Flatness detection equipment based on high-toughness PVC floor

Abstract

The invention discloses flatness detection equipment based on a high-toughness PVC floor, and relates to the technical field of floor detection, the flatness detection equipment comprises a working plate, and further comprises a fixing mechanism, a reciprocating mechanism, a folded plate, a telescopic piece, a sliding plate and a detection mechanism, and the detection mechanism comprises a sliding rod, a pressing wheel, a second elastic piece and a marking assembly. The floor is fixed through the fixing mechanism, the pressing wheel is pressed on the surface of the floor, the reciprocating mechanism drives the pressing wheel to move along the surface of the floor, and the flatness of the surface of the ground is detected, and when the pressing wheel moves to the concave-convex position of the surface of the floor, the pressing wheel cooperates with the second elastic piece to drive the sliding rod to move longitudinally. The displacement amplification assembly amplifies the movement distance of the sliding rod and drives the cover plate to move transversely, so that the bottom of the liquid outlet pipe is exposed, the marking liquid flows out, and the uneven position of the floor surface is marked.

Description

Technical Field

[0001] The invention relates to the technical field of floor detection, in particular to a flatness detection device based on a high-toughness PVC floor. Background Art

[0002] PVC flooring, also known as "lightweight flooring," is a very popular new lightweight flooring material worldwide. It is widely used in homes, hospitals, schools, office buildings, factories, public places, supermarkets, and commercial spaces. "PVC flooring" refers to flooring made from polyvinyl chloride (PVC). It is primarily made from polyvinyl chloride (PVC) and its copolymer resins, with fillers, plasticizers, stabilizers, colorants, and other additives added. The material is then applied to a continuous sheet substrate through a coating process or through calendering, extrusion, or other processes.

[0003] During the flooring production process, the flooring needs to be inspected for flatness. Existing techniques often use a ruler to inspect the flatness of the flooring, but this method cannot mark uneven or uneven areas, hindering subsequent repairs. Therefore, a flatness inspection device based on high-toughness PVC flooring is urgently needed to address this issue. Summary of the Invention

[0004] The purpose of the embodiments of the present invention is to provide a flatness detection device based on high-toughness PVC flooring to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A flatness detection device based on high-toughness PVC flooring, comprising a working plate and:

[0007] A fixing mechanism, connected to the top of the working plate, for fixing the floor;

[0008] A reciprocating mechanism connected to the top of the working plate;

[0009] a folding plate connected to the reciprocating mechanism;

[0010] The telescopic member has a top end connected to the top of the folding plate;

[0011] A sliding plate is connected to the bottom end of the telescopic member and is slidably connected to the folding plate;

[0012] A detection mechanism is connected to the sliding plate. The detection mechanism is provided with several groups and is arranged in a straight line along the sliding plate to detect the flatness of the floor surface. The detection mechanism includes:

[0013] Sliding rods pass through the sliding plate and are slidably connected thereto, wherein the sliding rods are provided in a plurality of groups and are arranged in a straight line;

[0014] A pressure wheel is rotatably connected to the bottom of the sliding rod and abuts against the floor surface;

[0015] The second elastic member is sleeved on the sliding rod, with the bottom end connected to the sliding rod and the top end connected to the sliding plate;

[0016] The marking component is connected to the sliding rod at one end and the sliding plate at the other end, and is used for marking uneven areas on the floor surface.

[0017] As a further solution of the present invention: the fixing mechanism includes:

[0018] A placement plate connected to the working plate, wherein the placement plate is provided in a plurality of groups;

[0019] A fixed cylinder connected to the placement plate;

[0020] A sliding folding rod is slidably connected to the fixed cylinder;

[0021] A fixed plate connected to the top of the sliding folding rod;

[0022] The elastic member 1 has one end connected to the bottom end of the sliding folding rod and the other end connected to the placement plate.

[0023] As a further solution of the present invention: the reciprocating mechanism includes:

[0024] The motor is connected to the working plate;

[0025] Threaded rods, wherein the threaded rods are provided in two groups and are rotatably connected to the working plate, and one group of threaded rods is connected to the output end of the motor;

[0026] A threaded block is threadedly connected to the threaded rod and is slidably connected to the working plate, and the threaded block is connected to the folding plate;

[0027] The belt has two ends respectively connected with the two groups of threaded rods.

