CN210707340U

CN210707340U - Floating platform without lateral force

Info

Publication number: CN210707340U
Application number: CN201920988834.6U
Authority: CN
Inventors: 肖申; 牟东; 叶庆丰; 孙庆; 吴小平
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-06-09
Anticipated expiration: 2029-06-27

Abstract

The utility model provides a floating platform without lateral force, which comprises a fixed base plate, a floating column body and a clamping mechanism body; the floating column body is connected with the fixed substrate and the floating substrate; the clamping mechanism body is arranged between the fixed substrate and the floating substrate; wherein; the fixed substrate is used for forming a fixed foundation of the battery replacement platform; the floating substrate is used for bearing the battery component; the floating column body is used for floating and supporting the floating substrate so that the floating substrate can float up and down and float horizontally relative to the fixed substrate; the clamping mechanism body is used for fixing the floating substrate, so that the lateral force brought by the floating column body is offset in the power exchange process. The utility model has the advantages of ingenious structure and reasonable design, so that the battery replacing platform can float in all directions, the positioning requirement of the battery replacing platform is reduced, the lateral force generated in the floating process is eliminated, and unnecessary collision of the battery assembly is avoided; the requirement of quick battery replacement of the new energy vehicle is met, and the popularization and the application are convenient.

Description

Floating platform without lateral force

Technical Field

The utility model belongs to quick replacement battery field, concretely relates to floating platform of no yawing force.

Background

With the increasingly widespread use of various new energy vehicles such as electric vehicles and hybrid vehicles, technologies related to the quick change of batteries and the like are becoming the subject of attention and research. How to timely and effectively provide electric energy supply for the electric automobile with insufficient electric quantity becomes a very concerned problem for manufacturers and owners. The mode of replacing the electric automobile by the battery replacing system is established, namely the fully charged power battery is directly used for replacing the power battery with exhausted energy, so that the supply of electric energy can be completed within minute-level time, and the battery replacing mode is a very efficient electric energy supplementing mode.

In the battery replacement process of the battery replacement system, the bottom battery pack needs to be accurately and inerrably replaced, the position of the vehicle or the battery replacement platform needs to be adjusted, but when the vehicle or the battery replacement platform and the like are positioned and adjusted, errors also exist inevitably, and in order to enable the positioning and aligning actions to be smoothly carried out, a target object needs to be capable of floating freely, namely, the contact surface of the battery replacement platform and the battery pack and the supporting surface in contact with the vehicle need to be floatable, but the existing floating mechanism only can meet the small-amplitude floating in the upper and lower ranges, and cannot be adjusted in the position in the horizontal plane, so that the battery replacement process is difficult to be accurately and efficiently carried out; but the lateral force that produces back to the well of the extremely easy skew intermediate position that takes place of the floating process in the horizontal direction for the battery replacement process can't be stable, leads to easily to take place unnecessary when installation and dismantlement and collides with, influences the battery life-span.

Therefore, the existing floating platform is urgently needed to be improved, the structural design of the floating platform is optimized, and a novel floating mechanism is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the floating platform without lateral force provided by the utility model adopts the universal structural support piece, so that the battery replacing platform can float in all directions, the positioning requirement of the battery replacing platform is reduced, the lateral force generated in the floating process is eliminated, and unnecessary collision of a battery assembly is avoided; the requirement of quick battery replacement of the new energy vehicle is met.

The utility model provides a floating platform without lateral force, which comprises a fixed base plate, a floating column body and a clamping mechanism body; the floating column body is connected with the fixed substrate and the floating substrate; the clamping mechanism body is arranged between the fixed substrate and the floating substrate; wherein;

the fixed substrate is used for forming a fixed foundation of the battery replacement platform; the floating substrate is used for bearing a battery assembly;

the floating column body is used for floating and supporting the floating substrate so that the floating substrate can float up and down and float horizontally relative to the fixed substrate;

the clamping mechanism body is used for fixing the floating substrate, so that the lateral force caused by the floating column body is counteracted in the power switching process.

