Template for steep road section retaining wall construction

By designing a detachable and connectable template body and combining positioning rods, disassembly rods, and expansion bolts, the problem of large template volume and difficulty in transportation was solved, enabling batch transportation and convenient assembly of templates, and improving construction efficiency.

CN223675383UActive Publication Date: 2025-12-16ZHEJIANG BENTENG TRAFFIC ENG CO LTD
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Patent Information

Application Number
CN202423111538.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-16
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The existing highway retaining wall construction formwork is large in size, making it difficult to transport and affecting the construction progress.

Method used

A detachable template body was designed. The template can be transported and assembled in batches by using a combination of positioning rods, disassembly rods and expansion bolts. The template bodies can be fitted with insert plates and slots, the positioning rods and disassembly rods are threaded together, and the expansion bolts are used to separate the template from the retaining wall.

Benefits of technology

It enables batch transportation and convenient assembly of templates, improves the tightness between template bodies, facilitates disassembly and observation of the extension length of positioning rods, separates templates from retaining walls, and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a template for construction of a retaining wall on a steep road section, and aims to provide a template for construction of a retaining wall on a steep road section, which can be transported in batches and then assembled. The template comprises a plurality of template main bodies, positioning rods, dismounting rods and expanding and jacking bolts, and every two adjacent template main bodies are detachably connected; a plurality of positioning rods are arranged, and the plurality of positioning rods are uniformly distributed on the template main body; the plurality of dismounting rods are uniformly distributed on the template main body, the dismounting rods are in one-to-one correspondence with the positioning rods, and the dismounting rods are detachably connected with the positioning rods; and the expanding and jacking bolt is mounted on the template main body. The detachable formwork has the advantages that the detachable formwork can be assembled after being transported in batches, the tightness between the formwork bodies can be improved, the detachable rod and the positioning rod can be separated conveniently, the positioning rod can be inserted conveniently, the extending length can be observed conveniently, and the formwork bodies and the retaining wall can be separated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to retaining wall construction related technical field, especially point to a kind of formwork for steep section retaining wall construction. BACKGROUND

[0002] Highway retaining wall is short for highway retaining wall, is the support embankment fill or hillside soil, prevent fill or soil deformation instability, while the lateral earth pressure of concrete building that is supported. Currently, highway retaining wall construction usually adopts flat plate form construction. In highway retaining wall construction, a large number of formworks are needed, and when constructing in steep section, the volume of formwork is large, which is not easy to transport, thereby affecting construction progress.

[0003] Chinese patent authorized announcement number: CN217734095U, authorized announcement day is November 4, 2022, discloses a kind of support system of retaining wall formwork, including first formwork and second formwork, the outside of the first formwork and second formwork is respectively provided with first support mechanism and second support mechanism, the first support mechanism includes the first fixed block of fixed connection on the side of first formwork, the outside of the first fixed block is rotatably connected with rotating block, the side of the rotating block is fixedly connected with sleeve, the inside of the sleeve is screw-threaded with screw rod;The second support mechanism includes electric telescopic rod by rotating connection on second formwork, the end of the electric telescopic rod away from second formwork is fixedly connected with clamping block, the downside of the second formwork is movably hinged with bottom plate by hinge, the side of the bottom plate away from first formwork is provided with clamping groove, and the clamping block is movably connected in the inside of clamping groove, the bottom plate is provided with second bolt, and the second bolt is used to fix clamping block on the bottom plate, the side of the first formwork away from second formwork is fixedly connected with second fixed plate, the upside of the second fixed plate is fixedly connected with reinforcing plate, and the reinforcing plate is fixedly connected between the first formwork. The utility model is deficient in that the volume of the formwork is large, which is not easy to transport by road. UTILITY MODEL CONTENT

[0004] The utility model is to overcome the deficiency that the volume of formwork is large and not easy to transport in the prior art, and provides a formwork for steep section retaining wall construction, which can be transported in batches and assembled.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A formwork for steep section retaining wall construction includes:

[0007] The formwork body is provided with a plurality of formwork bodies, and adjacent two formwork bodies are detachably connected.

[0008] The positioning rod is provided with a plurality of positioning rods, and the plurality of positioning rods are uniformly distributed on the formwork body.

[0009] The dismounting rods are provided with a plurality of dismounting rods which are uniformly distributed on the formwork main bodies, the dismounting rods are one-to-one corresponding with the positioning rods, and the dismounting rods are detachably connected with the positioning rods.

[0010] The expansion bolts are installed on the formwork main bodies.

[0011] The formwork main bodies can be spliced with each other, a plurality of formwork main bodies are spliced to form a larger formwork, and the formwork is used for a retaining wall. The positioning rods are installed on the formwork main bodies, the positioning rods can support the formwork main bodies, the formwork main bodies are positioned by the steel mesh in the retaining wall, the positions of the formwork main bodies are ensured, the formwork is positioned by the positioning rods, and then the formwork is poured with concrete. After the concrete is solidified, the formwork main bodies can be dismounted by separating the dismounting rods from the positioning rods. In order to facilitate the dismounting of the formwork main bodies, the formwork main bodies can be separated from the concrete by the expansion bolts. The positioning rods are left in the retaining wall, the formwork can be transported to a construction site after being separated, and then the formwork is spliced. The formwork main bodies are more convenient to dismount, and the purpose that the formwork can be spliced after being transported in batches is achieved.