[0028] As a further embodiment of the present invention, the marking assembly comprises:

[0029] a silo connected to the sliding plate, wherein the silo contains a marking liquid;

[0030] The top of the liquid outlet pipe is connected to the bottom of the silo and communicates with the interior of the silo;

[0031] a cover plate abutting against the bottom end of the liquid outlet pipe;

[0032] A displacement amplifying component, one end of which is connected to the sliding rod and the other end is connected to the cover plate, is used to amplify the movement distance of the sliding rod and drive the cover plate to move horizontally;

[0033] A limit assembly, one end of which is connected to the sliding plate and the other end of which is in contact with the displacement amplification assembly;

[0034] The stirring component is connected to the displacement amplifying component and is located inside the silo, and is used to stir the marking liquid.

[0035] As a further solution of the present invention: the displacement amplification component includes:

[0036] Rotate the folding rod so that the top end is connected to the sliding plate;

[0037] The middle part of the bar frame is rotatably connected to the bottom end of the rotating folding rod;

[0038] A fixed folding rod, one end of which is connected to the sliding rod;

[0039] The rotating wheel is rotatably connected to the other end of the fixed folding rod and is movably connected to the frame;

[0040] The winding belt is connected to the bar frame at one end;

[0041] Connecting folding rods connected to the sliding plates;

[0042] a rotating roller rotatably connected to the connecting folding rod, wherein a winding belt is wound around the rotating roller and connected to the other end thereof;

[0043] A volute spring, one end of which is connected to the rotating roller and the other end of which is connected to the connecting folding rod;

[0044] The power component has one end connected to the rotating roller and the other end connected to the cover plate, and is used to drive the cover plate to move.

[0045] As a further solution of the present invention: the power assembly includes:

[0046] a gear connected to the rotating roller;

[0047] The tooth plate is slidably connected to the sliding plate and meshes with the gear. The tooth plate is connected to the cover plate.

[0048] As a further solution of the present invention: the limiting component includes:

[0049] A fixed sleeve, the top end of which is connected to the sliding plate;

[0050] A rotating rod, rotatably connected to the bottom end of the fixed sleeve;

[0051] The abutment rod is connected with the rotating rod, and the abutment rod is located at the top of the bar frame.

[0052] As a further solution of the present invention: the stirring assembly includes:

[0053] A stirring folding rod connected to the tooth plate;

[0054] The rotating sleeve is rotatably connected to the stirring folding rod;

[0055] The semicircular balls are connected to the rotating sleeve. The semicircular balls are provided in a plurality of groups and are arranged in a circle at equal intervals.

[0056] Compared with the prior art, the present invention has the following beneficial effects:

[0057] The present invention fixes the floor through a fixing mechanism, and the pressure wheel presses on the floor surface. The reciprocating mechanism drives the pressure wheel to move along the floor surface to detect the flatness of the ground surface. When the pressure wheel moves to the uneven part of the floor surface, the pressure wheel cooperates with the second elastic member to drive the sliding rod to move longitudinally. The displacement amplification component amplifies the movement distance of the sliding rod and drives the cover plate to move horizontally, so that the bottom of the liquid outlet pipe is exposed, the marking liquid flows out, and the uneven part of the floor surface is marked. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] Figure 1 The figure is a schematic structural diagram of a flatness detection device based on a high-toughness PVC floor in an embodiment of the present invention.

[0059] Figure 2 Schematic diagram of the structure of the reciprocating mechanism in an embodiment of the present invention.

[0060] Figure 3 Schematic diagram of the structure of the fixing mechanism in an embodiment of the present invention.

[0061] Figure 4 Schematic diagram of the structure of the detection mechanism in an embodiment of the present invention.

[0062] Figure 5 Schematic diagram of a portion of the structure of the detection mechanism in an embodiment of the present invention.

[0063] Figure 6 Schematic diagram of the structure of the marking component in an embodiment of the present invention.

[0064] Figure 7 A schematic diagram of the structure of the marked components from another angle.

[0065] Figure 8 for Figure 7 A magnified schematic diagram of the structure at point A.

