CN211194385U

CN211194385U - Prefabricated T roof beam and little case roof beam sharing reinforcing bar positioner

Info

Publication number: CN211194385U
Application number: CN201921360313.2U
Authority: CN
Inventors: 李雅杰; 罗文艺; 苏检平; 刘云风; 刘兴华
Original assignee: CCFEB Civil Engineering Co Ltd
Current assignee: CCFEB Civil Engineering Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-08-07
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a prefabricated T roof beam and little case roof beam sharing reinforcing bar positioner, its characterized in that includes: the die carrier, the locating sleeve, the horizontal member; the die carrier comprises a base, two vertical rods and two inclined rods, wherein the bottom ends of the two vertical rods and the two inclined rods are connected with the base; the positioning sleeve is arranged on the vertical rod and the inclined rod, and one end of the horizontal rod piece is detachably inserted into the positioning sleeve to position the reinforcing steel bar. The utility model discloses can carry out accurate location to horizontal muscle, stirrup and precast beam diaphragm reinforcing bar in prefabricated T roof beam and the construction of small box girder to improve efficiency of construction and construction quality.

Description

Prefabricated T roof beam and little case roof beam sharing reinforcing bar positioner

Technical Field

The utility model belongs to the technical field of bridge engineering construction, concretely relates to prefabricated T roof beam and little case roof beam sharing reinforcing bar positioner.

Background

At present, highway bridges in China are constructed in various tasks, most of bridge superstructure adopts standard T-beams and standard small box beams, and with the improvement of the standardized requirement of highway construction, the standardized requirement of reinforcing steel bar positioning is also improved, namely the reinforcing steel bar positioning must adopt a form frame for positioning construction. A large number of steel bar positioning moulds applied to the market at present adopt fixed die frames, and an integral hoisting construction process is adopted after the steel bars are machined.

The method has the following main disadvantages:

1) each tire membrane frame (a prefabricated T beam or a small box beam) consumes more steel bar materials and cannot be shared, and occupies one pedestal;

2) after the reinforcing steel bars are processed, the integral hoisting often causes the deformation of the reinforcing cage and needs to be repaired again;

3) the transverse clapboard steel bar positioning of the T-shaped beam needs to be manufactured independently.

In order to ensure the construction standardization of the reinforcement of the precast beam pieces, reduce the occupation of the field for fixing the jig frame, improve the construction speed and efficiency and reduce the steel consumption of the jig frame, thereby realizing the sharing of the movable and precast small box beams and the precast T beam jig frame.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a prefabricated T roof beam and little case roof beam sharing reinforcing bar positioner to solve the accurate location of horizontal muscle, stirrup and precast beam diaphragm reinforcing bar in prefabricated T roof beam and the construction of little case roof beam, solve the original technical drawback problem that mentions in the technical background simultaneously.

The utility model discloses a following technical scheme realizes.

The utility model provides a prefabricated T roof beam and little case roof beam sharing reinforcing bar positioner which characterized in that includes: the die carrier, the locating sleeve, the horizontal member;

the die carrier comprises a base, two vertical rods and two inclined rods, wherein the bottom ends of the two vertical rods and the two inclined rods are connected with the base; the positioning sleeve is arranged on the vertical rod and the inclined rod, and one end of the horizontal rod piece is detachably inserted into the positioning sleeve to position the reinforcing steel bar.

As a preferred technical scheme, the base comprises a base frame and pulleys arranged on the base frame.

As a preferred technical scheme, the base further comprises a lifting device which is arranged on the base frame and used for adjusting the height of the die carrier.

As the preferred technical scheme, the lifting device comprises a positioning nut arranged on the base frame and a supporting rod in threaded connection with the positioning nut.

As a preferred technical scheme, the inclination angle of the inclined rod is the same as the inclination angle of the web plate of the prefabricated T-shaped beam or the small box girder.

As the preferred technical scheme, the horizontal rib positioning beam is detachably connected between the two vertical rods.

As a preferred technical scheme, the two vertical rods are provided with clamping grooves, and the two ends of the horizontal rib positioning beam are detachably clamped into the clamping grooves.