Preferably, the floating column body comprises a floating limiting rod, a floating bottom plate, an elastic piece and a supporting piece; the floating bottom plate is sleeved outside the floating limiting rod; the floating limiting rods are positioned on two sides of the floating bottom plate; one end of the floating limiting rod is fixed on the fixed substrate; the floating substrate comprises a first floating plate; the floating limiting rod penetrates through the first floating plate; a plurality of supporting pieces are fixed on one end face of the floating bottom plate close to the fixed base plate; one end of the elastic piece is abutted against the fixed substrate; the supporting piece and the elastic piece respectively abut against two opposite end faces of the first floating plate, and the floating bottom plate is acted by external force, so that the first floating plate can float relative to the fixed base plate along the direction vertical to the end face of the first floating plate; and a gap is formed between the first floating plate and the floating limiting rod, so that the first floating plate moves along the horizontal direction relative to the fixed base plate.

Preferably, the elastic piece is sleeved on the outer wall of the floating limiting rod; the support piece is a universal ball, the universal ball shell is fixed on the floating bottom plate, and a main ball body of the universal ball contacts the first floating plate.

Preferably, the floating post body further comprises a sleeve; the sleeve is sleeved on the outer wall of the floating limiting rod, and part of the elastic piece is contained in the sleeve; the sleeve is fixed at the bottom of the first floating plate; a gap exists between the sleeve and the floating limiting rod.

Preferably, the clamping mechanism body comprises a clamping block, a clamping driving piece, a clamping structure and a first rotating shaft; the clamping block is fixedly connected with the floating substrate; the clamping driving piece and the clamping structure are fixed on a fixed substrate; the movable end of the clamping driving piece is connected with the clamping structure, and the clamping driving piece drives the clamping structure to move to clamp the outer wall of the clamping block, so that the relative position of a floating substrate and a fixed substrate connected with the clamping block is kept unchanged; the first rotating shaft is used for connecting the two clamping structures so as to enable the two clamping structures to move synchronously.

Preferably, the clamping structure comprises a friction block and a contraction structure; the two ends of the friction block are connected with the contraction structure; the movable end of the clamping driving piece is connected with the contraction structure, and the clamping driving piece drives the contraction structure to contract so that the friction block is tightly pressed on the clamping block.

Preferably, the constriction comprises a first rod, a second rod; the first rod piece is pivoted with the second rod piece, and two ends of the friction block are respectively pivoted with the first rod piece or the second rod piece; and a pivot shaft of the first rod piece and the second rod piece is connected with the movable end of the clamping driving piece.

Preferably, the clamping mechanism body further comprises a transmission block and a support frame; the supporting frame is used for supporting the clamping driving piece and the clamping structure; the transmission block penetrates through the support frame; one end of the transmission block is connected with the movable end of the clamping driving piece, and the other end of the transmission block is connected with the pin-jointed shaft of the first rod piece and the second rod piece.

Preferably, the clamping mechanism body further comprises a fixing column; one end of the fixed column is fixedly connected with the clamping block, and the other end of the fixed column is fixedly connected with the floating substrate; the two clamping structures are symmetrical about the fixing column.

Preferably, the two floating column bodies are symmetrically distributed on two sides of the clamping mechanism body.

Compared with the prior art, the beneficial effects of the utility model reside in that:

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of an embodiment of the present invention showing an overall structure of a floating platform without lateral force;

fig. 2 is a partial structural diagram of a floating platform without lateral force according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a floating platform using a floating column body according to an embodiment of the present invention;

fig. 4 is a partial schematic view of a front view of the present invention in the embodiment of fig. 3;

fig. 5 is a schematic view of the overall structure of the floating column body according to an embodiment of the present invention;

fig. 6 is a schematic view of a partial structure of a floating column body according to an embodiment of the present invention;

fig. 7 is a front view of the present invention in the embodiment of fig. 1;

fig. 8 is a side view of the present invention in the embodiment of fig. 1;

fig. 9 is a schematic view of the entire structure of the clamping mechanism body according to an embodiment of the present invention;

fig. 10 is an elevation view of a clamping mechanism body in an embodiment of the invention;

fig. 11 is a partial schematic structural view of a clamping mechanism body according to an embodiment of the present invention;

shown in the figure:

the floating platform 600, the second floating plate 601, the floating hole 6011, the first fixed plate 602, the first floating plate 603, the floating column body 650, the floating limit rod 651, the floating bottom plate 652, the elastic member 653, the sleeve 654, the support 655, the clamping mechanism body 660, the fixed column 661, the clamping block 662, the clamping driving member 663, the transmission block 665, the first rod member 666, the first rotating shaft 667, the second rod member 668 and the support frame 669.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the following embodiments or technical features can be used to form a new embodiment without conflict.

