Prefabricated cover plate of roof equal-height deformation joint and prefabricated cover plate module

Abstract

The utility model provides a prefabricated cover plate and a prefabricated cover plate module for roof equal-height deformation joints, which comprise cover plate bodies arranged on sills on the two sides of the deformation joints, and the two ends, perpendicular to the length direction of the deformation joints, of the cover plate bodies are respectively provided with an anti-seepage structure for preventing the cover plate bodies from generating vertical abutted seams when the cover plate bodies are spliced; the prefabricated cover plate module comprises a metal mold and a mold supporting and positioning device which is matched with templates on the two sides of the metal mold to reinforce so that side stacks of a cover plate body can be formed, and groove pressing plates enabling the two ends of the cover plate body to form pressing grooves are tightly attached to the bottom ends of the two sides in the metal mold in the length direction of the inner wall of the metal mold. In conclusion, the problems that in a roof equal-height deformation joint treatment method in the prior art, construction is tedious, the quality is difficult to control, and the waterproof performance is poor can be solved.

Description

Technical field

[0001] The utility model relates to the technical field of prefabricated cover plate construction, in particular to a prefabricated cover plate for roof contour deformation joints, and also to a corresponding prefabricated cover plate module. [Background Technology]

[0002] Expansion joints are gaps reserved in buildings to cope with structural deformation caused by factors such as temperature changes and uneven settlement.

[0003] In the field of construction, the treatment of roof and other high expansion joints has always been an important topic.

[0004] The traditional method of treating expansion joints is usually to install a cover plate on the expansion joint. This method usually requires on-site construction, including multiple steps such as formwork and concrete pouring. This construction method is not only time-consuming and labor-intensive, but also easily affected by environmental factors such as weather and temperature, making it difficult to control construction quality. For example, in the formwork step, wooden formwork and square timber are generally used for installation and splicing. However, due to the thin thickness of the expansion joint concrete cover plate, conventional side reinforcement is not possible. In addition, the external corners where the wooden formwork is spliced together are weak points. Therefore, during the concrete pouring process, quality problems such as leakage, formwork expansion, and formwork explosion are very likely to occur, making construction quality difficult to control.

[0005] In general, the existing methods for treating roof contour expansion joints have problems such as complicated construction, difficult quality control, and poor waterproof and anti-seepage performance. [Utility Model Content]

[0006] To this end, the utility model proposes a prefabricated cover plate and a prefabricated cover plate module for roof contour expansion joints, aiming to solve the problems of complicated construction, difficult quality control, and poor waterproof performance in the existing methods for treating roof contour expansion joints.

[0007] The utility model is realized by the following technical solutions:

[0008] The prefabricated cover plate for the roof's equal-height expansion joints comprises a cover plate body arranged on the steps on both sides of the expansion joint. Both ends of the cover plate body in the direction perpendicular to the length of the expansion joint are respectively provided with an anti-seepage structure to avoid the generation of vertical joints when multiple cover plate bodies are spliced.

[0009] As for the prefabricated cover plate with equal height deformation joints on the roof as described above, the anti-seepage structure is a pressed groove provided along the length direction of both ends of the vertical deformation joint of the cover plate body.

[0010] As described above, the prefabricated cover plate for the roof equal height expansion joint has side stacks at both ends of the cover plate body. When the cover plate body is installed on the step of the expansion joint, the vertical distance from the lower end surface of the side stack to the building structure surface is smaller than the vertical distance from the upper end surface of the step to the building structure surface.

[0011] The prefabricated cover plate module includes a metal mold and a mold support and positioning device that cooperates with the templates on both sides to reinforce and form the side stacks of the cover plate body. The bottom ends of both sides of the metal mold are tightly attached along the length direction of its inner wall with a groove plate that forms grooves at both ends of the cover plate body.

[0012] As described above, the prefabricated cover plate module, the formwork positioning device includes two positioning members respectively arranged in the metal mold and cooperating with the templates on both sides thereof to reinforce the side stacks to form. Three adjustment mechanisms for controlling the forming thickness of the side stacks are evenly arranged between the two positioning members, and are respectively arranged between the two ends and the middle end of the two positioning members.

[0013] In the prefabricated cover plate module as described above, the adjustment mechanism includes two connecting members respectively fixed to the two positioning members, and an adjustment device is provided between the two connecting members to enable the two connecting members to move away from or closer to each other.

