CN114834816A

CN114834816A - Slab lifting device, slab moving system and slab moving method

Info

Publication number: CN114834816A
Application number: CN202210452569.6A
Authority: CN
Inventors: 贺梦军
Original assignee: Lysteel Co Ltd
Current assignee: Lysteel Co Ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-02

Abstract

The embodiment of the application provides a slab lifting device, a slab moving system and a slab moving method. The slab lifting device comprises: a plurality of moving assemblies and a drive assembly. The movable assembly is arranged at intervals along a first direction and comprises a supporting roller and a connecting piece, the connecting piece comprises a first end and a second end which are arranged oppositely, and the first end is connected with the supporting roller along the axial direction of the supporting roller. The first end of the connecting piece is respectively connected with the driving assembly, and the driving assembly is used for enabling the connecting piece to rotate around the second end, so that the connecting piece drives the supporting roll to rotate around the second end. When the slab conveying roller way is insufficient in bearing or fails, the slab lifting device provided by the embodiment of the application can bear and lift slabs on the conveying roller way, so that the production process of the slabs is avoided being forced to stop due to the failure of the conveying roller way.

Description

Slab lifting device, slab moving system and slab moving method

Technical Field

The application relates to the field of hot-rolled steel billet production equipment, in particular to a slab lifting device, a slab moving system and a slab moving method.

Background

The hot-rolled steel sheet means a strip or a plate produced by hot rolling, and the hot-rolled steel sheet may be used as it is or may be supplied as a cold-rolled steel strip as a material. The hot rolled steel plate conveying device is widely applied to industrial departments of automobiles, motors, chemical engineering, shipbuilding and the like, and the hot rolled steel plate is conveyed by a conveying roller way during production.

During the actual processing and transportation of the steel plates, the rollgang may fail to transport the steel plate slabs, thereby causing the process of continuously casting the steel slabs to be temporarily stopped. In order to ensure the continuity of the production of the hot rolled steel plate, a slab lifting device, a slab moving system and a slab moving method are required.

Disclosure of Invention

Therefore, in order to guarantee the production continuity of the hot-rolled steel plate, the embodiment of the application provides a slab lifting device, a slab moving system and a slab moving method.

In order to achieve the above purpose, the present application is implemented by the following technical solutions:

the embodiment of the first aspect of the application provides a plate blank lifting device, which comprises a plurality of moving assemblies, wherein the moving assemblies are arranged at intervals along a first direction, each moving assembly comprises a supporting roller and a connecting piece, each connecting piece comprises a first end and a second end, the first ends and the supporting rollers are arranged oppositely, and the first ends are connected with each other along the axial direction of the supporting rollers; and the first ends of the connecting pieces are respectively connected with the driving assembly, and the driving assembly is used for driving the connecting pieces to rotate around the second ends so that the connecting pieces drive the supporting rolls to rotate around the second ends.

According to an aspect of the present application, the driving assembly includes a driving member and a driving bracket, the driving member is used for driving the driving bracket to move, and the first ends of the plurality of connecting members are respectively connected to the driving bracket.

According to an aspect of the present application, the driving bracket includes a first connecting rod and a second connecting rod that are hinged to each other, the first connecting rod is hinged to the driving member, the second connecting rod extends in the first direction, and the second connecting rods respectively connect first ends of the plurality of connecting members.

Embodiments of a second aspect of the present application provide a slab moving system, and any one of the embodiments of the first aspect provides a slab lifting device; the conveying roller way comprises a support and a plurality of conveying rollers, the conveying rollers are arranged on the support at intervals along a first direction, and the plurality of conveying rollers form a supporting surface for supporting the plate blank; the slab moving system comprises a first state and a second state, wherein in the first state, the supporting roller is located on one side of the supporting surface, and in the second state, the driving assembly is used for driving the connecting piece to rotate around the second end, so that the supporting roller is located on the other side of the supporting surface.

According to the mode of the second aspect of the application, the support includes first mounting bracket and second mounting bracket, and first mounting bracket and second mounting bracket set up along the axial interval of backing roll, and the both ends of transportation roller are connected with first mounting bracket and second mounting bracket respectively, and the connecting piece sets up in one side that the second mounting bracket was kept away from to first mounting bracket, and under first state, the backing roll is located between holding surface and the first mounting bracket.

