Formwork supporting device at bridge manufacturing pedestal hoisting hole

Abstract

The utility model relates to the technical field of supporting equipment, in particular to a template supporting device at a hoisting hole of a bridge beam making pedestal. Comprising a supporting bottom plate, a channel steel top face and jacking assemblies, the supporting bottom plate is of a rectangular plate-shaped structure, the jacking assemblies are arranged on the supporting bottom plate and linearly distributed along the symmetry axis of the supporting bottom plate, the channel steel top face is of a U-shaped structure, and the tops of the jacking assemblies are connected with the inner bottom face of the channel steel top face. The device is convenient to operate, and meanwhile the supporting performance of the structure is guaranteed. The device can be repeatedly used and is high in turnover rate. The utility model is mainly applied to the aspect of supporting the template at the hoisting hole of the beam-making pedestal.

Description

TECHNICAL FIELD

[0001] The utility model relates to support equipment technical field more specifically, relate to a bridge beam bench lifting hole place formwork support device. BACKGROUND

[0002] In the production construction process of the bridge precast beam, in view of the significant feature that the precast beam is heavy, when hoisting operation is carried out, the bottom mould located at the lifting hole of the beam bench often faces severe support challenge. Because the support of the area often cannot reach the ideal state, cannot provide enough support force, thus steel plate bottom mould is very easy to cause deflection deformation at this key position. This deformation not only directly destroys the flatness of the bottom mould, but also further causes a series of serious quality defects such as slurry leakage, honeycomb pitted surface. These problems not only weaken the structural strength of the precast beam, but also greatly affect the forming effect of the fair-faced concrete and the overall appearance quality of the precast beam, pose potential threat to the quality and safety of the bridge engineering. SUMMARY

[0003] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a bridge beam bench lifting hole place formwork support device. The device can adjust the lifting hole bench bottom mould height through the nut, greatly ensures the formwork reinforcement quality, and the device can be used repeatedly, improves the economic benefit; simple structure, safe and reliable.

[0004] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0005] A bridge beam bench lifting hole place formwork support device, including support bottom plate, channel steel top surface and jacking assembly, the support bottom plate adopts rectangular plate structure, the jacking assembly is provided with multiple groups on the support bottom plate, multiple jacking assemblies are arranged linearly along the symmetry axis of the support bottom plate, the channel steel top surface adopts the setting of the “Fang” character-shaped structure, the top of the jacking assembly is connected with the inner bottom surface of the channel steel top surface.

[0006] The jacking assembly includes a steel pipe sleeve, a jacking screw and an adjusting nut, the steel pipe sleeve adopts a cylindrical structure with an open top, the steel pipe sleeve is arranged on the support bottom plate, the jacking screw is arranged in the steel pipe sleeve, and the adjusting nut is threadedly connected to the jacking screw.

[0007] The steel pipe sleeve is provided with a positioning plate on both sides of the bottom, a plurality of positioning threaded holes are arranged on both sides of the symmetry axis of the support bottom plate, the positioning threaded holes are arranged in position with the positioning plate, and the positioning plate is connected with the positioning threaded holes through bolts.

[0008] The supporting bottom plate is provided with a limiting rail arranged along the symmetry axis of the supporting bottom plate, the steel pipe sleeve bottom is provided with a limiting sliding groove, and the limiting sliding groove is matched with the limiting rail and arranged along the diameter of the steel pipe sleeve bottom.

[0009] The jacking screw top is fixedly provided with a displacement square plate, the displacement square plate is arranged in a square plate, the inner bottom surface of the channel steel top surface is provided with a straight plate sliding groove, the straight plate sliding groove is matched with the displacement square plate, and the displacement square plate is slidably arranged in the straight plate sliding groove.

[0010] The channel steel top surface side is provided with a level.

