Post-cast strip two-side formwork structure device and construction method

Abstract

The invention discloses a post-cast strip two-side formwork structure device and a construction method.The post-cast strip two-side formwork structure device comprises formworks, the formworks are attached to the set edges of to-be-cast concrete on the two sides of a post-cast strip, the formworks are divided into the upper formwork and the lower formwork, and the upper formwork and the lower formwork are attached to the upper surface and the lower surface of a water stop steel plate respectively; according to the baffle structure, notches are formed in the upper die plate and the lower die plate, and the notches extend to the water stop steel plate from the middle edge of the upper die plate or the middle edge of the lower die plate. The notch is divided into an inner side section and an outer side section, and after steel bars of external structures on the two sides of the post-cast strip penetrate through the inner side section of the notch, the baffle structure is arranged on the outer side section of the notch to block the notch; the first connecting structures are detachably connected between the upper mold plate and the lower mold plate of the single-side mold plate, and the upper mold plate and the lower mold plate are fixedly connected into a whole through the first connecting structures; and the second connecting structure is connected between the first connecting structures of the templates on the two sides and is used for adjusting the distance between the templates on the two sides. The construction quality of the post-cast strip can be guaranteed, the construction efficiency of the post-cast strip can be improved, and the repeated utilization rate and universality of the formwork can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of post-cast strip construction in building engineering, and in particular to a template structure device at both sides of a post-cast strip and a construction method. Background Art

[0002] Post-cast joints are used to prevent harmful cracks in cast-in-place reinforced concrete structures due to uneven temperature and shrinkage during construction. Temporary construction joints are left at corresponding positions of foundation slabs, walls, and beams in accordance with design or construction specifications. The structure is temporarily divided into several parts. After the internal shrinkage of the components, concrete is poured in the construction joints after the design requirements are met to connect the structure into a whole.

[0003] When the post-cast strip is left, it is difficult to seal the formwork on both sides of the post-cast strip due to the position of the steel bars and water-stop steel plates on the slab surface. When pouring the concrete on both sides of the traditional post-cast strip, steel mesh and wooden blocks are used for blocking, which easily leads to leakage due to loose blocking. In addition, the concrete on the side is irregular after pouring, and a large amount of manual work is required to cut the groove in the later stage, which is time-consuming and labor-intensive. After the concrete construction at the post-cast strip position in the later stage, it is also impossible to ensure effective anti-seepage, resulting in water seepage at the post-cast strip position. Summary of the invention

[0004] In view of the above-mentioned defects in the prior art, a formwork structure device and a construction method for both sides of a post-cast strip are provided, which can not only ensure the construction quality of the post-cast strip, but also improve the construction efficiency of the post-cast strip as well as the reuse rate and versatility of the formwork.

[0005] The technical solution adopted by the present invention to solve the above technical problems is: First, the formwork structure device on both sides of the post-casting belt includes The template is attached to the set edges of the concrete to be poured on both sides of the post-casting strip. The template is divided into an upper template and a lower template. The upper template and the lower template are attached to the upper surface and the lower surface of the water-stop steel plate respectively; The baffle structure is provided with notches on both the upper and lower templates, and the notches extend from the middle of the upper or lower template to the water stop steel plate; the notches are divided into inner and outer sections, and after the steel bars of the external structure on both sides of the post-casting strip pass through the inner section of the notch, the baffle structure is placed on the outer section of the notch to seal it; A first connection structure, wherein a plurality of first connection structures are connected between the upper template and the lower template of the single-side template in a detachable manner, and the upper and lower templates are fixedly connected into a whole; The second connecting structure is connected between the first connecting structures of the templates on both sides and adjusts the distance between the templates on both sides.

[0006] According to the above technical solution, slide grooves are provided on both sides of the notch, and the baffle structure and the template are separately provided; according to needs, the baffle structure is installed on the template through the slide grooves on both sides.

[0007] According to the above technical scheme, a first accommodating groove is provided on the side of the slot, and a baffle structure is provided in each first accommodating groove; a baffle is provided in the baffle structure, and the baffle slides between the first accommodating groove and the slot; after the steel bar is placed in the inner section of the slot, the baffle slides into the outer section of the slot and seals the outer section under the action of the baffle structure.

