Positioning frame for accurately controlling anchoring angle and spacing of bridge pile foundation pile head steel bars

By designing a positioning frame consisting of upper and lower steel bar circles and connecting them with isosceles triangle steel bar support bars and connecting bars, precise positioning of the angle and spacing of the pile head steel bars is achieved, solving the problems of inaccurate steel bar angles and uneven spacing, and improving construction efficiency and quality.

CN223446651UActive Publication Date: 2025-10-17THE THIRD ENG OF CHINA RAILWAY 12TH BUREAU GROUP +1
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Patent Information

Application Number
CN202422196889.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-10-17
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

In the prior art, the anchoring angle of the steel bars at the pile head of the pile foundation is inaccurate and the spacing between the steel bars is uneven, which makes it difficult to ensure the construction quality and makes adjustments time-consuming and labor-intensive.

Method used

A positioning frame including upper and lower steel bar circles is designed, which is connected by isosceles triangle steel bar support bars and connecting bars, combined with pile head steel bar slots to achieve precise positioning of steel bar angles and spacings, and uses reusable steel bar materials.

Benefits of technology

It improves the accuracy and efficiency of pile head reinforcement construction, reduces labor costs, shortens construction time, and ensures construction quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bridge pile foundation pile head reinforcing steel bar positioning frame capable of accurately controlling anchoring angle and spacing, which comprises an upper reinforcing steel bar circle and a lower reinforcing steel bar circle which are coaxially arranged, the diameter of the upper reinforcing steel bar circle is larger than that of the lower reinforcing steel bar circle, and the two reinforcing steel bar circles are provided with reinforcing steel bar supporting ribs internally connected with isosceles triangles. A circle between the two reinforcing steel bar rings is connected through a plurality of upper and lower reinforcing steel bar ring connecting ribs, pile head reinforcing steel bar clamping grooves are formed in the circle between the two reinforcing steel bar rings towards the outer side, and the pile head reinforcing steel bar clamping grooves are welded to the rings through short reinforcing steel bars. The device is used in pile head steel bar construction, solves the problems of inaccurate steel bar angle positioning, non-uniform steel bar spacing, high labor cost consumed by adjustment and the like, is convenient for controlling the angle and spacing of the pile head steel bars, is convenient to manufacture, is small in material consumption, is basically made of steel bar waste materials, is quick and convenient to use, accelerates the construction progress of the pile head steel bars, and improves the construction efficiency of the pile head steel bars. And the steel bar construction quality is well controlled, and the popularization value is extremely wide.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bridge pile foundation pile head reinforcement construction, and particularly relates to a positioning frame for accurately controlling anchoring angles and intervals of bridge pile foundation pile head reinforcement. BACKGROUND

[0002] At present, China is in a period of rapid construction of traffic infrastructure, and bridges, as important structures for crossing valleys and roads, are frequently used by designers. As an important part of bridges, pile foundations completely support the superstructure of bridges and vehicles, and their construction quality is increasingly valued by engineers. For example, the accurate positioning of anchoring angles and intervals of pile foundation pile head reinforcement is generally controlled by manual work and a steel ruler. Since the reinforcement has the characteristics of high strength and good toughness, it is difficult for manual work to adjust the angle and interval of the reinforcement to the design value, and it is time-consuming and laborious, which is an important reason affecting the construction quality of pile foundations. UTILITY MODEL CONTENTS

[0003] The utility model provides a positioning frame for accurately controlling anchoring angles and intervals of bridge pile foundation pile head reinforcement, which is convenient to transfer and can be recycled.

[0004] The utility model is implemented by the following technical scheme: a positioning frame for accurately controlling anchoring angles and intervals of bridge pile foundation pile head reinforcement, comprising coaxially arranged upper and lower reinforcement circles, wherein the diameter of the upper reinforcement circle is larger than that of the lower reinforcement circle, two reinforcement circles are provided with reinforcement support bars in the shape of an inscribed isosceles triangle, a plurality of upper and lower reinforcement circle connecting bars are arranged between the two reinforcement circles, pile head reinforcement clamping grooves are arranged on the outer side of the two reinforcement circles, and the pile head reinforcement clamping grooves are welded on the circular rings of the reinforcement circles by short reinforcement bars.

[0005] Further, the reinforcement support bars are equilateral triangles.

[0006] Further, the two reinforcement circles and the upper and lower reinforcement circle connecting bars are made of Ø20 reinforcement bars.