[0011] The channel steel top surface side is provided with a placing box, and the placing box is provided with a laser range finder.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] The device has the advantages of simple structure, convenient installation and removal, safety and reliability, high construction efficiency, flexible disassembly of parts, convenient operation, guaranteed support performance of the structure, reusability, high turnover rate, avoided quality defects such as slurry leakage and pitted surface caused by deformation of the bottom mold due to improper support, and effectively guaranteed visual quality of the precast beam. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the present application;

[0015] Figure 2 It is a side view of the present application;

[0016] Figure 3 It is a split schematic view of the present application;

[0017] Figure 4 It is a plan view of the supporting bottom plate in the present application;

[0018] Figure 5 It is a plan view of the jacking assembly in the present application;

[0019] Figure 6 It is an internal schematic view of the channel steel top surface in the present application;

[0020] In the figure: 1 is a supporting bottom plate, 2 is a limiting rail, 3 is a positioning thread hole, 4 is a channel steel top surface, 5 is a straight plate sliding groove, 6 is a jacking assembly, 7 is a steel pipe sleeve, 8 is a positioning plate, 9 is a limiting sliding groove, 10 is a jacking screw, 11 is a displacement square plate, 12 is an adjusting nut, 13 is a level, 14 is a placing box, 15 is a laser range finder. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned objects, features, and advantages of the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0022] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present utility model is not limited by the specific embodiments disclosed below.

[0023] As Figures 1 to 6 shown, a formwork support device at the hoisting hole of a bridge beam manufacturing pedestal includes a support bottom plate 1, a channel steel top surface 4, and a jacking assembly 6. The support bottom plate 1 adopts a rectangular plate structure. Multiple groups of jacking assemblies 6 are arranged on the support bottom plate 1, and the multiple groups of jacking assemblies 6 are linearly arranged along the symmetry axis of the support bottom plate 1. The channel steel top surface 4 is arranged in a "U" - shaped structure, and the top of the jacking assembly 6 is connected to the inner bottom surface of the channel steel top surface 4.

[0024] Preferably, the jacking assembly 6 includes a steel pipe sleeve 7, a jacking screw 10, and an adjusting nut 12. The steel pipe sleeve 7 adopts a cylindrical structure with an open top. The steel pipe sleeve 7 is arranged on the support bottom plate 1. The bottom of the jacking screw 10 extends into the steel pipe sleeve 7, and the adjusting nut 12 is threadedly connected to the jacking screw 10.

[0025] Preferably, positioning plates 8 are arranged on both sides of the bottom of the steel pipe sleeve 7. A number of positioning threaded holes 3 are arranged on both sides of the support bottom plate 1 along the symmetry axis. The positioning threaded holes 3 are arranged in a position - matching manner with the positioning plates 8, and the positioning plates 8 are connected to the positioning threaded holes 3 by bolts.

[0026] Preferably, a limiting track 2 is arranged on the support bottom plate 1. The limiting track 2 is arranged along the symmetry axis of the support bottom plate 1. A limiting sliding groove 9 is opened at the bottom of the steel pipe sleeve 7. The limiting sliding groove 9 is arranged in a matching manner with the limiting track 2, and the limiting sliding groove 9 is arranged along the diameter of the bottom of the steel pipe sleeve 7.

[0027] Preferably, a displacement square plate 11 is fixedly arranged at the top of the jacking screw 10. The displacement square plate 11 adopts a square plate. A straight - plate sliding groove 5 is arranged on the inner bottom surface of the channel steel top surface 4, and the straight - plate sliding groove 5 is arranged in a matching manner with the displacement square plate 11. The displacement square plate 11 slides in the straight - plate sliding groove 5.

[0028] Preferably, a level 13 is arranged on the side surface of the channel steel top surface 4.

[0029] Preferably, a placement box 14 is arranged on the side surface of the channel steel top surface 4, and a laser rangefinder 15 is arranged in the placement box 14.

