CN217807296U

CN217807296U - Front floor carrying device

Info

Publication number: CN217807296U
Application number: CN202221167694.4U
Authority: CN
Inventors: 张涛; 黄敏鸫; 谢艳兰
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-15
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a preceding floor handling device, include: the front floor placing frame comprises a main frame, wherein a front floor comprising a cross beam and a rotatable limiting structure are arranged on the main frame; carrying the main frame; the clamping piece is fixed on the carrying main frame and used for clamping and loosening the cross beam of the front floor; the swinging piece comprises a swinging bracket and a swinging arm which can be connected to the swinging bracket in a swinging way, and the swinging bracket is fixed on the carrying main frame; wherein, the swing arm promotes limit structure through the swing and removes to dodging the position from limit position to floor before shifting through the holder. Through the swing of swing arm, promote limit structure on the preceding floor rack to dodging the position, conveniently take out preceding floor, replaced the manual work and promoted limit structure, replace artificial mode through machinery promptly, reduce staff's intensity of labour.

Description

Front floor carrying device

Technical Field

The utility model relates to a preceding floor transport technical field especially relates to a preceding floor handling device.

Background

Currently, the front floor has two placing forms in the front floor placing rack, one is horizontally stacked layer by layer, and the other is vertically arranged. No matter what kind of posture of placing, all can set up limit structure, prevent that preceding floor from rocking in the transportation.

However, the worker is usually required to manually open the limiting structure and turn over the limiting structure, and the labor intensity of the worker is high.

SUMMERY OF THE UTILITY MODEL

This application provides a preceding floor handling device to the shortcoming of current mode for solve the great technical problem of staff intensity of labour that prior art exists.

In a first aspect, an embodiment of the present application provides a front floor conveying device, including: the front floor placing frame comprises a main frame, wherein a front floor comprising a cross beam and a rotatable limiting structure are arranged on the main frame; carrying the main frame; the clamping piece is fixed on the carrying main frame and used for clamping and loosening the cross beam of the front floor; the swinging piece comprises a swinging bracket and a swinging arm which can be connected to the swinging bracket in a swinging mode, and the swinging bracket is fixed on the carrying main frame; the swing arm pushes the limiting structure to move from a limiting position to an avoiding position through swinging, so that the front floor is displaced through the clamping piece.

In one possible implementation, the oscillating piece further comprises: and the roller is fixed at one end of the swing arm, which is far away from the swing bracket, through a roller shaft and is used for pushing the limiting structure to move under the driving of the swing arm.

In one possible implementation, the handling mainframe comprises: a hanging frame; the overturning frame is rotationally connected with the hanging frame; the clamping piece and the swinging piece are fixed on the turnover frame, and the turnover frame is used for driving the clamped front floor to turn over.

In one possible implementation, the front floor handling apparatus further includes: the positioning piece is fixed on the turnover frame, a positioning mechanism is arranged on the front floor, and the positioning piece is in concave-convex fit with the positioning mechanism, so that the clamping piece is aligned to the cross beam of the front floor, and the swinging piece is aligned to the limiting structure.

In one possible implementation, the positioning member includes: the positioning plate is fixed on the turnover frame; the two positioning walls are fixedly connected to two sides of the positioning plate, form a splayed structure and are encircled with the positioning plate to form a positioning concave part; the positioning mechanism is formed as a convex portion to mate with the concave portion.

In one possible implementation manner, the positioning plate is provided with a spacing adjusting hole; the positioning wall is provided with a mounting hole; and adjusting the corresponding positions of the mounting holes of the two positioning walls and the distance adjusting holes to adjust the spacing distance between the two positioning walls.

In one possible implementation, the front floor handling apparatus further includes: the positioning plate is provided with spacing adjusting holes; the positioning wall is provided with a mounting hole; the two sides of the limiting plate are provided with limiting holes; the limiting holes on two sides respectively correspond to the mounting holes of the two positioning walls, so that the limiting plate and the two positioning walls can adjust the relative positions of the limiting plate and the positioning plates along the distance adjusting holes.

In one possible implementation, the front floor handling apparatus further includes: and the front floor supporting piece is detachably connected with the turnover frame and used for supporting the front floor.

