Water stabilization layer side formwork erecting construction device

Abstract

The utility model relates to the technical field of road engineering, in particular to a cement-stabilized layer side vertical formwork construction device which is arranged on two sides of a roadbed and comprises a vertical formwork, a through hole is formed in the vertical formwork, a pull rod which is inclined downwards is arranged in the through hole in a penetrating mode, and the top end of the pull rod is fixed on the vertical formwork through a nut. The bottom end of the pull rod is fixedly connected with a pull ring and is fixed on a roadbed through a positioning nail. In the paving or rolling process of the water stable layer, paving materials make contact with the standing formwork to generate side pressure, the side pressure is transmitted into the roadbed through the pull rods to be counteracted, a stable formwork erecting system is formed, the standing formwork is not prone to toppling, and the construction effect is good; after construction is completed, the nut and the vertical formwork are loosened without dismounting the pull rod, construction is convenient, and the procedure is simple; the device is wide in application range, continuous in process and safe and reliable in construction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of road construction technology especially to a water stable layer side formwork construction device. BACKGROUND

[0002] When water stable layer material is spread on the road bed, formworks are set on both sides to prevent material scattering and shaping. The common water stable layer formwork construction method includes: 1. Installing channel steel on both sides of the road bed water stable layer, and setting reinforcing bars at a certain distance inside and outside the channel steel for fixation; 2. Directly installing kerb stones on both sides, using the kerb stones as side formworks, and fixing the outside.

[0003] The above methods have limitations: for method 1, the fixation is not firm, the stability is poor, the formwork is prone to falling during the rolling of the water stable layer, the quality is difficult to guarantee, and the construction effect is poor; for method 2, the labor hours are high, the installation speed is slow, the cost is high, the process is complex, and the scope of application is narrow. UTILITY MODEL CONTENTS

[0004] To solve the problems in the prior art, the utility model provides a water stable layer side formwork construction device.

[0005] The water stable layer side formwork construction device provided by the utility model adopts the following technical scheme:

[0006] A water stable layer side formwork construction device is arranged on both sides of the road bed, which comprises a formwork, a perforation is formed in the formwork, a downwardly inclined pull rod is arranged in the perforation, the top end of the pull rod is fixed to the formwork through a nut, and the bottom end of the pull rod is fixed to the road bed through a pull ring and a positioning nail.

[0007] During the spreading or rolling of the water stable layer, the spreading material contacts the formwork to generate side pressure, which is transmitted to the road bed through the pull rod to offset, forming a stable formwork system, so that the formwork is not prone to falling, the construction effect is good, the nut and the formwork can be loosened after the construction is completed, the pull rod does not need to be removed, the construction is convenient, the process is simple, the device has a wide range of applications, the process is continuous, and the construction is safe and reliable.

[0008] Optionally, the formwork is channel steel, the slot of the channel steel faces away from the center of the road bed, the wing plate of the channel steel contacts the top surface of the road bed, and the perforation is formed in the web of the channel steel.

[0009] The channel steel is convenient to obtain, stable in performance, and easy to process and install.

[0010] Optionally, the nut is a butterfly nut.

[0011] The above technical scheme facilitates screwing operation.

[0012] Optionally, the pull rod is a steel bar or a steel wire.

[0013] By adopting the above technical scheme, the pull rod is convenient to make.

[0014] Optionally, the perforations include a plurality of upper perforations in the upper row and a plurality of lower perforations in the lower row, and the pull rod includes an upper pull rod penetrating the upper perforations and a lower pull rod penetrating the lower perforations.

[0015] By adopting the above technical scheme, a plurality of rows of perforations and pull rods can be selected and arranged according to the height and stress of the water stable layer.

[0016] In summary, the utility model has at least one of the following beneficial technical effects:

[0017] During the paving or rolling of the water stable layer, the paving material contacts the formwork to generate a lateral pressure, the lateral pressure is transmitted to the roadbed through the pull rod to offset, a stable formwork system is formed, the formwork is not easy to fall down, and the construction effect is good.

[0018] After the construction is completed, the nuts and the formwork can be loosened, the pull rod does not need to be removed, the construction is convenient, and the process is simple.

[0019] The device has a wide application range, continuous process, and safe and reliable construction. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of a water stable layer side formwork construction device according to an embodiment of the utility model.

[0021] Figure 2 is a structural schematic view of a formwork according to an embodiment of the utility model.