[0014] In the prefabricated cover plate module as described above, the connecting member is a screw threadedly connected to the adjusting device, the adjusting device is a threaded sleeve, and the positioning member is a metal square tube with the same height as the side stack.

[0015] In the prefabricated cover plate module as described above, the connection parts between the positioning member and the upper and lower ends of the connecting member are respectively provided with reinforcing ribs, and the reinforcing ribs are triangular in shape, and the two right-angled sides thereof are respectively connected to the connecting member and the positioning member.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] 1. By setting anti-seepage structures at both ends of the cover body, such as pressed grooves and inclined surfaces, vertical joints can be effectively avoided when multiple cover bodies are spliced together, thereby improving the waterproof performance of high expansion joints such as roofs and avoiding structural damage and leakage caused by water seeping into expansion joints.

[0018] 2. The prefabricated cover structure simplifies and simplifies the construction process, reducing construction time and labor costs. Furthermore, the use of prefabricated cover modules allows for high-precision, efficient manufacturing of the cover body. The adjustment mechanism is simple and intuitive, and the distance between the positioning components can be adjusted simply by rotating a threaded sleeve. This convenient operation reduces construction difficulty, speeds up cover production, reduces construction time, and improves production efficiency.

Brief Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments.

[0020] Figure 1is a schematic top view of Example 1;

[0021] Figure 2 for Figure 1 Schematic diagram of the midline AA section;

[0022] Figure 3 for Figure 1 Schematic diagram of the cross section along the middle BB;

[0023] Figure 4 Schematic diagram of the three-dimensional structure of the formwork positioning device in Example 2;

[0024] Figure 5 This is a front view structural diagram of the formwork positioning device in Example 2;

[0025] Figure 6 This is a schematic diagram of the cross-sectional structure of the prefabricated cover plate module when the cover plate body is formed;

[0026] Figure 7 This is a schematic diagram of the cross-sectional structure of the cover plate body installed at the roof's equal-height expansion joint node;

[0027] Figure 8 This is a construction process step diagram for Example 3. [Specific implementation method]

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0029] Example 1: This example provides a prefabricated cover plate for roof deformation joints, which is used to solve the problem that the prefabricated cover plate in the prior art forms vertical joints after being installed on the roof deformation joints, and then when sealed with mortar, it is easy to crack and cause leakage hazards in the later stage, affecting the use function. Figure 1 、 Figure 2 、 Figure 3 and Figure 7 A prefabricated cover plate for roof equal-height expansion joints comprises a cover plate body 2 provided with platforms 1 on both sides of the expansion joint, and an anti-seepage structure 3 is respectively provided at both ends of the cover plate body 2 in the direction perpendicular to the length of the expansion joint to avoid vertical joints when multiple cover plate bodies 2 are spliced.

[0030] In this embodiment, the anti-seepage structure 3 can adopt elastic sealing strips provided at both ends of the cover plate body 2, which are used to squeeze the sealing strips of the adjacent cover plate bodies 2 during splicing to form a watertight connection; or adopt adhesive layers provided at both ends of the cover plate body 2, which are used to bond with the adhesive layers of the adjacent cover plate bodies 2 during splicing to form a seamless connection; in addition to the above-mentioned external anti-seepage structure, the two ends of the cover plate body 2 can also be directly structurally processed to form chamfers or grooves, etc. At this time, when mortar is used for sealing, cracking and leakage hazards can be effectively avoided in the later stage, thereby improving the waterproof performance of the roof deformation joint, and the prefabricated cover plates are prefabricated in the factory, and the quality is guaranteed, avoiding the problem of uneven quality caused by directly casting the cover plates in the deformation joints.

[0031] Furthermore, as a preferred embodiment of the present invention but not a limitation, the anti-seepage structure 3 is a pressing groove 31 respectively arranged along the length direction of both ends of the vertical deformation seam of the cover plate body 2, the depth of the pressing groove 31 is 8 to 10 mm, the width of the pressing groove 31 is 100 to 120 mm, and a slope 32 is provided in the length direction of the inner end of the pressing groove 31.

