Quick-mounting formwork structure for cast-in-place gully

Abstract

The application relates to a quick-mounting type formwork structure of a cast-in-situ rainwater inlet, and relates to the technical field of concrete pouring formworks. The quick-mounting type formwork structure of the cast-in-situ rainwater inlet comprises a forming inner mold. A grouting channel for pouring concrete slurry is arranged through the forming inner mold. Two plugging plates for plugging the grouting channel are respectively arranged at the opposite ends of the forming inner mold. Two pre-support plates are also arranged at the outer side wall of the forming inner mold and between the two plugging plates, and the forming inner mold is located between the two pre-support plates. The pre-support plates and the plugging plates are connected through locking devices. The application has the effects of improving the installation efficiency of the wood plate structure and helping to guarantee the forming quality of the concrete slurry in the grouting channel.

Description

Technical Field

[0001] This application relates to the field of concrete pouring formwork technology, and in particular to a quick-installation formwork structure for cast-in-place rainwater inlets. Background Technology

[0002] Storm drains are important structures for drainage in municipal roads. During construction, two methods are commonly used: cast-in-place concrete and brick masonry. Cast-in-place storm drains are widely adopted due to their advantages of good overall stability, high strength, and good impermeability.

[0003] In the actual construction of cast-in-place storm drains, workers mostly use wooden formwork to build the concrete structure of the storm drain. Workers typically connect adjacent wooden formwork with bolts or screws, and then use heavy objects or jacks to support the outer walls of the formwork. This allows the concrete slurry to be stably supported within the area enclosed by the multiple wooden formwork panels, thus helping the concrete slurry to solidify and form the storm drain structure of the desired shape.

[0004] However, during the installation of wooden formwork, construction workers need to first align the formwork and then fix it with bolts or screws. After that, external objects are needed to support the outer wall of the wooden formwork. The entire formwork installation process is very inconvenient and time-consuming, and therefore needs to be improved. Summary of the Invention

[0005] To address the problems of inconvenient and time-consuming installation of wooden formwork, this application provides a quick-installation formwork structure for cast-in-place rainwater inlets.

[0006] The quick-installation formwork structure for cast-in-place rainwater inlets provided in this application adopts the following technical solution:

[0007] A quick-assembly formwork structure for cast-in-place rainwater inlets includes a molded inner mold; a grouting channel for injecting concrete slurry is provided through the molded inner mold, and grout-blocking plates for sealing the grouting channel are respectively abutted against the opposite ends of the molded inner mold; two pre-support plates are also abutted against the outer wall of the molded inner mold and located between the two opposite grout-blocking plates, and the molded inner mold is located between the two pre-support plates; each pre-support plate and the two grout-blocking plates are connected by a locking device.

[0008] By adopting the above technical solution, the inner mold is formed to receive the slow-setting concrete slurry used to form the rainwater inlet structure through the grouting channel. After the two pre-support plates are pressed against both sides of the width direction of the inner mold, the two grout-blocking plates are pressed against both ends of the length direction of the inner mold and can simultaneously press against the two pre-support plates. After the locking device fixes the pre-support plates and the grout-blocking plates located at both ends of the length direction of the pre-support plates, the inner mold can be quickly and stably positioned between the two pre-support plates and the two grout-blocking plates. This not only enables the rapid installation of the template structure, but also helps to ensure the forming quality of the concrete slurry in the grouting channel.

[0009] In one specific implementation, the locking device includes a locking bolt and a locking nut; the shank of the locking bolt passes through both the pre-support plate and the grout-blocking plates located at both ends of the pre-support plate, and the locking nut is threaded onto the shank of the locking bolt, so that the two grout-blocking plates simultaneously abut against the forming inner mold and the two pre-support plates.

[0010] By adopting the above technical solution, the shank of the locking bolt passes through both the pre-support plate and the grouting plates located at both ends of the pre-support plate along its length, thereby reducing the phenomenon of large-scale movement of the grouting plates relative to the forming inner mold and the pre-support plate. The locking nut is threaded and tightened on the shank of the locking bolt, so that the two grouting plates stably press against the forming inner mold and the two pre-support plates. This not only enables the rapid installation of the template structure, but also helps to ensure the forming quality of the concrete slurry in the grouting channel.

