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

Description

A prefabricated T beam and a small box beam share a reinforcing bar positioning device

technical field

The utility model belongs to the technical field of bridge engineering construction, and particularly relates to a prefabricated T beam and a small box beam shared steel bar positioning device.

Background technique

Nowadays, there are many tasks in the construction of highway bridges in my country. Most of the bridge superstructures use standard T beams and standard small box beams. With the improvement of the standardization requirements of highway construction, the standardization requirements for the positioning of steel bars are also increased, that is, the positioning of steel bars must use tires. Formwork positioning construction. At present, a large number of reinforcing bar positioning molds on the market use a fixed tire membrane frame, and the construction process of integral hoisting is adopted after the steel bar is processed.

The main disadvantages of this method are:

1) Each tire membrane frame (prefabricated T beam or small box beam) consumes a lot of reinforcing steel materials and cannot be shared, and occupies a pedestal;

2) After the steel bar is processed, the overall hoisting often leads to the deformation of the steel bar cage and needs to be re-repaired;

3) The positioning of the reinforcing bars of the T beam diaphragm needs to be made separately.

In order to ensure the standardization of the construction of prefabricated beams, reduce the site occupation of the fixed tire frame, improve the construction speed and efficiency, and reduce the steel consumption of the tire frame, so as to realize the sharing of mobile and prefabricated small box beams and prefabricated T beam tire frames.

Utility model content

In view of the above-mentioned problems, the utility model provides a prefabricated T beam and a small box girder shared reinforcing bar positioning device, so as to solve the precise positioning of the horizontal bars, stirrups and prefabricated beam diaphragm bars in the construction of the prefabricated T beam and the small box girder, At the same time, the disadvantages of the original technology mentioned in the technical background are solved.

The utility model is realized by the following technical solutions.

A prefabricated T beam and a small box beam share a reinforcing bar positioning device, which is characterized in that it comprises: a formwork, a positioning sleeve, and a horizontal rod;

The mold base includes a base, two vertical rods and two inclined rods whose bottom ends are connected to the base, a connecting rod that connects the vertical rods and the top of the inclined rods, and a horizontal level that is connected between the two vertical rods and the beam body is provided with a scale. The rib positioning beam; the positioning sleeve is arranged on the vertical rod and the inclined rod, and one end of the horizontal rod is detachably inserted into the positioning sleeve for positioning the steel bar.

As a preferred technical solution, the base includes a base frame and a pulley arranged on the base frame.

As a preferred technical solution, the base further includes a lifting device arranged on the base frame to adjust the height of the mold base.

As a preferred technical solution, the lifting device includes a positioning nut disposed on the base frame and a support rod that is threadedly connected to the positioning nut.

As a preferred technical solution, the inclination angle of the inclined rod is the same as the inclination angle of the web of the prefabricated T beam or the small box beam.

As a preferred technical solution, the horizontal rib positioning beam is detachably connected between the two vertical bars.

As a preferred technical solution, 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 solution, the horizontal rib positioning beam is square steel.

The beneficial effects of the utility model are as follows: for the standardized construction of prefabricated small box girder and prefabricated T beam steel bars, the small box girder and the T beam tire frame are shared, the consumption of the tire frame material bars is reduced, and the engineering cost is reduced; Occupying the site can save temporary land and reduce temporary rental costs; reduce the repair labor of steel bars after fixing the tire frame to bind and hoist the steel bars, improve the construction efficiency and save labor costs.

Description of drawings

Fig. 1 is the front view of the utility model reinforcing bar positioning device after the horizontal rod is omitted;

Figure 2 is a left side view of the reinforcing bar positioning device of the utility model after the horizontal rod is omitted;

FIG. 3 is a top view of the reinforcing bar positioning device of the utility model after the horizontal rod is omitted;

4 is a front view of the reinforcing bar positioning device of the present invention when the reinforcing bar skeleton of the web of the T beam is used;

5 is a top view of the reinforcing bar positioning device of the present invention when the reinforcing bar skeleton of the web of the T beam is used;

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

The meanings of the signs in the above figures are: 1-formwork, 101-base, 102-upright rod, 103-inclined rod, 104-connecting rod, 105-horizontal rib positioning beam, 106-base frame, 107-pulley, 108 -Lifting device, 109-Locating nut, 110-Support rod, 111-Clamping slot, 2-Locating sleeve, 3-Horizontal rod, 4-T beam web steel frame, 5-Clapboard steel frame, 6 - Reinforcement, 7-Small box girder web reinforcement skeleton.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings in the form of specific embodiments. It should be pointed out that the following embodiments are only explanatory descriptions of the present utility model in the form of examples, but the protection scope of the present utility model is not limited to Limited to this, all the equivalent replacements made by those skilled in the art to the present utility model in the spirit of the present utility model fall into the protection scope of the present utility model.