As a preferred technical scheme, the horizontal rib positioning beam is made of square steel.

The utility model has the advantages that: aiming at the standardized construction of the prefabricated small box girder and the prefabricated T-shaped girder reinforcing steel bar, the small box girder and the T-shaped girder jig frame are shared, the consumption of the jig frame reinforcing steel bar is reduced, and the construction cost is reduced; the occupation of the field for fixing the jig frame is reduced, the temporary land can be saved, and the temporary lease cost is reduced; the labor for repairing the steel bars after the steel bars are bound by the fixed jig frame and hoisted is reduced, the construction efficiency is improved, and the labor cost is saved.

Drawings

Fig. 1 is a front view of the reinforcing bar positioning device of the present invention without the horizontal bar;

fig. 2 is a left side view of the reinforcing steel bar positioning device of the present invention without a horizontal rod;

fig. 3 is a top view of the reinforcing bar positioning device of the present invention without the horizontal bar;

fig. 4 is a front view of the reinforcing steel bar positioning device of the utility model used for binding the reinforcing steel bar framework of the T-shaped beam web;

fig. 5 is a top view of the reinforcing bar positioning device of the present invention when used for binding a reinforcing bar framework of a T-beam web;

FIG. 6 is a front view of the reinforcing bar positioning device of the present invention used for binding the reinforcing bar skeleton of the small box girder web;

the meanings of the marks in the above figures are as follows: 1-formwork, 101-base, 102-vertical rod, 103-diagonal rod, 104-connecting rod, 105-horizontal rib positioning beam, 106-base frame, 107-pulley, 108-lifting device, 109-positioning nut, 110-supporting rod, 111-clamping groove, 2-positioning sleeve, 3-horizontal rod piece, 4-T beam web rib framework, 5-transverse partition plate rib framework, 6-reinforcing steel bar and 7-small box beam web rib framework.

Detailed Description

The present invention is further described in the following embodiments with reference to the attached drawings, and it should be noted that the following embodiments are only illustrative of the present invention by way of example, but the scope of the present invention is not limited thereto, and all those skilled in the art can substitute the equivalent of the present invention by the spirit of the present invention.

Examples

Referring to fig. 1 to 5, a prefabricated T-beam and box girder sharing reinforcement positioning device includes: the device comprises a mould frame 1, a positioning sleeve 2 and a horizontal rod piece 3;

the die carrier 1 comprises a base 101, two vertical rods 102 and two inclined rods 103, the bottom ends of which are connected with the base 101, a connecting rod 104 for connecting and fixing the top ends of the vertical rods 102 and the inclined rods 103, and a horizontal rib positioning crossbeam 105 which is connected between the two vertical rods 102 and is provided with scales on a beam body; the positioning sleeve 2 is arranged on the vertical rod 102 and the inclined rod 103, and one end of the horizontal rod 3 is detachably inserted into the positioning sleeve 2 to position the reinforcing steel bar;

in the structure, the positioning sleeves 2 are horizontally, vertically and uniformly arranged on the vertical rods 102 and the inclined rods 103 in a staggered manner, and the positions and the intervals of the positioning sleeves 2 on the vertical rods 102 and the inclined rods 103 are arranged according to the design intervals of horizontal steel bars in the prefabricated T-shaped beam or the small box girder; the scales on the horizontal rib positioning beam 105 can be formed by cutting with a cutting machine so as to position the beam rib stirrups; when in use, a plurality of the steel bar positioning devices of the utility model can be assembled according to the length of the beam, and then workers can perform binding according to the standardized construction requirements of the steel bars; when a steel bar framework 4 of a T-shaped beam web plate needs to be bound and a steel bar is positioned, please refer to fig. 4, one end of a horizontal rod 3 is inserted into a positioning sleeve 2 on the vertical rod 102; when the small box girder web steel reinforcement framework 7 needs to be bound and the steel reinforcement is positioned, please refer to fig. 6, one end of the horizontal rod 3 is inserted into the positioning sleeve 2 on the diagonal rod 103.