[0011] In one specific implementation scheme, the side wall of the forming inner mold near the pre-support plate is provided with a quick-release strip, and the pre-support plate is provided with an installation groove for the quick-release strip to be inserted.

[0012] By adopting the above technical solution, the quick-install strip is inserted into the inner cavity of the installation groove, which enables the forming inner mold to be quickly positioned and connected between the two pre-support plates, effectively speeding up the assembly of the template structure by construction workers; in addition, the directional insertion of the quick-install strip into the installation groove also helps to ensure the stability of the two pre-support plates simultaneously abutting the forming inner mold.

[0013] In one specific feasible implementation, the inner mold is integrally formed.

[0014] By adopting the above technical solution, the one-piece molded inner mold structure has high strength, which can ensure the molding quality of the rainwater inlet structure formed by the concrete slurry when the concrete slurry is cured and molded; in addition, the one-piece molded inner mold is not easily damaged by collisions or other factors during transportation, and the molded inner mold can also maintain its original shape after long-term and multiple uses, which is convenient for long-term reuse.

[0015] In one specific implementation, the forming inner mold includes two inner mold vertical plates and multiple slurry-bearing base plates; the multiple slurry-bearing base plates abut between the two inner mold vertical plates, and each slurry-bearing base plate is connected to the adjacent slurry-bearing base plate and / or inner mold vertical plate.

[0016] By adopting the above technical solution, when pouring non-standard sized rainwater inlet structures, construction workers only need to increase or decrease the number of grout-bearing base plates to quickly adjust the width of the grouting channel cavity of the molded inner mold, thereby facilitating the rapid pouring of rainwater inlet structures of different widths.

[0017] In one specific implementation, each of the slurry-bearing base plates includes a slurry-bearing main plate, and the two opposite sides of the slurry-bearing main plate are respectively provided with an external connecting protrusion and an internal insertion groove; the side walls of the two inner mold vertical plates facing each other are respectively provided with an end joint groove for inserting the external connecting protrusion, or an end abutment for inserting into the internal insertion groove.

[0018] By adopting the above technical solution, the external connecting protrusion is inserted into the inner cavity of the inner insertion groove, which enables the side walls of adjacent slurry bearing main plates to abut and connect with each other; the external connecting protrusion is inserted into the inner cavity of the end groove, or the end abutment block is inserted into the inner cavity of the inner insertion groove, which enables the slurry bearing main plate to be quickly connected to the inner mold vertical plate.

[0019] In one specific implementation, each of the external connecting protrusions is provided with an embedded annular groove along its circumference, and a limiting sleeve is provided in the side wall of the embedded annular groove of the external connecting protrusion; after the external connecting protrusion is inserted into the cavity of the inner insertion groove or the end connection groove, the limiting sleeve is interference-fitted between the side wall of the external connecting protrusion and the inner insertion groove, or interference-fitted between the side wall of the external connecting protrusion and the end connection groove.

[0020] By adopting the above technical solution, the limiting sleeve is installed on the outer connecting protrusion through the embedded annular groove. After the outer connecting protrusion with the limiting sleeve is inserted into the inner cavity of the inner insertion groove or the end connection groove, the limiting sleeve is interference-fitted between the side wall of the outer connecting protrusion and the inner insertion groove, or interference-fitted between the side wall of the outer connecting protrusion and the end connection groove, thus ensuring the connection strength of the adjacent slurry bearing main plate, as well as the connection strength between the slurry bearing main plate and the adjacent inner mold vertical plate.

[0021] In one specific implementation scheme, the sidewalls of the two grout-blocking plates facing each other are respectively provided with bottom support plates, which are located between the two pre-support plates and simultaneously abut against the bottom walls of the two inner mold vertical plates and all the grout-blocking main plates.

[0022] By adopting the above technical solution, when the grouting plate simultaneously abuts against the forming inner mold and the two pre-support plates, the bottom support plate can abut against the bottom wall of the two inner mold vertical plates and all the grouting main plates, so as to ensure the structural stability of the forming inner mold after receiving the concrete grout. In this way, while ensuring the rapid forming of the template structure, it helps to ensure the forming quality of the concrete grout in the grouting channel.