In one possible implementation, the front floor support includes: the supporting beam is provided with a plurality of distance adjusting holes which are linearly arranged; the supporting plate is fixed at one end of the supporting beam, which is far away from the roll-over stand; the distance between the support plate and the roll-over stand is adjusted by adjusting the corresponding positions of the distance adjusting holes and the roll-over stand.

In one possible implementation, the front floor carrying device further includes: the supporting beam connecting piece is fixed on the roll-over stand and comprises a limiting through hole, and the hole wall of the limiting through hole is provided with a corresponding fixing hole and a supporting beam mounting through hole; the support beam penetrates through the limiting through hole, so that the distance adjusting hole, the fixing hole and the support beam mounting through hole correspond to each other and are used for penetrating through a bolt to fix the support beam.

The beneficial technical effects brought by the technical scheme provided by the embodiment of the application comprise:

the limiting structure on the front floor placing rack is pushed to the avoiding position through the swinging of the swing arm, so that the front floor is convenient to take out, and the limiting structure is replaced by manual pushing; including the roll-over stand that can overturn through the transport body frame to overturn by the preceding floor of centre gripping, replaced artifical upset, replace artificial mode through machinery, reduce staff's intensity of labour.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a front floor conveying device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a swing member in a front floor carrier according to an embodiment of the present disclosure;

fig. 3 is a schematic structural view of a conveying main frame in a front floor conveying device according to an embodiment of the present disclosure;

fig. 4 is a schematic structural view of a clamping member in a front floor carrying device according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a positioning element in a front floor conveying device according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a positioning element in a front floor conveying device according to another embodiment of the present disclosure;

fig. 7 is a schematic view illustrating a connection position of a front floor support, a support beam connection member and a second inversion frame beam in a front floor carrier according to an embodiment of the present disclosure.

Drawing number designation and corresponding description:

1: carrying the main frame; 11: a hanging frame; 111: a boom; 112: a hoisting ring; 12: a roll-over stand; 121: a first roll-over frame beam; 122: a second roll-over frame beam; 123: a turnover mechanism;

2: a clamping member; 21: a clamping frame; 22: clamping arms; 23: the clamping arm drives the cylinder; 24: a connecting shaft;

3: an oscillating piece 3;31: a swing bracket; 311: a support base; 312: a support stringer; 313: a bracket beam; 32: swinging arms; 33: a roller; 34: the swing arm drives the cylinder;

4: a positioning member; 41: positioning a plate; 42: a positioning wall; 43: a limiting plate; 44: spacing adjustment holes; 45: mounting holes; 46: a connecting plate; 47: a connecting arm;

5: a front floor support; 51: a connecting beam; 52: a distance adjustment hole; 53: a support plate;

6: a support beam connection member; 61: the connecting beam is provided with a through hole; 62: and (7) fixing the plate.

Detailed Description

Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present application and are not construed as limiting the present application.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The inventor of this application discovers, the staff need the manual work to open limit structure before the floor before the transport to floor before the needs manual work transport, can cause staff's work load and intensity of labour great like this.

The application provides a front floor handling device, aims at solving prior art technical problem as above.

The following describes the technical solution of the present application and how to solve the above technical problems in detail by specific embodiments.

The embodiment of the application provides a front floor conveying device, which has a structure as shown in fig. 1 and mainly comprises a front floor placing frame (not shown), a conveying main frame 1, a clamping piece 2 and a swinging piece 3. The front floor placing frame comprises a main frame, wherein a front floor comprising a cross beam and a rotatable limiting structure are arranged on the main frame; the clamping piece 2 is fixed on the carrying main frame 1 and is used for clamping and loosening the cross beam of the front floor; the swinging piece 3 comprises a swinging bracket 31 and a swinging arm 32 which can be connected with the swinging bracket 31 in a swinging way, and the swinging bracket 31 is fixed on the conveying main frame 1; wherein the swing arm 32 pushes the limiting structure to move from the limiting position to the avoiding position by swinging so as to displace the front floor by the clamping piece 2.

Through the embodiment that this application provided, can utilize swing arm 32's swing, promote limit structure on the preceding floor rack to dodging the position, conveniently take out preceding floor, replaced the manual work and promoted limit structure, replace artificial mode through machinery promptly, reduce staff's intensity of labour.