A floating platform without lateral force is shown in figure 1 and comprises a fixed base plate, a floating column body 650 and a clamping mechanism body 660; the floating column body 650 connects the fixed substrate and the floating substrate; the clamping mechanism body 660 is installed between the fixed substrate and the floating substrate; wherein;

the floating column body 650 is used for floatingly supporting the floating substrate so that the floating substrate can float up and down and float horizontally with respect to the fixed substrate;

the clamping mechanism body 660 is used to secure the floating substrate such that lateral forces from the floating post body 650 are counteracted during a power change.

In one embodiment, as shown in fig. 1, 7 and 8, the floating substrate includes a first floating plate 603 and a second floating plate 601 for carrying the battery assembly; the fixing base comprises a first fixing plate 602 for forming a fixing base of the power switching platform. In this embodiment, as shown in fig. 7 and 8, the two floating post bodies 650 are symmetrically distributed on both sides of the clamping mechanism body 660, and the direction or the component of the direction of the equivalent force of the floating substrate fixed by the clamping mechanism body 660 is located on the plane of the central balance position of the two floating post bodies 650, as shown in fig. 7, the position of the clamping mechanism body 660 clamping the clamping block 662 approximately coincides with the central position of the two floating post bodies 650, so as to balance the overall stress in all directions,

in one embodiment, the second floating plate 601 is used to support the battery assembly; a floating bottom plate 652 of the floating column body 650 is sandwiched between the first floating plate 603 and the second floating plate 601. As shown in fig. 2, the second floating plate 601 is positioned above the first floating plate 603, the second floating plate 601 is provided with a floating hole 6011, and the floating stopper rod 651 can relatively move in any direction in the horizontal plane in the floating hole 6011; when the battery pack is placed on the support frame on the second floating plate 601, the second floating plate 601 can float in the vertical direction under the action of the elastic member 653 according to the difference of the vehicle bottom distance and the height of the battery pack, and simultaneously, the second floating plate 601 and the first floating plate 603 move in the horizontal direction together with the battery pack due to the gaps among the second floating plate 601, the first floating plate 603 and the floating limit rod 651; thereby reduce battery pack's the location degree of difficulty, avoid leading to the unable problem of installing and changing of battery pack because of positioning error.

At least three floating column bodies 650 are distributed between the fixed substrate and the floating substrate. As shown in fig. 1 and 3, four floating pillar bodies 650 are distributed between the fixed substrate and the floating substrate, and the symmetrical structure ensures that the stress in each direction is relatively distributed to the supporting member 655 of each floating pillar body 650, thereby ensuring the reliability of the power exchanging platform.

As shown in fig. 3 to 6, the floating post body 650 includes a floating base plate 652, an elastic member 653, a supporting member 655; a plurality of supporting pieces 655 are fixed on one end face of the floating bottom plate 652 close to the fixed base plate; one end of the elastic member 653 abuts against the fixed substrate; the support 655 and the elastic member 653 respectively abut against both end surfaces of the first floating plate 603 facing each other, and the floating base 652 is subjected to an external force so that the first floating plate 603 floats relative to the fixed base in a direction perpendicular to the end surface of the first floating plate 603. In the present embodiment, the fixed substrate is the first fixed plate 602, it should be understood that the elastic force of the elastic element 653 can be transmitted through the floating bottom plate 652 disposed on the first floating plate 603, and when the actual height of the battery assembly is adjusted as required during the battery replacement process, due to the existence of the elastic element 653, the battery replacement platform equipped with the floating column body 650 has the ability of floating up and down, thereby reducing the positioning requirement of battery replacement and facilitating the quick battery replacement.