[0008] According to the above technical solution, the baffle structure includes a baffle, a spring, and a lever assembly. The baffle is placed in the first accommodating groove, the two ends of the spring are connected between the baffle and the inner wall of the accommodating groove, and the spring is in a compressed state; the baffle is connected to the lever assembly, and the spring is compressed by the lever to slide the baffle from the outer section of the groove into the first accommodating groove.

[0009] According to the above technical solution, a limiting groove is also provided on the side of the slot, and the limiting groove and the first accommodating groove are respectively located on both sides of the slot; one side of the baffle slides out from the first accommodating groove, passes through the slot and is placed in the limiting groove, and the other side of the baffle is located in the first accommodating groove.

[0010] According to the above technical solution, the lever assembly includes a connecting rod and a lever piece. A guide groove is provided on the upper template or the lower template, the guide groove is connected to all the first accommodating grooves, and the length direction of the guide groove is the same as the compression direction of the spring; the connecting rod is placed in the guide groove and is connected to all the baffles; a lever groove is provided on the guide groove, the lever groove passes through the side of the template close to the post-casting strip, and the lever piece passes through the lever groove and is fixedly connected to the connecting rod.

[0011] According to the above technical scheme, the first connecting structure includes an L-shaped connecting frame, a Z-shaped connecting frame, and a locking buckle. The L-shaped connecting frame is divided into a first transverse section and a first vertical section, and the Z-shaped connecting frame is divided into a second transverse section, a second vertical section, and a third transverse section; an insert plate is provided at the end of the first transverse section and the second transverse section, and a slot is provided on the upper template and the lower template of the template, and the insertion port of the slot on the upper template is located at the upper part, and the insertion port of the slot on the lower template is located at the lower part; the setting position of the slot on the upper and lower templates needs to ensure that: after the insert plate is inserted into the slot, the end of the first vertical section and the end of the second vertical section are fitted together; at the fitting position, the first vertical section and the second vertical section are respectively provided with one of a socket and a socket; one or more locking buckles are arranged between the first vertical section and the second vertical section to realize a fixed connection between the two.

[0012] According to the above technical solution, the second connection structure adopts a threaded sleeve, external threads are provided on the third transverse section of the first connection structure on both sides of the post-casting strip, and internal threads matching the external threads are provided on both side ends of the threaded sleeve.

[0013] According to the above technical solution, convex points are evenly arranged on the side surfaces of the upper template and the lower template away from the post-casting strip.

[0014] In a second aspect, a construction method of the formwork structure on both sides of the post-casting strip adopts any of the above-mentioned formwork structure devices on both sides of the post-casting strip, comprising: Install the lower formwork under the waterstop steel plate, place the steel bars on the inner section of the notch, and place the baffle structure on the outer section of the notch; Install the template above the water stop steel plate, place the steel bars on the inner section of the notch, and place the baffle structure on the outer section of the notch; Installing a first connecting structure and a second connecting structure between the upper and lower templates on both sides; The distance between the templates on both sides of the post-casting strip is controlled by the second connecting structure.

[0015] The present invention has the following beneficial effects: 1. Set the templates on both sides of the post-cast strip as upper and lower split structures, and fit the upper and lower templates on the upper and lower surfaces of the water-stop steel plate respectively, and connect them into a whole through the first connecting structure. After the templates on both sides of the post-cast strip are installed, the first connecting structures on both sides are connected by the second connecting structure, and the spacing between the templates on both sides is adjusted by the second connecting structure to meet the construction of post-cast strips of different widths. In addition, notches are provided on the upper and lower templates. After the steel bars that pass through the post-cast strip are passed through the notches, the notches are blocked by the baffle structure. The installation is convenient and quick, and can effectively achieve the template sealing effect. It can effectively solve the problem of slurry leakage during concrete pouring on the slabs on both sides of the post-cast strip, and improve the quality of concrete construction.

[0016] Based on the above structure, not only the construction quality of the post-cast strip can be guaranteed, but also the construction efficiency of the post-cast strip and the reuse rate and versatility of the template can be improved.

[0017] 2. A spigot and a socket are provided between the L-shaped connecting frame and the Z-shaped connecting frame, and the connection stability can be effectively achieved by using the spigot and socket connection.