[0032] In this embodiment, the anti-seepage structure 3 specifically comprises a pressed groove 31 provided along the length of both ends of the vertical deformation joint of the cover plate body 2. Providing the pressed groove 31 at both ends of the cover plate body 2 increases the bonding area between the cover plate body 2 and adjacent cover plate bodies 2 during subsequent sealing with cement mortar, thereby improving the tightness of the connection and the anti-seepage performance.

[0033] Furthermore, in this embodiment, the depth of the groove 31 is specifically 8 mm, and the width is specifically 100 mm. Such a size design can ensure that the groove 31 has sufficient depth and width to provide sufficient sealing area and sealing thickness for subsequent cement mortar.

[0034] In addition, an inclined surface 32 is provided in the longitudinal direction of the inner end of the pressing groove 31 , so as to further increase the bonding area between the cement mortar and the cover plate body 2 .

[0035] Furthermore, as a preferred embodiment of the present invention but not a limitation, side stacks 4 are provided at both ends of the cover body 2. When the cover body 2 is installed on the step 1 of the deformation joint, the vertical distance from the lower end surface of the side stack 4 to the building structure surface is smaller than the vertical distance from the upper end surface of the step 1 to the building structure surface.

[0036] In this embodiment, the side buttresses 4 at both ends of the cover plate body 2 completely cover the roof expansion joint in the vertical direction. Furthermore, the vertical distance between the lower end of the side buttresses 4 and the building structure is shorter than the vertical distance between the upper end of the platform 1 and the building structure. This means that the presence of the side buttresses 4 isolates the platform 1 in the roof expansion joint from the external environment, preventing external water from flowing in through the ends of the expansion joint. Furthermore, the presence of the side buttresses 4 improves the stability and reliability of the installation, reducing the possibility of loosening and displacement of the cover plate body 2 in the expansion joint.

[0037] Example 2: Please refer to Figures 4 to 6 This embodiment provides a prefabricated cover plate module for manufacturing and processing the prefabricated cover plate proposed in Example 1, including a metal mold 5 and a mold support positioning device 6 that cooperates with the templates on both sides to reinforce the side stacks 4 of the cover plate body 2. The bottom ends of both sides of the metal mold 5 are tightly attached along the length direction of the inner wall thereof with groove pressing plates 7 that form grooves 31 at both ends of the cover plate body 2. The groove pressing plates 7 have a thickness of 8 to 10 mm and a width of 100 to 120 mm.

[0038] The prefabricated cover panel module assembly includes a metal mold 5 and a mold support and positioning device 6. The metal mold 5 is used to form the basic shape of the cover panel body 2. The metal mold 5 can be an aluminum alloy template assembled and connected by pins and pins. The mold support and positioning device 6 is used to reinforce the templates on both sides of the metal mold 5 to ensure that the side stacks 4 of the cover panel body 2 can be accurately formed during the molding process.

[0039] Specifically, the bottom ends of both sides of the metal mold 5 are tightly provided with a groove pressing plate 7 along the length direction of its inner wall. The groove pressing plate 7 is used to form a groove 31 at both ends of the cover body 2 to realize the function of the anti-seepage structure 3. In this embodiment, the thickness of the groove pressing plate 7 is specifically 8 mm and the width is 100 mm to ensure that the depth and width of the groove 31 meet the requirements.

[0040] By using this prefabricated cover plate module, it is possible to achieve high-precision and high-efficiency manufacturing of the cover plate body 2. Specifically, the coordinated use of the metal mold 5 and the support and positioning device 6 can ensure the accuracy of the shape and size of the cover plate body 2, while the use of the groove plate 7 can ensure the correct formation of the anti-seepage structure 3.

[0041] Furthermore, as a preferred embodiment of the present invention but not a limitation, the formwork positioning device 6 includes two positioning members 61 respectively arranged in the metal mold 5 and cooperating with the templates on both sides thereof to reinforce the side stack 4 to form the side stack. Three adjustment mechanisms 62 for controlling the forming thickness of the side stack 4 are evenly arranged between the two positioning members 61, and are respectively arranged between the two ends and the middle end of the two positioning members 61.