[0023] In summary, this application has the following beneficial technical effects:

[0024] 1. The inner mold is formed by receiving the slow-setting concrete slurry used to form the rainwater inlet structure through the grouting channel. After two pre-support plates are pressed against both sides of the inner mold in the width direction, two grout-blocking plates are pressed against both ends of the inner mold in the length direction and can simultaneously press against the two pre-support plates. After the locking device fixes the pre-support plates and the grout-blocking plates located at both ends of the length direction of the pre-support plates, the inner mold can be quickly and stably positioned between the two pre-support plates and the two grout-blocking plates. This not only enables the rapid installation of the template structure, but also helps to ensure the forming quality of the concrete slurry in the grouting channel.

[0025] 2. The limiting sleeve is installed on the outer connecting protrusion through the embedded annular groove. After the outer connecting protrusion with the limiting sleeve is inserted into the inner cavity of the inner insertion groove or the end connection groove, the limiting sleeve is interference-fitted between the side wall of the outer connecting protrusion and the inner insertion groove, or interference-fitted between the side wall of the outer connecting protrusion and the end connection groove, ensuring the connection strength of the adjacent slurry bearing main plate, as well as the connection strength between the slurry bearing main plate and the adjacent inner mold vertical plate. Attached Figure Description

[0026] Figure 1 This is a structural schematic diagram of a quick-installation template structure for a cast-in-place rainwater inlet according to Embodiment 1 of this application;

[0027] Figure 2 This is a cross-sectional view of the connection relationship between the forming inner mold and the pre-support plate in Embodiment 1 of this application;

[0028] Figure 3 This is a cross-sectional view showing the connection relationship between the molding inner mold, the pre-support plate, and the grout-blocking plate in Embodiment 1 of this application;

[0029] Figure 4 This is a schematic diagram of the molding inner mold in Embodiment 2 of this application;

[0030] Figure 5 This is a cross-sectional view of the molding inner mold in Embodiment 2 of this application;

[0031] Figure 6 yes Figure 5 An enlarged schematic diagram of part A in the middle.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Inner mold; 11. Grouting channel; 12. Quick-release strip; 2. Pre-support plate; 21. Installation groove; 3. Grouting plate; 31. Bottom support plate; 4. Locking device; 41. Locking bolt; 42. Locking nut; 5. Inner mold vertical plate; 51. End abutment block; 52. End connection groove; 6. Grouting bottom plate; 61. Grouting main plate; 611. External connecting protrusion; 6111. Embedded ring groove; 6112. Limiting sleeve; 612. Internal insertion groove. Detailed Implementation

[0034] This application discloses a quick-installation template structure for cast-in-place rainwater inlets.

[0035] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0036] Example 1

[0037] Reference Figure 1 and Figure 2 A quick-assembly template structure for cast-in-place rainwater inlets includes a molding inner mold 1. In this embodiment, the molding inner mold 1 is made of steel block and is integrally molded. A pre-set grouting channel 11 extends horizontally through the molding inner mold 1. The grouting channel 11 extends along the length of the molding inner mold 1, and the two ends of the molding inner mold 1 along its length are open. The molding inner mold 1 with the grouting channel 11 is U-shaped.

[0038] Reference Figure 1 As shown in the figure, pre-support plates 2 are respectively provided on both sides of the inner mold 1 in the width direction.

[0039] Reference Figure 2 and Figure 3 Each pre-support plate 2 can abut against the side wall of the forming inner mold 1 in the width direction. In this embodiment, the length dimension of the pre-support plate 2 is the same as the length dimension of the forming inner mold 1. The side wall of the forming inner mold 1 facing each pre-support plate 2 is also integrally formed with a quick-release strip 12. In this embodiment, the quick-release strip 12 can be a dovetail-shaped steel strip. The top wall of each pre-support plate 2 is provided with a mounting groove 21 in the vertical direction. The inner diameter of the mounting groove 21 is adapted to the outer circumference of the quick-release strip 12, and the height dimension of the mounting groove 21 is smaller than the height dimension of the pre-support plate 2.

