CN215903726U

CN215903726U - Positioning jig frame for binding T-beam web plate reinforcement cage

Info

Publication number: CN215903726U
Application number: CN202122362085.6U
Authority: CN
Inventors: 王阳松; 郑飞; 徐建; 许崇利; 王珏云; 李海涛
Original assignee: ZHEJIANG QUZHOU TRANSPORT CONSTRUCTION GROUP CO LTD
Current assignee: ZHEJIANG QUZHOU TRANSPORT CONSTRUCTION GROUP CO LTD
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-25
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to a positioning jig frame for binding a T-beam web plate reinforcement cage, which comprises a channel steel and a plurality of stand columns, wherein the channel steel and the stand columns are pre-embedded on a concrete floor; the comb is characterized by also comprising a middle comb plate and an upper comb plate which are parallel to the lower comb plate, wherein the middle comb plate and the upper comb plate are connected with each upright column and are positioned on the upright columns; all be equipped with positioning grid on the every stand, positioning grid is located between middle part comb board and the upper portion comb board, and positioning grid includes a plurality of location sticks that are parallel to each other, and the location stick is connected on the stand along stand direction of height equidistance to because the high technical problem that leads to the construction degree of difficulty big of steel bar location requirement during the construction of T web steel reinforcement skeleton among the solution prior art.

Description

Positioning jig frame for binding T-beam web plate reinforcement cage

Technical Field

The utility model relates to the technical field of bridge prefabrication construction, in particular to a positioning jig frame for binding a steel reinforcement framework of a T-shaped beam web.

Background

With the continuous development of social economy, the bridge engineering construction is rapidly developed, and the technological level and the construction process of the bridge engineering are continuously advanced and innovated. The prefabricated T-shaped beam for the highway bridge consists of a web plate and a top plate, is widely applied to the highway bridge due to the advantages of large bearing capacity, light dead weight, good durability and the like, but has a more complex structure and high construction process quality requirement. The T-beam web is of a variable cross-section structure from top to bottom and from two ends to the middle, and the middle section of the T-beam is taken as an example: the lower section of the web plate is of a horseshoe-shaped structure, and the upper section of the web plate is of a rectangular structure. A plurality of bundles of corrugated pipes are arranged in a T-shaped beam web plate and the requirement of the thickness of a concrete protective layer between the outer side of T-shaped beam concrete and the outermost layer of a steel reinforcement framework is met. And (3) binding a steel reinforcement framework of the T-shaped beam web plate into a steel reinforcement cage on a specially-made positioning jig frame on the ground, then hoisting the steel reinforcement cage to a beam plate prefabricating pedestal, pouring concrete into the beam plate prefabricating pedestal for forming, performing processes such as prestressed steel strand tensioning, grouting, anchor sealing and the like after curing, and hoisting the steel reinforcement cage out of a pit for installation and use. Because the cross section of the T-shaped beam web is narrow, the number of the reinforcing steel bars is large, the density is high, the requirement on the positioning of the reinforcing steel bars is high, and the construction difficulty is high.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide the positioning jig frame for binding the reinforcement framework of the T-shaped beam web, which has accurate positioning of the reinforcement and is convenient for construction.

In order to solve the technical problem, the utility model provides a positioning jig frame for binding a steel reinforcement framework of a T-shaped beam web, which comprises a channel steel and a plurality of stand columns, wherein the channel steel and the stand columns are pre-embedded on a concrete terrace; the positioning jig frame also comprises a middle comb plate and an upper comb plate which are parallel to the lower comb plate, the middle comb plate is connected with all the stand columns and is positioned on the stand columns, and a plurality of second notches are formed in the middle comb plate at equal intervals along the length direction of the middle comb plate; the upper comb plate is connected with all the stand columns and is positioned at the tops of the stand columns, a plurality of third notches are equidistantly arranged on the upper comb plate along the length direction of the upper comb plate, the second notches and the third notches respectively penetrate through the middle comb plate and the upper comb plate along the vertical direction, and each second notch is respectively superposed with the projection of one third notch in the vertical direction; every stand all is equipped with positioning grid on, and positioning grid is located between middle part comb board and the upper portion comb board, and positioning grid includes a plurality of location sticks that are parallel to each other, and the location stick is connected on the stand along stand direction of height equidistance.

After the structure is adopted, the positioning jig frame for binding the T-shaped beam web plate reinforcement cage has the following advantages: horizontal reinforcing steel bars are inserted into the first notch, vertical reinforcing steel bar hoops are inserted into the second notch and the third notch, horizontal longitudinal reinforcing steel bars are placed on the positioning rods of the positioning grids, and the three reinforcing steel bars are bundled to form a reinforcing steel bar cage.