[0042] In this embodiment, the positioning member 61 can be a rod-shaped or plate-shaped structure with a certain strength and rigidity, which is used to cooperate with the two side templates of the metal mold 5. The positioning member 61 and the two side templates of the metal mold 5 provide space for the side stack 4 to be formed, and at the same time provide lateral support force to ensure the forming stability of the cover side stack. There are three adjustment mechanisms 62, which are arranged at the two ends and between the middle ends of the two positioning members 61, and are used to adjust the distance between the positioning members 61, so as to control the forming thickness of the cover side stack. It should be noted that each adjustment mechanism 62 can independently adjust the distance between the positioning members 61, so that the thickness of the cover side stack can be locally adjusted as needed to improve the forming accuracy. The provision of multiple adjustment mechanisms 62 can increase the contact area and the number of support points of the device, thereby improving the stability of the formwork positioning device. During the forming process of the cover side stack, it can better resist lateral forces and prevent the positioning members 61 from deformation or displacement.

[0043] More specifically, the adjustment mechanism 62 may include structures such as a screw rod, a nut, and a sleeve screw, so as to adjust the distance between the positioning parts 61. In addition, the adjustment mechanism 62 may also be provided with scales or marks to facilitate accurate control of the adjustment range and accuracy. Moreover, since the on-site casting of the cover plate is avoided, the problems such as leakage and mold expansion that may be caused by on-site formwork casting are naturally eliminated, thereby further improving the waterproof and anti-seepage effect of the roof expansion joint.

[0044] Furthermore, as a preferred embodiment of the present invention but not a limitation, the adjustment mechanism 62 includes two connecting members 621 respectively fixed to the two positioning members 61, and an adjustment device 622 is provided between the two connecting members 621, which can make the two connecting members 621 move away from or closer to each other.

[0045] In this embodiment, the connecting member 621 can be a structure with a fixing hole, which is fixed together with the positioning member 61 by fasteners such as bolts or pins, or it can be directly fixed to the positioning member 61 by welding. The adjusting device 622 is arranged between the two connecting members 621, and is used to drive the two connecting members 621 to move relative to each other, that is, to move away from or closer to each other, so that the entire device can more accurately and conveniently adjust the forming thickness of the cover side stack.

[0046] Furthermore, as a preferred embodiment of the present invention but not a limitation, the connecting member 621 is a screw threadedly connected to the adjusting device 622, the adjusting device 622 is a threaded sleeve, and the positioning member 61 is a metal square tube with the same height as the side stack 4.

[0047] In this embodiment, the connecting member 621 is in the form of a screw, one end of which is fixedly connected to the positioning member 61, and the other end is threadedly connected to the adjusting device 622. The adjusting device 622 is in the form of a threaded sleeve, and a thread matching the screw is provided on its inner wall. By rotating the threaded sleeve, the screw threadedly connected to it can be driven to move synchronously, thereby adjusting the distance between the positioning members 61.

[0048] The threaded connection between the screw and the sleeve is self-locking, ensuring reliable connection and adjustment. During adjustment, the connection between the screw and sleeve remains intact even when subjected to external impact or vibration, ensuring stable and reliable adjustment. Furthermore, the relatively simple structure of the screw and sleeve results in low manufacturing costs and ease of processing and assembly. This structure also facilitates maintenance, allowing for easy replacement or repair of the screw or sleeve should it become worn or damaged.

[0049] The metal square tube is preferably a steel square tube, which is easy to process and simple to obtain. The height of the steel square tube is equal to the side stack 4, which is used to ensure the high accuracy of the side stack 4 during the forming process. The cross-section of the metal square tube is square, which has high rigidity and stability, and can provide sufficient support force to make the forming of the side stack 4 more accurate and reliable. In summary, the prefabricated cover plate module provided in this embodiment realizes flexible adjustment of the forming thickness of the side stack 4, accurate positioning and stable forming through reasonable structural design, thereby improving the production efficiency and quality of the prefabricated cover plate.

[0050] Furthermore, as a preferred embodiment of the present invention but not a limitation, the connection parts between the upper and lower ends of the positioning member 61 and the connecting member 621 are respectively provided with reinforcing ribs 8, and the reinforcing ribs 8 are triangular in shape, and the two right-angled sides thereof are respectively connected to the connecting member 621 and the positioning member 61.

[0051] In this embodiment, by providing reinforcing ribs 8 at the connection, the contact area between the connector 621 and the positioning member 61 can be increased, thereby improving the strength and stability of the connection. Furthermore, the triangular reinforcing ribs 8 have good stress-bearing properties, effectively dispersing and transmitting stress, and reducing the risk of deformation and damage to the connection.