Optionally, a front floor which is vertically arranged is arranged on the main frame of the front floor placing frame, a limiting structure is arranged between the adjacent front floors, the limiting structure is rotatably connected with the main frame, and before the front floors are carried, the limiting structure needs to be rotated to an avoiding position so as to take out the front floors.

Alternatively, as shown in fig. 2, the swing bracket 31 includes a supporting base 311, a bracket longitudinal beam 312 having one end fixed to the supporting base 311, and a bracket transverse beam 313 disposed at one end of the bracket longitudinal beam 312 far from the supporting base 311. Alternatively, the support base 311 is fixed to the conveyance main frame 1. One end of the swing arm 32 is provided with a rotation connection hole. The swing arm 32 can be rotatably connected with the bracket beam 313 by the cooperation of the rotation connecting hole and the rotation shaft.

In one possible implementation manner, as shown in fig. 2, the swinging member 3 further includes a roller 33, and the roller 33 is fixed to an end of the swinging arm 32 away from the swinging bracket 31 through a roller shaft, and is used for pushing the limiting structure under the driving of the swinging arm 32.

Optionally, one end of the swing arm 32, which is away from the bracket beam 313, is equipped with a roller 33, which is used for reducing friction in the process of pushing the limiting structure, and ensuring that the roller 33 does not interfere with the limiting structure in the process of pushing the limiting structure, so that the roller 33 can push the limiting structure to move to an avoiding position, and ensuring that the limiting structure cannot be blocked in the process of taking out the front floor from the front floor placing frame.

Optionally, as shown in fig. 2, the swinging member 3 further includes a swinging arm driving cylinder 34 fixed on the swinging bracket 31, specifically, fixed at the bottom of the bracket cross beam 313, and an output shaft of the swinging arm driving cylinder 34 is in driving connection with the swinging arm 32 for driving the swinging arm 32 to swing.

In one possible implementation, as shown in fig. 3, the handling main frame 1 comprises a hanging frame 11 and a turning frame 12, the turning frame 12 being rotatably connected to the hanging frame 11; the clamping piece 2 and the swinging piece 3 are both fixed on the roll-over stand 12, and the roll-over stand 12 is used for driving the clamped front floor to turn over.

Alternatively, as shown in fig. 3, the hanging frame 11 includes a hanging rod 111, one end of the hanging rod 111 is rotatably connected to the roll-over stand 12, and the other end is fixed with a hanging ring 112, the hanging ring 112 is used for connecting with a lifting device (e.g., an electric hoist) mounted on the transportation frame.

Alternatively, as shown in fig. 3, the roll stand 12 includes two perpendicularly intersecting first 121 and second 122 roll stand beams and a roll-over mechanism 123 secured at the intersection of the first 121 and second 122 roll stand beams. The first turnover frame beam 121 may be horizontally disposed, and when the front floor needs to be clamped, the second turnover frame beam 122 may be in a vertical state; when the clamped front floor needs to be loosened, the roll-over stand 12 is turned over from the vertical state to the horizontal state so that the second roll-over stand beam 122 is turned over to the horizontal state; the turnover mechanism 123 includes a turnover mechanism main body, a rotation shaft rotatably connected to the turnover mechanism main body, and a drive connection shaft 24. Specifically, the rotating shaft and one end of the suspension rod, which is far away from the suspension ring, are fixedly connected, the rotating shaft can rotate relative to the turnover mechanism main body, and the driving connecting shaft 24 is used for being connected with the driving connecting shaft 24 of the turnover driving device. Optionally, an overturning driving cylinder is fixed on the hanging rack 11, an output shaft of the overturning driving cylinder is in driving connection with the driving connecting shaft 24, and the overturning frame 12 is driven to rotate relative to the hanging rack 11 under the driving action of the overturning driving cylinder. Optionally, the roll-over stand 12 is rotated through an angle of not less than 90 degrees.

The embodiment that this application provided can be through carrying main frame 1 including the roll-over stand 12 that can overturn to be overturned by the preceding floor of centre gripping, replaced artifical upset, and then reduce staff's intensity of labour.

Alternatively, as shown in fig. 1, the front floor carrying device comprises two clamping members 2 and two swinging members 3, and the two clamping members 2 and the two swinging members 3 are symmetrically arranged at two opposite ends of the first roll-over frame beam 121 to form a structure, so as to ensure the stability of the gravity center of the roll-over frame. The swing member 3 may be fixed to the clamp member 2, in particular to the side of the clamp member 2 remote from the first roll-over stand 12, so that the front floor handler is more compact.