[0022] Marked with 1, the roadbed; 2, the formwork; 20, the perforation; 200, the upper perforation; 201, the lower perforation; 3, the pull rod; 30, the upper pull rod; 31, the lower pull rod; 4, the pull ring; 5, the positioning nail; 6, the nut. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings Figure 1 - the drawings Figure 2 The utility model will be further described in detail.

[0024] An embodiment of the utility model discloses a water stable layer side formwork construction device. Referring to Figure 1 , the roadbed is formed by reciprocating rolling and finally layer-by-layer rolling, the water stable layer side formwork construction device is installed on the roadbed 1, and the device comprises a formwork 2, a pull rod 3, a pull ring 4, a positioning nail 5 and a nut 6.

[0025] Referring to Figure 1 and Figure 2, the stand 2 is placed on both sides of the roadbed 1 along the length direction of the roadbed 1, the slot of the stand 2 faces the side away from the center of the roadbed 1, and the wing plate of the stand 2 is in contact with the roadbed 1. A plurality of perforations 20 are formed in the stand 2, the perforations 20 include a plurality of upper perforations 200 in the upper row and a plurality of lower perforations 201 in the lower row, and the number of rows of the perforations 20 is selected according to the height and stress of the water stable layer.

[0026] With reference to Figure 1 and Figure 2 , the pull rod 3 is obliquely arranged, the top end of the pull rod 3 is arranged in the perforation 20, the bottom end of the pull rod 3 is fixedly connected with the pull ring 4, the pull ring 4 is fixed on the roadbed 1 through the positioning nail 5, and the top end of the pull rod 3 is fixed on the stand 2 through the nut 6. The pull rod 3 in the embodiment includes an upper pull rod 30 and a lower pull rod 31, the bottom ends of the upper pull rod 30 and the lower pull rod 31 are fixedly connected with one pull ring 4, the pull rod 3 can be selected from a reinforcing steel bar or a steel wire according to requirements, and the nut 6 in the embodiment is a butterfly nut, so that operation is facilitated.

[0027] The implementation principle of the water stable layer side stand construction device is as follows: according to the design thickness of the water stable layer, a channel steel with a matched abdominal height is selected as the stand 2, and the upper perforation 200 and the lower perforation 201 are formed in the web plate of the stand 2. The top end of the upper pull rod 30 is arranged in the upper perforation 200 and fixed through the nut 6, and the bottom end of the upper pull rod 30 is welded with the pull ring 4. The top end of the lower pull rod 31 is arranged in the lower perforation 201 and fixed through the nut 6, and the bottom end of the lower pull rod 31 is welded with the pull ring 4. The positioning nail 5 is used to fix the pull ring 4 on the roadbed 1.

[0028] During the paving or rolling process of the water stable layer, the paving material is in contact with the stand 2 to generate side pressure, the side pressure is transmitted to the roadbed 1 through the pull rod 3 to offset, a stable formwork system is formed, the stand 2 is not easy to fall down, and the construction effect is good; after the construction is completed, the nut 6 and the stand 2 can be loosened, the pull rod 3 does not need to be removed, the construction is convenient, and the process is simple; the device has a wide application range, continuous process, and safe and reliable construction.

[0029] The above are preferable embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A water-stable side form construction device, arranged on both sides of a roadbed (1), characterized in that: The mould (2) is provided with a through hole (20), and a pull rod (3) is arranged in the through hole (20) and is inclined downward, the top end of the pull rod (3) is fixed on the mould (2) through a nut (6), and the bottom end of the pull rod (3) is fixedly connected with a pull ring (4) and is fixed on the roadbed (1) through a positioning nail (5).

2. The water stable layer side form construction apparatus according to claim 1, wherein: The mould (2) is a channel steel, the slot of the channel steel faces away from the center of the roadbed (1), the wing plate of the channel steel is in contact with the top surface of the roadbed (1), and the through hole (20) is arranged on the web of the channel steel.

3. The water stable layer side form construction apparatus according to claim 1, wherein: The nut (6) is a butterfly nut.

4. The water stable layer side form construction apparatus according to claim 1, wherein: The pull rod (3) is a reinforcing steel bar or a steel wire.

5. The water stable layer side form construction apparatus according to any one of claims 1 to 4, characterized by: The through hole (20) comprises a plurality of upper through holes (200) in the upper row and a plurality of lower through holes (201) in the lower row, and the pull rod (3) comprises an upper pull rod (30) arranged in the upper through hole (200) and a lower pull rod (31) arranged in the lower through hole (201).

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