Further, in order to facilitate the movement of the device and improve the construction efficiency, in a preferred embodiment, referring to fig. 1 and 2, the base 101 includes a base frame 106 and a pulley 107 disposed on the base frame 106.

Further, in order to adjust the height of the formwork 1 to adapt to prefabricated T-beams or box beams with different design sizes and improve the construction efficiency, in a preferred embodiment, referring to fig. 1, 2 and 3, the base 101 further includes a lifting device 108 disposed on the base frame 106 for adjusting the height of the formwork 1.

Further, in a preferred embodiment, referring to fig. 1, 2 and 3, the lifting device 108 includes a positioning nut 109 disposed on the base frame 106, and a support rod 110 threadedly coupled to the positioning nut 109, so that the support rod 110 can be extended and retracted to a proper position by rotating the support rod 110 to adjust the height of the formwork 1.

Further, in order to facilitate the positioning of the web reinforcements by the horizontal rods 3 penetrating the positioning sleeves 2 on the diagonal rods 103, in a preferred embodiment, the inclination angle of the diagonal rods 103 is the same as the inclination angle of the web of the prefabricated box girder.

In a construction site, in order to conveniently mark scales on the horizontal rib positioning cross beam 105, a cutting machine is generally adopted to cut the scales so as to position the beam rib stirrups; however, the horizontal reinforcement positioning beam 105 is not suitable for repeated cutting for identification, so that for different construction projects, the horizontal reinforcement positioning beam 105 needs to be replaced frequently and cut again for identification calibration, and further, in a preferred embodiment, the horizontal reinforcement positioning beam 105 is detachably connected between the two vertical rods 102.

Further, in a preferred embodiment, referring to fig. 2, two vertical rods 102 are provided with a clamping groove 111, and two ends of the horizontal rib positioning beam 105 are detachably clamped in the clamping groove 111.

Further, to facilitate local availability of materials, in a preferred embodiment, the horizontal web-positioning beam 105 is square steel.

Claims

1. The utility model provides a prefabricated T roof beam and little case roof beam sharing reinforcing bar positioner which characterized in that includes: the device comprises a mould frame (1), a positioning sleeve (2) and a horizontal rod piece (3);

the die carrier (1) comprises a base (101), two vertical rods (102) and two inclined rods (103) of which the bottom ends are connected with the base (101), connecting rods (104) for connecting and fixing the top ends of the vertical rods (102) and the inclined rods (103), and a horizontal rib positioning crossbeam (105) which is connected between the two vertical rods (102) and is provided with scales on a beam body; the positioning sleeve (2) is arranged on the vertical rod (102) and the inclined rod (103), and one end of the horizontal rod piece (3) is detachably inserted into the positioning sleeve (2) to position the steel bar.

2. A prefabricated T-beam and box girder sharing reinforcing bar positioning device according to claim 1, wherein the base (101) comprises a base frame (106), and pulleys (107) are provided on the base frame (106).

3. A prefabricated T-beam and box girder sharing reinforcing bar positioning device according to claim 2, wherein the base (101) further comprises a lifting device (108) provided on the base frame (106) for adjusting the height of the formwork (1).

4. A prefabricated T-beam and box girder shared steel bar positioning device according to claim 3, wherein the lifting device (108) comprises a positioning nut (109) arranged on the base frame (106), and a support rod (110) in threaded connection with the positioning nut (109).

5. A prefabricated T-beam and box girder sharing reinforcing bar positioning device according to claim 1, wherein the inclined angle of the inclined rod (103) is the same as the inclined angle of the web of the prefabricated box girder.

6. A prefabricated T-beam and box girder shared rebar positioning device as defined in claim 1, wherein the horizontal rebar positioning beam (105) is detachably connected between two vertical rods (102).

7. A prefabricated T-shaped beam and small box girder shared steel bar positioning device as claimed in claim 6, wherein the two vertical rods (102) are provided with clamping grooves (111), and two ends of the horizontal steel bar positioning cross beam (105) are detachably clamped into the clamping grooves (111).

8. A prefabricated T-beam and box girder sharing rebar positioning device as defined in claim 1 wherein said horizontal rebar positioning beam (105) is square steel.