In a preferred embodiment, as shown in fig. 4-6, the floating post body 650 further includes a floating stop bar 651; the floating bottom plate 652 is sleeved outside the floating limiting rod 651; the floating limiting rods 651 are positioned on two sides of the floating bottom plate 652; one end of the floating limiting rod 651 is fixed on the fixed substrate; the floating limiting rod 651 penetrates through the first floating plate 603; a gap is formed between the first floating plate 603 and the floating stopper 651, so that the first floating plate 603 moves in a horizontal direction with respect to the fixed base plate. In this embodiment, the floating stopper 651 forms the center positions of the first floating plate 603 and the second floating plate 601 in the horizontal direction, and simultaneously, the first floating plate 603 and the second floating plate 601 frictionally move relative to each other via the support 655, so that the first floating plate 603 or the second floating plate 601 carrying the battery pack can move relative to the first fixing plate 602 in the horizontal direction, thereby reducing the requirement for positioning in the horizontal plane and improving the battery replacement efficiency.

In a preferred embodiment, as shown in fig. 5, the elastic member 653 is sleeved on the outer wall of the floating stop lever 651. In the present embodiment, the elastic member 653 is a spring, and it should be understood that the spring is illustrated schematically and not limited in any length and scale relationship.

In a preferred embodiment, as shown in fig. 4-6, the floating post body 650 further includes a sleeve 654; the sleeve 654 is sleeved on the outer wall of the floating stop rod 651, and a part of the elastic element 653 is accommodated in the sleeve 654. As shown in fig. 4, the sleeve 654 is fixed to the bottom of the first floating plate 603; a gap exists between the sleeve 654 and the floating stop rod 651. It should be appreciated that a sleeve 654 may also be provided on first retaining plate 602 for defining a spring adjacent a portion of first retaining plate 602; in this embodiment, the spring near the first fixing plate 602 is fixed, and when the position in the horizontal direction floats, the sleeve 654 fixed at the bottom of the first floating plate 603 simultaneously displaces in the horizontal plane, so that the spring exhibits the phenomenon that the top end of the spring is shifted aside, and after the external force disappears, the spring can automatically return to the initial equilibrium position under the restoring force of the spring.

In a preferred embodiment, in order to prevent the floating bottom plate 652 from being separated from the end of the floating stop rod 651, the end of the floating stop rod 651 close to the floating base plate is further provided with a backstop portion; in this embodiment, the retaining portion may be a shoulder abutting against the upper end surface of the floating bottom plate 652 or a plurality of nuts threadedly coupled to prevent the floating bottom plate 652 from moving excessively to disengage from the floating stop bar 651 due to excessive spring restoring force.

In a preferred embodiment, as shown in fig. 5 and 6, the support 655 is a gimballed ball, the gimballed ball housing is fixed to the floating baseplate 652, and the main ball body of the gimballed ball contacts the first floating plate 603; preferably, the number of gimbaled balls is at least three. In this embodiment, four universal balls are adopted to abut against the first floating plate 603, so that the friction force is sufficiently reduced, and the floating freedom in all directions is smooth.

As shown in fig. 9-11, the clamping mechanism body 660 includes a clamp block 662, a clamp driving member 663, a clamping structure; the clamp block 662 is fixedly connected with the floating substrate; the clamping driving piece 663 and the clamping structure are fixed on the fixed base plate; the movable end of the clamp driving member 663 is connected with the clamping structure, and the clamp driving member 663 drives the clamping structure to move to clamp the outer wall of the clamping block 662, so that the relative position of the floating substrate and the fixed substrate connected with the clamping block 662 is kept unchanged. In the present embodiment, the clamping block 662 is clamped by the clamping structure, so that the relative position of the second floating plate 601 with respect to the first fixed plate 602 is fixed, and at this time, the second floating plate 601 is neither floatable nor recoverable, thereby eliminating the lateral force, ensuring that the battery assembly is installed into the bottom of the vehicle at the correct position, and preventing the electrical connector from being damaged, and the service life of the battery and the vehicle from being affected. The clamp driver 663 includes, but is not limited to, an electric push rod, a cylinder, a linear motor, a hydraulic push rod.

