Section steel jig frame for continuous small box girder universal type top plate steel bar binding

By designing a universal steel frame for tying the top slab reinforcement of continuous small box girders, the problem that traditional frames cannot meet the overall assembly of different types of top slab reinforcement was solved, achieving material savings and improved construction efficiency, while ensuring forming quality and precision.

CN223675169UActive Publication Date: 2025-12-16CHINA GEZHOUBA GRP THREE GORGES CONSTR ENG CO LTD
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Patent Information

Application Number
CN202520050704.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-16
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Traditional binding frames cannot meet the overall assembly requirements of different types of top slab reinforcement for continuous small box girders, resulting in material waste and low construction efficiency.

Method used

A general-purpose steel frame for tying top slab reinforcement of continuous small box girders is designed. It adopts standard section and general-purpose section frame structure, combined with height adjustment device and comb plate groove, to realize the overall assembly and precise positioning of different types of top slab reinforcement.

Benefits of technology

It enables interchangeable binding of different types of top slab reinforcement, saving material costs, improving construction efficiency and forming quality, and ensuring uniform spacing and straight longitudinal lines of the reinforcement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a section steel jig frame for binding a universal top plate reinforcing steel bar of a continuous small box girder, which comprises a standard section jig frame structure positioned in the middle, and universal section jig frame structures are butted on two sides of the standard section jig frame structure; the universal section jig frame structure comprises multiple sets of first stand columns arranged in parallel, short cross beams are fixed to the tops of the first stand columns, middle cross beams are fixed between the inner sides of the first stand columns in the same set, and first longitudinal beams are installed at the tops of the middle cross beams through height adjusting devices. The standard section jig frame structure comprises multiple sets of second stand columns arranged in parallel, long cross beams are fixed to the tops of the second stand columns, and second longitudinal beams are supported by the tops of the long cross beams. Third longitudinal beams are supported on the two sides of the tops of the short beams and the long beams respectively, and comb plates are positioned and installed on the side faces of the third longitudinal beams. The technical problems that in the prior art, a plurality of jig frames need to be adopted for integrally splicing and binding different types of roof steel bars, profile steel materials are consumed, the field is occupied, the operation efficiency is reduced, and the steel bar spacing is uneven are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, concretely is a kind of continuous small box girder general roof steel bar binding with section steel jig frame. BACKGROUND

[0002] In the process of bridge engineering prestressed small box girder roof steel bar binding, according to relevant design drawing, continuous small box girder roof exists continuous end partial thickening phenomenon, forms different types of roof steel bar, and traditional binding jig frame can only meet the overall assembly binding of one type of roof steel bar, needs to be made different type jig frame to meet construction, substantially increases the quantity of section material, and occupies site, affects overall construction space and operation efficiency. CONTENT OF UTILITY MODEL

[0003] To solve the current technical problem, the main purpose of the utility model is to provide a kind of continuous small box girder general roof steel bar binding with section steel jig frame, to solve the technical problems such as traditional need to use multiple jig frames to overall assembly binding of different types of roof steel bar, consume section steel material, occupy site, reduce operation efficiency, uneven steel bar spacing.

[0004] In order to realize the above technical features, the purpose of the utility model is realized as follows: a kind of continuous small box girder general roof steel bar binding with section steel jig frame, including the standard section jig frame structure in middle part, the two sides of the standard section jig frame structure are butt-jointed with general section jig frame structure;

[0005] The general section jig frame structure includes multiple groups of first vertical columns arranged in parallel, the top of first vertical column is fixed with short crossbeam, the inside between same group of first vertical columns is fixed with middle crossbeam, the top of middle crossbeam is installed with first longitudinal beam through height adjusting device;

[0006] The standard section jig frame structure includes multiple groups of second vertical columns arranged in parallel, the top of second vertical column is fixed with long crossbeam, the top of long crossbeam is supported with second longitudinal beam;

[0007] The top of short crossbeam and long crossbeam is supported with third longitudinal beam respectively on both sides, the side of third longitudinal beam is positioned and installed with comb plate;The top of short crossbeam and long crossbeam is fixed with baffle on one side edge.

[0008] The first inclined support rod of inclined arrangement is fixed between the first vertical column and short crossbeam.

[0009] Second inclined support rod of inclined arrangement is fixedly installed between the second vertical column and long crossbeam.

[0010] The height adjusting device includes first sleeve, first sleeve is fixed on middle crossbeam, rectangular frame is rotatably installed in first sleeve, second sleeve is rotatably installed at the other end of rectangular frame, and second sleeve is fixed at the bottom end of first longitudinal beam.

[0011] The first upright column, the short cross beam, the middle cross beam, the long cross beam and the baffle are all cut from channel steel materials.

