A construction process and system for a high-performance polyurethane wear-resistant and antistatic micro-roughened layer

Abstract

This invention discloses a construction process and system for a high-performance polyurethane wear-resistant and antistatic micro-roughened layer, comprising the following steps: S4, applying a coating to the mortar: mixing intermediate coating material according to a certain ratio, adding quartz sand and stirring, then evenly applying it to the ground with a scraper; S5, grinding and curing the intermediate coating material using a grinding device; S8, applying a gravity roll to the polyurethane wear-resistant material using a roller assembly, followed by a light roll; in step S8, the gravity roll and light roll are performed alternately. This invention provides a high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction process. The gravity roll and light roll operations, especially the gravity roll, not only improve the adhesion between the polyurethane and epoxy powder but also significantly reduce the generation of bubbles after polyurethane coating.

Description

Technical Field

[0001] This invention relates to the field of wear-resistant material construction technology, specifically to a construction process and system for a high-performance polyurethane wear-resistant and antistatic micro-roughened layer. Background Technology

[0002] With the development of the times, the construction industry is also emerging. In order to improve environmental protection requirements and the practical performance of the ground, it is necessary to apply corresponding wear-resistant materials to the ground. Based on this, polyurethane wear-resistant materials have emerged. The various properties of polyurethane materials are as adjustable as those of epoxy materials, and their hardness, flexibility, and resistance to organic acids and organic solvents are also very superior.

[0003] In some scenarios requiring wear resistance and anti-static properties, polyurethane wear-resistant materials are used for construction to meet the requirements. To further improve the superior performance of the construction surface, different construction processes are used, which also have a substantial impact on its performance. In order to reduce the generation of bubbles after the polyurethane coating is evenly applied and smoothed, the existing technology generally uses a roller to roll it immediately after scraping.

[0004] The shortcomings of the existing technology are as follows: In the existing technology, such as the construction process of the above-mentioned patent, although it has good wear resistance, in actual construction, due to the characteristics of polyurethane itself, after mixing, the prepared coating needs to be scraped and rolled in a short time. However, due to the tight construction time, the above construction method can only be rolled once by the roller within the operable time after the polyurethane coating is mixed. That is, it is not easy to remove air bubbles and the adhesion is reduced accordingly. Summary of the Invention

[0005] The purpose of this invention is to provide a construction process and system for a high-performance polyurethane wear-resistant and antistatic micro-roughened layer, so as to overcome the above-mentioned shortcomings in the prior art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] The construction process for a high-performance polyurethane wear-resistant and antistatic micro-roughened layer includes the following steps:

[0008] S1. Subsurface treatment: Remove any adhering materials from the surface using grinding equipment;

[0009] S2. Crack Repair: Sealing and repairing cracks in the ground;

[0010] S3. Apply sealing primer: Mix the sealing primer according to the ratio, and then apply it evenly to seal the capillaries of the substrate.

[0011] S4. Apply intermediate coating to mortar: Mix intermediate coating material according to a certain ratio, add quartz sand and stir, then apply it evenly to the ground with a scraper;

[0012] S5. The intermediate coating material was not ground and cured using grinding equipment;

[0013] S6. Apply epoxy powder evenly using a scraper.

[0014] S7. Mix the three-component polyurethane ultra-wear-resistant material in equal proportions, and then apply it by scraping. The scraping time for the prepared polyurethane ultra-wear-resistant coating is 10-18 minutes.

[0015] S8. The polyurethane wear-resistant material is subjected to gravity rolling once by the roller assembly, and then light rolling once by the roller assembly.

[0016] In step S8, the roller assembly alternates between gravity rolling and light rolling.

[0017] In a further preferred embodiment of the present invention, in step S8, the rolling time of the roller assembly is 15-20 minutes.

[0018] In a further preferred embodiment of the present invention, in step S6, a certain proportion of quartz powder is added to the epoxy powder coating and mixed.