[0018] 3. Set convex points so that after the concrete pouring and formwork removal of the slab surface on both sides of the post-casting strip, the concrete surface of the side wall of the slab can form a concave-convex structure, which effectively solves the problem of artificial roughening and flushing of the old concrete surface during the later construction of the post-casting strip, saving time, effort and labor costs.

[0019] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide further understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0021] Figure 1 It is a schematic diagram of the support of the formwork structure device on both sides of the post-casting belt provided in the embodiment of the present invention; Figure 2 It is a schematic diagram of the structure of the template in the embodiment provided by the present invention; Figure 3 is a schematic diagram of a lower template and a portion of a first connection structure according to an embodiment of the present invention; Figure 4 is a schematic diagram of a part of the first connection structure and the second connection structure of an embodiment provided by the present invention; Figure 5 is a partial schematic diagram of a first connection structure and a second connection structure of an embodiment provided by the present invention; Figure 6 The connection relationship between the upper template or the lower template and the baffle structure provided in the embodiment of the present invention is Figure 1 ; Figure 7 The connection relationship between the upper template or the lower template and the baffle structure provided in the embodiment of the present invention is Figure 2 ; Figure 8 It is a schematic diagram of the back side of the template of the embodiment provided by the present invention; In the figure, 1. upper template; 2. lower template; 3. baffle structure; 3-1. baffle; 3-2. spring; 3-3. lever assembly; 3-31. connecting rod; 3-32. paddle; 4. notch; 5. first connecting structure; 5-1. L-shaped connecting frame; 5-2. Z-shaped connecting frame; 5-3. lock buckle; 5-31. hook; 5-32. locking ring; 5-33. pressing piece; 5-4. plug plate; 5-5. slot; 6. second connecting structure; 6-1. threaded sleeve; 7. first accommodating groove; 8. limiting groove; 9. guide groove; 10. steel bar; 11. water-stop steel plate; 12. concrete to be poured; 13. bump. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-8 The principles and features of the present invention are described, and the examples are only used to explain the present invention and are not used to limit the scope of the present invention. In the following paragraphs, the present invention is described in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0025] Reference Figure 1 to Figure 8 As shown, the template structure device on both sides of the post-casting strip provided by the present invention.

[0026] Example 1 include The template is attached to the set edges of the concrete 12 to be poured on both sides of the post-casting strip. The template is divided into an upper template 1 and a lower template 2. The upper template and the lower template are attached to the upper surface and the lower surface of the water-stop steel plate 11 respectively; The baffle structure 3 is provided with notches 4 on both the upper and lower templates, and the notches extend from the middle of the upper or lower template to the water stop steel plate; the notches are divided into inner and outer sections, and after the steel bars 10 of the external structure on both sides of the post-casting strip pass through the inner section of the notch, the baffle structure is placed on the outer section of the notch to block it; A first connection structure 5, wherein a plurality of first connection structures are connected between the upper template and the lower template of the single-side template in a detachable manner, and the upper and lower templates are fixedly connected into a whole; The second connection structure 6 is connected between the first connection structures of the templates on both sides and adjusts the distance between the templates on both sides.

[0027] In this embodiment, the templates on both sides of the post-cast strip are provided with upper and lower split structures, and the upper template and the lower template are respectively attached to the upper and lower surfaces of the water-stop steel plate, and connected into a whole through the first connecting structure. After the templates on both sides of the post-cast strip are installed, the first connecting structures on both sides are connected by the second connecting structure, and the spacing between the templates on both sides is adjusted by the second connecting structure, so as to meet the construction of post-cast strips of different widths. In addition, notches are provided on the upper template and the lower template. After the steel bars that pass through the post-cast strip are passed through the notches, the notches are blocked by the baffle structure. The installation is convenient and quick, and the template sealing effect can be effectively achieved. The problem of slurry leakage during concrete pouring on the slabs on both sides of the post-cast strip can be effectively solved, and the quality of concrete construction can be improved.

[0028] Based on the above structure, not only the construction quality of the post-cast strip can be guaranteed, but also the construction efficiency of the post-cast strip and the reuse rate and versatility of the template can be improved.