According to a mode of the second aspect of the present application, in the first state, an end of the support roller, which is away from the connecting member, is located between the support surface and the second mounting bracket.

According to an aspect of the second aspect of the present application, the second end of the connecting member is hinged to the first mounting bracket.

Embodiments of the third aspect of the present application provide a slab moving method, which is applied to the slab moving system provided in any embodiment of the second aspect, and the method includes: and in case of receiving a fault command, controlling the driving assembly to drive the connecting piece to rotate around the second end so as to enable the supporting roller to rotate around the other side of the supporting surface and bear the supporting slab.

According to an aspect of the third aspect of the present application, a drive assembly drives the link member about the second end, comprising: and controlling the driving component to contract so that the driving component drives the connecting piece to rotate around the second end.

According to an aspect of the third aspect of the present application, after controlling the drive assembly to drive the connecting member to rotate about the second end, the method includes: and under the condition of receiving the fault release instruction, controlling the driving component to extend out so that the driving component drives the connecting piece to rotate around the second end.

The embodiment of the application provides a slab lifting device, a slab moving system and a slab moving method. The slab lifting device includes a plurality of moving assemblies and a drive assembly. The movable assembly is arranged at intervals along a first direction and comprises a supporting roller and a connecting piece, the connecting piece comprises a first end and a second end which are arranged oppositely, and the first end is connected with the supporting roller along the axial direction of the supporting roller. The first end of the connecting piece is respectively connected with the driving assembly, and the driving assembly is used for enabling the connecting piece to rotate around the second end, so that the connecting piece drives the supporting roll to rotate around the second end. When the slab conveying roller way is insufficient in bearing or fails, the slab lifting device provided by the embodiment of the application can bear and lift slabs on the conveying roller way, so that the production process of the slabs is prevented from being forced to stop due to the failure of the conveying roller way, and the slab discharging continuity can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. Other features, objects, and advantages of the present application will become apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings, in which like or similar reference characters identify the same or similar features.

Fig. 1 is a schematic view of a slab lifting device provided in an embodiment of the present application;

fig. 2 is a schematic view of a slab moving system provided in an embodiment of the present application;

fig. 3 is a schematic view illustrating a first mounting bracket hinged to a connecting member according to an embodiment of the present disclosure;

fig. 4 is a flowchart of a slab moving method according to an embodiment of the present application.

Description of reference numerals:

100. a slab lifting device;

1. a moving assembly; 11. a support roller; 12. a connecting member; 121. a first end; 122. a second end;

2. a drive assembly; 21. a drive member; 22. a drive bracket; 221. a first connecting rod; 222. a second connecting rod;

200. a slab moving system;

3. a conveying roller way; 31. a support; 311. a first mounting bracket; 312. a second mounting bracket; 32. a transport roller;

x, a first direction; y, axial direction of the supporting roller; z, vertical direction.

Detailed Description

Features of various aspects and exemplary embodiments of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.

It is noted that, herein, relational terms such as "first," "second," and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

For a better understanding of the technical solutions and effects of the present application, specific embodiments will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a slab lifting device 100 according to a first embodiment of the present application is provided, where the slab lifting device 100 includes: a plurality of moving assemblies 1 and a driving assembly 2. The plurality of moving assemblies 1 are arranged at intervals along the first direction X, each moving assembly 1 comprises a supporting roller 11 and a connecting member 12, each connecting member 12 comprises a first end 121 and a second end 122 which are arranged oppositely, and the first ends 121 are connected with the supporting rollers 11 along the axial direction Y of the supporting rollers 11. The first ends 121 of the plurality of connecting members 12 are respectively connected to the driving assembly 2, and the driving assembly 2 is configured to drive the connecting members 12 to rotate around the second ends 122, so that the supporting rollers 11 are driven by the connecting members 12 to rotate around the second ends 122.