[0066] In the figure: 1. working plate; 2. fixing mechanism; 21. placing plate; 22. fixing cylinder; 23. sliding folding rod; 24. fixing plate; 25. elastic member 1; 3. reciprocating mechanism; 31. motor; 32. threaded rod; 33. threaded block; 34. belt; 4. folding plate; 5. telescopic member; 6. sliding plate; 7. detection mechanism; 71. sliding rod; 72. pressure wheel; 73. elastic member 2; 74. marking assembly; 741. hopper; 742. liquid outlet pipe; 743. cover plate; 744. displacement amplification assembly; 7 45. Limiting assembly; 746. Stirring assembly; 7441. Rotating folding rod; 7442. Bar frame; 7443. Fixed folding rod; 7444. Rotating wheel; 7445. Winding belt; 7446. Connecting folding rod; 7447. Rotating roller; 7448. Power assembly; 7449. Volute spring; 74481. Gear; 74482. Tooth plate; 7451. Fixed sleeve; 7452. Rotating rod; 7453. Abutting rod; 7461. Stirring folding rod; 7462. Rotating sleeve; 7463. Hemisphere. DETAILED DESCRIPTION

[0067] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0068] In the embodiment of the present invention, please refer to Figures 1 to 8 A flatness detection device based on a high-toughness PVC floor comprises a working plate 1 and further comprises:

[0069] The fixing mechanism 2 is connected to the top of the working plate 1 and is used to fix the floor;

[0070] Reciprocating mechanism 3, connected to the top of the working plate 1;

[0071] Folding plate 4, connected to the reciprocating mechanism 3;

[0072] The top of the telescopic member 5 is connected to the top of the folding plate 4;

[0073] The sliding plate 6 is connected to the bottom end of the telescopic member 5 and is slidably connected to the folding plate 4;

[0074] The detection mechanism 7 is connected to the sliding plate 6. The detection mechanism 7 is provided with several groups and is arranged in a straight line along the sliding plate 6 for detecting the flatness of the floor surface. The detection mechanism 7 includes:

[0075] The sliding rod 71 passes through the sliding plate 6 and is slidably connected thereto. The sliding rod 71 is provided in a plurality of groups and arranged in a straight line.

[0076] The pressure wheel 72 is rotatably connected to the bottom of the sliding rod 71 and abuts against the floor surface;

[0077] The second elastic member 73 is sleeved on the sliding rod 71, with the bottom end connected to the sliding rod 71 and the top end connected to the sliding plate 6;

[0078] The marking assembly 74 is connected to the sliding rod 71 at one end and to the sliding plate 6 at the other end, and is used to mark uneven areas on the floor surface.

[0079] The fixing mechanism 2 secures the floor, and the telescopic member 5 drives the sliding plate 6 downward, causing the pressure roller 72 to abut against the floor surface. The reciprocating mechanism 3 drives the pressure roller 72 along the floor surface. When the pressure roller 72 reaches a concave or convex portion of the floor surface, the pressure roller 72 cooperates with the second elastic member 73 to drive the sliding rod 71 longitudinally. The sliding rod 71 drives the marking assembly 74 to move, marking the concave or convex portion of the floor surface. The second elastic member 73 can be a spring, a spring, or the like.

[0080] As an embodiment of the present invention, please refer to Figures 1 to 3 , the fixing mechanism 2 includes:

[0081] A placement plate 21 is connected to the working plate 1, and the placement plate 21 is provided in several groups;

[0082] The fixed cylinder 22 is connected to the placement plate 21;

[0083] The sliding folding rod 23 is slidably connected to the fixed cylinder 22;

[0084] The fixed plate 24 is connected to the top of the sliding folding rod 23;

[0085] The elastic member 1 25 has one end connected to the bottom end of the sliding folding rod 23 and the other end connected to the placement plate 21.

[0086] When the floor is placed on the placement plate 21, the side of the floor presses against the fixed plate 24, which drives the sliding folding rod 23 to move, pressing the elastic member 1 25, causing the elastic member 1 25 to elastically deform. Under the reaction force of the elastic member 1 25, the fixed plate 24 fixes the floor. The elastic member 1 25 can be a spring, a spring, etc.

[0087] As an embodiment of the present invention, please refer to Figure 1 and Figure 2 , the reciprocating mechanism 3 includes:

[0088] Motor 31, connected to the working plate 1;

[0089] Threaded rods 32, wherein the threaded rods 32 are provided in two groups and are rotatably connected to the working plate 1, and one group of the threaded rods 32 is connected to the output end of the motor 31;

[0090] The threaded block 33 is threadedly connected to the threaded rod 32 and is slidably connected to the working plate 1. The threaded block 33 is connected to the folding plate 4;

[0091] The belt 34 has two ends connected to the two groups of threaded rods 32 respectively.

