Adjustable clamp convenient for reinforcing concrete drainage ditch template

Abstract

The utility model provides an adjustable clamp convenient for reinforcing a concrete drainage ditch template, which comprises round steel and fastening clamps, each fastening clamp consists of a sleeve and a positioning rod piece, the upper end of each positioning rod piece is vertically fixed on the outer wall of the corresponding sleeve, the four fastening clamps are sleeved on the round steel through the sleeves, fastening bolts are screwed on the sleeves, and the fastening bolts are screwed on the sleeves. The sleeves are fixedly locked to the set positions of the round steel through fastening bolts, the two opposite sides of the side wall of the precast reinforced concrete drainage ditch are each provided with a set of formworks in an attached mode, four sets of formworks are correspondingly arranged on the side walls of the two sides, and reinforcing reserved holes are correspondingly formed in the upper ends of the four sets of formworks. The positioning rod pieces of the four fastening clamps on the round steel extend into the reinforcing reserved holes in the upper ends of the four sets of formworks correspondingly so that the formworks can be reinforced. The problems that the reinforcing tightness degree of a traditional concrete drainage ditch is difficult to control, quality defects are prone to occurring due to uneven formwork stress, and the material loss rate is high are solved. Belongs to the civil engineering field.

Description

Technical Field

[0001] This utility model relates to an adjustable clamp for facilitating the reinforcement of concrete drainage ditch formwork, and belongs to the field of civil engineering. Background Technology

[0002] In recent years, with the development of society, in order to improve the design quality and enrich the design elements and creativity, the design of concrete drainage ditches in the construction industry has become more and more common, with diverse and creative shapes. However, due to the complexity of the design, the traditional method mainly uses step-by-step tight clamps, wire fastening and square timber to reinforce the formwork. There are certain problems: (1) The tightness of the step-by-step tight clamps depends entirely on the experience of the operators to carry out the reinforcement operation, and the tightness cannot be consistent, which can easily cause the formwork to be squeezed and deformed, and the concrete to bulge. (2) The square timber used is not evenly fixed and has low strength. When the concrete is poured, the formwork will be subjected to uneven stress due to the construction vibration load and the side pressure of the material itself, which can easily cause overall deformation, large deviation of concrete cross-sectional dimensions, and uneven texture of concrete surface. (3) The turnover rate of step-by-step tight clamps, square timber and other turnover materials is high and the turnover rate is low, which increases the construction cost. Summary of the Invention

[0003] This utility model provides an adjustable clamp for reinforcing concrete drainage ditch formwork, which solves the problems of difficulty in controlling the tightness of traditional concrete drainage ditch reinforcement, uneven stress on the formwork leading to quality defects, and high material loss rate.

[0004] To address the aforementioned issues, an adjustable clamp designed for reinforcing concrete drainage ditch formwork is proposed. This clamp comprises round steel and fastening clips. Each fastening clip consists of a sleeve and positioning rods. The upper end of the positioning rods is vertically fixed to the outer wall of the sleeve. Four fastening clips are fitted onto the round steel through the sleeves. Fastening bolts are screwed onto the sleeves, locking them securely to the set position on the round steel. A set of formwork is fitted onto each opposite side of the pre-cast reinforced concrete drainage ditch sidewall, resulting in four sets of formwork on each side. Each of the four sets of formwork has a corresponding reinforcement pre-drilled hole at its upper end. The positioning rods of the four fastening clips on the round steel extend into the reinforcement pre-drilled holes at the upper ends of the four sets of formwork to reinforce the formwork.

[0005] In the aforementioned adjustable clamps, the reinforcement reserved holes on the template are all distributed along the length direction of the template, and the adjustable clamps are distributed along the length direction of the template, and the template is reinforced by the positioning rods extending into the reinforcement reserved holes;

[0006] In the aforementioned adjustable clamp, bolt locking holes are distributed along the length direction on the round steel, and threaded holes are vertically opened on the side wall of the sleeve. The fastening bolts are threaded into the threaded holes and screwed into the bolt locking holes to achieve the positioning of the sleeve on the round steel.