Alternatively, as shown in fig. 4, the clamp 2 includes a clamp frame 21, two clamp arms 22, a clamp arm driving cylinder 23, and two connecting shafts 24. The two clamping arms 22 are oppositely arranged and are rotatably connected with the clamping frame 21 through rotating shafts; one end of each of the two connecting shafts 24 is in driving connection with the corresponding clamping arm driving cylinder 23, and the other end of each of the two connecting shafts is in rotational connection with the corresponding clamping arm 22, so that the clamping arm driving cylinder 23 can drive the two clamping arms 22 to be relatively close to or relatively far away from each other, and clamping and loosening of the front floor beam can be achieved.

In one possible implementation, as shown in fig. 1 and 5, the front floor carrier further includes a spacer 4, the spacer 4 being fixed to the roll-over stand 12; a positioning mechanism (not shown) is arranged on the front floor, and the positioning piece 4 is in concave-convex fit with the positioning mechanism, so that the clamping piece 2 is aligned to the beam of the front floor, and the swinging piece 3 is aligned to the limiting structure.

Optionally, at least one positioning element 4 is fixed on the second roll-over stand beam 122, the positioning mechanism disposed on the front floor may be a longitudinal beam of the front floor, the positioning element 4 is adapted to the longitudinal beam in shape to realize positioning, further realize that the clamping element 2 corresponds to a cross beam of the front floor, and the swinging element 3 corresponds to the limiting structure.

In one possible implementation, as shown in fig. 5, the positioning member 4 includes a positioning plate 41 and two positioning walls 42. The positioning plate 41 is fixed on the roll-over stand 12; the two positioning walls 42 are fixedly connected to two sides of the positioning plate 41, the two positioning walls 42 form a splayed structure, and form a positioning concave part by enclosing with the positioning plate 41; the positioning mechanism is formed as a male part to mate with a female part.

Alternatively, as shown in fig. 5, a connecting plate 46 is disposed on the positioning wall 42, and the connecting plate 46 is attached to the plate surface of the positioning plate 41 and is fixedly connected to the positioning plate 41. The large opening of the splayed structure formed by the two positioning walls 42 is arranged far away from the positioning plate 41 and is used for being matched with the longitudinal beam of the front floor which is relatively convex in a concave-convex mode so as to realize positioning.

Alternatively, as shown in fig. 6, the positioning member 4 further includes a connecting arm 47 and a positioning member fixing member, and the positioning plate 41 is fixed to one end of the connecting arm 47. The connecting arm 47 is provided with a plurality of adjusting holes which are arranged linearly and can be through holes. The positioning piece fixing piece comprises a fixing through hole, and a corresponding bolt hole and a positioning piece fixing through hole are formed in the hole wall of the fixing through hole; wherein the other end of the connecting arm 47 passes through the fixing through hole so that the adjusting hole, the bolt hole and the positioning member fixing through hole correspond to each other, so that the bolt passes through and fixes the connecting arm 47, and the distance between the positioning plate 41 and the roll-over stand 12 is adjusted by adjusting the correspondence of the adjusting hole and the positioning member fixing through hole.

In one possible implementation, the positioning plate 41 is provided with a spacing adjustment hole 44; the positioning wall 42 is provided with a mounting hole 45; wherein, the spacing distance between the two positioning walls 42 is adjusted by adjusting the corresponding positions of the mounting holes 45 of the two positioning walls 42 and the spacing adjusting holes 44.

Optionally, the positioning plate 41 may be provided with a strip-shaped interval adjusting hole 44; the mounting hole 45 is formed in the connecting plate 46 of the positioning wall 42, and the positioning wall 42 and the positioning plate 41 are fixed by bolts. The distance between the two positioning walls 42 can be adjusted to adapt to longitudinal beams of front floors with different widths, so that the application range of the positioning plate 41 is increased.

In one possible implementation manner, as shown in fig. 6, the front floor carrying device further includes a limiting plate 43, and two sides of the limiting plate 43 are provided with limiting holes; the positioning plate 41 is provided with a spacing adjusting hole 44; the positioning wall 42 is provided with a mounting hole 45; the two side limiting holes correspond to the mounting holes 45 of the two positioning walls 42, so that the limiting plate 43 and the two positioning walls 42 together adjust the relative position with the positioning plate 41 along the distance adjusting hole 44.

