft is in telescopic connection with the universal movable piece.

Preferably, the first connecting structure comprises a connecting plate and an adapter plate arranged on the connecting plate, the connecting plate is formed by extending outwards from the side part of the connecting platform, and the hinge shaft is arranged on the adapter plate.

Preferably, the adapter plate is mounted on the upper side of the connecting plate, a swinging groove is formed in the connecting plate in a penetrating mode, the length direction of the swinging groove is perpendicular to the hinge shaft, and the swinging shaft can swing around the hinge shaft in the swinging groove along the length direction of the swinging groove.

Preferably, guide planes are respectively arranged on the connecting plates at two sides of the length direction of the swing groove, limit planes are respectively arranged at two sides of the swing shaft corresponding to one guide plane, and the limit planes are arranged in parallel with the guide planes.

Preferably, a concave cambered surface is arranged on the connecting plate at one end of the length direction of the swinging groove, one side of the swinging shaft is provided with an outer convex cambered surface corresponding to the concave cambered surface, the concave cambered surface and the outer convex cambered surface are arranged at intervals, and the guide plane and the limit plane are arranged at intervals.

Preferably, a first connecting channel is longitudinally arranged in the middle of the adapter plate, hinge holes are transversely formed in the adapter plates on two sides of the first connecting channel in a penetrating mode, two ends of the hinge shaft are respectively arranged on the two hinge holes in a penetrating mode, and the upper end face of the hinge shaft is located in the first connecting channel and is arranged at intervals with the upper surface of the adapter plate.

Preferably, the hinge shaft is located at the outer side of the connection platform and is arranged in parallel with the side part of the connection platform, and the outer end of the swing groove in the length direction is in an open structure.

Preferably, the second connection structure is formed by outwards extending a side part of the load platform, a second connection channel is longitudinally arranged in the middle of the second connection structure in a penetrating manner, the universal movable part comprises a first bearing arranged in the second connection channel and a second bearing connected in the first bearing through a spherical hinge, a telescopic channel is longitudinally arranged in the middle of the second bearing in a penetrating manner, the lower part of the swinging shaft is sleeved in the telescopic channel, the lower end of the swinging shaft is outwards extended to form a limiting edge, the limiting edge is positioned outside the telescopic channel, and the upper side of the limiting edge can abut against the lower end face of the second bearing.

Preferably, a limiting convex ring is arranged on the upper end face of the second connecting structure around the second connecting channel, and the inner diameter of the limiting convex ring is smaller than the outer diameter of the first bearing and larger than the inner diameter of the first bearing.

Preferably, the connecting platform and the load platform are arranged to be square plate structures, the number of the floating mechanisms is four, the floating mechanisms are respectively arranged close to four corners of the square plate, and the swinging mechanism is arranged at the middle position of one side of the length direction of the square plate.

According to the flexible buffer device disclosed by the utility model, the swing mechanism is arranged on at least one side of the connecting platform and the load platform, so that the free floating deflection direction of the load platform is restrained to a certain extent, the deflection amplitude of the load platform relative to the connecting platform is reduced, severe shaking or dust raising is avoided, the practicability is strong, and the application range is wide. The swing mechanism comprises a swing shaft which is longitudinally arranged, a first connecting component which is connected with the connecting platform, and a second connecting component which is connected with the load platform, wherein the upper part of the swing shaft is rotatably connected with the first connecting platform through a hinge shaft which is transversely arranged on the first connecting component, so that the swing shaft and the load platform are limited to radially float and deflect at the hinge shaft, the swing shaft and the load platform are restrained in the axial floating and deflect range of the hinge shaft, the deflection range of the swing shaft and the load platform is further reduced, the reliability of rigid restraint through the hinge shaft is high, the swing mechanism is economical and durable, the lower part of the swing shaft is in telescopic connection with a universal movable part which is arranged on the load platform, the load platform can freely float and deflect relative to the swing shaft through the universal movable part, the load platform is ensured to have floating light flexibility, meanwhile, the load platform can be moved towards the direction close to the connecting platform through the universal movable part under the upward supporting force, the load under the light and gentle placement can be prevented from the structural integrity of the load under the load, and the strong impact is avoided.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a flexible buffer device according to an embodiment of the present utility model.