[0040] Reference Figure 2 and Figure 3 The quick-release strip 12 can be inserted into the inner cavity of the mounting groove 21, allowing the molding inner mold 1 to be quickly installed between the two pre-support plates 2. At this time, the bottom walls of the two pre-support plates 2 simultaneously abut against the ground, so as to stably support the molding inner mold 1 above the ground.

[0041] Reference Figure 1 and Figure 3The inner mold 1 is provided with grout-blocking plates 3 at both ends along its length. In this embodiment, the grout-blocking plates 3 can be steel plates and can be stably placed on the ground by their own weight. Each grout-blocking plate 3 can simultaneously abut against the inner mold 1 and the same end of the two pre-support plates 2 along their length to seal the opening of the grouting channel 11.

[0042] Reference Figure 1 and Figure 3 The two sections of the inner mold 1 in the width direction are simultaneously held together by two pre-supported plates 2, and the two ends of the inner mold 1 in the length direction are simultaneously held together by two grout-blocking plates 3. Concrete grout can be poured into the inner cavity of the inner mold 1 to solidify and form the rainwater inlet structure required for construction. It should be noted that the inner sidewall of the grouting channel 11 and the sidewalls of the two grout-blocking plates 3 facing each other are coated with concrete release oil so that the subsequently solidified concrete product can be quickly demolded.

[0043] Reference Figure 1 and Figure 3 In order to improve the positional stability of the two grout-blocking plates 3 and the two pre-support plates 2 pressing against the outer peripheral wall of the molding inner mold 1, a locking device 4 is also provided between each pre-support plate 2 and the grout-blocking plates 3 located at both ends of the length direction of the pre-support plate 2. The locking device includes locking bolts 41 and locking nuts 42.

[0044] Reference Figure 1 and Figure 3 The shank of the locking bolt 41 can pass through both a pre-support plate 2 and the grouting plates 3 located at both ends of the pre-support plate 2 along its length. Then, the construction worker threads the locking nut 42 onto the shank of the locking bolt 41 until the locking nut 42 is pressed against the side wall of one of the grouting plates 3 away from the pre-support plate 2. At this point, the two grouting plates 3 can simultaneously and stably press against the forming inner mold 1 and the two pre-support plates 2, reducing the outflow of concrete grout from the grouting channel 11 and helping to ensure the curing quality of the concrete grout within the grouting channel 11.

[0045] The implementation principle of a quick-installation template structure for cast-in-place rainwater inlets in this application embodiment is as follows: During the casting of the standard-sized rainwater inlet structure, after the construction personnel insert the quick-installation strip 12 into the inner cavity of the installation groove 21, the molded inner mold 1 can be quickly installed between two pre-supported plates 2 placed opposite each other.

[0046] Next, the construction workers place the two grout-blocking plates 3 at both ends of the length of the inner mold 1. At this point, the grout-blocking plates 3 can simultaneously abut against the inner mold 1 and the pre-support plate 2 at the same end along the length of the inner mold 1. Finally, the construction workers pass the rod of the locking bolt 41 through the inner mold 1 and the grout-blocking plates 3 located at both ends of the inner mold 1 along the length of the inner mold 1, and then tighten the locking nut 42 onto the rod of the locking bolt 41. This allows the two grout-blocking plates 3 to stably abut against the two pre-support plates 2 and the inner mold 1 located between the two pre-support plates 2. This process enables the rapid installation of the formwork for the rainwater inlet pouring and helps to ensure the molding quality of the concrete slurry within the inner mold 1.

[0047] Example 2

[0048] The difference between Embodiment 2 and Embodiment 1 of this application is that, referring to... Figure 4 The inner mold 1 includes two detachably connected inner mold vertical plates 5 and multiple slurry-bearing base plates 6, for casting and molding non-standard sized rainwater inlet structures.