Optionally, the position-limiting plate 43 is fixed on a side of the connecting plate 46 away from the positioning plate 41, and the position-limiting hole with a fixed spacing is formed in the position-limiting plate 43, so that the relative position between the two positioning walls 42 and the positioning plate 41 can be adjusted along the spacing-adjusting hole 44 while the spacing between the two positioning walls 42 is fixed, that is, the position of the two positioning walls 42 of the splayed structure relative to the positioning plate 41 can be adjusted.

Alternatively, the positioning member 4 may be fixed to the first bogie beam 121 to correspond to the front floor beam, and positioned by being engaged with the front floor beam.

In one possible implementation, as shown in fig. 7, the front floor carrying device further comprises a front floor support 5, the front floor support 5 being detachably connected with the roll-over stand 12 for supporting the front floor.

Alternatively, the front floor support 5 supports the bottom of the front floor rail, i.e. supports the end of the front floor rail, when the front floor is in the vertical position.

In one possible implementation, as shown in fig. 7, the front floor support 5 includes a connection beam 51 and a support plate 53. The connecting beam 51 is provided with a plurality of distance adjusting holes 52 which are linearly arranged; the supporting plate 53 is fixed at one end of the connecting beam 51 far away from the roll-over stand 12; the distance between the supporting plate 53 and the roll-over stand 12 is adjusted by adjusting the corresponding positions of the distance adjusting holes 52 and the roll-over stand 12.

Alternatively, as shown in fig. 7, the supporting plate 53 is fixed at one end of the connecting beam 51, a plurality of distance adjusting holes 52 are formed in the beam body of the connecting beam 51, the distance adjusting holes 52 are adjusting through holes, and bolts pass through the distance adjusting holes 52 and are fixedly connected with the roll-over stand 12. By adjusting the distance between the support plate 53 and the roll-over stand 12, the front floor support 5 can be made to support different positions of the front floor to increase the range of use of the front floor support 5.

Alternatively, the distance adjustment hole 52 may be an elongated hole.

In a possible implementation manner, as shown in fig. 7, the front floor carrying device further includes a supporting beam connecting member 6, the supporting beam connecting member 6 is fixed on the roll-over stand 12, the supporting beam connecting member 6 includes a limiting through hole, and a hole wall of the limiting through hole is provided with a corresponding fixing hole and a connecting beam mounting through hole 61; wherein the connection beam 51 passes through the limit through hole so that the distance adjusting hole 52, the fixing hole and the connection beam mounting through hole 61 correspond to each other for a bolt to pass through to fix the connection beam 51.

Alternatively, as shown in fig. 7, the support beam connection member 6 includes a fixing plate 62 and a limit through-hole provided on the fixing plate 62. The fixed plate is fixed on roll-over stand 12, and spacing through-hole sets up the one side of keeping away from roll-over stand 12 at the fixed plate, even spacing through-hole's axial direction parallel and fixed plate 62's face, and spacing through-hole is the trepanning for outside the tie-beam 51 was established to the cover, the fixed orifices was seted up on fixed plate 62, and tie-beam installation through-hole 61 is seted up on spacing through-hole keeps away from the pore wall of fixed plate.

The lifting ring 112, the clamping piece 2, the positioning piece 4 and the swinging piece 3 of the front floor conveying device provided by the embodiment of the application are detachably connected with the conveying main frame 1 so as to be convenient for changing the arrangement position, and thus, the gravity center can be conveniently adjusted and matched with a front floor; the stopper mechanism is opened by the swinging member 3 and the clamped front floor is turned over by the turning frame 12 to facilitate the transportation of the front floor.

The use method of the front floor conveying device comprises the following specific steps:

adjusting the positions of the hanging ring 112, the clamping piece 2, the positioning piece 4 and the swinging piece 3 so as to stabilize the center of gravity and correspondingly match with the front floor; hang rings on electric block, move the hoist to the place ahead of front floor rack through control electric block, through the handrail on the operation transport body frame 1, make holder 2, setting element 4 and swinging member 3 all match with the front floor, control holder 2 presss from both sides tight front floor, control swinging member 3 opens limit structure, then, take out the front floor from the front floor rack, overturn the front floor that is by the centre gripping through roll-over stand 12, overturn the front floor from vertical state to the horizontality, place the front floor level at the processing bench at last, and control holder 2 loosens the front floor by the centre gripping.