Fig. 2-3 are partially exploded views of a flexible buffer device according to an embodiment of the present utility model.

Fig. 4 is an exploded view of a gimbal assembly according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a swing shaft according to an embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view of a swing mechanism according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a flexible buffer device according to an embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact, but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1, as an embodiment of the present utility model, a flexible buffer device for a loading apparatus is disclosed, which can be used between a moving device of an automatic loading robot and a cargo clamp provided in a production plant, particularly in a production plant where some cement, fertilizer, flour, etc. are seriously fallen ash. The flexible buffer device comprises a connecting platform 1 and a load platform 2 connected below the connecting platform 1 through a plurality of floating mechanisms 3 which are longitudinally arranged, wherein one side of the connecting platform 1 and one side of the load platform 2 are provided with a swinging mechanism 4, the swinging mechanism 4 comprises a first connecting component 41, a second connecting component 42 and a swinging shaft 43 which are longitudinally arranged, the first connecting component 41 comprises a first connecting structure 411 connected with the side part of the connecting platform 1 and a hinge shaft 412 transversely arranged on the first connecting structure 411, and the second connecting component 42 comprises a second connecting structure 421 connected with the side part of the load platform 2 and a universal movable piece 422 arranged on the second connecting structure 421. The upper portion of the swinging shaft 43 is rotatably connected with the first connecting structure 411 through the hinge shaft 412, so that the swinging shaft 43 and the load platform 2 are limited to radially float and deflect at the hinge shaft 412, the axial floating deflection amplitude of the swinging shaft 43 and the load platform 2 at the hinge shaft 412 is restrained, the deflection amplitude is further reduced, severe shaking or dust raising is avoided, the practicability is high, the application range is wide, and the reliability of rigid restraint through the hinge shaft 412 is high, and the device is economical and durable. The lower part of the swinging shaft 43 is in telescopic connection with the universal movable piece 422, so that the load platform 2 can freely float and deflect relative to the swinging shaft 43 through the universal movable piece 422, the load platform 2 is ensured to have floating light flexibility, meanwhile, the load platform 2 can move towards the direction close to the connecting platform 1 along the swinging shaft 43 through the universal movable piece 422 under the upward supporting force of devices such as goods clamps and the like connected below the load platform, and the buffer effect is achieved on the upward supporting force, thereby achieving the effect of longitudinal buffer when the goods clamps are converted from a suspension state to a placing state on a medium such as goods, an operation table or the ground, being capable of gently and slowly placing the goods clamps and the goods and the like below the load platform, protecting the structural integrity of the goods clamps and the goods and the like below the load platform, and avoiding violent impact. In this embodiment, the swing mechanism 4 is disposed on one side of the connection platform 1 and the load platform 2, so that the free floating deflection direction of the load platform 2 is constrained from one side, and the deflection amplitude of the load platform 2 relative to the connection platform 1 is reduced, however, in other embodiments, the swing mechanism 4 may be disposed on multiple sides of the connection platform 1 and the load platform 2, so that the free floating deflection direction of the load platform 2 is constrained from multiple sides, and the deflection amplitude of the load platform 2 relative to the connection platform 1 is further reduced.

As shown in fig. 2-3, in some embodiments, the first connection structure 411 includes a connection board 4111 and a adaptor board 4112 mounted on the connection board 4111, the connection board 4111 is formed by extending outwards from a side portion of the connection platform 1, that is, the connection board 4111 and the connection platform 1 are configured as an integral structure, the connection is stable and firm, the hinge shaft 412 is mounted on the adaptor board 4112, and the hinge shaft 412 and the adaptor board 4112 can be connected or detached as a whole with the connection board 4111, so as to facilitate assembly and disassembly.