[0030] Before use, according to the design requirements, the steel pipe sleeve 7 is fixed on the support base plate 1 through the positioning threaded hole 3, the jacking screw 10 is inserted into the steel pipe sleeve 7, the adjusting nut 12 is rotated, the length of each jacking screw 10 extending out of the steel pipe sleeve 7 is controlled, the operator inserts the channel steel top surface into the installation from the side, makes the channel steel top surface 4 through the straight plate sliding groove 5 and each jacking screw 10 top displacement square plate 11 sleeve, the sleeve makes the height and angle of the displacement square plate 11 can be flexibly adjusted, ensures that each group of displacement square plates 11 are clamped into the straight plate sliding groove 5, the level meter 13 can observe the levelness of the channel steel top surface 4, the laser range finder 15 can measure the jacking height of the channel steel top surface 4,

[0031] When the precast beam formwork installation operation is carried out, the above support device is placed at the pedestal hoisting hole, the base mold height and flatness are adjusted through the adjusting nut, the steel base mold and the two side base molds at the hoisting hole are kept horizontal, and then the beam side mold is installed, so that the side mold and the base mold are closely attached. During use, if it is necessary to adjust the channel steel top surface 4, the adjusting nut 12 can be rotated synchronously, and each group of jacking assemblies 6 can be controlled synchronously. After each piece of beam concrete is poured and reaches the demolding condition, the device can be removed and reused on other pedestals.

[0032] The above only details the preferred embodiments of the utility model, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the utility model, and all the changes shall be included in the protection scope of the utility model.

Claims

1. A formwork support apparatus for use in the lifting of a bridge beam launching bed hole, characterised in that: Including support bottom plate (1), channel steel top surface (4) and jacking assembly (6), the support bottom plate (1) adopts rectangular plate structure, multiple jacking assemblies (6) are provided on the support bottom plate (1), multiple jacking assemblies (6) are arranged linearly along the symmetry axis of the support bottom plate (1), the channel steel top surface (4) adopts " " shaped structure, the top of the jacking assembly (6) is connected with the inner bottom surface of the channel steel top surface (4).

2. The formwork support device for the lifting hole of a bridge beam bench according to claim 1, characterized in that: The jacking assembly (6) includes a steel pipe sleeve (7), a jacking screw (10) and an adjusting nut (12), the steel pipe sleeve (7) adopts a cylindrical structure with an open top, the steel pipe sleeve (7) is arranged on the support bottom plate (1), the jacking screw (10) is arranged in the steel pipe sleeve (7) with the bottom extending into the steel pipe sleeve (7), and the adjusting nut (12) is threadedly connected to the jacking screw (10).

3. The formwork support device for lifting holes of a bridge beam bench according to claim 2, characterized in that: The steel pipe sleeve (7) is provided with positioning plates (8) on both sides of the bottom, the support bottom plate (1) is provided with a plurality of positioning threaded holes (3) on both sides along the symmetry axis, the positioning threaded holes (3) are arranged in position matching with the positioning plates (8), and the positioning plates (8) are connected with the positioning threaded holes (3) through bolts.

4. The formwork support device for lifting holes of a bridge beam bench according to claim 2, characterized in that: The support bottom plate (1) is provided with a limiting rail (2), the limiting rail (2) is arranged along the symmetry axis of the support bottom plate (1), the bottom of the steel pipe sleeve (7) is provided with a limiting sliding groove (9), the limiting sliding groove (9) is arranged in matching with the limiting rail (2), and the limiting sliding groove (9) is arranged along the diameter of the bottom of the steel pipe sleeve (7).

5. The formwork support device for lifting holes of a bridge beam bench according to claim 2, characterized in that: The jacking screw (10) is fixedly provided with a displacement square plate (11) at the top, the displacement square plate (11) adopts a square plate, the inner bottom surface of the channel steel top surface (4) is provided with a straight plate sliding groove (5), the straight plate sliding groove (5) is arranged in matching with the displacement square plate (11), and the displacement square plate (11) is slidably arranged in the straight plate sliding groove (5).

6. The formwork support device for lifting holes of a bridge beam bench according to claim 1, characterized in that: The channel steel top surface (4) is provided with a level (13) on the side.

7. The formwork support device for lifting holes of a bridge beam bench according to claim 1, characterized in that: The side of the channel steel top surface (4) is provided with a placing box (14), and the placing box (14) is provided with a laser range finder (15) therein.

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