Non-demolition rapid closure net fixing structure for post-cast concrete sections of underground water facilities

Abstract

In the field of underground construction technology, we provide a non-demolition, rapid closing net fixing structure for the cast-in-place concrete section of an underground water facility. [Solution] The invention comprises a watertight steel plate 1 and a fish-scale plate 2 mounted on the top of the watertight steel plate, with a fixing mechanism 3 providing support between the watertight steel plate and the fish-scale plate. The fixing mechanism includes an arc-shaped support plate 301 that slides into engagement with the back of the fish-scale plate, an inner support plate 302 fixedly connected to the side of the arc-shaped support plate, a support leg 303 fixedly connected to the outside of the inner support plate, the support leg welded to the top of the watertight steel plate, and a bolt member 304 screwed into the top of the support leg, the bolt member passing through the inner support plate and the support leg and making pressing contact with the outside of the arc-shaped support plate. The non-demolition rapid closing net fixing structure for the concrete section of an underground buried water facility of this invention has high structural strength and high convenience.

Description

Technical Field

[0001] The present invention relates to the technical field of underground construction engineering, and particularly to a non-dismantling rapid closing net fixing structure for the post-cast concrete part of an underground buried water tank.

Background Art

[0002] In the construction of large underground reinforced concrete structures such as underground buried water tanks, in order to solve problems such as settlement and shrinkage, post-cast concrete parts are often installed. Since the concrete on both sides of the post-cast concrete part needs to be cast in two separate times, it is necessary to install a temporary formwork (i.e., a closing net) on the end face of the previously cast part to form a rough and orderly joint surface.

[0003] In the conventional construction method, a single-layer closing net made of wooden formwork or steel reinforcement support work is often used. However, this structure is prone to swelling and deformation when receiving the lateral pressure of concrete, resulting in an uneven interface of the post-cast concrete part. In addition, in the later stage, it is necessary to spend a great deal of labor to remove the support structure, generating a large amount of construction waste and having low efficiency. Therefore, there is an urgent need for a closing net fixing structure for the post-cast concrete part that is quick to install, firmly fixed, does not require dismantling, and can guarantee the interface quality and waterproof performance.

Summary of the Invention

Problems to be Solved by the Invention

[0004] The present invention discloses a non-dismantling rapid closing net fixing structure for the post-cast concrete part of an underground buried water tank, aiming to solve the technical problems that there is room for improvement in both the structural strength and construction convenience of the conventional closing net.

Means for Solving the Problems

[0005] To achieve the above object, the present invention adopts the following technical means: A non-demolition rapid closing net fixing structure for a concrete section of an underground buried water facility, comprising a water-stopping steel plate, a fish-scale plate mounted on the top of the water-stopping steel plate, and a fixing mechanism providing support between the water-stopping steel plate and the fish-scale plate;

[0006] The fixing mechanism includes an arc-shaped support plate that slides into engagement with the back of the fish scale plate, an inner support plate fixedly connected to the side of the arc-shaped support plate, a support leg fixedly connected to the outside of the inner support plate, the support leg welded to the top of the watertight steel plate, a bolt member screwed into the top of the support leg, the bolt member passing through the inner support plate and the support leg and making pressing contact with the outside of the arc-shaped support plate.

[0007] Based on conventional closed net structures, this system improves upon the traditional fixing structure by utilizing installed arc-shaped support plates to provide reverse support to the fish scale plates, further resisting unilateral deformation of the fish scale plates and maintaining their vertical perpendicularity. Simultaneously, by rotating the bolt members and using them to apply compressive force to the arc-shaped support plates, and further providing secondary support to the fish scale plates, the structural strength of conventional closed nets is significantly improved. Furthermore, this fixing mechanism is a disposable item and is directly embedded in the concrete layer together with the fish scale net, improving the operability of conventional closed nets while simultaneously strengthening their structural strength.

[0008] In the preferred solution, engaging portions are provided symmetrically at the upper and lower ends of the fish scale plate, an engaging block is fixed to the connecting end of the arc-shaped support plate and the inner support plate, and the engaging block slides into the inside of the engaging portion.

[0009] By providing engagement blocks at the connecting ends of the arc-shaped support plate and the inner support plate, and by having the engagement blocks and engagement parts cooperate, the stability of the fixing mechanism after installation is improved.

[0010] In the preferred solution, a pre-welded portion is provided at the bottom of the support leg, and the pre-welded portion is welded and fixed to the top of the watertight steel plate.