In the description of the present application, it is to be understood that the terms "center", "front", "rear", "left", "right", "vertical", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

The particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.

Claims

1. A front floor mover, comprising:

the front floor placing frame comprises a main frame, wherein a front floor comprising a cross beam and a rotatable limiting structure are arranged on the main frame;

a conveying main frame (1);

the clamping piece (2) is fixed on the carrying main frame (1) and is used for clamping and loosening the cross beam of the front floor;

the swinging piece (3) comprises a swinging bracket (31) and a swinging arm (32) which can be connected to the swinging bracket (31) in a swinging mode, and the swinging bracket (31) is fixed on the conveying main frame (1);

the swing arm (32) pushes the limiting structure to move from a limiting position to an avoiding position through swinging, so that the front floor is displaced through the clamping piece (2).

2. Front floor conveyor according to claim 1, characterized in that the oscillating piece (3) further comprises:

and the roller (33) is fixed at one end of the swing arm (32) far away from the swing bracket (31) through a roller shaft and is used for pushing the limiting structure under the driving of the swing arm (32).

3. Front floor handling device according to claim 1, characterized in that the handling mainframe (1) comprises:

a hanging frame (11);

the overturning frame (12) is rotationally connected with the hanging frame (11); the clamping piece (2) and the swinging piece (3) are fixed on the turnover frame (12), and the turnover frame (12) is used for driving the clamped front floor to turn over.

4. The front floor mover of claim 3, further comprising:

the positioning piece (4) is fixed on the turnover frame (12), a positioning mechanism is arranged on the front floor, and the positioning piece (4) is in concave-convex fit with the positioning mechanism, so that the clamping piece (2) is aligned to the cross beam of the front floor, and the swinging piece (3) is aligned to the limiting structure.

5. Front floor carrier according to claim 4, characterized in that the securing element (4) comprises:

the positioning plate (41) is fixed on the turnover frame (12);

the two positioning walls (42) are fixedly connected to two sides of the positioning plate (41), the two positioning walls (42) form a splayed structure, and a positioning concave part is formed by surrounding the positioning plate (41);

the positioning mechanism is formed as a male part to mate with the female part.

6. Front floor truck according to claim 5,

the positioning plate (41) is provided with a spacing adjusting hole (44);

the positioning wall (42) is provided with a mounting hole (45); wherein the content of the first and second substances,

the spacing distance between the two positioning walls (42) is adjusted by adjusting the corresponding positions of the mounting holes (45) of the two positioning walls (42) and the distance adjusting holes (44).

7. The front floor mover of claim 5, further comprising:

the limiting plate (43) is provided with limiting holes at two sides;

a spacing adjusting hole (44) is formed in the positioning plate (41);

the positioning wall (42) is provided with a mounting hole (45);

the limiting holes on two sides respectively correspond to the mounting holes (45) of the two positioning walls (42), so that the limiting plate (43) and the two positioning walls (42) together adjust the relative position of the limiting plate and the positioning plate (41) along the distance adjusting hole (44).

8. The front floor carrier according to claim 7, further comprising:

a front floor support (5) detachably connected to the roll-over stand (12) for supporting the front floor.

9. Front floor carrier according to claim 8, characterized in that the front floor support (5) comprises:

a support beam (51) provided with a plurality of distance adjusting holes (52) arranged linearly;

the supporting plate (53) is fixed at one end of the supporting beam (51) far away from the roll-over stand (12);

the distance between the supporting plate (53) and the roll-over stand (12) is adjusted by adjusting the corresponding positions of the distance adjusting holes (52) and the roll-over stand (12).

10. The front floor handler of claim 9, further comprising:

the supporting beam connecting piece (6) is fixed on the roll-over stand (12), the supporting beam connecting piece (6) comprises a limiting through hole, and a corresponding fixing hole and a supporting beam mounting through hole (61) are formed in the hole wall of the limiting through hole;

wherein the support beam (51) passes through the limiting through hole, so that the distance adjusting hole (52), the fixing hole and the support beam mounting through hole (61) correspond to each other for a bolt to pass through to fix the support beam (51).