[0052] Specifically, the reinforcing ribs 8 can be made of the same or similar material as the positioning member 61 and the connecting member 621, such as steel sheet, iron sheet, etc. The thickness thereof can be designed according to actual needs to ensure sufficient strength and rigidity.

[0053] This embodiment provides reinforcing ribs 8 at the connection between the connector 621 and the positioning member 61, thereby increasing the strength and stability of the connection and reducing the risk of deformation and damage at the connection, thereby further improving the quality and reliability of the prefabricated cover. This design also makes the prefabricated cover module more structurally sound and more convenient to manufacture and assemble.

[0054] Example 3: Please refer to Figure 8 This embodiment provides a prefabricated cover plate construction process for installing the prefabricated cover plate proposed in Example 1. It should be noted that the construction process proposed in this embodiment runs through the entire construction cycle, from the design of the prefabricated cover plate to the maintenance after the construction is completed, and specifically includes the following steps:

[0055] S1: BIM Modeling. Using BIM (Building Information Modeling) technology, three-dimensional modeling of the roof's contour expansion joints was performed. BIM technology provides precise geometric information and construction data, helping designers better understand and optimize the layout and installation of prefabricated cover panels. BIM modeling enables modular design of the cover panel body 2, improving design efficiency and accuracy.

[0056] S2: Customize the prefabricated cover panel module. Based on the modular design results of the cover panel body 2 in step S1, a custom prefabricated cover panel module is customized to suit the desired assembly and turnover. The prefabricated cover panel module includes a metal mold 5, a mold support and positioning device 6, and a groove plate 7 to ensure accurate molding and installation of the cover panel body 2.

[0057] S3: Forming and processing the cover plate body 2. A customized prefabricated cover plate module is used for formwork and processing of the cover plate body 2. This involves securing the metal mold 5 in the appropriate position and adjusting the position and shape of the formwork positioning device 6 and the groove plate 7 according to the design requirements. Then, concrete is poured and cured to obtain the cover plate body 2 that meets the design requirements.

[0058] S4: Install the cover plate body 2 and set the mortar base 9. Install the processed cover plate body 2 to the contour expansion joint. Before installing each cover plate body, set multiple mortar bases 9 on the steps 1 on both sides of the contour expansion joint. Use M5 strength grade cement mortar for the mortar base 9, which has good adhesion. Set 4 to 6 mortar bases 9 on each step 1. The purpose of the mortar base 9 is to strengthen the connection between the cover plate body 2 and the step 1, improving the stability and reliability of the installation.

[0059] S5: Surface treatment. The upper end surface of the cover plate body 2, installed to the contour expansion joint in step S4, is surface treated with DPM20 dry-mix plaster mortar to form a slope. The slope i can be set between 4% and 8%, specifically 4%, 6%, and 8%. An effective slope design ensures that rainwater or other liquids can drain smoothly from the cover plate body 2, preventing water accumulation.

[0060] At the same time, the side piers 4 at both ends of the cover body 2 are also treated with DPM20 dry-mix plaster mortar to form drip lines for anti-seepage and drainage. The drip line design prevents water from seeping through the gaps between the side piers 4 and adjacent structures, improving the anti-seepage effect.

[0061] Furthermore, because DPM20 dry-mix plaster mortar is more water-resistant than conventional plaster mortar, adding a finishing step can further improve the anti-seepage and drainage performance of the installed cover plate body 2, extending its service life and reducing quality issues and maintenance costs caused by leakage. Furthermore, the finishing treatment also makes the cover plate body 2 appear smoother and more aesthetically pleasing.

[0062] The working principle of this utility model is as follows:

[0063] This utility model application relates to a prefabricated cover plate for a roof contour expansion joint, a prefabricated cover plate module, and a construction process thereof. The working principle thereof mainly includes the following parts:

[0064] Prefabricated cover structure:

[0065] 1. Anti-seepage structures, such as pressed grooves and inclined surfaces, are set at both ends of the cover body to avoid vertical joints when multiple cover bodies are spliced together, thereby improving waterproof performance.

[0066] 2. Side butts are set at both ends of the cover body to increase the contact area between the cover body and the platforms on both sides of the expansion joint, thereby improving the stability and reliability of the connection.