[0012] The first longitudinal beam, the second longitudinal beam and the third longitudinal beam are all cut from square steel tube materials.

[0013] The first inclined support rod and the second inclined support rod are both cut from angle steel materials.

[0014] The utility model has the following beneficial effects:

[0015] 1, the utility model discloses a section steel jig of continuous small box girder general type roof steel bar binding, and the whole assembly binding of different types of roof steel bars of continuous small box girder can be satisfied, and the interchange of the binding of different types of roof steel bars of continuous small box girder is realized through height adjusting device, and the adjusting device is welded from round steel pipes. The utility model provides a section steel jig of continuous small box girder general type roof steel bar binding, and the whole assembly binding of different types of roof steel bars of continuous small box girder can be satisfied, and the whole assembly binding of different types of roof steel bars of continuous small box girder is realized through height adjusting device, and the interchange of the binding of different types of roof steel bars of continuous small box girder is realized through height adjusting device, and the adjusting device is welded from round steel pipes.

[0016] 2, through height adjusting device, the whole assembly binding of different types of roof steel bars of continuous small box girder is realized, convenient operation is improved, and material cost is effectively saved.

[0017] 3, through the positioning of the slot of the comb tooth plate, the installation position and the interval of the steel bar are accurately controlled, the uneven problem of the interval of the steel bar in the binding installation process is avoided, the installation efficiency and the precision are improved, and the forming quality is guaranteed.

[0018] 4, through one side baffle, the longitudinal line of the whole steel bar installation can be controlled straight, and the steel bars are prevented from being uneven. DRAWINGS

[0019] The utility model will be further described below in connection with the drawings and examples.

[0020] Figure 1 It is the first perspective three-dimensional drawing of the utility model.

[0021] Figure 2 It is the second perspective three-dimensional drawing of the utility model.

[0022] Figure 3 It is the plan view of the utility model.

[0023] Figure 4 It is the front view of the height adjusting device of the utility model.

[0024] Figure 5 It is the utility model Figure 1 The partial enlarged view of the general section jig structure of the utility model.

[0025] Figure 6 It is the utility modelFigure 1 Partial enlarged view of the standard section jig frame structure.

[0026] Figure 7 The utility model discloses Figure 2 Partial enlarged view of the general section jig frame structure.

[0027] Figure 8 The utility model discloses Figure 3 Partial enlarged view of the general section jig frame structure.

[0028] In the drawing: first stand 1, short crossbeam 2, first inclined support rod 3, middle crossbeam 4, first longitudinal beam 5, second longitudinal beam 6, long crossbeam 7, comb plate 8, third longitudinal beam 9, baffle 10, height adjusting device 11, general section jig frame structure 12, standard section jig frame structure 13, second stand 14, second inclined support rod 15;

[0029] First sleeve 1101, rectangular frame 1102, second sleeve 1103. Specific implementation

[0030] The embodiment of the utility model will be further explained below in combination with the drawings.

[0031] Referring to Figures 1-8 A continuous small box girder general type roof steel bar binding type steel jig frame, including the standard section jig frame structure 13 in the middle part, the both sides butt joint of standard section jig frame structure 13 have general section jig frame structure 12, general section jig frame structure 12 includes a plurality of parallelly arranged first stand 1, and the top of first stand 1 is fixed with short crossbeam 2, and the inside between the same group first stand 1 is fixed with middle crossbeam 4, and the top of middle crossbeam 4 is installed with first longitudinal beam 5 through height adjusting device 11, standard section jig frame structure 13 includes a plurality of parallelly arranged second stand 14, and the top of second stand 14 is fixed with long crossbeam 7, and the top of long crossbeam 7 supports second longitudinal beam 6, the top both sides of short crossbeam 2 and long crossbeam 7 respectively support third longitudinal beam 9, and the side of third longitudinal beam 9 is positioned and installed with comb plate 8, and the top one side edge of short crossbeam 2 and long crossbeam 7 is fixed with baffle 10. The whole assembly binding of different types roof steel bars of continuous small box girder can be satisfied by the jig frame, and the interchange of different types roof steel bars of continuous small box girder is realized by adjusting device, and the adjusting device is welded by round steel pipe. The continuous small box girder general type roof steel bar binding type steel jig frame provided by the utility model satisfies the requirements of the whole assembly binding processing and forming quality of different types roof steel bars of continuous small box girder.

[0032] Further, the first inclined support rod 3 is arranged between the first stand 1 and the short crossbeam 2. The first inclined support rod 3 enhances the connection strength and stability between the first stand 1 and the short crossbeam 2.

[0033] Further, the second inclined support rod 15 is arranged between the second upright column 14 and the long cross beam 7. The second inclined support rod 15 enhances the connection strength and stability between the second upright column 14 and the long cross beam 7.