[0007] In the aforementioned adjustable clamp, the round steel is HPB300φ20 solid round steel, the sleeve is φ22 steel sleeve, and the fastening bolt is M14 high-strength bolt;

[0008] In the aforementioned adjustable clamp, the template is an ABS resin template.

[0009] Compared with existing technologies, this utility model achieves precise locking of the bottom template reinforcement dimensions through fastening bolts, ensuring that the arc-shaped thin-walled concrete structure meets design dimensional requirements. Mass production of these clamps, coupled with ABS resin templates, enables rapid and efficient assembly line operations, improving construction efficiency and fulfilling the above requirements. This ensures precise reinforcement dimensions for arc-shaped and thin-walled concrete structure template projects, quick and easy installation and dismantling, reliable concrete pouring quality, improved template material turnover efficiency, reduced construction costs, and increased overall construction efficiency. Its social and economic benefits are significant, possessing important guiding significance and promotional value, and it is suitable for widespread application. Attached Figure Description

[0010] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0011] Figure 2 This is a schematic diagram of the template structure;

[0012] Figure 3 This is a schematic diagram of the fastening clamp. Detailed Implementation

[0013] To make the objectives, technical solutions and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not intended to limit the present utility model.

[0014] Example

[0015] See attached document Figures 1 to 3This embodiment improves the reinforcement of concrete drainage ditch formwork by proposing an adjustable clamp for easy reinforcement of concrete drainage ditch formwork. The clamp includes a round steel bar 1 and fastening clamps 2. The fastening clamps 2 consist of a sleeve 21 and a positioning rod 22. The upper end of the positioning rod 22 is vertically fixed to the outer wall of the sleeve 21. Four fastening clamps 2 are sleeved on the round steel bar 1 through the sleeve 21. Fastening bolts 23 are screwed on the sleeve 21 and the sleeve 21 is locked and fixed to the set position on the round steel bar 1 by the fastening bolts 23. A set of formwork 4 is respectively attached to the opposite sides of the side wall 3 of the pre-cast reinforced concrete drainage ditch. A total of four sets of formwork 4 are set on the side walls 3. The upper end of each of the four sets of formwork 4 is provided with a reinforcement reserved hole 41. The positioning rods 22 of the four fastening clamps 2 on the round steel bar 1 extend into the reinforcement reserved holes 41 at the upper end of the four sets of formwork 4 to achieve reinforcement of the formwork 4.

[0016] The reinforcement reserved holes 41 on the template 4 are all distributed along the length direction of the template 4. The adjustable clamps are distributed along the length direction of the template 4 and the template 4 is reinforced by the positioning rod 22 extending into the reinforcement reserved holes 41. The round steel 1 is provided with bolt locking holes 11 distributed along the length direction to adjust the positioning position of the fastening clamp 2 on the round steel 1. The sleeve 21 is provided with a threaded hole vertically on the side wall. The fastening bolt 23 is threaded into the threaded hole and screwed into the bolt locking hole 11 to realize the positioning of the sleeve 21 on the round steel 1.

[0017] Specifically, according to the design drawings, a solid round steel 1 with HPB300 φ20 material and a length of 1200mm is used. The fastening clamp 2 uses a steel sleeve with an inner hole of φ22 as a sleeve 21, which is fitted onto the φ20 round steel 1. The fastening clamp 2 can slide freely on the round steel 1. The steel sleeve of the fastening clamp 2 is equipped with a fastening bolt 23. The bolt rod is an M14 high-strength bolt. The template 4 is an ABS resin template.