In some embodiments, the adaptor plate 4112 is mounted on the upper side of the connection plate 4111, a plurality of connection holes are longitudinally penetrating through the periphery of the adaptor plate 4112, mounting holes corresponding to the connection holes are formed on the upper side of the connection plate 4111, the adaptor plate 4112 is connected with the connection plate 4111 by penetrating through the connection holes and the mounting holes through fasteners such as screws, and the bottom surface of the adaptor plate 4112 abuts against the top surface of the connection plate 4111. The connecting plate 4111 is provided with the swing groove 4113 in a penetrating manner, the length direction of the swing groove 4113 is perpendicular to the hinge shaft 412, the swing shaft 43 can swing around the hinge shaft 412 in the length direction of the swing groove in the swing groove 4113, the swing shaft 43 and the load platform 2 are further restrained in the axial and radial floating deflection amplitude of the hinge shaft 412 through the swing groove 4113, the restrained reliability is stronger, the hinge shaft 412 can be prevented from directly bearing larger torque of the swing shaft 43, and the service life of the hinge shaft 412 is prolonged.

As shown in fig. 3, in some embodiments, guide planes 4114 are respectively disposed on the connecting plates 4111 at two sides of the swing groove 4113 in the length direction, two sides of the swing shaft 43 are respectively provided with a limiting plane 431 corresponding to one guide plane 4114, the limiting planes 431 are arranged parallel to the guide planes 4114, and the arrangement of the limiting planes 431 and the guide planes 4114 can increase the contact area between the swing shaft 43 and the connecting plates 4111, so that the limiting of the swing shaft 43 in the axial direction of the hinge shaft 412 is more stable.

In some embodiments, the connecting plate 4111 at one end of the swing groove 4113 in the length direction is provided with a concave arc surface 4115, one side of the swing shaft 43 is provided with a convex arc surface 432 corresponding to the concave arc surface 4115, and the arrangement of the convex arc surface 432 and the concave arc surface 4115 can increase the contact area between the swing shaft 43 and the connecting plate 4111, so that the limit of the swing shaft 43 in the radial direction of the hinge shaft 412 is more stable. The concave arc surface 4115 and the convex arc surface 432 are arranged at intervals, and the guiding plane 4114 and the limiting plane 431 are arranged at intervals, so that a certain floating deflection space is reserved for the deflection movement of the swinging shaft 43 in the axial direction and the radial direction of the hinge shaft 412, and the load platform 2 is ensured to have floating light flexibility.

In some embodiments, a first connecting channel 4116 is longitudinally disposed in the middle of the adaptor plate 4112, and the upper end of the swing shaft 43 is located in the first connecting channel 4116, where the first connecting channel 4116 can constrain the deflection amplitude of the swing shaft 43 in the axial direction and the radial direction of the hinge shaft 412, so as to further enhance the reliability of the constraint. The adaptor plates 4112 on two sides of the first joint channel 4116 are transversely provided with hinge holes 4117 in a penetrating manner, two ends of the hinge shaft 412 are respectively arranged on the two hinge holes 4117 in a penetrating manner, the two ends of the hinge shaft 412 protrude out of the two hinge holes 4117, the two ends of the hinge shaft protrude out of the two hinge holes 4117 to be limited on the adaptor plates 4112 through a first limiting piece and a second limiting piece, the first limiting piece and the hinge shaft 412 are integrally arranged to form a pin, the second limiting piece is arranged to be a pin bolt, and the hinge shaft is simple and practical in structure and convenient to assemble and disassemble. The upper end surface of the swinging shaft 43 is located in the first connecting channel 4116 and is spaced from the upper surface and the inner wall of the adapter plate 4112, so that a certain floating deflection space is reserved for the deflection movement of the swinging shaft 43 in the axial direction and the radial direction of the hinge shaft 412, and the load platform 2 is ensured to have floating light flexibility. In this embodiment, the first connecting channel 4116 is disposed through the upper and lower ends of the adaptor plate 4112 for assembly, and in other embodiments, the first connecting channel 4116 may not be disposed through the upper end of the adaptor plate 4112, and may also be used to accommodate the upper end of the swing shaft 43.

As shown in fig. 1, in some embodiments, the hinge shaft 412 is located outside the connection platform 1 and is arranged parallel to the side of the connection platform 1, so as to be capable of restraining the deflection amplitude of the swinging shaft 43 and the load platform 2 in the parallel direction, and at this time, the swinging mechanism 4 is arranged on the side of the connection platform 1 and the load platform 2 in the vertical direction of the restraining direction, that is, on the side of the load platform 2 capable of deflecting by a relatively large amplitude, so that the space occupation on the side of the flexible buffer device in the restrained direction is reduced, and the flexible buffer device is advantageously installed in a narrower area. The outer end of the swing groove 4113 in the length direction is provided with an open structure, and the restriction of the swing shaft 43 in the direction of the open structure is reduced, so that the length of the swing groove 4113 can be set shorter, the space occupation is reduced, and the material is saved. Of course, in other embodiments, the hinge shaft 412 may be disposed perpendicular to the side of the connection platform 1, and the amplitude of deflection of the swing shaft 43 and the load platform 2 in the perpendicular direction may be restrained.