[0007] Further, the upper and lower reinforcement circle connecting bars are evenly arranged with seven reinforcement bars.

[0008] The positioning frame is convenient to move, can be used in rotation, can quickly adjust the anchoring angle and spacing of pile head steel bars to design values, is used in pile head steel bar construction, solves problems of inaccurate steel bar angle positioning, uneven steel bar spacing, large adjustment labor cost and the like, is convenient for controlling the angle and spacing of pile head steel bars, is convenient to manufacture, small in material consumption, basically uses steel bar waste materials, is quick and convenient to use, speeds up the construction progress of pile head steel bars, well controls the construction quality of steel bars, and has extremely wide popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] In the drawing: 1, upper steel bar circle; 2, lower steel bar circle; 3, upper and lower steel bar circle connecting rib; 4, upper pile head steel bar clamping groove; 5, lower pile head steel bar clamping groove; 6, steel bar supporting rib. DETAILED DESCRIPTION

[0011] In order to better understand the purpose, structure and function of the utility model, in the following, the positioning frame for accurately controlling anchoring angle and spacing of pile head steel bars of bridge pile foundation of the utility model is further described in detail in combination with the drawings.

[0012] As Figure 1 shown, the positioning frame for accurately controlling anchoring angle and spacing of pile head steel bars of bridge pile foundation, comprising coaxially arranged upper steel bar circle 1 and lower steel bar circle 2, the diameter of the upper steel bar circle 1 is greater than the diameter of the lower steel bar circle 2, the diameter of the steel bar circle is determined according to the angle of the pile head steel bar, two steel bar circles are provided with steel bar supporting rib 6 of an inscribed isosceles triangle, a plurality of upper and lower steel bar circle connecting ribs 3 are connected between the two steel bar circles, pile head steel bar clamping grooves are arranged on the outer side of the two steel bar circles, and the pile head steel bar clamping grooves are welded on the circular ring of the steel bar circle by short steel bars.

[0013] In the embodiment, the positioning frame is made by bending and welding of steel bars, the two steel bar circles are made of Ø20 steel bars, the diameter of the steel bar circle is determined according to design, the steel bar supporting rib 6 of an isosceles triangle is welded in the steel bar circle to prevent deformation of the steel bar circle, seven upper and lower steel bar circle connecting ribs 3 made of 1.2-meter-long Ø20 steel bars are uniformly welded between the steel bar circles, the upper steel bar circle 1 and the lower steel bar circle 2 are respectively welded with the upper pile head steel bar clamping groove 4 and the lower pile head steel bar clamping groove 5, and the spacing and number of the pile head steel bar clamping grooves are determined according to design drawings.

[0014] After the pile head is broken, the pile head steel bars are straightened and pushed outwards, the positioning frame is placed in the pile head steel bars, the pile head steel bars are placed in the pile head steel bar clamping grooves of the upper and lower rings one by one by workers, the pile head steel bars and the steel bar rings are firmly bound with iron wires, the iron wires are removed after the pile head stirrup construction is completed, the positioning frame is removed, and the next pile head steel bar construction is carried out.

[0015] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, these features and embodiments can be modified to adapt to specific conditions and materials under the guidance of the utility model without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A positioning frame for accurately controlling the anchoring angle and spacing of the steel bars at the top of a bridge pile foundation, characterized in that: The invention comprises an upper steel bar circle (1) and a lower steel bar circle (2) arranged coaxially, wherein the diameter of the upper steel bar circle (1) is larger than that of the lower steel bar circle (2), and the two steel bar circles are provided with steel bar support bars (6) inscribed in an isosceles triangle, and the two steel bar circles are connected by a plurality of upper and lower steel bar circle connecting bars (3) around the two steel bar circles, and pile head steel bar slots are provided around the two steel bar circles toward the outside, and the pile head steel bar slots are welded to the circular ring of the steel bar circles by short steel bars.

2. The positioning frame for accurately controlling the anchoring angle and spacing of the bridge pile foundation reinforcement according to claim 1 is characterized in that: The steel support bar (6) is an equilateral triangle.

3. The positioning frame for accurately controlling the anchoring angle and spacing of the bridge pile foundation reinforcement according to claim 1 is characterized in that: The two steel bar circles and the connecting bars (3) between the upper and lower steel bar circles are made of Ø20 steel bars.

4. The positioning frame for accurately controlling the anchoring angle and spacing of the bridge pile foundation reinforcement according to claim 3 is characterized in that: Seven connecting bars (3) are evenly distributed between the upper and lower steel bar circles.