[0019] A high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system is provided for the above-mentioned high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction process. The high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system includes a rolling module, the rolling module includes a rolling assembly, and the rolling assembly includes a sliding seat and two first rollers disposed in the sliding seat. A second roller is disposed between the two first rollers, and the second roller is vertically slidably disposed on the sliding seat by a sliding member.

[0020] It also includes a connecting rod movably mounted on the sliding seat. As the rolling motion progresses from near to far, the angle between the connecting rod and the sliding seat gradually decreases, so that the connecting rod gradually applies pressure to the second roller through the pressure assembly.

[0021] In a further preferred embodiment of the present invention, a driving component is provided between the pressure-bearing component and the connecting rod. The pressure-bearing component includes a vertical pressure block that is slidably disposed along the thickness direction of the sliding seat, and a connecting pressure rod is rotatably disposed at one end of the vertical block. One end of the connecting pressure rod is rotatably disposed on the connecting rod, and one end of the vertical pressure block abuts against the pressure-bearing component.

[0022] In a further preferred embodiment of the present invention, the pressure-bearing component includes a vertical sliding block slidably disposed on a sliding seat, and the second roller is movably disposed on the vertical sliding block. A third elastic element is disposed between the vertical sliding block and the sliding seat, and under its elastic force, the vertical sliding block tends to move toward the direction of the vertical pressure block.

[0023] In a further preferred embodiment of the present invention, a partition component is provided on the vertical sliding block, and a stop block is provided on the vertical pressing block. The stop block abuts against the partition component provided on the vertical sliding block and can drive the partition component to move synchronously.

[0024] In a further preferred embodiment of the present invention, the partition assembly includes a tension block slidably disposed on a vertical sliding block and a locking buckle slidably disposed on the tension block, and a second elastic member is provided on one side of the locking buckle, and one end of the second elastic member abuts against the vertical sliding block.

[0025] In a further preferred embodiment of the present invention, one end of the stretching block is provided with a first elastic element, and one end of the first elastic element abuts against the vertical sliding block.

[0026] The vertical sliding block is rotatably provided with a rotating shaft, and the rotating shaft is provided with a first rotating groove. One end of the stretching block is fixedly provided with a guide post, and one end of the guide post is inserted into the first rotating groove. The circumferential surface of the rotating shaft is provided with a spiral groove that communicates with the first rotating groove. When the second roller rotates in the opposite direction, the guide post moves into the spiral groove so that the locking buckle retracts into the vertical sliding block.

[0027] In a further preferred embodiment of the present invention, a plurality of locking blocks are provided in the first rotating groove, and one side of each locking block forms a partition surface, which is inclined and its inclination direction is consistent with the inclination direction of the spiral groove.

[0028] In the above technical solution, the construction process and system for a high-performance polyurethane wear-resistant and antistatic micro-roughened layer provided by the present invention have the following beneficial effects:

[0029] This invention utilizes a roller assembly to perform both gravity rolling and light rolling on the polyurethane wear-resistant material during the application of the coating. The gravity rolling operation not only improves the adhesion between the polyurethane and epoxy powder but also significantly reduces the formation of air bubbles after the polyurethane coating. Furthermore, by immediately applying light rolling after the gravity rolling, the adhesion of the polyurethane to the epoxy powder is not easily damaged, and the rolled polyurethane is further tumbled and compressed. This not only improves adhesion and reduces air bubble formation but also allows for multiple rolling operations. Moreover, this process can achieve double rolling within the workable timeframe of the polyurethane coating through alternating gravity and light rolling using the roller assembly, greatly improving the application performance of the polyurethane material while also meeting environmental protection requirements.

[0030] It should be understood that the foregoing general description and the following detailed description are exemplary and illustrative only, and are not intended to limit this disclosure.