[0034] Further, the height adjusting device 11 comprises a first sleeve 1101 fixed on the middle cross beam 4, a rectangular frame 1102 rotatably arranged in the first sleeve 1101, and a second sleeve 1103 rotatably arranged at the other end of the rectangular frame 1102 and fixed on the bottom end of the first longitudinal beam 5. The height adjusting device 11 can adjust the height position of the first longitudinal beam 5 to meet the requirements of different types of top plate reinforcement binding of the continuous small box girder.

[0035] Further, the first upright column 1, the short cross beam 2, the middle cross beam 4, the long cross beam 7 and the baffle 10 are all cut from channel steel. The materials simplify the structure and ensure the structural strength and stability.

[0036] Further, the first longitudinal beam 5, the second longitudinal beam 6 and the third longitudinal beam 9 are all cut from square steel pipes. The materials simplify the structure and ensure the structural strength and stability.

[0037] Further, the first inclined support rod 3 and the second inclined support rod 15 are all cut from angle steel. The materials simplify the structure and ensure the structural strength and stability.

[0038] Further, the comb tooth plates 8 on both sides can control the installation position and spacing of the reinforcement, improve the installation efficiency and precision, and ensure the forming quality.

[0039] Further, the side baffle 10 can control the longitudinal line type of the overall reinforcement installation to prevent the reinforcement from being uneven.

[0040] The implementation steps of the utility model are as follows:

[0041] According to the type of the top plate reinforcement of the continuous small box girder, the first longitudinal beam 5 of the universal segment jig frame structure 12 is adjusted by the height adjusting device, the stirrup is sequentially placed into the positioning comb tooth plate slot, the installation position and spacing of the reinforcement are accurately controlled, the stirrup is tightly attached to the baffle on one side, the longitudinal line type of the overall reinforcement installation is straight, the reinforcement is prevented from being uneven, the horizontal reinforcement is sequentially placed for installation, and finally the binding is performed by the operator, the finished product is hoisted into the mold by the lifting device after completion.

Claims

1. A general type of formwork for tying up the reinforcement of the roof of continuous small box girder, characterized in that, The standard section tire frame structure (13) is located in the middle part, and the universal section tire frame structure (12) is butt-jointed on both sides of the standard section tire frame structure (13); The universal section tire frame structure (12) comprises a plurality of groups of first vertical columns (1) arranged in parallel, a short cross beam (2) is fixed to the top of the first vertical column (1), a middle cross beam (4) is fixed between the inner sides of the first vertical columns (1) in the same group, and a first longitudinal beam (5) is installed on the top of the middle cross beam (4) through a height adjusting device (11); The standard section tire frame structure (13) comprises a plurality of groups of second vertical columns (14) arranged in parallel, a long cross beam (7) is fixed to the top of the second vertical column (14), and a second longitudinal beam (6) is supported on the top of the long cross beam (7); The top of the short cross beam (2) and the long cross beam (7) is respectively supported by a third longitudinal beam (9) on both sides, and a comb plate (8) is positioned and installed on the side surface of the third longitudinal beam (9); and a baffle (10) is fixed to one side edge of the top of the short cross beam (2) and the long cross beam (7).

2. The type steel jig frame for binding the general roof steel bars of continuous small box girder according to claim 1, characterized in that: The first inclined support rod (3) is fixed between the first vertical column (1) and the short cross beam (2) in an inclined arrangement.

3. The universal formwork steel jig for binding the roof reinforcement of continuous small box girder according to claim 2, characterized in that: The second inclined support rod (15) is fixedly installed between the second vertical column (14) and the long cross beam (7) in an inclined arrangement.

4. The type steel jig frame for binding the general roof steel bars of continuous small box girder according to claim 1, characterized in that: The height adjusting device (11) comprises a first sleeve (1101) fixed on the middle cross beam (4), a rectangular frame (1102) rotatably installed in the first sleeve (1101), a second sleeve (1103) rotatably installed at the other end of the rectangular frame (1102), and the second sleeve (1103) is fixed to the bottom end of the first longitudinal beam (5).

5. The continuous small box girder general roof steel bar binding type steel jig frame according to claim 1, characterized in that: The first vertical column (1), the short cross beam (2), the middle cross beam (4), the long cross beam (7) and the baffle (10) are all cut from channel steel materials.

6. The universal formwork steel jig for tying the reinforcement of the roof of continuous small box girder according to claim 1, characterized in that: The first longitudinal beam (5), the second longitudinal beam (6) and the third longitudinal beam (9) are all cut from square steel tubes.

7. The universal formwork steel jig for tying the roof reinforcement of continuous small box girder according to claim 3, characterized in that: The first inclined support rod (3) and the second inclined support rod (15) are all cut from angle steels.