As an improvement, the channel steel and the lower comb plate are both arranged in parallel, and the two lower comb plates are respectively arranged at the outer sides of the two channel steels; by adopting the structure, the stability of the whole structure is improved, and the positioning accuracy of the horizontal transverse steel bar is improved.

As an improvement, the first notch is rectangular, the opening width can accommodate one or two steel bars, and the depth of the first notch is larger than the diameter of the steel bar; adopt this kind of structure, prevent that the reinforcing bar from deviating from when preparation steel reinforcement cage.

As an improvement, the second notch and the third notch are U-shaped, the opening widths of the second notch and the third notch can accommodate one or two steel bars, and the opening widths of the second notch and the third notch are the same; adopt this kind of structure for the bar hoop is more stable in second notch and third notch, prevents that the bar hoop from deviating from.

As an improvement, the positioning grid also comprises a first steel plate, one end of each positioning rod is connected with the first steel plate, the positioning rods are arranged at equal intervals along the length direction of the first steel plate, a base is arranged on each upright post, and the positioning rods are inserted into the base from the direction far away from the channel steel; by adopting the structure, the positioning rod can be more conveniently and quickly disassembled and assembled through the first steel plate.

As an improvement, the positioning grid also comprises a second steel plate, each positioning rod is connected with the second steel plate, and the second steel plate and the first steel plate are arranged in parallel and are positioned at the same end of the positioning rod; by adopting the structure, the second steel plate enables the positioning grid structure to be more stable, and the distance between the positioning rods is more accurate.

As an improvement, a cross beam is connected between the upright post and the channel steel, and the channel steel is arranged on the cross beam; by adopting the structure, the stability of the whole structure of the utility model is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of a portion B in fig. 1.

Reference numerals: 1. channel steel; 2. a column; 3. a lower comb plate; 300. a first notch; 4. a middle comb plate; 400. a second notch; 5. an upper comb plate; 500. a third notch; 6. positioning a grid; 61. a positioning rod; 62. a first steel plate; 63. a second steel plate; 7. a base; 8. a cross member.

Detailed Description

The following describes in detail a positioning jig for binding a steel reinforcement framework of a T-beam web plate according to the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, the positioning jig frame for binding the steel reinforcement framework of the T-beam web comprises a channel steel 1 pre-embedded on a concrete floor and a plurality of stand columns 2, wherein the stand columns 2 are equidistantly arranged beside the channel steel 1 along the length direction of the channel steel 1, a cross beam 8 is connected between the stand columns 2 and the channel steel 1, and the channel steel 1 is arranged on the cross beam 8; a lower comb plate 3 is arranged on one side of the channel steel 1 along the length direction of the channel steel, the channel steel 1 and the lower comb plate 3 are arranged in parallel, and the two lower comb plates 3 are respectively arranged on the outer sides of the two channel steels 1; a plurality of first notches 300 are equidistantly arranged on each lower comb plate 3 along the length direction of the lower comb plate, and the first notches 300 penetrate through the lower comb plate 3 along the horizontal direction; the first notch 300 is rectangular and has an opening width capable of accommodating one or two steel bars, and the depth of the first notch 300 is greater than the diameter of the steel bar; the positioning jig frame further comprises a middle comb plate 4 and an upper comb plate 5 which are parallel to the lower comb plate 3, the middle comb plate 4 is connected with all the upright posts 2 and is positioned on the upright posts 2, and a plurality of second notches 400 are formed in the middle comb plate 4 at equal intervals along the length direction of the middle comb plate; the upper comb plate 5 is connected with all the upright posts 2 and is positioned at the tops of the upright posts 2, a plurality of third notches 500 are equidistantly arranged on the upper comb plate 5 along the length direction of the upper comb plate, the second notches 400 and the third notches 500 respectively penetrate through the middle comb plate 4 and the upper comb plate 5 along the vertical direction, and the projection of each second notch 400 and one third notch 500 in the vertical direction are superposed; the second notch 400 and the third notch 500 are U-shaped, the opening widths of the second notch 400 and the third notch 500 can accommodate one or two steel bars, and the opening widths of the second notch 400 and the third notch 500 are the same; the specific opening widths of the first notch 300, the second notch 400 and the third notch 500 can be determined according to actual use conditions, and the opening widths of the first notch, the second notch and the third notch can accommodate a reinforcing steel bar; each upright post 2 is provided with a positioning grid 6, the positioning grid 6 is positioned between the middle comb plate 4 and the upper comb plate 5, the positioning grid 6 comprises a plurality of positioning rods 61 which are parallel to each other, and a first steel plate 62 and a second steel plate 63 which are parallel to each other, one end of each positioning rod 61 is connected with the first steel plate 62, the positioning rods 61 are equidistantly arranged along the length direction of the first steel plate 62, each positioning rod 61 is connected with the second steel plate 63, and the second steel plate 63 and the first steel plate 62 are positioned at the same end of the positioning rod 61; be equipped with base 7 on the stand 2, location stick 61 is from keeping away from 1 direction of channel-section steel and pegging graft in base 7 for location stick 61 is connected on stand 2 along 2 direction of height equidistance of stand. In this embodiment, each column 2 is provided with two positioning grids 6 and four bases 7, and each two bases 7 are used for inserting two positioning rods 61 on one positioning grid 6.