[0031] This application provides an overview of various implementations or examples of the technology described in this disclosure, and is not a full disclosure of the entire scope or all features of the disclosed technology. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0033] Figure 1 A flowchart of polyurethane material construction process is provided for embodiments of the present invention;

[0034] Figure 2 This is a schematic diagram of the overall structure of the rolling assembly provided in an embodiment of the present invention;

[0035] Figure 3 This is a partial structural schematic diagram provided for an embodiment of the present invention;

[0036] Figure 4 This is a schematic diagram of the structure of the second roller and the connecting rod provided in an embodiment of the present invention;

[0037] Figure 5 A cross-sectional structural diagram of the rotating shaft and the vertical sliding block provided in an embodiment of the present invention;

[0038] Figure 6 This is a schematic diagram of the structure of the rotating shaft provided in an embodiment of the present invention;

[0039] Figure 7 This is a schematic diagram of the structure of the sliding seat and the first roller provided in an embodiment of the present invention;

[0040] Figure 8 This is a schematic diagram of the tension block and locking buckle provided in an embodiment of the present invention;

[0041] Figure 9 This is a schematic diagram of the card block and the partition surface provided in an embodiment of the present invention;

[0042] Figure 10 This is a schematic diagram of the partition component placement structure provided in an embodiment of the present invention.

[0043] Explanation of reference numerals in the attached figures:

[0044] 1. Sliding seat; 11. First roller; 2. Handle; 21. Connecting rod; 12. Second roller; 211. Connecting pressure rod; 2111. Vertical pressure block; 3. Vertical sliding block; 31. Rotating shaft; 32. Locking block; 321. Partition surface; 3101. Spiral groove; 3102. First rotating groove; 3103. Second rotating groove; 33. Locking buckle; 331. Tensioning block; 332. Guide post; 3311. First elastic element; 3312. Second elastic element; 34. Third elastic element; 2112. Stop block. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0046] Please refer to 1-10. The construction process for the high-performance polyurethane wear-resistant and antistatic micro-roughened layer includes the following steps:

[0047] S1. Subsurface treatment: Remove any adhering materials from the surface using grinding equipment;

[0048] S2. Crack Repair: Sealing and repairing cracks in the ground;

[0049] S3. Apply sealing primer: Mix the sealing primer according to the ratio, and then apply it evenly to seal the capillaries of the substrate.

[0050] S4. Apply intermediate coating to mortar: Mix intermediate coating material according to a certain ratio, add quartz sand and stir, then apply it evenly to the ground with a scraper;

[0051] S5. The intermediate coating material was not ground and cured using grinding equipment;

[0052] S6. Apply epoxy powder evenly using a scraper.

[0053] S7. Mix the three-component polyurethane ultra-wear-resistant material in equal proportions, and then apply it by scraping. The scraping time for the prepared polyurethane ultra-wear-resistant coating is 10-18 minutes.

[0054] S8. The polyurethane wear-resistant material is subjected to gravity rolling once by the roller assembly, and then light rolling once by the roller assembly.

[0055] In step S8, the roller assembly alternates between gravity rolling and light rolling.

[0056] This invention utilizes a roller assembly to perform both gravity rolling and light rolling on the polyurethane wear-resistant material during the application of the coating. The gravity rolling operation not only improves the adhesion between the polyurethane and epoxy powder but also significantly reduces the formation of air bubbles after the polyurethane coating. Furthermore, by immediately applying light rolling after the gravity rolling, the adhesion of the polyurethane to the epoxy powder is not easily damaged, and the rolled polyurethane is further tumbled and compressed. This not only improves adhesion and reduces air bubble formation but also allows for multiple rolling operations. Moreover, this process can achieve double rolling within the workable timeframe of the polyurethane coating through alternating gravity and light rolling using the roller assembly, greatly improving the application performance of the polyurethane material while also meeting environmental protection requirements.

[0057] In a further embodiment of the present invention, in step S8, the rolling time of the roller assembly is 15-20 minutes.

[0058] In a further embodiment of the present invention, in step S6, a certain proportion of quartz powder is added to the epoxy powder coating and mixed.

[0059] The present invention also provides a high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system, which is used in the above-mentioned high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction process. The high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system includes a rolling module, the rolling module includes a rolling assembly, and the rolling assembly includes a sliding seat 1 and two first rollers 11 disposed in the sliding seat 1, and a second roller 12 is disposed between the two first rollers 11, and the second roller 12 is vertically slidably disposed on the sliding seat 1 by a sliding member.