In the first embodiment of the present application, the moving assembly 1 includes a support roller 11 and a connecting member 12, the connecting member 12 includes a first end 121 and a second end 122 which are oppositely arranged, and the first end 121 is connected with the support roller 11 along the axial direction Y of the support roller 11. The second ends 122 of the plurality of link members 12 may be fixedly coupled to a mounting platform, a floor, a wall, or the like, such that the first ends 121 of the plurality of link members 12 may rotate about the second ends 122 under the influence of the drive assembly 2. When the connecting member 12 moves to the first position around the second end 122, the first end 121 and the second end 122 are arranged along the vertical direction Z, the first end 121 of the connecting member 12 is at the highest height, and the height of the supporting roller 11 connected with the connecting member 12 is also at the highest height; drive assembly 2 drive connecting piece 12 is around second end 122 clockwise or anticlockwise rotation, and connecting piece 12 drives backing roll 11 and rotates around second end 122 for connecting piece 12 deviates from vertical direction Z, is the second position of connecting piece 12 this moment, and connecting piece 12 deviates from vertical direction Z and drives the high decline of backing roll 11, and so, the slab of placing on backing roll 11 also can descend along with the high decline of backing roll 11. The connecting element 12 can continue to move about the second end 122 until it returns to the first position, the first end 121 and the second end 122 being again arranged in the vertical direction Z. The first end 121 of the connecting element 12 is higher in the first position than in the second position, and the first end 121 is connected to the support roll 11, so that the support roll 11 can move the slab by driving the connecting element 12 and thus adjusting the position of the support roll 11.

Under the normal processing state, a plurality of slabs can be transported in sequence through the transportation roller way. When slab transportation roll table bears not enough or breaks down, can use the slab hoisting device 100 that this application first aspect provided, through removing backing roll 11 for backing roll 11 bears one or more slab and leaves the transportation roll table, thereby reserves more spaces on the transportation roll table and holds other slabs. When the transport roller way has enough space to transport the slab or the fault of the transport roller way is relieved, the support roller 11 is moved, so that the support roller 11 bears one or more slabs and is placed on the transport roller way again for continuous processing.

The slab lifting device 100 provided by the embodiment of the application can avoid the phenomenon that the slab is forced to stop due to the fault of the conveying roller way, and can improve the continuity of the slab discharging.

As will be understood by those skilled in the art, the slab lifting device 100 has a plurality of moving assemblies 1, and the plurality of moving assemblies 1 are arranged at intervals along the first direction X. The first ends 121 of the plurality of connecting members 12 are connected to the driving assembly 2, the driving assembly 2 can drive the plurality of connecting members 12 simultaneously, and the plurality of connecting members 12 can drive the plurality of supporting rollers 11 to move simultaneously. The slab lifting device 100 can lift a plurality of slabs in this way, and more time is won for relieving the fault of the transport roller way.

In some alternative embodiments, the driving assembly 2 includes a driving member 21 and a driving bracket 22, the driving member 21 is used for driving the driving bracket 22 to move, and the first ends 121 of the plurality of connecting members 12 are respectively connected with the driving bracket 22.

In these alternative embodiments, the driving bracket 22 is connected to the first end 121 of the connecting member 12, and the connecting member 12 rotates around the second end 122, so that the action point of the driving force exerted by the driving bracket 22 is located at the first end 121, and the second end 122 of the first end 121 is oppositely arranged at the two ends of the connecting member 12. Thus, coupling the drive bracket 22 to the first end 121 reduces the drive force required to rotate the drive link 12 about the second end 122.

In some alternative embodiments, the driving bracket 22 includes a first connecting rod 221 and a second connecting rod 222 hinged to each other, the first connecting rod 221 is hinged to the driving member 21, the second connecting rod 222 extends along the first direction X, and the second connecting rods 222 are respectively connected to the first ends 121 of the plurality of connecting members 12.