[0018] Specific operational points

[0019] (1) Material selection

[0020] When selecting materials, it is necessary to consider whether the materials meet the project requirements and objectives, and also to ensure that the materials are easy to procure and obtain. Therefore, this patent for an adjustable clamp for reinforcing concrete drainage ditch formwork selects φ20 round steel rods commonly found on construction sites as the main material for the reinforcement, and φ22 steel sleeves and 5.8 grade M14 high-strength bolts as auxiliary materials. After the materials are selected, a second inspection is required. If twisting, deformation, or uneven bolt lengths are found, materials that do not meet the requirements must be discarded in advance. After confirming that the selected materials meet the requirements, the adjustable clamp is then manufactured.

[0021] (2) Sleeve connection

[0022] Based on the dimensions required in the design drawings, HPB300 grade, φ20 round steel rods with a fixed length of 1200mm were selected. The rods underwent rust prevention treatment, and any bending or deformation was promptly corrected. Q235 grade hexagonal sleeves with a wall thickness of 5mm and an internal diameter of φ22 were selected. A 14mm diameter internal thread was tapped into the sleeves, and an M14 high-strength screw was screwed into the hole. Four sleeves were fitted to each φ20 round steel rod.

[0023] (3) Overall connection

[0024] Measure and lay out the edge line of the concrete ditch, install positioning steel bars along the edge line of the concrete structure, initially position the finished ABS resin template (template 4) on the positioning edge line, and fix the bottom outer side of the ABS template with positioning bars. Then, adjust the sleeve 21 on the round steel rod according to the design requirements. Weld a 150mm long HRB400 grade φ20 threaded steel bar to the bottom of the sleeve 21. When in use, insert the clamp at the bottom of the sleeve 21 into the reinforcement reserved hole 41 of the ABS resin template, and tighten the high-strength bolt to achieve the template reinforcement effect. After verifying that the size of the first adjustable clamp meets the requirements, adjust the screws on the sleeve 21 for fixation. Repeat the above steps. After all the templates are reinforced, the next construction process can be carried out.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable clamp for facilitating the reinforcement of concrete drainage ditch formwork, characterized in that: Includes round steel (1) and fastening clamps (2). The fastening clamps (2) consist of a sleeve (21) and a positioning rod (22). The upper end of the positioning rod (22) is vertically fixed to the outer wall of the sleeve (21). Four fastening clamps (2) are sleeved on the round steel (1) through the sleeve (21). Fastening bolts (23) are screwed on the sleeve (21), and the sleeve (21) is locked and fixed to the set position on the round steel (1) by the fastening bolts (23). A set of templates (4) is attached to the opposite sides of the side wall (3) of the precast reinforced concrete drainage ditch. A total of four sets of templates (4) are set on the side walls (3) of both sides. The upper ends of the four sets of templates (4) are provided with reinforcement reserved holes (41). The positioning rods (22) of the four fastening clamps (2) on the round steel (1) are inserted into the reinforcement reserved holes (41) at the upper ends of the four sets of templates (4) to reinforce the templates (4).

2. The adjustable clamp for reinforcing concrete drainage ditch formwork according to claim 1, characterized in that: The reinforcement reserved holes (41) on the template (4) are all distributed along the length direction of the template (4). The adjustable clamps are distributed along the length direction of the template (4) and the template (4) is reinforced by extending the positioning rod (22) into the reinforcement reserved holes (41).

3. The adjustable clamp for reinforcing concrete drainage ditch formwork according to claim 1, characterized in that: Bolt locking holes (11) are distributed along the length direction on the round steel (1), and threaded holes are vertically opened on the side wall of the sleeve (21). The fastening bolt (23) is threaded into the threaded hole and screwed into the bolt locking hole (11) to realize the positioning of the sleeve (21) on the round steel (1).

4. The adjustable clamp for reinforcing concrete drainage ditch formwork according to claim 1, characterized in that: The round steel (1) is HPB300φ20 solid round steel, the sleeve (21) is φ22 steel sleeve, and the fastening bolt (23) is M14 high-strength bolt.

5. The adjustable clamp for reinforcing concrete drainage ditch formwork according to claim 1, characterized in that: Template (4) is an ABS resin template.

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