[0029] Example 2 The structure and principle of Example 2 are similar to those of Example 1, except that: a preferred baffle structure is provided. Slide grooves are provided on both sides of the notch, and the baffle structure and the template are separately provided; according to the requirements, the baffle structure is installed on the template through the slide grooves on both sides. In this structure, the baffle structure adopts a plate-like structure, and plugs matching the slide grooves are provided on both sides of the plate-like structure. The baffle structure is inserted into the slide grooves on both sides of the notch through the plugs on both sides; when the steel bar is placed in the inner section of the notch, the baffle structure is slid into the slide groove, and the baffle structure seals the outer section of the notch.

[0030] Example 3 The structure and principle of Example 3 are similar to those of Example 1, except that another preferred baffle structure is provided.

[0031] A first receiving groove 7 is provided on the side of the notch, and a baffle structure is provided in each first receiving groove; a baffle is provided in the baffle structure, and the baffle slides between the first receiving groove and the notch; after the steel bar is placed in the inner section of the notch, the baffle slides into the outer section of the notch under the action of the baffle structure and blocks the outer section. In this embodiment, the baffle structure is installed on the template, and the baffle structure slides the baffle provided therein to block or open the outer section of the notch.

[0032] In Example 3, the preferred baffle structure includes a baffle 3-1, a spring 3-2, and a lever assembly 3-3. The baffle is placed in the first accommodating groove, the two ends of the spring are connected between the baffle and the inner wall of the accommodating groove, and the spring is in a compressed state; the baffle is connected to the lever assembly, and the spring is compressed by the lever to slide the baffle from the outer section of the groove into the first accommodating groove.

[0033] In order to ensure that the baffle can better seal the slot, a limiting groove 8 is provided on the side of the slot, and the limiting groove and the first receiving groove are respectively located on both sides of the slot; one side of the baffle slides out from the first receiving groove, passes through the slot and is placed in the limiting groove, and the other side of the baffle is located in the first receiving groove.

[0034] In the above embodiment, a preferred form of a lever assembly is given, which includes a connecting rod 3-31 and a lever piece 3-32. A guide groove 9 is provided on the upper template or the lower template, and the guide groove is connected to all the first accommodating grooves. The length direction of the guide groove is the same as the compression direction of the spring; the connecting rod is placed in the guide groove and is connected to all the baffles; a lever groove is provided on the guide groove, and the lever groove passes through the side of the template close to the post-casting strip, and the lever piece passes through the lever groove and is fixedly connected to the connecting rod.

[0035] Example 4 The structure and principle of Example 4 are similar to those of Examples 1-3, except that a preferred form of the first connection structure is provided.

[0036] The first connection structure includes an L-shaped connection frame 5-1, a Z-shaped connection frame 5-2, and a lock 5-3. The L-shaped connection frame is divided into a first transverse section and a first vertical section, and the Z-shaped connection frame is divided into a second transverse section, a second vertical section, and a third transverse section. An insert plate 5-4 is provided at the end of the first transverse section and the second transverse section, and a slot 5-5 is provided on the upper template and the lower template of the template. The insertion port of the slot on the upper template is located at the upper part, and the insertion port of the slot on the lower template is located at the lower part. The setting position of the slot on the upper and lower templates must ensure that: after the insert plate is inserted into the slot, the end of the first vertical section and the end of the second vertical section are fitted together; at the fitting position, the first vertical section and the second vertical section are respectively provided with one of a socket and a socket; one or more locks are provided between the first vertical section and the second vertical section to achieve a fixed connection between the two.

[0037] In this embodiment, the lock adopts an existing common structure, such as shown in the figure; the lock includes a hook 5-31, a lock ring 5-32 and a pressing piece 5-33, the hook is arranged on the side wall of the first vertical section, and the lock ring and the pressing piece are arranged on the side wall of the second vertical section; or, the hook is arranged on the side wall of the second vertical section, and the lock ring and the pressing piece are arranged on the side wall of the first vertical section. After the plug plate is inserted into the slot, the ends of the first vertical section and the second vertical section are just fitted together, and a first limit is formed by the socket and the socket to avoid misalignment between the two. The second limit is formed by the lock arranged between the first vertical section and the second vertical section. After the lock locks the first vertical section and the second vertical section, the spacing between the first transverse section and the second transverse section is determined, and the third limit is formed by the arrangement of the slot and the plug plate. Based on the above-mentioned first, second, and third limits, the upper template and the lower template on one side of the post-casting strip are supported and fixed.