In these alternative embodiments, the first and

second connection rods

221 and 222 are hinged to each other such that the first and

second connection rods

221 and 222 can rotate with respect to each other. When the driving member 21 is a hydraulic cylinder, the driving member 21 can reciprocate linearly along the first direction X, and the first connecting rod 221 rotates relative to the driving member 21, so that the second connecting rod 222 hinged to the first connecting rod 221 moves linearly along the first direction X. In addition, the two ends of the first connecting rod 221 are respectively connected with the second connecting rod 222 and the driving member 21, and the first connecting rod 221 with enough length can reduce the heat transferred between the second connecting rod 222 and the driving member 21, so as to avoid overheating of the driving member 21 to a certain extent, thereby affecting the working performance of the driving member 21.

Alternatively, the driver 21 may comprise a heat shield, by which the adverse effect of high temperatures on the driver 21 is reduced.

Referring to fig. 2, a moving system according to a second aspect of the present application is provided, including the slab lifting device according to any one of the embodiments of the first aspect of the present application, and a transporting roller table 3, where the transporting roller table 3 includes a support 31 and a plurality of transporting rollers 32, the transporting rollers 32 are disposed on the support 31 at intervals along a first direction X, and the plurality of transporting rollers 32 form a supporting surface for supporting a slab; the slab moving system 200 comprises a first state in which the support rolls 11 are located on one side of the support surface and a second state in which the driving assembly 2 is used to drive the connecting member 12 to rotate about the first end 121 so that the support rolls 11 are located on the other side of the support surface.

In the second embodiment of the present application, the transport rollers 32 of the slab moving system 200 are arranged on the support 31 at intervals along the first direction X, and the moving assemblies 1 of the slab lifting device are also arranged at intervals along the first direction X, and the moving assemblies 1 comprise the support rollers 11 and the connecting members 12. A plurality of transport rollers 32 form a support surface for supporting the slabs, and the support rollers 11 rotate around the transport rollers 32. In the first and second states, the support rollers 11 are located on both sides of the support surface, respectively. It will be appreciated that the support rollers 11 may be positioned at a level with the transport rollers 32 during the rotation of the support rollers 11, and the support rollers 11 and the transport rollers 32 may be spaced apart from each other in the first direction X without interference.

In an embodiment, the first state may be that the support rollers 11 are located at a lower side of the support surface formed by the transport rollers 32, i.e., the support rollers 11 have a height lower than the transport rollers 32. In contrast, the second state may be that the support rollers 11 are located on the upper side of the support surface formed by the transport rollers 32, i.e., the height of the support rollers 11 is higher than the height of the transport rollers 32. When the transport roller table 3 is under-loaded or has a fault, the slab moving system 200 is switched from the first state to the second state, at this time, the support rollers 11 are located on one side above the support surface formed by the transport rollers 32, and the support rollers 11 are used for loading and lifting the slab on the transport roller table 3. When the transport roller way 3 has enough space to transport the slab or the fault of the transport roller way 3 is relieved, the slab moving system 200 is switched from the second state to the first state, and the support roller 11 replaces the slab on the transport roller way 3 for transportation. In some optional embodiments, the bracket 31 includes a first mounting bracket 311 and a second mounting bracket 312, the first mounting bracket 311 and the second mounting bracket 312 are disposed at intervals along the axial direction Y of the support roller 11, two ends of the transportation roller 32 are respectively connected with the first mounting bracket 311 and the second mounting bracket 312, the connecting member 12 is disposed on one side of the first mounting bracket 311 away from the second mounting bracket 312, and in the first state, the support roller 11 is located between the support surface and the first mounting bracket 311.

Optionally, two ends of the transportation roller 32 are respectively connected with the first mounting frame 311 and the second mounting frame 312, two ends of the transportation roller 32 can be sleeved on the first mounting frame 311 and the second mounting frame 312, and the transportation roller 32 rotates to drive the slab to be transported. Alternatively, both ends of the transportation roller 32 may be fixedly mounted on the first and second mounting

brackets

311 and 312.

Optionally, the connecting element 12 is disposed on a side of the first mounting frame 311 away from the second mounting frame 312, so that the connecting element 12 can be conveniently mounted and dismounted, and the connecting element 12 does not form an obstacle to the transportation of the slab by the transportation roller 32.