In a preferred embodiment, as shown in fig. 9, the gripping structure wraps around the outer profile of the clamp block 662. It should be understood that the clamping structure includes, but is not limited to, jaws, telescoping linkages; in one embodiment, the gripping structure includes a friction block 666, a contracting structure; the two ends of the friction block 666 are connected with the contraction structure; the moveable end of the clamp actuator 663 engages a contracting structure, and the clamp actuator 663 causes the contracting structure to contract so that the friction block 666 presses against the clamp block 662. To increase the friction between the friction block 666 and the contact surface of the clamping block 662, the contact surface may be provided with a knurled surface structure, or rubber may be used to cover the friction block 666 and the clamping block 662.

In a preferred embodiment, as shown in figures 10 and 11, the contracting structure comprises a first post 665, a second post 668; the first rod 665 is pivoted with the second rod 668, and two ends of the friction block 666 are respectively pivoted with the first rod 665 or the second rod 668; the first rod 665 is connected to a pivot of the second rod 668 to clamp the movable end of the driving member 663. It will be appreciated that the contracting structure is used to pull the friction blocks 666 so that the two friction blocks 666 change position, either contracting or expanding, to effect clamping or releasing of the clamp blocks 662. In this embodiment, the clamp block 662 is a rectangular block, and when the two friction blocks 666 are released, the friction blocks 666 prevent the floating platform 600 from floating too much, which would cause the clamp block 662 to disengage from the clamping structure.

In a preferred embodiment, as shown in fig. 9 and 10, the clamping mechanism body 660 further includes a driving block 664 and a supporting frame 669; the support frame 669 is used for supporting the clamping driving piece 663 and the clamping structure; the transmission block 664 penetrates through the support 669; the driving block 664 has one end connected to the movable end of the clamping driving member 663 and the other end connected to the pivot shaft of the first rod 665 and the second rod 668. In this embodiment, as shown in fig. 9-11, the clamping driving member 663 is an electric push rod, a movable end of the electric push rod is fixedly connected with the driving block 664, the driving block 664 passes through the middle supporting frame 669 and is connected with the pivot shaft of the first rod member 665 and the second rod member 668, as shown in fig. 10, the driving block 664 is pulled transversely, an included angle between the first rod member 665 and the second rod member 668 becomes smaller, and the clamping block 662 is clamped.

In one embodiment, as shown in fig. 9 and 10, the friction block 666 abuts the top and bottom surfaces of the clamping block 662. In this embodiment, the side forces are eliminated by friction between the top and bottom surfaces of the clamp blocks 662. It should be appreciated that in another embodiment, the friction blocks 666 abut two opposing sides of the clamp blocks 662, and the friction blocks 666 clamp the sides of the clamp blocks 662 (not shown), again to secure the clamp blocks 662.

In a preferred embodiment, to secure the clamp block 662 in all orientations, the clamp mechanism body 660 further includes a first shaft 667; the first shaft 667 is used to connect the two clamping structures so that the two clamping structures move synchronously. In this embodiment, the clamping mechanism body 660 further includes a fixing post 661; one end of the fixing column 661 is fixedly connected to the clamping block 662, and the other end is fixedly connected to the floating substrate; the two clamping structures are symmetrical about the fixing post 661.

The utility model discloses the structure is ingenious, and reasonable in design adopts universal structure support piece, makes to trade electric platform can float each direction, reduces and trades electric platform location requirement, eliminates the lateral force that floats in-process production simultaneously, avoids battery pack to take place unnecessary and collides with, satisfies the requirement that new forms of energy car trades the electricity fast, and the facilitate promotion is used.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A floating platform without lateral force is characterized in that: comprises a fixed substrate, a floating column body (650) and a clamping mechanism body (660); the floating column body (650) is connected with the fixed substrate and the floating substrate; the clamping mechanism body (660) is mounted between the fixed substrate and the floating substrate; wherein;

the floating column body (650) is used for floating and supporting the floating substrate, so that the floating substrate can float up and down and float horizontally relative to the fixed substrate;

the clamping mechanism body (660) is used for fixing the floating substrate, so that the side force brought by the floating column body (650) is counteracted in the battery replacement process.