[0011] A pre-welded section is provided at the base of the support leg, which assists the worker in securing the fixing mechanism and further improves the ease of installation of the closing net. [Effects of the Invention]

[0012] As described above, the non-demolition rapid closing net fixing structure for the concrete section of an underground water facility provided by this invention has the following improvements and effects compared to existing technologies:

[0013] Based on the conventional closed net structure, this design improves upon the conventional fixing structure by utilizing an installed arc-shaped support plate to provide reverse support force to the fish scale plate, further resisting deformation on one side of the fish scale plate and maintaining its vertical perpendicularity. Simultaneously, by rotating the bolt member and using the bolt member to provide compressive force to the arc-shaped support plate, and further providing secondary support to the fish scale plate, the structural strength of the conventional closed net is significantly improved. On the other hand, this fixing mechanism is a disposable item and is directly embedded in the concrete layer together with the fish scale net, improving the operability of the conventional closed net while simultaneously strengthening its structural strength. [Brief explanation of the drawing]

[0014] [Figure 1] This is a schematic diagram of the overall structure of the non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as submitted by this invention. [Figure 2] This is a side view of the overall structure of the non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as submitted by the present invention. [Figure 3] This is a schematic diagram of the fixing mechanism structure of the non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as submitted by the present invention.

[0015] Symbols in the diagram: 1, watertight steel plate; 2, fish scale plate; 201, precast member; 202, tongue-shaped member; 203, engaging part; 204, circular hole; 3, fixing mechanism; 301, arc-shaped support plate; 302, inner support plate; 303, support leg; 304, bolt member; 305, engaging block; 306, pre-welded part. [Modes for carrying out the invention]

[0016] The technical solutions in embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments. It will be clear that the embodiments described are only some, and not all, embodiments of the present invention.

[0017] In the description of this invention, the directions or positional relationships indicated by terms such as "up," "down," "front," "back," "left," "right," "top," "bottom," "inside," and "outside" are based on the directions or positional relationships shown in the drawings. These terms are merely used to facilitate the explanation of this invention and to simplify the description, and do not imply or stipulate that the indicated device or component has a specific direction or must be configured and operated in a specific direction. Therefore, they should not be understood as limitations on this invention.

[0018] The non-demolition rapid closing net fixing structure for the concrete section of an underground water facility disclosed in this invention is mainly applicable to situations where a rapid closing net needs to be fixedly installed.

[0019] Referring to Figures 1 to 3, the non-demolition rapid closing net fixing structure for the concrete section of an underground watering hole comprises a water-stopping steel plate 1, a fish-scale plate 2 mounted on top of the water-stopping steel plate 1, and a fixing mechanism 3 that provides support between the water-stopping steel plate 1 and the fish-scale plate 2;

[0020] The fixing mechanism 3 includes an arc-shaped support plate 301 that slides into engagement with the back of the fish scale plate 2. An inner support plate 302 is fixedly connected to the side of the arc-shaped support plate 301, and a support leg 303 is fixedly connected to the outside of the inner support plate 302. The support leg 303 is welded to the top of the watertight steel plate 1, and a bolt member 304 is screwed into the top of the support leg 303. The bolt member 304 penetrates the inner support plate 302 and the support leg 303 and presses against the outside of the arc-shaped support plate 301.

[0021] In this embodiment: After the operator completes the installation of the water-stop steel plate 1, the operator slides and installs the arc-shaped support plate 301 and the inner support plate 302 on the back of the fish-scale plate 2. At the same time, the fish-scale plate 2 is vertically arranged on the top of the water-stop steel plate 1, and the support leg 303 is brought into contact with the upper surface of the water-stop steel plate 1. In this case, the operator uses a welding gun to weld and fix the support leg 303 to the water-stop steel plate 1. The arc-shaped support plate 301 located on the back of the fish-scale plate 2 forms a support for the fish-scale plate 2, maintaining the structural strength when placing the concrete slurry on one side of the fish-scale plate 2. At the same time, the operator rotates the bolt member 304 and moves the bolt member 304 in the direction of the arc-shaped support plate 301 to achieve further pressing support for the arc-shaped support plate 301 and the fish-scale plate 2.