[0060] It also includes a connecting rod 21 movably mounted on the sliding seat 1. When rolling from near to far, the angle between the connecting rod 21 and the sliding seat 1 gradually decreases, so that the connecting rod 21 gradually applies pressure to the second roller 12 through the pressure assembly.

[0061] In existing technologies, to improve the adhesion of polyurethane materials, heavy pressure is generally required during the first rolling process, which means that manual pressure needs to be applied. However, due to the short workability time after polyurethane coating, existing technologies typically use rolling devices with long handles (2) for rolling. Those skilled in the art have found that during actual use, as the rolling device moves further away from the operator, it becomes difficult to apply pressure, resulting in insufficient rolling pressure at locations far from the operator. This leads to poor application of the polyurethane material at distant locations. The rolling assembly provided in this application allows for passive, gradual application of pressure to the second roller 12 during rolling at greater distances. This ensures that even when manual pressure is insufficient, pressure is maintained on the second roller 12, maintaining a relatively constant pressure at any rolling location. This significantly improves the rolling effect, enhances the application of the polyurethane material, and significantly improves its wear resistance and adhesion.

[0062] In a further embodiment of the present invention, a driving component is provided between the pressure-bearing component and the connecting rod 21. The pressure-bearing component includes a vertical pressure block 2111 that is slidably disposed along the thickness direction of the sliding seat 1, and a connecting pressure rod 211 is rotatably disposed at one end of the vertical block 211. One end of the connecting pressure rod 211 is rotatably disposed on the connecting rod 21, and one end of the vertical pressure block 2111 abuts against the pressure-bearing component.

[0063] In a further embodiment of the present invention, the pressure-bearing component includes a vertical sliding block 3 slidably disposed on a sliding seat 1, and a second roller 12 movably disposed on the vertical sliding block 3. A third elastic member 34 is disposed between the vertical sliding block 3 and the sliding seat 1, and under its elastic force, the vertical sliding block 3 tends to move toward the direction of the vertical pressure block 2111.

[0064] In a further embodiment of the present invention, a partition component is provided on the vertical sliding block 3, and a stop block 2112 is provided on the vertical pressing block 2111. The stop block 2112 abuts against the partition component provided on the vertical sliding block 3 and can drive the partition component to move synchronously.

[0065] In a further embodiment of the present invention, the partition assembly includes a tension block 331 slidably disposed on a vertical sliding block 3 and a locking buckle 33 slidably disposed on the tension block, and a second elastic member 3312 is provided on one side of the locking buckle 33, and one end of the second elastic member 3312 abuts against the vertical sliding block 3.

[0066] In a further embodiment of the present invention, a first elastic element 3311 is provided at one end of the stretching block 331, and one end of the first elastic element 3311 abuts against the vertical sliding block 3.

[0067] A rotating shaft 31 is rotatably mounted inside the vertical sliding block 3, and a first rotating groove 3102 is provided on the rotating shaft 31. A guide post 332 is fixedly mounted on one end of the tension block, and one end of the guide post 332 is inserted into the first rotating groove 3102. A spiral inclined groove 3101 communicating with the first rotating groove 3102 is provided on the circumference of the rotating shaft 31. When the second roller 12 rotates in the opposite direction, the guide post 332 moves into the spiral inclined groove 3101, so that the locking buckle 33 retracts into the vertical sliding block 3. Specifically, when the second roller 12 rotates in the opposite direction, the second roller 12 moves closer to the construction personnel. That is, when retracting, the second roller 12 can be retracted, avoiding light pressure during rolling. That is, without adjustment, the polyurethane material can be passively rolled by gravity and light pressure respectively, and both rolling can be performed evenly, thereby greatly improving the rolling effect.

[0068] In a further embodiment of the present invention, a plurality of locking blocks 32 are provided in the first rotating groove 3102, and a partition surface 321 is formed on one side of the locking block 32. The partition surface 321 is inclined, and its inclination direction is consistent with the inclination direction of the spiral groove 3101. Specifically, a second rotating groove 3103 is provided at the other end of the spiral groove 3101.