[0092] The motor 31 drives a set of threaded rods 32 to rotate, and the belt 34 drives the two sets of threaded rods 32 to rotate synchronously. The threaded rods 32 drive the threaded blocks 33 to move horizontally, and the threaded blocks 33 drive the folding plate 4 to move, and then drive the pressure wheel 72 to move on the floor.

[0093] As an embodiment of the present invention, please refer to Figure 1 、 Figures 4 to 8 , the marking component 74 includes:

[0094] A silo 741 is connected to the sliding plate 6 and contains a marking liquid;

[0095] The top end of the liquid outlet pipe 742 is connected to the bottom of the silo 741 and communicates with the interior thereof;

[0096] The cover plate 743 abuts against the bottom end of the liquid outlet pipe 742;

[0097] The displacement amplifying component 744 is connected to the sliding rod 71 at one end and to the cover plate 743 at the other end, and is used to amplify the movement distance of the sliding rod 71 and drive the cover plate 743 to move laterally;

[0098] The limiting component 745 has one end connected to the sliding plate 6 and the other end abutting against the displacement amplifying component 744;

[0099] The stirring assembly 746 is connected to the displacement amplifying assembly 744 and is located inside the hopper 741 for stirring the marking liquid;

[0100] The displacement amplification component 744 includes:

[0101] Rotate the folding rod 7441 so that the top end is connected to the sliding plate 6;

[0102] The middle portion of the bar frame 7442 is rotatably connected to the bottom end of the rotating folding rod 7441;

[0103] A fixed folding rod 7443, one end of which is connected to the sliding rod 71;

[0104] The rotating wheel 7444 is rotatably connected to the other end of the fixed folding rod 7443 and is movably engaged with the bar frame 7442;

[0105] One end of the winding belt 7445 is connected to the bar frame 7442;

[0106] Connecting folding rod 7446, connected to sliding plate 6;

[0107] A rotating roller 7447 is rotatably connected to the connecting folding rod 7446. A winding belt 7445 is wound around the rotating roller 7447 and connected to the other end thereof.

[0108] A volute spring 7449 is connected to the rotating roller 7447 at one end and to the connecting folding rod 7446 at the other end;

[0109] The power assembly 7448 has one end connected to the rotating roller 7447 and the other end connected to the cover plate 743, and is used to drive the cover plate 743 to move.

[0110] When the pressure wheel 72 moves to the concave and convex part of the floor surface, the pressure wheel 72 cooperates with the elastic part 2 73 to drive the sliding rod 71 to move longitudinally, the sliding rod 71 drives the fixed folding rod 7443 to move longitudinally, and the fixed folding rod 7443 drives the rotating wheel 7444 to move longitudinally, so that the bar frame 7442 rotates around the rotating folding rod 7441, and the bar frame 7442 drives the winding belt 7445 to move, and cooperates with the volute spring 7449 to drive the rotating roller 7447 to rotate, the rotating roller 7447 drives the power component 7448 to move, and the power component 7448 drives the cover plate 743 to move, so that the bottom end of the liquid outlet pipe 742 is exposed, and the marking liquid in the material bin 741 flows out to mark the concave and convex parts of the floor surface.

[0111] As an embodiment of the present invention, please refer to Figure 1 、 Figures 4 to 8 , the power assembly 7448 includes:

[0112] Gear 74481 is connected to the rotating roller 7447;

[0113] The tooth plate 74482 is slidably connected to the sliding plate 6 and meshes with the gear 74481 . The tooth plate 74482 is connected to the cover plate 743 .

[0114] The rotating roller 7447 drives the gear 74481 to rotate, the gear 74481 drives the tooth plate 74482 to move horizontally, and the tooth plate 74482 drives the cover plate 743 to move, so that the bottom end of the liquid outlet pipe 742 is exposed, and the marking liquid in the silo 741 flows out to mark the concave and convex parts of the floor surface.

[0115] As an embodiment of the present invention, please refer to Figure 1 、 Figure 4 and Figure 5 , the limiting component 745 includes:

[0116] The top end of the fixed sleeve 7451 is connected to the sliding plate 6;

[0117] The rotating rod 7452 is rotatably connected to the bottom end of the fixed sleeve 7451;

[0118] The abutment rod 7453 is connected to the rotating rod 7452 , and the abutment rod 7453 is located at the top of the bar frame 7442 .