[0038] Based on the form of the above-mentioned first connection structure, the second connection structure adopts a threaded sleeve 6-1, and an external thread is provided on the third transverse section of the first connection structure on both sides of the post-casting strip, and an internal thread matching the external thread is provided on both side ends of the threaded sleeve. In this embodiment, by rotating the threaded sleeve, the length of the third transverse section of the first connection structure on both sides screwed into the threaded sleeve is controlled to achieve control of the first connection structure on both sides.

[0039] Example 5 The structure and principle of embodiment 5 are similar to those of embodiments 1-4, except that convex points 13 are evenly arranged on the sides of the upper and lower templates away from the post-casting strip. The convex points are arranged so that after the concrete pouring and demolding of the slab surface on both sides of the post-casting strip, the concrete surface of the slab side wall can form a concave-convex structure, which effectively solves the problem of manual roughening and flushing of the old concrete surface during the later post-casting strip construction, saving time, labor and labor costs.

[0040] The present invention also provides a construction method for the formwork on both sides of the post-casting strip, comprising: After the steel bar binding construction of the slab on both sides of the post-cast joint is completed.

[0041] Install the lower formwork under the waterstop steel plate, place the steel bars in the inner section of the notch, and place the baffle structure in the outer section of the notch. According to the spacing of the steel bars on the plate surface, insert the lower formwork along the bottom of the steel bars at the bottom of the waterstop steel plate, align the notch of the lower formwork with the steel bars, and manually push the lock press to move the baffle to the outer section of the groove, so that the steel bars can smoothly penetrate the inner section of the notch. Then release the paddle of the lever assembly, and the spring can reset the baffle to the position of the outer section of the notch. The baffle can effectively seal the lower formwork to ensure that there is no leakage during concrete pouring. Then move the lower formwork component to a fixed position at the bottom of the waterstop steel plate.

[0042] Install the upper template above the waterstop steel plate, place the steel bar in the inner section of the notch, and place the baffle structure in the outer section of the notch. According to the spacing of the steel bars on the plate surface, insert the upper template along the bottom of the upper steel bars of the waterstop steel plate, align the notch of the upper template with the steel bar, manually push the lock press to move the baffle to the outer section of the groove, and the steel bar can smoothly penetrate the inner section of the notch. Then release the paddle of the lever assembly, and the spring can reset the baffle to the position of the outer section of the notch. The baffle can effectively seal the upper template to ensure that there is no leakage during concrete pouring. Then move the upper template component to a fixed position on the upper part of the waterstop steel plate.

[0043] Through the plug plate and the slot, multiple L-shaped connecting frames are installed on the lower template, and multiple Z-shaped connecting frames are installed on the upper template. After the sockets and spigots of the L-shaped connecting frame and the Z-shaped connecting frame are docked, the L-shaped connection and the Z-shaped connecting frame are locked by the lock buckle. A spigot and a socket are provided between the L-shaped connecting frame and the Z-shaped connecting frame, and the socket connection is used to ensure the stability of the overall connection inside the first connection structure.

[0044] Then, the threaded sleeve of the second connecting structure is used to adjust the distance between the first connecting structures on both sides, and indirectly adjust the distance between the templates on both sides of the post-casting strip, so that the templates on both sides fit on the steel cage to be poured with concrete.

[0045] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The formwork structure device on both sides of the post-casting belt is characterized by: include The template is attached to the set edges of the concrete to be poured on both sides of the post-casting strip. The template is divided into an upper template and a lower template. The upper template and the lower template are attached to the upper surface and the lower surface of the water-stop steel plate respectively; The baffle structure is provided with notches on both the upper and lower templates, and the notches extend from the middle of the upper or lower template to the water stop steel plate; the notches are divided into inner and outer sections, and after the steel bars of the external structure on both sides of the post-casting strip pass through the inner section of the notch, the baffle structure is placed on the outer section of the notch to seal it; A first connection structure, wherein a plurality of first connection structures are connected between the upper template and the lower template of the single-side template in a detachable manner, and the upper and lower templates are fixedly connected into a whole; The second connecting structure is connected between the first connecting structures of the templates on both sides and adjusts the distance between the templates on both sides.