[0069] Furthermore, this application, through the arrangement of the second roller 12 and its cooperation with the pressure-bearing component and the partition component, enables the angle between the connecting rod 21 and the sliding seat 1 to gradually decrease as the worker pushes the device forward. This allows the connecting rod 21 to gradually press down on the connecting pressure rod 211, which in turn presses down on the locking buckle 33. This, in turn, causes the vertical sliding block 3 connected to the locking buckle 33 to move downwards, thereby driving the rotating shaft 31 and the second roller 12 to move downwards. This allows for gradual application of pressure to the ground as the device rolls further away, compensating for insufficient pressure on the worker. During recovery, the partition component, in cooperation with the first spiral groove, vertically... The sliding block is not obstructed by the partition component. Under the elastic force of the third elastic element 34, it can drive the vertical sliding block 3 and the rotating shaft 31 to move upward. It can also drive the second roller 12 to have an upward movement tendency. That is, it can lightly roll the ground during recycling with only the gravity of the device. That is, it can passively and evenly achieve gravity and light rolling. It can passively and gradually apply pressure to the second roller 12 through the setting of the pressure component. That is, it can apply pressure to the second roller 12 even when the pressure applied by the construction personnel is insufficient. That is, it can basically ensure the constant pressure at any rolling position. That is, it can greatly improve the rolling effect, improve the construction effect of polyurethane material, and significantly improve its wear resistance and adhesion.

[0070] In use, the worker first places the device on the already coated polyurethane material and then pushes it outwards from near to far. Initially, the worker applies pressure to the handle 2, which acts on the sliding seat 1 through the connecting rod 21. This pressure is then transmitted through the first roller 11 and the second roller 12 to the polyurethane material. As the device is pushed further outwards, the tilting of the handle 2 dissipates some of the applied pressure, gradually reducing the pressure on the first roller 11 and the second roller 12. However, as the device moves further away, the pressure on the connecting rod 21 and the sliding seat 1 increases. The angle between seats 1 gradually decreases, allowing connecting rod 21 to gradually press downwards against connecting pressure rod 211. This, in turn, causes connecting pressure rod 211 to press downwards against locking buckle 33, which in turn moves the vertical sliding block 3 connected to locking buckle 33 downwards. This, in turn, causes rotating shaft 31 and the second roller 12 to move downwards, gradually increasing pressure. As the roller rolls further away, it gradually applies pressure to the ground to compensate for insufficient pressure on the workers. When the roller reaches its end, the workers pull the device back. During this retraction, the second roller 12 first rotates in the opposite direction, and then, during this reverse rotation, it interacts with the first... The rotating shaft 31, which is fixedly connected to the two rollers 12, rotates in opposite directions. That is, during reverse rotation, the guide post 332 is blocked by the partition surface 321 of the locking block 32. Then, during rotation, the guide post 332 enters the spiral groove 3101 along the partition surface 321. Upon entering the spiral groove 3101, it drives the tension block 331 to move within the vertical sliding block 3, thereby causing the locking buckle 33 to move inward. This releases the partition on the vertical pressure block 2111, allowing the vertical sliding block 3 to move upward under the elastic force of the third elastic element 34. This prevents the second roller 12 from exerting excessive pressure on the ground. The device can roll under its own weight, achieving the effect of pushing out heavy pressure and pulling back light pressure. Moreover, when pulling back at any position, the elasticity of the third elastic element 34 can be released. Thus, the vertical slide block is not blocked by the partition component when used in conjunction with the first spiral groove. That is, under the elastic force of the third elastic element 34, the vertical sliding block 3 and the rotating shaft 31 can be driven to move upward. Similarly, the second roller 12 can also be driven to move upward. That is, only the weight of the device is needed to roll lightly on the ground during recycling. In other words, the rolling of gravity and light force can be passively and evenly achieved.