[0012] As preferred, the two adjacent side edges of the formwork main body are provided with the insertion plates, the other adjacent side edges of the formwork main body are provided with the insertion grooves, the insertion plates are matched with the insertion grooves, and the two adjacent formwork main bodies are detachably connected by the cooperation of the insertion plates and the insertion grooves. The formwork main bodies are connected by the cooperation of the insertion plates and the insertion grooves. The two side edges of the formwork main body are provided with the insertion plates, the other two side edges are provided with the insertion grooves, the insertion plates and the insertion grooves are matched with each other, the insertion plates on one side of the formwork main body are inserted into the insertion grooves of the adjacent formwork main body, the formwork main bodies of the retaining wall are formed by a plurality of formwork main bodies, the tightness of the connection between the formwork main bodies is ensured by the cooperation of the insertion plates and the insertion grooves, and the tightness between the formwork main bodies is improved.

[0013] As preferred, the dismounting rods are rotatably connected with the formwork main bodies, one end of the dismounting rod penetrates through the formwork main body, the other end of the dismounting rod is provided with a screwing block, the other end of the dismounting rod is provided with a stud, one end of the positioning rod is provided with a screw hole, and the dismounting rod is threadedly connected with the positioning rod by the cooperation of the stud and the screw hole. The dismounting rods are installed at the four corners of the formwork main body, the dismounting rods are rotatably connected with the formwork main body, the dismounting rods are rotated by the screwing blocks, the positioning rods are connected with the steel bars in the retaining wall in advance, the positioning rods are one-to-one corresponding with the dismounting rods, the studs at the lower ends of the dismounting rods are threadedly matched with the screw holes on the positioning rods, and the dismounting rods are connected with the positioning rods. The connection mode is convenient for dismounting the formwork main body. The dismounting rods are rotated by the screwing blocks, the studs are separated from the screw holes, the positioning rods are separated from the dismounting rods, and the design is convenient for separating the dismounting rods from the positioning rods.

[0014] As preferred, the positioning rod is provided with a wedge at the end far from the dismounting rod, and the wedge is conical. For the gap in the steel bar which is not easy to push in, the wedge is provided at the end of the positioning rod inserted into the retaining wall, and the conical wedge can facilitate the insertion of the positioning rod, and the design facilitates the insertion of the positioning rod.

[0015] As preferred, the positioning rod is provided with a mounting groove, and a scale is mounted in the mounting groove. In order to facilitate the observation of the extension length of the positioning rod, thereby ensuring the thickness between the formwork and the steel bar, the scale is mounted on the positioning rod, and the position of the main body of the formwork is observed through the scale, and the design facilitates the observation of the extension length.

[0016] As preferred, the expansion bolt is threadedly connected with the main body of the formwork, and a protective pad is mounted at the end of the expansion bolt facing the positioning rod. When the main body of the formwork needs to be separated from the retaining wall, the end of the expansion bolt facing the retaining wall is brought into contact with the retaining wall by screwing the expansion bolt, and the expansion bolt is elongated between the main body of the formwork and the retaining wall by continuous screwing, so as to separate the main body of the formwork from the retaining wall, and in order to prevent the expansion bolt from damaging the retaining wall, the protective pad is mounted at the end of the expansion bolt in contact with the retaining wall, and the protective pad is made of plastic, so as to reduce the damage to the retaining wall in the extrusion process, and the design can separate the main body of the formwork from the retaining wall.

[0017] The formwork body can be transported and assembled in batches, the tightness between the main bodies of the formwork can be improved, the dismounting rod and the positioning rod can be separated conveniently, the positioning rod can be inserted conveniently, the extension length can be observed conveniently, and the main body of the formwork can be separated from the retaining wall. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the formwork body of the utility model;

[0019] Figure 2 is Figure 1 a structural schematic view of the formwork body;

[0020] Figure 3 is Figure 1 a structural schematic view of the positioning rod;

[0021] Figure 4 is Figure 1 a structural schematic view of the expansion bolt.

[0022] In the figure: 1, main body of formwork; 2, positioning rod; 3, dismounting rod; 4, expansion bolt; 5, insertion plate; 6, insertion groove; 7, screwing block; 8, stud; 9, screw hole; 10, wedge; 11, mounting groove; 12, scale; 13, protective pad; DETAILED DESCRIPTION

[0023] The utility model is further described below in combination with the drawings and specific embodiments.

[0024] As Figure 1 shown in the embodiment, a formwork for steep section retaining wall construction comprises:

[0025] The formwork body 1 is provided with a plurality of formwork bodies 1, and adjacent two formwork bodies 1 are detachably connected.

[0026] The positioning rod 2 is provided with a plurality of positioning rods 2, and the plurality of positioning rods 2 are uniformly distributed on the formwork body 1.