In the first state, the support roller 11 is located between the support surface and the first mounting bracket 311. I.e. the support rollers 11 are at a lower level than the transport rollers 32 in the first state, when the transport rollers 32 normally transport the slabs. The support rolls 11 are higher than the transport rolls 32 in the second state and the support rolls 11 lift the slab.

Optionally, the first mounting frame 311 and the second mounting frame 312 may be i-shaped, and the first mounting frame 311 in the i-shape away from the second mounting frame 312 not only can meet the stress requirement of the bearing plate blank, but also can fully and reasonably utilize the manufacturing material.

In some alternative embodiments, in the first state, the end of the support roller 11 remote from the link 12 is located between the support surface and the second mounting bracket 312.

In these alternative embodiments, the support rollers 11 may be the same length as the transport rollers 32. In this way, in the first state, the end of the support roller 11 remote from the link 12 is located between the support surface and the second mounting frame 312. Or the length of the supporting roller 11 can be shorter than that of the conveying roller 32, so that the material of the supporting roller 11 can be saved, and the manufacturing cost can be reduced. The length of the support rolls 11 may be selected according to the size of the slabs of different production batches, but is not limited in this application.

Referring also to fig. 3, in some alternative embodiments, the second end 122 of the connecting member 12 is hinged to the first mounting frame 311.

In these alternative embodiments, the first mounting frame 311 may be an i-shaped first mounting frame 311, the i-shaped first mounting frame 311 includes a first wing surface, a second wing surface, and a web plate disposed between the first wing surface and the second wing surface, and the second end 122 of the connecting member 12 is hinged to the web plate of the first mounting frame 311.

Referring to fig. 4, a slab moving method according to a third aspect of the present application is applied to the slab moving system according to any of the second aspect of the present application, and the method may include:

and S100, controlling the driving assembly to drive the connecting piece to rotate around the second end under the condition that the fault instruction is received, so that the supporting roller winds around the other side of the supporting surface and bears the supporting slab.

According to the method provided by the embodiment of the third aspect of the application, when the fault instruction is received, the driving assembly can be controlled to drive the connecting piece to rotate around the second end, so that the supporting roller can rotate around the other side of the supporting surface and bear the slab, the sudden stop of the slab production process can be avoided, some preparation time can be provided for responding to the fault after the fault occurs, and the method can guarantee the continuity of slab production to a certain extent.

Optionally, the slab moving system further includes a communication module, a memory and a processor, the memory is used for storing the control instruction, and the processor executes the control instruction stored in the memory to implement the slab moving method. The communication module can be in signal connection with an external control terminal, an operator can send a fault instruction to the communication module through the external control terminal, and the processor sends a control instruction to the driving assembly to enable the driving assembly to drive the connecting piece to rotate around the second end under the condition that the slab moving system receives the fault instruction, so that the supporting roller can wind the other side of the supporting surface and bear the slab.

Optionally, the hydraulic cylinder is used as a driving assembly, the driving assembly makes linear reciprocating motion along a first direction, the processor sends a control instruction to the driving assembly so that the driving assembly moves along the first direction, the driving assembly drives the connecting piece to rotate, and the supporting roller connected with the connecting piece can change along with the change of the motion state of the connecting piece. When the communication module sends a fault instruction, the hydraulic cylinder drives the connecting piece to rotate clockwise or anticlockwise around the second end, so that the height of the supporting roller is increased, and the height of the plate blank is increased. It will be appreciated that the type of drive assembly is not limited by the present application and that the drive assembly may be circular or otherwise configured such that the drive assembly is configured to drive the link about the second end of the link.

As an alternative embodiment, the S100 may include:

and controlling the driving component to contract so that the driving component drives the connecting piece to rotate around the second end.

Optionally, the communication module sends a contraction instruction to the driving assembly to control the driving assembly to contract along the first direction, and the rotation of the connecting member around the second end may be clockwise or counterclockwise. When the drive assembly is retracted, the link may rotate clockwise about the second end such that the height of the first end of the link is increased. At this time, the connecting piece drives the supporting roller to move, and the height of the supporting roller is higher than that of the supporting surface formed by the conveying roller. In this case, the support rolls are used to raise the height of the slab. In contrast, when the drive assembly is extended, the link member can be rotated counterclockwise about the second end such that the height of the first end of the link member is lowered. At the moment, the connecting piece drives the supporting roller to move, and the height of the supporting roller is lower than that of a supporting surface formed by the conveying roller.