[0067] Application of prefabricated cover modules:

[0068] 1. Use a metal mold to form the basic shape of the cover body to ensure the accuracy of its size and shape.

[0069] 2. Use the formwork positioning device to reinforce the templates on both sides of the metal mold to ensure that the side stacks of the cover body can be correctly formed during the molding process.

[0070] 3. A groove plate is set in the metal mold to form grooves that meet the requirements at both ends of the cover body to achieve the function of the anti-seepage structure.

[0071] Implementation of construction technology:

[0072] 1. Use BIM technology to model the roof's contour expansion joints to achieve modular design of the cover plate body and improve design efficiency and accuracy.

[0073] 2. According to the results of BIM modeling, customize the prefabricated cover modules that can be assembled and turned around.

[0074] 3. Use prefabricated cover plate modules for formwork and process the cover plate body, including concrete pouring and curing.

[0075] 4. Install the processed cover body to the equal height deformation joint, and set the seat mortar during the installation process to enhance the connection strength.

[0076] 5. The installed cover plate body shall be treated with plastering, including forming slope and drip line, so as to improve the anti-seepage and drainage performance.

[0077] In summary, the utility model application provides a prefabricated cover plate for roof contour expansion joints, a prefabricated cover plate module and a construction process thereof, which are easy to construct, have good waterproof performance and reliable quality.

[0078] The above are implementation methods provided in conjunction with specific content, and the specific implementation of this application is not limited to these descriptions. Any method structure that is similar to the method structure of this application, or any technical deduction or replacement based on the concept of this application, should be considered as the scope of protection of this application.

Claims

1. A prefabricated cover plate for a roof expansion joint of equal height, comprising a cover plate body (2) provided on two sides of the expansion joint (1), characterized in that: Both ends of the cover plate body (2) in the length direction of the vertical deformation seam are respectively provided with anti-seepage structures (3) for preventing the generation of vertical seams when a plurality of the cover plate bodies (2) are spliced.

2. The prefabricated cover plate for roof contour expansion joints according to claim 1, characterized in that: The anti-seepage structure (3) is a pressed groove (31) provided along the length direction of both ends of the vertical deformation seam of the cover plate body (2).

3. The prefabricated cover plate for roof contour expansion joints according to claim 1, characterized in that: Side buttresses (4) are provided at both ends of the cover plate body (2); when the cover plate body (2) is installed on the step (1) of the deformation joint, the vertical distance from the lower end surface of the side buttress (4) to the building structure surface is smaller than the vertical distance from the upper end surface of the step (1) to the building structure surface.

4. A prefabricated cover plate module for manufacturing a cover plate body (2) as claimed in any one of claims 1 to 3, characterized in that: The invention comprises a metal mold (5) and a mold support positioning device (6) which cooperates with the templates on both sides thereof to reinforce and shape the side stacks (4) of the cover body (2). The bottom ends of both sides of the metal mold (5) are tightly attached along the length direction of the inner wall thereof with groove pressing plates (7) which form grooves (31) at both ends of the cover body (2).

5. The prefabricated cover plate module according to claim 4, characterized in that: The formwork positioning device (6) comprises two positioning members (61) respectively arranged in the metal mold (5) and cooperating with the templates on both sides thereof to reinforce the side stacks (4) to form the side stacks. Three adjustment mechanisms (62) for controlling the forming thickness of the side stacks (4) are evenly arranged between the two positioning members (61), and are respectively arranged between the two ends and the middle end of the two positioning members (61).

6. The prefabricated cover plate module according to claim 5, characterized in that: The adjustment mechanism (62) comprises two connecting members (621) respectively fixed to the two positioning members (61), and an adjustment device (622) is provided between the two connecting members (621) to enable the two connecting members (621) to move away from or closer to each other.

7. The prefabricated cover plate module according to claim 6, characterized in that: The connecting member (621) is a screw threadedly connected to the adjusting device (622), the adjusting device (622) is a threaded sleeve, and the positioning member (61) is a metal square tube having the same height as the side stack (4).

8. The prefabricated cover plate module according to claim 7, characterized in that: Reinforcement ribs (8) are provided at the connection locations of the upper and lower ends of the positioning member (61) and the connecting member (621). The reinforcing ribs (8) are triangular in shape, and the two right-angled sides thereof are connected to the connecting member (621) and the positioning member (61), respectively.

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