2. The formwork structure device on both sides of the post-casting strip according to claim 1 is characterized in that: Slide grooves are provided on both sides of the notch, and the baffle structure and the template are separately provided; according to the needs, the baffle structure is installed on the template through the slide grooves on both sides.

3. The formwork structure device on both sides of the post-casting strip according to claim 1 is characterized in that: A first accommodating groove is provided on the side of the notch, and a baffle structure is provided in each first accommodating groove; a baffle is provided in the baffle structure, and the baffle slides between the first accommodating groove and the notch; after the steel bar is placed in the inner section of the notch, the baffle slides into the outer section of the notch under the action of the baffle structure and seals the outer section.

4. The formwork structure device on both sides of the post-casting strip according to claim 3 is characterized in that: The baffle structure includes a baffle, a spring, and a lever assembly. The baffle is placed in a first accommodating groove. The two ends of the spring are connected between the baffle and the inner wall of the accommodating groove, and the spring is in a compressed state. The baffle is connected to the lever assembly, and the spring is compressed by the lever to slide the baffle from the outer section of the groove into the first accommodating groove.

5. The formwork structure device on both sides of the post-casting strip according to claim 4 is characterized in that: A limiting groove is also provided on the side of the slot, and the limiting groove and the first accommodating groove are respectively located on both sides of the slot; one side of the baffle slides out of the first accommodating groove, passes through the slot and is placed in the limiting groove, and the other side of the baffle is located in the first accommodating groove.

6. The formwork structure device on both sides of the post-casting strip according to claim 4 is characterized in that: The lever assembly includes a connecting rod and a lever piece. A guide groove is provided on the upper template or the lower template. The guide groove is connected to all the first accommodating grooves. The length direction of the guide groove is the same as the compression direction of the spring. The connecting rod is placed in the guide groove and is connected to all the baffles. A lever groove is provided on the guide groove. The lever groove runs through the side of the template close to the post-casting strip. The lever piece passes through the lever groove and is fixedly connected to the connecting rod.

7. The formwork structure device on both sides of the post-casting strip according to claim 1 is characterized in that: The first connection structure includes an L-shaped connection frame, a Z-shaped connection frame, and a lock. The L-shaped connection frame is divided into a first transverse section and a first vertical section, and the Z-shaped connection frame is divided into a second transverse section, a second vertical section, and a third transverse section. An insert plate is provided at the end of the first transverse section and the second transverse section, and slots are provided on the upper template and the lower template of the template. The insertion opening of the slot on the upper template is located at the upper part, and the insertion opening of the slot on the lower template is located at the lower part. The setting position of the slot on the upper and lower templates must ensure that: after the insert plate is inserted into the slot, the end of the first vertical section and the end of the second vertical section are fitted together; at the fitting position, the first vertical section and the second vertical section are respectively provided with one of a socket and a socket; one or more locks are provided between the first vertical section and the second vertical section to achieve a fixed connection between the two.

8. The formwork structure device on both sides of the post-casting strip according to claim 7 is characterized in that: The second connection structure adopts a threaded sleeve, and external threads are arranged on the third transverse section of the first connection structure on both sides of the post-casting strip, and internal threads matching the external threads are arranged on both side ends of the threaded sleeve.

9. The formwork structure device on both sides of the post-casting strip according to claim 1 is characterized in that: Bumps are evenly arranged on the sides of the upper formwork and the lower formwork away from the post-casting strip.

10. The construction method of the formwork structure on both sides of the post-casting belt is characterized by: The formwork structure device on both sides of the post-casting strip as claimed in any one of claims 1 to 9 comprises: Install the lower formwork under the waterstop steel plate, place the steel bars on the inner section of the notch, and place the baffle structure on the outer section of the notch; Install the template above the water stop steel plate, place the steel bars on the inner section of the notch, and place the baffle structure on the outer section of the notch; Installing a first connecting structure and a second connecting structure between the upper and lower templates on both sides; The distance between the templates on both sides of the post-casting strip is controlled by the second connecting structure.

Images