During the use, insert the location in the horizontal reinforcing bar is first notch 300, insert the location in second notch 400 and the third notch 500 with vertical reinforcement hoop, then place horizontal longitudinal reinforcement on the registration arm 61, later with horizontal reinforcing bar, horizontal longitudinal reinforcement and vertical reinforcement hoop bundle form the steel reinforcement cage.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Claims

1. A positioning jig frame for binding a T-beam web steel reinforcement framework is characterized by comprising a channel steel (1) and a plurality of stand columns (2) which are pre-embedded on a concrete floor, wherein the stand columns (2) are equidistantly arranged beside the channel steel (1) along the length direction of the channel steel (1), a lower comb plate (3) is arranged on one side of the channel steel (1) along the length direction of the channel steel, a plurality of first notches (300) are equidistantly arranged on the lower comb plate (3) along the length direction of the lower comb plate, and the first notches (300) penetrate through the lower comb plate (3) along the horizontal direction; the positioning jig frame further comprises a middle comb plate (4) and an upper comb plate (5) which are parallel to the lower comb plate (3), the middle comb plate (4) is connected with all the upright posts (2) and is positioned on the upright posts (2), and a plurality of second notches (400) are formed in the middle comb plate (4) at equal intervals along the length direction of the middle comb plate; the upper comb plate (5) is connected with all the upright posts (2) and is positioned at the tops of the upright posts (2), a plurality of third notches (500) are equidistantly arranged on the upper comb plate (5) along the length direction of the upper comb plate, the second notches (400) and the third notches (500) respectively penetrate through the middle comb plate (4) and the upper comb plate (5) along the vertical direction, and the projection of each second notch (400) and one third notch (500) in the vertical direction are superposed; every all be equipped with positioning grid (6) on stand (2), positioning grid (6) are located middle part comb board (4) with between upper portion comb board (5), positioning grid (6) include a plurality of location stick (61) that are parallel to each other, location stick (61) are followed stand (2) direction of height equidistance is connected on stand (2).

2. The positioning jig frame for binding the T-shaped web steel reinforcement framework of the beam as claimed in claim 1, wherein the number of the channel steel (1) and the number of the lower comb plates (3) are two and are all arranged in parallel, and the two lower comb plates (3) are respectively arranged at the outer sides of the two channel steel (1).

3. The positioning jig frame for binding the T-shaped web steel reinforcement framework of claim 1, wherein the first notch (300) is rectangular and has an opening width capable of accommodating one or two steel reinforcements, and the depth of the first notch (300) is greater than the diameter of the steel reinforcements.

4. The positioning jig frame for binding the T-shaped web steel reinforcement framework of claim 1, wherein the second notch (400) and the third notch (500) are U-shaped and have opening widths capable of accommodating one or two steel reinforcements, and the opening widths of the second notch (400) and the third notch (500) are the same.

5. The positioning jig frame for binding the T-beam web steel reinforcement framework, according to claim 1, is characterized in that the positioning grid (6) further comprises first steel plates (62), one end of each positioning rod (61) is connected with the first steel plates (62), the positioning rods (61) are arranged at equal intervals along the length direction of the first steel plates (62), a base (7) is arranged on the upright column (2), and the positioning rods (61) are inserted into the base (7) from the direction far away from the channel steel (1).

6. The positioning jig frame for binding the T-shaped web steel reinforcement framework of claim 5, wherein the positioning grid (6) further comprises second steel plates (63), each positioning rod (61) is connected with the second steel plate (63), and the second steel plates (63) and the first steel plates (62) are arranged in parallel and are positioned at the same end of the positioning rods (61).

7. The positioning jig frame for binding the T-shaped beam web steel reinforcement framework according to claim 1, characterized in that a cross beam (8) is further connected between the upright post (2) and the channel steel (1), and the channel steel (1) is arranged on the cross beam (8).