[0027] The dismounting rod 3 is provided with a plurality of dismounting rods 3, and the plurality of dismounting rods 3 are uniformly distributed on the formwork body 1, the dismounting rod 3 corresponds to the positioning rod 2 one by one, and the dismounting rod 3 and the positioning rod 2 are detachably connected.

[0028] The expansion bolt 4 is installed on the formwork body 1.

[0029] As Figure 2 shown, the formwork body 1 is provided with the plug-in plate 5 on both sides, and the formwork body 1 is provided with the plug-in groove 6 on the other side, the plug-in plate 5 and the plug-in groove 6 are matched, and the adjacent two formwork bodies 1 are detachably connected through the cooperation of the plug-in plate 5 and the plug-in groove 6.

[0030] As Figure 3 shown, the dismounting rod 3 is rotatably connected with the formwork body 1, one end of the dismounting rod 3 penetrates the formwork body 1, the other end of the dismounting rod 3 is provided with the screw block 7, the other end of the dismounting rod 3 is provided with the stud 8, one end of the positioning rod 2 is provided with the screw hole 9, and the dismounting rod 3 is threadedly connected with the positioning rod 2 through the cooperation of the stud 8 and the screw hole 9.

[0031] One end of the positioning rod 2 away from the dismounting rod 3 is provided with the wedge block 10, and the wedge block 10 is conical in shape. The positioning rod 2 is provided with the installation groove 11, and the installation groove 11 is provided with the scale 12. Figure 4 As

[0032] During installation, the positioning rods 2 are arranged on the steel frame in sequence, the distribution distance of the positioning rods 2 corresponds to the dismounting rods 3 of the formwork body one by one, and then the positioning rods 2 are fixed, and the extension length of the positioning rods 2 is observed through the scale 12 on the positioning rods 2.

[0033] After the positioning rod 2 is placed, the template body 1 is corresponded with the positioning rod 2, the screw post 8 is connected with the screw hole 9 of the positioning rod 2 by rotating the screwing block 7, the connected template body 1 is fixed on the steel frame, then the template body 1 is arranged and installed on the positioning rod 2 in sequence, the plug plate 5 of the template body 1 is inserted into the plug groove 6 of the adjacent template body 1, and the template body 1 is connected together. After the template body 1 is installed, the concrete in the steel frame can be poured.

[0034] After the concrete is coagulated, when the template body 1 needs to be disassembled, the screw post 8 is rotated out of the screw hole 9 by rotating the disassembling rod 3 driven by the screwing block 7, the template body 1 can be lifted up by the screw post 8 rotated out of the screw hole 9, and the four corners of the template body 1 are away from the retaining wall. Then the expansion bolt 4 is rotated, the template body 1 is completely lifted up by the contact of the protection pad 13 and the retaining wall, the template body 1 is completely separated from the retaining wall, so that the template body 1 is disassembled.

Claims

1. A formwork for steep section retaining wall construction, characterized in that it comprises: a plurality of formwork bodies (1), adjacent two of which are detachably connected; a plurality of positioning rods (2), which are evenly distributed on the formwork bodies (1); a plurality of dismounting rods (3), which are evenly distributed on the formwork bodies (1), the dismounting rods (3) corresponding to the positioning rods (2) one by one, and the dismounting rods (3) being detachably connected with the positioning rods (2); and expansion bolts (4) installed on the formwork bodies (1). Adjacent two side edges of the formwork bodies (1) are each provided with an insertion plate (5), and the other adjacent side edge of the formwork bodies (1) is provided with an insertion slot (6), the insertion plate (5) and the insertion slot (6) being matched, and the adjacent two formwork bodies (1) being detachably connected through the cooperation of the insertion plate (5) and the insertion slot (6). The dismounting rods (3) are rotationally connected with the formwork bodies (1), one end of the dismounting rods (3) penetrating the formwork bodies (1), the other end of the dismounting rods (3) being provided with a rotating block (7), the other end of the dismounting rods (3) being provided with a stud (8), one end of the positioning rods (2) being provided with a screw hole (9), and the dismounting rods (3) being threadedly connected with the positioning rods (2) through the cooperation of the stud (8) and the screw hole (9). One end of the positioning rods (2) away from the dismounting rods (3) is provided with a wedge block (10), the wedge block (10) being conical in shape. The positioning rods (2) are provided with mounting grooves (11), and the mounting grooves (11) are provided with scales (12).

2. The form for steep grade retaining wall construction according to claim 1, wherein The expansion bolts (4) are threadedly connected with the formwork bodies (1), and one end of the expansion bolts (4) facing the positioning rods (2) is provided with a protective pad (13).

3. The form for steep grade retaining wall construction according to claim 1, wherein ​ 4. The form for steep grade retaining wall construction according to claim 3, wherein ​ 5. The form for steep grade retaining wall construction according to claim 3, wherein ​ 6. The form for steep grade retaining wall construction according to claim 3, wherein ​

Citation Information

Patent Citations

  • Supporting system of retaining wall formwork

    CN217734095U