As shown in fig. 3-4, in some embodiments, the second connection structure 421 is formed by extending a side portion of the load platform 2 outwards, that is, the second connection structure 421 and the load platform 2 are provided as a unitary structure, and the connection is stable and firm. The middle of the second connecting structure 421 longitudinally penetrates through the second connecting channel 4211, the universal movable piece 422 comprises a first bearing 4221 fixedly arranged in the second connecting channel 4211 and a second bearing 4222 connected in the first bearing 4221 in a spherical hinge mode, the second bearing 4222 can freely rotate relative to the first bearing 4221, a telescopic channel 4223 is longitudinally penetrated through the middle of the second bearing 4222, the lower portion of the swinging shaft 43 is sleeved in the telescopic channel 4223, the lower end of the swinging shaft 43 outwards extends to form a limiting edge 433, the limiting edge 433 is located outside the telescopic channel 4223, and the upper side of the limiting edge 433 can abut against the lower end face of the second bearing 4222.

As shown in fig. 3, in some embodiments, a limiting convex ring 4212 is disposed on an upper end surface of the second connecting structure 421 around the second connecting channel 4211, an inner diameter of the limiting convex ring 4212 is smaller than an outer diameter of the first bearing 4221 and larger than an inner diameter of the first bearing 4221, a bottom surface of the limiting convex ring 4212 abuts against an outer portion of a top surface of the first bearing 4221, the first bearing 4221 is prevented from being separated from an upper end of the second connecting channel 4211, and an inner wall of the limiting convex ring 4212 and an inner wall of the first bearing 4221 are arranged at intervals to form a floating space for free floating deflection of the swing shaft 43 in the inner space, so that floating light flexibility of the load platform 2 is ensured.

As shown in fig. 7, in some embodiments, the connection platform 1 and the load platform 2 are provided in a square plate body structure, the floating mechanisms 3 are provided in four, respectively arranged near four corners of the square plate body, and the swinging mechanism 4 is arranged at an intermediate position on one side in the length direction of the square plate body. The floating mechanism 3 comprises a first universal rotating piece 31 arranged on the connecting platform 1, a second universal rotating piece 32 arranged on the load platform 2 and a floating shaft 33 with two ends respectively connected with the first universal rotating piece 31 and the second universal rotating piece 32, wherein the first universal rotating piece 31 and the second universal rotating piece 32 are arranged to be members with the same structure as the universal movable piece 422, the upper end of the floating shaft 33 is fixedly connected with the first universal rotating piece 31 in an axial direction, the lower end of the floating shaft 33 is connected with the second universal rotating piece 32 in an axial telescopic manner, and the upper end and the lower end of the floating shaft 33 can be respectively and freely floated and deflected relative to the connecting platform 1 and the load platform 2.

In some embodiments, the outer part of the floating shaft 33 is sleeved with a reset piece 34, the upper end and the lower end of the reset piece 34 are respectively propped against the connecting platform 1 and the load platform 2, and are used for resetting after the floating deflection movement of the floating shaft 33, so that the relative position between the load platform 2 and the connecting platform 1 is ensured to be relatively fixed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (13)

1. A flexible buffer device for a loading apparatus, comprising a connection platform and a load platform connected below the connection platform by a plurality of longitudinally arranged floating mechanisms, at least one side of the connection platform and the load platform being provided with a swinging mechanism comprising:

a swing shaft longitudinally arranged;

the first connecting assembly comprises a first connecting structure connected with the side part of the connecting platform and a hinge shaft transversely arranged on the first connecting structure, and the upper part of the hinge shaft is rotatably connected with the first connecting structure through the hinge shaft;

the second connecting assembly comprises a second connecting structure connected with the side part of the load platform and a universal movable piece arranged on the second connecting structure, and the lower part of the swinging shaft is in telescopic connection with the universal movable piece.