[0049] Reference Figure 5 and Figure 6 In this embodiment, the two inner mold vertical plates 5 can be steel plates of the same size. All slurry-bearing base plates 6 are located between the two inner mold vertical plates 5, and the side walls of adjacent slurry-bearing base plates 6 abut against each other and are connected to each other. Each slurry-bearing base plate 6 includes a slurry-bearing main plate 61, and an external connecting protrusion 611 is integrally formed on one side of the slurry-bearing main plate 61 in the width direction. An internal insertion groove 612 is provided on the side wall of the slurry-bearing main plate 61 away from the external connecting protrusion 611. The inner diameter of the cavity of the internal insertion groove 612 is adapted to the outer peripheral size of the external connecting protrusion 611.

[0050] Reference Figure 5 and Figure 6 When all the slurry-bearing base plates 6 located between the two inner mold vertical plates 5 are connected, the outer connecting protrusion 611 of one slurry-bearing main plate 61 is inserted into the inner cavity of the inner insertion groove 612 of another slurry-bearing main plate 61, so that the side walls of the two adjacent slurry-bearing main plates 61 abut against each other, and the two abutting slurry-bearing main plates 61 are connected.

[0051] Reference Figure 5 and Figure 6 During the assembly of the inner mold 1, the two inner mold vertical plates 5 are connected to the two slurry-bearing main plates 61 respectively. One inner mold vertical plate 5 has an end abutment block 51 integrally formed on its side wall facing the slurry-bearing main plate 61, the outer circumference of which matches the inner diameter of any end-connecting groove 52. The other inner mold vertical plate 5 has an end-connecting groove 52 pre-set on its side wall facing the slurry-bearing main plate 61, the inner diameter of which matches the outer circumference of any external connecting protrusion 611.

[0052] Reference Figure 5 and Figure 6 All the grout-bearing main plates 61 located between the two inner mold vertical plates 5 are connected by external connecting protrusions 611 inserted into the inner cavity of the inner insertion groove 612. There are two grout-bearing main plates 61 near the inner mold vertical plate 5. The external connecting protrusion 611 of one grout-bearing main plate 61 is inserted into the inner cavity of the end groove 52 of the nearby inner mold vertical plate 5, and the inner insertion groove 612 of the other grout-bearing main plate 61 is inserted by the end abutment block 51 of the nearby inner mold vertical plate 5. This allows all the grout-bearing base plates 6 to be quickly installed between the inner mold vertical plates 5, so that the forming inner mold 1 can quickly adjust the width of the grouting channel 11 and achieve assembly.

[0053] Reference Figure 6 To improve the connection strength between adjacent slurry-bearing base plates 6 and between the slurry-bearing base plate 6 and the inner mold vertical plate 5, each outer connecting protrusion 611 has a circumferentially embedded annular groove 6111 on its sidewall. A limiting sleeve 6112 is glued to the sidewall of each embedded annular groove 6111. In this embodiment, the limiting sleeve 6112 can be made of flexible and easily deformable rubber, and the portion of the limiting sleeve 6112 away from the outer connecting protrusion 611 is located outside the embedded annular groove 6111.

[0054] Reference Figure 5 and Figure 6 After the external connecting protrusion 611 is inserted into the inner cavity of the inner insertion groove 612 or the end connection groove 52, the limiting sleeve 6112 can be interference-fitted between the side wall of the external connecting protrusion 611 and the inner insertion groove 612, or interference-fitted between the side wall of the external connecting protrusion 611 and the end connection groove 52, so as to improve the connection strength of the adjacent and abutting grout-bearing base plate 6, or the connection strength of the grout-bearing base plate 6 and the inner mold vertical plate 5, thereby helping to ensure the molding stability and molding quality of the concrete slurry in the molding inner mold 1.

[0055] Reference Figure 4 To ensure the stability of the assembled inner mold 1, bottom support plates 31 are integrally formed along the horizontal direction on the side walls of the two grout-blocking plates 3 facing each other. The two grout-blocking plates 3 are located between the two pre-support plates 2, and a gap is left between the two grout-blocking plates 3. When the grout-blocking plates 3 simultaneously press against the same end of the inner mold 1 and the two pre-support plates 2 in the length direction, the bottom support plates 31 abut against the bottom walls of the two inner mold vertical plates 5 and all the grout-bearing main plates 61, so as to ensure the stability of the inner mold 1 after receiving the grout.