As an alternative embodiment, after the above S100, the following steps may be included:

and under the condition of receiving the fault release instruction, controlling the driving component to extend out so that the driving component drives the connecting piece to rotate around the second end.

Optionally, after receiving the failure release instruction, the communication module controls the driving assembly to extend along the first direction, and the connecting member may rotate clockwise or counterclockwise around the second end. The connecting piece rotates around the second end to drive the supporting roller to descend and is lower than the supporting surface formed by the conveying rollers, so that the conveying roller way can continuously convey a plurality of plate blanks. When slabs are placed on the transport roller, the slabs need to be moved before the connecting piece rotates around the second end, so that space is provided for the slabs of the support roller placed on the transport roller.

It is to be understood that the present application is not limited to the particular arrangements and instrumentality described above and shown in the attached drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present application are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications, and additions or change the order between the steps after comprehending the spirit of the present application.

As described above, only the specific embodiments of the present application are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered within the scope of the present application.

Claims

1. A slab lifting device, comprising:

the moving assemblies are arranged at intervals along a first direction and comprise supporting rollers and connecting pieces, each connecting piece comprises a first end and a second end which are arranged oppositely, and the first ends are connected with the supporting rollers along the axial direction of the supporting rollers;

and the driving assembly is used for driving the connecting piece to rotate around the second end, so that the connecting piece drives the supporting roller to rotate around the second end.

2. Slab lifting device according to claim 1,

the driving assembly comprises a driving piece and a driving support, the driving piece is used for driving the driving support to move, and the first ends of the connecting pieces are connected with the driving support respectively.

3. Slab lifting device according to claim 2, characterized in that the drive carriage comprises a first connecting rod and a second connecting rod which are mutually articulated, the first connecting rod being articulated with the drive, the second connecting rod extending in the first direction and being connected to the first ends of a plurality of the connecting pieces, respectively.

4. A slab moving system, comprising:

a slab lifting device as claimed in any one of claims 1 to 3;

the conveying roller way comprises a support and a plurality of conveying rollers, the conveying rollers are arranged on the support at intervals along the first direction, and the plurality of conveying rollers form a supporting surface for supporting the plate blank;

wherein the slab moving system comprises a first state and a second state,

in the first state, the support roller is located on one side of the support surface,

in the second state, the driving assembly is used for driving the connecting piece to rotate around the first end, so that the supporting roller is located on the other side of the supporting surface.

5. Slab moving system according to claim 4, characterized in that the support comprises a first mounting frame and a second mounting frame, the first mounting frame and the second mounting frame being arranged at intervals along the axial direction of the supporting roller, the two ends of the transport roller being connected with the first mounting frame and the second mounting frame, respectively, the connecting piece being arranged on the side of the first mounting frame remote from the second mounting frame, in the first state, the supporting roller being located between the supporting surface and the first mounting frame.

6. Slab moving system according to claim 5, characterized in that in the first state the end of the support roll remote from the connecting piece is located between the support surface and the second mounting frame.

7. Slab moving system according to claim 5, characterized in that the second end of the connecting element is hinged to the first mounting frame.

8. A slab transfer method, characterized by being applied to the slab transfer system as claimed in claims 4-7, said method comprising:

and under the condition of receiving a fault instruction, controlling the driving assembly to drive the connecting piece to rotate around the second end, so that the supporting roller rotates around the other side of the supporting surface and bears the supporting plate blank.

9. The method of claim 8, wherein the drive assembly drives movement of the link about the second end, comprising:

controlling the driving component to contract so that the driving component drives the connecting piece to rotate around the second end.

10. The method of claim 9, wherein after controlling the drive assembly to drive the link to rotate about the second end, comprising:

and under the condition of receiving a fault release instruction, controlling the driving component to extend out, so that the driving component drives the connecting piece to rotate around the second end.