2. The flexible cushioning device of claim 1, wherein: the first connecting structure comprises a connecting plate and an adapter plate arranged on the connecting plate, the connecting plate is formed by outwards extending the side part of the connecting platform, and the hinge shaft is arranged on the adapter plate.

3. The flexible cushioning device of claim 2, wherein: the adapter plate is arranged on the upper side of the connecting plate, a swinging groove is penetrated through the connecting plate, the length direction of the swinging groove is perpendicular to the hinge shaft, and the swinging shaft can swing around the hinge shaft in the swinging groove along the length direction of the swinging groove.

4. A flexible cushioning device as set forth in claim 3 wherein: guide planes are respectively arranged on the connecting plates at two sides of the length direction of the swing groove, limiting planes are respectively arranged at two sides of the swing shaft corresponding to one guide plane, and the limiting planes are arranged in parallel with the guide planes.

5. The flexible cushioning device of claim 4, wherein: the connecting plate of swing groove length direction one end is provided with the indent cambered surface, one side of oscillating axle sets up to the evagination cambered surface corresponding with the indent cambered surface, indent cambered surface and evagination cambered surface interval arrangement, guide plane and spacing plane interval arrangement.

6. The flexible cushioning device of claim 5, wherein: the middle of the adapter plate is longitudinally provided with a first connecting channel, the adapter plates on two sides of the first connecting channel are transversely penetrated and provided with hinge holes, two ends of the hinge shaft are respectively penetrated and arranged on the two hinge holes, and the upper end face of the hinge shaft is positioned in the first connecting channel and is arranged at intervals with the upper surface of the adapter plate.

7. A flexible buffer means according to any of claims 3-6, characterized in that: the hinge shaft is located in the outer side of the connecting platform and is arranged in parallel with the side part of the connecting platform, and the outer end of the swing groove in the length direction is of an open structure.

8. The flexible cushioning device of claim 7, wherein: the second connection structure is formed by outwards extending one side of the load platform, the middle of the second connection structure longitudinally penetrates through to be provided with a second connection channel, the universal movable piece comprises a first bearing arranged in the second connection channel and a second bearing connected in the first bearing through a spherical hinge, a telescopic channel is longitudinally penetrated through in the middle of the second bearing, the lower part of the swinging shaft is sleeved in the telescopic channel, the lower end of the swinging shaft is outwards extended to form a limit edge, the limit edge is located outside the telescopic channel, and the upper side of the limit edge can be propped against the lower end face of the second bearing.

9. The flexible cushioning device of claim 8, wherein: the upper end face of the second connecting structure surrounds the second connecting channel, and a limiting convex ring is arranged on the upper end face of the second connecting structure.

10. The flexible cushioning device of claim 9, wherein: the connecting platform and the load platform are arranged to be square plate structures, the floating mechanisms are arranged to be four, the four angles of the square plate structures are respectively close to the four angles of the square plate structures, and the swinging mechanisms are arranged at the middle positions of one side of the length direction of the square plate structures.

11. The flexible buffer means of any of claims 1-6, wherein: the second connection structure is formed by outwards extending one side of the load platform, the middle of the second connection structure longitudinally penetrates through to be provided with a second connection channel, the universal movable piece comprises a first bearing arranged in the second connection channel and a second bearing connected in the first bearing through a spherical hinge, a telescopic channel is longitudinally penetrated through in the middle of the second bearing, the lower part of the swinging shaft is sleeved in the telescopic channel, the lower end of the swinging shaft is outwards extended to form a limit edge, the limit edge is located outside the telescopic channel, and the upper side of the limit edge can be propped against the lower end face of the second bearing.

12. The flexible cushioning device of claim 11, wherein: the upper end face of the second connecting structure surrounds the second connecting channel, and a limiting convex ring is arranged on the upper end face of the second connecting structure.

13. The flexible cushioning device of claim 12, wherein: the connecting platform and the load platform are arranged to be square plate structures, the floating mechanisms are arranged to be four, the four angles of the square plate structures are respectively close to the four angles of the square plate structures, and the swinging mechanisms are arranged at the middle positions of one side of the length direction of the square plate structures.

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