2. A floating platform free of lateral forces as claimed in claim 1, wherein: the floating column body (650) comprises a floating limiting rod (651), a floating bottom plate (652), an elastic piece (653) and a supporting piece (655); the floating bottom plate (652) is sleeved outside the floating limiting rod (651); the floating limiting rods (651) are positioned on two sides of the floating bottom plate (652); one end of the floating limiting rod (651) is fixed on the fixed base plate; the floating substrate includes a first floating plate (603); the floating limiting rod (651) penetrates through the first floating plate (603); a plurality of supporting pieces (655) are fixed on one end face of the floating bottom plate (652) close to the fixed base plate; one end of the elastic piece (653) is abutted against the fixed substrate; the supporting piece (655) and the elastic piece (653) respectively abut against two opposite end faces of the first floating plate (603), and the floating bottom plate (652) is acted by external force, so that the first floating plate (603) can float relative to the fixed substrate along the direction vertical to the end face of the first floating plate (603); a gap is formed between the first floating plate (603) and the floating limiting rod (651) so that the first floating plate (603) can move in the horizontal direction relative to the fixed substrate.

3. A floating platform free of lateral forces as claimed in claim 2, wherein: the elastic piece (653) is sleeved on the outer wall of the floating limiting rod (651); the support piece (655) is a universal ball, the universal ball shell is fixed on the floating bottom plate (652), and the main ball body of the universal ball contacts the first floating plate (603).

4. A floating platform free of lateral forces as claimed in claim 2, wherein: the floating post body (650) further comprises a sleeve (654); the sleeve (654) is sleeved on the outer wall of the floating limit rod (651), and part of the elastic piece (653) is accommodated in the sleeve (654); the sleeve (654) is fixed at the bottom of the first floating plate (603); a gap exists between the sleeve (654) and the floating limit rod (651).

5. A floating platform free of lateral forces as claimed in claim 1, wherein: the clamping mechanism body (660) comprises a clamping block (662), a clamping driving piece (663), a clamping structure and a first rotating shaft (667); the clamping block (662) is fixedly connected with the floating substrate; the clamping driving piece (663) and the clamping structure are fixed on a fixed substrate; the movable end of the clamping driving piece (663) is connected with the clamping structure, and the clamping driving piece (663) drives the clamping structure to move to clamp the outer wall of the clamping block (662), so that the relative position of the floating substrate connected with the clamping block (662) and the fixed substrate is kept unchanged; the first rotating shaft (667) is used for connecting two clamping structures, so that the two clamping structures move synchronously.

6. A floating platform without lateral forces as in claim 5, wherein: the clamping structure comprises a friction block (666) and a contraction structure; the two ends of the friction block (666) are connected with the contraction structure; the movable end of the clamping driving piece (663) is connected with the contraction structure, and the clamping driving piece (663) drives the contraction structure to contract, so that the friction block (666) is tightly pressed on the clamping block (662).

7. A floating platform without lateral forces as in claim 6, wherein: the constriction comprises a first rod (665), a second rod (668); the first rod (665) is pivoted with the second rod (668), and two ends of the friction block (666) are respectively pivoted with the first rod (665) or the second rod (668); the first rod piece (665) is connected with a pivot shaft of the second rod piece (668) through the movable end of the clamping driving piece (663).

8. A floating platform free of lateral forces as claimed in claim 7, wherein: the clamping mechanism body (660) further comprises a transmission block (664) and a support frame (669); the supporting frame (669) is used for supporting the clamping driving piece (663) and the clamping structure; the transmission block (664) penetrates through the support frame (669); one end of the transmission block (664) is connected with the movable end of the clamping driving piece (663), and the other end is connected with the pivot shaft of the first rod piece (665) and the second rod piece (668).

9. A floating platform free of lateral forces as claimed in claim 8, wherein: the clamping mechanism body (660) further comprises a fixing column (661); one end of the fixed column (661) is fixedly connected with the clamping block (662), and the other end of the fixed column is fixedly connected with the floating substrate; the two clamping structures are symmetrical about the fixing column (661).

10. A floating platform without lateral forces as claimed in any of claims 1 to 9, wherein: the two floating column bodies (650) are symmetrically distributed on two sides of the clamping mechanism body (660).