[0119] When the floor needs to be inspected, the abutment rod 7453 is rotated so that the abutment rod 7453 is rotated to a vertical state, and the abutment rod 7453 is rotated to abut against the bar frame 7442, so that the bar frame 7442 is in a horizontal state, and the telescopic part 5 drives the sliding plate 6 to move downward, so that the pressure wheel 72 moves to abut against the floor, and then the abutment rod 7453 is rotated in the opposite direction, so that the abutment rod 7453 returns to its original position, thereby releasing the limit on the bar frame 7442.

[0120] In this embodiment, there is a large friction force between the rotating rod 7452 and the fixing sleeve 7451, so that the rotating rod 7452 will not rotate without the action of external force.

[0121] As an embodiment of the present invention, please refer to Figure 1 、 Figures 4 to 8 , the stirring assembly 746 includes:

[0122] The stirring folding rod 7461 is connected to the tooth plate 74482;

[0123] The rotating sleeve 7462 is rotatably connected to the stirring folding rod 7461;

[0124] The semicircular balls 7463 are connected to the rotating sleeve 7462. The semicircular balls 7463 are provided in several groups and are arranged in a circle with equal intervals.

[0125] The tooth plate 74482 drives the stirring folding rod 7461 to move horizontally, and the stirring folding rod 7461 drives the rotating sleeve 7462 and the semicircular ball 7463 to move. Due to the resistance generated by the marking liquid, the semicircular ball 7463 rotates to stir the marking liquid and ensure the fluidity of the marking liquid.

[0126] The working principle of the present invention is as follows: in the initial state, the bar frame 7442 is in an inclined state, and one end close to the rotating rod 7452 is higher than the other end, and the abutting rod 7453 is in a horizontal state;

[0127] When the floor needs to be inspected, the abutment rod 7453 is rotated so that the abutment rod 7453 is rotated to a vertical state, and the abutment rod 7453 is rotated to abut against the bar frame 7442, so that the bar frame 7442 is in a horizontal state, and the floor is placed on the placement plate 21. The side of the floor squeezes the fixed plate 24, and the fixed plate 24 drives the sliding folding rod 23 to move, squeezing the elastic member 25, so that the elastic member 25 undergoes elastic deformation. Under the reaction force of the elastic member 25, the fixed plate 24 is The floor is fixed, and the telescopic member 5 drives the sliding plate 6 to move downward, so that the pressure wheel 72 moves to abut against the floor, and then the abutting rod 7453 is rotated in the opposite direction, so that the abutting rod 7453 returns to its original position, releasing the limit of the bar frame 7442, and the motor 31 drives a set of threaded rods 32 to rotate. Driven by the belt 34, the two sets of threaded rods 32 rotate synchronously, and the threaded rods 32 drive the threaded block 33 to move horizontally, and the threaded block 33 drives the folding plate 4 to move, thereby driving the pressure wheel 72 to move on the floor;

[0128] When the pressing wheel 72 moves to the concave and convex part of the floor surface, the pressing wheel 72 cooperates with the elastic member 2 73 to drive the sliding rod 71 to move longitudinally, the sliding rod 71 drives the fixed folding rod 7443 to move longitudinally, the fixed folding rod 7443 drives the rotating wheel 7444 to move longitudinally, so that the bar frame 7442 rotates around the rotating folding rod 7441, the bar frame 7442 drives the winding belt 7445 to move, cooperates with the volute spring 7449 to drive the rotating roller 7447 to rotate, the rotating roller 7447 drives the gear 74481 to rotate, and the gear 74481 rotates. 4481 drives the tooth plate 74482 to move laterally, and the tooth plate 74482 drives the cover plate 743 to move, so that the bottom end of the liquid outlet pipe 742 is exposed, and the marking liquid in the hopper 741 flows out to mark the uneven surfaces of the floor. The tooth plate 74482 drives the stirring rod 7461 to move laterally, and the stirring rod 7461 drives the rotating sleeve 7462 and the semi-circular ball 7463 to move. Due to the resistance generated by the marking liquid, the semi-circular ball 7463 rotates, stirring the marking liquid to ensure the fluidity of the marking liquid.