[0056] The implementation principle of a quick-installation template structure for cast-in-place rainwater inlets in this application embodiment is as follows: When a non-standard sized rainwater inlet structure needs to be cast, the construction personnel can increase or decrease the number of grouting main plates 61 according to the required width of the rainwater inlet structure, so as to adjust the width of the grouting channel 11 of the inner mold 1.

[0057] Adjacent grout-bearing main plates 61 are connected by external connecting protrusions 611 inserted into the inner cavity of the inner insertion groove 612. The grout-bearing main plates 61 and the vertical plate 5 near the inner mold are connected by external connecting protrusions 611 inserted into the inner cavity of the end connection groove 52, or by end abutments 51 inserted into the inner cavity of the inner insertion groove 612, so that the inner mold 1 can be formed quickly. Then, the construction workers use two pre-support plates 2 and two grout-blocking plates 3 to simultaneously press the inner mold 1, so that the construction workers can quickly complete the installation of the formwork for pouring rainwater inlets. At the same time, it helps to ensure the forming quality of concrete slurry in the inner mold 1.

[0058] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A quick-installation formwork structure for cast-in-place rainwater inlets, characterized in that: The system includes a molding inner mold (1); a grouting channel (11) for injecting concrete slurry is provided through the molding inner mold (1); grouting plates (3) for sealing the grouting channel (11) are respectively abutted against the opposite ends of the molding inner mold (1); two pre-support plates (2) are also abutted against the outer wall of the molding inner mold (1) and located between the two opposing grouting plates (3), and the molding inner mold (1) is located between the two pre-support plates (2); each of the pre-support plates (2) and the two The block grouting plate (3) is connected by a locking device (4); the side wall of the forming inner mold (1) near the pre-support plate (2) is provided with a quick-installation strip (12), and the pre-support plate (2) is provided with an installation groove (21) for the quick-installation strip (12) to be inserted; the forming inner mold (1) includes two inner mold vertical plates (5) and multiple grout-bearing base plates (6); the multiple grout-bearing base plates (6) abut between the two inner mold vertical plates (5), and each grout-bearing base plate (6) is connected to the adjacent grout-bearing base plate (6). The slurry-bearing base plate (6) is connected to the inner mold vertical plate (5); each of the slurry-bearing base plates (6) includes a slurry-bearing main plate (61), and the two opposite sides of the slurry-bearing main plate (61) are respectively provided with a matching external connecting protrusion (611) and an internal insertion groove (612); the two inner mold vertical plates (5) are respectively provided with end joint grooves (52) for inserting the external connecting protrusion (611) or end abutments (51) for inserting into the internal insertion groove (612); each of the external connecting protrusions (611) is connected to the inner mold vertical plate (5). An embedded annular groove (6111) is provided along the circumferential direction of the upper edge. A limiting sleeve (6112) is provided in the side wall of the embedded annular groove (6111). After the external connecting protrusion (611) is inserted into the inner cavity of the inner insertion groove (612) or the end connection groove (52), the limiting sleeve (6112) is interference-fitted between the side wall of the external connecting protrusion (611) and the inner insertion groove (612), or interference-fitted between the side wall of the external connecting protrusion (611) and the end connection groove (52).

2. The quick-installation formwork structure for cast-in-place rainwater inlets according to claim 1, characterized in that: The locking device (4) includes a locking bolt (41) and a locking nut (42); the rod of the locking bolt (41) passes through the pre-support plate (2) and the grouting plates (3) located at both ends of the pre-support plate (2); the locking nut (42) is threaded onto the rod of the locking bolt (41), so that the two grouting plates (3) simultaneously abut against the forming inner mold (1) and the two pre-support plates (2).

3. The quick-installation formwork structure for cast-in-place rainwater inlets according to claim 2, characterized in that: The inner mold (1) is integrally molded.

4. The quick-installation formwork structure for cast-in-place rainwater inlets according to claim 3, characterized in that: The two grout-blocking plates (3) are respectively provided with bottom support plates (31) on their sidewalls facing each other. The bottom support plates (31) are located between the two pre-support plates (2) and simultaneously abut against the bottom walls of the two inner mold vertical plates (5) and all the grout-blocking main plates (61).

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