[0022] Here, a precast member 201 is provided in the middle of the fish-scale plate 2, and a plurality of uniformly distributed circular holes 204 are opened through the inside of the precast member 201. When the operator performs the injection work, after the concrete slurry coagulates, a water-stop groove structure is generated on the contact surface between the concrete layer and the precast member 201, further improving the water-blocking ability of the concrete layer. Also, the circular holes 204 discharge the moisture and latency inside the concrete layer, and at the same time, naturally form a coarse-grained interface in the water-stop groove precast in the concrete layer.

[0023] Furthermore, a plurality of rows of tongue-shaped members 202 are uniformly provided on the outside of the fish-scale plate 2. The tongue-shaped members 202 exert a forming effect on the side wall of the concrete layer, generating an uneven biting force on the side wall of the concrete layer.

[0024] Referring to FIGS. 2 and 3, in a preferred embodiment, engaging portions 203 are symmetrically provided at the upper and lower ends of the fish-scale plate 2, and an engaging block 305 is fixed to the connecting end of the arc-shaped support plate 301 and the inner support plate 302. The engaging block 305 is slidably engaged inside the engaging portion 203. When the operator installs the fixing mechanism 3, hold the arc-shaped support plate 301, align the engaging block 305 with the end of the engaging portion 203, and slide the entire fixing mechanism 3 inside the engaging portion 203, forming a pressing engagement between the engaging block 305 and the engaging portion 203.

[0025] Here, a pre-welded portion 306 is provided at the bottom of the support leg 303, and the pre-welded portion 306 is welded and fixed to the top of the watertight steel plate 1, making it easier for the worker to weld and fix the support leg 303.

[0026] Operating principle: When in use, the worker slides the arc-shaped support plate 301 and the inner support plate 302 onto the back of the fish scale plate 2, and at the same time positions the fish scale plate 2 vertically on the top of the watertight steel plate 1, and brings the support legs 303 into contact with the upper surface of the watertight steel plate 1. In this case, the worker uses a welding gun to weld and fix the support legs 303 to the watertight steel plate 1, so that the arc-shaped support plate 301 located on the back of the fish scale plate 2 forms support on the fish scale plate 2, maintaining structural strength when concrete slurry is poured onto one side of the fish scale plate 2. At the same time, the worker rotates the bolt member 304, moving the bolt member 304 toward the arc-shaped support plate 301, thereby achieving further pressing support on the arc-shaped support plate 301 and the fish scale plate 2.

[0027] The above are merely preferred specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. The substitutions may be substitutions of some structures, parts, or method steps, or substitutions of the entire technical solution. Equivalent substitutions or modifications based on the technical solution and concept of the invention are all included within the scope of protection of the present invention.

Claims

1. A non-demolition rapid closing net fixing structure for a concrete section of an underground buried water facility, comprising a water-stopping steel plate (1), a fish-scale plate (2) mounted on the top of the water-stopping steel plate (1), and a fixing mechanism (3) that provides support between the water-stopping steel plate (1) and the fish-scale plate (2); The fixing mechanism (3) includes an arc-shaped support plate (301) that slides into engagement with the back of the fish scale plate (2), an inner support plate (302) fixedly connected to the side of the arc-shaped support plate (301), a support leg (303) fixedly connected to the outside of the inner support plate (302), the support leg (303) welded to the top of the watertight steel plate (1), a bolt member (304) screwed into the top of the support leg (303), the bolt member (304) penetrates the inner support plate (302) and the support leg (303), and presses into contact with the outside of the arc-shaped support plate (301). A non-demolition, rapid closing net fixing structure for the concrete section of an underground buried water facility, characterized by the following features.

2. A precast member (201) is provided in the middle of the fish scale plate (2). The non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as described in feature 1.

3. Multiple rows of tongue-shaped members (202) are uniformly provided on the outside of the fish scale plate (2). The non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as described in feature 1.

4. Engaging portions (203) are provided symmetrically at the upper and lower ends of the fish scale plate (2). The non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as described in feature 1.

5. Multiple uniformly distributed circular holes (204) are formed, penetrating the interior of the precast member (201). The non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as described in feature 2.

6. An engagement block (305) is fixed to the connecting end of the arc-shaped support plate (301) and the inner support plate (302), and the engagement block (305) slides into the interior of the engagement portion (203). The non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as described in feature 4.

7. A pre-welded portion (306) is provided at the bottom of the support leg (303), and the pre-welded portion (306) is welded and fixed to the top of the watertight steel plate (1). The non-demolition rapid closing net fixing structure for the concrete section of an underground water facility, as described in feature 1.

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