[0129] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0130] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A flatness detection device based on high-toughness PVC floor, including a working plate, characterized in that: Also includes: A fixing mechanism, connected to the top of the working board, for fixing the floor; A reciprocating mechanism connected to the top of the working plate; A folding plate connected to the reciprocating mechanism; A telescopic member, the top end of which is connected to the top of the folding plate; A sliding plate connected to the bottom end of the telescopic member and slidably connected to the folding plate; The detection mechanism is connected to the sliding plate. The detection mechanism is provided with a plurality of groups and is arranged in a straight line along the sliding plate, and is used to detect the flatness of the floor surface. The detection mechanism includes: A sliding rod passes through the sliding plate and is slidably connected thereto, wherein the sliding rods are provided in a plurality of groups and are arranged in a straight line; A pressure wheel is rotatably connected to the bottom of the sliding rod and abuts against the floor surface; The second elastic member is sleeved on the sliding rod, and the bottom end is connected to the sliding rod, and the top end is connected to the sliding plate; The marking component has one end connected to the sliding rod and the other end connected to the sliding plate, and is used for marking uneven areas on the floor surface.

2. The flatness detection device based on high-toughness PVC floor according to claim 1 is characterized in that: The fixing mechanism comprises: A placement plate connected to the working plate, wherein the placement plate is provided in a plurality of groups; A fixed cylinder connected to the placement plate; A sliding folding rod is slidably connected to the fixed cylinder; A fixed plate connected to the top end of the sliding folding rod; The elastic member 1 has one end connected to the bottom end of the sliding folding rod and the other end connected to the placement plate.

3. The flatness detection device based on high-toughness PVC floor according to claim 1 is characterized in that: The reciprocating mechanism comprises: A motor connected to a working plate; Threaded rods, wherein the threaded rods are provided in two groups and are rotatably connected to the working plate, and one group of the threaded rods is connected to the output end of the motor; A threaded block, threadedly connected to the threaded rod and slidably connected to the working plate, wherein the threaded block is connected to the folding plate; The belt has two ends respectively connected with the two groups of threaded rods.

4. The flatness detection device based on high-toughness PVC floor according to claim 1 is characterized in that: The marking assembly comprises: A silo connected to the sliding plate, wherein the silo contains a marking liquid; A liquid outlet pipe, the top end of which is connected to the bottom of the silo and communicated with the interior thereof; A cover plate abutting against the bottom end of the liquid outlet pipe; A displacement amplification component, one end of which is connected to the sliding rod and the other end of which is connected to the cover plate, is used to amplify the movement distance of the sliding rod and drive the cover plate to move horizontally; A limit assembly, one end of which is connected to the sliding plate, and the other end of which is abutted against the displacement amplification assembly; The stirring component is connected to the displacement amplification component and is located inside the silo for stirring the marking liquid.

5. The flatness detection device based on high-toughness PVC floor according to claim 4 is characterized in that: The displacement amplification component comprises: The folding rod is rotated, and the top end is connected with the sliding plate; The middle part of the bar frame is rotatably connected to the bottom end of the rotating folding rod; A fixed folding rod, one end of which is connected to the sliding rod; The rotating wheel is rotatably connected to the other end of the fixed folding rod and is movably connected to the bar frame; A winding belt, one end of which is connected to the strip frame; A connecting folding rod is connected to the sliding plate; A rotating roller is rotatably connected to the connecting folding rod, a winding belt is wound around the rotating roller and connected to the other end thereof; A scroll spring, one end of which is connected to the rotating roller, and the other end of which is connected to the connecting folding rod; A power component has one end connected to the rotating roller and the other end connected to the cover plate, and is used to drive the cover plate to move.

6. The flatness detection device based on high-toughness PVC floor according to claim 5 is characterized in that: The power assembly comprises: a gear connected to the rotating roller; The tooth plate is slidably connected with the sliding plate and meshes with the gear, and the tooth plate is connected with the cover plate.

7. The flatness detection device based on high-toughness PVC floor according to claim 5 is characterized in that: The limiting component comprises: A fixed sleeve, the top end of which is connected to the sliding plate; A rotating rod, rotatably connected to the bottom end of the fixed sleeve; The abutment rod is connected with the rotating rod, and the abutment rod is located at the top of the bar frame.

8. The flatness detection device based on high-toughness PVC floor according to claim 6 is characterized in that: The stirring assembly comprises: A stirring folding rod connected to the tooth plate; A rotating sleeve is rotatably connected to the stirring folding rod; The semicircular balls are connected to the rotating sleeve. The semicircular balls are provided in a plurality of groups and are arranged in a circle at equal intervals.

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