Example

A prefabricated T beam and a small box beam share a reinforcing bar positioning device, please refer to FIG. 1 to FIG. 5 , which includes: a formwork 1, a positioning sleeve 2, and a horizontal rod 3;

The mold base 1 includes a base 101 , two vertical rods 102 and two inclined rods 103 whose bottom ends are connected to the base 101 , a connecting rod 104 that connects the vertical rods 102 and the tops of the inclined rods 103 , and is connected between the two vertical rods 102 . The horizontal rib positioning beam 105 is arranged between the space and the beam body; the positioning sleeve 2 is arranged on the vertical rod 102 and the oblique rod 103, and one end of the horizontal rod 3 is detachably inserted in the positioning sleeve 2 for positioning the steel bar. to locate;

In the above structure, the positioning sleeves 2 should be arranged horizontally, vertically, and evenly staggered on the vertical rods 102 and the inclined rods 103. The position and spacing of the positioning sleeves 2 on the vertical rods 102 and the inclined rods 103 should be based on the prefabricated T beams or small boxes. The designed spacing of the horizontal reinforcement bars in the beam is arranged; the scale on the horizontal reinforcement positioning beam 105 can be formed by cutting with a cutting machine to locate the position of the beam rib stirrups; when in use, a plurality of reinforcement positioning devices of the present utility model can be used according to the beam. After the long assembly is completed, the workers will bind according to the standardized construction requirements of the steel bar; when it is necessary to bind the steel bar frame 4 of the T beam web and locate the steel bar, please refer to FIG. In the positioning sleeve 2 ; when the small box girder web reinforcement frame 7 needs to be bound and the reinforcement is positioned, please refer to FIG. 6 .

Further, in order to facilitate the movement of the device and improve the construction efficiency, in a preferred embodiment, please refer to FIG. 1 and FIG.

Further, in order to adjust the height of the formwork 1 to adapt to prefabricated T beams or small box beams of different design sizes and improve construction efficiency, in a preferred embodiment, please refer to Figure 1, Figure 2, Figure 3, the base 101 It also includes a lifting device 108 arranged on the base frame 106 for adjusting the height of the mold base 1 .

Further, in a preferred embodiment, please refer to FIG. 1 , FIG. 2 , and FIG. 3 , the lifting device 108 includes a positioning nut 109 arranged on the base frame 106 and a support rod 110 threadedly connected with the positioning nut 109 , In this way, the height of the mold base 1 can be adjusted by rotating the support rod 110 to extend and retract the support rod 110 to a proper position.

Further, in order to facilitate the positioning of the web reinforcement by the horizontal rods 3 passing through the positioning sleeve 2 on the oblique bar 103, in a preferred embodiment, the inclination angle of the oblique rod 103 is the same as that of the prefabricated small box girder. The webs are inclined at the same angle.

At the construction site, in order to facilitate the marking of the scale on the horizontal rib positioning beam 105, a cutting machine can usually be used to cut the scale to locate the position of the beam rib stirrup; however, the horizontal rib positioning beam 105 should not be repeatedly cut for marking, so for Different construction projects require frequent replacement of the horizontal rib positioning beam 105 and re-cutting for marking and marking. Further, in a preferred embodiment, the horizontal rib positioning beam 105 is detachably connected between the two vertical bars 102 .

Further, in a preferred embodiment, please refer to FIG. 2 , two vertical rods 102 are provided with clip slots 111 , and both ends of the horizontal rib positioning beam 105 are detachably clipped into the clip slots 111 .

Further, in order to facilitate local material acquisition, in a preferred embodiment, the horizontal rib positioning beam 105 is made of square steel.

Claims (8)

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.

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