[0071] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system, used in the construction process of a high-performance polyurethane wear-resistant and antistatic micro-roughened layer, the construction process comprising the following steps: S1. Subsurface treatment: Remove any adhering materials from the surface using grinding equipment; S2. Crack Repair: Sealing and repairing cracks in the ground; S3. Apply sealing primer: Mix the sealing primer according to the ratio, and then apply it evenly to seal the capillaries of the substrate. S4. Apply intermediate coating to mortar: Mix intermediate coating material according to a certain ratio, add quartz sand and stir, then apply it evenly to the ground with a scraper; S5. Grinding treatment: Grind and cure the intermediate coating material using grinding equipment; S6. Apply epoxy powder using a scraper: Apply epoxy powder evenly using a scraper. S7. Mix the three-component polyurethane ultra-wear-resistant material in equal proportions, and then apply it by scraping. The scraping time for the prepared polyurethane ultra-wear-resistant coating is 10-18 minutes. S8. The polyurethane wear-resistant material is subjected to gravity rolling once by the roller assembly, and then light rolling once by the roller assembly. In step S8, the roller assembly alternates between gravity rolling and light rolling, characterized in that... The high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system includes a rolling module, the rolling module includes a rolling assembly, and the rolling assembly includes a sliding seat (1) and two first rollers (11) disposed in the sliding seat (1), and a second roller (12) is disposed between the two first rollers (11), and the second roller (12) is vertically slidably disposed on the sliding seat (1) by a sliding member; It also includes a connecting rod (21) movably mounted on the sliding seat (1). When rolling from near to far, the angle between the connecting rod (21) and the sliding seat (1) gradually decreases, so that the connecting rod (21) gradually applies pressure to the second roller (12) through the pressure-bearing assembly. A driving component is provided between the pressure-bearing component and the connecting rod (21). The pressure-bearing component includes a vertical pressure block (2111) that is slidably disposed along the thickness direction of the sliding seat (1). A connecting pressure rod (211) is rotatably disposed on one end of the vertical pressure block (211), and one end of the connecting pressure rod (211) is rotatably disposed on the connecting rod (21). One end of the vertical pressure block (2111) abuts against the pressure-bearing component.

2. The high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system according to claim 1, characterized in that, The pressure-bearing component includes a vertical sliding block (3) slidably disposed on a sliding seat (1), and the second roller (12) is movably disposed on the vertical sliding block (3). A third elastic element (34) is disposed between the vertical sliding block (3) and the sliding seat (1), and under its elastic force, the vertical sliding block (3) tends to move toward the vertical pressure block (2111).

3. The high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system according to claim 2, characterized in that, The vertical sliding block (3) is provided with a partition component, and the vertical pressing block (2111) is provided with a stop block (2112). The stop block (2112) abuts against the partition component provided on the vertical sliding block (3) and can drive the partition component to move synchronously.

4. The high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system according to claim 3, characterized in that, The partition assembly includes a tension block (331) slidably disposed on a vertical sliding block (3) and a locking buckle (33) slidably disposed on the tension block, and a second elastic member (3312) is provided on one side of the locking buckle (33), and one end of the second elastic member (3312) abuts against the vertical sliding block (3).

5. The high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system according to claim 4, characterized in that, Furthermore, one end of the stretching block (331) is provided with a first elastic element (3311), and one end of the first elastic element (3311) abuts against the vertical sliding block (3); The vertical sliding block (3) is rotatably provided with a rotating shaft (31), and a first rotating groove (3102) is provided on the rotating shaft (31). A guide post (332) is fixedly provided at one end of the stretching block, and one end of the guide post (332) is inserted into the first rotating groove (3102). A spiral inclined groove (3101) communicating with the first rotating groove (3102) is provided on the circumferential surface of the rotating shaft (31). When the second roller (12) rotates in the opposite direction, the guide post (332) moves into the spiral inclined groove (3101) so that the locking buckle (33) retracts into the vertical sliding block (3).

6. The high-performance polyurethane wear-resistant and antistatic micro-roughened layer construction system according to claim 5, characterized in that, The first rotating groove (3102) is provided with a plurality of locking blocks (32), and a partition surface (321) is formed on one side of the locking block (32), and the partition surface (321) is inclined, and its inclination direction is consistent with the inclination direction of the spiral groove (3101).

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